Patent Publication Number: US-11391444-B2

Title: Mounting base of lamp, lighting assembly and lamp

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     This application is based upon and claims the priority of PCT patent application No. PCT/CN2019/107114 filed on Sep. 20, 2019 which claims priority to three Chinese patent applications No. 201821542998.8, No. 201821542969.1 and 201821543000.6, all filed on Sep. 20, 2018, the entire contents of all of which are hereby incorporated by reference for all purposes. 
     TECHNICAL FIELD 
     The present disclosure relates to the technical field of lighting devices, and in particular, relates to a mounting base of a lamp, a lighting assembly, and a lamp. 
     BACKGROUND 
     Lamps, as lighting devices, have been widely used in people&#39;s daily life and work. With continuous improvement of the quality of life, people put forward higher requirements for the structure, performance, appearance, and the like of lamps, which may bring enormous challenges for lamp design. 
     A traditional lamp is usually structured in the form of a single body, and the lighting intensity is relatively limited, which cannot satisfy user demand for lighting, especially the demand for lighting in large space. 
     SUMMARY 
     The present disclosure discloses a mounting base of a lamp, a lighting assembly, and a lamp. 
     In a first aspect of the present disclosure, a mounting base of a lamp is provided. The mounting base of the lamp includes: at least one mounting portion and a plurality of first electrical terminals fixed on the mounting portion, where the mounting base is configured to detachably connect with a plurality of lighting assemblies. The plurality of first electrical terminals on each mounting portion are configured to be in plug-in fit with a plurality of second electrical terminals of the plurality of lighting assemblies in one-to-one correspondence. The plurality of first electrical terminals are configured to supply power to the plurality of lighting assemblies when plugged in with the plurality of second electrical terminals. 
     In a second aspect of the present disclosure, a lamp is provided. The lamp includes: a mounting base and a lighting assembly, wherein a plurality of lighting assemblies are provided, each of the plurality of lighting assemblies is configured to be detachably mounted on the mounting base, the mounting base comprises a mounting portion, and a plurality of first electrical terminals and a top cover fixed on the mounting portion, the mounting portion is provided in a strip-shaped structure, and the top cover is disposed at top of the mounting portion; the lighting assembly comprises a base, a light-emitting device, and an optical device, the light-emitting device and the optical device are both mounted on the base, and the base is mounted on the mounting base; and the light-emitting device comprises a second electrical terminal, and the plurality of first electrical terminals are in plug-in fit with a plurality of second electrical terminals of the lighting assemblies in one-to-one correspondence. The plurality of first electrical terminals are configured to supply power to the plurality of lighting assemblies when plugged in with the plurality of second electrical terminals. 
     In a third aspect of the present disclosure, a lamp is provided. The lamp includes: a mounting base and a lighting assembly, wherein a plurality of lighting assemblies are provided, each of the plurality of lighting assemblies is mounted on the mounting base and electrically connected to the mounting base, the mounting base comprises at least two mounting portions and a mounting bracket, the mounting portions are spaced apart from each other at a preset interval, and the mounting bracket connects at least two mounting portions; and the lighting assembly comprises a base, a light-emitting device, and an optical device, the light-emitting device and the optical device are both mounted on the base, and the base is mounted on the mounting base. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       The accompanying drawings described herein are used to provide a further understanding of the present disclosure and form a part of the present disclosure. The schematic examples and descriptions of the present disclosure are used to explain the present disclosure and do not constitute an improper limitation on the present disclosure. In the drawings: 
         FIG. 1  is a schematic structural diagram of a lamp provided by an example of the present disclosure; 
         FIG. 2  is a front view of a structure illustrated in  FIG. 1 ; 
         FIG. 3  is a cross-sectional view of a structure illustrated in  FIG. 2 ; 
         FIG. 4  is an exploded view of a lighting assembly in a lamp provided by an example of the present disclosure; 
         FIG. 5  is a schematic structural diagram of a lighting assembly in a lamp provided by an example of the present disclosure; 
         FIG. 6  is a front view of a structure illustrated in  FIG. 5 ; 
         FIG. 7  is a cross-sectional view of a structure illustrated in  FIG. 6 ; 
         FIG. 8  is a schematic diagram of a partial structure of a lamp provided by an example of the present disclosure; 
         FIG. 9  is a schematic structural diagram of a structure illustrated in  FIG. 8  from another perspective; 
         FIG. 10  is a front view of the structure illustrated in  FIG. 8 ; 
         FIG. 11  is a cross-sectional view of a structure illustrated in  FIG. 10 ; 
         FIG. 12  is an exploded view of the structure illustrated in  FIG. 8 ; 
         FIG. 13  is a schematic diagram of another partial structure of a lamp provided by an example of the present disclosure; 
         FIG. 14  is an exploded view of a structure illustrated in  FIG. 13 ; 
         FIG. 15  is a schematic structural diagram of a top cover in a lamp provided by an example of the present disclosure; 
         FIG. 16  is a top view of a structure illustrated in  FIG. 15 ; 
         FIG. 17  is a side view of the structure illustrated in  FIG. 15 ; 
         FIG. 18  is a schematic structural diagram of a mounting bracket in a lamp provided by an example of the present disclosure; 
         FIG. 19  is a front view of a structure illustrated in  FIG. 18 ; 
         FIG. 20  is a top view of the structure illustrated in  FIG. 18 ; and 
         FIG. 21  is a schematic structural diagram of another lamp provided by an example of the present disclosure. 
     
    
    
     DETAILED DESCRIPTION 
     In order to make objectives, technical details of the examples of the present disclosure apparent, the technical solutions of the examples of the present disclosure will be described in a clearly and fully understandable way in connection with the specific examples and related drawings of the present disclosure. Apparently, the described examples are just part but not all of the examples of the present disclosure. Based on the described examples of the present disclosure herein, those skilled in the art can obtain other example(s), without any inventive work, which should be within the scope of the present disclosure. 
     It shall be understood that, although the terms “first,” “second,” “third,” and the like may be used herein to describe various information, the information should not be limited by these terms. These terms are only used to distinguish one category of information from another. For example, without departing from the scope of the present disclosure, first information may be termed as second information; and similarly, second information may also be termed as first information. As used herein, the term “if” may be understood to mean “when” or “upon” or “in response to” depending on the context. 
     DESCRIPTION OF REFERENCE NUMERALS IN THE DRAWINGS 
       100 —mounting base;  110 —mounting portion;  111 —snap-fit protrusion;  112 —mounting hole;  113 —limiting groove;  114 —top cover mounting portion;  114   a —fastening hole;  115 —matching protrusion;  116 —glue identification portion;  120 —top cover;  121 —top plate;  122 —bottom plate;  122   a —notch,  123 —bending plate;  130 —bottom cover;  131 —cover body;  132 —matching protrusion;  140 —mounting bracket;  141 —main body plate;  141   a —wire passing hole;  142 —mounting plate;  142   a —first bracket mounting hole;  142   b —second bracket mounting hole;  143 —mounting groove;  144 —separation groove;  150 —first electrical terminal;  151 —main body;  152 —clamping portion;  153 —second sealing component accommodation groove;  154 —annular flange;  161 —terminal sealing component;  162 —mounting portion sealing component;  171 —first fastening component;  172 —second fastening component;  181 —inlet wire;  182 —outlet wire;  190 —circuit board; 
       200 —lighting assembly;  210 —base;  211 —base body;  212 —first elastic sheet;  213 —second elastic sheet;  214 —connecting portion;  214   a —first connecting plate;  214   b —second connecting plate;  215 —snap-fit portion;  216 —first snap-fit protrusion;  217 —annular locating groove;  218 —radiating fin;  219 —annular protrusion;  219   a —terminal accommodation hole;  220 —light-emitting device;  221 —light source plate;  222 —light-emitting unit;  223 —second electrical terminal;  230 —optical device;  231 —reflector;  232 —diffusion casing;  232   a —top;  232   aa —first sealing component accommodation groove;  232   b —second snap-fit protrusion;  232   c —snap-fit depression;  232   d —locating flange;  233 —light transmitting glass;  234 —diffusion casing sealing component;  240 —surface cover;  241 —opening;  242 —third snap-fit protrusion; and  260 —third fastening component. 
     The technical solutions disclosed by the respective examples of the present disclosure are described in detail below in conjunction with the accompanying drawings. 
     As illustrated in  FIG. 1 , an example of the present disclosure discloses a lamp, and the lamp can be used as a wall-wash lamp, a strip lamp, etc. The lamp includes a mounting base  100  and a lighting assembly  200 . The lamp may have a plurality of light assemblies  200  which are detachably mounted on the mounting base  100  and arranged in an array. Moreover, when the lighting assembly  200  is mounted on the mounting base  100 , the lighting assembly  200  and the mounting base  100  are electrically connected. The mounting base  100  may include at least one mounting portion  110 . The lighting assembly  200  is specifically mounted on the mounting portion  110 . Further, at least two mounting portions  110  are provided and spaced apart from each other at a preset interval, so as to allow more lighting assemblies  200  to be mounted. The preset interval may be flexibly determined depending on factors such as practical installation space. The mounting portion  110  may have a plate-like structure, and certainly may have any other suitable structure as long as the installation of the lighting assembly  200  can be achieved. 
     As illustrated in  FIG. 8  to  FIG. 12 , in addition to the mounting portion  110 , the mounting base  100  further includes a plurality of first electrical terminals  150  fixed on the mounting portion  110 . As illustrated in  FIG. 2  to  FIG. 7 , the lighting assembly  200  described above may specifically include a base  210 , a light-emitting device  220 , and an optical device  230 . The light-emitting device  220  and the optical device  230  are both mounted on the base  210 . The base  210  is detachably mounted on the mounting base  100 . After power on, the light-emitting device  220  can emit light, and the optical device  230  can change parameters such as the direction and intensity of the light emitted by the light-emitting device  220  based on the principles of reflection, refraction, etc. of light, which may provide satisfactory luminous effect of the entire lamp against the user demand. The light-emitting device  220  may include a second electrical terminal  223 . The plurality of first electrical terminals  150  on each mounting portion  110  are in plug-in fit with second electrical terminals  223  of a plurality of lighting assemblies  200  in one-to-one correspondence, so as to supply power to the lighting assemblies  200 . 
     In the lamp provided by the examples of the present disclosure, the plurality of lighting assemblies  200  are provided, and the mounting base  100  may be in detachable connection with the plurality of lighting assemblies  200 . Thus, the effect of enhancing the luminous intensity of the lamp can be achieved by increasing the number of the lighting assemblies  200 , thereby satisfying the user demand on lighting, especially the user demand on lighting in a large space. Moreover, the mounting base  100  is in detachable connection with each lighting assembly  200  and supplies power to the lighting assembly  200  by means of plug-in connection between the first electrical terminal  150  and the second electrical terminal  223 . As such, different lighting assemblies  200  can be flexibly selected and combined in accordance with different lighting requirements, so as to better meet the user demand on lighting. In addition, the plug-in connection between the first electrical terminal  150  and the second electrical terminal  223  may contribute to positioning to a certain extent, so that the mounting base  100  and the lighting assembly  200  of the lamp can be installed more rapidly. 
     In this example of the present disclosure, the mounting portion  110  may be provided in a strip-shaped structure. The plurality of first electrical terminals  150  are sequentially mounted in the extending direction of the mounting portion  110 , so as to allow the plurality of lighting assemblies  200  to be mounted. With the strip-shaped structure, the extending direction of the mounting portion  110  is identical to the length direction of the mounting portion  110 . The mounting portion  110  may have a plurality of positions for mounting the lighting assemblies  200 , and these positions may be distributed uniformly, so that the plurality of lighting assemblies  200  can be uniformly mounted on the mounting portion  110 . As such, the plurality of lighting assemblies  200  mounted on the same mounting portion  110  may have an identical installation height, thus enhancing the luminous effect of the lamp on one hand and providing more aesthetically pleasing appearance on the other hand. In addition, with such a structure, the length of the mounting portion  110  may be chosen flexibly in accordance with actual user demand, so as to allow different number of lighting assemblies  200  to be mounted, and therefore, the lamp has better scalability. 
     The mounting portion  110  and the lighting assembly  200  may be installed together by means of bolted-on connection, riveting, clamped connection, etc. To guarantee the installation reliability of the lighting assembly  200  on the mounting portion  110  and further to facilitate the mounting manipulation, clamped connection is preferred between the lighting assembly  200  and the mounting portion  110  in this example of the present disclosure. 
     Further, the structure for realizing the clamped connection between the lighting assembly  200  and the mounting portion  110  may be in numerous forms. For example, a snap-fit column may be provided on the lighting assembly  200 , while a snap-fit hole is provided in the mounting portion  110 , and the clamped connection between the lighting assembly  200  and the mounting portion  110  can be achieved by means of fitting between the snap-fit column and the snap-fit hole. In this example of the present disclosure, as illustrated in  FIG. 8  to  FIG. 12 , snap-fit protrusions  111  are provided on two opposite outer sides of the mounting portion  110 , and the lighting assembly  200  is clamped on the snap-fit protrusions  111 . Compared with holes, the snap-fit protrusions  111  provided on the side surfaces of the mounting portion  110  may lead to enhanced structural strength of the mounting portion  110 , so that the mounting portion  110  is not prone to deformation and thus would not have adverse influence on the appearance, luminous effect, etc. of the lamp. 
     Alternatively, a plurality of snap-fit protrusions  111  may be provided on the side surface of the mounting portion  110 , the snap-fit protrusions  111  are arranged in the extending direction of the mounting portion  110 , and each lighting assembly  200  is in snap fit with the corresponding snap-fit protrusion  111 . Certainly, the snap-fit protrusion  111  may be provided in a strip-shaped structure as well. That is, the snap-fit protrusion  111  extends in the extending direction of the mounting portion  110 , and the plurality of lighting assemblies  200  mounted on the same mounting portion  110  are all in snap fit with the same snap-fit protrusion  111 . Since the snap-fit protrusions  111  of a single mounting portion  110  are at the same height throughout, the plurality of lighting assemblies  200  mounted on the mounting portion  110  can be retained at the identical height more reliably, thereby improving the appearance and the luminous effect of the lamp. 
     The base  210  of the lighting assembly  200  may include a base body  211 , and a first elastic sheet  212  and a second elastic sheet  213  that are mounted on the base body  211 . The light-emitting device  220  and the optical device  230  are both mounted on the base body  211 . The first elastic sheet  212  and the second elastic sheet  213  are arranged opposite and clamped on the snap-fit protrusions  111  on two opposite outer sides of the mounting portion  110 , respectively. The first elastic sheet  212  and the second elastic sheet  213  both have a certain degree of elasticity and may undergo elastic deformation when being acted upon by an external force, thus giving rise to a trend of deformation recovery in which an acting force on the mounting portion  110  may be caused. 
     Specifically, when the lighting assembly  200  is assembled, the first elastic sheet  212  and the second elastic sheet  213  are first brought into contact with the mounting portion  110 , and then an external force is applied on the lighting assembly  200 , which causes the first elastic sheet  212  and the second elastic sheet  213  to deform under the force and thus slide relative to the mounting portion  110  until the first elastic sheet  212  and the second elastic sheet  213  are clamped with the snap-fit protrusions  111 . In this case, an interaction force may be caused between the mounting portion  110  and each of the first elastic sheet  212  and the second elastic sheet  213 , thereby preventing the lighting assembly  200  from being disengaged from the mounting portion  110 . Such a clamped connection structure is relatively simple, and the assembling manipulation of the lighting assembly  200  and the mounting portion  110  can be simplified. 
     As illustrated in  FIG. 7 , in an alternative example, each of the first elastic sheet  212  and the second elastic sheet  213  includes a connecting portion  214  and a snap-fit portion  215 . The snap-fit portion  215  is connected to the base body  211  by means of the connecting portion  214  and is clamped with the snap-fit protrusion  111 . The snap-fit portion  215  of the first elastic sheet  212  and the snap-fit portion  215  of the second elastic sheet  213  are bent towards each other. That is, the snap-fit portion  215  of the first elastic sheet  212  is bent towards the direction close to the second elastic sheet  213 , and the snap-fit portion  215  of the second elastic sheet  213  is bent towards the direction close to the first elastic sheet  212 . With the bent structure as described herein, the snap-fit portion  215  of the first elastic sheet  212  and the snap-fit portion  215  of the second elastic sheet  213  both have a protruding structure, and the protruding structure can be in better snap fit with the snap-fit protrusions  111 , thus improving the reliability of the clamped connection. 
     In a specific example, for a single lighting assembly  200 , only one of the first elastic sheet  212  and the second elastic sheet  213  is provided. However, considering that such a structure design may easily lead to inadequate strength of connection between the lighting assembly  200  and the mounting portion  110 , a plurality of first elastic sheets  212  or a plurality of second elastic sheets  213  may be arranged in the extending direction of the mounting portion  110  in a single lighting assembly  200 , or a plurality of first elastic sheets  212  and a plurality of second elastic sheets  213  may be arranged in the extending direction of the mounting portion  110  in a single lighting assembly  200 . With increasing number of the first elastic sheets  212  and the second elastic sheets  213 , the connection points between the lighting assembly  200  and the mounting portion  110  may increase, thereby providing enhanced connection strength between the lighting assembly  200  and the mounting portion  110 . 
     As illustrated in  FIG. 4 , the connecting portion  214  may specifically include a first connecting plate  214   a  and a second connecting plate  214   b . The first connecting plate  214   a  and the second connecting plate  214   b  are connected into an L-shaped structure. The first connecting plate  214   a  fits and is in fixed connection with the base body  211 , the first connecting plate  214   a  and the base body  211  may specifically be fixedly connected by a third fastening component  260 , and the third fastening component  260  may be a screw. The second connecting plate  214   b  is connected to the snap-fit portion  215 . Due to a large contact area between the first connecting plate  214   a  and the base body  211 , fixed connection of the first connecting plate  214   a  and the base body  211  may result in high connection strength, which may allow the lighting assembly  200  to have higher structural strength. 
     As illustrated in  FIG. 4  and  FIG. 7 , in this example of the present disclosure, the lighting assembly  200  may further include a surface cover  240 . The optical device  230  specifically includes a reflector  231  and a diffusion casing  232  housing the reflector  231 . The reflector  231  is disposed on a light-emitting side of the light-emitting device  220 , and thus light emitted by the light-emitting device  220  is reflected by the reflector  231 , so that the light can be concentrated to shine out, thereby improving the utilization of the light. The diffusion casing  232  is in fixed connection with the base  210  and has a top  232   a  arranged opposite to the light-emitting device  220 . That is, the diffusion casing  232  has a semi-enclosed structure and may be fixed to the base  210  to form an enclosed cavity. At least a part of the light-emitting device  220  and the reflector  231  are located in the enclosed cavity. The light emitted by the light-emitting device  220  may shine on the diffusion casing  232  after being reflected by the reflector  231 . The diffusion casing  232  may further adjust the direction of the light, which may allow the light to shine out more uniformly through the diffusion casing  232 . The surface cover  240  is fastened around the diffusion casing  232  and mainly serves as an exterior component of the lighting assembly  200 , so as to protect the components such as the diffusion casing  232 , the reflector  231 , and the light-emitting device  220  and meet the user demand on the appearance of the lamp. 
     In a further example, the optical device  230  may further include a light transmitting glass  233 . The surface cover  240  has an opening  241  at the top. The light transmitting glass  233  is disposed at the opening  241  and covers the top  232   a  of the diffusion casing  232 . In this case, the surface cover  240  and the light transmitting glass  233  may both serve as exterior components of the lighting assembly  200 . The surface cover  240  mainly serves to protect the components, the light transmitting glass  233  may provide more aesthetically pleasing appearance, and therefore, such a structure may meet the requirements for both of the structural strength and appearance of the lamp. 
     It should be noted that, the light transmitting glass  233  may be optical glass or treated glass, such as sand-blasted glass and silk-screen glass. In particular, the structural form of the light transmitting glass  233  may be flexibly chosen in accordance with different user requirements, and the examples of the present disclosure are not limited in this aspect. 
     In actual use, a lamp may be used in an environment with high humidity or an environment with the possibility of exposure to water, and therefore, the water-proof performance of the lamp becomes one of key factors determining the service life of the lamp. For example, the lamp is used outdoors, and in this case, the lamp is specifically an outdoor lamp. On this basis, the optical device  230  may further include a diffusion casing sealing component  234 , and the diffusion casing sealing component  234  is hermetically disposed between the top  232   a  of the diffusion casing  232  and the light transmitting glass  233 . The diffusion casing sealing component  234  may be a sealing ring having a circular cross section, a semicircular cross section, or a cross section in any other suitable shape, which can prevent the liquid such as water from entering the lighting assembly  200  through the gap between the diffusion casing  232  and the light transmitting glass  233 , thus achieving the purpose of improving the water-proof performance of the lamp. 
     For the convenience of mounting of the diffusion casing sealing component  234 , a first sealing component accommodation groove  232   aa  may be provided at the top  232   a  of the diffusion casing  232 . The diffusion casing sealing component  234  is located in the first sealing component accommodation groove  232   aa . The first sealing component accommodation groove  232   aa  may be an annular groove, which may be provided at the edge of the top  232   a  to obtain a large space size, thereby facilitating being provided with a larger diffusion casing sealing component  234  and better sealing effect between the diffusion casing  232  and the light transmitting glass  233 . When the lamp is assembled, the diffusion casing sealing component  234  is placed in the first sealing component accommodation groove  232   aa , and then the diffusion casing  232  and the light transmitting glass  233  are installed together, so that the diffusion casing sealing component  234  is pressed to be in good fit with the diffusion casing  232  and the light transmitting glass  233 . 
     Referring to  FIG. 7 , for the convenience of mounting, a first snap-fit protrusion  216  protruding towards the diffusion casing  232  may be provided on the base  210 , a second snap-fit protrusion  232   b  may be provided on an inner surface of the diffusion casing  232 , and the first snap-fit protrusion  216  is in snap fit with the second snap-fit protrusion  232   b . Specifically, the first snap-fit protrusion  216  may be provided with a groove or a through hole. The second snap-fit protrusion  232   b  is in snap fit with the groove or the through hole. There may be a plurality of first snap-fit protrusions  216  that are arranged along the edge of the base  210 . Correspondingly, there may be a plurality of second snap-fit protrusions  232   b  that are arranged in the circumferential direction of the diffusion casing  232 . The plurality of first snap-fit protrusions  216  are clamped with the second snap-fit protrusions  232   b  in one-to-one correspondence, thereby improving the installation reliability between the base  210  and the diffusion casing  232 . 
     Similarly, a third snap-fit protrusion is provided on one of an outer surface of the diffusion casing  232  and an inner surface of the surface cover  240 , while a snap-fit depression is provided on the other of the outer surface of the diffusion casing  232  and the inner surface of the surface cover  240 , and the third snap-fit protrusion is in snap fit with the snap-fit depression. There may be a plurality of snap-fit protrusions and a plurality of snap-fit depressions, so as to improve the snap-fit effect. As illustrated in  FIG. 4  and  FIG. 7 , in a specific example, the snap-fit depression  232   c  may be provided on the outer surface of the diffusion casing  232 , while the third snap-fit protrusion  242  may be provided on the inner surface of the surface cover  240 . Each of the outer surface of the diffusion casing  232  and the inner surface of the surface cover  240  may include a plurality of lateral surfaces sequentially connected to each other. One or more snap-fit depressions  232   c  may be provided on each lateral surface of the diffusion casing  232 , and one or more third snap-fit protrusions  242  may be provided on each lateral surface of the surface cover  240 . To guarantee the reliability of the clamped connection and control the manufacturing cost of the lamp, a plurality of snap-fit depressions  232   c  may be provided on a part of the lateral surfaces of the diffusion casing  232 . 
     For the convenience of assembling the base  210  and the diffusion casing  232 , an annular locating groove  217  may be provided on the base  210 . The bottom edge of the diffusion casing  232  is located in the annular locating groove  217 , a locating flange  232   d  is provided on the outer surface of the diffusion casing  232 , and the locating flange  232   d  is in locating fit with the top edge of the base  210 . In specific manipulation, since the annular locating groove  217  is easily visible, the bottom edge of the diffusion casing  232  can be aligned to the annular locating groove  217  and located in the annular locating groove  217 , and then the diffusion casing  232  is continuously moved, so that the locating flange  232   d  of the diffusion casing  232  is in location fit with the top edge of the base  210 , thereby realizing pre-locating of the base  210  and the diffusion casing  232 . Then, the base  210  and the diffusion casing  232  are in precise snap fit. Certainly, such a structure may also assist in limiting the relative positions of the base  210  and the diffusion casing  232 , thus sharing the acting forces on the respective snap-fit structures and prolonging the service life of the snap-fit structures. 
     In this example of the present disclosure, a plurality of radiating fins  218  spaced apart from each other may be disposed on the outer surface of the base  210 . These radiating fins  218  may assist in dissipating the heat generated during the operation of the lamp. Certainly, these radiating fins  218  may also further optimize the appearance of the lamp. 
     It should be noted that when the base  210  includes the base body  211 , the first snap-fit protrusion  216 , the annular locating groove  217  and the radiating fin  218  may be all provided on the base body  211 . 
     The lighting assembly  200  provided by this example of the present disclosure may have an overall irregular or regular structure. In case of the regular structure, the lamp can be manufactured more conveniently. For example, the lighting assembly  200  may have a triangular structure, a square structure, a diamond-shaped structure, a circular structure, an oval-shaped structure, or the like, that is, when viewed from the top or the bottom, the lamp is triangular, square, diamond-shaped, circular, oval-shaped, etc. Relatively speaking, when the lighting assembly  200  is provided in a triangular structure, a square structure, or a diamond-shaped structure, the gap between the adjacent lighting assemblies  200  can be reduced as much as possible by optimizing the arrangement of the plurality of lighting assemblies  200 , thus improving the space utilization of the entire lamp. 
     The light-emitting device  220  is one of core devices for realizing the light-emitting function in the lamp. As illustrated in  FIG. 4  and  FIG. 7 , in this example of the present disclosure, in addition to the second electrical terminal  223 , the light-emitting device  220  may further include a light source plate  221  and a plurality of light-emitting units  222  disposed on the light source plate  221 . The second electrical terminal  223  is mounted on the light source plate  221  and electrically connected to the plurality of light-emitting units  222 . The energy that the light-emitting device  220  needs may be provided from the first electrical terminal  150  to reach each light-emitting unit  222  sequentially through the second electrical terminal  223  and the light source plate  221 , so as to enable each light-emitting unit  222  to emit light. Such a light-emitting device  220  has the advantage of compact structure, and when the lighting assembly  200  is mounted on the mounting base  100 , the second electrical terminal  223  and the first electrical terminal  150  are plugged into each other, so as to realize assembling and electrical connection between the second electrical terminal  223  and the first electrical terminal  150 , thereby providing convenient manipulation and high assembling efficiency. 
     As illustrated in  FIG. 11  and  FIG. 12 , when the mounting portion  110  is provided in a strip-shaped structure, the mounting portion  110  may have a plurality of mounting holes  112  sequentially arranged in the extending direction of the mounting portion  110 . The first electrical terminal  150  is mounted in the mounting hole  112 . When the first electrical terminal  150  is mounted, the first electrical terminal  150  passes through the mounting hole  112  with one part trapped within the mounting portion  110  and the other part sticking out relative to the mounting portion  110  to be in plug-in fit with the second electrical terminal  223 . With such a solution, the structure of the mounting portion  110  is simplified, so that the first electrical terminal  150  can be mounted on the mounting portion  110  more simply and rapidly. 
     In an alternative example, for the convenience of allowing the first electrical terminal  150  to be mounted on the mounting portion  110 , the first electrical terminal  150  may include a main body  151  and a clamping portion  152  provided on the main body  151 . The main body  151  is in plug-in fit with the second electrical terminal  223 , and the clamping portion  152  is clamped at the mounting hole  112 . The main body  151  is approximately column-shaped. The clamping portion  152  may be structured as a clamped claw, which may undergo deformation when being acted upon by a force. When the first electrical terminal  150  is mounted, an acting force may be applied to the main body  151 , causing the clamping portion  152  to stick into the mounting hole  112 . In this case, the clamping portion  152  is deformed after being restricted by the wall of the mounting hole  112 . When the clamping portion  152  passes through the mounting hole  112 , the restriction of the wall of the mounting hole  112  on the clamping portion  152  is lifted, allowing the clamping portion  152  to recover deformation and thus come into contact with one side, far away from the base  210 , of the mounting portion  110 . Thus, the first electrical terminal  150  cannot be disengaged from the mounting hole  112 . 
     To further improve the waterproofness of the lamp, the lighting assembly  200  or the mounting base  100  may further include a terminal sealing component. The terminal sealing component may be a sealing ring having an O-shaped cross section, a square cross section, or a cross section in any other suitable shape. When the second electrical terminal  223  is positioned around the first electrical terminal  150 , the terminal sealing component, as a part of the light-emitting device  220 , is hermetically disposed between the second electrical terminal  223  and the base  210  (in particular, the base body  211 ). When the first electrical terminal  150  is positioned around the second electrical terminal  223 , the terminal sealing component  161 , as a part of the mounting base  100 , is hermetically disposed between the first electrical terminal  150  and the base  210  (in particular, the base body  211 ). 
     Alternatively, a second sealing component accommodation groove is provided at the periphery of the second electrical terminal  223  or the periphery of the first electrical terminal  150 , and the terminal sealing component is located in the second sealing component accommodation groove, thereby facilitating mounting of the terminal sealing component. In this example of the present disclosure, the first electrical terminal  150  is positioned around the second electrical terminal  223 , and the second sealing component accommodation groove  153  is provided at the periphery of the first electrical terminal  150 . The terminal sealing component  161  is located in the second sealing component accommodation groove  153  to be hermetically provided between the first electrical terminal  150  and the base  210 . 
     In a further example, as illustrated in  FIG. 7 , in addition to the base body  211  as described above, the base  210  may further include an annular protrusion  219 . The annular protrusion  219  sticks out relative to the base body  211 , and the base body  211  surrounds the annular protrusion  219 . A terminal accommodation hole  219   a  is provided in the annular protrusion  219 , and the second electrical terminal  223  and the first electrical terminal  150  are both located in the terminal accommodation hole  219   a . The terminal sealing component as described above is hermetically disposed between the second electrical terminal  223  and the wall of the terminal accommodation hole  219   a  or between the first electrical terminal  150  and the wall of the terminal accommodation hole  219   a . Since the annular protrusion  219  sticks out relative to the base body  211 , the terminal accommodation hole  219   a  has a large size in the axial direction thereof with increased area of the wall thereof, so that a larger sealing area can be formed between the terminal sealing component and the wall of the terminal accommodation hole  219   a , thereby optimizing the water-proof performance of the lamp. 
     As illustrated in  FIG. 11 , in this example of the present disclosure, to further improve the water-proof performance of the lamp, the mounting base  100  may further include a mounting portion sealing component  162 , and the mounting portion sealing component  162  is hermetically disposed between the mounting portion  110  and the first electrical terminal  150 . The mounting portion sealing component  162  may be a sealing ring having an O-shaped cross section, a square cross section, or the like. 
     In addition to the main body  151  as described above, the first electrical terminal  150  may further include the annular flange  154  provided on the main body  151 . The mounting portion sealing component  162  is hermetically disposed between the annular flange  154  and the mounting portion  110 . In this case, the annular flange  154  is disposed opposite to the surface, facing the base  210 , of the mounting portion  110 . After the lighting assembly  200  is mounted on the mounting base  100 , the mounting portion sealing component  162  is clamped by the annular flange  154  and the mounting portion  110 , and the annular flange  154  and the mounting portion  110  apply a high positive pressure on the mounting portion sealing component  162 , resulting in higher sealing performance between the first electrical terminal  150  and the mounting portion  110 . 
     In addition to the mounting portion  110  as described above, the mounting base  100  may further include a top cover  120 , and the top cover  120  is disposed at an end of the mounting portion  110 . The mounting portion  110  may have a hollow structure, thus achieving lightweight lamp design. The top cover  120  may seal at least a part of the end of the mounting portion  110 , so that the inner space of the mounting portion  110  is exposed as little as possible, thus guaranteeing the appearance quality of the lamp. 
     As illustrated in  FIG. 8  to  FIG. 17 , in an alternative example, the top cover  120  may include a top plate  121  and a bottom plate  122 . The top plate  121  and the bottom plate  122  are connected to form an L-shaped structure. The top plate  121  is fixed to the mounting portion  110 . Specifically, the top plate  121  may be fixedly connected to the mounting portion  110  by means of a first fastening component  171 . The mounting portion  110  has a limiting groove  113 . The bottom plate  122  may extend into the limiting groove  113  and be in limiting fit with the limiting groove  113 , so that the movement of top cover  120  in the axial direction of the mounting hole  112  of the mounting portion  110  is restricted. With such a structure, the top cover  120  may be inserted in the mounting portion  110  from the top end of the mounting portion  110 , and thus the mounting manipulation of the top cover  120  is simplified. 
     The sidewall of the mounting portion  110  is designed with a thickness, so that the top cover  120  can be fixed to the sidewall of the mounting portion  110 . However, this method may lead to a large sidewall thickness of the mounting portion  110 , which may be adverse to lightweight lamp design. In view of this, the mounting portion  110  may be provided with a top cover mounting portion  114  inside. The top cover mounting portion  114  is provided with a fastening hole  114   a , and the first fastening component  171  for fixing the top plate  121  is in fastening fit with the fastening hole  114   a . The fastening hole  114   a  may be a threaded hole, and the first fastening component  171  is screwed in the fastening hole  114   a , so that the first fastening component  171  and the fastening hole  114   a  are in screw-thread fit with each other. The fastening hole  114   a  may also be an unthreaded hole, and thread is tapped during the process of screwing the first fastening component  171  in the fastening hole  114   a , thus realizing screw-thread fit between the first fastening component  171  and the fastening hole  114   a . In addition, the fastening hole  114   a  may have a notch, so as to facilitate machining of the fastening hole  114   a . Further, top cover mounting portions  114  may be disposed on two opposite sides of the mounting portion  110 , so as to allow the top cover  120  to be more securely fixed. 
     In this example of the present disclosure, in order to drive the lamp to emit light, the connecting wire for electrical connection is required. The connecting wire for electrical connection may specifically include an inlet wire  181  and an outlet wire  182 . To limit the position of the connecting wire for electrical connection, the bottom plate  122  may be provided with a notch  122   a , and the notch  122   a  allows the connecting wire for electrical connection to pass through. Specifically, there may be two top covers  120  that are mounted at two ends of the mounting portion  110 , respectively. Thus, the inlet wire  181  may go through the notch  122   a  of one top cover  120 , while the outlet wire  182  may go through the notch  122   a  of the other top cover  120 . Under the restriction of the notch  122   a , the inlet wire  181  and the outlet wire  182  are not prone to changing in position when being acted upon by a pulling force, thus preventing the inlet wire  181  and the outlet wire  182  from being pulled. 
     The bottom plate  122  of the top cover  120  may have a flat-plate structure with one end connected to the top plate  121  and the other end serving as a free end. In another example, the top cover  120  further includes a bending plate  123 . The bending plate  123  and the top plate  121  are connected to two opposite sides of the bottom plate  122 , respectively. The bending plate  123  is bent towards the direction away from the light-emitting device  220  and is in sliding fit with the inner wall of the mounting portion  110 . When the top cover  120  is inserted in the mounting portion  110 , the bending plate  123  is slid relative to the mounting portion  110 , thus guiding the movement of the top cover  120  and facilitating the mounting of the top cover  120 . 
     As illustrated in  FIG. 11  and  FIG. 12 , it should be noted that the mounting base  100  further includes a circuit board  190 . The connecting wire for electrical connection as described above is electrically connected to the circuit board  190 . The circuit board  190  is electrically connected to the light-emitting device  220  (in particular, electrically connected to the second electrical terminal  223  through the first electrical terminal  150 ). The mounting base  100  further includes a bottom cover  130 , and the bottom cover  130  is fixed to the mounting portion  110  to form an accommodation cavity. The circuit board  190  is embedded in the accommodation cavity. Since the circuit board  190  is encapsulated in the mounting portion  110  through embedment, on the one hand, the circuit board  190  can be enveloped reliably and protected against impurities such as liquid, thus allowing the circuit board  190  to operate reliably, and on the other hand, the mounting of the circuit board  190  can be simplified. 
     In a further example, the bottom cover  130  may include a cover body  131  and a matching protrusion  132  provided on the cover body  131 . The cover body  131  may have a flat-plate structure. The matching protrusion  132  may be structured in the form of a plurality of discrete blocks, and extend in a direction consistent with the extending direction of the mounting portion  110 . A matching groove is formed between the edge of the cover body  131  and the matching protrusion  132 . The mounting portion  110  is provided with a matching protrusion  115  inside, and the matching protrusion  115  is in snap fit with the matching groove. The connection between the bottom cover  130  and the mounting portion  110  can be achieved by means of snap-fit connection between the matching protrusion  115  and the matching groove, so that the manipulation is simple, and the connected structure has high reliability. 
     To simplify the manufacturing procedure of the bottom cover  130 , the matching protrusion  132  may be provided in a strip-shaped structure and extend in a direction parallel to the extending direction of the mounting portion  110 . As such, the matching protrusion  132  may have an integrated structure and thus can be manufactured more conveniently, and the integrated matching protrusion  132  better ensure that a plurality of positions of the matching protrusion  132  are at the same height, thus allowing the bottom cover  130  to be in exact fit with the matching protrusion  132  in different positions, so as to improve the fixed strength of the bottom cover  130  and the matching protrusion  132 . 
     During embedment, it is required to fill the mounting portion  110  with glue. For the convenience of controlling the amount of glue filled by the operator, the mounting portion  110  may be provided with a glue identification portion  116  inside. The glue identification portion  116  may specifically have a strip-shaped protruding structure. When the glue filled reaches the glue identification portion  116 , it indicates that the amount of the glue filled basically meet the requirement. In this case, the operator may determine whether glue filling is continued according to the actual situation. 
     To satisfy higher demand on lighting, there may be a plurality of mounting portions  110  that are arranged side by side, so that a plurality of rows of lighting assemblies  200  can be provided. This involves connection between different mounting portions  110 . For this, as illustrated in  FIG. 1  to  FIG. 3 , in the lamp provided by the example of the present disclosure, the mounting base  100  further includes a mounting bracket  140 , and the mounting bracket  140  connects at least two mounting portions  110 . As such, the mounting portions  110  connected to the same mounting bracket  140  can be retained at the identical height, thereby further improving the appearance and the luminous effect of the lamp. 
     To guarantee the appearance and the luminous effect of the lamp more reliably, the mounting portions  110  may be arranged at an equal distance from each other. 
     In a specific example, the mounting portions  110  may be connected by the mounting brackets  140  in pairs to form a plurality of sets of mounting portions  110 . In this case, since each set of mounting portions  110  has no connection relationship with another set, a difference in height may be caused, which would be adverse to guarantee the appearance and the luminous effect of the lamp. In view of this problem, as illustrated in  FIG. 21 , every two adjacent mounting portions  110  may be connected by the mounting bracket  140 . That is, all the mounting portions  110  are connected by the mounting brackets  140 , so that the mounting portions  110  can be all retained at the identical height and can be at uniform intervals, thereby solving the foregoing problem. 
     As illustrated in  FIG. 18  to  FIG. 20 , the mounting bracket  140  may include a main body plate  141 , and a plurality of mounting plates  142  which are sequentially mounted on the same side of the main body plate  141 . A mounting groove  143  is formed between a part of the adjacent mounting plates  142 , while a separation groove  144  is formed between a part of the adjacent mounting plates  142 , and the mounting groove  143  and the separation groove  144  are arranged alternately. The mounting portion  110  is connected in the mounting groove  143 . Adjacent mounting grooves  143  are spaced apart by the separation groove  144 . This method may leave space for related mounting manipulation, and may further leave space for arrangement of the lighting assemblies  200 . 
     At least a part of the plurality of mounting plates  142  are in snap fit with the mounting portion  110 , so that the mounting portion  110  and the mounting bracket  140  are assembled together. In addition, at least a part of the mounting plates  142  may be fixed to the mounting portion  110  through second fastening components  172 , thereby facilitating assembling and guaranteeing the assembly reliability. Specifically, a part of the mounting plates  142  may be in snap fit with the mounting portion  110 , while the rest may be fixed to the mounting portion  110  through the second fastening components  172 . Alternatively, a part of the mounting plates  142  may be in snap fit with the mounting portion  110  and also fixed to the mounting portion  110  through the second fastening components  172 . To improve the mounting strength and facilitating manipulation, in this example of the present disclosure, the mounting plates  142  clamped with the same side of each mounting portion  110  are preferably fixed to the mounting portion  110  by means of the second fastening components  172 , while the other mounting plates  142  are clamped with the mounting portion  110 . 
     Based on the above examples, one of mounting plates located on the same side of the adjacent mounting grooves  143  is provided with a first bracket mounting hole  142   a , while the other of the mounting plates located on the same side of the adjacent mounting grooves  143  is provided with a second bracket mounting hole  142   b , and a distance between the first bracket mounting hole  142   a  and the main body plate  141  is greater than a distance between the second bracket mounting hole  142   b  and the main body plate  141 . That is, there is a difference in height between the first bracket mounting hole  142   a  and the second bracket mounting hole  142   b , thus preventing interference when the mounting portion  110  is mounted by the operator. 
     It should be noted that the above-mentioned “mounting plates located on the same side of the adjacent mounting grooves  143 ” refer to, among all the mounting plates  142  that form the adjacent mounting grooves  143 , the mounting plates located on the same side of the mounting groove  143 . Taking four mounting plates  142  as illustrated in  FIG. 19  as an example, the four mounting plates  142  are sequentially to be the first mounting plate, the second mounting plate, the third mounting plate, and the fourth mounting plate, the mounting grooves  143  are formed between the first mounting plate and the second mounting plate and between the third mounting plate and the fourth mounting plate, and the separation groove  144  is formed between the second mounting plate and the third mounting plate. In this case, the second mounting plate and the fourth mounting plate are regarded as the “mounting plates located on the same side of the adjacent mounting grooves  143 ” as described above. 
     For facilitating wiring, a wire passing hole  141   a  is provided at a position, corresponding to a bottom of the separation groove  144 , on the main body plate  141 . That is, the wire passing hole  141   a  is communicated with the separation groove  144 . 
     The above examples of the present disclosure focus on the differences between the various examples. As long as the different optimized features between the various examples are not contradictory, they can be combined to form better examples. Considering the simplicity of the text, no more repeated descriptions are provided here. 
     The above contents are only the examples of the present disclosure, but not intended to limit the present disclosure. Those skilled in the art can make various changes and modifications to the present disclosure. Any modifications, equivalent replacements, improvements and the like that are made without departing from the spirit and the principle of the present disclosure shall all fall within the scope of claims of the present disclosure.