Patent Description:
A vehicle lamp is one of the most common parts of a vehicle. Generally, a vehicle lamp has an integrated package structure, which has a higher cost. A vehicle lamp with an integrated package structure is inconveniently maintained after being damaged, and is required to replace the entire vehicle lamp. Further, the process of the integrated packaging involves a high temperature processing, which will cause damages to parts in the vehicle lamp.

In the prior art, there are known some LED lamps as described in their respective documents.

The patent application <CIT> discloses an LED (light-emitting diode) lamp. The LED lamp includes pins, a base, a luminous module and a lampshade, wherein the pins are inserted in the base; the luminous module is fixed to the base and is electrically connected with the pins; the lampshade accommodates the luminous module and is fixedly connected with the base; each pin includes a first end and a second end; the base is provided with jacks penetrating two ends and matched with the two pins; the pins are partially inserted into the jacks; the base is also provided with a slot communicated with the jacks; the luminous module includes a luminous part and a plugboard electrically connected with the luminous part; the plugboard is provided with two conductive sheets and is inserted into the slot in the base; second ends of the two pins are respectively butted against the two conductive sheets on the plugboard.

The patent application <CIT> discloses a LED lamp including an at least partially optically transmissive enclosure and a base connected to the enclosure. A plurality of LEDs are located in the enclosure and are operable to emit light when energized through an electrical path from the base. An optical interface is positioned in the enclosure for electrically isolating a live electrical component and for receiving at least a portion of the light. The optical interface includes a light modifying property for modifying a characteristic of the portion of the light.

The patent application <CIT> discloses an LED lamp. The LED lamp includes a lampshade, a radiator cover, a radiator and a base; a channel running through the radiator is formed in the radiator and internally provided with a plurality of branch sheets for dissipating heat; in addition, the radiator is directly connected with the radiator cover and the base, the radiator can be in threaded connection with the radiator cover and the base separately, and the lampshade is clamped between the radiator cover and the base.

The patent application <CIT> discloses a light emitting diode (LED) lamp, including the lamp holder nut, locate lamp holder nut upper end be cylinder shape and boring lamp body, the mild LED light structures on the lamp body lateral wall of laminating, the two mild LED light structures on the lamp body top surface of laminating, locate the inside drive arrangement of lamp body, still locate a LED light structures, the outer insulating boot of the 2nd LED light structures including the cover, a LED light structures includes the mild first base plate of laminating on the lamp body lateral wall, lay a plurality of LED lamp pearls on first base plate, the 2nd LED light structures locates the mild second base plate on the lamp body top surface including pasting, lay a plurality of the 2nd LED lamp pearls on the second base plate, first base plate, the second base plate is the wholeness structure, the insulating boot is established to the frame construction that is the cylinder shape and can be a LED light structures, electrically conductive position on the 2nd LED light structures hides, be equipped with on the insulating boot and supply a LED lamp pearl, the fretwork portion of the 2nd LED lamp pearl light -emitting.

In order to achieve a split assemble of a vehicle lamp, the present application provides a vehicle LED lamp.

The above-mentioned objectives are solved with the features of independent claims.

A vehicle LED lamp according to the present application adopts the following technical solution.

A vehicle LED lamp includes a terminal, a driver module and a LED light-emitting board that are electrically connected in sequence; the LED light-emitting board is cylindrical; one end of the driver module is embedded into the LED light-emitting board, and the other end of the driver module is embedded into the terminal; and the terminal is sleeved on one end of the LED light-emitting board and is in a positive or negative connection with a vehicle power supply.

In the above technical solution, during used, the driver module is connected to the vehicle power supply, and the driver module supplies power to the LED light-emitting board and then lights it up. The terminal and the housing protect the inner LED light-emitting board and the driver module. One end with opening of the LED light-emitting board is inserted into the terminal, and the LED light-emitting board is connected to the driver module to achieve a split assembling of the vehicle lamp.

According to the invention, the terminal is provided with a housing, the housing covers the LED light-emitting board, and an insulating base is provided between the terminal and the LED light-emitting board.

In the above technical solution, the housing covers the LED light-emitting board, so as to protect the LED light-emitting board.

According to the invention, the housing is adhered to an opening of the terminal for fixing.

In the above technical solution, the housing and the terminal can be fixed by bonding to improve the fixing of the housing.

In an example, the housing includes a plurality of fixing rings that are sleeved on the LED light-emitting board along a circumferential direction of the LED light-emitting board, and a connecting bar is fixedly provided between adjacent fixing rings.

In the above technical solution, the housing is provided as a combined structure of the fixing ring and the connecting bar, a part of the LED light-emitting board with lighting function and not covering the fixing ring and the connecting bar is taken as a light source of the LED light-emitting board, so as to improve the lighting function of the vehicle lamp and protect the inner parts of the vehicle lamp.

In an example, the housing is made of a transparent material.

In the above technical solution, the transparent housing can hermetically protect the LED light-emitting board to reduce the damaging possibility of the LED light-emitting board. Further, the housing of the vehicle lamp is made of the transparent material to improve the lighting function of the vehicle lamp.

According to the invention, the terminal is cylindrical, limiting blocks are fixedly provided on both sides of the terminal, a power interface with a circular sheet shape is fixedly provided on one end of the terminal away from the housing, the power interface is fixedly connected to the terminal, and the power interface is electrically connected to the driver module.

In the above technical solution, the end of the terminal providing with the power interface is inserted into the outer mounting structure of a vehicle body, the power interface is connected to the vehicle power supply, and the driver module is connected to the power interface, so as to supply power to the driver module. By providing the terminal as a cylindrical shape, the vehicle lamp can apply to the mounting structure of a cylindrical inserting groove. By providing the limiting block, the terminal is fixed on the outer mounting structure of the vehicle body.

In an example, a flat extension part is fixedly provided on one end of the terminal away from the housing, four pins are inserted into the extension part; one end of each of the pins is inserted into the terminal and electrically connected to the driver module, and the other end of each of the pins is in a bending shape and embedded into one side of the extension part.

In the above technical solution, when used, one end of the terminal provided with the extension part is inserted into the outer mounting structure of the vehicle body. The pin is connected to the vehicle power supply, so as to supply power to the driver module via the pin. By providing the flat extension part, the vehicle lamp can apply to the mounting structure of a flat inserting groove.

In an example, a side surface of one end of the terminal away from the housing is recessed inward to form a plurality of arc concaves.

In the above technical solution, the both sides of the terminal are provided as arc concave shape, so that the terminal can better fit in hands during the detaching process, and the convenience of the detaching process, repairing and maintenance of vehicle lamp can be improved.

In an example, a first limiting sheet and a second limiting sheet are fixedly provided on each of two sides of the extension part; a thickness of the first limiting sheet gradually increases along a direction close to the terminal and a thickness of the second limiting sheet gradually decreases along the direction close to the terminal.

In the above technical solution, during used, the extension part is inserted into the outer mounting structure of the vehicle body. The setting of the first limiting sheets and the second limiting sheets can play a position limiting role to the extension part. The first limiting sheet with gradually varying thickness plays a role in supporting and guiding in the process of inserting the extension into the outer mounting structure of the vehicle body, so that the relative protrusion degree of the second limiting sheet is reduced, and the installation of the vehicle lamp is smoother and more convenient. When the vehicle lamp needs to be detached, the second limiting sheet with gradually varying thickness plays a role in supporting and guiding, so that the relative protrusion degree of the first limiting sheet is reduced, and the detaching of the vehicle lamp is smoother and more convenient.

In an example, the LED light-emitting board is formed by bending and folding a rectangular aluminum substrate; a part to be folded of the rectangular aluminum substrate comprises two connecting parts to be folded inward, and a wire solder joint is provided on each of the connecting parts.

In the above technical solution, by using the LED light-emitting board made of the rectangular aluminum substrate, the shape of the LED light-emitting board can better fit in the terminal and the driver module.

In summary, the present application includes at least one of beneficial technical effects:.

List of reference signs: <NUM>. Terminal; <NUM>. Limiting block; <NUM>. Power interface; <NUM>. Extension part; <NUM>. Pin; <NUM>. First limiting sheet; <NUM>. Second limiting sheet; <NUM>. Insulating base; <NUM>. LED light-emitting board; <NUM>. Gap; <NUM>. Connecting part; <NUM>. Wire solder joint; <NUM>. Housing; <NUM>. Fixing ring; <NUM>. Connecting bar; <NUM>. Driver module;.

The present application is further described in detail below with references to the drawings <NUM>-<NUM>.

The present application provides a vehicle LED lamp.

Referring to <FIG>, a vehicle LED lamp includes a terminal <NUM>, a LED light-emitting board <NUM> and a housing <NUM>. One end of the LED light-emitting board <NUM> is arranged in the terminal <NUM>. The housing <NUM> is sleeved on the LED light-emitting board <NUM> and is connected to one open end of the terminal <NUM>. The terminal <NUM> may be in a positive or a negative connection with a vehicle power supply. In assembling, one end of the LED light-emitting board <NUM> is inserted into the terminal <NUM>, the housing <NUM> is sleeved on the LED light-emitting board <NUM>, and the terminal <NUM> is inserted into an outer mounting structure of the vehicle.

Referring to <FIG>, the terminal <NUM> is cylindrical, and is provided with a plurality of fixed limiting blocks <NUM> on an outer wall of the terminal <NUM>. The plurality of limiting blocks <NUM> are evenly distributed along a circumference of the terminal <NUM>. A power interface <NUM> with a circular sheet shape is fixedly provided at one end of the terminal <NUM> away from the housing <NUM>. A driver module <NUM> is provided in the terminal <NUM>, which is connected to the power interface <NUM>.

In assembling, one end of the terminal <NUM> that is provided with the power interface <NUM> is inserted into the outer mounting structure of the vehicle, the terminal <NUM> is fixed by the limiting blocks <NUM>, and the power interface <NUM> is connected to the driver module <NUM> to supply power to the driver module <NUM>.

Referring to <FIG>, the LED light-emitting board <NUM> is bent into a cylindrical shape with an opening at one end and gaps <NUM> on both sides. The open end of the LED light-emitting board <NUM> is arranged in the terminal <NUM>. An insulating base <NUM> made of ceramic material is provided between the LED light-emitting board <NUM> and the terminal <NUM>. The open end of the LED light-emitting board <NUM> is arranged in the insulating base <NUM>. The outer side of the LED light-emitting board <NUM> is coated with a glue protective layer. The driver module <NUM> is connected to the LED light-emitting board <NUM>. Referring to <FIG>, the LED light-emitting board <NUM> is formed by bending and folding a rectangular aluminum substrate. A part to be folded includes two connecting parts <NUM> to be folded inward, and a wire solder joint <NUM> is provided on each of the two connecting parts <NUM>.

In assembling, the LED light-emitting board <NUM> is bent into a cylindrical with an opening at one end, the open end of the LED light-emitting board <NUM> is inserted into the insulating base <NUM> of the terminal <NUM>, the driver module <NUM> is connected to the LED light-emitting board <NUM> for supplying power to the LED light-emitting board <NUM> so that the LED light-emitting board <NUM> is lighted up. The glue protective layer on the outer side of the LED light-emitting board <NUM> protects and seals up the LED light-emitting board <NUM>.

Referring to <FIG>, the housing <NUM> is a cylindrical with an opening at one end and made of transparent material. The open end of the housing <NUM> is fixedly connected to one end of the insulating seat <NUM>, and the connection potion between the housing <NUM> and the insulating seat <NUM> is coated with an adhesive.

In assembling, with installing of the LED light-emitting board <NUM> on the terminal <NUM>, the housing <NUM> is sleeved on the LED light-emitting board <NUM>, the adhesive is applied on the open end of the housing <NUM>, and the end applied with the adhesive of the housing <NUM> is connected to the open end of the terminal <NUM> for fixing of the housing <NUM>. When the LED light-emitting board <NUM> is lighted up, lights transmit through the housing made of the transparent material to realize the lighting function of the vehicle lamp.

The implement principle of the vehicle LED lamp according to an embodiment of the present application is described below. In use, the LED light-emitting board <NUM> is bent into a cylindrical with an opening at one end, the open end of the LED light-emitting board <NUM> is inserted into the terminal <NUM>, and the LED light-emitting board <NUM> is connected to the driver module <NUM>; the adhesive is applied on the open end of the housing <NUM>, and the open end of the housing <NUM> is connected to the open end of the terminal <NUM>, which achieves a split assembling of the vehicle lamp. In assembling, one end of the terminal <NUM> provided with the power interface <NUM> is inserted into the outer mounting structure of the vehicle, so that the power interface <NUM> is connected to the vehicle power supply; the vehicle power supply supplies power to the driver module <NUM>, and further to the LED light-emitting board <NUM>; and the LED light-emitting board <NUM> is lighted up to realize the lighting function of the vehicle lamp.

Referring to <FIG>, Embodiment <NUM> is different from Embodiment <NUM> in that: the housing <NUM> includes two fixing rings <NUM> that are coaxially arranged along a length direction of the terminal <NUM>, one of the fixing rings <NUM> is sleeved on an end of the LED light-emitting board <NUM> away from the terminal <NUM>, and the other fixing ring <NUM> is connected to one end of the insulating seat <NUM>; a plurality of connecting bars <NUM> are provided between the two fixing rings <NUM>, one end of each of the connecting bars <NUM> is fixedly connected to one of the fixing ring <NUM>, and the other end of each of the connecting bars <NUM> is fixedly connected to the other fixing ring <NUM>; the plurality of connecting bars <NUM> are evenly distributed along the circumferential direction of the fixing ring <NUM>; the plurality of connecting bars <NUM> are arranged along the length direction of the terminal <NUM>, and the plurality of connecting bars <NUM> are arranged to align with the gaps <NUM> on the both sides of the LED light-emitting board <NUM>.

In assembling, the adhesive is applied on one of the fixing rings <NUM> of the housing <NUM>, and the fixing ring <NUM> applied with the adhesive is fixedly connected to the open end of the terminal <NUM> for fixing the housing <NUM>. The fixing rings <NUM> and the connecting bars <NUM> cover the gaps <NUM> on the both sides of the LED light-emitting board <NUM> so as to prevent foreign objects from entering the interior of the vehicle lamp. In use, a part of the LED light-emitting board <NUM> that is not covered by the fixing rings <NUM> and the connecting bars <NUM> can directly light up.

Referring to <FIG>, Embodiment <NUM>, not covered by claim <NUM>, is different from Embodiment <NUM> in that: a cross section of an end of the terminal <NUM> away from the housing <NUM> gradually decreases along a direction away from the housing <NUM>, and both sides of one end of the terminal <NUM> away from the housing <NUM> are in an arc-concave shape; a flat extension part <NUM> is provided at the end of the terminal <NUM> away from the housing <NUM>; a plurality of pins <NUM> is fixedly provided on the extension part <NUM>; one end of each of the pins <NUM> is positioned in the extension part <NUM>, inserted into the terminal <NUM> and connected to the driver module <NUM>; and the other end of each of the pins <NUM> is in a bending shape and embedded into one side of the extension part <NUM>.

In assembling, one end of the terminal <NUM> provided with the extension part <NUM> is inserted into the outer mounting structure of the vehicle, the pins <NUM> are connected to the vehicle power supply, so as to supply the power to the driver module <NUM> via the pins <NUM>; in disassembling of the vehicle lamp, the operator places their fingers on the two arc-concave sides of the terminal <NUM>, and the vehicle lamp can be convenient to be disassembled.

Referring to <FIG>, the extension part <NUM> is fixedly provided with a first limiting sheet <NUM> and second limiting sheets <NUM> on both sides. The first limiting sheet <NUM> is positioned at a central part of the extension part <NUM>, and the second limiting sheets <NUM> are positioned at two ends of the extension part <NUM>. The thickness of the first limiting sheet <NUM> gradually increases along a direction close to the terminal <NUM> and the thickness of the second limiting sheets <NUM> gradually decreases along the direction close to the terminal <NUM>.

In mounting of the vehicle lamp, one end of the extension <NUM> away from the terminal <NUM> is inserted into the outer mounting structure of the vehicle. In inserting of the extension part <NUM> into the outer mounting structure of the vehicle, the first limiting sheet <NUM> with a gradually varied thickness plays a role in supporting and guiding, so that the relative protrusion degree of the second limiting sheet <NUM> is reduced, which facilitates the installation of the vehicle lamp. In disassembling of the vehicle lamp, the second limiting sheet <NUM> with a gradually varied thickness plays a role in supporting and guiding, so that the relative protrusion degree of the first limiting sheet <NUM> is reduced, which facilitates disassembling of the vehicle lamp.

Referring to <FIG>, Embodiment <NUM>, not covered by claim <NUM>, is different from Embodiment <NUM> in that: the housing <NUM> includes two fixing rings <NUM> that are coaxially arranged along the length direction of the terminal <NUM>; one of the fixing rings <NUM> is sleeved on one end of the LED light-emitting board <NUM> away from the terminal <NUM>, and the other fixing ring <NUM> is connected to the open end of the terminal <NUM>; a plurality of connecting bars <NUM> is fixedly provided between the two fixing rings <NUM>, one end of each of the connecting bars <NUM> is fixedly with one fixing ring <NUM>, and the other end of each of the connecting bars <NUM> is fixedly with the other fixing ring <NUM>; the plurality of connecting bars <NUM> are evenly distributed along the circumferential direction of the fixing ring <NUM>; the plurality of connecting bars <NUM> are arranged along the length direction of the terminal <NUM>; and the plurality of connecting bars <NUM> are arranged to align with the gaps <NUM> on the both sides of the LED light-emitting board <NUM>.

Claim 1:
A vehicle LED lamp comprising: a terminal (<NUM>), a driver module (<NUM>) and a LED light-emitting board (<NUM>) that are electrically connected in sequence; the LED light-emitting board (<NUM>) is cylindrical; one end of the driver module (<NUM>) is embedded into the LED light-emitting board (<NUM>), and the other end of the driver module (<NUM>) is embedded into the terminal (<NUM>); and the terminal (<NUM>) is sleeved on one end of the LED light-emitting board (<NUM>) and is in a positive or negative connection with a vehicle power supply,
wherein, the terminal (<NUM>) is provided with a housing (<NUM>), the housing (<NUM>) covers the LED light-emitting board (<NUM>), and an insulating base (<NUM>) is provided between the terminal (<NUM>) and the LED light-emitting board (<NUM>),
the housing (<NUM>) is adhered to an opening of the terminal (<NUM>) for fixing,
and the terminal (<NUM>) is cylindrical, limiting blocks (<NUM>) are fixedly provided on both sides of the terminal (<NUM>), a power interface (<NUM>) with a circular sheet shape is fixedly provided on one end of the terminal (<NUM>) away from the housing (<NUM>), the power interface (<NUM>) is fixedly connected to the terminal (<NUM>), and the power interface (<NUM>) is electrically connected to the driver module (<NUM>).