Source: https://patents.google.com/patent/KR101555062B1/en
Timestamp: 2020-01-25 19:57:56
Document Index: 742165298

Matched Legal Cases: ['art 122', 'art 560', 'art 420', 'art 560', 'art\n540', 'art 562']

KR101555062B1 - Connecting Device of Stator Lead Wire for Motor - Google Patents
Connecting Device of Stator Lead Wire for Motor Download PDF
KR101555062B1
KR101555062B1 KR1020090028404A KR20090028404A KR101555062B1 KR 101555062 B1 KR101555062 B1 KR 101555062B1 KR 1020090028404 A KR1020090028404 A KR 1020090028404A KR 20090028404 A KR20090028404 A KR 20090028404A KR 101555062 B1 KR101555062 B1 KR 101555062B1
KR1020090028404A
KR20100110039A (en
문민식
2009-04-02 Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
2009-04-02 Priority to KR1020090028404A priority Critical patent/KR101555062B1/en
2010-10-12 Publication of KR20100110039A publication Critical patent/KR20100110039A/en
2015-09-22 Publication of KR101555062B1 publication Critical patent/KR101555062B1/en
In the case of connecting a terminal terminal to a housing in order to apply power to a lead wire connected to a stator of a motor, since the terminal terminal is not stably fixed to the inside of the housing, To a stator winding connection device of a motor for solving the problem caused by unstable contact.
To this end, a stator winding connecting apparatus for a motor according to the present invention comprises: a housing having a plurality of terminal accommodating portions for accommodating a terminal of a lead wire connected to a stator winding; A terminal accommodated in each terminal accommodating portion formed in the housing and having a fixing portion for preventing dislodgment; Further, a fixing protrusion for preventing the detachment of the terminal is formed, and the housing cap is coupled with the housing.
Motor, stator, winding, housing, terminal, fixed
Connecting Device of Stator Lead Wire for Motor
The present invention relates to a structure for coupling between a terminal terminal and a housing in order to apply a stator winding and a power source of a motor. In this structure, a terminal terminal, which is formed when a stator winding is connected to a mating terminal terminal, To a stator winding connection device of a motor for solving the problem caused by unstable contact with a terminal.
A motor is a device that converts electrical energy into mechanical energy to obtain rotational power. Such a motor is classified into an AC motor and a DC motor according to the type of the power source to which the motor is applied. Generally, the motor is an air conditioner, a refrigerator Is widely used for driving household appliances.
Such a motor includes a stator (hereinafter referred to as a stator) and a rotor
(Rotor or armature, hereinafter referred to as &quot; rotor &quot;), operates on the principle that a rotating torque is generated in the rotor by a rotating magnetic field generated when a current flows in the coil of the stator , The torque that rotates the rotor by the torque is used as the rotational power.
In particular, a linear motor is a device in which the magnetic field of a motor having a three-dimensional structure is deformed into a flat plate shape, and the mover of this planar shape is also placed on the upper surface of a planar stator, and a kind of motor linearly moving in accordance with the change of the magnetic field of the stator to be.
In recent years, the stator is formed into a cylindrical shape having an inner stator and an outer stator, and a magnet coil for generating an induction magnetic field is wound and mounted on either the inner stator or the outer stator A magnet is placed between the inner stator and the outer stator and the mover is arranged so that the polarity of the magnet is arranged in the axial direction of the stator.
For example, Korean Patent Registration No. 10-0793804 discloses a structure of a linear motor in which a stator has a cylindrical inner stator and an outer stator, and a magnet coil is wound around the bobbin and the outer surface of the stator is wrapped with an injection material.
Korean Patent Registration No. 10-0529935 discloses a bobbin shape of a linear motor and an assembling structure of an outer stator.
When the housing including the terminal terminal connected with the lead wire of the linear motor thus constructed is connected to the mating housing, the terminal terminal can not be properly fixed in the housing, thereby causing a problem of being pushed back when connected.
As a result of the above-described problems, there arises a problem that contact with the counter terminal terminal occurs, and electric conduction is not smoothly performed, resulting in a problem of electrical performance failure and the like.
In order to solve the above-mentioned problems, an object of the present invention is to provide a motor having a housing having a terminal terminal detachment preventing structure according to an embodiment of the present invention, In addition, by providing the housing cap, it is possible to solve the problem of poor contact with the mating terminal terminal due to the pressing phenomenon when the mating terminal is connected to the mating terminal terminal for connecting the power source.
The connecting device of the stator winding of the motor according to the embodiment of the present invention includes a housing having a plurality of terminal terminal receiving portions for receiving terminal terminals of the lead wires connected to the stator windings, ; A terminal terminal accommodated in each terminal terminal accommodating portion formed in the housing and provided with a fixing engagement portion for preventing disengagement; And a housing cap having a fixing protrusion for preventing the terminal terminal from separating from the terminal and engaging with the housing.
The housing is formed with an engagement protrusion having a stepped shape in the terminal terminal accommodating portion to prevent the terminal terminal from coming off in surface contact with the accommodated terminal terminal.
The latching protrusion formed on the housing is formed with a latching protrusion that is in contact with the lead wire cover fixing portion formed on the terminal terminal, a locking latching portion formed on the terminal terminal, and a double-locking latching protrusion .
A rib is formed at one side of the housing cap to engage and fix the housing.
One side of the housing is formed with a rib receiving groove for fixing by engaging with a rib formed in the housing cap.
The hooks are formed on both left and right sides of upper and lower sides of the housing in a direction perpendicular to the terminal terminal receiving groove.
The hook housing part is formed at the left and right sides of the upper and lower sides of the housing cap at positions corresponding to the hooks.
The terminal terminal includes a core wire fixing portion for fixing a core wire portion of a lead wire connected to the stator winding, a cover fixing portion for fixing the cover of the lead wire, and a fixing hook portion in the form of a projection.
One or more fixing protrusions may be formed on the inner wall surface of the housing cap to prevent the terminal terminals from flowing back and forth when the terminals are coupled.
According to the stator winding connecting apparatus of the motor according to the embodiment of the present invention, the engaging protrusion for preventing the detachment of the terminal terminal is formed in the terminal terminal accommodating portion accommodating the terminal terminal, And a fixing protrusion for preventing and preventing the terminal terminal from being separated from the housing cap is formed in the housing cap which is coupled to the housing at one side. When the housing is coupled with the mating housing or the mating terminal for power connection, the terminal in the housing is pushed back, thereby solving the problem caused by incomplete surface contact.
Therefore, according to the present invention, by using the stator winding connection device of the motor having the above-described structure, it is possible to supply stable power to the motor, thereby stabilizing the quality of the motor and the application product.
Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. It should be understood, however, that there is no intention to limit the scope of the present invention to the embodiment shown, and that other embodiments falling within the scope of the present invention may be easily devised by adding, Can be proposed.
That is, in the embodiment of the present invention, the linear motor 1 is described for the sake of convenience and understanding, but it is to be noted that the linear motor 1 can be applied to all kinds of motors.
Fig. 1 is an exploded view of component parts showing the configuration of the linear motor 1. Fig.
Referring to the drawings, the linear motor 1 for a compressor is formed in a substantially cylindrical shape, and the linear motor 1 has an outer stator 100 having a hollow cylindrical shape and a hollow inner space (not shown) of the outer stator 100, A cylindrical inner stator 200 is provided.
A certain gap exists between the outer stator 100 and the inner stator 200 and the mover 300 is interposed between the outer stator 100 and the inner stator 200 to form the outer shape.
More specifically, a bobbin 120 (shown in FIG. 2) having a disk-shaped guide portion 122 of a predetermined size formed at both ends of the hollow cylindrical shape of the outer stator 100 is provided. A magnet coil 128 (shown in FIG. 2) is wound around the inner circumferential surface of the guide part 122 at both ends of the bobbin 120 (shown in FIG. 2) using a high-speed winding machine.
The outer stator 100 is provided to the outer circumferential surface of the bobbin 120 (shown in Fig. 2) on which the magnet coil 128 (Fig. 2) is wound.
A plurality of metal cores 150 (shown in FIG. 2) having a 'C' shape are radially fixed and mounted on the outer circumferential surface of the outer stator 100 with a predetermined distance therebetween through a subsequent operation.
The outer stator 100 includes a plurality of core seating portions 124 (shown in FIG. 2) formed on the outer circumferential surfaces at both upper and lower sides thereof to locate the plurality of cores 150 (shown in FIG. 2) A plurality of core guide portions 126 (shown in FIG. 2) for preventing the flow of the installed core 150 (shown in FIG. 2) are radially provided on the body portion of the outer stator 100 do.
Next, an inner stator 200 having a cylindrical shape for forming an induction magnetic path is provided inside the outer stator 100.
The inner stator 200 forms an induction magnet path through which a current flows in the magnet coil 128 (shown in FIG. 2) wound around the outer stator 100, and a magnet To move the mover 300 in the up and down direction.
Next, a certain gap exists between the outer stator 100 and the inner stator 200. And a mover 300 interposed between the pores and performing a linear reciprocating motion by the induction magnet.
The mover 300 is formed in a cylindrical shape, one end of which is fully open and the other end is provided with a plurality of vents.
A polygonal or circular ventilation opening having a predetermined size is radially provided on the outer peripheral surface of the one end side provided with the ventilation opening.
A plurality of magnets (magnets) are radially provided on the outer circumferential surface of the mover 300. With the plurality of magnets thus provided, Faraday's law of induction is applied to the gap between the outer stator 100 and the inner stator 200 to induce magnetism generated in the upward and downward directions It generates a force that receives a force and performs a linear reciprocating motion.
The mover 300 is made of a glass fiber material and is manufactured through injection molding.
The operation of the linear motor 1 will be described below.
When an electric current is applied to the magnet coil 128 (shown in FIG. 2) wound on the outer stator 100, induction magnetism is generated in the outer stator 100 by the applied current, Thereby forming a magnetic field with the stator 200.
The thus formed magnetic field attracts the magnet (not shown) mounted on the outer circumferential surface of the mover 300 according to the Faraday's law of induction, thereby moving the mover 300 in one direction.
Then, when the current applied to the stator coil is cut off and a current is applied in the opposite direction, an induced magnetic field in a direction opposite to the magnetic field generated in the previous direction is generated. As a result of the Faraday's induction law, the mover 300 is moved in the opposite direction .
2 is a cross-sectional view illustrating the stator winding connection device of a motor according to an embodiment of the present invention.
Referring to the drawing, a plurality of terminal terminal receiving portions 480 are formed on one side of the housing 400 so that the terminal terminals formed on the lead wires can be separated and accommodated. On the other side, And an extension portion for guiding the insertion portion to be movable.
On the left and right sides of both side plates of the housing 400, protruding hooks 460 are formed for engaging with the housing cap 600.
A rib 660 is formed at one side of the housing cap 600 to engage and fix the housing 400 with the housing 400. The rib 660 may be received in the terminal terminal receiving portion 480.
Next, referring to the terminal terminal receiving portion 480 formed in the housing 400, the lead wire covering fixing portion formed on the terminal terminal 500 and the fixing hook portion 580 are brought into surface contact with each other And a latching jaw 440 is formed.
In the terminal terminal 500 according to the present invention, a terminal of a metallic conductor material for energization in connection with the mating terminal terminal is formed at one end of the terminal terminal, and a core wire 542 of the lead wire And a cover fixing part 560 for covering and covering the cover 562 of the lead wire by pressing and fixing.
A fixed engaging portion 580 is formed to be in surface contact with the engaging protrusion 440 formed in the housing 400 in a direction perpendicular to the terminal terminal 500.
3 is a vertical cross-sectional view of a housing 400 according to an embodiment of the present invention.
In the left part of the drawing, a coupling housing part 420 for coupling and receiving the mating housing 400 and the mating terminal terminal is formed.
In the center of the housing 400, a partition wall for partitioning the terminal terminal accommodating portion 480 formed on the right side and the engagement accommodating portion 420 is formed. In the central portion of the partition surface, the terminal terminal 500 A terminal terminal groove formed so as to pass therethrough is formed.
On the right side, a terminal terminal receiving portion 480 is formed.
On both the upper and lower sides of the terminal terminal receiving portion 480, a protrusion-shaped foot is formed for coupling with the housing cap 600.
4 is a cross-sectional view of a terminal terminal 500 according to an embodiment of the present invention.
The terminal terminal 500 is made of conductive metal that can be energized.
The left side of the terminal terminal 500 is formed with a fork-shaped engaging portion 520 for engaging with a mating terminal terminal. A core wire 542 formed on the end of the lead wire, And a core setting section 540 is formed.
On the right side of the shim correcting portion 540, a cover fixing portion 560 for covering and fixing the cover 562 of the lead wire is formed.
On the right side of the cover fixing part 560, there is formed a latching part for prevention of dislocation through surface contact with the latching protrusion 440 formed in the terminal receiving part of the housing 400.
5 is a horizontal cross-sectional view illustrating a state in which a lead terminal is connected to a terminal terminal 500 according to an embodiment of the present invention.
In the drawing, a coupling portion 520 of a fork shape is formed on the right side of the drawing, and a core wire 542 which is bent to the inner side and exposed to the end of the lead wire, .
A cover fixing portion 560 is bent inward to fix the cover 562 of the lead wire to the right side of the core fixing portion 540.
Next, a fixing portion 580 is formed on the right side of the cover fixing portion 560.
6 is a perspective view of a housing cap 600 according to an embodiment of the present invention.
In detail, the housing 400 is coupled with the protrusions 460 formed on the housing 400 on the left and right sides of the upper and lower flat surfaces of the housing cap 600, The hook receiving portion 620 is formed.
The hook receiving portions 620 are located on the left and right sides of the upper and lower flat surfaces of the housing cap 600 and are cut in the thickness direction of the housing cap 600. However, And is blocked by a certain thickness.
The hook receiving portion 620 thus formed is engaged with the hook 460 formed in the housing 400 to be coupled and fixed between the housing 400 and the housing cap 600 while receiving the terminal terminal.
On the inner wall surface of the housing cap 600, a plurality of plate-shaped terminal terminals 500 formed in a direction perpendicular to the wall surface of the housing cap 600 are provided with fixing protrusions 640 Is formed.
A lead wire gate through which the lead wire passes is formed on one side of the housing cap 600 on the left and right sides.
The lead wire gate is formed by being cut open at one side wall of the housing cap 600, and the lead wire gate extends to the rear wall surface, and the end of the lead wire gate is rounded.
FIG. 7 is a cross-sectional view illustrating a coupling state of a motor stator winding according to an embodiment of the present invention.
The terminal unit 500 is accommodated in each terminal terminal accommodating unit 480 and the engaging unit 520 of the terminal terminal 500 is connected to the terminal terminal 500 formed on the wall surface of the terminal terminal accommodating unit 480, And is positioned in the engagement receiving portion 420 through the groove.
The end portions formed in the seam tightening portion 540 or the cover fixing portion 560 positioned in this way are in surface contact with the upper engagement protrusions 440 among the engagement protrusions 440 formed in the terminal terminal accommodating portion 480.
Next, the fixing protrusion 640 is in surface contact with the lower latching jaw 440 among the latching jaws 440 formed in the terminal terminal receiving portion 480, thereby fixing the position thereof.
The housing cap 600 is located on the right side of the housing 400. The housing cap 600 is positioned by coupling the hook 460 formed in the housing 400 and the hook receiving portion 620 to each other.
In the connecting device of the stator winding of the motor according to the embodiment of the present invention as described above, the engagement state between the engagement protrusion 440 formed in the housing 400 and the terminal terminal 500 and the fixed engagement portion 580 The fixing protrusion 640 formed on the housing cap 600 functions to secure the opening.
Therefore, according to the configuration of the present invention, problems such as contact failure can be solved due to a phenomenon in which the mating terminal is pushed when coupled with the mating housing 400 accommodating the mating terminal terminal on the power source side.
1 is a block diagram showing the configuration of a linear motor according to an embodiment of the present invention.
2 is a perspective view illustrating the stator winding connection device of a motor according to an embodiment of the present invention.
3 is a cross-sectional view of a housing according to an embodiment of the present invention.
4 is a cross-sectional view of a terminal terminal according to an embodiment of the present invention.
5 is a horizontal cross-sectional view illustrating a state of a terminal terminal being joined according to an embodiment of the present invention.
6 is a perspective view of a housing cap according to an embodiment of the present invention.
7 is a cross-sectional view illustrating a coupled state according to an embodiment of the present invention.
1 Linear motor 100 Outer stator
200 inner stator 300 mover
400 housing 420 engagement receiving portion
440 hanging chin 460 hook
480 Terminal terminal receptacle
500 terminal terminal 520 coupling part
540 Wing government 542 Core wire
560 Cloth fixing part 562 Cloth
580 Fixing portion
600 housing cap 620 hook receiving portion
640 Fixing projection 660 Rib
A terminal terminal of the lead wire connected to the stator winding;
A housing including a terminal terminal accommodating portion accommodating the terminal terminal and a retaining jaw provided inside the terminal accommodating portion; And
And a housing cap coupled to the housing and having a fixing protrusion for preventing the terminal terminal from coming off,
Wherein the fixing protrusion is protruded from an inner wall surface of the housing cap and contacts the terminal terminal,
Wherein the terminal terminal includes a cover fixing portion for fixing the cover of the lead wire and a fixing portion protruding from the terminal terminal,
And the engaging jaw is formed in a double step shape so as to include an upper engaging jaw in contact with the cover fixing portion and a lower engaging jaw in contact with the fixing engaging portion.
Wherein a rib is formed at one side of the housing cap to engage and fix the housing.
And a rib formed in the housing cap is inserted into the terminal terminal accommodating portion.
Wherein the housing is provided with a hook for engaging with the housing cap.
And a hook accommodating portion formed at a position corresponding to the hook on the housing cap.
Wherein the terminal terminal further comprises a core wire fixing portion for fixing a core wire of a lead wire connected to the stator winding.
KR1020090028404A 2009-04-02 2009-04-02 Connecting Device of Stator Lead Wire for Motor KR101555062B1 (en)
KR1020090028404A KR101555062B1 (en) 2009-04-02 2009-04-02 Connecting Device of Stator Lead Wire for Motor
KR20100110039A KR20100110039A (en) 2010-10-12
KR101555062B1 true KR101555062B1 (en) 2015-09-22
ID=43130794
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