KR20100058176A - The connector of the led lamp unit - Google Patents

Abstract

PURPOSE: A connector of a unit LED(Light Emitting Diode) lamp is provided to facilitate installation work by combining separably female/male housings with an assembly. CONSTITUTION: A circular plate(120) is combined in the lower part of a cylindrical body(110). A female housing(1) fixes one side of the circular plate with a depressed part of the lower part. The female housing has an electrode terminal. The electrode terminal is elastically touched with an electrode surface(121). A male housing(2) fixes the other side of the circular plate with the depressed part of the lower part. The male housing is separably combined in the female housing with an assembly part.

Description

The connector of the LED lamp unit

The present invention relates to a connector for fixing a low cylindrical unit LED lamp to a heat sink or a circuit board, and more particularly, to a connector of a unit LED lamp to facilitate the installation and separation of the unit LED lamp.

LED (L.E.D) is a light source that consumes low power and has a long lifespan, and is being used in a wide range of fields as high brightness LEDs are recently developed.

6 shows a module (M) mounted to the head portion of the street lamp using the LED, a plurality of LED lamps 100 are used to obtain a sufficient brightness at night, the light source of the LED lamp 100 The lighting angle of some LED lamps is installed to be different from the lighting angle of other LED lamps in consideration of the straightness.

FIG. 7 is a partial cross-sectional view of a portion of the streetlight head shown in FIG. 6. The LED lamp 100 unitized including the LED is fixed on the heat sink P1, and a circuit board P2 for turning on the LED is provided on the rear surface of the heat sink P1.

At this time, the LED lamp 100 has a substantially cylindrical body 110 consisting of a top transparent window 111, the lower portion of the body has a shape in which a larger diameter plate 120 is coupled. At the edge of the disc 120, an electrode surface 121 for receiving external power is formed at positions symmetric to each other.

That is, the unit LED lamp 110 is treated as a unit unit in which the internal LED is turned on when power is supplied to the electrode surface 121 provided in the disc, and the unit LED lamp may be supplied with power to both electrode surfaces. If so, it can be installed anywhere on the heatsink or just above the circuit board. However, in order to protect the circuit board P2 from the high temperature of the LED according to the lighting, the heat sink P1 is usually interposed between the unit LED lamp 100 and the circuit board P2. At this time, the heat sink is also to serve as a support for the unit LED lamp is firmly fixed.

In the related art, in order to supply power to the LED lamp, a hole is formed in the heat sink P1 in which the electrode surface 121 of the original plate 120 is located, and one end (or electric wire) of which is mounted on the circuit board (P21). 7), one end of the electrode P21 is inserted under the bolt head B1 to contact the electrode surface 121 as illustrated in FIG. 7, or is configured to be directly connected to the electrode surface by soldering or the like. .

In this case, when the unit LED lamp is replaced or the circuit board is replaced, it is cumbersome to disconnect all of the electrode surfaces and the electrodes (or wires) of the unit LED lamp, which are provided in plural, so that a lot of time and effort is required for maintenance. There was a problem.

In addition, after a few replacements, there is a problem that the life of the product is shortened because the electrode (or wires) fall off the circuit board.

The present invention has been made to solve the above-described problems, an embodiment of the present invention has an object to facilitate the installation and replacement by an assembly method in fixing the unit LED lamp.

Specifically, the unit LED lamp has a purpose to be easily fixed to the connector to be fixed by mounting the unit LED lamp by a one-touch method.

It also has the purpose of preventing the unit LED lamp from being misassembled in the connector.

In order to solve the above problems, the present invention is a connector for restraining the unit LED lamp coupled to the disc formed with the electrode surface in the lower portion of the cylindrical body in an embodiment, wrapped around one side of the disc with a recessed portion of the bottom, the electrode A unit comprising a female housing provided with an electrode terminal in elastic contact with the surface, and a male housing wrapped around and fixed to the other side of the disc by a recessed portion at the bottom thereof, and detachably coupled to the female housing by an assembly unit. Present the connector of the LED lamp.

In addition, the assembly unit is provided with sliding grooves formed at both ends of the female housing, a locking jaw formed at the inner side of the sliding groove, and a locking groove fitted to the locking jaw at both end portions of the male housing. The connector of the unit LED lamp is characterized in that it comprises an elastic piece coupled to the groove.

In addition, the recess of the female housing is provided with a connector of the unit LED lamp, characterized in that the key chuck protrudingly formed in the directional groove formed in the disc of the unit LED lamp to prevent misassembly of the unit LED lamp.

According to the connector of the unit LED lamp according to the embodiment of the present invention as described above, the unit LED lamp is fixed to the female, male housing surrounding the disc of the body side and the lower part of the unit, the female housing is fixed to the assembly portion By being detachably coupled, installation is easy because welding is not necessary for coupling the unit LED lamps, and the unit LED lamps can be replaced quickly and easily by detachable female and male housings.

In addition, since the electrode terminal is elastically in contact with the electrode surface, even if the unit LED lamp is replaced several times, the electrode terminal is less damaged, thereby increasing the life of the connector.

In addition, when the assembly is made of an elastic piece and a sliding groove, the assembly of the connector is made only by pressing the male housing to the female housing, thereby enabling one-touch assembly, thereby maximizing the assembly.

In addition, when the key housing is further provided in the arm housing, the misassembly of the unit LED lamp is prevented, so that the electrical connection between the electrode terminal and the electrode surface can be secured.

Hereinafter, the function, configuration and operation of the connector of the unit LED lamp of the present invention through the preferred embodiment of the accompanying drawings will be described in detail.

1 is a perspective view of a connector of a unit LED lamp according to an embodiment of the present invention.

In the connector 10 of the unit LED lamp according to the preferred embodiment of the present invention, a unit LED lamp, in which a disc formed with an electrode surface at the lower portion of a cylindrical body, is coupled to a generally flat surface such as a heat sink or a circuit board (hereinafter, referred to as a 'fixed surface') In the connector constraining the unit LED lamp 100 to which the disc 120 having the electrode surface 121 is formed at the lower portion of the cylindrical body 110 is detachably fixed thereto, the recessed portion 1c Wrap and fix one side of the disc with the female housing 1 having the electrode terminal 12 elastically contacting the electrode surface 121 and the other side of the disc with the recessed portion 2c at the bottom thereof. And, the female housing (1) is provided with a water housing (2) detachably coupled by the assembly (3).

At this time, the unit LED lamp, as shown in Figures 4 and 7, as described in the background art described above, is to have a substantially brim hat shape. At least one LED (not shown) is built in the body 110, and the electrode surfaces 121, which are formed symmetrically on the top surface of the disc 120, are connected to communicate with the LEDs. In other words, when the power is applied to both electrode surfaces from the outside has a conventional configuration that the LED can be turned on.

On the other hand, the female housing (1) and the male housing (2) are each approximately horseshoe shape, both ends are coupled to each other by the assembly (3).

When the arm housing and the male housing are combined by the assembly unit, the central cavity surrounds the side surface of the cylindrical body of the LED lamp, and the disc is accommodated in the recesses 1c and 2c respectively formed at the lower portion of the female housing and the male housing. As a result, the unit LED lamp is fixed to the connector. Of course, the shape of the inner circumferential surface of the female housing and the male housing may be changed according to the shape of the body of the unit LED lamp.

Meanwhile, a fixing flange 11 may be formed on the outer circumferential surface 1b of the female housing 1 to be fixed to the fixed surface.

At this time, the fixing flange 11 is formed with a through hole 111 to be fixed through the bolt (B), as shown in FIG. The fixing flange 11 may be provided in plurality in the center and both sides of the outer circumferential surface (1b) for a more secure fixing of the arm housing (1). On the other hand, such a fixing flange may be dedicated to the projection or the like fitted in the bolt hole formed in the fixing surface.

In this case, the fixed flange is provided so that the arm housing can be firmly fixed to the fixed surface, so that the unit LED lamp constrained by the female housing and the male housing can be firmly fixed to the fixed surface.

In addition, the fixing flange 11 may be further provided on the outer surface 2b of the water housing 2. The fixing flange 11 is coupled to the female housing (1) by the assembling unit (3) through the unit LED lamp, the male housing (2) is more firm to the fixed surface (P) To be fixed.

In addition, even when the coupling is released from the assembly by an external impact or the like, even if the housing is separated from the female housing by firmly fixing the water housing to the fixed surface so that the unit LED lamp is not separated from the mounting housing. Therefore, the unit LED lamp can be more securely fixed to the connector, thereby increasing the reliability of the product.

On the other hand, the assembly portion (3) is formed on both ends of the horse housing 1 and the male housing (2) having a horseshoe shape is configured so that the end of the male housing can be fixed to the end of the female housing, later It may be made by the sliding groove and the elastic piece described, or may be made of a clamp for fixing the outer circumferential surface of the female housing and the male housing coupled.

In this way, the female housing and the male housing are detachably coupled to each other through the assembly unit, so that the unit LED lamp fixed by the combination of the female housing and the male housing can be separated from the fixed surface when the female housing is separated from the female housing. Will be. That is, the operator can easily separate the unit LED lamp to be fitted to the arm housing.

Hereinafter, the assembly unit 3 will be described in detail with reference to FIGS. 2 and 3.

The assembly portion 3 has sliding grooves 31 formed at both ends of the female housing 1, and locking jaws 312 formed at the inner surface 311 of the sliding groove 31 and both sides of the male housing 2. An engaging piece 321 is formed at the end to be fitted to the engaging jaw 312 and includes an elastic piece 32 coupled to the sliding groove 31.

In FIG. 2, sliding grooves 31 are extended at both end portions of the arm housing 1, and locking jaws 312 are formed at the inner side 311 forming the sliding grooves. The locking jaw is formed with an inclined surface in a direction approaching the female housing in order to couple the housing, the other side is composed of a plane perpendicular to the upper direction.

On the other hand, in Figure 3, both ends of the water housing (2) is formed with an elastic piece 32 that is fitted into the sliding groove 31 and slides.

At this time, the elastic piece 32 is elastically extended at both ends of the male housing (2) is formed, the middle of the elastic piece is formed with a locking groove 321 to be fitted to the locking jaw.

Thus, when the male housing is coupled to the female housing, the elastic piece 32 is elastically deformed and inserted by the engaging jaw 312 provided on the inner side of the sliding groove 31. In this case, the locking jaw 312 is fitted into the locking groove 321 so that the elastic piece 32 can be fixed in the sliding groove 31. In addition, after the elastic piece is elastically moved to remove the locking groove from the locking step, the male housing can be separated from the female housing.

Thus, the housing and the female housing through the assembly is to be detachably assembled. Therefore, it is very easy to install and replace the unit LED lamp mounted by the water housing and the female housing.

On the other hand, the outer side surfaces of both ends of the water housing 2 may be further formed with a guide pin 322 sliding on the upper and lower inner walls forming the sliding groove 31 to be stably inserted into the sliding groove 31. have.

As shown in FIG. 3, the guide pin 322 has a shape protruding upward, and correspondingly, the sliding groove 31 has an upper inner wall forming a sliding groove, as shown in FIG. 2. The guide groove 313 is further formed.

When the guide pin 322 and the guide groove 313 is further provided in the assembly portion 3, both ends of the male housing can be inserted into the both ends of the female housing in position, and inserted into position Since the guide pin 322 can limit the space in which the elastic piece 32 is elastically deformed, the above-described locking jaw 312 and the locking groove 321 have an effect of ensuring the fitting action. will be.

That is, the elastic piece 32 is elastically deformed in the space formed between the guide pin 322 and the inner surface 311 of the sliding groove by the assembly of the assembly portion 3 and the locking groove 321 of the elastic piece is caught. It is fitted at (312). At this time, the moving distance that the elastic piece 32 is elastically deformable is limited to the narrow space between the locking jaw 312 and the guide pin 322, so that the locking groove 321 is separated from the locking jaw 312. In order to be able to be configured such that the elastic piece 32 is in close contact with the side of the guide pin. As a result, even if the elastic piece produced slightly weaker elasticity due to manufacturing tolerances to prevent the operator from leaving immediately from the locking jaw if not intended.

On the other hand, it is preferable that the handle portion 323 is extended to the rear of the elastic piece 32 to release the locking groove from the locking jaw by the user to facilitate separation of the male housing and the female housing.

At this time, the handle portion 323 is when the elastic piece 32 is completely coupled to the sliding groove 31, that is, when the locking groove 321 is fitted to the locking jaw, as shown in Figure 5, It is elongated to protrude outward from the end.

Therefore, the user can easily detach the locking groove from the locking jaw by pressing the handle formed on each elastic piece without using any tool.

On the other hand, in Figure 2, the electrode terminal 12 is located on both sides of the lower surface of the female housing 1, one end is in contact with the electrode surface of the disc when the unit LED lamp is coupled to the female housing.

At this time, the one end 121 located at the lower portion of the female housing in the electrode terminal 12 is formed convexly downward so as to be easily grounded to the electrode surface of the substantially plate-shaped disk, it is conventional It has elasticity according to its properties.

That is, when the unit LED lamp is inserted into the lower portion of the female housing, one end 121 of the electrode terminal 12 is configured to be in contact with the electrode surface in the state slightly lifted by the disc.

Meanwhile, the other end 122 of the electrode terminal 12 protruding outward from the female housing 1 may be configured to pass through a hole formed in the fixing surface P, as shown in FIG. 4. It is connected to a circuit board located under the heat sink, or to a wire for supplying power. These electrode terminals can be fixed to the female housing by the insert molding or stitching (stitching) method.

In addition, in FIG. 2 and FIG. 4, the recessed portion of the female housing 1 so as to ensure the connection between the electrode terminal 12 and the electrode surface 121 by limiting the coupling direction of the unit LED lamp 100 ( It is preferable that the key jaw 13 fitted into the direction groove 123 formed in the disc 120 of the unit LED lamp 100 is formed in 1c).

That is, in the case where the insertion direction of the unit LED lamp 100 having a substantially hat shape is changed, there is a possibility that an assembly failure in which the electrode terminal 12 is not properly grounded to the electrode surface 121 may occur. The disc 120 is provided with a directional groove 123, the key jaw 13 is fitted to the directional groove 123 in the recessed portion (1c) in which the disc 120 is accommodated in the lower portion of the arm housing.

Thus, in the case of misassembly, the edge of the disc is caught on the key chuck so that the unit LED lamp is not completely inserted into the arm housing, so that the assembler can easily recognize that the unit LED lamp is not inserted in the wrong direction. Will be.

1 is a perspective view of a connector of a unit LED lamp according to an embodiment of the present invention.

2 is a bottom perspective view of the female housing employed in the connector of the unit LED lamp shown in FIG.

3 is a perspective view of the water housing employed in the connector of the unit LED lamp shown in FIG.

Figure 4 is a state of use of the connector of the unit LED lamp shown in FIG.

5 is a complete perspective view of the assembly of FIG. 4;

6 is a perspective view showing a conventional technology.

7 is a partial cross-sectional view showing the main portion of the conventional technique shown in FIG.

Explanation of symbols on the main parts of the drawings

10: connector

1: Arm Housing

1a: inner circumferential surface 1b: outer circumferential surface 1c: depression

11 fixing flange 111 through hole B bolt

12 electrode terminal 121 one end 122 the other end

13: chin

2: housing

2a: inner circumferential surface 2b: outer circumferential surface 2c: depression

3: assembly

31: sliding groove 311: inner side 312: locking jaw

313: guide groove 32: elastic piece 321: locking groove

322: guide pin 323: handle portion

100: lamp

110 body 111 transparent window 120 disc

121: electrode surface 123: direction groove B1: bolt head

P: fixed surface M: module P1: heat sink

P2: Circuit Board P21: Electrode

Claims (3)

In the connector that restrains the unit LED lamp 100 is coupled to the disc 120, the electrode surface 121 is formed on the lower portion of the cylindrical body 110, A female housing 1 having an electrode terminal 12 elastically in contact with the electrode surface 121 and fixed by wrapping one side of the disc with a recess 1c at the bottom thereof; Unit LEDs, characterized in that the lower housing 2c is wrapped around and fixed to the other side of the disc, and the female housing 1 is detachably coupled to the female housing 1 by the assembly unit 3. Connector of the lamp. In claim 1, In the assembly portion (3) A sliding groove 31 formed at both ends of the female housing 1, a locking step 312 formed at an inner side surface 311 of the sliding groove 31, Unit LEDs, characterized in that the engaging groove 321 is formed to be fitted to the locking step 312 at both ends of the water housing (2) is coupled to the sliding groove 31 Connector of the lamp. The recess 1c of claim 1 or 2, wherein the recess 1c of the female housing 1 The unit LED lamp of the unit LED lamp, characterized in that the projection 123 formed in the disc 120 of the unit LED lamp 100 to prevent the misassembly of the unit LED lamp 100 is protruded connector.

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