CN105465755B

CN105465755B - LED lamp electric connecting device

Info

Publication number: CN105465755B
Application number: CN201510974276.4A
Authority: CN
Inventors: 曾茂进; 陈小波
Original assignee: Leedarson Lighting Fixtures Co Ltd
Current assignee: Leedarson Lighting Fixtures Co Ltd
Priority date: 2015-12-23
Filing date: 2015-12-23
Publication date: 2023-02-10
Anticipated expiration: 2035-12-23
Also published as: CN105465755A

Abstract

The utility model provides a LED lamp electric connection device, includes lamp holder, circuit board and conductive terminal, and this conductive terminal is fixed in this lamp holder, and one end of this circuit board is equipped with the electrode and stretches into in this lamp holder, and this conductive terminal includes contact pin and insulating part, the contact pin is made by conducting material, and this insulating part is fixed in this lamp holder, the middle part of contact pin passes this insulating part and fixes on this insulating part, and the one end and the circuit board electricity of above-mentioned contact pin are connected, the other end of contact pin stretches out outside this lamp holder and is connected with external power electricity. The invention adopts the conductive terminal of the contact pin structure, one end of the contact pin is elastically abutted with the circuit board to form electric connection, and the other end of the contact pin extends out of the lamp holder to be electrically connected with an external power supply. The electric connection between the external power supply and the circuit board can be realized by adopting one part of the contact pin, so that the complex processes and structures of power line riveting, welding and the like are omitted, and the structure of the conductive terminal is greatly simplified.

Description

LED lamp electric connecting device

Technical Field

The invention relates to an LED lighting lamp, in particular to an electrical connecting device for an LED lamp.

Background

The LED light source has the advantages of high light emitting efficiency, low heat generation, power saving, and long service life, so that it is more and more widely used. LED lamps will gradually replace traditional lighting fixtures such as incandescent lamps and halogen lamps. The LED fluorescent tube on the existing market is generally connected with the fluorescent tube through the lamp holder to encapsulate the light source board inside the fluorescent tube, and the switch-on of light source board and lamp holder generally is through the wire connection, still will fix through gluing after the wiring. Therefore, the existing connection mode of the lamp tube and the lamp cap is complex, the processing and manufacturing procedures are more, the assembly is troublesome, the production efficiency is low, and the electric conduction is unstable. And inconvenient maintenance leads to higher production cost, and is not beneficial to the production and the manufacture of the LED lamp tube.

Disclosure of Invention

In view of this, it is necessary to provide an electrical connection device for an LED lamp, which has a simple structure and good stability.

The utility model provides a LED lamp electric connection device, includes lamp holder, circuit board and conductive terminal, and this conductive terminal is fixed in this lamp holder, and one end of this circuit board is equipped with the electrode and stretches into in this lamp holder, and this conductive terminal includes contact pin and insulating part, the contact pin is made by conducting material, and this insulating part is fixed in this lamp holder, the middle part of contact pin passes this insulating part and fixes on this insulating part, and the one end and the circuit board electricity of above-mentioned contact pin are connected, the other end of contact pin stretches out outside this lamp holder and is connected with external power electricity.

Compared with the prior art, the LED lamp electric connection device adopts the conductive terminal of the contact pin structure, one end of the contact pin is elastically abutted with the circuit board to form electric connection, and the other end of the contact pin extends out of the lamp cap to be electrically connected with an external power supply. The electric connection between an external power supply and the circuit board can be realized by adopting one part of the contact pin, so that the complex processes and structures such as power line riveting, welding and the like are omitted, and the structure of the conductive terminal is greatly simplified. Meanwhile, the insulating part is fixed in the lamp cap, and the contact pins are fixed on the insulating part, so that the whole conductive terminal structure can be stably fixed in the lamp cap, and the stability of electric connection is further ensured.

Drawings

Fig. 1 is a partial perspective cross-sectional view of an LED lamp electrical connection device according to a first embodiment of the present invention.

Fig. 2 is a perspective view of a conductive terminal in the LED lamp electrical connection device shown in fig. 1.

Fig. 3 is an exploded perspective view of the conductive terminal shown in fig. 2.

Fig. 4 is a perspective view of a conductive terminal in an LED lamp electrical connection device according to a second embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the drawings and the detailed description.

Please refer to fig. 1 to 3, which illustrate an LED lamp electrical connection device 100 according to a first embodiment of the present invention.

Referring to fig. 1 to 3, the LED lamp electrical connection device 100 includes a lamp cap 20, a circuit board 30, a lamp tube 40 and a conductive terminal 10, wherein the conductive terminal 10 is fixed in the lamp cap 20. The lamp cap 20 is a shell structure with an opening on one side, and the lamp cap 20 is disposed at one end of the lamp tube 40 and closes one end of the lamp tube 40. One end of the circuit board 30 is provided with an electrode and extends into the lamp cap 20. The conductive terminal 10 includes two contact pins 11 and an insulating member 12. The contact pins 11 are made of an electrically conductive material, such as metal. The insulator 12 is fixed within the base 20. The middle part of the contact pin 11 passes through the insulating member 12 and is fixed on the insulating member 12, one end of the contact pin 11 is electrically connected to the circuit board 30, and the other end of the contact pin 11 protrudes out of the base 20 and is electrically connected to an external power source.

Referring to fig. 1 to 3, the insulating member 12 is a block structure, and the insulating member 12 is fixed on an inner sidewall of the lamp cap 20 (as shown in fig. 1). The insulator 12 serves to stably fix the contact pins 11 to the base 20 and to prevent the contact pins 11 from contacting each other and causing a short circuit. Wherein, the middle part of the insulating member 12 is provided with a mounting hole and a mounting structure of the mounting member, and the mounting structure fixes the insulating member 12 on the lamp cap 20. Wherein, the mounting part is a screw, a pin and the like.

Referring to fig. 3, a slot 123 is formed at the bottom of the insulating member 12, and one end of the circuit board 30 is clamped in the slot 123. The circuit board 30 has a driving element on its upper surface, or the circuit board 30 has a driving element and an LED light source on it. By clamping the circuit board 30 in the slot 123, the circuit board 30 can be firmly connected to the insulating member 12, and the stable connection between the contact pins 11 and the circuit board 30 is ensured.

Referring to fig. 1 to 3, the circuit board 30 has two electrodes corresponding to the contact pins 11, and the contact pins 11 are fixed on the insulating member 12 at intervals. Each of the contact pins 11 is integrally made of a metal material, and the protruding section 111 of each of the contact pins 11 is curled to form a cylindrical shape. The middle of the insulating member 12 is provided with a projection 124 projecting toward the circuit board 30, and the projection 124 spaces the two contact pins 11 apart.

The two contact pins 11 are electrically connected to two poles of an external power source, and are electrically connected to two electrodes on the circuit board 30. The two contact pins 11 are fixed on the insulating part 12 at intervals, and the middle part of the insulating part 12 is provided with a boss 124, the boss 124 separates the two contact pins 11, thereby avoiding the problems of short circuit and the like caused by the connection of the two contact pins 11. The contact pin 11 is integrally made of a metal material of a conductive material, so that the entire structure of the contact pin 11 is greatly simplified. Therefore, the contact pin 11 can be formed by cutting a metal sheet, bending and curling the metal sheet, for example, the protruding section 111 is curled into a cylinder shape. The contact pin 11 has the advantages of simple structure, simple manufacture and low cost.

Referring to fig. 2 to 3, each contact pin 11 includes a protruding section 111, a limiting section 112, and an abutting section 113 connected to the limiting section 112. The terminal of the abutting section 113 is bent to form a spring 1132, and the spring 1132 elastically abuts against the electrode on the circuit board 30. The limiting section 112 is clamped in the insulating member 12, and the extending section 111 extends out of the insulating member 12 and the lamp cap 20. The insulation member 12 is provided with a through hole 121 corresponding to the limiting section 112, the limiting section 112 is accommodated in the through hole 121, the outer wall of the extending section 111 is provided with an anti-falling barb 115 protruding outwards, and the anti-falling barb 115 is provided corresponding to the outer side wall of the insulation member 12. Wherein, the extending section 111 of the contact pin 11 is used for extending out of the insulating member 12 and the lamp cap 20 to be electrically connected with an external power supply. The limiting section 112 is a limiting structure which forms a necking towards the abutting section 113, and the limiting section 112 is correspondingly arranged in a limiting groove 122 on the insulating part 12. After assembly, the anti-falling barb 115 can be fastened to the outer side wall of the insulator 12, or the anti-falling barb 115 can be fastened to the outer side wall of the lamp cap 20, so that the protruding section 111 is restricted outside the through hole 121. The anti-falling barb 115 can further ensure the length of the extending section 111 extending out of the lamp cap 20; the abutting section 113 is used for abutting against the circuit board 30 to form an electrical connection, and replaces a power line in the traditional structure, so that the structure of the conductive terminal 10 is greatly simplified.

The middle portion of the abutting section 113 is provided with a fixing portion 1131, one end of the fixing portion 1131 is connected to the limiting section 112, the other end of the fixing portion 1131 is connected to the elastic piece 1132, and the fixing portion 1131 is bent relative to the limiting section 112. The insulating member 12 is provided with a limiting groove 122 corresponding to the fixing portion 1131, and the fixing portion 1131 is received in the limiting groove 122. The limiting groove 122 is disposed on the inner sidewall of the insulating member 12. The fixing part 1131 in the abutting section 113 is arranged in the limiting groove 122, so that the position of the fixing part 1131 is fixed, and circuit control errors and the like caused by deformation of the fixing part 1131 with a long and thin structure or mistaken connection with other parts are avoided; the position of the spring 1132 of the fixing portion 1131 is also fixed, so that the stable electrical connection relationship between the spring 1132 and the circuit board 30 is ensured. Furthermore, the fixing portion 1131 abuts against the inner side surface of the insulating member 12, and the anti-slip barb 115 is provided on the outer side wall of the insulating member, so that the contact pin 11 can be fixed in a snap-fit manner to the through hole 121 of the insulating member 12.

In summary, through the conductive terminal 10 adopting the contact pin 11 structure, one end of the contact pin 11 is elastically abutted to the circuit board 30 to form an electrical connection, and the other end of the contact pin 11 extends out of the lamp cap 20 to be electrically connected with an external power supply, so that the external power supply can be electrically connected with the circuit board 30 by adopting one component of the contact pin 11, tedious processes and structures such as riveting a power line, cutting the power line and the like are omitted, and the structure of the conductive terminal 10 is greatly simplified. And the stability of the electric connection with the circuit board 30 is good through the elastic butt, thereby avoiding the electric connection instability caused by the leakage welding, falling off and the like of the power line. Meanwhile, the contact pins 11 are disposed through the insulating member 12, and the insulating member 12 is fixed in the cap 20, so that the entire structure of the conductive terminal 10 can be stably fixed in the cap 20, and the stability of electrical connection is further ensured.

Fig. 4 is a schematic diagram of an electrical connection device for LED lamps according to a second embodiment of the present invention.

The second embodiment differs from the first embodiment in that: the insulator 12a is a block structure, a hook 125a is disposed on the insulator 12a, a fastening block (not shown) is disposed on the inner sidewall of the lamp cap 20, and the hook 125a of the insulator 12a is fastened to a fastening block (not shown) on the inner sidewall of the lamp cap 20, so as to fix the insulator 12a on the inner sidewall of the lamp cap 20. Meanwhile, a fixing member 123a is further provided at the bottom of the insulating member 12a, and the fixing member 123a is used for fixing to a circuit board (not shown). This allows the upper portion of the insulator 12a to be secured within the base 20 and the lower portion to be secured to the circuit board. The insulating member 12a is provided with a buckle 125a to be assembled with the buckle block of the lamp cap 20, and the buckle 125a can fix the insulating member 12a in the lamp cap 20, so that the circuit board and the insulating member 12a can be conveniently fixed during assembly.

The difference is also that: the contact pin 11a may be electrically connected to the circuit board by providing a contact 1132a at the end of the abutting section 113a without providing a bent elastic piece. Meanwhile, the fixing portion 1131a may be bent to different degrees according to specific requirements, or may have a slender structure without bending.

In summary, the contact pin 11 of the electrical connection device for LED lamps includes the extending section 111, the limiting section 112 and the abutting section 113, which are integrally disposed, and the electrical connection between the circuit board 30 and the external power source can be realized after the contact pin 11 and the insulating member 12 are assembled, which greatly simplifies the electrical connection structure of the electrical connection device for LED lamps compared with the prior art. The electric connection between the external power supply and the circuit board 30 can be realized by adopting one part of the contact pin 11, and complicated processes and structures such as power line riveting, power line shearing and the like are omitted. The contact pin 11 is electrically connected with the circuit board 30 through elastic abutting, so that the electric connection instability caused by power line missing welding, falling off and the like is avoided. Meanwhile, the contact pins 11 are disposed through the insulating member 12, and the insulating member 12 is fixed in the cap 20, so that the entire structure of the conductive terminal 10 can be stably fixed in the cap 20, and the stability of electrical connection is further ensured.

Of course, the LED lamp electric connecting device can be used in a bulb lamp and a spot lamp besides a fluorescent lamp tube.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a LED lamp electric connector, includes lamp holder, circuit board and conductive terminal, and this conductive terminal is fixed in this lamp holder, and one end of this circuit board is equipped with the electrode and stretches into in this lamp holder, its characterized in that, this conductive terminal includes contact pin and insulating part, the contact pin is made by conducting material, and this insulating part is fixed in this lamp holder, the middle part of contact pin passes this insulating part and fixes on this insulating part, and the one end of above-mentioned contact pin is connected with this circuit board electricity, the other end of contact pin stretches out outside this lamp holder and is connected with external power electricity, and every contact pin includes stretch out the section, spacing section and the butt section of being connected with spacing section, and the terminal bending type of this butt section becomes the shell fragment, this shell fragment with the elastic butt of electrode, this spacing section clamps in this insulating part, should stretch out this insulating part and outside this lamp holder, and the middle part of this butt section is equipped with the fixed part, and the one end of this fixed part is connected with this spacing section, and the other end of this fixed part is connected with this shell fragment, and this fixed part bending type sets up relative this spacing section, is equipped with this spacing groove on this insulating part corresponding to this fixed part, and this fixed part is equipped with this spacing groove on this insulating part, and this fixed part is acceptd this fixed part, and this fixed part is acceptd in this fixed part.

2. The LED lamp electrical connection device according to claim 1, wherein the number of the contact pins is two, two electrodes are arranged on the circuit board corresponding to the contact pins, and the two contact pins are fixed on the insulating part at intervals.

3. The electrical connection device for the LED lamp according to claim 1, wherein the insulator has a through hole corresponding to the position-limiting section, the position-limiting section is received in the through hole, and an outward-protruding anti-falling barb is disposed on an outer wall of the extending section and corresponds to an outer wall of the insulator.

4. The LED lamp electrical connection device according to claim 3, wherein the contact pins are integrally made of a metal material, and the protruding section is curled to form a cylindrical shape.

5. The LED lamp electrical connection device according to claim 3, wherein the insulator is a block structure, the insulator is fixed on the inner side wall of the lamp holder, and the limiting groove is formed on the inner side wall of the insulator.

6. The LED lamp electrical connection device according to claim 1, wherein a slot is formed at a bottom of the insulating member, and one end of the circuit board is clamped in the slot.

7. The LED lamp electrical connection device according to claim 2, wherein the middle portion of the insulating member is provided with a projection projecting toward the circuit board, and the projection spaces the two contact pins.

8. The LED lamp electrical connection device according to claim 1, wherein the circuit board is provided with a driving element on an upper surface thereof, or the circuit board is provided with both the driving element and the LED light source.

9. The electrical connection device for LED lamps according to claim 1, wherein the insulator is a block structure, the insulator has a hook, the inner sidewall of the lamp cap has a fastening block, and the hook of the insulator is fastened to the fastening block of the lamp cap to fix the insulator on the inner sidewall of the lamp cap.