CN105042529A - Led lamp electric connection structure - Google Patents

Abstract

The utility model provides a LED lamp electric connection structure, including male terminal and female terminal, this male terminal is connected with outside power electricity, this female terminal sets up on the light source board of LED lamp and is connected with this light source board electricity, this female terminal includes butt plate and connects the first lateral wall in this butt plate one side, this first lateral wall sets up relatively this butt plate slope, the top of this first lateral wall is equipped with the shell fragment, this shell fragment is buckled the setting from the top of this first lateral wall towards this butt plate, during the equipment, this shell fragment elasticity ground butt is on this male terminal and take place elastic deformation and the bottom butt of this butt plate from this. The light source board is electrically connected with an external power supply through the arrangement of the male terminal and the female terminal. The female terminal adopts a curled structure and can contract to store force, so that the female terminal generates stronger elastic abutting force to the male terminal, and the LED lamp electric connection structure has the advantage of stable connection.

Description

LED lamp electrical connection structure

technical field

The invention relates to the field of LED lighting, in particular to an electrical connection structure of an LED lamp.

Background technique

LED light sources have the advantages of high luminous efficiency, low heat generation, power saving and long life, so their applications are becoming more and more extensive. LED lamps will gradually replace traditional lighting fixtures such as incandescent lamps and halogen lamps. Existing LED bulb lamps include a lamp holder, a power supply circuit board assembly, a light-emitting heat dissipation unit, and a lampshade. The connections between the lamp holder and the power supply circuit board assembly, and the power supply circuit board assembly and the light-emitting heat dissipation unit are all carried out by welding wires or directly pressing the wires with screws. electrical connection. Due to the small internal space of the lamp, the long wires are randomly inserted inside the lamp, which is prone to damage to the wires and loose welding points of the wires.

For example, the authorized announcement date is September 25, 2013, and the Chinese patent application number 201320131794.6 is a utility model named "Light Emitting Diode Bulb Lamp", which includes a lamp cap, and the lamp cap includes a lamp cap inner sleeve, a plurality of conductive shrapnel and an electrode For the connection unit, the conductive shrapnel is accommodated in the inner sleeve of the lamp cap, and the electrode connection unit is assembled under the inner sleeve of the lamp cap, and the electrical connection is realized by inserting and clamping the electrode connecting unit, the conductive shrapnel and the power input pin. This utility model realizes the electrical connection by using the connection mode of male and female terminals common in the prior art, but the assembly and production process of this connection mode are relatively cumbersome. Terminals with this structure have the risk of elastic failure and poor contact after repeated plugging and unplugging. How to design a terminal with low price and reliable performance has become the research direction of the industry.

Contents of the invention

In view of this, it is necessary to provide an LED lamp electrical connection structure with stable connection.

An electrical connection structure for an LED lamp, comprising a male terminal and a female terminal, the male terminal is electrically connected to an external power supply, the female terminal is arranged on a light source board of the LED lamp and is electrically connected to the light source board, and the female terminal includes an abutting plate and the first side wall connected to one side of the abutment plate, the first side wall is inclined relative to the abutment plate, and the top of the first side wall is provided with an elastic piece, and the elastic piece is formed from the top of the first side wall It is bent toward the abutment plate, and when assembled, the elastic piece elastically abuts on the male terminal and thereby elastically deforms to abut against the bottom of the abutment plate. .

Compared with the prior art, the electrical connection structure of the LED lamp is used to realize the electrical connection between the light source board and the external power supply by setting the male terminal and the female terminal. The female terminal is provided with the abutment plate, the first side wall and the elastic piece connected in sequence to form a curled structure. Due to the use of this curled structure, it can shrink and store force. The abutment against the bottom of the abutment plate effectively limits the degree of deformation of the shrapnel, so that the female terminal has a strong elastic abutment force against the male terminal, so that the electrical connection structure of the LED lamp has the advantage of stable connection.

Description of drawings

Fig. 1 is a perspective view of an electrical connection structure of an LED lamp according to a first embodiment of the present invention.

Fig. 2 is a sectional view along line A-A in Fig. 1 .

Fig. 3 is a perspective view of a female terminal in the electrical connection structure of the LED lamp shown in Fig. 1 .

Fig. 4 is a cross-sectional view of the electrical connection structure of the LED lamp according to the second embodiment of the present invention.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to FIG. 1 to FIG. 3 for the electrical connection structure of the LED lamp according to the first embodiment of the present invention.

Please refer to Fig. 1, Fig. 2 and Fig. 3, an electrical connection structure of an LED lamp, including a male terminal 40 and a female terminal 30, the male terminal 40 is electrically connected to an external power supply, and the female terminal 30 is arranged on the light source board of the LED lamp 20 and is electrically connected to the light source board 20. The female terminal 30 includes an abutment plate 31 and a first sidewall 32 connected to one side of the abutment plate 31 , the first sidewall 32 is inclined relative to the abutment plate 31 . In this embodiment, the female terminal 30 is integrally formed by bending metal material or other conductive materials, and the first side wall 32 is arranged vertically to the abutting portion 31 . The bottom of the first side wall 32 is provided with an elastic piece 33 , the elastic piece 33 is integrally bent from the bottom of the first side wall 32 toward the abutment plate 31 , and the elastic piece 33 is bent in a C shape relative to the abutment portion 31 structure. The elastic piece 33 is used to resiliently abut against the male terminal 40 so as to realize electrical connection with the male terminal 40 .

During assembly, the elastic piece 33 elastically abuts on the male terminal 40 and thus elastically deforms to abut against the bottom of the abutting plate 31 . Wherein, the abutting plate 31 is provided with an opening 35 corresponding to the elastic piece 33, and the opening 35 is mainly used to limit or give way to the male terminal 40, that is, to allow the male terminal 40 to pass through the opening 35. (as shown in FIG. 2 ), or the end of the male terminal 40 can abut against the opening 35 .

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , the female terminal 30 also includes a second side wall 36 disposed on the other side of the abutment plate 31 , and the second side wall 36 is symmetrically disposed on the first side wall 32 . The bottoms on both sides of the abutting portion form a "gate"-shaped structure (as shown in Figure 2). The second side wall 36 is provided with an elastic piece 33 corresponding to the elastic piece 33 of the first side wall 32, and the elastic piece 33 of the first side wall 32 is arranged symmetrically with the elastic piece 33 of the second side wall 36 and is elastically abutted against respectively. Two sides of the male terminal 40 . The bottoms of the first side wall 32 and the second side wall 36 are respectively provided with two conductive pins 34, and the female terminal 30 is welded on the light source board 20 through the conductive pins 34 and electrically connected with the light source board 20 (such as Figure 1).

By adding the second side wall 36 and the elastic piece 33 connected to the second side wall 36, the elastic piece 33 of the first side wall 32 and the elastic piece 33 of the second side wall 36 respectively elastically abut against the male terminal. 40 on both sides. On the one hand, the electrical connection contact point is increased to ensure the stability of the electrical connection; The male terminal 40 located between the two is subjected to strong clamping force, which further ensures the stability of the electrical connection.

Please refer to Fig. 1, Fig. 2 and Fig. 3, it also includes a driving board 10, the male terminal 40 is arranged on the driving board 10, the driving board 10 is located under the light source board 20, and the female terminal 30 is arranged on the light source board 20 , the light source board 20 is provided with a through hole 22 , the male terminal 40 passes through the through hole 22 and abuts against the elastic piece 33 of the female terminal 30 . In this embodiment, there are two male terminals 40 and two female terminals 30 , the male terminals 40 are arranged on the driving board 10 at intervals, and the male terminals 40 and the female terminals 30 are respectively electrically connected. The light source board 20 is arranged with a plurality of LED light sources arranged in a ring. Wherein, the driving board 10 may be placed vertically or horizontally, and the driving board 10 may also be provided with perforations according to the assembly requirements of the male terminals 40 for limiting or giving way.

During operation, the electrical connection structure of the LED lamp realizes the electrical connection between the light source board 20 and the external power supply by setting the male terminal 40 and the female terminal 30 . The female terminal 30 forms a crimped structure by being provided with the abutment plate 31 , the first side wall 32 and the elastic piece 33 which are connected in sequence. Due to the adoption of this crimped structure, it can shrink and store force, so that the elastic piece 33 is in contact with the male terminal 40 The abutment of the bottom of the abutment plate 31 can be obtained through deformation after the abutment, which effectively limits the degree of deformation of the elastic piece 33, so that the female terminal 30 has a strong elastic abutment force on the male terminal 40, so that The LED lamp electrical connection structure 100 has the advantage of stable connection. Of course, during assembly, the elastic piece 33 can further contact the first side wall 32 through deformation, so as to obtain the resistance of the first side wall 32 to the elastic piece 33, so as to enhance the overall elastic clamping force of the male terminal 40 .

Please refer to FIG. 4 for the electrical connection structure 100 a of the LED lamp according to the second embodiment of the present invention.

The difference between the LED lamp electrical connection structure 100 a and the first embodiment is that only one elastic piece 33 is provided on the female terminal 30 . The driving board 10 , the male terminal 40 is disposed on the driving board 10 , the driving board 10 is located under the light source board 20 , and the female terminal 30 is disposed on the bottom surface of the light source board 20 . One side of the top of the male terminal 40 abuts against the elastic piece 33 , and a middle part of the male terminal 40 abuts against the opening 35 .

By providing a first side wall 32 and an elastic piece 33 connected to the first side wall 32 , one side of the top of the male terminal 40 abuts against the elastic piece 33 to realize electrical connection. It can be seen that electrical connection can also be realized by only abutting on one side, which can simplify the structure of the female terminal 30 to a certain extent, and each has different advantages from the first embodiment, which can be selected according to specific needs. Arranging the female terminal 30 on the bottom surface of the light source board 20 can prevent too many components from gathering on the top of the light source board 20, reduce the influence on the luminous effect and heat dissipation effect of the LED light source, and improve the overall structure.

To sum up, the electrical connection structure of the LED lamp realizes the electrical connection between the light source board 20 and the external power source by providing the male terminal 40 and the female terminal 30 . The female terminal 30 is provided with the abutment plate 31 , the first side wall 32 and the elastic piece 33 connected in sequence to form a crimped structure, and the crimped structure contracts and stores force. Therefore, after the male terminal 40 is assembled into the female terminal 30 , the female terminal 30 has a strong elastic clamping effect on the male terminal 40 , so that the stability of the electrical connection relationship is high. By adding the second side wall 36 and the elastic piece 33 connected to the second side wall 36, the elastic piece 33 of the first side wall 32 and the elastic piece 33 of the second side wall 36 respectively elastically abut against the male terminal. 40 on both sides. On the one hand, the electrical connection contact point is increased to ensure the stability of the electrical connection; The male terminal 40 located in the middle is subjected to strong clamping force, which further ensures the stability of the electrical connection.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection.

Claims (10)

1. a LED electric connection structure, comprise male terminal and female terminal, this male terminal is connected with outside power electric, the light source board that this female terminal is arranged on LED is electrically connected with this light source board, it is characterized in that, this female terminal comprises the first side wall abutting plate and be connected to this abutting plate side, this the first side wall relatively this abutting plate is obliquely installed, the bottom of this first side wall is provided with shell fragment, this shell fragment is arranged towards the bending of this abutting plate from the bottom of this first side wall, during assembling, this shell fragment to be flexibly connected on this male terminal and elastic deformation abuts plate bottom with this occurs thus and abuts.

2. LED electric connection structure according to claim 1, is characterized in that: this abutting plate is provided with opening, and this male terminal flexibly abuts with this shell fragment through this opening.

3. LED electric connection structure according to claim 2, is characterized in that: this female terminal is only provided with a shell fragment, and the side at the top of this male terminal abuts with this shell fragment, and the middle part of this male terminal abuts with this opening.

4. LED electric connection structure according to claim 3, is characterized in that: also comprise drive plate, and this male terminal is arranged on this drive plate, and this drive plate is positioned at the below of this light source board, and this female terminal is arranged on the bottom surface of this light source board.

5. LED electric connection structure according to claim 1, it is characterized in that: this female terminal also comprises the second sidewall being arranged on this abutting plate opposite side, to the shell fragment of the first side wall being provided with shell fragment, the shell fragment flexible both sides being connected to this male terminal respectively of the shell fragment of this first side wall and this second sidewall on this second sidewall.

6. LED electric connection structure according to claim 1, is characterized in that: during assembling, and this shell fragment generation elastic deformation also abuts with this first side wall.

7. LED electric connection structure according to claim 5, is characterized in that: the bottom of this first side wall and this second sidewall is respectively equipped with two conductive feet, and this female terminal is welded on light source board by described conductive feet.

8. LED electric connection structure according to claim 1, it is characterized in that: also comprise drive plate, this male terminal is arranged on this drive plate, this drive plate is positioned at the below of this light source board, this female terminal is arranged on the end face of this light source board, this light source board is provided with perforation, and this male terminal abuts with the shell fragment of this female terminal through this perforation.

9. LED electric connection structure according to claim 1, is characterized in that: also comprise drive plate, and the quantity of this male terminal and female terminal is two, and described male terminal is arranged on this drive plate, and described male terminal is electrically connected respectively with female terminal.

10. LED electric connection structure according to claim 1, is characterized in that: this light source board circularizes arrangement and be provided with plurality of LEDs light source.