CN203147664U - Electrical connector and LED lamp adopting same - Google Patents

Abstract

An electrical connector and an LED lamp using the electrical connector are disclosed. The electrical connector is used for electrical connection between a light source substrate and a driver board of the LED lamp. It includes an input terminal and an output terminal. The LED lamp includes a driver board and a light source substrate. The output terminal is disposed on the driver board of the LED lamp. The light source substrate has a fixing hole corresponding to the input terminal. The input terminal is fixed in the fixing hole of the light source substrate and electrically connected to the light source substrate. The output terminal includes two contacts, one end of which is electrically connected to the driver board. The input terminal includes two connectors, each corresponding to one of the two contacts. One end of each connector is electrically connected to the light source substrate. During assembly, the two contacts of the output terminal are respectively inserted into the two connectors corresponding to the input terminal, and the two connectors elastically abut against the two contacts. This electrical connector has the advantage of facilitating automated assembly.

Description

Electric connector and LED lamp using the same

technical field

The utility model relates to a conductive structure and a lighting fixture using the conductive structure, in particular to an electrical connector and an LED lamp using the electrical connector. the

Background technique

In traditional LED lighting lamps, the wires are drawn out from the driving circuit board and electrically connected to the light source substrate through the end face of the lamp cap, so as to supply power to the LED chips on the light source substrate. For example, the Chinese utility model patent application with the publication date of November 28, 2012 and the application number 201210276961.6 discloses a convection heat dissipation LED light bulb. on the LED. The driving circuit is respectively welded to the electrode terminals of the heat conduction column through the two lead wires drawn from it, so as to realize the power supply for the LED on the outer wall of the heat conduction column. the

However, since the wire is a flexible conductive material, the two ends of the wire must be soldered to the driving circuit board and the heat conduction column respectively through manual work during the production and assembly process. This makes it impossible for the LED light bulb to be fully automated in the production process. the

Utility model content

In view of this, it is necessary to provide an electrical connector with a simple structure suitable for automatic assembly and an LED lamp using the electrical connector. the

One of the technical solutions adopted by the utility model is: an electrical connector for the electrical connection between the light source substrate and the drive board of the LED lamp, which includes input terminals and output terminals, and the LED lamp includes the drive board and the light source substrate , the output terminal is arranged on the driving board of the LED lamp, the light source substrate is provided with a fixing hole corresponding to the input terminal, the input terminal is fixed in the fixing hole of the light source substrate and is electrically connected with the light source substrate, and the output terminal includes Two contacts, one end of the two contacts are respectively electrically connected to the drive board, the input terminal includes two connectors, the two connectors are respectively set corresponding to the two contacts, the two One end of the connector is respectively electrically connected to the light source substrate. During assembly, the two contacts of the output terminal are respectively inserted into the two corresponding connectors of the input terminal, and the two connectors elastically abut against the two connectors respectively. the two contacts. the

The second technical solution adopted by the utility model is: an LED lamp, including an electrical connector, which is used for the electrical connection between the light source substrate and the drive board of the LED lamp, and includes an input terminal and an output terminal. The LED lamp includes a driving board and a light source substrate, the output terminal is arranged on the driving board of the LED lamp, the light source substrate is provided with a fixing hole corresponding to the input terminal, and the input terminal is fixed in the fixing hole of the light source substrate and connected to the light source The substrate is electrically connected, the output terminal includes two contacts, and one end of the two contacts is respectively electrically connected to the drive board, the input terminal includes two connectors, and the two connectors respectively correspond to the two The contacts are arranged, and one end of the two connectors is respectively electrically connected to the light source substrate. When assembling, the two contacts of the output terminal are respectively inserted into the two connectors corresponding to the input terminal. The connecting head elastically abuts against the two contacts respectively, and the driving board is axially fixed on the bottom of the light source substrate. the

Compared with the prior art, the LED lamp uses the electrical connector to electrically connect the driving board to the light source substrate. The electrical connector includes an input terminal and an output terminal, the input terminal is arranged on the light source substrate of the LED lamp and is electrically connected to the light source substrate through the two connectors of the input terminal; the two contacts of the output terminal are respectively connected to the The driving board is electrically connected. During assembly, the two contacts of the output terminal are respectively inserted into the connection head of the input terminal, and the connection head elastically clamps the two contacts. Since the electrical connection process of the input terminal and the output terminal is completely through mechanical connection, manual threading and welding are not required, which makes it possible to insert the drive board into the light source substrate in the axial direction when the LED lamp is assembled. In the input terminal, so as to complete the electrical connection between the two without welding, so that automatic production can be realized. the

Description of drawings

Fig. 1 is a three-dimensional exploded view of the first embodiment of the LED lamp using the electrical connector of the present invention. the

Fig. 2 is a front view of the assembled LED lamp shown in Fig. 1 . the

Fig. 3 is a sectional view along line A-A in Fig. 2 . the

Fig. 4 is a partially enlarged view of part B shown in Fig. 3 . the

Fig. 5 is a top view of the LED lamp in Fig. 1 with the lampshade removed. the

Explanation of reference signs:

100 LED lights 326 shrapnel

10 Bulb shell 3262 Clamping end

20 Light source substrate 3264 Conductive terminal

22 Fixed hole 34 Output terminal

24 LED light source 342 contacts

26 Electrode 3422 Snap-in part

30 Electrical Connector 344 Support Sleeve

32 Input terminal 3442 Through hole

322 Insulation shell 346 Positioning post

324 Jack 40 Driver Board

3242 Clipping area 42 Positioning hole

3244 Connected Area 50 Lamp Holder

Detailed ways

The utility model is elaborated below by specific embodiment:

Fig. 1 is a three-dimensional exploded view of the electrical connector and the LED lamp using the electrical connector according to the first embodiment of the present invention. The LED lamp 100 includes a bulb housing 10, a light source substrate 20, an electrical connector 30, a driver plate 40 and a lamp cap 50. The bulb shell 10 is covered on the light source substrate 20 . The light source substrate 20 is disposed on the end surface of the lamp holder 50 . The driving board 40 is disposed inside the lamp holder 50 , and the driving board 40 is electrically connected to the light source substrate 20 through the electrical connecting member 30 . the

Please refer to FIG. 1 , FIG. 3 and FIG. 4 , the electrical connector 30 includes an input terminal 32 and an output terminal 34 . The input terminal 32 includes an insulating shell 322 , two sockets 324 and two connectors. The insulating shell 322 is made of plastic material. The insulating shell 322 has a square structure. The two insertion holes 324 are arranged side by side at the center of the end face of the insulating housing 322 . Each jack 324 is in the shape of an "I". Each insertion hole 324 includes two engagement areas 3242 and a communication area 3244 , the two engagement areas 3242 are respectively disposed at two ends of the insertion hole 324 , and communicate with each other through the communication area 3244 . Each connecting head is composed of two elastic pieces 326, and each elastic piece 326 is integrally formed of conductive metal, and the conductive metal material can be spring steel, copper sheet and the like. Each elastic piece 326 includes a conductive end 3262 and a clamping end 3264. The conductive end 3262 passes through the insulating shell 322 of the input terminal 32 and is electrically connected to the electrode of the light source substrate 322. The clamping end 3264 has a V-shaped structure. . The conductive end 3262 of each elastic piece 326 is clamped in the clamping area 3242 of the socket 324, the clamping end 3264 of each elastic piece 326 extends to the connecting area 3244, and the clamping end 3264 of the elastic piece 326 of each connector In the connecting area 3244, two pairs are opposite and resist each other. the

Please refer to FIG. 1 , the light source substrate 20 includes a fixing hole 22 , a plurality of LED light sources 24 and four electrodes 26 . The fixing hole 22 corresponds to the insulating shell 322 of the input terminal 32 and is disposed in the center of the light source substrate 20, and the insulating shell 322 is accommodated in the fixing block. The LED light sources 24 are arranged in an equiangular circle around the fixing hole 22 . The electrodes 26 corresponding to the conductive ends 3264 of the input terminals 32 are disposed outside two opposite sides of the fixing hole 22 . The smallest inner diameter surrounded by these LED light sources 24 is greater than the largest outer diameter surrounded by these electrodes 26 . The conductive ends 3264 of the input terminals 32 are respectively soldered to the four electrodes 26 of the light source substrate 20 . The insulating shell 322 of the input terminal 32 is embedded in the fixing hole 22 of the light source substrate, so that the LED light sources 24 on the light source substrate 20 are arranged in an equiangular circle around the input terminal 32 . the

Please refer to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , the output terminal 34 of the electrical connector 30 includes two contacts 342 , a support sleeve 344 , and two positioning columns 346 . The two contacts 342 are L-shaped metal pins, and the middle of the two contacts 342 is provided with a locking part. The clamping portion is a square structure. The support sleeve 344 is made of insulating material. The end surface of the support sleeve 344 is provided with a through hole corresponding to the fastening portion of the contacts 342 . The contacts 342 are fixed in the supporting sleeve 344 by inserting the engaging portion into the through hole. After assembly, the two ends of the contacts 342 protrude out of the support sleeve 344 respectively. The two positioning posts 346 are disposed on one side of the support sleeve 344 . The directions of the two positioning posts 346 are perpendicular to the through hole 3442 of the support sleeve 344 . the

Please refer to FIG. 1 , the driving board 40 includes two electrodes and two positioning holes 42 . These two electrodes are arranged at one edge of the driving board 40 . The two positioning holes 42 are disposed on the driving board 40 corresponding to the positioning posts 346 of the output terminals 34 . The output terminal 34 inserts the positioning post 346 into the positioning hole 42 of the driving board 40 , so that one end of the contact 342 of the output terminal 34 is positioned with the electrodes on the driving board 40 respectively. One end of the contact 342 of the output terminal 34 is welded on the electrode of the driving board 40 . the

Please refer to FIG. 5 , during assembly, the output terminal 34 of the driving board 40 is axially inserted into the input terminal 32 of the light source substrate 20 from the interior of the lamp cap 50 , so that the clamping end 3262 of the input terminal 32 is inserted from both sides. Two opposite directions elastically clamp the contact 342 of the output terminal 34 to form a contact electrical connection. the

In summary, the LED lamp 100 uses the electrical connector 30 to electrically connect the driving board 40 to the light source substrate 20 . The electrical connector 30 includes an input terminal 32 and an output terminal 34, the input terminal 32 is arranged on the light source substrate 20 of the LED lamp 100 and is electrically connected to the light source substrate 20 through the two connectors of the input terminal 32; the output The two contacts 342 of the terminal 34 are respectively electrically connected to the driving board 40 . During assembly, the two contacts 342 of the output terminal 34 are respectively inserted into the connection head of the input terminal 32 , and the connection head elastically clamps the two contacts 342 . Since the input terminal 32 and the output terminal 34 are made of rigid materials, the electrical connection process is completely through mechanical connection, without the need for manual threading and welding, which makes it possible to set the driver board when the LED lamp 100 is assembled. The output terminal 34 of 40 is axially inserted into the input terminal 32 of the light source substrate 20, so as to complete the electrical connection between the two without welding, so that automatic production can be realized. In addition, the input terminal 32 is also provided with an insulating shell 322 , and the insulating shell 322 is provided with an insertion hole 324 . The clamping end 3262 of the elastic piece 326 of the input terminal 32 is clamped in the socket 324, thereby being fixed on the insulating shell 322, and passing through the socket 324 in the connecting area 3244 of the socket 324 facing each other. and resist each other, which makes the two resisting clamping ends 3262 arranged inside the insulating shell 322, so that the electrical connection state can be protected when clamping the contact 342 of the output terminal 34, so that the electrical connector Work is more stable. Even if the LED lamp 100 is shaken, the contacts 342 can still be clamped elastically, so as to ensure a stable electrical connection. Further, the output terminal 34 is provided with a positioning column 346, the top side of the driving board 40 is provided with electrodes and a support sleeve 344 is provided corresponding to the output terminal 34, and the support sleeve 344 is used to protect the elongated contact 342 from Bending deformation occurs. Two positioning posts 346 are disposed on the support sleeve 344 . The side wall of the driving board 40 is provided with positioning holes 42 corresponding to these positioning columns 346, so that the support sleeve 344 of the output terminal 34 is inserted into the corresponding positioning holes 42 through these positioning columns 346 so that the contact of the output terminal 34 One end of the head 342 can be positioned with the electrodes of the driving board 40 so as to facilitate one-time soldering by wave soldering or reflow soldering in automatic production. the

In addition, the input terminal of the electrical connector may only use one elastic piece as a connector. The shrapnel includes a conductive end and a clamping end, the clamping end has a V-shaped structure, the input terminal also includes two "T"-shaped jacks, each jack includes a clamping area and a connecting area, the The clamping end of the elastic piece is clamped in the clamping area of the insertion hole, and extends through the insertion hole to the communication area, and abuts against the inner wall of the insertion hole. One end of the V-shaped clamping end of the connector is connected to the conductive end, and the other end elastically abuts against the contact 342 of the output terminal 34 to achieve a stable electrical connection. The electric connection in this way can reduce the material used and the production cost, and at the same time make the structure of the electric connecting piece simpler. the

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present utility model shall include Within the protection scope of the utility model. the

Claims (10)

1. An electrical connector, used for the electrical connection between the light source substrate and the driver board of the LED lamp, which includes an input terminal and an output terminal, the LED lamp includes a driver board and a light source substrate, and is characterized in that: the output terminal is set On the drive board of the LED lamp, the light source substrate is provided with a fixing hole corresponding to the input terminal, the input terminal is fixed in the fixing hole of the light source substrate and is electrically connected with the light source substrate, and the output terminal includes two contacts, One ends of the two contacts are respectively electrically connected to the drive board, the input terminal includes two connectors, and the two connectors are respectively arranged corresponding to the two contacts, and one ends of the two connectors are respectively It is electrically connected with the light source substrate. During assembly, the two contacts of the output terminal are respectively inserted into the two connectors corresponding to the input terminal, and the two connectors elastically abut the two contacts respectively. . the 2. The electrical connector according to claim 1, wherein each connector is composed of two shrapnels, the shrapnels are integrally formed of conductive metal, and each shrapnel includes a conductive end and a clamping end, The conductive end is electrically connected to the electrode of the light source substrate, and the clamping end has a V-shaped structure. the 3. The electrical connector according to claim 2, wherein the input terminal further comprises an insulating shell and two jacks, the insulating shell is accommodated in the fixing hole, and the two jacks are arranged in the insulating shell Each socket includes two clamping areas and a connecting area, the conductive end of each elastic piece is clamped in the clamping area of the socket, and the clamping ends of the elastic plates are opposite to each other in the connecting area set up. the 4. The electrical connector according to claim 3, characterized in that: the jack is an "I"-shaped structure. the 5. The electrical connector according to claim 1, characterized in that: each connector is composed of a shrapnel, the shrapnel is integrally formed of conductive metal, the shrapnel includes a conductive end and a clamping end, the clamping end It is a V-shaped structure, and the clamping end elastically abuts against the contact. the 6. The electrical connector according to claim 1, wherein the light source substrate further comprises an electrode, and the conductive end of the electrode corresponding to the input terminal is arranged outside the fixing hole, and the conductive ends of the input terminal are welded respectively on the electrodes. the 7. The electrical connector according to claim 1 or 5, characterized in that: the output terminal further includes a support sleeve, the contact of the output terminal is an L-shaped metal pin, and the contact is inserted into the support sleeve , the support sleeve is fixed on the drive plate. the 8. The electrical connector according to claim 7, characterized in that: the middle part of the contact is also provided with a clamping part, and the supporting sleeve is provided with a through hole corresponding to the clamping part, and the contact passes through the clamping part. The connecting part is inserted in the through hole so as to be fixed in the supporting sleeve. the 9. An LED lamp using the electrical connector according to any one of claims 1 to 8, characterized in that: the driving board is axially fixed on the bottom of the light source substrate. the 10 . The LED lamp according to claim 9 , further comprising a plurality of LED light sources arranged in an equiangular circle around the input terminals provided on the light source substrate. 11 . the

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