CN106851981A - An integrated LED spotlight - Google Patents

Abstract

The present invention relates to an integrated LED spotlight, comprising a driving board and a light source board, wherein the driving board and the light source board are formed by bending a flexible circuit board in one piece. The integrated LED spotlight of the present invention has the advantages of good heat dissipation effect, simplified operation, large-angle light emission, reduced LED cost, and realization of light-electric integration of the spotlight.

Description

An integrated LED spotlight

technical field

The invention relates to LED technology, in particular to an integrated LED spotlight.

Background technique

The existing LED lamps have many parts, so there is a problem of complicated structural assembly, and there is also the disadvantage of a small light-emitting angle.

The Chinese Utility Model Patent No. 201220749110.4 discloses an integrated LED spotlight, which includes an integrated lamp body. The integrated lamp body includes a lamp body main body, a light source, a light source pressure plate, and a driving device. It is fixed inside the main body of the lamp body, the light source is clamped on the light source pressing plate, and the driving device is connected with the light source pressing plate through a shrapnel. Since the above-mentioned integrated LED spotlight is connected by a solderless structure to the light source and the drive device, the assembly process is reduced and materials are saved at the same time.

The integrated LED spotlight of the above-mentioned patent still has many components, and the degree of integration is not high. At the same time, because of the defect of large thermal resistance when assembling different materials, the structure of the integrated LED spotlight in the prior art Improvements are still needed in terms of assembly and heat dissipation.

Contents of the invention

The technical problem to be solved by the present invention is to provide an integrated LED spotlight with simple assembly and good heat dissipation effect.

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:

An integrated LED spotlight includes a driving board and a light source board, and the driving board and the light source board are integrally formed by bending a flexible circuit board.

The beneficial effects of the present invention are:

Through the folding and bending of the flexible circuit board, an integrated drive board and light source board are formed, which can reduce the number of light-emitting parts used and has the advantage of simplifying assembly; at the same time, because the drive board and light source board are integrally bent and formed by the flexible circuit board, The defect of large thermal resistance when different materials are assembled can be avoided, and the heat dissipation effect can be improved.

Description of drawings

Fig. 1 is an exploded view of the overall structure of an integrated LED spotlight according to an embodiment of the present invention;

2 is a structural diagram of a driver board and a light source board of an integrated LED spotlight according to an embodiment of the present invention;

Fig. 3 is an overall structural diagram of an integrated LED spotlight according to an embodiment of the present invention;

Fig. 4 is a top view of an integrated LED spotlight according to an embodiment of the present invention;

Fig. 5 is the sectional view of A-A direction in Fig. 4;

Fig. 6 is a cross-sectional view along the line B-B in Fig. 4 .

Label description:

1. Drive board; 11. Drive terminal; 12. Broken line; 2. Light source board; 21. Light-emitting unit;

3. Lamp cup; 31. Support piece; 32. Gap; 4. Lens.

detailed description

In order to describe the technical content, achieved goals and effects of the present invention in detail, the following descriptions will be made in conjunction with the embodiments and accompanying drawings.

The key idea of the present invention is to use the drive board and the light source board to be integrally bent and formed from the flexible circuit board, so as to simplify the light-emitting parts and reduce the use of different materials.

1-6, an integrated LED spotlight includes a driving board 1 and a light source board 2, and the driving board 1 and the light source board 2 are integrally formed by bending a flexible circuit board.

As can be seen from the foregoing description, the beneficial effects of the present invention are:

Through the folding and bending of the flexible circuit board, an integrated drive board and light source board are formed, which can reduce the number of light-emitting parts used and has the advantage of simplifying assembly; at the same time, because the drive board and light source board are integrally bent and formed by the flexible circuit board, The defect of large thermal resistance when different materials are assembled can be avoided, and the heat dissipation effect can be improved.

Further, the driving board 1 extends outward from the surface to form the light source board 2 , and there is an included angle between the driving board 1 and the light source board 2 .

According to the above description, it can be seen that the drive board and the light source board are integrally bent and formed by the flexible circuit board, which means that the drive board and the light source board are bent from the same flexible circuit board. As a specific structural example, a flexible circuit board can be taken as the The driving board, the driving board extends outwards from its surface (that is, towards the direction away from the driving board) to form the light source board, a plurality of light emitting units can be arranged on the light source board, of course, the driving board can also have, for example, driving terminals etc. drive structure components. There is an included angle between the driving board and the light source board, which can be a right angle, an acute angle or an obtuse angle. Preferably, the driving board is vertically arranged with the light source board.

Further, the driving board 1 is respectively extended outward to form two light source boards 2 . The two light source boards 2 respectively extend outward from the two sides of the driving board 1 .

According to the above description, as a specific structural example, the number of light source boards can be two or more. Preferably, two light source boards can be designed, and the two light source boards can be arranged on opposite sides of the driving board, and Extending outward respectively, that is, two light source boards extending in opposite directions are formed on the surface of the driving board.

Further, the two light source boards 2 are close to each other.

Further, the driving board 1 is provided with a folding line 12 and is bent along the folding line 12 so that the two light source boards 2 are close to each other.

According to the above description, as a specific structural example, the two light source boards can be close to each other, specifically, the two light source boards can be close to each other by bending the driving board. More specifically, a folding line can be set on the driving plate, and the driving plate is bent along the folding line.

Further, the two light source boards 2 are respectively arranged on the same side of the driving board 1 and at both ends of the driving board 1, the folding line 12 is arranged in the middle of the driving board 1, and the driving board 1 is arranged along the folding line 12. Fold in half so that the two light source panels 2 are close to each other.

According to the above description, as a specific structural example, the folding line is set in the middle of the driving part, and the two light source boards respectively extend outward from the same side of the driving part, and the two light source boards are located on two opposite sides of the driving part. At the end position, the driving board is folded in half along the fold line in the middle, so that the two light source boards are close to each other. For example, the driving board is folded in half along the fold line in the middle until one end surface of the two light source boards is attached to each other.

Further, it also includes a lamp body, and the driving board 1 and the light source board 2 are respectively fixed on the lamp body.

Further, the lamp body includes a lamp cup 3 and a lens 4, the lamp cup 3 and the lens 4 are respectively hollow structures with an opening at the top, and the bottom of the lens 4 is set at the opening at the top of the lamp cup 3 .

According to the above description, it can be seen that as a specific structural example, it also includes a lamp cup and a lens, and the lamp cup and the lens can be partly integrally formed (for example, the half structure is integrally formed), so that the whole lamp consists of an integrally formed drive part and a light source board , and a partially integrally formed lamp cup and lens, which are composed of these two parts, can further reduce the number of optical components used. At the same time, the lens can be hollowed out to reduce the lens material, and the light can be refracted several times in the hollowed out place, which can increase the luminous angle of the spotlight; there is no separate lens, bulb, terminal and screw, and the use of fewer parts and lower cost Extremely low, compact structure; the entire lamp can be used as a heat sink, which can realize photoelectric integration and automatic production, and can effectively improve production efficiency.

Further, a support member 31 is provided on the inner wall of the hollow light cup 3 , and the edge of the light source board 2 is abutted against the support member 31 .

According to the above description, as a specific structural example, a support can be designed on the inner wall of the lamp cup, and the edge of the light source board can be placed against the support, so as to realize the fixing of the light source board and the lamp cup.

Further, the bottom of the lens 4 abuts against the light source board 2, so that the light source board is fixed between the support bar and the lens.

According to the above description, as a specific structural example, the bottom of the lens abuts against the light source plate, and then the light source plate can be clamped and positioned between the lens and the support bar to further ensure the lighting angle of the spotlight.

Further, the drive board 1 is extended with a drive terminal 11, the bottom of the lamp body is provided with an electrode end, and the electrode end is provided with a slit 32, and the drive terminal 11 is inserted into the slit 32 to connect with the electrode end. electrical connection.

According to the above description, as a specific structural example, the drive terminal can be formed by extending downward from the bottom of the drive board, and the drive terminal and the drive board are integrally formed to further reduce parts, and the drive terminal is inserted into the gap at the bottom of the lamp body to realize driving The electrical connection between the board and external components such as lamp holders.

Please refer to Fig. 1-6, embodiment one of the present invention is:

The integrated LED spotlight of this embodiment includes a driving board 1, a light source board 2, a lamp cup 3 and a lens 4. The square driving board 1 extends outwards respectively to form two semicircular light source boards 2, and the light source board 2 is provided with There are a plurality of light-emitting units 21, a folding line 12 is provided in the middle of the driving board 1, and two semicircular light source boards 2 are respectively arranged on the same side of the driving board 1 and at two ends of the driving board 1 to drive The board 1 is folded in half along the folding line 12 in the middle until the two semicircular light source boards 2 are put together. The lamp cup 3 and the lens 4 are hollow structures with an opening at the top respectively. The bottom of the lens 4 faces the lamp cup 3 and is arranged at the top opening of the lamp cup 3 . The lamp cup 3 and the lens 4 are partly integrally formed. The inner wall of the lamp cup 3 is provided with a support member 31, the edge of the semicircular light source board 2 is set on the support member 31, the bottom of the lens 4 is also set on the light source board 2, and the light source board 2 is positioned between the lens 4 and the light source board 2. Between the supports 31. There are two driving terminals 11 extending from the driving board 1 , a slot 32 is provided at the bottom of the lamp body, and the driving terminals 11 are inserted into the slot 32 .

In the integrated LED spotlight of this embodiment, on the one hand, the lens and the lamp cup (which can be used as a heat sink) are partly integrally formed. An integrally formed half lens and a lamp cup are formed, and then the left and right above-mentioned integrally formed half lenses and lamp cups are welded by ultrasonic waves. On the other hand, the light source board, the driver board and the driver terminal are also integrated into one by folding the FPC. The integrated LED spotlight of this embodiment is hollowed out at the lens to reduce the lens material, and the light can be refracted multiple times in the hollowed out place to realize a large light emitting angle of the spotlight; less parts are used to save material costs, and the assembly process is simplified. The realization of optoelectronic integration and automatic production makes the production efficiency high; compared with the existing LED lights, the light source board is stuck at the lens, which can reduce the thermal resistance between different materials, and at the same time dissipate heat through the lens to achieve a good heat dissipation effect. The lens is hollowed out, the center of the bottom of the lamp cup is slit, the driver board and the light source board are put into the lamp cup, and they are relatively fixed through the structural cooperation of the support, the lens and the gap, the drive terminal is stuck in the gap, and then the left and right halves pass through Ultrasonic welded together. The process is simple, the assembly steps are few, there is only one structural part, there is no separate lens, bulb, drive terminal and screw, the cost is extremely low, and the structure is compact; the entire lamp can be used as a heat sink, and it can also realize the integration of optoelectronics.

To sum up, the integrated LED spotlight provided by the present invention mainly consists of two parts integrally formed, which can overcome the defect of large thermal resistance in assembly of different materials, and has a good heat dissipation effect; the process is simple and convenient to operate; The spotlight emits light at a large angle; due to the use of fewer parts, the cost of LED can be reduced, and the integration of spotlight and electricity can be realized.

The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent transformations made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in related technical fields, are all included in the same principle. Within the scope of patent protection of the present invention.

Claims (11)

1. An integrated LED spotlight, comprising a driving board and a light source board, characterized in that the driving board and the light source board are integrally bent and formed by a flexible circuit board. 2 . The integrated LED spotlight according to claim 1 , wherein the driving board extends outward from the surface to form the light source board, and there is an angle between the driving board and the light source board. 3 . The integrated LED spotlight according to claim 2 , wherein the two light source boards respectively extend outward from both sides of the driving board. 4 . 4. The integrated LED spotlight according to claim 2, wherein the two light source boards are close to each other. 5 . The integrated LED spotlight according to claim 4 , wherein the driving board is provided with a folding line and is bent along the folding line so that the two light source boards are close to each other. 6. The integrated LED spotlight according to claim 5, wherein the two light source boards are respectively arranged on the same side of the driving board and at both ends of the driving board, and the folding line is arranged on the side of the driving board. In the middle part, the driving board is folded in half along the folding line, so that the two light source boards are close to each other. 7. The integrated LED spotlight according to any one of claims 1-6, further comprising a lamp body, the driving board and the light source board are respectively fixed on the lamp body. 8. The integrated LED spotlight according to claim 7, wherein the lamp body comprises a lamp cup and a lens, the lamp cup and the lens are respectively hollow structures with an opening at the top, and the bottom of the lens is provided at the opening at the top of the lamp cup. 9 . The integrated LED spotlight according to claim 8 , wherein a supporting member is provided on the inner wall of the hollow lamp cup, and the edge of the light source board abuts against the supporting member. 10 . The integrated LED spotlight according to claim 9 , wherein the bottom of the lens abuts against the light source board, so that the light source board is fixed between the support bar and the lens. 11 . 11. The integrated LED spotlight according to claim 10, characterized in that, a drive terminal is extended on the drive plate, an electrode terminal is provided at the bottom of the lamp body, and a gap is provided on the electrode terminal, and the The driving terminal is inserted into the slit to be electrically connected with the electrode terminal.