CN216491643U

CN216491643U - Special circuit for LED drive control

Info

Publication number: CN216491643U
Application number: CN202123132358.4U
Authority: CN
Inventors: 胡灿波; 邓松青
Original assignee: Shenzhen Amdo Microelectronics Co ltd
Current assignee: Shenzhen Amdo Microelectronics Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-10
Anticipated expiration: 2031-12-14

Abstract

The utility model relates to the technical field of circuit board installation, in particular to a special LED drive control circuit, which comprises a shell, wherein the upper side of the shell is provided with a circuit board, four corners of the circuit board are fixedly connected with butt-jointed blocks, each butt-jointed block is provided with an inserting sleeve, the upper inner wall of the shell is fixedly connected with two mounting plates, each mounting plate is provided with a group of reverse moving components, and each group of reverse moving components is used for driving the two inserting sleeves to reversely move; the positions of the plug bushes are fixed, the purpose of fixing the circuit board is achieved, the mounting and dismounting are simple, when the two plug bushes are close to each other, the ratchet wheel can normally rotate, and when the two plug bushes are far away from each other, the spring pushes the pawl to block the ratchet wheel to rotate in the reverse direction, so that the circuit board cannot be loosened after the plug bushes clamp the circuit board, and the stability is high.

Description

Special circuit for LED drive control

Technical Field

The utility model relates to a circuit board installation technical field especially relates to a LED drive control dedicated circuit.

Background

The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. The flexible circuit board and the rigid circuit board are combined together according to relevant process requirements through procedures such as pressing and the like to form the circuit board with FPC (flexible printed circuit) characteristics and PCB (printed circuit board) characteristics.

The patent file who discloses the part has the circuit board in a poor light among the prior art, and application number is CN 202120452077.8's chinese patent, discloses a LED circuit board in a poor light, has LED circuit board main part in a poor light including shell (1), the installation of the both sides of LED circuit board main part in a poor light is provided with the installation fastener, the installation fastener includes that shell (1) has mounting plate, connecting plate and supports the clamp plate, mounting plate's plate body bottom one end splices and locates in the casing, two sets of symmetries of mounting plate's plate body upper portion one end fixedly connected with set up the cardboard that distributes and set up, the plate body of connecting plate is inserted and is established the plate body upper portion one end of joint in mounting plate.

The LED circuit board needs a plurality of screws for fixed installation, the LED circuit board is quite troublesome to install and disassemble, and the circuit board is close to the shell and poor in heat dissipation effect, so that the LED drive control special circuit is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a special circuit for LED drive control.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a special LED drive control circuit comprises a shell, wherein a circuit board is arranged on the upper side of the shell, butt-joint blocks are fixedly connected to four corners of the circuit board, each butt-joint block is provided with an insertion sleeve, the upper inner wall of the shell is fixedly connected with two mounting plates, each mounting plate is provided with a group of reverse moving assemblies, and each group of reverse moving assemblies is used for driving the two insertion sleeves to move reversely; during operation, promote the plug bush and drive the stock and remove, the stock drives the rack and removes, drive gear revolve, thereby drive opposite side plug bush antiport, make four butt joint pieces insert in four mounting grooves, then fix the position of plug bush, reach the purpose of fixed circuit board, fix the four corners of circuit board, drive ratchet during gear revolve, when two plug bushes are close to each other, the ratchet can normal rotation, when two plug bushes are kept away from each other, the spring promotes the pawl and blocks ratchet antiport, make the plug bush can not become flexible after pressing from both sides the circuit board tight, and stability is high.

Preferably, one side of each plug bush, which is close to the circuit board, is provided with a mounting groove, and each butt joint block is inserted into one mounting groove; during operation, insert four butt joint pieces in four mounting grooves, then fix the position of plug bush, reach the purpose of fixed circuit board, fix the four corners of circuit board, stability is high.

Preferably, each group of reverse movement assemblies comprises two long rods, two racks and a gear, the two long rods are fixedly connected to one side of the two plug bushes close to each other, the two racks are fixedly connected to the other ends of the two long rods, the gear is rotatably arranged on the upper side of the mounting plate, and the two racks are meshed with the gear; when the plug-in device works, the gear is positioned between the two racks, the plug bush is pushed to drive the long rod to move, the long rod drives the racks to move, the gear is driven to rotate, and therefore the plug bush on the other side is driven to move reversely.

Preferably, the upper end of each mounting plate is fixedly connected with two sliding sleeves, and each long rod is connected with one sliding sleeve in a sliding manner and extends towards two sides; when the sliding sleeve works, the long rod slides in the sliding sleeve, the sliding sleeve is utilized to limit the movement of the long rod, and the linear movement of the long rod is kept.

Preferably, the upper end of each mounting plate is rotatably connected with a ratchet wheel and a pawl, the gear is fixedly connected to the upper end of the mounting plate, the pawl is meshed with the ratchet wheel, a spring is fixedly connected between the pawl and the upper end of the mounting plate, and a shifting rod is fixedly connected to one side of the pawl; when the circuit board clamping mechanism works, the gear rotates to drive the ratchet to rotate, when the two plug bushes are close to each other, the ratchet can normally rotate, when the two plug bushes are far away from each other, the spring pushes the pawl to block the ratchet from reversely rotating, so that the circuit board can not be loosened after the plug bushes are clamped by the plug bushes, the stability is high, the driving lever is stirred, the driving lever drives the pawl to rotate, the pawl is separated from the ratchet, and the ratchet can reversely rotate at the moment.

Preferably, the upper inner wall of the shell is fixedly connected with an installation ring, an electric fan is installed in the installation ring, and the upper end of the installation ring is fixedly connected with a dust screen; during operation, the downside fretwork design of circuit board, the installation electric fan dispels the heat to the circuit board, strengthens the radiating effect effectively.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) promote the plug bush in this scheme and drive the stock and remove, the stock drives the rack and removes, drive gear revolve, thereby drive opposite side plug bush antiport, make four butt joint pieces insert in four mounting grooves, then fix the position of plug bush, reach fixed circuit board's purpose, the installation is dismantled simply, when two plug bushes are close to each other, the ratchet can normally rotate, when two plug bushes are kept away from each other, the spring promotes the pawl and blocks ratchet antiport, make the plug bush can not become flexible after pressing from both sides the circuit board tightly, and stability is high.

(2) The downside fretwork design of circuit board installs the electric fan and dispels the heat to the circuit board, strengthens the radiating effect effectively.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic bottom view of the present invention;

fig. 3 is a schematic diagram of the explosion structure of the present invention;

fig. 4 is a schematic structural view of the reverse moving assembly of the present invention.

In the figure: 1. a housing; 2. a circuit board; 3. a butt joint block; 4. mounting a plate; 5. inserting a sleeve; 6. mounting grooves; 7. a long rod; 8. a sliding sleeve; 9. a rack; 10. a gear; 11. a ratchet wheel; 12. a pawl; 13. a deflector rod; 14. a spring; 15. installing a ring; 16. an electric fan; 17. a dust screen.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-4, the LED driving control dedicated circuit includes a housing 1, a circuit board 2 is disposed on an upper side of the housing 1, butt-joint blocks 3 are fixedly connected to four corners of the circuit board 2, each butt-joint block 3 is provided with a plug bush 5, two mounting plates 4 are fixedly connected to an upper inner wall of the housing 1, each mounting plate 4 is provided with a set of reverse movement assemblies, and each set of reverse movement assemblies is used for driving the two plug bushes 5 to move in reverse directions; during operation, promote plug bush 5 and drive stock 7 and remove, stock 7 drives rack 9 and removes, it rotates to drive gear 10, thereby drive 5 reverse movements of opposite side plug bush, make four butt joint piece 3 insert in four mounting grooves 6, then fix the position of plug bush 5, reach fixed circuit board 2's purpose, fix the four corners of circuit board 2, drive ratchet 11 when gear 10 rotates and rotate, when two plug bushes 5 are close to each other, ratchet 11 can normal rotation, when two plug bushes 5 keep away from each other, spring 14 promotes pawl 12 and blocks 11 reverse rotations of ratchet, make plug bush 5 can not become flexible after pressing from both sides tightly circuit board 2, and stability is high.

Specifically, one side of each plug bush 5, which is close to the circuit board 2, is provided with a mounting groove 6, and each butt-joint block 3 is inserted into one of the mounting grooves 6; during operation, insert four butt joint piece 3 in four mounting grooves 6, then fix the position of plug bush 5, reach fixed circuit board 2's purpose, fix the four corners of circuit board 2, stability is high.

Specifically, each group of reverse moving assemblies comprises two long rods 7, two racks 9 and a gear 10, the two long rods 7 are fixedly connected to one side, close to the two plug bushes 5, of the two plug bushes 5, the two racks 9 are fixedly connected to the other ends of the two long rods 7, the gear 10 is rotatably arranged on the upper side of the mounting plate 4, and the two racks 9 are both meshed with the gear 10; during operation, the gear 10 is located between the two racks 9, the long rod 7 is driven by the push plug bush 5 to move, the rack 9 is driven by the long rod 7 to move, the gear 10 is driven to rotate, and therefore the plug bush 5 on the other side is driven to move reversely.

Specifically, the upper end of each mounting plate 4 is fixedly connected with two sliding sleeves 8, and each long rod 7 is connected with one sliding sleeve 8 in a sliding manner and extends towards two sides; when the sliding device works, the long rod 7 slides in the sliding sleeve 8, the sliding sleeve 8 is utilized to limit the long rod 7 to move, and the long rod 7 is kept to move linearly.

Specifically, the upper end of each mounting plate 4 is rotatably connected with a ratchet wheel 11 and a pawl 12, a gear 10 is fixedly connected to the upper end of the mounting plate 4, the pawl 12 is meshed with the ratchet wheel 11, a spring 14 is fixedly connected between the pawl 12 and the upper end of the mounting plate 4, and a shift lever 13 is fixedly connected to one side of the pawl 12; during operation, the gear 10 drives the ratchet wheel 11 to rotate when rotating, when two plug bushes 5 are close to each other, the ratchet wheel 11 can normally rotate, when two plug bushes 5 are far away from each other, the spring 14 pushes the pawl 12 to block the ratchet wheel 11 from reversely rotating, so that the circuit board 2 cannot loosen after the plug bushes 5 are clamped tightly, the stability is high, the shift lever 13 is stirred, the shift lever 13 drives the pawl 12 to rotate, the pawl 12 is separated from the ratchet wheel 11, and the ratchet wheel 11 can reversely rotate at the moment.

Specifically, the upper inner wall of the shell 1 is fixedly connected with a mounting ring 15, an electric fan 16 is arranged in the mounting ring 15, and the upper end of the mounting ring 15 is fixedly connected with a dust screen 17; during operation, the lower side of the circuit board 2 is hollowed, and the electric fan 16 is installed to dissipate heat of the circuit board 2, so that the heat dissipation effect is effectively enhanced.

The utility model discloses the theory of operation: promote plug bush 5 and drive stock 7 and remove, stock 7 drives rack 9 and removes, it rotates to drive gear 10, thereby drive 5 reverse movements of opposite side plug bush, make four butt joint piece 3 insert in four mounting grooves 6, then fix the position of plug bush 5, reach fixed circuit board 2's purpose, fix the four corners of circuit board 2, drive ratchet 11 when gear 10 rotates and rotate, when two plug bushes 5 are close to each other, ratchet 11 can normally rotate, when two plug bushes 5 keep away from each other, spring 14 promotes pawl 12 and blocks ratchet 11 reverse rotation, make plug bush 5 can not become flexible after pressing from both sides circuit board 2 tightly, and stability is high.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.

Claims

1. The utility model provides a LED drive control dedicated circuit, includes shell (1), its characterized in that, the upside of shell (1) is provided with circuit board (2), the equal fixedly connected with butt joint piece (3) of four corners department of circuit board (2), every all be provided with plug bush (5) on butt joint piece (3), two mounting panels (4) of the last inner wall fixedly connected with of shell (1), every all be provided with a set of reverse movement subassembly on mounting panel (4), every reverse movement subassembly of group is used for driving two plug bushes (5) reverse movement.

2. The special circuit for LED drive control according to claim 1, wherein one side of each plug bush (5) close to the circuit board (2) is provided with a mounting groove (6), and each butt-joint block (3) is inserted into one of the mounting grooves (6).

3. The special circuit for driving and controlling the LED according to claim 2, wherein each set of the reverse moving component comprises two long rods (7), two racks (9) and a gear (10), the two long rods (7) are fixedly connected to the side where the two plug bushes (5) are close to each other, the two racks (9) are fixedly connected to the other ends of the two long rods (7), the gear (10) is rotatably arranged on the upper side of the mounting plate (4), and the two racks (9) are both meshed with the gear (10).

4. The special LED drive control circuit according to claim 3, wherein two sliding sleeves (8) are fixedly connected to the upper end of each mounting plate (4), and each long rod (7) is slidably connected to one of the sliding sleeves (8) and extends towards two sides.

5. The LED drive control special circuit according to claim 4, wherein the upper end of each mounting plate (4) is rotatably connected with a ratchet wheel (11) and a pawl (12), the gear (10) is fixedly connected with the upper end of the mounting plate (4), the pawl (12) is meshed with the ratchet wheel (11), a spring (14) is fixedly connected between the pawl (12) and the upper end of the mounting plate (4), and a driving lever (13) is fixedly connected to one side of the pawl (12).

6. The LED drive control special circuit according to claim 5, characterized in that a mounting ring (15) is fixedly connected to the upper inner wall of the housing (1), an electric fan (16) is installed in the mounting ring (15), and a dust screen (17) is fixedly connected to the upper end of the mounting ring (15).