CN213403653U

CN213403653U - Alternating current-direct current bidirectional conversion circuit board

Info

Publication number: CN213403653U
Application number: CN202022706263.8U
Authority: CN
Inventors: 刘永兵
Original assignee: Shenzhen Yuxin Electronics Co ltd
Current assignee: Shenzhen Yuxin Electronics Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-06-08
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses an AC/DC bidirectional conversion circuit board, which comprises a main circuit board, wherein a fixing device is fixed on the upper surface of the main circuit board, a secondary circuit board is clamped in the fixing device, a reinforcing frame is fixed on the outer edge of the secondary circuit board, a plug is integrated on the lower surface of the secondary circuit board, a connector is integrated on the upper surface of the main circuit board, the plug is spliced with the connector, the secondary circuit board is electrically connected with the main circuit board through the plug and the connector, the fixing device comprises a fixing frame, a mounting groove, a first chute, a fixture block, a clamping groove, a first spring, a slideway, a driving lever and an unlocking device, a fixing frame is fixed on the upper surface of the main circuit board, the utility model can disassemble the circuit board integrated with the AC/DC conversion circuit with the main circuit board, so that people can replace the secondary circuit, and the fixing device is convenient for the installation and the disassembly of the secondary circuit board and the main circuit board, thereby being convenient for people to use.

Description

Alternating current-direct current bidirectional conversion circuit board

Technical Field

The utility model relates to a circuit board technical field specifically is a two-way transform circuit board of alternating current-direct current.

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 circuit board can be called as a printed circuit board or a printed circuit board, and the alternating current-direct current bidirectional conversion circuit board is a circuit board with an alternating current-direct current bidirectional conversion circuit, but most of the alternating current-direct current bidirectional conversion circuits in the existing alternating current-direct current bidirectional conversion circuit boards are integrated on the circuit board, and alternating current-direct current conversion power cannot be changed according to actual requirements, so that the adaptability is poor, and therefore the alternating current-direct current bidirectional conversion circuit board is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-way transform circuit board of alternating current-direct current to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a two-way transform circuit board of alternating current-direct current, includes main circuit board, main circuit board upper surface fixed surface has fixing device, the inside joint of fixing device has inferior circuit board, inferior circuit board outside edge is fixed with the enhancement frame, inferior circuit board lower surface integration has the plug, main circuit board upper surface integration has the joint, and the plug pegs graft with the joint, inferior circuit board passes through plug and joint and main circuit board electric connection.

Preferably, fixing device includes fixed frame, mounting groove, first spout, fixture block, draw-in groove, first spring, slide, driving lever and unlocking device, main circuit board upper surface is fixed with fixed frame, the mounting groove has been seted up at fixed frame inner wall top, and strengthens frame and mounting groove grafting, first spout has been seted up to mounting groove inner wall symmetry, first spout inner wall sliding connection has the fixture block, strengthen the frame outside symmetry and seted up the draw-in groove, and fixture block and draw-in groove joint, first spout inner wall is fixed with first spring, first spring one end and fixture block fixed connection, the slide has been seted up at first spout inner wall top, the fixture block top is fixed with the driving lever, and the driving lever passes the slide, fixing device is inside to be fixed with unlocking device.

Preferably, unlocking device includes second spout, unblock piece, slide opening, unblock pole, dovetail groove, spring groove, spacing ring and second spring, the second spout has been seted up to mounting groove inner wall bottom symmetry, second spout inner wall sliding connection has the unblock piece, the slide opening has been seted up to second spout inner wall one side, slide opening inner wall sliding connection has the unblock pole, the dovetail groove has been seted up to unblock piece one side, and unblock pole one end is located dovetail groove inner wall, the spring groove has been seted up to the slide opening inner wall, the one end that the unblock pole is close to the spring groove is fixed with the spacing ring, and spacing ring and spring inslot wall sliding connection, the one end outside cover that the unblock pole is close to the spacing ring is equipped with the second spring, second spring one end and spacing ring fixed connection, and the second spring other end and spring inslot wall fixed connection.

Preferably, one end of the fixture block is arranged in an inclined plane shape.

Preferably, a pressing plate is fixed at one end of the unlocking rod far from the unlocking block.

Preferably, handles are symmetrically fixed on the top of the reinforcing frame.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a circuit board that will integrate and have alternating current-direct current conversion circuit can be dismantled with main circuit board for people can change the inferior circuit board of different power at any time, are convenient for adapt to different service environment, and make things convenient for the installation and the dismantlement of inferior circuit board and main circuit board through fixing device, and the people of being convenient for use.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 2 is the schematic view of the sectional structure of the fixing device of the present invention.

In the figure: 1. a main circuit board; 2. a fixing device; 21. a fixing frame; 22. mounting grooves; 23. a first chute; 24. a clamping block; 25. a card slot; 26. a first spring; 27. a slideway; 28. a deflector rod; 29. an unlocking device; 291. a second chute; 292. unlocking the block; 293. a slide hole; 294. an unlocking lever; 295. a trapezoidal groove; 296. a spring slot; 297. a limiting ring; 298. a second spring; 3. a secondary circuit board; 4. a reinforcing frame; 5. a plug; 6. a joint; 7. pressing a plate; 8. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, an ac-dc bidirectional conversion circuit board shown in the figure includes a main circuit board 1, a fixing device 2 is fixed on the upper surface of the main circuit board 1, a secondary circuit board 3 is clamped inside the fixing device 2, a reinforcing frame 4 is fixed on the outer edge of the secondary circuit board 3, handles 8 are symmetrically fixed on the top of the reinforcing frame 4, a plug 5 is integrated on the lower surface of the secondary circuit board 3, a connector 6 is integrated on the upper surface of the main circuit board 1, the plug 5 is inserted into the connector 6, and the secondary circuit board 3 is electrically connected to the main circuit board 1 through the plug 5 and the connector 6.

Referring to fig. 2, the fixing device 2 includes a fixing frame 21, a mounting groove 22, a first sliding groove 23, a clamping block 24, a clamping groove 25, a first spring 26, a sliding rail 27, a shifting rod 28 and an unlocking device 29, the fixing frame 21 is fixed on the upper surface of the main circuit board 1, the mounting groove 22 is formed at the top of the inner wall of the fixing frame 21, the reinforcing frame 4 is inserted into the mounting groove 22, the first sliding groove 23 is symmetrically formed on the inner wall of the mounting groove 22, the clamping block 24 is slidably connected to the inner wall of the first sliding groove 23, one end of the clamping block 24 is arranged in an inclined plane shape, the clamping groove 25 is symmetrically formed at the outer side of the reinforcing frame 4, the clamping block 24 is clamped with the clamping groove 25, the first spring 26 is fixed on the inner wall of the first sliding groove 23, one end of the first spring 26 is fixedly connected with the clamping, and the driving lever 28 passes through the slideway 27, the inside of the fixing device 2 is fixed with the unlocking device 29, the reinforcing frame 4 on the secondary circuit board 3 is inserted into the mounting groove 22, then the reinforcing frame 4 is made to extrude the inclined surface of the clamping block 24, when the clamping groove 25 is coincided with the first sliding groove 23, the clamping block 24 is clamped into the clamping groove 25 under the elastic force of the first spring 26, and the mounting is completed.

Referring to fig. 2, the unlocking device 29 includes a second sliding groove 291, an unlocking block 292, a sliding hole 293, an unlocking rod 294, a trapezoidal groove 295, a spring groove 296, a limiting ring 297 and a second spring 298, the second sliding groove 291 is symmetrically formed at the bottom of the inner wall of the mounting groove 22, the unlocking block 292 is slidably connected to the inner wall of the second sliding groove 291, the sliding hole 293 is formed at one side of the inner wall of the second sliding groove 291, the unlocking rod 294 is slidably connected to the inner wall of the sliding hole 293, a pressing plate 7 is fixed at one end of the unlocking rod 294 far away from the unlocking block 292, the trapezoidal groove 295 is formed at one side of the unlocking block 292, one end of the unlocking rod 294 is located on the inner wall of the trapezoidal groove 295, the spring groove 296 is formed on the inner wall of the sliding hole 293, the limiting ring 297 is fixed at one end of the unlocking rod 294 close to the spring groove 296, the inner wall of the limiting ring 297 and the spring groove 296 are slidably, second spring 298 one end and spacing ring 297 fixed connection, and the second spring 298 other end and spring groove 296 inner wall fixed connection, people stir driving lever 28 through the thumb, and press clamp plate 7 through remaining finger, driving lever 28 can drive fixture block 24 and follow the roll-off in the draw-in groove 25, and press clamp plate 7 then can promote the unlocking lever 294 to slide, make unlocking lever 294 push up the inclined plane of the inside dovetail groove 295 of unlocking block 292, make unlocking block 292 upwards slide, make unlocking block 292 promote the slow upward movement of reinforcing frame 4, make plug 5 break away from with joint 6, and make reinforcing frame 4 upwards roll-off mounting groove 22 one end distance, people's accessible handle 8 takes off secondary circuit board 3 this moment.

The working principle is as follows:

when in use, the secondary circuit board 3 is fixed on the main circuit board 1 through the fixing device 2 and is electrically connected with the main circuit board 1 through the plug 5 and the joint 6, so that the secondary circuit board 3 can be disassembled and assembled with the main circuit board 1, an alternating current-direct current bidirectional conversion circuit, a rectifier, an inverter, a filter and the like are integrated in the secondary circuit board 3, which is a circuit for realizing alternating current-direct current conversion in the prior art, and no description is given here, during assembly, the reinforcing frame 4 on the secondary circuit board 3 is inserted into the mounting groove 22, then the reinforcing frame 4 is enabled to extrude the inclined plane of the fixture block 24, when the clamping groove 25 is overlapped with the first sliding groove 23, the fixture block 24 is clamped into the clamping groove 25 under the elastic force of the first spring 26, namely the assembly is completed, when people need to replace the secondary circuit board 3 with different powers, people stir the deflector rod 28 through the thumb, press the press pressing plate 7 through the rest fingers, and pressing clamp plate 7 and then can pushing unblock lever 294 to slide for unblock lever 294 pushes the inclined plane of the inside dovetail groove 295 of unblock piece 292, makes unblock piece 292 upwards slide, makes unblock piece 292 push reinforcing frame 4 slowly upward movement, makes plug 5 break away from with connecting 6, and makes reinforcing frame 4 upwards roll off mounting groove 22 one end distance, and people's accessible handle 8 takes off secondary circuit board 3 this moment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an alternating current-direct current bidirectional conversion circuit board, includes main circuit board (1), its characterized in that: the utility model discloses a circuit board, including main circuit board (1), fixing device (2) inside joint has inferior circuit board (3), inferior circuit board (3) outside edge is fixed with rib frame (4), inferior circuit board (3) lower surface integration has plug (5), main circuit board (1) upper surface integration has joint (6), and plug (5) pegs graft with joint (6), inferior circuit board (3) are through plug (5) and joint (6) and main circuit board (1) electric connection.

2. The ac-dc bidirectional conversion circuit board of claim 1, wherein: the fixing device (2) comprises a fixing frame (21), a mounting groove (22), a first sliding groove (23), a clamping block (24), a clamping groove (25), a first spring (26), a slide way (27), a shifting rod (28) and an unlocking device (29), wherein the fixing frame (21) is fixed on the upper surface of the main circuit board (1), the mounting groove (22) is formed in the top of the inner wall of the fixing frame (21), the reinforcing frame (4) is spliced with the mounting groove (22), the first sliding groove (23) is symmetrically formed in the inner wall of the mounting groove (22), the clamping block (24) is slidably connected to the inner wall of the first sliding groove (23), the clamping groove (25) is symmetrically formed in the outer side of the reinforcing frame (4), the clamping block (24) is clamped with the clamping groove (25), the first spring (26) is fixed on the inner wall of the first sliding groove (23), one end of the first, the top of the inner wall of the first sliding groove (23) is provided with a sliding rail (27), the top of the clamping block (24) is fixed with a shifting rod (28), the shifting rod (28) penetrates through the sliding rail (27), and an unlocking device (29) is fixed inside the fixing device (2).

3. The ac-dc bidirectional conversion circuit board of claim 2, wherein: unlocking device (29) includes second spout (291), unblock piece (292), slide opening (293), unblock pole (294), dovetail groove (295), spring groove (296), spacing ring (297) and second spring (298), second spout (291) has been seted up to mounting groove (22) inner wall bottom symmetry, second spout (291) inner wall sliding connection has unblock piece (292), slide opening (293) has been seted up to second spout (291) inner wall one side, slide opening (293) inner wall sliding connection has unblock pole (294), dovetail groove (295) has been seted up to unblock piece (292) one side, and unblock pole (294) one end is located dovetail groove (295) inner wall, spring groove (296) have been seted up to slide opening (293) inner wall, unblock pole (294) are close to the one end fixed spacing ring (297) of spring groove (296), and spacing ring (297) and spring groove (296) inner wall sliding connection, the one end outside cover that unblock pole (294) are close to spacing ring (297) is equipped with second spring (298), second spring (298) one end and spacing ring (297) fixed connection, and second spring (298) other end and spring groove (296) inner wall fixed connection.

4. The ac-dc bidirectional conversion circuit board of claim 2, wherein: one end of the clamping block (24) is arranged in an inclined plane shape.

5. The ac-dc bidirectional conversion circuit board of claim 3, wherein: and a pressing plate (7) is fixed at one end of the unlocking rod (294) far from the unlocking block (292).

6. The ac-dc bidirectional conversion circuit board of claim 1, wherein: handles (8) are symmetrically fixed at the top of the reinforcing frame (4).