CN218452950U

CN218452950U - Fixing device for testing high-frequency switching power supply

Info

Publication number: CN218452950U
Application number: CN202222664337.5U
Authority: CN
Inventors: 李居尚; 战荫泽; 李鹏; 程姬皓
Original assignee: Changchun College of Electronic Technology
Current assignee: Changchun College of Electronic Technology
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-02-07
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a fixing device for high frequency switching power supply test, which comprises a table, desk fixedly connected with pinion rack, pinion rack sliding connection has the chassis, chassis fixedly connected with mounting bracket, the mounting bracket left side is rotated and is connected with gear shaft b, the mounting bracket right side is rotated and is connected with gear shaft a, the card frame is installed to the desk both sides, card frame buckle is connected with the roof, the attenuator is installed to the roof both sides, desk fixed surface is connected with the back plate, desk sliding connection has the curb plate, curb plate fixedly connected with diaphragm, the diaphragm bottom is rotated and is connected with the commentaries on classics board, the commentaries on classics board rotates and is connected with the slider, slider threaded connection has the screw rod. The top frame and the side frame are matched to fix the position of the high-frequency switch power supply, so that the test is convenient; the rotary disc can be rotated to adjust the overall height of the table, and the use is convenient.

Description

Fixing device for testing high-frequency switching power supply

Technical Field

The utility model relates to a fixing device is used in test of high frequency switching power supply specifically is a fixing device is used in test of high frequency switching power supply belongs to power electronics technical field.

Background

In the application of power electronic technology and various power supply systems, the switching power supply technology is in the core position, a high-frequency switching power supply works at a high frequency through an MOSFET (metal-oxide-semiconductor field effect transistor) or an IGBT (insulated gate bipolar transistor), the switching frequency is generally controlled within the range of 50-100kHz, the size and the weight of the high-frequency switching power supply technology are greatly reduced, the utilization efficiency of the power supply can be greatly improved, materials are saved, and the cost is reduced.

The prior art power electronics have the following disadvantages: 1. the position is not fixed in the testing process of the high-frequency switching power supply, and the high-frequency switching power supply is easy to damage in the testing process; 2. the high-frequency switching power supply is placed on a table top for testing during testing, the height of an existing table is fixed, the existing table cannot be adjusted according to needs, and the table is inconvenient to use, so that the problem is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the above problems and provide a fixing device for high frequency switching power supply test, wherein the top frame and the side frame are matched to fix the position of the high frequency switching power supply, thereby facilitating the test; the rotary disc can be rotated to adjust the overall height of the table, and the use is convenient.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a fixing device is used in test of high frequency switching power supply, which comprises a table, desk fixedly connected with pinion rack, pinion rack sliding connection has the chassis, chassis fixedly connected with mounting bracket, the mounting bracket left side is rotated and is connected with gear shaft b, the mounting bracket right side is rotated and is connected with gear shaft a, the card frame is installed to the desk both sides, card frame buckle is connected with the roof, the attenuator is installed to the roof both sides, desk fixed surface is connected with the back plate, desk sliding connection has the curb plate, curb plate fixedly connected with diaphragm, the diaphragm bottom is rotated and is connected with the commentaries on classics board, the commentaries on classics board rotates and is connected with the slider, slider threaded connection has the screw rod.

Preferably, the mounting bracket is rotatably connected with a gear shaft c, the gear shaft c is provided with a turntable, and the turntable is located on the outer side of the mounting bracket.

Preferably, the gear shaft c is connected with an adjusting wheel c in a meshed mode, and the adjusting wheel c is connected with a gear shaft a through belt transmission.

Preferably, the left side of the gear shaft c is connected with an adjusting wheel b in a meshed mode, and the adjusting wheel b is connected with an adjusting wheel a in a meshed mode.

Preferably, the adjusting wheel a is connected with a gear shaft b through a belt in a transmission manner, and the gear shaft a and the gear shaft b are both connected with toothed plates in a meshing manner.

Preferably, the underframe is connected with a toothed plate through bolt threads, and the bottom end of the table is fixedly connected with a box body.

Preferably, a screw rod is installed in the box body, and the transverse plate is connected with the box body in a sliding mode.

Preferably, a table is installed at the bottom end of the damper, and a spring is connected to the outer side of the damper in a surrounding manner.

The utility model has the advantages that:

1. the top frame and the side frame are matched to fix the position of the high-frequency switching power supply, so that the testing is convenient; when a high-frequency switching power supply is tested, the high-frequency switching power supply is placed on the surface of a table, the position of the high-frequency switching power supply is adjusted to enable the rear end of the high-frequency switching power supply to be attached to a rear plate fixed on the table, the position of the rear plate can be fixed, the position of the high-frequency switching power supply is adjusted according to the position of a side plate on the table top to enable the high-frequency switching power supply to be located behind the inner sides of the side plates on the two sides, a screw rod on a box body is rotated to drive sliding blocks on the two sides to slide inwards along the screw rod, the sliding blocks are continuously close to each other, the top end of each sliding block is rotatably connected with the corresponding rotating plate, the top end of each rotating plate is rotatably connected with the bottom of the corresponding transverse plate, the side plates are fixed on the two sides of the high-frequency switching power supply in a sliding mode, the top plate is continuously moved downwards to compress a damper and a spring installed at the bottom end of the transverse plate, the top plate is continuously moved downwards to be attached to a clamping frame fixed on the table, the outer side of the clamping frame after the inclined plane of the clamping frame is attached to the clamping frame, the inclined plane of the clamping frame is continuously moved downwards to be separated from the clamping frame, and the clamping frame is further fixed on the table top plate, and the table top plate, the high-frequency switching power supply, and the table top plate, the table top plate can be conveniently, and the table top plate, and the table can be further fixed on the table.

2. The rotary disc can be rotated to adjust the overall height of the table, so that the table is convenient to use; when the height of the table is required to be increased, the bolts on the underframe on two sides of the table are unscrewed, the bolts are rotated to enable the bolts to move outwards to be separated from toothed plates on the inner side of the underframe, after separation, a turntable on the mounting rack is rotated, the turntable rotates to drive a connected gear shaft c to rotate clockwise, the left side of the gear shaft c is meshed with a regulating wheel b, the right side of the gear shaft c is meshed with a rightmost gear shaft a through a belt, the gear shaft c rotates clockwise to drive the right regulating wheel c to rotate anticlockwise, the gear shaft a connected with the belt is driven to rotate anticlockwise simultaneously, the gear shaft a is meshed with the right toothed plate and can drive the gear to move upwards along the underframe, the gear shaft c rotates to drive a left regulating wheel b to rotate anticlockwise, the regulating wheel b left side is meshed with a regulating wheel a and is connected with the leftmost gear shaft b through the belt, the regulating wheel b rotates to drive the connected regulating wheel a to rotate clockwise, the gear shaft b is driven to rotate simultaneously, the gear shaft b is meshed with the left toothed plate, the left side toothed plate can drive the left side toothed plate to move upwards along the underframe, the turntable synchronously by continuous rotation, the bolts after the bolts are screwed up to enable the bolts to pass through the proper height of the regulating plate, the toothed plates to be fastened, the position of the turntable can be integrally rotated, and the table, and the height of the table can be increased, and the height of the table, and the entire table can be convenient for integrally rotating table, and the height of the table, and the table can be integrally rotate the table, and the height of the table, and the table can be convenient for the table, and the table can be used for integrally rotate.

Drawings

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

fig. 2 is a cross-sectional view of the inventive chassis;

FIG. 3 is a schematic view of a partially sectioned structure of the box body of the present invention;

fig. 4 is a schematic view of the buckle structure of the top plate of the present invention.

In the figure: 1. a table; 2. a clamping frame; 3. a top plate; 4. a back plate; 5. a box body; 6. a damper; 7. a mounting frame; 8. a toothed plate; 9. a gear shaft a; 10. a bolt; 11. a chassis; 12. a turntable; 13. a gear shaft b; 14. an adjusting wheel a; 15. an adjusting wheel b; 16. a gear shaft c; 17. an adjustment wheel c; 18. a spring; 19. a side plate; 20. a screw; 21. a slider; 22. rotating the plate; 23. a transverse plate.

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.

Embodiment 1 please refer to fig. 1-4, a fixing device for testing a high-frequency switching power supply comprises a table 1, the table 1 is fixedly connected with a toothed plate 8, the toothed plate 8 is fixed on two sides of the bottom end of the table 1, the toothed plate 8 is slidably connected with a bottom frame 11, the toothed plate 8 can slide up and down along the bottom frame 11, the bottom frame 11 is fixedly connected with a mounting frame 7, the mounting frame 7 is fixed on the inner sides of the bottom frames 11 on two sides, the left side of the mounting frame 7 is rotatably connected with a gear shaft b13, the gear shaft b13 can rotate on the left side of the mounting frame 7, the right side of the mounting frame 7 is rotatably connected with a gear shaft a9, the gear shaft a9 rotates on the right side of the mounting frame 7, clamping frames 2 are installed on two sides of the table 1, the table 1 can fix the positions of the clamping frames 2, the clamping frames 2 are connected with a top plate 3 in a buckling manner, the clamping frames 2 have certain elasticity, and can restore the original shape after deformation, dampers 6 are installed on two sides of the

top plate

3, 3 bottom bonds of roof has the rubber pad, can protect high frequency switching power supply, 1 fixed surface of desk is connected with back plate 4, and back plate 4 fixes at desk rear slightly, can fix the position at high frequency switching power supply rear, 1 sliding connection of desk has

curb plate

19, and 1 top-to-bottom slip of desk can be followed to

curb plate

19, 19 fixed surface of curb plate has diaphragm 23, and diaphragm 23 removes the curb plate 19 that drives the connection and removes, diaphragm 23 bottom is rotated and is connected with commentaries on classics board 22, changes board 22 top and can wind the certain angle of diaphragm 23 rotation, commentaries on classics board 22 rotates and is connected with slider 21, changes board 22 bottom and can wind the certain angle of slider 21 rotation, slider 21 threaded connection has screw rod 20, and opposite screw thread has been seted up on the surface of screw rod 20, and screw rod 20 rotates the slider 21 that can drive both sides and keeps away from each other or is close to each other.

Specifically, the mounting rack 7 is rotatably connected with a gear shaft c16, the gear shaft c16 rotates in the middle of the mounting rack 7, the gear shaft c16 is provided with a turntable 12, the turntable 12 is located outside the mounting rack 7, and the turntable 12 outside the rotating mounting rack 7 can drive the connected gear shaft c16 to rotate.

Particularly, gear shaft c16 left side meshing is connected with regulating wheel b15, and regulating wheel a14, regulating wheel b15, regulating wheel c17 are all install the gear in the pivot and the gear size is unanimous with gear size on the gear shaft c, regulating wheel b15 meshing is connected with regulating wheel a14, and gear shaft c16 rotates and drives the regulating wheel b15 rotation of connecting, and regulating wheel b15 rotates and drives the regulating wheel a14 rotation of connecting.

Specifically, the adjusting wheel a14 is connected with a gear shaft b13 through belt transmission, the adjusting wheel a14 rotates the gear shaft b13 that drives the belt to connect and rotates, gear shaft a9 and gear shaft b13 all mesh and are connected with the pinion rack 8, and gear shaft a9 and gear shaft b13 rotate and can drive the pinion rack 8 of desk 1 both sides synchronous upward movement.

Specifically, chassis 11 has pinion rack 8 through bolt 10 threaded connection, and the position of pinion rack 8 can be fixed after bolt 10 is rotatory to pass chassis 11 and

pinion rack

8, 1 bottom fixedly connected with box 5 of desk, the position of box 5 can be fixed to desk 1.

Specifically, a screw 20 is installed in the box 5, the screw 20 rotates in the box 5, the box 5 is slidably connected to the transverse plate 23, and the transverse plate 23 can slide up and down in the box 5.

Specifically, the table 1 is installed at the bottom end of the damper 6, the damper 6 is located between the top plate 3 and the table 1 and can play a damping role, and the spring 18 is connected around the outer side of the damper 6.

Example 2: referring to fig. 2, the difference between the present embodiment and embodiment 1 is: the gear shaft c16 is connected with an adjusting wheel c17 in a meshed mode, the gear shaft c16 rotates to drive the connected adjusting wheel c17 to rotate, the adjusting wheel c17 is connected with a gear shaft a9 through belt transmission, and the adjusting wheel c17 rotates to drive the gear shaft a9 connected with a belt to rotate.

When the utility model is used, when the height of the desk 1 is to be increased, the bolts 10 on the bottom frames 11 at two sides of the desk 1 are unscrewed, the bolts 10 are rotated to make the bolts move outwards to be separated from the toothed plates 8 at the inner sides of the bottom frames 11, the turnplate 12 on the mounting frame 7 is rotated after separation, the turnplate 12 is rotated to drive the connected gear shaft c16 to rotate clockwise, the left side of the gear shaft c16 is meshed with the adjusting wheel b15, the right side of the gear shaft c16 is meshed with the adjusting wheel c17, the adjusting wheel c17 is connected with the rightmost gear shaft a9 through a belt, the gear shaft c16 rotates clockwise to drive the right adjusting wheel c17 to rotate anticlockwise, the gear shaft a9 connected with the belt is driven to rotate anticlockwise, the gear shaft a9 is meshed with the right toothed plate 8 to drive the gear shaft to move upwards along the bottom frames 11, the gear shaft c16 rotates to drive the left adjusting wheel b15 to rotate anticlockwise, the left side of the adjusting wheel b15 is meshed with the adjusting wheel a14, the adjusting wheel a14 is connected with the leftmost gear shaft b13 through the belt, the adjusting wheel b15 rotates clockwise, meanwhile, a gear shaft b13 connected with a belt is driven to rotate clockwise, the gear shaft b13 is meshed with a left toothed plate 8, the left toothed plate 8 can be driven to move upwards along an underframe 11, a rotary table 12 is continuously rotated to drive toothed plates 8 on two sides of a table 1 to move upwards synchronously, a bolt 10 is screwed after the rotary table is moved to a proper height and penetrates through the toothed plates 8, the position of the toothed plates 8 can be fixed, so that the overall height of the table 1 is increased, otherwise, the rotary table 12 can be rotated reversely to drive the toothed plates 8 to move downwards along the underframe 11, the overall height of the table 1 is reduced, the rotary table 12 can be rotated as required to adjust the height of the table 1, the high-frequency switching power supply is placed on the surface of the table 1 when being tested, the position of the high-frequency switching power supply is adjusted to enable the rear end of the high-frequency switching power supply to be attached to a rear plate 4 fixed on the table 1, the position of the rear plate 4 of the table can be fixed, and the position of the high-frequency switching power supply is adjusted according to enable the position of a side plate 19 on the table top to enable the high-frequency switching power supply to be located on the inner side plate 19 of the side of the table 1 After that, the screw 20 on the box 5 is rotated, the screw 20 rotates to drive the sliding blocks 21 on both sides to slide inwards along the screw 20, the sliding blocks 21 are continuously close to each other, the top end of the sliding block 21 is rotatably connected with the rotating plate 22, the top end of the rotating plate 22 is rotatably connected with the bottom of the transverse plate 23, the sliding blocks 21 continuously move inwards to drive the rotating plate 22 to rotate and simultaneously push the transverse plate 23 to slide upwards along the box 5, the side plates 19 are fixed on both sides of the transverse plate 23, the transverse plate 23 moves upwards to drive the connected side plates 19 to slide upwards to be clamped on both sides of the high-frequency switching power supply, so that both sides of the high-frequency switching power supply can be fixed, after the left side and the rear side of the high-frequency switching power supply are fixed, the top plate 3 above is pressed, the top plate 3 continuously moves downwards to compress the damper 6 and the spring 18 installed at the bottom end, the top plate 3 continuously moves downwards to be attached to the clamping frame 2 fixed on the table 1, the top plate 3 continuously moves downwards to be separated from the clamping frame 2 under the self-elastic effect, at this time, the top plate 3 is fixed to the high-frequency switching power supply, so that the top end of the table can be further tested, and the table can be conveniently tested.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a fixing device is used in test of high frequency switching power supply, includes desk (1), its characterized in that: desk (1) fixedly connected with pinion rack (8), pinion rack (8) sliding connection has chassis (11), chassis (11) fixedly connected with mounting bracket (7), mounting bracket (7) left side is rotated and is connected with gear shaft b (13), mounting bracket (7) right side is rotated and is connected with gear shaft a (9), card frame (2) are installed to desk (1) both sides, card frame (2) buckle is connected with roof (3), attenuator (6) are installed to roof (3) both sides, desk (1) fixed surface is connected with back plate (4), desk (1) sliding connection has curb plate (19), curb plate (19) fixedly connected with diaphragm (23), diaphragm (23) bottom is rotated and is connected with commentaries on classics board (22), commentaries on classics board (22) are rotated and are connected with slider (21), slider (21) threaded connection has screw rod (20).

2. The fixing device for testing the high-frequency switching power supply according to claim 1, wherein: the mounting bracket (7) is rotatably connected with a gear shaft c (16), a turntable (12) is installed on the gear shaft c (16), and the turntable (12) is located on the outer side of the mounting bracket (7).

3. The fixing device for testing the high-frequency switching power supply according to claim 2, wherein: the gear shaft c (16) is connected with an adjusting wheel c (17) in a meshing manner, and the adjusting wheel c (17) is connected with a gear shaft a (9) through belt transmission.

4. The fixing device for testing the high-frequency switching power supply according to claim 3, wherein: the left side of the gear shaft c (16) is connected with an adjusting wheel b (15) in a meshed mode, and the adjusting wheel b (15) is connected with an adjusting wheel a (14) in a meshed mode.

5. The fixing device for testing the high-frequency switching power supply according to claim 4, wherein: the adjusting wheel a (14) is connected with a gear shaft b (13) through belt transmission, and the gear shaft a (9) and the gear shaft b (13) are both connected with a toothed plate (8) in a meshed mode.

6. The fixing device for testing the high-frequency switching power supply according to claim 1, wherein: underframe (11) has pinion rack (8) through bolt (10) threaded connection, desk (1) bottom fixedly connected with box (5).

7. The fixing device for testing the high-frequency switching power supply according to claim 6, wherein: a screw rod (20) is installed in the box body (5), and the transverse plate (23) is connected with the box body (5) in a sliding mode.

8. The fixing device for testing the high-frequency switching power supply according to claim 1, wherein: desk (1) is installed to attenuator (6) bottom, attenuator (6) outside encircles and is connected with spring (18).