CN212111635U - Testing clamp for bare board of switching power supply - Google Patents
Testing clamp for bare board of switching power supply Download PDFInfo
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- CN212111635U CN212111635U CN202020467446.6U CN202020467446U CN212111635U CN 212111635 U CN212111635 U CN 212111635U CN 202020467446 U CN202020467446 U CN 202020467446U CN 212111635 U CN212111635 U CN 212111635U
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Abstract
The utility model discloses a naked board test fixture of switching power supply, include: the base comprises a top plate and a bottom wall movably connected with the top plate, and the top plate and the bottom wall jointly enclose an accommodating space; the connecting assembly is arranged on the top plate and comprises a mounting plate arranged in parallel with the top plate, a plurality of pins which are perpendicular to the top plate and fixedly connected with the mounting plate and a driving device detachably connected with the mounting plate; the fixing component is arranged on the top plate and comprises a first clamping wall and a second clamping wall which are arranged in parallel at intervals, and the first clamping wall, the second clamping wall and pins clamp the bare board of the switching power supply to be tested together; and the test circuit is arranged in the accommodating space and is connected with the bare board of the switching power supply to be tested through pins. Compared with the prior art, the utility model provides a naked board test fixture of switch area energy, simple structure is reasonable, the centre gripping is stable and can be used for the different specification products of centre gripping.
Description
Technical Field
The utility model belongs to switching power supply test field, concretely relates to naked board test fixture of switching power supply.
Background
The bare board test is a necessary link in the production process of the switching power supply product to ensure the electrifying performance of the switching power supply bare board, namely to ensure that the performance of the tested switching power supply bare board, such as functional specification, protection characteristic, safety regulation, electromagnetic compatibility, reliability and the like, meets the requirements.
However, in the prior art, when a switching power supply bare board is tested, the clamp of the prior art can only clamp and position the switching power supply bare board of one specification, and when a production unit needs to produce shovels of different specifications, only one set of clamp can be designed additionally, so that resource waste is caused.
Therefore, there is a need to provide a new testing fixture for bare boards of switching power supplies, which has a simple and reasonable structure, is stable in clamping, and can be used for clamping products of different specifications to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a simple structure is reasonable, the centre gripping is stable and can be used for the naked board test fixture of switching power supply of the different specification products of centre gripping.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a switch power supply bare board test fixture is used for carrying out power-on performance test on a switch power supply bare board, and comprises:
the base comprises a top plate and a bottom wall movably connected with the top plate, and the top plate and the bottom wall jointly enclose an accommodating space;
the connecting assembly is arranged on the top plate and comprises a mounting plate, a plurality of pins and a driving device, wherein the mounting plate is arranged in parallel with the top plate, the pins are perpendicular to the top plate and fixedly connected with the mounting plate, and the driving device is detachably connected with the mounting plate;
the fixing component is arranged on the top plate and comprises a first clamping wall and a second clamping wall which are arranged in parallel at intervals, and the first clamping wall, the second clamping wall and the pins clamp the bare board of the switching power supply to be tested together;
and the test circuit is arranged in the accommodating space and is connected with the bare board of the switching power supply to be tested through the pins.
Preferably, the top plate comprises a plate body portion and a strip-shaped groove group which is arranged in a penetrating mode along the thickness direction of the plate body portion, the strip-shaped groove group comprises a plurality of first strip-shaped grooves which are arranged in a relatively parallel mode at intervals and a plurality of second strip-shaped grooves which are arranged in a relatively parallel mode at intervals, the number of the first strip-shaped grooves is equal to that of the second strip-shaped grooves, the first strip-shaped grooves and the second strip-shaped grooves are located on the same straight line, the first clamping wall is movably connected with the top plate through the plurality of first strip-shaped grooves, and the second clamping wall is movably connected with the top plate through the plurality of second strip-shaped grooves.
Preferably, the strip-shaped groove group further comprises a third strip-shaped groove perpendicular to the first strip-shaped groove and the second strip-shaped groove, and the third strip-shaped groove is located at one end of the arrangement direction of the plurality of first strip-shaped grooves and the plurality of second strip-shaped grooves.
Preferably, the first chuck wall includes a first surface far away from the top plate, a second surface vertically bent and extended from one end of the first surface close to the second chuck wall to a direction close to the top plate, and a third surface vertically bent and extended from the second surface continuously to a direction close to the second chuck wall, the second chuck wall includes a fourth surface far away from the top plate, a fifth surface vertically bent and extended from one end of the fourth surface close to the first chuck wall to a direction close to the top plate, and a sixth surface vertically bent and extended from the fifth surface continuously to a direction close to the first chuck wall, and the third surface and the sixth surface are in the same plane.
Preferably, the second clip wall further comprises a third clip wall vertically bent and extended from one end of the second clip wall far away from the third strip-shaped groove to the direction close to the first clip wall.
Preferably, the driving device comprises a bracket arranged on one side of the fixing assembly far away from the third strip-shaped groove, a cylinder arranged on the bracket and a fixing plate fixedly connected with the cylinder, and the fixing plate is parallel to and detachably connected with the mounting plate.
Preferably, the fixing plate and the mounting plate are fixed through screws.
Preferably, the bottom wall comprises a bottom plate and a side plate, the bottom plate is opposite to the top plate, the side plate is connected with the bottom plate, and the top plate is connected with the side plate through a hinge buckle.
Preferably, the test device further comprises a display device electrically connected with the test circuit.
To sum up, compare with prior art, the utility model discloses following beneficial effect has: the first clamping wall, the second clamping wall and the pins are arranged to clamp the bare board of the switching power supply to be tested together, so that the structure is simple and reasonable, and the clamping is stable; the first strip-shaped groove and the second strip-shaped groove are arranged, so that the distance between the first clamping wall and the second clamping wall can be adjusted, and tests can be provided for to-be-tested switch power supply bare boards with different specifications; through setting up predeterminedly the third bar groove, when the bare board of switching power supply that awaits measuring needs further fixed or when fixing a position, can pass through corresponding part's installation is carried out to the third bar groove.
Drawings
Fig. 1 is a schematic perspective view of a testing fixture for a bare board of a switching power supply according to the present invention;
fig. 2 is a schematic perspective view of another angle of the testing fixture for a bare board of a switching power supply according to the present invention;
fig. 3 is an exploded schematic view of a three-dimensional structure of a testing fixture for a bare board of a switching power supply provided by the present invention;
FIG. 4 is an enlarged view of a portion A of the bare board test fixture of the switching power supply shown in FIG. 1;
FIG. 5 is an enlarged view of a portion B of the bare board test fixture of the switching power supply shown in FIG. 1;
fig. 6 is an enlarged view of a portion C of the bare board test fixture for switching power supply shown in fig. 3.
In the figure, 100, a switch power supply bare board test fixture; 10. a substrate; 11. a top plate; 111. a plate body portion; 112. a strip-shaped groove group; 1121. a first bar-shaped groove; 1122. a second strip groove; 1123. a third strip groove; 12. a bottom wall; 121. a base plate; 122. a side plate; 20. a connecting assembly; 21. mounting a plate; 22. a stitch; 23. a drive device; 231. a support; 232. a cylinder; 233. a fixing plate; 30. a fixing assembly; 31. a first chuck wall; 311. a first surface; 312. a second surface; 313. a third surface; 32. a second chuck wall; 321. a fourth surface; 322. a fifth surface; 323. a sixth surface; 324. a third chuck wall; 200. a switching power supply bare board; 201. a PCB board; 202. a base element; 203. and a terminal.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples. The following experimental examples and examples are intended to further illustrate but not limit the invention.
Referring to fig. 1 to fig. 6, the present invention provides a testing fixture 100 for testing a bare board 200 of a switching power supply, which is used for testing the power-on performance of the bare board of the switching power supply. The bare board 200 is a panel of the PCB 201 with the basic element 202 and the terminal 203 mounted thereon.
Specifically, the bare board testing fixture 100 includes a substrate 10, a connecting assembly 20, a fixing assembly 30, a testing circuit (not shown), and a display device (not shown).
The base 10 includes a top plate 11 and a bottom wall 12 movably connected to the top plate 11. Wherein, the top plate 11 and the bottom wall 12 together enclose a receiving space.
Preferably, the top plate 11 includes a plate portion 111 and a strip groove group 112 penetrating through the plate portion 111 in a thickness direction. The strip-shaped groove group 112 includes a plurality of first strip-shaped grooves 1121 arranged in parallel at intervals, a plurality of second strip-shaped grooves 1122 arranged in parallel at intervals, and a third strip-shaped groove 1123 perpendicular to the first strip-shaped grooves 1121 and the second strip-shaped grooves 1122.
The number of the first bar-shaped grooves 1121 is the same as the number of the second bar-shaped grooves 1122, one first bar-shaped groove 1121 and one second bar-shaped groove 1122 are located on the same straight line, and the third bar-shaped groove 1123 is located at one end of the arrangement direction of the plurality of first bar-shaped grooves 1121 and the plurality of second bar-shaped grooves 1122.
The bottom wall 12 includes a bottom plate 121 disposed opposite to the top plate 11, and a side plate 122 connecting the bottom plate 121 and the top plate 11. The top plate 11 and the side plate 122 are connected through hinge buckles. Through setting up the hinge is detained, works as when switching power supply bare board test fixture 100 breaks down, can pass through the hinge is detained will roof 11 is opened, and is right switching power supply bare board test fixture 100 maintains.
The connecting assembly 20 and the fixing assembly 30 are both mounted on the top plate 11.
Specifically, the connecting assembly 20 includes a mounting plate 21 disposed in parallel with the top plate 11, a plurality of pins 22 perpendicular to the top plate 11 and fixedly connected to the mounting plate 21, and a driving device 23 detachably connected to the mounting plate 21. The driving device 23 drives the mounting plate 21 to move toward or away from the top plate 11, so as to drive the pins 22 to move toward or away from the top plate 11.
Specifically, the driving device 23 includes a bracket 231 disposed on a side of the fixing assembly 30 away from the third strip-shaped groove 1123, an air cylinder 232 mounted on the bracket 231, and a fixing plate 233 fixedly connected to the air cylinder 232. The fixing plate 233 is parallel to and detachably connected to the mounting plate 21.
It should be noted that, the utility model discloses it is right the specification, the shape of mounting panel 21 and stitch 22's quantity all does not do the injecing, mounting panel 21's shape reaches stitch 22's quantity can carry out corresponding change according to the shape specification of the bare board 200 of switching power supply that awaits measuring, all is within the protection scope of the utility model.
Preferably, the fixing plate 233 and the mounting plate 21 are fixed by screws.
The fixing assembly 30 includes a first clamping wall 31 and a second clamping wall 32 disposed in parallel and spaced apart from each other. The first clamping wall 31, the second clamping wall 32 and the pins 22 clamp the bare board 200 to be tested.
The first clipping wall 31 is movably connected to the top plate 11 through a plurality of first strip-shaped grooves 1121, and the second clipping wall 32 is movably connected to the top plate 11 through a plurality of second strip-shaped grooves 1122. Through the arrangement of the movable connection between the first clipping wall 31 and the second clipping wall 32, the distance between the first clipping wall 31 and the second clipping wall 32 is adjustable, so as to adapt to the to-be-tested switching power supply bare board 200 with different specifications.
Specifically, the first clipping wall 31 includes a first surface 311 away from the top plate 11, a second surface 312 extending from the first surface 311 near one end of the second clipping wall 32 to the direction near the top plate 11 in a vertical bending manner, and a third surface 313 extending from the second surface 312 to the direction near the second clipping wall 32 in a vertical bending manner.
The second clipping wall 32 includes a fourth surface 321 away from the top plate 11, a fifth surface 322 bent and extended vertically from the end of the fourth surface 321 close to the first clipping wall 31 to the direction close to the top plate 11, and a sixth surface 323 bent and extended vertically from the fifth surface 322 to the direction continuing to close to the first clipping wall 31. Wherein the third surface 313 and the sixth surface 323 are in the same plane.
Preferably, the second clipping wall 32 further includes a third clipping wall 324 extending from one end of the third clipping wall away from the third strip-shaped groove 1123 to the direction close to the first clipping wall 31. The first clamping wall 31, the second clamping wall 32 and the third clamping wall 324 are used for positioning and fixing the switch power supply bare board 200 to be tested in the horizontal direction, and then the pins 22 are used for pressing the switch power supply bare board 200 to be tested, so that the switch power supply bare board 200 can be positioned and fixed. Meanwhile, when the first clamping wall 31, the second clamping wall 32 and the third clamping wall 324 are insufficient to position the switching power supply bare board 200 to be tested, further clamping and fixing can be performed by adding parts in the third strip-shaped groove 1123.
The test circuit is arranged in the accommodating space and is connected with the switching power supply bare board 200 to be tested through the pins 22.
The display device 50 is electrically connected to the test circuit. Through setting up display device 50, visual with the test result to realize rejecting the technological effect of bad product fast.
The utility model provides a switching power supply bare board test fixture 100's use flow as follows:
step S10, connecting, namely connecting the pin 22 with the test circuit through a conducting wire, and connecting the display device with the test circuit through a conducting wire;
step S20, debugging and installing, namely adjusting the positions of the first clamping wall 31 and the second clamping wall 32 by tightening or loosening screws, so that the distance between the first clamping wall 31 and the second clamping wall is matched with the width of the bare board 200 of the switching power supply to be tested, and then the bare board 200 of the switching power supply to be tested is installed;
step S30, the fixing plate 233 is driven by the cylinder 232 to move in a direction close to the top plate 11, so as to drive the pins 22 to press the connection terminals 203, and after the connection, the test circuit tests the power-on performance of the bare switching power supply board 200 and sends the test result to the display device for displaying.
Compared with the prior art, the utility model discloses following beneficial effect has: the first clamping wall, the second clamping wall and the pins are arranged to clamp the bare board of the switching power supply to be tested together, so that the structure is simple and reasonable, and the clamping is stable; the first strip-shaped groove and the second strip-shaped groove are arranged, so that the distance between the first clamping wall and the second clamping wall can be adjusted, and tests can be provided for to-be-tested switch power supply bare boards with different specifications; through setting up predeterminedly the third bar groove, when the bare board of switching power supply that awaits measuring needs further fixed or when fixing a position, can pass through corresponding part's installation is carried out to the third bar groove.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should be construed as the scope of the present invention.
Claims (9)
1. The utility model provides a naked board test fixture of switching power supply for carry out circular telegram capability test to the naked board of switching power supply, its characterized in that includes:
the base comprises a top plate and a bottom wall movably connected with the top plate, and the top plate and the bottom wall jointly enclose an accommodating space;
the connecting assembly is arranged on the top plate and comprises a mounting plate, a plurality of pins and a driving device, wherein the mounting plate is arranged in parallel with the top plate, the pins are perpendicular to the top plate and fixedly connected with the mounting plate, and the driving device is detachably connected with the mounting plate;
the fixing component is arranged on the top plate and comprises a first clamping wall and a second clamping wall which are arranged in parallel at intervals, and the first clamping wall, the second clamping wall and the pins clamp the bare board of the switching power supply to be tested together;
and the test circuit is arranged in the accommodating space and is connected with the bare board of the switching power supply to be tested through the pins.
2. The bare board testing fixture according to claim 1, wherein the top board comprises a board body and a set of bar-shaped slots extending through the board body in a thickness direction thereof, the set of bar-shaped slots comprises a plurality of first bar-shaped slots and a plurality of second bar-shaped slots, the first bar-shaped slots and the second bar-shaped slots are arranged in parallel and spaced apart, the number of the first bar-shaped slots is equal to the number of the second bar-shaped slots, one first bar-shaped slot and one second bar-shaped slot are located on the same straight line, the first clamping wall is movably connected to the top board through the plurality of first bar-shaped slots, and the second clamping wall is movably connected to the top board through the plurality of second bar-shaped slots.
3. The bare board testing fixture according to claim 2, wherein the set of stripe-shaped slots further comprises a third stripe-shaped slot perpendicular to the first stripe-shaped slot and the second stripe-shaped slot, the third stripe-shaped slot being located at one end of the arrangement direction of the first stripe-shaped slots and the second stripe-shaped slots.
4. The bare board testing fixture according to claim 3, wherein the first wall includes a first surface far from the top board, a second surface vertically bent and extended from an end of the first surface close to the second wall toward the top board, and a third surface vertically bent and extended from the second surface continuously toward the second wall, the second wall includes a fourth surface far from the top board, a fifth surface vertically bent and extended from an end of the fourth surface close to the first wall toward the top board, and a sixth surface vertically bent and extended from the fifth surface continuously toward the first wall, and the third surface and the sixth surface are in the same plane.
5. The bare board test fixture according to claim 4, wherein the second chuck wall further comprises a third chuck wall vertically bent and extended from an end of the second chuck wall away from the third strip-shaped groove toward a direction close to the first chuck wall.
6. The bare board testing fixture according to claim 3, wherein the driving device comprises a bracket disposed on a side of the fixing member away from the third strip-shaped groove, a cylinder mounted on the bracket, and a fixing plate fixedly connected to the cylinder, and the fixing plate is parallel to and detachably connected to the mounting plate.
7. The bare board testing fixture of claim 6, wherein the fixing plate is fixed to the mounting plate by screws.
8. The bare board testing fixture of claim 1, wherein the bottom wall comprises a bottom plate disposed opposite to the top plate and a side plate connecting the bottom plate and the top plate, and the top plate and the side plate are connected by a hinge buckle.
9. The switching power supply bare board test fixture of claim 1, further comprising a display device electrically connected to the test circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020467446.6U CN212111635U (en) | 2020-04-02 | 2020-04-02 | Testing clamp for bare board of switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020467446.6U CN212111635U (en) | 2020-04-02 | 2020-04-02 | Testing clamp for bare board of switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212111635U true CN212111635U (en) | 2020-12-08 |
Family
ID=73635809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020467446.6U Active CN212111635U (en) | 2020-04-02 | 2020-04-02 | Testing clamp for bare board of switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212111635U (en) |
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2020
- 2020-04-02 CN CN202020467446.6U patent/CN212111635U/en active Active
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