CN212207447U - High-voltage test fixture for switching power supply - Google Patents
High-voltage test fixture for switching power supply Download PDFInfo
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- CN212207447U CN212207447U CN202020468412.9U CN202020468412U CN212207447U CN 212207447 U CN212207447 U CN 212207447U CN 202020468412 U CN202020468412 U CN 202020468412U CN 212207447 U CN212207447 U CN 212207447U
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Abstract
The utility model discloses a switching power supply high pressure test fixture, including the base that has the roof, install in the connection fixing device of roof and with the controlling means that connection fixing device connects, connect fixing device include the support, install in the first detecting element of support reaches to be close to the support and with the fixed plate of connection can be dismantled to the roof, when the fixed plate will await measuring switching power supply is fixed, first detecting element with the binding post butt of the switching power supply that awaits measuring and detect. Compared with the prior art, the utility model provides a switching power supply high voltage test fixture, simple structure is reasonable, the centre gripping is stable and can be used to the different specification products of centre gripping.
Description
Technical Field
The utility model relates to a power production field especially relates to a switching power supply high voltage test fixture.
Background
The switch power supply is a necessary power supply for modern electronic technology, and has the advantages of high efficiency, small volume, capability of outputting positive and negative pressure and the like. Meanwhile, in order to ensure that the function, performance and service life of the switching power supply reach standards, a series of tests are usually required before the switching power supply leaves a factory, and one of the output overvoltage protection tests is required.
The output overvoltage protection function is an important parameter of the switching power supply, and is mainly used for preventing the switching power supply from being damaged when the power supply abnormally inputs over-high voltage. The testing method generally includes that a control circuit is used for conducting high-voltage power-on testing on the input end and the output end of the switch power supply which is butted with a detection pin, the input end and the shell, and the output end and the shell, whether the switch power supply is damaged by high-voltage breakdown or not is judged through the display of a related instrument connected with the control circuit, and qualified products are selected accordingly.
However, in the prior art, the fixture for the high-voltage test of the switching power supply often does not have an adjusting function, and can only be adapted to one switching power supply, and when the model of the switching power supply is changed, the model of the test fixture needs to be correspondingly designed and changed, which brings inconvenience to production.
Therefore, there is a need to provide a new high-voltage testing fixture for switching power supplies, which has a simple and reasonable structure and can be adapted to different types of switching power supplies to solve the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a simple structure is reasonable, can with the switching power supply high voltage test fixture of the switching power supply adaptation of different models.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a switching power supply high voltage test anchor clamps, including the base that has the roof, install in the connection fixing device of roof and with the controlling means that connection fixing device connects, connect fixing device include the support, install in the first detecting element of support and be close to the support and with the fixed plate of connection can be dismantled to the roof, when the fixed plate will await measuring switching power supply is fixed, first detecting element with the binding post butt of the switching power supply that awaits measuring and detect.
Preferably, the support includes the backup pad that the polylith relative parallel interval set up, install in the mounting panel of backup pad and follow the first bar groove that the thickness direction of mounting panel runs through, the length direction in first bar groove with the roof is perpendicular, first detecting element pass through first bar groove with the mounting panel can be dismantled and be connected.
Preferably, the first detection element comprises a detection plate parallel to the mounting plate and a plurality of first detection pins arranged on the detection plate, and the plurality of first detection pins are arranged side by side at one end of the detection plate close to the top plate.
Preferably, the top plate includes a body portion, and a plurality of second strip-shaped grooves and third strip-shaped grooves penetrating along a thickness direction of the body portion, the second strip-shaped grooves are perpendicular to the third strip-shaped grooves, the fixing plate includes two first clamping plates mounted in the second strip-shaped grooves and a second clamping plate mounted in the third strip-shaped grooves, and the two first clamping plates are arranged in parallel and at an interval relative to each other and perpendicular to the second clamping plate.
Preferably, the top plate further includes a plurality of fourth grooves penetrating along the thickness direction of the body, the connection fixing device further includes a second detection element, the second detection element includes a detection block installed in the fourth groove and a second detection pin arranged on the detection block, and the second detection pin is parallel to the first detection pin.
Preferably, the base further includes a bottom plate disposed opposite to the top plate and a side plate connecting the top plate and the bottom plate, the top plate, the bottom plate and the side plate together enclose an accommodating space, and the control device includes a control circuit accommodated in the accommodating space and a switch connected with the control circuit and disposed on the side plate.
Preferably, the number of the switches is two, and the two switches are connected in series and then connected with the control circuit.
Preferably, the top plate is connected with the side plates through hinge buckles.
To sum up, compare with prior art, the utility model discloses following beneficial effect has: the fixing plate detachably connected with the top plate is arranged, so that the position of the fixing plate can be adjusted, and the fixing plate is further matched with switching power supplies of more types; the positions of all parts are adjustable by arranging the first strip-shaped groove, the second strip-shaped groove, the third strip-shaped groove and the fourth strip-shaped groove so as to adapt to switching power supplies of different models; by arranging the second detection element with the second detection pins, the switching power supply high-voltage test fixture can carry out more kinds of detection, and is complete in function and reasonable in structure; through setting up the quantity of switch is two and inject two the relation of connection between the switch is for establishing ties, and then needs operator's two hands to press two simultaneously just can start the machine the operator has been avoided because of the risk of mistake touching by high-voltage electric shock, and the security performance is stronger.
Drawings
Fig. 1 is a schematic perspective view of a high-voltage testing fixture for a switching power supply provided by the present invention;
fig. 2 is a schematic view of a three-dimensional structure of the switching power supply high voltage testing clamp provided by the present invention in a working state;
fig. 3 is a schematic perspective view of another angle of the switching power supply high voltage testing fixture shown in fig. 2;
FIG. 4 is a cross-sectional view of the switching power supply high voltage test fixture of FIG. 2 taken along line A-A;
fig. 5 is an enlarged view of a portion B of the switching power supply high voltage test fixture shown in fig. 2.
In the figure, 100, a switch power supply high voltage test fixture; 10. a base; 11. a top plate; 111. a body portion; 112. a second strip groove; 113. a third strip groove; 114. a fourth slot; 12. a base plate; 13. a side plate; 20. connecting and fixing devices; 21. a support; 211. a support plate; 212. mounting a plate; 213. a first bar-shaped groove; 22. a first detection element; 221. detecting a plate; 222. a first detection pin; 23. a fixing plate; 231. a first splint; 232. a second splint; 24. a second detection element; 241. a detection block; 242. a second detection pin; 30. a control device; 32. a switch; 101. an accommodating space; 200. a switching power supply to be tested; 202. a wiring terminal; 203. a housing.
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 5, the present invention provides a high voltage testing fixture 100 for fixing a finished switching power supply to be tested and performing detection of an output overvoltage protection function. The switching power supply 200 to be tested includes a PCB (not shown), a terminal 202 connected to the PCB, and a housing 203.
The switching power supply high voltage test fixture 100 comprises a base 10 with a top plate 11, a connection fixing device 20 mounted on the top plate 11, and a control device 30 connected with the connection fixing device 20.
The base 10 further includes a bottom plate 12 disposed opposite to the top plate 11, and a side plate 13 connecting the top plate 11 and the bottom plate 12. The top plate 11, the bottom plate 12 and the side plate 13 together enclose an accommodating space 101.
Preferably, the top plate 11 and the side plate 13 are connected by a hinge buckle.
The top plate 11 includes a main body 111, and a plurality of second, third, and fourth grooves 112, 113, and 114 penetrating the main body 111 in a thickness direction thereof.
Specifically, the third strip-shaped groove 113 is disposed near a side of the top plate 11 and perpendicular to the side. The third strip grooves 113 are parallel to each other.
The second strip groove 112 is disposed at one end of the third strip groove 113 far away from the side edge, and the second strip groove 112 and the third strip groove 113 are perpendicular to each other.
The fourth strip-shaped groove 114 is disposed on a side of the second strip-shaped groove 112 away from the third strip-shaped groove 113, and the fourth strip-shaped groove 114 is disposed parallel to the second strip-shaped groove 112.
The connecting and fixing device 20 includes a bracket 21, a first detecting element 22 mounted on the bracket 21, a fixing plate 23 adjacent to the bracket 21 and detachably connected to the top plate 11, and a second detecting element 24. The fixing plate 23 fixes the switching power supply to be tested, and the first detection element 22 abuts against the connection terminal 202 of the switching power supply to be tested 200 and performs detection.
Specifically, the bracket 21 includes a plurality of support plates 211 arranged in parallel at intervals, an installation plate 212 installed on the support plates 211, and a first bar-shaped groove 213 penetrating in a thickness direction of the installation plate 212. The length direction of the first strip-shaped groove 213 is perpendicular to the top plate 11, and the first detection element 22 is detachably and cleanly connected with the mounting plate 212 through the first strip-shaped groove 213.
The first detecting element 22 includes a detecting plate 221 parallel to the mounting plate 212 and a plurality of first detecting pins 222 provided to the detecting plate 221. The first detecting pins 222 are arranged side by side at one end of the monitoring plate 221 close to the top plate 11.
The fixing plate 23 includes two first clamping plates 231 mounted in the second groove 112 and a second clamping plate 232 mounted in the third groove 113. The two first clamping plates 231 are arranged in parallel at intervals relatively and are perpendicular to the second clamping plates 232. In the using process of the switching power supply high voltage testing clamp 100, the two first clamping plates 231 limit the degree of freedom of the switching power supply 200 to be tested in one direction, and then the second clamping plates 232 and the first detecting element 22 limit the degree of freedom of the switching power supply 200 to be tested in the other direction, so that the switching power supply 200 to be tested is fixed.
The second detecting element 24 includes a detecting block 241 mounted in the fourth groove 114 and a second detecting pin 242 disposed on the detecting block 241. Wherein the second detecting pin 242 is parallel to the first detecting pin 222.
The control device 30 includes a control circuit (not shown) accommodated in the accommodating space 101 and a switch 32 connected to the control circuit and disposed on the side plate 13. Preferably, in order to prevent an electric shock of an operator during an operation and ensure safety of the operator, in the present embodiment, the number of the switches 32 is two, the two switches 32 are connected in series, and the two switches 32 are connected in series and then connected to the control circuit. Therefore, the operator needs to press the two switches 32 at the same time to operate the switching power supply high voltage testing fixture 100, thereby avoiding the electric shock hazard caused by the mistaken touch of the operator in the machine operation process.
Compared with the prior art, the utility model discloses following beneficial effect has: the fixing plate detachably connected with the top plate is arranged, so that the position of the fixing plate can be adjusted, and the fixing plate is further matched with switching power supplies of more types; the positions of all parts are adjustable by arranging the first strip-shaped groove, the second strip-shaped groove, the third strip-shaped groove and the fourth strip-shaped groove so as to adapt to switching power supplies of different models; by arranging the second detection element with the second detection pins, the switching power supply high-voltage test fixture can carry out more kinds of detection, and is complete in function and reasonable in structure; through setting up the quantity of switch is two and inject two the relation of connection between the switch is for establishing ties, and then needs operator's two hands to press two simultaneously just can start the machine the operator has been avoided because of the risk of mistake touching by high-voltage electric shock, and the security performance is stronger.
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 (8)
1. The utility model provides a switching power supply high voltage test anchor clamps, including the base that has the roof, install in the connection fixing device of roof and with the controlling means that connection fixing device connects, its characterized in that, connect fixing device include the support, install in the first detecting element of support and be close to the support and with the fixed plate of connection can be dismantled to the roof, when the fixed plate will await measuring switching power supply is fixed, first detecting element with the binding post butt of the switching power supply that awaits measuring detects.
2. The clamp for testing the high voltage of the switching power supply according to claim 1, wherein the bracket comprises a plurality of support plates arranged in parallel at intervals, a mounting plate mounted on the support plates, and a first strip-shaped groove penetrating in the thickness direction of the mounting plate, the length direction of the first strip-shaped groove is perpendicular to the top plate, and the first detection element is detachably connected with the mounting plate through the first strip-shaped groove.
3. The clamp for testing the high voltage of the switching power supply according to claim 2, wherein the first detecting element comprises a detecting plate parallel to the mounting plate and a plurality of first detecting pins arranged on the detecting plate, and the plurality of first detecting pins are arranged side by side at one end of the detecting plate close to the top plate.
4. The switching power supply high voltage testing fixture according to claim 3, wherein the top plate comprises a body portion and a plurality of second and third bar-shaped grooves penetrating through the body portion in a thickness direction, the second bar-shaped groove is perpendicular to the third bar-shaped groove, the fixing plate comprises two first clamping plates mounted in the second bar-shaped groove and a second clamping plate mounted in the third bar-shaped groove, and the two first clamping plates are arranged in parallel and at an interval and perpendicular to the second clamping plate.
5. The switching power supply high voltage testing fixture according to claim 4, wherein the top plate further comprises a plurality of fourth grooves penetrating along the thickness direction of the body, the connection fixing device further comprises a second detecting element, the second detecting element comprises a detecting block installed in the fourth grooves and a second detecting pin arranged on the detecting block, and the second detecting pin is parallel to the first detecting pin.
6. The clamp for testing the high voltage of the switching power supply according to claim 1, wherein the base further comprises a bottom plate disposed opposite to the top plate and a side plate connecting the top plate and the bottom plate, the top plate, the bottom plate and the side plate together define an accommodating space, and the control device comprises a control circuit accommodated in the accommodating space and a switch connected with the control circuit and disposed on the side plate.
7. The clamp for testing the high voltage of the switching power supply according to claim 6, wherein the number of the switches is two, and the two switches are connected in series and then connected with the control circuit.
8. The clamp for testing the high voltage of the switching power supply according to claim 6, wherein the top plate is connected with the side plate through a hinge buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020468412.9U CN212207447U (en) | 2020-04-02 | 2020-04-02 | High-voltage test fixture for switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020468412.9U CN212207447U (en) | 2020-04-02 | 2020-04-02 | High-voltage test fixture for switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212207447U true CN212207447U (en) | 2020-12-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020468412.9U Active CN212207447U (en) | 2020-04-02 | 2020-04-02 | High-voltage test fixture for switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212207447U (en) |
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2020
- 2020-04-02 CN CN202020468412.9U patent/CN212207447U/en active Active
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