CN211236174U - Testing tool for switching power supply - Google Patents
Testing tool for switching power supply Download PDFInfo
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- CN211236174U CN211236174U CN201922164175.7U CN201922164175U CN211236174U CN 211236174 U CN211236174 U CN 211236174U CN 201922164175 U CN201922164175 U CN 201922164175U CN 211236174 U CN211236174 U CN 211236174U
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Abstract
The utility model relates to a switching power supply test field relates to a switching power supply's test fixture very much. The utility model discloses a switching power supply's test fixture, the on-line screen storage device comprises a base, a supporting fram, elevating system and fixed plate, the upper surface of base is equipped with the workstation that is used for placing the switching power supply that awaits measuring, the support frame sets up the upper surface at the base, elevating system sets up on the support frame, be used for driving the fixed plate and go up and down to switch between rising position and decline position, be equipped with 5 probes on the fixed plate, be two input probes respectively, two output probe and a ground probe, two input probe and ground probe are used for connecing alternating current power supply's live wire respectively, zero line and ground wire, two output probe are used for connecing test instrument, when the fixed plate is in the decline position, 5 probes respectively with the input of the switching power supply that awaits measuring. The utility model discloses simple structure, it is easy and simple to handle, reduced test man-hour, improved efficiency of software testing.
Description
Technical Field
The utility model belongs to switching power supply test field specifically relates to a switching power supply's test fixture.
Background
A switching power supply, which is a high-frequency power conversion device and a power supply. At present, the switching power supply is widely applied to the fields of industrial automation control, military equipment, scientific research equipment, LED illumination, industrial control equipment, communication equipment, power equipment, instruments and meters, medical equipment and the like due to the characteristics of small size, light weight and high efficiency, and is an indispensable power supply mode for the rapid development of the electronic information industry at present.
Before the switching power supply is put into use after being produced, a series of tests are often required to be carried out on the switching power supply, including: A. testing input and output basic performance; B. testing output ripples; C. outputting a short circuit test; D. and outputting an overcurrent test and the like, and normally putting into use after the test is confirmed to be qualified. At present, when a switching power supply is tested, corresponding wiring needs to be carried out again when one switching power supply is tested, the operation is troublesome, the testing working hours are long, the efficiency is low, the cost is high, and meanwhile, the probability that products flow out badly due to poor wiring is high easily.
Disclosure of Invention
An object of the utility model is to provide a switching power supply's test fixture is used for solving the technical problem that above-mentioned exists.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a switching power supply's test fixture, includes base, support frame, elevating system and fixed plate, the upper surface of base is equipped with the workstation that is used for placing the switching power supply that awaits measuring, the support frame sets up the upper surface at the base, elevating system sets up on the support frame for the drive fixed plate goes up and down to switch between rising position and decline position, be equipped with 5 probes on the fixed plate, be two input probe, two output probe and a ground connection probe respectively, two input probe and ground connection probe are used for connecing alternating current power supply's live wire, zero line and ground wire respectively, and two output probe are used for connecing test instrument, and when the fixed plate is in the decline position, 5 probes are connected with the input, output and the earthing terminal contact electricity of the switching power supply that awaits measuring.
Furthermore, a power switch is further arranged on the base and connected between the alternating current power supply and the two input probes in series.
Furthermore, the travel switch is connected between the power switch and the two input probes in series, the travel switch is arranged inside the base, a through hole penetrating through the base to the travel switch is formed in the top surface of the base, a push rod is arranged on the fixing plate, and when the fixing plate is located at a descending position, the push rod penetrates through the through hole to trigger the travel switch to be conducted.
Furthermore, a positioning mechanism is arranged on the workbench and used for positioning the switching power supply to be tested.
Still further, positioning mechanism includes back blend stop, left blend stop and right blend stop, back blend stop, left blend stop and right blend stop constitute II type structure, and the distance between left blend stop and the right blend stop is adjustable.
Furthermore, the left retaining strip and the right retaining strip are respectively provided with a strip hole along the left-right direction, and the left retaining strip and the right retaining strip are respectively locked and fixed on the workbench through screws penetrating through the strip holes.
Further, the probe is a spring probe.
Further, elevating system includes lifter, handle and two transition pieces, the lifter can wear to establish on the support frame with moving about from top to bottom, the handle articulates on the support frame, the first end of two transition pieces is articulated with the handle, and the second end is articulated with the upper end of lifter, the lower extreme at the lifter is fixed to the fixed plate, through rotating the handle, can drive the lifter and go up and down to the drive fixed plate goes up and down to switch between rising position and decline position.
Furthermore, the fixed plate is also provided with a guide hole, and the upper surface of the base is provided with a guide post penetrating through the guide hole.
Furthermore, the trailing flank of base is equipped with wiring portion, and 5 probes are connected on wiring portion through the wire respectively, and corresponding wiring is carried out to rethread wiring portion.
The utility model has the advantages of:
the utility model discloses simple structure, it is easy and simple to handle, reduced test man-hour, improved efficiency of software testing, reduced the test cost, and reduced the bad probability of wiring, improved the test rate of accuracy.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first block diagram of an embodiment of the present invention;
FIG. 2 is a second block diagram of an embodiment of the present invention;
FIG. 3 is a third structural diagram of an embodiment of the present invention;
FIG. 4 is a fourth block diagram of an embodiment of the present invention;
fig. 5 is a schematic wiring diagram according to an embodiment of the present invention.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The present invention will now be further described with reference to the accompanying drawings and detailed description.
As shown in fig. 1 to 5, a testing tool for a switching power supply includes a base 1, a supporting frame 2, a lifting mechanism and a fixing plate 3, in this embodiment, the base 1 is preferably a rectangular parallelepiped structure, so that the structure is more compact, but not limited thereto, and in other embodiments, the base 1 may also be a cube, a cylinder, and the like, which can be easily implemented by those skilled in the art and will not be described in detail.
The upper surface of base 1 is equipped with the workstation 11 that is used for placing the switching power supply that awaits measuring, support frame 2 sets up the upper surface at base 1, elevating system sets up on support frame 2 for drive fixed plate 3 goes up and down to switch between rising position and decline position, rises and descends for the workstation promptly.
The fixed plate 3 is provided with 5 probes 4, which are respectively two input probes, two output probes and a grounding probe, wherein the two input probes and the grounding probe are respectively used for connecting a live wire, a zero wire and a ground wire of an alternating current power supply, and the two output probes are used for connecting a test instrument. The electronic load meter 102 may be an electronic load meter with a model number KL283S, but is not limited thereto.
When the fixing plate 3 is at the descending position, the 5 probes 4 are respectively in contact and electric connection with two input ends, two output ends and a grounding end of the switching power supply to be tested.
In this embodiment, the upper surface of the base 1 is further provided with a power switch 5, and the power switch 5 is connected in series between the ac power supply and the two input probes 4. Of course, in other embodiments, the power switch 5 can be disposed at other positions of the base 1, such as the front side, etc., which can be easily realized by those skilled in the art and will not be described in detail.
In this embodiment, the power switch 5 is implemented by a ship-type switch, such as a ship-type switch model PA66, with an indicator light, and the safety is high, but not limited thereto.
Further, still include travel switch (not shown in the figure), travel switch connects in series between switch 5 and two input probe 4, travel switch sets up inside base 1, the top surface of base 1 is equipped with through-hole 12 that link up to travel switch, be equipped with ejector pin 31 on the fixed plate 3, when fixed plate 3 was in the decline position, ejector pin 31 passed through-hole 12 and triggered travel switch and makes it switch on, and two input probe 4 adopt electric output, avoid when not testing, two input probe 4 have electric output to lead to the tester mistake to electrocute, further improve the security.
In this embodiment, be equipped with positioning mechanism on workstation 11 for fix a position the switching power supply that awaits measuring, improve the test convenience. Specifically, positioning mechanism includes back blend stop 13, left blend stop 14 and right blend stop 15, back blend stop 13, left blend stop 14 and right blend stop 15 constitute II type structure, and the distance between left blend stop 14 and the right blend stop 15 is adjustable, is convenient for be suitable for the switching power supply of various different specifications.
In this embodiment, the left barrier strip 14 and the right barrier strip 15 are respectively provided with strip holes 141 and 151 along the left-right direction, the left barrier strip 14 and the right barrier strip 15 respectively pass through the strip holes 141 and 151 through the screws 6 to be locked and fixed on the workbench 11, when the distance between the left barrier strip 14 and the right barrier strip 15 is to be adjusted, the screws 6 are loosened, then the relative positions of the strip holes 141 and 151 and the screws 6 are adjusted, and then the screws 6 are locked, so that the structure is simple and the operation is simple.
In this embodiment, the number of the elongated holes 141 and 151 is two, and the elongated holes are respectively disposed at both ends of the left barrier strip 14 and the right barrier strip 15 to improve the fixing stability, but the invention is not limited thereto.
In this embodiment, the probe 4 is preferably a spring probe, which improves the electrical contact performance with the input terminal, the output terminal and the ground terminal of the switching power supply, thereby improving the test accuracy.
In this embodiment, the lifting mechanism includes a lifting rod 71, a handle 73 and two transition pieces 72, the lifting rod 73 is movably inserted into the support frame 2 up and down, the handle 73 is substantially L-shaped, the outer end of the handle 73 is hinged to the support frame 2, the first end of each of the two transition pieces 72 is hinged to two sides of a corner of the handle 73, the second end of each of the two transition pieces is hinged to two sides of the upper end of the lifting rod 71, the fixing plate 3 is fixed to the lower end of the lifting rod 71, and the lifting rod 71 can be driven to lift by rotating the handle 73, so that the fixing plate 3 is driven to lift and switch between a lifting position and a lowering position. The lifting mechanism has the advantages of simple structure, easy realization, low cost and simple and convenient operation, and in other embodiments, the lifting mechanism can also be realized by other existing lifting mechanisms, such as a lifting mechanism driven by a cylinder.
In this embodiment, fixed plate 3 still is equipped with the guiding hole, the upper surface of base 1 is equipped with the activity and wears to establish the guide post 8 in the guiding hole, through the direction cooperation of guide post 8 and guiding hole, improves the stationarity that fixed plate 3 reciprocated.
Preferably, the number of the guide holes is 2, and the guide holes are respectively arranged on two sides of the fixing portion 3, and correspondingly, the number of the guide posts 8 is also two, and of course, in other embodiments, the number of the guide holes and the number of the guide posts 8 can also be 1 or more than 2.
In this embodiment, the rear side of the base 1 is provided with a wiring portion 9, and 5 probes 4 are respectively connected to the wiring portion 9 through a wire 100, and corresponding wiring is performed through the wiring portion 9, so that the wiring is simpler and more convenient.
In this embodiment, an ac power socket 101 is disposed on the rear side of the base 1 for receiving an ac power, a live wire and a zero wire of the ac power socket 101 are sequentially connected to the wiring portion 9 through a wire power switch 5 and a travel switch, and then connected to the two input probes 4 through a wire 100, a ground wire of the ac power socket 101 is connected to the wiring portion 9 through a wire, and then connected to the ground probe 4 through a wire 100.
The testing process comprises the following steps:
according to the performance to be tested, the testing tool of the switch power supply is connected with corresponding testing equipment through a wiring part 9, as shown in figure 5, then the switch power supply to be tested is placed on a workbench 11 and is positioned by a positioning mechanism, a power switch 5 is turned on, a handle 73 is rotated, a driving fixing plate is positioned at a descending position, 5 probes 4 are respectively contacted and electrically connected with two input ends, two output ends and a grounding end of the switch power supply to be tested, a push rod 31 passes through a through hole 12 to trigger a travel switch to be conducted, the two input probes 4 output power to the switch power supply to be tested, the switch power supply is turned on, the testing equipment can carry out related performance testing, after the testing is finished, the handle 73 is rotated, the driving fixing plate is positioned at an ascending position, the 5 probes 4 are respectively separated from the two input ends, the two output ends and the grounding end, the next switching power supply to be tested is placed on the workbench 11, and then testing is performed according to the steps, so that the cycle is repeated, when the switching power supply is replaced, re-wiring is not needed, the operation is simple and convenient, the testing working hours are reduced, the testing efficiency is improved, the testing cost is reduced, frequent wiring is avoided, the problem of poor wiring is solved, and the testing accuracy is improved.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a switching power supply's test fixture which characterized in that: including base, support frame, elevating system and fixed plate, the upper surface of base is equipped with the workstation that is used for placing the switching power supply that awaits measuring, the support frame sets up the upper surface at the base, elevating system sets up on the support frame for the drive fixed plate goes up and down to switch between rising position and decline position, be equipped with 5 probes on the fixed plate, be two input probe, two output probe and a ground connection probe respectively, two input probe and ground connection probe are used for connecing alternating current power supply's live wire, zero line and ground wire respectively, and two output probe are used for connecing test instrument, and when the fixed plate is in the decline position, 5 probes are connected with input, output and the earthing terminal contact electricity of the switching power supply that awaits measuring respectively.
2. The switching power supply testing tool according to claim 1, characterized in that: the base is also provided with a power switch which is connected in series between the alternating current power supply and the two input probes.
3. The switching power supply testing tool according to claim 2, characterized in that: still include travel switch, travel switch concatenates between switch and two input probe, travel switch sets up inside the base, the top surface of base is equipped with the through-hole that link up to travel switch, be equipped with the ejector pin on the fixed plate, when the fixed plate was in the decline position, the ejector pin passed the through-hole and triggered travel switch and makes it switch on.
4. The switching power supply testing tool according to claim 1, characterized in that: and the workbench is provided with a positioning mechanism for positioning the switching power supply to be tested.
5. The switching power supply testing tool according to claim 4, wherein: positioning mechanism includes back blend stop, left blend stop and right blend stop, back blend stop, left blend stop and right blend stop constitute II type structure, and the distance between left blend stop and the right blend stop is adjustable.
6. The switching power supply testing tool according to claim 5, wherein: the left retaining strip and the right retaining strip are respectively provided with a strip hole along the left and right directions, and the left retaining strip and the right retaining strip respectively penetrate through the strip holes through screws to be locked and fixed on the workbench.
7. The switching power supply testing tool according to claim 1, characterized in that: the probe is a spring probe.
8. The switching power supply testing tool according to claim 1, characterized in that: the lifting mechanism comprises a lifting rod, a handle and two transition pieces, the lifting rod can be movably arranged on the support frame in a penetrating mode from top to bottom, the handle is hinged to the support frame, the first ends of the two transition pieces are hinged to the handle, the second ends of the two transition pieces are hinged to the upper end of the lifting rod, the fixing plate is fixed to the lower end of the lifting rod, the lifting rod can be driven to lift through rotating the handle, and therefore the fixing plate is driven to lift and switch between a rising position and a falling position.
9. The switching power supply testing tool according to claim 8, wherein: the fixed plate is also provided with a guide hole, and the upper surface of the base is provided with a guide post penetrating through the guide hole.
10. The switching power supply testing tool according to claim 1, characterized in that: the trailing flank of base is equipped with wiring portion, and 5 probes are connected respectively on wiring portion through the wire, and corresponding wiring is carried out to rethread wiring portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922164175.7U CN211236174U (en) | 2019-12-06 | 2019-12-06 | Testing tool for switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922164175.7U CN211236174U (en) | 2019-12-06 | 2019-12-06 | Testing tool for switching power supply |
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| Publication Number | Publication Date |
|---|---|
| CN211236174U true CN211236174U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922164175.7U Active CN211236174U (en) | 2019-12-06 | 2019-12-06 | Testing tool for switching power supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034213A (en) * | 2020-08-21 | 2020-12-04 | 日立楼宇技术（广州）有限公司 | Test tool and test system |
| CN112557937A (en) * | 2020-11-10 | 2021-03-26 | 武汉锐科光纤激光技术股份有限公司 | DC/DC switching power supply function test system |
-
2019
- 2019-12-06 CN CN201922164175.7U patent/CN211236174U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034213A (en) * | 2020-08-21 | 2020-12-04 | 日立楼宇技术（广州）有限公司 | Test tool and test system |
| CN112557937A (en) * | 2020-11-10 | 2021-03-26 | 武汉锐科光纤激光技术股份有限公司 | DC/DC switching power supply function test system |
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