CN211627668U

CN211627668U - VR output voltage ripple testing tool

Info

Publication number: CN211627668U
Application number: CN201922447454.4U
Authority: CN
Inventors: 王健
Original assignee: Suzhou Inspur Intelligent Technology Co Ltd
Current assignee: Suzhou Inspur Intelligent Technology Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-02
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a VR output voltage ripple testing tool, including first connecting wire, second connecting wire and connector, still include the clip, first connecting wire is connected with the connector, the other end is installed on one side inner wall of last clip, the one end of second connecting wire is connected with the connector, the other end is installed on the opposite side inner wall of clip. The utility model discloses only need press from both sides the clip at the both ends of the electric capacity that awaits measuring, can realize the voltage detection to the electric capacity that awaits measuring, can avoid damaging, short circuit and test fixture high temperature oxidation scheduling problem because of adopting electric iron welding test wire to lead to, can real-time test, need not welding test wire test of going up again after the outage, improved efficiency of software testing greatly.

Description

VR output voltage ripple testing tool

Technical Field

The utility model belongs to the technical field of the electron, in particular to VR output voltage ripple testing tool.

Background

The reliable power supply system is the premise of stable work of the server, the power supply system comprises various power supply modules, and the stable operation of the whole power supply can be ensured only if each power supply module is normal.

Therefore, the power supply performance of the VR needs to be verified in the design stage of the server board card, tests on aspects of VR output voltage ripple, dynamic response performance, loop stability, power-on and power-off time sequence and the like are mainly performed, different test items have certain difference by using testers, and when the VR output voltage ripple test is performed at present, a 6247 differential probe is adopted to enable the test result to be more accurate, so that external interference can be effectively shielded; when a voltage signal is tested, two ends of an output capacitor are selected as test points, because the voltage at the two ends of the capacitor cannot be directly measured by a differential probe, a test wire needs to be welded at the two ends of the capacitor by using an electric soldering iron and then connected with the differential probe, and because the temperature of the electric soldering iron is high, a capacitor device can be damaged; the output short circuit is caused by tin connection at two ends of the capacitor possibly in the welding process, the welding end of the test wire is easy to oxidize at high temperature and needs to be changed frequently, the voltage of the board card in operation cannot be measured in real time, the test wire needs to be welded after power failure, and the test efficiency is low.

Disclosure of Invention

The utility model aims at overcoming not enough among the prior art, provide a VR output voltage ripple testing tool, only need press from both sides the clip at the both ends of the electric capacity that awaits measuring, can realize the voltage detection to the electric capacity that awaits measuring, can avoid damaging, short circuit and test fixture high temperature oxidation scheduling problem because of adopting the electric iron to weld the output electric capacity that the test wire leads to, can real-time testing, need not welding the test wire and test the test of going up the electricity again after the outage, improved efficiency of software testing greatly.

In order to realize the purpose, the utility model discloses a technical scheme is:

the utility model provides a VR output voltage ripple testing tool, includes first connecting wire, second connecting wire and connector, still includes the clip, first connecting wire is connected with the connector, the other end is installed on one side inner wall of clip, the one end of second connecting wire is connected with the connector, the other end is installed on the opposite side inner wall of clip, can avoid damaging, short circuit and test fixture high temperature oxidation scheduling problem because of adopting electric iron welding test wire to lead to, can test in real time, need not welding test wire and then go up the electricity test after the outage, improved efficiency of software testing greatly.

Preferably, the clip includes punch holder, lower plate, pivot, return spring, all is equipped with two side ears in the both sides of punch holder and lower plate, and two side ears of punch holder are installed in the middle part of punch holder symmetry both sides, and two side ears on the lower plate are installed at the top of lower plate, all are equipped with the through-hole on four side ears, and the through-hole cooperatees with the pivot, and punch holder and lower plate pass through the side ear and install in the pivot, the return spring housing is in the inboard of four side ears in the pivot.

Preferably, the upper clamping plate and the lower clamping plate are provided with wiring holes and are matched with the first connecting wire and the second connecting wire, so that the safety of the first connecting wire and the second connecting wire can be protected, and the upper clamping plate and the lower clamping plate are tidy and attractive.

Preferably, the wire structure is walked to the one end of fixing first connecting wire, second connecting wire on punch holder and lower plate inner wall adoption S type, and the area of contact at increase and electric capacity both ends has guaranteed the accuracy of test.

Preferably, the wear-resisting layer is arranged on the surface of the upper clamping plate and the lower clamping plate, so that the upper clamping plate and the lower clamping plate are prevented from being worn frequently, and the service efficiency of the upper clamping plate and the lower clamping plate is improved.

Preferably, the upper clamping plate and the lower clamping plate are made of insulating plates, and accuracy of detection results is guaranteed.

Preferably, the distance between the lugs on the two sides of the upper clamping plate is greater than the distance between the lugs on the two sides of the lower clamping plate, the upper clamping plate is conveniently installed on the rotating shaft, and the upper clamping plate is matched with the return spring, so that the normal work of the clamp is guaranteed.

The utility model has the advantages that:

1) this device only need press from both sides the clip at the both ends of the electric capacity that awaits measuring, can realize the voltage detection to the electric capacity that awaits measuring, can avoid damaging, short circuit and test fixture high temperature oxidation scheduling problem because of adopting the electric iron welding test wire to lead to, can test in real time, need not welding test wire and test on again after the outage, improved efficiency of software testing greatly.

2) The upper clamping plate and the lower clamping plate of the device are also provided with wiring holes which are matched with the first connecting wire and the second connecting wire, so that the safety of the first connecting wire and the second connecting wire can be protected, and the device is tidy and beautiful; one ends of the first connecting wire and the second connecting wire which are fixed on the inner walls of the upper clamping plate and the lower clamping plate adopt an S-shaped wiring structure, so that the contact area between the first connecting wire and the two ends of the capacitor is increased, and the accuracy of the test is ensured; the wear-resistant layers are arranged on the surfaces of the upper clamping plate and the lower clamping plate, so that the upper clamping plate and the lower clamping plate are prevented from being worn frequently, and the use efficiency of the upper clamping plate and the lower clamping plate is improved; the upper clamping plate and the lower clamping plate are made of insulating plates, so that the accuracy of a detection result is ensured; the distance between the lugs on the two sides of the upper clamping plate is greater than the distance between the lugs on the two sides of the lower clamping plate, so that the upper clamping plate is convenient to install on the rotating shaft and is matched with the return spring, and the normal work of the clamp is guaranteed.

Drawings

Fig. 1 is the utility model relates to a VR output voltage ripple testing tool structure schematic diagram.

Fig. 2 is the utility model relates to a structure schematic diagram of clip in VR output voltage ripple testing tool.

In the figure: 1. a clip; 101. an upper splint; 102. a return spring; 103. a lower splint; 104. a rotating shaft; 2. a second connecting line; 3. a first connecting line; 4. a connecting head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-2, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the 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.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The utility model provides a VR output voltage ripple testing tool, includes first connecting wire 3, second connecting wire 2 and connector 4, still includes clip 1, first connecting wire 3 is connected with connector 4, the other end is installed on one side inner wall of clip 1, the one end of second connecting wire 2 is connected with connector 4, the other end is installed on the opposite side inner wall of clip 1, can avoid damaging, short circuit and test fixture high temperature oxidation scheduling problem because of adopting the output electric capacity that electric iron welding test wire leads to, can real-time test, need not welding test wire and test the test again after the outage, improved efficiency of software testing greatly.

Clip 1 includes punch holder 101, lower plate 103, pivot 104, return spring 102, all is equipped with two side ears in the both sides of punch holder 101 and lower plate 103, and two side ears of punch holder are installed at the middle part in punch holder 101 symmetry both sides, and two side ears on the lower plate 103 are installed at the top of lower plate 103, all are equipped with the through-hole on four side ears, and the through-hole cooperatees with the pivot, and punch holder 101 and lower plate 103 are installed on pivot 104 through the side ear, return spring 102 cover is in the inboard of four side ears in the pivot.

Go up splint 101 and lower plate 103 and still open the line hole to cooperate with first connecting wire 3 and second connecting wire 2, not only can protect the safety of first connecting wire 3 and second connecting wire 2, still more neatly pleasing to the eye.

One end of the first connecting wire 3 and one end of the second connecting wire 2 which are fixed on the inner walls of the upper clamping plate 101 and the lower clamping plate 103 adopt an S-shaped wiring structure, the contact area between the first connecting wire and the two ends of the capacitor is increased, and the accuracy of the test is ensured.

The wear-resistant layer is arranged on the surfaces of the upper clamping plate 101 and the lower clamping plate 103, so that the upper clamping plate 101 and the lower clamping plate 103 are prevented from being worn frequently, and the service efficiency of the upper clamping plate 101 and the lower clamping plate 103 is improved.

The upper clamping plate 101 and the lower clamping plate 103 are made of insulating plates, and accuracy of detection results is guaranteed.

The distance between the ears on the two sides of the upper clamp plate 101 is greater than the distance between the ears on the two sides of the lower clamp plate 103, so that the upper clamp plate is conveniently installed on the rotating shaft 104 and is matched with the return spring 102, and the normal work of the clamp 1 is ensured.

A VR output voltage ripple test tool, its working process as follows: the clamp 1 is clamped at two ends of a capacitor to be tested, the connecting head 4 is connected with the 6247 differential probe testing end, the other end of the differential probe is connected with an oscilloscope, the oscilloscope is set to have a bandwidth of 20M, the sampling rate is 100M, and after the VR chip is electrified, whether VR output voltage ripples meet design requirements under different load conditions is tested.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides a VR output voltage ripple testing tool, includes first connecting wire, second connecting wire and connector, its characterized in that still includes the clip, first connecting wire is connected with the connector, the other end is installed on one side inner wall of clip, the one end of second connecting wire is connected with the connector, the other end is installed on the opposite side inner wall of clip.

2. The VR output voltage ripple test tool of claim 1, wherein the clip comprises an upper plate, a lower plate, a rotating shaft, and a return spring, two side lugs are disposed on two sides of the upper plate and the lower plate, the two side lugs of the upper plate are mounted in the middle of two symmetrical sides of the upper plate, the two side lugs of the lower plate are mounted on the top of the lower plate, through holes are disposed on the four side lugs, the through holes are matched with the rotating shaft, the upper plate and the lower plate are mounted on the rotating shaft through the side lugs, and the return spring is sleeved on the inner sides of the four side lugs on the rotating shaft.

3. The VR output voltage ripple test tool of claim 2, wherein the upper and lower clamping plates further include wire routing holes that mate with the first and second connecting wires.

4. The VR output voltage ripple test tool of claim 1, wherein one end of the first and second connecting wires fixed to the inner walls of the upper and lower clamping plates are S-shaped wires.

5. The VR output voltage ripple test tool of claim 3, wherein the upper and lower clamping plates have wear resistant layers on their surfaces.

6. The VR output voltage ripple test tool of claim 5, wherein the upper and lower clamp plates are made of an insulating plate.

7. The VR output voltage ripple test tool of claim 5, wherein a distance between the ears of the upper splint is greater than a distance between the ears of the lower splint.