CN219552453U

CN219552453U - Capacitance test fixture

Info

Publication number: CN219552453U
Application number: CN202221943899.7U
Authority: CN
Inventors: 陶文涛
Original assignee: Dongguan Weidy Industrial Co ltd
Current assignee: Dongguan Weidy Industrial Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2023-08-18
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses a capacitance test fixture, which comprises a bottom plate, wherein a plurality of drain holes are formed in the bottom plate; the capacitive touch screen comprises a bottom plate, and is characterized in that a first insulating lifting plate and a second insulating lifting plate are oppositely arranged on the bottom plate, a first conductive piece and a second conductive piece are arranged between the first insulating lifting plate and the second insulating lifting plate in a crossing mode, the first conductive piece and the second conductive piece are arranged at intervals, a first clamping piece is arranged on the first conductive piece, a second clamping piece corresponding to the first clamping piece is arranged on the second conductive piece, and the first clamping piece and the second clamping piece are used for being electrically connected with positive pins and negative pins of a capacitor to be tested respectively. The test clamp has the advantages of effectively reducing electric corrosion and prolonging service life.

Description

Capacitance test fixture

Technical Field

The utility model relates to the field of clamps, in particular to a capacitance testing clamp.

Background

In the development and design of a circuit board, it is often necessary to test the resistance value of a resistor or the capacitance value of a capacitor on the circuit board. Generally, the resistor already installed on the circuit board can also be directly used for testing the resistance value, and when the capacitance value of the capacitor is tested, the capacitor to be tested must be removed from the circuit board, and then the multimeter is used for testing the capacitance value of the capacitor to be tested.

The existing capacitance test clamp has poor drainage effect and is easy to cause electric corrosion; there is no space between the two electrodes, and under the conditions of high temperature and high humidity (the conditions of 85 ℃ in general and 85% humidity), and under the loading of alternating voltage, the electrodes are easy to generate electric corrosion, so that the clamp is damaged.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide the capacitor test clamp which has the advantages of electric corrosion resistance, long service life, high efficiency and convenience in maintenance.

The utility model adopts the following technical scheme:

the capacitive test fixture comprises a bottom plate, wherein a plurality of drain holes are formed in the bottom plate; the capacitive touch screen comprises a bottom plate, and is characterized in that a first insulating lifting plate and a second insulating lifting plate are oppositely arranged on the bottom plate, a first conductive piece and a second conductive piece are arranged between the first insulating lifting plate and the second insulating lifting plate in a crossing mode, the first conductive piece and the second conductive piece are arranged at intervals, a first clamping piece is arranged on the first conductive piece, a second clamping piece corresponding to the first clamping piece is arranged on the second conductive piece, and the first clamping piece and the second clamping piece are used for being electrically connected with positive pins and negative pins of a capacitor to be tested respectively.

Further, the first insulating overhead plate and the second insulating overhead plate are both epoxy plates.

Further, the plurality of drain holes are arranged on the bottom plate in a rectangular array.

Further, the drain hole is circular.

Further, the first clamping piece and the second clamping piece are identical in structure, and the tops of the first clamping piece and the second clamping piece are respectively provided with a Y-shaped bifurcation part for accommodating positive pins and negative pins of the capacitor to be tested.

Further, the first clamping piece and the second clamping piece are stainless steel spring clamps.

Further, the first conductive member and the second conductive member are brass conductive members.

Further, the first conductive member and the second conductive member are connected with the first insulating overhead plate and the second insulating overhead plate through stainless steel screws.

Further, a plurality of first clamping pieces are arranged on the first conductive piece along the length direction of the first conductive piece, a plurality of second clamping pieces are arranged on the second conductive piece along the length direction of the second conductive piece, and the first clamping pieces and the second clamping pieces are arranged in one-to-one correspondence.

Further, a plurality of first conductive members and second conductive members span between the first insulating overhead plate and the second insulating overhead plate.

Compared with the prior art, the utility model has the beneficial effects that:

in the utility model, the water used for high-humidity condensation is discharged out of the bottom plate by arranging the plurality of water discharge holes on the bottom plate, so that the phenomenon of high-pressure short circuit is avoided; the first conductive piece and the second conductive piece are subjected to lifting design through the first insulating lifting plate and the second insulating lifting plate, so that the insulativity of the first conductive piece and the second conductive piece is improved, the high-voltage short circuit phenomenon caused by high-humidity condensation water drops is reduced, the electric corrosion is avoided, and the service life of the test fixture is prolonged.

Drawings

FIG. 1 is a schematic diagram of a capacitive test fixture according to the present utility model;

FIG. 2 is an enlarged partial schematic view at A in FIG. 1;

in the figure: 1. a bottom plate; 11. a drain hole; 2. a first insulating overhead panel; 3. a second insulating overhead panel; 4. a first conductive member; 5. a second conductive member; 6. a first clamping member; 7. a second clamping member; 8. stainless steel screws; 9. capacitance to be measured; 91. pins.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limitations of the present utility model. Furthermore, the terms "first," "second," "one," "another," and the like, are used for distinguishing between similar elements and not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly, indirectly, through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. Corresponding reference characters indicate corresponding parts throughout the several views (e.g., identical structure, functionally similar elements identified by "1XX" and "2 XX").

As shown in fig. 1-2, the capacitive test fixture provided by the utility model comprises a bottom plate 1, wherein a plurality of drain holes 11 are formed in the bottom plate 1; the base plate 1 is provided with a first insulation lifting plate 2 and a second insulation lifting plate 3 relatively, a first conductive piece 4 and a second conductive piece 5 are arranged between the first insulation lifting plate 2 and the second insulation lifting plate 3 in a crossing mode, the first conductive piece 4 and the second conductive piece 5 are arranged at intervals, a first clamping piece 6 is arranged on the first conductive piece 4, a second clamping piece 7 corresponding to the first clamping piece 6 is arranged on the second conductive piece 5, and the first clamping piece 6 and the second clamping piece 7 are used for being electrically connected with positive pins 91 and negative pins 91 of a capacitor 9 to be tested respectively.

In the utility model, the bottom plate 1 is used for supporting and stabilizing, a plurality of water discharge holes 11 are arranged on the bottom plate 1, and water used for high-humidity condensation is discharged out of the bottom plate 1, so that the phenomenon of high-pressure short circuit is avoided; the first conductive piece 4 and the second conductive piece 5 provide power supply and supporting function for the clamp, the first conductive piece 4 and the second conductive piece 5 are designed in an elevating way through the first insulating elevating plate 2 and the second insulating elevating plate 3, and are used for improving the insulativity of the first conductive piece 4 and the second conductive piece 5, reducing the high-voltage short circuit phenomenon caused by high-humidity condensation water drops and reducing the electric corrosion avoidance, so that the test clamp has the advantages of electric corrosion resistance, long service life, high efficiency, convenience in maintenance and the like.

Preferably, the first insulation overhead plate 2 and the second insulation overhead plate 3 are both epoxy plates. The first insulation lifting plate 2 and the second insulation lifting plate 3 are made of epoxy plate insulation materials, so that the test requirements of high temperature and high humidity are met.

Preferably, a plurality of the drain holes 11 are arranged in a rectangular array on the bottom plate 1. Thus improving the drainage effect.

Preferably, the drain hole 11 is circular.

Preferably, the first clamping member 6 and the second clamping member 7 have the same structure, and the top parts of the first clamping member 6 and the second clamping member 7 are respectively provided with a Y-shaped bifurcation part for accommodating the positive pin 91 and the negative pin 91 of the capacitor 9 to be tested. Through setting up "Y" branch portion for the electric capacity 9 that awaits measuring can be fast clamped and communicate to electrically conductive piece, carries out the circular telegram test, clamping and dismantlement convenient and fast have improved work efficiency, have reduced intensity of labour.

Preferably, the first clamping member 6 and the second clamping member 7 are stainless steel spring clamps. Thus, each clamping piece is prevented from being corroded, and the testing effect is guaranteed.

Preferably, the first conductive member 4 and the second conductive member 5 are brass conductive members. Brass conductors are more resistant to galvanic corrosion than conventional copper foil.

Preferably, the first conductive member 4 and the second conductive member 5 are connected to the first insulating overhead plate 2 and the second insulating overhead plate 3 by stainless steel screws 8. This further improves the corrosion resistance of the test fixture.

Preferably, the first conductive member 4 is provided with a plurality of first clamping members 6 along a length direction thereof, the second conductive member 5 is provided with a plurality of second clamping members 7 along a length direction thereof, and the first clamping members 6 and the second clamping members 7 are arranged in a one-to-one correspondence. Through setting up a plurality of first holders 6 and second holder 7, can load a plurality of electric capacity 9 that await measuring once, avoid every electric capacity 9 that await measuring all to need carry out clamping, the process of dismantling once, improved work efficiency.

Preferably, a plurality of first conductive members 4 and second conductive members 5 span between the first insulation lifting plate 2 and the second insulation lifting plate 3. Therefore, a plurality of capacitors 9 to be tested can be loaded once, the process that each capacitor 9 to be tested needs to be clamped and disassembled once is avoided, and the working efficiency is improved.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The capacitance test fixture is characterized by comprising a bottom plate (1), wherein a plurality of drain holes (11) are formed in the bottom plate (1); the novel electric power meter is characterized in that a first insulating lifting plate (2) and a second insulating lifting plate (3) are oppositely arranged on the bottom plate (1), a first conductive piece (4) and a second conductive piece (5) are arranged between the first insulating lifting plate (2) and the second insulating lifting plate (3) in a crossing mode, the first conductive piece (4) and the second conductive piece (5) are arranged at intervals, a first clamping piece (6) is arranged on the first conductive piece (4), a second clamping piece (7) corresponding to the first clamping piece (6) is arranged on the second conductive piece (5), and the first clamping piece (6) and the second clamping piece (7) are used for being electrically connected with positive pins (91) and negative pins (91) of a capacitor (9) to be tested respectively.

2. The capacitance test fixture according to claim 1, wherein the first and second insulation overhead plates (2, 3) are epoxy plates.

3. A capacitance testing jig according to claim 1, wherein a plurality of the drain holes (11) are provided in a rectangular array on the bottom plate (1).

4. A capacitance testing jig according to claim 3, wherein the drain hole (11) is circular.

5. The capacitance testing fixture according to claim 1, wherein the first clamping member (6) and the second clamping member (7) have the same structure, and the tops of the first clamping member (6) and the second clamping member (7) are respectively provided with a Y-shaped bifurcation portion for accommodating positive and negative pins (91) of the capacitance (9) to be tested.

6. The capacitance test fixture according to claim 5, wherein the first clamping member (6) and the second clamping member (7) are each stainless steel spring clips.

7. A capacitance testing fixture according to claim 1, wherein the first conductive member (4) and the second conductive member (5) are brass conductive members.

8. The capacitance test fixture according to claim 1, wherein the first conductive member (4) and the second conductive member (5) are each connected to the first insulating overhead plate (2) and the second insulating overhead plate (3) by stainless steel screws (8).

9. The capacitance test fixture according to claim 1, wherein a plurality of first clamping members (6) are arranged on the first conductive member (4) along the length direction thereof, a plurality of second clamping members (7) are arranged on the second conductive member (5) along the length direction thereof, and the first clamping members (6) and the second clamping members (7) are arranged in a one-to-one correspondence.

10. A capacitance testing jig according to claim 1, characterized in that a plurality of first conductive members (4) and second conductive members (5) are spanned between the first insulating overhead plate (2) and the second insulating overhead plate (3).