CN209372272U - A kind of contact resistance and contact pressure relation test device - Google Patents
A kind of contact resistance and contact pressure relation test device Download PDFInfo
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- CN209372272U CN209372272U CN201821980885.6U CN201821980885U CN209372272U CN 209372272 U CN209372272 U CN 209372272U CN 201821980885 U CN201821980885 U CN 201821980885U CN 209372272 U CN209372272 U CN 209372272U
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- connecting terminal
- contact
- resistance
- contact resistance
- contact pressure
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Abstract
The utility model discloses a kind of contact resistances and contact pressure relation test device, including the first connecting terminal, the second connecting terminal, pressing device, circuit resistance tester and insulation board, first connecting terminal and the second connecting terminal are close to be arranged up and down, insulation board is located at the first connecting terminal for being close to setting and the upper surface of second connecting terminal and following, and compressed by pressing device, circuit resistance tester is separately connected the first connecting terminal and the second connecting terminal by cable and tests the contact resistance of the first connecting terminal and the second connecting terminal.The utility model can change the contact pressure between connecting terminal, and measure the contact resistance between the connecting terminal under different contact pressures, to obtain the variation relation between contact resistance and contact pressure, to provide reference for site examining and repairing and check, help is provided to study the variation relation of contact resistance under different contact pressures.
Description
Technical field
The utility model relates to a kind of contact resistances and contact pressure relation test device.
Background technique
According to the requirement of power equipment preventive trial regulation (DL/T 596-1996), the conduction of various switchgears is returned
Road resistance test, test electric current cannot be less than 100A.Lead to contact electricity due to contact surface oxidation, contact fastening are bad etc.
Resistance increases, and when high current flows through, contact point temperature is increased, and more quick access contacting surface aoxidizes for this, further increases contact resistance,
Major accident will be generated by continuing, it may be said that the presence of contact resistance directly affects current-carrying capability when normal work.Docking
The bad case discovery for statistical analysis for causing connecting terminal to generate heat is touched, the bad i.e. contact pressure deficiency of contact fastening is to cause
One main cause of fever, it is therefore necessary to contact resistance and contact pressure relationship are studied, to be site examining and repairing and handover
It checks and accepts and reference is provided.
Utility model content
The utility model provides a kind of contact resistance and contact pressure relation test device, can be in testing contact resistance
Change contact pressure.
In order to achieve the above objectives, the embodiments of the present invention adopt the following technical scheme that
A kind of contact resistance and contact pressure relation test device, including the first connecting terminal, the second connecting terminal, compress
Device, circuit resistance tester and insulation board, first connecting terminal and the second connecting terminal are close to be arranged up and down, described exhausted
Listrium is located at the upper surface of the first connecting terminal for being close to setting and second connecting terminal and in the following, and by the pressing device pressure
Tightly, the circuit resistance tester by cable respectively with connect first connecting terminal and the second connecting terminal and test institute
State the contact resistance of the first connecting terminal and the second connecting terminal.
Further, the material of first connecting terminal and the second connecting terminal is that aluminum or aluminum alloy or copper or copper close
Gold, aluminium, aluminium alloy, copper or copper alloy have good electric conductivity, are common conductive material, survey especially suitable for contact resistance
Examination.
Further, the characteristics of pressing device is the hydraulic press for being provided with digital display manometer, hydraulic press is structure letter
It is single, easy to operate and slow and stable pressure can be provided；Digital display manometer can intuitively show the pressure of output, digital display reading
It can directly, quickly read, convenient for record.
Further, the circuit resistance tester is with the circuit electricity that 100A constant current output, test data are digital display
Tester is hindered, 100A constant current output can satisfy the test current needs of resistance test, and digital display reading being capable of direct, fast fast reading
It takes, convenient for record.
Further, the insulation board is electrical laminated wood, and electrical laminated wood has many advantages, such as that insulation is good, and hardness is high.
The beneficial effects of the utility model are: the utility model changes the contact pressure between connecting terminal using pressing device
Power, using the contact resistance between circuit resistance tester measurement connecting terminal, to obtain between contact resistance and contact pressure
Variation relation, to provide reference for site examining and repairing and check, for the change for studying contact resistance under different contact pressures
Change relationship provides help, and can continuously measure, and has the characteristics that easy to operate, structure is simple.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described.
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model.
It is as shown in the figure to mark in figure are as follows: 1: the first connecting terminal, 2: the second connecting terminals, 3: pressing device, 4: circuit electricity
Resistance tester, 5: insulation board.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1, the preferred one embodiment of the utility model provides a kind of contact resistance and contact pressure relationship is surveyed
Trial assembly is set, including the first connecting terminal 1, the second connecting terminal 2, pressing device 3, circuit resistance tester 4 and insulation board 5.
Fig. 1 is please referred to, the first connecting terminal 1 and the second connecting terminal 2 are successively close to setting, the first terminals from top to bottom
The material of son 1 and the second connecting terminal 2 is copper, has good electric conductivity, is tested especially suitable for contact resistance.Insulation board 5
It is two pieces, insulation board 5 is preferred to select electrical laminated wood, and electrical laminated wood has many advantages, such as that insulation is good, and hardness is high, two pieces of insulation
Plate 5 is respectively provided at the upper surface of the first connecting terminal 1 for being close to setting and second connecting terminal 2 and in the following, i.e. one piece of insulation board 5 is tight
The upper surface of first connecting terminal 1 is pasted, another piece of insulation board 5 is close to below the second connecting terminal 2.Insulation board 5, the first terminals
Son 1 and the second connecting terminal 2 are compressed by pressing device 3, and pressing device 3 is the hydraulic press for being provided with digital display manometer, it is preferred that
Hydraulic press is the single column hydraulic machine for being provided with digital display manometer, hydraulic press structure is simple, it is easy to operate and can provide slowly and
Stable pressure.Digital display manometer can intuitively show the pressure of output, and digital display reading can directly, quickly be read, convenient for note
Record.When implementation, insulation board 5, the first connecting terminal 1 and the second connecting terminal 2 are placed on the workbench of hydraulic press, the pressure of hydraulic press
Head pushes uppermost insulation board 5 to realize the compression to insulation board 5, the first connecting terminal 1 and the second connecting terminal 2.Circuit
Resistance meter 4 is separately connected the first connecting terminal 1 and the second connecting terminal 2, specifically, the voltage of circuit resistance tester 4
Output end and current output terminal are connected with one of them of the first connecting terminal 1 and the second connecting terminal 2 simultaneously, and loop resistance is surveyed
Try the voltage input end and current input terminal another one phase with the first connecting terminal 1 and the second connecting terminal 2 simultaneously of instrument 4
Even (after i.e. one of input terminal and the first connecting terminal 1 and the second connecting terminal 2 is connected, output end is connected with another).This
In preferred embodiment, the voltage input end and current input terminal of circuit resistance tester 4 simultaneously with 1 phase of the first connecting terminal
Even, the voltage output end and current output terminal of circuit resistance tester 4 are connected with the second connecting terminal 2 simultaneously.Loop resistance is surveyed
Trying instrument 4 has 100A constant current output, and test data is digital display, it is preferred that circuit resistance tester is JD-100A type loop resistance
Tester, 100A constant current output can satisfy the test current needs of resistance test, and digital display reading can directly, quickly be read,
Convenient for record.
In use, the hydraulic press with digital display manometer of operation this preferred embodiment of pressing device 3() compress it slowly
Insulation board 5, the first connecting terminal 1 and the second connecting terminal 2 open circuit resistance tester 4 and to the first connecting terminal 1 and the
Two connecting terminals 2 carry out resistance test, while recording the output of pressing device 3 to the first connecting terminal 1 and the second connecting terminal 2
Pressure value (i.e. the pressure value of the first connecting terminal 1 and the second connecting terminal 2 from each other) and circuit resistance tester 4 are tested
The contact resistance test value of the first connecting terminal 1 and the second connecting terminal 2 that arrive, by data statistics, comparison, to be connect
Variation relation between electric shock resistance and contact pressure, so that reference is provided for site examining and repairing and check, to study different contacts
The variation relation of contact resistance provides help under pressure, and can continuously measure, and has the characteristics that easy to operate, structure is simple.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described
Subject to scope of protection of the claims.
Claims (5)
1. a kind of contact resistance and contact pressure relation test device, it is characterised in that: including the first connecting terminal (1), second
Connecting terminal (2), pressing device (3), circuit resistance tester (4) and insulation board (5), first connecting terminal (1) and
Two connecting terminals (2) are close to setting up and down, and the insulation board (5) is located at the first connecting terminal (1) and second for being close to be arranged and connects
The upper surface of line terminals (2) and in the following, and compressed by the pressing device (3), the circuit resistance tester (4) passes through cable point
First connecting terminal (1) and the second connecting terminal (2) are not connected and test first connecting terminal (1) and the second wiring
The contact resistance of terminal (2).
2. a kind of contact resistance according to claim 1 and contact pressure relation test device, it is characterised in that: described the
The material of one connecting terminal (1) and the second connecting terminal (2) is aluminum or aluminum alloy or copper or copper alloy.
3. a kind of contact resistance according to claim 1 and contact pressure relation test device, it is characterised in that: the pressure
Tight device (3) is the hydraulic press for being provided with digital display manometer.
4. a kind of contact resistance according to claim 1 and contact pressure relation test device, the loop resistance test
Instrument (4) is the resistance meter for being digital display with 100A constant current output, test data.
5. a kind of contact resistance according to claim 1 and contact pressure relation test device, the insulation board (5) is electricity
Work lamination wood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821980885.6U CN209372272U (en) | 2018-11-29 | 2018-11-29 | A kind of contact resistance and contact pressure relation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821980885.6U CN209372272U (en) | 2018-11-29 | 2018-11-29 | A kind of contact resistance and contact pressure relation test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209372272U true CN209372272U (en) | 2019-09-10 |
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ID=67834123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821980885.6U Active CN209372272U (en) | 2018-11-29 | 2018-11-29 | A kind of contact resistance and contact pressure relation test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209372272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461444A (en) * | 2020-11-04 | 2021-03-09 | 广西电网有限责任公司电力科学研究院 | Precision detection device for pressure sensor machining |
| CN114689659A (en) * | 2022-02-15 | 2022-07-01 | 常熟理工学院 | Method and device for measuring acting force of interface between nano wire and nano wire |
-
2018
- 2018-11-29 CN CN201821980885.6U patent/CN209372272U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461444A (en) * | 2020-11-04 | 2021-03-09 | 广西电网有限责任公司电力科学研究院 | Precision detection device for pressure sensor machining |
| CN114689659A (en) * | 2022-02-15 | 2022-07-01 | 常熟理工学院 | Method and device for measuring acting force of interface between nano wire and nano wire |
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