CN107976578A - A kind of sheet resistance test platform - Google Patents
A kind of sheet resistance test platform Download PDFInfo
- Publication number
- CN107976578A CN107976578A CN201711308578.3A CN201711308578A CN107976578A CN 107976578 A CN107976578 A CN 107976578A CN 201711308578 A CN201711308578 A CN 201711308578A CN 107976578 A CN107976578 A CN 107976578A
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- CN
- China
- Prior art keywords
- pole plate
- fixture pole
- baffle
- fixture
- resistance test
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/36—Overload-protection arrangements or circuits for electric measuring instruments
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a kind of sheet resistance test platform, including the first fixture pole plate and the second fixture pole plate being oppositely arranged, the first fixture pole plate and the second fixture pole plate are each attached to testboard upper surface, and the testboard is isolation material；In implementation process of the present invention, when tested object is breakdown, the electric current increase of electromagnet, to increasing in the magnetic attraction of iron block, iron block overcomes the oppressive force of self gravitation and baffle, to baffle top, the electric connection between the first conductor block and the second conductor block is disconnected, power supply also disconnects the power supply to fixture pole plate, and due to the twisting force of spring hinge, iron block will not decline connection conductor block again, can cut off the power in time in the case where testee is breakdown.
Description
Technical field
The present invention relates to sheet resistance test equipment field, and in particular to a kind of sheet resistance test platform.
Background technology
Sheet resistance is also known as surface specific resistance.Characterize a significant data of dielectric or insulating materials electrical property.Its generation
Table is per quadrature dielectric surface resistance caused by surface leakage current opposite two sides of square.
A kind of sheet resistance test probe is disclosed in the patent of Publication No. CN105866548A, it is characterised in that：
Insulation module (2) including a plane uniform thickness, the insulation module (2) are equipped with four equidistant lines arrangements, aperture shapes
The through hole (3) of the identical up/down perforation of shape, the same position in through hole (3) described in four are respectively provided with outside one and resistance test
The plain conductor (5) of circuit connection, the interior mercury (6) for being injected with equivalent of through hole (3) described in four form mercury and institute
The plain conductor (5) in the through hole (3) stated is connected with the sample to be tested surface of the lower section of the through hole (3)；Surface
The test device of resistance test probe, including a four-terminal resistance test external circuit and a four end measuring heads are the surface
Resistance test is popped one's head in, and the sheet resistance test probe includes the insulation module (2) of a plane uniform thickness, the insulator die
Block (2) is equipped with the through hole (3) for the up/down perforation that four equidistant lines arrange, aperture shape is identical, the through hole (3) described in four
Interior same position is respectively provided with a plain conductor (5) being connected with the four-terminal resistance test external circuit, described in four
The mercury (6) that equivalent is injected with through hole (3) forms mercury and the plain conductor (5) in the through hole (3)
Connected with the sample to be tested surface of the lower section of the through hole (3), form " four-terminal resistance test external circuit-plain conductor-water
Silver-colored column-sample to be tested " test access.The four-terminal resistance test external circuit-plain conductor-mercury used in the program-
Sample to be tested circuit, easily because the heat that high current produces can not radiate in time during high voltage test is carried out, mistake
High temperature can produce security risk；Moreover, short circuit occurs when tested article punctures, also results in what is produced in the short time
Heat aggregation produces severe compromise.
The content of the invention
It is an object of the invention to overcome the above-mentioned problems in the prior art, there is provided a kind of sheet resistance test is flat
Platform, it is excessive or can cut off the power in time in the case that testee is breakdown in electric current, avoid dangerous expansion.
To realize above-mentioned technical purpose and the technique effect, the present invention is to be achieved through the following technical solutions：
A kind of sheet resistance test platform, including the first fixture pole plate and the second fixture pole plate being oppositely arranged, described
One fixture pole plate and the second fixture pole plate are each attached to testboard upper surface, and the testboard is isolation material；
The positive and negative end of power supply, the electricity is electrically connected in the first fixture pole plate and the second fixture pole plate both ends
Subject string is associated with breakdown breaker device, and the breakdown breaker device is equipped with housing, is fixed with electromagnet on the inside of the cover top plate, institute
State be equipped with below electromagnet the first baffle that is flexibly connected by the first spring hinge and second spring hinge with housing sidewall and
Second baffle, the first baffle and second baffle keep horizontal position under the compressing of the first spring hinge and second spring hinge
Put and mutually abut, be equipped with the first conductor block and the second conductor block below the first baffle and second baffle, described first leads
Iron block bottom both ends are contacted above body block and the second conductor block respectively, the iron block upper end abuts first baffle and second baffle；
First conductor block is electrically connected one end of power electrode, second conductor block and electromagnet and the first fixture
Pole plate is connected, and the second fixture pole plate is electrically connected the other end of power electrode, closed circuit is consequently formed, in test process
In, the conductive layer on tested article surface is powered, and becomes equivalent resistance.
Further, the first fixture pole plate and the second fixture pole plate are fine copper material, and surface gold-plating, are being carried out
In test process, device fixture pole plate overheat and air after long-time use can be caused because the substantial amounts of heat of fuel factor aggregation
In oxygen occur chemical reaction cause to corrode, the material of fine copper has higher chemical stability and physical heat stability,
Effectively avoid corroding, surface gold-plating can further improve anti-corrosion effects, and the good conductor of fine copper and Jin Shi electricity, Bu Huiying
As the sheet resistance test result of tested article.
Further, the testboard material is vulcanization insulating rubber slab.
Further, the insulating coefficient of isolation material is 1010 between the first fixture pole plate and the second fixture pole plate
Ω·m。
Further, distance is 24.5 millimeters between the first fixture pole plate and the second fixture pole plate, keeps the first folder
There is enough distances between tool pole plate and the second fixture pole plate, avoid air breakdown.
Further, the fixture pole plate, it is one of any to multiply 4.75 millis with tested article contacts area for 24.5 millimeters
Rice, has enough contacts area, prevents from causing to sample since contact area is too small between holding jig pole plate and tested article
Exception.
The present invention income effect be：
Electric current is excessive or when tested object is breakdown, the electric current increase of electromagnet, to the magnetic attraction of iron block
In increase, iron block overcomes the oppressive force of self gravitation and baffle, to baffle top, disconnects the first conductor block and the second conductor
Electric connection between block, power supply also disconnects the power supply to fixture pole plate, and due to the twisting force of spring hinge, iron block is not
Connection conductor block can be declined again, can in time cut off the power, prevent into one in the case where testee is breakdown
The damage of step.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, embodiment will be described below required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structure diagram of test platform of the present invention；
Fig. 2 is the structure diagram of breakdown breaker device of the present invention；
Fig. 3 is the structure diagram after breakdown breaker device of the present invention is cut off the power.
Fig. 4 is the connection diagram of breakdown breaker device electric elements inside of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment, belongs to the scope of protection of the invention.
As shown in Figs 1-4, the present invention is a kind of sheet resistance test platform, including the first fixture pole plate being oppositely arranged
100 and the second fixture pole plate 200, the first fixture pole plate 100 and the second fixture pole plate 200 be each attached to 300 upper surface of testboard,
Testboard 300 is isolation material；
The positive and negative end of power supply 400 is electrically connected in first fixture pole plate 100 and 200 both ends of the second fixture pole plate,
Power supply 400 is in series with breakdown breaker device 500, and breakdown breaker device 500 is equipped with housing 510, is fixed with the inside of 510 top plate of housing
Electromagnet 520, the lower section of electromagnet 520 are equipped with by the first spring hinge 530 and second spring hinge 540 and 510 side wall of housing
The first baffle 550 and second baffle 560 of flexible connection, first baffle 550 and second baffle 560 are in the first spring hinge 530
Horizontal level is kept under compressing with second spring hinge 540 and is mutually abutted, first baffle 550 and the lower section of second baffle 560
Equipped with the first conductor block 570 and the second conductor block 580, the first conductor block 570 and the top of the second conductor block 580 contact iron block respectively
590 bottoms both ends, 590 upper end of iron block abut first baffle 550 and second baffle 560；
First conductor block 570 is electrically connected one end of 400 electrode of power supply, the second conductor block 580 and electromagnet 520 and first
Fixture pole plate 100 is connected, and the second fixture pole plate 200 is electrically connected the other end of 400 electrode of power supply, is consequently formed closed circuit,
During the test, the conductive layer on tested article surface is powered, and becomes equivalent resistance.
One preference of present embodiment is that the first fixture pole plate 100 and the second fixture pole plate 200 are fine copper material
Matter, and surface gold-plating, in test process is carried out, can be caused to fill after long-time use because the substantial amounts of heat of fuel factor aggregation
Put the overheat of fixture pole plate 100,200 to cause to corrode with the oxygen generation chemical reaction in air, the material of fine copper is with higher
Chemical stability and physical heat stability, effectively avoid corroding, and surface gold-plating can further improve anti-corrosion effects, and
The good conductor of fine copper and Jin Shi electricity, will not image tested article sheet resistance test result.
One preference of present embodiment is that 300 material of testboard is vulcanization insulating rubber slab.
One preference of present embodiment is isolation material between the first fixture pole plate 100 and the second fixture pole plate 200
Insulating coefficient be 1010 Ω m.
One preference of present embodiment is that distance is between the first fixture pole plate 100 and the second fixture pole plate 200
25.4 millimeters, avoid the air between the first fixture pole plate 100 and the second fixture pole plate 200 breakdown.
One preference of present embodiment is, one of fixture pole plate 100,200 is any and tested article contacts area
Multiply 4.75 millimeters for 25.4 millimeters, holding jig pole plate 100, has enough contacts area, prevent between 200 and tested article
Sampling is caused to make an exception since contact area is too small.
One of the present embodiment has particular application as：
When tested object is breakdown, the electric current increase of electromagnet, to increasing in the magnetic attraction of iron block, iron block gram
The oppressive force of self gravitation and baffle is taken, to baffle top, is disconnected electrical between the first conductor block and the second conductor block
Connection, power supply also disconnect the power supply to fixture pole plate, and since the twisting force of spring hinge, iron block will not decline connection again
Conductor block.
In aforesaid operations, compare traditional approach, and electricity can be in time cut off in the case where testee is breakdown
Source, prevents further to damage.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Feature, which is lived, with reference to specific features, structure, the material that the embodiment or example describe is contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (6)
- A kind of 1. sheet resistance test platform, it is characterised in that：Pressed from both sides including the first fixture pole plate (100) being oppositely arranged and second Has pole plate (200), the first fixture pole plate (100) and the second fixture pole plate (200) are each attached to testboard (300) upper table Face, the testboard (300) are isolation material；The positive and negative anodes of power supply (400) are electrically connected in the first fixture pole plate (100) and second fixture pole plate (200) both ends Both ends, the power supply (400) are in series with breakdown breaker device (500), and the breakdown breaker device (500) is equipped with housing (510), Electromagnet (520) is fixed with the inside of housing (510) top plate, is equipped with below the electromagnet (520) and is closed by the first spring The first baffle (550) and second baffle that page (530) and second spring hinge (540) are flexibly connected with housing (510) side wall (560), the first baffle (550) and second baffle (560) are in the first spring hinge (530) and second spring hinge (540) Compressing under keep horizontal level and mutually abut, the first baffle (550) and second baffle (560) lower section led equipped with first Iron is contacted respectively above body block (570) and the second conductor block (580), first conductor block (570) and the second conductor block (580) Block (590) bottom both ends, iron block (590) upper end abut first baffle (550) and second baffle (560)；First conductor block (570) is electrically connected one end of power supply (400) electrode, second conductor block (580) and electromagnetism Iron (520) and the series connection of the first fixture pole plate (100), the second fixture pole plate (200) are electrically connected the another of power supply (400) electrode One end.
- A kind of 2. sheet resistance test platform according to claim 1, it is characterised in that：The first fixture pole plate (100) and the second fixture pole plate (200) is fine copper material, and surface gold-plating.
- A kind of 3. sheet resistance test platform according to claim 1, it is characterised in that：Testboard (300) material To vulcanize insulating rubber slab.
- A kind of 4. sheet resistance test platform according to claim 1, it is characterised in that：The first fixture pole plate (100) insulating coefficient of isolation material is 1010 Ω m between the second fixture pole plate (200).
- A kind of 5. sheet resistance test platform according to claim 4, it is characterised in that：The first fixture pole plate (100) distance is 25.4 millimeters between the second fixture pole plate (200).
- A kind of 6. sheet resistance test platform according to claim 5, it is characterised in that：The fixture pole plate (100, 200) it is one of any to multiply 4.75 millimeters with tested article contacts area for 25.4 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308578.3A CN107976578B (en) | 2017-12-11 | 2017-12-11 | Surface resistance test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308578.3A CN107976578B (en) | 2017-12-11 | 2017-12-11 | Surface resistance test platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107976578A true CN107976578A (en) | 2018-05-01 |
| CN107976578B CN107976578B (en) | 2020-02-18 |
Family
ID=62009889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711308578.3A Active CN107976578B (en) | 2017-12-11 | 2017-12-11 | Surface resistance test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107976578B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201035094Y (en) * | 2007-04-10 | 2008-03-12 | 保定市汇邦电气有限公司 | Insulation protection apparatus pressure test device |
| CN203012097U (en) * | 2012-11-16 | 2013-06-19 | 湖南吉利汽车部件有限公司 | Button endurance testing device |
| CN103308768A (en) * | 2012-03-09 | 2013-09-18 | 陕西飞机工业（集团）有限公司 | Surface resistance test method of antistatic paint film |
| CN104518367A (en) * | 2013-10-04 | 2015-04-15 | 韩炎林 | General, separable, waterproof, automatic switch, self-outage safety power supply socket with multi-hole groups |
| CN204556730U (en) * | 2015-03-05 | 2015-08-12 | 哈尔滨电机厂有限责任公司 | Large-sized water turbine generator stator bar groove portion surface resistance testing instrument |
| CN205333737U (en) * | 2016-01-08 | 2016-06-22 | 宁波智锐新材料有限公司 | Surface resistance measuring device of antistatic coating |
| CN206114711U (en) * | 2016-09-30 | 2017-04-19 | 广西卓能新能源科技有限公司 | Lithium ion battery subassembly resistance test anchor clamps and lithium cell apparatus for producing |
| CN206378533U (en) * | 2016-12-30 | 2017-08-04 | 江苏晶河电子科技有限公司 | A kind of surface resistance testing instrument for FIP conductive glues |
-
2017
- 2017-12-11 CN CN201711308578.3A patent/CN107976578B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201035094Y (en) * | 2007-04-10 | 2008-03-12 | 保定市汇邦电气有限公司 | Insulation protection apparatus pressure test device |
| CN103308768A (en) * | 2012-03-09 | 2013-09-18 | 陕西飞机工业（集团）有限公司 | Surface resistance test method of antistatic paint film |
| CN203012097U (en) * | 2012-11-16 | 2013-06-19 | 湖南吉利汽车部件有限公司 | Button endurance testing device |
| CN104518367A (en) * | 2013-10-04 | 2015-04-15 | 韩炎林 | General, separable, waterproof, automatic switch, self-outage safety power supply socket with multi-hole groups |
| CN204556730U (en) * | 2015-03-05 | 2015-08-12 | 哈尔滨电机厂有限责任公司 | Large-sized water turbine generator stator bar groove portion surface resistance testing instrument |
| CN205333737U (en) * | 2016-01-08 | 2016-06-22 | 宁波智锐新材料有限公司 | Surface resistance measuring device of antistatic coating |
| CN206114711U (en) * | 2016-09-30 | 2017-04-19 | 广西卓能新能源科技有限公司 | Lithium ion battery subassembly resistance test anchor clamps and lithium cell apparatus for producing |
| CN206378533U (en) * | 2016-12-30 | 2017-08-04 | 江苏晶河电子科技有限公司 | A kind of surface resistance testing instrument for FIP conductive glues |
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| Publication number | Publication date |
|---|---|
| CN107976578B (en) | 2020-02-18 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20191206 Address after: 221000 Qianlou Village, Huangji Town, Tongshan District, Xuzhou City, Jiangsu Province, Team 121 Applicant after: Zhuo Houqiao Address before: Honglong square in Baoan District street of Xixiang Bao min road Shenzhen city Guangdong province 518102 block 1 B 2106 Applicant before: Shenzhen three international Wyse Intelligent System Co Ltd |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200107 Address after: 314200 Building 2, east side of Xinxing 7th Road, north side of Duli Road, Pinghu Economic Development Zone, Pinghu City, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Anxin Electric Co., Ltd Address before: 221000 Qianlou Village, Huangji Town, Tongshan District, Xuzhou City, Jiangsu Province, Team 121 Applicant before: Zhuo Houqiao |
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