CN107843819A - One kind insulation Withstand test device - Google Patents
One kind insulation Withstand test device Download PDFInfo
- Publication number
- CN107843819A CN107843819A CN201711262357.7A CN201711262357A CN107843819A CN 107843819 A CN107843819 A CN 107843819A CN 201711262357 A CN201711262357 A CN 201711262357A CN 107843819 A CN107843819 A CN 107843819A
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- CN
- China
- Prior art keywords
- insulant
- measured
- experiment
- insulation
- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
One kind insulation Withstand test device, comprising:Pressure-bearing testing device, it is used to accommodate insulant to be measured, realizes between insulant to be measured and the high-insulation between insulant to be measured and ground;Pressue device, it is electrically connected with insulant to be measured, provides experiment high pressure for insulant to be measured, and can automatically control the rate of rise and pressure decay rate;Detection means, it is electrically connected with pressure-bearing testing device, has overcurrent protection function and over-voltage protecting function, for detecting Leakage Current, so as to detect whether the insulating properties of insulant to be measured meet standard.The present invention can accurately survey reading data, protect the personal safety of testing crew again, and prevent the damage to instrument in itself, improve the security and operating efficiency of experiment, be easy, efficient, preferable insulating properties detection instrument.
Description
Technical field
The present invention relates to one kind insulation Withstand test device.
Background technology
Industrial frequency AC pressure test is to being applied certain high pressure and being kept for certain time by test specimen, with checking subject thing insulation
The ability of certain high pressure can be born, so as to ensure to be tested the safe to use of thing.Because ac voltage withstanding test voltage is typically than operation
Voltage is high, therefore has larger margin of safety by being tested thing after experiment, so ac voltage withstanding experiment is to ensureing safety appliance
Security has vital effect.
The ac voltage withstanding experiment capacitance current values for using milliampere meter reading, that is, reading subject thing, this is one of experiment more
Important content, the characteristics of experiment according to ac voltage withstanding, subject thing now requires instrument energy non-Ji Chuan Time electric currents are small, voltage is low
Accurate measurement reads stimulus and differentiates whether leakage current exceeds by test specification standard, to judge to be tested whether thing closes
Lattice;As subject thing Bei Ji Chuan Time, electric current, voltage can increase suddenly, and high pressure can be added on test apparatus, and this is just to test operation people
The safety and instrument and equipment safety belt of member has a strong impact on.Therefore must be furnished with the protection device of anti-over-voltage and over-current to detecting instrument
The safe and smooth progress of experiment can just be made.
The content of the invention
The present invention provides a kind of insulation Withstand test device, can accurately survey reading data, protect the people of testing crew again
Body safety, and the damage to instrument in itself is prevented, the security and operating efficiency of experiment are improved, is easy, efficient, preferable
Insulating properties detection instrument.
In order to achieve the above object, the present invention provides a kind of insulation Withstand test device, comprising:
Pressure-bearing testing device, it is used to accommodate insulant to be measured, realizes between insulant to be measured and insulant to be measured and ground
Between high-insulation;
Pressue device, it is electrically connected with insulant to be measured, and experiment high pressure is provided for insulant to be measured;
Detection means, it is electrically connected with pressure-bearing testing device, has overcurrent protection function and over-voltage protecting function, is let out for detecting
Reveal electric current, so as to detect whether the insulating properties of insulant to be measured meet standard.
Described pressure-bearing testing device includes:
Insulation Test stroller, it is used to accommodate experiment conductor bucket;
Conductor bucket is used in experiment, and it is used to accommodate insulant to be measured;
Output electrode, it is electrically connected with experiment conductor bucket, for guiding Leakage Current;
Check bar, it is arranged on Insulation Test stroller, positioned at experiment with above conductor bucket, for hanging insulant to be measured.
Described pressue device includes:
High pressure generator, it is used to provide experiment high pressure;
High-field electrode, it is electrically connected with high pressure generator, and is contacted with the water body in insulant to be measured, for inducing current into water
Body.
The detection means stated includes:
Milliammeter is exchanged, it is electrically connected with output electrode, for testing the size of Leakage Current;
Resettable fuse, between it is connected on output electrode and exchanges milliammeter, for realizing overcurrent protection;
Discharge tube, it is connected in parallel on exchange milliammeter, for realizing overvoltage protection.
The quantity of described Insulation Test stroller is at least one, and Insulation Test stroller uses high insulating materials, insulation examination
The length for testing stroller can guarantee that between each experiment conductor bucket there is safe distance.
Described experiment is multiple with the quantity setting of conductor bucket, and each experiment matches a height respectively with conductor bucket
Piezoelectricity pole with exchange milliammeter, also corresponding matching one resettable fuse and discharge tube.
Described detection means also has display device and storage device, for showing the leakage current of each test product, and certainly
It is dynamic to preserve test result.
The present invention uses intelligentized control method pressure regulator boost process, and pressure test is performed fully automatic, can accurately survey reading
According to, the personal safety of testing crew is protected again, and the damage to instrument in itself is prevented, improve security and the work of experiment
Efficiency, it is easy, efficient, preferable insulating properties detection instrument.
Brief description of the drawings
Fig. 1 is a kind of structural representation of Withstand test device that insulate provided by the invention.
Embodiment
Presently preferred embodiments of the present invention is illustrated below according to Fig. 1.
The present invention provides a kind of insulation Withstand test device, comprising:
Pressure-bearing testing device, it is used to accommodate insulant to be measured, realizes between insulant to be measured and insulant to be measured and ground
Between high-insulation;
Pressue device, it is electrically connected with insulant to be measured, and experiment high pressure is provided for insulant to be measured;
Detection means 3, it is electrically connected with pressure-bearing testing device, for detecting Leakage Current, so as to detect the exhausted of insulant to be measured
Whether edge performance meets standard.
Further, as shown in figure 1, described pressure-bearing testing device includes:
Insulation Test stroller 101, it is used to accommodate experiment conductor bucket 102;
Conductor bucket 102 is used in experiment, and it is used to accommodate insulant 4 to be measured;
Output electrode 103, it is electrically connected with experiment conductor bucket 102, for guiding Leakage Current;
Check bar 104, it is arranged on Insulation Test stroller 101, positioned at experiment with above conductor bucket 102, is treated for hanging
Survey insulant 4.
Described pressue device includes:
High pressure generator 201, it is used to provide experiment high pressure;
High-field electrode 202, it is electrically connected with high pressure generator 201, and contacted with the water body in insulant to be measured, for by electric current
Import water body.
Described detection means 3 includes:
Milliammeter is exchanged, it is electrically connected with output electrode 103, for testing the size of Leakage Current;
Resettable fuse, between it is connected on output electrode 103 and exchanges milliammeter, for realizing overcurrent protection;
Discharge tube, it is connected in parallel on exchange milliammeter, for realizing overvoltage protection.
The quantity of described Insulation Test stroller 101 is at least one, and Insulation Test stroller 101 uses high insulating materials,
The length of Insulation Test stroller 101, which can guarantee that between each experiment conductor bucket 102, has safe distance, therefore between staving,
High-insulation between staving and ground.
The quantity of described experiment conductor bucket 102 can set multiple, and each experiment conductor bucket 102 is distinguished
Match a high-field electrode 202 and exchange milliammeter, also accordingly match a resettable fuse and discharge tube.
In the preferred embodiment of the present invention, insulation Withstand test device includes a high pressure generator 201 and two
Insulation Test stroller 101, four experiments are set to use conductor bucket 102 on each stroller 101, experiment conductor bucket 102 is adopted
With stainless steel, from eight experiments with eight output electrodes are drawn on conductor bucket 102, eight exchange milliamperes are connected respectively to
In table.
In the present embodiment, the insulation Withstand test device is used for the insulating properties for testing insulating boot and/or insulating glove.
Insulating boot and/or insulating glove are suspended on check bar 104, filled in insulating boot and/or insulating glove a number of
Water, makes insulating boot and/or insulating glove is suspended in the experiment equipped with water with conductor bucket 102, insulating boot and/or insulating glove
A barrel wall is not contacted, and a high-field electrode 202 is inserted in the water body in each insulating boot and/or insulating glove, high pressure is occurred
The output end of device 201 is connected with high-field electrode 202, is automatically adjusted to required experiment high pressure, is then added to each insulating boot
And/or on insulating glove, joint test is connected with the output electrode 103 of conductor bucket 102 with exchange milliammeter, can be leaked
Electric current, which is surveyed, to be read, and judges insulating glove by the reading of leakage current(Boots)It is whether qualified, if not detecting Leakage Current,
Illustrate insulating glove(Boots)Insulating properties it is qualified, if detecting Leakage Current, illustrate insulating glove(Boots)Insulating properties
It is not up to standard.
Described detection means 3 also has display device and storage device, can show the leakage current of each test product, and certainly
It is dynamic to preserve test result.
The present invention realizes anti-overflow protection and anti-over-voltage protecting function using two concrete measures.
One resettable fuse of series connection before milliammeter input is exchanged, setup parameter is selected in exchange milliammeter input
Within range ability, when input current is less than setting Can Shuo Time, resettable fuse conducting, current signal can input AC milli
Pacify table and on a display screen normal reading;In the case of occurring by test specimen high-voltage breakdown, electric current moment increase, when more than setting
Can Shuo Time, the resettable fuse turn off, and protect used exchange milliammeter not to be short-circuited electric current and burn, when high pressure is hit
State Xiao Chu Time are worn, the resettable fuse and can returns to normally state, can so disconnect protection and can automatically certainly
Dynamic recovery function serves effect conveniently, safely to the measuring instrument device.
Overvoltage protection is carried out using discharge tube, according to test requirements document, selects appropriate discharge voltage, under normal circumstances,
Discharge tube is off, and exchange milliammeter normally reading can measure, and when subject thing is breakdown, high pressure moment is added to detection dress
3 Time are put, discharge tube can discharge rapidly, so as to protect the safety of exchange milliammeter and operating personnel.In breakdown conditions Xiao Chu Time, put
Fulgurite and can automatically restores to normal off-state.Therefore using the method for parallel discharge pipe so that whenever can both protect
The safety of milliammeter is protected, and can allows testing crew safely to read to survey instrument at any time, is the preferable over-voltage protection method of the present apparatus.
The present invention uses intelligentized control method pressure regulator boost process, and pressure test is performed fully automatic, can accurately survey reading
According to, the personal safety of testing crew is protected again, and the damage to instrument in itself is prevented, improve security and the work of experiment
Efficiency, it is easy, efficient, preferable insulating properties detection instrument.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (7)
1. one kind insulation Withstand test device, it is characterised in that include:
Pressure-bearing testing device, it is used to accommodate insulant to be measured, realizes between insulant to be measured and insulant to be measured and ground
Between high-insulation;
Pressue device, it is electrically connected with insulant to be measured, and experiment high pressure is provided for insulant to be measured;
Detection means(3), it is electrically connected with pressure-bearing testing device, has overcurrent protection function and over-voltage protecting function, for examining
Leakage Current is surveyed, so as to detect whether the insulating properties of insulant to be measured meet standard.
2. insulation Withstand test device as claimed in claim 1, it is characterised in that described pressure-bearing testing device includes:
Insulation Test stroller(101), it is used to accommodate experiment conductor bucket(102);
Conductor bucket is used in experiment(102), it is used to accommodate insulant to be measured(4);
Output electrode(103), it is electrically connected with experiment conductor bucket(102), for guiding Leakage Current;
Check bar(104), it is arranged on Insulation Test stroller(101)On, positioned at experiment conductor bucket(102)Top, it is used for
Hang insulant to be measured(4).
3. insulation Withstand test device as claimed in claim 2, it is characterised in that described pressue device includes:
High pressure generator(201), it is used to provide experiment high pressure;
High-field electrode(202), it is electrically connected with high pressure generator(201), and contacted with the water body in insulant to be measured, for inciting somebody to action
Electric current imports water body.
4. insulation Withstand test device as claimed in claim 3, it is characterised in that described detection means(3)Comprising:
Milliammeter is exchanged, it is electrically connected with output electrode(103), for testing the size of Leakage Current;
Resettable fuse, it is connected on output electrode(103)Between exchanging milliammeter, for realizing overcurrent protection;
Discharge tube, it is connected in parallel on exchange milliammeter, for realizing overvoltage protection.
5. insulation Withstand test device as claimed in claim 4, it is characterised in that described Insulation Test stroller(101)'s
Quantity is at least one, Insulation Test stroller(101)Using high insulating materials, Insulation Test stroller(101)Length can guarantee that
Conductor bucket is used in each experiment(102)Between there is safe distance.
6. insulation Withstand test device as claimed in claim 5, it is characterised in that described experiment conductor bucket(102)
Quantity set it is multiple, conductor bucket is used in each experiment(102)A high-field electrode is matched respectively(202)With exchange milliampere
Table, also accordingly match a resettable fuse and discharge tube.
7. insulation Withstand test device as claimed in claim 6, it is characterised in that described detection means(3)Also have aobvious
Showing device and storage device, for showing the leakage current of each test product, and automatically save test result.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711262357.7A CN107843819A (en) | 2017-12-04 | 2017-12-04 | One kind insulation Withstand test device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711262357.7A CN107843819A (en) | 2017-12-04 | 2017-12-04 | One kind insulation Withstand test device |
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Publication Number | Publication Date |
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CN107843819A true CN107843819A (en) | 2018-03-27 |
Family
ID=61663565
Family Applications (1)
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CN201711262357.7A Pending CN107843819A (en) | 2017-12-04 | 2017-12-04 | One kind insulation Withstand test device |
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CN (1) | CN107843819A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109633387A (en) * | 2018-12-06 | 2019-04-16 | 天长市恒生医疗器械有限公司 | A kind of rubber gloves voltage-withstand test sink and its test method |
CN112198402A (en) * | 2020-10-09 | 2021-01-08 | 广东电网有限责任公司佛山供电局 | Insulating tool testing device and method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201622320U (en) * | 2010-03-24 | 2010-11-03 | 万轶伦 | Electrical testing device for insulating safety tools |
CN207937549U (en) * | 2017-12-04 | 2018-10-02 | 国网上海市电力公司 | A kind of insulation Withstand test device |
-
2017
- 2017-12-04 CN CN201711262357.7A patent/CN107843819A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201622320U (en) * | 2010-03-24 | 2010-11-03 | 万轶伦 | Electrical testing device for insulating safety tools |
CN207937549U (en) * | 2017-12-04 | 2018-10-02 | 国网上海市电力公司 | A kind of insulation Withstand test device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109633387A (en) * | 2018-12-06 | 2019-04-16 | 天长市恒生医疗器械有限公司 | A kind of rubber gloves voltage-withstand test sink and its test method |
CN112198402A (en) * | 2020-10-09 | 2021-01-08 | 广东电网有限责任公司佛山供电局 | Insulating tool testing device and method |
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Application publication date: 20180327 |
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