CN105180879A - Circuit breaker contact engagement depth measurement method enabling convenient and accurate measurement - Google Patents
Circuit breaker contact engagement depth measurement method enabling convenient and accurate measurement Download PDFInfo
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- CN105180879A CN105180879A CN201510419376.0A CN201510419376A CN105180879A CN 105180879 A CN105180879 A CN 105180879A CN 201510419376 A CN201510419376 A CN 201510419376A CN 105180879 A CN105180879 A CN 105180879A
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- handcart
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- circuit breaker
- displacement stroke
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- 238000005259 measurement Methods 0.000 title claims abstract description 14
- 238000000691 measurement method Methods 0.000 title abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 7
- 230000003068 static effect Effects 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 9
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229940099259 vaseline Drugs 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005269 aluminizing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- Keying Circuit Devices (AREA)
- Mechanisms For Operating Contacts (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a circuit breaker contact engagement depth measurement method enabling convenient and accurate measurement. According to the method, after a handcart type circuit breaker is pushed into a switch cabinet, counting is started as long as a moving contact enters a fixed contact, namely, counting is started as long as the pushing rod of a displacement sensor pushes the fixed contact, and as long as a handcart is moved to a working position, and a segment of displacement stroke can be generated, and the displacement stroke is detected and outputted through the sensor, and is read and processed through a data processing module, and finally, displacement stroke data are directly displayed in a human-machine interface display module; whether the displacement stroke data satisfy the requirements of the engagement depth of the moving contact and the fixed contact of the handcart type circuit breaker of a high-voltage switch cabinet is judged through a worker; if the displacement stroke data satisfy the requirements of the engagement depth of the moving contact and the fixed contact of the handcart type circuit breaker, the handcart is moved away, a measuring device is removed, and a handcart working position is reset; and if the displacement stroke data do not satisfy the requirements of the engagement depth of the moving contact and the fixed contact of the handcart type circuit breaker, the worker is required to move away the handcart, and the number of fixed contact mounting gaskets is increased or decreased according to needs, and the above work is repeated until the displacement stroke data satisfy the requirements of the engagement depth of the moving contact and the fixed contact of the handcart type circuit breaker. The measurement method of the invention is advantageous in convenient and accurate measurement.
Description
The divisional application that the application is application number 201410341260.5, applying date 2014.7.18, title " close armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement measuring method ".
Technical field
The present invention relates to a kind of closed armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement measuring method.
Background technology
High-tension switch cabinet refers to for electric system generating, transmission of electricity, distribution, electric energy conversion and plays the effects such as break-make, control or protection in consuming; high-tension switch cabinet is by making the electric equipment products of electric pressure at 3.6kV ~ 550kV; high voltage isolator and grounding switch, high voltage load switch, high pressure automatic reclosing and sectionaliser, several large classes such as high-voltage actuating mechanism, high-voltage explosion-proof power distribution equipment and high-tension switch cabinet.
High-tension switch cabinet has the functions such as built on stilts line, cable incoming-outgoing wire, bus contact.Mainly be applicable to various different field such as generating plant, transformer station, petrochemical complex, metallurgical steel rolling, industry light industry textile industry, industrial enterprise and residential quarters, skyscraper etc.
High-tension switch cabinet should meet ac metal closing switch gear, and " relevant requirements of standard, is made up of cabinet and isolating switch two major part, and cabinet is made up of housing, electric elements (comprising insulating part), various mechanism, secondary terminals and line etc.
High-tension switch cabinet is divided into withdraw-type (handcart-type) and fixed by isolating switch mounting means; Be divided into indoor and outdoor by infield; The large class of metal enclosed armoured switch cabinet, the metal enclosed box switch cubicle of metal enclosed spaced switch Gui ﹑ and open type switch cubicle four can be divided into by cabinet body structure.
The high-tension switch cabinet of indoor, metal enclosed armored, band handcart type breaker, be commonly referred to armoured removable type alternating (hereinafter referred to as switch cubicle), its common voltage grade comprises 10kV, 20kV, 35kV etc.Be mainly used in generating plant, transformer station, medium and small generator power transmission, industrial and mineral enterprises and institutions distribution and Large-scale High-Pressure motor starting etc.For accepting and distributing electric energy, and control, protection and monitoring are carried out to circuit.
Switch cubicle is by the cabinet fixed and can remove parts (handcart) two large divisions and form.Can remove parts (handcart) to be made up of chassis and breaker body, propulsive mechanism is arranged on inside chassis.2 wheels are respectively equipped with in two sides, chassis, in-built needle bearing, make handcart light and flexible when propelling, pull-out.Handcart is divided into circuit breaker cart, isolation handcart, voltage mutual inducer trolley, earth handcart etc.According to the function of electrical equipment in cabinet, cabinet dividing plate is divided into four different functional units, comprising: breaker chamber, bus-bar room, cable vault and metering house.Dividing plate between the shell of cabinet and each functional unit all adopts aluminizing zine plate to bend and forms.The static contact of isolating switch is installed in the cabinet side that breaker chamber is fixed, the moving contact of breaker (Mume flower contact) that parts (handcart) side is provided with pairing can be removed, occur in closed breaker chamber portion during the two engagement, cannot the depth of engagement of both direct vision.
High-tension switch cabinet operates, and wheelbarrow switch moves to working position from testing position, hand wheelbarrow switch, starts counting, until shake this LAP to working position, be engagement (insertion) degree of depth of dynamic/static contact when moving contact enters static contact.
Switch cubicle must check the depth of engagement of handcart type breaker dynamic/static contact after newly installing, the depth of engagement of 10kV ~ 35kV handcart type breaker dynamic/static contact is 15 ~ 30mm, and measurement size must be accurate to grade.Traditional measuring method is: on static contact, be coated with a small amount of vaseline, handcart is pushed into run location, then pulls out outside cabinet by handcart, stays the impression on static contact when then measuring the engagement of handcart dynamic/static contact.Wheelbarrow switch, the hand process to working position be can't see, hand also touch less than, this original measurement method can only be adopted, dimensional data error is very large, especially in summer high-temperature season, when temperature is more than 35 DEG C, vaseline liquefaction, does not see impression, even without impression, check and accept to in-site measurement and bring very large difficulty, accurate, the reliable contacts (must under bus bar side and feeder line side power-off condition) of handcart type breaker dynamic/static contact cannot be ensured, and easily make mistakes.
Summary of the invention
A kind of measurement is the object of the present invention is to provide conveniently, accurately to close armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement measuring method.
Technical solution of the present invention is:
A kind of closed armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement measuring method, it is characterized in that: the position of shifting out from switch cubicle at handcart, 6 of metal enclosed armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement intelligent measuring device cover displacement sensor module are arranged on the A of high-voltage switch cubicle handcart formula isolating switch, B, in the inner counter sink of C three-phase 6 moving contacts, power lead and signal wire are drawn in the space, border of Mume flower contact, and draw high-tension switch cabinet through the space of handcart type breaker, with power module, data processing module is connected.When after handcart type breaker push-on switch cabinet, moving contact starts counting when entering static contact, namely the push rod top of displacement transducer is to starting counting during static contact, until handcart moves to working position, one section of displacement stroke can be produced, this LAP is the depth of engagement of dynamic/static contact, and this displacement stroke detects through sensor and reads and process with output, data processing module, directly shows displacement stroke data in final man-machine interface display module; Determine whether through staff the dynamic/static contact depth of engagement requirement reaching high-voltage switch cubicle handcart formula isolating switch, if reach requirement, can handcart be removed, remove this measurement mechanism, reset handcart working position; If do not reach requirement, then require that staff removes handcart, increase or reduce the quantity that static contact installs pad as required, then repeat above-mentioned work, till meeting the demands.
The present invention program is reasonable, the accurate measurement of handcart type breaker dynamic/static contact engagement can be realized, convenient and reliable, the problems such as the measurement difficulty solving traditional measurement method is large, dimensional data error large, reliability is not high, accurately measure realizing the metal enclosed armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement, guarantee that dynamic/static contact reliable contacts has very great meaning.This measurement mechanism is finally measured and display precision can reach ± 0.1mm.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is measuring method process flow diagram of the present invention.
Fig. 2 is the present invention's measurement mechanism schematic diagram used.
Embodiment
A kind of closed armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement measuring method, in the position that handcart shifts out from switch cubicle 1, 6 of metal enclosed armouring high-voltage switch cubicle handcart formula isolating switch 2 contact engagement depth intelligent measuring device cover displacement sensor module 7 are arranged on the A of high-voltage switch cubicle handcart formula isolating switch, B, in C three-phase 6 inner counter sinks of moving contact 3, power lead and signal wire are drawn in the space, border of moving contact (Mume flower contact), and draw high-tension switch cabinet through the space of handcart type breaker, with power module 4, data processing module 5 is connected.When after handcart type breaker push-on switch cabinet, moving contact starts counting when entering static contact, namely the push rod top of displacement transducer is to starting counting during static contact 6, until handcart moves to working position, one section of displacement stroke can be produced, this LAP is the depth of engagement of dynamic/static contact, and this displacement stroke detects through sensor and reads and process with output, data processing module, directly shows displacement stroke data in final man-machine interface display module 8; Determine whether through staff the dynamic/static contact depth of engagement requirement reaching high-voltage switch cubicle handcart formula isolating switch, if reach requirement, can handcart be removed, remove this measurement mechanism, reset handcart working position; If do not reach requirement, then require that staff removes handcart, increase or reduce the quantity that static contact installs pad as required, then repeat above-mentioned work, till meeting the demands.
Claims (1)
1. measure convenience, accurately contact of breaker depth of engagement measuring method for one kind, it is characterized in that: the position of shifting out from switch cubicle at handcart, 6 of metal enclosed armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement intelligent measuring device cover displacement sensor module are arranged in the inner counter sink of A, B, C three-phase 6 moving contacts of high-voltage switch cubicle handcart formula isolating switch, power lead and signal wire are drawn in the space, border of moving contact, and draw high-tension switch cabinet through the space of handcart type breaker, be connected with power module, data processing module; When after handcart type breaker push-on switch cabinet, moving contact starts counting when entering static contact, namely the push rod top of displacement transducer is to starting counting during static contact, until handcart moves to working position, one section of displacement stroke can be produced, this LAP is the depth of engagement of dynamic/static contact, and this displacement stroke detects through sensor and reads and process with output, data processing module, directly shows displacement stroke data in final man-machine interface display module; Determine whether through staff the dynamic/static contact depth of engagement requirement reaching high-voltage switch cubicle handcart formula isolating switch, if reach requirement, can handcart be removed, remove this measurement mechanism, reset handcart working position; If do not reach requirement, then require that staff removes handcart, increase or reduce the quantity that static contact installs pad as required, then repeat above-mentioned work, till meeting the demands; Measurement and display precision reach ± 0.1mm.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410341260.5A CN104112997B (en) | 2014-07-18 | 2014-07-18 | Close armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement measuring method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410341260.5A Division CN104112997B (en) | 2014-07-18 | 2014-07-18 | Close armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement measuring method |
Publications (1)
| Publication Number | Publication Date |
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| CN105180879A true CN105180879A (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410341260.5A Active CN104112997B (en) | 2014-07-18 | 2014-07-18 | Close armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement measuring method |
| CN201510419376.0A Withdrawn CN105180879A (en) | 2014-07-18 | 2014-07-18 | Circuit breaker contact engagement depth measurement method enabling convenient and accurate measurement |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410341260.5A Active CN104112997B (en) | 2014-07-18 | 2014-07-18 | Close armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement measuring method |
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| Country | Link |
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| CN (2) | CN104112997B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526890A (en) * | 2016-01-05 | 2016-04-27 | 国家电网公司 | Handcart switch cabinet contact centering degree measuring device and method |
| CN110081812A (en) * | 2019-05-30 | 2019-08-02 | 川开电气有限公司 | Dynamic/static contact depth of engagement measuring device |
| CN113765015A (en) * | 2021-08-06 | 2021-12-07 | 华能景泰热电有限公司 | Method for detecting contact state of moving contact and fixed contact of high-voltage switch cabinet trolley |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390565A (en) * | 2014-12-09 | 2015-03-04 | 川铁电气（天津）集团有限公司 | Method for measuring contact depth of movable and stationary contacts of breaker handcart |
| CN105203029A (en) * | 2015-08-18 | 2015-12-30 | 国网四川省电力公司德阳供电公司 | Handcart switch cabinet contact contacting travel test system and test method thereof |
| CN105674872A (en) * | 2016-03-30 | 2016-06-15 | 江苏省电力公司东台市供电公司 | Centrally installed switchgear handcart movable and fixed contact insertion depth measuring instrument |
| CN110567419B (en) * | 2019-07-29 | 2021-12-07 | 深圳供电局有限公司 | Breaker contact engagement depth detection device |
| KR102364757B1 (en) * | 2020-04-03 | 2022-02-17 | 엘에스일렉트릭(주) | Switchgear Monitoring System |
| CN111610467B (en) * | 2020-05-19 | 2022-08-26 | 上海舒盈科技股份有限公司 | Switch cabinet capable of automatically detecting contact engagement state and detection method thereof |
| CN113513962A (en) * | 2021-04-19 | 2021-10-19 | 河南平高通用电气有限公司 | Movable and static contact meshing distance measuring handcart for switch cabinet |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2995955B2 (en) * | 1991-10-18 | 1999-12-27 | 日産自動車株式会社 | Tap depth measuring device |
| CN201622046U (en) * | 2010-01-22 | 2010-11-03 | 广东天富电气有限公司 | Measuring device for detecting inserting depth of contact of cart |
| CN101949671B (en) * | 2010-08-02 | 2011-12-14 | 河南省电力公司驻马店供电公司 | Measurer for stroke of moving and fixed contacts of middle-placed switch cabinet handcart switch |
| CN203056443U (en) * | 2012-12-04 | 2013-07-10 | 中发电气股份有限公司 | High-voltage switch cabinet convenient for measuring breaker |
-
2014
- 2014-07-18 CN CN201410341260.5A patent/CN104112997B/en active Active
- 2014-07-18 CN CN201510419376.0A patent/CN105180879A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526890A (en) * | 2016-01-05 | 2016-04-27 | 国家电网公司 | Handcart switch cabinet contact centering degree measuring device and method |
| CN110081812A (en) * | 2019-05-30 | 2019-08-02 | 川开电气有限公司 | Dynamic/static contact depth of engagement measuring device |
| CN113765015A (en) * | 2021-08-06 | 2021-12-07 | 华能景泰热电有限公司 | Method for detecting contact state of moving contact and fixed contact of high-voltage switch cabinet trolley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104112997B (en) | 2016-06-22 |
| CN104112997A (en) | 2014-10-22 |
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Application publication date: 20151223 |