CN105066873A - Breaker contact engagement depth measuring apparatus with accurate measurement - Google Patents
Breaker contact engagement depth measuring apparatus with accurate measurement Download PDFInfo
- Publication number
- CN105066873A CN105066873A CN201510419348.9A CN201510419348A CN105066873A CN 105066873 A CN105066873 A CN 105066873A CN 201510419348 A CN201510419348 A CN 201510419348A CN 105066873 A CN105066873 A CN 105066873A
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- China
- Prior art keywords
- handcart
- contact
- displacement
- breaker
- static contact
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/26—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring depth
Abstract
The invention discloses a breaker contact engagement depth measuring apparatus with accurate measurement. The breaker contact engagement depth measuring apparatus comprises six sets of displacement sensors, the six sets of displacement sensors are respectively arranged in counterbores in six moving contacts of three phases A, B, and C of a high-voltage switch cabinet handcart type breaker, a power line and a signal line are led out via a surrounding gap of a tulip contact, led out of a high-voltage switch cabinet via the space of a handcart type breaker, and connected with a data processing device, and the data processing device is connected with a display device. According to the breaker contact engagement depth measuring apparatus, the structure is reasonable, and the measurement is convenient and accurate.
Description
The divisional application that the application is application number 201410341258.8, applying date 2014.7.18, title " close armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement measurement mechanism ".
Technical field
The present invention relates to a kind of closed armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement measurement mechanism.
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
The object of the present invention is to provide a kind of rational in infrastructure, measure and conveniently, accurately close armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement measurement mechanism.
Technical solution of the present invention is:
A kind of closed armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement measurement mechanism, it is characterized in that: comprise six cover displacement transducers, six cover displacement transducers are loaded in the inner counter sink of A, B, C three-phase 6 moving contacts of high-voltage switch cubicle handcart formula isolating switch respectively, 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 data processing equipment, data processing equipment is connected to man-machine interface display module; Displacement transducer selects contact or guiding back springing type displacement transducer, transducer range is chosen as 10mm ~ 100mm, sensor accuracy is chosen as 0.1% ~ 1%, sensor power power supply selects direct current 5V, 10V, 12V or 24V electric pressure, and the output of displacement transducer is chosen as voltage 0 ~ 5V or 0 ~ 10V; Or the output of displacement transducer is chosen as current signal 0 ~ 10mA, 0 ~ 20mA or 4 ~ 20mA;
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 equipment, finally can directly show displacement stroke data in the man-machine interface display module of this measurement mechanism; 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 invention provides a kind of metal enclosed armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement intelligent measuring device, by to " solve in-site installation, debugging, measurement, technique in examination loaded down with trivial details, measure difficulty and the problem such as greatly, easily to make mistakes, guarantee precision, the dynamic/static contact reliable contacts measured " there is very great meaning.
The present invention program is reasonable, during use, displacement sensor module is arranged in moving contact (Mume flower contact) the inner counter sink of high-voltage switch cubicle handcart formula isolating switch, ensure that displacement transducer push rod (pin) synchronously can touch static contact with moving contact, 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.When after handcart type breaker push-on switch cabinet, moving contact starts counting when entering static contact, namely push rod (pin) 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 engagement (insertion) degree of depth of dynamic/static contact, and this displacement stroke can show in the man-machine interface of this measurement mechanism.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 the structural representation of one embodiment of the invention.
Embodiment
A kind of closed armouring high-voltage switch cubicle handcart formula contact of breaker depth of engagement measurement mechanism, comprise six cover displacement transducers 1, six cover displacement transducers are loaded in A, B, C three-phase six inner counter sinks of moving contact 6 of high-voltage switch cubicle handcart formula isolating switch respectively, 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, be connected with data processing equipment 2, data processing equipment is connected to display device (routine man-machine interface) 3.Supply unit 8 is also had in figure.
Data processing equipment adopts the data processing equipment (as forms such as data collecting cards) of existing maturation, and display device can select the forms such as digital quantity Displaying Meter, PDA or direct display in a computer.
Displacement transducer selects contact, guiding back springing type displacement transducer, such as differential transformer displacement sensor, transducer range is chosen as 10mm ~ 100mm, sensor accuracy is chosen as 0.1% ~ 1%, sensor power power supply selects the conventional measurement mechanism electric pressures such as direct current 5V, 10V, 12V or 24V, and the output of displacement transducer is chosen as common voltage (0 ~ 5V or 0 ~ 10V) or conventional current signal (0 ~ 10mA, 0 ~ 20mA or 4 ~ 20mA).
Comprise six cover displacement transducers, six cover displacement transducers are loaded in the inner counter sink of A, B, C three-phase 6 moving contacts of high-voltage switch cubicle handcart formula isolating switch respectively, 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, be connected with data processing equipment, data processing equipment is connected to man-machine interface display module; Displacement transducer selects contact or guiding back springing type displacement transducer, transducer range is chosen as 10mm ~ 100mm, sensor accuracy is chosen as 0.1% ~ 1%, sensor power power supply selects direct current 5V, 10V, 12V or 24V electric pressure, and the output of displacement transducer is chosen as voltage 0 ~ 5V or 0 ~ 10V; Or the output of displacement transducer is chosen as current signal 0 ~ 10mA, 0 ~ 20mA or 4 ~ 20mA;
When after handcart type breaker 4 push-on switch cabinet 5, moving contact 6 starts counting when entering static contact 7, 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 equipment, finally can directly show displacement stroke data in the man-machine interface display module of this measurement mechanism; 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 contact of breaker depth of engagement measurement mechanism accurately for one kind, it is characterized in that: comprise six cover displacement transducers, six cover displacement transducers are loaded in the inner counter sink of A, B, C three-phase 6 moving contacts of high-voltage switch cubicle handcart formula isolating switch respectively, 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 data processing equipment, data processing equipment is connected to man-machine interface display module; Displacement transducer selects contact or guiding back springing type displacement transducer, transducer range is chosen as 10mm ~ 100mm, sensor accuracy is chosen as 0.1% ~ 1%, sensor power power supply selects direct current 5V, 10V, 12V or 24V electric pressure, and the output of displacement transducer is chosen as voltage 0 ~ 5V or 0 ~ 10V; Or the output of displacement transducer is chosen as current signal 0 ~ 10mA, 0 ~ 20mA or 4 ~ 20mA; Moving contact is Mume flower contact; Displacement transducer adopts differential transformer displacement sensor;
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 equipment, finally can directly show displacement stroke data in the man-machine interface display module of this measurement mechanism; 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.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410341258.8A CN104111028A (en) | 2014-07-18 | 2014-07-18 | Device for measuring meshing depth of contacts of handcart type circuit breaker of closed armored high-voltage switch cabinet |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410341258.8A Division CN104111028A (en) | 2014-07-18 | 2014-07-18 | Device for measuring meshing depth of contacts of handcart type circuit breaker of closed armored high-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105066873A true CN105066873A (en) | 2015-11-18 |
Family
ID=51707917
Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610163443.1A Withdrawn CN105698669A (en) | 2014-07-18 | 2014-07-18 | Reasonable-structure-based measuring device for engagement depth of circuit breaker contacts |
| CN201610163441.2A Pending CN105698668A (en) | 2014-07-18 | 2014-07-18 | Guaranteed-measurement-precision-based measuring device for engagement depth of circuit breaker contacts |
| CN201610163433.8A Withdrawn CN105806212A (en) | 2014-07-18 | 2014-07-18 | Breaker contact engagement depth measuring device meeting requirement |
| CN201610163431.9A Pending CN105698666A (en) | 2014-07-18 | 2014-07-18 | Precise-measurement-realization-based measuring device for engagement depth of circuit breaker contacts |
| CN201510419349.3A Pending CN105066874A (en) | 2014-07-18 | 2014-07-18 | Breaker contact engagement depth measuring apparatus with convenient measurement |
| CN201410341258.8A Pending CN104111028A (en) | 2014-07-18 | 2014-07-18 | Device for measuring meshing depth of contacts of handcart type circuit breaker of closed armored high-voltage switch cabinet |
| CN201610163418.3A Withdrawn CN105806211A (en) | 2014-07-18 | 2014-07-18 | Breaker contact engagement depth measuring device reasonable in structure and precise in measurement |
| CN201610163437.6A Withdrawn CN105806213A (en) | 2014-07-18 | 2014-07-18 | Convenient and reliable device for measuring depth of engagement of circuit breaker contacts |
| CN201510419348.9A Pending CN105066873A (en) | 2014-07-18 | 2014-07-18 | Breaker contact engagement depth measuring apparatus with accurate measurement |
| CN201610163435.7A Pending CN105698667A (en) | 2014-07-18 | 2014-07-18 | Reasonable-scheme-based measuring device for engagement depth of circuit breaker contacts |
Family Applications Before (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610163443.1A Withdrawn CN105698669A (en) | 2014-07-18 | 2014-07-18 | Reasonable-structure-based measuring device for engagement depth of circuit breaker contacts |
| CN201610163441.2A Pending CN105698668A (en) | 2014-07-18 | 2014-07-18 | Guaranteed-measurement-precision-based measuring device for engagement depth of circuit breaker contacts |
| CN201610163433.8A Withdrawn CN105806212A (en) | 2014-07-18 | 2014-07-18 | Breaker contact engagement depth measuring device meeting requirement |
| CN201610163431.9A Pending CN105698666A (en) | 2014-07-18 | 2014-07-18 | Precise-measurement-realization-based measuring device for engagement depth of circuit breaker contacts |
| CN201510419349.3A Pending CN105066874A (en) | 2014-07-18 | 2014-07-18 | Breaker contact engagement depth measuring apparatus with convenient measurement |
| CN201410341258.8A Pending CN104111028A (en) | 2014-07-18 | 2014-07-18 | Device for measuring meshing depth of contacts of handcart type circuit breaker of closed armored high-voltage switch cabinet |
| CN201610163418.3A Withdrawn CN105806211A (en) | 2014-07-18 | 2014-07-18 | Breaker contact engagement depth measuring device reasonable in structure and precise in measurement |
| CN201610163437.6A Withdrawn CN105806213A (en) | 2014-07-18 | 2014-07-18 | Convenient and reliable device for measuring depth of engagement of circuit breaker contacts |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610163435.7A Pending CN105698667A (en) | 2014-07-18 | 2014-07-18 | Reasonable-scheme-based measuring device for engagement depth of circuit breaker contacts |
Country Status (1)
| Country | Link |
|---|---|
| CN (10) | CN105698669A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021132A (en) * | 2015-07-15 | 2015-11-04 | 国家电网公司 | Laser non-contact type centrally-installed cabinet handcart contact stroke tester |
| CN105021158A (en) * | 2015-07-15 | 2015-11-04 | 国家电网公司 | Handcart switch contact insertion depth tester |
| 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 |
| CN105004251A (en) * | 2015-08-18 | 2015-10-28 | 国家电网公司 | Tool for measuring contact depth of contacts of switch cabinet handcart |
| CN107490329A (en) * | 2016-06-12 | 2017-12-19 | 江苏大全长江电器股份有限公司 | Handcart switch cabinet contact position examines dolly |
| CN105953716A (en) * | 2016-06-13 | 2016-09-21 | 中国石油天然气集团公司 | Contact travel testing instrument for 6-kilovolt trolley switch unit |
| CN106653407A (en) * | 2017-02-15 | 2017-05-10 | 江苏森源电气股份有限公司 | Intelligent detection apparatus for contact travel of tulip contact of circuit breaker |
| CN110307798A (en) * | 2019-06-28 | 2019-10-08 | 国网山东省电力公司临沂供电公司 | Switchgear dynamic/static contact with insertion depth measuring instrument |
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| CN1107227A (en) * | 1994-02-16 | 1995-08-23 | 中国电力工业部电力科学研究院 | High-voltage breaker mechanic property testing system and on-line checking method |
| CN101344369A (en) * | 2008-08-18 | 2009-01-14 | 天津市电力公司 | Handcart once contact stroke test device for high-tension switch cabinet |
| WO2011067013A1 (en) * | 2009-12-02 | 2011-06-09 | Robert Bosch Gmbh | Distance measuring device for non-contact distance measurement having an integrated goniometer |
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| CN203587043U (en) * | 2013-10-23 | 2014-05-07 | 国家电网公司 | Contact insertion depth measuring device for trolley type circuit breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2875293B2 (en) * | 1989-08-11 | 1999-03-31 | 株式会社日立製作所 | Switchboards and circuit breakers |
| CN2837779Y (en) * | 2005-05-13 | 2006-11-15 | 上海中发电气(集团)有限公司 | Duckbilled contact engagement depth detector |
| CN202710015U (en) * | 2012-07-13 | 2013-01-30 | 吉林龙鼎电气股份有限公司 | Moving contact and static contact effective meshing length test device |
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2014
- 2014-07-18 CN CN201610163443.1A patent/CN105698669A/en not_active Withdrawn
- 2014-07-18 CN CN201610163441.2A patent/CN105698668A/en active Pending
- 2014-07-18 CN CN201610163433.8A patent/CN105806212A/en not_active Withdrawn
- 2014-07-18 CN CN201610163431.9A patent/CN105698666A/en active Pending
- 2014-07-18 CN CN201510419349.3A patent/CN105066874A/en active Pending
- 2014-07-18 CN CN201410341258.8A patent/CN104111028A/en active Pending
- 2014-07-18 CN CN201610163418.3A patent/CN105806211A/en not_active Withdrawn
- 2014-07-18 CN CN201610163437.6A patent/CN105806213A/en not_active Withdrawn
- 2014-07-18 CN CN201510419348.9A patent/CN105066873A/en active Pending
- 2014-07-18 CN CN201610163435.7A patent/CN105698667A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1107227A (en) * | 1994-02-16 | 1995-08-23 | 中国电力工业部电力科学研究院 | High-voltage breaker mechanic property testing system and on-line checking method |
| CN101344369A (en) * | 2008-08-18 | 2009-01-14 | 天津市电力公司 | Handcart once contact stroke test device for high-tension switch cabinet |
| WO2011067013A1 (en) * | 2009-12-02 | 2011-06-09 | Robert Bosch Gmbh | Distance measuring device for non-contact distance measurement having an integrated goniometer |
| CN202734803U (en) * | 2012-08-07 | 2013-02-13 | 中国西电集团公司 | Device for performing digitization detection for depth of cut of middle mounted switch cabinet |
| CN203587043U (en) * | 2013-10-23 | 2014-05-07 | 国家电网公司 | Contact insertion depth measuring device for trolley type circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105698667A (en) | 2016-06-22 |
| CN105698666A (en) | 2016-06-22 |
| CN105806211A (en) | 2016-07-27 |
| CN105698668A (en) | 2016-06-22 |
| CN104111028A (en) | 2014-10-22 |
| CN105066874A (en) | 2015-11-18 |
| CN105806212A (en) | 2016-07-27 |
| CN105806213A (en) | 2016-07-27 |
| CN105698669A (en) | 2016-06-22 |
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| PB01 | Publication | ||
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Application publication date: 20151118 |