CN102738725A - Medium-voltage switch cabinet set - Google Patents

Medium-voltage switch cabinet set Download PDF

Info

Publication number
CN102738725A
CN102738725A CN2012102233435A CN201210223343A CN102738725A CN 102738725 A CN102738725 A CN 102738725A CN 2012102233435 A CN2012102233435 A CN 2012102233435A CN 201210223343 A CN201210223343 A CN 201210223343A CN 102738725 A CN102738725 A CN 102738725A
Authority
CN
China
Prior art keywords
chamber
pressure release
bus
handcart
cover plate
Prior art date
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.)
Pending
Application number
CN2012102233435A
Other languages
Chinese (zh)
Inventor
唐秋菊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZUNYI CHANGZHENG ELECTRIC EXPLOSION-PROOF ASSEMBLIES Co Ltd
Original Assignee
ZUNYI CHANGZHENG ELECTRIC EXPLOSION-PROOF ASSEMBLIES Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZUNYI CHANGZHENG ELECTRIC EXPLOSION-PROOF ASSEMBLIES Co Ltd filed Critical ZUNYI CHANGZHENG ELECTRIC EXPLOSION-PROOF ASSEMBLIES Co Ltd
Priority to CN2012102233435A priority Critical patent/CN102738725A/en
Publication of CN102738725A publication Critical patent/CN102738725A/en
Pending legal-status Critical Current

Links

Abstract

The invention relates to a medium-voltage switch cabinet set, which mainly consists of a fixed cabinet body (1), a cable chamber (2), a bus chamber (3), a relay instrument chamber (8) and a handcart chamber (9), each compartment is independently separated by a baffle (10), and the shell of each compartment is grounded; and a pressure release device is respectively arranged in the cable chamber (2), the bus chamber (3) and the handcart chamber (9). For the pressure release devices, the top part of the cable chamber (2) is provided with a cable chamber pressure release cover plate (4), the top part of the bus chamber (3) is provided with a bus chamber pressure release cover plate (5), and the top part of the handcart chamber (9) is provided with a handcart chamber pressure release cover plate (6); and each pressure release cover plate is provided with a nylon rivet (7). The medium-voltage switch cabinet set is a product developed according to meteorological conditions and other specific factors of high-altitude areas, normal operation of switch devices in the high-altitude areas can be ensured reliably, and the medium-voltage switch cabinet set is free from constraints of environmental conditions.

Description

Be pressed into the cover switch cubicle in a kind of
Technical background
The invention belongs to dynamo-electric manufacturing field, be pressed into the cover switch cubicle in particularly a kind of.
Background technology
Be pressed into the normal height above sea level that uses of cover switch cubicle in common below 1000m, the comparatively special height above sea level 2000m that also is no more than.But some high altitude localities equally also needs this switch cubicle, therefore develop a kind of be applicable to the high altitude localities in be pressed into the cover switch cubicle and become a problem that urgency is to be solved.
Summary of the invention
The purpose of this invention is to provide a kind of be applicable to that the high altitude localities uses in be pressed into the cover switch cubicle.
Be pressed into the cover switch cubicle in a kind of, mainly be made up of fixing cabinet, cable vault, bus-bar room, relay control room, handcart chamber, each compartment is independently separated by dividing plate and the equal independent grounding of shell; In the cable vault, bus-bar room, the indoor pressure relief device that is equipped with of handcart.
This pressure relief device is provided with handcart chamber pressure release cover plate for the top that the top that is provided with cable vault's pressure release cover plate, bus-bar room at the top of cable vault is provided with bus-bar room pressure release cover plate, handcart chamber; On each pressure release cover plate, be equipped with nylon rivet.
The present invention is according to specific factors such as high altitude localities meteorological conditions and development product can guarantee reliably that switchgear normally moves in the high altitude localities, does not receive environmental constraints.
Description of drawings
Fig. 1 is for being pressed into the structural representation of cover switch cubicle among the present invention.
Among the figure, the cabinet that 1-is fixing; The 2-cable vault; The 3-bus-bar room; 4-cable vault pressure release cover plate; 5-bus-bar room pressure release cover plate; 6-handcart chamber pressure release cover plate; The 7-nylon rivet; 8-relay control room; 9-handcart chamber; The 10-dividing plate.
Embodiment
The present invention is special in being pressed into the cover switch cubicle in the regional development below the high height above sea level 4000m.Design by the armouring metal enclosed switchgear among the GB3906-91.
Be pressed into the cover switch cubicle in a kind of, by fixing cabinet 1 with can extract the parts two large divisions out and forms, the shell of cabinet and the dividing plate of each functional unit all adopt Bolt Connection.The switch board housing degree of protection is IP4X, and the degree of protection when the breaker chamber door is opened is IP2X.Switch cubicle can be mounted to dual cabinet and arrange, and promptly is mounted to back-to-back or face-to-face double arrangement.
The shell of switch cubicle and dividing plate are by covering aluminium zinc steel plate through the CNC machine tooling; And take multiple flanging technology; Make whole cabinet not only have the precision height; Very strong anticorrosive and antioxidation, and owing to adopt multiple flanging technology to make cabinet lighter than other same category of device cabinet overall weight, mechanical strength is high.Cabinet adopts modular construction, forms with staking nut and high-intensity Bolt Connection, makes the processing cycle short like this, and component universality is strong, and floor space is few, is convenient to tissue production.Switch cubicle is separated into cable vault 2, bus-bar room 3, relay control room 8, handcart chamber 9, the equal independent grounding of each compartment shell.The door of switch cubicle adopts workmanship of spraying plastics, makes its surperficial shock resistance, and is corrosion-resistant, guaranteed the attractive in appearance of profile.
The handcart skeleton adopts steel plate after the CNC machine tooling, to rivet and forms.Handcart and cabinet insulation coordination, mechanical interlocking, safe and reliable flexible.Handcart has isolated location, test position and service position in cabinet, each position is equipped with positioner, and is reliable to guarantee interlocking, must operate by interlocking anti-misoperation program.When handcart is removed cabinet when needs,, just can conveniently extract out, carry out various inspections, maintenance with a special transfer vehicle.
Main electric component in the switch cubicle all has its independently compartment, that is: cable vault 2, bus-bar room 3, relay control room 8, handcart chamber 9.Each compartment degree of protection all reaches IP2X; Except that the control room, other three compartments all have pressure release passage respectively.
(1) rear wall of cable vault 2 can be installed current transformer, voltage transformer, and earthed switch also can be installed lightning arrester in the cable vault.After handcart and horizontal baffle are removed; The workmen just can get into switch cubicle from the front cable is installed, and in the cable vault, is provided with specific cable bonding conductor, can and connect 1-6 root list stamen cable; Simultaneously also prepare the Demountable metallic shrouding, to guarantee the convenience of site operation in its underpart.
(2) bus of bus-bar room 3 causes another switch cubicle from a switch cubicle, fixes through branch bar and fixed contact box.Main bus bar and interbus are the fillet copper bar of square-section, need use two rectangular bus bars when being used for high current load.All bus covers with heat-shrinkable T bush, and flat branch line is connected with fixed contact box main bus bar through the bolt wiring.Bus passes through switch cubicle dividing plate place and supports with insulating sleeve, if outlet internal fault electric arc in the cabinet can prevent that bus from running through fusing, the assurance accident is unlikely to spread to adjacent cabinet, and avoids main bus bar to be out of shape because of electrodynamic effect.
(3) can adorn the relaying protection element, instrument, the secondary device of charged supervision indicating device and specific (special) requirements in the control room 8.Control circuit is located in the wire casing in enough spaces, and metal cover board is arranged, and the left side wire casing is for the introduction of controlling little bus and draws reservation that the inner secondary line of switch cubicle self is located at the right side.Leave also on the side plate of control room that little bus passes through the position, hole so that construction.
(4) guide rail that supplies circuit breaker cart to slide has been installed in handcart chamber 9.Handcart can move between service position, test position, isolated location.Movable curtain plate is processed by metallic plate, is installed on the rear wall of handcart chamber.Handcart moves to the process of service position from isolated location, test position; The preceding movable curtain plate of fixed contact that is contained on the fixed contact box in bus cell and the cable vault is automatically opened; Move handcart in the other direction; Movable curtain plate auto-closing is closed the fixed contact box, thereby has ensured that operating personnel do not touch electrified body.Handcart is closed under the situation at the door of switch cubicle and is operated; Can see handcart residing position in cabinet through observation window, the while also can see On (with so that breaker closing)/OFF (with so that breaker open operation) button and the ON/OFF mechanical pointer on the handcart and energy storage/releasing can status indicator.
Medium Voltage Switchgear of the present invention also is provided with reliable interlock, and for operating personnel and attendant provide reliable safeguard protection, it acts on as follows:
(1) after handcart moved to isolated location, test position from the service position, movable curtain plate separated the fixed contact box, prevents the mistakenly entering into charged compartment.During maintenance, available padlock locks movable curtain plate.
When (2) circuit breaker is in "on" position, handcart can not pull out from the service position or from the isolated location, test position is pushed into the service position; The handcart of circuit breaker is lock test position or service position fully.
Could be operated when (3) earthed switch is only outside handcart is in isolated location, test position and cabinet, when earthed switch was in "on" position, handcart can not be from the isolated location, test position retreats to the service position.
(4) handcart is when the service position, and secondary plug is locked and can not unplugs.
Compress switch in the present invention and be equipped with pressure relief device in the cable vault 2, bus-bar room 3, handcart chamber 9 of cabinet.This pressure relief device is provided with handcart chamber pressure release cover plate 6 for the top that the top that is provided with cable vault's pressure release cover plate 4, bus-bar room at the top of cable vault is provided with bus-bar room pressure release cover plate 5, handcart chamber; On each pressure release cover plate, be equipped with a nylon rivet 7.In the high altitude localities, along with height above sea level increases, outside atmosphere air pressure reduces gradually, and when the air pressure in each compartment reached certain intensity, pressure can be washed nylon rivet 7 open and carry out pressure release, and the interior atmospheric pressure of each compartment and the atmospheric pressure of switch external are consistent.High height above sea level Medium Voltage Switchgear is that source improves design with common Medium Voltage Switchgear, and cabinet size and common Medium Voltage Switchgear are consistent, and supporting solid sealing type vacuum circuit breaker makes it not receive the adverse effect of extraneous factors such as condensation, filth as cut-offfing element.According to the relevant criterion requirement, the installation site of primary element is revised by the instructions for use of 4000 meters of height above sea level, strengthens the creepage distance of insulation distance, insulating part between conductor, and bus is all done fillet and handled, and avoids point discharge.
The present invention is according to specific factors such as high altitude localities meteorological conditions and development product, and the technical performance of components and parts all will satisfy the specification requirement of high height above sea level, thereby makes product reach the technical performance of high altitude localities.

Claims (2)

1. be pressed into the cover switch cubicle in one kind, mainly be made up of fixing cabinet (1), cable vault (2), bus-bar room (3), relay control room (8), handcart chamber (9), each compartment is independently separated and the equal independent grounding of shell by dividing plate (10); It is characterized in that: cable vault (2), bus-bar room (3), handcart chamber at said Medium Voltage Switchgear are provided with pressure relief device in (9).
2. be pressed into the cover switch cubicle according to claim 1 is said in a kind of, it is characterized in that: said pressure relief device is: the top that the top that the top of (2) is provided with cable vault's pressure release cover plate (4), bus-bar room (3) in the cable vault is provided with bus-bar room pressure release cover plate (5), handcart chamber (9) is provided with handcart chamber pressure release cover plate (6); On said each pressure release cover plate, be equipped with a nylon rivet (7).
CN2012102233435A 2012-06-29 2012-06-29 Medium-voltage switch cabinet set Pending CN102738725A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012102233435A CN102738725A (en) 2012-06-29 2012-06-29 Medium-voltage switch cabinet set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012102233435A CN102738725A (en) 2012-06-29 2012-06-29 Medium-voltage switch cabinet set

Publications (1)

Publication Number Publication Date
CN102738725A true CN102738725A (en) 2012-10-17

Family

ID=46993749

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012102233435A Pending CN102738725A (en) 2012-06-29 2012-06-29 Medium-voltage switch cabinet set

Country Status (1)

Country Link
CN (1) CN102738725A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103490321A (en) * 2013-10-10 2014-01-01 昆山振宏电子机械有限公司 Middle power distribution cabinet
CN107732748A (en) * 2017-11-27 2018-02-23 成都量之星科技有限公司 A kind of high-tension switch gear applied to transformer station
CN107785807A (en) * 2017-10-16 2018-03-09 四川电器集团股份有限公司 A kind of switchgear integral layout

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005304200A (en) * 2004-04-13 2005-10-27 Nissin Electric Co Ltd Gas insulated switchgear
CN201402927Y (en) * 2009-05-01 2010-02-10 山东泰开成套电器有限公司 Nuclear power medium-voltage switch cabinet
CN202084825U (en) * 2011-05-16 2011-12-21 贵州长征电器成套有限公司 Indoor high-voltage switch cabinet

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005304200A (en) * 2004-04-13 2005-10-27 Nissin Electric Co Ltd Gas insulated switchgear
CN201402927Y (en) * 2009-05-01 2010-02-10 山东泰开成套电器有限公司 Nuclear power medium-voltage switch cabinet
CN202084825U (en) * 2011-05-16 2011-12-21 贵州长征电器成套有限公司 Indoor high-voltage switch cabinet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103490321A (en) * 2013-10-10 2014-01-01 昆山振宏电子机械有限公司 Middle power distribution cabinet
CN107785807A (en) * 2017-10-16 2018-03-09 四川电器集团股份有限公司 A kind of switchgear integral layout
CN107732748A (en) * 2017-11-27 2018-02-23 成都量之星科技有限公司 A kind of high-tension switch gear applied to transformer station

Similar Documents

Publication Publication Date Title
CN202084825U (en) Indoor high-voltage switch cabinet
CN102738726A (en) Indoor high-voltage switch cabinet
CN203504044U (en) Armoured central-positioned switch cabinet
CN2836283Y (en) Armored central enclosed AC metal switch apparatus
CN205377147U (en) Put formula of puing aside switchgear among indoor interchange metal armor
CN101483322A (en) Armored withdraw type metal enclosed switch cabinet
CN104348107A (en) All condition intelligent armored moving-type alternating current metal closed switch equipment
CN203553648U (en) High-voltage switch cabinet
CN201877691U (en) Switch cabinet
CN205670647U (en) A kind of KYN 40.5kV Intelligent high voltage switch cabinet
CN102738725A (en) Medium-voltage switch cabinet set
CN204793799U (en) In put formula cubical switchboard
CN202737372U (en) Indoor high voltage switch cabinet
CN102646941A (en) High-voltage switch cabinet
CN203415894U (en) Low-voltage draw-out type switch equipment
CN207530421U (en) A kind of indoor armored AC metal closed switch cabinet
CN202524003U (en) High-voltage switchgear
CN203747282U (en) Armored moved type AC metal enclosed switchgear
CN205609971U (en) High -voltage cabinet
CN108574224A (en) A kind of indoor armored AC metal closed switch cabinet
CN203596533U (en) Overhead inlet wire armour metal enclosed switchgear having withdrawable vacuum circuit breaker
CN103427361A (en) Indoor alternating current metal armor switch device
CN209860412U (en) Switch cabinet
CN2521797Y (en) Indoor metal-clad with drawable switch equipment
CN205282915U (en) Complete switch cabinet

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20121017