CN102738726A - Indoor high-voltage switch cabinet - Google Patents
Indoor high-voltage switch cabinet Download PDFInfo
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- CN102738726A CN102738726A CN2012102465381A CN201210246538A CN102738726A CN 102738726 A CN102738726 A CN 102738726A CN 2012102465381 A CN2012102465381 A CN 2012102465381A CN 201210246538 A CN201210246538 A CN 201210246538A CN 102738726 A CN102738726 A CN 102738726A
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Abstract
The invention discloses an indoor high-voltage switch cabinet. A cabinet body adopts an assembled structure, and is divided into a bus chamber, a handcart chamber, a cable chamber and a relay instrument chamber through a horizontally assembled baffle and a vertically assembled baffle, which are connected with one another through bolts, nuts and riveting nuts; the bus chamber, the cable chamber and the handcart chamber are respectively provided with pressure release devices; the bus chamber is provided with a branch small bus, a bus sleeve, a main bus, a fixed contact device, a fixed contact box and a current transformer; the cable chamber is provided with a grounding switch, a cable feed line, a lightning arrester and a grounding bus; the relay instrument chamber is provided with relay protection elements, an instrument, high voltage presence indicating device and a control small bus; and the handcart chamber is provided with a secondary plug, a heating device, a breaker handcart and a screw rod mechanism. The indoor high-voltage switch cabinet has the advantages that the assembled structure has high strength, the outer appearance is artistic, the shape of an electrode is optimized, the structure is compact, the occupied space is small, the accuracy is high, the interchangeability is good, the oxidation resistance is good, the heat dissipation is good, large current can be transmitted, the voltage is high, all switches and rear cabinet doors have against incorrect operation and mechanical interlocking functions, and the five-prevention functions are complete.
Description
Technical field
The invention belongs to the technical field of power supply grid electrical equipment, especially belong to a kind of indoor high-voltage switch cubicle.
Background technology
Along with the development of society and the increase of population, to the utilance in reliability and the soil of power supply require increasingly highly, switch cubicle will develop towards miniaturization, highly reliable, low consumption, environmental protection aspect; Along with the employing of new technology, new material, new processing technology and assembly technology, the application of new designing concept, the size of not only having dwindled switch cubicle has improved their reliability, and makes its profile more attractive in appearance.Modular construction can improve the machining accuracy of cabinet, guarantees to exchange reliably, also helps manufactory's tissue simultaneously and produces, and saves floor occupying area, and is easy to form and produces in batches, shortens the production cycle.Therefore, the modular construction of high-tension switch cabinet main body will progressively replace old-fashioned Welding Structure.
This novel indoor high-voltage switch cubicle is to replace KYN28 type high-tension switch cabinet and the high-tension switch cabinet of the 7.2 ~ 24kV of a new generation electric pressure developed; Its cabinet is a modular construction; Overcome the welding cabinet and reserved stress deformation because of welding and influence cooperating of handcart and cabinet, handcart interchangeability is poor, and profile is not attractive in appearance; Shortcomings such as degree of protection is low, and volume is big.This indoor high-voltage switch cubicle has mechanical strength height, high, good, the good looking appearance of interchangeability of precision, has very strong antioxygenic property, and the shell protection grade is characteristics such as IP4X, reliability height.This indoor high-voltage switch cubicle is the product of the 7.2 ~ 24kV of a new generation of domestic release; The vacuum circuit-breaker of big capacity such as new VS1-24 that releases of adapted or ZN73-24, high breaking, the heat sink conception of employing science can transmit big electric current, high voltage safely and reliably; Volume is little; In light weight, breaking capacity is high, flexible operation, reliable, safety.
Summary of the invention
The purpose of this invention is to provide that a kind of mechanical strength is high, precision is high, interchangeability good, good looking appearance, indoor high-voltage switch cubicle that antioxygenic property is good; Cabinet is the assembly type cabinet body structure: this indoor high-voltage switch cubicle is by A, bus-bar room; B, handcart chamber; C, cable vault, D, four compartments in relay control room are formed; Four compartments respectively by: pressure relief device, the little bus of branch, bus casing, main bus bar, static contact head device, fixed contact box, current transformer, earthed switch, cable feeder line, lightning arrester, earth bus, the little bus of control, vertically loading and unloading type dividing plate, active clapboard, secondary plug, heater, circuit breaker cart (VS1-24), screw body, horizontal loading and unloading type dividing plate are formed.The assembly type cabinet is formed by connecting through bolt and nut and riveting nut; Be divided into A, B, C, four locellus of D in the cabinet, by horizontal loading and unloading type dividing plate and vertically loading and unloading type dividing plate separation, A is a bus-bar room; B is the handcart chamber; C is the cable vault, and D is the relay control room, is provided with pressure relief device, the little bus of branch, bus pipe box, main bus bar, static contact head device, fixed contact box, current transformer in the bus-bar room A; Be provided with earthed switch, cable feeder line, lightning arrester, earth bus in the C of cable vault; Relay control room mouth is located at the upper end of cabinet and handcart chamber, front B, and the D of relay control room is provided with the little bus of control; Be provided with secondary plug in the B of handcart chamber, heater, circuit breaker cart and screw body.
Adopt the beneficial effect of technique scheme to be:
1, the present invention selects for use import aluminizing zine plate or high-quality cold-rolled steel sheet after numerical control metal plate machine-shaping, is formed by connecting through high-strength bolt nut and riveting nut, and general component surface adopts plastic-blasting, sprays paint and zincincation.
2, with the insulating means of pyrocondensation insulating material or epoxy coated, optimize electrode shape, the cabinet inner structure is compact, and floor space is little.
3, the present invention is big capacity, high breaking type switch cubicle, and circuit is had control, protection and measurement etc., can take Based Intelligent Control.
4, cabinet is a modular construction, and mechanical strength is high, precision is high, interchangeability good, good looking appearance, has very strong antioxygenic property, and the shell protection grade is IP4X.
5, switch cubicle of the present invention is the indoor high-voltage switch cubicle of new generation of domestic release; The vacuum circuit-breaker of big capacity such as new VS1-24 that releases of adapted or ZN73-24, high breaking; The heat sink conception of employing science can transmit big electric current, high voltage safely and reliably.
6, be provided with the mechanical interlocks that prevents misoperation between handcart of the present invention, circuit breaker, earthed switch and the rear cabinet door, " five is anti-" is multiple functional, safe and reliable.
Description of drawings
Fig. 1 is the cutaway view of indoor high-voltage switch cubicle of the present invention;
Among the figure: the A-bus-bar room; B-handcart chamber; The C-cable vault; D-relay control room; The 1-pressure relief device; The little bus of 2-branch; The 3-bus casing; The 4-main bus bar; The 5-static contact head device; 6-fixed contact box; The 7-current transformer; The 8-earthed switch; 9-cable feeder line; The 10-lightning arrester; The 11-earth bus; 12-controls little bus; The vertical loading and unloading type dividing plate of 13-; The 14-active clapboard; The 15-secondary plug; The 16-heater; 17-circuit breaker cart (VS1-24); The 18-screw body; The horizontal loading and unloading type dividing plate of 19-.
Embodiment:
The contrast accompanying drawing is explained assembling cabinet indoor high-voltage switch cubicle of the present invention: separated cabinet with vertical loading and unloading type dividing plate 13 by horizontal loading and unloading type dividing plate 19 and form four independent compartment: A, bus-bar room; B, handcart chamber; C, cable vault; D, relay control room, the shell protection grade is IP4X, between each cell with the breaker chamber door when opening degree of protection be IP2X.Cabinet adopts middle withdrawable, and modular construction makes that component universality is stronger, with short production cycle, the production floor space is little.Have built on stilts turnover line, cable turnover line and other function scheme of electric power, after arranging, making up, become the power distribution equipment of various scheme forms.The assembly type cabinet is formed by connecting through bolt and nut and riveting nut; Be divided into A, B, C, four locellus of D in the cabinet, by horizontal loading and unloading type dividing plate 19 and vertically loading and unloading type dividing plate 13 separations, A is a bus-bar room; B is the handcart chamber; C is the cable vault, and D is the relay control room, is provided with the little bus of pressure relief device 1, branch 2, bus pipe box 3, main bus bar 4, static contact head device 5, fixed contact box 6, current transformer 7 in the bus-bar room A; Be provided with ground switch 8, cable feeder line 9, lightning arrester 10, earth bus 11 in the C of cable vault; Relay control room mouth is located at the upper end of cabinet and handcart chamber, front B, and the D of relay control room is provided with the little bus 12 of control; Be provided with secondary plug 15 in the B of handcart chamber, heater 16, circuit breaker cart 17 and screw body 18.
1, shell and other
Shell of the present invention adopts import aluminizing zine plate or high-quality cold-rolled steel sheet to be connected with riveting nut through nut bolt through numerical control metal plate processing bending and molding; Be separated into the chamber by horizontal loading and unloading type dividing plate and vertical loading and unloading type dividing plate; Each member adopts plastic-blasting, sprays paint or plating zinc on surface technology; Make cabinet not only have very high precision like this, and have compared with similar products in light weight, mechanical strength is high, good looking appearance, has very strong anticorrosive and antioxygenic property.
2, handcart
Handcart skeleton of the present invention adopts sheet metal after Digit Control Machine Tool processing, to assemble, handcart and cabinet insulation coordination, mechanical interlocking safety, reliable, flexible.Be divided into circuit breaker cart, voltage transformer handcart, ground connection handcart, isolate handcart according to different purposes handcarts, the same specification handcart can freely exchange.Handcart has disconnection/test position and service position in cabinet, each position has positioner respectively, and is reliable to guarantee interlocking, must operate by interlocking anti-misoperation program.Various handcarts all adopt screw mandrel, nut to advance, withdraw from, and its operation is light, flexible.Adopt middle, when handcart need be removed cabinet, just can conveniently take out with a special-purpose car that rotates, whole dolly volume is little, and it is all extremely convenient to check, safeguard.When circuit breaker cart is transported into cabinet handcart chamber; Just can be positively locked in disconnection/test position, and have only fully and just can shake propulsive mechanism after the locking, push handcart to service position; The mechanical interlocking of handcart can reliably guarantee handcart only in work or test position, and circuit breaker could close a floodgate; Only under gate-dividing state, circuit breaker could move handcart.
3, compartment
The main electric component of the present invention all has its individual compartment: handcart chamber, bus-bar room, cable vault, relay control room, except that the relay control room, other three compartment is respectively equipped with pressure release passage.
(1) bus-bar room A
(2) handcart chamber B
Guide rail has been installed in the cabinet both sides; Supply circuit breaker cart 17 in cabinet, to move to the service position by isolation/test position; After the active clapboard 14 of fixed contact box 6 is installed in the rear wall of handcart chamber; When circuit breaker cart moves to from disconnection/test position the process of service position, valve on the upper and lower fixed contact box and handcart interlock are opened simultaneously automatically; Auto-closing then when moving in the other direction retreats to certain position and safety covers the fixed contact box until handcart, form effectively to isolate, simultaneously since upper and lower valve do not link, the valve of lockable electricity side when maintenance, thus guarantee attendant's safety.
(3) C of cable vault
This novel indoor high-voltage switch cubicle adopts middle; So the space, cable vault is bigger; Current transformer 7 is loaded on the horizontal loading and unloading type dividing plate 19, and earthed switch 8 is contained on the compartment back-wall, and lightning arrester 10 is installed on the compartment rear lower; After circuit breaker cart 17 and horizontal loading and unloading type dividing plate 19 removed, the workmen just can get into installation and maintenance in the cabinet from the front.Cable feeder line bonding conductor in the cable vault, every phase is 1-3 root single-core cable also, and every in case of necessity phase can and connect 6 single-core cables.
(4) D of relay control room
The secondary device of relaying protection components and parts, instrument and high-voltage charge display device and specific (special) requirements is installed by the relay control room.Control circuit is laid in the wire casing in enough spaces, and metal cover board is arranged, and its left side wire casing is for the introduction of controlling little bus 12 and draws reservation.On the top board of relay control room, also leave the little bus of being convenient to construct and pass through the hole, control room's lamina tecti can overturn during wiring, is convenient to control the installation of little bus.
(5) prevent the misoperation interlock
In this novel indoor high-voltage switch cubicle safe and reliable interlock is housed, satisfies the requirement of " five is anti-" fully.
A., suggestive button or KK type change over switch are housed on the D of the relay control room door, close/minute circuit breaker to prevent mistake.
B. circuit breaker cart 17 is when test/service position, and circuit breaker just can close the branch operation, and behind breaker closing, handcart can't move, and prevents on-load mistake push-and-pull circuit breaker.
C. when earthed switch 8 was in the separating brake position, circuit breaker cart 17 could move to the service position from test/open position; When circuit breaker cart 17 was in test/open position, earthed switch 8 just can carry out closing operation.Realized preventing charged mistake splice grafting ground switch and prevented to close when earthed switch is in make position closing circuit breaker.
When d. earthed switch 8 was in the separating brake position, Xiamen and back door all can't be opened, and prevented the charged interval of mistake people.
E. the Xiamen, back is not when closing, and earthed switch 8 can not separating brake, guarantees operations staff's safety.
F. circuit breaker cart 17 is when the service position, and secondary plug 15 is locked and can not pulls out.
(6) pressure relief device
Above circuit breaker cart chamber, bus-bar room and cable vault, be equipped with pressure relief device 1; When circuit breaker or bus generation internal fault electric arc; The cabinet internal gas pressure raises; At this moment the special seal circle that is contained on the door is closed the cabinet front, and the pressure release metallic plate of top equipment is with regard to release pressure and drainage gas, to guarantee the safety of operating personnel and switch cubicle.
(7) position of secondary plug and handcart interlocking
The secondary line of secondary line on this novel high-pressure switch cubicle and circuit breaker cart 17 is got in touch with through secondary plug 15.The moving contact of secondary plug 15 links through a nylon bellows and circuit breaker cart 17.Secondary plug can plugged and remove to circuit breaker cart only when test/open position,, and owing to the mechanical interlocking effect, secondary plug was locked, and can not be disengaged when circuit breaker cart was in the service position.
(8) charged display unit
Like customer requirements, can be in switch cubicle the high voltage display device of installation and measuring primary circuit operation.This device is made up of high pressure sensor and portable display Unit two, is connected as a single entity through user's external wire.This device not only can be pointed out the charged state of high tension loop, but also can cooperate with electromagnetic lock, realizes forced blocking switch knob, net door, reach to prevent splice grafting ground, charged pass switch, prevent the charged interval of mistake people, thus the anti-error performance of raising product.
(9) earthing device
Set up 5 * 40mm in the cable vault of this switch cubicle separately
2The ground connection copper bar, run through adjacent each cabinet, well contact with cabinet, this ground connection row supplies the components and parts of direct ground connection to use, and links with cabinet simultaneously, and whole cabinet all is among the good ground state, guarantees operation personnel's safety.
Claims (7)
1. indoor high-voltage switch cubicle; It is characterized in that: cabinet is a modular construction; Cabinet is divided into four independent compartments; Be separated in cabinet by horizontal loading and unloading type dividing plate (19) and vertical loading and unloading type dividing plate (13): bus-bar room A, handcart chamber B, the C of cable vault, the D of relay control room, the assembly type cabinet is connected with riveting nut through bolt and nut; Bus-bar room A, the C of cable vault, B three Room, handcart chamber are respectively equipped with pressure relief device (1), are provided with the little bus of branch (2) in the bus-bar room A, bus pipe box (3), main bus bar (4), static contact head device (5), fixed contact box (6), current transformer (7); Be provided with earthed switch (8), cable feeder line (9), lightning arrester (10), earth bus (11) in the C of cable vault; The D of relay control room is located at the top of handcart chamber, the front B of cabinet; Install relaying protection components and parts, instrument and high-voltage charge display device and be provided with control little bus (12) this control room; Be provided with secondary plug (15), heater (16) in the B of handcart chamber, circuit breaker cart (17) and screw body (18).
2. according to the indoor high-voltage switch cubicle of claim 1, it is characterized in that: described circuit breaker cart (17) and cabinet insulation coordination, mechanical interlocking, handcart (17) adopt screw mandrel, nut to advance, withdraw from.
3. according to the indoor high-voltage switch cubicle of claim 1; It is characterized in that: the main bus bar among the bus-bar room A (4) is that the separate unit splicing runs through connection each other; Fixing through branch bar (2) and fixed contact box (6); Main bus bar and interbus are the square-section copper bar, and branch bar (2) connects with fixed contact box (6) and main bus bar (4) through bolt, and adjacent cabinet bus is fixing with bus casing (3).
4. according to the indoor high-voltage switch cubicle of claim 1; It is characterized in that: among the B of handcart chamber, the cabinet both sides are equipped with guide rail, supply circuit breaker cart (17) in cabinet, to move to the service position by isolation/test position; After the active clapboard (14) of fixed contact box (6) is installed in the wall of handcart chamber; Circuit breaker cart (17) is displaced to the service position from disconnection/test, and valve on the upper and lower fixed contact box and handcart interlock are opened simultaneously automatically; Move then auto-closing in the other direction.
5. according to the indoor high-voltage switch cubicle of claim 1; It is characterized in that: current transformer among the C of cable vault (7) is loaded on the horizontal loading and unloading type dividing plate (19); Earthed switch (18) is contained on the cable compartment rear wall, and lightning arrester (10) is installed in the cable compartment rear lower.
6. according to the indoor high-voltage switch cubicle of claim 1, it is characterized in that: the little bus of establishing among the described relay D of control room of control (12), control little bus and be laid in the wire casing, and metal cover board is arranged; Relay control room lamina tecti can overturn.
7. according to the indoor high-voltage switch cubicle of claim 1; It is characterized in that: described secondary plug (15) is to get in touch with through secondary line and secondary plug (15) with breaker handcart (17), and the moving contact of secondary plug (15) joins through nylon bellows and circuit breaker cart (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102465381A CN102738726A (en) | 2012-07-17 | 2012-07-17 | Indoor high-voltage switch cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102465381A CN102738726A (en) | 2012-07-17 | 2012-07-17 | Indoor high-voltage switch cabinet |
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| CN102738726A true CN102738726A (en) | 2012-10-17 |
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| CN2012102465381A Pending CN102738726A (en) | 2012-07-17 | 2012-07-17 | Indoor high-voltage switch cabinet |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103594948A (en) * | 2013-11-15 | 2014-02-19 | 宁夏天地经纬电力设备工程有限公司 | Armor moving-open type metal-enclosed switchgear |
| CN103594947A (en) * | 2013-11-15 | 2014-02-19 | 宁夏天地经纬电力设备工程有限公司 | Moving-off type metal-enclosed switch gear |
| CN104078853A (en) * | 2014-07-03 | 2014-10-01 | 镇江市江岛电器制造有限公司 | Novel switch cabinet |
| CN104577848A (en) * | 2013-10-24 | 2015-04-29 | 镇江华翔机电制造有限公司 | Indoor AC (Alternating Current) metal-clad movable-type switching equipment |
| CN104934889A (en) * | 2015-07-07 | 2015-09-23 | 国网上海市电力公司 | Disconnectable switch cabinet of busbar connection portion |
| CN106229182A (en) * | 2016-08-16 | 2016-12-14 | 安徽罗伯特科技股份有限公司 | The assemble method of vacuum circuit breaker |
| CN107482514A (en) * | 2017-08-23 | 2017-12-15 | 焦彭彭 | A kind of handcart-type high voltage electric switch cabinet |
| CN107623276A (en) * | 2017-10-17 | 2018-01-23 | 杭州世创电子技术股份有限公司 | An indoor armored removable metal-enclosed switchgear |
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| CN104577848A (en) * | 2013-10-24 | 2015-04-29 | 镇江华翔机电制造有限公司 | Indoor AC (Alternating Current) metal-clad movable-type switching equipment |
| CN103594947A (en) * | 2013-11-15 | 2014-02-19 | 宁夏天地经纬电力设备工程有限公司 | Moving-off type metal-enclosed switch gear |
| CN103594948A (en) * | 2013-11-15 | 2014-02-19 | 宁夏天地经纬电力设备工程有限公司 | Armor moving-open type metal-enclosed switchgear |
| CN104078853A (en) * | 2014-07-03 | 2014-10-01 | 镇江市江岛电器制造有限公司 | Novel switch cabinet |
| CN104934889B (en) * | 2015-07-07 | 2018-02-02 | 国网上海市电力公司 | A kind of busbar connecting portion can breakaway-element switch cubicle |
| CN104934889A (en) * | 2015-07-07 | 2015-09-23 | 国网上海市电力公司 | Disconnectable switch cabinet of busbar connection portion |
| CN106229182A (en) * | 2016-08-16 | 2016-12-14 | 安徽罗伯特科技股份有限公司 | The assemble method of vacuum circuit breaker |
| CN107482514A (en) * | 2017-08-23 | 2017-12-15 | 焦彭彭 | A kind of handcart-type high voltage electric switch 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 |
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| CN107706800A (en) * | 2017-11-15 | 2018-02-16 | 广东电网有限责任公司清远供电局 | Metal enclosed switchgear flame-proof type cabinet is pressed in a kind of 10kV |
| CN108574224A (en) * | 2017-12-10 | 2018-09-25 | 人民电器集团上海有限公司 | A kind of indoor armored AC metal closed switch cabinet |
| CN108767727A (en) * | 2018-08-10 | 2018-11-06 | 南通阿斯通电器制造有限公司 | A kind of 12kV assembleds switchgear |
| CN110415590A (en) * | 2019-08-12 | 2019-11-05 | 西安亚成电子设备科技有限公司 | A kind of intelligence power supply and distribution training platform and its control method |
| CN110829257A (en) * | 2019-08-19 | 2020-02-21 | 杭州施江银电气成套有限公司 | Switch cabinet with valve interlocking mechanism |
| CN111162464A (en) * | 2020-01-03 | 2020-05-15 | 北京中车赛德铁道电气科技有限公司 | 3kV direct-current high-voltage box of electric locomotive |
| CN114121527A (en) * | 2020-06-26 | 2022-03-01 | 西门子股份公司 | Heat dissipation arrangement for switchgear |
| CN113437658A (en) * | 2021-08-02 | 2021-09-24 | 山东泰开成套电器有限公司 | Novel 35kV pin-connected panel modularization cubical switchboard |
| CN115021117A (en) * | 2022-06-20 | 2022-09-06 | 江苏海航电气科技有限公司 | Miniaturized 10KV switch cabinet and method for quickly replacing electrified motor thereof |
| CN116316157A (en) * | 2023-03-22 | 2023-06-23 | 兴盛电器股份有限公司 | A removable high-voltage cabinet capable of automatic power transmission and power failure |
| CN116885571A (en) * | 2023-09-05 | 2023-10-13 | 山东捷远电气股份有限公司 | Mining double-circuit high-voltage switch cabinet |
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Application publication date: 20121017 |