CN203951080U - Miniaturization withdraw-type AC metal closed switch cabinet - Google Patents

Miniaturization withdraw-type AC metal closed switch cabinet Download PDF

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Publication number
CN203951080U
CN203951080U CN201420397537.1U CN201420397537U CN203951080U CN 203951080 U CN203951080 U CN 203951080U CN 201420397537 U CN201420397537 U CN 201420397537U CN 203951080 U CN203951080 U CN 203951080U
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CN
China
Prior art keywords
bus
circuit breaker
bar
static contact
breaker cart
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420397537.1U
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Chinese (zh)
Inventor
安建钘
陈彪
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ZUNYI CHANGZHENG ELECTRICAL APPLIANCE MANUFACTURING Co Ltd
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ZUNYI CHANGZHENG ELECTRICAL APPLIANCE MANUFACTURING Co Ltd
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Priority to CN201420397537.1U priority Critical patent/CN203951080U/en
Application granted granted Critical
Publication of CN203951080U publication Critical patent/CN203951080U/en
Expired - Fee Related legal-status Critical Current
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  • Gas-Insulated Switchgears (AREA)

Abstract

The utility model relates to a kind of miniaturization withdraw-type AC metal closed switch cabinet, and this switch cubicle mainly comprises: housing, earth bus, cable vault, earthed switch, hoisting mechanism, current transformer, circuit breaker cart chamber, circuit breaker cart, lower valve, upper valve, bus-bar room, pressure relief channels, upper static contact case assembly, sleeve pipe, control room, main bus bar; The housing of whole switch cubicle is rectangle stereochemical structure, by metal partion (metp) and lower valve, upper valve, cabinet is divided into cable vault, circuit breaker cart chamber, bus-bar room, control room; The utility model has used transparent contact box innovatively, can monitor once inserting state and the grafting process of leading plug by observation window at the scene, utilize video tranmission techniques also can be transferred to Central Load Dispatching Office, the structure of three-phase major loop is optimized simultaneously, realized switch cubicle and circuit breaker and be set up at space cloth the unification that phase sequence is arranged, the performance of switch cubicle is greatly improved.

Description

Miniaturization withdraw-type AC metal closed switch cabinet
Technical field
The utility model belongs to dynamo-electric manufacture field, particularly a kind of miniaturization withdraw-type AC metal closed switch cabinet.
Background technology
the conversion of conventional hand trucks formula switch cubicle extensible component test position and service position both at home and abroad mostly adopts the mode of moving forward and backward, and KYN28 is this typical structure moving forward and backward.Such move mode makes disposable separating plug be blocked by circuit breaker operation mechanism and cannot observe the state of whole grafting process in " blindmate ".
National standard requires high-voltage switch electric appliance should have obvious visible air insulated fracture always simultaneously, in traditional switch cubicle, only have fixed switching cabinet isolating switch to realize obvious air insulated fracture, and the domestic and international manufacturer of restriction due to handcart structure and move mode fail to realize the visible function of isolation fracture always in handcart type high voltage switch cabinet.
The main bus bar of traditional switch cabinet is generally arranged in the rear portion of cabinet, and its phase sequence is that A, B, C three-phase are arranged by upper, middle and lower; And circuit breaker polar A, B, C three-phase are arranged by left, center, right.This structure must be used branch bar transition and insulating supporting could realize main bus bar to connect with the electric of circuit breaker cart socket.
The shortcoming that above-mentioned existing metal closed switch cabinet exists, has brought great potential safety hazard to supply network, simultaneously because the reason of volume is also unfavorable for marketing.
Utility model content
For overcoming above-mentioned defect, the technical problems to be solved in the utility model is to provide a kind of novel withdraw-type AC metal closed switch cabinet rational in infrastructure, stable and reliable for performance.
A kind of miniaturization withdraw-type AC metal closed switch cabinet, this switch cubicle mainly comprises: housing, earth bus, cable vault, earthed switch, hoisting mechanism, current transformer, circuit breaker cart chamber, circuit breaker cart, lower valve, upper valve, bus-bar room, pressure relief channels, upper static contact case assembly, sleeve pipe, control room, main bus bar; The housing of whole switch cubicle is rectangle stereochemical structure, by metal partion (metp) and lower valve, upper valve, cabinet is divided into cable vault, circuit breaker cart chamber, bus-bar room, control room; Rear portion at whole switch cubicle is provided with pressure relief channels.
---in described cable vault, be provided with earth bus and earthed switch; Earth bus is positioned at the rear portion of cable vault; The middle part of earthed switch attached cable chamber;
---indoor hoisting mechanism, current transformer, circuit breaker cart, the lower valve of being provided with of described circuit breaker cart; Current transformer is parallel with circuit breaker cart to be fixed on hoisting mechanism, and lower valve is positioned at the top of circuit breaker cart chamber;
---in described bus-bar room, be provided with valve, upper static contact case assembly, sleeve pipe, main bus bar; Upper valve is positioned at the top of bus-bar room, contacts with upper static contact case assembly; Upper static contact case assembly is made up of 3 upper static contact boxes, parallel being fixed in bus-bar room; Main bus bar runs through whole bus-bar room and is fastenedly connected with 3 upper static contact boxes respectively; Casing pipe sleeve is contained in the respective ends of main bus bar;
---described control room is positioned at the top of switch cubicle, adjacent with bus-bar room.
Described upper static contact box is columnar structured.
Described upper static contact box material can be selected polymethyl methacrylate, fiberglass or tempered glass.
The utility model has used transparent contact box innovatively, can monitor once inserting state and the grafting process of leading plug by observation window at the scene, utilize video tranmission techniques also can be transferred to Central Load Dispatching Office, for scene is patrolled and examined, periodic maintenance, safe operation, detection monitoring provide visual facility simultaneously.
The structure of three-phase major loop is optimized simultaneously, main bus bar is moved to cabinet top, A, B, C three-phase by rear, in, front layout; Circuit breaker polar is changed traditional left, center, right arrangement, make its three-phase pole A, B, C consistent with main bus bar by rear, in, front layout, realized switch cubicle and circuit breaker and be set up at space cloth the unification that phase sequence is arranged; Branch bar transition and insulating supporting thereof are saved, main bus bar directly and upper contact head box overlap joint is realized and the electric connection of circuit breaker cart socket, major loop structure is simple, compact, current loop is short, heat generating spot is few, be conducive to ventilation and heat, save electric conducting material, reduced cost, the performance of switch cubicle is greatly improved.
Brief description of the drawings
Fig. 1 is the front view of the utility model switch cubicle;
Fig. 2 is the vertical view of the utility model switch cubicle.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
Switch cubicle both reliable wall is installed, and can two-sidedly safeguard again, and it is very convenient that installation and operation is safeguarded.Traditional handcart type high voltage switch cabinet is determined by its structure, its cable end and current transformer operated by rotary motion are at cabinet rear lower, if installed by wall, the rear lower that install, attendant must climb to from the cable vault of switch cubicle switch cubicle can touch cable end and current transformer position, give and install, safeguard and bring very big inconvenience, be not suitable for installing by wall.
As shown in Figure 1 and Figure 2, a kind of miniaturization withdraw-type AC metal closed switch cabinet, this switch cubicle mainly comprises: housing 1, earth bus 2, cable vault 3, earthed switch 4, hoisting mechanism 5, current transformer 6, circuit breaker cart chamber 7, circuit breaker cart 8, lower valve 9, upper valve 10, bus-bar room 11, pressure relief channels 12, upper static contact case assembly 13, sleeve pipe 14, control room 15, main bus bar 16.The housing 1 of whole switch cubicle is rectangular configuration, by metal partion (metp) and lower valve 9, upper valve 10, cabinet is divided into cable vault 3, circuit breaker cart chamber 7, bus-bar room 11, control room 15.In cable vault 3, be provided with earth bus 2 and earthed switch 4; Earth bus 2 is positioned at the rear portion of cable vault 3; The middle part of earthed switch 4 attached cable chambers.In circuit breaker cart chamber 7, be provided with hoisting mechanism 5, current transformer 6, circuit breaker cart 8, lower valve 9; Current transformer 6 is parallel with circuit breaker cart 8 to be fixed on hoisting mechanism 5, and lower valve 9 is positioned at the top of circuit breaker cart chamber 7.In bus-bar room 11, be provided with valve 10, upper static contact case assembly 13, sleeve pipe 14, main bus bar 16; Upper valve 10 is positioned at the top of bus-bar room 11, contacts with upper static contact case assembly 13.Upper static contact case assembly 13 is made up of 3 upper static contact boxes, parallel being fixed in bus-bar room 11; Main bus bar 16 runs through whole bus-bar room 11 and is fastenedly connected with 3 upper static contact boxes respectively; Sleeve pipe 14 is sleeved on the respective ends of main bus bar 16.Control room 15 is positioned at the top of switch cubicle, adjacent with bus-bar room 11.Be provided with pressure relief channels 12 at the rear portion of whole switch cubicle.Upper static contact box is columnar structured, and its material can be selected polymethyl methacrylate, fiberglass, tempered glass.
The utility model has the following advantages by structure optimization:
(1) the utility model switch cubicle is mounted on cable end in the centre position of switch cubicle bottom, open Qianmen, cable vault and can realize the I&M to cable end, the maintenance of current transformer or replacing also only need to open Qianmen, really having realized reliable wall installs, the span of electric substation is greatly reduced, be particularly suitable for the double layout in opposite and the transformation of old electric substation.
(2) conversion of the utility model circuit breaker cart test position and service position has adopted the structure moving up and down, breaker operation mechanism is pressed close to front panel in the time of service position, be convenient to install emergency machine opening button, for the emergency treatment of field accident provides settling mode efficiently, the safety that has ensured power consumption equipment, has improved reliability of operation.
(3) the utility model switch cubicle is all-metal enclosed construction, circuit breaker three-phase pole be placed in cabinet middle part by rear,, front longitudinal layout, switch cubicle is divided into cabinet several functional units from top to bottom with metal partion (metp) and valve: control room, main bus bar chamber, breaker chamber, cable vault, and after cabinet, be provided with independently pressure relief channels.Metal armouring compartment, by the successional highest ranking LSC2B design of operation, in conventional maintenance situation, is opened arbitrary compartment that touches, still continuously-running of other compartment.Cabinet has the ability of bearing internal arc fault, and the security protection of highest ranking can be provided operating personnel.Cabinet degree of protection can reach IP54, and the degree of protection between each compartment can reach IP3X.
(4) the utility model switch cubicle adopts solid sealing type vacuum circuit breaker, is suitable for humidity, the use of slight filthy environment place, has improved the reliability of power supply.Spring energy agency vacuum circuit-breaker can be adopted, permanent magnetic actuator vacuum circuit breaker can be adopted again.Cabinet Bian is with covering aluminium zine plate, and stainless property is good, good looking appearance, and the high whole cabinet of product specification adopts and covers aluminium zine plate and process through numerical control device, staking assembled formation, cabinet machining accuracy is high, and handcart interchangeability is strong, stainless property is good, good looking appearance, and product specification is high.
(5) the utility model switch cubicle machinery and electrical interlock are perfect, simple, reliable, meet " five is anti-" requirement.
(6) intelligent Microcomputer Protection, the utility model switch cubicle can adopt there is remote control, the microcomputer protecting device of remote measurement, distant news and remote regulating function, realize Unmanned Transformer Place.
(7) the utility model is widely used in the universal switch equipment as distribution and control at electric power, industrial and mineral place ground transformer substation, is specially adapted to replace a large amount of KYN28 mid-handcart switch cabinets of series that use and XGN series fixed switching cabinet at present.

Claims (3)

1. a miniaturization withdraw-type AC metal closed switch cabinet, this switch cubicle mainly comprises: housing (1), earth bus (2), cable vault (3), earthed switch (4), hoisting mechanism (5), current transformer (6), circuit breaker cart chamber (7), circuit breaker cart (8), lower valve (9), upper valve (10), bus-bar room (11), pressure relief channels (12), upper static contact case assembly (13), sleeve pipe (14), control room (15), main bus bar (16); The housing (1) of whole switch cubicle is rectangle stereochemical structure, by metal partion (metp) and lower valve (9), upper valve (10), cabinet is divided into cable vault (3), circuit breaker cart chamber (7), bus-bar room (11), control room (15); Be provided with pressure relief channels (12) at the rear portion of whole switch cubicle; It is characterized in that:
---in described cable vault (3), be provided with earth bus (2) and earthed switch (4); Earth bus (2) is positioned at the rear portion of cable vault (3); The middle part of earthed switch (4) attached cable chamber;
---in described circuit breaker cart chamber (7), be provided with hoisting mechanism (5), current transformer (6), circuit breaker cart (8), lower valve (9); Current transformer (6) is parallel with circuit breaker cart (8) is fixed on hoisting mechanism (5) above, and lower valve (9) is positioned at the top of circuit breaker cart chamber (7);
---in described bus-bar room (11), be provided with valve (10), upper static contact case assembly (13), sleeve pipe (14), main bus bar (16); Upper valve (10) is positioned at the top of bus-bar room (11), contacts with upper static contact case assembly (13); Upper static contact case assembly (13) is made up of 3 upper static contact boxes, parallel being fixed in bus-bar room (11); Main bus bar (16) runs through whole bus-bar room (11) and is fastenedly connected with 3 upper static contact boxes respectively; Sleeve pipe (14) is sleeved on the respective ends of main bus bar (16);
---described control room (15) are positioned at the top of switch cubicle, adjacent with bus-bar room (11).
2. metal closed switch cabinet according to claim 1, is characterized in that: described upper static contact box is columnar structured.
3. metal closed switch cabinet according to claim 2, is characterized in that: described upper static contact box material can be selected polymethyl methacrylate, fiberglass or tempered glass.
CN201420397537.1U 2014-07-18 2014-07-18 Miniaturization withdraw-type AC metal closed switch cabinet Expired - Fee Related CN203951080U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420397537.1U CN203951080U (en) 2014-07-18 2014-07-18 Miniaturization withdraw-type AC metal closed switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420397537.1U CN203951080U (en) 2014-07-18 2014-07-18 Miniaturization withdraw-type AC metal closed switch cabinet

Publications (1)

Publication Number Publication Date
CN203951080U true CN203951080U (en) 2014-11-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106329377A (en) * 2016-10-31 2017-01-11 江苏天港箱柜有限公司 Compact switch cabinet
CN106898958A (en) * 2017-03-24 2017-06-27 中山市明阳电器有限公司 A kind of novel miniaturization switch cubicle
CN107947002A (en) * 2017-11-13 2018-04-20 上海基胜能源股份有限公司 A kind of Novel switch cabinet

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106329377A (en) * 2016-10-31 2017-01-11 江苏天港箱柜有限公司 Compact switch cabinet
CN106898958A (en) * 2017-03-24 2017-06-27 中山市明阳电器有限公司 A kind of novel miniaturization switch cubicle
CN107947002A (en) * 2017-11-13 2018-04-20 上海基胜能源股份有限公司 A kind of Novel switch cabinet
CN107947002B (en) * 2017-11-13 2023-12-22 上海基胜能源股份有限公司 Switch cabinet

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141119

Termination date: 20170718

CF01 Termination of patent right due to non-payment of annual fee