CN202026018U - Handcart interlocking centrally-installed switch cabinet - Google Patents

Handcart interlocking centrally-installed switch cabinet Download PDF

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Publication number
CN202026018U
CN202026018U CN2011200694283U CN201120069428U CN202026018U CN 202026018 U CN202026018 U CN 202026018U CN 2011200694283 U CN2011200694283 U CN 2011200694283U CN 201120069428 U CN201120069428 U CN 201120069428U CN 202026018 U CN202026018 U CN 202026018U
Authority
CN
China
Prior art keywords
handcart
chamber
bus
cabinet
cabinet shell
Prior art date
Application number
CN2011200694283U
Other languages
Chinese (zh)
Inventor
张云龙
全华
Original Assignee
江苏鑫富达科技有限公司
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 江苏鑫富达科技有限公司 filed Critical 江苏鑫富达科技有限公司
Priority to CN2011200694283U priority Critical patent/CN202026018U/en
Application granted granted Critical
Publication of CN202026018U publication Critical patent/CN202026018U/en

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Abstract

The utility model relates to a handcart interlocking centrally-installed switch cabinet, which comprises a cabinet shell and baffles for enclosing the cabinet shell into enclosing spaces. The cabinet comprises four chambers, wherein a bus chamber is arranged at the top left of the cabinet shell, a relay instrument chamber is arranged at the top right of the cabinet shell, a plurality of control and protection devices, measuring elements, instruments, low voltage connection terminal rows, and the like are arranged in the relay instrument chamber, a handcart chamber is arranged between the bus chamber and the relay instrument chamber, a cable chamber is arranged in other space, the cabinet shell and the baffles for separating the four chambers are assembled into one body, and the baffles employ lead and zinc coated steel plates. The cabinet shell and the insulation baffles employ assembly joint instead of welding so as to avoid welding stress, the switch cabinet is provided with a safe and reliable interlocking device, a breaker is in mechanical interlock with a grounding switch, the breaker can carry out switching on/off operation only if the handcart is at experiment or working place, and bus chambers between cabinets are separated so as to prevent the enlargement of an accident. Furthermore, the cabinet is small in volume and convenient in installation and debugging.

Description

The mid-switch cubicle of handcart interlocking
Technical field
The utility model belongs to switch cubicle and makes the field, specially refers to the mid-switch cubicle of a kind of handcart interlocking.
Background technology
At present, fixed ac metal closing switch gear cabinet skeleton is welded by angle steel, divides breaker chamber, bus-bar room, cable vault, relay bungalow etc. in the cabinet, separates with steel plate between the chamber.Because this cabinet is Welding Structure, not only the production cycle is long, structural failure is big, welding stress can't be avoided, and cabinet overall dimension is big, and the switchgear house construction investment is big, and main components and parts are installed, safeguarded in the cabinet, maintenance is very inconvenient.In addition, the degree of protection of this cabinet type is low; Five-defence block poor reliability, operating difficulties; Antiseptic property is poor.
The utility model content
The purpose of this utility model is the mid-switch cubicle of handcart interlocking that a kind of volume is little, can avoid welding stress is provided, and for achieving the above object, the utility model is achieved through the following technical solutions:
The mid-switch cubicle of a kind of handcart interlocking; comprise the enclosure space that cabinet shell and dividing plate surround the cabinet shell; be divided into four chambers; wherein; the upper left side of cabinet shell is provided with bus-bar room; the upper right side of cabinet shell is provided with the relay control room; various control protective devices, measuring component, instrument and low pressure splicing ear row etc. are installed in the relay control room; be the handcart chamber between bus-bar room and the relay control room; in its complementary space the cable vault is set; cabinet shell and the dividing plate that four chambers are separated are assembled into one, and dividing plate adopts and applies plumbous zinc steel plate.
Usefulness of the present utility model is that cabinet shell and insulating barrier adopt assembling to connect but not welding, avoided welding stress, this structure can separate the bus-bar room between cabinet and the cabinet, and the accident that can prevent enlarges, in addition, volume of the present utility model is little, Installation and Debugging convenient.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model; Fig. 2 is an electrical schematic diagram of the present utility model.
Embodiment
Below, will further specify embodiment of the present utility model in conjunction with Figure of description.
According to shown in Figure 1; the mid-switch cubicle of a kind of handcart interlocking; comprise cabinet shell 50; the enclosure space that dividing plate 70 surrounds cabinet shell 50; be divided into four chambers; wherein; the upper left side of cabinet shell 50 is provided with bus-bar room 10; the upper right side of cabinet shell 50 is provided with relay control room 30; various control protective devices are installed in the relay control room 30; measuring component; instrument and low pressure splicing ear row etc. are handcart chamber 20 between bus-bar room 10 and the relay control room 30, and cable vault 40 is set in its complementary space; cabinet the shell 50 and dividing plate 70 that four chambers separate is assembled into one, dividing plate 70 adopts and applies plumbous zinc steel plate.
In conjunction with Fig. 1, be provided with three-phase main bus bar 12 in the described bus-bar room 10, three-phase main bus bar 12 is drawn three branch bars 13 and is linked to each other with upper static contact 14 respectively, upper static contact 14 is positioned at upper static contact box 15, three holes are arranged on the cabinet left side wall, be used to install isolated bus sleeve pipe 11, three-phase main bus bar 12 is erected between the bus casing 11, in the bus-bar room 10 of the present utility model the bus that is up to 4000A can be installed.
In conjunction with Fig. 1,2, be provided with handcart 23 in the described handcart chamber 20, circuit breaker 24 and other auxiliary equipment are housed on the handcart 23, in the utility model, circuit breaker 24 adopts vacuum circuit-breaker, the lower end of handcart chamber 20 is provided with guide plate 25, and the both sides of handcart chamber 20 are provided with discharge gate operating mechanism 21, and discharge gate operating mechanism 21 opens or closes with the turnover of handcart 23.What circuit breaker 24 and cabinet adopted is mid-pull-out type, is convenient to advance and retreat, transhipment, the maintenance of circuit breaker 24, and what circuit breaker 24 moved employing in cabinet is the screw mandrel propulsive mechanism, makes circuit breaker 24 very light reliable when turnover.The handcart skeleton adopts sheet metal to assemble after machine tooling, and handcart 23 and cabinet insulation coordination are equipped with safe and reliable interlock in the switch cubicle.The switch of band key is housed, to prevent that mistake from closing, mistake is divided circuit breaker 24 in 30 of the relay control rooms; Only when experiment or service position, circuit breaker 24 just can close/sub-switching operation handcart 23, and after circuit breaker 24 closed a floodgate, handcart 23 can't move, and has prevented that on-load from drawing mistake to close insulating contact by mistake; Circuit breaker 24 and earthed switch 46 mechanical interlockings, have only when handcart 23 in cabinet test position or withdraw from cabinet after, earthed switch 46 could close a floodgate, while handcart 23 can not enter cabinet (earthed switch can display unit with voltage); During the service position, earthed switch 46 can not close a floodgate handcart 23 in cabinet; Prevent that charged splice grafting ground switch 46 and earthed switch 46 from not closing circuit breaker 24 before the separating brake; Interlocking between cabinet Xiamen and handcart 23 and the earthed switch 46 has only circuit breaker 24 separating brakes and is in when testing position and earthed switch 46 combined floodgates and just can open, and this has just prevented mistakenly entering charged chamber and has realized emergency release; Handcart 23 is not in test or service position and when controlling voltage, only manual separating brake; Handcart 23 is when the service position, and secondary plug 22 can not be extracted.
In conjunction with Fig. 1,2, in the described cable vault 40 fixed contact box 41 is set down, following fixed contact 42 is positioned at fixed contact box 41 down, the branch bar 13 that following fixed contact 42 is drawn links to each other with the input of current transformer 43, the output of current transformer 43 divides three tunnel outputs, first via 43B connects power consumption equipment by cable 44, and the second road 43A is by lightning arrester 45 ground connection, and Third Road 43C is by earthed switch 46 ground connection.The top of described bus-bar room 10, handcart chamber 20 and cable vault 40 is provided with pressure relief device 60.When breaking down electric arc in handcart chamber 20, bus-bar room 10 or the cable vault 40, follow the appearance of electric arc, the switch cubicle air pressure inside rises, after reaching certain pressure, the pressure of top arrangement discharges metallic plate and will be opened automatically, release pressure and drainage gas are to guarantee the safety of operating personnel and switch cubicle.Be provided with heater 80 in described cable vault 40 and the handcart chamber 20.In order to prevent in the bigger climatic environment of high humility and variations in temperature, to produce the danger that condensation brings, in the cable vault 40 and handcart chamber 20 install heater respectively, and the employing auto-control mode, so that among above-mentioned environment, use, prevent the generation of corroding simultaneously.
The utility model according to demand, can be provided with the selectable unit that detects the primary circuit operation in switch cubicle is charged display unit 90.This device is made up of high pressure sensor 91 and 92 two unit of display.This device not only can be pointed out the high tension loop charged state, but also can cooperate with electromagnetic lock, realize mandatory latch switch handle, net door etc., reach and prevent full splice grafting ground, charged pass switch, prevent the charged interval of mistake people, thus the anti-error performance of raising complete sets of products.

Claims (8)

1. the mid-switch cubicle of handcart interlocking comprises the cabinet shell, it is characterized in that: the enclosure space connection function that dividing plate surrounds the cabinet shell is divided into bus-bar room, handcart chamber, relay control room and cable vault, and dividing plate and cabinet shell are assembled into one.
2. the mid-switch cubicle of handcart interlocking according to claim 1 is characterized in that: described dividing plate adopts and applies plumbous zinc steel plate.
3. the mid-switch cubicle of handcart interlocking according to claim 1, it is characterized in that: described bus-bar room is positioned at the upper left side of cabinet shell, the relay control room is positioned at the upper right side of cabinet shell, is the handcart chamber between bus-bar room and the relay control room, in its complementary space the cable vault is set.
4. according to claim 1 or the mid-switch cubicle of 3 described handcart interlockings, it is characterized in that: be provided with the three-phase main bus bar in the described bus-bar room, the three-phase main bus bar is erected between the bus casing, the three-phase main bus bar is drawn three branch bars and is linked to each other with upper static contact respectively, and upper static contact is positioned at the upper static contact box.
5. according to claim 1 or the mid-switch cubicle of 3 described handcart interlockings, it is characterized in that: the fixed contact box is set down in the described cable vault, following fixed contact is positioned at fixed contact box down, the branch bar that following fixed contact is drawn links to each other with the input of current transformer, the output of current transformer divides three tunnel outputs, the cable of leading up to connects power consumption equipment, leads up to arrester ground, and another road is by earthed switch ground connection.
6. according to claim 1 or the mid-switch cubicle of 3 described handcart interlockings, it is characterized in that: the indoor handcart that is provided with of described handcart, handcart is provided with circuit breaker, the lower end of handcart chamber is provided with the guide plate that is used to lead, the both sides of handcart chamber are provided with discharge gate operating mechanism, and upper and lower moving contact matches with circuit breaker.
7. the mid-switch cubicle of handcart interlocking according to claim 1 is characterized in that: the top of described bus-bar room, handcart chamber and cable vault is provided with pressure relief device.
8. the mid-switch cubicle of handcart interlocking according to claim 1 is characterized in that: be provided with heater inside the Pass described cable vault and the handcart chamber.
CN2011200694283U 2011-03-11 2011-03-11 Handcart interlocking centrally-installed switch cabinet CN202026018U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200694283U CN202026018U (en) 2011-03-11 2011-03-11 Handcart interlocking centrally-installed switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200694283U CN202026018U (en) 2011-03-11 2011-03-11 Handcart interlocking centrally-installed switch cabinet

Publications (1)

Publication Number Publication Date
CN202026018U true CN202026018U (en) 2011-11-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200694283U CN202026018U (en) 2011-03-11 2011-03-11 Handcart interlocking centrally-installed switch cabinet

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Country Link
CN (1) CN202026018U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102916350A (en) * 2012-09-29 2013-02-06 江苏中自电气技术有限公司 High-voltage cabinet
CN103500928A (en) * 2013-09-12 2014-01-08 安徽驰纬电气有限公司 High-voltage switch cabinet capable of changing position of grounding switch and position of current transformer
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
CN103730855A (en) * 2013-12-31 2014-04-16 昆山振宏电子机械有限公司 Moving type switch cabinet
CN103795000A (en) * 2014-01-13 2014-05-14 江苏现代电力科技股份有限公司 Intelligent high voltage alternating-current metal enclosed switchgear and control device
CN103840389A (en) * 2012-11-21 2014-06-04 南通星宇电气有限公司 Indoor metal armored draw out type switch device
CN104466770A (en) * 2014-12-31 2015-03-25 苏州市龙源电力科技股份有限公司 Novel metal armoring pull-out switch cabinet

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102916350A (en) * 2012-09-29 2013-02-06 江苏中自电气技术有限公司 High-voltage cabinet
CN103840389A (en) * 2012-11-21 2014-06-04 南通星宇电气有限公司 Indoor metal armored draw out type switch device
CN103500928A (en) * 2013-09-12 2014-01-08 安徽驰纬电气有限公司 High-voltage switch cabinet capable of changing position of grounding switch and position of current transformer
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
CN103730855A (en) * 2013-12-31 2014-04-16 昆山振宏电子机械有限公司 Moving type switch cabinet
CN107171186A (en) * 2013-12-31 2017-09-15 刘聪 Withdraw-type switch cabinet
CN103730855B (en) * 2013-12-31 2017-10-27 广州尔安电力科技有限公司 Withdraw-type switch cabinet
CN107171186B (en) * 2013-12-31 2019-03-29 广西一开电力科技有限公司 Withdraw-type switch cabinet
CN103795000A (en) * 2014-01-13 2014-05-14 江苏现代电力科技股份有限公司 Intelligent high voltage alternating-current metal enclosed switchgear and control device
CN104466770A (en) * 2014-12-31 2015-03-25 苏州市龙源电力科技股份有限公司 Novel metal armoring pull-out switch cabinet

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CP03 Change of name, title or address

Address after: 224400 No. 6, double Road, Funing Economic Development Zone, Jiangsu, China

Patentee after: Zhongke Tiangong Electric Technology Co., Ltd.

Address before: 224400 Small and medium-sized enterprise parks of Funing Economic Development Zone, Yancheng City, Jiangsu

Patentee before: Jiangsu Xinfuda Technology Co., Ltd.

C56 Change in the name or address of the patentee

Owner name: CSG TIANGONG ELECTRIC TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: JIANGSU XINFUDA TECHNOLOGY CO., LTD.

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

Granted publication date: 20111102

Termination date: 20140311