CN101728779B - Metal armored withdrawable high-voltage switch cabinet - Google Patents
Metal armored withdrawable high-voltage switch cabinet Download PDFInfo
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- CN101728779B CN101728779B CN2009102514460A CN200910251446A CN101728779B CN 101728779 B CN101728779 B CN 101728779B CN 2009102514460 A CN2009102514460 A CN 2009102514460A CN 200910251446 A CN200910251446 A CN 200910251446A CN 101728779 B CN101728779 B CN 101728779B
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Abstract
The invention discloses a metal armored withdrawable high-voltage switch cabinet. An upper handcart chamber (2) is arranged at the front middle part of a cabinet body, a lower handcart chamber (3) is arranged at the front lower part of the cabinet body, a circuit breaker handcart (4) is arranged in the upper handcart chamber (2), a lower PT handcart (5) is arranged in the lower handcart chamber (3), a current transformer (6) and a grounding switch (7) are arranged in the cabinet body at the back side of the switch cabinet, and an arrester (8) and a zero-sequence current transformer (9) are installed in a cable room. By adopting the technical scheme, electric components, such as the circuit breaker handcart, the lower PT handcart, the current transformer, the grounding switch, the arrester, the zero-sequence current transformer and the like, are simultaneously arranged in a same switchgear, and therefore, through elaborate arrangement, the invention has the advantages of more reasonable layout, compactor structure optimizing the design scheme, reducing the construction investment and the earth occupancy and bringing considerable economic benefit.
Description
Technical field
The invention belongs to the technical field of power equipment, relate to the structure of power switch cabinet, more particularly, the present invention relates to a kind of metal-clad moveable high-voltage switchgear.
Background technology
The development of domestic existing 24KV metal-clad moveable formula high voltage switchgear is at present reported; Its structure and configuration performance also are not quite similar, but Shang Weijian has same switchgear can dispose the bibliographical information of the 24KV metal-clad moveable formula high voltage switchgear of electric elements such as circuit breaker cart, following PT handcart, current transformer, earthed switch, lightning arrester, zero sequence current mutual inductor simultaneously.
Summary of the invention
Problem to be solved by this invention provides a kind of metal-clad moveable high-voltage switchgear, its objective is the combination property that improves the switch cubicle configuration.
To achieve these goals, the technical scheme taked of the present invention is:
Metal-clad moveable high-voltage switchgear provided by the present invention; Comprise the control room of cabinet front upper part, the cable vault at switch cabinet body rear portion, the cabinet front middle part is established the handcart chamber, and the handcart chamber is set in the preceding bottom of cabinet; The described indoor circuit breaker cart that is provided with of handcart of going up; The indoor PT handcart that is provided with down of following handcart is established current transformer and earthed switch in the cabinet inside of switch cubicle rear side, installs in the described cable vault and is provided with lightning arrester and zero sequence current mutual inductor.
On the inner column of the cabinet of described switch cubicle rear side, crosspiece is installed, described current transformer and earthed switch are through being bolted on the crossbeam.
In the cable vault at described switch cabinet body rear portion mounting bracket is installed, described lightning arrester and zero sequence current mutual inductor are through being bolted on the mounting bracket.
Bottom, described cable vault is provided with cable aperture, and power cable is linked in the switch cubicle through described cable aperture.
Described circuit breaker cart and described high-tension switch cabinet earthing device adopt the syndeton of slippage clamping type.
Described PT handcart and described high-tension switch cabinet earthing device adopt the syndeton of slippage clamping type.
Be provided for the guide rail of handcart operation on the cabinet of described high-tension switch cabinet; Establish guide rail ground connection copper bar on the described guide rail; Described guide rail ground connection copper bar is parallel with described guide rail, establishes the duck-beak type grounding contact on described circuit breaker cart or the PT handcart, establishes the elastic clip locking structure on the described duck-beak type grounding contact; Through described elastic clip locking structure, described duck-beak type grounding contact is clipped on the described guide rail ground connection copper bar.
The front end of described handcart is established the moving plug of ground connection, and elasticity duck-beak type contact is set on the cabinet of described high-tension switch cabinet, runs at handcart under the state of service position, and described elasticity duck-beak type contact is clamped the moving plug of ground connection under the effect of elastic force.
The cabinet handcart chamber of described high-tension switch cabinet is equipped with the middle level dividing plate; On the dividing plate of described middle level, establish dividing plate ground connection row; Described dividing plate ground connection row's direction is consistent with the traffic direction of handcart; Establish ground connection elastic pressure contact on the described handcart, described ground connection elastic pressure contact is clipped in described dividing plate ground connection row.
On the cabinet of described handcart chassis bottom friction-type ground connection copper bar is installed; The direction of described friction-type ground connection copper bar is consistent with the traffic direction of handcart; On described handcart, establish the friction grounding contact, described friction grounding contact closely contacts with described friction-type ground connection copper bar under pressure.
The present invention adopts technique scheme; In same switchgear, dispose electric elements such as circuit breaker cart, following PT handcart, current transformer, earthed switch, lightning arrester, zero sequence current mutual inductor simultaneously,, make that layout is reasonable more, more compact structure through meticulous arrangement; Optimized design; Reduce construction investment, reduced the land seizure amount, brought considerable economic.Being used in combination of multiple ground connection connected mode makes the ground connection performance of metal-clad moveable formula high voltage switchgear more superior, greatly reduces contact resistance, fully ensures operating personnel's safety, satisfies the electrical grounding safety requirements of switch cubicle fully.
Description of drawings
The mark of facing down among expressed content of each width of cloth accompanying drawing of this specification and the figure is made brief description:
Fig. 1 is a Facad structure sketch map of the present invention;
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is Main Wire Connection Scheme figure of the present invention.
Be labeled as among the figure:
1, control room, 2, go up the handcart chamber, 3, handcart chamber down, 4, circuit breaker cart, 5, PT handcart down, 6, current transformer, 7, earthed switch, 8, lightning arrester, 9, zero sequence current mutual inductor, 10, power cable.
Embodiment
Contrast accompanying drawing below; Through description to embodiment; Effect and operation principle, the manufacturing process of mutual alignment between the shape of specific embodiments of the invention such as related each member, structure, the each several part and annexation, each several part and manipulate method etc.; Do further detailed explanation, inventive concept of the present invention, technical scheme are had more complete, accurate and deep understanding to help those skilled in the art.
The of the present invention structure expressed like Fig. 1, Fig. 2 and Fig. 3, the present invention comprises the control room 1 of cabinet front upper part, the cable vault at switch cabinet body rear portion for kind of a metal-clad moveable high-voltage switchgear.
Technical scheme of the present invention is:
Metal-clad moveable high-voltage switchgear provided by the present invention; The cabinet front middle part is established handcart chamber 2; Handcart chamber 3 is set in the preceding bottom of cabinet, and described going up in the handcart chamber 2 is provided with circuit breaker cart 4, is provided with down PT handcart 5 in the following handcart chamber 3; Establish current transformer 6 and earthed switch 7 in the cabinet inside of switch cubicle rear side, install in the described cable vault and be provided with lightning arrester 8 and zero sequence current mutual inductor 9.
The PT handcart is used for detecting busbar voltage one time.
Adopt technique scheme; In same switchgear, dispose electric elements such as circuit breaker cart, following PT handcart, current transformer, earthed switch, lightning arrester, zero sequence current mutual inductor simultaneously,, make that layout is reasonable more, more compact structure through meticulous arrangement; Optimized design; Reduce construction investment, reduced last ground occupancy, brought considerable economic.
Be below in high-tension switch cabinet, the set-up mode of electric elements such as circuit breaker cart, following PT handcart, current transformer, earthed switch, lightning arrester, zero sequence current mutual inductor:
On the inner column of the cabinet of described switch cubicle rear side, crosspiece is installed, described current transformer 6 and earthed switch 7 are through being bolted on the crossbeam.
In the cable vault at described switch cabinet body rear portion mounting bracket is installed, described lightning arrester 8 and zero sequence current mutual inductor 9 are through being bolted on the mounting bracket.
Bottom, described cable vault is provided with cable aperture, and power cable 10 is linked in the switch cubicle through described cable aperture.
Be the exemplifying embodiment of ground structure among the present invention below:
1, described circuit breaker cart 4 and described high-tension switch cabinet earthing device adopt the syndeton of slippage clamping type.
2, described PT handcart 5 and described high-tension switch cabinet earthing device adopt the syndeton of slippage clamping type.
Earthing device adopts the syndeton of slippage clamping type can guarantee that good conductor connects, and reduces to connect resistance, improves the ground connection effect, guarantees safety.Particularly in slipping, remain the excellent contact state, prevent the inefficacy of ground connection.
Further:
Be provided for the guide rail of handcart operation on the cabinet of scheme one, high-tension switch cabinet of the present invention; Establish guide rail ground connection copper bar on the described guide rail; Described guide rail ground connection copper bar is parallel with described guide rail, establishes the duck-beak type grounding contact on described circuit breaker cart 4 or the PT handcart 5, establishes the elastic clip locking structure on the described duck-beak type grounding contact; Through described elastic clip locking structure, described duck-beak type grounding contact is clipped on the described guide rail ground connection copper bar.
The duck-beak type grounding contact is the pincerlike structure that has the elastic clip locking structure, on the jaw folder guide rail ground connection copper bar 4.It is following to have formed a perfect ground path:
Duck-beak type grounding contact---the main ground connection row of guide rail ground connection copper bar---earthing conductor---.
The both sides duck-beak type earthing mode of handcart is cooperated by duck-beak type grounding contact and guide rail ground connection copper bar to be accomplished; Handcart by test position in the sliding process of service position and when arriving the service position; Duck-beak type grounding contact 2 closely is interlocked with guide rail ground connection copper bar, has guaranteed the good earth of switchgear.
Scheme two, the present invention adopt preceding duck-beak type earthing mode:
The front end of handcart of the present invention is established the moving plug of ground connection, and elasticity duck-beak type contact is set on the cabinet of described high-tension switch cabinet, runs at handcart under the state of service position, and described elasticity duck-beak type contact is clamped the moving plug of ground connection under the effect of elastic force.
Its preceding duck-beak type earthing mode is cooperated by elasticity duck-beak type contact and the moving plug of ground connection to be accomplished, and the moving plug of elasticity duck-beak type contact and ground connection adopts two pairs.Handcart is when arriving the service position, and the moving plug of elasticity duck-beak type contact and ground connection closely is interlocked, and has guaranteed the good earth of switchgear.
Scheme three, the present invention adopt spring static pressure type earthing mode:
The cabinet handcart chamber that is high-tension switch cabinet of the present invention is equipped with the middle level dividing plate; On the dividing plate of described middle level, establish dividing plate ground connection row; Described dividing plate ground connection row's direction is consistent with the traffic direction of handcart; Establish ground connection elastic pressure contact on the described handcart, described ground connection elastic pressure contact is clipped in described dividing plate ground connection row.
Its spring static pressure type earthing mode closes completion by ground connection elastic pressure contact and the deploying of dividing plate ground connection, adopts two dividing plate ground connection rows and two ground connection elastic pressure contacts to constitute two pairs.Handcart by test position in the sliding process of service position and when arriving the service position, ground connection elastic pressure contact closely overlays with dividing plate ground connection row is in the same place, and has guaranteed the good earth of switchgear.
Scheme four, the present invention adopt copper bar friction grounding mode:
Be on the cabinet of handcart chassis of the present invention bottom friction-type ground connection copper bar to be installed; The direction of described friction-type ground connection copper bar is consistent with the traffic direction of handcart; On described handcart, establish the friction grounding contact, described friction grounding contact closely contacts with described friction-type ground connection copper bar under pressure.
Its copper bar friction grounding mode is accomplished by friction-type ground connection copper bar and friction grounding contacts mates, and friction-type ground connection copper bar and friction grounding contact respectively are two, constitute two pairs.Handcart by test position in the sliding process of service position and when arriving the service position, friction-type ground connection copper bar closely overlays with the friction grounding contact is in the same place, and has guaranteed the good earth of switchgear.
Above-mentioned grounding scheme one can be selected one of which and use to scheme four, also can adopt the different combinations mode to select multiple application simultaneously, improves the ground connection effect.
Being used in combination of multiple ground connection connected mode makes the ground connection performance of metal-clad moveable formula high voltage switchgear more superior, greatly reduces contact resistance, fully ensures operating personnel's safety, satisfies the electrical grounding safety requirements of switch cubicle fully.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (1)
1. a metal-clad moveable high-voltage switchgear comprises the control room (1) of cabinet front upper part, the cable vault at switch cabinet body rear portion, it is characterized in that:
The cabinet front middle part is established handcart chamber (2); Handcart chamber (3) is set in the preceding bottom of cabinet; Described going up in the handcart chamber (2) is provided with circuit breaker cart (4); Be provided with down PT handcart (5) in the following handcart chamber (3), establish current transformer (6) and earthed switch (7) in the cabinet inside of switch cubicle rear side, install in the described cable vault and be provided with lightning arrester (8) and zero sequence current mutual inductor (9);
On the inner column of the cabinet of described switch cubicle rear side, crosspiece is installed, described current transformer (6) and earthed switch (7) are through being bolted on the crossbeam;
In the cable vault at described switch cabinet body rear portion mounting bracket is installed, described lightning arrester (8) and zero sequence current mutual inductor (9) are through being bolted on the mounting bracket;
Bottom, described cable vault is provided with cable aperture, and power cable (10) is linked in the switch cubicle through described cable aperture;
Described circuit breaker cart (4) and described high-tension switch cabinet earthing device adopt the syndeton of slippage clamping type;
Described PT handcart (5) and described high-tension switch cabinet earthing device adopt the syndeton of slippage clamping type;
Be provided for the guide rail of handcart operation on the cabinet of described high-tension switch cabinet; Establish guide rail ground connection copper bar on the described guide rail; Described guide rail ground connection copper bar is parallel with described guide rail, and described circuit breaker cart is established the duck-beak type grounding contact on (4), establishes the elastic clip locking structure on the described duck-beak type grounding contact; Through described elastic clip locking structure, described duck-beak type grounding contact is clipped on the described guide rail ground connection copper bar;
Be provided for the guide rail of handcart operation on the cabinet of described high-tension switch cabinet; Establish guide rail ground connection copper bar on the described guide rail; Described guide rail ground connection copper bar is parallel with described guide rail, establishes the duck-beak type grounding contact on the described PT handcart (5), establishes the elastic clip locking structure on the described duck-beak type grounding contact; Through described elastic clip locking structure, described duck-beak type grounding contact is clipped on the described guide rail ground connection copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102514460A CN101728779B (en) | 2009-12-21 | 2009-12-21 | Metal armored withdrawable high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102514460A CN101728779B (en) | 2009-12-21 | 2009-12-21 | Metal armored withdrawable high-voltage switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101728779A CN101728779A (en) | 2010-06-09 |
| CN101728779B true CN101728779B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102514460A Expired - Fee Related CN101728779B (en) | 2009-12-21 | 2009-12-21 | Metal armored withdrawable high-voltage switch cabinet |
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| Country | Link |
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| CN (1) | CN101728779B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014172886A1 (en) | 2013-04-26 | 2014-10-30 | General Electric Company | Switchgear housing including pressure relief member |
| CN105305236A (en) * | 2015-10-09 | 2016-02-03 | 安庆师范学院 | High-voltage switchgear |
| CN106549309A (en) * | 2016-11-03 | 2017-03-29 | 合肥华义电气科技有限公司 | A kind of high-tension switch cabinet |
| CN106451435A (en) * | 2016-11-03 | 2017-02-22 | 合肥华义电气科技有限公司 | Distribution control system |
| CN106654963A (en) * | 2016-11-03 | 2017-05-10 | 合肥华义电气科技有限公司 | High-voltage cable power distribution control system |
| CN111313304A (en) * | 2018-12-11 | 2020-06-19 | 吴长兰 | Power switch cabinet |
| CN109599780B (en) * | 2018-12-11 | 2020-12-22 | 江苏沙洲电气有限公司 | Middle-high voltage switch cabinet |
| CN111416288A (en) * | 2019-01-05 | 2020-07-14 | 吴长兰 | Be suitable for explosion-proof cubical switchboard |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2813837A1 (en) * | 1978-03-31 | 1979-10-04 | Licentia Gmbh | Earthing arrangement for withdrawable switchgear - comprises fixed blade in housing and jaw contacts on switch trolley |
| CN2854877Y (en) * | 2005-12-22 | 2007-01-03 | 江苏光大电控设备有限公司 | Movable grounding device |
| CN2884624Y (en) * | 2006-03-14 | 2007-03-28 | 沈祥裕 | 10-kilovoltage line smart switching cabinet |
| CN2930032Y (en) * | 2006-04-04 | 2007-08-01 | 遵义长征电器开关设备有限责任公司 | Novel high voltage switch cabinet |
| CN201174528Y (en) * | 2007-04-23 | 2008-12-31 | 上海华声电气研究所 | 3 interlayer combined high-voltage drawable switch cabinet |
| CN201323404Y (en) * | 2008-12-15 | 2009-10-07 | 安徽鑫龙电器股份有限公司 | Metal sheathed withdrawable high-pressure switch apparatus |
-
2009
- 2009-12-21 CN CN2009102514460A patent/CN101728779B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2813837A1 (en) * | 1978-03-31 | 1979-10-04 | Licentia Gmbh | Earthing arrangement for withdrawable switchgear - comprises fixed blade in housing and jaw contacts on switch trolley |
| CN2854877Y (en) * | 2005-12-22 | 2007-01-03 | 江苏光大电控设备有限公司 | Movable grounding device |
| CN2884624Y (en) * | 2006-03-14 | 2007-03-28 | 沈祥裕 | 10-kilovoltage line smart switching cabinet |
| CN2930032Y (en) * | 2006-04-04 | 2007-08-01 | 遵义长征电器开关设备有限责任公司 | Novel high voltage switch cabinet |
| CN201174528Y (en) * | 2007-04-23 | 2008-12-31 | 上海华声电气研究所 | 3 interlayer combined high-voltage drawable switch cabinet |
| CN201323404Y (en) * | 2008-12-15 | 2009-10-07 | 安徽鑫龙电器股份有限公司 | Metal sheathed withdrawable high-pressure switch apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101728779A (en) | 2010-06-09 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Address after: 241008 Anhui Province, Wuhu City Jiuhua Jiujiang District Road No. 118 Patentee after: ANHUI ZHONGDIAN XINGFA AND XINLONG TECHNOLOGY CO., LTD. Address before: 241008 Anhui Province, Wuhu City Jiuhua Jiujiang District Road No. 118 Patentee before: Xinlong Electric-Appliance Co., Ltd., Anhui |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20171221 |