CN202917370U - Three-position isolation and earthing switch of gas insulated metal-enclosed switchgear - Google Patents

Three-position isolation and earthing switch of gas insulated metal-enclosed switchgear Download PDF

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Publication number
CN202917370U
CN202917370U CN 201220562331 CN201220562331U CN202917370U CN 202917370 U CN202917370 U CN 202917370U CN 201220562331 CN201220562331 CN 201220562331 CN 201220562331 U CN201220562331 U CN 201220562331U CN 202917370 U CN202917370 U CN 202917370U
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CN
China
Prior art keywords
isolation
contact
side contact
moving side
stations
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.)
Expired - Lifetime
Application number
CN 201220562331
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Chinese (zh)
Inventor
李朋
王金良
许传学
李莎
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.)
JIANGSU JINGKE SMART ELECTRIC CO Ltd
Original Assignee
JIANGSU JINGKE SMART ELECTRIC 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
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Priority to CN 201220562331 priority Critical patent/CN202917370U/en
Application granted granted Critical
Publication of CN202917370U publication Critical patent/CN202917370U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

Disclosed in the utility model is a three-position isolation and earthing switch of a gas insulated metal-enclosed switchgear. The switch comprises a housing, an isolation static side contact, an isolation moving side contact, an earthing moving side contact, an earthing static side contact, a moving side conductor, and a contact seat. The earthing static side contact is contact with the housing; and the isolation static side contact is connected with the contact seat on the housing. The moving side conductor that is arranged inside the housing is connected with the contact seat by a meter strip contact finger and is driven by a driving mechanism; and guiding elements are installed below the moving side conductor. And the driving mechanism includes a hexagonal shaft, a gear wheel and a tooth bar; the hexagonal shaft is arranged on the housing and is connected with the gear wheel; and the gear wheel is arranged on the tooth bar and is connected with the tooth bar in a cooperation mode. Besides, the isolation moving side contact and the earthing moving side contact are connected to two ends of the moving side conductor. According to the utility model, the switch has a simple and reliable structure. The mechanical interlocking of the isolation and earthing can be realized in the work state, so that the application of the switch is safe.

Description

The three stations isolation of Cubicle Gas-Insulated Switchgear, earthed switch
Technical field
The utility model relates to a kind of three stations isolation, earthed switch of Cubicle Gas-Insulated Switchgear, is specifically related to a kind of isolation of three stations, earthed switch of the Cubicle Gas-Insulated Switchgear for the 252kV grade.
Background technology
The gas insulating enclosed switch equipment main composition is divided into Static Contact and sliding contact two large divisions, and Static Contact partly comprises the Primary Conductor part of the elements such as main bus bar, branch bar, inlet-outlet sleeve, current transformer, voltage transformer and lightning arrester; Dynamic Contact partly comprises circuit breaker, isolating switch and earthed switch three large elements.
At present, the isolating switch and the earthed switch that are used for the Cubicle Gas-Insulated Switchgear of 252KV grade mostly are independently functional unit, and it is large to take up room, and amount of parts is many, has also increased product cost simultaneously.
The utility model content
The utility model is for above defective, a kind of isolation of three stations, earthed switch of the Cubicle Gas-Insulated Switchgear for the 252kV grade have been proposed, purpose is: independently Disconnecting switch unit and earthed switch unit are concentrated, be integrated into the isolation of three stations, earthed switch, form a unit, reduce volume, reduce cost.
The technical solution of the utility model:
The three stations isolation of Cubicle Gas-Insulated Switchgear, earthed switch is characterized in that: described switch comprises housing, the quiet side contact of isolation, the moving side contact of isolation, the moving side contact of ground connection, the quiet side contact of ground connection, moving side conductor and contact base; The quiet side contact of described ground connection is connected with housing, isolates quiet side contact and is connected with housing upper contact head seat; Described moving side conductor places enclosure interior, is connected with contact base by watchband-shaped contactor, and moving side conductor is driven by driving mechanism, and moving side conductor below is equipped with guide; Described driving mechanism comprises six square shafts, gear and tooth bar, and wherein six square shafts place on the housing, is connected with gear, and gear places on the tooth bar, is connected with tooth bar; The side contact is moved in described isolation, the moving side contact of ground connection is connected to moving side conductor two ends.
Described housing is spherical cast aluminum casings.
The quiet side contact of described isolation comprises the quiet side arc fingertip of isolation and the quiet side contact of isolation, both be assemblied in contact base that disc insulator is connected on.
The quiet side contact of described isolation adopts the plum blossom contact finger structure, and contact is fixed with support, the outside spring compression.
The quiet side contact of described ground connection is the quiet side fingertip of ground connection.
Radome is equipped with in the quiet side fingertip of the quiet side contact of described isolation and the ground connection outside.
The quiet side fingertip of described ground connection is self-support type contact finger structure.
Described six square shafts are equipped with shaft insulation outward.
The beneficial effect of utility model:
The isolation of the utility model three stations, earthed switch, simple and reliable for structure, the mechanical chain that operating state realizes isolation and ground connection uses safer.Also reduce simultaneously spatial volume, reduced product cost.The utility model adopts spherical shell, and conductor is optimized in more effective expanding internal space, makes internal electric field more even.
Description of drawings
Fig. 1 is the first station cutaway view that isolating switch disconnects, earthed switch disconnects.
Fig. 2 is the second station cutaway view that isolating switch is connected, earthed switch disconnects.
Fig. 3 is the 3rd station cutaway view that isolating switch disconnects, earthed switch is connected.
Among the figure: 1-spherical shell 2-isolates quiet side arc fingertip 3-and isolates quiet side contact
The moving side contact 5-gear 6-shaft insulation 7-six square shaft 8-watchband-shaped contactors of 4-isolation
The moving side conductor of the moving quiet side fingertip of the side contact 11-ground connection 12-of 9-tooth bar 10-ground connection
13-contact base 14-guide.
Embodiment
Below in conjunction with drawings and Examples the utility model being done a step describes.
As shown in Figure 1, the isolation of three stations of Cubicle Gas-Insulated Switchgear, earthed switch comprise spherical shell 1, the quiet side contact of isolation, the moving side contact 4 of isolation, the moving side contact of ground connection, the quiet side fingertip 11 of ground connection, moving side conductor 12 and contact base 13.
The quiet side fingertip 11 of ground connection is connected with spherical shell 1, isolates quiet side contact and is connected with housing upper contact head seat.Isolate quiet side contact and comprise the quiet side arc fingertip of isolation 2 and the quiet side contact 3 of isolation, both be assemblied in contact base that disc insulator is connected on, isolate quiet side contact 3 employing plum blossom contact finger structures, contact is fixed with support, the outside spring compression.Radome is equipped with in the quiet side contact 3 of described isolation and the quiet side fingertip of ground connection 11 outsides.
Moving side conductor 12 is connected with contact base 13 by watchband-shaped contactor 8, and moving side conductor 12 is driven by driving mechanism, and described driving mechanism comprises six square shafts 7, gear 5 and tooth bar 9, wherein six square shafts 7 are connected with gear 5, gear 5 places on the tooth bar 9, is connected six square shafts, the 7 outer shaft insulations 6 that are equipped with tooth bar 9; Side contact 4 is moved in described isolation, the moving side contact 10 of ground connection is connected to moving side conductor 12 two ends, and moving side conductor 12 belows are equipped with guide 14.
The specific works process:
As shown in Figure 1, shaft insulation 6 and six square shafts 7 all are driving parts, by the output of three position mechanism, drive them and rotate, and then driven gear 5 rotations, gear 5 to tooth bar 9, drives the power transmission moving side conductor 12 and do back and forth linear movement on axis.
As shown in Figure 2, the state that isolating switch is connected, earthed switch disconnects.Three position mechanism operation drives by driving mechanism, and the moving side conductor 12 of relief contacts the moving side contact 4 of isolation and the quiet side contact 3 of isolation, the quiet side arc fingertip 2 of isolation, the connection of realization isolating switch to left movement.
As shown in Figure 3, the state that isolating switch disconnects, earthed switch is connected.Moving side conductor 12 moves right, and the moving side contact 10 of ground connection contacts with the quiet side fingertip 11 of ground connection, finishes contact of earth.

Claims (9)

1. three stations of Cubicle Gas-Insulated Switchgear isolation, earthed switch is characterized in that: described switch comprises housing, the quiet side contact of isolation, the moving side contact of isolation, the moving side contact of ground connection, the quiet side contact of ground connection, moving side conductor and contact base; The quiet side contact of described ground connection is connected with housing, isolates quiet side contact and is connected with housing upper contact head seat; Described moving side conductor places enclosure interior, is connected with contact base by watchband-shaped contactor, and moving side conductor is driven by driving mechanism, and moving side conductor below is equipped with guide; Described driving mechanism comprises six square shafts, gear and tooth bar, and wherein six square shafts place on the housing, is connected with gear, and gear places on the tooth bar, is connected with tooth bar; The side contact is moved in described isolation, the moving side contact of ground connection is connected to moving side conductor two ends.
2. three stations of Cubicle Gas-Insulated Switchgear as claimed in claim 1 isolation, earthed switch, it is characterized in that: described housing is spherical cast aluminum casings.
3. three stations of Cubicle Gas-Insulated Switchgear as claimed in claim 1 isolation, earthed switch, it is characterized in that: the quiet side contact of described isolation comprises the quiet side arc fingertip of isolation and the quiet side contact of isolation, both be assemblied in contact base that disc insulator is connected on.
4. three stations of Cubicle Gas-Insulated Switchgear as claimed in claim 3 isolation, earthed switch is characterized in that: the quiet side contact of described isolation adopts the plum blossom contact finger structure, and contact is fixed with support, the outside spring compression.
5. three stations of Cubicle Gas-Insulated Switchgear as claimed in claim 1 isolation, earthed switch, it is characterized in that: the quiet side contact of described ground connection is the quiet side fingertip of ground connection.
6. three stations of Cubicle Gas-Insulated Switchgear as claimed in claim 3 isolation, earthed switch is characterized in that: radome is equipped with in the quiet side contact of the described isolation outside.
7. three stations of Cubicle Gas-Insulated Switchgear as claimed in claim 5 isolation, earthed switch is characterized in that: radome is equipped with in the quiet side fingertip of the described ground connection outside.
8. three stations of Cubicle Gas-Insulated Switchgear as claimed in claim 5 isolation, earthed switch, it is characterized in that: the quiet side fingertip of described ground connection is self-support type contact finger structure.
9. three stations of Cubicle Gas-Insulated Switchgear as claimed in claim 1 isolation, earthed switch, it is characterized in that: described six square shafts are equipped with shaft insulation outward.
CN 201220562331 2012-10-30 2012-10-30 Three-position isolation and earthing switch of gas insulated metal-enclosed switchgear Expired - Lifetime CN202917370U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220562331 CN202917370U (en) 2012-10-30 2012-10-30 Three-position isolation and earthing switch of gas insulated metal-enclosed switchgear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220562331 CN202917370U (en) 2012-10-30 2012-10-30 Three-position isolation and earthing switch of gas insulated metal-enclosed switchgear

Publications (1)

Publication Number Publication Date
CN202917370U true CN202917370U (en) 2013-05-01

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104021973A (en) * 2014-06-24 2014-09-03 沈阳华德海泰电器有限公司 Three-position switch for transferring current by quickly disconnecting bus
CN104377052A (en) * 2014-11-20 2015-02-25 许继(厦门)智能电力设备股份有限公司 Three-station switch used for 220kV composite apparatus
CN104979110A (en) * 2014-04-14 2015-10-14 西门子公司 Operating mechanism for working-position switching and three-position switch and fast grounding switch thereof
CN106410655A (en) * 2016-08-09 2017-02-15 江苏精科智能电气股份有限公司 High-stability composite combined electric appliance
CN110993390A (en) * 2019-11-22 2020-04-10 许继(厦门)智能电力设备股份有限公司 Switch structure with switching-on and switching-off assisting and buffering functions

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104979110A (en) * 2014-04-14 2015-10-14 西门子公司 Operating mechanism for working-position switching and three-position switch and fast grounding switch thereof
CN104021973A (en) * 2014-06-24 2014-09-03 沈阳华德海泰电器有限公司 Three-position switch for transferring current by quickly disconnecting bus
CN104377052A (en) * 2014-11-20 2015-02-25 许继(厦门)智能电力设备股份有限公司 Three-station switch used for 220kV composite apparatus
CN106410655A (en) * 2016-08-09 2017-02-15 江苏精科智能电气股份有限公司 High-stability composite combined electric appliance
CN110993390A (en) * 2019-11-22 2020-04-10 许继(厦门)智能电力设备股份有限公司 Switch structure with switching-on and switching-off assisting and buffering functions

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Three position isolating and grounding switch for gas insulated metal enclosed switchgear

Effective date of registration: 20200819

Granted publication date: 20130501

Pledgee: Jiangsu Yuneng Jingke photoelectric New Energy Group Co.,Ltd.

Pledgor: JIANGSU JINGKE SMART ELECTRIC Co.,Ltd.

Registration number: Y2020320000185

PE01 Entry into force of the registration of the contract for pledge of patent right
CX01 Expiry of patent term

Granted publication date: 20130501

CX01 Expiry of patent term