CN105071280A - Vacuum switch ring main unit suitable for being insulated by environment-friendly gas - Google Patents

Vacuum switch ring main unit suitable for being insulated by environment-friendly gas Download PDF

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Publication number
CN105071280A
CN105071280A CN201510520943.1A CN201510520943A CN105071280A CN 105071280 A CN105071280 A CN 105071280A CN 201510520943 A CN201510520943 A CN 201510520943A CN 105071280 A CN105071280 A CN 105071280A
Authority
CN
China
Prior art keywords
vacuum
transmission shaft
main unit
switch
environmental protection
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.)
Pending
Application number
CN201510520943.1A
Other languages
Chinese (zh)
Inventor
郭予龙
高向华
杜立春
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.)
ASIA ELECTRICAL POWER EQUIPMENT (SHENZHEN) Co Ltd
Original Assignee
ASIA ELECTRICAL POWER EQUIPMENT (SHENZHEN) 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
Application filed by ASIA ELECTRICAL POWER EQUIPMENT (SHENZHEN) Co Ltd filed Critical ASIA ELECTRICAL POWER EQUIPMENT (SHENZHEN) Co Ltd
Priority to CN201510520943.1A priority Critical patent/CN105071280A/en
Publication of CN105071280A publication Critical patent/CN105071280A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a vacuum switch ring main unit suitable for being insulated by an environment-friendly gas. The vacuum switch ring main unit suitable comprises a ring main unit body, wherein the ring main unit body is divided into an operating chamber, a vacuum switch chamber, a cable chamber and a gas discharge chamber; the vacuum switch chamber is internally provided with a plurality of vacuum circuit breakers, isolating switches, conductive rods, and a first transmission shaft and a third transmission shaft which are vertical to the vacuum circuit breakers; the plurality of isolating switches are fixedly connected through the third transmission shaft, and the isolating switches are connected with the conductive rods respectively; a cam mechanism is fixed to each end of the first transmission shaft, and the cam mechanisms are in contact with a second transmission shaft and drive the second transmission shaft to move up and down; the operating chamber is integrally provided with a first operating mechanism which is used for controlling the first transmission shaft to rotate, and a second operating mechanism which is used for controlling the third transmission shaft to rotate; and a first rotating shaft drives a pressing rod to move up and down through the cam mechanism when the first rotating shaft is driven to rotate by the first operating mechanism. The vacuum switch ring main unit has the advantage of being simple in structure, safe, and convenient in switching on and switching off.

Description

Be applicable to the vacuum switch ring network cabinet of environmental protection gas-insulated type
Technical field
The present invention relates to technical field of automation, especially a kind of vacuum switch ring network cabinet being applicable to environmental protection gas-insulated type.
Background technology
At present using SF6 gas as the gas-insulated ring network cabinet of insulation and arc-extinguishing medium, model is numerous, complex structure, and poor reliability exists potential safety hazard, cable installation and maintenance inconvenience; SF6 gas belongs to greenhouse gas simultaneously, not environmentally.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, provide one to be applicable to environmental protection gas-insulated type vacuum switch ring network cabinet.
A kind of technical scheme of the present invention:
Be applicable to a vacuum switch ring network cabinet for environmental protection gas-insulated type, comprise ring main unit body, ring main unit body is divided into operating room, vacuum interrupter chamber, cable vault and disappointing room; Operating room is positioned at the upper right corner of ring main unit body, and vacuum interrupter chamber is positioned at the upper left corner of ring main unit body, and cable vault is positioned at the lower right corner of ring main unit body, and disappointing room is positioned at the lower left corner of ring main unit body;
Vacuum switch indoor are provided with some vacuum circuit-breakers, the isolating switch corresponding with vacuum circuit-breaker quantity and contact rod, and first power transmission shaft vertical with some vacuum circuit-breakers, second driving shaft and the 3rd power transmission shaft; Vacuum circuit-breaker comprises vacuum circuit breaker body, be positioned at fixed contact and the moving contact of vacuum circuit breaker body, and the depression bar to be connected with moving contact, one end of depression bar stretches out vacuum circuit breaker body and cover has spring, the end that depression bar stretches out one end of vacuum circuit breaker body is fixedly connected with second driving shaft, the outlet binding post that moving contact is provided with on-load switch room sidewall is connected by wire, and the lower end of fixed contact is connected with switch and connects row; Some isolating switches are fixedly connected with by the 3rd power transmission shaft, and isolating switch connects with corresponding contact rod; The two ends of the first power transmission shaft are fixed with cam mechanism, and cam mechanism contacts with second driving shaft and drives second driving shaft to move up and down;
Lose heart and be provided with explosion-proof valve between room and vacuum interrupter chamber; Be provided with the inlet wire cable pillar be connected with contact rod in cable vault, inlet wire cable pillar is connected with isolating switch by contact rod;
Be provided with the first operating mechanism rotated for controlling the first power transmission shaft in operating room, and control the second transmission mechanism of the 3rd power transmission shaft rotation;
When first operating mechanism drives the first rotating shaft to rotate, the first rotating shaft is moved up and down by cam mechanism driving depression bar, and fixed contact and moving contact are separated and contact; Second transmission mechanism drives isolating switch to rotate by the 3rd power transmission shaft, and the isolation plug-in strip of isolating switch is in disconnection, ground connection respectively and connects switch and is connected row.
Scheme is known thus, when the isolation plug-in strip of isolating switch to be connected with switch arrange connect time, first operating mechanism controls depression bar by the first rotating shaft and moves down, fixed contact contacts with moving contact, the ring main unit that now insulate is in conducting state, namely electric current enter from inlet wire cable pillar after successively through contact rod, isolating switch, vacuum circuit-breaker and outlet binding post; First operating mechanism controls depression bar by the first rotating shaft and moves up, and fixed contact is separated with moving contact, and the ring main unit that now insulate is in off-state; When needs overhaul insulation ring main unit, the second transmission mechanism control the 3rd power transmission shaft rotates, and makes the isolation plug-in strip ground connection of isolating switch; Structure is simple, easy-to-operate.
A kind of preferred version is that cam mechanism is provided with a deep-slotted chip breaker, and the two ends of second driving shaft are placed in the deep-slotted chip breaker of the cam mechanism at the first power transmission shaft two ends respectively.
Scheme is known thus, and the two ends of second driving shaft are placed in deep-slotted chip breaker respectively, facilitates cam mechanism to control second driving shaft and moves up and down.
A kind of preferred version is that the first rotating shaft and the 3rd power transmission shaft are tightly connected with the sidewall of vacuum interrupter chamber respectively.
Scheme is known thus, and the first rotating shaft and the 3rd power transmission shaft are tightly connected with the sidewall of on-load switch room respectively, and the insulating gas of vacuum switch indoor can be prevented toward outward leakage.
A kind of preferred version is that the 3rd rotating shaft outer cover has insulating case, and insulating case is fixedly connected with isolating switch.
Scheme is known thus, and insulating case can prevent electric charge from flowing to ring main unit body by the 3rd rotating shaft, prevents security incident from occurring.
A kind of preferred version is filled with vacuum switch indoor in operating room to be filled with environmental protection gas.
A kind of preferred version is environmental protection gas is N2, CO2 or dry air.
A kind of preferred version is environmental protection gas is N2, dry air and CO2 mist.
Scheme is known thus, and N2, dry air and CO2 are a kind of environmental protection gas.
A kind of preferred version is contact rod is copper rod.
Scheme is known thus, the good conductivity of copper rod.
A kind of preferred version is the quantity of vacuum circuit-breaker is 3.
Comprehensive technique scheme is known, and the present invention has following beneficial effect: structure is simple, easy-to-operate.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of specification, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is stereogram of the present invention.
Fig. 2 is front view of the present invention.
Fig. 3 is left view of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below in conjunction with accompanying drawing, the present invention is described further.
As shown in Figure 1 to Figure 3, a kind of vacuum switch ring network cabinet 1 being applicable to environmental protection gas-insulated type, comprise ring main unit body, ring main unit body is divided into operating room 20, vacuum interrupter chamber 10, cable vault 40 and disappointing room 30; Operating room 20 is positioned at the upper right corner of ring main unit body, and vacuum interrupter chamber is positioned at the upper left corner of ring main unit body, and cable vault is positioned at the lower right corner of ring main unit body, and disappointing room is positioned at the lower left corner of ring main unit body.
Some vacuum circuit-breakers 101 are provided with in vacuum interrupter chamber 10, the isolating switch 102 corresponding with vacuum circuit-breaker 101 quantity and contact rod 103, and first power transmission shaft 104 vertical with some vacuum circuit-breakers 101, second driving shaft 105 and the 3rd power transmission shaft 106.Vacuum circuit-breaker 101 comprises vacuum circuit breaker body 101a, be positioned at fixed contact and the moving contact of vacuum circuit breaker body 101a, and the depression bar 101b to be connected with moving contact, one end of depression bar 101b stretches out vacuum circuit breaker body 101a and cover has spring 107, the end that depression bar 101b stretches out one end of vacuum circuit breaker body 101a is fixedly connected with second driving shaft 105, the outlet binding post 108 that moving contact is provided with vacuum interrupter chamber 10 sidewall is connected by wire, and the lower end of fixed contact is connected with switch and connects row 109; Some isolating switches 102 are fixedly connected with by the 3rd power transmission shaft 106, and isolating switch 102 connects with corresponding contact rod 103; The two ends of the first power transmission shaft 104 are fixed with cam mechanism 110, and cam mechanism 110 contacts with second driving shaft 105 and drives second driving shaft 105 to move up and down.
Lose heart and be provided with explosion-proof valve 301 between room 30 and vacuum interrupter chamber 10; Be provided with the inlet wire cable pillar 401 be connected with contact rod 103 in cable vault 40, inlet wire cable pillar 401 is connected with isolating switch 102 by contact rod 103.
Be provided with the first operating mechanism 201 rotated for controlling the first power transmission shaft 104 in operating room 20, and control the second transmission mechanism 202 of the 3rd power transmission shaft 106 rotation.
When first operating mechanism 201 drives the first rotating shaft 104 to rotate, the first rotating shaft 104 drives depression bar 101b to move up and down by cam mechanism 110, and fixed contact is separated with moving contact or contacts; Second transmission mechanism 202 drives isolating switch 102 to rotate by the 3rd power transmission shaft 106, and the isolation plug-in strip of isolating switch 102 is in disconnection, ground connection respectively and connects switch and is connected row 109.
When the isolation plug-in strip of isolating switch 102 to be connected with switch row 109 connect time, first operating mechanism 201 controls depression bar 101b by the first rotating shaft 104 and moves down, fixed contact contacts with moving contact, the ring main unit that now insulate is in conducting state, namely electric current enter from inlet wire cable pillar 401 after successively through contact rod 103, isolating switch 102, vacuum circuit-breaker 101 and outlet binding post 108; First operating mechanism 201 by the first rotating shaft 104 control depression bar 101b move up time, fixed contact is separated with moving contact, now insulate ring main unit be in off-state; When needs overhaul insulation ring main unit, the second transmission mechanism 202 controls the 3rd power transmission shaft 106 and rotates, and makes the isolation plug-in strip ground connection of isolating switch 102.
Cam machine 110 structure is provided with a deep-slotted chip breaker 111, and the two ends of second driving shaft 105 are placed in the deep-slotted chip breaker 111 of the cam mechanism 110 at the first power transmission shaft 104 two ends respectively.When the first operating mechanism 201 drives the first rotating shaft 104 to rotate, second driving shaft 105 arcuately groove 111 slides, and now second driving shaft 105 drives depression bar 101b to move up or down.Therefore the open and close of vacuum circuit-breaker 101 can be controlled easily.
First rotating shaft 104 and the 3rd power transmission shaft 106 are tightly connected with the sidewall of vacuum interrupter chamber 10 respectively.Insulating gas in vacuum interrupter chamber 10 can be prevented toward outward leakage.In the present embodiment, in vacuum interrupter chamber 10, be filled with environmental protection gas.Environmental protection gas is N2, dry air, CO2; In other embodiment, environmental protection gas is N2, dry air and CO2 mist.3rd rotating shaft 106 outer cover has the first insulating case, and the first insulating case is fixedly connected with isolating switch 102.
Be more than the specific embodiment of the present invention, it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.

Claims (9)

1. be applicable to a vacuum switch ring network cabinet for environmental protection gas-insulated type, it is characterized in that, comprise ring main unit body, described ring main unit body is divided into operating room, vacuum interrupter chamber, cable vault and disappointing room; Described operating room is positioned at the upper right corner of ring main unit body, and described vacuum interrupter chamber is positioned at the upper left corner of ring main unit body, and described cable vault is positioned at the lower right corner of ring main unit body, and described disappointing room is positioned at the lower left corner of ring main unit body;
Described vacuum switch indoor are provided with some vacuum circuit-breakers, the isolating switch corresponding with vacuum circuit-breaker quantity and contact rod, and first power transmission shaft vertical with some vacuum circuit-breakers, second driving shaft and the 3rd power transmission shaft; Described vacuum circuit-breaker comprises vacuum circuit breaker body, be positioned at fixed contact and the moving contact of vacuum circuit breaker body, and the depression bar to be connected with moving contact, one end of described depression bar stretches out vacuum circuit breaker body and cover has spring, the end that described depression bar stretches out one end of vacuum circuit breaker body is fixedly connected with second driving shaft, the outlet binding post that described moving contact is provided with on-load switch room sidewall is connected by wire, and the lower end of described fixed contact is connected with switch and connects row; Some isolating switches are fixedly connected with by the 3rd power transmission shaft, and described isolating switch connects with corresponding contact rod; The two ends of described first power transmission shaft are fixed with cam mechanism, and described cam mechanism contacts with second driving shaft and drives second driving shaft to move up and down;
Explosion-proof valve is provided with between described disappointing room and vacuum interrupter chamber; Be provided with the inlet wire cable pillar be connected with contact rod in described cable vault, inlet wire cable pillar is connected with isolating switch by contact rod;
Be provided with the first operating mechanism rotated for controlling the first power transmission shaft in described operating room, and control the second transmission mechanism of the 3rd power transmission shaft rotation;
When first operating mechanism drives the first rotating shaft to rotate, the first rotating shaft is moved up and down by cam mechanism driving depression bar, and fixed contact and moving contact are separated and contact; Second transmission mechanism drives isolating switch to rotate by the 3rd power transmission shaft, and the isolation plug-in strip of isolating switch is in disconnection, ground connection respectively and connects switch and is connected row.
2. be applicable to the vacuum switch ring network cabinet of environmental protection gas-insulated type as claimed in claim 1, it is characterized in that, described cam mechanism is provided with a deep-slotted chip breaker, and the two ends of described second driving shaft are placed in the deep-slotted chip breaker of the cam mechanism at the first power transmission shaft two ends respectively.
3. be applicable to the vacuum switch ring network cabinet of environmental protection gas-insulated type as claimed in claim 1, it is characterized in that, described first rotating shaft and the 3rd power transmission shaft are tightly connected with the sidewall of on-load switch room respectively.
4. be applicable to the vacuum switch ring network cabinet of environmental protection gas-insulated type as claimed in claim 1, it is characterized in that, described 3rd rotating shaft outer cover has insulating case, and described insulating case is fixedly connected with isolating switch.
5. be applicable to the vacuum switch ring network cabinet of environmental protection gas-insulated type as claimed in claim 1, it is characterized in that, described vacuum switch indoor are filled with environmental protection gas.
6. be applicable to the vacuum switch ring network cabinet of environmental protection gas-insulated type as claimed in claim 5, it is characterized in that, described environmental protection gas is N2, CO2 or dry air.
7. be applicable to the vacuum switch ring network cabinet of environmental protection gas-insulated type as claimed in claim 5, it is characterized in that, described environmental protection gas is the mist of N2, CO2 and dry air.
8. be applicable to the vacuum switch ring network cabinet of environmental protection gas-insulated type as claimed in claim 1, it is characterized in that, described contact rod is copper rod.
9. be applicable to the vacuum switch ring network cabinet of environmental protection gas-insulated type as claimed in claim 1, it is characterized in that, the quantity of described vacuum circuit-breaker is 3.
CN201510520943.1A 2015-08-21 2015-08-21 Vacuum switch ring main unit suitable for being insulated by environment-friendly gas Pending CN105071280A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510520943.1A CN105071280A (en) 2015-08-21 2015-08-21 Vacuum switch ring main unit suitable for being insulated by environment-friendly gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510520943.1A CN105071280A (en) 2015-08-21 2015-08-21 Vacuum switch ring main unit suitable for being insulated by environment-friendly gas

Publications (1)

Publication Number Publication Date
CN105071280A true CN105071280A (en) 2015-11-18

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Country Link
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106953264A (en) * 2017-04-05 2017-07-14 珠海航天科创实业有限公司 A kind of environmentally friendly gas insulation switch cabinet
CN107069525A (en) * 2017-04-05 2017-08-18 珠海航天科创实业有限公司 Isolate lower earthed switch cabinet in one kind
CN107680872A (en) * 2017-10-17 2018-02-09 珠海许继电气有限公司 A kind of vacuum circuit breaker with double breaks
CN108390304A (en) * 2018-03-23 2018-08-10 华翔翔能电气股份有限公司 Environment-friendly type air insulation ring main unit
CN110537239A (en) * 2017-04-24 2019-12-03 西门子股份公司 The gas isolated switchgear of the terminal component of movement contact for vacuum switch tube and the terminal component with the movement contact for vacuum switch tube
CN110970272A (en) * 2019-11-30 2020-04-07 河南平高通用电气有限公司 Circuit breaker and gas insulated switchgear using same
CN112467598A (en) * 2020-11-27 2021-03-09 中铁二院工程集团有限责任公司 Environment-friendly gas full-sealed full-insulated switchgear

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Publication number Priority date Publication date Assignee Title
DE19518126A1 (en) * 1995-05-17 1996-11-21 Josef F Perle Circuit breaker
CN201270388Y (en) * 2008-08-01 2009-07-08 丹阳信德电气设备有限公司 10kV SF6 full insulation full sealing compact loop network switch device
CN101630818A (en) * 2009-06-11 2010-01-20 宁波甬新东方电气有限公司 Environment-friendly type fixed-sealing integrated and modularized vacuum looped network switch equipment
CN201562905U (en) * 2009-12-10 2010-08-25 浙宝电气(杭州)集团有限公司 Closed switch equipment of SF6 gas insulation alternating current metal
CN103944098A (en) * 2014-04-23 2014-07-23 宁波耐森电气科技有限公司 Inflatable breaker cabinet
CN104300417A (en) * 2014-10-17 2015-01-21 宝鸡市西高电气科技有限公司 Indoor inflation ring main unit with embedded poles
CN104752984A (en) * 2015-03-26 2015-07-01 深圳市飞越开关设备有限公司 Environmentally-friendly gas insulated switching cabinet and operation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19518126A1 (en) * 1995-05-17 1996-11-21 Josef F Perle Circuit breaker
CN201270388Y (en) * 2008-08-01 2009-07-08 丹阳信德电气设备有限公司 10kV SF6 full insulation full sealing compact loop network switch device
CN101630818A (en) * 2009-06-11 2010-01-20 宁波甬新东方电气有限公司 Environment-friendly type fixed-sealing integrated and modularized vacuum looped network switch equipment
CN201562905U (en) * 2009-12-10 2010-08-25 浙宝电气(杭州)集团有限公司 Closed switch equipment of SF6 gas insulation alternating current metal
CN103944098A (en) * 2014-04-23 2014-07-23 宁波耐森电气科技有限公司 Inflatable breaker cabinet
CN104300417A (en) * 2014-10-17 2015-01-21 宝鸡市西高电气科技有限公司 Indoor inflation ring main unit with embedded poles
CN104752984A (en) * 2015-03-26 2015-07-01 深圳市飞越开关设备有限公司 Environmentally-friendly gas insulated switching cabinet and operation method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106953264A (en) * 2017-04-05 2017-07-14 珠海航天科创实业有限公司 A kind of environmentally friendly gas insulation switch cabinet
CN107069525A (en) * 2017-04-05 2017-08-18 珠海航天科创实业有限公司 Isolate lower earthed switch cabinet in one kind
CN110537239A (en) * 2017-04-24 2019-12-03 西门子股份公司 The gas isolated switchgear of the terminal component of movement contact for vacuum switch tube and the terminal component with the movement contact for vacuum switch tube
CN110537239B (en) * 2017-04-24 2022-04-29 西门子股份公司 Terminal element and gas-insulated switchgear assembly
CN107680872A (en) * 2017-10-17 2018-02-09 珠海许继电气有限公司 A kind of vacuum circuit breaker with double breaks
CN108390304A (en) * 2018-03-23 2018-08-10 华翔翔能电气股份有限公司 Environment-friendly type air insulation ring main unit
CN110970272A (en) * 2019-11-30 2020-04-07 河南平高通用电气有限公司 Circuit breaker and gas insulated switchgear using same
CN110970272B (en) * 2019-11-30 2021-08-06 河南平高通用电气有限公司 Circuit breaker and gas insulated switchgear using same
CN112467598A (en) * 2020-11-27 2021-03-09 中铁二院工程集团有限责任公司 Environment-friendly gas full-sealed full-insulated switchgear

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Application publication date: 20151118

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