CN102486978A - Combined electrical isolating switch and grounding switch - Google Patents
Combined electrical isolating switch and grounding switch Download PDFInfo
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- CN102486978A CN102486978A CN2010105822409A CN201010582240A CN102486978A CN 102486978 A CN102486978 A CN 102486978A CN 2010105822409 A CN2010105822409 A CN 2010105822409A CN 201010582240 A CN201010582240 A CN 201010582240A CN 102486978 A CN102486978 A CN 102486978A
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- isolating switch
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- earthed switch
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Abstract
The invention provides a combined electrical isolating switch and a grounding switch. The isolating switch comprises a static contact, a moving contact, an electrically-operated mechanism, a rotation shaft, a pull bar insulator, a support insulator and an angle iron framework. The moving contact, the electrically-operated mechanism, the rotation shaft, the pull bar insulator, the static contact and the angle iron framework are shared by the grounding switch and the isolating switch. The static contact of the grounding switch is installed on the angle iron framework. A grounding switch static contact framework is fixed on an isolating switch angle iron framework. The angle iron framework is provided with an installation grounding hole. The invention is an isolating switch and grounding switch device which is applied in a connection and disconnection circuit in a power system medium voltage (6 kV, 10 kV and 20kV) power distribution network. The device has electrical and manual operation modes. Through applying the device, power supply reliability can be raised, labor intensity of a worker can be reduced, unsafe factors at aspects of electrical maloperation and traffic are avoided, and city power distribution network automation and transformer station automation are raised to a new technical level.
Description
Affiliated technical field
The present invention is a kind of isolating switch of pressing connection, open circuit in (6kV, 10kV, 20kV) power distribution network in the electric power system that is applied in; Earthed switch equipment; It has electronic and manual manipulation mode, is mainly used in electric substation's distribution system far distance controlled transmission or not operation of the circuit of urban power distribution network, box change, collection control.
Background technology
Isolating switch and earthed switch are one of visual plants in the system for distribution network of power.Isolation is at present closed, the earthed switch kind is a lot, and mechanism all is manual operation, can not realize electric operating; With low content of technology, operation inconvenience, particularly box change, collection control power transformation in one's power the city power distribution circuit stop send electricity to need arrive execute-in-place; Distance, time are long; Can not satisfy the requirement to user's power supply reliability, worker's labour intensity is big, also has the unsafe factor of traffic aspect.
Summary of the invention
In order to overcome existing isolating switch and the unhandy shortcoming of earthed switch in the system for distribution network of power, the invention provides a kind of brand-new combined electric high voltage isolator and earthed switch.Adopt the moving contact of electric operating mechanism direct control isolating switch, accomplish the make and break and the ground connection task of circuit, quick action and safety have realized the electric operating whole to the distribution system primary equipment.
In order to realize the foregoing invention purpose, the invention provides a kind of brand-new combined electric control high voltage isolator and earthed switch, comprise isolating switch, earthed switch; Said isolating switch comprises fixed contact, moving contact, motor-operating mechanism, rotation axis, link insulator, supporting insulator, angle iron frame; Said earthed switch comprises fixed contact, moving contact, motor-operating mechanism, rotation axis, link insulator, angle iron frame; The shared moving contact of said isolating switch and earthed switch, motor-operating mechanism, rotation axis, link insulator; Said earthed switch fixed contact is installed on the said angle iron frame, and said earthed switch fixed contact framework is installed on the said isolating switch angle iron frame, is equipped with the installation ground hole on the angle iron frame.
Described motor-operating mechanism comprises motor, speed change gear composition; Said speed change gear is by a pinion, a gear wheel, and a worm gear pole, sensitive switch, transmission device is formed; Motor rotary shaft connects pinion, and pinion connects worm gear pole, and worm gear pole connects gear wheel, and gear wheel connects transmission device, and transmission device connects the electric operating handle on the rotation axis of said isolating switch.
Said isolating switch moving contact comprises two curved 90 vertical shape conductive copper plates of spending, a conducting copper; Said two conductive copper plate one length of sides of bending 90 degree, on one side short, long limit is last, and minor face is following; Described conducting copper one end is installed in the middle of the two length of a film limit conductive copper plates, is dynamically connected with the band Spring screws; Said two conductive copper plate minor faces connect said terminal block, and terminal block connects supporting insulator, supporting insulator joint angle brandreth; Connect the active pull rod insulator in the middle of the said isolating switch moving contact copper bar, the moving contact copper bar other end is connected with fixed contact when isolating switch closes a floodgate.
Said isolating switch and earthed switch rotation axis; Be a round steel or steel pipe, connect the active pull rod insulator of said isolating switch and earthed switch three-phase moving contact on the rotation axis respectively, the lever of isolating switch and earthed switch motor-operating mechanism; Manual lever, stop.
The fixed contact of said isolating switch and earthed switch has the ectonexine copper coin, and the internal layer both sides are the sheet coppers that have salient angle, and skin is elastic sheet copper, and band dihedral sheet copper face and skin have the Thin Elastic copper coin and stack installation;
The vertical shape of curved 90 degree of two sheet coppers of said fixed contact internal layer is bent 90 degree sheet coppers, one length of sides for two, on one side short, the long limit of said fixed contact sheet copper is last, and minor face is following; Said sheet copper is installed in curved 45 degree in upper end, one length of a film limit, the left side left, and said sheet copper is installed in curved 45 degree in another upper end, length of a film limit, the right to the right; Have two curved 90 degree sheet coppers, one length of sides of Thin Elastic copper coin, one side short, said Thin Elastic copper coin length limit is last, and minor face is inwardly bent 30 degree down on two long limits of Thin Elastic copper coin;
Said static contact isolation switch bottom is fixed on the terminal block, and terminal block is fixed on the supporting insulator; The fixed contact bottom of earthed switch is fixed on the described angle iron frame;
The long limit of said fixed contact conductive copper plate is connected the connection circuit with the conducting copper of said moving contact upper end when high voltage isolator closes a floodgate; When the high voltage isolator separating brake, the fixed contact that is connected earthed switch with the conducting copper of said moving contact upper end is connected with ground.
Said electric isolating switch and earthed switch, electric isolating switch comprise three fixed contacts of three-phase isolation switch, three moving contacts, a motor-operating mechanism, three active pull rod insulators, a rotation axis; Said electric ground switch comprises three fixed contacts of three-phase earthed switch, three moving contacts, a motor-operating mechanism, three active pull rod insulators, a rotation axis; The shared motor-operating mechanism of said electric isolating switch and earthed switch three-phase, a rotation axis, three moving contacts, three active pull rod insulators;
Wherein, three moving contacts connect three active pull rod insulators of three-phase respectively, and three active pull rod insulators are connected with rotation axis, and the electric operating handle on the rotation axis connects motor-operating mechanism.
Beneficial effect
The relative prior art of the present invention has outstanding substantive distinguishing features and obvious improvement property, and following advantage is specifically arranged:
Combined electric isolating switch and earthed switch have been realized the electric operating to city power distribution automation and electric substation's power distribution cabinet, and operator on duty's transmission or not work need not arrived the execute-in-place switch; Can control remote-control operation on the screen at collection; Or on-the-spot electric operating, shortened the transmission or not operating time, improved power supply reliability; Reduced labour intensity again; Avoid the unsafe factor of electric misoperation and traffic aspect, the city power distribution automation and the automation of transformation substations have been brought up to a new technical merit, increased enterprise and whole society benefit greatly.
Description of drawings
Fig. 1 is the three-phase Facad structure sketch map of combined electric isolating switch of the present invention and earthed switch
Fig. 2 is the rotation axis syndeton sketch map of combined electric isolating switch of the present invention and earthed switch
Fig. 3 is the stop shape sketch map of electric isolating switch of the present invention
Fig. 4 is the static contact structure sketch map of combined electric isolating switch of the present invention and earthed switch
Embodiment:
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Like the three-phase Facad structure sketch map of Fig. 1, comprise isolating switch, earthed switch for combined electric isolating switch of the present invention and earthed switch; Said isolating switch comprises moving contact 1, link insulator 2, rotation axis 4, manual operation handle 5, supporting insulator 6, fixed contact 7, motor-operating mechanism 8, angle iron frame 9, and ground hole 12 is installed; Said earthed switch comprises fixed contact 11, moving contact 1, motor-operating mechanism 8, rotation axis 4, link insulator 2, angle iron frame 10; Said earthed switch fixed contact is installed on the said angle iron frame, and said earthed switch fixed contact framework is installed on the said isolating switch angle iron frame, is equipped with the installation ground hole on the angle iron frame.
Said electric isolating switch and earthed switch comprise three fixed contacts of three-phase isolation switch, three moving contacts, a motor-operating mechanism, three active pull rod insulators, a rotation axis; Said electric ground switch comprises three fixed contacts of three-phase earthed switch, three moving contacts, a motor-operating mechanism, three active pull rod insulators, a rotation axis; The shared motor-operating mechanism of said electric isolating switch and earthed switch three-phase, a rotation axis, three moving contacts, three active pull rod insulators;
Wherein, three moving contacts connect three active pull rod insulators of three-phase respectively, and three active pull rod insulators are connected with rotation axis, and the electric operating handle on the rotation axis connects motor-operating mechanism.
When the motor-operating mechanism of said three-phase isolation switch acquires the transmission or not signal; The motor of motor-operating mechanism gets electric operation, and drive pinion, worm gear pole, gear wheel rotate, when running reaches the action of assigned position sensitive switch; Motor power is broken off the motor stall.Isolating switch carries out automatic closing by regulation and connects circuit, or the operation of automatic brake separating ground connection.
Like the rotation axis syndeton sketch map of Fig. 2 for combined electric isolating switch of the present invention and earthed switch, rotation axis 4 is installed on the angle-iron frame 9, and 21 is the electric operating handle, and 22 is stop; The motor-operating mechanism of said three-phase isolation switch is connected with electric operating handle 21, and the electric operating handle connects rotation axis, rotation axis cylinder lever connecting rod insulator 2, and link insulator connects three moving contacts, and 5 is three-phase isolation switch manual operation handle.
For shown in the stop shape and structure sketch map of electric isolating switch of the present invention, be the shape of the rotary spacing device of isolating switch like Fig. 3, hole 31 is that rotation axis is installed; The 32nd, the shape of stop, it has three limits, two straight lines; A hypotenuse is fixedly mounted on rotation axis one end, when the moving contact of isolating switch turns to assigned position; Its straight line and the parallel contact of framework angle bar, rotation axis carries out spacing when rotating, and the moving contact of isolating switch is stopped operating.
Like the static contact structure sketch map of Fig. 4 for combined electric isolating switch of the present invention and earthed switch; Said fixed contact has inside and outside layer copper coin; Internal layer 41 both sides are the sheet coppers that have salient angle; Outer 42 is elastic sheet coppers, and band dihedral sheet copper and skin have the Thin Elastic copper coin and stack installation; The static contact isolation switch bottom is installed on the terminal block, and terminal block is fixed on the supporting insulator; The fixed contact bottom of earthed switch is installed on the angle iron frame.
The vertical shape of curved 90 degree of two sheet coppers of said fixed contact internal layer is bent 90 degree sheet coppers, one length of sides for two, on one side short, the long limit of said sheet copper is last, and minor face is following; Said sheet copper is installed in curved 45 degree in upper end, one length of a film limit, the left side left, and said sheet copper is installed in curved 45 degree in another upper end, length of a film limit, the right to the right; Have two curved 90 degree sheet coppers, one length of sides of Thin Elastic copper coin, one side short, said Thin Elastic copper coin length limit is last, and minor face is inwardly bent 30 degree down on two long limits of Thin Elastic copper coin;
The long limit of said fixed contact conductive copper plate is connected the connection circuit with the conducting copper of said moving contact upper end when high voltage isolator closes a floodgate; The moving contact conducting copper is connected with the fixed contact of said earthed switch and the ground connection when the high voltage isolator separating brake.
In isolating switch combined floodgate moving contact inserted fixed contact, the sheet copper that has salient angle can improve contact reliability between moving contact and the fixed contact; The Thin Elastic copper coin not only improves contact-making surface, also has the effect of fastening moving contact and fixed contact during combined floodgate.
Explanation is at last: above case is only in order to explaining technical scheme of the present invention, but not to its restriction; Although the present invention has been carried out detailed introduction with reference to preferred embodiment; The those of ordinary skill in affiliated field is to be understood that; Still but specific embodiments of the invention is made amendment or the part technical characterictic is replaced on an equal basis; And not breaking away from the spirit of technical scheme of the present invention, it all should be encompassed in the middle of the scope of the technical scheme that the present invention asks for protection.
Claims (6)
1. combined electric isolating switch and earthed switch, its characteristic: comprise isolating switch, earthed switch; Said isolating switch comprises fixed contact, moving contact, motor-operating mechanism, rotation axis, link insulator, supporting insulator, angle iron frame; Said earthed switch comprises fixed contact, moving contact, motor-operating mechanism, rotation axis, link insulator, angle iron frame; The shared moving contact of said isolating switch and earthed switch, motor-operating mechanism, rotation axis, link insulator; Said earthed switch fixed contact is installed on the said angle iron frame, and said earthed switch fixed contact angle iron frame is installed on the said isolating switch angle iron frame, is equipped with the installation ground hole on the angle iron frame.
2. combined electric isolating switch according to claim 1 and earthed switch is characterized in that: described motor-operating mechanism comprises motor, and speed change gear is formed; Said speed change gear comprises a pinion, a gear wheel, a worm gear pole, sensitive switch, transmission device; Motor rotary shaft connects pinion, and pinion connects worm gear pole, and worm gear pole connects gear wheel, and gear wheel connects transmission device, and transmission device connects the electric operating handle on the rotation axis of said isolating switch.
3. combined electric isolating switch according to claim 1 and earthed switch is characterized in that: said isolating switch moving contact comprises two curved 90 vertical shape conductive copper plates of spending, a conducting copper; Said two conductive copper plate one length of sides of bending 90 degree, on one side short, long limit is last, and minor face is following; Described conducting copper one end is installed in the middle of the two length of a film limit conductive copper plates, is dynamically connected with the band Spring screws; Said two conductive copper plate minor faces connect said terminal block, and terminal block connects supporting insulator, supporting insulator joint angle brandreth; Connect the active pull rod insulator in the middle of the said isolating switch moving contact copper bar, the said copper bar other end is connected the connection circuit with said fixed contact when isolating switch closes a floodgate.
4. combined electric isolating switch according to claim 1 and earthed switch; It is characterized in that: said isolating switch and earthed switch rotation axis; Be a round steel or steel pipe, connect the active pull rod insulator of said isolating switch and earthed switch three-phase moving contact on the rotation axis respectively, the lever of isolating switch and earthed switch motor-operating mechanism; Manual lever, stop.
5. combined electric isolating switch according to claim 1 and earthed switch; It is characterized in that: the fixed contact of said isolating switch and earthed switch; Said fixed contact comprises the ectonexine copper coin; The internal layer both sides are the sheet coppers that have salient angle, and skin is elastic sheet copper, and band lobe-shape sheet copper face and skin have the Thin Elastic copper coin and stack installation;
Two sheet coppers of said internal layer are bent the vertical shape of 90 degree, said sheet copper one length of side, on one side short, the long limit of said sheet copper is last, and minor face is following; Said sheet copper is installed in curved 45 degree in upper end, one length of a film limit, the left side left, and said sheet copper is installed in curved 45 degree in another upper end, length of a film limit, the right to the right; Said two curved 90 degree of Thin Elastic copper coin that have, sheet copper one length of side, one side short, said Thin Elastic copper coin length limit is last, and minor face is inwardly bent 30 degree down on two long limits of Thin Elastic copper coin;
Said static contact isolation switch bottom is installed on the terminal block, and terminal block is installed on the supporting insulator; The fixed contact bottom of earthed switch is installed on the described angle iron frame.
6. combined electric isolating switch according to claim 1 and earthed switch; It is characterized in that: said electric isolating switch and earthed switch; Said electric isolating switch comprises three fixed contacts of three-phase isolation switch, three moving contacts, a motor-operating mechanism; Three active pull rod insulators, a rotation axis; Said electric ground switch comprises three fixed contacts of three-phase earthed switch, three moving contacts, a motor-operating mechanism, three active pull rod insulators, a rotation axis; The shared motor-operating mechanism of said electric isolating switch and earthed switch three-phase, a rotation axis, three moving contacts, three active pull rod insulators;
Wherein, three moving contacts connect three active pull rod insulators of three-phase respectively, and three active pull rod insulators are connected with rotation axis, and the electric operating handle on the rotation axis connects motor-operating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105822409A CN102486978A (en) | 2010-12-01 | 2010-12-01 | Combined electrical isolating switch and grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105822409A CN102486978A (en) | 2010-12-01 | 2010-12-01 | Combined electrical isolating switch and grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102486978A true CN102486978A (en) | 2012-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105822409A Pending CN102486978A (en) | 2010-12-01 | 2010-12-01 | Combined electrical isolating switch and grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102486978A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807064A (en) * | 2018-08-09 | 2018-11-13 | 贵州电网有限责任公司 | Easy care split formula high voltage isolator |
| CN109148203A (en) * | 2017-06-16 | 2019-01-04 | 河北信志电力设备制造有限公司 | A kind of intelligent three-phase linkage disconnector |
| CN112017900A (en) * | 2020-08-31 | 2020-12-01 | 国家电网有限公司 | Isolation switch |
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| CN2840304Y (en) * | 2005-11-16 | 2006-11-22 | 河南森源电气股份有限公司 | Indoor high-voltage three-station isolating switch |
| CN201352526Y (en) * | 2008-09-11 | 2009-11-25 | 保定供电公司 | 10kv outside triphase linkage isolating switch |
| CN201435339Y (en) * | 2009-05-30 | 2010-03-31 | 陈家斌 | 10kV electric disconnecting switch |
| JP2010073567A (en) * | 2008-09-19 | 2010-04-02 | East Japan Railway Co | Protective earth switch and rail vehicle |
| CN201532892U (en) * | 2009-11-03 | 2010-07-21 | 陈家斌 | 6-10kV electric disconnecting switch contact |
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2010
- 2010-12-01 CN CN2010105822409A patent/CN102486978A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2840304Y (en) * | 2005-11-16 | 2006-11-22 | 河南森源电气股份有限公司 | Indoor high-voltage three-station isolating switch |
| CN201352526Y (en) * | 2008-09-11 | 2009-11-25 | 保定供电公司 | 10kv outside triphase linkage isolating switch |
| JP2010073567A (en) * | 2008-09-19 | 2010-04-02 | East Japan Railway Co | Protective earth switch and rail vehicle |
| CN201435339Y (en) * | 2009-05-30 | 2010-03-31 | 陈家斌 | 10kV electric disconnecting switch |
| CN201532892U (en) * | 2009-11-03 | 2010-07-21 | 陈家斌 | 6-10kV electric disconnecting switch contact |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148203A (en) * | 2017-06-16 | 2019-01-04 | 河北信志电力设备制造有限公司 | A kind of intelligent three-phase linkage disconnector |
| CN108807064A (en) * | 2018-08-09 | 2018-11-13 | 贵州电网有限责任公司 | Easy care split formula high voltage isolator |
| CN108807064B (en) * | 2018-08-09 | 2024-01-30 | 贵州电网有限责任公司 | Easy maintenance split type high-voltage isolating switch |
| CN112017900A (en) * | 2020-08-31 | 2020-12-01 | 国家电网有限公司 | Isolation switch |
| CN112017900B (en) * | 2020-08-31 | 2022-08-26 | 国家电网有限公司 | Isolation switch |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20120606 |