CN201877334U - Combined 6 to 20 kV electric isolating switch and grounding switch - Google Patents
Combined 6 to 20 kV electric isolating switch and grounding switch Download PDFInfo
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- CN201877334U CN201877334U CN2010206494731U CN201020649473U CN201877334U CN 201877334 U CN201877334 U CN 201877334U CN 2010206494731 U CN2010206494731 U CN 2010206494731U CN 201020649473 U CN201020649473 U CN 201020649473U CN 201877334 U CN201877334 U CN 201877334U
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Abstract
The utility model provides a combined 6 to 20 kV electric isolating switch and a grounding switch. The isolating switch comprises a static contact, a moving contact, an elastic operating mechanism, a rotating shaft, a pull rod insulator, a supporting insulator and an angle iron framework; the grounding switch shares the moving contact, the elastic operating mechanism, the rotating shaft and the pull rod insulator with the isolating switch, and also comprises a static contact and an angle iron framework; the static contact of the grounding switch is installed on the angle iron framework; a static contact framework of the grounding switch is fixedly arranged on the angle iron framework of the isolating switch; and a grounding hole is formed in the angle iron framework. The utility model adopts equipment applied to the isolating switch of close and open circuits in a power system medium-voltage distribution network and the grounding switch, and has electric and manual operation modes; the application of the utility model can improve the power supply reliability and also reduce the labor intensity of employees, simultaneously avoids unsafe factors in terms of electric misoperation and traffic, and improves urban distribution network automatization and transformer substation automatization 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, the 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, 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 to 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, finish 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; Described isolating switch comprises fixed contact, moving contact, motor-operating mechanism, rotation axis, link insulator, supporting insulator, angle iron frame; Described earthed switch comprises fixed contact, moving contact, motor-operating mechanism, rotation axis, link insulator, angle iron frame; The shared moving contact of described isolating switch and earthed switch, motor-operating mechanism, rotation axis, link insulator; Described earthed switch fixed contact is installed on the described angle iron frame, and described earthed switch fixed contact framework is installed on the described 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; Described 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 described isolating switch.
Described isolating switch moving contact comprises two curved 90 vertical shape conductive copper plates of spending, a conducting copper; Described 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; Described two conductive copper plate minor faces connect described terminal block, and terminal block connects supporting insulator, supporting insulator joint angle brandreth; Connect the active pull rod insulator in the middle of the described isolating switch moving contact copper bar, the moving contact copper bar other end is connected with fixed contact when isolating switch closes a floodgate.
Described isolating switch and earthed switch rotation axis, be a round steel or steel pipe, connect the active pull rod insulator of described 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 described isolating switch and earthed switch, row ectonexine copper coin, 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 described fixed contact internal layer is bent 90 degree sheet coppers, one length of sides for two, on one side short, the long limit of described fixed contact sheet copper is last, and minor face is following; Described sheet copper is installed in curved 45 degree in upper end, one length of a film limit, the left side left, and described 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, described 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;
Described 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 described fixed contact conductive copper plate is connected the connection circuit with the conducting copper of described 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 described moving contact upper end is connected with ground.
Described 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; Described 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 described 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, and following advantage is specifically arranged:
Description of drawings
Fig. 1 is the three-phase Facad structure schematic diagram of composite type 6～20kV electric isolating switch of the present invention and earthed switch
Fig. 2 is the rotation axis syndeton schematic diagram of composite type 6～20kV electric isolating switch of the present invention and earthed switch
Fig. 3 is the stop shape schematic diagram of electric isolating switch of the present invention
Fig. 4 is the static contact structure schematic diagram of composite type 6～20kV electric isolating switch of the present invention and earthed switch
Embodiment;
The present invention is further described below in conjunction with drawings and Examples.
As the three-phase Facad structure schematic diagram of Fig. 1, comprise isolating switch, earthed switch for composite type 6～20kV electric isolating switch of the present invention and earthed switch; Described 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; Described earthed switch comprises fixed contact 11, moving contact 1, motor-operating mechanism 8, rotation axis 4, link insulator 2, angle iron frame 10; Described earthed switch fixed contact is installed on the described angle iron frame, and described earthed switch fixed contact framework is installed on the described isolating switch angle iron frame, is equipped with the installation ground hole on the angle iron frame.
Described 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; Described 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 described 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 described 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 disconnected the motor stall.Isolating switch is carried out in accordance with regulations automatic closing and connects circuit, or the operation of automatic brake separating ground connection.
As the rotation axis syndeton schematic diagram of Fig. 2 for composite type 6～20kV 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 described 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.
As Fig. 3 is shown in the stop shape and structure schematic diagram of electric isolating switch of the present invention, be the shape of the rotary spacing device of isolating switch, hole 31 is that rotation axis, the 32nd, the shape of stop are installed, 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.
As the static contact structure schematic diagram of Fig. 4 for composite type 6～20kV electric isolating switch of the present invention and earthed switch, described 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 described fixed contact internal layer is bent 90 degree sheet coppers, one length of sides for two, on one side short, the long limit of described sheet copper is last, and minor face is following; Described sheet copper is installed in curved 45 degree in upper end, one length of a film limit, the left side left, and described 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, described 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 described fixed contact conductive copper plate is connected the connection circuit with the conducting copper of described moving contact upper end when high voltage isolator closes a floodgate; The moving contact conducting copper is connected with the fixed contact of described 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 only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is described in detail with reference to preferred embodiment; those of ordinary skill in the field are to be understood that; still can make amendment or the part technical characterictic is replaced on an equal basis the specific embodiment of the present invention; and not breaking away from the spirit of technical solution 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. one one kinds of composite type 6～20kV electric isolating switchs and earthed switch, its feature: comprise isolating switch, earthed switch; Described isolating switch comprises fixed contact, moving contact, motor-operating mechanism, rotation axis, link insulator, supporting insulator, angle iron frame; Described earthed switch comprises fixed contact, moving contact, motor-operating mechanism, rotation axis, link insulator, angle iron frame; The shared moving contact of described isolating switch and earthed switch, motor-operating mechanism, rotation axis, link insulator; Described earthed switch fixed contact is installed on the described angle iron frame, and described earthed switch fixed contact angle iron frame is installed on the described isolating switch angle iron frame, is equipped with the installation ground hole on the angle iron frame.
2. composite type 6～20kV 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; Described 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 described isolating switch.
3. composite type 6～20kV electric isolating switch according to claim 1 and earthed switch is characterized in that: described isolating switch moving contact comprises two curved 90 vertical shape conductive copper plates of spending, a conducting copper; Described 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; Described two conductive copper plate minor faces connect described terminal block, and terminal block connects supporting insulator, supporting insulator joint angle brandreth; Connect the active pull rod insulator in the middle of the described isolating switch moving contact copper bar, the described copper bar other end is connected the connection circuit with described fixed contact when isolating switch closes a floodgate.
4. composite type 6～20kV electric isolating switch according to claim 1 and earthed switch, it is characterized in that: described isolating switch and earthed switch rotation axis, be a round steel or steel pipe, the active pull rod insulator that connects described 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. composite type 6～20kV electric isolating switch according to claim 1 and earthed switch, it is characterized in that: the fixed contact of described isolating switch and earthed switch, described fixed contact comprises the ectonexine copper coin, the internal layer both sides are the sheet coppers that have salient angle, skin is the flexible sheet copper of band row, and band lobe-shape sheet copper face and skin have the Thin Elastic copper coin and stack installation;
Two sheet coppers of described internal layer are bent the vertical shape of 90 degree, described sheet copper one length of side, on one side short, the long limit of described sheet copper is last, and minor face is following; Described sheet copper is installed in curved 45 degree in upper end, one length of a film limit, the left side left, and described sheet copper is installed in curved 45 degree in another upper end, length of a film limit, the right to the right; Described two curved 90 degree of Thin Elastic copper coin that have, sheet copper one length of side, one side short, described 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;
Described 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. composite type 6～20kV electric isolating switch according to claim 1 and earthed switch, it is characterized in that: described electric isolating switch and earthed switch, described 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; Described 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 described 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 |
|---|---|---|---|
| CN2010206494731U CN201877334U (en) | 2010-12-01 | 2010-12-01 | Combined 6 to 20 kV electric isolating switch and grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206494731U CN201877334U (en) | 2010-12-01 | 2010-12-01 | Combined 6 to 20 kV electric isolating switch and grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201877334U true CN201877334U (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206494731U Expired - Fee Related CN201877334U (en) | 2010-12-01 | 2010-12-01 | Combined 6 to 20 kV electric isolating switch and grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201877334U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522818A (en) * | 2011-11-07 | 2012-06-27 | 辽宁省电力有限公司葫芦岛供电公司 | Wireless remote control method of isolation switch of 10KV transmission line |
| CN103632880A (en) * | 2013-12-03 | 2014-03-12 | 国网甘肃省电力公司白银供电公司 | Novel 6-10kV clip piece type isolation switch |
| CN104409267A (en) * | 2014-11-27 | 2015-03-11 | 无锡飞世龙机电有限公司 | Earthing switch with earthing operating mechanism |
| CN104466779A (en) * | 2014-11-27 | 2015-03-25 | 无锡飞世龙机电有限公司 | Bidirectional automatic switching looped device |
| CN113903618A (en) * | 2021-10-20 | 2022-01-07 | 广东电网有限责任公司江门供电局 | 10kV outdoor electric isolation switch |
-
2010
- 2010-12-01 CN CN2010206494731U patent/CN201877334U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522818A (en) * | 2011-11-07 | 2012-06-27 | 辽宁省电力有限公司葫芦岛供电公司 | Wireless remote control method of isolation switch of 10KV transmission line |
| CN103632880A (en) * | 2013-12-03 | 2014-03-12 | 国网甘肃省电力公司白银供电公司 | Novel 6-10kV clip piece type isolation switch |
| CN104409267A (en) * | 2014-11-27 | 2015-03-11 | 无锡飞世龙机电有限公司 | Earthing switch with earthing operating mechanism |
| CN104466779A (en) * | 2014-11-27 | 2015-03-25 | 无锡飞世龙机电有限公司 | Bidirectional automatic switching looped device |
| CN104466779B (en) * | 2014-11-27 | 2017-01-04 | 无锡飞世龙机电有限公司 | A kind of two-way automatic switching looped network equipment |
| CN113903618A (en) * | 2021-10-20 | 2022-01-07 | 广东电网有限责任公司江门供电局 | 10kV outdoor electric isolation switch |
| CN113903618B (en) * | 2021-10-20 | 2024-04-02 | 广东电网有限责任公司江门供电局 | 10kV outdoor electric isolation disconnecting link |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20121201 |