CN103617920B - Valve Room earthed switch - Google Patents
Valve Room earthed switch Download PDFInfo
- Publication number
- CN103617920B CN103617920B CN201310528146.9A CN201310528146A CN103617920B CN 103617920 B CN103617920 B CN 103617920B CN 201310528146 A CN201310528146 A CN 201310528146A CN 103617920 B CN103617920 B CN 103617920B
- Authority
- CN
- China
- Prior art keywords
- ground connection
- valve room
- conducting rod
- pedestal
- connection conducting
- 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.)
- Active
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 208000032369 Primary transmission Diseases 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to DC power transmission equipment field, particularly relate to a kind of valve Room earthed switch.This valve Room earthed switch comprises ground connection conducting rod and upper driving pedestal, one end and the upper driving pedestal of ground connection conducting rod are rotatably assorted, extend about the pivot center of ground connection conducting rod end, this switch also comprises for driving ground connection conducting rod around pivot axis and the driving mechanism of valve Room metope swing relatively, the below of upper driving pedestal is installed with underdrive pedestal, driving mechanism comprises the piston cylinder be supported between underdrive pedestal and ground connection knife bar, piston cylinder comprises cylinder body and piston rod, bottom and the underdrive pedestal of cylinder body are articulated and connected, extend about the pivot center of cylinder base, one end of piston rod is plugged in cylinder body, the other end is articulated with the middle part of ground connection conducting rod.The valve Room of the present invention earthed switch adopts piston cylinder to realize primary transmission, has the advantage that structure is simple, production cost is low, can be used for ± 1100 extra-high voltage direct-current transmission engineerings in.
Description
Technical field
The present invention relates to DC power transmission equipment field, particularly relate to a kind of valve Room earthed switch.
Background technology
At present, the valve Room earthed switch " direct current valve hall earthed switch " disclosed in Chinese patent CN102832074A that the DC switch equipment such as direct-current wall bushing, converter transformer bushings in the HVDC Converter Stations valve Room, home and abroad adopts, its point, making process adopt the mechanical drive mode such as bevel gear and space four-links, in order to overcome ground connection conducting rod assembling point, gravity in making process, the power transmission shaft that normal employing is assembled at base installs balancing weight, be used for balancing the gravitational moment of ground connection conducting rod assembling point, making process, reduce the operating physical force of mechanism.
Along with the raising of DC transmission engineering electric pressure, such as unprecedented " ± 1100 extra-high voltage direct-current transmission engineering ", but also do not have producer to develop ± 1100kV valve Room earthed switch supporting with above-mentioned valve Room DC switch equipment at home, outward at present.According to existing valve Room earthed switch, there will be following problem: due to the lengthening of ground connection conducting rod length, the gravitational moment produced in its point, making process will be multiplied, according to mechanical drive modes such as original bevel gear and space four-linkses, transmission progression will increase, structure also can become complicated, and cost is higher.
Summary of the invention
The object of the present invention is to provide a kind of valve Room earthed switch adopting Fluid-transmission, to solve the baroque problem of existing Multi-stage transmission mechanism.
To achieve these goals, the present invention adopts following technical scheme: valve Room earthed switch, comprise ground connection conducting rod and the upper driving pedestal for being arranged on metope top, the respective valve Room, one end and the upper driving pedestal of ground connection conducting rod are rotatably assorted, extend about the pivot center of described ground connection conducting rod end, this switch also comprises for driving ground connection conducting rod around pivot axis and the driving mechanism of valve Room metope swing relatively, the below of upper driving pedestal is installed with the underdrive pedestal for being arranged on the metope of the respective valve Room, described driving mechanism comprises the piston cylinder be supported between underdrive pedestal and ground connection knife bar, piston cylinder comprises cylinder body and piston rod, bottom and the underdrive pedestal of cylinder body are articulated and connected, extend about the pivot center of cylinder base, one end of piston rod is plugged in cylinder body, the other end is articulated with the middle part of ground connection conducting rod.
Piston cylinder be adopt air-driven and working media is the cylinder of air.
Valve Room earthed switch also comprises for the reciprocating operating-controlling mechanism of control piston bar, and operating-controlling mechanism comprises control element and air pump, is provided with for carrying air pressure with the reciprocating appendix of control piston bar to cylinder body between operating-controlling mechanism and piston cylinder.
Piston cylinder is provided with the electromagnetically operated valve of control piston cylinder exhaust, and operating-controlling mechanism is electrically connected with electromagnetically operated valve.
Beneficial effect of the present invention: driving mechanism of the present invention comprises piston cylinder, in piston cylinder, piston rod repeatedly can move along the Axis Extension direction of cylinder body under the driving of fluid pressure, high and the long service life of the intensity of piston rod, piston rod has supporting role to ground connection knife bar, and thus piston rod can to rotate rotation axis relative valve Room metope swing and realize breaking-closing operating by Direct driver ground connection conducting rod.Compared with prior art, the valve Room of the present invention earthed switch adopt piston cylinder realize primary transmission, this valve Room earthed switch has the advantage that structure is simple, production cost is low, can be used for ± 1100 extra-high voltage direct-current transmission engineerings in.
Further, piston cylinder is cylinder, and because piston cylinder adopts Pneumatic Transmission, its working media is air, and makes the present invention have following characteristics: air obtains than being easier to, and the air after using can be discharged in air and go, and does not pollute the environment; The viscosity of air is very low, so flow resistance is very little, the pressure loss is little, is convenient to concentrate and far distance controlled; The pressure energy of Compressed Gas is converted to mechanical energy by pneumatic apparatus, has the advantage that drive mechanism is simple, cost is low; Air-driven self-sustaining ability is strong, and the reliability high life is long, safe ready; The impacts of environmental factor on gas such as the strong-electromagnetic field in the valve Room, high radiation, strong noise are less.
Further, can realize the control to piston cylinder by operating-controlling mechanism, the structure of this operating-controlling mechanism is simple and easy to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment 1 of the valve Room of the present invention earthed switch;
Fig. 2 is the left view of Fig. 1.
Embodiment
Embodiments of the invention 1, as shown in Figure 1-2: valve Room earthed switch comprises ground connection conducting rod 3 and the upper driving pedestal 2 for being arranged on metope top, the respective valve Room, one end of ground connection conducting rod 3 for installing corresponding moving contact, the other end is installed with the conducting rod rotating shaft be rotatably assorted with upper driving pedestal 2, conducting rod rotating shaft has the pivot center extended in left-right direction, and the middle part of ground connection conducting rod 3 is provided with for driving ground connection conducting rod 3 around the pivot axis of conducting rod rotating shaft and the driving mechanism of valve Room metope swing relatively.Ground connection conducting rod 3 has the axis of ground connection conducting rod 3 sub-gate position parallel with valve Room metope, the axis of ground connection conducting rod 3 and the approximately perpendicular closing position of metope, the valve Room.This driving mechanism comprises the piston cylinder 5 be supported between underdrive pedestal and ground connection knife bar, and piston cylinder 5 comprises cylinder body and the piston rod for repeatedly moving along the Axis Extension direction of cylinder body.The below of upper driving pedestal 2 is installed with the underdrive pedestal 4 for being arranged on the metope of the respective valve Room.The bottom of cylinder body is installed with the cylinder body rotating shaft be rotatably assorted with underdrive pedestal 4, and cylinder body rotating shaft and conducting rod shaft parallel, cylinder body rotating shaft has the pivot center extended in left-right direction.The middle part that one end is plugged in cylinder body, the other end is articulated with ground connection conducting rod 3 by hinge 7 of piston rod.Valve Room earthed switch also comprise for be installed on corresponding DC switch equipment, in closing position time for moving contact insert fixed contact 1, this corresponding DC switch equipment is direct-current wall bushing or converter transformer bushings in the valve Room.In the present embodiment, piston cylinder 5 adopts Pneumatic Transmission, and piston cylinder is cylinder, and its working media is air.Valve Room earthed switch also comprises for the reciprocating operating-controlling mechanism 9 of control piston bar, and operating-controlling mechanism 9 comprises control element and air pump, is provided with for carrying air pressure with the reciprocating appendix 6 of control piston bar to cylinder body between operating-controlling mechanism 9 and piston cylinder 5.Piston cylinder 5 is provided with the electromagnetically operated valve of control piston cylinder exhaust, and operating-controlling mechanism 9 is electrically connected with electromagnetically operated valve, and operating-controlling mechanism realizes the control to piston cylinder 5 by electromagnetically operated valve.Upper driving pedestal 2 and underdrive pedestal 4 are equipped with the grading ring for shielding non-uniform electric field.Valve Room earthed switch also comprise be arranged at valve Room wall basifacial for shield be in sub-gate position time ground connection conducting rod 3 on moving contact near the shading ring 8 of electric field.
The use procedure of above-described embodiment 1: during combined floodgate, the switch knob of operation operating-controlling mechanism 9, the gas with certain pressure enters the bottom of cylinder body along appendix 6, air pressure promotes end steadily movement outside cylinder body of piston rod, the end of piston rod will promote the pivot center relative valve Room metope forward rocking motion of ground connection conducting rod 3 around conducting rod rotating shaft, until the moving contact on ground connection conducting rod 3 is inserted in fixed contact 1, thus valve Room earthed switch is made to complete motion of closing a floodgate; During separating brake, the opening button of operation operating-controlling mechanism 9, the gas with certain pressure enters the end of cylinder body along appendix 6, end steadily movement in cylinder body of piston rod will be promoted, the pivot center relative valve Room metope driving ground connection conducting rod 3 around conducting rod rotating shaft swings by the end of piston rod backward, until ground connection conducting rod 3 is parallel to valve Room metope, thus complete the separating brake motion of valve Room earthed switch.
In above-described embodiment 1, because piston cylinder 5 adopts Pneumatic Transmission, its working media is air, and makes the present invention have following characteristics: air obtains than being easier to, and the air after using can be discharged in air and go, and does not pollute the environment; The viscosity of air is very low, so flow resistance is very little, the pressure loss is little, is convenient to concentrate and far distance controlled; The pressure energy of Compressed Gas is converted to mechanical energy by pneumatic apparatus, has the advantage that drive mechanism is simple, cost is low; Air-driven self-sustaining ability is strong, and reliability is high, and the life-span is long, safe ready; The impacts of environmental factor on gas such as the strong-electromagnetic field in the valve Room, high radiation, strong noise are less.
Except above-described embodiment 1, in other embodiments of the invention, operating-controlling mechanism can also only include control element, do not comprise air pump, operating-controlling mechanism is an independently operating unit, and source of the gas adopts air compressor house central gas supply, realize whole current conversion station and share a source of the gas, be convenient to realize centralized control.
Except above-described embodiment 1, in other embodiments of the invention, piston cylinder can also adopt hydraulic drive, and piston cylinder is hydraulic cylinder, and its working media is oil.
Claims (4)
1. valve Room earthed switch, comprise ground connection conducting rod and the upper driving pedestal for being arranged on metope top, the respective valve Room, one end and the upper driving pedestal of ground connection conducting rod are rotatably assorted, extend about the pivot center of described ground connection conducting rod end, the other end of ground connection conducting rod is for installing moving contact, valve Room earthed switch also comprises for being installed on corresponding DC switch equipment, when closing position for the fixed contact of described moving contact insertion and for driving ground connection conducting rod around pivot axis and the driving mechanism of valve Room metope swing relatively, it is characterized in that: the below of upper driving pedestal is installed with the underdrive pedestal for being arranged on the metope of the respective valve Room, described driving mechanism comprises the piston cylinder be supported between underdrive pedestal and ground connection conducting rod, piston cylinder comprises cylinder body and the piston rod for repeatedly moving along the Axis Extension direction of cylinder body, bottom and the underdrive pedestal of cylinder body are articulated and connected, extend about the pivot center of cylinder base, one end of piston rod is plugged in cylinder body, the other end is articulated with the middle part of ground connection conducting rod.
2. the valve Room according to claim 1 earthed switch, is characterized in that: piston cylinder be adopt air-driven and working media is the cylinder of air.
3. the valve Room according to claim 2 earthed switch, it is characterized in that: also comprise for the reciprocating operating-controlling mechanism of control piston bar, operating-controlling mechanism comprises control element and air pump, is provided with for carrying air pressure with the reciprocating appendix of control piston bar to cylinder body between operating-controlling mechanism and piston cylinder.
4. the valve Room according to claim 3 earthed switch, is characterized in that: piston cylinder is provided with the electromagnetically operated valve of control piston cylinder exhaust, and operating-controlling mechanism is electrically connected with electromagnetically operated valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310528146.9A CN103617920B (en) | 2013-10-31 | 2013-10-31 | Valve Room earthed switch |
| PCT/CN2014/087547 WO2015062383A1 (en) | 2013-10-31 | 2014-09-26 | Grounding switch for valve hall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310528146.9A CN103617920B (en) | 2013-10-31 | 2013-10-31 | Valve Room earthed switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103617920A CN103617920A (en) | 2014-03-05 |
| CN103617920B true CN103617920B (en) | 2016-03-09 |
Family
ID=50168623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310528146.9A Active CN103617920B (en) | 2013-10-31 | 2013-10-31 | Valve Room earthed switch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103617920B (en) |
| WO (1) | WO2015062383A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617920B (en) * | 2013-10-31 | 2016-03-09 | 国家电网公司 | Valve Room earthed switch |
| CN106531526B (en) * | 2016-12-23 | 2018-07-06 | 中国西电电气股份有限公司 | A kind of extra-high voltage direct-current valve Room earthing switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0829893A1 (en) * | 1996-09-12 | 1998-03-18 | ABBPATENT GmbH | Hydraulic drive |
| CN102379019A (en) * | 2009-04-01 | 2012-03-14 | Abb技术有限公司 | Hydromechanical drive for electrical circuit breakers |
| CN202352576U (en) * | 2011-11-08 | 2012-07-25 | 中国西电电气股份有限公司 | Grounding switch of +/-400kV direct current valve hall |
| CN102832074A (en) * | 2012-08-16 | 2012-12-19 | 河南平高电气股份有限公司 | Earthing switch for direct current valve hall |
| CN203536277U (en) * | 2013-10-31 | 2014-04-09 | 国家电网公司 | A valve hall grounding switch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3833484A1 (en) * | 1988-10-01 | 1990-04-05 | Asea Brown Boveri | Drive device for an electrical switching apparatus |
| CN201985014U (en) * | 2010-12-31 | 2011-09-21 | 抚顺海岳电气制造有限公司 | Pneumatic isolating switch |
| CN103617920B (en) * | 2013-10-31 | 2016-03-09 | 国家电网公司 | Valve Room earthed switch |
-
2013
- 2013-10-31 CN CN201310528146.9A patent/CN103617920B/en active Active
-
2014
- 2014-09-26 WO PCT/CN2014/087547 patent/WO2015062383A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0829893A1 (en) * | 1996-09-12 | 1998-03-18 | ABBPATENT GmbH | Hydraulic drive |
| CN102379019A (en) * | 2009-04-01 | 2012-03-14 | Abb技术有限公司 | Hydromechanical drive for electrical circuit breakers |
| CN202352576U (en) * | 2011-11-08 | 2012-07-25 | 中国西电电气股份有限公司 | Grounding switch of +/-400kV direct current valve hall |
| CN102832074A (en) * | 2012-08-16 | 2012-12-19 | 河南平高电气股份有限公司 | Earthing switch for direct current valve hall |
| CN203536277U (en) * | 2013-10-31 | 2014-04-09 | 国家电网公司 | A valve hall grounding switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103617920A (en) | 2014-03-05 |
| WO2015062383A1 (en) | 2015-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204089002U (en) | The electric lifting mechanism of indoor compact-type high-pressure switch cubicle | |
| CN110445298A (en) | A kind of centrifugation protection electromagnetic adsorption type electric current change glass-frame riser motor | |
| CN203536277U (en) | A valve hall grounding switch | |
| CN103617920B (en) | Valve Room earthed switch | |
| CN108583601B (en) | Locomotive electric side window | |
| CN102832073B (en) | A kind of direct current valve hall earthed switch and ground connection conducting rod mechanism thereof | |
| CN108010819A (en) | A kind of circuit breaker operation mechanism and method of work of clutch linkage mechanism | |
| CN208603642U (en) | A kind of electric power fixture has the transformer lifting device of stable installation function | |
| CN202302073U (en) | Electric valve | |
| CN204742123U (en) | Small -size machine that rocks | |
| CN201796834U (en) | Energy pre-storage electric operation mechanism of remote control molded case circuit breaker | |
| CN208917946U (en) | A kind of flushing threshold switch | |
| CN203855327U (en) | Liftable multifunctional tool for lifting vertical rod | |
| CN204057734U (en) | A kind of top cover absorbing and hoisting machine device | |
| CN102832074A (en) | Earthing switch for direct current valve hall | |
| CN205135059U (en) | Electronic type safety hook | |
| CN208936056U (en) | A kind of solar street light of energy-saving and emission-reduction | |
| CN206022180U (en) | Panel main commanding controller | |
| CN109592464A (en) | Automatic charging machine is used in a kind of processing of lithium battery | |
| CN202721067U (en) | Beating grounding switch quick-acting mechanism | |
| CN217273863U (en) | Environment-friendly solar street lamp with self-cleaning function | |
| CN213754278U (en) | Assembly clamping device of motor manufacturing production line | |
| CN206280786U (en) | A kind of comprehensive automatic lifting portable lamp | |
| CN208702334U (en) | A kind of hydraulic engineering hidden hole drilling | |
| CN216463488U (en) | Four-way pipe orifice grinding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |