CN102832073B - A kind of direct current valve hall earthed switch and ground connection conducting rod mechanism thereof - Google Patents
A kind of direct current valve hall earthed switch and ground connection conducting rod mechanism thereof Download PDFInfo
- Publication number
- CN102832073B CN102832073B CN201210291884.1A CN201210291884A CN102832073B CN 102832073 B CN102832073 B CN 102832073B CN 201210291884 A CN201210291884 A CN 201210291884A CN 102832073 B CN102832073 B CN 102832073B
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- conducting rod
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- 230000005540 biological transmission Effects 0.000 claims abstract description 101
- 238000010276 construction Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 description 8
- 230000005684 electric field Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008774 maternal effect Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
- H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- 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
- Mechanically-Actuated Valves (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to a kind of direct current valve hall earthed switch and ground connection conducting rod mechanism thereof, comprise relative respective valve Room metope can swing ground connection conducting rod and for being arranged on the transmission base on the metope of the respective valve Room, one end of described ground connection conducting rod is installed with pivot center and extends in left-right direction and the conducting rod rotating shaft be rotatably assorted with described transmission base, and described ground connection conducting rod mechanism also comprises and to be connected counter weight construction to apply the moment overcoming described ground connection conducting rod self gravitation square with described conducting rod rotating shaft transmission by balance driving mechanism.The invention solves ground connection conducting rod of the prior art can not the problem of steady divide-shut brake.
Description
Technical field
The present invention relates to DC power transmission equipment field, particularly relate to a kind of direct current valve hall earthed switch.
Background technology
Along with China's sustain economic is fast-developing, power consumption keeps rapid growth, in order to the development of satisfied following national economy, will add the construction of great development superhigh pressure and extra-high voltage direct-current transmission.It is far away that direct current transportation has transmission distance, and the advantages such as adjusting function is good, overvoltage level is low, line loss is little, are applicable to the occasions such as remote bulk power transmission, interval Power System Interconnection peak regulation, extra large cable transmission of electricity.
As the key equipment of direct current transportation, in the valve Room of installation converter valve, the safety guarantee of equipment is most important, the important component part of high voltage direct current transmission project during earthed switch in the valve Room, being that in the valve Room, other direct current transportation equipment carries out the safety guarantee of overhauling, is one of key equipment of ultra-high voltage converter station DC fields design arrangement.And the switchgear in the valve Room, due to the area constraints in the valve Room, its floor space must be reduced for switchgear as far as possible, therefore can not use general earthed switch version for the earthed switch in the valve Room.Existing direct current valve hall earthed switch is " one ± 400kv direct current valve hall earthed switch " disclosed in Chinese patent CN 202352576U, comprise and be loaded on bearing on the wall of the valve Room and transmission base, one end of ground connection conducting rod is hinged on bearing, the pivot center of ground connection conducting rod extends in left-right direction and can valve Room wall swing relatively, the other end is provided with moving contact, transmission base is provided with folding-jib transmission crank arm, transmission crank arm is hinged and connected away from one end of transmission base and the middle part of ground connection conducting rod, earthed switch also comprises the vertical links be fixedly connected with the one end of the transmission crank arm being installed on transmission base, vertical links connects an operating mechanism driving vertical links to rotate, transmission crank arm is vertical with vertical links to be arranged.During work, during combined floodgate, operating mechanism is rotated in a clockwise direction, by vertical links and transmission base, transmission crank arm is rotated in a clockwise direction, simultaneously to straight stretching, extension, promote ground connection conducting rod to rotate, finally allow the moving contact on ground connection conducting rod insert in the fixed contact on relevant device, realize closing a floodgate; Separating brake process in contrast.Existing this earthed switch Problems existing is: when 1, operating mechanism is to the actuating of ground connection conducting rod, need the gravitational moment overcoming ground connection conducting rod itself, namely the operating physical force needed for ground connection conducting rod is larger, this just make ground connection conducting rod point, making process is steady not, easily occurs the situation that ground connection conducting rod ruptures; 2, because vertical links is vertical with transmission crank arm, this just makes operating mechanism, transmission base comparatively large in the rotation axis span upwards of transmission crank arm, and the layout of operating mechanism, transmission base and bearing occupies the larger space of corresponding wall.
Summary of the invention
The object of the invention is to a kind of ground connection conducting rod mechanism, can not the problem of steady divide-shut brake to solve ground connection conducting rod of the prior art; The present invention also aims to provide a kind of direct current valve hall earthed switch using above-mentioned ground connection conducting rod mechanism.
In order to solve the problem, in the present invention, the technical scheme of ground connection conducting rod mechanism is:
Ground connection conducting rod mechanism, comprise relative respective valve Room metope can swing ground connection conducting rod and for being arranged on the transmission base on the metope of the respective valve Room, one end of described ground connection conducting rod is installed with pivot center and extends in left-right direction and the conducting rod rotating shaft be rotatably assorted with described transmission base, and described ground connection conducting rod mechanism also comprises and to be connected counter weight construction to apply the moment overcoming described ground connection conducting rod self gravitation square with described conducting rod rotating shaft transmission by balance driving mechanism.
Described balance driving mechanism comprises the driving gear coaxially set firmly with described conducting rod rotating shaft, described balance driving mechanism also comprise to be arranged in described transmission base by axis of rotation and with the balance gear of described driving gear engaged transmission, described counter weight construction is arranged in the rotating shaft of described balance gear.
The counter-jib that the rotor shaft direction that the rotating shaft that described counter weight construction comprises head end and described balance gear is fixedly installed, end deviates from described balance gear along the radial direction of described balance gear extends, described counter weight construction also comprises the balancing weight being arranged at described counter-jib end.
Described driving gear is a bevel gear, and described balance gear is the bevel gear that the pivot center of a pivot center and described driving gear intersects vertically, and the pivot center of described balance gear extends along the longitudinal direction.
In the present invention, a kind of technical scheme of direct current valve hall earthed switch is:
A kind of direct current valve hall earthed switch, comprise ground connection conducting rod mechanism and drive unit, ground connection conducting rod mechanism comprise relative respective valve Room metope can swing ground connection conducting rod and for being arranged on the transmission base on the metope of the respective valve Room, one end of described ground connection conducting rod is installed with pivot center and extends in left-right direction and the conducting rod rotating shaft be rotatably assorted with described transmission base, described drive unit and described ground connection conducting rod are in transmission connection and drive the swing of described ground connection conducting rod, described ground connection conducting rod mechanism also comprises and to be connected counter weight construction to apply the moment overcoming described ground connection conducting rod self gravitation square with described conducting rod rotating shaft transmission by balance driving mechanism.
Described drive unit comprises operating mechanism and conducting rod transmission mechanism, described conducting rod transmission mechanism comprises the gear box on the respective valve Room metope for being arranged at below described transmission base, the input of gear box and the output of described operating mechanism are in transmission connection, the output of gear box is provided with the second driving shaft that pivot center extends in left-right direction, described second driving shaft is installed with the first connecting rod that bearing of trend is radial consistent with described second driving shaft, described conducting rod transmission mechanism also comprises the third connecting rod be connected near one end of described transmission base with described ground connection conducting rod, the crank arm structure that it is rotating shaft that described third connecting rod and described ground connection conducting rod form with described conducting rod rotating shaft, described conducting rod transmission mechanism also comprises the second connecting rod be connected between described first connecting rod and third connecting rod, the two ends of described second connecting rod are hinged and connected with described first connecting rod and third connecting rod respectively.
The input of described gear box is provided with the first power transmission shaft that pivot center extends along the vertical direction, described first power transmission shaft and described second driving shaft are in transmission connection by bevel gear transmission, described operating mechanism comprises the moment of torsion output on the respective valve Room metope for being arranged on below described gear box, and described moment of torsion output has torque output shaft that is coaxial with described first power transmission shaft and that be directly or indirectly in transmission connection with described first power transmission shaft.
The torque output shaft of described moment of torsion output is coaxially installed with vertical links, and described vertical links is fixedly installed away from one end of described torque output shaft and the first power transmission shaft of described gear box.
Described balance driving mechanism comprises the driving gear coaxially set firmly with described conducting rod rotating shaft, described balance driving mechanism also comprise to be arranged in described transmission base by axis of rotation and with the balance gear of described driving gear engaged transmission, described counter weight construction is arranged in the rotating shaft of described balance gear.
Described driving gear is a bevel gear, and described balance gear is the bevel gear that the pivot center of a pivot center and described driving gear intersects vertically, and the pivot center of described balance gear extends along the longitudinal direction.
Beneficial effect of the present invention is: the gravitational moment of ground connection conducting rod itself is balanced the weight torque balance of structure, drive ground connection conducting rod to swing at drive unit and to complete point, in the process of combined floodgate, do not need the gravitational moment overcoming ground connection conducting rod itself, operating physical force needed for such ground connection conducting rod divide-shut brake is just reduced, thus make ground connection conducting rod point, making process steadily, reliable, also just ensure that the useful life of ground connection conducting rod.
Further, driving gear and balance gear all adopt bevel gear structure, make the pivot center of balance gear perpendicular to respective valve Room metope, the counter-jib of such balanced structure can be parallel with valve Room metope with the movement locus of balance weight, and be close to the metope in the valve Room, its swing process can not have influence on the swing process of ground connection conducting rod completely, and decreases transmission base span in the longitudinal direction, saves the space in valve room; Simultaneously because counter-jib is parallel with valve Room metope with the movement locus of balance weight, therefore the swing of balanced structure can not make the air clearance in the valve Room increase, less to the electric field influence of the equipment in the valve Room.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of direct current valve hall earthed switch embodiment in the present invention, is also the using state figure of ground connection conducting rod mechanism embodiment in the present invention simultaneously;
Fig. 2 is the end view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the A place enlarged drawing in Fig. 1;
Fig. 5 is the B place enlarged drawing in Fig. 2.
Embodiment
A kind of embodiment of direct current valve hall earthed switch is as shown in Fig. 1 ~ 5: comprise ground connection conducting rod mechanism and drive unit, ground connection conducting rod mechanism comprises ground connection conducting rod 6 and for being arranged on the transmission base 2 on respective valve Room metope 20, one end of ground connection conducting rod 6 is for installing corresponding moving contact 13, the other end is installed with the conducting rod rotating shaft be rotatably assorted with transmission base 2, the pivot center of conducting rod rotating shaft extends in left-right direction, make ground connection conducting rod 6 can valve Room metope swing relatively by conducting rod rotating shaft, ground connection conducting rod mechanism also comprises and to be connected counter weight construction to apply the moment overcoming described ground connection conducting rod 6 self gravitation square with described conducting rod rotating shaft transmission by balance driving mechanism.Balance driving mechanism comprises the driving gear 15 be coaxially fixedly arranged in conducting rod rotating shaft, driving gear 15 is a bevel gear, balance driving mechanism also comprises and rotates the balance gear 16 that is arranged in transmission base 2, balance gear 16 be one with driving gear 15 engaged transmission and the bevel gear that extends along the longitudinal direction of pivot center.The rotating shaft of balance gear 16 is provided with the balanced structure with balancing weight 1, the counter-jib 12 that the rotor shaft direction that the rotating shaft that balanced structure comprises head end and balance gear 16 is fixedly installed, end deviates from balance gear 16 along the radial direction of balance gear 16 extends, balancing weight 1 is arranged at the end of counter-jib 12.
Drive unit comprises operating mechanism and the conducting rod transmission mechanism to ground connection conducting rod 6 transmission, conducting rod transmission mechanism comprises the gear box 4 on the respective valve Room metope 20 for being arranged at below transmission base 2, the input of gear box 4 is provided with the first power transmission shaft for being in transmission connection with operating mechanism, the output of gear box 4 is provided with the second driving shaft 10 that pivot center extends in left-right direction, the pivot center of the first power transmission shaft is arranged along the vertical direction, and by bevel gear transmission transmission between first and second power transmission shaft.Operating mechanism comprises the moment of torsion output 7 on the valve Room metope 20 for being arranged on below gear box 4, moment of torsion output 7 have with the torque output shaft that coaxially arranges of the first power transmission shaft, be in transmission connection by vertical links 5 between torque output shaft and the first power transmission shaft.Second driving shaft 10 is installed with the first connecting rod 11 that bearing of trend is radial consistent with second driving shaft 10, conducting rod transmission mechanism also comprises the third connecting rod 14 be connected near one end of transmission base 2 with ground connection conducting rod 6, the crank arm structure that it is rotating shaft that third connecting rod 14 and ground connection conducting rod 6 form with conducting rod rotating shaft, first connecting rod 11 and third connecting rod 14 are in transmission connection by second connecting rod 3, and the two ends of second connecting rod 3 are hinged and connected with first connecting rod 11 and third connecting rod 14 respectively.In figure, part 8 represents grading ring, and grading ring is arranged on each ledge of earthed switch, and its effect is to reduce radio interference to meet the electric field requirement of equipment in the valve Room; At the open position of earthed switch, shading ring is installed, makes the quiet distance of the air in the valve Room can reach minimum.In figure, part 9 represents the fixed contact be arranged on relevant device, and fixed contact 9 is ring contact, and guide housing is installed in outside, even if make ground connection conducting rod 6 occur little deviation, moving contact 13 still can close a floodgate normally.Fixed contact 9 can be arranged on various needs the such as the converter transformer sleeve in the valve Room, neutral maternal instinct, smoothing reactor sleeve pipe convenient by specific mounting structure, flexibly to carry out on the equipment of ground connection.In this direct current valve hall with in earthed switch embodiment, earthed switch is arranged on the polar curve side in the valve Room, for the ground connection of polar curve side high-voltage electrical equipment.Certainly in this direct current valve hall other embodiment with earthed switch, earthed switch can need according to difference that installation hinders court's change of current to become Y winding valve side, the change of current of the valve Room becomes D winding valve side or neutral maternal instinct side, with to needing the equipment of ground connection to carry out ground connection.Dotted line ground connection conducting rod in Fig. 2 represents and is in "on" position.
During combined floodgate, moment of torsion output 7 output torque, second driving shaft is driven by the first power transmission shaft and rotates, first connecting rod 11 swings with the rotation of second driving shaft, the crank arm structure that second connecting rod 3 drives third connecting rod 14 and ground connection conducting rod 6 to form around conducting rod axis of rotation, thus makes ground connection conducting rod 6 complete making process; During separating brake, only need moment of torsion output 7 to opposite direction output torque.First connecting rod 11, second connecting rod 3, third connecting rod 14 and ground connection conducting rod 6 constitute space four bar linkage mechanism, by the effect of gear box 4 and space four-links, vertical links 5 can be arranged in parallel with the ground connection conducting rod 6 under gate-dividing state, this just makes transmission base 2, gear box 4 and moment of torsion output 7 can arrange along direction (above-below direction) conllinear, substantially reduces the space that these three parts take on valve Room metope 20; Simultaneously operating mechanism is when operating ground connection conducting rod 6, and the gravitational moment of ground connection conducting rod 6 is by the weight torque balance of balancing weight 1 self, and ground connection conducting rod 6 rotates required operating physical force and is reduced, make earthed switch point, making process steadily, reliable; Driving gear 15 and balance gear 16 are bevel gear, this just makes the track of balancing weight 1 can be parallel to valve Room metope 20, reduce the space that earthed switch takies the valve Room on the one hand, balancing weight 1 is when moving on the other hand, also the air in the valve Room can not be made quiet apart from increasing, less to the electric field influence of the equipment in the valve Room.
In this direct current valve hall other embodiment with earthed switch, driving gear and balance gear can also be all spur gears; Gear box in drive unit, first, second and third connecting rod also all can not be established, the folding-jib transmission crank arm that now can arrange on the torque output shaft of moment of torsion output, collapsible transmission crank arm is hinged and connected away from one end of moment of torsion output and the middle part of ground connection conducting rod; The balancing weight of certain balanced structure also can directly be arranged in the rotating shaft of balance gear; Balance driving mechanism can also be tape handler or chain-drive mechanism.
The embodiment of ground connection conducting rod mechanism is as shown in Fig. 1 ~ 5: the ground connection conducting rod mechanism of concrete structure as described in above-mentioned direct current valve hall earthed switch embodiment of ground connection conducting rod mechanism, is not described in detail in this.
Claims (8)
1. ground connection conducting rod mechanism, comprise relative respective valve Room metope can swing ground connection conducting rod and for being arranged on the transmission base on the metope of the respective valve Room, it is characterized in that: one end of described ground connection conducting rod is installed with pivot center and extends in left-right direction and the conducting rod rotating shaft be rotatably assorted with described transmission base, described ground connection conducting rod mechanism also comprises and to be connected counter weight construction to apply the moment overcoming described ground connection conducting rod self gravitation square with described conducting rod rotating shaft transmission by balance driving mechanism, operating physical force needed for ground connection conducting rod divide-shut brake is reduced, described balance driving mechanism comprises the driving gear coaxially set firmly with described conducting rod rotating shaft, described balance driving mechanism also comprise to be arranged in described transmission base by axis of rotation and with the balance gear of described driving gear engaged transmission, described counter weight construction is arranged in the rotating shaft of described balance gear.
2. ground connection conducting rod mechanism according to claim 1, it is characterized in that: the counter-jib that the rotor shaft direction that the rotating shaft that described counter weight construction comprises head end and described balance gear is fixedly installed, end deviates from described balance gear along the radial direction of described balance gear extends, described counter weight construction also comprises the balancing weight being arranged at described counter-jib end.
3. ground connection conducting rod mechanism according to claim 1 and 2, it is characterized in that: described driving gear is a bevel gear, described balance gear is the bevel gear that the pivot center of a pivot center and described driving gear intersects vertically, and the pivot center of described balance gear extends along the longitudinal direction.
4. a direct current valve hall earthed switch, comprise ground connection conducting rod mechanism and drive unit, ground connection conducting rod mechanism comprise relative respective valve Room metope can swing ground connection conducting rod and for being arranged on the transmission base on the metope of the respective valve Room, it is characterized in that: one end of described ground connection conducting rod is installed with pivot center and extends in left-right direction and the conducting rod rotating shaft be rotatably assorted with described transmission base, described drive unit and described ground connection conducting rod are in transmission connection and drive the swing of described ground connection conducting rod, described ground connection conducting rod mechanism also comprises and to be connected counter weight construction to apply the moment overcoming described ground connection conducting rod self gravitation square with described conducting rod rotating shaft transmission by balance driving mechanism, operating physical force needed for ground connection conducting rod divide-shut brake is reduced, described balance driving mechanism comprises the driving gear coaxially set firmly with described conducting rod rotating shaft, described balance driving mechanism also comprise to be arranged in described transmission base by axis of rotation and with the balance gear of described driving gear engaged transmission, described counter weight construction is arranged in the rotating shaft of described balance gear.
5. direct current valve hall earthed switch according to claim 4, it is characterized in that: described drive unit comprises operating mechanism and conducting rod transmission mechanism, described conducting rod transmission mechanism comprises the gear box on the respective valve Room metope for being arranged at below described transmission base, the input of gear box and the output of described operating mechanism are in transmission connection, the output of gear box is provided with the second driving shaft that pivot center extends in left-right direction, described second driving shaft is installed with the first connecting rod that bearing of trend is radial consistent with described second driving shaft, described conducting rod transmission mechanism also comprises the third connecting rod be connected near one end of described transmission base with described ground connection conducting rod, the crank arm structure that it is rotating shaft that described third connecting rod and described ground connection conducting rod form with described conducting rod rotating shaft, described conducting rod transmission mechanism also comprises the second connecting rod be connected between described first connecting rod and third connecting rod, the two ends of described second connecting rod are hinged and connected with described first connecting rod and third connecting rod respectively.
6. direct current valve hall earthed switch according to claim 5, it is characterized in that: the input of described gear box is provided with the first power transmission shaft that pivot center extends along the vertical direction, described first power transmission shaft and described second driving shaft are in transmission connection by bevel gear transmission, described operating mechanism comprises the moment of torsion output on the respective valve Room metope for being arranged on below described gear box, and described moment of torsion output has torque output shaft that is coaxial with described first power transmission shaft and that be directly or indirectly in transmission connection with described first power transmission shaft.
7. direct current valve hall earthed switch according to claim 6, it is characterized in that: the torque output shaft of described moment of torsion output is coaxially installed with vertical links, described vertical links is fixedly installed away from one end of described torque output shaft and the first power transmission shaft of described gear box.
8. direct current valve hall earthed switch according to claim 4, it is characterized in that: described driving gear is a bevel gear, described balance gear is the bevel gear that the pivot center of a pivot center and described driving gear intersects vertically, and the pivot center of described balance gear extends along the longitudinal direction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210291884.1A CN102832073B (en) | 2012-08-16 | 2012-08-16 | A kind of direct current valve hall earthed switch and ground connection conducting rod mechanism thereof |
| PCT/CN2013/000957 WO2014026469A1 (en) | 2012-08-16 | 2013-08-15 | Grounding switch for direct-current valve hall and grounding conductive rod mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210291884.1A CN102832073B (en) | 2012-08-16 | 2012-08-16 | A kind of direct current valve hall earthed switch and ground connection conducting rod mechanism thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102832073A CN102832073A (en) | 2012-12-19 |
| CN102832073B true CN102832073B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210291884.1A Active CN102832073B (en) | 2012-08-16 | 2012-08-16 | A kind of direct current valve hall earthed switch and ground connection conducting rod mechanism thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102832073B (en) |
| WO (1) | WO2014026469A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832073B (en) * | 2012-08-16 | 2015-08-19 | 河南平高电气股份有限公司 | A kind of direct current valve hall earthed switch and ground connection conducting rod mechanism thereof |
| CN103617919B (en) * | 2013-12-06 | 2016-05-25 | 山东泰开隔离开关有限公司 | A kind of high-end straight-wavy valve Room earthed switch |
| CN105047466B (en) * | 2015-06-30 | 2018-03-27 | 河南平高电气股份有限公司 | It is grounded knife bar balanced controls, ground connection knife bar mechanism and earthed switch |
| WO2018188750A1 (en) * | 2017-04-13 | 2018-10-18 | Abb Schweiz Ag | Arrangement for a power system |
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|---|---|---|---|---|
| EP1093140A2 (en) * | 1999-10-14 | 2001-04-18 | Hitachi, Ltd. | Gas-insulated circuit breaker and gas-insulated switch-gear having the same |
| 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 |
| CN202721072U (en) * | 2012-08-16 | 2013-02-06 | 河南平高电气股份有限公司 | Grounding switch used for direct current valve hall and grounding conduction rod mechanism thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101383241B (en) * | 2007-09-05 | 2011-01-26 | 北京双杰电气股份有限公司 | Solid insulation electricity isolation device |
| CN201812725U (en) * | 2010-09-18 | 2011-04-27 | 河南平高电气股份有限公司 | Extra-high voltage alternating current grounding switch |
| CN102832074B (en) * | 2012-08-16 | 2014-07-30 | 河南平高电气股份有限公司 | Earthing switch for direct current valve hall |
| CN202721073U (en) * | 2012-08-16 | 2013-02-06 | 河南平高电气股份有限公司 | Grounding switch used for direct current valve hall |
| CN102832073B (en) * | 2012-08-16 | 2015-08-19 | 河南平高电气股份有限公司 | A kind of direct current valve hall earthed switch and ground connection conducting rod mechanism thereof |
-
2012
- 2012-08-16 CN CN201210291884.1A patent/CN102832073B/en active Active
-
2013
- 2013-08-15 WO PCT/CN2013/000957 patent/WO2014026469A1/en active Application Filing
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|---|---|---|---|---|
| EP1093140A2 (en) * | 1999-10-14 | 2001-04-18 | Hitachi, Ltd. | Gas-insulated circuit breaker and gas-insulated switch-gear having the same |
| 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 |
| CN202721072U (en) * | 2012-08-16 | 2013-02-06 | 河南平高电气股份有限公司 | Grounding switch used for direct current valve hall and grounding conduction rod mechanism thereof |
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| 新型阀厅接地开关设计;许罗生等;《黑龙江科技信息》;20111031(第29期);第58页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014026469A1 (en) | 2014-02-20 |
| CN102832073A (en) | 2012-12-19 |
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