CN102394197A - Combined-type high-voltage conversion switch - Google Patents
Combined-type high-voltage conversion switch Download PDFInfo
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- CN102394197A CN102394197A CN2011101570827A CN201110157082A CN102394197A CN 102394197 A CN102394197 A CN 102394197A CN 2011101570827 A CN2011101570827 A CN 2011101570827A CN 201110157082 A CN201110157082 A CN 201110157082A CN 102394197 A CN102394197 A CN 102394197A
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- 238000006243 chemical reaction Methods 0.000 title abstract description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 85
- 230000008033 biological extinction Effects 0.000 claims abstract description 15
- 230000008859 change Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 abstract 1
- 230000009977 dual effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a combined-type high-voltage conversion switch which comprises a double-power-supply switching device and a vacuum circuit breaker, wherein the double-power-supply switching device comprises a main power supply post, an auxiliary power supply post, a wire outlet column; and the vacuum circuit breaker comprises a wire inlet terminal, a wire outlet terminal, a vacuum extinction mechanism and an operation mechanism. The double-power-supply switching device also comprises a main vacuum extinction mechanism electrically connected with the main power supply post and an auxiliary vacuum extinction mechanism electrically connected with the auxiliary power supply post; the switching operation mechanism comprises a driving mechanism with a driving arm, a lever and an interlocking mechanism which is used for synchronously driving the switch-on and switch-off motions of the main vacuum extinction mechanism and the auxiliary vacuum extinction mechanism; the driving arm in the driving mechanism is connected with one end of the lever in a rotation mode, and the other end of the lever is connected with the interlocking mechanism; and the wire inlet terminal of the vacuum circuit breaker is electrically connected with the wire outlet terminal in the double power supply switching device. According to the invention, the time required for double-power-supply switching is shorter, and the double-power-supply switching is approximate to non-time-difference switching.
Description
Technical field
The invention belongs to high-voltage dual power construction of switch design field, be specifically related to a kind of combined high-voltage change over switch.
Background technology
At present, in order to improve the reliability of power supply, a large amount of dual power supply circuits (two supply line generally is a circuit on power system, and from reserve line) that adopt in the electric power system are when a line power breaks down, by another line powering.Need by control device, indoor will the employing is no less than two high-tension switch cabinets for this reason, and the open air is no less than high-voltage switch gear on two important actors, could realize selecting the requirement of supply line.This control mode has not only increased user's equipment and operating cost, but also the accident of power supply hidden danger that lies dormant.High-voltage switch gear on two and the above high-tension switch cabinet/post is difficult to realize the mechanical chain between the high-voltage switch gear on high-tension switch cabinet/post.It is generally acknowledged that the electrical interlocks that control device is only arranged is insecure,, will lead to major accident in case duplicate supply feed simultaneously all might appear in control device fault or operations staff's misoperation.
One Chinese patent application 200610154471.3 discloses a kind of outdoor high voltage double power source vacuum breaker; This kind vacuum circuit-breaker installs the high-voltage dual power conversion equipment that a chain double-throw disconnecting switch is formed additional on vacuum circuit-breaker; Though this kind mode has realized having electrical interlocks and mechanical chain when high-voltage dual power automaticallyes switch, reduced the two-way high pressure possibility of feed simultaneously, be present more satisfactory high-voltage dual power switching device shifter; But also there is drawback; The isolating switch of its double-throw is directly exposed in the external environment, along with number of times that uses and the increase of time, and the continuous oxidation of contact surface meeting; Cause contact resistance to increase conductive capability and reduce, contact heating easily such as burns out at shortcoming.In addition; The concrete handover operation process of this kind double power source vacuum breaker is: break off the sound conductive contact in the vacuum interrupter earlier, and then utilize double-throw disconnecting switch to carry out the duplicate supply switching, so switching time is longer; Generally need more than 10 seconds; So long interruption duration, will cause electrical equipment to restart could move, and seriously reduces operating efficiency.
Summary of the invention
The purpose of this invention is to provide a kind of a kind of double-power supply switching device that required time is short, be bordering on no time difference switching that switches.
The technical scheme that realizes the object of the invention is: a kind of combined high-voltage change over switch comprises double-power supply switching device and vacuum circuit-breaker; Said double-power supply switching device comprises main power source binding post, auxiliary power binding post, outlet column and handover operation mechanism; Said vacuum circuit-breaker comprises input terminal, outlet terminal, vacuum interruption mechanism and operating mechanism; Said double-power supply switching device also comprises main vacuum interruption mechanism that is electrically connected with the main power source binding post and the secondary vacuum vacuum interruption mechanism that is electrically connected with the auxiliary power binding post; Said handover operation mechanism comprises that driving mechanism, lever and with actuating arm are used for driving synchronously the interlocking gear that main vacuum interruption mechanism and secondary vacuum vacuum interruption mechanism carry out the divide-shut brake action; One end of actuating arm in the said driving mechanism and lever is rotationally connected, and the other end of said lever links to each other with interlocking gear; The input terminal of said vacuum circuit-breaker is electrically connected with outlet column in the double-power supply switching device.
In the such scheme, said interlocking gear comprises main shaft, be arranged on main transmission connecting lever, auxiliary spindle on the main shaft, be arranged on auxiliary driving connecting lever on the auxiliary spindle, the drive link that connecting lever links to each other is rotated with said main transmission connecting lever and secondary respectively in two ends; Said main transmission connecting lever links to each other with moving contact in the main vacuum interruption mechanism, and said auxiliary driving connecting lever links to each other with moving contact in the secondary vacuum vacuum interruption mechanism; The other end of said lever and the middle part of drive link are rotationally connected.
In the such scheme, said main vacuum interruption mechanism and secondary vacuum vacuum interruption mechanism are separately positioned on the two side ends of housing, and are height such as level and are symmetrical set; Said drive link is horizontally disposed with; Said lever is arranged in the middle of main shaft and the auxiliary spindle.
In the such scheme, the outlet column in the said double-power supply switching device is arranged on its shell bottom wall; Input terminal in the said vacuum circuit-breaker is arranged on its top; Said vacuum circuit-breaker is arranged on said outlet column below, and its input terminal links to each other with outlet column in the double-power supply switching device.
In the such scheme,, the input terminal of vacuum circuit-breaker is arranged with insulating protective layer linking to each other the position with outlet column in the double-power supply switching device outside.
In the such scheme, said vacuum circuit-breaker is provided with three vacuum arc extinction terminal posts that vertically are provided with, and includes a vacuum interruption mechanism that vertically is provided with in each vacuum arc extinction terminal post; Said operating mechanism is arranged on the vacuum interruption mechanism bottom.
In the such scheme, in each vacuum arc extinction terminal post both sides, be arranged with two with this pole in moving contact is electrically connected in the vacuum interruption mechanism outlet terminal.
In the such scheme, also comprise an armouring housing and be arranged on two lead-out terminals on the armouring housing; Said each lead-out terminal separately with vacuum circuit-breaker on a corresponding outlet terminal be electrically connected; Main power source binding post and auxiliary power binding post in the said duplicate supply switching mechanism stretch out the armouring housing.
The present invention has following good effect: among (1) the present invention, said double-power supply switching device also comprises main vacuum interruption mechanism that is electrically connected with the main power source binding post and the secondary vacuum vacuum interruption mechanism that is electrically connected with the auxiliary power binding post; Said handover operation mechanism comprises that driving mechanism, lever and with actuating arm are used for driving synchronously the interlocking gear that main vacuum interruption mechanism and secondary vacuum vacuum interruption mechanism carry out the divide-shut brake action; One end of actuating arm in the said driving mechanism and lever is rotationally connected, and the other end of said lever links to each other with interlocking gear; The input terminal of said vacuum circuit-breaker is electrically connected with outlet column in the double-power supply switching device.This kind structure can be in the main power source break-make; Utilize interlocking gear that auxiliary power is carried out break-make, its interruption duration is substantially equal to the operate time of tripping mechanism, tens of approximately milliseconds; Compare with tens of seconds interruption duration traditionally; Can guarantee that most of electrical equipment need not restart could work, and what effectively guaranteed to produce carries out continuously, has huge economic benefit.
(2) among the present invention, said interlocking gear comprises main shaft, be arranged on main transmission connecting lever, auxiliary spindle on the main shaft, be arranged on auxiliary driving connecting lever on the auxiliary spindle, the drive link that connecting lever links to each other is rotated with said main transmission connecting lever and secondary respectively in two ends; Said main transmission connecting lever links to each other with moving contact in the main vacuum interruption mechanism, and said auxiliary driving connecting lever links to each other with moving contact in the secondary vacuum vacuum interruption mechanism; The other end of said lever and the middle part of drive link are rotationally connected.This structure is comparatively simplified compactness, fully dwindles the installing space that integral body takies, and reduces manufacturing cost; This in addition structure is the effective reliability and stability of safety action also.
Description of drawings
For content of the present invention is more clearly understood,, the present invention is done further detailed explanation, wherein below according to the invention effect and combine accompanying drawing
Fig. 1 is a kind of structural representation of the present invention.
Be labeled as shown in the accompanying drawing: double-power supply switching device 1, main power source binding post 11, auxiliary power binding post 12, outlet column 13, main vacuum interruption mechanism 15, secondary vacuum vacuum interruption mechanism 16; Vacuum circuit-breaker 2, input terminal 21, outlet terminal 22, handover operation mechanism 3, driving mechanism 31, lever 32; Interlocking gear 33, main shaft 331, main transmission connecting lever 332, auxiliary spindle 333, auxiliary driving connecting lever 334; Drive link 335, insulating protective layer 4, vacuum arc extinction terminal post 5, armouring housing 7, lead-out terminal 71.
Embodiment
Fig. 1 is a kind of structural representation of the present invention, has shown a kind of embodiment of the present invention.
Present embodiment is a kind of combined high-voltage change over switch, sees Fig. 1, comprises armouring housing 7 and is arranged on the double-power supply switching device 1 and vacuum circuit-breaker 2 in the armouring housing 7; Said double-power supply switching device 1 comprises main power source binding post 11, auxiliary power binding post 12, outlet column 13 and handover operation mechanism 3; Said vacuum circuit-breaker 2 comprises input terminal 21, outlet terminal 22, vacuum interruption mechanism and operating mechanism.
Said double-power supply switching device 1 also comprises main vacuum interruption mechanism 15 that is electrically connected with main power source binding post 11 and the secondary vacuum vacuum interruption mechanism 16 that is electrically connected with auxiliary power binding post 12; Said handover operation mechanism 3 comprises that driving mechanism 31, lever 32 and with actuating arm 311 are used for driving synchronously the interlocking gear 33 that main vacuum interruption mechanism 15 and secondary vacuum vacuum interruption mechanism 16 carry out the divide-shut brake action; Actuating arm in the said driving mechanism 31 and an end of lever 32 are rotationally connected, and the other end of said lever 32 links to each other with interlocking gear 33; The input terminal 21 of said vacuum circuit-breaker 2 is electrically connected with outlet column 13 in the double-power supply switching device 1.
Said interlocking gear 33 comprises main shaft 331, be arranged on main transmission connecting lever 332, auxiliary spindle 333 on the main shaft 331, be arranged on auxiliary driving connecting lever 334 on the auxiliary spindle 333, the drive link 335 that connecting lever links to each other is rotated with said main transmission connecting lever 332 and secondary respectively in two ends; Said main transmission connecting lever 332 links to each other with moving contact in the main vacuum interruption mechanism 15, and said auxiliary driving connecting lever 334 links to each other with moving contact in the secondary vacuum vacuum interruption mechanism 16; The middle part of the other end of said lever 32 and drive link 335 is rotationally connected.
Said main vacuum interruption mechanism 15 is separately positioned on the two side ends of housing with secondary vacuum vacuum interruption mechanism 16, and is height such as level and is symmetrical set; Said drive link 335 is horizontally disposed with; It is middle with auxiliary spindle 333 that said lever 32 is arranged on main shaft 331.
In the present embodiment, adopt two vacuum interrupters to be also referred to as vacuum switch tube as main vacuum interruption mechanism 15 and secondary vacuum vacuum interruption mechanism 16.
Outlet column 13 in the said double-power supply switching device 1 is arranged on its shell bottom wall; Input terminal 21 in the said vacuum circuit-breaker 2 is arranged on its top; Said vacuum circuit-breaker 2 is arranged on said outlet column 13 belows, and its input terminal 21 links to each other with outlet column 13 in the double-power supply switching device 1.
, the input terminal 21 of vacuum circuit-breaker 2 is arranged with insulating protective layer 4 linking to each other the position with outlet column 13 in the double-power supply switching device 1 outside.
Said vacuum circuit-breaker 2 is provided with three vacuum arc extinction terminal posts 5 that vertically are provided with, and includes a vacuum interruption mechanism that vertically is provided with in each vacuum arc extinction terminal post 5; Said operating mechanism is arranged on the vacuum interruption mechanism bottom.
In each vacuum arc extinction terminal post 5 both sides, be arranged with two with this pole in moving contact is electrically connected in the vacuum interruption mechanism outlet terminal 22.
Said armouring housing 7 is provided with two lead-out terminals 71; Said each lead-out terminal 71 separately with vacuum circuit-breaker 2 on a corresponding outlet terminal 22 be electrically connected; Main power source binding post 11 in the said duplicate supply switching mechanism stretches out armouring housing 7 with auxiliary power binding post 12.
The present invention has following good effect: (1) the present invention can be in the main power source break-make; Utilize interlocking gear that auxiliary power is carried out break-make, its interruption duration is substantially equal to the operate time of tripping mechanism, tens of approximately milliseconds; Compare with tens of seconds interruption duration traditionally; Can guarantee that most of electrical equipment need not restart could work, and what effectively guaranteed to produce carries out continuously, has huge economic benefit.(2) structure of the present invention is comparatively simplified compactness, fully dwindles the installing space that integral body takies, and reduces manufacturing cost; This in addition structure is the effective reliability and stability of safety action also.
Obviously; The foregoing description only be for clearly the present invention is described and is done for example; And be not to be the qualification to execution mode of the present invention; For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change, and these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (8)
1. a combined high-voltage change over switch comprises double-power supply switching device (1) and vacuum circuit-breaker (2); Said double-power supply switching device (1) comprises main power source binding post (11), auxiliary power binding post (12), outlet column (13) and handover operation mechanism (3); Said vacuum circuit-breaker (2) comprises input terminal (21), outlet terminal (22), vacuum interruption mechanism and operating mechanism;
It is characterized in that: said double-power supply switching device (1) also comprises main vacuum interruption mechanism (15) that is electrically connected with main power source binding post (11) and the secondary vacuum vacuum interruption mechanism (16) that is electrically connected with auxiliary power binding post (12); Said handover operation mechanism (3) comprises that have actuating arm driving mechanism (31), the lever (32) and of (311) is used for driving synchronously the interlocking gear (33) that main vacuum interruption mechanism (15) and secondary vacuum vacuum interruption mechanism (16) carry out the divide-shut brake action; One end of actuating arm in the said driving mechanism (31) and lever (32) is rotationally connected, and the other end of said lever (32) links to each other with interlocking gear (33); The input terminal (21) of said vacuum circuit-breaker (2) is electrically connected with outlet column (13) in the double-power supply switching device (1).
2. combined high-voltage change over switch according to claim 1 is characterized in that: said interlocking gear (33) comprises main shaft (331), be arranged on main transmission connecting lever (332), auxiliary spindle (333) on the main shaft (331), be arranged on auxiliary driving connecting lever (334) on the auxiliary spindle (333), the drive link (335) that connecting lever links to each other is rotated with said main transmission connecting lever (332) and secondary respectively in two ends; Said main transmission connecting lever (332) links to each other with moving contact in the main vacuum interruption mechanism (15), and said auxiliary driving connecting lever (334) links to each other with moving contact in the secondary vacuum vacuum interruption mechanism (16); The middle part of the other end of said lever (32) and drive link (335) is rotationally connected.
3. combined high-voltage change over switch according to claim 2 is characterized in that: said main vacuum interruption mechanism (15) and secondary vacuum vacuum interruption mechanism (16) are separately positioned on the two side ends of housing, and are height such as level and are symmetrical set; Said drive link (335) is horizontally disposed with; Said lever (32) is arranged in the middle of main shaft (331) and the auxiliary spindle (333).
4. combined high-voltage change over switch according to claim 2 is characterized in that: the outlet column (13) in the said double-power supply switching device (1) is arranged on its shell bottom wall; Input terminal (21) in the said vacuum circuit-breaker (2) is arranged on its top; Said vacuum circuit-breaker (2) is arranged on said outlet column (13) below, and its input terminal (21) links to each other with outlet column (13) in the double-power supply switching device (1).
5. combined high-voltage change over switch according to claim 4 is characterized in that: the input terminal (21) of vacuum circuit-breaker (2) links to each other the position with outlet column (13) in the double-power supply switching device (1) outside, be arranged with insulating protective layer (4).
6. combined high-voltage change over switch according to claim 4 is characterized in that: said vacuum circuit-breaker (2) is provided with three vacuum arc extinction terminal posts (5) that vertically are provided with, and includes a vacuum interruption mechanism that vertically is provided with in each vacuum arc extinction terminal post (5); Said operating mechanism is arranged on the vacuum interruption mechanism bottom.
7. combined high-voltage change over switch according to claim 6 is characterized in that: in each vacuum arc extinction terminal post (5) both sides, be arranged with two with this pole in moving contact is electrically connected in the vacuum interruption mechanism outlet terminal (22).
8. combined high-voltage change over switch according to claim 7 is characterized in that: also comprise an armouring housing (7) and be arranged on two lead-out terminals (71) on the armouring housing (7); Said each lead-out terminal (71) separately with vacuum circuit-breaker (2) on a corresponding outlet terminal (22) be electrically connected; Main power source binding post (11) and auxiliary power binding post (12) in the said duplicate supply switching mechanism stretch out armouring housing (7).
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410392610.0A CN104183418B (en) | 2011-06-13 | 2011-06-13 | The armouring insulated type Combined-type high-voltage conversion switch that switching time is shorter |
| CN201410392126.8A CN104201047B (en) | 2011-06-13 | 2011-06-13 | Armored combined high-voltage change-over switch with short switching time |
| CN201410392060.2A CN104201040B (en) | 2011-06-13 | 2011-06-13 | Armouring insulated type Combined-type high-voltage conversion switch |
| CN201410391957.3A CN104183417B (en) | 2011-06-13 | 2011-06-13 | The insulated type Combined-type high-voltage conversion switch that switching time is shorter |
| CN201410392059.XA CN104201046B (en) | 2011-06-13 | 2011-06-13 | Combined high-voltage change-over switch with short switching time |
| CN201110157082.7A CN102394197B (en) | 2011-06-13 | 2011-06-13 | Combined-type high-voltage conversion switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110157082.7A CN102394197B (en) | 2011-06-13 | 2011-06-13 | Combined-type high-voltage conversion switch |
Related Child Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410391957.3A Division CN104183417B (en) | 2011-06-13 | 2011-06-13 | The insulated type Combined-type high-voltage conversion switch that switching time is shorter |
| CN201410392610.0A Division CN104183418B (en) | 2011-06-13 | 2011-06-13 | The armouring insulated type Combined-type high-voltage conversion switch that switching time is shorter |
| CN201410392126.8A Division CN104201047B (en) | 2011-06-13 | 2011-06-13 | Armored combined high-voltage change-over switch with short switching time |
| CN201410392060.2A Division CN104201040B (en) | 2011-06-13 | 2011-06-13 | Armouring insulated type Combined-type high-voltage conversion switch |
| CN201410392059.XA Division CN104201046B (en) | 2011-06-13 | 2011-06-13 | Combined high-voltage change-over switch with short switching time |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102394197A true CN102394197A (en) | 2012-03-28 |
| CN102394197B CN102394197B (en) | 2014-10-01 |
Family
ID=45861458
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410392060.2A Expired - Fee Related CN104201040B (en) | 2011-06-13 | 2011-06-13 | Armouring insulated type Combined-type high-voltage conversion switch |
| CN201410391957.3A Expired - Fee Related CN104183417B (en) | 2011-06-13 | 2011-06-13 | The insulated type Combined-type high-voltage conversion switch that switching time is shorter |
| CN201110157082.7A Active CN102394197B (en) | 2011-06-13 | 2011-06-13 | Combined-type high-voltage conversion switch |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410392060.2A Expired - Fee Related CN104201040B (en) | 2011-06-13 | 2011-06-13 | Armouring insulated type Combined-type high-voltage conversion switch |
| CN201410391957.3A Expired - Fee Related CN104183417B (en) | 2011-06-13 | 2011-06-13 | The insulated type Combined-type high-voltage conversion switch that switching time is shorter |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN104201040B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036985A (en) * | 2014-06-09 | 2014-09-10 | 福开尔（西安）电气有限公司 | Grounding switch of double-break breaker |
| CN105390333A (en) * | 2015-12-23 | 2016-03-09 | 哈尔滨朗昇电气股份有限公司 | Fast double-power transfer switch and switching control method |
| CN111696818A (en) * | 2020-06-23 | 2020-09-22 | 广东电网有限责任公司 | Combined vacuum circuit breaker device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183418B (en) * | 2011-06-13 | 2016-11-16 | 广东兆华电业有限公司 | The armouring insulated type Combined-type high-voltage conversion switch that switching time is shorter |
| CN104201046B (en) * | 2011-06-13 | 2017-02-08 | 乐清市华尊电气有限公司 | Combined high-voltage change-over switch with short switching time |
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| CN1945771A (en) * | 2006-10-29 | 2007-04-11 | 宝光集团有限公司 | Outdoor high voltage double power source vacuum breaker |
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| CN202134455U (en) * | 2011-06-13 | 2012-02-01 | 苏肄鹏 | Combined type high voltage change-over switch |
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| DE3742459C2 (en) * | 1987-12-15 | 1994-06-16 | Asea Brown Boveri | Drive device for an electrical medium-voltage or high-voltage switch |
| KR100390795B1 (en) * | 2000-12-04 | 2003-07-10 | 엘지산전 주식회사 | The vacuum circuit breaker |
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2011
- 2011-06-13 CN CN201410392060.2A patent/CN104201040B/en not_active Expired - Fee Related
- 2011-06-13 CN CN201410391957.3A patent/CN104183417B/en not_active Expired - Fee Related
- 2011-06-13 CN CN201110157082.7A patent/CN102394197B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1945771A (en) * | 2006-10-29 | 2007-04-11 | 宝光集团有限公司 | Outdoor high voltage double power source vacuum breaker |
| CN101266894A (en) * | 2008-04-03 | 2008-09-17 | 黄勤飞 | An intelligent high-voltage dual power conversion switch |
| CN101504894A (en) * | 2008-04-03 | 2009-08-12 | 黄勤飞 | Intelligent high voltage duplicate power source converting switch |
| CN101383239A (en) * | 2008-06-26 | 2009-03-11 | 黄勤飞 | Chamber type automatic duplicate supply converting switch |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036985A (en) * | 2014-06-09 | 2014-09-10 | 福开尔（西安）电气有限公司 | Grounding switch of double-break breaker |
| CN104036985B (en) * | 2014-06-09 | 2016-02-24 | 福开尔（西安）电气有限公司 | A kind of earthed switch of double-fracture circuit breaker |
| CN105390333A (en) * | 2015-12-23 | 2016-03-09 | 哈尔滨朗昇电气股份有限公司 | Fast double-power transfer switch and switching control method |
| CN105390333B (en) * | 2015-12-23 | 2020-04-07 | 黑龙江博瑞特高新技术开发有限公司 | Fast dual-power-supply change-over switch and change-over control method |
| CN111696818A (en) * | 2020-06-23 | 2020-09-22 | 广东电网有限责任公司 | Combined vacuum circuit breaker device |
| CN111696818B (en) * | 2020-06-23 | 2022-02-08 | 广东电网有限责任公司 | Combined vacuum circuit breaker device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104201040A (en) | 2014-12-10 |
| CN104201040B (en) | 2016-05-11 |
| CN102394197B (en) | 2014-10-01 |
| CN104183417B (en) | 2016-05-11 |
| CN104183417A (en) | 2014-12-03 |
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