CN105305286A - Reclose forced interlocking device with dual protection and operation method thereof - Google Patents
Reclose forced interlocking device with dual protection and operation method thereof Download PDFInfo
- Publication number
- CN105305286A CN105305286A CN201510709199.XA CN201510709199A CN105305286A CN 105305286 A CN105305286 A CN 105305286A CN 201510709199 A CN201510709199 A CN 201510709199A CN 105305286 A CN105305286 A CN 105305286A
- Authority
- CN
- China
- Prior art keywords
- operating handle
- switch operating
- grounding switch
- module
- electromagnetic lock
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000009977 dual effect Effects 0.000 title abstract 3
- 230000003993 interaction Effects 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241000208199 Buxus sempervirens Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3275—Fault detection or status indication
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to a reclose forced interlocking device with dual protection for controlling a transformer station and an operation method thereof. The reclose forced interlocking device with dual protection for controlling a transformer station comprises a cabinet body, an operation panel arranged at the front of the cabinet body, an isolation switch installed in the cabinet body, and a breaker. The operation panel is provided with an earthing knife-switch operating handle; a voltage sensor is arranged at line side of a control cabinet; the output end of the voltage sensor is in parallel with a voltage display and a magnetic lock, and the voltage display and the magnetic lock are located at one side of the earthing knife-switch operating handle; the magnetic lock is controlled by two parallel relays; and the two relays are influenced by a power supply at the line side and a trip counting circuit. According to the reclose forced interlocking device, the electrification prompting of a line side is realized and at the same time the number of closing times of the breaker is monitored, and when the line side is uncharged and the number of safe closing tines is used up, the earthing knife function of the line is forcedly closed, therefore potential risks are thoroughly eliminated, personal isolation is ensured and safe work requirement of a breaker is satisfied.
Description
Technical field
The present invention relates to a kind of Substation control equipment, be specifically related to a kind of reclosing positive locking mechanism and method of operation thereof of duplicate protection.
Background technology
The XGN switch cubicle that 10kV electrical network generally uses, i.e. box fixed indoor ac metal closing switch gear, its line side is charged, without electrification display and mechanical latching forcing device.The charged uncertainty in line side, when circuit and switch cabinet equipment maintenance accident treatment, line side electrical ground disconnecting link still can close, operation and maintenance process in, potential safety hazard is existed to the person and equipment, the transformation of XGN switch cabinet electrified display positive locking must be carried out, eliminate accident potential technically.In addition, the security of operation of electric power facility requires: when 1, the rupturing capacity of circuit breaker is less than busbar short-circuit capacity, reclosing is out of service; 2, circuit breaker failure tripping operation number of times exceedes regulation, should be out of service by reclosing; 3, circuit has live line working, should be out of service by reclosing." Shan Dongdi county power system dispatching control and management code " requires: when switch allows the blocking number of stoppages to be less than twice, and supervise and control person, plant stand person on duty should claim to administration scheduling, the reclosing of this switch of stopping using.This just means: whether perform reclosing, and first will see whether line side fault is got rid of, and second also will see that circuit breaker failure tripping operation number of times is whether within Safe Times.But existing power switch control cabinet does not all arrange circuit breaker trip number of times and lifetime monitoring apparatus, the method statistic tripping operation number of times of manual record can only be adopted, make the instruction whether meeting combined floodgate condition.Workload is large, easily produces human error.My another Chinese patent " switch cabinet electrified display positive locking mechanism ", the patent No.: 2015201869211.It achieves ground, electromagnetic lock blocked line side cutter function by the electromagnetic lock be arranged on grounding switch operating handle, eliminates safe hidden trouble, and ensures person isolation, eliminates accident factor technically.But owing to lacking circuit breaker trip number of times and lifetime monitoring apparatus, the predicament of personal monitoring's circuit breaker trip number of times still cannot be broken away from.
Summary of the invention
The object of the present invention is to provide a kind of reclosing positive locking mechanism and the method for operation thereof of monitoring and ensure the duplicate protection of personal isolation features with the circuit breaker life-span.
In order to reach above object, the technical solution adopted in the present invention is as follows:
The reclosing positive locking mechanism of duplicate protection of the present invention comprises control cabinet, be arranged on the guidance panel controlled before cabinet, be arranged on the isolating switch in control cabinet and circuit breaker, guidance panel is provided with grounding switch operating handle, in control cubicle line side, voltage sensor is installed, the output shunt voltage display of described voltage sensor and electromagnetic lock, described voltage display and electromagnetic lock are fixedly mounted on guidance panel, be positioned at the side of grounding switch operating handle, described electromagnetic lock comprises housing, be fixedly mounted on the solenoid in housing, be inserted into the driving shaft in solenoid inner core, the two ends of described driving shaft are installed with moving armature and spring base respectively, return spring is provided with between described spring base and the inwall of housing, front end and the lockhole be arranged on grounding switch operating handle sidewall of described driving shaft match, described grounding switch operating handle is provided with the position transducer of its location status of monitoring, solenoid 6 in described electromagnetic lock is connected to working power by the controlled end of the first relay, the control end of the first relay is connected to the output of voltage sensor, the controlled end of described first relay is parallel with the controlled end of the second relay, the control end of described second relay is connected to the output of trip count circuit, the output of position transducer is connected to the input of trip count circuit, , described trip count circuit comprises the counting module being in the number of times of combined floodgate successful location for measuring switch operation handle, for storing closing frequencies higher limit and by setting right for the numeric ratio of this higher limit and input and memory module, for the human-computer interaction module of artificial input data and zeros data, the output of described position transducer is connected to the input of counting module, the output of counting module connects the input arranged with memory module, the control end being connected to the first relay with the output of memory module is set, described human-computer interaction module is with the reset signal end being connected to counting module, be connected to the closing frequencies higher limit input arranged with memory module.
The method of operation of the reclosing positive locking mechanism of above-mentioned duplicate protection, comprises the steps:
A) scrap build, installs voltage sensor in control cubicle line side; The position transducer of its location status of installation and measuring and the electromagnetic lock for locking grounding switch operating handle on the grounding switch operating handle controlling circuit breaker; Utilize human-computer interaction module to be reset by counting module and input closing frequencies higher limit to setting and memory module simultaneously, then perform following steps successively;
B) signal of load position transducer output, as this signal indication grounding switch operating handle changes "on" position into from gate-dividing state, then the numerical value of counting module increases one; If this signal indication grounding switch operating handle is for continuing "on" position, counting module remains unchanged; If this signal indication grounding switch operating handle is for continuing gate-dividing state, then proceed to following steps;
D) judge that whether line side is charged by voltage sensor, read simultaneously counting module numerical value and will it and arrange and the closing frequencies higher limit comparison that stores in memory module, only have when line side is not charged, numerical value in counting module is less than these two conditions of closing frequencies higher limit when possessing simultaneously, electromagnetic lock release grounding switch operating handle, makes it operate combined floodgate; Otherwise electromagnetic lock is by grounding switch operating handle locking, it is made not close a floodgate, until input new closing frequencies higher limit by the cleaning of the numerical value of counting module or to arranging with memory module by human-computer interaction module after the circuit breaker more renewed, then get back to step B.
After adopting technique scheme, this positive locking mechanism realizes the charged information prompting in line side, and the closing frequencies of simultaneously monitoring breaker, ground, electromagnetic lock forced blocking line side cutter function is adopted time online trackside safety closing number of times that is charged and circuit breaker is finished, thoroughly eliminate safe hidden trouble, ensure person isolation, meet breaker safe job requirement.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of one embodiment of the invention.
Fig. 2 is the structure principle chart of electromagnetic lock.
Fig. 3 is the theory diagram of trip count circuit.
Embodiment
As shown in Figure 1 and Figure 2; the reclosing positive locking mechanism of duplicate protection of the present invention; comprise and control cabinet, be arranged on and control guidance panel 1 before cabinet, be arranged on and control isolating switch in cabinet and circuit breaker; guidance panel 1 is provided with grounding switch operating handle 2; in control cubicle line side, a, b, c are provided with voltage sensor 3; described voltage sensor 3 can adopt voltage transformer, also can adopt other forms of step-down transformer.The output shunt voltage display 4 of described voltage sensor 3 and electromagnetic lock, the primary winding of voltage sensor 3 is connected to line side, secondary coil is connected to voltage display 4 and electromagnetic lock, voltage display 4 adopts indicator light or LED display index line curb side strip electricity condition, time line side is charged, voltage display 4 indicator light is lighted, simultaneously for electromagnetic lock provides driving power.Described voltage display 4 and electromagnetic lock are fixedly mounted on guidance panel 1, are positioned at the side of grounding switch operating handle 2, described electromagnetic lock comprises housing 5, the solenoid 6 be fixedly mounted in housing 5, the driving shaft 7 be inserted in solenoid 6 inner core, the two ends of described driving shaft 7 are installed with moving armature 71 and spring base 72 respectively, be provided with return spring between described spring base 72 and the inwall of housing 5, front end and the lockhole be arranged on grounding switch operating handle 2 sidewall of described driving shaft 7 match.Solenoid 6 produces magnetic field when obtaining electric, and promotion moving armature 71 and driving shaft 7 move, and are inserted by driving shaft 7 in the lockhole 22 of grounding switch operating handle 2 sidewall, by grounding switch operating handle 2 locking, make it not close a floodgate.Otherwise when solenoid 6 dead electricity time, under the effect of return spring, driving shaft 7 exits lockhole 22, and grounding switch operating handle 2 freely can realize closing operation.
Described grounding switch operating handle 2 is provided with the position transducer 21 of its location status of monitoring, this position transducer 21 can adopt the devices such as sensitive switch, travel switch, slide rheostat to express different position relationships.Solenoid 6 in described electromagnetic lock is connected to working power by the controlled end of the first relay 9, the control end of the first relay 9 is connected to the output of voltage sensor 3, when the output of voltage sensor 3 is charged, first relay 9 closes, connect the power supply of solenoid 6, make electromagnetic lock action.The controlled end of described first relay 9 is parallel with the controlled end of the second relay 92, and the control end of described second relay 92 is connected to the output of trip count circuit 8, and the output signal of trip count circuit 8 can control the action of the second relay 92.The output of position transducer 21 is connected to the input of trip count circuit 8, described trip count circuit 8 comprises the counting module 81 being in the number of times of combined floodgate successful location for measuring switch operation handle 2, for storing closing frequencies higher limit and by setting right for the numeric ratio of this higher limit and input and memory module 82, for the human-computer interaction module 83 of artificial input data and zeros data, the output of described position transducer 21 is connected to the input of counting module 81, the output of counting module 81 connects the input arranged with memory module 82, the control end being connected to the first relay 9 with the output of memory module 82 is set, described human-computer interaction module 83 is with the reset signal end being connected to counting module 81, be connected to the closing frequencies higher limit input arranged with memory module 82.
The feed motion each time of position transducer 21 monitoring grounding switch operation handle 2, and count, when closing frequencies is less than the closing frequencies higher limit in setting and memory module 82 time, the second relay 92 is failure to actuate, and the action of electromagnetic lock is only by the control of the first relay 9; When closing frequencies reaches the closing frequencies higher limit in setting and memory module 82 time, trip count circuit 8 exports control signal makes the second relay 92 close, now regardless of the operating state of the first relay 9, electromagnetic lock, all the time by grounding switch operating handle 2 locking, makes it close a floodgate.
The method of operation of the reclosing positive locking mechanism of above-mentioned duplicate protection, comprises the steps:
A) scrap build, installs voltage sensor in control cubicle line side; The position transducer 21 of its location status of installation and measuring and the electromagnetic lock for locking grounding switch operating handle 2 on the grounding switch operating handle 2 controlling circuit breaker; Utilize human-computer interaction module 83 to be reset by counting module 81 and input closing frequencies higher limit to setting and memory module 82 simultaneously, then perform following steps successively;
B) signal of load position transducer 21 output, as this signal indication grounding switch operating handle 2 changes "on" position into from gate-dividing state, then the numerical value of counting module 81 increases one; If this signal indication grounding switch operating handle 2 is for continuing "on" position, counting module 81 remains unchanged; If this signal indication grounding switch operating handle 2 is for continuing gate-dividing state, then proceed to following steps;
D) judge that whether line side is charged by voltage sensor, read simultaneously counting module 81 numerical value and will it and arrange and the closing frequencies higher limit comparison that stores in memory module 82, only have when line side is not charged, numerical value in counting module 81 is less than these two conditions of closing frequencies higher limit when possessing simultaneously, electromagnetic lock release grounding switch operating handle 2, makes it operate combined floodgate; Otherwise electromagnetic lock is by grounding switch operating handle 2 locking, it is made not close a floodgate, until input new closing frequencies higher limit by the cleaning of the numerical value of counting module 81 or to arranging with memory module 82 by human-computer interaction module 83 after the circuit breaker more renewed, then get back to step B.
Claims (2)
1. the reclosing positive locking mechanism of duplicate protection, comprise control cabinet, be arranged on the guidance panel (1) controlled before cabinet, be arranged on the isolating switch in control cabinet and circuit breaker, guidance panel (1) is provided with grounding switch operating handle (2), at control cubicle line side (a, b, voltage sensor (3) c) is installed, the output shunt voltage display (4) of described voltage sensor (3) and electromagnetic lock, described voltage display (4) and electromagnetic lock are fixedly mounted on guidance panel (1), be positioned at the side of grounding switch operating handle (2), described electromagnetic lock comprises housing (5), be fixedly mounted on the solenoid (6) in housing (5), be inserted into the driving shaft (7) in solenoid (6) inner core, the two ends of described driving shaft (7) are installed with moving armature (71) and spring base (72) respectively, return spring is provided with between the inwall of described spring base (72) and housing (5), front end and the lockhole be arranged on grounding switch operating handle (2) sidewall of described driving shaft (7) match, it is characterized in that: the position transducer (21) described grounding switch operating handle (2) being provided with its location status of monitoring, solenoid (6) in described electromagnetic lock is connected to working power by the controlled end of the first relay (9), the control end of the first relay (9) is connected to the output of voltage sensor (3), the controlled end of described first relay (9) is parallel with the controlled end of the second relay (92), the control end of described second relay (92) is connected to the output of trip count circuit (8), the output of position transducer (21) is connected to the input of trip count circuit (8), described trip count circuit (8) comprises the counting module (81) being in the number of times of combined floodgate successful location for measuring switch operation handle (2), for storing closing frequencies higher limit and by setting right for the numeric ratio of this higher limit and input and memory module (82), for the human-computer interaction module (83) of artificial input data and zeros data, the output of described position transducer (21) is connected to the input of counting module (81), the output of counting module (81) connects the input arranged with memory module (82), the control end being connected to the first relay (9) with the output of memory module (82) is set, described human-computer interaction module (83) is with the reset signal end being connected to counting module (81), be connected to the closing frequencies higher limit input arranged with memory module (82).
2. the method for operation of the reclosing positive locking mechanism of duplicate protection according to claim 1, is characterized in that comprising the steps:
A) scrap build, installs voltage sensor in control cubicle line side; At the upper position transducer (21) of its location status of installation and measuring of the grounding switch operating handle (2) controlling circuit breaker and the electromagnetic lock for locking grounding switch operating handle (2); Utilize human-computer interaction module (83) to be reset by counting module (81) and input closing frequencies higher limit to setting and memory module (82) simultaneously, then perform following steps successively;
B) signal of load position transducer 21 output, as this signal indication grounding switch operating handle (2) changes "on" position into from gate-dividing state, then the numerical value of counting module (81) increases one; If this signal indication grounding switch operating handle (2) is for continuing "on" position, counting module (81) remains unchanged; If this signal indication grounding switch operating handle (2) is for continuing gate-dividing state, then proceed to following steps;
D) judge that whether line side is charged by voltage sensor, read simultaneously counting module (81) numerical value and will it and the middle closing frequencies higher limit comparison stored with memory module (82) is set, only have when line side is not charged, numerical value in counting module (81) is less than these two conditions of closing frequencies higher limit when possessing simultaneously, electromagnetic lock release grounding switch operating handle (2), makes it operate combined floodgate; Otherwise electromagnetic lock is by grounding switch operating handle (2) locking, it is made not close a floodgate, until input new closing frequencies higher limit by the cleaning of the numerical value of counting module (81) or to arranging with memory module (82) by human-computer interaction module (83) after the circuit breaker more renewed, then get back to step B.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710143569.7A CN106848905B (en) | 2015-10-28 | 2015-10-28 | The operating method of circuit breaker short circuit fault trip self-locking gear |
| CN201510709199.XA CN105305286B (en) | 2015-10-28 | 2015-10-28 | Circuit breaker short circuit fault trip self-locking gear and operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510709199.XA CN105305286B (en) | 2015-10-28 | 2015-10-28 | Circuit breaker short circuit fault trip self-locking gear and operating method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710143569.7A Division CN106848905B (en) | 2015-10-28 | 2015-10-28 | The operating method of circuit breaker short circuit fault trip self-locking gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105305286A true CN105305286A (en) | 2016-02-03 |
| CN105305286B CN105305286B (en) | 2017-06-16 |
Family
ID=55202224
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510709199.XA Expired - Fee Related CN105305286B (en) | 2015-10-28 | 2015-10-28 | Circuit breaker short circuit fault trip self-locking gear and operating method |
| CN201710143569.7A Expired - Fee Related CN106848905B (en) | 2015-10-28 | 2015-10-28 | The operating method of circuit breaker short circuit fault trip self-locking gear |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710143569.7A Expired - Fee Related CN106848905B (en) | 2015-10-28 | 2015-10-28 | The operating method of circuit breaker short circuit fault trip self-locking gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105305286B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340851A (en) * | 2016-09-14 | 2017-01-18 | 国网福建省电力有限公司 | Reclosing loop suitable for T connected small hydropower line |
| CN107621805A (en) * | 2017-09-30 | 2018-01-23 | 国网黑龙江省电力有限公司黑河供电公司 | Electric substation's uniline anti-misoperation system |
| CN108320983A (en) * | 2018-02-08 | 2018-07-24 | 南京乾鑫电器设备有限公司 | Electronic type ring main unit earthing switch multiple protector and control method |
| CN111864552A (en) * | 2020-07-03 | 2020-10-30 | 广东电网有限责任公司韶关供电局 | Intelligent control device and system for ring main unit ground knife padlock and ground knife padlock device |
| CN112180131A (en) * | 2020-09-30 | 2021-01-05 | 国网黑龙江省电力有限公司电力科学研究院 | Probe mechanism of on-line measuring device for contact voltage of isolating switch |
| CN113572138A (en) * | 2021-07-09 | 2021-10-29 | 广东云舜综合能源科技有限公司 | Method and device for setting electric knife switch with double confirmation functions |
| CN114023608A (en) * | 2021-09-23 | 2022-02-08 | 河南平高电气股份有限公司 | High-voltage circuit breaker and locking control system thereof |
| CN114093708A (en) * | 2021-10-27 | 2022-02-25 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Vertical telescopic type disconnecting link state monitoring device and disconnecting link system |
| CN114613217A (en) * | 2022-02-28 | 2022-06-10 | 国网江苏省电力有限公司技能培训中心 | Transformer substation main transformer grounding switch accident simulation system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169670B (en) * | 2018-02-01 | 2023-07-14 | 贵州电网有限责任公司 | Automatic test device and test method for circuit breaker anti-jump loop |
| CN108666920B (en) * | 2018-07-13 | 2024-01-19 | 河南森源电气股份有限公司 | PT handcart interlocking circuit, PT handcart and metering cabinet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10144170A (en) * | 1996-11-11 | 1998-05-29 | Kubota Corp | Control panel with wrong operation preventive function |
| CN103579994A (en) * | 2012-08-03 | 2014-02-12 | 施耐德电器工业公司 | Control device and method with over/under-voltage protection and automatic reset functions |
| CN203941273U (en) * | 2014-07-02 | 2014-11-12 | 苏州上电科电气设备有限公司 | A kind of isolating switch temperature rise, wink are moved action test device |
| CN204441786U (en) * | 2015-03-31 | 2015-07-01 | 国家电网公司 | Switch cabinet electrified display positive locking mechanism |
-
2015
- 2015-10-28 CN CN201510709199.XA patent/CN105305286B/en not_active Expired - Fee Related
- 2015-10-28 CN CN201710143569.7A patent/CN106848905B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10144170A (en) * | 1996-11-11 | 1998-05-29 | Kubota Corp | Control panel with wrong operation preventive function |
| CN103579994A (en) * | 2012-08-03 | 2014-02-12 | 施耐德电器工业公司 | Control device and method with over/under-voltage protection and automatic reset functions |
| CN203941273U (en) * | 2014-07-02 | 2014-11-12 | 苏州上电科电气设备有限公司 | A kind of isolating switch temperature rise, wink are moved action test device |
| CN204441786U (en) * | 2015-03-31 | 2015-07-01 | 国家电网公司 | Switch cabinet electrified display positive locking mechanism |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340851B (en) * | 2016-09-14 | 2019-04-19 | 国网福建省电力有限公司 | A kind of reclosure loop reform connecing small power station's route suitable for T |
| CN106340851A (en) * | 2016-09-14 | 2017-01-18 | 国网福建省电力有限公司 | Reclosing loop suitable for T connected small hydropower line |
| CN107621805A (en) * | 2017-09-30 | 2018-01-23 | 国网黑龙江省电力有限公司黑河供电公司 | Electric substation's uniline anti-misoperation system |
| CN108320983B (en) * | 2018-02-08 | 2024-02-09 | 南京乾鑫电器设备有限公司 | Electronic ring main unit grounding switch multiple protection device and control method |
| CN108320983A (en) * | 2018-02-08 | 2018-07-24 | 南京乾鑫电器设备有限公司 | Electronic type ring main unit earthing switch multiple protector and control method |
| CN111864552A (en) * | 2020-07-03 | 2020-10-30 | 广东电网有限责任公司韶关供电局 | Intelligent control device and system for ring main unit ground knife padlock and ground knife padlock device |
| CN112180131A (en) * | 2020-09-30 | 2021-01-05 | 国网黑龙江省电力有限公司电力科学研究院 | Probe mechanism of on-line measuring device for contact voltage of isolating switch |
| CN112180131B (en) * | 2020-09-30 | 2024-03-08 | 国网黑龙江省电力有限公司电力科学研究院 | Probe mechanism of on-line measuring device for contact voltage of isolating switch |
| CN113572138A (en) * | 2021-07-09 | 2021-10-29 | 广东云舜综合能源科技有限公司 | Method and device for setting electric knife switch with double confirmation functions |
| CN113572138B (en) * | 2021-07-09 | 2024-04-26 | 广东云舜综合能源科技有限公司 | Method and device for setting electric knife switch with double confirmation function |
| CN114023608A (en) * | 2021-09-23 | 2022-02-08 | 河南平高电气股份有限公司 | High-voltage circuit breaker and locking control system thereof |
| CN114023608B (en) * | 2021-09-23 | 2024-05-24 | 河南平高电气股份有限公司 | High-voltage circuit breaker and locking control system thereof |
| CN114093708A (en) * | 2021-10-27 | 2022-02-25 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Vertical telescopic type disconnecting link state monitoring device and disconnecting link system |
| CN114613217A (en) * | 2022-02-28 | 2022-06-10 | 国网江苏省电力有限公司技能培训中心 | Transformer substation main transformer grounding switch accident simulation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106848905A (en) | 2017-06-13 |
| CN106848905B (en) | 2019-02-22 |
| CN105305286B (en) | 2017-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105305286A (en) | Reclose forced interlocking device with dual protection and operation method thereof | |
| EP2460022B2 (en) | Device and method for providing electrical energy at a branch circuit supplying a load | |
| CN204179552U (en) | Intelligent ring main unit | |
| CN109100662A (en) | Intelligent high-voltage isolating switch AC/DC voltage-regulating power supply test operation system | |
| CN102868221A (en) | Intelligent drawer switch cabinet | |
| EP3273459A1 (en) | Device and method for monitoring a load-breaking unit in an electrical energy supply system and distribution station with a monitored load-breaking unit | |
| CN110098602A (en) | A kind of Guangdong power system isolating device and method | |
| CN106451749B (en) | Emergency protection device and protection method for traction substation control protection system under abnormal working condition | |
| CN102170095A (en) | Diversified high-voltage full-automatic moved handcart | |
| CN200997496Y (en) | Movable high-voltage switching closet with shunt | |
| CN107394895A (en) | A kind of hard pressing plate Long-Range Surveillance Unit of transforming plant protecting | |
| CN205303984U (en) | Intelligence control system's high tension switchgear | |
| CN204441786U (en) | Switch cabinet electrified display positive locking mechanism | |
| CN205644195U (en) | Control circuit of high pressure prepayment switch electricity behaviour mechanism | |
| CN205881836U (en) | Electronic type time relay switching -on device that delays | |
| CN202076844U (en) | Integrated monitoring protector with operation safety protection | |
| CN214410995U (en) | Rail transit safety interlocking device | |
| CN202633766U (en) | Preassembled case-type transformer substation transformer cabin safety net door blocking device | |
| CN209102873U (en) | The prior-warning device of high pressure GIS switching point voltage mutual inductor ferromagnetic resonance | |
| CN208352969U (en) | A kind of distribution system preventing falsely close circuit breaker | |
| CN206179699U (en) | High voltage circuit breaker tank circuit with voltage monitor function | |
| CN109638792B (en) | Circuit pilot protection device | |
| CN106608204B (en) | Electric discharge device | |
| CN110148905A (en) | Ring network cabinet prevents closing protective device with ground | |
| CN215343483U (en) | Isolation switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Jinzhu Inventor after: Zhou Guoming Inventor after: Wang Shanqing Inventor after: Zhuo Baocheng Inventor after: Ma Jizheng Inventor after: Yang Chaojing Inventor after: Pang Dayong Inventor after: Xu Bin Inventor after: Kong Lingyuan Inventor after: Liu Wenge Inventor after: Zheng Wenli Inventor before: Wang Jinzhu Inventor before: Du Ning Inventor before: Zheng Wenli Inventor before: Zhou Guoming Inventor before: Wang Shanqing Inventor before: Ma Jizheng Inventor before: Zhuo Baocheng Inventor before: Yang Chaojing Inventor before: Pang Dayong Inventor before: Xu Bin Inventor before: Kong Lingyuan Inventor before: Li Gang Inventor before: Liu Wenge |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170310 Address after: 276100 Linyi City, Shandong province people's road, No. 271, Tancheng Applicant after: STATE GRID SHANDONG TANCHENG POWER SUPPLY COMPANY Applicant after: State Grid Corporation of China Applicant after: NARI Technology Development Co., Ltd. Address before: 276100 Linyi City, Shandong province people's road, No. 271, Tancheng Applicant before: STATE GRID SHANDONG TANCHENG POWER SUPPLY COMPANY Applicant before: State Grid Corporation of China |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20171028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |