CN105680359A - Switch cabinet busbar grounding handcart anti-misoperation locking device and anti-misoperation locking method - Google Patents
Switch cabinet busbar grounding handcart anti-misoperation locking device and anti-misoperation locking method Download PDFInfo
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- CN105680359A CN105680359A CN201610195637.XA CN201610195637A CN105680359A CN 105680359 A CN105680359 A CN 105680359A CN 201610195637 A CN201610195637 A CN 201610195637A CN 105680359 A CN105680359 A CN 105680359A
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- module
- handcart
- switch
- acquisition module
- charged display
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention relates to a switch cabinet busbar grounding handcart anti-misoperation locking device and belongs to the electric power system relay protection and automation technical field. The switch cabinet busbar grounding handcart anti-misoperation locking device includes a CPU module in communication connection with a switch; output ends of the CPU module are connected with a handcart position acquisition module and an electrification display state acquisition module; the handcart position acquisition module and the electrification display state acquisition module are both in communication connection with a logic judgment module; the logic judgment module is in communication connection with the CPU module; and the CPU module is in communication connection with an execution module. The switch cabinet busbar grounding handcart anti-misoperation locking device of the invention has the advantages of flexible design, function integration and convenient construction, and can assist in decreasing engineering investment and improving construction efficiency.
Description
Technical field
The present invention relates to a kind of switch cabinet bus grounding car anti-misoperation locking device and anti-error locking medium, belong to relay protection of power system and technical field of automation thereof.
Background technology
In power system, maloperation serious accident happens occasionally, the person and equipment safety in serious threat, although State Grid Corporation of China in " 18 great anti-accident measures of electrical network " to preventing misoperation fault from proposing important requirement, but do not propose to illustrate to the anti-misoperation locking situation of the switch cubicle of configuration busbar grounding handcart, there is bigger potential safety hazard.
For adapting to power network development new situations, improve grid equipment safety operation level further, Utilities Electric Co. of Shandong Province has worked out " 18 electrical networks of State Grid Shandong Electric Power Company great anti-accident measures supplementary provision in 2015 ", in the design phase to preventing electric fault-operation accident from proposing new requirement: " for configuring the high-tension switch cabinet of busbar grounding handcart, busbar grounding handcart and place bus all intervals handcart should have electric interlock each other. " according to above-mentioned requirements; at present in the Substation Design stage; generally way is to utilize the connection of secondary cable to carry out busbar grounding car and each interval handcart electric interlock each other by hard contact; but due to 10kV(35kV in transformer station) interval quantity is more; electric interlock relates to a large amount of interval; when causing constructing, wiring is complicated and add the difficulty of cable laying, gives design and constructs and all causes certain difficulty.
Summary of the invention
It is an object of the invention to the weak point solving exist in prior art, it is provided that a kind of flexible design, function are integrated, easy construction, reduction construction investment, the switch cabinet bus grounding handcart anti-misoperation locking device improving construction efficiency and anti-error locking medium.
The present invention is achieved through the following technical solutions:
A kind of anti-error locking device of switch cabinet bus grounding car, it is characterized in that the CPU module 4-1 including being connected with switch 3 communication, the outfan of CPU module 4-1 is connected to handcart position acquisition module 4-2, charged display state acquisition module 4-3, handcart position acquisition module 4-2, charged display state acquisition module 4-3 are all connected with logic judgment module 4-4 communication, logic judgment module 4-4 and CPU module 4-1 communication is connected, and CPU module 4-1 is connected with performing module 4-5 communication.
Protection supervisory equipment 2 communication of described switch 3 switch cubicle 1 multiple with on bus is connected.
A kind of anti-error locking medium of switch cabinet bus grounding car, it is characterized in that and comprises the following steps:
1, the handcart position signal of switch cubicle 1 and charged display status signal are uploaded to corresponding protection supervisory equipment 2 by hard contact;
2, handcart position signal and charged display status signal are uploaded to Substation Station control layer network by switch 3 by protection supervisory equipment 2;
3, CPU module 4-1 gathers the handcart position signal of required switch cubicle 1 and charged display status signal by switch 3, sends handcart position acquisition module 4-2 and charged display state acquisition module 4-3 to;
4, handcart position acquisition module 4-2 and charged display state acquisition module 4-3 sends handcart position signal and charged display status signal to logic judgment module 4-4 and carries out corresponding logical judgment;
When logic judgment module 4-4 judges that the handcart position signal of all switch cubicles of bus is testing position and charged display status signal is not charged, logical judgment result puts into for allowing earth handcart;
When logic judgment module 4-4 judges that the handcart position signal of bus either switch cabinet is operating position or charged display status signal is charged, logical judgment result is for forbidding that earth handcart puts into;
5, result is returned CPU module 4-1, CPU module 4-1 and the judged result of logic judgment module 4-4 exports extremely execution module 4-5 by logic judgment module 4-4;
When performing the module 4-5 judged result received for allowing earth handcart to put into, by electromagnetic lock power on, limit switch sucks, and earth handcart now can push PT cabinet;
When performing the module 4-5 judged result received for forbidding that earth handcart puts into, electromagnetic lock power supply is not turned on, and limit switch ejects, and now earth handcart cannot push PT cabinet.
The anti-error locking device of switch cabinet bus grounding car of the present invention can produce following good effect: the present invention is directed in " 18 electrical networks of State Grid Shandong Electric Power Company great anti-accident measures supplementary provision in 2015 " " for configuring the high-tension switch cabinet of busbar grounding handcart, busbar grounding handcart and place bus all intervals handcart should have electric interlock each other " this requirement, existing network structure and the network equipment in transformer station is utilized to gather information and carry out logical judgment, and then realize electric interlock, thus reducing the complexity being connected the cable laying caused by hard contact, improve design and the efficiency of construction simultaneously, reduce the investment of engineering, at relay protection of power system and technical field of automation thereof, there is good application prospect.
Accompanying drawing explanation
Fig. 1: the structural representation of the present invention a kind of switch cabinet bus grounding anti-error locking device of car.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not having creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1:
The anti-error locking device of switch cabinet bus grounding car (with reference to accompanying drawing 1) of the present embodiment; it includes the switch cubicle 1 of 1 to interval, interval n; the switch cubicle 1 of 1 to interval, interval n connects the protection supervisory equipment 2 of 1 to interval, interval n respectively; the protection supervisory equipment 2 of 1 to interval, interval n is all connected with switch 3, switch 3 connecting switch cabinet busbar grounding car anti-misoperation locking device 4. Wherein, switch cabinet bus grounding car anti-misoperation locking device 4 includes CPU module 4-1, handcart position acquisition module 4-2, charged display state acquisition module 4-3, logic judgment module 4-4, CPU module 4-1 connects handcart position acquisition module 4-2 and charged display state acquisition module 4-3, handcart position acquisition module 4-2 and charged display state acquisition module 4-3 is all connected with logic judgment module 4-4, logic judgment module 4-4 connects CPU module 4-1, CPU module 4-1 connects switch 3, and CPU module 4-1 connects execution module 4-5.
Embodiment 2
A kind of anti-error locking medium of switch cabinet bus grounding car of the present embodiment, comprises the following steps:
1, the handcart position signal of switch cubicle 1 and charged display status signal are uploaded to corresponding protection supervisory equipment 2 by hard contact;
2, handcart position signal and charged display status signal are uploaded to Substation Station control layer network by switch 3 by protection supervisory equipment 2;
3, CPU module 4-1 gathers the handcart position signal of required switch cubicle 1 and charged display status signal by switch 3, sends handcart position acquisition module 4-2 and charged display state acquisition module 4-3 to;
4, handcart position acquisition module 4-2 and charged display state acquisition module 4-3 sends handcart position signal and charged display status signal to logic judgment module 4-4 and carries out corresponding logical judgment, when logic judgment module 4-4 judges that the handcart position signal of all switch cubicles of bus is testing position and charged display status signal is not charged, logical judgment result puts into (namely allowing busbar grounding handcart to advance in PT cabinet) for allowing earth handcart, when logic judgment module 4-4 judges that the handcart position signal of bus either switch cabinet is operating position or charged display status signal is charged, logical judgment result is for forbidding that earth handcart puts into (namely not allowing busbar grounding handcart to advance in PT cabinet),
5, result is returned CPU module 4-1 by logic judgment module 4-4, the judged result of logic judgment module 4-4 is exported to performing module 4-5 by CPU module 4-1, when performing the module 4-5 judged result received for allowing earth handcart to put into, by electromagnetic lock power on, limit switch sucks, and earth handcart now can push PT cabinet; When performing the module 4-5 judged result received for forbidding that earth handcart puts into, electromagnetic lock power supply is not turned on, and limit switch ejects, and now earth handcart cannot push PT cabinet.
The anti-error locking device of switch cabinet bus grounding of the present invention can produce following good effect: the present invention is directed in " 18 electrical networks of State Grid Shandong Electric Power Company great anti-accident measures supplementary provision in 2015 " " for configuring the high-tension switch cabinet of busbar grounding handcart, busbar grounding handcart and place bus all intervals handcart should have electric interlock each other " this requirement, existing network structure and the network equipment in transformer station is utilized to gather information and carry out logical judgment, and then realize electric interlock, thus reducing the complexity being connected the cable laying caused by hard contact, improve design and the efficiency of construction simultaneously, reduce the investment of engineering, at relay protection of power system and technical field of automation thereof, there is good application prospect.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (3)
1. the anti-error locking device of switch cabinet bus grounding car, it is characterized in that the CPU module (4-1) including being connected with switch (3) communication, the outfan of CPU module (4-1) is connected to handcart position acquisition module (4-2), charged display state acquisition module (4-3), handcart position acquisition module (4-2), charged display state acquisition module (4-3) are all connected with logic judgment module (4-4) communication, logic judgment module (4-4) is connected with CPU module (4-1) communication, and CPU module (4-1) is connected with performing module (4-5) communication.
2. a kind of anti-error locking device of switch cabinet bus grounding car described in claim 1, it is characterised in that protection supervisory equipment (2) communication of described switch (3) switch cubicle (1) multiple with on bus is connected.
3. the anti-error locking medium of switch cabinet bus grounding car, it is characterised in that comprise the following steps:
1) the handcart position signal of switch cubicle (1) and charged display status signal are uploaded to corresponding protection supervisory equipment (2) by hard contact;
2) handcart position signal and charged display status signal are uploaded to Substation Station control layer network by switch (3) by protection supervisory equipment (2);
3) CPU module (4-1) gathers the handcart position signal of required switch cubicle (1) and charged display status signal by switch (3), sends handcart position acquisition module (4-2) and charged display state acquisition module (4-3) to;
4) handcart position acquisition module (4-2) and charged display state acquisition module (4-3) send handcart position signal and charged display status signal to logic judgment module (4-4) and carry out corresponding logical judgment;
When logic judgment module (4-4) judges that the handcart position signal of all switch cubicles of bus is testing position and charged display status signal is not charged, logical judgment result puts into for allowing earth handcart;
When logic judgment module (4-4) judges that the handcart position signal of bus either switch cabinet is operating position or charged display status signal is charged, logical judgment result is for forbidding that earth handcart puts into;
5) result is returned CPU module (4-1) by logic judgment module (4-4), and the judged result of logic judgment module (4-4) is exported to performing module (4-5) by CPU module (4-1);
When the judged result that execution module (4-5) receives is for allowing earth handcart to put into, by electromagnetic lock power on, limit switch sucks, and earth handcart now can push PT cabinet;
When the judged result that execution module (4-5) receives is for forbidding that earth handcart puts into, electromagnetic lock power supply is not turned on, and limit switch ejects, and now earth handcart cannot push PT cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610195637.XA CN105680359B (en) | 2016-03-31 | 2016-03-31 | A kind of anti-error locking device of switch cabinet bus grounding car and anti-error locking medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610195637.XA CN105680359B (en) | 2016-03-31 | 2016-03-31 | A kind of anti-error locking device of switch cabinet bus grounding car and anti-error locking medium |
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| Publication Number | Publication Date |
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| CN105680359A true CN105680359A (en) | 2016-06-15 |
| CN105680359B CN105680359B (en) | 2017-08-22 |
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| CN201610195637.XA Expired - Fee Related CN105680359B (en) | 2016-03-31 | 2016-03-31 | A kind of anti-error locking device of switch cabinet bus grounding car and anti-error locking medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100126A (en) * | 2016-07-20 | 2016-11-09 | 国网江苏省电力公司南通供电公司 | A kind of multiterminal network electrical equipment error preventing lock |
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| CN2729767Y (en) * | 2004-09-14 | 2005-09-28 | 郭伟 | Full automatic multifunction controlling system |
| CN101692534A (en) * | 2009-06-24 | 2010-04-07 | 张敬敏 | Blocking against misoperation, alarming and protecting device of high-voltage switch cabinet |
| CN201584685U (en) * | 2009-12-18 | 2010-09-15 | 厦门立林高压电气有限公司 | Switch cabinet comprehensive control device |
| CN201708588U (en) * | 2010-06-12 | 2011-01-12 | 河南省电力勘测设计院 | Switch cabinet servo manager and system |
| CN203589848U (en) * | 2013-12-16 | 2014-05-07 | 北京九凌联合科技发展有限公司 | Handcart-type switch-cabinet intelligent misoperation-preventive lockup system |
| CN203707583U (en) * | 2014-01-10 | 2014-07-09 | 中山市明阳电器有限公司 | Busbar grounding handcart and incoming and outgoing line handcart locking loop |
| CN205509349U (en) * | 2016-03-31 | 2016-08-24 | 国网山东省电力公司烟台供电公司 | Mistake locking device is prevented to cubical switchboard busbar grounding car |
-
2016
- 2016-03-31 CN CN201610195637.XA patent/CN105680359B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2729767Y (en) * | 2004-09-14 | 2005-09-28 | 郭伟 | Full automatic multifunction controlling system |
| CN101692534A (en) * | 2009-06-24 | 2010-04-07 | 张敬敏 | Blocking against misoperation, alarming and protecting device of high-voltage switch cabinet |
| CN201584685U (en) * | 2009-12-18 | 2010-09-15 | 厦门立林高压电气有限公司 | Switch cabinet comprehensive control device |
| CN201708588U (en) * | 2010-06-12 | 2011-01-12 | 河南省电力勘测设计院 | Switch cabinet servo manager and system |
| CN203589848U (en) * | 2013-12-16 | 2014-05-07 | 北京九凌联合科技发展有限公司 | Handcart-type switch-cabinet intelligent misoperation-preventive lockup system |
| CN203707583U (en) * | 2014-01-10 | 2014-07-09 | 中山市明阳电器有限公司 | Busbar grounding handcart and incoming and outgoing line handcart locking loop |
| CN205509349U (en) * | 2016-03-31 | 2016-08-24 | 国网山东省电力公司烟台供电公司 | Mistake locking device is prevented to cubical switchboard busbar grounding car |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100126A (en) * | 2016-07-20 | 2016-11-09 | 国网江苏省电力公司南通供电公司 | A kind of multiterminal network electrical equipment error preventing lock |
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| CN105680359B (en) | 2017-08-22 |
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