CN101170224A - A mistaken lock prevention ground line control system and control method - Google Patents
A mistaken lock prevention ground line control system and control method Download PDFInfo
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Abstract
The invention provides a misoperation-proof locking earth wire control system and a control method with convenient construction and management, which can avoid the misoperation, and can effectively conduct assemble and disassemble management of the temporary earth wire and real-time radio signal communication. The misoperation-proof locking earth wire control system comprises a temporary earth connection device and a five-prevention main machine, the temporary earth connection device comprises an earth wire clamp, a cable, as well as an earth wire pile head; the earth wire clamp comprises an earth wire connecting device can conveniently conduct connection and dismantlement with a power transmission line and a cable clamp device connected with an earth wire cable, wherein, the earth wire clamp is also arranged with a controller circuit that can detect whether the power transmission line exists and can outwardly transmit the detected signals, and the controller circuit is sealed and packaged on the earth wire connecting device; the five-prevention main machine comprises a misoperation-proof locking judgment module and a wireless signal transceiver module.
Description
Technical field
The present invention relates to a kind of mistaken lock prevention ground line control system and control method, relate in particular to control system that prevents electric misoperation and control method that a kind of electric power system is used to judge the operating state of temporary ground wire.
Background technology
" five anti-" block sytem be China's electric power system to preventing a kind of control system of back brake misoperation in power plant, the transformer station's power transmission and distribution process, mainly be to prevent mistakenly entering charged chamber, prevent mistake drawing switch, prevent on-load drawing disconnecting link, prevent charged hanging ground-wire, prevent to be with ground wire to close disconnecting link with technological means.The back brake misoperation repeats to cause serious accident in electric power system over the years, the particularly misoperation of closing disconnecting link at charged hanging ground-wire and band ground wire, because the mounting or dismounting management to temporary ground wire (being called for short " ground wire ") does not have complete technical equipment, can't accomplish that enforceable ground wire is joined in the whole five anti-main frames like that according to interlock carry out mandatory administration, now still need to rely on field personnel's sense of responsibility and working attitude to reduce error.Because the installing ground wire is in order to protect the safety in the electric equipment maintainer operating process, if the ground wire installation position is not right, then not have protection personnel's effect; Simultaneously, if finish the untimely dismounting ground wire in back in electric equipment maintenance, then can cause the serious accident that the band ground wire closes disconnecting link, therefore preventing charged hanging ground-wire and band ground wire, to close this misoperation of disconnecting link be one of key of relation change distribution safe operation.
The employed temporary ground wire of electric power system mainly is made up of ground clamp, cable, ground wire pile crown etc., and wherein, ground clamp is used for being articulated on the power transmission line, and the ground wire pile crown is used for fixing in the ground wire stake of wanting earthing position, and cable connects ground clamp and ground wire pile crown.Generally, on all prior fixedly connected ground clamp in the two ends of cable and the ground wire pile crown, when carrying out the electric equipment maintenance, take near the electric equipment that needs hanging earthing conductor by the staff, be articulated on the earth point or suitable earth point of appointment, to guarantee service work personnel's safety.At present, on temporary ground wire, mostly adopt the mode of lettering or numbering to identify the difference ground wire, but lacking technological means allows five anti-main frames or other automated system discern and manage ground wire, more can't accomplish articulating and removing of real-time inspection and management temporary ground wire in site of deployment, the work of the dismounting ground wire after particularly maintenance finishes at electric equipment, if not having perfect technological means all ground wires of conducting a compulsory examination has all removed, in case transmission line send, the ground wire that does not then have to remove will cause serious misoperation fault, cause huge equipment loss and economic loss.
Summary of the invention
Therefore, technical problem to be solved by this invention is the deficiency that overcomes on the prior art, provide a kind of and misoperation can not occur, can carry out effectively traditional thread binding provisionally management and the communication of the real-time radio signal of telecommunication, the mistaken lock prevention ground line control system of easy construction, convenient management and the control method of tearing open.
The technical solution adopted in the present invention is:
A kind of mistaken lock prevention ground line control system includes temporary grounding line apparatus and five anti-main frames, and described temporary grounding line apparatus includes ground clamp, ground wire cable and ground wire pile crown; Described ground clamp, include and to be connected with power transmission line easily and ground wire-connecting device of removing and the cable fastener that is connected with the ground wire cable, wherein, be provided with also on the described ground clamp whether detectable transmission line exists and with the outside controller circuitry that sends of detectable signal, described controller circuitry is packaged on the described ground wire-connecting device; Described five anti-main frames include anti-misoperation locking judge module and wireless signal transceiver module.
Preferably, described ground wire-connecting device is a metal clip or metal hook.
Described controller circuitry is packaged on the described ground wire-connecting device.
Described controller circuitry also includes switch detecting element, signal processing module, microprocessor CPU circuit, memory, radio receiving transmitting module and power supply supplying module, described switch detecting element is connected with signal processing module, described microprocessor CPU circuit is connected with signal processing module, memory, wireless transmitter module, and described power supply supplying module is connected with the said units module.
A kind of mistaken lock prevention ground line control method, wherein, described control method includes the hanging ground-wire workflow and tears the ground wire workflow open, five anti-main frames are to the ground clamp transmit status sense command of appointment, and the testing result of reception ground clamp controller circuitry transmission, judge the ground wire operating state according to testing result, whether five anti-main frame decisions can send the operation of electricity.
The invention has the beneficial effects as follows: ground clamp of the present invention is as the critical component on the electric power temporary ground wire, because whether include the switch detecting element detects temporary ground wire and installs and removes, and the microprocessor CPU system that can install and remove signal processing to this, information after can handling CPU in addition is transferred to the five outside anti-main frames or the radio transceiver chip of other automated system by wireless system, so the present invention can cooperate five anti-main frames that the electric power temporary ground wire is controlled and managed.In carrying out electric equipment inspection operation process, can be used as interlock and its operating process is set by five anti-main frames or other automated system.For example, at first will be before the maintenance electric equipment at the appointed place hanging earthing conductor, the instruction that can send the installing ground wire to the temporary ground wire of appointment by five anti-main frames in advance, operating personnel take this temporary ground wire to on-the-spot, ground clamp is articulated on the transmission line that will install, at this moment, the switch detecting element of ground clamp detects ground clamp and is attached to the position signalling on the transmission line and sends the information of ground wire installing by radio receiving transmitting module to five anti-main frames, and five anti-these information of host record are also preserved; After the electric equipment maintenance finishes, before circuit send electricity, five anti-main frames will check whether the ground wire of above installation is all removed, promptly constantly detect the position signalling that ground clamp is sent by five anti-main frames, if ground clamp is taken off from transmission line, then the switch detecting element is surveyed less than transmission line is arranged, send the not position signalling on transmission line of ground clamp by the radio receiving transmitting module on the ground clamp to five anti-main frames, show the ground wire of installation split except, thus, when the installing record of all ground wires that write down in the five anti-main frames all detect less than after, then five anti-main frames can send the operation of electricity, otherwise, can not send the operation of electricity.So, can effectively prevent to send electric caused misoperation fault because of there being ground wire not remove.
Description of drawings
Fig. 1 is the structural representation of the ground clamp of a kind of mistaken lock prevention ground line control system of the present invention;
Fig. 2 is the application structure schematic diagram of the ground clamp of a kind of mistaken lock prevention ground line control system of the present invention;
Fig. 3 is the electrical principle schematic diagram of the ground clamp of a kind of mistaken lock prevention ground line control system of the present invention;
Fig. 4 is five anti-main frame example schematic of a kind of mistaken lock prevention ground line control system of the present invention;
Fig. 5 is the workflow schematic diagram of five anti-main frame hanging ground-wire operations of a kind of mistaken lock prevention ground line control method of the present invention;
Fig. 6 is that five anti-main frames of a kind of mistaken lock prevention ground line control method of the present invention are torn the workflow schematic diagram of ground wire operation open;
Fig. 7 is the workflow schematic diagram of the ground clamp of a kind of mistaken lock prevention ground line control method of the present invention.
Embodiment
A kind of mistaken lock prevention ground line control system includes temporary grounding line apparatus and five anti-main frames, and described temporary grounding line apparatus includes ground clamp, cable and ground wire pile crown; Described ground clamp, include and to be connected with power transmission line easily and ground wire-connecting device of removing and the cable fastener that is connected with the ground wire cable, wherein, be provided with also on the described ground clamp whether detectable transmission line exists and with the outside controller circuitry that sends of detectable signal, described controller circuitry is packaged on the described ground wire-connecting device; Described five anti-main frames include anti-misoperation locking judge module and wireless signal transceiver module.
Preferably, described ground wire-connecting device is a metal clip or metal hook.
Described controller circuitry is packaged on the described ground wire-connecting device.
As Fig. 1, Fig. 2, shown in Figure 3, a kind of ground clamp comprises earth clamp 1, cable joint 2 and cable connecting bolt hole 3; Wherein, described earth clamp also includes groove 4, controller circuitry 5, and described controller circuitry is embedded in the described groove.
Described cable joint 2 is fixedly attached to the bottom of earth clamp 1, can adopt welding, crimping, screw socket connected mode.
Described earth clamp is a hook solid, and described groove 4 is arranged on the top of crotch, and one side of described groove flushes with the edge of crotch.
Described controller circuitry 5 also includes switch detecting element 51, signal processing module 52, microprocessor CPU circuit 53, memory 54, radio receiving transmitting module 55 and power supply supplying module 56, described switch detecting element is connected with signal processing module, described microprocessor CPU circuit is connected with signal processing module, memory, wireless transmitter module, and described power supply supplying module is connected with the said units module.
Described controller circuitry 5 is embedded into groove, and the switch detecting element in the described controller circuitry is set in place in crotch edge one side, and the single or double of the outer surface of described controller circuitry 5 is provided with nonmetal glue embedding layer.
The detection side of described switch detecting element 51 is to being positioned at earth clamp crotch opening direction.
Described switch detecting element adopts touch switch or contactless optical electric switch or Hall switch.
A kind of mistaken lock prevention ground line control method, wherein, described control method includes the hanging ground-wire workflow and tears the ground wire workflow open, five anti-main frames are to the ground clamp transmit status sense command of appointment, and the testing result of reception ground clamp controller circuitry transmission, judge the ground wire operating state according to testing result, whether five anti-main frame decisions can send the operation of electricity.
As shown in Figure 5, described mistaken lock prevention ground line control method, the hanging ground-wire workflow comprises the steps:
Step 1: hanging ground-wire operation beginning;
Step 2: five anti-main frames are to the ground clamp transmit status sense command of appointment;
Step 3: five anti-main frames judge whether to receive the ground clamp testing result of appointment, as receive, enter step 4; As confiscate, enter step 2;
Step 4: five anti-main frames judge that testing result whether greater than rated value, in this way, enters step 5; As not, enter step 2;
Step 5: the hanging ground-wire operation judges is successfully;
Step 6: hanging ground-wire EO.
As shown in Figure 6, described mistaken lock prevention ground line control method is torn the ground wire workflow open and is comprised the steps:
Step 1: tear ground wire operation beginning open;
Step 2: five anti-main frames are to the ground clamp transmit status sense command of appointment;
Step 3: five anti-main frames judge whether to receive the ground clamp testing result of appointment, as receive, enter step 4; As confiscate, enter step 2;
Step 4: five anti-main frames judge that testing result whether greater than rated value, in this way, enters step 5; As not, enter step 2;
Step 5: tearing the ground wire operation judges open is successfully;
Step 6: tear the ground wire EO open.
As shown in Figure 7, described mistaken lock prevention ground line control method, ground clamp course of work flow process is as follows:
Step 1: operation beginning;
Step 2: ground clamp receives the order of five anti-main frames by radio receiving transmitting module;
Step 3: the microprocessor CPU circuit receives orders, and wakes up from battery saving mode;
Step 4: the microprocessor CPU circuit carries out on off state by signal processing module and detects;
Step 5: the microprocessor CPU circuit obtains the on off state testing result by signal processing module;
Step 6: microprocessor CPU circuit start radio receiving transmitting module;
Step 7: the microprocessor CPU circuit is sent testing result back to five anti-main frames by radio receiving transmitting module;
Step 8: the microprocessor CPU circuit returns to battery saving mode;
Step 9: EO.
As shown in Figure 4, operating process of the present invention is as follows: before installing temporary ground wire, anti-misoperation locking judge module 82 in the five anti-main frames 8 sends the command signal that requires the installing ground wire by its wireless signal transceiver module 81 to the ground clamp of appointment, after described ground clamp receives instruction by the radio receiving transmitting module 55 in its controller circuitry 5, the site operation personnel takes the earth connection position of this temporary ground wire to appointment, the crotch of ground clamp is suspended on the transmission line, at this moment, the switch detecting element 51 that is positioned at the crotch place detects the existence of transmission line, give signal processing module 52 this position signalling and carry out the shaping processing, position signalling after treatment give microprocessor CPU 53 discern and judge after give radio receiving transmitting module 55 and send in the five anti-main frames 8, be in place by five anti-main frame 8 these ground wires of record, can carry out operations such as overhaul of the equipments; Overhaul of the equipments end of operation at the scene, before need sending electricity to transmission line, five anti-main frames 8 will check whether the ground wire of above installation is all removed, promptly constantly receive the position signalling that ground clamp is sent by its wireless signal transceiver module 81 by the anti-misoperation locking judge module 82 in the five anti-main frames 8, if ground clamp is taken off from transmission line, then 51 detections of the switch detecting element on the ground clamp are less than the existence of transmission line, the transmission line positional information that then will not have the position that articulates in the radio signal that ground clamp sends, then show the ground wire of installation split except, thus, when the positional information of all ground wires that write down in the five anti-main frames all detect less than after, then five anti-main frames can send the operation of electricity, otherwise, can not send the operation of electricity.
The anti-main frame of among the present invention described five can adopt the existing system that uses, and only need use temporary ground wire as interlock to get final product, and described microprocessor CPU and other electronic device can adopt existing technology and product.
Above-mentioned listed specific implementation is nonrestrictive, to one skilled in the art, is not departing from the scope of the invention, and various improvement and the variation carried out all belong to protection scope of the present invention.
Claims (10)
1. a mistaken lock prevention ground line control system includes temporary grounding line apparatus and five anti-main frames, and described temporary grounding line apparatus includes ground clamp, ground wire cable and ground wire pile crown; Described ground clamp, include and to be connected with power transmission line easily and ground wire-connecting device of removing and the cable fastener that is connected with the ground wire cable, it is characterized in that, be provided with also on the described ground clamp whether detectable transmission line exists and with the outside controller circuitry that sends of detectable signal, described controller circuitry is packaged on the described ground wire-connecting device; Described five anti-main frames include anti-misoperation locking judge module and wireless signal transceiver module.
2. a kind of mistaken lock prevention ground line control system according to claim 1 is characterized in that, described ground wire-connecting device is a metal clip or metal hook; Described controller circuitry is packaged on the described ground wire-connecting device.
3. a kind of mistaken lock prevention ground line control system according to claim 1 and 2 is characterized in that, described ground clamp comprises earth clamp (1), cable joint (2) and cable connecting bolt hole (3); Described earth clamp also includes groove (4), controller circuitry (5), and described controller circuitry is embedded in the described groove.
4. a kind of mistaken lock prevention ground line control system according to claim 3 is characterized in that, described earth clamp is a hook solid, and described groove (4) is arranged on the top of crotch, and one side of described groove flushes with the edge of crotch.
5. a kind of mistaken lock prevention ground line control system according to claim 3, it is characterized in that, described controller circuitry (5) includes switch detecting element (51), signal processing module (52), microprocessor CPU circuit (53), memory (54), radio receiving transmitting module (55) and power supply supplying module (56), described switch detecting element is connected with signal processing module, described microprocessor CPU circuit is connected with signal processing module, memory, wireless transmitter module, and described power supply supplying module is connected with the said units module.
6. according to claim 4 or 5 described a kind of mistaken lock prevention ground line control systems, it is characterized in that, described controller circuitry (5) is embedded into groove, switch detecting element in the described controller circuitry is set in place in crotch edge one side, and the single or double of the outer surface of described controller circuitry (5) is provided with nonmetal glue embedding layer; The detection side of described switch detecting element (51) is to being positioned at earth clamp crotch opening direction; Described switch detecting element adopts touch switch or contactless optical electric switch or Hall switch.
7. the mistaken lock prevention ground line control method of an a kind of mistaken lock prevention ground line control system as claimed in claim 6, it is characterized in that, described control method includes the hanging ground-wire workflow and tears the ground wire workflow open, five anti-main frames are to the ground clamp transmit status sense command of appointment, and the testing result of reception ground clamp controller circuitry transmission, judge the ground wire operating state according to testing result, whether five anti-main frame decisions can send the operation of electricity.
8. mistaken lock prevention ground line control method according to claim 7 is characterized in that the hanging ground-wire workflow comprises the steps:
Step 1: hanging ground-wire operation beginning;
Step 2: five anti-main frames are to the ground clamp transmit status sense command of appointment;
Step 3: five anti-main frames judge whether to receive the ground clamp testing result of appointment, as receive, enter step 4; As confiscate, enter step 2;
Step 4: five anti-main frames judge that testing result whether greater than rated value, in this way, enters step 5; As not, enter step 2;
Step 5: the hanging ground-wire operation judges is successfully;
Step 6: hanging ground-wire EO.
9. mistaken lock prevention ground line control method according to claim 7 is characterized in that, tears the ground wire workflow open and comprises the steps:
Step 1: tear ground wire operation beginning open;
Step 2: five anti-main frames are to the ground clamp transmit status sense command of appointment;
Step 3: five anti-main frames judge whether to receive the ground clamp testing result of appointment, as receive, enter step 4; As confiscate, enter step 2;
Step 4: five anti-main frames judge that testing result whether greater than rated value, in this way, enters step 5; As not, enter step 2;
Step 5: tearing the ground wire operation judges open is successfully;
Step 6: tear the ground wire EO open.
10. mistaken lock prevention ground line control method according to claim 7 is characterized in that, described ground clamp course of work flow process is as follows:
Step 1: operation beginning;
Step 2: ground clamp receives the order of five anti-main frames by radio receiving transmitting module;
Step 3: the microprocessor CPU circuit receives orders, and wakes up from battery saving mode;
Step 4: the microprocessor CPU circuit carries out on off state by signal processing module and detects;
Step 5: the microprocessor CPU circuit obtains the on off state testing result by signal processing module;
Step 6: microprocessor CPU circuit start radio receiving transmitting module;
Step 7: the microprocessor CPU circuit is sent testing result back to five anti-main frames by radio receiving transmitting module;
Step 8: the microprocessor CPU circuit returns to battery saving mode;
Step 9: EO.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006101230383A CN100461536C (en) | 2006-10-26 | 2006-10-26 | A mistaken lock prevention ground line control system and control method |
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| CNB2006101230383A CN100461536C (en) | 2006-10-26 | 2006-10-26 | A mistaken lock prevention ground line control system and control method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064395A (en) * | 2009-11-17 | 2011-05-18 | 珠海优特电力科技股份有限公司 | Grounding device and working method thereof |
| CN104037580A (en) * | 2013-03-06 | 2014-09-10 | 珠海优特电力科技股份有限公司 | Misoperation-preventing intelligent ground wire lock, misoperation-preventing control system and control method |
| CN104201485A (en) * | 2014-09-19 | 2014-12-10 | 国家电网公司 | Short circuit grounding wire device with locking function |
| CN105427425A (en) * | 2015-11-25 | 2016-03-23 | 国家电网公司 | High-voltage ground rod with password unlocking function and use method |
| CN108528365A (en) * | 2018-05-22 | 2018-09-14 | 江苏隆丰电子有限公司 | Automotive wire bundle structure |
| CN110112588A (en) * | 2019-06-19 | 2019-08-09 | 广东电网有限责任公司 | A kind of ground line five-preventing system |
| CN112285614A (en) * | 2020-10-15 | 2021-01-29 | 珠海优特电力科技股份有限公司 | Method, device and system for monitoring grounding hanging position and state |
| CN114167306A (en) * | 2021-12-07 | 2022-03-11 | 国网山东省电力公司济南供电公司 | State monitoring device and method for grounding wire |
| CN115528452A (en) * | 2022-08-30 | 2022-12-27 | 广东诚誉工程咨询监理有限公司 | Grounding wire with function of preventing misoperation during disassembly and assembly and use method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2364630Y (en) * | 1998-12-09 | 2000-02-16 | 北京市兴电节能技术开发有限责任公司 | Host and secondary computers for monitoring earthing conductor by wireless communication mode |
| US7160142B2 (en) * | 2005-01-04 | 2007-01-09 | Cooper Technologies Company | Grounding clamp apparatus and method |
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2006
- 2006-10-26 CN CNB2006101230383A patent/CN100461536C/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064395A (en) * | 2009-11-17 | 2011-05-18 | 珠海优特电力科技股份有限公司 | Grounding device and working method thereof |
| CN102064395B (en) * | 2009-11-17 | 2013-03-13 | 珠海优特电力科技股份有限公司 | Grounding device and working method thereof |
| CN104037580A (en) * | 2013-03-06 | 2014-09-10 | 珠海优特电力科技股份有限公司 | Misoperation-preventing intelligent ground wire lock, misoperation-preventing control system and control method |
| CN104037580B (en) * | 2013-03-06 | 2016-01-06 | 珠海优特电力科技股份有限公司 | Prevent misoperation Intelligent earth wire from locking, preventing misoperation control system and control method |
| CN104201485A (en) * | 2014-09-19 | 2014-12-10 | 国家电网公司 | Short circuit grounding wire device with locking function |
| CN105427425A (en) * | 2015-11-25 | 2016-03-23 | 国家电网公司 | High-voltage ground rod with password unlocking function and use method |
| CN108528365A (en) * | 2018-05-22 | 2018-09-14 | 江苏隆丰电子有限公司 | Automotive wire bundle structure |
| CN110112588A (en) * | 2019-06-19 | 2019-08-09 | 广东电网有限责任公司 | A kind of ground line five-preventing system |
| CN112285614A (en) * | 2020-10-15 | 2021-01-29 | 珠海优特电力科技股份有限公司 | Method, device and system for monitoring grounding hanging position and state |
| CN114167306A (en) * | 2021-12-07 | 2022-03-11 | 国网山东省电力公司济南供电公司 | State monitoring device and method for grounding wire |
| CN115528452A (en) * | 2022-08-30 | 2022-12-27 | 广东诚誉工程咨询监理有限公司 | Grounding wire with function of preventing misoperation during disassembly and assembly and use method |
| CN115528452B (en) * | 2022-08-30 | 2023-10-24 | 广东诚誉工程咨询监理有限公司 | Grounding wire with function of preventing misoperation during disassembly and assembly and use method |
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|---|---|
| CN100461536C (en) | 2009-02-11 |
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