CN102097864B - Substation protecting hard strap remote monitoring method, system and system establishment method - Google Patents
Substation protecting hard strap remote monitoring method, system and system establishment method Download PDFInfo
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- CN102097864B CN102097864B CN 201110054699 CN201110054699A CN102097864B CN 102097864 B CN102097864 B CN 102097864B CN 201110054699 CN201110054699 CN 201110054699 CN 201110054699 A CN201110054699 A CN 201110054699A CN 102097864 B CN102097864 B CN 102097864B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 43
- 230000004224 protection Effects 0.000 claims abstract description 39
- 230000009466 transformation Effects 0.000 claims abstract description 38
- 230000001131 transforming effect Effects 0.000 claims description 21
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The invention discloses a substation protecting hard strap remote monitoring system. A hard strap is obtained by improving the conventional hard strap specifically in a way that: small holes and a wiring terminal are arranged on a base, corresponding conductive contacts are arranged on a cover plate to form two paths when the base is folded with the cover plate, the hard strap corresponds to one path when entering, and corresponds to the other path when withdrawn, and the paths are switched by the rotation of the cover plate. A central processing unit (CPU) processing module transmits electric signals from one end of each path, receives the electric signals from the other end of each path, judges the received electric signals are transmitted by which path to obtain the entering/withdrawalstate of the hard strap, and transmits entering/withdrawal information to a hard strap state display unit of a central station through a power transformation substation by a power transformation substation Ethernet switch and a central station Ethernet switch. The invention also discloses a method corresponding to the system and the method for establishing the system. The methods and the system are used together to realize the remote monitoring of the entering/withdrawal state of the hard strap for the protection of a substation.
Description
Technical fieldThe present invention relates to substation equipment telemonitoring technical field, particularly a kind of hard pressing plate remote monitoring method and surveillance method for building up.
Background technology
At present; along with computer and development of Communication Technique; the universal use of Microcomputer Protection tentatively realized the telemonitoring of some protections with the function pressing plate, but other pressing plate that protection screen is used (as tripping operation and malfunctioning outlet pressing plate) still can't be carried out telemonitoring to it.To some more remote unattended sub-transformer stations, protection tripping operation and malfunctioning outlet pressing plate leak to throw and are difficult to find, in case leak the consequence that throwing can cause the protection tripping especially.Therefore, transforming plant protecting becomes the focus that the electric power enterprise researcher pays close attention to the telemonitoring of hard pressing plate (except the function pressing plate, other pressing plates that protection screen is used are generally hard pressing plate).
Summary of the invention
The present invention proposes a kind of transforming plant protecting with hard pressing plate remote monitoring method and surveillance method for building up, monitor with the throwing state of moving back to hard pressing plate.
Transforming plant protecting of the present invention comprises step with hard pressing plate remote monitoring method:
Step R1, carry the signal of telecommunication to the hole 1 of hard pressing plate;
Step R2, receive the described signal of telecommunication from the hole 4 of hard pressing plate and binding post 7, if the described signal of telecommunication that receives is to be transmitted by binding post 7, then judge the current input state that is in of hard pressing plate, if the described signal of telecommunication that receives is to be transmitted by hole 4, then judge the current exit status that is in of hard pressing plate
Described hard pressing plate comprises base and cover plate, described base comprises hole 1, hole 2, hole 3, hole 4, hole 5, hole 6 and binding post 7, described cover plate comprise the conductive contact 2 corresponding with described hole 2, hole 3, hole 5, hole 6 ', conductive contact 3 ', conductive contact 5 ', conductive contact 6 ', when conductive contact 2 ', conductive contact 3 ', conductive contact 5 ', when conductive contact 6 ' difference patchhole 2, hole 3, hole 5, hole 6, described hard pressing plate is in the input state; When conductive contact 2 ', when conductive contact 3 ' difference patchhole 1, hole 4, described hard pressing plate is in exit status.
Preferably, also comprise:
Step R3, each the described hard pressing plate on each each protection screen of power transformation substation is implemented described step R1-R2;
Step R4, the result of determination of each the described hard pressing plate on each each protection screen of power transformation substation is sent to central station by power transformation substation Ethernet switch and central station Ethernet switch successively;
The described result of determination of each the described hard pressing plate on step R5, each each protection screen of power transformation substation that central station is received shows.
Transforming plant protecting of the present invention comprises step with hard pressing plate Long-Range Surveillance System method for building up:
Step S1, set up aperture 5, hole 6 and binding post 7 at the base of existing hard pressing plate, on the cover board set up the conductive contact 5 corresponding with described hole 5, hole 6 ', conductive contact 6 ';
Step S2, connect described hole 5 and hole 1, hole 6 and binding post 7, conductive contact 5 ' with conductive contact 6 ';
Step S3, set up the CPU processing unit, and with described CPU processing unit respectively with hole 1, hole 4 links to each other with binding post 7, described CPU processing unit is used for the 1 conveying signal of telecommunication to the hole, from the hole 4 and binding post 7 receive the signals of telecommunication, judge that according to the source of the reception signal of telecommunication the current throwing of hard pressing plate moves back state, if the described signal of telecommunication that receives is to be transmitted by binding post 7, then judge the current input state that is in of hard pressing plate, if the described signal of telecommunication that receives is to be transmitted by hole 4, then judge the current exit status that is in of hard pressing plate
Described existing hard pressing plate comprises base and cover plate, and described base comprises hole 1, hole 2, hole 3, hole 4, described cover plate comprise continuous conductive contact 2 ', conductive contact 3 '.
Preferably, also comprise:
Step S4, each the described hard pressing plate on each each protection screen of power transformation substation is implemented described step S1-S2;
Step S5, be that the hard pressing plates of on each each protection screen of power transformation substation all are set up the described CPU processing unit that shares, and with described CPU processing unit with its under on the protection screen hole 1, hole 4 and the binding post 7 of all hard pressing plates link to each other;
Step S6, set up the hard pressing plate status display unit of central station at central station, the throwing that the hard pressing plate status display unit of described central station is used for receiving each each each hard pressing plate of protection screen of power transformation substation that described CPU processing unit sends is moved back state information and state information is moved back in described throwing and shows;
The CPU processing unit of step S7, each each protection screen of power transformation substation that step S5 is set up links to each other with the Ethernet switch of this power transformation substation; the Ethernet switch of each power transformation substation is linked to each other with the Ethernet switch of central station, the central station Ethernet switch is linked to each other with the hard pressing plate status display unit of central station that step S6 sets up.
Transforming plant protecting is with hard pressing plate Long-Range Surveillance System; comprise hard pressing plate and CPU processing unit; wherein; hard pressing plate is to improve on the basis of existing hard pressing plate to form; specifically be to set up aperture and binding post at base; on the cover board set up corresponding conductive contact; make aperture and the binding post of hard pressing plate form two paths; corresponding path during input; corresponding another path when withdrawing from; the switching of path is finished in the cover plate rotation; the CPU processing module sends the signal of telecommunication to an end of two paths, receives the signal of telecommunication from the other end, judges the signal of telecommunication that receives by which bar path is sent; the throwing that draws hard pressing plate is accordingly moved back state and by power transformation substation Ethernet switch and central station Ethernet switch the throwing information of moving back is sent to the hard pressing plate status display unit of central station, realizes that the hard pressing plate in each power transformation substation throws the telemonitoring of the state that moves back.Simultaneously, the aperture of setting up and conductive contact make the combination of base and cover plate tightr, have avoided the empty throwing of hard pressing plate.Transforming plant protecting of the present invention is corresponding with surveillance method for building up and said system with hard pressing plate remote monitoring method, and beneficial effect repeats no more.
Description of drawings
Fig. 1 is the hard pressing plate base of prior art schematic top plan view;
Fig. 2 is the hard pressing plate cover plate of prior art schematic top plan view;
Fig. 3 is hard pressing plate base schematic top plan view among the present invention;
Fig. 4 is hard pressing plate cover plate schematic top plan view among the present invention;
Fig. 5 is transforming plant protecting of the present invention with the structural representation of hard pressing plate Long-Range Surveillance System;
Fig. 6 is transforming plant protecting of the present invention with the schematic flow sheet of hard pressing plate remote monitoring method;
Fig. 7 is transforming plant protecting of the present invention with the schematic flow sheet of hard pressing plate Long-Range Surveillance System method for building up.
Embodiment
Transforming plant protecting of the present invention is with hard pressing plate Long-Range Surveillance System; existing transforming plant protecting is improved with hard pressing plate (hereinafter to be referred as hard pressing plate); be monitored being suitable for; set up two paths by the mode that increases hole count, binding post and conductive contact at hard pressing plate; the cover plate rotation; both realized that hard pressing plate is thrown and moved back switching, also finished the switching of two paths.Therefore, native system judges that according to the break-make situation of two paths the throwing of hard pressing plate moves back situation, and the throwing situation of moving back of each hard pressing plate in power transformation substation is sent to central station to realize the telemonitoring to hard pressing plate.Explain native system in detail below in conjunction with accompanying drawing and embodiment.
The hard pressing plate of prior art comprises base and cover plate, Figure 1 shows that the base schematic top plan view, Figure 2 shows that the cover plate schematic top plan view, 1,2,3,4 four hole is arranged on the base, have on the cover plate corresponding 2 ', 3 ' two conductive contacts (among the figure shown in the dotted line), these two conductive contacts link to each other.With cover plate upset, make conductive contact on the cover plate insert aperture on the base, when conductive contact 2 ', 3 ' respectively patchholes 2,3 the time, hard pressing plate is in the input state, when conductive contact 2 ', 3 ' respectively patchholes 1,4 the time, hard pressing plate is in exit status.
On the basis of hard pressing plate shown in Fig. 1,2, hard pressing plate in the native system, Figure 3 shows that the base schematic top plan view, Figure 4 shows that the cover plate schematic top plan view, its base also comprises hole 5,6 and binding post 7, cover plate also comprise conductive contact 5 ', 6 ' (among the figure shown in the dotted line), hole 5 (not shown) that links to each other with hole 1, hole 6 (not shown) that links to each other with binding post 7, conductive contact 5 ' with conductive contact 6 ' link to each other, for easy to make, binding post 7 is positioned at the bottom of base.In addition, native system also comprises the CPU processing unit, the CPU processing unit is the 1 conveying signal of telecommunication to the hole, when conductive contact 2 ', 3 ', 5 ', 6 ' respectively patchholes 2,3,5,6 the time, hard pressing plate is in the input state, the signal of telecommunication successively by hole 1,5,6 and binding post 7 arrive the CPU processing units, the CPU processing unit is judged the current input state that is in of hard pressing plate; When conductive contact 2 ', 3 ' patchhole 1,4 the time, the signal of telecommunication arrives the CPU processing units by hole 1,4 successively, the CPU of institute processing unit is judged the current exit status that is in of hard pressing plate.
Increased hole 5,6 on the base, cover plate increased accordingly conductive contact 5 ', 6 '.When conductive contact 2 ', 3 ' mating holes 2,3 the time, conductive contact 5 ', 6 ' also aimed at hole 5,6, make that the position of base and cover plate is more firm, avoided empty throwing.Obstructed between the hole 5,6, but conductive contact 5 ', 6 ' be the (not shown) that communicates, and " conductive contact " conducts electricity, therefore, hole 5,6 by conductive contact 5 ', 6 ' realize communicating, and then the signal of telecommunication of CPU processing unit returns the CPU processing unit through the 1-5-6-7 path.When cover plate rotation, conductive contact 2 ', 3 ' mating holes 1,4 o'clock, conductive contact 5 ', 6 ' unsettled, the 5-6 path disconnects, hole 1,4 by conductive contact 2 ', 3 ' realize communicating, the signal of telecommunication of CPU processing unit returns the CPU processing unit through the 1-4 path.The CPU processing unit is differentiated the signal of telecommunication that receives, if transmit from binding post 7, then judge the current input state that is in of hard pressing plate, if 4 transmit from the hole, then judges the current exit status that is in of hard pressing plate.
In order to realize the telemonitoring to hard pressing plate; native system has increased the hard pressing plate status display unit of central station at central station; as shown in Figure 5; each power transformation substation comprises M protection screen; each protection screen comprises L above-mentioned hard pressing plate and 1 CPU processing unit; the hard pressing plate of on each protection screen all is connected to 1 CPU processing unit altogether; CPU processing unit on each protection screen is connected to the Ethernet switch of the affiliated power transformation substation of this protection screen altogether; each power transformation substation Ethernet switch is connected to the central station Ethernet switch altogether, and the central station Ethernet switch links to each other with the hard pressing plate status display unit of central station.The CPU processing unit of each protection screen moves back state information with the throwing of its hard pressing plate of being responsible for and is uploaded to the hard pressing plate status display unit of central station by power transformation substation Ethernet switch, central station Ethernet switch successively; the hard pressing plate status display unit of central station shows the throwing state of moving back of each hard pressing plate; the staff need not the scene, can understand the throwing of each hard pressing plate and move back state.
As one preferred embodiment, hole 5 on the above-mentioned hard pressing plate base, 6 and residing positions, hole 2 form a triangle, correspondingly, conductive contact 5 ', 6 ' with conductive contact 2 ' same triangle of formation, utilize leg-of-mutton steadiness to avoid that hard pressing plate is empty to be thrown.
Preferred embodiment the CPU processing unit is powered by external power supply as one, and the signal of telecommunication of carrying for hole 1 is 24V COM voltage.
Transforming plant protecting of the present invention comprises step with hard pressing plate remote monitoring method:
Step R1, carry the signal of telecommunication to the hole 1 of hard pressing plate;
Step R2, receive the described signal of telecommunication from the hole 4 of hard pressing plate and binding post 7, if the described signal of telecommunication that receives is to be transmitted by binding post 7, then judge the current input state that is in of hard pressing plate, if the described signal of telecommunication that receives is to be transmitted by hole 4, then judge the current exit status that is in of hard pressing plate.
Hard pressing plate in the above-mentioned steps comprises base and cover plate, as shown in Figure 2, base comprises hole 1,2,3,4,5,6 and binding post 7, cover plate comprise with hole 2,3,5,6 corresponding conductive contacts 2 ', 3 ', 5 ', 6 ', when conductive contact 2 ', 3 ', 5 ', 6 ' respectively patchholes 2,3,5,6 the time, hard pressing plate is in the input state; When conductive contact 2 ', 3 ' respectively patchholes 1,4 the time, hard pressing plate is in exit status.
Above-mentioned steps is the method for monitoring to single hard pressing plate, and monitor all hard pressing plates of whole transformer station also needs following steps, as shown in Figure 6:
Step R3, each the described hard pressing plate on each each protection screen of power transformation substation is implemented described step R1-R2;
Step R4, the result of determination of each the described hard pressing plate on each each protection screen of power transformation substation is sent to central station by power transformation substation Ethernet switch and central station Ethernet switch successively;
The described result of determination of each the described hard pressing plate on step R5, each each protection screen of power transformation substation that central station is received shows.
So far, finished the state that moves back is thrown in all protections of whole transformer station with hard pressing plate supervision.
Transforming plant protecting of the present invention comprises step with hard pressing plate Long-Range Surveillance System method for building up:
Step S1, set up aperture 5,6 and binding post 7 at the base of existing hard pressing plate, on the cover board set up with hole 5,6 corresponding conductive contacts 5 ', 6 ';
Step S2, connecting hole 5 and hole 1, hole 6 and binding post 7, conductive contact 5 ' with conductive contact 6 ';
Step S3, set up the CPU processing unit, set up the CPU processing unit, and described CPU processing unit linked to each other with binding post 7 with hole 1,4 respectively, described CPU processing unit is used for the 1 conveying signal of telecommunication to the hole, from the hole 4 and binding post 7 receive the signals of telecommunication, judge that according to the source of the reception signal of telecommunication the current throwing of hard pressing plate moves back state, if the described signal of telecommunication that receives is to be transmitted by binding post 7, then judge the current input state that is in of hard pressing plate, if the described signal of telecommunication that receives is to be transmitted by hole 4, then judge the current exit status that is in of hard pressing plate.
Only set up the surveillance that comprises a hard pressing plate by above step, set up the system that all hard pressing plates of transformer station are monitored and also need following steps, as shown in Figure 7:
Step S4, each the described hard pressing plate on each each protection screen of power transformation substation is implemented described step S1-S2;
Step S5, be that the hard pressing plates of on each each protection screen of power transformation substation all are set up the described CPU processing unit that shares, and with described CPU processing unit with its under on the protection screen hole 1,4 of all hard pressing plates link to each other with binding post 7;
Step S6, set up the hard pressing plate status display unit of central station at central station, the throwing that the hard pressing plate status display unit of described central station is used for receiving each each each hard pressing plate of protection screen of power transformation substation that described CPU processing unit sends is moved back state information and state information is moved back in described throwing and shows;
The CPU processing unit of step S7, each each protection screen of power transformation substation that step S5 is set up links to each other with the Ethernet switch of this power transformation substation; the Ethernet switch of each power transformation substation is linked to each other with the Ethernet switch of central station, the central station Ethernet switch is linked to each other with the hard pressing plate status display unit of central station that step S6 sets up.
So far set up out the surveillance that all hard pressing plates of transformer station are monitored.
Adopt transforming plant protecting of the present invention to set up out transforming plant protecting of the present invention with hard pressing plate Long-Range Surveillance System with hard pressing plate Long-Range Surveillance System method for building up; be hardware foundation with this surveillance, use transforming plant protecting of the present invention and can realize each the hard pressing plate on each each protection screen of power transformation substation is carried out telemonitoring with hard pressing plate remote monitoring method.
Above-described the specific embodiment of the present invention, and the restriction that is not intended to limit the scope of the invention, but describe at possible embodiments of the present invention.Any based on the modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection range of the present invention.
Claims (4)
1. a transforming plant protecting is characterized in that with hard pressing plate remote monitoring method, comprises step:
Step R1, carry the signal of telecommunication to the hole 1 of hard pressing plate;
Step R2, receive the described signal of telecommunication from the hole 4 of hard pressing plate and binding post 7, if the described signal of telecommunication that receives is to be transmitted by binding post 7, then judge the current input state that is in of hard pressing plate, if the described signal of telecommunication that receives is to be transmitted by hole 4, then judge the current exit status that is in of hard pressing plate
Described hard pressing plate comprises base and cover plate, described base comprises hole 1, hole 2, hole 3, hole 4, hole 5, hole 6 and binding post 7, described cover plate comprise the conductive contact 2 corresponding with described hole 2, hole 3, hole 5, hole 6 ', conductive contact 3 ', conductive contact 5 ', conductive contact 6 ', when conductive contact 2 ', conductive contact 3 ', conductive contact 5 ', when conductive contact 6 ' difference patchhole 2, hole 3, hole 5, hole 6, described hard pressing plate is in the input state; When conductive contact 2 ', when conductive contact 3 ' difference patchhole 1, hole 4, described hard pressing plate is in exit status.
2. transforming plant protecting according to claim 1 is characterized in that with hard pressing plate remote monitoring method, also comprises:
Step R3, each the described hard pressing plate on each each protection screen of power transformation substation is implemented described step R1-R2;
Step R4, the result of determination of each the described hard pressing plate on each each protection screen of power transformation substation is sent to central station by power transformation substation Ethernet switch and central station Ethernet switch successively;
The described result of determination of each the described hard pressing plate on step R5, each each protection screen of power transformation substation that central station is received shows.
3. a transforming plant protecting is characterized in that with hard pressing plate Long-Range Surveillance System method for building up, comprises step:
Step S1, set up aperture 5, hole 6 and binding post 7 at the base of existing hard pressing plate, on the cover board set up the conductive contact 5 corresponding with described hole 5, hole 6 ', conductive contact 6 ';
Step S2, connect described hole 5 and hole 1, hole 6 and binding post 7, conductive contact 5 ' with conductive contact 6 ';
Step S3, set up the CPU processing unit, and with described CPU processing unit respectively with hole 1, hole 4 links to each other with binding post 7, described CPU processing unit is used for the 1 conveying signal of telecommunication to the hole, from the hole 4 and binding post 7 receive the signals of telecommunication, judge that according to the source of the reception signal of telecommunication the current throwing of hard pressing plate moves back state, if the described signal of telecommunication that receives is to be transmitted by binding post 7, then judge the current input state that is in of hard pressing plate, if the described signal of telecommunication that receives is to be transmitted by hole 4, then judge the current exit status that is in of hard pressing plate
Described existing hard pressing plate comprises base and cover plate, and described base comprises hole 1, hole 2, hole 3, hole 4, described cover plate comprise continuous conductive contact 2 ', conductive contact 3 '.
4. a transforming plant protecting is characterized in that with hard pressing plate Long-Range Surveillance System method for building up, comprises step:
Step R1, each the existing hard pressing plate on each each protection screen of power transformation substation is implemented following step S1-S2;
Step S1, set up aperture 5, hole 6 and binding post 7 at the base of existing hard pressing plate, on the cover board set up the conductive contact 5 corresponding with described hole 5, hole 6 ', conductive contact 6 ', described existing hard pressing plate comprises base and cover plate, described base comprises hole 1, hole 2, hole 3, hole 4, described cover plate comprise continuous conductive contact 2 ', conductive contact 3 ';
Step S2, connect described hole 5 and hole 1, hole 6 and binding post 7, conductive contact 5 ' with conductive contact 6 ';
Step R2, on each protection screen of each transformer station, set up the CPU processing unit respectively, and with described CPU processing unit respectively with this protection screen on the hole 1 of each hard pressing plate, hole 4 links to each other with binding post 7, described CPU processing unit is used for the 1 conveying signal of telecommunication to the hole, from the hole 4 and binding post 7 receive the signals of telecommunication, judge that according to the source of the reception signal of telecommunication the current throwing of hard pressing plate moves back state, if the described signal of telecommunication that receives is to be transmitted by binding post 7, then judge the current input state that is in of hard pressing plate, if the described signal of telecommunication that receives is to be transmitted by hole 4, then judge the current exit status that is in of hard pressing plate;
Step R3, set up the hard pressing plate status display unit of central station at central station, the throwing that the hard pressing plate status display unit of described central station is used for receiving each each each hard pressing plate of protection screen of power transformation substation that described CPU processing unit sends is moved back state information and state information is moved back in described throwing and shows;
Step R4, with described CPU processing unit with its under the Ethernet switch of power transformation substation link to each other, the Ethernet switch of each power transformation substation is linked to each other with the Ethernet switch of central station, the hard pressing plate status display unit of central station Ethernet switch and described central station is linked to each other.
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Families Citing this family (5)
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CN107394895A (en) * | 2017-08-14 | 2017-11-24 | 贵州电网有限责任公司 | A kind of hard pressing plate Long-Range Surveillance Unit of transforming plant protecting |
CN108471107B (en) * | 2018-04-17 | 2019-11-12 | 国网河南省电力公司电力科学研究院 | One kind is based on double mother partition mode of connection bus interval secondary anti-misoperation methods and device |
CN110224371B (en) * | 2019-05-21 | 2021-07-23 | 贵州电网有限责任公司 | Protection hard pressing plate with simultaneous throwing and withdrawing functions at outlet |
CN116388113B (en) * | 2023-06-06 | 2023-10-20 | 国网山西省电力公司超高压变电分公司 | Anti-misoperation monitoring system and method for relay protection hard pressing plate of transformer substation |
CN117937250B (en) * | 2023-12-11 | 2024-07-02 | 国网江苏省电力有限公司淮安供电分公司 | Electronic control hard pressing plate for transformer substation protection screen |
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BRPI0700838A (en) * | 2007-03-20 | 2008-11-04 | Eduardo Pedrosa Santos | system for data acquisition and multiplication of signaling and protection contacts in substation equipment and power plants and the like |
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CN201281581Y (en) * | 2008-09-23 | 2009-07-29 | 泰安慧致电子科技有限公司 | Pressure plate protecting position detecting device |
CN201514491U (en) * | 2009-09-28 | 2010-06-23 | 泉州科力电气有限公司 | Transformer substation protection pressure plate status monitoring system |
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Effective date of registration: 20160812 Address after: Luohu District Shenzhen Shennan Road 518000 No. 4020 Guangdong provincial power dispatching center building Patentee after: Shenzhen Power Supply Co.,Ltd. Address before: Luohu District Shenzhen Shennan Road 518001 No. 4020 in Guangdong Province Patentee before: SHENZHEN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID Corp. |