CN2921845Y - High voltage overhead transmission line isolator flashover point positioning and rod tower damaged alarming device - Google Patents

High voltage overhead transmission line isolator flashover point positioning and rod tower damaged alarming device Download PDF

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Publication number
CN2921845Y
CN2921845Y CN 200620008355 CN200620008355U CN2921845Y CN 2921845 Y CN2921845 Y CN 2921845Y CN 200620008355 CN200620008355 CN 200620008355 CN 200620008355 U CN200620008355 U CN 200620008355U CN 2921845 Y CN2921845 Y CN 2921845Y
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circuit
shaft tower
output terminal
data processor
input end
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张晓波
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张晓波
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Abstract

The utility model discloses a high voltage overhead transmission line isolator flashover point positioning and rod tower damaged alarming device, comprising an extension on each rod tower (1) arranged in a high voltage overhead transmission line, two hosts (31 and 32) arranged in duty rooms for power system staff at both ends of the power transmission line and a rod tower numbering detector (41) to be used by maintenance and repairs personnel. The input end of the flashover voltage collection line of the extension is fixed on the rod tower (1). Each extension is connected with the two hosts (31 and 32) and the rod tower numbering detector (41) respectively via chain radio data communication. The utility model has a reasonable structure, convenient for utilizing, can detect the flashover of the high voltage overhead transmission line insulator and the stealing action of the angle iron of the high voltage overhead transmission line tower, and transmit trouble information via the radio communication system equipped to the hosts and inform the working staff for troubleshooting, thereby improving the reliability of safety power supply of the power system.

Description

High pressure overhead power line insulator arc-over point location and shaft tower are decreased warning device
Technical field
The utility model relates to a kind of warning device, particularly a kind of warning device of can be in time high pressure overhead power line insulator arc-over point location and shaft tower being reported to the police by the damage situation.
Background technology
High-tension overhead line is the key link of electric energy transmitting in the electric system, exchange, adjusting and distribution.High pressure overhead power line is directly to be placed in the large natural environment; in thunderbolt; rain; mist; filthy; under the influence of internal factors such as extraneous factors such as chemical gas corrosion or switching overvoltage; insulator arc-over can take place in high pressure overhead power line; flashover can cause the damage of insulator in the high-tension overhead line; the damage of insulator can cause faults such as transmission line of electricity ground connection; and thereby transmission line of electricity ground connection can cause the tripping operation of relay protection of transmission line device action; make the circuit outage; seriously can cause large-area power-cuts, even the long-time stoppage in transit of part circuit may cause networked system ground off-the-line.Flashover causes after transmission line of electricity is stopped transport should in time search the insulator arc-over trouble spot, fixes a breakdown, and recovers the circuit operation.At present; judge whether to take place insulator arc-over and generally adopt dual mode: one; utilize fault filter and protective relaying device to record zero-sequence current and residual voltage in the high-tension overhead line; carrying out grounding fault point position calculates; artificial then trouble-shooting point, its weak point is: fault filter and protective relaying device are because of being subjected to factor affecting such as transition resistance, and the gained result is often accurate inadequately; make the work of artificial trouble-shooting point very difficult, need great amount of manpower and time.They are two years old, utilize current sensor senses to flow through the electric current of iron tower, detection obtains the big current signal of flashover, send the short message that comprise insulator arc-over position by digital communication GSM or data processing cdma communication net to being arranged on long-range main website through handling again, its weak point is: because of high pressure overhead power line distributes extensively geographical, it is remote to cross over distance, pass through with a varied topography, shaft tower is in the field, environment is abominable, unstable or do not have a network signal at some regional digital communication GSM or data processing cdma communication network signal, cause that failure message can not be transferred to main website when fault takes place, and transmission of Information needs the service support of Office of the Telecommunications Authority, and reliability is subjected to influence to a certain degree, and operating cost is higher.
In addition, high pressure overhead power line is supported lead, lightning conducter and other annexes with a plurality of shaft towers, makes lead, lightning conducter, shaft tower and lead keep the safe distance that allows each other to facilities such as ground, scissors crossing thing or other buildingss.At present, 110 kilovolts of high pressure overhead power lines of part reach more, and the shaft tower of voltage levels overhead transmission line adopts iron tower more, iron tower is the space truss with the hot-rolled angle steel assembling, because directly being placed on to remove in the large natural environment, it himself is subjected to the influence of extraneous factors such as physical environment, as strong wind, icing etc., also will bear outside the stress of lead and lightning conducter, the part angle steel that iron tower also can take place in some geographic areas is disassembled robber's incident.Because above-mentioned factor is decreased iron tower and can not be born design maximum stress because of recurring structure changes, and has buried hidden danger for the safe operation of circuit, the iron tower that also can cause of well damage collapses, the adverse consequences that causes the overhead transmission line paralysis to stop transport.At present, be to carry out line walking inspection or citizen's proactive notification by the electric system staff whether for iron tower by damage, both inconvenience can not be timely.
The utility model content
Technical problem to be solved in the utility model provides a kind of high pressure overhead power line insulator arc-over point location and shaft tower is decreased warning device, this device can not only detect the generation of high pressure overhead power line insulator arc-over and the generation that the high pressure overhead power line steel tower corner iron is stolen, and after insulator arc-over generation or steel tower corner iron pilferage generation, this device is transferred to main frame by the self radio communication system in time, reliably with failure message, carries out searching of fault by host notification electric system staff.
The utility model high pressure overhead power line insulator arc-over point location and shaft tower are decreased warning device, comprise being installed in the extension set on each shaft tower in the high pressure overhead power line, being arranged on two main frames at transmission line of electricity two ends electric system staff place on duty and the shaft tower numbering detector that uses for the maintainer; Wherein: the input end that the flashover voltage of extension set is gathered line is fixedly connected on the shaft tower, and each extension set is connected with shaft tower numbering detector with two main frames respectively by the chain type wireless data communications.
Adopt said structure, because two main frames and each extension set have been formed the chain type wireless data communication system, so when fault occurs on certain shaft tower, extension set on it sends to failure message respectively two extension sets that are adjacent, two extension sets carry out information analysis and analyzing and processing respectively, and carry out re-sending to behind the recompile two extension sets in addition that are adjacent and carry out information analysis, analyzing and processing and recompile more respectively, transmission mode successively is until the main frame that failure message is reached the circuit two ends.That is: the utility model can directly send high pressure overhead power line insulator arc-over point failure information by self communication system, thereby not only improved the accuracy of transmission fault information, also reduced the operating cost of high pressure overhead power line insulator arc-over point positioning system.
Above-mentioned extension set comprises flashover voltage collection line, vibration transducer, shaft tower vibration signal processing circuit, solar panel, power control circuit, accumulator, central data processor, arcing fault voltage treatment circuit, wireless data communications circuit and antenna; Two input ends that flashover voltage is gathered line are connected on the shaft tower, on gather line and gather the line formation difference in height that spaces out down, the output terminal that flashover voltage is gathered line connects the input end of arcing fault voltage treatment circuit; Vibration transducer is installed on the shaft tower, and the output terminal of vibration transducer is connected by the input end of signal transmssion line with shaft tower vibration signal processing circuit; Cell panel is fixed on the shaft tower, and the output terminal of cell panel connection power control circuit is a charge in batteries; Arcing fault voltage treatment circuit, power control circuit and the output terminal of shaft tower vibration signal processing circuit are connected with central data processor, the output terminal of power control circuit also is connected with shaft tower vibration signal processing circuit, central data processor is connected with the wireless data communications circuit is two-way, and the wireless data communications circuit also is connected with antenna with accumulator respectively.The integrated circuit of central data processor is AT89S52.
Described arcing fault voltage treatment circuit comprises electromagnetic coupled mutual inductor, overvoltage crowbar one, filtering circuit, rectification level amplitude limiter circuit, photoelectrical coupler one; The input end of electromagnetic coupled mutual inductor is connected with the output terminal that flashover voltage is gathered line; the output terminal of electromagnetic coupled mutual inductor is connected with the excess voltage protection input end that is made of current-limiting resistance R1 and voltage dependent resistor (VDR) RV; the LC filtering circuit input end that is made of inductance L, capacitor C, resistance R 2 and the output terminal of overvoltage crowbar are connected; the output terminal of filtering circuit is connected with rectification level amplitude limiter circuit; the input end of photoelectrical coupler one and rectification level amplitude limiter circuit are connected in parallel, and the output terminal of photoelectrical coupler one is connected with the interruption of central data processor 1 input end.The integrated circuit of photoelectrical coupler one is 4N25.
Described shaft tower vibration signal processing circuit comprises that overvoltage crowbar two, amplifying circuit, monostable detect delay circuit, photoelectrical coupler two; The input end of overvoltage crowbar two is connected with the output terminal of vibration transducer, the output terminal of overvoltage crowbar two detects delay circuit with amplifying circuit, monostable successively and is connected with photoelectrical coupler two, and the output terminal of photoelectrical coupler two is connected with the interruption of central data processor 2 input ends; Overvoltage crowbar two or two is made of voltage stabilizing diode VS2; the two poles of the earth of the output terminal of vibration sensor signal transmission line and voltage stabilizing diode VS2 series connection; amplifying circuit is made of triode BG1 and BG2; respectively through capacitor C 3 and C4 coupling; input amplifier and the parallel connection of voltage stabilizing diode VS2 same polarity; the output terminal of amplifying circuit is connected with the input end that monostable detects delay circuit; monostable detects delay circuit by integrated circuit; resistance R 12; capacitor C 5 and C6 constitute; the output terminal that monostable detects delay circuit is connected with the input end of photoelectrical coupler two, and the output terminal of photoelectrical coupler two is connected with the interruption of central data processor 2 input ends.The integrated circuit of photoelectrical coupler two is 4N25, and the integrated circuit that monostable detects delay circuit is ICM7555.
Can detect the generation of stealing shaft tower angle steel incident at any time because the shaft tower vibration signal detects treatment circuit, thereby improve the high pressure overhead power line reliability of operation.
Because flashover voltage is gathered two external terminals of line and is fixedly connected on the shaft tower, connection should not be become flexible, and dependable performance is with low cost.
Impact high voltage and lightning impulse high voltage because the electromagnetic coupled transformer can be isolated the transmission line of electricity flashover, thereby improved the reliability of flashover voltage signal processing circuit work.
Because two photoelectrical couplers can be isolated from flashover voltage signal processing circuit or shaft tower vibration signal processing circuit and be entered the undesired signal of central data processor, thereby have improved the central data processor functional reliability.
Can make when vibrating electrical signal amplitude for the first time and transfinite the back because monostable detects delay circuit, thereby guarantee that central data processor can finish the failure message coding smoothly and finish the data transmission by the wireless data communications circuit in the repeatedly down trigger of setting-up time inner screening vibration signal to central data processor.
Above-mentioned two main frames comprise wireless data communications circuit, computing machine, printer and the audible alarm that is mounted with antenna; Wireless data communications circuit and computing machine carry out bidirectional data communication, and computing machine is connected with audible alarm with printer respectively.
Described computing machine comprises serial communication controlling system, information parser, information-storing device, failure message total system, information scrambler and control operation device; The serial communication controlling system is connected with the failure message total system with information-storing device by information parser, the control operation device is connected with the information scrambler with the failure message total system respectively, and the information scrambler is connected with the serial communication controlling system.
Above-mentioned shaft tower numbering detector comprises wireless data communications circuit, central data processor, display screen, operation push-button circuit, power control circuit and the battery that is mounted with directional antenna; Operation push-button circuit, wireless data communications circuit and display screen are connected with central data processor respectively; Battery is given central data processor, wireless data communications circuit and display screen power supply respectively through power control circuit.
Described central data processor comprises interconnective information parser, data buffer, information scrambler.
In a word, the utility model high pressure overhead power line insulator arc-over point location and shaft tower are decreased warning device, and be rational in infrastructure, easy to use, improve the accuracy that sub-arcing fault of system insulation and shaft tower are decreased report, can improve the reliability of power system security power supply effectively.
Description of drawings
Fig. 1 is that the utility model high pressure overhead power line insulator arc-over point location and shaft tower are decreased warning device theory of constitution synoptic diagram;
Fig. 2 is that the circuit of extension set among Fig. 1 connects block diagram;
Fig. 3 is the electric elements connection diagram of arcing fault voltage treatment circuit and shaft tower vibration signal processing circuit among Fig. 2;
Fig. 4 is that the circuit of main frame among Fig. 1 connects block diagram;
Fig. 5 is that the circuit of shaft tower numbering detector among Fig. 1 connects block diagram.
Wherein: 1 shaft tower; 2 arcing fault voltage treatment circuits; 3 shaft tower vibration signal processing circuit; 31 main frames, 32 main frames; 41 shaft towers numbering detector; 201 antennas; 202 wireless data communications circuit; 203 central data processor; Gather line on 210; Gather line 211 times; 212 electromagnetic coupled transformers; 213 overvoltage crowbars one; 214 filtering circuits; 215 rectification level amplitude limiter circuits; 216 photoelectrical couplers one; 220 vibration transducers; 221 overvoltage crowbars two; 222 amplifying circuits; 223 monostables detect delay circuit; 224 photoelectrical couplers two; 30 computing machines; 301 serial communication controlling; 302 information parsers; 303 information-storing devices; 304 failure message total systems; 305 information scramblers; 306 control operation devices; 310 antennas; 311 alarms; 312 printers; 40 central data processor; 41 shaft towers numbering detector; 411 operation push-button circuit; 412 information coding; 413 wireless data communications circuit; 414 directional antennas; 415 information parsers; 416 data buffers; 417 display screens; 418 batteries; 419 power control circuits;
Embodiment
Below in conjunction with accompanying drawing the embodiment that the utility model high pressure overhead power line insulator arc-over point location and shaft tower are decreased warning device is described further.
By shown in Figure 1, the utility model high pressure overhead power line insulator arc-over point location and shaft tower are decreased warning device, comprise the shaft tower numbering detector 41 that is installed in the extension set on each shaft tower 1 in the high pressure overhead power line, the main frame 31 that is arranged on transmission line of electricity two ends electric system staff place on duty, main frame 32 and uses for the maintainer.Wherein: the input end that the flashover voltage of extension set is gathered line is fixedly connected on the shaft tower 1, and each extension set is connected with main frame 31, main frame 32 and shaft tower numbering detector 41 respectively by the chain type wireless data communications.
During work, each extension set both can be used to detect the generation of place shaft tower arcing fault and the generation that steel tower corner iron is stolen, form wireless chain type data communication system again, carry out the wireless relay transmission of fault information data, fault information data is reached two main frames to two ends respectively.That is: main frame 31, main frame 32 are installed in respectively in the operating room at high pressure overhead power line two ends, and No. 1 extension set 21, No. 2 extension sets 22, n-2 extension set 23, n-1 extension set 24, n extension set 5, n+1 extension set 26, n+2 extension set 27, m-1 extension set 28, m extension sets 29 are installed in respectively on the shaft tower 1 with its reference numeral.Two main frames 31,32 become the chain type wireless data communication system with each extension set group.During work, when if fault occurs on the n shaft tower, n extension set 25 is sent to failure message respectively n-1 extension set 24 and the n+126 extension set that is adjacent, n-1 extension set 24 receives failure message after be sent to the n-2 extension set 23 that is adjacent behind information analysis, analyzing and processing and the recompile, n+1 extension set 26 receives failure message after be sent to the n+2 extension set 27 that is adjacent behind information analysis, analyzing and processing and the recompile, until main frame 31 that failure message is reached the circuit two ends and main frame 32.Respond of the inquiry of the hand-held shaft tower numbering of maintainer detector when in addition, extension set also is used for the staff and need overhauls to the shaft tower numbering.
Main frame is used to resolve the failure message that receives, preserve all fault information data, show Trouble Report by display, by printer prints Trouble Report advice note, check Trouble Report by voice guard notice electric system person on duty after receiving failure message, Trouble Report comprises the geographic position of time, fault type, fault shaft tower numbering and fault shaft tower that fault takes place.Shaft tower numbering detector be used for the maintainer carry out line maintenance can be knowing more at a distance near when safeguarding the numbering of a certain appointment shaft tower, also be used to overhaul the forward direction extension set send instruction close finish for the detection of shaft tower vibration signal and maintenance after to of the detection of extension set transmission instruction unpack for the shaft tower vibration signal.
Shown in Fig. 2,3, gather line 210 and flashover voltage signal on the flashover voltage signal and gather the input end of line 211 down and be fastened on the shaft tower 1, when arcing fault takes place to produce fault current, electric current flow through shaft tower 1 and shaft tower 1 up and down 2 produce voltage differences.Gather the electromagnetic coupled transformer 212 in line output terminal 210, the 211 connection arcing fault voltage treatment circuits 2; overvoltage crowbar 1 is connected between electromagnetic coupled transformer 212 and the filtering circuit 214; rectification level amplitude limiter circuit 215 output terminals connect photoelectrical coupler 1, and photoelectrical coupler 1 is connected with central data processor 203.Installing vibration transducer 220 is connected with amplifying circuit 222 through overvoltage crowbar 2 221 on shaft tower 1.Amplifying circuit 222 output terminals detect delay circuit 223 through monostable and are connected with photoelectrical coupler 2 224.Photoelectrical coupler 2 224 is connected with MCU central data processor 203.Wireless data communications circuit 202 connects MCU central data processor 203 and antenna 201.It is accumulator 233 chargings that solar panel 231 connects power control circuit 232, accumulator 233 is that amplifying circuit 222, monostable detect delay circuit 223 power supplies by power control circuit 232, also is photoelectrical coupler 1, photoelectrical coupler 2 224, MCU central data processor 203 and 202 power supplies of wireless data communications circuit.
In the flashover voltage treatment circuit, be provided with electromagnetic coupled transformer 212, suppress flashover to a certain extent and impact high voltage and lightning impulse high voltage and enter connection circuit behind the extension set.Overvoltage crowbar 1 comprises current-limiting resistance R1 and voltage dependent resistor (VDR) RV, during high voltage by the device safety of connection circuit behind the R1 current limliting RV divided current.Filtering circuit 214 comprises the LC low-pass filter of being made up of inductance L, capacitor C 1, resistance R 2, because of the lightning current concentration of energy is distributed in about 100KHz, so, improve the sub-arcing fault report of system insulation accuracy by the fault misdescription that filtering circuit 214 can avoid thunder and lightning to cause.Rectification level amplitude limiter circuit 215 comprises commutation diode D1, filter capacitor C2, current-limiting resistance R3, current-limiting resistance R4, voltage stabilizing diode VS1, provides stable working current for photoelectrical coupler 1 when the insulator arc-over fault takes place.
In shaft tower vibration signal processing circuit, be provided with overvoltage crowbar 2 221; overvoltage crowbar 2 221 is made of voltage stabilizing diode VS2; voltage stabilizing diode VS2 is in parallel with amplifying circuit 222 input ends; the induction high voltage that shunting is introduced from vibration transducer 220, the operate as normal of protection amplifying circuit.Amplifying circuit is made of triode BG1 and BG2, through capacitor C 3 and C4 coupling input, the vibration electric signal is amplified respectively, and the inputted vibration signal that surpasses setting value for amplitude detects delay circuit 223 to monostable and triggers through amplifying circuit 222.Monostable detects delay circuit 223 and is made of integrated circuit (IC) M7555, resistance R 12, capacitor C 5 and C6, can vibration signal surpass setting value cause triggered the first time of monostable time delay testing circuit 223 after, in the triggering of other vibration signals of setting-up time inner screening to monostable time delay testing circuit 223, the monostable after triggering detects delay circuit 223 and provides working current for photoelectrical coupler 2 224.
The output terminal of photoelectrical coupler 1 and photoelectrical coupler 2 224 is connected with positive source through level pull-up resistor R5, R14 respectively, can be MCU central data processor 203 reliable and stable down trigger is provided, and isolate from the next undesired signal of the circuit of flashover voltage signal processing circuit and shaft tower vibration signal processing circuit, improve the functional reliability of MCU central data processor 203.
By shown in Figure 4, main frame 31/32 comprises wireless data communications circuit 202, alarm 311, printer 312 and the antenna 310 that is connected with wireless data communications circuit 202 that is connected with computing machine 30.Wireless data communications circuit 202 can receive and send wireless data information, and carries out bidirectional data communication with computing machine 30.Computing machine 30 is realized data transmission by serial communication controller 301 and wireless data communications circuit 202.Computing machine 30 receives failure message after 302 pairs of information of information parser are resolved, and the information after the parsing sends to information-storing device 303, and information-storing device 303 is handled sending to failure message total system 304 after the information stores.That is: 304 pairs of failure messages of failure message total system show, and are single by printer 312 print fault report information, send alarm sound by alarm 311, notify the generation of staff's fault.When the electric system staff need open and close extension set arcing fault measuring ability or shaft tower vibration signal measuring ability, send steering order by 306 pairs of main frames of control operation device, main frame is received the instruction back and is carried out the information coding by 305 pairs of different steering orders of information scrambler, and coded message sends to extension set by serial communication controller 301 by wireless data communications circuit 202.
By shown in Figure 5, shaft tower numbering detector comprises operation push-button circuit 411, central data processor 40, wireless data communications circuit 413, directional antenna 414, display screen 417, battery 418, power control circuit 419.Operation push-button circuit 411, wireless data communications circuit 413, display screen 417 are connected with information coding 412 in the central data processor 40 respectively.Directional antenna 414 is connected with wireless data communications circuit 413.Battery 418 powers for information coding 412, wireless data communications circuit 413, display screen 417 in the central data processor 40 through power control circuit 419.The maintainer carries out line maintenance, safeguarding need be near knowing during the numbering of a shaft tower more at a distance, directional antenna 414 is pointed to the shaft tower 1 of desiring number of queries, press the shaft tower numbering inquiry button of shaft tower numbering detector 41, operation push-button circuit 411 is given 40 1 interrupt trigger signals of central data processor, central data processor 40 responds encodes to operational order, points to the zone by wireless data communications circuit 413, directional antenna 414 to directional antenna 414 and sends this radio coding signal.After being directed the extension set reception of antenna 414 sensings, this extension set central data processor 40 is carried out information analysis, director data is handled, and replies to 41 1 groups of coded messages that comprise this shaft tower extension set numbering of shaft tower numbering detector by the wireless data communications circuit.The wireless data communications circuit 413 of shaft tower numbering detector 41 is sent to central data processor 40 with return information after receiving the return information that comprises shaft tower extension set numbering that extension set sends.Also be provided with information parser 415 and data buffer 416 in the central data processor 40, central data processor 40 can be with information analysis like this, and metadata cache is by the numbering of display screen 417 these shaft towers 1 of demonstration.Before the maintainer overhauls, safeguards shaft tower 1, need close when specifying extension set on the shaft tower 1 detection of shaft tower vibration signal, directional antenna 414 points to the shaft tower extension set of desiring to cut out, the vibration signal of pressing shaft tower numbering detector 41 detects and stops button, operation push-button circuit 411 is given 40 1 interrupt trigger signals of central data processor, central data processor 40 responds encodes to this operational order, points to the zone by wireless data communications circuit 413, directional antenna 414 to directional antenna 414 and sends this radio coding signal.After being directed the extension set reception radio coding signal of antenna 414 sensings, 40 pairs of these codings of this extension set central data processor carry out information analysis, director data is handled, and this extension set central data processor 40 is closed with the interrupting input end mouth that shaft tower vibration signal processing circuit 3 is connected.After central data processor 40 interruptive ports that are connected with shaft tower vibration signal processing circuit 3 are closed, this extension set central data processor 40 will no longer be accepted shaft tower vibration signal amplitude and surpass the caused down trigger of setting value, not can because of the staff to the maintenance of shaft tower, safeguard the mistake alarm that causes warning system.After the maintainer overhauls, safeguards shaft tower, when need to open specifying extension set on the shaft tower 1 to the detection of shaft tower vibration signal, directional antenna 414 points to the shaft tower extension set of desiring to cut out, the vibration signal of pressing shaft tower numbering detector 41 detects opens button, operation push-button circuit 411 is given 40 1 interrupt trigger signals of central data processor, central data processor 40 responds encodes to this operational order, points to the zone by wireless data communications circuit 413, directional antenna 414 to directional antenna 414 and sends this radio coding signal.After being directed the extension set reception radio coding signal of antenna 414 sensings, 40 pairs of these codings of this extension set central data processor carry out information analysis, director data is handled, and the interrupting input end mouth that this extension set central data processor 40 is connected with shaft tower vibration signal processing circuit 3 is opened.Extension set central data processor 40 is accepted the down trigger of shaft tower vibration signal processing circuit to central data processor 40 when shaft tower vibration signal amplitude surpasses setting value, extension set will carry out the failure message coding to this down trigger, by wireless data communications circuit and antenna transmission malfunction coding information.

Claims (9)

1. high pressure overhead power line insulator arc-over point location and shaft tower are decreased warning device, it is characterized in that: comprise being installed in the extension set on each shaft tower (1) in the high pressure overhead power line, be arranged on two main frames (31 at transmission line of electricity two ends electric system staff place on duty, 32) and for the shaft tower that the maintainer uses number detector (41), the input end that the flashover voltage of extension set is gathered line is fixedly connected on the shaft tower (1), described each extension set by the chain type wireless data communications respectively with two main frames (31,32) be connected with shaft tower numbering detector (41).
2. high pressure overhead power line insulator arc-over point location according to claim 1 and shaft tower are decreased warning device, it is characterized in that: described extension set comprises flashover voltage collection line (210,211), vibration transducer (220), shaft tower vibration signal processing circuit (3), cell panel (231), power control circuit (232), accumulator (233), central data processor (203), arcing fault voltage treatment circuit (2), wireless data communications circuit (202) and antenna (201); Two input ends that described flashover voltage is gathered line (210,211) are connected on the shaft tower (1), the output terminal that last collection line (210) and gather down line (211) the formation difference in height that spaces out, flashover voltage are gathered line (210,211) connects the input end of arcing fault voltage treatment circuit (2); Described vibration transducer (220) is installed on the shaft tower (1), and the output terminal of vibration transducer (220) is connected by the input end of signal transmssion line with shaft tower vibration signal processing circuit (3); Described cell panel (231) is fixed on the shaft tower (1), and the output terminal of cell panel (231) connection power control circuit (232) is accumulator (233) charging; The output terminal of described arcing fault voltage treatment circuit (2), power control circuit (232) and shaft tower vibration signal processing circuit (3) is connected with central data processor (203), the output terminal of power control circuit (232) also is connected with shaft tower vibration signal processing circuit (3), central data processor (203) and two-way connection of wireless data communications circuit (202), wireless data communications circuit (202) also are connected with antenna (201) with accumulator (233) respectively.
3. high pressure overhead power line insulator arc-over point location according to claim 2 and shaft tower are decreased warning device, it is characterized in that: described arcing fault voltage treatment circuit (2) comprises electromagnetic coupled mutual inductor (212), overvoltage crowbar one (213), filtering circuit (214), rectification level amplitude limiter circuit (215), photoelectrical coupler one (216); The input end of described electromagnetic coupled mutual inductor (212) and flashover voltage are gathered line (210; 211) output terminal connects; the output terminal of electromagnetic coupled mutual inductor (212) is connected with excess voltage protection (213) input end that is made of current-limiting resistance R1 and voltage dependent resistor (VDR) RV; by inductance L; capacitor C; LC filtering circuit (214) input end that resistance R 2 constitutes and the output terminal of overvoltage crowbar (213) are connected; the output terminal of filtering circuit (214) is connected with rectification level amplitude limiter circuit (215); the input end of photoelectrical coupler one (216) and rectification level amplitude limiter circuit (215) are connected in parallel, and interruption 1 input end of the output terminal of photoelectrical coupler one (216) and central data processor (203) is connected.
4. high pressure overhead power line insulator arc-over point location according to claim 2 and shaft tower are decreased warning device, it is characterized in that: described shaft tower vibration signal processing circuit (3) comprises that overvoltage crowbar two (221), amplifying circuit (222), monostable detect delay circuit (223), photoelectrical coupler two (224); The input end of described overvoltage crowbar two (221) is connected with the output terminal of vibration transducer (220), the output terminal of overvoltage crowbar two (221) detects delay circuit (223) with amplifying circuit (222), monostable successively and is connected with photoelectrical coupler two (224), and interruption 2 input ends of the output terminal of photoelectrical coupler two (224) and central data processor are connected; Overvoltage crowbar two (221) is made of voltage stabilizing diode VS2; the two poles of the earth of the output terminal of vibration transducer (220) signal transmssion line and voltage stabilizing diode VS2 series connection; amplifying circuit is made of triode BG1 and BG2; respectively through capacitor C 3 and C4 coupling; amplifying circuit (222) input end and the parallel connection of voltage stabilizing diode VS2 same polarity; the output terminal of amplifying circuit (222) is connected with the input end that monostable detects delay circuit (223); monostable detects delay circuit 223 by integrated circuit; resistance R 12; capacitor C 5 and C6 constitute; the output terminal that monostable detects delay circuit (223) is connected with the input end of photoelectrical coupler two (224), and interruption 2 input ends of the output terminal of photoelectrical coupler two (224) and central data processor (203) are connected.
5. decreased warning device according to claim 2 or 3 described high pressure overhead power line insulator arc-over point locations and shaft tower, it is characterized in that: described cell panel (231) is a solar panel, the integrated circuit of central data processor (203) is AT89S52, the integrated circuit of photoelectrical coupler one (216), photoelectrical coupler two (224) is 4N25, and the integrated circuit that monostable detects delay circuit (223) is ICM7555.
6. high pressure overhead power line insulator arc-over point location according to claim 1 and shaft tower are decreased warning device, it is characterized in that: described two main frames (31,32) comprise wireless data communications circuit (202), computing machine (30), printer (312) and the audible alarm (311) that is mounted with antenna (310), described wireless data communications circuit (202) carries out bidirectional data communication with computing machine (30), and computing machine (30) is connected with audible alarm (311) with printer (312) respectively.
7. high pressure overhead power line insulator arc-over point location according to claim 6 and shaft tower are decreased warning device, it is characterized in that: described computing machine (30) comprises serial communication controlling system (301), information parser (302), information-storing device (303), failure message total system (304), information scrambler (305) and control operation device (306), described serial communication controlling system (301) is connected with failure message total system (304) with information-storing device (303) by information parser (302), control operation device (306) is connected with information scrambler (305) with failure message total system (304) respectively, and information scrambler (305) is connected with serial communication controlling system (301).
8. high pressure overhead power line insulator arc-over point location according to claim 1 and shaft tower are decreased warning device, it is characterized in that: described shaft tower numbering detector (41) comprises the wireless data communications circuit (413) that is mounted with directional antenna (414), central data processor (40), display screen (417), operation push-button circuit (411), power control circuit (419) and battery (418), described operation push-button circuit (411), wireless data communications circuit (413) is connected with central data processor (40) respectively with display screen (417), and described battery (418) is given central data processor (40) respectively through power control circuit (419), wireless data communications circuit (413) and display screen (417) power supply.
9. high pressure overhead power line insulator arc-over point location according to claim 8 and shaft tower are decreased warning device, it is characterized in that: described central data processor (40) comprises interconnective information parser (415), data buffer (416), information scrambler (412).
CN 200620008355 2006-03-20 2006-03-20 High voltage overhead transmission line isolator flashover point positioning and rod tower damaged alarming device Expired - Fee Related CN2921845Y (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103499774A (en) * 2013-07-09 2014-01-08 贺贵明 Electricity transmission insulator arc-over on-line monitoring and safety early-warning device
CN104166078A (en) * 2014-08-15 2014-11-26 国家电网公司 Electric transmission line insulator arc-over point finding and tower security and protection alarming device
CN104459488A (en) * 2014-09-01 2015-03-25 国家电网公司 Insulator arc-over locating system used in GIS voltage withstanding process
CN105182171A (en) * 2015-10-29 2015-12-23 国网山东高唐县供电公司 Current leakage detection and alarming device for electric pole
CN106980068A (en) * 2017-04-12 2017-07-25 上海倍肯机电科技有限公司 Ultra-high-tension power transmission line fault location system and method based on wireless telecommunications relay
CN107390095A (en) * 2017-06-29 2017-11-24 国网电力科学研究院武汉南瑞有限责任公司 A kind of parallel connection gaps discharge monitoring device
CN108051703A (en) * 2017-12-10 2018-05-18 国网山东省电力公司潍坊供电公司 Overhead transmission line tripping sound positioner
CN110261711A (en) * 2019-08-06 2019-09-20 广东电网有限责任公司 A kind of faulty insulator localization method of GIS multiple-factor joint degradation platform

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103499774A (en) * 2013-07-09 2014-01-08 贺贵明 Electricity transmission insulator arc-over on-line monitoring and safety early-warning device
CN103499774B (en) * 2013-07-09 2016-03-02 武汉双微电气科技有限公司 Transmission of electricity insulator arc-over in-service monitoring safety early warning device
CN104166078A (en) * 2014-08-15 2014-11-26 国家电网公司 Electric transmission line insulator arc-over point finding and tower security and protection alarming device
CN104459488A (en) * 2014-09-01 2015-03-25 国家电网公司 Insulator arc-over locating system used in GIS voltage withstanding process
CN105182171A (en) * 2015-10-29 2015-12-23 国网山东高唐县供电公司 Current leakage detection and alarming device for electric pole
CN106980068A (en) * 2017-04-12 2017-07-25 上海倍肯机电科技有限公司 Ultra-high-tension power transmission line fault location system and method based on wireless telecommunications relay
CN107390095A (en) * 2017-06-29 2017-11-24 国网电力科学研究院武汉南瑞有限责任公司 A kind of parallel connection gaps discharge monitoring device
CN108051703A (en) * 2017-12-10 2018-05-18 国网山东省电力公司潍坊供电公司 Overhead transmission line tripping sound positioner
CN110261711A (en) * 2019-08-06 2019-09-20 广东电网有限责任公司 A kind of faulty insulator localization method of GIS multiple-factor joint degradation platform

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