CN103412179A - Charge indicator of high-voltage power transmission line - Google Patents
Charge indicator of high-voltage power transmission line Download PDFInfo
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- CN103412179A CN103412179A CN2013103755066A CN201310375506A CN103412179A CN 103412179 A CN103412179 A CN 103412179A CN 2013103755066 A CN2013103755066 A CN 2013103755066A CN 201310375506 A CN201310375506 A CN 201310375506A CN 103412179 A CN103412179 A CN 103412179A
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Abstract
The invention provides a charge indicator of a high-voltage power transmission line. The charge indicator comprises an electricity obtaining unit, an adjusting unit and an indicating unit, wherein the electricity obtaining unit is arranged on the high-voltage power transmission line and obtains electricity from the high-voltage power transmission line in a sensing mode, the input end of the adjusting unit is electrically connected with the output end of the electricity obtaining unit, the adjusting unit is used for outputting stable direct-current electricity, and the indicating unit is electrically connected with the output end of the adjusting unit and is used for charge indication of the high-voltage power transmission line. According to the charge indicator of the high-voltage power transmission line, the whole device is powered up in an isolating electricity obtaining mode, the charge indicator has no contacts with the high-voltage power transmission line, and safety potential risks are avoided. The charge indicator can clearly indicate that whether the high-voltage power transmission line is charged or not, can send out fault information timely when the high-voltage power transmission line has a fault, can indicate the position where the fault appears, enables overhaul personnel to have a strong purpose in the overhaul process, facilitates timely elimination of the fault, improves work efficiency, and saves manpower.
Description
Technical field
The present invention relates to a kind of charge indicating device, relate in particular to a kind of ultra-high-tension power transmission line charge indicating device.
Background technology
Ultra-high-tension power transmission line is the delivery of electrical energy that generating plant produces to be arrived to the transmission line of electricity of electricity consumption destination far away, adopts the mode of high pressure, is beneficial to the use that reduces electric energy loss and conductor material.
Ultra-high-tension power transmission line is in the process of electric energy transmitting, impact due to external environment, the time and be short-circuited or without faults such as electricity, production and life to the electricity consumption destination cause negative effect, the mode of searching piecemeal along transmission line of electricity is all adopted in the discharge of current fault for transmission line of electricity, and this mode, efficiency are very low, the negative effect that aggravation is produced and lived the electricity consumption destination, and waste of manpower; On the other hand, during to the maintenance of transmission line of electricity, can not clear and definite circuit whether charged, to the maintainer, bring great potential safety hazard like this.
Therefore, need to propose a kind of ultra-high-tension power transmission line charge indicating device, can clearly indicate whether charged ultra-high-tension power transmission line is, be convenient to fix a breakdown in time when ultra-high-tension power transmission line breaks down, increase work efficiency, save manpower.
Summary of the invention
A kind of ultra-high-tension power transmission line charge indicating device provided by the invention, can clearly indicate whether charged ultra-high-tension power transmission line is, is convenient to fix a breakdown in time when ultra-high-tension power transmission line breaks down, and increases work efficiency, and saves manpower.
A kind of ultra-high-tension power transmission line charge indicating device provided by the invention, comprise be arranged at ultra-high-tension power transmission line by induction mode from ultra-high-tension power transmission line obtain the power taking unit of electric energy, the galvanic adjustment unit for stable output that input end is electrically connected to the output terminal of described power taking unit and with described adjustment unit output terminal, be electrically connected to for ultra-high-tension power transmission line being carried out to the indicating member of charged indication;
Further, described adjustment unit comprises the current conversion module be electrically connected to described power taking unit output terminal and the rectification circuit be electrically connected to described current conversion module output terminal, and the input end of described indicating member is electrically connected to the output terminal of described rectification circuit;
Further, also comprise the energy storage Alarm Unit with described rectification circuit output end, described energy storage Alarm Unit comprises energy-storage module and control module, one end of described energy-storage module is electrically connected to the output terminal of described rectification circuit, other end ground connection, described control module is arranged between described rectification circuit and indication power supply, be used to controlling the break-make of indicating member supply line;
Further, energy-storage module is storage capacitor C1;
Further, described control module comprises the current sensor for detection of the electric current of rectification circuit output end, central processing unit, the first K switch 1 and warning circuit, the signal output part of described current sensor is connected with the input end of central processing unit, described warning circuit comprises second switch K2, resistance R 2 and light emitting diode D2, one end of described resistance R 2 is electrically connected on the output terminal of rectification circuit and the points of common connection of storage capacitor C1 by second switch K2, the other end is electrically connected on the positive pole of described light emitting diode D2, the minus earth of described light emitting diode D2, described the first K switch 1 is arranged between rectification circuit and indicating member, described central processing unit is respectively to the first K switch 1 and second switch K2 sending controling instruction,
Further, described energy storage Alarm Unit also comprises the warning information sending module, described warning information sending module comprises the 3rd K switch 3, amplifying circuit and wireless signal transmission circuit, the input end of described amplifying circuit is electrically connected on the output terminal of rectification circuit and the points of common connection of storage capacitor C1 by the 3rd K switch 3, output terminal and wireless signal transmission circuit are electrically connected to, the alarm signal input end of described radio transmitter is electrically connected to the output terminal of central processing unit, the control signal that described the 3rd K switch 3 receives central processing unit is controlled the supply access of amplifying circuit,
Further, described indicating member comprises resistance R 1 and light emitting diode D1, and an end of described resistance R 1 is electrically connected on described the first on-off circuit, and the other end is electrically connected on the positive pole of light emitting diode D1, the minus earth of light emitting diode D1;
Further, described rectification circuit output end also is provided with diode D3, the positive pole of described diode D3 is electrically connected on the output terminal of rectification circuit, negative pole is electrically connected to described the first K switch 1, and the negative pole of described diode D3 is as the points of common connection of input end, second switch K2, the 3rd K switch 3 and first K switch 1 for electrical input, amplifying circuit of described storage capacitor C1, central processing unit;
Further, described power taking unit is iron core and inductive coil;
Further, described current conversion module is current transformer.
Beneficial effect of the present invention: ultra-high-tension power transmission line charge indicating device provided by the invention, by the mode of isolation power taking, carry out the power supply of whole device, contactless with hi-line, avoid potential safety hazard; Can clearly indicate whether charged ultra-high-tension power transmission line is, and when ultra-high-tension power transmission line breaks down, send in time failure message, and can indicate the position that fault occurs, make maintainer's purpose in maintenance process strong, be convenient to fix a breakdown in time, increase work efficiency, save manpower; Can in maintainer's routine is patrolled and examined process, play charged warning function, avoid the maintainer maloperation to occur and cause security incident.
The accompanying drawing explanation
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is structural representation of the present invention.
Embodiment
Fig. 1 is structural representation of the present invention, as shown in the figure, a kind of ultra-high-tension power transmission line charge indicating device provided by the invention, comprise that being arranged at ultra-high-tension power transmission line 1 obtains the power taking unit of electric energy, the galvanic adjustment unit for stable output that input end is electrically connected to the output terminal of described power taking unit and the indicating member for ultra-high-tension power transmission line 1 is carried out to charged indication be electrically connected to described adjustment unit output terminal by induction mode from ultra-high-tension power transmission line 1; Ultra-high-tension power transmission line charge indicating device provided by the invention, carry out the power supply of whole device by the mode of isolation power taking, contactless with hi-line, avoids potential safety hazard; Can clearly indicate whether charged ultra-high-tension power transmission line is, and when ultra-high-tension power transmission line breaks down, send in time failure message, and can indicate the position that fault occurs, make maintainer's purpose in maintenance process strong, be convenient to fix a breakdown in time, increase work efficiency, save manpower; Can in maintainer's routine is patrolled and examined process, play charged warning function, avoid the maintainer maloperation to occur and cause security incident.
In the present embodiment, described adjustment unit comprises the current conversion module 7 be electrically connected to described power taking unit output terminal and the rectification circuit 8 be electrically connected to described current conversion module 7 output terminals, and the input end of described indicating member is electrically connected to the output terminal of described rectification circuit 8; Described current conversion module 7 is current transformer, can be little electric current by large current conversion, avoids each circuit of rear end to be burnt.
In the present embodiment, also comprise the energy storage Alarm Unit with described rectification circuit 8 output terminals, described energy storage Alarm Unit comprises energy-storage module and control module, one end of described energy-storage module is electrically connected to the output terminal of described rectification circuit 8, other end ground connection, described control module is arranged between described rectification circuit 8 and indication power supply, be used to controlling the break-make of indicating member supply line; Energy-storage module is that storage capacitor C1(is super capacitor), described storage capacitor C1 breaks down and as power supply, uses after without electricity at ultra-high-tension power transmission line 1.
In the present embodiment, described control module comprises the current sensor 9 for detection of the electric current of rectification circuit 8 output terminals, central processing unit 6, the first K switch 1 and warning circuit, the signal output part of described current sensor 9 is connected with the input end of central processing unit 6, described warning circuit comprises second switch K2, resistance R 2 and light emitting diode D2, one end of described resistance R 2 is electrically connected on the output terminal of rectification circuit 8 and the points of common connection of storage capacitor C1 by second switch K2, the other end is electrically connected on the positive pole of described light emitting diode D2, the minus earth of described light emitting diode D2, described the first K switch 1 is arranged between rectification circuit 8 and indicating member, described central processing unit is respectively to the first K switch 1 and second switch K2 sending controling instruction, described central processing unit is single-chip microcomputer.
In the present embodiment, described energy storage Alarm Unit also comprises the warning information sending module, described warning information sending module comprises the 3rd K switch 3, amplifying circuit 5 and wireless signal transmission circuit 4, the input end of described amplifying circuit 5 is electrically connected on the output terminal of rectification circuit 8 and the points of common connection of storage capacitor C1 by the 3rd K switch 3, output terminal and wireless signal transmission circuit 4 are electrically connected to, the alarm signal input end of described radio transmitter 8 is electrically connected to the output terminal of central processing unit 6, the control signal that described the 3rd K switch 3 receives central processing unit 6 is controlled the supply access of amplifying circuit.
In the present embodiment, described indicating member comprises resistance R 1 and light emitting diode D1, and an end of described resistance R 1 is electrically connected on described the first K switch 1, and the other end is electrically connected on the positive pole of light emitting diode D1, the minus earth of light emitting diode D1; Described light emitting diode D1 is as charged indication, and described light emitting diode D2, as indicating fault, adopts different colors, is convenient to identification.
In the present embodiment, described rectification circuit output end also is provided with diode D3, play buffer action, avoid when ultra-high-tension power transmission line during without electricity, during storage capacitor C1 electric discharge, direction of current flow in rectification circuit, the positive pole of described diode D3 is electrically connected on the output terminal of rectification circuit, negative pole is electrically connected to described the first K switch 1, and the negative pole of described diode D3 is as described storage capacitor C1, the confession electrical input of central processing unit, the input end of amplifying circuit, second switch K2, the points of common connection of the 3rd K switch 3 and the first K switch 1, described the first K switch 1, second switch K2 and the 3rd K switch 3 are on-off circuit, for prior art, do not repeat them here, controlled by central processing unit, and the first K switch 1 is closed type, when breaking down, ultra-high-tension power transmission line disconnects, described second switch K2 and the 3rd K switch 3 are open type, when closure when ultra-high-tension power transmission line breaks down.
In the present embodiment, described power taking unit is iron core 2 and inductive coil 3, by the contactless power taking in power taking unit, avoids contacting with hi-line and causes security incident.
Principle of work of the present invention:
When ultra-high-tension power transmission line was working properly, light emitting diode D1 was luminous to show that ultra-high-tension power transmission line is normal, and now, second switch K2 and the 3rd K switch 3 disconnect, and the signal of central processing unit received current sensor, do not export steering order.
When ultra-high-tension power transmission line without the electricity (after namely breaking down), the non-inductive electric current output of inductive coil, now, current sensor detects rectification circuit does not have electric current output, now, central processing unit output control signal, on the one hand, the first K switch 1 is disconnected, light emitting diode D1 extinguishes, on the other hand, make second switch K2 and the 3rd K switch 3 closures, central processing unit now, light emitting diode and wireless signal transmission circuit are powered by storage capacitor C1, central processing unit presets position and the coded message of this device, and be transmitted into Surveillance center by wireless transmitting unit, after Surveillance center receives information, confirm and send the staff to go to the alert locations maintenance, and but central processing unit transmission information setting-up time is 10-30 second, after arriving setting-up time, the output steering order disconnects the 3rd K switch 3, with saves energy light emitting diode D2 use altogether.
After the ultra-high-tension power transmission line fault was got rid of, inductive coil had induction current output, current sensor output induced signal, the central processing unit output order, disconnect second switch K2, and make the first K switch 1 again closed, light emitting diode D1 is luminous carries out charged indication.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. ultra-high-tension power transmission line charge indicating device is characterized in that: comprise be arranged at ultra-high-tension power transmission line by induction mode from ultra-high-tension power transmission line obtain the power taking unit of electric energy, the galvanic adjustment unit for stable output that input end is electrically connected to the output terminal of described power taking unit and with described adjustment unit output terminal, be electrically connected to for ultra-high-tension power transmission line being carried out to the indicating member of charged indication.
2. ultra-high-tension power transmission line charge indicating device according to claim 1, it is characterized in that: described adjustment unit comprises the current conversion module be electrically connected to described power taking unit output terminal and the rectification circuit be electrically connected to described current conversion module output terminal, and the input end of described indicating member is electrically connected to the output terminal of described rectification circuit.
3. ultra-high-tension power transmission line charge indicating device according to claim 2, it is characterized in that: also comprise the energy storage Alarm Unit with described rectification circuit output end, described energy storage Alarm Unit comprises energy-storage module and control module, one end of described energy-storage module is electrically connected to the output terminal of described rectification circuit, other end ground connection, described control module is arranged between described rectification circuit and indication power supply, be used to controlling the break-make of indicating member supply line.
4. ultra-high-tension power transmission line charge indicating device according to claim 3, it is characterized in that: energy-storage module is storage capacitor C1.
5. ultra-high-tension power transmission line charge indicating device according to claim 4, it is characterized in that: described control module comprises the current sensor for detection of the electric current of rectification circuit output end, central processing unit, the first K switch 1 and warning circuit, the signal output part of described current sensor is connected with the input end of central processing unit, described warning circuit comprises second switch K2, resistance R 2 and light emitting diode D2, one end of described resistance R 2 is electrically connected on the output terminal of rectification circuit and the points of common connection of storage capacitor C1 by second switch K2, the other end is electrically connected on the positive pole of described light emitting diode D2, the minus earth of described light emitting diode D2, described the first K switch 1 is arranged between rectification circuit and indicating member, described central processing unit is respectively to the first K switch 1 and second switch K2 sending controling instruction.
6. ultra-high-tension power transmission line charge indicating device according to claim 5, it is characterized in that: described energy storage Alarm Unit also comprises the warning information sending module, described warning information sending module comprises the 3rd K switch 3, amplifying circuit and wireless signal transmission circuit, the input end of described amplifying circuit is electrically connected on the output terminal of rectification circuit and the points of common connection of storage capacitor C1 by the 3rd K switch 3, output terminal and wireless signal transmission circuit are electrically connected to, the alarm signal input end of described radio transmitter is electrically connected to the output terminal of central processing unit, the control signal that described the 3rd K switch 3 receives central processing unit is controlled the supply access of amplifying circuit.
7. ultra-high-tension power transmission line charge indicating device according to claim 6, it is characterized in that: described indicating member comprises resistance R 1 and light emitting diode D1, one end of described resistance R 1 is electrically connected on described the first on-off circuit, the other end is electrically connected on the positive pole of light emitting diode D1, the minus earth of light emitting diode D1.
8. ultra-high-tension power transmission line charge indicating device according to claim 7, it is characterized in that: described rectification circuit output end also is provided with diode D3, the positive pole of described diode D3 is electrically connected on the output terminal of rectification circuit, negative pole is electrically connected to described the first K switch 1, and the negative pole of described diode D3 is as the points of common connection of input end, second switch K2, the 3rd K switch 3 and first K switch 1 for electrical input, amplifying circuit of described storage capacitor C1, central processing unit.
9. ultra-high-tension power transmission line charge indicating device according to claim 8, it is characterized in that: described power taking unit is iron core and inductive coil.
10. ultra-high-tension power transmission line charge indicating device according to claim 9, it is characterized in that: described current conversion module is current transformer.
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| CN201310375506.6A CN103412179B (en) | 2013-08-26 | 2013-08-26 | Charge indicator of high-voltage power transmission line |
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| CN201310375506.6A CN103412179B (en) | 2013-08-26 | 2013-08-26 | Charge indicator of high-voltage power transmission line |
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| CN103412179B CN103412179B (en) | 2016-06-22 |
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Cited By (12)
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|---|---|---|---|---|
| CN104237604A (en) * | 2014-08-28 | 2014-12-24 | 国家电网公司 | Current monitoring warning device for overhead transmission line |
| CN105092939A (en) * | 2015-07-27 | 2015-11-25 | 国家电网公司 | Sound-type wireless high voltage detection apparatus |
| CN105717418A (en) * | 2016-01-20 | 2016-06-29 | 长沙群瑞电子科技有限公司 | High voltage power transmission line indicator |
| CN106908651A (en) * | 2015-12-23 | 2017-06-30 | 上海新岸线电子技术有限公司 | A kind of induction type surveys method for electrically and surveys electric installation |
| CN107247177A (en) * | 2017-07-31 | 2017-10-13 | 国网辽宁省电力有限公司丹东供电公司 | Remote control distribution electrical verification and ground wire detector |
| CN108776257A (en) * | 2018-08-10 | 2018-11-09 | 珠海优特电力科技股份有限公司 | High-voltage electriferous display locking device |
| CN109379019A (en) * | 2018-10-15 | 2019-02-22 | 浙江工业大学 | A kind of energy mix acquisition and memory system under high voltage overhead lines |
| CN109782131A (en) * | 2019-01-28 | 2019-05-21 | 浙江工业大学 | A kind of near-earth formula self-powered overhead transmission line fault detection means |
| CN110658422A (en) * | 2018-06-29 | 2020-01-07 | Abb瑞士股份有限公司 | Fail-safe retrofit kit for partial discharge monitoring system and pre-installed Voltage Indication System (VIS) |
| CN110672909A (en) * | 2019-10-31 | 2020-01-10 | 国家电网有限公司 | OPGW (optical fiber composite overhead ground wire) line live indication power-off prompting system based on induction power taking |
| CN112180451A (en) * | 2020-08-18 | 2021-01-05 | 神华新能源有限责任公司 | Induction type electricity testing device |
| CN112595881A (en) * | 2020-11-26 | 2021-04-02 | 国网天津市电力公司 | Test line electrification indicator and test line assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106908651A (en) * | 2015-12-23 | 2017-06-30 | 上海新岸线电子技术有限公司 | A kind of induction type surveys method for electrically and surveys electric installation |
| CN105717418A (en) * | 2016-01-20 | 2016-06-29 | 长沙群瑞电子科技有限公司 | High voltage power transmission line indicator |
| CN107247177A (en) * | 2017-07-31 | 2017-10-13 | 国网辽宁省电力有限公司丹东供电公司 | Remote control distribution electrical verification and ground wire detector |
| CN110658422A (en) * | 2018-06-29 | 2020-01-07 | Abb瑞士股份有限公司 | Fail-safe retrofit kit for partial discharge monitoring system and pre-installed Voltage Indication System (VIS) |
| CN108776257A (en) * | 2018-08-10 | 2018-11-09 | 珠海优特电力科技股份有限公司 | High-voltage electriferous display locking device |
| CN108776257B (en) * | 2018-08-10 | 2024-04-09 | 珠海优特电力科技股份有限公司 | High-voltage electrified display locking device |
| CN109379019A (en) * | 2018-10-15 | 2019-02-22 | 浙江工业大学 | A kind of energy mix acquisition and memory system under high voltage overhead lines |
| CN109782131A (en) * | 2019-01-28 | 2019-05-21 | 浙江工业大学 | A kind of near-earth formula self-powered overhead transmission line fault detection means |
| CN110672909A (en) * | 2019-10-31 | 2020-01-10 | 国家电网有限公司 | OPGW (optical fiber composite overhead ground wire) line live indication power-off prompting system based on induction power taking |
| CN110672909B (en) * | 2019-10-31 | 2022-04-12 | 国家电网有限公司 | OPGW (optical fiber composite overhead ground wire) line live indication power-off prompting system based on induction power taking |
| CN112180451A (en) * | 2020-08-18 | 2021-01-05 | 神华新能源有限责任公司 | Induction type electricity testing device |
| CN112595881A (en) * | 2020-11-26 | 2021-04-02 | 国网天津市电力公司 | Test line electrification indicator and test line assembly |
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