CN103412179B - Charge indicator of high-voltage power transmission line - Google Patents

Charge indicator of high-voltage power transmission line Download PDF

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Publication number
CN103412179B
CN103412179B CN201310375506.6A CN201310375506A CN103412179B CN 103412179 B CN103412179 B CN 103412179B CN 201310375506 A CN201310375506 A CN 201310375506A CN 103412179 B CN103412179 B CN 103412179B
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China
Prior art keywords
transmission line
power transmission
outfan
switch
electrically
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CN201310375506.6A
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CN103412179A (en
Inventor
张辉宇
黄锐
杨明举
毛龙飞
陈博
彭朝刚
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State Grid Corp of China SGCC
Dazu Power Supply Co of State Grid Chongqing Electric Power Co Ltd
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State Grid Corp of China SGCC
Dazu Power Supply Co of State Grid Chongqing Electric Power Co Ltd
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Abstract

A kind of charge indicator of high-voltage power transmission line provided by the invention, including being arranged at that ultra-high-tension power transmission line obtains the power taking unit of electric energy by induction mode from ultra-high-tension power transmission line, input electrically connects with the outfan of described power taking unit for the adjustment unit exporting galvanic current and the indicating member for ultra-high-tension power transmission line carries out charged instruction electrically connected with described adjustment unit outfan;Charge indicator of high-voltage power transmission line provided by the invention, carries out the power supply of whole device by isolating the mode of power taking, contactless with high-voltage line, it is to avoid potential safety hazard;Can be explicitly indicated whether charged ultra-high-tension power transmission line is, and when ultra-high-tension power transmission line breaks down, send fault message in time, and can indicate that the position occurred of being out of order, make maintainer's purposiveness in maintenance process strong, it is simple to fix a breakdown in time, improve work efficiency, save manpower。

Description

Charge indicator of high-voltage power transmission line
Technical field
The present invention relates to a kind of charge indicating device, particularly relate to a kind of charge indicator of high-voltage power transmission line。
Background technology
Ultra-high-tension power transmission line is the transmission line of electricity that the electric energy that power plant produces is transferred to electricity consumption destination farther out, adopts the mode of high pressure, is beneficial to the use reducing electric energy loss and conductor material。
Ultra-high-tension power transmission line is in the process of transmission electric energy, impact due to external environment, time and be short-circuited or without electricity etc. fault, production and life to electricity consumption destination adversely affect, discharge for the fault of transmission line of electricity at present all adopts the mode searched piecemeal along transmission line of electricity, this mode, and efficiency is extremely inefficient, aggravate negative effect electricity consumption destination being produced and living and waste of manpower;On the other hand, to the maintenance of transmission line of electricity time, it is impossible to whether clear and definite circuit is charged, so brings great potential safety hazard to maintainer。
It is, therefore, desirable to provide a kind of charge indicator of high-voltage power transmission line, it is possible to it is explicitly indicated whether charged ultra-high-tension power transmission line is, it is simple to fix a breakdown in time when ultra-high-tension power transmission line breaks down, improves work efficiency, save manpower。
Summary of the invention
A kind of charge indicator of high-voltage power transmission line provided by the invention, it is possible to be explicitly indicated whether charged ultra-high-tension power transmission line is, it is simple to fix a breakdown in time when ultra-high-tension power transmission line breaks down, improve work efficiency, save manpower。
A kind of charge indicator of high-voltage power transmission line provided by the invention, including being arranged at that ultra-high-tension power transmission line obtains the power taking unit of electric energy by induction mode from ultra-high-tension power transmission line, input electrically connects with the outfan of described power taking unit for the adjustment unit exporting galvanic current and the indicating member for ultra-high-tension power transmission line carries out charged instruction electrically connected with described adjustment unit outfan;
Further, described adjustment unit includes the current conversion module electrically connected with described power taking unit outfan and the rectification circuit electrically connected with described current conversion module outfan, and the input of described indicating member electrically connects with the outfan of described rectification circuit;
Further, also include the energy storage Alarm Unit with described rectification circuit output end, described energy storage Alarm Unit includes energy-storage module and controls module, one end of described energy-storage module electrically connects with the outfan of described rectification circuit, other end ground connection, described control module is arranged between described rectification circuit and instruction power supply, for controlling the break-make of indicating member supply line;
Further, energy-storage module is storage capacitor C1;
Further, described control module includes the current sensor of the electric current for detecting rectification circuit output end, central processing unit, first switch K1 and warning circuit, the signal output part of described current sensor is connected with the input of central processing unit, described warning circuit includes second switch K2, resistance R2 and light emitting diode D2, one end of described resistance R2 is electrically connected to the outfan of rectification circuit and the points of common connection of storage capacitor C1 by second switch K2, the other end is electrically connected to the positive pole of described light emitting diode D2, the minus earth of described light emitting diode D2, described first switch K1 is arranged between rectification circuit and indicating member, described central processing unit switchs K1 and second switch K2 to first respectively and sends control instruction;
Further, described energy storage Alarm Unit also includes warning information sending module, described warning information sending module includes the 3rd switch K3, amplifying circuit and wireless signal transmission circuit, the input of described amplifying circuit switchs K3 by the 3rd and is electrically connected to the outfan of rectification circuit and the points of common connection of storage capacitor C1, outfan and wireless signal transmission circuit electrical connection, the warning signal input of described radio transmitter electrically connects with the outfan of central processing unit, and the control signal that described 3rd switch K3 receives central processing unit controls the supply access of amplifying circuit;
Further, described indicating member includes resistance R1 and light emitting diode D1, and one end of described resistance R1 is electrically connected to described first on-off circuit, and the other end is electrically connected to the positive pole of light emitting diode D1, the minus earth of light emitting diode D1;
Further, described rectification circuit output end is additionally provided with diode D3, the positive electrical of described diode D3 is connected to the outfan of rectification circuit, negative pole switchs K1 with described first and electrically connects, and the negative pole of described diode D3 is as the points of common connection of described storage capacitor C1, the energization input of central processing unit, the input of amplifying circuit, second switch K2, the 3rd switch K3 and the first switch K1;
Further, described power taking unit is iron core and induction coil;
Further, described current conversion module is current transformer。
Beneficial effects of the present invention: charge indicator of high-voltage power transmission line provided by the invention, carries out the power supply of whole device by isolating the mode of power taking, contactless with high-voltage line, it is to avoid potential safety hazard;Can be explicitly indicated whether charged ultra-high-tension power transmission line is, and when ultra-high-tension power transmission line breaks down, send fault message in time, and can indicate that the position occurred of being out of order, make maintainer's purposiveness in maintenance process strong, it is simple to fix a breakdown in time, improve work efficiency, save manpower;Can patrol and examine in the routine of maintainer and process plays charged warning function, it is to avoid maintainer occurs that maloperation causes security incident。
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the structural representation of the present invention。
Detailed description of the invention
Fig. 1 is the structural representation of the present invention, as shown in the figure, a kind of charge indicator of high-voltage power transmission line provided by the invention, including be arranged at ultra-high-tension power transmission line 1 by induction mode obtains the power taking unit of electric energy from ultra-high-tension power transmission line 1, input electrically connects with the outfan of described power taking unit for the adjustment unit exporting galvanic current and the indicating member for ultra-high-tension power transmission line 1 carries out charged instruction electrically connected with described adjustment unit outfan;Charge indicator of high-voltage power transmission line provided by the invention, carries out the power supply of whole device by isolating the mode of power taking, contactless with high-voltage line, it is to avoid potential safety hazard;Can be explicitly indicated whether charged ultra-high-tension power transmission line is, and when ultra-high-tension power transmission line breaks down, send fault message in time, and can indicate that the position occurred of being out of order, make maintainer's purposiveness in maintenance process strong, it is simple to fix a breakdown in time, improve work efficiency, save manpower;Can patrol and examine in the routine of maintainer and process plays charged warning function, it is to avoid maintainer occurs that maloperation causes security incident。
In the present embodiment, described adjustment unit includes the current conversion module 7 electrically connected with described power taking unit outfan and the rectification circuit 8 electrically connected with described current conversion module 7 outfan, and the input of described indicating member electrically connects with the outfan of described rectification circuit 8;Described current conversion module 7 is current transformer, it is possible to big electric current is converted to small area analysis, it is to avoid each circuit of rear end is burned out。
In the present embodiment, also include and the energy storage Alarm Unit of described rectification circuit 8 outfan, described energy storage Alarm Unit includes energy-storage module and controls module, one end of described energy-storage module electrically connects with the outfan of described rectification circuit 8, other end ground connection, described control module is arranged between described rectification circuit 8 and instruction power supply, for controlling the break-make of indicating member supply line;Energy-storage module is storage capacitor C1(and super capacitor), described storage capacitor C1 ultra-high-tension power transmission line 1 break down and without electricity after as power supply use。
In the present embodiment, described control module includes the current sensor 9 of the electric current for detecting rectification circuit 8 outfan, central processing unit 6, first switch K1 and warning circuit, the signal output part of described current sensor 9 is connected with the input of central processing unit 6, described warning circuit includes second switch K2, resistance R2 and light emitting diode D2, one end of described resistance R2 is electrically connected to the outfan of rectification circuit 8 and the points of common connection of storage capacitor C1 by second switch K2, the other end is electrically connected to the positive pole of described light emitting diode D2, the minus earth of described light emitting diode D2, described first switch K1 is arranged between rectification circuit 8 and indicating member, described central processing unit switchs K1 and second switch K2 to first respectively and sends control instruction, described central processing unit is single-chip microcomputer。
In the present embodiment, described energy storage Alarm Unit also includes warning information sending module, described warning information sending module includes the 3rd switch K3, amplifying circuit 5 and wireless signal transmission circuit 4, the input of described amplifying circuit 5 switchs K3 by the 3rd and is electrically connected to the outfan of rectification circuit 8 and the points of common connection of storage capacitor C1, outfan and wireless signal transmission circuit 4 electrically connect, the warning signal input of described radio transmitter 8 electrically connects with the outfan of central processing unit 6, the control signal that described 3rd switch K3 receives central processing unit 6 controls the supply access of amplifying circuit。
In the present embodiment, described indicating member includes resistance R1 and light emitting diode D1, and one end of described resistance R1 is electrically connected to described first switch K1, and the other end is electrically connected to the positive pole of light emitting diode D1, the minus earth of light emitting diode D1;Described light emitting diode D1 is as charged instruction, and described light emitting diode D2, as indicating fault, adopts different colors, it is simple to identify。
In the present embodiment, described rectification circuit output end is additionally provided with diode D3, play buffer action, avoid when ultra-high-tension power transmission line is without electricity, during storage capacitor C1 electric discharge, the sense of current is flowed in rectification circuit, the positive electrical of described diode D3 is connected to the outfan of rectification circuit, negative pole switchs K1 with described first and electrically connects, and the negative pole of described diode D3 is as described storage capacitor C1, the energization input of central processing unit, the input of amplifying circuit, second switch K2, the points of common connection of the 3rd switch K3 and the first switch K1, described first switch K1, second switch K2 and the 3rd switch K3 is on-off circuit, for prior art, do not repeat them here, controlled by central processing unit, and first switch K1 be closed type, disconnect when ultra-high-tension power transmission line breaks down, described second switch K2 and the 3rd switch K3 is open type, when closing when ultra-high-tension power transmission line breaks down。
In the present embodiment, described power taking unit is iron core 2 and induction coil 3, by the contactless power taking of power taking unit, it is to avoid contact with high-voltage line and cause security incident。
The operation principle of the present invention:
When ultra-high-tension power transmission line is working properly, light emitting diode D1 is luminous to show that ultra-high-tension power transmission line is normal, and now, second switch K2 and the three switchs K3 and disconnect, and central processing unit receives the signal of current sensor, does not export control instruction。
When ultra-high-tension power transmission line is without electricity (after namely breaking down), the non-inductive electric current output of induction coil, now, current sensor detects that rectification circuit does not have electric current to export, now, central processing unit output control signal, on the one hand, the first switch K1 is made to disconnect, light emitting diode D1 extinguishes, on the other hand, make second switch K2 and the 3rd switch K3 Guan Bi, now central processing unit, light emitting diode and wireless signal transmission circuit are powered by storage capacitor C1, central processing unit presets position and the coding information of this device, and it is transmitted into Surveillance center by wireless transmitting unit, after Surveillance center receives information, carry out confirming and send staff to go to alert locations to overhaul, and central processing unit sends information can set the time as the 10-30 second, after arriving the setting time, output control instruction disconnects the 3rd switch K3, use with saves energy light emitting diode D2 altogether。
After ultra-high-tension power transmission line failture evacuation, induction coil has faradic current to export, current sensor output induced signal, and central processing unit output order disconnects second switch K2, and makes the first switch K1 re-close, and light emitting diode D1 luminescence carries out charged instruction。
What finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail with reference to preferred embodiment, it will be understood by those within the art that, technical scheme can be modified or equivalent replacement, without deviating from objective and the scope of technical solution of the present invention, it all should be encompassed in the middle of scope of the presently claimed invention。

Claims (7)

1. a charge indicator of high-voltage power transmission line, it is characterised in that: include being arranged at that ultra-high-tension power transmission line obtains the power taking unit of electric energy by induction mode from ultra-high-tension power transmission line, input electrically connects with the outfan of described power taking unit for the adjustment unit exporting galvanic current and the indicating member for ultra-high-tension power transmission line carries out charged instruction electrically connected with described adjustment unit outfan;
Also include the energy storage Alarm Unit being connected with described adjustment unit outfan, described energy storage Alarm Unit includes energy-storage module and controls module, one end of described energy-storage module electrically connects with the outfan of described adjustment unit, other end ground connection, described control module is arranged between described adjustment unit and indicating member, for controlling the break-make of indicating member supply line;Energy-storage module is storage capacitor C1;
Described control module includes the current sensor of the electric current for detecting adjustment unit outfan, central processing unit, first switch K1 and warning circuit, the signal output part of described current sensor is connected with the input of central processing unit, described warning circuit includes second switch K2, resistance R2 and light emitting diode D2, one end of described resistance R2 is electrically connected to the outfan of adjustment unit and the points of common connection of storage capacitor C1 by second switch K2, the other end is electrically connected to the positive pole of described light emitting diode D2, the minus earth of described light emitting diode D2, described first switch K1 is arranged between adjustment unit and indicating member, described central processing unit switchs K1 and second switch K2 to first respectively and sends control instruction。
2. charge indicator of high-voltage power transmission line according to claim 1, it is characterised in that: described adjustment unit includes the current conversion module electrically connected with described power taking unit outfan and the rectification circuit electrically connected with described current conversion module outfan。
3. charge indicator of high-voltage power transmission line according to claim 2, it is characterized in that: described energy storage Alarm Unit also includes warning information sending module, described warning information sending module includes the 3rd switch K3, amplifying circuit and wireless signal transmission circuit, the input of described amplifying circuit switchs K3 by the 3rd and is electrically connected to the outfan of rectification circuit and the points of common connection of storage capacitor C1, outfan and wireless signal transmission circuit electrical connection, the warning signal input of described wireless signal transmission circuit electrically connects with the outfan of central processing unit, the control signal that described 3rd switch K3 receives central processing unit controls the supply access of amplifying circuit。
4. charge indicator of high-voltage power transmission line according to claim 3, it is characterized in that: described indicating member includes resistance R1 and light emitting diode D1, one end of described resistance R1 is electrically connected to described first switch K1, the other end is electrically connected to the positive pole of light emitting diode D1, the minus earth of light emitting diode D1。
5. charge indicator of high-voltage power transmission line according to claim 4, it is characterized in that: described rectification circuit output end is additionally provided with diode D3, the positive electrical of described diode D3 is connected to the outfan of rectification circuit, negative pole switchs K1 with described first and electrically connects, and the negative pole of described diode D3 is as the points of common connection of described storage capacitor C1, the energization input of central processing unit, second switch K2, the 3rd switch K3 and the first switch K1。
6. charge indicator of high-voltage power transmission line according to claim 5, it is characterised in that: described power taking unit is iron core and induction coil。
7. charge indicator of high-voltage power transmission line according to claim 6, it is characterised in that: described current conversion module is current transformer。
CN201310375506.6A 2013-08-26 2013-08-26 Charge indicator of high-voltage power transmission line Active CN103412179B (en)

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CN105092939B (en) * 2015-07-27 2017-12-29 国家电网公司 A kind of sound type wireless high-voltage detection means
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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
CN107247177B (en) * 2017-07-31 2020-05-19 国网辽宁省电力有限公司丹东供电公司 Remote control distribution network electricity testing and grounding wire detection 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
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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

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