CN204789726U - High -voltage line electric current sensing detecting system of long -range energy supply based on optic fibre - Google Patents
High -voltage line electric current sensing detecting system of long -range energy supply based on optic fibre Download PDFInfo
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- CN204789726U CN204789726U CN201520509804.4U CN201520509804U CN204789726U CN 204789726 U CN204789726 U CN 204789726U CN 201520509804 U CN201520509804 U CN 201520509804U CN 204789726 U CN204789726 U CN 204789726U
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- 239000000835 fiber Substances 0.000 title claims abstract description 11
- 229940052961 longrange Drugs 0.000 title abstract 2
- 230000003287 optical effect Effects 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 230000008054 signal transmission Effects 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 13
- 239000013307 optical fiber Substances 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
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Abstract
The utility model discloses a high -voltage line electric current sensing detecting system of long -range energy supply based on optic fibre, including current sensor, current drive module, optical emitter, photoelectric conversion module, voltage regulator module, the distance host that is equipped with light signal demodulation module and high -power light source, current sensor links to each other with current drive module, current drive module meets with the optical emitter, the optical emitter is connected with light signal demodulation module in the distance host through light signal transmission optic fibre, high -power light source is connected through energy supply optic fibre and photoelectric conversion module, the photoelectric conversion module is connected with voltage regulator module, voltage regulator module links to each other with current drive module, the utility model discloses it is fast that the messenger uses up signal transmission, and the distortion rate is low, is fit for teletransmission, owing to take remote control terminal's light source to give the power supply of local sensing end through energy supply optic fibre, the high -voltage line of instant local sensing end has broken down, still can guarantee local sensing and rectify normal work.
Description
Technical field
The utility model relates to technical field of electric power detection, particularly relates to a kind of hi-line electric power sensing and detecting system of the long-range energy supply based on optical fiber.
Background technology
At present, the method of opening detection electric current in electric system is a lot, there is electromagnetic field couples detection method, as conventional be current transformer to realize indirect detection, and when remote detection electric current, be all generally adopt local sensor ends current electrical signal to be directly transferred to remote control terminal, and the power supply of local sensor ends directly power taking on the spot, cause like this: 1, long-distance transmissions electric signal, electric signal loss is large, the easy distortion of the current electrical signal to remote control terminal; If short circuit appears in the pressure-wire of 2 body sensor ends, the device powers down in local sensor ends can be caused, and cannot detect.
Utility model content
The technical problems to be solved in the utility model is: during remote detection electric current, general is all adopt local sensor ends that current electrical signal is directly transferred to remote control terminal, and the power supply of local sensor ends directly power taking on the spot, cause like this: 1, long-distance transmissions electric signal, electric signal loss is large, the easy distortion of the current electrical signal to remote control terminal; If short circuit appears in the pressure-wire of 2 body sensor ends, the device powers down in local sensor ends can be caused, and cannot detect.
In order to overcome the above problems, the technical scheme that the utility model is taked is: based on the hi-line current sense detection system of the long-range energy supply of optical fiber, comprise local sensor ends and remote control terminal, described local sensor ends comprises current sensor, electric current driver module, optical transmitting set, photoelectric conversion module and voltage regulator module; Described remote control terminal comprises the distance host and high power light source that are provided with optical signal demodulation module, described current sensor is connected with electric current driver module, described electric current driver module connects with optical transmitting set, described optical transmitting set is by the optical signal demodulation model calling in optical signal transmission fiber and distance host, described high power light source is connected with photoelectric conversion module by energy supply optical fiber, described photoelectric conversion module is connected with voltage regulator module, and described voltage regulator module is connected with electric current driver module.
Further, described current sensor adopts electronic type current sensor.
Further, described optical transmitting set adopts low-power, low threshold current laser instrument or LED.
Compared with prior art, the beneficial effects of the utility model are: convert current electrical signal to light signal, remote control terminal is being transferred to by optical signal transmission fiber, optical signal transmission speed is fast, and distortion rate is low, be applicable to remote transmission, powered to local sensor ends by energy supply optical fiber owing to taking the light source of remote control terminal, the hi-line of instant local sensor ends has broken down, and still can ensure that local sensor ends normally works.
Accompanying drawing explanation
Fig. 1, structural representation of the present utility model.
Wherein 1, current sensor 2, electric current driver module 3, optical transmitting set 4, optical signal transmission fiber 5, optical signal demodulation module 6, distance host 7, high power light source 8, energy supply optical fiber 9, photoelectric conversion module 10, voltage regulator module.
Embodiment
By reference to the accompanying drawings, embodiment of the present utility model is described in detail.
As Fig. 1, based on the hi-line current sense detection system of the long-range energy supply of optical fiber, comprise local sensor ends and remote control terminal, described local sensor ends comprises current sensor 1, electric current driver module 2, optical transmitting set 3, photoelectric conversion module 9 and voltage regulator module 10; Described remote control terminal comprises the distance host 6 and high power light source 7 that are provided with optical signal demodulation mould 5 pieces, described current sensor 1 is connected with electric current driver module 2, described electric current driver module 2 connects with optical transmitting set 3, described optical transmitting set 3 is connected with the optical signal demodulation module 5 in distance host 6 by optical signal transmission fiber 4, described high power light source 7 is connected with photoelectric conversion module 9 by energy supply optical fiber 8, described photoelectric conversion module 9 is connected with voltage regulator module 10, and described voltage regulator module 10 is connected with electric current driver module 2 and is that it is powered.Preferably, described current sensor can adopt electronic type current sensor, and described optical transmitting set adopts low-power, low threshold current laser instrument or LED.
Principle of work: current electrical signal is transferred to electric current driver module by current sensor, and utilize electric current driver module to drive optical transmitting set, current electrical signal is converted to electric current light signal, optical signal demodulation module is transferred to by optical signal transmission fiber, be reduced into current electrical signal, and distance host carries out process detection, on the other hand, large power supply is passed by energy supply optical fiber and luminous energy is transferred to photoelectric conversion module, luminous energy is converted to power supply by photoelectric conversion module, and power supply is adjusted to the power supply of applicable drive current module by voltage regulator module, the equipment all to local sensor ends is powered.
Claims (3)
1. based on the hi-line current sense detection system of the long-range energy supply of optical fiber, it is characterized in that, comprise local sensor ends and remote control terminal, described local sensor ends comprises current sensor, electric current driver module, optical transmitting set, photoelectric conversion module and voltage regulator module; Described remote control terminal comprises the distance host and high power light source that are provided with optical signal demodulation module, described current sensor is connected with electric current driver module, described electric current driver module connects with optical transmitting set, described optical transmitting set is by the optical signal demodulation model calling in optical signal transmission fiber and distance host, described high power light source is connected with photoelectric conversion module by energy supply optical fiber, described photoelectric conversion module is connected with voltage regulator module, and described voltage regulator module is connected with electric current driver module.
2. as claimed in claim 1 based on the hi-line current sense detection system of the long-range energy supply of optical fiber, it is characterized in that, described current sensor adopts electronic type current sensor.
3. as described in claim 1 or 2 based on the hi-line current sense detection system of the long-range energy supply of optical fiber, it is characterized in that, described optical transmitting set adopts low-power, low threshold current laser instrument or LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520509804.4U CN204789726U (en) | 2015-07-14 | 2015-07-14 | High -voltage line electric current sensing detecting system of long -range energy supply based on optic fibre |
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| CN201520509804.4U CN204789726U (en) | 2015-07-14 | 2015-07-14 | High -voltage line electric current sensing detecting system of long -range energy supply based on optic fibre |
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| CN204789726U true CN204789726U (en) | 2015-11-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991105A (en) * | 2015-07-14 | 2015-10-21 | 国家电网公司 | Remote-energy-supply high-voltage line current sensing detection system based on optical fiber |
| CN108132420A (en) * | 2017-12-08 | 2018-06-08 | 中国南方电网有限责任公司超高压输电公司南宁局 | A kind of portable string mends sensor detecting device |
-
2015
- 2015-07-14 CN CN201520509804.4U patent/CN204789726U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991105A (en) * | 2015-07-14 | 2015-10-21 | 国家电网公司 | Remote-energy-supply high-voltage line current sensing detection system based on optical fiber |
| CN108132420A (en) * | 2017-12-08 | 2018-06-08 | 中国南方电网有限责任公司超高压输电公司南宁局 | A kind of portable string mends sensor detecting device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gao Shengyu Inventor after: Pan Rong Inventor after: Lu Yi Inventor after: Zhang Chengxian Inventor after: Qian Hongwei Inventor after: Zhou Hao Inventor after: Gao Fei Inventor after: Zhang Lei Inventor after: Yu Wei Inventor after: Dan Ming Inventor after: Wang Yongqiang Inventor after: Chen Defeng Inventor after: Tu Yue Inventor after: Zhang Shouyu Inventor after: Liu Xiaodong Inventor after: Gu Chengyang Inventor after: Li Hongze Inventor after: Wang Guangming Inventor after: Wang Chunning Inventor after: Zhang Tao Inventor after: Xue Hengsong Inventor before: Gao Shengyu Inventor before: Pan Rong Inventor before: Lu Yi Inventor before: Zhang Chengxian Inventor before: Qian Hongwei Inventor before: Chen Defeng Inventor before: Liu Xiaodong Inventor before: Gu Chengyang Inventor before: Li Hongze Inventor before: Wang Guangming Inventor before: Wang Chunning Inventor before: Zhang Tao Inventor before: Xue Hengsong |
|
| COR | Change of bibliographic data | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Nanjing City, Jiangsu province 210019 Olympic Avenue No. 1 Patentee after: Nanjing Power Supply Co., Jiangsu Prov. Power Co. Patentee after: State Grid Corporation of China Patentee after: Jiangsu Electric Power Company Patentee after: Nanjing Suyi Industrial Co., Ltd. Patentee after: Shanghai Bohui Communication Technology Co., Ltd. Address before: Nanjing City, Jiangsu province 210019 Olympic Avenue No. 1 Patentee before: State Grid Corporation of China Patentee before: Jiangsu Electric Power Company Patentee before: Nanjing Power Supply Co., Jiangsu Prov. Power Co. Patentee before: Nanjing Suyi Industrial Co., Ltd. Patentee before: Shanghai Bohui Communication Technology Co., Ltd. |