CN202757987U - Ultrahigh voltage transmission line online intelligent comprehensive monitoring system - Google Patents
Ultrahigh voltage transmission line online intelligent comprehensive monitoring system Download PDFInfo
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- CN202757987U CN202757987U CN201220385724.9U CN201220385724U CN202757987U CN 202757987 U CN202757987 U CN 202757987U CN 201220385724 U CN201220385724 U CN 201220385724U CN 202757987 U CN202757987 U CN 202757987U
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Abstract
The utility model discloses an ultrahigh voltage transmission line online intelligent comprehensive monitoring system which comprises a host, a current detection system and a distributed optical fiber online temperature measuring system. Current transformers of the current detection system are distributed at a cable terminal and a cable connector. The power cables at the cable terminal and the cable connector are grounded through the current transformers. Each current transformer is connected with a corresponding acquisition device. Sensing optical cables of the distributed optical fiber online temperature measuring system are embedded into the power cables. The sensing optical cables are connected with an optical fiber transceiver. The optical fiber transceiver is connected with a photoelectric conversion circuit. The photoelectric conversion circuit is connected with a temperature measuring host. The temperature measuring host is connected with the host through a communication system. The distributed optical fiber online temperature measuring system provided by the utility model can monitor the temperature of a conductor and the dynamic current carrying capacity of the cables in real time and can acquire grounded current in real time, thus the online intelligent comprehensive monitoring and management of a power transmission system are realized, the labor is saved, and the detection accuracy and the management efficiency are improved.
Description
Technical field
The utility model relates to a kind of extra high voltage network on-line intelligence comprehensive monitor system.
Background technology
At present, the high-voltage fence operation is intelligent at the early-stage, also do not form a whole set of science on-line monitoring methods, the management of electrical power transmission system and the mode of detection are also very original, often by manual patrol and image data, this not only needs to expend a large amount of human resources, and is in remote field environment at some transmission line of electricity, manual patrol and image data are very difficult, and data statistics and plant maintenance are difficult to carry out.
The utility model content
The purpose of this utility model is to overcome above shortcomings in the prior art, and a kind of reasonable in design is provided, makes things convenient for the extra high voltage network on-line intelligence comprehensive monitor system of management and the detection of electrical power transmission system.
The technical scheme in the invention for solving the above technical problem is: this extra high voltage network on-line intelligence comprehensive monitor system, it is characterized in that: comprise main frame, current detecting system and distribution type fiber-optic In-Line Temperature Measure System, described current detecting system comprises harvester, current transformer, the communications cable, current transformer is distributed in cable termination, the cable splice place, cable termination, the power cable at cable splice place is by current transformer ground connection, current transformer everywhere connects corresponding harvester, harvester is connected with main frame by the communications cable, and main frame also is connected with client by communication system; The distribution type fiber-optic In-Line Temperature Measure System comprises sensing optic cable, photoelectric switching circuit, fiber optical transceiver and thermometric main frame, described sensing optic cable adopts multimode optical fiber, sensing optic cable is implanted in the power cable, sensing optic cable connects fiber optical transceiver, fiber optical transceiver connects photoelectric switching circuit, photoelectric switching circuit connects the thermometric main frame, and the thermometric main frame connects main frame by communication system.
The distribution type fiber-optic In-Line Temperature Measure System, can Real-Time Monitoring cable surface temperature, Joint Temperature and cable termination temperature, main frame is enough to be sent to concentrated client with Monitoring Data by fiber optic network, and can carry out modeling analysis by client, calculate the dynamic current-carrying capacity of conductor temperature and cable.By current transformer and collector, can the Real-time Collection ground current.Report to the police with convenient temperature and the ground current absolute value realized, namely when reaching a predefined threshold values, temperature reports to the police, realize the warning of connector temperature and ground current rate of change, namely possesses unit interval connector temperature variation monitoring, realize real-time storing information, can carry out the inquiry of historical data and contrast, warning message printing etc., realize the analysis of shield circulating current real-time curve, the trouble spot is assessed.
The communications cable described in the utility model adopts the RS-485 bus.
Main frame described in the utility model also is connected with the note cat.Realize unmanned, warning message and duty can send note to related personnel's hand by the short message cat.
Sensing optic cable described in the utility model adopts the multimode optical fiber of 50/125 μ m.The multimode optical fiber of 50/125 μ m is very responsive to temperature variation, can produce different temperature when cable moves, and the temperature rise meeting of cable increases along with the increase of power load, and optical fiber has the decay that changes in various degree.
Communication system described in the utility model adopts Fiber Optical Communication System.
The utility model compared with prior art, have the following advantages and effect: the distribution type fiber-optic In-Line Temperature Measure System, can Real-Time Monitoring cable surface temperature, Joint Temperature and cable termination temperature, main frame is enough to be sent to concentrated client with Monitoring Data by fiber optic network, and can carry out modeling analysis by client, calculate the dynamic current-carrying capacity of conductor temperature and cable.By current transformer and collector, can the Real-time Collection ground current, thus realized electrical power transmission system on-line intelligence comprehensive monitoring and management, saved the labour, improved accuracy of detection and the efficiency of management.
Description of drawings
Fig. 1 is the current detecting system schematic diagram of the utility model embodiment.
Fig. 2 is the distribution type fiber-optic In-Line Temperature Measure System schematic diagram of the utility model embodiment.
Fig. 3 is the scheme of installation of the current transformer of the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and by embodiment, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Referring to Fig. 1 to Fig. 3, the present embodiment extra high voltage network on-line intelligence comprehensive monitor system, comprise main frame 1, current detecting system and distribution type fiber-optic In-Line Temperature Measure System, current detecting system comprises harvester 2, current transformer 3, the communications cable 4, current transformer 3 is distributed in cable termination 5, cable splice 6 places, cable termination 5, the power cable at cable splice 6 places is by current transformer 3 ground connection, current transformer 3 everywhere connects corresponding harvester 2, harvester 2 is connected connection by the communications cable 4 with main frame, main frame 1 also is connected with client 7 by communication system; The distribution type fiber-optic In-Line Temperature Measure System comprises sensing optic cable 8, photoelectric switching circuit 9, fiber optical transceiver 10 and thermometric main frame 11, sensing optic cable 8 adopts multimode optical fiber, sensing optic cable 8 is implanted in the power cable 12, sensing optic cable 8 connects fiber optical transceiver 10, fiber optical transceiver 10 connects photoelectric switching circuit 9, photoelectric switching circuit 9 connects thermometric main frame 11, and thermometric main frame 11 connects main frame 1 by communication system.Main frame 1 is connected with the note cat.
The communications cable 8 adopts the RS-485 bus in the present embodiment.Sensing optic cable 8 adopts the multimode optical fiber of 50/125 μ m.Communication system adopts Fiber Optical Communication System.
In addition, need to prove, the specific embodiment described in this instructions, the shape of its parts and components, institute's title of being named etc. can be different, and the above content described in this instructions only is to the explanation of the utility model structure example.Allly conceive equivalence variation or the simple change that described structure, feature and principle are done according to the utility model patent, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (5)
1. extra high voltage network on-line intelligence comprehensive monitor system, it is characterized in that: comprise main frame, current detecting system and distribution type fiber-optic In-Line Temperature Measure System, described current detecting system comprises harvester, current transformer, the communications cable, current transformer is distributed in cable termination, cable splice place, the power cable at cable termination, cable splice place is by current transformer ground connection, current transformer everywhere connects corresponding harvester, harvester is connected with main frame by the communications cable, and main frame also is connected with client by communication system; The distribution type fiber-optic In-Line Temperature Measure System comprises sensing optic cable, photoelectric switching circuit, fiber optical transceiver and thermometric main frame, described sensing optic cable adopts multimode optical fiber, sensing optic cable is implanted in the power cable, sensing optic cable connects fiber optical transceiver, fiber optical transceiver connects photoelectric switching circuit, photoelectric switching circuit connects the thermometric main frame, and the thermometric main frame connects main frame by communication system.
2. extra high voltage network on-line intelligence comprehensive monitor system according to claim 1, it is characterized in that: described main frame also is connected with the note cat.
3. extra high voltage network on-line intelligence comprehensive monitor system according to claim 1 is characterized in that: described communications cable employing RS-485 bus.
4. extra high voltage network on-line intelligence comprehensive monitor system according to claim 1, it is characterized in that: described sensing optic cable adopts the multimode optical fiber of 50/125 μ m.
5. extra high voltage network on-line intelligence comprehensive monitor system according to claim 1 is characterized in that: described communication system employing Fiber Optical Communication System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220385724.9U CN202757987U (en) | 2012-08-06 | 2012-08-06 | Ultrahigh voltage transmission line online intelligent comprehensive monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220385724.9U CN202757987U (en) | 2012-08-06 | 2012-08-06 | Ultrahigh voltage transmission line online intelligent comprehensive monitoring system |
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| Publication Number | Publication Date |
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| CN202757987U true CN202757987U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220385724.9U Expired - Lifetime CN202757987U (en) | 2012-08-06 | 2012-08-06 | Ultrahigh voltage transmission line online intelligent comprehensive monitoring system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399226A (en) * | 2013-07-29 | 2013-11-20 | 中海石油（中国）有限公司天津分公司 | Monitoring device and monitoring method for current capacity of maritime platform cable |
| WO2014161476A1 (en) * | 2013-04-02 | 2014-10-09 | 国家电网公司 | Analysis system and calculation method of current-carrying capacity of cable based on linear temperature-sensing technology |
| CN104101815A (en) * | 2014-07-24 | 2014-10-15 | 国家电网公司 | High tension transmission line comprehensive tester and testing method |
| CN104266778A (en) * | 2014-09-11 | 2015-01-07 | 深圳供电局有限公司 | Remote dynamic cable group wire core temperature monitoring system |
| CN109870197A (en) * | 2019-03-29 | 2019-06-11 | 山东呈祥电气有限公司 | A kind of intelligent power cable pipeline |
| CN109921362A (en) * | 2019-03-13 | 2019-06-21 | 清华四川能源互联网研究院 | A kind of intelligent electric power fitting for transmission line of electricity on-line monitoring |
| CN111044935A (en) * | 2019-12-31 | 2020-04-21 | 苏州华电电气股份有限公司 | Multipoint grounding live detection device for transformer core |
| CN112964301A (en) * | 2021-02-09 | 2021-06-15 | 广东电网有限责任公司 | Monitoring method, device, system, equipment and storage medium of power pipeline |
-
2012
- 2012-08-06 CN CN201220385724.9U patent/CN202757987U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014161476A1 (en) * | 2013-04-02 | 2014-10-09 | 国家电网公司 | Analysis system and calculation method of current-carrying capacity of cable based on linear temperature-sensing technology |
| CN103399226A (en) * | 2013-07-29 | 2013-11-20 | 中海石油（中国）有限公司天津分公司 | Monitoring device and monitoring method for current capacity of maritime platform cable |
| CN103399226B (en) * | 2013-07-29 | 2016-04-27 | 中国海洋石油总公司 | The monitoring device of current capacity of maritime platform cable and monitoring method |
| CN104101815A (en) * | 2014-07-24 | 2014-10-15 | 国家电网公司 | High tension transmission line comprehensive tester and testing method |
| CN104101815B (en) * | 2014-07-24 | 2017-02-15 | 国家电网公司 | High tension transmission line comprehensive tester and testing method |
| CN104266778A (en) * | 2014-09-11 | 2015-01-07 | 深圳供电局有限公司 | Remote dynamic cable group wire core temperature monitoring system |
| CN109921362A (en) * | 2019-03-13 | 2019-06-21 | 清华四川能源互联网研究院 | A kind of intelligent electric power fitting for transmission line of electricity on-line monitoring |
| CN109921362B (en) * | 2019-03-13 | 2021-11-02 | 清华四川能源互联网研究院 | Intelligent electric power fitting for on-line monitoring of power transmission line |
| CN109870197A (en) * | 2019-03-29 | 2019-06-11 | 山东呈祥电气有限公司 | A kind of intelligent power cable pipeline |
| CN111044935A (en) * | 2019-12-31 | 2020-04-21 | 苏州华电电气股份有限公司 | Multipoint grounding live detection device for transformer core |
| CN112964301A (en) * | 2021-02-09 | 2021-06-15 | 广东电网有限责任公司 | Monitoring method, device, system, equipment and storage medium of power pipeline |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130227 |