CN203101548U - Insulation on-line monitoring device applied to high voltage device - Google Patents

Insulation on-line monitoring device applied to high voltage device Download PDF

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Publication number
CN203101548U
CN203101548U CN 201320028965 CN201320028965U CN203101548U CN 203101548 U CN203101548 U CN 203101548U CN 201320028965 CN201320028965 CN 201320028965 CN 201320028965 U CN201320028965 U CN 201320028965U CN 203101548 U CN203101548 U CN 203101548U
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CN
China
Prior art keywords
module
current sensor
leakage current
line monitoring
earth leakage
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201320028965
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Chinese (zh)
Inventor
张慧
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Anhui Zhongjie Energy-Saving Environmental Protection Science & Technology Co Ltd
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Anhui Zhongjie Energy-Saving Environmental Protection Science & Technology Co Ltd
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Priority to CN 201320028965 priority Critical patent/CN203101548U/en
Application granted granted Critical
Publication of CN203101548U publication Critical patent/CN203101548U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an insulation on-line monitoring device applied to a high voltage device. The insulation on-line monitoring device applied to the high voltage device comprises a data acquisition module, a central processing unit, a man-machine interface module, an input module, a liquid crystal display module, an output module, an alarm module, an indicating module, a communication module, a storage module, a clock module and a power supply module which is used for providing power supply input. The central processing unit respectively acquires cable leakage current to earth, lightning arrester leakage current to earth, insulator leakage current to earth through a first current sensor, a second current sensor and a third current sensor, carries out storing in the storage module and carries out output to a host machine through the communication module. According to the utility model, the insulation on-line monitoring device applied to the high voltage device has the advantages of good real-time, accurate detection, strong detection performance, no influence on power grid operation, safety, reliability, simple structure and low cost.

Description

The insulation line monitoring device that is used for high-tension apparatus
Technical field
The utility model relates to distribution high-tension apparatus field, is specifically related to a kind of insulation line monitoring device that is used for high-tension apparatus.
Background technology
The electric preventative maintenance of traditional high-low pressure is to expire by the test period that preventive trial is stipulated electrical equipment is carried out interruption maintenance, repair based on condition of component then is based on the actual condition of equipment, according to the variation of its insulation characterisitic parameter under working voltage, by analyzing project and the content determine whether electrical equipment needs to overhaul and needs overhaul.In view of vital role and the repair based on condition of component characteristics of electrical equipment state maintenance in equipment control, the limitation of periodic maintenance highlights gradually, directly influence the normal operation of electrical network, but also do not carry out the electrical equipment maintenance based on the insulated on-line monitoring technology at present, this has caused influence to a certain degree to the electrical network reliability service comprehensively.
The utility model content
The technical problems to be solved in the utility model provide a kind of real-time good, detect accurately, detect performance and by force, do not influence operation of power networks, the insulation line monitoring device that is used for high-tension apparatus safe and reliable, simple in structure, with low cost.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of insulation line monitoring device that is used for high-tension apparatus, comprise data acquisition module, CPU (central processing unit), human-machine interface module, load module, LCD MODULE, output module, alarm module, indicating module, communication module, memory module, clock module and the power module that is used to provide the power supply input, described data acquisition module comprises first current sensor that is used for the detection streamer earth leakage current, be used to detect second current sensor of lightning arrester earth leakage current, be used to detect the 3rd current sensor of insulator earth leakage current, described CPU (central processing unit) respectively with first current sensor, second current sensor, the 3rd current sensor, human-machine interface module, output module, memory module, clock module, power module links to each other; Described human-machine interface module links to each other with load module, LCD MODULE respectively; Described output module links to each other with alarm module, indicating module, communication module respectively; Described CPU (central processing unit) is gathered cable earth leakage current, lightning arrester earth leakage current, insulator earth leakage current respectively by first current sensor, second current sensor, the 3rd current sensor and is deposited in the memory module and by communication module and export to upper main frame.
As further improvement in the technical proposal:
Described load module is a keyboard input module.
Described alarm module is the luminous indicating module of LED.
Described communication module is the RS485 serial communication modular.
Described memory module is SD card memory module or USB flash disk memory module.
The utlity model has following advantage: CPU (central processing unit) of the present utility model is by first current sensor, second current sensor, the 3rd current sensor is gathered the cable earth leakage current respectively, the lightning arrester earth leakage current, the insulator earth leakage current, deposit in the memory module and and export to upper main frame by communication module, can realize the on-line monitoring function of network system insulating property, so that carry out the judgement and the fault handling of system insulation performance according to the electric parameter of system, remote transmission function with online testing result, can realize the insulated on-line monitoring to high-tension apparatus, it is good to have real-time, detect accurately, the detection performance is strong, do not influence operation of power networks, safe and reliable, simple in structure, advantage with low cost.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the framed structure synoptic diagram of the utility model embodiment.
Marginal data: 1, data acquisition module; 11, first current sensor; 12, second current sensor; 2, CPU (central processing unit); 3, human-machine interface module; 31, load module; 32, LCD MODULE; 4, output module; 41, alarm module; 42, indicating module; 43, communication module; 5, memory module; 6, clock module; 7, power module.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described in detail, thereby protection scope of the present invention are made more explicit defining so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that.
As shown in Figure 1, the insulation line monitoring device that is used for high-tension apparatus of present embodiment comprises data acquisition module 1, CPU (central processing unit) 2, human-machine interface module 3, load module 31, LCD MODULE 32, output module 4, alarm module 41, indicating module 42, communication module 43, memory module 5, clock module 6 and the power module 7 that is used to provide the power supply input, data acquisition module 1 comprises first current sensor 11 that is used for the detection streamer earth leakage current, be used to detect second current sensor 12 of lightning arrester earth leakage current, be used to detect the 3rd current sensor 13 of insulator earth leakage current, CPU (central processing unit) 2 respectively with first current sensor 11, second current sensor 12, the 3rd current sensor 13, human-machine interface module 3, output module 4, memory module 5, clock module 6, power module 7 links to each other; Human-machine interface module 3 links to each other with load module 31, LCD MODULE 32 respectively; Output module 4 links to each other with alarm module 41, indicating module 42, communication module 43 respectively; CPU (central processing unit) 2 is gathered cable earth leakage current, lightning arrester earth leakage current, insulator earth leakage current respectively by first current sensor 11, second current sensor 12, the 3rd current sensor 13 and is deposited in the memory module 5 and by communication module 43 and export to upper main frame.The CPU (central processing unit) 2 of present embodiment is by first current sensor 11, second current sensor 12, the 3rd current sensor 13 is gathered the cable earth leakage current respectively, the lightning arrester earth leakage current, the insulator earth leakage current, deposit in the memory module 5 and and export to upper main frame by communication module 43, can realize the on-line monitoring function of network system insulating property, so that carry out the judgement and the fault handling of system insulation performance according to the electric parameter of system, remote transmission function with online testing result, can realize the insulated on-line monitoring to high-tension apparatus, it is good to have real-time, detect accurately, the detection performance is strong, do not influence operation of power networks, safe and reliable, simple in structure, advantage with low cost.
Present embodiment is gathered cable earth leakage current, lightning arrester earth leakage current, insulator earth leakage current respectively by first current sensor 11, second current sensor 12, the 3rd current sensor 13, then electric current is analyzed, can realize following function: (1) on-line monitoring electrical equipment leakage current over the ground, as: cable, lightning arrester etc.; (2) be applicable to the on-line monitoring of various lightning arresters.Has record thunder and lightning action frequency, full leakage current, resistive (gaining merit) current measurement function.Can reflect bad phenomenon such as lightning arrester makes moist, physical damnification, prevent the generation and the expansion of accident, effectively improve the Operation of Electric Systems reliability; (3) be applicable to the on-line monitoring of various isolating switchs.Have functions such as record isolating switch open and close times and the detection of isolating switch integrity; (4) realize the online measuring ability of the insulator sensor that uses in the various cabinets, the duty and the performance index of reflection insulator prevent the electric power system fault that the performance deficiency because of the insulator sensor causes or the misoperation of electric protective equipment.
In the present embodiment, load module 31 is a keyboard input module, is used for realizing human-computer interaction function together with LCD MODULE 32, realizes the threshold value setting to cable earth leakage current, lightning arrester earth leakage current, insulator earth leakage current three.Alarm module 41 is the luminous indicating module of LED; 2 pairs of cable earth leakage currents of gathering input of CPU (central processing unit); the lightning arrester earth leakage current; the insulator earth leakage current is judged respectively; if arbitrary threshold value that exceeds setting; then drive the luminous indication of alarm module 41 (the luminous indicating module of LED) by output module 4 output control signals; thereby make things convenient for the monitoring personnel in time to find and early warning; when the insulator performance descends; can in time find to change as early as possible; prevent from effectively to protect the consumer of low-pressure side because insulator breakdown causes electric network fault.Communication module 43 is the RS485 serial communication modular, the RS485 serial communication modular is owing to have the long advantage of transmission range, can improve the range of application of present embodiment, being particularly suitable for field monitoring handles, realize the remote transmission of online detection data by the RS485 interface, timely and accurately the effective information of electrical equipment situation is offered the surveillance equipment of Control Room.Memory module 5 can adopt SD card memory module or USB flash disk memory module as required, memory module 5 is the USB flash disk memory module in the present embodiment, Central Processing Unit 2 is by first current sensor 11, second current sensor 12 is gathered the cable earth leakage current respectively, the lightning arrester earth leakage current also is stored in the memory module 5, except realizing on-line monitoring, can also be with the cable earth leakage current, lightning arrester earth leakage current data storage is regularly handled in memory module 5 (USB flash disk memory module), the plug of USB flash disk memory module is very convenient, and is simple and quick.
The above only is a preferred implementation of the present utility model, and protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme that belongs to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, some improvements and modifications of under the prerequisite that does not break away from principle of the present utility model, carrying out, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (5)

1. insulation line monitoring device that is used for high-tension apparatus, it is characterized in that: comprise data acquisition module (1), CPU (central processing unit) (2), human-machine interface module (3), load module (31), LCD MODULE (32), output module (4), alarm module (41), indicating module (42), communication module (43), memory module (5), clock module (6) and being used to provides the power module (7) of power supply input, described data acquisition module (1) comprises first current sensor (11) that is used for the detection streamer earth leakage current, be used to detect second current sensor (12) of lightning arrester earth leakage current, be used to detect the 3rd current sensor (13) of insulator earth leakage current, described CPU (central processing unit) (2) respectively with first current sensor (11), second current sensor (12), the 3rd current sensor (13), human-machine interface module (3), output module (4), memory module (5), clock module (6), power module (7) links to each other; Described human-machine interface module (3) links to each other with load module (31), LCD MODULE (32) respectively; Described output module (4) links to each other with alarm module (41), indicating module (42), communication module (43) respectively; Described CPU (central processing unit) (2) is gathered cable earth leakage current, lightning arrester earth leakage current, insulator earth leakage current respectively by first current sensor (11), second current sensor (12), the 3rd current sensor (13) and is deposited in the memory module (5) and export to upper main frame by communication module (43).
2. the insulation line monitoring device that is used for high-tension apparatus according to claim 1 is characterized in that: described load module (31) is a keyboard input module.
3. the insulation line monitoring device that is used for high-tension apparatus according to claim 2 is characterized in that: described alarm module (41) is the luminous indicating module of LED.
4. the insulation line monitoring device that is used for high-tension apparatus according to claim 3 is characterized in that: described communication module (43) is the RS485 serial communication modular.
5. according to claim 1 or 2 or the 3 or 4 described insulation line monitoring devices that are used for high-tension apparatus, it is characterized in that: described memory module (5) is SD card memory module or USB flash disk memory module.
CN 201320028965 2013-01-06 2013-01-06 Insulation on-line monitoring device applied to high voltage device Expired - Fee Related CN203101548U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320028965 CN203101548U (en) 2013-01-06 2013-01-06 Insulation on-line monitoring device applied to high voltage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320028965 CN203101548U (en) 2013-01-06 2013-01-06 Insulation on-line monitoring device applied to high voltage device

Publications (1)

Publication Number Publication Date
CN203101548U true CN203101548U (en) 2013-07-31

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104076245A (en) * 2014-06-11 2014-10-01 安徽三和电力技术有限公司 On-line monitoring device for contact network insulation
CN104655966A (en) * 2015-03-06 2015-05-27 国家电网公司 Comprehensive operation parameter monitor for low-voltage clients
CN105182121A (en) * 2015-09-01 2015-12-23 无锡华虹信息科技有限公司 On-line electrical equipment fault monitoring device
CN105259436A (en) * 2015-10-13 2016-01-20 上海斐讯数据通信技术有限公司 Performance detecting device based on cell phone data cable

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104076245A (en) * 2014-06-11 2014-10-01 安徽三和电力技术有限公司 On-line monitoring device for contact network insulation
CN104655966A (en) * 2015-03-06 2015-05-27 国家电网公司 Comprehensive operation parameter monitor for low-voltage clients
CN105182121A (en) * 2015-09-01 2015-12-23 无锡华虹信息科技有限公司 On-line electrical equipment fault monitoring device
CN105259436A (en) * 2015-10-13 2016-01-20 上海斐讯数据通信技术有限公司 Performance detecting device based on cell phone data cable

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C14 Grant of patent or utility model
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130731

Termination date: 20160106