CN104090144A - Intelligent leakage current monitoring sensing device and leakage current monitoring system - Google Patents
Intelligent leakage current monitoring sensing device and leakage current monitoring system Download PDFInfo
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- CN104090144A CN104090144A CN201410347783.0A CN201410347783A CN104090144A CN 104090144 A CN104090144 A CN 104090144A CN 201410347783 A CN201410347783 A CN 201410347783A CN 104090144 A CN104090144 A CN 104090144A
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Abstract
The invention discloses an intelligent leakage current monitoring sensing device and a leakage current monitoring system. The intelligent leakage current monitoring sensing device comprises a leakage current collecting assembly, a CPU processor, a self power supply and a wireless communication assembly. The leakage current collecting assembly and the wireless communication assembly used for wireless communication are in signal connection with the CPU processor, the self power supply is electrically connected with the leakage current collecting assembly, and the CPU processor is electrically connected with the wireless communication assembly. By means of the intelligent leakage current monitoring sensing device, collected data can be sent to a box change monitoring assembly in a wireless mode to be used for on-line monitoring of an overvoltage protector or a lightning arrester. The leakage current monitoring system comprises a host and the intelligent leakage current monitoring sensing device. The intelligent leakage current monitoring sensing device comprises the CPU processor and the wireless communication assembly which is in signal connection with the CPU processor. The wireless communication assembly is in wireless connection with the host. The intelligent leakage current monitoring sensing device and the box change monitoring assembly are in wireless communication, so that physical separation between primary equipment and secondary equipment is achieved, and thus system operation security is improved.
Description
Technical field
The present invention relates to energy monitoring apparatus technical field, more particularly, particularly a kind of intelligent leakage current is monitored sensing device and a kind of system for monitoring leakage current.
Background technology
The overvoltage protection device of installing in the box change of electric system or lightning arrester are mainly uninstalling systems because of the energy of thunderbolt and switching overvoltage generation, avoid the damage of primary equipment.By monitoring variation and the action frequency that continues leakage current, can effectively detect its inside aging, make moist and wait extremely, it operates with failure to avoid ancient name for Chinese cabbage.
The method of in the market overvoltage protection device being carried out to Real-Time Monitoring has:
1, electromagnetic type discharge counter is mainly used to record overvoltage protection device or lightning arrester discharge action frequency, the leakage current values in the time of can not monitoring normal operation, and electromagnetic type discharge counter is not intelligent, cannot be by data upload to backstage.
2, the installation of sensors of superpotential on-line monitoring instrument, at overvoltage protection device base, is connected with cable between sensor and main frame, and the problem that this implementation exists is that sampled signal is vulnerable to strong electromagnetic in cabinet when by cable transmission; Between one secondary device, can not reliably isolate, there is potential safety hazard in execute-in-place.
Simultaneously superpotential on-line monitoring instrument is device independently, although there is communication interface, because case change is away from master station, so its service data also cannot be uploaded.
Summary of the invention
The object of the invention is to avoid the defect of prior art and a kind of intelligent leakage current monitoring sensing device and a kind of system for monitoring leakage current are provided, thereby effectively solving the defect existing in prior art.
For achieving the above object, the technical scheme that the present invention takes is:
An intelligent leakage current monitoring sensing device, comprising: for the Leakage Current acquisition component that Leakage Current is detected, the CPU processor with logical operation function, the self powered supply that electrical equipment is powered and for carrying out the wireless communication assembly of radio communication; The wireless communication assembly of described Leakage Current acquisition component and described radio communication is connected with described CPU processor signal; Described self powered supply and described Leakage Current acquisition component, described CPU processor and the electrical connection of described wireless communication assembly.
The present invention also provides a kind of system for monitoring leakage current, includes main frame and intelligent leakage current monitoring sensing device described above; Wireless communication assembly, described wireless communication assembly and described main frame wireless connections that described intelligent leakage current monitoring sensing device includes CPU processor and is connected with its signal.
Preferably, described wireless communication components is radio broadcasting sending assembly.
Intelligent leakage current monitoring sensing device provided by the invention comprises: for the Leakage Current acquisition component that Leakage Current is detected, the CPU processor with logical operation function, the self powered supply that electrical equipment is powered and for carrying out the wireless communication assembly of radio communication; The wireless communication assembly of described Leakage Current acquisition component and described radio communication is connected with described CPU processor signal; Described self powered supply and described Leakage Current acquisition component, described CPU processor and the electrical connection of described wireless communication assembly.The present invention is achieved by the following technical solution: owing to case being all installed in intelligent box change now, become monitor component; between itself and master station, set up optical-fibre communications; based on this structural design; the invention provides a kind of independently intelligent leakage current detecting sensor; by its structural design, the present invention can send to case to become monitor component in order to realize the on-line monitoring to overvoltage protection device or lightning arrester with wireless mode the data that collect.
The present invention also provides a kind of system for monitoring leakage current, includes main frame and intelligent leakage current monitoring sensing device described above; Wireless communication assembly, described wireless communication assembly and described main frame wireless connections that described intelligent leakage current monitoring sensing device includes CPU processor and is connected with its signal.Leakage current monitoring sensor is by arranging CPU processor, and it has the new energy of higher Based Intelligent Control; Between intelligence leakage current monitoring sensing device and case change monitor component, adopt wireless telecommunications, realized the physical separation between a secondary device, improved the security of system operation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of system for monitoring leakage current in an embodiment of the present invention.
In figure: Leakage Current acquisition component 1, CPU processor 2, self powered supply 3,
Wireless communication assembly 4, main frame 5.
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Please refer to Fig. 1, Fig. 1 is the structural representation of system for monitoring leakage current in an embodiment of the present invention.
The invention provides a kind of intelligent leakage current monitoring sensing device, comprising: for the Leakage Current acquisition component 1 that Leakage Current is detected, the CPU processor 2 with logical operation function, the self powered supply 3 that electrical equipment is powered and for carrying out the wireless communication assembly 4 of radio communication; The wireless communication assembly 4 of Leakage Current acquisition component 1 and radio communication is connected with CPU processor 2 signals; Self powered supply 3 and Leakage Current acquisition component 1, CPU processor 2 and wireless communication assembly 4 electrical connections.
The present invention is achieved by the following technical solution: owing to case being all installed in intelligent box change now, become monitor component; between itself and master station, set up optical-fibre communications; based on this structural design; the invention provides a kind of independently intelligent leakage current detecting sensor; by its structural design, the present invention can send to case to become monitor component in order to realize the on-line monitoring to overvoltage protection device or lightning arrester with wireless mode the data that collect.
1, leakage current acquisition component is responsible for gathering the leakage current value of overvoltage protection device or each phase of lightning arrester; by CPU processor, carry out signal processing and preservation; according to the action leakage current value of setting, judge the action frequency of overvoltage protection device or lightning arrester institute monitoring circuit simultaneously.
2, CPU processor is by signal Unified coding such as leakage current instantaneous value, working value and actuation time, institute's monitoring circuit code name, supplying cell voltages, by the outside broadcast transmission of wireless communication assembly.
3, case becomes monitor component and directly gathers intelligent leakage current monitoring sensing device data and be uploaded to backstage and can.
The present invention also provides a kind of system for monitoring leakage current, includes main frame 5 and intelligent leakage current monitoring sensing device described above; The wireless communication assembly 4 that intelligence leakage current monitoring sensing device includes CPU processor 2 and is connected with its signal, wireless communication assembly 4 and main frame 5 wireless connections.
Particularly, wireless communication components is radio broadcasting sending assembly.
Technological innovation main points of the present invention are:
1, leakage current monitoring sensor is by arranging CPU processor, and it has the new energy of higher Based Intelligent Control.
2, in device, be provided with heavy-duty battery, can be independently-powered.
3, there is independently data acquisition processing system, can Real-time Collection Leakage Current value, and record overvoltage protection device or lightning arrestor movement number of times.
4, between intelligent leakage current monitoring sensing device and case change monitor component, adopt wireless telecommunications, realized the physical separation between a secondary device, improved the security of system operation.
5, leakage current is extremely weak small-signal, and the high-intensity magnetic field producing while being very easily subject to superpotential action disturbs, and sampled data, by data-signal coding transmission, can improve the interference free performance of system greatly.
These are only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. an intelligent leakage current monitoring sensing device, is characterized in that,
Comprise: for the Leakage Current acquisition component (1) that Leakage Current is detected, the CPU processor (2) with logical operation function, the self powered supply (3) that electrical equipment is powered and for carrying out the wireless communication assembly (4) of radio communication;
The wireless communication assembly of described Leakage Current acquisition component and described radio communication is connected with described CPU processor signal;
Described self powered supply and described Leakage Current acquisition component, described CPU processor and the electrical connection of described wireless communication assembly.
2. a system for monitoring leakage current, is characterized in that,
Include main frame (5) and intelligent leakage current monitoring sensing device as claimed in claim 1;
Wireless communication assembly, described wireless communication assembly and described main frame wireless connections that described intelligent leakage current monitoring sensing device includes CPU processor and is connected with its signal.
3. system for monitoring leakage current according to claim 2, is characterized in that,
Described wireless communication components is radio broadcasting sending assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410347783.0A CN104090144A (en) | 2014-07-21 | 2014-07-21 | Intelligent leakage current monitoring sensing device and leakage current monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410347783.0A CN104090144A (en) | 2014-07-21 | 2014-07-21 | Intelligent leakage current monitoring sensing device and leakage current monitoring system |
Publications (1)
| Publication Number | Publication Date |
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| CN104090144A true CN104090144A (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410347783.0A Pending CN104090144A (en) | 2014-07-21 | 2014-07-21 | Intelligent leakage current monitoring sensing device and leakage current monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226701A (en) * | 2018-02-17 | 2018-06-29 | 曾世容 | A kind of intermittent electric leakage centralized monitoring system and method based on power line carrier, PLC |
| CN110649561A (en) * | 2019-08-16 | 2020-01-03 | 西安交通大学 | Self-power-taking device utilizing leakage current of lightning arrester valve plate and working method thereof |
-
2014
- 2014-07-21 CN CN201410347783.0A patent/CN104090144A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226701A (en) * | 2018-02-17 | 2018-06-29 | 曾世容 | A kind of intermittent electric leakage centralized monitoring system and method based on power line carrier, PLC |
| CN110649561A (en) * | 2019-08-16 | 2020-01-03 | 西安交通大学 | Self-power-taking device utilizing leakage current of lightning arrester valve plate and working method thereof |
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