CN102879056A - Wireless sensing device used for direct current grounding electrode detection - Google Patents
Wireless sensing device used for direct current grounding electrode detection Download PDFInfo
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- CN102879056A CN102879056A CN2012102691876A CN201210269187A CN102879056A CN 102879056 A CN102879056 A CN 102879056A CN 2012102691876 A CN2012102691876 A CN 2012102691876A CN 201210269187 A CN201210269187 A CN 201210269187A CN 102879056 A CN102879056 A CN 102879056A
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Abstract
The invention relates to a wireless sensing device used for direct current grounding electrode detection, which includes a wireless communication module, a water level sensor module, a temperature sensor module, a power supply management module, a storage module and a master control module, wherein the master control module is connected with the wireless communication module, a pressure sensor module, the temperature sensor module, the power supply management module and the storage module respectively. Compared with the prior art, the invention has the benefits as follows: the wireless sensing device used for direct current grounding electrode detection has the characteristics of low cost, long service life, simple structure, convenience for use and data wireless transmission, efficiently realizes online monitoring of water level and temperature of a direct current grounding electrode detection well, and improves the detection accuracy and the working efficiency.
Description
Technical field
The present invention relates to detect the device of Well Water Level and on-line temperature monitoring, particularly a kind of wireless sensing device for the direct current grounding pole detection.
Background technology
In the extra-high voltage DC transmission system, earthing pole has very important effect, can earthing pole normally move, concerning whole extra-high voltage direct-current security of system, at present, monitoring for earthing pole is mainly undertaken by the mode of manual patrol, groundwork comprises the measurement of temperature, water level, distribution of current, step voltage and stake resistance etc., the detection of its middle water level and temperature is reserved at earthing pole and is detected the well realization, owing to being subject to personnel and equipment is limit, sense cycle is generally longer, can not reflect in time, accurately the operation conditions of whole earthing pole.
Practical along with novel checkout equipment and telecommunication equipment, the pace of construction of the strong intelligent grid that relies on communication network realization information exchange and share is accelerated, for extra-high voltage DC transmission system, the online warning function of on-line monitoring, event of failure is the trend of future development, realizing water level and the on-line temperature monitoring of extra-high voltage DC transmission system earthing pole, is that the important leverage that rear express analysis is searched reason occurs generation and the accident of prevention system accident.
Summary of the invention
Purpose of the present invention provides a kind of direct current grounding pole of monitoring to detect the water level of well and the wireless sensing device of temperature.
For achieving the above object, the present invention realizes by the following technical solutions:
A kind of wireless sensing device for the direct current grounding pole detection, surface of shell is provided with wireless communication interface, pressure probe and temp probe, enclosure interior is provided with wireless communication module, level sensor module, temperature sensor module, power management module, memory module and main control module, and described main control module is connected with wireless communication module, pressure sensor module, temperature sensor module, power management module and memory module respectively.
Described wireless communication module adopts the radio communication mode, and its mode of operation comprises frequency hopping and two kinds of mode of operations of fixed frequency, and wherein fixed frequency is public frequency range 433MHz, and frequency hopping frequency range interval is 240～930MHz; Have route and MANET function.
Described level sensor module measurement range is 0～5m, and measuring accuracy is ± 0.05m.
Described temperature sensor module measurement range is-50 ℃～+ 150 ℃, and measuring accuracy is ± 1 ℃.
Described main control module realizes that sampled data analysis, off-limit alarm, communication protocol are resolved, the low-power consumption management.
This outside of deivce is by the moulding of monoblock stainless steel time processing, good airproof performance.
Compared with prior art, the invention has the beneficial effects as follows:
A kind of wireless sensing device for the direct current grounding pole detection, have the advantages that cost is low, the life-span long, simple in structure, easy to use, data wireless transmits, realized that effectively the on-line monitoring direct current grounding pole detects water level and the temperature of well, has improved the precision and the work efficiency that detect.
Description of drawings
Fig. 1 is structural drawing of the present invention;
Fig. 2 is circuit diagram of the present invention;
Fig. 3 is the circuit diagram of wireless communication module of the present invention;
Fig. 4 is the circuit diagram of level sensor module of the present invention;
Fig. 5 is the circuit diagram of temperature sensing module of the present invention.
1-wireless communication interface, 2-pressure probe, 3-temp probe, 4-housing
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is further specified:
Such as Fig. 1～shown in Figure 5, a kind of wireless sensing device for the direct current grounding pole detection of the present invention, housing 4 surfaces are provided with wireless communication interface 1, pressure probe 2 and temp probe 3, housing 4 inside are provided with wireless communication module, the level sensor module, temperature sensor module, power management module, memory module and main control module, described main control module respectively with wireless communication module, pressure sensor module, temperature sensor module, power management module is connected with memory module, wireless communication module adopts the radio communication mode, its mode of operation comprises frequency hopping and two kinds of mode of operations of fixed frequency, wherein fixed frequency is public frequency range 433MHz, and frequency hopping frequency range interval is 240～930MHz; Have route and MANET function, level sensor module measurement range is 0～5m, measuring accuracy is ± 0.05m, the temperature sensor module measurement range is-50 ℃～+ 150 ℃, measuring accuracy is ± 1 ℃, main control module realizes that sampled data analysis, off-limit alarm, communication protocol are resolved, the low-power consumption management, and this outside of deivce is by the moulding of monoblock stainless steel time processing, good airproof performance.
Use when of the present invention, by water level and the temperature in pressure probe 2 and the temp probe 3 induction detection wells, when water level or temperature surpass default bound ring value or adjacent double sampling and surpass preset value, trigger this device and send warning by wireless communication interface 1 to the user.
Claims (6)
1. one kind is used for the wireless sensing device that direct current grounding pole detects, it is characterized in that, surface of shell is provided with wireless communication interface, pressure probe and temp probe, enclosure interior is provided with wireless communication module, level sensor module, temperature sensor module, power management module, memory module and main control module, and described main control module is connected with wireless communication module, pressure sensor module, temperature sensor module, power management module and memory module respectively.
2. a kind of wireless sensing device that detects for direct current grounding pole according to claim 1, it is characterized in that, described wireless communication module adopts the radio communication mode, its mode of operation comprises frequency hopping and two kinds of mode of operations of fixed frequency, wherein fixed frequency is public frequency range 433MHz, and frequency hopping frequency range interval is 240～930MHz; Have route and MANET function.
3. a kind of wireless sensing device for the direct current grounding pole detection according to claim 1 is characterized in that, described level sensor module measurement range is 0～5m, and measuring accuracy is ± 0.05m.
4. a kind of wireless sensing device for the direct current grounding pole detection according to claim 1 is characterized in that, described temperature sensor module measurement range is-50 ℃～+ 150 ℃, and measuring accuracy is ± 1 ℃.
5. a kind of wireless sensing device for the direct current grounding pole detection according to claim 1 is characterized in that, described main control module realizes that sampled data analysis, off-limit alarm, communication protocol are resolved, the low-power consumption management.
6. a kind of wireless sensing device for the direct current grounding pole detection according to claim 1 is characterized in that, this outside of deivce is by the moulding of monoblock stainless steel time processing, good airproof performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012102691876A CN102879056A (en) | 2012-07-31 | 2012-07-31 | Wireless sensing device used for direct current grounding electrode detection |
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| CN2012102691876A CN102879056A (en) | 2012-07-31 | 2012-07-31 | Wireless sensing device used for direct current grounding electrode detection |
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| CN102879056A true CN102879056A (en) | 2013-01-16 |
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| CN2012102691876A Pending CN102879056A (en) | 2012-07-31 | 2012-07-31 | Wireless sensing device used for direct current grounding electrode detection |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196571A (en) * | 2013-03-26 | 2013-07-10 | 国家电网公司 | Wireless temperature measuring device used for transformer substation |
| CN103237052A (en) * | 2013-03-26 | 2013-08-07 | 国家电网公司 | Wireless temperature measuring system for online substation monitoring |
| CN105628103A (en) * | 2016-02-29 | 2016-06-01 | 国家电网公司 | High-voltage DC transmission system earth electrode state monitoring device |
| CN106323408A (en) * | 2016-11-11 | 2017-01-11 | 中国矿业大学(北京) | Intelligent underground water level measuring instrument |
| CN107644522A (en) * | 2017-10-16 | 2018-01-30 | 河南汇纳科技有限公司 | A kind of wireless sensing system of the direct current transportation environmental monitoring based on LoRa |
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| CN101859479A (en) * | 2010-05-04 | 2010-10-13 | 东营市同天电子科技有限公司 | Remote wireless meter reading device for prepayment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196571A (en) * | 2013-03-26 | 2013-07-10 | 国家电网公司 | Wireless temperature measuring device used for transformer substation |
| CN103237052A (en) * | 2013-03-26 | 2013-08-07 | 国家电网公司 | Wireless temperature measuring system for online substation monitoring |
| CN105628103A (en) * | 2016-02-29 | 2016-06-01 | 国家电网公司 | High-voltage DC transmission system earth electrode state monitoring device |
| CN106323408A (en) * | 2016-11-11 | 2017-01-11 | 中国矿业大学(北京) | Intelligent underground water level measuring instrument |
| CN107644522A (en) * | 2017-10-16 | 2018-01-30 | 河南汇纳科技有限公司 | A kind of wireless sensing system of the direct current transportation environmental monitoring based on LoRa |
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Application publication date: 20130116 |