CN105043592A - Transformer oil temperature monitoring system and method based on wireless local area network - Google Patents
Transformer oil temperature monitoring system and method based on wireless local area network Download PDFInfo
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- CN105043592A CN105043592A CN201510471529.6A CN201510471529A CN105043592A CN 105043592 A CN105043592 A CN 105043592A CN 201510471529 A CN201510471529 A CN 201510471529A CN 105043592 A CN105043592 A CN 105043592A
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Abstract
The invention relates to a transformer oil temperature monitoring system and especially relates to a transformer oil temperature monitoring system and method based on a wireless local area network. The technical scheme is characterized in that the transformer oil temperature monitoring system comprises wireless data acquisition devices, transformers, oil temperature sensors, an upper computer and a wireless coordinator module; the wireless data acquisition devices are fixed to the transformers and are connected with the oil temperature sensors respectively; and the upper computer is connected with the wireless coordinator module, and data communication is realized through wireless transmission. The beneficial effects are that the transformer oil temperature monitoring system monitors oil temperature of the transformers of a substation, reduces wiring, and is convenient to install and expand, small in size, simple in structure, easy to install, easy to operate, low in power consumption, low in cost and long in service life.
Description
Technical field
The present invention relates to a kind of temperature of oil in transformer supervisory system, particularly a kind of temperature of oil in transformer supervisory system based on WLAN (wireless local area network) and method.
Background technology
On-line monitoring temperature of oil in transformer is very important to early diagnosis transformer fault, high oil temperature, and insulation ag(e)ing is serious, and insulating oil deterioration is fast, affects transformer life.Existing acquisition mode is generally wired collection, connects up loaded down with trivial details, and host computer can not move freely.
Summary of the invention
Object of the present invention is exactly in view of the foregoing defects the prior art has, provides a kind of temperature of oil in transformer supervisory system based on WLAN (wireless local area network) and method.
A kind of temperature of oil in transformer supervisory system based on WLAN (wireless local area network) that the present invention mentions, its technical scheme is: comprise wireless data acquisition device, transformer, oil temperature sensor, host computer, wireless coordinator module, wireless data acquisition device is fixing to be connected with oil temperature sensor on the transformer, host computer is connected with wireless coordinator module, realizes data communication by wireless transmission;
Described wireless searching device comprises main control chip, wireless communication system, data acquisition system (DAS), long distance control system, described main control chip is MSP430 single-chip microcomputer, main control chip, wireless communication system, data acquisition system (DAS), long distance control system connect power supply respectively, main control chip control linkage wireless communication system, data acquisition system (DAS), long distance control system, the input end of main control chip and data acquisition system (DAS) carry out two-way communication, and the output terminal of main control chip connects long distance control system by wireless communication system.
Described MSP430 single-chip microcomputer connects reset circuit, keyboard, SD card, LCD display.
Described wireless communication system comprises ZigBee coordinator module, ZigBee wireless communication module, and ZigBee coordinator module, ZigBee wireless communication module pass through wireless transmission.
Described long distance control system comprises database, data handling system, human-computer interaction interface, and data handling system passes through human-computer interaction interface Information Monitoring, stored in database after data processing.
Described data acquisition system (DAS) comprises temperature sensor, LOAD CELLS, instrument and meter amplifying circuit, and temperature sensor connects the input end of MSP430 single-chip microcomputer, and LOAD CELLS connects the input end of MSP430 single-chip microcomputer by instrument and meter amplifying circuit.
The method of work of a kind of temperature of oil in transformer supervisory system based on WLAN (wireless local area network) that the present invention mentions, comprises following step:
A) pass through temperature sensor monitors temperature of oil in transformer of electric substation by main control chip MSP430 single-chip microcomputer, by ZigBee wireless communication module, temperature of oil in transformer monitor data is sent to control center in real time, realize warehouse-in store alarms and the display in real time of data;
B) data collected are sent to coordinator node by wireless communication system after completing the collection of data, Presentation Function, terminal node thinks that after power-up initializing coordinator node sends request register instruction, follow Zigbee protocol and carry out network registration, gather temperature of oil in transformer information afterwards, and show in a lcd display, send data to coordinator node afterwards, after obtaining telegon response, terminal node closes peripheral components, carry out dormancy, to be interrupted wake up after carry out next collection period;
C) intuitively, clearly can be understood the state of temperature of oil in transformer by the observation interface managerial personnel of long distance control system, realize that temperature shows in real time, overload alarm, data filing, the inquiry of historical data function.
The invention has the beneficial effects as follows: monitor temperature of oil in transformer of electric substation in real time, reduce wiring, install expansion conveniently, volume is little, and structure is simple, easy for installation, and be easy to operation, low in energy consumption, cost is low, long service life; 1, ZigBee-network is more stable for small-scale data transmission ratio, and substation transformer is generally 2 ~ 3, utilizes ZigBee wireless communication technology, decreases transformer station's inner cable usage quantity, reduces construction cost; 2, monitor terminal can not be subject to cloth line traffic control, freely arranges; 3, select 0 1-wire temperature sensor, only need a line interface, simplify the application of distributed temperature sensor, save A/D converter, error is little, measures accurately.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is structural representations of wireless searching device;
In upper figure: wireless data acquisition device 1, transformer 2, oil temperature sensor 3, host computer 4, wireless coordinator module 5.
Embodiment
1-2 by reference to the accompanying drawings, the invention will be further described:
A kind of temperature of oil in transformer supervisory system based on WLAN (wireless local area network) that the present invention mentions comprises wireless data acquisition device 1, transformer 2, oil temperature sensor 3, host computer 4, wireless coordinator module 5, wireless data acquisition device 1 is fixed on transformer 2 and is connected with oil temperature sensor 3, host computer 4 is connected with wireless coordinator module 5, realizes data communication by wireless transmission;
Described wireless searching device 1 comprises main control chip, wireless communication system, data acquisition system (DAS), long distance control system, described main control chip is MSP430 single-chip microcomputer, main control chip, wireless communication system, data acquisition system (DAS), long distance control system connect power supply respectively, main control chip control linkage wireless communication system, data acquisition system (DAS), long distance control system, the input end of main control chip and data acquisition system (DAS) carry out two-way communication, and the output terminal of main control chip connects long distance control system by wireless communication system.
Described MSP430 single-chip microcomputer connects reset circuit, keyboard, SD card, LCD display.
Described wireless communication system comprises ZigBee coordinator module, ZigBee wireless communication module, and ZigBee coordinator module, ZigBee wireless communication module pass through wireless transmission.
Described long distance control system comprises database, data handling system, human-computer interaction interface, and data handling system passes through human-computer interaction interface Information Monitoring, stored in database after data processing.
Described data acquisition system (DAS) comprises temperature sensor, LOAD CELLS, instrument and meter amplifying circuit, and temperature sensor connects the input end of MSP430 single-chip microcomputer, and LOAD CELLS connects the input end of MSP430 single-chip microcomputer by instrument and meter amplifying circuit.
The method of work of a kind of temperature of oil in transformer supervisory system based on WLAN (wireless local area network) that the present invention mentions, comprises following step:
A) pass through temperature sensor monitors temperature of oil in transformer of electric substation by main control chip MSP430 single-chip microcomputer, by ZigBee wireless communication module, temperature of oil in transformer monitor data is sent to control center in real time, realize warehouse-in store alarms and the display in real time of data;
B) data collected are sent to coordinator node by wireless communication system after completing the functions such as the collection of data, display, terminal node thinks that after power-up initializing coordinator node sends request register instruction, follow Zigbee protocol and carry out network registration, gather temperature of oil in transformer information afterwards, and show in a lcd display, send data to coordinator node afterwards, after obtaining telegon response, terminal node closes peripheral components, carry out dormancy, to be interrupted wake up after carry out next collection period;
C) intuitively, clearly can be understood the state of temperature of oil in transformer by the observation interface managerial personnel of long distance control system, realize the functions such as temperature shows in real time, overload alarm, data filing, the inquiry of historical data.
The above, be only part preferred embodiment of the present invention, any those of ordinary skill in the art all may utilize the technical scheme correct of above-mentioned elaboration or are revised as equivalent technical scheme.Therefore, any simple modification of carrying out according to technical scheme of the present invention or substitute equivalents, belong to the scope of protection of present invention to the greatest extent.
Claims (6)
1. the temperature of oil in transformer supervisory system based on WLAN (wireless local area network), it is characterized in that: comprise wireless data acquisition device (1), transformer (2), oil temperature sensor (3), host computer (4), wireless coordinator module (5), wireless data acquisition device (1) is fixed on transformer (2) and is above connected with oil temperature sensor (3), host computer (4) is connected with wireless coordinator module (5), realizes data communication by wireless transmission;
Described wireless searching device (1) comprises main control chip, wireless communication system, data acquisition system (DAS), long distance control system, described main control chip is MSP430 single-chip microcomputer, main control chip, wireless communication system, data acquisition system (DAS), long distance control system connect power supply respectively, main control chip control linkage wireless communication system, data acquisition system (DAS), long distance control system, the input end of main control chip and data acquisition system (DAS) carry out two-way communication, and the output terminal of main control chip connects long distance control system by wireless communication system.
2. a kind of temperature of oil in transformer supervisory system based on WLAN (wireless local area network) according to claim 1, is characterized in that: described MSP430 single-chip microcomputer connects reset circuit, keyboard, SD card, LCD display.
3. a kind of temperature of oil in transformer supervisory system based on WLAN (wireless local area network) according to claim 1, it is characterized in that: described wireless communication system comprises ZigBee coordinator module, ZigBee wireless communication module, ZigBee coordinator module, ZigBee wireless communication module pass through wireless transmission.
4. a kind of temperature of oil in transformer supervisory system based on WLAN (wireless local area network) according to claim 1, it is characterized in that: described long distance control system comprises database, data handling system, human-computer interaction interface, data handling system passes through human-computer interaction interface Information Monitoring, stored in database after data processing.
5. a kind of temperature of oil in transformer supervisory system based on WLAN (wireless local area network) according to claim 1, it is characterized in that: described data acquisition system (DAS) comprises temperature sensor, LOAD CELLS, instrument and meter amplifying circuit, temperature sensor connects the input end of MSP430 single-chip microcomputer, and LOAD CELLS connects the input end of MSP430 single-chip microcomputer by instrument and meter amplifying circuit.
6. the method for work of a kind of temperature of oil in transformer supervisory system based on WLAN (wireless local area network) as described in claim 1-5, is characterized in that: comprise following step:
A) pass through temperature sensor monitors temperature of oil in transformer of electric substation by main control chip MSP430 single-chip microcomputer, by ZigBee wireless communication module, temperature of oil in transformer monitor data is sent to control center in real time, realize warehouse-in store alarms and the display in real time of data;
B) data collected are sent to coordinator node by wireless communication system after completing the collection of data, Presentation Function, terminal node thinks that after power-up initializing coordinator node sends request register instruction, follow Zigbee protocol and carry out network registration, gather temperature of oil in transformer information afterwards, and show in a lcd display, send data to coordinator node afterwards, after obtaining telegon response, terminal node closes peripheral components, carry out dormancy, to be interrupted wake up after carry out next collection period;
C) intuitively, clearly can be understood the state of temperature of oil in transformer by the observation interface managerial personnel of long distance control system, realize that temperature shows in real time, overload alarm, data filing, the inquiry of historical data function.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510471529.6A CN105043592A (en) | 2015-08-05 | 2015-08-05 | Transformer oil temperature monitoring system and method based on wireless local area network |
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| CN201510471529.6A CN105043592A (en) | 2015-08-05 | 2015-08-05 | Transformer oil temperature monitoring system and method based on wireless local area network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238485A (en) * | 2018-11-30 | 2019-01-18 | 国网上海市电力公司 | Intelligent transformer digital display oil temperature gauge based on low-power wireless communication |
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| CN201731952U (en) * | 2010-06-07 | 2011-02-02 | 西安工程大学 | Oil temperature on-line monitoring system of transformer based on ZigBee |
| WO2011116438A1 (en) * | 2010-03-26 | 2011-09-29 | Varixx Industria Eletronica | Process and device for temperature measurements, without contact as substitute of thermographies. |
| CN202956217U (en) * | 2012-12-06 | 2013-05-29 | 西安工程大学 | Primary equipment temperature on-line monitoring system for concentrative intelligent substation |
| CN203024872U (en) * | 2012-12-19 | 2013-06-26 | 于宝成 | Self power supply type wireless temperature measurement system |
| US20150117492A1 (en) * | 2011-04-01 | 2015-04-30 | Rohm Co., Ltd. | Temperature detecting circuit and temperature detecting apparatus using the same |
| CN104716741A (en) * | 2015-02-13 | 2015-06-17 | 华东理工大学 | Transformer substation remote monitoring system and method |
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2015
- 2015-08-05 CN CN201510471529.6A patent/CN105043592A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011116438A1 (en) * | 2010-03-26 | 2011-09-29 | Varixx Industria Eletronica | Process and device for temperature measurements, without contact as substitute of thermographies. |
| CN201731952U (en) * | 2010-06-07 | 2011-02-02 | 西安工程大学 | Oil temperature on-line monitoring system of transformer based on ZigBee |
| US20150117492A1 (en) * | 2011-04-01 | 2015-04-30 | Rohm Co., Ltd. | Temperature detecting circuit and temperature detecting apparatus using the same |
| CN202956217U (en) * | 2012-12-06 | 2013-05-29 | 西安工程大学 | Primary equipment temperature on-line monitoring system for concentrative intelligent substation |
| CN203024872U (en) * | 2012-12-19 | 2013-06-26 | 于宝成 | Self power supply type wireless temperature measurement system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109238485A (en) * | 2018-11-30 | 2019-01-18 | 国网上海市电力公司 | Intelligent transformer digital display oil temperature gauge based on low-power wireless communication |
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