CN202229850U - Wireless temperature on-line monitoring and early-warning system - Google Patents

Wireless temperature on-line monitoring and early-warning system Download PDF

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Publication number
CN202229850U
CN202229850U CN2011204030332U CN201120403033U CN202229850U CN 202229850 U CN202229850 U CN 202229850U CN 2011204030332 U CN2011204030332 U CN 2011204030332U CN 201120403033 U CN201120403033 U CN 201120403033U CN 202229850 U CN202229850 U CN 202229850U
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CN
China
Prior art keywords
circuit
temperature
monitor
warning
wireless
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Expired - Fee Related
Application number
CN2011204030332U
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Chinese (zh)
Inventor
李斌
王吉涛
王中明
吕艳霞
冯万里
高晗璎
吕洪涛
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State Grid Corp of China SGCC
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HEGANG CITY POWER BUREAU
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Priority to CN2011204030332U priority Critical patent/CN202229850U/en
Application granted granted Critical
Publication of CN202229850U publication Critical patent/CN202229850U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a wireless temperature on-line monitoring and early-warning system, which consists of a temperature measuring module, a monitor and a monitoring computer, wherein the temperature measuring module is wirelessly connected with the monitor; the monitor is connected with the monitoring computer by an RS485 bus or in a GPRS (General Packet Radio Service) way; the temperature measuring module comprises a temperature sensor, a micro-controller and a Zigbee transceiving RF (Radio Frequency) circuit; the temperature sensor is connected with the micro-controller; the micro-controller is connected with the Zigbee transceiving RF circuit; and a master control MCU (Micro-programmed Control Unit) is connected with a data receiving circuit, an RS485 circuit, a liquid crystal display and a warning circuit respectively. The wireless temperature on-line monitoring and early-warning system reflects the situation of temperature change at the connection point of a bus timely and accurately, avoids various accidents caused by temperature rise, improves the management informatization level of a transformer substation and realizes the wireless temperature on-line monitoring. The temperature of primary equipment of the transformer substation can be given to the related department at any time through a local area network, a scientific and reasonable equipment overhaul plan can be made based on the measured data, further, the response capability of power-supply management can be improved.

Description

The wireless temperature online detection early warning system
(1) technical field
The utility model relates to the wireless monitor technology, is exactly a kind of wireless temperature online detection early warning system specifically.
(2) background technology
For a long time; The interface running temperature of high-tension apparatus is difficult to real time on-line monitoring, and this is because these positions all have exposed high pressure, the still confined space that has; And the space is narrow and small, and common thermometry can't be used because of solving the High-Voltage Insulation problem.
There is following problem in traditional temperature monitoring: (1) through the Optical Fiber Transmission temperature signal, because optical fiber will be close to testee, and there is high pressure on the testee surface; Make optical fiber insulation easy ageing; Destroy its physical strength, and optical fiber itself also receives the pollution of environment easily, cause the optical fiber discharge.(2) infrared thermometry.This method receives through the infrared signal receiving equipment and measures temperature from the infrared signal on the primary equipment; This method temperature value measured error is bigger; And it is bigger to receive the external interference influence, and like the influence of sunlight and other thermal source, and cost is expensive especially.(3) regularly equipment is detected with some Wen Yi.Can only detect temperature at that time owing to put warm appearance; Can not realize monitoring in real time and alarm in time; In the process of patrolling and examining, patrol and examine personnel's sense of responsibility, monitoring time at interval, take measurement of an angle, the measuring point is all extremely difficult grasps; Cause a lot of equipment thermometrics inaccurate like this, it is bigger mistake survey, test leakage and error to occur, and problem can not be by timely discovery and processing; Thereby it is accidents caused.
(3) summary of the invention
The purpose of the utility model is to provide a kind of wireless temperature online detection early warning system.
The purpose of the utility model is achieved in that it is made up of temperature measurement module, monitor and monitoring computer, temperature measurement module wireless connections monitor, and monitor connects monitoring computer through RS485 bus or GPRS.
The utility model also has following technical characterictic:
(1) described temperature measurement module comprises temperature sensor, microprocessor controls circuit, Zigbee transmitting-receiving RF circuit and power supply; Temperature sensor connects the microprocessor controls circuit; The microprocessor controls circuit connects Zigbee transmitting-receiving RF circuit, and power supply connects temperature sensor, microprocessor controls circuit and Zigbee transmitting-receiving RF circuit respectively.
(2) described monitor comprises data receiver circuit, RS485 circuit or RS232 circuit, liquid crystal display display circuit, main control MCU, warning circuit and power module, and main control MCU connects data receiver circuit, RS485 circuit or RS232 circuit, liquid crystal display display circuit, warning circuit and power module respectively
The utility model wireless temperature online detection early warning system can reflect bus contact temperature situation of change timely and accurately, stops all kinds of accidents because of the temperature rise initiation, improves the substation management level of IT application, realizes the wireless temperature on-line real time monitoring.To relevant department the transforming plant primary equipment temperature conditions is provided at any time through LAN, utilizes the data that record to work out scientific and reasonable Plant maintenance plan, further improve the adaptability to changes of power supply management.
(4) description of drawings
Fig. 1 is the temperature measurement module circuit diagram of the utility model;
Fig. 2 is the block diagram of the utility model.
(5) embodiment
For example the utility model is described further below in conjunction with accompanying drawing.
Embodiment 1: combine Fig. 2; A kind of wireless temperature online detection early warning system of the utility model; It is made up of temperature measurement module (20), monitor (21) and monitoring computer (13); Temperature measurement module (20) wireless connections monitor (21), monitor (21) connects monitoring computer (13) through RS485 bus or GPRS.
The utility model also has following technical characterictic:
Described temperature measurement module (20) comprises temperature sensor (7), microprocessor controls circuit (8), Zigbee transmitting-receiving RF circuit (9) and power supply (10); Temperature sensor (7) connects microprocessor controls circuit (8); Microprocessor controls circuit (8) connects Zigbee transmitting-receiving RF circuit (9), and power supply (10) connects temperature sensor (7), microprocessor controls circuit (8) and Zigbee transmitting-receiving RF circuit (9) respectively.
Described monitor (21) comprises data receiver circuit (1), RS485 circuit or RS232 circuit (2), liquid crystal display display circuit (3), main control MCU (4), warning circuit (5) and power module (6), and main control MCU (4) connects data receiver circuit (1), RS485 circuit or RS232 circuit (2), liquid crystal display display circuit (3), warning circuit (5) and power module (6) respectively.
Embodiment 2: combine Fig. 1, Fig. 2, a kind of wireless temperature online detection early warning system of the utility model is a gordian technique based on ZigBee technology groups net mode wherein.The effect of this system specifically is exactly temperature data (if the distance that monitors; Need add transistroute) upload to monitor through the Zigbee network; If the out-of-limit solid-state relay that just triggers is reported to the police, and give monitoring computer packing temperature data uploading well through RS485 bus or GPRS.Monitoring computer receives data through the RS232 bus and on computers with the comparison and the variation tendency of curve map image ground video data.And data storing in database; Through these data are analyzed, statistics, comprehensive inquiry, the accident that may take place is made qualitative, quantitative test, generate form etc.; If the out-of-limit alerting signal that just provides; The simultaneous temperature value becomes redness and flicker, otherwise temperature value is green, and early warning is yellow.To relevant department the transforming plant primary equipment temperature conditions is provided at any time through LAN simultaneously, can utilizes the data that record to work out scientific and reasonable Plant maintenance plan, further improved the adaptability to changes of power supply management.The utility model is the temperature variation of the switch cubicle bus contact of monitoring substation, switching station, and the bus of a switch cubicle has six contacts, is respectively that A, B, C three-phase advance with three-phase.Place a temperature measurement module on each contact, each temperature measurement module all has a unique ID number.Temperature measurement module adopts built-in aerial, and volume is little, is fit to the narrow and small airtight space of switch cubicle.Temperature measurement module adopts low power dissipation design and lithium ion battery power supply, and battery life can reach more than 5 years.The temperature measurement module circuit mainly contains the temperature sensor testing circuit, the microprocessor controls circuit, and Zigbee transmitting-receiving RF circuit and power supply are formed.The temperature measurement module circuit is seen Fig. 1, the CC2530F32 that the main control chip of temperature measurement module selects for use American TI Company to produce, and it is the real SOC(system on a chip) of complete compatible IEEE 80215.4, meets the requirement of Zigee fully.Its power consumption is lower, and receiving sensitivity and antijamming capability are outstanding, and it is integrated into control circuit and radio circuit (RF) in the chip, and volume significantly reduces.It sensor to temperature signal after CPU handles, convert 2.4GHz (international popular) signal to; When sending to monitor through wireless radio frequency modules; Also be transferred to monitor to ID number; A monitor can be managed 30 temperature sensors simultaneously, can show the temperature value (three switch cubicles) of maximum 18 sensors.The CC2530F32 that the main control chip of monitor selects for use American TI Company to produce; The liquid crystal display that adds a LCD band Chinese word library; Real-time displays temperature value; Realize that temperature online monitors in real time, upload to monitoring computer to temperature data with ID number through RS485 bus or GPRS simultaneously, monitoring computer receives data through the RS232 bus and on computers with the comparison and the variation tendency of vivid ground of curve map video data.And data storing in database; Through these data are analyzed, statistics, comprehensive inquiry; The accident that may take place is made qualitative, quantitative test, generate form etc., if out-of-limitly provide alerting signal, the simultaneous temperature value becomes redness and flicker; Otherwise temperature value is green, and early warning is yellow.To relevant department the transforming plant primary equipment temperature conditions is provided at any time through LAN simultaneously, can utilizes the data that record to work out scientific and reasonable Plant maintenance plan, further improved the adaptability to changes of power supply management.
The key component of the utility model is a ZigBee wireless network networking technology, mainly is made up of three parts, i.e. the reception of networking and monitor and transmitting element between temperature acquisition, the temperature measurement module.
1) temperature collecting cell
One-line digital temperature sensor DS18B20 as shown in Figure 1, that temperature collecting cell adopts U.S. DALLAS semiconductor company to produce, it has microminiaturization, low-power consumption, advantage such as antijamming capability is strong.Temperature measurement range :-55~+ 125 ℃, precision: ± 0.5 ℃ (20~+ 80 ℃) meet the switch cubicle temperature requirement.Temperature sensor DS18B20 has only three pins, and 1 pin and 3 pin are ground and power supply.2 pin connect the I/O mouth of controller, and C1, C2, C3, C4, C5, L1 and L2 constitute no Ba Lun impedance matching circuit (RF), and antenna uses whiplike negative polarity antenna in 50 Europe or built-in aerial.Controller converts the temperature data that collects to the 2.4GHz signal, passes through radio frequency (RF) circuit again and sends.
2) networking unit between the temperature measurement module
Each temperature measurement module all has a unique ID number, and they all belong to terminal node.Be responsible for collecting the temperature data that radio temperature sensor sends, and upload to monitor to collected data through the Zigbee network, it is confirmed by IP address (ID) separately.If distance just need add transistroute, monitor belongs to and converges node, plays the effect of network coordinator.Monitor is receiving temperature data and compare for ID number, if the out-of-limit solid-state relay that just triggers is reported to the police and anti-white demonstration on the LCD liquid crystal display.Simultaneously upload to monitoring computer to temperature data with ID number through RS485 bus or GPRS, monitoring computer receives data through the RS232 bus and on computers with the comparison and the variation tendency of vivid ground of curve map video data.And data storing in database; Through these data are analyzed, statistics, comprehensive inquiry; The accident that may take place is made qualitative, quantitative test, generate form etc., to relevant department the transforming plant primary equipment temperature conditions is provided at any time through LAN simultaneously; Can utilize the data that record to work out scientific and reasonable Plant maintenance plan, further improve the adaptability to changes of power supply management.
3) reception of monitor and transmitting element
The reception and the transtation mission circuit of monitor comprise microcontroller, Zigbee radio frequency (RF) circuit, RS485 bus circuit or RS232 bus circuit and power supply.As shown in Figure 2; Power circuit is by mains-supplied; Monitor receives temperature data through the Zigbee network; Again through the RS485 bus through the RS485-RS232 converter circuit the temperature data that receives with send to supervisory control comuter ID number, perhaps send to supervisory control comuter to signal through GPRS network through the RS232 bus circuit, monitoring computer receives data through the RS232 bus and on computers with the comparison and the variation tendency of curve map image ground video data.
Embodiment 3: the utility model wireless temperature online detection early warning system mainly comprises wireless temperature measure module, and monitor (network coordinator) and supervisory control comuter three parts are formed.The temperature-sensitive face and the busbar joint of wireless temperature measure module stick together; And be fixed with high temperature band or organic silica gel, each switch cubicle has six bus contacts, and A, B, C three-phase advance with three-phase; Its sends to monitor to temperature data of monitoring and ID number through the Zigbee network; And show that on monitor a monitor can show the temperature value (three switch cubicles) of maximum 18 sensors, if out-of-limit just the triggering reported to the police; Monitor both can be installed on the switch cubicle door, also can be installed in the outer appropriate location of switch cubicle.Simultaneously; Monitor is uploaded to supervisory control comuter to the data that receive through RS485 bus or GPRS, real-time on computers displays temperature data, and temperature upper limit can pass through software set; The temperature acquisition cycle also can be set; If out-of-limitly provide alerting signal, the simultaneous temperature value becomes redness and flicker, otherwise temperature value is green, and early warning be a yellow.Also can pass to upper level competent authorities to data, for its decision-making provides scientific basis through LAN.It is big that the Zigbee network has a capacity, advantage such as low in energy consumption, and battery life can reach more than 5 years.The utility model wireless temperature online detection early warning system can reflect bus contact temperature situation of change timely and accurately, has stopped all kinds of accidents because of the temperature rise initiation, has improved the substation management level of IT application, has realized the wireless temperature on-line real time monitoring.

Claims (3)

1. wireless temperature online detection early warning system; It is made up of temperature measurement module (20), monitor (21) and monitoring computer (13); It is characterized in that: temperature measurement module (20) wireless connections monitor (21), monitor (21) connects monitoring computer (13) through RS485 bus or GPRS.
2. a kind of wireless temperature online detection early warning system according to claim 1; It is characterized in that: described temperature measurement module (20) comprises temperature sensor (7), microprocessor controls circuit (8), Zigbee transmitting-receiving RF circuit (9) and power supply (10); Temperature sensor (7) connects microprocessor controls circuit (8); Microprocessor controls circuit (8) connects Zigbee transmitting-receiving RF circuit (9), and power supply (10) connects temperature sensor (7), microprocessor controls circuit (8) and Zigbee transmitting-receiving RF circuit (9) respectively.
3. a kind of wireless temperature online detection early warning system according to claim 1; It is characterized in that: described monitor (21) comprises data receiver circuit (1), RS485 circuit or RS232 circuit (2), liquid crystal display display circuit (3), main control MCU (4), warning circuit (5) and power module (6), and main control MCU (4) connects data receiver circuit (1), RS485 circuit or RS232 circuit (2), liquid crystal display display circuit (3), warning circuit (5) and power module (6) respectively.
CN2011204030332U 2011-10-09 2011-10-09 Wireless temperature on-line monitoring and early-warning system Expired - Fee Related CN202229850U (en)

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Application Number Priority Date Filing Date Title
CN2011204030332U CN202229850U (en) 2011-10-09 2011-10-09 Wireless temperature on-line monitoring and early-warning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204030332U CN202229850U (en) 2011-10-09 2011-10-09 Wireless temperature on-line monitoring and early-warning system

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103674292A (en) * 2013-10-18 2014-03-26 国家电网公司 Temperature detecting method and apparatus for devices of transformer station
CN103728051A (en) * 2013-11-15 2014-04-16 成都市宏山科技有限公司 Busbar joint temperature rise monitoring device based on ZigBee
CN105511345A (en) * 2015-11-30 2016-04-20 罗中良 Zigbee IOT (Internet of Things) module and low-power-consumption control method therefor
CN105597258A (en) * 2016-03-14 2016-05-25 浙江菲曼物联科技有限公司 Remote fire hydrant monitoring system based on GPRS and use method of remote fire hydrant monitoring system
CN110887575A (en) * 2019-12-04 2020-03-17 武汉瑞莱保能源技术有限公司 Intelligent monitoring system for abnormal temperature rise of hydropower station equipment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103674292A (en) * 2013-10-18 2014-03-26 国家电网公司 Temperature detecting method and apparatus for devices of transformer station
CN103728051A (en) * 2013-11-15 2014-04-16 成都市宏山科技有限公司 Busbar joint temperature rise monitoring device based on ZigBee
CN105511345A (en) * 2015-11-30 2016-04-20 罗中良 Zigbee IOT (Internet of Things) module and low-power-consumption control method therefor
CN105511345B (en) * 2015-11-30 2019-02-26 惠州爱镝威电气有限公司 A kind of Zigbee Internet of Things module and its Low-power-consumptiocontrol control method
CN105597258A (en) * 2016-03-14 2016-05-25 浙江菲曼物联科技有限公司 Remote fire hydrant monitoring system based on GPRS and use method of remote fire hydrant monitoring system
CN110887575A (en) * 2019-12-04 2020-03-17 武汉瑞莱保能源技术有限公司 Intelligent monitoring system for abnormal temperature rise of hydropower station equipment

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: STATE ELECTRIC NET CROP.

Free format text: FORMER OWNER: HEGANG POWER ADMINISTRATION

Effective date: 20130423

Owner name: HEGANG POWER ADMINISTRATION

Effective date: 20130423

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 154101 HEGANG, HEILONGJIANG PROVINCE TO: 100031 DONGCHENG, BEIJING

TR01 Transfer of patent right

Effective date of registration: 20130423

Address after: 100031 West Chang'an Avenue, Beijing, No. 86

Patentee after: State Grid Corporation of China

Patentee after: Hegang City Power Bureau

Address before: 154101 No. 2 wo he road, Hegang, Heilongjiang

Patentee before: Hegang City Power Bureau

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120523

Termination date: 20191009