CN201867270U - Wireless temperature measurement system used in high-voltage power environment - Google Patents
Wireless temperature measurement system used in high-voltage power environment Download PDFInfo
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- CN201867270U CN201867270U CN2010205220255U CN201020522025U CN201867270U CN 201867270 U CN201867270 U CN 201867270U CN 2010205220255 U CN2010205220255 U CN 2010205220255U CN 201020522025 U CN201020522025 U CN 201020522025U CN 201867270 U CN201867270 U CN 201867270U
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Abstract
The utility model provides a wireless temperature measurement system used in high-voltage power environment, which is used for realizing the real-time collection of temperature data for power system equipment and consists of a wireless temperature measurement terminal, a wireless repeater and a wireless convergence terminal. The temperature data on site are collected by the wireless temperature measurement terminal of the system in a real time manner, and are converted and transmitted to the wireless convergence terminal. The temperature data are analyzed by the wireless convergence terminal and are displayed on upper computer software. The wireless convergence terminal realizes the functions of real time monitoring, alarm prompt, data inquiry and the like in coordination with the software. The system has the advantages of strong anti-jamming capability, data real-timeness, high reliability and flexible installation.
Description
Technical field
The utility model relates to a kind of wireless temperature measurement system that is applied to the power high voltage environment, in order to solve the real-time acquisition problems of temperature data of power system device.Especially be applied to power equipments such as high-voltage switch gear, gas insulated transformer substation, current carrying bus.
Background technology
In electric system, temperature rise can appear in power equipments such as high-voltage switch gear, GIS device such as (gas insulated transformer substation) high-tension electricity and current carrying bus when load current is excessive too high, can make adjacent live part performance degradation at last, even puncture, superintendent office provides data analysis according to electric power safety, thousands of of the annual because major accidents of high-voltage switch gear, the too high initiation of bus temperature of whole nation kiowatt are given and are produced and operation causes the tremendous economic loss.By the ruuning situation of monitoring bus contact, high-voltage cable joint, high-voltage switch gear contact temperature, can prevent effectively that high pressure is defeated, the generation of power transformation fault, provide effective guarantee for realizing safety in production.Therefore monitoring high voltage bus and the high-voltage switch gear contact temperature of adopting an effective measure is the key subjects that solution is badly in need of in electric system.
Many buses and switch are in noble potential, the present domestic method that is usually used in the temperature monitoring of high voltage bus, high-voltage switch gear, a kind of is to be coated with the temperature variant luminescent material of one deck color at the high-tension electricity surface in contact, come roughly to determine temperature range by observing its change color, low, the poor reliability of this method accuracy can not be carried out quantitative measurment; Another method is to utilize the thermal infrared imager of radiation characteristic, and accuracy is higher, but owing to need optical device, it is not too convenient to use in specific occasions such as high-tension switch cabinets, and price is higher, has applied certain difficulty.The more important thing is that above dual mode all needs manually to patrol, can not obtain temperature data in real time, resulting data lag behind forever, do not have temperature Realtime Alerts function.And the electronic instrument of wire communication mode does not meet power high voltage environment measurement instrument standard.
At present, there is the part wireless temperature measurement system coming into operation, but the solution that one of the most employing of this series products or a small amount of several thermometric terminal just need be furnished with a convergence terminal, this scheme is loaded down with trivial details in the wiring of convergence terminal and upper computer end, especially when the thermometric terminal quantity is big, there are a lot of troubles with the communication of convergence terminal in host computer with being connected, and does not bring into play the advantage of wireless transmission fully.And the temperature sensor of thermometric terminal places terminal inner, in order to reduce temperature measurement error, needs the thermometric terminal is pressed close to the high temperature side warm spot when installing and using.Such shortcoming is: the high temperature of point for measuring temperature is all influential to the stability and the serviceable life of thermometric terminal inner electronic devices and components, and simultaneously, there are distance in temperature sensor and point for measuring temperature, and there is error in temperature survey.
Summary of the invention
The utility model is intended to improve above method shortcoming, and a kind of complete holonomic system that the power equipment temperature is measured, converges, analyzed and reports to the police is provided.
A kind of high-tension electricity wireless temperature measurement system, comprise temperature sensor, wireless temperature measurement terminal, wireless repeater and wireless convergence terminal etc., it is characterized in that: temperature sensor passes through lead, be welded on the circuit board of wireless temperature measurement terminal, the temperature of high-tension electricity utensil detects by temperature sensor and obtains, be sent to subsequently in the thermometric terminal and store, the temperature data of thermometric terminal storage is sent to wireless convergence terminal by radio repeater station again.
Described high-tension electricity wireless temperature measurement system is characterized in that: a wireless convergence terminal can receive a plurality of wireless temperature measurement terminal datas, and the thermometric terminal can be added arbitrarily or delete.
Described high-tension electricity wireless temperature measurement system is characterized in that: described wireless convergence terminal adopts network interface or RS-232 interface or RS-485 interface to communicate by letter with host computer, adopts the power supply of direct current linear power supply.
Described high-tension electricity wireless temperature measurement system is characterized in that: described wireless convergence terminal adopts the GPRS/CDMA module that data are carried out wireless remote and carries.
Described high-tension electricity wireless temperature measurement system is characterized in that: described wireless convergence terminal adopts external replaceable antenna.
Described high-tension electricity wireless temperature measurement system is characterized in that: described wireless repeater uses the power supply of direct current linear power supply.
Described high-tension electricity wireless temperature measurement system is characterized in that: described wireless repeater adopts external replaceable antenna.
Described high-tension electricity wireless temperature measurement system is characterized in that: temperature sensor separates with the thermometric terminal enclosure, connects with data line between the two.
Described high-tension electricity wireless temperature measurement system is characterized in that: described wireless temperature measurement terminal adopts the single-unit lithium battery power supply, and replaceable, its internal battery electric quantity monitoring circuit can send the battery electric quantity data to host computer.
Described high-tension electricity wireless temperature measurement system is characterized in that: wireless transmitting chip is arranged in the wireless temperature measurement terminal, and this wireless transmit chip operation has the batch (-type) sending function in the 433MHZ frequency range, and adjustable power.
Described high-tension electricity wireless temperature measurement system is characterized in that: shell the first half of wireless temperature measurement terminal is hemispherical, and the latter half is a column, and the position, fixed installation hole of thermometric terminal is positioned at the bottom of thermometric terminal.
Native system is by the wireless temperature measurement terminal, and wireless repeater and wireless convergence terminal are formed.The temperature signal of wireless temperature measurement terminal collection is by wireless repeater or directly be sent to wireless convergence terminal, wireless convergence terminal resolution temperature signal, and communicate with host computer, cooperate upper computer software to reach temperature and monitor in real time, report to the police functions such as data query.Simultaneously, if any the remote data communication need, can data be sent to remote temperature Surveillance center handle, monitoring in wireless convergence terminal apolegamy GPRS or CDMA module.
The wireless temperature measurement terminal of native system is separated arrangement with temperature sensor with the thermometric terminal enclosure, connects by data line between the two, and both all adopt corrosion-resistant, and anti-high and low temperature material is made, and can adapt to the demand of varying environment.During thermometric, the temperature analog signal that temperature sensor collects is sent in the terminal, via A/D (digital-to-analog) conversion chip digital signal being sent into single-chip microcomputer handles, with data storage in EEPROM, and send by the wireless transmit chip, the wireless transmit chip operation is in the 433MHZ frequency range.The thermometric terminal adopts batch (-type) to send, and sends at interval and can set, and is guaranteeing that measuring temperature has accurately prolonged serviceable life simultaneously.
The wireless repeater of native system is applicable to when thermometric terminal and convergence terminal distance and exceeds effective propagation path, or because the situation that the transmission range that interference such as on-the-spot electromagnetism cause is reduced.It adopts the external power supply power supply, and inside is provided with rectification, and filtering circuit has guaranteed the reliability that signal transmits, authenticity.Simultaneously, external 4dB antenna can guarantee the stability that signal transmits.
The wireless convergence terminal of native system can adopt multiple mode such as Ethernet interface or RS-232 interface or RS-485 interface and host computer to communicate, and convergence terminal can receive from tens even the data that transmit of a hundreds of thermometric terminal.External antenna has guaranteed stability of data transmission.
Characteristics of the present utility model:
1. temperature sensor adopts easy heat conduction, and resistant material is made, and to the temperature variation sensitivity, thermometric is accurate, and meets the site environment requirement.Temperature sensor separates with the thermometric terminal, can make temperature sensor more press close to point for measuring temperature, and temperature survey is more accurate, makes the installation of temperature sensor and thermometric terminal more flexible simultaneously.
2. the thermometric terminal enclosure adopts resistant material to make, and can use the environment for use of different condition, can reach the IP68 classification of waterproof simultaneously.Shell the first half is a hemisphere, and the latter half is a cylinder.
3. thermometric terminating circuit plate portion adopts high precision, low-power consumption element, 18 A/D chips, AVR low-power consumption high-speed microprocessor, low-power consumption, high sensitivity, power-adjustable wireless transmission chip, the replaceable lithium battery of high power capacity, guarantee the high reliability of data, accuracy has reduced overall power simultaneously, extends working time, and battery is built-in with battery flowmeter charge circle, can send the battery electric quantity data to host computer.
4. wireless repeater its adopt external power supply power supply, inside is provided with rectification, filtering circuit has guaranteed the reliability of signal transmission.Its corresponding wireless temperature measurement terminal can set up on their own according to demand, adds.When wireless temperature measurement terminal and wireless convergence terminal are in the effective propagation path, need not to use wireless repeater.
5. wireless convergence terminal only adopts a data lines or netting twine just can communicate with host computer, has reduced the cost and the difficulty of wiring, has improved reliability.The thermometric terminal quantity of convergence terminal correspondence can set up on their own, in communication range, can arbitrarily add, and deletion wireless temperature measurement terminal has improved dirigibility.
Description of drawings
Fig. 1 is the structural representation of power high voltage wireless temperature measurement system.
Fig. 2 is the remote transmission synoptic diagram of power high voltage wireless temperature measurement system.
Fig. 3 is the side diagrammatic cross-section of the wireless temperature measurement terminal of power high voltage wireless temperature measurement system.
Among the figure: the 1-temperature sensor connects the aperture; The 2-antenna; 3-mainboard gib screw; The 4-circuit board; 5-anode contact; 6-battery cathode contact
Embodiment
Below in conjunction with description of drawings the utility model embodiment.
As shown in Figure 1, the temperature signal of wireless temperature measurement terminal collection is by wireless repeater or directly be sent to wireless convergence terminal, wireless convergence terminal resolution temperature signal, and communicate with the host computer of the real-time Surveillance center of temperature, cooperating upper computer software to reach temperature monitors in real time, report to the police functions such as data query.
As shown in Figure 2, when the remote data transmission demand, the data that upload to wireless convergence terminal can be passed through the GPRS/CDMA module, send to remote temperature Surveillance center and carry out data monitoring.
As shown in Figure 3, temperature sensor passes the aperture on the thermometric terminal enclosure by lead, is welded on the circuit board of wireless temperature measurement terminal.The positive centre of circuit board is welded with the wireless transmit antenna of thermometric terminal, is spiral copper antenna.Back of circuit board is welded with the both positive and negative polarity contact of battery.Circuit board fixes by the latter half shell of gib screw and thermometric terminal.Terminal is used 18505 type lithium battery power supplies, needs during use the battery exocuticle is divested about 25mm forward by negative pole, so that battery can firmly contact with the both positive and negative polarity contact on the circuit board.
In the use, battery is pushed battery compartment according to the inside direction of positive pole, finish that in upper computer end the thermometric terminal is sent at interval, the setting of sendaisle, fixing with screw again the battery compartment lid.The thermometric terminal can be finished the collecting temperature data automatically, conversion, storage and the process that sends.
Claims (11)
1. high-tension electricity wireless temperature measurement system, comprise temperature sensor, wireless temperature measurement terminal, wireless repeater and wireless convergence terminal etc., it is characterized in that: temperature sensor passes through lead, be welded on the circuit board of wireless temperature measurement terminal, the temperature of high-tension electricity utensil detects by temperature sensor and obtains, be sent to subsequently in the thermometric terminal and store, the temperature data of thermometric terminal storage is sent to wireless convergence terminal by radio repeater station again.
2. according to the high-tension electricity wireless temperature measurement system described in the claim 1, it is characterized in that: a wireless convergence terminal can receive a plurality of wireless temperature measurement terminal datas, and the thermometric terminal can be added arbitrarily or delete.
3. according to the high-tension electricity wireless temperature measurement system described in the claim 1, it is characterized in that: described wireless convergence terminal adopts network interface or RS-232 interface or RS-485 interface to communicate by letter with host computer, adopts the power supply of direct current linear power supply.
4. according to the high-tension electricity wireless temperature measurement system described in the claim 1, it is characterized in that: described wireless convergence terminal adopts the GPRS/CDMA module that data are carried out wireless remote and carries.
5. according to the high-tension electricity wireless temperature measurement system described in claim 3 or 4, it is characterized in that: described wireless convergence terminal adopts external replaceable antenna.
6. according to the high-tension electricity wireless temperature measurement system described in the claim 1, it is characterized in that: described wireless repeater uses the power supply of direct current linear power supply.
7. according to the high-tension electricity wireless temperature measurement system described in claim 1 or 6, it is characterized in that: described wireless repeater adopts external replaceable antenna.
8. according to the high-tension electricity wireless temperature measurement system described in the claim 1, it is characterized in that: temperature sensor separates with the thermometric terminal enclosure, connects with data line between the two.
9. according to the high-tension electricity wireless temperature measurement system described in the claim 1, it is characterized in that: described wireless temperature measurement terminal adopts the single-unit lithium battery power supply, and replaceable, its internal battery electric quantity monitoring circuit can send the battery electric quantity data to host computer.
10. according to the high-tension electricity wireless temperature measurement system described in the claim 1, it is characterized in that: wireless transmitting chip is arranged in the wireless temperature measurement terminal, and this wireless transmit chip operation has the batch (-type) sending function in the 433MHZ frequency range, and adjustable power.
11. the high-tension electricity wireless temperature measurement system according to described in the claim 1 is characterized in that: shell the first half of wireless temperature measurement terminal is hemispherical, and the latter half is a column, and the position, fixed installation hole of thermometric terminal is positioned at the bottom of thermometric terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205220255U CN201867270U (en) | 2010-09-09 | 2010-09-09 | Wireless temperature measurement system used in high-voltage power environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205220255U CN201867270U (en) | 2010-09-09 | 2010-09-09 | Wireless temperature measurement system used in high-voltage power environment |
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| CN201867270U true CN201867270U (en) | 2011-06-15 |
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| CN2010205220255U Expired - Fee Related CN201867270U (en) | 2010-09-09 | 2010-09-09 | Wireless temperature measurement system used in high-voltage power environment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377116A (en) * | 2011-11-09 | 2012-03-14 | 厦门Abb开关有限公司 | Quick networking device of wireless measuring modules and quick networking method thereof |
| CN102818593A (en) * | 2012-08-14 | 2012-12-12 | 苏州左海电气有限公司 | Power cable intermediate head online monitoring data centralizing and transmitting device |
| CN103674291A (en) * | 2012-11-01 | 2014-03-26 | 曾奕 | Temperature monitoring system of all-insulated bus |
| CN104677514A (en) * | 2013-11-30 | 2015-06-03 | 中国科学院沈阳自动化研究所 | Wireless temperature measurement system for connection terminals of motor |
| CN106197698A (en) * | 2016-08-17 | 2016-12-07 | 国网青海省电力公司海东供电公司 | A kind of power equipment temperature monitoring method and system |
| CN107749158A (en) * | 2017-10-23 | 2018-03-02 | 中国电力科学研究院有限公司 | A kind of system and method for long-range monitoring Puffer-type power equipment air pressure |
| CN109410557A (en) * | 2018-10-31 | 2019-03-01 | 厦门理工学院 | A kind of monitoring high-voltage switch system and monitoring network |
| CN112781718A (en) * | 2020-08-24 | 2021-05-11 | 山东普越能源科技有限公司 | Wireless monitoring sensor and wireless state monitoring system thereof |
-
2010
- 2010-09-09 CN CN2010205220255U patent/CN201867270U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377116A (en) * | 2011-11-09 | 2012-03-14 | 厦门Abb开关有限公司 | Quick networking device of wireless measuring modules and quick networking method thereof |
| CN102377116B (en) * | 2011-11-09 | 2015-04-08 | 厦门Abb开关有限公司 | Quick networking device of wireless measuring modules and quick networking method thereof |
| CN102818593A (en) * | 2012-08-14 | 2012-12-12 | 苏州左海电气有限公司 | Power cable intermediate head online monitoring data centralizing and transmitting device |
| CN103674291A (en) * | 2012-11-01 | 2014-03-26 | 曾奕 | Temperature monitoring system of all-insulated bus |
| CN104677514A (en) * | 2013-11-30 | 2015-06-03 | 中国科学院沈阳自动化研究所 | Wireless temperature measurement system for connection terminals of motor |
| CN106197698A (en) * | 2016-08-17 | 2016-12-07 | 国网青海省电力公司海东供电公司 | A kind of power equipment temperature monitoring method and system |
| CN107749158A (en) * | 2017-10-23 | 2018-03-02 | 中国电力科学研究院有限公司 | A kind of system and method for long-range monitoring Puffer-type power equipment air pressure |
| CN109410557A (en) * | 2018-10-31 | 2019-03-01 | 厦门理工学院 | A kind of monitoring high-voltage switch system and monitoring network |
| CN112781718A (en) * | 2020-08-24 | 2021-05-11 | 山东普越能源科技有限公司 | Wireless monitoring sensor and wireless state monitoring system thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20120909 |