CN108168719A - A kind of wireless temperature measurement system for high-tension switch cabinet - Google Patents

A kind of wireless temperature measurement system for high-tension switch cabinet Download PDF

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Publication number
CN108168719A
CN108168719A CN201810054998.1A CN201810054998A CN108168719A CN 108168719 A CN108168719 A CN 108168719A CN 201810054998 A CN201810054998 A CN 201810054998A CN 108168719 A CN108168719 A CN 108168719A
Authority
CN
China
Prior art keywords
wireless
switch cabinet
wireless temperature
connect
tension switch
Prior art date
Application number
CN201810054998.1A
Other languages
Chinese (zh)
Inventor
董延杰
宋晓峰
吴其勇
关建国
张世权
Original Assignee
广州汉光电气股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广州汉光电气股份有限公司 filed Critical 广州汉光电气股份有限公司
Priority to CN201810054998.1A priority Critical patent/CN108168719A/en
Publication of CN108168719A publication Critical patent/CN108168719A/en

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02Means for indicating or recording specially adapted for thermometers
    • G01K1/024Means for indicating or recording specially adapted for thermometers for remote indication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02Means for indicating or recording specially adapted for thermometers
    • G01K1/026Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing

Abstract

The invention discloses a kind of wireless temperature measurement systems for high-tension switch cabinet, including radio temperature sensor, wireless temperature display instrument, network commutator, local monitor computer, web server and user terminal, the radio temperature sensor and wireless temperature display instrument wireless connection, the wireless temperature display instrument is connect by network commutator and then with local monitor computer, the local monitor computer is connect with web server, and the web server is connect with user terminal.The present invention can in real time carry out high-tension switch cabinet the automatic collection of each contact temperature by radio temperature sensor and wireless temperature display instrument, so that temperature change can be timely and accurately monitored before temperature is excessively high, manager is made to have the sufficient time to take appropriate measures, avoids that the generation of power outage phase fire occurs.It the composite can be widely applied in high-tension switch cabinet.

Description

A kind of wireless temperature measurement system for high-tension switch cabinet
Technical field
The present invention relates to thermometry field more particularly to a kind of wireless temperature measurement systems for high-tension switch cabinet.
Background technology
In electric system, temperature is to characterize an important parameter of equipment normal operation.It is with the development of science and technology social Power load constantly increases, in order to avoid on fire caused by equipment heating or explosion, temperature diagnosis have become respectively Each industry of row, which is kept the safety in production and reduced, loses one of taken important measure.Traditional temperature survey mode period is long, applies Work is complicated, and efficiency is low, is not easy to manage, and when breaking down, to consume a large amount of manpower and materials investigations and re-lay cable.In spy It is closed or there are high voltage to determine test point score, environment under occasion, many measurement methods can not realize measurement work at all.
Invention content
In order to solve the above-mentioned technical problem, it is measured accurately it is an object of the invention to a kind of, and for high-tension switch cabinet Wireless temperature measurement system.
The technical solution used in the present invention is:
A kind of wireless temperature measurement system for high-tension switch cabinet, including radio temperature sensor, wireless temperature display instrument, net Network converter, local monitor computer, web server and user terminal, the radio temperature sensor and wireless temperature display instrument Wireless connection, the wireless temperature display instrument are connect by network commutator and then with local monitor computer, the local prison Control computer is connect with web server, and the web server is connect with user terminal.
As a further improvement on the present invention, the radio temperature sensor include data acquisition unit, control unit and Wireless transmitter module, the output terminal of the data acquisition unit are connected by control unit and then with the input terminal of wireless transmitter module It connects, the wireless transmitter module and wireless temperature display instrument wireless connection.
As a further improvement on the present invention, the data acquisition unit includes acquisition elements, bridge-type measuring circuit, ADC Analog to digital conversion circuit, the output terminals of the acquisition elements pass sequentially through bridge-type measuring circuit and ADC analog to digital conversion circuits so that with The input terminal connection of control unit.
As a further improvement on the present invention, described control unit includes control chip, clock circuit and reset circuit, institute It states control chip respectively with clock circuit and reset circuit to be connected, the output terminal of the ADC analog to digital conversion circuits passes through control It chip and then is connect with the input terminal of wireless transmitter module.
As a further improvement on the present invention, the wireless temperature display instrument includes radio receiving transmitting module, microprocessor, shows The input terminal of display screen and 485 communication modules, the output terminal of the microprocessor and display screen connects, the microprocessor respectively with Radio receiving transmitting module and 485 communication modules are connected, the radio receiving transmitting module and wireless transmitter module wireless connection, described 485 communication modules are connected with network commutator.
The beneficial effects of the invention are as follows:
A kind of wireless temperature measurement system for high-tension switch cabinet of the invention is shown by radio temperature sensor and wireless temperature Show that instrument can in real time carry out high-tension switch cabinet the automatic collection of each contact temperature so that can be timely and accurately before temperature is excessively high It monitors temperature change, manager is made to have the sufficient time to take appropriate measures, avoid that the generation of power outage phase fire occurs.
Description of the drawings
Fig. 1 is a kind of principle schematic of wireless temperature measurement system for high-tension switch cabinet of the invention;
Fig. 2 is the principle box of radio temperature sensor in a kind of wireless temperature measurement system for high-tension switch cabinet of the invention Figure;
Fig. 3 is the principle box of wireless temperature display instrument in a kind of wireless temperature measurement system for high-tension switch cabinet of the invention Figure.
Specific embodiment
The specific embodiment of the present invention is described further below in conjunction with the accompanying drawings:
With reference to figure 1, a kind of wireless temperature measurement system for high-tension switch cabinet of the invention, including radio temperature sensor, nothing Line temperature indicator, network commutator, local monitor computer, web server and user terminal, the radio temperature sensor with Wireless temperature display instrument wireless connection, the wireless temperature display instrument are connected by network commutator and then with local monitor computer It connects, the local monitor computer is connect with web server, and the web server is connect with user terminal.The wireless temperature is shown Show that temperature data is sent to the temperature of local monitor Real time vision monitoring point by RS485 buses and network commutator by instrument Change curve is spent, collected temperature data is aggregated into local monitor computer, and long-term preservation, and leading in the database It crosses software and carries out analysis comparison, once finding temperature overheating or reaching pre-set alarm temperature, system sends out alarm immediately. The local monitor computer for having temperature data is accessed into web server simultaneously, carries out web publications.Web server and enterprise network Road connects.User terminal connects Intranet, realizes that any computer of enterprises can observe entire electric system Temperature conditions.The radio temperature sensor is mostly installed at the cable connection easily generated heat, transformer and switch surface. Each radio temperature sensor has unique ID numbers, and when actual installation use need to record the infield of each sensor, And with numbering in the database of typing local monitor computer together.The network commutator is RS485 converters.
Preferred embodiment is further used as, the radio temperature sensor includes data acquisition unit, control unit And wireless transmitter module, the output terminal of the data acquisition unit is by control unit and then the input terminal with wireless transmitter module Connection, the wireless transmitter module and wireless temperature display instrument wireless connection.
Be further used as preferred embodiment, the data acquisition unit include acquisition elements, bridge-type measuring circuit, ADC analog to digital conversion circuits, the output terminals of the acquisition elements pass sequentially through bridge-type measuring circuit and ADC analog to digital conversion circuits and then It is connect with the input terminal of control unit.
In the present embodiment, the acquisition elements are platinum resistance.Platinum resistance is a kind of material very sensitive to temperature, when outer Platinum resistance resistance value changes during boundary's temperature change, and the output voltage of bridge-type measuring circuit changes, and the voltage of variation is mould Analog quantity is converted to digital quantity by ADC analog to digital conversion circuits and is sent to control chip by analog quantity, and control chip turns by analysis It changes and temperature data is transferred to wireless transmitter module, the temperature data of reception is carried out conversion amplification and is sent to by wireless transmitter module The wireless receiving module of temperature indicator, and shown.Every 3 of the radio temperature sensor is one group, is respectively arranged in At the upper and lower static contact of switchgear disconnecting link A, B, C three-phase.The radio temperature sensor frequency range is 4334MHZ, transmission Distance is 30m~50m, emission current 20mA, operating voltage are 2.7~3.6v, maximum transmission power 1mW, measures temperature Ranging from -55 DEG C~+125 DEG C, measurement accuracy is divided into 2 minutes between ± 0.1 DEG C, time of measuring.
Preferred embodiment is further used as, described control unit includes control chip, clock circuit and reset circuit, The control chip is connected respectively with clock circuit and reset circuit, and the output terminal of the ADC analog to digital conversion circuits passes through control It coremaking piece and then is connect with the input terminal of wireless transmitter module.
In the present embodiment, the control chip controls chip using MSP430F149.The wireless transmitter module uses NRF24L01 controls chip.
Be further used as preferred embodiment, the wireless temperature display instrument include radio receiving transmitting module, microprocessor, Display screen and 485 communication modules, the output terminal of the microprocessor and the input terminal of display screen connect, the microprocessor difference It is connected with radio receiving transmitting module and 485 communication modules, the radio receiving transmitting module and wireless transmitter module wireless connection are described 485 communication modules are connected with network commutator.The wireless temperature display instrument external interface by power switch, power interface, RS485 interfaces and firmware upgrade mouth are formed.Wireless temperature display instrument described in the present embodiment can match of radio temperature sensor Number is 12.The wireless temperature display instrument frequency range is 433MHz~470MHz, voltage AC85V~264V;DC110V~ 370V;Communication speed is 9600bps;It is 12 that number of probes, which can be matched,;Display screen is 3 cun of LCD;Type of alarm is acousto-optic report It is alert.
It is that the preferable of the present invention is implemented to be illustrated, but the invention is not limited to the implementation above Example, those skilled in the art can also make various equivalent variations under the premise of without prejudice to spirit of the invention or replace It changes, these equivalent deformations or replacement are all contained in the application claim limited range.

Claims (5)

1. a kind of wireless temperature measurement system for high-tension switch cabinet, it is characterised in that:Including radio temperature sensor, wireless temperature Display instrument, network commutator, local monitor computer, web server and user terminal, the radio temperature sensor and wireless temperature Display instrument wireless connection is spent, the wireless temperature display instrument is connect by network commutator and then with local monitor computer, institute It states local monitor computer to connect with web server, the web server is connect with user terminal.
2. a kind of wireless temperature measurement system for high-tension switch cabinet according to claim 1, it is characterised in that:
The radio temperature sensor includes data acquisition unit, control unit and wireless transmitter module, and the data acquisition is single The output terminal of member is connect by control unit and then the input terminal with wireless transmitter module, the wireless transmitter module and wireless temperature Spend display instrument wireless connection.
3. a kind of wireless temperature measurement system for high-tension switch cabinet according to claim 2, it is characterised in that:
The data acquisition unit includes acquisition elements, bridge-type measuring circuit, ADC analog to digital conversion circuits, the acquisition elements Output terminal passes sequentially through bridge-type measuring circuit and ADC analog to digital conversion circuits and then is connect with the input terminal of control unit.
4. a kind of wireless temperature measurement system for high-tension switch cabinet according to claim 3, it is characterised in that:
Described control unit includes control chip, clock circuit and reset circuit, the control chip respectively with clock circuit and Reset circuit is connected, and the output terminal of the ADC analog to digital conversion circuits is by controlling chip and then defeated with wireless transmitter module Enter end connection.
5. a kind of wireless temperature measurement system for high-tension switch cabinet according to claim 2, it is characterised in that:
The wireless temperature display instrument includes radio receiving transmitting module, microprocessor, display screen and 485 communication modules, micro- place Manage device output terminal and display screen input terminal connect, the microprocessor respectively with radio receiving transmitting module and 485 communication modules It is connected, the radio receiving transmitting module and wireless transmitter module wireless connection, 485 communication module are connected with network commutator It connects.
CN201810054998.1A 2018-01-19 2018-01-19 A kind of wireless temperature measurement system for high-tension switch cabinet CN108168719A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810054998.1A CN108168719A (en) 2018-01-19 2018-01-19 A kind of wireless temperature measurement system for high-tension switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810054998.1A CN108168719A (en) 2018-01-19 2018-01-19 A kind of wireless temperature measurement system for high-tension switch cabinet

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CN108168719A true CN108168719A (en) 2018-06-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108917950A (en) * 2018-07-26 2018-11-30 郑州泰恩科技有限公司 A kind of high-tension switch cabinet wireless temperature measuring device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203443677U (en) * 2013-07-25 2014-02-19 平顶山中选自控系统有限公司 Wireless temperature measuring system for power distribution cabinet
CN204405198U (en) * 2014-12-24 2015-06-17 河南工业技术研究院 The wireless contact temp measuring system of a kind of high-tension switch cabinet
CN205919901U (en) * 2016-07-14 2017-02-01 国网河南省电力公司濮阳供电公司 High tension switchgear wireless temperature measuring system of transformer substation based on zigBee

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203443677U (en) * 2013-07-25 2014-02-19 平顶山中选自控系统有限公司 Wireless temperature measuring system for power distribution cabinet
CN204405198U (en) * 2014-12-24 2015-06-17 河南工业技术研究院 The wireless contact temp measuring system of a kind of high-tension switch cabinet
CN205919901U (en) * 2016-07-14 2017-02-01 国网河南省电力公司濮阳供电公司 High tension switchgear wireless temperature measuring system of transformer substation based on zigBee

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108917950A (en) * 2018-07-26 2018-11-30 郑州泰恩科技有限公司 A kind of high-tension switch cabinet wireless temperature measuring device

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Application publication date: 20180615

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