CN102967387A - Temperature monitoring system of electrical device connector - Google Patents
Temperature monitoring system of electrical device connector Download PDFInfo
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- CN102967387A CN102967387A CN2012104520186A CN201210452018A CN102967387A CN 102967387 A CN102967387 A CN 102967387A CN 2012104520186 A CN2012104520186 A CN 2012104520186A CN 201210452018 A CN201210452018 A CN 201210452018A CN 102967387 A CN102967387 A CN 102967387A
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Abstract
The invention provides a temperature monitoring system of an electrical device connector. The temperature monitoring system comprises a wireless temperature sensor unit and a temperature monitoring unit. The wireless temperature sensor unit comprises a passive wireless temperature sensor, a first wireless signal emitting receiver and a first single-chip microcomputer connected with the passive wireless temperature sensor and the first wireless signal emitting receiver. A temperature monitoring sensing unit comprises a display device, a second wireless signal emitting receiver and a second single-chip microcomputer connected with the display device and the second wireless signal emitting receiver. The wireless temperature sensor unit and the temperature monitoring unit are communicated in wireless mode. The temperature monitoring system of the electrical device connector can reflect temperature changing conditions of a measuring point timely and accurately. Due to the passive wireless temperature sensor, use of connection wires can be avoided, a power supply is not used, and low-cost, safe and reliable monitoring of the temperature of the electrical device connector can be achieved.
Description
Technical field
The present invention relates to the temperature monitoring technical field, more particularly, relate to a kind of electrical equipment connector temperature monitoring system.
Background technology
Along with the raising of Chinese industrial production automation level, power equipment repairing after the fault progressively be transitioned into preventative maintenance become send out, for, the electricity consumption industry is paid close attention to and the focus of research.The visual plants such as the high-tension switch cabinet of generating plant, transformer station, busbar joint, indoor and outdoor chopper switch, in During Process of Long-term Operation, it is loosening because expanding with heat and contract with cold surface oxidation burn into fastening bolt to occur, the problems such as contact and bus bar junction are aging, cause the contact resistance of electrical equipment joint to increase, and along with the develop rapidly of national economy, it is increasing to load, these cause very easily that all the electrical equipment temperature rise is too high, as can not get timely solution the insulating element performance will be reduced, even cause puncturing, cause serious accident, thereby cause heavy economic losses.In recent years, in power plant and transformer station a lot of switch overheat accidents have occured, caused fire and large area blackout, solving switch overheated is to stop the key that this type of accident occurs, and realizes that on-line temperature monitoring is the important means that guarantees high-tension apparatus safety.
At present, generally use the temperature that infrared temperature-test technology detects the electrical equipment joint abroad.But because the core technology of infrared temperature-test technology is controlled in some external enterprise's hands all the time, cause domestic infrared temperature-test technology cost expensive, and distribution environment both domestic and external is different, external product also is difficult to be adapted to Domestic Environment, it is too high to be mainly manifested in the product power consumption, and volume is bigger than normal etc.Perhaps pass through the temperature of Fiber Optic Pyrometer detector switch cabinet equipment.But optical fiber has easy to break, and easily broken, non-refractory easily makes insulativity reduce behind the accumulation dust, and the wiring difficulty is larger in cabinet, and cost is high.
So provide low, the safe and reliable wireless temperature sensing system for the electrical equipment joint of a kind of cost extremely urgent.
Summary of the invention
In view of this, the invention provides a kind of electrical equipment connector temperature monitoring system, to realize the temperature of low cost, safe and reliable monitoring electrical equipment joint.
For achieving the above object, the embodiment of the invention provides following technical scheme:
A kind of electrical equipment connector temperature monitoring system comprises:
Radio temperature sensor unit, described radio temperature sensor unit comprise passive wireless temperature sensor, the first wireless signal transmission receiver and the first single-chip microcomputer that is connected with described passive wireless temperature sensor, the first wireless signal transmission receiver;
Temperature monitoring unit, described temperature monitoring sensing unit comprise display device, the second wireless signal transmission receiver and the second singlechip that is connected with described display device, the second wireless signal transmission receiver;
Wherein, adopt radio communication between described radio temperature sensor unit and the temperature monitoring unit.
Preferably, described radio temperature sensor unit pastes by the high-temperature insulation gluing and is fixed on described electrical equipment joint.
Preferably, described radio temperature sensor unit is fixed on described electrical equipment joint by insulation U-shaped support.
Preferably, described passive wireless temperature sensor is SAW Temperature Sensors.
Preferably, the radio communication that adopts between described radio temperature sensor unit and the temperature monitoring unit is the GPRS radio communication.
Based on technique scheme, because electrical equipment connector temperature monitoring system provided by the present invention, comprise: radio temperature sensor unit, described radio temperature sensor unit comprise passive wireless temperature sensor, the first wireless signal transmission receiver and the first single-chip microcomputer that is connected with described passive wireless temperature sensor, the first wireless signal transmission receiver; Temperature monitoring unit, described temperature monitoring sensing unit comprise display device, the second wireless signal transmission receiver and the second singlechip that is connected with described display device, the second wireless signal transmission receiver; Wherein, adopt radio communication between described radio temperature sensor unit and the temperature monitoring unit.The temperature variations of the reflected measurement point that then described electrical equipment connector temperature monitoring system can be promptly and accurately, and owing to adopted passive wireless temperature sensor, then can avoid the use of line, and do not use power supply, therefore can realize the temperature of low cost, safe and reliable monitoring electrical equipment joint.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of wireless temperature sensing system synoptic diagram for switch cubicle equipment that Fig. 1 provides for the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Just as stated in the Background Art, provide low, the safe and reliable wireless temperature sensing system for the electrical equipment joint of a kind of cost extremely urgent.
The inventor finds after deliberation, can utilize passive wireless temperature sensor to realize the wireless temperature sensing system of electrical equipment joint.
Based on this, the invention provides a kind of electrical equipment connector temperature monitoring system, this system comprises:
Electrical equipment connector temperature monitoring system, comprise: radio temperature sensor unit, described radio temperature sensor unit comprise passive wireless temperature sensor, the first wireless signal transmission receiver and the first single-chip microcomputer that is connected with described passive wireless temperature sensor, the first wireless signal transmission receiver; Temperature monitoring unit, described temperature monitoring sensing unit comprise display device, the second wireless signal transmission receiver and the second singlechip that is connected with described display device, the second wireless signal transmission receiver; Wherein, adopt radio communication between described radio temperature sensor unit and the temperature monitoring unit.
The temperature variations of the reflected measurement point that then described electrical equipment connector temperature monitoring system can be promptly and accurately, and owing to adopted passive wireless temperature sensor, then can avoid the use of line, and do not use power supply, therefore can realize the temperature of low cost, safe and reliable monitoring electrical equipment joint.
It more than is the application's core concept, below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
A lot of details have been set forth in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization in the situation of intension of the present invention, so the present invention is not subjected to the restriction of following public specific embodiment.
The embodiment of the present application discloses a kind of electrical equipment connector temperature monitoring system, as shown in Figure 1, comprising:
Radio temperature sensor unit, described radio temperature sensor unit comprise passive wireless temperature sensor, the first wireless signal transmission receiver and the first single-chip microcomputer that is connected with described passive wireless temperature sensor, the first wireless signal transmission receiver.Wherein, described passive wireless temperature sensor is used for the temperature of monitoring electrical equipment joint, and produces temperature signal; Described the first single-chip microcomputer is used for described temperature signal is converted to digital signal; Described the first wireless signal transmission receiver is used for described digital signal is sent.
Temperature monitoring unit, described temperature monitoring sensing unit comprise display device, the second wireless signal transmission receiver and the second singlechip that is connected with described display device, the second wireless signal transmission receiver.Wherein, described the second wireless signal transmission receiver is used for receiving the digital signal that described the first wireless signal transmission receiver sends; Described second singlechip is processed described digital signal, and compare with default threshold value, if the temperature of the electrical equipment joint that described digital signal shows is in threshold range, the temperature that then represents described electrical equipment joint is normal, otherwise, temperature when the electrical equipment joint that described digital signal shows exceeds threshold range, then represent the temperature of described electrical equipment joint just seldom, described second singlechip can be reported to the police by the mode of sound, light or vibrations; Described display device is used for the result of described second singlechip is shown, to make things convenient for man-machine interaction.
In addition, described second singlechip can also produce control signal, and send to the first wireless signal transmission receiving trap by the second wireless signal transmission receiving trap, described the first wireless signal transmission receiving trap is transferred to the first single-chip microcomputer with control signal, described the first single-chip microcomputer can according to described control signal, be adjusted the running status of described passive wireless temperature sensor.
And, adopt radio communication between described radio temperature sensor unit and the temperature monitoring unit.
Concrete, in the present embodiment, the radio communication that adopts between described radio temperature sensor unit and the temperature monitoring unit is the GPRS radio communication.Owing to adopt radio communication between described radio temperature sensor unit and the temperature monitoring unit, then need not line on measured point or dependency structure, thereby realized the high pressure isolation, ensured the safe operation of electrical equipment.And, the GPRS radio communication, have low in energy consumption, penetration power is strong, and support the characteristics of route and free networking (point-to-point, point-to-multipoint, multiple spot relaying), the data acquisition transmission that is particularly suitable for residential quarter, the so regional medium or short range of industrial enterprise is used, and especially under rear dress mode, can break the original place of ring environment, save cabling, backguy construction cost, increased the degree of freedom that collecting device is installed.
In addition, in the present embodiment, described passive wireless temperature sensor is preferably SAW Temperature Sensors, because SAW Temperature Sensors adopts passive induction mode, need not battery-operatedly, reduced the maintenance cost that battery altering brings, can not impact ecologic environment simultaneously.
And described radio temperature sensor unit can paste by the high-temperature insulation gluing and be fixed on described electrical equipment joint, and described high-temperature insulation glue is preferably high-temperature resistant silicone glue or epoxy resin adhesive.Then contacting of near-zero distance can be realized with the electrical equipment joint in described radio temperature sensor unit, and its temperature monitoring to the electrical equipment joint is also more sensitive, stable.
Perhaps, described radio temperature sensor unit further is fixed on described electrical equipment joint by insulation U-shaped support.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. an electrical equipment connector temperature monitoring system is characterized in that, comprising:
Radio temperature sensor unit, described radio temperature sensor unit comprise passive wireless temperature sensor, the first wireless signal transmission receiver and the first single-chip microcomputer that is connected with described passive wireless temperature sensor, the first wireless signal transmission receiver;
Temperature monitoring unit, described temperature monitoring sensing unit comprise display device, the second wireless signal transmission receiver and the second singlechip that is connected with described display device, the second wireless signal transmission receiver;
Wherein, adopt radio communication between described radio temperature sensor unit and the temperature monitoring unit.
2. described system according to claim 1 is characterized in that, described radio temperature sensor unit pastes by the high-temperature insulation gluing and is fixed on described electrical equipment joint.
3. described system according to claim 1 is characterized in that, described radio temperature sensor unit is fixed on described electrical equipment joint by insulation U-shaped support.
4. described system according to claim 1 is characterized in that described passive wireless temperature sensor is SAW Temperature Sensors.
5. described system according to claim 1 is characterized in that the radio communication that adopts between described radio temperature sensor unit and the temperature monitoring unit is the GPRS radio communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210452018.6A CN102967387B (en) | 2012-11-12 | 2012-11-12 | Temperature monitoring system of electrical device connector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210452018.6A CN102967387B (en) | 2012-11-12 | 2012-11-12 | Temperature monitoring system of electrical device connector |
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| CN102967387A true CN102967387A (en) | 2013-03-13 |
| CN102967387B CN102967387B (en) | 2015-02-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674229A (en) * | 2013-11-19 | 2014-03-26 | 河北省电力勘测设计研究院 | Conductive wire galloping online monitoring system based on acoustic surface wave technology |
| CN103983371A (en) * | 2014-04-24 | 2014-08-13 | 国家电网公司 | Method for measuring operating temperature of transformer lead connector based on surface acoustic waves |
| CN106230100A (en) * | 2016-08-15 | 2016-12-14 | 成都明日星辰科技有限公司 | Solar energy supplies power with double circuit radio temperature sensor |
| CN106441626A (en) * | 2016-07-27 | 2017-02-22 | 浙江浙能嘉华发电有限公司 | Power equipment aging analysis system and analysis method based on passive wireless temperature measurement |
| TWI727358B (en) * | 2019-07-04 | 2021-05-11 | 中國鋼鐵股份有限公司 | Battery-free temperature sensing device and temperature monitoring system |
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| CN201819741U (en) * | 2010-08-20 | 2011-05-04 | 山东中瑞电气有限公司 | Wireless temperature measuring device of high-voltage switch cabinet |
| CN202362913U (en) * | 2011-12-08 | 2012-08-01 | 长安大学 | Wireless temperature control device based on single chip microcomputer |
| CN202433101U (en) * | 2011-12-08 | 2012-09-12 | 长安大学 | Wireless temperature monitoring device |
| CN202886013U (en) * | 2012-11-12 | 2013-04-17 | 奉化市供电局 | Connector temperature monitoring system of electric equipment |
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| CN201819741U (en) * | 2010-08-20 | 2011-05-04 | 山东中瑞电气有限公司 | Wireless temperature measuring device of high-voltage switch cabinet |
| CN202362913U (en) * | 2011-12-08 | 2012-08-01 | 长安大学 | Wireless temperature control device based on single chip microcomputer |
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| CN202886013U (en) * | 2012-11-12 | 2013-04-17 | 奉化市供电局 | Connector temperature monitoring system of electric equipment |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674229A (en) * | 2013-11-19 | 2014-03-26 | 河北省电力勘测设计研究院 | Conductive wire galloping online monitoring system based on acoustic surface wave technology |
| CN103674229B (en) * | 2013-11-19 | 2015-07-08 | 河北省电力勘测设计研究院 | Conductive wire galloping online monitoring system based on acoustic surface wave technology |
| CN103983371A (en) * | 2014-04-24 | 2014-08-13 | 国家电网公司 | Method for measuring operating temperature of transformer lead connector based on surface acoustic waves |
| CN106441626A (en) * | 2016-07-27 | 2017-02-22 | 浙江浙能嘉华发电有限公司 | Power equipment aging analysis system and analysis method based on passive wireless temperature measurement |
| CN106230100A (en) * | 2016-08-15 | 2016-12-14 | 成都明日星辰科技有限公司 | Solar energy supplies power with double circuit radio temperature sensor |
| TWI727358B (en) * | 2019-07-04 | 2021-05-11 | 中國鋼鐵股份有限公司 | Battery-free temperature sensing device and temperature monitoring system |
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| CN102967387B (en) | 2015-02-04 |
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