CN103308190A - Temperature monitoring system and method for high-voltage charged body with zero power consumption chip implantation and wireless network mode - Google Patents
Temperature monitoring system and method for high-voltage charged body with zero power consumption chip implantation and wireless network mode Download PDFInfo
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- CN103308190A CN103308190A CN2012100650814A CN201210065081A CN103308190A CN 103308190 A CN103308190 A CN 103308190A CN 2012100650814 A CN2012100650814 A CN 2012100650814A CN 201210065081 A CN201210065081 A CN 201210065081A CN 103308190 A CN103308190 A CN 103308190A
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Abstract
The invention discloses a temperature monitoring system and method for a high-voltage charged body with a zero power consumption chip implantation and wireless network mode. The temperature monitoring system comprises a computer, a database, a zero power consumption chip sensor and a radio transceiver, wherein temperature-sensing elements of piezoelectric materials are integrated inside the zero power consumption chip sensor; the zero power consumption chip sensor, a thin-type chip, is integrated with an interdigital transducer and a semiconductor having a "seebeck effect" , and is pasted onto the surface of the high-voltage charged body with a heat transfer coating material as a medium. With a temperature sensing mode which is characterized in that the zero power consumption chip is directly implanted into the high-voltage charged body, the theoretical power consumption of the chip is zero, and thus defects of current sensing modes in the prior art are compensated; besides, with the adoption of a wireless network transmission mode, a full isolation is really realized. With the technical scheme, problems of insulation and power supply in temperature measuring of the high-voltage charged body are completely solved, and the high-voltage charged body can be monitored online in real time.
Description
Technical field
The present invention relates to intelligent grid Condition Monitoring Technology field, specifically relate to a kind of high-voltage charged body zero-power implanted chip formula wireless network temperature monitoring system and method.
Background technology
The important high voltage alive equipments such as the high-tension switch cabinet of generating plant, transformer station, busbar joint, outdoor chopper switch are in During Process of Long-term Operation, the tie point of switch contact and bus is because of aging or contact resistance is excessive generates heat, and formation vicious cycle: intensification, expansion, contraction, oxidation, resistance increase, heat up once again, cause apparatus overheat even major accident occurs.Therefore the temperature of high voltage electric power equipment being monitored closely, is to ensure the reliable indispensable means of power equipment.
In the prior art, the high voltage alive equipment temperature monitoring method there are thermometric wax disk(-sc) method, optical fiber temperature-measurement method, infrared measurement of temperature method and active radio thermometry.
Thermometric wax disk(-sc) method adopts the thermometric wax disk(-sc) to realize temperature monitoring, the thermometric wax disk(-sc) is a kind of adhesive sticker paster of meeting variable color, by the back side with adhesive sticker paste the measured point, the novel irreversible temperature indicating series products that the change color indication is overheated, when the measured point temperature is higher than the variable color rated temperature, the colour changing thermal indicutor sheet namely becomes black after overheated by original white, and forever keeps the black after overheated.The thermometric wax disk(-sc) that uses in the thermometric wax disk(-sc) method has nonreversibility, can only disposablely use the function that does not also possess real-time data record simultaneously and accurately measure, therefore, this temperature monitoring mode usually needs manually to go range estimation, and the sight line of mounting points easily is blocked, and degree of accuracy is not high, use inconvenience.
The infrared measurement of temperature method adopts infrared thermometer to receive the far infrared wave that the measured some width of cloth penetrates, realize the measurement of measurement point temperature by judging the far infrared wavelength, infrared thermometer is fit to artificial inspection thermometric, because usage comparison is flexible, become a Main Means of the above high voltage electric power equip ment temperature detection of 220kV now.But the equipment volume that this thermometry adopts is larger, and cost is high, and precision can not be guaranteed, and can't realize on-line real time monitoring; In addition, infrared ray can't see through shelter by diffraction, has limited the application of infrared measurement of temperature method in some occasions.
The optical fiber temperature-measurement method is that detecting optical cable is laid on the equipment to be measured, and light reaches the thermo-sensitive material part by optical fiber transmission after amplifying, and then is reflected back a pulsed optical signals corresponding with self temperature, and signal can be tried to achieve real time temperature through processing.The optical fiber that adopts in this kind thermometry has easy to break, easily broken characteristic, installs complicatedly, and equipment manufacturing cost is high, will cause the optical fiber creeping discharge after particularly accumulating dust, is commonly called as " creepage ", and insulativity reduces, and has potential safety hazard.
The wireless temperature measurement method adopts battery or little CT to get can be to the thermometric chip power supply, and the signal that again the thermometric chip is obtained sends by wireless chip is wireless.Although this thermometry has realized the wireless transmission of temperature signal, but because this scheme belongs to active scheme, sensing head needs powered battery or little CT to get to power, powered battery exists need to regularly change battery, and battery summer high-temperature resistance relatively poor, bring impact for the operation of power department; Little CT gets and can then exist: if the joint electric current is less, electric energy can't take out, and sensing head quits work, if the joint electric current is larger, then easily burns out little CT until burn out sensing head.So-called little CT is exactly a small transformers, and it can obtain electric energy by the exchange current on the induction high voltage bus, adopts CT to get energy, and the sensing head volume is larger, and the position that lays is very large on getting the energy efficiency impact, lacks general adaptability.
Summary of the invention
The purpose of this invention is to provide a kind of high-voltage charged body zero-power implanted chip formula wireless network temperature monitoring system and method, solve the problem that power supply is difficult, insulation is difficult in the electrified body temperature survey under the existing high voltage environment.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of high-voltage charged body zero-power implanted chip formula wireless network temperature monitoring system, comprise computing machine, database, zero-power chip sensor and radio receiver-transmitter, it is characterized in that: described computing machine is connected LAN (Local Area Network) and is connected with radio receiver-transmitter with database, radio receiver-transmitter utilizes radiowave to be connected with miniature antenna, and described zero-power chip sensor is connected with the miniature antenna radio communication.
The temperature-sensing element of the inner integrated piezoelectric material of described zero-power chip sensor is integrated with interdigital transducer and semiconductor, and semiconductor has Seebeck effect.
Described zero-power chip sensor is slim chip, uses the heat transfer coating material as medium, is mounted on the electrification in high voltage surface or places in the high-voltage charged body.
Described zero-power chip sensor and high-voltage charged body equipotential form a whole equipotential surface with high-voltage charged body.
The using method of a kind of high-voltage charged body zero-power implanted chip formula wireless network temperature monitoring system of the present invention adopts above-mentioned high-voltage charged body zero-power chip sensor implantation type wireless lattice temperature monitoring system, comprises following steps:
(1) the zero-power chip sensor is implanted on the high-voltage charged body, method for implantation is for being mounted on the electrification in high voltage surface or placing in the high-voltage charged body;
(2) the radio receiver-transmitter follow procedure is set, and utilizes miniature electric wire, and the one or more zero-power chip sensors in the one's respective area are sent the radio net calling signal;
(3) after the zero-power chip sensor receives calling signal and is waken up, radio signal is transmitted into the surface of the piezoelectric that chip internal can temperature sensor, then passes digitally coded radio reflections ripple by miniature antenna back to radio system;
(4) radio system receives digitally coded reflection wave, converts electric signal to again, obtains the temperature of tested high-voltage charged body after the conversion;
(5) temperature data after a plurality of radio systems will calculate converts the standard traffic message to, by LAN (Local Area Network) carry out exchanges data and be input to database and computing machine in;
(6) computer background is by the analysis to the temperature monitoring database, real-time displays temperature curve, and according to the temperature history data of high-voltage charged body, situation to high-voltage charged body is carried out on-line fault monitoring, sending in advance provides temperaturing lifting abnormality sound and light alarm signal, estimate high-tension apparatus operation life, provide the maintenance reference plan.
Compared with prior art, the invention has the beneficial effects as follows:
1, integrated interdigital transducer in the zero-power chip sensor that the present invention adopts, the semiconductor of bottom is drawn thermal source with " Seebeck effect ", carries out energy conversion, does not need externally fed, has solved the problem that power supply of the prior art is difficult, insulation is difficult; After chip is directly implanted high-voltage charged body, with the high-voltage charged body equipotential, can not destroy the high pressure equipotential surface of former electrified body, avoid the high voltage tip discharge, can guarantee long-term safety stable operation;
2, be because the problem that temperature variation causes dynamo-electric load-bearing ability to descend in order to solve high-tension apparatus to the monitoring of temperatures of high-voltage electrified bodies, use the present invention and can reduce power department, industrial and mining enterprises, health care, petroleum and petrochemical industry electric power system operations risks improves system's Operation safety and stability;
3, effectively prevention is bad because of construction quality, or the aging electrification in high voltage contact loose contact that causes of long-time running and power failure, fire even explosion accident that the excess Temperature that causes causes, provide foundation for patrolling and examining targetedly, eliminate the potential safety hazard of Operation of Electric Systems, improved the safety operation level of electrical network;
4, can the Intellectualized monitoring temperatures of high-voltage electrified bodies, the temperaturing lifting abnormality initiative alarming is for Power Network Digital, intellectuality provide assurance.
Description of drawings
Fig. 1 is principle of the invention structural drawing.
Fig. 2 is using method flow chart of steps of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values drop on application appended claims limited range equally.
As shown in Figure 1, a kind of high-voltage charged body zero-power implanted chip formula wireless network temperature monitoring system, comprise computing machine 1, database 6, zero-power chip sensor 7 and radio receiver-transmitter 3, computing machine 1 is connected with database and is connected with radio receiver-transmitter 3 by LAN (Local Area Network) 2, radio receiver-transmitter 3 utilizes radiowave to be connected with miniature antenna 4, and zero-power chip sensor 7 is connected with miniature antenna 4 radio communications.
Zero-power chip sensor 7 is slim chip, and the temperature-sensing element of inner integrated piezoelectric material is integrated with interdigital transducer and " Seebeck effect " semiconductor.General wireless temperature-measuring sensor all adopts the method that is bundled in the testee surface, adopt the binding method easily to cause point discharge on high-voltage charged body 5 surfaces, there is potential safety hazard, the present invention adopts surface-pasted technique, the slim zero-power chip sensor that adopts the microelectric technique design, use the heat transfer coating material as medium, be mounted on high-voltage charged body 5 surfaces, perhaps directly imbed in the high-voltage charged body 5, form a whole equipotential surface with high-voltage charged body 5, thereby reduced the possibility of point discharge.
The using method flow process of a kind of high-voltage charged body zero-power implanted chip formula wireless network temperature monitoring system of the present invention as shown in Figure 2, the method comprises implementation step:
At step S101, zero-power chip sensor 7 is implanted on the high-voltage charged body 5, method for implantation is for being mounted on high-voltage charged body 5 surfaces or placing in the high-voltage charged body 5, integrated interdigital transducer in the zero-power chip sensor 7, the semiconductor of bottom is drawn thermal source with " Seebeck effect ", carry out energy conversion, do not need externally fed, therefore can accomplish theoretical zero-power, after directly implanting high-voltage charged body, with high-voltage charged body 5 equipotentials, can not destroy the high pressure equipotential surface of former electrified body, avoid the high voltage tip discharge, can guarantee long-term safety stable operation;
At step S102, zero-power chip sensor 7 generally is in the dormant state of passive reception, when receiving the external radio calling signal, just carry out temperature acquisition, radio receiver-transmitter 3 follow procedures are set, utilize miniature electric wire 4, the one or more zero-power chip sensors 7 in the one's respective area are sent the radio net calling signal;
At step S103, after zero-power chip sensor 7 receives calling signal and is waken up, radio signal is transmitted into the surface of the piezoelectric of chip internal energy temperature sensor, then pass digitally coded radio reflections ripple by miniature antenna 4 back to radio system 3, the proportional relation of temperature of the frequency change of this reflection wave and tested high-voltage charged body 5;
At step S104, radio system 3 receives digitally coded reflection wave, converts electric signal to again, obtains the temperature of tested high-voltage charged body after the conversion;
At step S105, temperature data after a plurality of radio systems 3 will calculate converts the standard traffic message to, this message is supported up-to-date IEC61850 stipulations, by the LAN (Local Area Network) of the medium compositions such as network twisted-pair cable, optical fiber, RS485 carry out exchanges data and be input to database 6 and computing machine 1 in;
At step S106, computing machine 1 backstage is by the analysis to the temperature monitoring database, real-time displays temperature curve, and according to the temperature history data of high-voltage charged body 5, situation to high-voltage charged body is carried out on-line fault monitoring, sending in advance provides temperaturing lifting abnormality sound and light alarm signal, estimates high-tension apparatus operation life, provides the maintenance reference plan.
The present invention solves in the temperature survey of conventional high-tension electrified body because safety problems such as the cell degradation that the chip powered battery causes, inefficacy, blasts; Realize high-voltage charged body implanted chip method, eliminate that the binding method is destroyed the high pressure equipotential surface and the high-voltage tip discharging problem brought; The a plurality of high-voltage charged bodies of Real-Time Monitoring and a plurality of temperature monitoring point send the temperature rise early warning signal in advance, effectively prolong high-tension apparatus serviceable life, provide foundation for patrolling and examining targetedly, reduce the power department interruption maintenance time.
Statistics shows, the current-carrying fault of high-voltage charged body accounts for 8.9% of all switch failures, and the current-carrying fault more than 85% concentrates on 6～10kV switch cubicle, and 40.2% accident is descended by insulation and excessive the causing of current-carrying load in the 10kV switch cubicle, adopt the present invention that the temperature of the high-voltage charged body of current-carrying is monitored closely, can the caused temperature rise fault of effective monitoring current-carrying, for the normal operation that guarantees substation equipment, reduce maintenance frequency, the operational reliability and the automaticity that improve electrical device and network have significant effect.
Claims (5)
1. high-voltage charged body zero-power implanted chip formula wireless network temperature monitoring system, comprise computing machine, database, zero-power chip sensor and radio receiver-transmitter, it is characterized in that: described computing machine is connected LAN (Local Area Network) and is connected with radio receiver-transmitter with database, radio receiver-transmitter utilizes radiowave to be connected with miniature antenna, and described zero-power chip sensor is connected with the miniature antenna radio communication.
2. a kind of high-voltage charged body zero-power implanted chip formula wireless network temperature monitoring system according to claim 1, it is characterized in that: the temperature-sensing element of the inner integrated piezoelectric material of described zero-power chip sensor, be integrated with interdigital transducer and semiconductor, semiconductor has Seebeck effect.
3. a kind of high-voltage charged body zero-power implanted chip formula wireless network temperature monitoring system according to claim 1, it is characterized in that: described zero-power chip sensor is slim chip, use the heat transfer coating material as medium, be mounted on the electrification in high voltage surface or place in the high-voltage charged body.
4. a kind of high-voltage charged body zero-power implanted chip formula wireless network temperature monitoring system according to claim 1 is characterized in that: described zero-power chip sensor and high-voltage charged body equipotential form a whole equipotential surface with high-voltage charged body.
5. the using method of a high-voltage charged body zero-power implanted chip formula wireless network temperature monitoring system, adopt such as the described high-voltage charged body zero-power of claim 1 to 4 any one implanted chip formula wireless network temperature monitoring system, it is characterized in that: this using method comprises following steps
(1) the zero-power chip sensor is implanted on the high-voltage charged body, method for implantation is for being mounted on the electrification in high voltage surface or placing in the high-voltage charged body;
(2) the radio receiver-transmitter follow procedure is set, and utilizes miniature electric wire, and the one or more zero-power chip sensors in the one's respective area are sent the radio net calling signal;
(3) after the zero-power chip sensor receives calling signal and is waken up, radio signal is transmitted into the surface of the piezoelectric that chip internal can temperature sensor, then passes digitally coded radio reflections ripple by miniature antenna back to radio system;
(4) radio system receives digitally coded reflection wave, converts electric signal to again, obtains the temperature of tested high-voltage charged body after the conversion;
(5) temperature data after a plurality of radio systems will calculate converts the standard traffic message to, by LAN (Local Area Network) carry out exchanges data and be input to database and computing machine in;
(6) computer background is by the analysis to the temperature monitoring database, real-time displays temperature curve, and according to the temperature history data of high-voltage charged body, situation to high-voltage charged body is carried out on-line fault monitoring, sending in advance provides temperaturing lifting abnormality sound and light alarm signal, estimate high-tension apparatus operation life, provide the maintenance reference plan.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100650814A CN103308190A (en) | 2012-03-14 | 2012-03-14 | Temperature monitoring system and method for high-voltage charged body with zero power consumption chip implantation and wireless network mode |
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| CN2012100650814A CN103308190A (en) | 2012-03-14 | 2012-03-14 | Temperature monitoring system and method for high-voltage charged body with zero power consumption chip implantation and wireless network mode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319946A (en) * | 2019-07-22 | 2019-10-11 | 国网河北省电力有限公司邢台供电分公司 | Substation equipment temperature indicating device |
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| US20080119966A1 (en) * | 2000-09-08 | 2008-05-22 | Breed David S | Wireless Sensing and Communication System for Traffic Lanes |
| CN201464075U (en) * | 2009-05-15 | 2010-05-12 | 武汉烽火富华电气有限责任公司 | Long-range SAW temperature sensing system |
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- 2012-03-14 CN CN2012100650814A patent/CN103308190A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080119966A1 (en) * | 2000-09-08 | 2008-05-22 | Breed David S | Wireless Sensing and Communication System for Traffic Lanes |
| CN201464075U (en) * | 2009-05-15 | 2010-05-12 | 武汉烽火富华电气有限责任公司 | Long-range SAW temperature sensing system |
Non-Patent Citations (1)
| Title |
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| 龚贻文等: "表面波无线无源温度传感系统", 《电气技术》, no. 11, 31 December 2010 (2010-12-31), pages 101 - 104 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319946A (en) * | 2019-07-22 | 2019-10-11 | 国网河北省电力有限公司邢台供电分公司 | Substation equipment temperature indicating device |
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Application publication date: 20130918 |