CN103105520A - Electrification testing device of capacitive equipment - Google Patents
Electrification testing device of capacitive equipment Download PDFInfo
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- CN103105520A CN103105520A CN2013100121073A CN201310012107A CN103105520A CN 103105520 A CN103105520 A CN 103105520A CN 2013100121073 A CN2013100121073 A CN 2013100121073A CN 201310012107 A CN201310012107 A CN 201310012107A CN 103105520 A CN103105520 A CN 103105520A
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Abstract
The invention discloses an electrification testing device of capacitive equipment. The electrification testing device of the capacitive equipment comprises a wireless reference unit, a wireless measuring unit and an upper computer, wherein the wireless reference unit is connected with the wireless measuring unit through wireless signals, and the wireless measuring unit is connected with the upper computer through wireless signals. The electrification testing device of the capacitive equipment acquires reference signals through the wireless reference unit, the wireless measuring unit receives the reference signals, synchronously acquires current signals of to-be-measured equipment together with the wireless reference unit and enables the reference signals and the current signals to be processed in a data mode so as to obtain data information, and then the data information is analyzed and processed by the upper computer in an integral mode. According to the electrification testing device of the capacitive equipment, wireless transmission technology is combined, the problems of wire releasing and wire collecting in the electrification testing process of the capacitive equipment are solved, workloads in the electrification testing process of the capacitive equipment are lightened, the electrification testing of the capacitive equipment is enabled to be accurate and flexible, and work efficiency is effectively improved.
Description
Technical field
The present invention relates to the charged electric power apparatus field tests, particularly relate to capacitive apparatus live testing device.
Background technology
The problems such as humidified insulation, oily cracking easily appear in capacitive apparatus, and these problems can show by the leakage current variation of end shield ground connection.Therefore be necessary regular capacitive apparatus to be carried out live testing.
General capacitive apparatus live testing device, the data cable between testing apparatus transmits, need to be according to test site advanced person row wiring, and cable is heavier, bring huge pressure to the staff, cause the large problem of wiring workload to the capacitive apparatus live testing time, after capacitive apparatus was carried out live testing, the work that cable is collected also brought huge work load to the capacitive apparatus live testing.
Summary of the invention
Based on this, being necessary provides a kind of capacitive apparatus live testing device based on Radio Transmission Technology for the existing capacitive apparatus live testing device take-up problem that need to connect up.
A kind of capacitive apparatus live testing device comprises wireless reference cell, wireless measurement unit and host computer;
Described wireless reference cell connects described wireless measurement unit by wireless signal, and described wireless measurement unit connects described host computer by wireless signal;
described wireless reference cell is used for obtaining the reference signal of the reference device of selecting in advance, and described reference signal is sent to described wireless measurement unit, described wireless measurement unit is used for obtaining the current signal of equipment to be measured and described reference signal and described current signal is carried out data process and obtain data message, described data message is sent to described host computer, described reference signal and described current signal are synchronous, described host computer is used for estimating the described reference device of selecting in advance and the state of insulation of described equipment to be measured, and the information of described reference signal and the information of described current signal are carried out filing management.
Therein in embodiment, described capacitive apparatus live testing device, described wireless reference cell comprise signal filtering processing module, sampling with high precision processing module, data processing module, carrier Control processing module, frequency modulation process module, power amplification processing module and the reference signal transmitter module that connects successively.
Therein in embodiment, described capacitive apparatus live testing device, described wireless measurement unit comprise that the reference signal receiver module, reference signal frequency demodulation process module, reference signal filtering processing module, current signal acquisition module, filter amplifying processing module, the data that connect successively process computing module and signal transmitting module;
Described filter amplifying processing module is used for respectively described reference signal and described current signal being carried out filter amplifying processing, described data are processed the electric capacity and relative dielectric loss that computing module is used for calculating according to described reference signal and described current signal equipment to be measured, and described signal transmitting module is used for described electric capacity, described relative dielectric loss, described reference signal and described current signal are sent to described host computer.
Therein in embodiment, described capacitive apparatus live testing device, described wireless reference cell connects described wireless measurement unit by the 433MHZ wireless signal, and described wireless measurement unit connects described host computer by the 2.4GHZ wireless signal
Therein in embodiment, described capacitive apparatus live testing device, described wireless reference cell also comprises built-in rechargeable battery.
Therein in embodiment, described capacitive apparatus live testing device, described wireless measurement unit also comprises built-in rechargeable battery.
Above-mentioned capacitive apparatus live testing device, Radio Transmission Technology is applied in capacitive apparatus live testing device, described wireless reference cell connects described wireless measurement unit by wireless signal, and described wireless measurement unit connects described host computer by wireless signal.Described wireless reference cell obtains the reference signal of the reference device of selecting in advance, and the information of described reference signal is sent to described wireless measurement unit, described wireless measurement unit receives described reference signal and will synchronize with described wireless reference cell the current signal that obtains equipment to be measured and described reference signal and described current signal are carried out data process and obtain data message, described data message is sent to described host computer unify analyzing and processing.Obtain respectively described reference signal and described current signal by described wireless reference cell and described wireless measurement unit, unified again the mode of analyzing and processing by host computer, the combining wireless transmission technology, solved the problem of unwrapping wire and take-up in capacitive apparatus live testing process, alleviated the work load in capacitive apparatus live testing process, make the capacitive apparatus live testing accurate and flexible more that becomes, effectively increase work efficiency.
Description of drawings
Fig. 1 is the wherein structure drawing of device of an embodiment of capacitive apparatus live testing device of the present invention;
Fig. 2 is the wherein structural drawing of an embodiment of the wireless reference cell of capacitive apparatus live testing device of the present invention;
Fig. 3 is the wherein structural drawing of an embodiment of capacitive apparatus live testing device wireless measurement of the present invention unit.
Embodiment
As shown in Figure 1, a kind of capacitive apparatus live testing device comprises wireless reference cell 110, wireless measurement unit 120 and host computer 130;
Described wireless reference cell 110 connects described wireless measurement unit 120 by wireless signal, and described wireless measurement unit 120 connects described host computer 130 by wireless signal;
described wireless reference cell 110 is used for obtaining the reference signal of the reference device of selecting in advance, and described reference signal is sent to described wireless measurement unit 120, described wireless measurement unit 120 is used for obtaining the current signal of equipment to be measured and described reference signal and described current signal is carried out data process and obtain data message, described data message is sent to described host computer 130, described reference signal and described current signal are synchronous, described host computer 130 is used for estimating the described reference device of selecting in advance and the state of insulation of described equipment to be measured, and the information of described reference signal and the information of described current signal are carried out filing management.
In the present embodiment, wireless reference cell 110 is connected with the wireless measurement unit and is placed on the reference device of selecting in advance nearby and is connected near and corresponding connection with Devices to test, at first 120 send control signal and start test to the wireless measurement unit by host computer 130, wireless measurement unit 120 sends synchronizing signal to wireless reference cell 110, and wireless measurement unit 120 and wireless reference cell 110 are synchronously started working.After measuring beginning, wireless reference cell 110 obtains the reference signal of the reference device of selecting in advance, and the information data of reference signal is wirelessly transmitted to wireless measurement unit 120, wireless measurement unit 120 synchronously obtains the measurement current signal of equipment to be measured, to reference signal with measure current signal and carry out parallel sampling and process, calculate the characteristic parameters such as the dielectric dissipation factor of obtaining the reference device selected in advance and equipment to be measured, electric capacity by the A/D transformational relation.In test process, host computer 130 can communicate and control with wireless measurement unit 120, high speed Real-time Obtaining measurement data, finally obtain in advance the reference device selected and equipment to be measured data have two groups: wherein one group is leakage current, dielectric loss and electric capacity; Another group is leakage current, dielectric loss difference, capacitance ratio, then the data message that obtains is wirelessly transmitted among the data analysis administrating system of host computer 130, described host computer has the function of the information of the information of the described reference signal that acquires and described current signal being carried out automatic archiving, thereby the variation tendency that intuitively reflects each apparatus insulated state makes capacitive apparatus live testing data preparation filing inquiry more convenient.
Above-mentioned capacitive apparatus live testing device, Radio Transmission Technology is applied in capacitive apparatus live testing device, described wireless reference cell connects described wireless measurement unit by wireless signal, and described wireless measurement unit connects described host computer by wireless signal.Described wireless reference cell obtains the reference signal of the reference device of selecting in advance, and the information of described reference signal is sent to described wireless measurement unit, described wireless measurement unit receives described reference signal and will synchronize with described wireless reference cell the current signal that obtains equipment to be measured and described reference signal and described current signal are carried out data process and obtain data message, described data message is sent to described host computer unify analyzing and processing.Obtain respectively described reference signal and described current signal by described wireless reference cell and described wireless measurement unit, unified again the mode of analyzing and processing by host computer, the combining wireless transmission technology, solved the problem of unwrapping wire and take-up in capacitive apparatus live testing process, alleviated the work load in capacitive apparatus live testing process, make the capacitive apparatus live testing accurate and flexible more that becomes, effectively increase work efficiency.
As shown in Figure 2, in embodiment, described wireless reference cell comprises signal filtering processing module 111, sampling with high precision processing module 112, data processing module 113, carrier Control processing module 114, frequency modulation process module 115, power amplification processing module 116 and the reference signal transmitter module 117 that connects successively therein.In the present embodiment, reference signal is converted to digital signal by sampling with high precision processing module 112 after signal filtering processing module 111 is processed; after carrying out data processing extraction associated eigenvalue by 113 pairs of these digital signals of data processing module again; what the information security by guaranteeing reference signal after carrier Control processing module 114, frequency modulation process module 115, power amplification processing module 116 was stable is emitted to the wireless measurement unit by described reference signal transmitter module 117, also improves simultaneously the degree of accuracy of the reference signal that acquires.
As shown in Figure 3, therein in embodiment, described wireless measurement unit comprises that the reference signal receiver module 121, reference signal frequency demodulation process module 122, reference signal filtering processing module 123, current signal acquisition module 124, filter amplifying processing module 125, the data that connect successively process computing module 126 and signal transmitting module 127;
Described filter amplifying processing module 125 is used for respectively described reference signal and described current signal being carried out filter amplifying processing, described data are processed the electric capacity and relative dielectric loss that computing module 126 is used for calculating according to described reference signal and described current signal equipment to be measured, and described signal transmitting module 127 is used for described electric capacity, described relative dielectric loss, described reference signal and described current signal are sent to described host computer.reference signal after the modulation that the wireless measurement unit sends over by the reference signal receiver module 121 wireless reference cells of FM reception, obtain frequency demodulation processing and filtering processing reference signal afterwards through reference signal frequency demodulation process module 122 and reference signal filtering processing module 123 again, after filter amplifying processing module 125, with obtain through device current signal acquisition module 124 to be measured and the current signal of equipment to be measured after filter amplifying processing module 125 filter and amplifications is parallel processes computing module 126 by data and carry out data and process, calculate dielectric dissipation factor, the characteristic parameters such as electric capacity, transfer to host computer by signal transmitting module 127 with the form of wireless signal and carry out the subsequent treatment analyzing and diagnosing, further improve the degree of accuracy of described current signal.
Therein in embodiment, described wireless reference cell connects described wireless measurement unit by the 433MHZ wireless signal, and described wireless measurement unit connects described host computer by the 2.4GHZ wireless signal.
At the scene in application process, the position of wireless reference cell and wireless measurement unit is arranged by field apparatus to be affected, general meeting apart from each other, and mostly there is shelter between the two, be unfavorable for the propagation of high-frequency wireless signals, the 433MHz frequency has the advantage that penetrability is strong, propagation distance is far away, with this frequency as data transmission between wireless reference cell and wireless measurement unit, can effectively reduce the interference of the shelter such as electrical equipment, electric power cable to wireless transmission in transformer station.2.4GHz frequency has highly versatile, the fast advantage of message transmission rate, makes the frequency of data transmission between wireless measurement unit and host computer with this, can effectively increase system flexibility, improves the data transmission and processing ability.
In embodiment, described wireless reference cell also comprises built-in rechargeable battery therein.Increase built-in rechargeable battery, when making rig-site utilization, wireless reference cell can break away from external power source work.The built-in transformer interface of the wireless reference cell in the present embodiment can be introduced three-phase reference signal from the live testing case of equipment under test, carry out the signal conversion by built-in high precision current transformer, external transformer interface can be adopted into three-phase reference signal by the high precision clip style sensor, two interfaces share a sets of data processing unit, can select suitable interface to carry out measurement according to field condition in application process.Wireless reference cell also can possess USB, network interface is standby as expansion.
In embodiment, described wireless measurement also comprises built-in rechargeable battery in the unit therein.Increase built-in rechargeable battery, when making rig-site utilization, the wireless measurement unit can break away from external power source work.The built-in transformer interface of the wireless measurement unit in the present embodiment can be introduced three-phase reference signal from the live testing case of equipment to be measured, carry out the signal conversion by built-in high precision current transformer, external transformer interface can be adopted into the three-phase measuring-signal by the high precision clip style sensor, two interfaces share a sets of data processing unit, can select suitable interface to carry out measurement according to field condition in application process.Wireless reference cell also can possess USB, network interface is standby as expansion.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (6)
1. a capacitive apparatus live testing device, is characterized in that, comprises wireless reference cell, wireless measurement unit and host computer;
Described wireless reference cell connects described wireless measurement unit by wireless signal, and described wireless measurement unit connects described host computer by wireless signal;
described wireless reference cell is used for obtaining the reference signal of the reference device of selecting in advance, and described reference signal is sent to described wireless measurement unit, described wireless measurement unit is used for obtaining the current signal of equipment to be measured and described reference signal and described current signal is carried out data process and obtain data message, described data message is sent to described host computer, described reference signal and described current signal are synchronous, described host computer is used for estimating the described reference device of selecting in advance and the state of insulation of described equipment to be measured, and the information of described reference signal and the information of described current signal are carried out filing management.
2. capacitive apparatus live testing device according to claim 1, it is characterized in that, described wireless reference cell comprises signal filtering processing module, sampling with high precision processing module, data processing module, carrier Control processing module, frequency modulation process module, power amplification processing module and the reference signal transmitter module that connects successively.
3. capacitive apparatus live testing device according to claim 1 and 2, it is characterized in that, described wireless measurement unit comprises that the reference signal receiver module, reference signal frequency demodulation process module, reference signal filtering processing module, current signal acquisition module, filter amplifying processing module, the data that connect successively process computing module and signal transmitting module;
Described filter amplifying processing module is used for respectively described reference signal and described current signal being carried out filter amplifying processing, described data are processed the electric capacity and relative dielectric loss that computing module is used for calculating according to described reference signal and described current signal equipment to be measured, and described signal transmitting module is used for described electric capacity, described relative dielectric loss, described reference signal and described current signal are sent to described host computer.
4. capacitive apparatus live testing device according to claim 1 and 2, it is characterized in that, described wireless reference cell connects described wireless measurement unit by the 433MHZ wireless signal, and described wireless measurement unit connects described host computer by the 2.4GHZ wireless signal.
5. capacitive apparatus live testing device according to claim 1 and 2, is characterized in that, described wireless reference cell also comprises built-in rechargeable battery.
6. capacitive apparatus live testing device according to claim 1 and 2, is characterized in that, described wireless measurement unit also comprises built-in rechargeable battery.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490266A (en) * | 2015-07-24 | 2018-09-04 | 江苏省电力公司常州供电公司 | A kind of opposite dielectric loss and capacitance tester |
| CN110208665A (en) * | 2019-07-05 | 2019-09-06 | 杭州西湖电子研究所 | A kind of detection method of wide area with respect to dielectric loss |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055302A (en) * | 2007-05-30 | 2007-10-17 | 上海龙源智光电力技术有限公司 | GPS clock signal based high voltage capacitive apparatus insulated on-line monitoring system and its implement method |
| CN101493485A (en) * | 2009-03-09 | 2009-07-29 | 浙江纪元电气集团有限公司 | On-line monitoring system for capacitive equipment dielectric loss angle |
| CN102680799A (en) * | 2012-05-15 | 2012-09-19 | 山东惠工电气股份有限公司 | Transformer substation capacitor on-line monitoring method and device based on wireless mode |
| WO2012140310A1 (en) * | 2011-04-15 | 2012-10-18 | Upm Rfid Oy | Method and apparatus for monitoring an environmental variable |
| CN203259567U (en) * | 2013-01-11 | 2013-10-30 | 广州供电局有限公司 | Capacitive apparatus live testing device |
-
2013
- 2013-01-11 CN CN201310012107.3A patent/CN103105520B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055302A (en) * | 2007-05-30 | 2007-10-17 | 上海龙源智光电力技术有限公司 | GPS clock signal based high voltage capacitive apparatus insulated on-line monitoring system and its implement method |
| CN101493485A (en) * | 2009-03-09 | 2009-07-29 | 浙江纪元电气集团有限公司 | On-line monitoring system for capacitive equipment dielectric loss angle |
| WO2012140310A1 (en) * | 2011-04-15 | 2012-10-18 | Upm Rfid Oy | Method and apparatus for monitoring an environmental variable |
| CN102680799A (en) * | 2012-05-15 | 2012-09-19 | 山东惠工电气股份有限公司 | Transformer substation capacitor on-line monitoring method and device based on wireless mode |
| CN203259567U (en) * | 2013-01-11 | 2013-10-30 | 广州供电局有限公司 | Capacitive apparatus live testing device |
Non-Patent Citations (2)
| Title |
|---|
| 孔令明 等: "济宁供电公司110kV电容型设备在线监测系统设计与应用", 《电气技术》 * |
| 黄堃: "基于ZigBee无线网络容性设备在线监测终端装置研究", 《江苏电机工程》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490266A (en) * | 2015-07-24 | 2018-09-04 | 江苏省电力公司常州供电公司 | A kind of opposite dielectric loss and capacitance tester |
| CN108490266B (en) * | 2015-07-24 | 2020-09-08 | 江苏省电力公司常州供电公司 | Relative dielectric loss and capacitance tester |
| CN110208665A (en) * | 2019-07-05 | 2019-09-06 | 杭州西湖电子研究所 | A kind of detection method of wide area with respect to dielectric loss |
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Effective date of registration: 20200917 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |