CN106443240A - Electric power environment monitoring system - Google Patents
Electric power environment monitoring system Download PDFInfo
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- CN106443240A CN106443240A CN201610782851.5A CN201610782851A CN106443240A CN 106443240 A CN106443240 A CN 106443240A CN 201610782851 A CN201610782851 A CN 201610782851A CN 106443240 A CN106443240 A CN 106443240A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
Provided is an electric power environment monitoring system. The system comprises a radiation emitter, a radiation receiver, a microprocessor and an induction current measuring unit, the radiation emitter comprises a control processor, a power divider, and five interference sources and switches thereof connected in parallel, the five interference sources share one emission antenna, the control processor, the power divider, the five interference sources and the switches thereof connected in parallel, and the emission antenna are connected in sequence, the radiation receiver comprises a reception antenna, a conversion unit, an amplification filtering unit, and a radiation measuring unit connected in sequence, and the microprocessor is connected with the radiation measuring unit and the induction current measuring unit. According to the system, various patterns are provided, environment parameters of an electric power distribution network can be measured, and the anomaly of the electric power distribution network is effectively determined.
Description
Technical field
The present invention relates to electric power environmental monitoring field is and in particular to a kind of electric power environmental monitoring system.
Background technology
The progress of science and technology and economic developing rapidly, society rapidly increases for power demand, however as power distribution network
The continuous development of cable process, distribution network line structure becomes increasingly complex, and branched line is various, for power distribution network power supply performance
Reliable and stable requirement more and more higher, simultaneously user for power quality and service requirement also improve constantly.
At present, cruelly leak in some rugged environments more than power distribution network, be often struck by lightning, high wind, sleet, high temperature etc. from
So impact of factor, and these factors can produce impact to power distribution network performance.Therefore, the monitoring for power distribution network local environment becomes
Obtain particularly important.Surveyed using the parameter of temperature, humidity, illumination currently for more than the major way of the environmental monitoring of distribution network
Amount, to judge whether environment occurs exception, thus judging whether to produce impact to distribution network, but this mode single,
Line quality be cannot be carried out effectively evaluating and testing.
Content of the invention
It is an object of the invention to overcoming the deficiencies in the prior art, provide a kind of Suresh Kumar, and electric power can be measured and join
The ambient parameter of electrical network, effectively judges the abnormal electric power environmental monitoring system of distribution network.
The invention provides a kind of electric power environmental monitoring system, including radiation transmitter, radiation receiver, microprocessor,
Faradic current measuring unit, wherein radiation transmitter include control process device, power splitter, parallel connection 5 interference sources and its
Switch, 5 interference sources share a transmitting antenna；
Control process device, power splitter, 5 interference sources of parallel connection and its switch and transmitting antenna are sequentially connected, radiation
Receptor includes reception antenna, converting unit, amplification filter unit and the actinometry unit being sequentially connected, and microprocessor is respectively
Connect actinometry unit and faradic current measuring unit；
Control process device is used for controlling power splitter by 5 interference sources of different power distribution to parallel connection, and point
Kong Zhi not open successively at regular intervals in cycle T the switch of 5 interference sources, dry by the transmitting of same transmitting antenna
Disturb radiation signal；
Reception antenna receives the distribution network radiation signal disturbing radiation signal and superposition from interference source transmitting,
After converted unit, amplification filter unit and actinometry cell processing, radiation signal is sent to microprocessor；
Microprocessor is used for controlling faradic current measuring unit in cycle T, opens in the switch different from 5 interference sources
Time carry out the measurement of faradism flow valuve respectively with the corresponding time opened that switchs being same as 5 interference sources；
Microprocessor is additionally operable to the radiation signal after processing, different from when the opening of switch of 5 interference sources in cycle T
Between measurement faradism flow valuve, and in cycle T, be same as the faradism of measure of time that the switch correspondence of 5 interference sources is opened
Flow valuve is compared with corresponding threshold range.
Preferably, described cycle T is the cycle of fixing cycle or change.
Preferably, described transmitting antenna is multimodes emitting antenna.
Preferably, described corresponding threshold range is the threshold range setting
Preferably, described corresponding threshold range is obtained by actual test during distribution network normal work.
Preferably, the frequency of the radiation interference signals of 5 interference source transmittings is identical.
Preferably, the frequency of the radiation interference signals of 5 interference source transmittings is different.
The present invention also provides a kind of electric power environmental monitoring method, in turn includes the following steps：
(1) control process device controls power splitter to distribute default equal-wattage to 5 interference sources of parallel connection, and controls
The switch of 5 interference sources of system is opened successively with being spaced the time of 5s, launches interference radiation signal by transmitting antenna；Simultaneously with
The switch of the 5 interference sources opening time identical time successively, faradic current measuring unit is controlled to survey successively by microprocessor
The faradism flow valuve in amount corresponding moment；
(2) reception antenna receives and radiates letter from the interference radiation signal of interference source transmitting and the distribution network of superposition
Number, after converted unit, amplification filter unit and actinometry cell processing, radiation signal is sent to microprocessor, microprocessor
The radiation signal being sequentially received and preset standard radiation signal are compared by device, if error is less than 0.01, under entering
One step；
(3) microprocessor successively the faradism flow valuve to the switch opening times corresponding moment and switch to be not switched on the time corresponding
Faradism flow valuve seek difference, if the error between difference be less than 0.01, calibrate successfully, entrance next step；
(4) power splitter is controlled by 5 interference sources of different power distribution to parallel connection by control process device, and
The switch controlling 5 interference sources respectively is opened successively with being spaced 30s in cycle T, launches interference spoke by same transmitting antenna
Penetrate signal；
(5) reception antenna receives and radiates letter from the interference radiation signal of interference source transmitting and the distribution network of superposition
Number, after converted unit, amplification filter unit and actinometry cell processing, radiation signal is sent to microprocessor；
(6) microprocessor controls faradic current measuring unit in cycle T, in the switch different from 5 interference sources
The time opened carries out the measurement of faradism flow valuve respectively with the switch corresponding time opened being same as 5 interference sources；
(7) the radiation signal F measuring in cycle T, faradism flow valuve G and corresponding cycle T are formed three-dimensional array collection [F
G；T], and send in real time to remote monitoring center, stored；
(8) remote control center is drawn radiation signal F and faradism flow valuve G time history plot respectively and is carried out
Display, realizes remote monitoring；
(9) at the end of each cycle T, radiation signal after microprocessor will be processed, do different from 5 in cycle T
Disturb the faradism flow valuve of the measure of time that the switch in source is opened, and in cycle T, be same as the switch correspondence of 5 interference sources and open
The faradism flow valuve of measure of time be compared with corresponding threshold range, confirm whether distribution network environment normal.
Preferably, control power splitter by different power distributions to connecting parallel by control process device wherein in step (4)
5 interference sources connecing, particular by the mode according to different power ratios, meet P1:P2:P3:P4:P5=1:0.8:
0.5:0.3:0.1, wherein P1, P2, P3, P4, P5 represent the performance number of 5 corresponding interference sources respectively.
The electric power environmental monitoring system of the present invention and method, it is possible to achieve：
1) providing a kind of electric power environmental monitoring judgment mode, being different from traditional ambient parameter metering system so that sentencing
Disconnected accuracy rate is higher, and better quality monitored by power distribution network.
2) it is capable of the quick discovery of distribution network line fault environment, timely and effectively processed；
3) different times when receiving interference signal and not receiving interference signal using faradic current measuring unit
Measured value, carrys out the performance to power distribution network itself and power distribution network working environment is monitored simultaneously, is not increasing equipment cost
On the basis of, measure one group of data so that systematic function is more superior more.
4), so that creating the interference radiation signal of different intensity, flexibility ratio is higher for the mode of power distribution；
5) the packing data sending method of set of arrays, error rate is low；
6) switch on and off mode so that interference source can be closed when not working, saved the energy；
7) achieve the transmitting of interference radiation signal so that system structure is compacter using same multimodes emitting antenna,
Volume reduces.
Brief description
Fig. 1 is electric power environmental monitoring system structural representation
Specific embodiment
The following detailed description of the present invention be embodied as it is necessary to it is pointed out here that, below implement be only intended to this
Bright further illustrates it is impossible to be interpreted as limiting the scope of the invention, and this art skilled person is according to above-mentioned
Some nonessential improvement and adjustment that content of the invention is made to the present invention, still fall within protection scope of the present invention.
The invention provides a kind of electric power environmental monitoring system, as shown in figure 1, system includes radiation transmitter, radiation connects
Receive device, microprocessor, faradic current measuring unit, wherein radiation transmitter include control process device, power splitter, parallel connection
5 interference sources 1 and its switch, 5 interference sources share a transmitting antenna, wherein control process device, power splitter, the 5 of parallel connection
Individual interference source and its switch and transmitting antenna are sequentially connected, reception antenna that radiation receiver includes being sequentially connected, converting unit,
Amplify filter unit and actinometry unit, microprocessor connects actinometry unit and faradic current measuring unit respectively.
Control process device controls different interference source transmitting interference radiation signals, is received and transmitting antenna by single
Complete to disturb the transmission of radiation signal, if distribution network line is normal, then the interference radiation signal that radiation receiver receives
It is fixing, if problematic, the radiation that distribution network line itself produces and the radiation superposition of interference source generation can become
Change, then just can predict whether distribution network line has by measuring the change of the interference radiated signal strength at radiation receiver
Abnormal.The radiation that radiation signal and distribution network line itself produces is disturbed to carry out however, only measuring and being produced with an interference source
Superposition, has little significance for actual measurement, because the radiation that can be produced with direct measurement distribution network line itself.Additionally, it is outer
The impact to radiation for boundary's factor is different, therefore arranges the spoke that the interference radiation signal of varying strength is produced with distribution network line itself
Penetrate and be overlapped, the radiation value after the different superpositions that different time is received measures it is possible to judge distribution netting twine
Whether road is normal.Further, since while interference source produces radiation signal, can also produce impact to other sensing units, because
This, can be by way of time warping, by other device sensing measurement times and actinometry time in actual measurement
Stagger, so that miscellaneous part measured value is more accurate.Faradic current measuring unit is that power equipment is monitored often
Measuring unit, but combine the actinometry in the present invention, it is possible to use faradic current measuring unit is receiving interference letter
Number and do not receive the measured value of different times during interference signal, come the performance to power distribution network itself and power distribution network building ring
Border is monitored simultaneously, on the basis of not increasing equipment cost, measures one group of data so that systematic function is more excellent more
More.
During actual monitoring, control process device is used for controlling power splitter by different power distributions to parallel connection
5 interference sources, and respectively control 5 interference sources switch open successively at regular intervals in cycle T, pass through
Same transmitting antenna transmitting interference radiation signal, the frequency of interference radiation signal can be selected according to the actual needs, example
As can be identical or different.
Reception antenna receives the power distribution network radiation signal disturbing radiation signal and superposition from interference source transmitting, through turning
After changing unit, amplification filter unit and actinometry cell processing, radiation signal sends to microprocessor；Microprocessor also controls
Faradic current measuring unit in cycle T, time of opening in the switch different from 5 interference sources and be same as 5 interference sources
Switch time of opening of correspondence carry out the measurement of faradism flow valuve respectively, cycle T is the cycle of fixing cycle or change,；
Microprocessor be additionally operable to process after radiation signal, in cycle T different from 5 interference sources switch opening time measurement sense
Induced current value, and be same as in cycle T the switch faradism flow valuve of measure of time opened of correspondence of 5 interference sources with corresponding
Threshold range be compared, the threshold range that wherein threshold range can be obtained by experience or Theoretical Calculation or
In actual test when to power distribution network normal work, the threshold range that obtained by substantial amounts of measurement data, and for safety
For the sake of, can also by threshold range be set to 85% of maximum and minima in actual test value be bound scope, this threshold
Value then sends prompting, more than 100% bound scope when then report to the police.
Present invention also offers a kind of electric power environmental monitoring method, in turn include the following steps：
(1) control process device controls power splitter to distribute default equal-wattage to 5 interference sources of parallel connection, and controls
The switch of 5 interference sources of system is opened successively with being spaced the time of 5s, launches interference radiation signal by transmitting antenna；Simultaneously with
The switch of the 5 interference sources opening time identical time successively, faradic current measuring unit is controlled to survey successively by microprocessor
The faradism flow valuve in amount corresponding moment；
(2) reception antenna receives and radiates letter from the interference radiation signal of interference source transmitting and the distribution network of superposition
Number, after converted unit, amplification filter unit and actinometry cell processing, radiation signal is sent to microprocessor, microprocessor
The radiation signal being sequentially received and preset standard radiation signal are compared by device, if error is less than 0.01, under entering
One step；
(3) microprocessor successively the faradism flow valuve to the switch opening times corresponding moment and switch to be not switched on the time corresponding
Faradism flow valuve seek difference, if the error between difference be less than 0.01, calibrate successfully, entrance next step；
(4) power splitter is controlled by 5 interference sources of different power distribution to parallel connection by control process device, and
The switch controlling 5 interference sources respectively is opened successively with being spaced 30s in cycle T, launches interference spoke by same transmitting antenna
Penetrate signal；
(5) reception antenna receives and radiates letter from the interference radiation signal of interference source transmitting and the distribution network of superposition
Number, after converted unit, amplification filter unit and actinometry cell processing, radiation signal is sent to microprocessor；
(6) microprocessor controls faradic current measuring unit in cycle T, in the switch different from 5 interference sources
The time opened carries out the measurement of faradism flow valuve respectively with the switch corresponding time opened being same as 5 interference sources；
(7) the radiation signal F measuring in cycle T, faradism flow valuve G and corresponding cycle T are formed three-dimensional array collection [F
G；T], and send in real time to remote monitoring center, stored；
(8) remote control center is drawn radiation signal F and faradism flow valuve G time history plot respectively and is carried out
Display, realizes remote monitoring；
(9) at the end of each cycle T, radiation signal after microprocessor will be processed, do different from 5 in cycle T
Disturb the faradism flow valuve of the measure of time that the switch in source is opened, and in cycle T, be same as the switch correspondence of 5 interference sources and open
The faradism flow valuve of measure of time be compared with corresponding threshold range, confirm whether distribution network environment normal.
Wherein in step (4), power splitter is controlled by 5 of different power distribution to parallel connection by control process device
Interference source, particular by the mode according to different power ratios, meets P1:P2:P3:P4:P5=1:0.8:0.5:0.3:
0.1, wherein P1, P2, P3, P4, P5 represent the performance number of 5 corresponding interference sources respectively.
It should be noted that each device of the present invention, step, parameter are all made in the case of rational expectation,
Situation that is any extreme or not meeting technical solution of the present invention, all should remove in reasonably expection.
Although for illustrative purposes it has been described that the illustrative embodiments of the present invention, those skilled in the art
Member will be understood that, in the case of the scope and spirit without departing from the invention disclosed in claims, can be in form and details
On carry out the change of various modifications, interpolation and replacement etc., and all these change all should belong to claims of the present invention
Each step in protection domain, and each department of claimed product and method, can in any combination
Form is combined.Therefore, to disclosed in this invention embodiment description be not intended to limit the scope of the present invention,
But be used for describing the present invention.Correspondingly, the scope of the present invention is not limited by embodiment of above, but by claim or
Its equivalent is defined.
Claims (9)
1. a kind of electric power environmental monitoring system, including radiation transmitter, radiation receiver, microprocessor, faradic current measurement is single
Unit, wherein radiation transmitter include control process device, power splitter, 5 interference sources of parallel connection and its switch, and its feature exists
In：
5 interference sources share a transmitting antenna；
Control process device, power splitter, 5 interference sources of parallel connection and its switch and transmitting antenna are sequentially connected, and radiation receives
Device includes reception antenna, converting unit, amplification filter unit and the actinometry unit being sequentially connected, and microprocessor connects respectively
Actinometry unit and faradic current measuring unit；
Control process device is used for controlling power splitter by 5 interference sources of different power distribution to parallel connection, and controls respectively
The switch of 5 interference sources of system is opened in cycle T at regular intervals successively, launches interference spoke by same transmitting antenna
Penetrate signal；
Reception antenna receives the distribution network radiation signal disturbing radiation signal and superposition from interference source transmitting, through turning
After changing unit, amplification filter unit and actinometry cell processing, radiation signal is sent to microprocessor；
Microprocessor is used for controlling faradic current measuring unit in cycle T, when the switch different from 5 interference sources is opened
Between carry out the measurement of faradism flow valuve respectively with the corresponding time opened that switchs being same as 5 interference sources；
Microprocessor is additionally operable to the radiation signal after processing, and in cycle T, the opening time of the switch different from 5 interference sources is surveyed
The faradism flow valuve of amount, and in cycle T, it is same as the faradism flow valuve of the corresponding measure of time opened of switch of 5 interference sources
It is compared with corresponding threshold range.
2. the system as claimed in claim 1 it is characterised in that：Described cycle T is the cycle of fixing cycle or change.
3. the system as claimed in claim 1 it is characterised in that：Described transmitting antenna is multimodes emitting antenna.
4. the system as claimed in claim 1 it is characterised in that：Described corresponding threshold range is the threshold range setting.
5. the system as claimed in claim 1 it is characterised in that：Described corresponding threshold range is normal by distribution network
During work, actual test obtains.
6. the system as claimed in claim 1 it is characterised in that：The frequency of the radiation interference signals of 5 interference source transmittings is identical.
7. the system as claimed in claim 1 it is characterised in that：The frequency of the radiation interference signals of 5 interference source transmittings is different.
8. a kind of electric power environmental monitoring method using the system as described in the claims 1-7 is it is characterised in that wrap successively
Include following steps：
(1) control process device controls power splitter to distribute default equal-wattage to 5 interference sources of parallel connection, and controls 5
The switch of individual interference source is opened successively with being spaced the time of 5s, launches interference radiation signal by transmitting antenna；Simultaneously with 5
The switch of the interference source opening time identical time successively, faradic current measuring unit is controlled to measure successively by microprocessor right
Answer the faradism flow valuve in moment；
(2) reception antenna receives the distribution network radiation signal disturbing radiation signal and superposition from interference source transmitting,
After converted unit, amplification filter unit and actinometry cell processing, radiation signal is sent to microprocessor, microprocessor
The radiation signal being sequentially received and preset standard radiation signal are compared, if error is less than 0.01, enter next
Step；
(3) microprocessor is not switched on time corresponding sense to the faradism flow valuve and switch in switch opening times corresponding moment successively
Induced current value seeks difference, if the error between difference is less than 0.01, calibrates successfully, enters next step；
(4) power splitter is controlled by 5 interference sources of different power distribution to parallel connection by control process device, and respectively
The switch controlling 5 interference sources is opened successively with being spaced 30s in cycle T, by same transmitting antenna transmitting interference radiation letter
Number；
(5) reception antenna receives the distribution network radiation signal disturbing radiation signal and superposition from interference source transmitting,
After converted unit, amplification filter unit and actinometry cell processing, radiation signal is sent to microprocessor；
(6) microprocessor controls faradic current measuring unit in cycle T, opens in the switch different from 5 interference sources
Time carry out the measurement of faradism flow valuve respectively with the corresponding time opened that switchs being same as 5 interference sources；
(7) the radiation signal F measuring in cycle T, faradism flow valuve G and corresponding cycle T are formed three-dimensional array collection [F G；
T], and send in real time to remote monitoring center, stored；
(8) remote control center is drawn radiation signal F and faradism flow valuve G time history plot respectively and is shown
Show, realize remote monitoring；
(9) at the end of each cycle T, radiation signal after microprocessor will be processed, it is different from 5 interference sources in cycle T
The faradism flow valuve of measure of time opened of switch, and be same as in cycle T that the switch correspondence of 5 interference sources opens when
Between measurement faradism flow valuve be compared with corresponding threshold range, confirmation distribution network environment whether normal.
9. method as claimed in claim 8 it is characterised in that：Wherein in step (4), power splitter is controlled by control process device
By 5 interference sources of different power distribution to parallel connection particular by the mode according to different power ratios, meet
P1:P2:P3:P4:P5=1:0.8:0.5:0.3:0.1, wherein P1, P2, P3, P4, P5 represent the work(of 5 corresponding interference sources respectively
Rate value.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448099A (en) * | 2016-08-31 | 2017-02-22 | 国网山东省电力公司菏泽供电公司 | Remote monitoring system for running environments of ring main unit |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005037472A1 (en) * | 2005-08-09 | 2007-02-15 | Conti Temic Microelectronic Gmbh | Electrical measuring signals collection method in environment of temporary disturbances with disturbances lying underneath a threshold |
| CN103826300A (en) * | 2013-12-31 | 2014-05-28 | 吴志超 | Base-station-free indoor positioning system |
| CN104780011A (en) * | 2015-04-24 | 2015-07-15 | 国网冀北电力有限公司电力科学研究院 | Micro-power wireless communication site channel environment simulator for short-distance power communication |
| CN204517826U (en) * | 2015-04-24 | 2015-07-29 | 国网冀北电力有限公司电力科学研究院 | Short distance power communication micro power radio communication live channel environment simulator |
| CN104838596A (en) * | 2012-10-17 | 2015-08-12 | 伊卡诺斯通信公司 | Method and apparatus for sensing noise signals in wireline cummunications environment |
| CN105222897A (en) * | 2015-09-10 | 2016-01-06 | 北京环境特性研究所 | A kind of metered dose high temp, infrared radiation origin system |
| CN105516277A (en) * | 2015-11-30 | 2016-04-20 | 曾正扬 | Temperature monitoring device for electrical equipment of power grid and monitoring method thereof |
| CN105807158A (en) * | 2016-03-11 | 2016-07-27 | 陕西天佑欣业自动化技术发展有限公司 | Electric power parameter online monitoring system and monitoring control method for power grid connection points and switches |
-
2016
- 2016-08-31 CN CN201610782851.5A patent/CN106443240B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005037472A1 (en) * | 2005-08-09 | 2007-02-15 | Conti Temic Microelectronic Gmbh | Electrical measuring signals collection method in environment of temporary disturbances with disturbances lying underneath a threshold |
| CN104838596A (en) * | 2012-10-17 | 2015-08-12 | 伊卡诺斯通信公司 | Method and apparatus for sensing noise signals in wireline cummunications environment |
| CN103826300A (en) * | 2013-12-31 | 2014-05-28 | 吴志超 | Base-station-free indoor positioning system |
| CN104780011A (en) * | 2015-04-24 | 2015-07-15 | 国网冀北电力有限公司电力科学研究院 | Micro-power wireless communication site channel environment simulator for short-distance power communication |
| CN204517826U (en) * | 2015-04-24 | 2015-07-29 | 国网冀北电力有限公司电力科学研究院 | Short distance power communication micro power radio communication live channel environment simulator |
| CN105222897A (en) * | 2015-09-10 | 2016-01-06 | 北京环境特性研究所 | A kind of metered dose high temp, infrared radiation origin system |
| CN105516277A (en) * | 2015-11-30 | 2016-04-20 | 曾正扬 | Temperature monitoring device for electrical equipment of power grid and monitoring method thereof |
| CN105807158A (en) * | 2016-03-11 | 2016-07-27 | 陕西天佑欣业自动化技术发展有限公司 | Electric power parameter online monitoring system and monitoring control method for power grid connection points and switches |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448099A (en) * | 2016-08-31 | 2017-02-22 | 国网山东省电力公司菏泽供电公司 | Remote monitoring system for running environments of ring main unit |
| CN106448099B (en) * | 2016-08-31 | 2019-09-06 | 国网山东省电力公司菏泽供电公司 | A kind of ring network cabinet running environment remote supervision system |
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| CN106443240B (en) | 2019-01-29 |
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