CN109215329A - Wideband power carrier communication module, intelligent electric meter and power communication system - Google Patents
Wideband power carrier communication module, intelligent electric meter and power communication system Download PDFInfo
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- CN109215329A CN109215329A CN201811391307.3A CN201811391307A CN109215329A CN 109215329 A CN109215329 A CN 109215329A CN 201811391307 A CN201811391307 A CN 201811391307A CN 109215329 A CN109215329 A CN 109215329A
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- 238000004891 communication Methods 0.000 title claims abstract description 59
- 238000004590 computer program Methods 0.000 claims abstract description 30
- 230000008878 coupling Effects 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 claims abstract description 9
- 238000007689 inspection Methods 0.000 claims description 30
- 230000005611 electricity Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims 1
- 238000011156 evaluation Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
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- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000013210 evaluation model Methods 0.000 description 1
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- 230000006870 function Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 230000003068 static effect Effects 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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Abstract
This application involves a kind of wideband power carrier communication module, intelligent electric meter and power communication systems.The wideband power carrier communication module includes: CPU core, and internal storage location, dma controller, PLC unit, GPIO interface and UART interface are separately connected by kernel data bus with CPU core, dma controller connects filter, filter and outside flash interface；The driving of PLC unit connection line and coupling circuit；It is stored with computer program on memory, is realized when CPU core executes the computer program and operation assessment is carried out to the intelligent electric meter.Intelligent electric meter evaluation system has merged advanced distributed computing technology in the embodiment of the present invention, i.e. each intelligent electric meter can assess oneself state, previous centralized main website assessment equipment state is converted into distributed edge assessment, computational efficiency can be greatly improved, reduce the calculating and storage pressure for main website, and equipment total state comprehensive assessment is realized, it improves and judges accuracy.
Description
Technical field
This application involves technical field of electric power, more particularly to a kind of wideband power carrier communication module, intelligent electric meter and
Power communication system.
Background technique
Bandwidth carrier technology is mainly used for the power line communication between concentrator, ammeter and collector.And concentrator module
It is the communications carrier of concentrator side, is mainly responsible for modulation of the data in power line, demodulation data transmit-receive function.Concentrator module
It is the important channel of concentrator Yu family table data exchange, adapts to the environment of China's power grid comprehensively, using advanced modulation technique,
Realize data it is two-way on power line, high speed, stable transmission, solve the key technical problem of low-voltage power line communication.
However, the problem of mainly ammeter state is assessed, is primarily present using master station-centralized assessment mode at present
It is as follows:
(1) assessment system cost is huge, and inefficiency.
(3) it is very huge currently to occupy utility meters electrometer usage amount, since main website can not ask existing for accurate interpretation ammeter
Topic causes maintenance cost investment huge.
(4) data acquisition is not comprehensive, causes the erroneous judgement of failing to judge to ammeter
(5) very large to the calculating of main website and storage pressure using centralized main website assessment mode, all numbers of ammeter
Main website is reported to according to Xiang Jun, main website acquisition data capability is limited, causes estimating velocity slow, can not accurately carry out to ammeter problem
Accurately judge.
Summary of the invention
Based on this, it is necessary in view of the above technical problems, computational efficiency can be greatly improved by providing one kind, reduce for
The calculating and storage pressure of main website, and equipment total state comprehensive assessment is realized, improve the wideband power carrier wave for judging accuracy
Communication module, intelligent electric meter and power communication system.
In a first aspect, the application provides a kind of wideband power carrier communication module, it is described to be applied to intelligent electric meter, the electricity
Power bandwidth carrier communication module includes CPU core, and is separately connected interior deposit receipt by kernel data bus with the CPU core
Member, dma controller, PLC unit, GPIO interface and UART interface, the dma controller connect filter, the filter
With external flash interface；The PLC unit connection line driving and coupling circuit；
Computer program is stored on the memory, the CPU core is realized when executing the computer program to described
Intelligent electric meter carries out operation assessment.
Further, the internal storage location includes Memory Controller Hub and memory interconnected, and the Memory Controller Hub is logical
It crosses the kernel data bus and connects the CPU core.
Further, the PLC unit includes encryption layer, MAC layer, physical layer and AFE(analog front end), and the encryption layer passes through
The kernel data bus connects the CPU core, and connects the MAC layer, and the MAC layer is connect with the physical layer, institute
It states physical layer to connect with the AFE(analog front end), the AFE(analog front end) link driving and coupling circuit.
Further, following steps are realized when the CPU core executes the computer program:
It checks whether the intelligent electric meter electricity is mutated, and is recorded in preset state table as the first inspection result；
Check whether the intelligent electric meter operation time limit is more than intended duration, and is recorded as the second inspection result default
State table in；
Check whether the intelligent electric meter expense control is normal, and is recorded in preset state table as third inspection result.
Further, following steps are realized when the CPU core executes the computer program:
Check whether the intelligent electric meter internal processes are normal, and preset state table is recorded as the 4th inspection result
In；
Check whether the intelligent electric meter clock is under-voltage, and is recorded in preset state table as the 5th inspection result.
Further, following steps are realized when the CPU core executes the computer program:
Check whether the intelligent electric meter initiation culture is more than predeterminated frequency, and is recorded as the 6th inspection result default
State table in；
It whether abnormal checks the intelligent electric meter storage inside, and preset state table is recorded as the 7th inspection result
In.
Further, following steps are realized when the CPU core executes the computer program:
Check whether the voltage and current of the intelligent electric meter is out-of-limit, and preset state is recorded as the 8th inspection result
In table；
It checks whether the intelligent electric meter artificially opens cover, and preset state table is recorded as the 9th inspection result
In.
Further, following steps are realized when the CPU core executes the computer program:
It is scored according to the inspection result in the preset state table the intelligent electric meter, when scoring is lower than default
Fault threshold point so that forming alarm data reports main website.
Second aspect, the application also provide a kind of intelligent electric meter, include as any in first aspect in the intelligent electric meter
The wideband power carrier communication module.
The third aspect, the application also provide a kind of power communication system, which is characterized in that the power communication system includes
At least one intelligent electric meter, the concentrator with the communication connection of at least one described intelligent electric meter, communicates to connect with the concentrator
Main website, at least one described intelligent electric meter is the intelligent electric meter as described in second aspect；
The concentrator is used to receive the alarm data that at least one described intelligent electric meter is sent, and feeds back to the master
It stands；
The main website carries out accident analysis for receiving the alarm data, and to the intelligent electric meter.
Wideband power carrier communication module includes CPU core in the embodiment of the present invention, and with the CPU core in
Nuclear Data bus is separately connected internal storage location, dma controller, PLC unit, GPIO interface and UART interface, the DMA control
Device connects filter, the filter and outside flash interface；The PLC unit connection line driving and coupling circuit；It is described
Computer program is stored on memory, the CPU core is realized when executing the computer program and carried out to the intelligent electric meter
Operation assessment.Intelligent electric meter evaluation system has merged advanced distributed computing technology in the embodiment of the present invention, i.e., each intelligence electricity
Table can assess oneself state, and previous centralized main website assessment equipment state is converted to distributed edge assessment,
Computational efficiency can be greatly improved, reduces calculating and storage pressure for main website, and realize equipment total state synthesis and comment
Estimate, improves and judge accuracy.
Detailed description of the invention
Fig. 1 is one embodiment structural schematic diagram of wideband power carrier communication module in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
A kind of wideband power carrier communication module, intelligent electric meter and power communication system are provided in the embodiment of the present invention.
Firstly, providing a kind of wideband power carrier communication module in the embodiment of the present invention, it is applied to intelligent electric meter, such as Fig. 1
Shown, the wideband power carrier communication module includes CPU core, and passes through kernel data bus point with the CPU core
Not Lian Jie internal storage location, dma controller, PLC unit, GPIO interface and UART interface, dma controller connection filtering
Device, the filter and outside flash interface；The PLC unit connection line driving and coupling circuit；
Computer program is stored on the memory, the CPU core is realized when executing the computer program to described
Intelligent electric meter carries out operation assessment.
Wideband power carrier communication module includes CPU core in the embodiment of the present invention, and with the CPU core in
Nuclear Data bus is separately connected internal storage location, dma controller, PLC unit, GPIO interface and UART interface, the DMA control
Device connects filter, the filter and outside flash interface；The PLC unit connection line driving and coupling circuit；It is described
Computer program is stored on memory, the CPU core is realized when executing the computer program and carried out to the intelligent electric meter
Operation assessment.Intelligent electric meter evaluation system has merged advanced distributed computing technology in the embodiment of the present invention, i.e., each intelligence electricity
Table can assess oneself state, and previous centralized main website assessment equipment state is converted to distributed edge assessment,
Computational efficiency can be greatly improved, reduces calculating and storage pressure for main website, and realize equipment total state synthesis and comment
Estimate, improves and judge accuracy.
Further, the internal storage location includes Memory Controller Hub and memory interconnected, and the Memory Controller Hub is logical
It crosses the kernel data bus and connects the CPU core.
Further, the PLC unit includes encryption layer, MAC layer, physical layer and AFE(analog front end), and the encryption layer passes through
The kernel data bus connects the CPU core, and connects the MAC layer, and the MAC layer is connect with the physical layer, institute
It states physical layer to connect with the AFE(analog front end), the AFE(analog front end) link driving and coupling circuit.
Further, following steps are realized when the CPU core executes the computer program:
It checks whether the intelligent electric meter electricity is mutated, and is recorded in preset state table as the first inspection result；
Check whether the intelligent electric meter operation time limit is more than intended duration, and is recorded as the second inspection result default
State table in；
Check whether the intelligent electric meter expense control is normal, and is recorded in preset state table as third inspection result.
Further, following steps are realized when the CPU core executes the computer program:
Check whether the intelligent electric meter internal processes are normal, and preset state table is recorded as the 4th inspection result
In；
Check whether the intelligent electric meter clock is under-voltage, and is recorded in preset state table as the 5th inspection result.
Further, following steps are realized when the CPU core executes the computer program:
Check whether the intelligent electric meter initiation culture is more than predeterminated frequency, and is recorded as the 6th inspection result default
State table in；
It whether abnormal checks the intelligent electric meter storage inside, and preset state table is recorded as the 7th inspection result
In.
Further, following steps are realized when the CPU core executes the computer program:
Check whether the voltage and current of the intelligent electric meter is out-of-limit, and preset state is recorded as the 8th inspection result
In table；
It checks whether the intelligent electric meter artificially opens cover, and preset state table is recorded as the 9th inspection result
In.
Further, following steps are realized when the CPU core executes the computer program:
It is scored according to the inspection result in the preset state table the intelligent electric meter, when scoring is lower than default
Fault threshold point so that forming alarm data reports main website.
In order to increase the comprehensive of evaluation model, it can realize that carrying out total event to equipment state moves by pre-set programs
State assessment can carry out multilevel diagnostic according to event type.Hardware fault class problem such as equipment storage, control loop etc., module
Realize that perception reports immediately；Operation time limit class such as ammeter protocol version is outmoded, the operation time limit is more than 10 years, and module carries out the time limit
Alarm report；Equipment is operating abnormally class, such as over-voltage and over-current class, class of uncapping, electricity exception class, local module realize 1-10 days not
Deng operation assessment cycle report.
Realize that centralized main website assessment bring cost is big, data study and judge incomplete problem, comprehensive as unit of platform area
It closes assessment and not only effectively reduces cost, and substantially increase the accuracy of acquisition data.
The quick fortune of intelligent electric meter Local Communication Module (wideband power carrier communication module) is utilized in the embodiment of the present invention
Calculation and acquisition capacity, may be implemented ammeter operating status detecting real-time, according to different faults type, can also realize monitoring week
Phase, the adjustment for monitoring density.Wideband power carrier communication module monitors ammeter state according to predetermined frequency, and it is local right to realize
The right assessment of failure divides when assessment point is lower than preset fault threshold, is quickly reported to concentrator, forms alarm data and report
Main website.Each module of low voltage power distribution network carries out operation assessment to the ammeter of self-management, pinpoints to bug list
Report, substantially reduces the data pressure of main station system.
Distributed assessment system in the embodiment of the present invention based on Local Communication Module, realize from main website acquisition centralization to
The change of end-equipment self-test distribution assessment system, assessment efficiency have the promotion of matter.And it reduces to communication bandwidth, main website
The requirement of server capacity.
Meanwhile wideband power carrier communication module is realized between concentrator and ammeter by power-line carrier communication
Data transmission, using HomePlugAV network communication technology, the maintenance of network node real time dynamic network is realized in smart grid
Real-time fee control and powered off and in real time, monitors power information and power quality in real time, meets south electric network metering automation system
The requirement of standard.
In the embodiment of the present invention, which can be designed as the dedicated core of low pressure broadband power carrier wave
Piece, Highgrade integration, inside are closing links.Periphery circuit design difficulty is reduced, external devices cost is reduced and circuit board is empty
Between.
In order to preferably realize the technical solution in the embodiment of the present invention, a kind of intelligence electricity is also provided in the embodiment of the present invention
Table, the intelligent electric meter include the wideband power carrier communication module as described in above example.
In order to preferably realize the technical solution in the embodiment of the present invention, it is logical that a kind of electric power is also provided in the embodiment of the present invention
Letter system, the power communication system includes at least one intelligent electric meter, with the communication connection of at least one described intelligent electric meter
Concentrator, the main website with concentrator communication connection, at least one described intelligent electric meter is as described in above-described embodiment
Intelligent electric meter；
The concentrator is used to receive the alarm data that at least one described intelligent electric meter is sent, and feeds back to the master
It stands；
The main website carries out accident analysis for receiving the alarm data, and to the intelligent electric meter.
Specific restriction about intelligent electric meter and power communication system may refer to logical above for wideband power carrier wave
Believe the restriction of module, details are not described herein.Modules in above-mentioned wideband power carrier communication module can completely or partially lead to
Software, hardware and combinations thereof are crossed to realize.Above-mentioned each module can be embedded in the form of hardware or independently of in computer equipment
In processor, can also be stored in a software form in the memory in computer equipment, in order to processor call execute with
The corresponding operation of upper modules.
In conclusion in the embodiment of the present invention, wideband power carrier communication module, intelligence electricity based on bandwidth carrier technology
The effect of table and power communication system are as follows:
1, efficient data acquisition
At present in metering automation system, freezes the acquisition terminal day based on bandwidth carrier to copy passband and reach 100%.Broadband
The acquisition time of carrier communication high speed characteristics (> 1MBPS) greatly reduces, reduce market system data management and publication when
Between.Solve the problems, such as that market system data publication is delayed 24 hours, the publication of the data same day on the same day, the data same day, the defect elimination same day.
2, system cost is effectively reduced, promotes assessment efficiency
By main station system centralized management, the real-time accurate evaluation to equipment cannot achieve, can not carry out big data quantity
Integrated Selection, inject capital into maintain equipment cost every year huge.The reality of distributed evaluation mechanism based on bandwidth carrier
Apply the dynamic evaluation, it can be achieved that equipment state, accurately diagnose fault equipment, accurate O&M, effectively reduce maintenance at
This.
3, ammeter total state diagnoses, and improves assessment accuracy
Previous centralization main website evaluation mechanism, since ammeter data item is more, the data of the whole collecting and reportings of main website meeting cause
Data volume is very huge, since main website acquisition data capability is limited, so causing assessment result inaccurate.It is carried using based on broadband
The distributed evaluation mechanism of wave, effective solution main website calculate and the problem of storage pressure.Based on wideband power carrier communication
The distributed assessment system of module, realizes the change from master station-centralized to ammeter distribution assessment system, and assessment efficiency has
The promotion of matter substantially increases the accuracy of assessment.
It will be understood by those skilled in the art that structure shown in Fig. 1, only part relevant to application scheme is tied
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific computer equipment
It may include perhaps combining certain components or with different component layouts than more or fewer components as shown in the figure.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein,
To any reference of memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of wideband power carrier communication module, which is characterized in that be applied to intelligent electric meter, the wideband power carrier communication
Module includes CPU core, and with the CPU core by kernel data bus be separately connected internal storage location, dma controller,
PLC unit, GPIO interface and UART interface, the dma controller connect filter, and the filter connects with outside flash
Mouthful；The PLC unit connection line driving and coupling circuit；
Computer program is stored on the memory, the CPU core is realized when executing the computer program to the intelligence
Ammeter carries out operation assessment.
2. wideband power carrier communication module according to claim 1, which is characterized in that the internal storage location includes mutual
The Memory Controller Hub and memory of connection, the Memory Controller Hub connect the CPU core by the kernel data bus.
3. wideband power carrier communication module according to claim 2, which is characterized in that the PLC unit includes encryption
Layer, MAC layer, physical layer and AFE(analog front end), the encryption layer connect the CPU core by the kernel data bus, and even
The MAC layer is connect, the MAC layer is connect with the physical layer, and the physical layer is connect with the AFE(analog front end), before the simulation
Terminate route driving and coupling circuit.
4. wideband power carrier communication module according to claim 1, which is characterized in that described in the CPU core executes
Following steps are realized when computer program:
It checks whether the intelligent electric meter electricity is mutated, and is recorded in preset state table as the first inspection result；
Check whether the intelligent electric meter operation time limit is more than intended duration, and preset shape is recorded as the second inspection result
In state table；
Check whether the intelligent electric meter expense control is normal, and is recorded in preset state table as third inspection result.
5. wideband power carrier communication module according to claim 4, which is characterized in that described in the CPU core executes
Following steps are realized when computer program:
Check whether the intelligent electric meter internal processes are normal, and is recorded in preset state table as the 4th inspection result；
Check whether the intelligent electric meter clock is under-voltage, and is recorded in preset state table as the 5th inspection result.
6. wideband power carrier communication module according to claim 5, which is characterized in that described in the CPU core executes
Following steps are realized when computer program:
Check whether the intelligent electric meter initiation culture is more than predeterminated frequency, and preset shape is recorded as the 6th inspection result
In state table；
It whether abnormal checks the intelligent electric meter storage inside, and is recorded in preset state table as the 7th inspection result.
7. wideband power carrier communication module according to claim 6, which is characterized in that described in the CPU core executes
Following steps are realized when computer program:
Check whether the voltage and current of the intelligent electric meter is out-of-limit, and preset state table is recorded as the 8th inspection result
In；
It checks whether the intelligent electric meter artificially opens cover, and is recorded in preset state table as the 9th inspection result.
8. wideband power carrier communication module according to claim 7, which is characterized in that described in the CPU core executes
Following steps are realized when computer program:
It is scored according to the inspection result in the preset state table the intelligent electric meter, when scoring is lower than preset event
Hinder threshold value point, so that forming alarm data reports main website.
9. a kind of intelligent electric meter, which is characterized in that include the electricity as described in any in claim 1~8 in the intelligent electric meter
Power bandwidth carrier communication module.
10. a kind of power communication system, which is characterized in that the power communication system includes at least one intelligent electric meter, with institute
The concentrator for stating the communication connection of at least one intelligent electric meter, the main website with concentrator communication connection, at least one described intelligence
Energy ammeter is intelligent electric meter as described in claim 9；
The concentrator is used to receive the alarm data that at least one described intelligent electric meter is sent, and feeds back to the main website；
The main website carries out accident analysis for receiving the alarm data, and to the intelligent electric meter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811391307.3A CN109215329A (en) | 2018-11-21 | 2018-11-21 | Wideband power carrier communication module, intelligent electric meter and power communication system |
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| CN201811391307.3A CN109215329A (en) | 2018-11-21 | 2018-11-21 | Wideband power carrier communication module, intelligent electric meter and power communication system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113602130A (en) * | 2021-08-06 | 2021-11-05 | 北京智研信通科技有限公司 | Monitoring module |
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