CN106097588A - A kind of single-phase cost-control intelligent ammeter - Google Patents
A kind of single-phase cost-control intelligent ammeter Download PDFInfo
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- CN106097588A CN106097588A CN201610416016.XA CN201610416016A CN106097588A CN 106097588 A CN106097588 A CN 106097588A CN 201610416016 A CN201610416016 A CN 201610416016A CN 106097588 A CN106097588 A CN 106097588A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/06—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for prepaying basic charges, e.g. rent for meters
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/10—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with alarm or warning devices, e.g. indicating the interrupting of the supply
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Abstract
The invention discloses a kind of single-phase cost-control intelligent ammeter, described ammeter includes shell, display screen, button, draw-in groove, pin access port and fingerprint acquisition device, described display location is in the top of shell, middle position above display screen is additionally provided with display lamp, described pin access port is positioned at below shell, fingerprint identification module within fingerprint acquisition device connection, described button includes ten digital buttons and ACK button, cancel button and four direction button.The internal structure of described ammeter includes single-chip microcomputer, metering units, memory element, power subsystem, alarm unit, display screen, carrier communication unit, relay control unit, 485 communication units, clock unit, key-press input unit, safety certification unit and anti-theft unit.This intelligent electric meter has diverse in function, intelligence degree advantages of higher.
Description
Technical field
The present invention relates to electrotechnical instrument and meter industry electric energy metrical field, in particular a kind of single-phase cost-control intelligent electricity
Table.
Background technology
Ammeter, as the specially-used measuring instrument of electric power users power consumption, experienced by from motor meter to full electronic ammeter
Development, wherein full electronic ammeter experienced by the most again ordinary electronic formula electric energy meter, multi-rate meter, pre-payment electricity
Can the developmental stage such as table, multifunctional electric energy meter.There is certain drawback in existing electric energy meter: function singleness, and degree of intelligence is the highest,
Precision is low, takes control pattern and super part way is single, and data reliability is the highest, in-convenience in use.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, it is provided that a kind of indoor positioning side
Method and system, it is intended to solve the problem that existing capability is single, degree of intelligence is the highest.
It is as follows that the present invention solves the technical scheme that technical problem used:
A kind of single-phase cost-control intelligent ammeter structural representation, described ammeter includes shell, display screen, button, draw-in groove, pin
Access port and fingerprint acquisition device, described display location is in the top of shell, and the middle position above display screen is additionally provided with finger
Showing lamp, described pin access port is positioned at below shell, the fingerprint identification module within fingerprint acquisition device connection, described button bag
Include ten digital buttons and ACK button, cancel button and four direction button.
The internal structure of described ammeter includes single-chip microcomputer, metering units, memory element, power subsystem, alarm unit, display
Screen, carrier communication unit, relay control unit, 485 communication units, clock unit, key-press input unit, safety certification unit
With anti-theft unit.
Described single-chip microcomputer uses 78F0526 singlechip chip, and described metering units is by computation chip ADE7755 and periphery electricity
Road forms, and metering units connects current sampling unit and voltage sampling unit, current sampling unit and voltage sampling unit
Signal output part connects the signal input part of metering units；Described voltage sampling unit formula resistor voltage divider network, described electric current is adopted
Sample unit includes copper manganese diverter summation current transformer；Described metering units has the function of time-sharing measurement, can be with time-sharing measurement
Point, peak, flat, the electricity of paddy period；Described power subsystem uses lithium battery, and described power subsystem connects alarm unit, institute
State alarm unit and can realize fault alarm, and automatically send sound and light alarm when alarm unit detects when supply voltage is less than 3V
Signal；Described display screen is LCD liquid crystal display screen, can show the data such as electricity, voltage, electric current, power factor, can pass through simultaneously
485 communication units or carrier communication unit realize checking meter, and i.e. realize three kinds of different meter reading methods；Under normal usage,
Display lamp is normal bright state, can be inserted into magnetic card in draw-in groove, display screen can show the time, the date, current power consumption the most, current the most
Remaining sum in deducting fees with and blocking；When magnetic card inserts draw-in groove, user need to press fingerprint simultaneously, gather fingerprint by fingerprint acquisition device
Transmitting after image to fingerprint identification module, this fingerprint is identified by fingerprint identification module, if it does, then magnetic card can be from draw-in groove
Interior automatic spring, if it does not match, there will be information on display screen, and this system fingerprint input information can only make mistakes 4
Secondary, exceed number of times, fingerprint identification module can by warning message transmit to single-chip microcomputer, single-chip microcomputer receive and process this information after by reporting
Alert unit sends alarm command, and system is locked, and this ammeter cannot normally work, and just could need to recover after carrying out software unblock
Often；Described carrier communication unit utilizes existing power transmission and distribution power line network as transmission medium, it is achieved electric energy meter and Electricity Department
The networking of the long-range electricity-selling system of door；Described relay control unit can automatically switch off when subscriber arrearage or overload, when
Being sent, by long-range electricity-selling system, order of operating a switch during subscriber arrearage, after ammeter is properly received order of operating a switch, described display unit will
Display " operating a switch " character blinking prompting, relay control unit drives relay to operate a switch；After operating a switch successfully, " operating a switch " character is no longer
Flash and keep display；After user supplements with money, long-range electricity-selling system retransmits permission combined floodgate order, when ammeter is properly received order
After, now display unit shows that " operating a switch " character will disappear, and relay control unit drives relay to close a floodgate；Described memory element
Use eeprom memory, can prevent energy data from disappearing after accident power-off；Described clock unit is for having temperature-compensating merit
The clock circuit of energy, output frequency is 1Hz, clock accuracy≤0.4s/d；Described safety certification unit uses embedded-type security mould
Block, it includes kernel algorithm unit, described kernel algorithm connect have algorithm coprocessor, randomizer, RAM memory and
Intervalometer, is used for preventing unauthorized people from operating, thus ensures the safety that data are transmitted；Described anti-theft unit includes electricity
Stream sampling loop, single-chip microcomputer periodically reads and compares live wire and the value of neutral line current sampling, if the two current sampling difference
Exceeding the threshold value of setting, single-chip microcomputer selects the passage that in two electric currents, bigger current channel measures as current electric quantity, simultaneously
Occurred by alarm lamp unit output sound and light alarm signal designation stealing state；
The mode of operation of described expense control intelligent electric meter includes local charge control pattern and remote bill control pattern, and can reception fee control
Mode switching signal switches between both of which, take control mode switching signal by single-phase cost-control intelligent ammeter preset
Switching time triggers, and is configured by the host computer of electricity-selling system described default switching time, once single-phase cost-control intelligent electricity
When timing in table arrives the switching time preset, will according to switching current take control pattern, it is judged that obtain switching letter
Number it is that local charge control pattern switches to remote bill control pattern or remote bill control pattern switches to local charge control pattern.
A kind of single-phase cost-control intelligent ammeter provided by the present invention, has a following useful technique effect:
1, remote pre-payment can be realized and check meter, and local charge control pattern and the flexible of remote bill control pattern switch, and make
Preferably meet electric energy metrical and clearing demand；
2, have employed safety certification and fingerprint recognition, the safety of data is high；
3, LCD liquid crystal display screen can show the data such as electricity, voltage, electric current, power factor, simultaneously can be by 485 communications
Unit or carrier communication unit realize checking meter, and i.e. realize three kinds of different meter reading methods；
4, fault alarm and the too low warning of electricity can be realized, it is simple to management, add ammeter reliability of operation；
5, anti-theft unit can reach to prevent the purpose of power stealing to contain common power stealing mode.
Accompanying drawing explanation
A kind of single-phase cost-control intelligent ammeter structural representation that Fig. 1 provides for the present invention；
A kind of single-phase cost-control intelligent ammeter internal structure schematic diagram that Fig. 2 provides for the present invention.
Detailed description of the invention
The present invention provides a kind of single-phase cost-control intelligent ammeter, for making the purpose of the present invention, technical scheme and advantage more clear
Chu, clearly, the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.Should be appreciated that tool described herein
Body embodiment only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 is a kind of single-phase cost-control intelligent ammeter structural representation of the present invention, as it can be seen, described ammeter includes shell
1, display screen 2, button 3, draw-in groove 4, pin access port 5 and fingerprint acquisition device 6, described display screen 2 is positioned at the top of shell 1,
Middle position above display screen 2 is additionally provided with display lamp 7, and described pin access port 5 is positioned at below shell 1, and fingerprint collecting fills
Putting the fingerprint identification module within 6 connections, described button 3 includes ten digital buttons and ACK button, cancel button and four
Individual arrow button, described button 3 connects the key-press input unit 17 of inside.
Fig. 2 is a kind of single-phase cost-control intelligent ammeter internal circuit configuration schematic diagram of the present invention, as it can be seen, described ammeter
Internal circuit configuration include single-chip microcomputer 8, metering units 9, memory element 10, power subsystem 11, alarm unit 12, display unit
18, carrier communication unit 13, relay control unit 14,485 communication unit 15, clock unit 16, key-press input unit 17, peace
Full authentication ' unit 19 and anti-theft unit 20.
Described single-chip microcomputer 8 uses 78F0526 singlechip chip, and described metering units 9 is by computation chip ADE7755 and periphery
Circuit forms, and metering units 9 connects current sampling unit and voltage sampling unit, current sampling unit and voltage sampling unit
Signal output part connect metering units 9 signal input part；Described voltage sampling unit formula resistor voltage divider network, described electric current
Sampling unit includes copper manganese diverter summation current transformer；Described metering units 9 has the function of time-sharing measurement, can be in terms of timesharing
Amount point, peak, flat, the electricity of paddy period；Described power subsystem 11 uses lithium battery, and described power subsystem 11 connects list of reporting to the police
Unit 12, described alarm unit 12 can realize fault alarm, and when alarm unit 12 detect supply voltage when being less than 3V automatic
Send sound and light alarm signal；Described display screen 2 is LCD liquid crystal display screen, can show the numbers such as electricity, voltage, electric current, power factor
According to, can realize checking meter by 485 communication units 15 or carrier communication unit 13 simultaneously, i.e. realize three kinds of different meter reading methods；
Under normal usage, display lamp is normal bright state, can be inserted into magnetic card in draw-in groove, display screen 2 can show the time, the date,
Current power consumption, current having deducted fees are used and remaining sum in card；When magnetic card inserts draw-in groove, user need to press fingerprint simultaneously, pass through
Fingerprint acquisition device 6 transmits after gathering fingerprint image to fingerprint identification module, and this fingerprint is identified by fingerprint identification module, as
Fruit coupling, then magnetic card can in draw-in groove automatic spring, if it does not match, there will be information on display screen 2, and this system
Fingerprint input information can only be made mistakes 4 times, exceedes number of times, and warning message can be transmitted to single-chip microcomputer 8, single-chip microcomputer by fingerprint identification module
8 receive and process this information after sent alarm command by alarm unit 12, and system is locked, this ammeter cannot normally work,
Could need to recover normal after carrying out software unblock；Described carrier communication unit 13 utilizes existing power transmission and distribution power line network conduct
Transmission medium, it is achieved the networking of the long-range electricity-selling system of electric energy meter and power department；Described relay control unit 14 can with
Automatically switch off when family arrearage or overload, sent, by long-range electricity-selling system, order of operating a switch when subscriber arrearage, when ammeter success
Reception is operated a switch after order, and display " operating a switch " character blinking is pointed out by described display unit, and relay control unit 14 drives relay
Device is operated a switch；After operating a switch successfully, " operating a switch " character no longer flashes and keeps display；After user supplements with money, long-range electricity-selling system is sent out again
Sending permission to close a floodgate to order, after ammeter is properly received order, now display unit shows that " operating a switch " character will disappear, relay control
Unit 14 processed drives relay to close a floodgate；Described memory element 10 uses eeprom memory, and energy data can be prevented unexpected disconnected
Disappear after electricity；Described clock unit 16 is the clock circuit with temperature compensation function, and output frequency is 1Hz, clock accuracy≤
0.4s/d；Described safety certification unit 19 uses embedded safety module, and it includes kernel algorithm unit, and described kernel algorithm is even
It is connected to algorithm coprocessor, randomizer, RAM memory and intervalometer, is used for preventing unauthorized people from operating, thus
Ensure the safety of data transmission；Described anti-theft unit 20 includes that current sampling loop, single-chip microcomputer 8 are periodically read and the most fiery
Line and the value of neutral line current sampling, if the two current sampling difference exceedes the threshold value of setting, single-chip microcomputer 8 selects two electric currents
In the passage that measures as current electric quantity of bigger current channel, stolen by alarm lamp unit output sound and light alarm signal designation simultaneously
Electricity condition occurs；
The mode of operation of described expense control intelligent electric meter includes local charge control pattern and remote bill control pattern, and can reception fee control
Mode switching signal switches between both of which, take control mode switching signal by single-phase cost-control intelligent ammeter preset
Switching time triggers, and is configured by the host computer of electricity-selling system described default switching time, once single-phase cost-control intelligent electricity
When timing in table arrives the switching time preset, will according to switching current take control pattern, it is judged that obtain switching letter
Number it is that local charge control pattern switches to remote bill control pattern or remote bill control pattern switches to local charge control pattern.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved according to the above description or to convert, all these modifications and variations all should belong to the guarantor of claims of the present invention
Protect scope.
Claims (3)
1. a single-phase cost-control intelligent ammeter, it is characterised in that described ammeter includes shell, display screen, button, draw-in groove, pin
Access port and fingerprint acquisition device, described display location is in the top of shell, and the middle position above display screen is additionally provided with finger
Showing lamp, described pin access port is positioned at below shell, the fingerprint identification module within fingerprint acquisition device connection, described button bag
Include ten digital buttons and ACK button, cancel button and four direction button.
2. a kind of single-phase cost-control intelligent ammeter as claimed in claim 1, it is characterised in that the internal structure of described ammeter includes
Single-chip microcomputer, metering units, memory element, power subsystem, alarm unit, display screen, carrier communication unit, Control list
Unit, 485 communication units, clock unit, key-press input unit, safety certification unit and anti-theft unit.
3. a kind of single-phase cost-control intelligent ammeter as claimed in claim 2, it is characterised in that described single-chip microcomputer uses 78F0526
Singlechip chip, described metering units is made up of computation chip ADE7755 and peripheral circuit, and metering units connects current sample
The signal that the signal output part of unit and voltage sampling unit, current sampling unit and voltage sampling unit connects metering units is defeated
Enter end；Described voltage sampling unit formula resistor voltage divider network, described current sampling unit includes copper manganese diverter and Current Mutual Inductance
Device；Described metering units has the function of time-sharing measurement, can be with time-sharing measurement point, peak, flat, the electricity of paddy period；Described power supply
Unit uses lithium battery, and described power subsystem connects alarm unit, and described alarm unit can realize fault alarm, and works as
Alarm unit detects and automatically sends sound and light alarm signal when supply voltage is less than 3V；Described display screen is LCD liquid crystal display screen,
The data such as electricity, voltage, electric current, power factor can be shown, can realize copying by 485 communication units or carrier communication unit simultaneously
Table, i.e. realizes three kinds of different meter reading methods；Under normal usage, display lamp is normal bright state, can be inserted into magnetic in draw-in groove
Card, display screen can show time, date, current power consumption, current having deducted fees are used and remaining sum in card；When magnetic card inserts draw-in groove
Time, user need to press fingerprint simultaneously, transmits to fingerprint identification module after gathering fingerprint image by fingerprint acquisition device, and fingerprint is known
This fingerprint is identified by other module, if it does, then magnetic card can in draw-in groove automatic spring, if it does not match, display screen
On there will be information, and fingerprint input information can only be made mistakes 4 times, exceedes number of times, and fingerprint identification module can be by warning message
Transmission is to single-chip microcomputer, and single-chip microcomputer is sent alarm command by alarm unit after receiving and process this information, and system is locked, this electricity
Table cannot normally work, and could need to recover normal after carrying out software unblock；Described carrier communication unit utilizes existing power transmission and distribution
Power line network is as transmission medium, it is achieved the networking of the long-range electricity-selling system of electric energy meter and power department；Described relay control
Unit processed can automatically switch off when subscriber arrearage or overload, is sent, by long-range electricity-selling system, life of operating a switch when subscriber arrearage
Order, after ammeter is properly received order of operating a switch, display " operating a switch " character blinking is pointed out by described display unit, Control list
Unit drives relay to operate a switch；After operating a switch successfully, " operating a switch " character no longer flashes and keeps display；After user supplements with money, remotely sell
Electricity system retransmits permission combined floodgate order, and after ammeter is properly received order, now display unit shows that " operating a switch " character will disappear
Losing, relay control unit drives relay to close a floodgate；Described memory element uses eeprom memory, can prevent energy data from existing
Disappear after accident power-off；Described clock unit is the clock circuit with temperature compensation function, and output frequency is 1Hz, clock essence
Degree≤0.4s/d；Described safety certification unit uses embedded safety module, and it includes kernel algorithm unit, described kernel algorithm
Connect and have algorithm coprocessor, randomizer, RAM memory and intervalometer, be used for preventing unauthorized people from operating, from
And ensure the safety that data are transmitted；Described anti-theft unit includes current sampling loop, and single-chip microcomputer periodically reads and the most fiery
Line and the value of neutral line current sampling, if the two current sampling difference exceedes the threshold value of setting, single-chip microcomputer selects two electric currents
In the passage that measures as current electric quantity of bigger current channel, stolen by alarm lamp unit output sound and light alarm signal designation simultaneously
Electricity condition occurs；
The mode of operation of described expense control intelligent electric meter includes local charge control pattern and remote bill control pattern, and can reception fee control pattern
Switching signal switches between both of which, takes control mode switching signal by the switching preset in single-phase cost-control intelligent ammeter
Time Triggered, is configured by the host computer of electricity-selling system, once in single-phase cost-control intelligent ammeter described default switching time
Timing when arriving the switching time preset, control pattern will be taken according to switching is current, it is judged that obtaining switching signal is
Local charge control pattern switches to remote bill control pattern or remote bill control pattern switches to local charge control pattern.
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Cited By (18)
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| CN106645932A (en) * | 2016-12-05 | 2017-05-10 | 宜兴市森维电子有限公司 | Split-type single-phase intelligent electric energy meter |
| CN107238739A (en) * | 2017-07-07 | 2017-10-10 | 溧阳市华鹏电力仪表有限公司 | A kind of intelligent integrated formula ammeter and its operating method |
| CN107340493A (en) * | 2017-06-22 | 2017-11-10 | 南方电网科学研究院有限责任公司 | Take the mode switch function method of testing and system of control electric energy meter |
| CN107393163A (en) * | 2017-07-07 | 2017-11-24 | 溧阳市华鹏电力仪表有限公司 | A kind of fire-proof and theft-proof ammeter |
| CN107424319A (en) * | 2017-06-22 | 2017-12-01 | 国家电网公司 | A kind of intelligent remote monitoring electric meter system |
| CN107450421A (en) * | 2017-10-10 | 2017-12-08 | 南昌市永峰科技有限公司 | A kind of multi-functional logical process system and its method for operation |
| CN107959275A (en) * | 2017-12-15 | 2018-04-24 | 芜湖润蓝生物科技有限公司 | A kind of household safe electricity consumption monitoring device |
| CN108761197A (en) * | 2018-03-02 | 2018-11-06 | 国网山东省电力公司潍坊供电公司 | Can hot line job mobile examination metering method and realize the device of this method |
| CN108919724A (en) * | 2018-08-09 | 2018-11-30 | 南京梵科智能科技有限公司 | A kind of Automatic meter reading system based on Internet of Things |
| CN109300246A (en) * | 2018-10-10 | 2019-02-01 | 深圳市科陆电子科技股份有限公司 | A kind of shared ammeter control method, device and computer-readable medium |
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| CN102236086B (en) * | 2010-04-29 | 2013-07-03 | 杭州市电力局 | Method and device for inspecting electric energy meter |
| CN102901851A (en) * | 2011-07-25 | 2013-01-30 | 南京能瑞自动化设备股份有限公司 | Single-phase remote-cost control intelligent ammeter with RS485 control signal output |
| CN202471787U (en) * | 2012-03-08 | 2012-10-03 | 银川华能电力仪表有限公司 | Single-phase cost control intelligent electric meter capable of preventing short-circuited live wire electric larceny |
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| CN107340493B (en) * | 2017-06-22 | 2019-11-08 | 南方电网科学研究院有限责任公司 | Take the mode switch function test method and system of control electric energy meter |
| CN107340493A (en) * | 2017-06-22 | 2017-11-10 | 南方电网科学研究院有限责任公司 | Take the mode switch function method of testing and system of control electric energy meter |
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| CN107238739A (en) * | 2017-07-07 | 2017-10-10 | 溧阳市华鹏电力仪表有限公司 | A kind of intelligent integrated formula ammeter and its operating method |
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| CN107959275A (en) * | 2017-12-15 | 2018-04-24 | 芜湖润蓝生物科技有限公司 | A kind of household safe electricity consumption monitoring device |
| CN108761197A (en) * | 2018-03-02 | 2018-11-06 | 国网山东省电力公司潍坊供电公司 | Can hot line job mobile examination metering method and realize the device of this method |
| CN108919724A (en) * | 2018-08-09 | 2018-11-30 | 南京梵科智能科技有限公司 | A kind of Automatic meter reading system based on Internet of Things |
| CN109300246A (en) * | 2018-10-10 | 2019-02-01 | 深圳市科陆电子科技股份有限公司 | A kind of shared ammeter control method, device and computer-readable medium |
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| CN109888921A (en) * | 2019-03-01 | 2019-06-14 | 武汉华沃电源技术有限公司 | A kind of movable-type intelligent network system |
| CN110400422A (en) * | 2019-06-26 | 2019-11-01 | 青岛乾程科技股份有限公司 | A kind of electric energy meter charging method |
| CN111474428A (en) * | 2020-04-14 | 2020-07-31 | 无锡市恒通电器有限公司 | Household meter relation detection device based on intelligent electric meter load identification technology |
| CN111583622A (en) * | 2020-04-28 | 2020-08-25 | 南方电网数字电网研究院有限公司 | Metering information distribution processing system and method of double-core intelligent ammeter management unit |
| CN111583622B (en) * | 2020-04-28 | 2021-01-22 | 南方电网数字电网研究院有限公司 | Metering information distribution processing system and method of double-core intelligent ammeter management unit |
| CN112198951A (en) * | 2020-11-10 | 2021-01-08 | 贵州升智交科信息技术发展有限公司 | Power supply and distribution real-time data analysis display system |
| CN113129712A (en) * | 2021-03-16 | 2021-07-16 | 雷霆 | Logic training development board |
| CN113295899A (en) * | 2021-05-14 | 2021-08-24 | 国网江苏省电力有限公司苏州供电分公司 | Multifunctional electricity meter and use method thereof |
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| CN106097588B (en) | 2018-11-02 |
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