CN205920141U - Intelligent ammeter inspection device and checkout system - Google Patents
Intelligent ammeter inspection device and checkout system Download PDFInfo
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- CN205920141U CN205920141U CN201620849591.4U CN201620849591U CN205920141U CN 205920141 U CN205920141 U CN 205920141U CN 201620849591 U CN201620849591 U CN 201620849591U CN 205920141 U CN205920141 U CN 205920141U
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- intelligent terminal
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- electric energy
- energy meter
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Abstract
The utility model discloses an intelligent ammeter inspection device, including intelligent terminal interface module, signal processing module, infrared receipt sending module and power module, intelligent terminal interface module is suitable for and is connected with intelligent terminal to receive the instruction of checking meter that intelligent terminal sent, signal processing module will check meter the instruction issue to infrared receipt sending module, infrared receipt sending module will check meter to instruct and convert infrared signal into to send for intelligent ammeter, and receive intelligent ammeter that send with infrared information that the instruction of checking meter corresponds to send for signal processing module, signal processing module still is the signal of telecommunication with infrared information transfer, sends for intelligent terminal through intelligent terminal interface module. Above -mentioned intelligent ammeter inspection device can not opened the seal, not use under the condition of phase place volometer, acquires intelligent ammeter's information to inspect with the intelligent terminal cooperation, and convenient operation. The utility model discloses still disclose an intelligent ammeter checkout system.
Description
Technical field
This utility model is related to electric energy meter technical field, and more particularly to a kind of intelligent electric energy meter check device and inspection are
System.
Background technology
The power utility check of power supply enterprise, metering, meter reading personnel, when the electric energy meter to Electricity customers carries out site inspection
Confirm electric energy meter whether normal operation, whether wiring is correct, and user has or not electricity filching behavior etc..According to conventional working method, no
Evitable seal to be opened, batch meter and table tail-hood, phase voltammetric meter are accessed electric energy meter voltage, current loop carries out phasor
Measurement, not only wastes seal, tedious process, needs artificial judgment, there is also potential safety hazard.Open seal during stealing inspection also can
Destory the scene, easily cause the dispute with user.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, provides a kind of intelligent electric energy meter
Check device and inspection system, this check device is capable of not opening seal, not using phase place to lie prostrate with intelligent terminal's cooperation
In the case of peace table, obtain the information of intelligent electric energy meter, and the misconnection and stealing of intelligent electric energy meter is checked, operation side
Just.
For solving above-mentioned technical problem, technical solution adopted in the utility model is: a kind of intelligent electric energy meter inspection dress
Put, including intelligent terminal's interface module, signal processing module, infrared receiver/sending module and power module；Described intelligent terminal
Interface module, infrared receiver/sending module and power module are all connected with described signal processing module；Wherein:
Described intelligent terminal's interface module is suitable to be connected with intelligent terminal, for receiving checking meter of described intelligent terminal's transmission
Instruction, and described meter reading instruction is sent to described signal processing module；
Described signal processing module is used for sending described meter reading instruction to described infrared receiver/sending module；
Described infrared receiver/sending module is used for for described meter reading instruction being converted to infrared signal, and is sent to intelligent electricity
Can table；And receive the infrared information corresponding with described meter reading instruction that described intelligent electric energy meter sends, and it is sent to described
Signal processing module；
Described signal processing module is additionally operable to for described infrared information to be converted to the signal of telecommunication, by described intelligent terminal's interface
Module is sent to described intelligent terminal；
Described power module is powered for described signal processing unit.
Preferably, described signal processing module includes infrared information is converted into photoelectric conversion unit, the demodulation of the signal of telecommunication
Unit and decoding unit；Described photoelectric conversion unit, demodulating unit and decoding unit are sequentially connected；Described photoelectric conversion unit
Input is connected with described infrared receiver/sending module.
Preferably, described signal processing module also includes the amplifying unit that the signal of telecommunication is amplified；Described opto-electronic conversion
Unit is connected with described demodulating unit by described amplifying unit.
Preferably, described intelligent terminal is smart mobile phone, ipad or notebook computer；Described intelligent terminal's interface module bag
Include intelligent terminal's interface and Interface status display lamp；
Described intelligent terminal's interface and described Interface status display lamp are all connected with described signal processing module；
Described intelligent terminal's interface other end is suitable to be connected with intelligent terminal；
When described signal processing module detects described intelligent terminal's interface external intelligent terminal, control described Interface status
Display lamp works.
Preferably, described intelligent terminal's interface is usb interface.
Preferably, described infrared receiver/sending module includes infrared receiver port, infrared emission port and infrared signal tune
Circuit processed；Wherein:
Described infrared receiver port is connected with described signal processing module；
Described infrared signal modulation circuit one end is connected with described signal processing module, the other end and described infrared emission end
Mouth connects；
The meter reading instruction that described infrared signal modulation circuit is used for sending described signal processing unit is converted to infrared
Signal, and intelligent electric energy meter is sent to by described infrared emission port.
Preferably, described power module includes battery, charging port and charge-discharge protection circuit；Wherein:
Described battery is electrically connected with described signal processing module by described charge-discharge protection circuit；
Described charging port is electrically connected with described charge-discharge protection circuit；
Described charging port is electrically connected with described battery by described charge-discharge protection circuit；
Described charging port is electrically connected with described signal processing module also by described charge-discharge protection circuit；
Described charging port is suitable to electrically connect with external power source.
Preferably, described power module also includes switching；Described switch is arranged on described charge-discharge protection circuit and described
Between signal processing module；Described charge-discharge protection circuit is passed through described switch and is electrically connected with described signal processing module.
Preferably, described power module also includes voltage conversion circuit；Described voltage conversion circuit is arranged on described switch
And described signal processing module between；Described switch is electrically connected with described signal processing module by described voltage conversion circuit.
This utility model is also disclosed a kind of intelligent electric energy meter inspection system, checks including any one intelligent electric energy meter above-mentioned
Device and intelligent terminal；Described intelligent electric energy meter check device is connected with described intelligent terminal；
Described intelligent terminal is used for sending meter reading instruction by described intelligent electric energy meter check device to intelligent electric energy meter；
Described intelligent electric energy meter check device is used for receiving the corresponding with described meter reading instruction red of intelligent electric energy meter transmission
External information, and described infrared information is converted into the signal of telecommunication sends to described intelligent terminal；
Described intelligent terminal is additionally operable to the described signal of telecommunication receiving is processed.
Have the beneficial effects that using produced by technique scheme: intelligent terminal's interface module is connected with intelligent terminal,
Infrared receiver/sending module is connected with intelligent electric energy meter.After intelligent terminal generates meter reading instruction, send to intelligent terminal's interface mould
Block, and be converted into infrared signal and send to intelligent electric energy meter by infrared receiver/sending module.Intelligent electric energy meter is checked meter according to this
After instruction acquisition or acquisition relevant information, sent in the way of infrared signal to infrared receiver/sending module.Then signal processing
Module is converted to this infrared signal after the signal of telecommunication, is sent to intelligent terminal by intelligent terminal's interface module.By using upper
State intelligent electric energy meter check device it is no longer necessary to open seal, batch meter and table tail-hood, be also not required to for phase voltammetric meter to access electricity
Energy table voltage, current loop carry out phasor measurement, you can get the information of needs.I.e. above-mentioned intelligent electric energy meter check device,
The information that intelligent electric energy meter sends can be obtained, and can pass through in the case of not opening seal, not using phase voltammetric meter
Intelligent terminal is for further processing, and easy to operate.
Brief description
Fig. 1 is the structural representation of this utility model one embodiment of intelligent electric energy meter check device；
Fig. 2 is the structural representation of the signal processing module in Fig. 1；
Fig. 3 is the structural representation of the signal processing module another embodiment in Fig. 1；
Fig. 4 is the structural representation of the intelligent terminal's interface module in Fig. 1；
Fig. 5 is the structural representation of the infrared receiver/sending module in Fig. 1；
Fig. 6 is the structural representation of the power module in Fig. 1；
Fig. 7 is the structural representation of the power module another embodiment in Fig. 1；
Fig. 8 is the structural representation of the third embodiment of power module in Fig. 1；
Fig. 9 is the structural representation of this utility model one embodiment of intelligent electric energy meter inspection system.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in further detail.
Referring to Fig. 1, in an embodiment, intelligent electric energy meter check device can include intelligent terminal's interface module 100, letter
Number processing module 200, infrared receiver/sending module 300 and power module 400.Intelligent terminal's interface module 100, infrared receiver/
Sending module 300 and power module 400 are all connected with signal processing module 200.Wherein, intelligent terminal's interface module 100 is suitable to
It is connected with intelligent terminal 500, for receiving the meter reading instruction of intelligent terminal 500 transmission, and meter reading instruction is sent to signal
Reason module 200.Signal processing module 200 is used for sending meter reading instruction to infrared receiver/sending module 300.Infrared receiver/send out
Send module 300 for meter reading instruction is converted to infrared signal, and be sent to intelligent electric energy meter 600.Infrared receiver/sending module
300 are additionally operable to receive the infrared information corresponding with meter reading instruction that intelligent electric energy meter 600 sends, and are sent to signal processing module
200.Signal processing module 200 is additionally operable to for infrared information to be converted to the signal of telecommunication, is sent to by intelligent terminal's interface module 100
Intelligent terminal 500.Power module 400 is powered for signal processing unit 200.Signal processing unit 200 is intelligent terminal's interface mould
Block 100 and infrared receiver/sending module 300 are powered.
It should be understood that can generate by intelligent terminal 500 that copying of the relevant information storing in intelligent electric meter 600 is obtained
Table instructs.Intelligent terminal port corresponding with intelligent terminal's interface module 100 can be provided with intelligent terminal 500.Intelligence electricity
According to meter reading instruction collection or information corresponding with meter reading instruction can be obtained by table 600, and this information is passed through over the horizon communication system
It is sent to the infrared receiver/sending module 300 of intelligent electric energy meter check device.Because this information is infrared signal, need to be converted into
The signal of telecommunication, then just can be for further processing.Therefore, this information can be carried out conversion process by signal processing module 200, will be red
External signal is converted into the signal of telecommunication, and is sent to intelligent terminal 500 by intelligent terminal's interface module 100.Intelligent terminal 500 is by intelligence
The signal of telecommunication that energy electric energy table look up device sends carries out subsequent treatment, for example, carry out judgement of stealing and/or misconnection electricity etc..
Referring to Fig. 2, in an embodiment, signal processing module 200 can include photoelectric conversion unit 210, demodulating unit
220 and decoding unit 230.Photoelectric conversion unit 210, demodulating unit 220 and decoding unit 230 are sequentially connected.Opto-electronic conversion list
The input of unit 210 is connected with infrared receiver/sending module 300.Photoelectric conversion unit 210 is used for infrared receiver/transmission mould
The infrared information that block 300 receives is converted to the signal of telecommunication, and the signal of telecommunication is sent to demodulation module 220.Demodulation module 220 is used for
The signal of telecommunication is demodulated, and the signal of telecommunication after demodulation is sent to decoding module 230.After decoding module 230 is used for demodulating
The signal of telecommunication enter row decoding, and the signal of telecommunication after decoding is sent to intelligent terminal 500 by intelligent terminal's interface module 100.
Referring to Fig. 3, in an embodiment, signal processing unit 200 can also include amplifying unit 240.Opto-electronic conversion list
Unit 210 is connected with demodulating unit 220 by amplifying unit 240.Amplifying unit 240 is used for changing out photoelectric conversion unit 210
The signal of telecommunication be amplified, and by amplify after the signal of telecommunication send to demodulation module 220.Demodulation module 220 by amplify after electricity
Signal is demodulated, and the signal of telecommunication after demodulation is sent to decoding module 230.Setting amplifying unit 240 can turn in photoelectricity
Change the signal of telecommunication that unit 210 changes out weaker when, be amplified processing, thus ensureing to intelligent electric energy meter 600 signal-obtaining
Accuracy.
Referring to Fig. 4, in an embodiment, intelligent terminal can be smart mobile phone, ipad or notebook computer etc..Intelligence is eventually
End interface module 100 can include intelligent terminal's interface 110 and Interface status display lamp 120.Intelligent terminal's interface 110 and interface
Status indicator lamp 120 is all connected with signal processing module 200.The other end of intelligent terminal's interface 110 is suitable to and intelligent terminal 500
Connect.Specifically, intelligent terminal's interface 110 is suitable to be connected with the related port on intelligent terminal 500.In addition, signal processing mould
When block 200 detects intelligent terminal interface 110 external intelligent terminal 500, control interface status indicator lamp 200 works.Setting connects
Mouth status indicator lamp 120 can allow user intuitively learn whether intelligent electric energy meter check device is connected with intelligent terminal 500, thus
Can save the time, improve service efficiency.
As a kind of embodiment, intelligent terminal's interface 110 can be usb(universal serial bus, general
Universal serial bus) interface, easy to connect with intelligent terminal 500, and data transmission bauds is very fast.Certainly, intelligent terminal's interface 110 is gone back
Can be other interfaces, such as blue tooth interface etc..That is, intelligent electric energy meter check device can also by way of Bluetooth communication with
Intelligent terminal 500 connects, and obtains the meter reading instruction that intelligent terminal 500 sends, or sends and meter reading instruction pair to intelligent terminal 500
The information answered.
Referring to Fig. 5, in an embodiment, infrared receiver/sending module 300 can include infrared emission port 311, infrared
Signal modulation circuit 312 and infrared receiver port 320.Wherein, infrared receiver port 320 is connected with signal processing module 200.Red
One end of external signal modulation circuit 312 is connected with signal processing module 200, and the other end is connected with infrared emission port 311.Infrared
The meter reading instruction that signal modulation circuit 312 is used for sending signal processing unit 200 is converted to infrared signal, and by infrared
Emission port 311 is sent to intelligent electric energy meter 600.Intelligent electric energy meter 600 according to the infrared signal collection receiving or obtains phase
Pass information, and send to infrared receiver port 320.Infrared receiver port 320 sends the information receiving to signal processing mould
Block 200 carries out relevant treatment.
Referring to Fig. 6, in an embodiment, power module 400 can include battery 401, charging port 410 and discharge and recharge to be protected
Protection circuit 420.Wherein, battery 401 is electrically connected with signal processing module 200 by charge-discharge protection circuit 420.Charging port
410 are electrically connected with charge-discharge protection circuit 420.Charging port 410 is electrically connected with battery 401 by charge-discharge protection circuit 420.
Charging port 410 is electrically connected with signal processing module 200 also by charge-discharge protection circuit 420.Charging port 410 is suitable to outward
Portion's power electric connection.
Referring to Fig. 7, in an embodiment, power module 400 can also include switching 430.Switch 430 is arranged on discharge and recharge
Between protection circuit 420 and signal processing module 200.Charge-discharge protection circuit 420 passes through to switch 430 and signal processing module
200 electrical connections.Setting switch 430 can conveniently control the charging process to signal processing module 200 for the power module 400, for example
Power module 400 can be suspended to charging of signal processing module 200 etc..
Referring to Fig. 8, in an embodiment, power module 400 can also include voltage conversion circuit 440.Voltage conversion electricity
Road 440 is arranged between switch 430 and signal processing module 500.Switch 430 passes through voltage conversion circuit 440 and signal processing
Module 200 electrically connects.Voltage conversion circuit 440 is used for being transferred to signal processing module 200 to charging port 410 or battery 401
Electric energy carry out voltage conversion and voltage stabilizing and process, so that signal processing module 200 is more safe and stable and efficiently works.
In each embodiment above-mentioned, infrared information can include electric current and voltage.Infrared information can also include zero sequence electricity
Stream, phase angle, power factor, information of uncapping, history electricity, decompression record, defluidization record, active power, active energy, idle electricity
Can be with one or more of power load distributing information information.
Above-mentioned intelligent electric energy meter check device, intelligent terminal's interface module 100 is connected with intelligent terminal 500, infrared receiver/
Sending module 300 is connected with intelligent electric energy meter 600.After intelligent terminal 500 generates meter reading instruction, send to intelligent terminal's interface mould
Block 100, and infrared signal is converted into by infrared receiver/sending module 300 sends to intelligent electric energy meter 600.Intelligent electric energy meter
600 according to the collection of this meter reading instruction or obtain after relevant information, are sent to infrared receiver/sending module in the way of infrared signal
300.Then signal processing module 200 is converted to this infrared signal after the signal of telecommunication, is sent by intelligent terminal's interface module 100
To intelligent terminal 500.By using above-mentioned intelligent electric energy meter check device it is no longer necessary to open seal, batch meter and table tail-hood,
Carry out phasor measurement also without by phase voltammetric meter access electric energy meter voltage, current loop.Therefore above-mentioned intelligent electric energy meter inspection
Look into device, the information of intelligent electric energy meter in the case of not opening seal, not using phase voltammetric meter, can be obtained, and pass through
Intelligent terminal is for further processing, for example, intelligent electric energy meter is carried out with stealing and/or error connection judges, and easy to operate.
Referring to Fig. 9, a kind of intelligent electric energy meter inspection system, fill 10 and intelligence including any one intelligent electric energy meter inspection above-mentioned
Can terminal 500.Intelligent electric energy meter check device 10 is connected with intelligent terminal 500.Intelligent terminal 500 states intelligent electric energy meter for logical
Check device 10 sends meter reading instruction to intelligent electric energy meter 600.Intelligent electric energy meter check device 10 is used for receiving intelligent electric energy meter
The infrared information corresponding with meter reading instruction of 600 transmissions, and infrared information is converted into after the signal of telecommunication sending to intelligent terminal
500.Intelligent terminal 500 is additionally operable to the signal of telecommunication receiving is processed.
Specifically, intelligent terminal 500 can carry out stealing according to the information getting and/or error connection judges.This gets
Information be sent to intelligent terminal 500 according to meter reading instruction by intelligent electric energy meter check device 10 for intelligent electric energy meter 600
Information.The information that this gets can include voltage and current.Electric current can be neutral line current and live wire electric current.Voltage can be
Neutral voltage and hot voltage.Certainly the information that this gets can also include other information.
Above-mentioned intelligent electric energy meter inspection system, has intelligent electric energy meter check device 10, therefore has intelligent electric energy meter inspection
Look into all advantages that device 10 has, therefore will not be described here.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in this utility model
Protection domain within.
Claims (10)
1. a kind of intelligent electric energy meter check device is it is characterised in that include intelligent terminal's interface module, signal processing module, red
External transmitting/receiving send module and power module；Described intelligent terminal's interface module, infrared receiver/sending module and power module are equal
It is connected with described signal processing module；Wherein:
Described intelligent terminal's interface module is suitable to be connected with intelligent terminal, for receiving the finger of checking meter that described intelligent terminal sends
Order, and described meter reading instruction is sent to described signal processing module；
Described signal processing module is used for sending described meter reading instruction to described infrared receiver/sending module；
Described infrared receiver/sending module is used for for described meter reading instruction being converted to infrared signal, and is sent to intelligent electric energy meter；
And receive the infrared information corresponding with described meter reading instruction that described intelligent electric energy meter sends, and it is sent at described signal
Reason module；
Described signal processing module is additionally operable to for described infrared information to be converted to the signal of telecommunication, by described intelligent terminal's interface module
It is sent to described intelligent terminal；
Described power module is powered for described signal processing unit.
2. intelligent electric energy meter check device according to claim 1 it is characterised in that described signal processing module include by
Infrared information is converted into photoelectric conversion unit, demodulating unit and the decoding unit of the signal of telecommunication；Described photoelectric conversion unit, demodulation are single
Unit and decoding unit are sequentially connected；The input of described photoelectric conversion unit is connected with described infrared receiver/sending module.
3. intelligent electric energy meter check device according to claim 2 is it is characterised in that described signal processing module also includes
The amplifying unit that the signal of telecommunication is amplified；Described photoelectric conversion unit passes through described amplifying unit with described demodulating unit even
Connect.
4. intelligent electric energy meter check device according to claim 1 is it is characterised in that described intelligent terminal is intelligent handss
Machine, ipad or notebook computer；Described intelligent terminal's interface module includes intelligent terminal's interface and Interface status display lamp；
Described intelligent terminal's interface and described Interface status display lamp are all connected with described signal processing module；
Described intelligent terminal's interface other end is suitable to be connected with intelligent terminal；
When described signal processing module detects described intelligent terminal's interface external intelligent terminal, control described Interface status instruction
Lamp works.
5. intelligent electric energy meter check device according to claim 4 is it is characterised in that described intelligent terminal's interface is usb
Interface.
6. intelligent electric energy meter check device according to claim 1 is it is characterised in that described infrared receiver/sending module
Including infrared receiver port, infrared emission port and infrared signal modulation circuit；Wherein:
Described infrared receiver port is connected with described signal processing module；
Described infrared signal modulation circuit one end is connected with described signal processing module, and the other end is with described infrared emission port even
Connect；
The meter reading instruction that described infrared signal modulation circuit is used for sending described signal processing unit is converted to infrared signal,
And intelligent electric energy meter is sent to by described infrared emission port.
7. intelligent electric energy meter check device according to claim 1 it is characterised in that described power module include battery,
Charging port and charge-discharge protection circuit；Wherein:
Described battery is electrically connected with described signal processing module by described charge-discharge protection circuit；
Described charging port is electrically connected with described charge-discharge protection circuit；
Described charging port is electrically connected with described battery by described charge-discharge protection circuit；
Described charging port is electrically connected with described signal processing module also by described charge-discharge protection circuit；
Described charging port is suitable to electrically connect with external power source.
8. intelligent electric energy meter check device according to claim 7 is it is characterised in that described power module also includes out
Close；Described switch is arranged between described charge-discharge protection circuit and described signal processing module；Described charge-discharge protection circuit
Electrically connected with described signal processing module by described switch.
9. intelligent electric energy meter check device according to claim 8 is it is characterised in that described power module also includes voltage
Change-over circuit；Described voltage conversion circuit is arranged between described switch and described signal processing module；Described switch passes through institute
State voltage conversion circuit to electrically connect with described signal processing module.
10. a kind of intelligent electric energy meter inspection system is it is characterised in that include the intelligence as described in claim 1 to 9 any one
Electric energy table look up device and intelligent terminal；The wired or wireless connection with described intelligent terminal of described intelligent electric energy meter check device；
Described intelligent terminal is used for sending meter reading instruction by described intelligent electric energy meter check device to intelligent electric energy meter；
Described intelligent electric energy meter check device is used for receiving the infrared letter corresponding with described meter reading instruction of intelligent electric energy meter transmission
Cease, and described infrared information is converted into the signal of telecommunication and send to described intelligent terminal；
Described intelligent terminal is additionally operable to the described signal of telecommunication receiving is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620849591.4U CN205920141U (en) | 2016-08-08 | 2016-08-08 | Intelligent ammeter inspection device and checkout system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620849591.4U CN205920141U (en) | 2016-08-08 | 2016-08-08 | Intelligent ammeter inspection device and checkout system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205920141U true CN205920141U (en) | 2017-02-01 |
Family
ID=57871271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620849591.4U Expired - Fee Related CN205920141U (en) | 2016-08-08 | 2016-08-08 | Intelligent ammeter inspection device and checkout system |
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| Country | Link |
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| CN (1) | CN205920141U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199111A (en) * | 2016-08-08 | 2016-12-07 | 国网河北省电力公司衡水供电分公司 | Intelligent electric energy meter checks device and the system of inspection |
| CN106781426A (en) * | 2017-03-10 | 2017-05-31 | 江苏中乂电气有限公司 | A kind of infrared copy meter collector and its method of work |
-
2016
- 2016-08-08 CN CN201620849591.4U patent/CN205920141U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199111A (en) * | 2016-08-08 | 2016-12-07 | 国网河北省电力公司衡水供电分公司 | Intelligent electric energy meter checks device and the system of inspection |
| CN106781426A (en) * | 2017-03-10 | 2017-05-31 | 江苏中乂电气有限公司 | A kind of infrared copy meter collector and its method of work |
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Granted publication date: 20170201 Termination date: 20170808 |