CN105699934B - A kind of anti-radio near-field thermal radiation performance testing device of electric energy meter - Google Patents
A kind of anti-radio near-field thermal radiation performance testing device of electric energy meter Download PDFInfo
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- CN105699934B CN105699934B CN201610202711.6A CN201610202711A CN105699934B CN 105699934 B CN105699934 B CN 105699934B CN 201610202711 A CN201610202711 A CN 201610202711A CN 105699934 B CN105699934 B CN 105699934B
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- 230000005855 radiation Effects 0.000 title claims abstract description 33
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000002955 isolation Methods 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000012795 verification Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000002452 interceptive effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- Testing Electric Properties And Detecting Electric Faults (AREA)
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Abstract
The present invention provides a kind of anti-radio near-field thermal radiation performance testing device of electric energy meter, including sequentially connected input unit, microcontroller, switching circuit, air interference device and antenna；Switching circuit includes multiple first switch circuits；Air interference device includes multiple frequency cells；First switch circuit, frequency cells and preset multiple frequency ranges correspond；Input unit sends control instruction to microcontroller；Control instruction includes the information of the frequency range of user's selection；Microcontroller determines the frequency range of user's selection by parsing control instruction, and controls corresponding first switch closing of circuit；Start corresponding frequency cells when first switch closing of circuit；Frequency cells are used to generate the radio signal of corresponding frequency range；The radio signal that satellite transmitted frequencies unit generates.The present invention can test electric energy meter near field resisting radiation interference ability, and the reliability of electric energy meter is verified by checking measuring accuracy of electric energy meter and reset case.
Description
Technical field
The present invention relates to technical field of measurement and test, and in particular, to a kind of anti-radio near-field thermal radiation performance test of electric energy meter
Device.
Background technology
In recent years, the development of intelligent grid increasingly improves the performance requirement of electric energy meter, for example, in addition to having traditional electric energy
Other than the function of measuring of table basic electricity, in order to adapt to the use of intelligent grid and new energy, it is also necessary to have two-way a variety of
The intelligence such as rate function of measuring, user terminal control function, the bidirectional data communication function of plurality of data transmission modes, anti-stealing electricity function
The function of energyization.
However, electric energy meter is frequently subjected to the various radio signals such as mobile phone signal, WiFi signal in day-to-day operation environment
Interference, and lead to exceptional reset or function of measuring failure.
Invention content
The main purpose of the embodiment of the present invention is to provide a kind of anti-radio near-field thermal radiation performance testing device of electric energy meter,
To test the ability of electric energy meter near field resisting radiation interference, electric energy is verified by checking measuring accuracy of electric energy meter and reset case
The reliability of table.
To achieve the goals above, the embodiment of the present invention provides a kind of anti-radio near-field thermal radiation performance test dress of electric energy meter
It sets, including sequentially connected input unit, microcontroller, switching circuit, air interference device and antenna；The switching circuit includes
One or more first switch circuits；The air interference device includes one or more frequency cells；One or more of
One switching circuit, one or more of frequency cells and preset one or more frequency ranges correspond；It is described defeated
Enter unit and sends control instruction to the microcontroller；Wherein, the control instruction includes the information of the frequency range of user's selection；
The microcontroller determines the frequency range of user's selection by parsing the control instruction, and controls user's selection
First switch closing of circuit corresponding to frequency range；The corresponding frequency cells of first switch circuit connection, described the
Start corresponding frequency cells when one switching circuit is closed；The frequency cells are used to generate the nothing of corresponding frequency range
Line electric signal；The antenna is used to emit the radio signal that the frequency cells generate.
Further include a power circuit, the input terminal incoming transport electricity of power circuit, output end in wherein a kind of embodiment
Microcontroller is connected, for providing operating voltage for microcontroller.
In wherein a kind of embodiment, power circuit includes the first power circuit and second source circuit, second source
The input terminal incoming transport electricity of circuit, output end connects the first power circuit, for alternating current to be converted to the straight of constant voltage
Galvanic electricity；The input terminal of first power circuit connects second source circuit, and output end connects microcontroller, is used for second source circuit
The rated operational voltage that the voltage of the direct current of output is converted to microcontroller is used for microcontroller.
In wherein a kind of embodiment, switching circuit further includes a second switch circuit, the input terminal of second switch circuit
It is separately connected second source circuit and microcontroller, output end connects air interference device, is used for the straight of second source circuit output
Galvanic electricity is supplied to air interference device；Microcontroller is additionally operable to control second switch circuit and disconnects and be closed.
Further include an isolation circuit in wherein a kind of embodiment, isolation circuit is separately connected power circuit, switching circuit
With microcontroller, interfered for isolation signals.
In wherein a kind of embodiment, isolation circuit includes the first isolation circuit and the second isolation circuit, the first isolation
Circuit is separately connected microcontroller, first switch circuit, is interfered for isolation signals；Second isolation circuit be separately connected microcontroller,
Second source circuit, second switch circuit are interfered for isolation signals.
In wherein a kind of embodiment, preset one or more frequency ranges include：400MHz~470MHz,
470MHz~510MHz, 900MHz, 1800MHz and 2.4GHz.
In wherein a kind of embodiment, the frequency cells are equipped with multiple and different power gears, and the frequency cells exist
The watt level of different power gears generated radio signal when working is different；Also include user in the control instruction
The power gear of selection；The microcontroller determines the power gear of user's selection by parsing the control instruction, and controls
Make the power gear that the frequency cells work in user's selection.
In wherein a kind of embodiment, antenna is one or more, and is corresponded with one or more frequency cells, often
A antenna connects the frequency cells corresponding to it.
In wherein a kind of embodiment, input unit includes one or more of the following items：Keyboard；Button switch；
Data transmission interface.
Further include a host computer in wherein a kind of embodiment, the host computer connects the data transmission interface, is used for
Frequency range is selected for user, the control instruction is generated according to the frequency range of user's selection, and the control instruction is sent out
Give the data transmission interface.
Further include the LCD display of a connection microcontroller in wherein a kind of embodiment.
In wherein a kind of embodiment, the first isolation circuit is photoelectric coupling circuit with the second isolation circuit.
In wherein a kind of embodiment, first switch circuit is relay switching circuit with second switch circuit.
The radio signal that the present invention can generate specific frequency by controlling wireless device is applied to electric energy to simulate the external world
The interference environment of table, and then electric energy meter near field resisting radiation interference ability is tested, and by inspection measuring accuracy of electric energy meter and again
Position situation verifies electric energy meter reliability.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, embodiment will be described below
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the knot for the anti-radio near-field thermal radiation performance testing device of electric energy meter that one of which embodiment of the present invention provides
Structure block diagram；
Fig. 2 is the knot for the anti-radio near-field thermal radiation performance testing device of electric energy meter that one of which embodiment of the present invention provides
Structure block diagram；
Fig. 3 is the knot for the anti-radio near-field thermal radiation performance testing device of electric energy meter that one of which embodiment of the present invention provides
Structure block diagram.
Fig. 4 is the knot for the anti-radio near-field thermal radiation performance testing device of electric energy meter that one of which embodiment of the present invention provides
Structure block diagram.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In view of existing electric energy meter running environment, there are serious radio interferences, and an embodiment of the present invention provides a kind of electricity
The energy anti-radio near-field thermal radiation performance testing device of table passes through to test electric energy meter near field resisting radiation interference ability and checks electricity
The energy table accuracy of measuring and reset case verify electric energy meter reliability.Below in conjunction with attached drawing, the present invention is described in detail.
The present invention provides a kind of anti-radio near-field thermal radiation performance testing device of electric energy meter, including microcontroller 2, input unit
12, switching circuit 8, air interference device 9 and antenna 10.
As shown in Figure 1, input unit 12, microcontroller 2, switching circuit 8, air interference device 9, antenna 10 are sequentially connected；It opens
Powered-down road 8 includes one or more first switch circuits 81；Air interference device 9 includes one or more frequency cells 90.
Input unit 12 is used to send control instruction to microcontroller 2.Wherein, control instruction includes the frequency model of user's selection
The information enclosed, the frequency range refer to the frequency size for the radio signal for it is expected to generate.
Optionally, input unit 12 can include but is not limited to keyboard, button switch, data transmission interface etc..If including
Keyboard, then keyboard for user select frequency range, generate control command simultaneously be transmitted to microcontroller 2；If including button switch, press
Button switch selects frequency range for user, generates control command and is transmitted to microcontroller 2；If including data transmission interface, count
According to coffret for receiving control command and being transmitted to microcontroller 2.Optionally, data transmission interface can be that wireless transmission connects
Mouth (such as Bluetooth chip, WIFI chips), can also be wire transmission interface (such as USB interface), and connect microcontroller 2
RS232 serial ports.
Several radio interference scenarios that the present invention can be often subject to according to electric energy meter in running environment, provide one kind
Or multi-frequency range, such as can be respectively 400MHz~470MHz, 470MHz~510MHz, 900MHz, 1800MHz with
2.4GHz, above-mentioned five frequency ranges cover the frequency range for the interference signal being subjected to when electric energy meter operation.
In the present invention, first switch circuit 81, frequency cells 90 and frequency range are one-to-one relationship.
Microcontroller 2 determines the frequency range of user's selection by parsing control instruction, and controls the frequency of user selection
First switch circuit 81 corresponding to range is closed.Optionally, microcontroller 2 uses NEC0527 as master controller, main frequency
Rate is 16mHz, baud rate 195200bps.
First switch circuit 81 connects the frequency cells 90 corresponding to it, for starting or closing the frequency list corresponding to it
Member 90.
Frequency cells 90 are used to generate the radio signal of the frequency range corresponding to it.When it is implemented, each frequency
The radio transmitting module that can generate corresponding frequencies range may be used in unit.
When it is implemented, all frequency cells 90 support independent switch, it is corresponding when first switch circuit 81 is closed
Frequency cells 90 generate the radio signal of corresponding frequency range.In view of the watt level situation of radio signal,
When it is implemented, can frequency cells 90 be arranged with multiple power gear, frequency cells are in different power gear work when institutes
The watt level of the radio signal of transmitting is different, for example, normal and two kinds of power gears of the limit are arranged to frequency cells 90,
In, what the power ratio of the radio signal that frequency cells are emitted in normal power gear was emitted in power limit gear
The power of radio signal wants small.Tester can select suitable power gear according to actual demand.
When it is implemented, including the information for the power gear that user selects by control instruction, and it is transmitted to microcontroller 2.It is single
Piece machine determines the power gear of user's selection by parsing control instruction, and controls the power that frequency cells work in user's selection
Gear.
In wherein a kind of embodiment, antenna 10 be one or more, antenna 10 and with frequency cells 90 be correspond
Relationship, each antenna 10 connect its corresponding to frequency cells 90, for tranmitting frequency unit 90 generate radio signal.
As shown in Fig. 2, in wherein a kind of embodiment, the invention also includes a power circuit 4, the inputs of power circuit 4
It terminates into alternating current, output end connects microcontroller 2, for providing operating voltage for microcontroller 2.
Optionally, power circuit 4 includes the first power circuit 41 and second source circuit 42.Second source circuit 42
Input terminal incoming transport electricity, output end connect the first power circuit 41, the direct current for alternating current being converted to constant voltage；
The input terminal connection second source circuit 42 of first power circuit 41, output end connects microcontroller 2, is used for second source circuit
The rated operational voltage that the voltage of the direct current of 42 outputs is converted to microcontroller 2 is used for microcontroller 2.
When it is implemented, if microcontroller 2 uses NEC0527, second source circuit 42 that 220V alternating currents are converted to 12V's
12V DC electricity is then converted to 5V direct currents as the working power of microcontroller 2 by direct current, the first power circuit 41.
When it is implemented, switching circuit 8 can also include a second switch circuit 82, the input terminal of second switch circuit 82
It is separately connected second source circuit 42 and microcontroller 2, output end connects air interference device 9, for second source circuit 42 is defeated
The direct current gone out is supplied to air interference device 9.Microcontroller 2 is additionally operable to control second switch circuit 82 and disconnects and be closed.When second
When switching circuit 82 is closed, air interference device 9 is started to work.
Optionally, relay switching circuit may be used in first switch circuit 81 and second switch circuit 82.
As shown in Fig. 2, in wherein a kind of embodiment, the invention also includes an isolation circuit 6, the inputs of isolation circuit 6
End connection second source circuit 42 and microcontroller 2, output end connecting valve circuit 8, in second source circuit 42, microcontroller
Signal isolation is realized between 2 and switching circuit 8, avoids interfering with each other.
When it is implemented, isolation circuit 6 includes the first isolation circuit 61 and the second isolation circuit 62；First isolation circuit
61 input terminal connects microcontroller 2, and output end connects first switch circuit 81, in microcontroller 2 and first switch circuit 81
Between realize signal isolation, avoid interfering with each other；The input terminal connection second source circuit 42 and monolithic of second isolation circuit 62
Machine 2, output end connect second switch circuit 82, between second source circuit 42, microcontroller 2 and second switch circuit 82
It realizes signal isolation, avoids interfering with each other.
Optionally, photoelectric coupling circuit may be used in the first isolation circuit 61 and the second isolation circuit 62.
When it is implemented, user can also pass through other than it can select frequency range by keyboard or button switch
Host computer (such as can be powermeter verification instrumeter or computer) is transferred to select frequency range by data transmission interface
Microcontroller 2.
As shown in figure 3, the present invention can also include powermeter verification instrumeter 13, powermeter verification instrumeter 13 connects data transmission and connects
Mouthful, for selecting frequency range for tester and accordingly generating control command, then sends control command and connect to data transmission
Mouthful, microcontroller 2 is transmitted to by data transmission interface.
As shown in figure 4, the present invention can also include computer 14, computer 14 connects data transmission interface, for for surveying
Examination personnel selection frequency range simultaneously accordingly generates control command, then sends control command to data transmission interface, is passed by data
Defeated interface is transmitted to microcontroller 2.
As shown in Figure 3 or Figure 4, the invention also includes the LCD displays of a connection microcontroller 2.
In a preferred embodiment, multiple electric energy meters can be arranged according to actual demand in the present invention, wherein tested electric energy
Table is identical with the control model specification of electric energy meter, and the anti-radio near-field thermal radiation performance testing device of electric energy meter is set to tested electric energy
Table is nearby and far from control electric energy meter.The specific work process of the present invention is as follows：
Powermeter verification instrumeter 13 or computer 14 by data transmission interface to microcontroller 2 send comprising a frequency range with
And one power gear control instruction, operating personnel can also directly be sent to microcontroller 2 above-mentioned by keyboard or button switch
Control instruction.Powermeter verification instrumeter 13 or computer 14 may be arranged as according to sequence from small to large successively switching frequency model
It encloses.LCD display 11 shows frequency range and power gear selected by user.Microcontroller 2 is closed second according to control instruction and opens
Powered-down road 82, air interference device 9, which is powered, enters working condition；Microcontroller 2 is closed corresponding first then according to control instruction and opens
Powered-down road 81 starts the radio signal that corresponding frequency cells 90 generate corresponding power；Antenna 10 emits radio interference device 9
The radio signal of generation.Operating personnel can determine test by comparing tested electric energy meter with the metric results for compareing electric energy meter
The anti-near-field thermal radiation interference performance of electric energy meter.
In conclusion the anti-radio near-field thermal radiation performance testing device of electric energy meter provided in an embodiment of the present invention can pass through key
The radio-interference signals that disk or button switch, powermeter verification instrumeter or computer control wireless device generate specific frequency carry out mould
The signal of quasi- different frequency, and then electric energy meter near field resisting radiation interference ability is tested, and by checking measuring accuracy of electric energy meter
And reset case verifies electric energy meter reliability.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
Describe in detail it is bright, it should be understood that the above is only a specific embodiment of the present invention, the guarantor being not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection domain of invention.
Claims (13)
1. a kind of anti-radio near-field thermal radiation performance testing device of electric energy meter, which is characterized in that single including sequentially connected input
Member, microcontroller, switching circuit, air interference device and antenna；
The switching circuit includes one or more first switch circuits；
The air interference device includes one or more frequency cells；
One or more of first switch circuits, one or more of frequency cells and preset one or more frequencies
Range corresponds；
The input unit sends control instruction to the microcontroller；Wherein, the control instruction includes the frequency of user's selection
The information of range；
The microcontroller determines the frequency range of user's selection by parsing the control instruction, and controls user's choosing
First switch closing of circuit corresponding to the frequency range selected；
The corresponding frequency cells of first switch circuit connection, when first switch closing of circuit, start corresponding frequency
Rate unit；
The frequency cells are used to generate the radio signal of corresponding frequency range；
The antenna is used to emit the radio signal that the frequency cells generate；
The frequency cells are equipped with multiple and different power gears, and the frequency cells are produced in different power gear work
The watt level of raw radio signal is different；
Also include the information of the power gear of user's selection in the control instruction；
The microcontroller determines the power gear of user's selection by parsing the control instruction, and controls the frequency list
Member works in the power gear of user's selection.
2. the anti-radio near-field thermal radiation performance testing device of electric energy meter according to claim 1, which is characterized in that further include
One power circuit, the input terminal incoming transport electricity of the power circuit, output end connects the microcontroller, for being the monolithic
Machine provides operating voltage.
3. the anti-radio near-field thermal radiation performance testing device of electric energy meter according to claim 2, which is characterized in that the electricity
Source circuit includes the first power circuit and second source circuit；
The input terminal incoming transport electricity of the second source circuit, output end connects first power circuit, for exchange
Electricity is converted to the direct current of constant voltage；
The input terminal of first power circuit connects the second source circuit, and output end connects the microcontroller, and being used for will
The rated operational voltage that the voltage of the direct current of the second source circuit output is converted to the microcontroller supplies the microcontroller
It uses.
4. the anti-radio near-field thermal radiation performance testing device of electric energy meter according to claim 3, which is characterized in that described to open
Powered-down road further includes a second switch circuit,
The input terminal of the second switch circuit is separately connected the second source circuit and the microcontroller, and output end connects institute
Air interference device is stated, for the direct current of the second source circuit output to be supplied to the air interference device；
The microcontroller is additionally operable to control the second switch circuit disconnection and be closed.
5. the anti-radio near-field thermal radiation performance testing device of electric energy meter according to claim 4, which is characterized in that further include
One isolation circuit, the isolation circuit is separately connected the power circuit, the switching circuit and the microcontroller, for being isolated
Signal interference.
6. the anti-radio near-field thermal radiation performance testing device of electric energy meter according to claim 5, which is characterized in that it is described every
Include the first isolation circuit and the second isolation circuit from circuit,
First isolation circuit is separately connected the microcontroller, the first switch circuit, is interfered for isolation signals；
Second isolation circuit is separately connected the microcontroller, the second source circuit, the second switch circuit, is used for
Isolation signals are interfered.
7. the anti-radio near-field thermal radiation performance testing device of electric energy meter according to claim 1, which is characterized in that described pre-
If one or more frequency ranges include：400MHz~470MHz, 470MHz~510MHz, 900MHz, 1800MHz with
2.4GHz。
8. the anti-radio near-field thermal radiation performance testing device of electric energy meter according to claim 1, which is characterized in that the day
Line is one or more, and is corresponded with one or more of frequency cells, and each antenna connects the frequency corresponding to it
Unit.
9. according to any anti-radio near-field thermal radiation performance testing device of electric energy meter of claim 1~8, feature exists
In the input unit includes one or more of the following items：
Keyboard；
Button switch；
Data transmission interface.
10. the anti-radio near-field thermal radiation performance testing device of electric energy meter according to claim 9, which is characterized in that also wrap
Include host computer；
The host computer connects the data transmission interface, for selecting frequency range for user, the frequency selected according to user
Range generates the control instruction, and the control instruction is sent to the data transmission interface.
11. the anti-radio near-field thermal radiation performance testing device of electric energy meter according to claim 6, which is characterized in that also wrap
Include the LCD display of the connection microcontroller.
12. the anti-radio near-field thermal radiation performance testing device of electric energy meter according to claim 6, which is characterized in that described
First isolation circuit is photoelectric coupling circuit with second isolation circuit.
13. the anti-radio near-field thermal radiation performance testing device of electric energy meter according to claim 4, which is characterized in that described
First switch circuit is relay switching circuit with the second switch circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202711.6A CN105699934B (en) | 2016-04-01 | 2016-04-01 | A kind of anti-radio near-field thermal radiation performance testing device of electric energy meter |
| CN201620271296.5U CN205450253U (en) | 2016-04-01 | 2016-04-01 | Anti radio near field of electric energy meter radiation capability test device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202711.6A CN105699934B (en) | 2016-04-01 | 2016-04-01 | A kind of anti-radio near-field thermal radiation performance testing device of electric energy meter |
| CN201620271296.5U CN205450253U (en) | 2016-04-01 | 2016-04-01 | Anti radio near field of electric energy meter radiation capability test device |
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| Publication Number | Publication Date |
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| CN105699934A CN105699934A (en) | 2016-06-22 |
| CN105699934B true CN105699934B (en) | 2018-09-07 |
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| CN201620271296.5U Active CN205450253U (en) | 2016-04-01 | 2016-04-01 | Anti radio near field of electric energy meter radiation capability test device |
| CN201610202711.6A Active CN105699934B (en) | 2016-04-01 | 2016-04-01 | A kind of anti-radio near-field thermal radiation performance testing device of electric energy meter |
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| CN201620271296.5U Active CN205450253U (en) | 2016-04-01 | 2016-04-01 | Anti radio near field of electric energy meter radiation capability test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106443555B (en) * | 2016-08-30 | 2023-08-04 | 华立科技股份有限公司 | Check table body with radio interference intensity detection |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776740A (en) * | 2010-01-19 | 2010-07-14 | 云南电网公司 | Electric energy metering automation simulation laboratory |
| CN103346846A (en) * | 2013-06-21 | 2013-10-09 | 国家电网公司 | Communication channel stimulation system of electricity consumption information collection system |
| CN104237590A (en) * | 2014-09-26 | 2014-12-24 | 国家电网公司 | Active electricity larceny prevention device and method aiming at magnetic electricity larceny compensation metering |
| CN105005016A (en) * | 2015-07-06 | 2015-10-28 | 浙江涵普电力科技有限公司 | Field verification system and field verification method for three-phase electric energy meter |
| CN105022020A (en) * | 2015-07-02 | 2015-11-04 | 国网山东省电力公司电力科学研究院 | RF electromagnetic field and radio immunity test system and method of electric energy meter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6577245B2 (en) * | 2001-02-28 | 2003-06-10 | Scott H. Hammond | Wireless isolation relay for remote metering |
-
2016
- 2016-04-01 CN CN201620271296.5U patent/CN205450253U/en active Active
- 2016-04-01 CN CN201610202711.6A patent/CN105699934B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776740A (en) * | 2010-01-19 | 2010-07-14 | 云南电网公司 | Electric energy metering automation simulation laboratory |
| CN103346846A (en) * | 2013-06-21 | 2013-10-09 | 国家电网公司 | Communication channel stimulation system of electricity consumption information collection system |
| CN104237590A (en) * | 2014-09-26 | 2014-12-24 | 国家电网公司 | Active electricity larceny prevention device and method aiming at magnetic electricity larceny compensation metering |
| CN105022020A (en) * | 2015-07-02 | 2015-11-04 | 国网山东省电力公司电力科学研究院 | RF electromagnetic field and radio immunity test system and method of electric energy meter |
| CN105005016A (en) * | 2015-07-06 | 2015-10-28 | 浙江涵普电力科技有限公司 | Field verification system and field verification method for three-phase electric energy meter |
Also Published As
| Publication number | Publication date |
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| CN205450253U (en) | 2016-08-10 |
| CN105699934A (en) | 2016-06-22 |
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