CN109669153A - A kind of direct current energy meter on-site detecting device based on electric automobile charging pile - Google Patents
A kind of direct current energy meter on-site detecting device based on electric automobile charging pile Download PDFInfo
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- CN109669153A CN109669153A CN201811239749.6A CN201811239749A CN109669153A CN 109669153 A CN109669153 A CN 109669153A CN 201811239749 A CN201811239749 A CN 201811239749A CN 109669153 A CN109669153 A CN 109669153A
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- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 34
- 238000004891 communication Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000005070 sampling Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 238000004886 process control Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000011161 development Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification 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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Abstract
The present invention provides a kind of direct current energy meter on-site detecting device based on electric automobile charging pile, the electric energy meter field detection device includes control unit, voltage signal generator, current signal generator, voltage power amplifier source, current amplification source, voltage measurement unit, current measuring unit, power measurement unit, P/F converter, display unit, storage unit, key-press input unit and communication unit；Control unit is ordered to voltage signal generator and the output of current signal generator issue source, generate digital signal input voltage power amplifier source and current amplification source and output voltage and electric current, voltage measurement unit and current measuring unit calculate power to voltage, current measurement and input power metering units respectively, then are converted into output of pulse signal by P/F converter.The present invention provides a kind of direct current energy meter on-site detecting device based on electric automobile charging pile, and carrying out detection check to charging pile direct-current electric energy in time ensures accuracy.
Description
Technical field
The invention belongs to technical field of electric power detection, in particular to a kind of direct current energy meter based on electric automobile charging pile
On-site detecting device.
Background technique
As environmental pollution is increasingly severe, the environmental consciousness of people is also gradually reinforced, therefore the electricity of zero emission, zero pollution
Electrical automobile gradually comes into the battlefield of automobile consumption, has obtained the demand of people liked with market.It is released according to national Ministry of Industry and Information
" automobile and new-energy automobile industrial development planning ", arrive the year two thousand twenty, China's new-energy automobile ownership reaches 5,000,000, with
Hybrid vehicle is that the energy-saving automobile of representative reaches 15,000,000 or more.
Novel electric vehicle is motor trend, electric automobile charging station measuring equipment, as Development of Electric Vehicles
Important operation ensures, if establish electrical energy measurement unified standard, be the key that be related to electricity clearing can be fair and just.It is existing
In technology, AC energy meter relative maturity, and the metering that direct current energy meter is applied to electric automobile charging pile is in the elementary step.
The calibrating installation of direct current energy meter can not carry out on-site test at present, can not carry out effective accurate inspection to direct current energy meter in time
It surveys, by a degree of development process for influencing electric car.Therefore, fixed using effective direct current energy meter on-site detecting device
Phase carries out detection check to charging pile direct-current electric energy in time, it is ensured that the accuracy of metering provides for electric car charging link
More fair guarantee.
Summary of the invention
The present invention provides a kind of direct current energy meter on-site detecting device based on electric automobile charging pile, in time to charging pile
Direct current energy meter carries out detection check, it is ensured that the accuracy of metering provides more fair guarantee for electric car charging link.
The present invention is specially a kind of direct current energy meter on-site detecting device based on electric automobile charging pile, the direct current
Energy table on-site detecting device includes control unit, voltage signal generator, current signal generator, voltage power amplifier source, electric current function
Put source, voltage measurement unit, current measuring unit, power measurement unit, P/F converter, display unit, storage unit, key
Input unit and communication unit, described control unit respectively with the voltage signal generator, the current signal generator, institute
Power measurement unit, the display unit, the storage unit, the key-press input unit is stated to be connected with the communication unit
It connects, the voltage signal generator is connected with voltage power amplifier source, the current signal generator and the current amplification
Source is connected, and voltage power amplifier source is connected with the voltage measurement unit, the current amplification source and the current measurement
Unit is connected, and the power measurement unit turns with the voltage measurement unit, the current measuring unit and the P/F respectively
Parallel operation is connected；Described control unit is ordered to the voltage signal generator and current signal generator issue source output
It enables, the source output order of input is converted into digital signal respectively by the voltage signal generator and the current signal generator
Input voltage power amplifier source and the current amplification source, voltage power amplifier source output voltage to the voltage measurement unit,
The current amplification source outputs current to the current measuring unit, the voltage measurement unit and the current measuring unit point
Other that the power measurement unit is measured and inputted to voltage, electric current, the power measurement unit calculates power and passes through
The P/F converter is converted into output of pulse signal.
Described control unit uses microprocessor, detection process control and data processing is completed, with the key-press input list
Human-computer interaction is realized in the first and described display unit cooperation, the storage for completing data information is cooperated with the storage unit, and pass through
The display unit displays data, and controls the communication unit and completes telecommunication.
The voltage signal generator includes the first digital signal processor and the first D/A converter, first number
Signal processor exports order output digit signals according to the source that described control unit issues, then through first D/A converter
It is converted into analog voltage signal output.
The current signal generator includes the second digital signal processor and the second D/A converter, second number
Signal processor exports order output digit signals according to the source that described control unit issues, then through second D/A converter
It is converted into analog current signal output.
Voltage power amplifier source carries out power amplification to input signal, exports steady dc voltage, the voltage power amplifier
Source also includes the first sampling feedback module, acquires voltage swing and the direction of output, feeds back to control circuit and control is adjusted,
Ensure that output voltage values are consistent with setting value.
The current amplification source carries out power amplification to input signal, exports stable DC stream, the current amplification
Source also includes the second sampling feedback module, acquires size of current and the direction of output, feeds back to control circuit and control is adjusted,
Ensure that output current value is consistent with setting value.
The voltage measurement unit carries out voltage measurement using voltage sensor, and the current measuring unit uses Zero flux
DC current transformer carries out current measurement；The voltage and current value that the voltage measurement unit and the current measuring unit measure
On the one hand voltage power amplifier source and the current amplification source are inputted respectively, be used for voltage power amplifier source and the current amplification
The profound and negative feedbck that source exports magnitude is adjusted, and on the other hand inputs the power measurement unit.
The voltage signal of input and current signal are converted digital signal by the power measurement unit, then carries out at multiplication
Reason obtains performance number and inputs the P/F converter, and the performance number of input is converted into output of pulse signal by the P/F converter,
The power measurement unit and the P/F converter can be combined into calibration power table.
The direct current energy meter on-site detecting device passes through the voltage measurement unit, current measuring unit, described
P/F converter can export DC voltage, DC current and high-frequency pulse signal.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the direct current energy meter on-site detecting device based on electric automobile charging pile of the present invention
Figure.
Specific embodiment
With reference to the accompanying drawing to a kind of direct current energy meter on-site detecting device based on electric automobile charging pile of the present invention
Specific embodiment elaborates.
As shown in Figure 1, direct current energy meter on-site detecting device of the invention include control unit, voltage signal generator,
Current signal generator, voltage power amplifier source, current amplification source, voltage measurement unit, current measuring unit, power measurement unit,
P/F converter, display unit, storage unit, key-press input unit and communication unit, described control unit respectively with the voltage
It is signal generator, the current signal generator, the power measurement unit, the display unit, the storage unit, described
Key-press input unit is connected with the communication unit, and the voltage signal generator is connected with voltage power amplifier source, institute
It states current signal generator to be connected with the current amplification source, voltage power amplifier source is connected with the voltage measurement unit
Connect, the current amplification source is connected with the current measuring unit, the power measurement unit respectively with the voltage measurement
Unit, the current measuring unit are connected with the P/F converter；Described control unit to the voltage signal generator and
The current signal generator issue source output order, the voltage signal generator and the current signal generator respectively will
The source output order of input is converted into digital signal input voltage power amplifier source and the current amplification source, the voltage power amplifier
Source output voltage to the voltage measurement unit, the current amplification source outputs current to the current measuring unit, the electricity
Pressure measuring unit and the current measuring unit respectively measure voltage, electric current and input the power measurement unit, institute
Power measurement unit is stated to calculate power and be converted into output of pulse signal by the P/F converter.
Described control unit uses microprocessor, detection process control and data processing is completed, with the key-press input list
Human-computer interaction is realized in the first and described display unit cooperation, the storage for completing data information is cooperated with the storage unit, and pass through
The display unit displays data, and controls the communication unit and completes telecommunication.
The voltage signal generator includes the first digital signal processor and the first D/A converter, first number
Signal processor exports order output digit signals according to the source that described control unit issues, then through first D/A converter
It is converted into analog voltage signal output.
The current signal generator includes the second digital signal processor and the second D/A converter, second number
Signal processor exports order output digit signals according to the source that described control unit issues, then through second D/A converter
It is converted into analog current signal output.
Voltage power amplifier source carries out power amplification to input signal, exports steady dc voltage, the voltage power amplifier
Source also includes the first sampling feedback module, acquires voltage swing and the direction of output, feeds back to control circuit and control is adjusted,
Ensure that output voltage values are consistent with setting value.
The current amplification source carries out power amplification to input signal, exports stable DC stream, the current amplification
Source also includes the second sampling feedback module, acquires size of current and the direction of output, feeds back to control circuit and control is adjusted,
Ensure that output current value is consistent with setting value.
The voltage measurement unit carries out voltage measurement using voltage sensor, and the current measuring unit uses Zero flux
DC current transformer carries out current measurement；The voltage and current value that the voltage measurement unit and the current measuring unit measure
On the one hand voltage power amplifier source and the current amplification source are inputted respectively, be used for voltage power amplifier source and the current amplification
The profound and negative feedbck that source exports magnitude is adjusted, and on the other hand inputs the power measurement unit.
The voltage signal of input and current signal are converted digital signal by the power measurement unit, then carries out at multiplication
Reason obtains performance number and inputs the P/F converter, and the performance number of input is converted into output of pulse signal by the P/F converter,
The power measurement unit and the P/F converter can be combined into calibration power table.
The direct current energy meter on-site detecting device passes through the voltage measurement unit, current measuring unit, described
P/F converter can export DC voltage, DC current and high-frequency pulse signal.
Finally it should be noted that only illustrating technical solution of the present invention rather than its limitations in conjunction with above-described embodiment.Institute
The those of ordinary skill in category field is it is to be understood that those skilled in the art can repair a specific embodiment of the invention
Change or equivalent replacement, but these modifications or change are being applied among pending claims.
Claims (9)
1. a kind of direct current energy meter on-site detecting device based on electric automobile charging pile, which is characterized in that the direct current energy
Table on-site detecting device includes control unit, voltage signal generator, current signal generator, voltage power amplifier source, current amplification
Source, voltage measurement unit, current measuring unit, power measurement unit, P/F converter, display unit, storage unit, key are defeated
Enter unit and communication unit, described control unit respectively with the voltage signal generator, current signal generator, described
Power measurement unit, the display unit, the storage unit, the key-press input unit are connected with the communication unit,
The voltage signal generator is connected with voltage power amplifier source, the current signal generator and current amplification source phase
Connection, voltage power amplifier source are connected with the voltage measurement unit, the current amplification source and the current measuring unit
Be connected, the power measurement unit respectively with the voltage measurement unit, the current measuring unit and the P/F converter
It is connected；Described control unit is ordered to the voltage signal generator and current signal generator issue source output, institute
It states voltage signal generator and the current signal generator and the source output order of input is converted into digital signal input respectively
Voltage power amplifier source and the current amplification source, voltage power amplifier source output voltage are described to the voltage measurement unit
Current amplification source outputs current to the current measuring unit, and the voltage measurement unit and the current measuring unit are right respectively
Voltage, electric current measure and input the power measurement unit, and the power measurement unit calculates power and by described
P/F converter is converted into output of pulse signal.
2. a kind of direct current energy meter on-site detecting device based on electric automobile charging pile according to claim 1, special
Sign is that described control unit uses microprocessor, detection process control and data processing is completed, with the key-press input unit
Cooperate with the display unit and realize human-computer interaction, the storage for completing data information is cooperated with the storage unit, and pass through institute
It states display unit to display data, controls the communication unit and complete telecommunication.
3. a kind of direct current energy meter on-site detecting device based on electric automobile charging pile according to claim 1, special
Sign is that the voltage signal generator includes the first digital signal processor and the first D/A converter, the first number letter
Number processor exports order output digit signals according to the source that described control unit issues, then turns through first D/A converter
Change analog voltage signal output into.
4. a kind of direct current energy meter on-site detecting device based on electric automobile charging pile according to claim 1, special
Sign is that the current signal generator includes the second digital signal processor and the second D/A converter, the second number letter
Number processor exports order output digit signals according to the source that described control unit issues, then turns through second D/A converter
Change analog current signal output into.
5. a kind of direct current energy meter on-site detecting device based on electric automobile charging pile according to claim 1, special
Sign is that voltage power amplifier source carries out power amplification to input signal, exports steady dc voltage, voltage power amplifier source
Include also the first sampling feedback module, acquires voltage swing and the direction of output, feed back to control circuit and control is adjusted, really
It is consistent with setting value to protect output voltage values.
6. a kind of direct current energy meter on-site detecting device based on electric automobile charging pile according to claim 1, special
Sign is that the current amplification source carries out power amplification to input signal, exports stable DC stream, the current amplification source
Include also the second sampling feedback module, acquires size of current and the direction of output, feed back to control circuit and control is adjusted, really
It is consistent with setting value to protect output current value.
7. a kind of direct current energy meter on-site detecting device based on electric automobile charging pile according to claim 1, special
Sign is that the voltage measurement unit carries out voltage measurement using voltage sensor, and the current measuring unit uses Zero flux
DC current transformer carries out current measurement；The voltage and current value that the voltage measurement unit and the current measuring unit measure
On the one hand voltage power amplifier source and the current amplification source are inputted respectively, be used for voltage power amplifier source and the current amplification
The profound and negative feedbck that source exports magnitude is adjusted, and on the other hand inputs the power measurement unit.
8. a kind of direct current energy meter on-site detecting device based on electric automobile charging pile according to claim 1, special
Sign is that the voltage signal of input and current signal are converted digital signal by the power measurement unit, then carries out at multiplication
Reason obtains performance number and inputs the P/F converter, and the performance number of input is converted into output of pulse signal by the P/F converter,
The power measurement unit and the P/F converter can be combined into calibration power table.
9. a kind of direct current energy meter on-site detecting device based on electric automobile charging pile according to claim 1, special
Sign is that the direct current energy meter on-site detecting device passes through the voltage measurement unit, the current measuring unit, the P/
F converter can export DC voltage, DC current and high-frequency pulse signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811239749.6A CN109669153A (en) | 2018-10-24 | 2018-10-24 | A kind of direct current energy meter on-site detecting device based on electric automobile charging pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811239749.6A CN109669153A (en) | 2018-10-24 | 2018-10-24 | A kind of direct current energy meter on-site detecting device based on electric automobile charging pile |
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| CN109669153A true CN109669153A (en) | 2019-04-23 |
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| CN201811239749.6A Pending CN109669153A (en) | 2018-10-24 | 2018-10-24 | A kind of direct current energy meter on-site detecting device based on electric automobile charging pile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110109045A (en) * | 2019-06-21 | 2019-08-09 | 广东电网有限责任公司 | Test power supply and equipment for three-phase electrical energy meter for three-phase electric energy meter calibrating |
| CN110297206A (en) * | 2019-06-06 | 2019-10-01 | 国网浙江省电力有限公司电力科学研究院 | Equipment for three-phase electrical energy meter power source based on IR46 standard |
-
2018
- 2018-10-24 CN CN201811239749.6A patent/CN109669153A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297206A (en) * | 2019-06-06 | 2019-10-01 | 国网浙江省电力有限公司电力科学研究院 | Equipment for three-phase electrical energy meter power source based on IR46 standard |
| CN110297206B (en) * | 2019-06-06 | 2021-06-25 | 国网浙江省电力有限公司营销服务中心 | Three-phase electric energy meter calibrating device power source based on IR46 standard |
| CN110109045A (en) * | 2019-06-21 | 2019-08-09 | 广东电网有限责任公司 | Test power supply and equipment for three-phase electrical energy meter for three-phase electric energy meter calibrating |
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