CN107367635A - Direct current charging pile field tester - Google Patents
Direct current charging pile field tester Download PDFInfo
- Publication number
- CN107367635A CN107367635A CN201710677460.1A CN201710677460A CN107367635A CN 107367635 A CN107367635 A CN 107367635A CN 201710677460 A CN201710677460 A CN 201710677460A CN 107367635 A CN107367635 A CN 107367635A
- Authority
- CN
- China
- Prior art keywords
- charging pile
- direct current
- charging
- electrical energy
- current charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 claims abstract description 16
- 238000004088 simulation Methods 0.000 claims abstract description 15
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 21
- 229910052744 lithium Inorganic materials 0.000 claims description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 8
- 230000003993 interaction Effects 0.000 claims description 8
- 210000001367 artery Anatomy 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 210000003462 vein Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/255—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with counting of pulses during a period of time proportional to voltage or current, delivered by a pulse generator with fixed frequency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of direct current charging pile field tester.The charging gun includes charging gun input interface and charging gun output interface, and the charging gun input interface is external in the output interface of charging pile to be examined and determine, and the charging gun output interface is external in the input interface of charging pile to be examined and determine by program control load box.The ARM main control modules are provided with BMS analogue units, the BMS analogue units electrically connect battery simulator, the BMS analogue units are used to generate and export BMS analog parameter signals, and the battery simulator obtains above-mentioned BMS analog parameters signal and according to above-mentioned BMS analog parameters signal generation and exports simulation test electrical energy pulse.Direct current charging pile field tester of the present invention can simulate the whole process charging process such as electric automobile BSM agreements and internal resistance change, monitor charged state and calculate electric energy output, realize the metering and calibrating of direct-current charging post.
Description
Technical field
The invention belongs to direct-current charging post technical field, and in particular to a kind of direct current charging pile field tester.
Background technology
Important component of the electric automobile as national new energy strategy, spreading speed are very fast.With electric automobile
Supporting alternating current-direct current charging pile is synchronously popularized.According to investigation statisticses, the calibration equipment of direct-current charging post is still rare.It is existing
Direct-current charging post calibration equipment will all examine direct current energy meter more as technical scheme, and not directly using calibration equipment as mould
In the charge circuit for intending device access electric automobile, and then tested target is converted into charging pile in itself from direct current energy meter output
Energy exports.
For this reason, it is necessary to propose a kind of Novel DC charging pile test equipment, carrying and live adaptation, simulation are readily transported
The whole process charging process such as electric automobile BSM agreements and internal resistance change, monitor charged state and calculate electric energy output, realize straight
The metering and calibrating of current charge stake.
The content of the invention
The present invention is directed to the situation of prior art, overcomes above-mentioned technological deficiency, there is provided a kind of direct current charging pile field test
Instrument.
The present invention uses following technical scheme, the direct current charging pile field tester, including program control load box, also wraps
Include：
Charging gun, the charging gun include charging gun input interface and charging gun output interface, outside the charging gun input interface
The output interface of charging pile to be examined and determine is connected to, the charging gun output interface is external in charging pile to be examined and determine by program control load box
Input interface；
ARM main control modules and battery simulator, the ARM main control modules are provided with BMS analogue units, the BMS analogue units electricity
Battery simulator is connected, the BMS analogue units are used to generate and export BMS analog parameter signals, the battery simulator
Obtain above-mentioned BMS analog parameters signal and according to above-mentioned BMS analog parameters signal generation and export simulation test electric energy arteries and veins
Punching.
According to above-mentioned technical proposal, the direct current charging pile field tester also includes DC measurement module, the direct current
Measurement module is provided with voltage measurement unit and current measuring unit, and the voltage measurement unit and current measuring unit are set simultaneously
In charging gun input interface, the voltage measurement unit and current measuring unit electrically connect ARM main control modules independently of each other.
According to above-mentioned technical proposal, the voltage measurement unit and current measuring unit are used to measure charging gun input in real time
The charging voltage and charging current of interface, and above-mentioned charging voltage value and charging current value are changed into accumulative electricity by calculating
Can and it be exported in the form of simulation test electrical energy pulse.
According to above-mentioned technical proposal, take charging voltage precision resistance partial pressure and be converted into small voltage signal, it is above-mentioned
Small voltage signal carries out analog-to-digital conversion by AD sampling A/D chips and forms data signal, and above-mentioned data signal is obtained by ARM main control modules
And it is converted into charging voltage actual value.
According to above-mentioned technical proposal, the direct current charging pile field tester also includes electric energy error comparing module, described
Electric energy error comparing module is provided with electrical energy pulse input block and electrical energy pulse output unit, the electrical energy pulse input block and
Electrical energy pulse output unit electrically connects ARM main control modules independently of each other.
According to above-mentioned technical proposal, the electrical energy pulse input block is used to obtain the charging exported by charging pile to be examined and determine
Stake electrical energy pulse, the electrical energy pulse output unit are used to obtain the simulation test electrical energy pulse exported by battery simulator, institute
Electric energy error comparing module is stated to charge by comparing above-mentioned charging pile electrical energy pulse and simulation test electrical energy pulse and obtaining to wait to examine and determine
The electric energy error of stake.
According to above-mentioned technical proposal, the direct current charging pile field tester also includes lithium battery group, the lithium battery group
It is made up of multiple 18650 battery core strings and connection.
According to above-mentioned technical proposal, the direct current charging pile field tester also includes human-computer interaction module, described man-machine
Interactive module is provided with touch screen, and the touch screen electrically connects ARM main control modules, the touch screen be used for display data information and
Detect touch-control input.
According to above-mentioned technical proposal, above-mentioned data message includes but is not limited to charged state, electric energy aggregate-value, electric energy error
Value.
According to above-mentioned technical proposal, above-mentioned touch screen uses capacitance plate.
Direct current charging pile field tester disclosed by the invention, its advantage are that it is possible to simulate electric automobile BSM associations
The whole process charging processes such as negotiation internal resistance change, monitor charged state and calculate electric energy output, realize the meter of direct-current charging post
Amount and calibrating.
Brief description of the drawings
Fig. 1 is the system block diagram of the preferred embodiment of the present invention.
Reference includes：10- charging guns；11- charging gun input interfaces；12- charging gun output interfaces；20-ARM master controls
Module；21-BMS analogue units；30- battery simulators；40- human-computer interaction modules；41- touch screens；50- DC measurement modules；
51- voltage measurement units；52- current measuring units；60- electric energy error comparing modules；61- electrical energy pulse input blocks；62- electricity
Energy impulse output unit；70- lithium battery groups；71- lithium batteries.
Embodiment
The invention discloses a kind of direct current charging pile field tester, with reference to preferred embodiment, to the tool of the present invention
Body embodiment is further described.
Referring to Fig. 1 of accompanying drawing, Fig. 1 shows the modular structure and operation principle of direct current charging pile field tester.It is preferred that
Ground, the direct current charging pile field tester include program control load box, and the direct current charging pile field tester also includes charging
Rifle 10, the charging gun include charging gun input interface 11 and charging gun output interface 12, outside the charging gun input interface 11
The output interface of charging pile to be examined and determine is connected to, the charging gun output interface 12 is external in by program control load box treats calibrating charging
The input interface of stake.
Preferably, the direct current charging pile field tester also includes ARM main control modules 20 and battery simulator 30, described
ARM main control modules 20 are provided with BMS analogue units 21, and the BMS analogue units 21 electrically connect battery simulator 30, the BMS moulds
Quasi-simple member 21 is used to generate and export BMS analog parameter signals, and the battery simulator 30 obtains above-mentioned BMS analog parameters letter
Number, and according to above-mentioned BMS analog parameters signal generation and simulation test electrical energy pulse is exported, above-mentioned simulation test electric energy arteries and veins
Punching is exported by charging gun output interface 12 to the input interface of charging pile to be examined and determine.
Further, the voltage range of above-mentioned electrical energy pulse is 0-1000V.
Preferably, the direct current charging pile field tester also includes human-computer interaction module 40, the human-computer interaction module
40 are provided with touch screen 41, and the touch screen 41 electrically connects ARM main control modules 20, and the touch screen 41 is used for display data information simultaneously
And detection touch-control input, so as to realize man-machine interaction.
Further, above-mentioned data message include but be not limited to charged state, electric energy aggregate-value, electric energy error value.
Further, above-mentioned touch screen 41 preferably uses capacitance plate.
Preferably, the direct current charging pile field tester also includes DC measurement module 50, the DC measurement module
50 are provided with voltage measurement unit 51 and current measuring unit 52, and the voltage measurement unit 51 and current measuring unit 52 are set simultaneously
Charging gun input interface 11 is placed in, the voltage measurement unit 51 and current measuring unit 52 electrically connect ARM master independently of each other
Control module 20.Wherein, the voltage measurement unit 51 and current measuring unit 52 are used to measure charging gun input interface 11 in real time
Charging voltage and charging current, and above-mentioned charging voltage value and charging current value are changed into accumulative electric energy simultaneously by calculating
And exported in the form of simulation test electrical energy pulse.
Further, above-mentioned charging voltage highest supports 1200V, and above-mentioned charging current is maximum to support 300A.
Further, in above-mentioned charging voltage and charging current measurement process, accurate electricity is taken to the charging voltage of introducing
Hinder partial pressure and be converted into small voltage signal, above-mentioned small voltage signal carries out analog-to-digital conversion by AD sampling A/D chips and forms digital letter
Number, above-mentioned data signal is obtained by ARM main control modules 20 and is converted into charging voltage actual value.
Preferably, the direct current charging pile field tester also includes electric energy error comparing module 60, the electric energy error
Comparing module 60 is provided with electrical energy pulse input block 61 and electrical energy pulse output unit 62, the He of electrical energy pulse input block 61
Electrical energy pulse output unit 62 electrically connects ARM main control modules 20 independently of each other, and the electrical energy pulse input block 61 is used to obtain
The charging pile electrical energy pulse exported by charging pile to be examined and determine is taken, the electrical energy pulse output unit 62 is used to obtain is simulated by battery
The simulation test electrical energy pulse that device 30 exports.The electric energy error comparing module 60 by compare above-mentioned charging pile electrical energy pulse and
Simulation test electrical energy pulse can obtain the electric energy error of charging pile to be examined and determine.
Preferably, the direct current charging pile field tester also includes lithium battery group 70, and the lithium battery group 70 is provided with more
Individual lithium battery 71, the lithium battery group 70 provide working power to above-mentioned each electrical appliance.
Further, the lithium battery 71 preferably uses 18650 battery cores, by multiple 18650 battery core strings and connects and forms lithium
Battery pack 70.
Further, the above-mentioned specification of lithium battery group 70 preferably uses 12V15Ah.
Alternatively, the direct current charging pile field tester can also use accessory power supply powering mode.When without accessory power supply
Lithium battery power supply pattern is can switch to during power supply.
Preferably, CAN connecting communication is used between the ARM main control modules 20 and charging gun input interface 11；Institute
State and RS485 connecting communications are used between ARM main control modules 20 and charging gun output interface 12.
According to above preferred embodiment, direct current charging pile field tester disclosed by the invention can be by simulating electronic vapour
Car charging process, which to monitor charged state in real time and then measured, obtains accumulative electric energy, realizes the output electric energy meter to direct-current charging post
Amount.Compared with being examined and determine by direct current energy meter, the verification process of direct current charging pile field tester of the present invention is more directly reliable.
Using lithium battery power supply, small volume is easy to carry while endurance is strong.Using medium of the capacitance plate as man-machine interaction,
Operate intuitive and convenient.Charging gun input/output interface meets the relevant criterions such as the GB/T20234 of electric vehicle charge interface.
For a person skilled in the art, the technical scheme described in foregoing embodiments can still be repaiied
Change, or equivalent substitution is carried out to which part technical characteristic, within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in protection scope of the present invention.
Claims (10)
1. a kind of direct current charging pile field tester, including program control load box, it is characterised in that also include：
Charging gun, the charging gun include charging gun input interface and charging gun output interface, outside the charging gun input interface
The output interface of charging pile to be examined and determine is connected to, the charging gun output interface is external in charging pile to be examined and determine by program control load box
Input interface；
ARM main control modules and battery simulator, the ARM main control modules are provided with BMS analogue units, the BMS analogue units electricity
Battery simulator is connected, the BMS analogue units are used to generate and export BMS analog parameter signals, the battery simulator
Obtain above-mentioned BMS analog parameters signal and according to above-mentioned BMS analog parameters signal generation and export simulation test electric energy arteries and veins
Punching.
2. direct current charging pile field tester according to claim 1, it is characterised in that the direct current charging pile field is surveyed
Examination instrument also includes DC measurement module, and the DC measurement module is provided with voltage measurement unit and current measuring unit, the electricity
Pressure measuring unit and current measuring unit are arranged at charging gun input interface, the voltage measurement unit and current measurement list simultaneously
Member electrically connects ARM main control modules independently of each other.
3. direct current charging pile field tester according to claim 2, it is characterised in that the voltage measurement unit and electricity
Flow metering unit is used for the charging voltage and charging current for measuring charging gun input interface in real time, and by above-mentioned charging voltage value
With charging current value accumulative electric energy and the output in the form of simulation test electrical energy pulse are changed into by calculating.
4. direct current charging pile field tester according to claim 3, it is characterised in that take charging voltage accurate electricity
Hinder partial pressure and be converted into small voltage signal, above-mentioned small voltage signal carries out analog-to-digital conversion by AD sampling A/D chips and forms digital letter
Number, above-mentioned data signal is obtained by ARM main control modules and is converted into charging voltage actual value.
5. direct current charging pile field tester according to claim 3, it is characterised in that the direct current charging pile field is surveyed
Examination instrument also includes electric energy error comparing module, and the electric energy error comparing module is provided with electrical energy pulse input block and electrical energy pulse
Output unit, the electrical energy pulse input block and electrical energy pulse output unit electrically connect ARM main control modules independently of each other.
6. direct current charging pile field tester according to claim 5, it is characterised in that the electrical energy pulse input block
For obtaining the charging pile electrical energy pulse exported by charging pile to be examined and determine, the electrical energy pulse output unit is used to obtain by battery
Simulator output simulation test electrical energy pulse, the electric energy error comparing module by compare above-mentioned charging pile electrical energy pulse and
Simulation test electrical energy pulse obtains the electric energy error of charging pile to be examined and determine.
7. direct current charging pile field tester according to claim 1, it is characterised in that the direct current charging pile field is surveyed
Examination instrument also includes lithium battery group, and the lithium battery group is made up of multiple 18650 battery core strings and connection.
8. direct current charging pile field tester according to claim 1, it is characterised in that the direct current charging pile field is surveyed
Examination instrument also includes human-computer interaction module, and the human-computer interaction module is provided with touch screen, and the touch screen electrically connects ARM master control moulds
Block, the touch screen are used for display data information and detect touch-control input.
9. direct current charging pile field tester according to claim 8, it is characterised in that above-mentioned data message is included but not
It is limited to charged state, electric energy aggregate-value, electric energy error value.
10. direct current charging pile field tester according to claim 8, it is characterised in that above-mentioned touch screen uses electric capacity
Screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710677460.1A CN107367635A (en) | 2017-08-09 | 2017-08-09 | Direct current charging pile field tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710677460.1A CN107367635A (en) | 2017-08-09 | 2017-08-09 | Direct current charging pile field tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107367635A true CN107367635A (en) | 2017-11-21 |
Family
ID=60310506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710677460.1A Pending CN107367635A (en) | 2017-08-09 | 2017-08-09 | Direct current charging pile field tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107367635A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108965044A (en) * | 2018-06-12 | 2018-12-07 | 南瑞集团有限公司 | A kind of electric car electrically-charging equipment universal data link health status test device, system and method |
| CN108982995A (en) * | 2018-06-15 | 2018-12-11 | 国网电动汽车服务有限公司 | A kind of portable charged stake networking detection device and enter network detecting method |
| CN109444566A (en) * | 2018-09-03 | 2019-03-08 | 中国电力科学研究院有限公司 | A kind of electric car electrically-charging equipment detection device and method |
| CN110171319A (en) * | 2019-06-03 | 2019-08-27 | 国网四川省电力公司电力科学研究院 | A kind of three-phase standard AC charging pile that can be used for tracing to the source |
| CN111884776A (en) * | 2020-07-02 | 2020-11-03 | 深圳市赛特新能科技有限公司 | Charging pile protocol consistency testing method |
| CN113311279A (en) * | 2021-07-06 | 2021-08-27 | 国网上海市电力公司 | Self-power-taking and self-loading non-vehicle-mounted charger testing method |
| WO2024022539A1 (en) * | 2022-07-26 | 2024-02-01 | 中国电力科学研究院有限公司 | Client-side energy measurement data exchange protocol remote testing method, system, computer readable storage medium, and computer program product |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013206687A1 (en) * | 2013-04-15 | 2014-10-16 | Siemens Aktiengesellschaft | Provision of a warning signal for a charging station |
| WO2015090083A1 (en) * | 2013-12-17 | 2015-06-25 | 国家电网公司 | Control guidance detection circuit and device of charging pile |
| CN105259532A (en) * | 2015-11-26 | 2016-01-20 | 云南电网有限责任公司电力科学研究院 | Electric vehicle charging pile DC electric energy meter calibration system |
| CN105606937A (en) * | 2016-02-25 | 2016-05-25 | 北京群菱能源科技有限公司 | DC charging pile calibration device |
| CN205691687U (en) * | 2016-05-31 | 2016-11-16 | 天津三源电力信息技术有限公司 | Electric automobile and charging pile on-line measuring device |
| CN106405302A (en) * | 2016-11-28 | 2017-02-15 | 许继电源有限公司 | Electric automobile charging pile detection device |
| CN106556761A (en) * | 2016-11-24 | 2017-04-05 | 国网山东省电力公司 | A kind of direct-current charging post detecting system and method for being applied to scene |
| CN206321730U (en) * | 2017-01-09 | 2017-07-11 | 石家庄通合电子科技股份有限公司 | BMS simulates frock |
| CN207081767U (en) * | 2017-08-09 | 2018-03-09 | 浙江涵普电力科技有限公司 | Direct current charging pile field tester |
-
2017
- 2017-08-09 CN CN201710677460.1A patent/CN107367635A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013206687A1 (en) * | 2013-04-15 | 2014-10-16 | Siemens Aktiengesellschaft | Provision of a warning signal for a charging station |
| WO2015090083A1 (en) * | 2013-12-17 | 2015-06-25 | 国家电网公司 | Control guidance detection circuit and device of charging pile |
| CN105259532A (en) * | 2015-11-26 | 2016-01-20 | 云南电网有限责任公司电力科学研究院 | Electric vehicle charging pile DC electric energy meter calibration system |
| CN105606937A (en) * | 2016-02-25 | 2016-05-25 | 北京群菱能源科技有限公司 | DC charging pile calibration device |
| CN205691687U (en) * | 2016-05-31 | 2016-11-16 | 天津三源电力信息技术有限公司 | Electric automobile and charging pile on-line measuring device |
| CN106556761A (en) * | 2016-11-24 | 2017-04-05 | 国网山东省电力公司 | A kind of direct-current charging post detecting system and method for being applied to scene |
| CN106405302A (en) * | 2016-11-28 | 2017-02-15 | 许继电源有限公司 | Electric automobile charging pile detection device |
| CN206321730U (en) * | 2017-01-09 | 2017-07-11 | 石家庄通合电子科技股份有限公司 | BMS simulates frock |
| CN207081767U (en) * | 2017-08-09 | 2018-03-09 | 浙江涵普电力科技有限公司 | Direct current charging pile field tester |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108965044A (en) * | 2018-06-12 | 2018-12-07 | 南瑞集团有限公司 | A kind of electric car electrically-charging equipment universal data link health status test device, system and method |
| CN108982995A (en) * | 2018-06-15 | 2018-12-11 | 国网电动汽车服务有限公司 | A kind of portable charged stake networking detection device and enter network detecting method |
| CN109444566A (en) * | 2018-09-03 | 2019-03-08 | 中国电力科学研究院有限公司 | A kind of electric car electrically-charging equipment detection device and method |
| CN109444566B (en) * | 2018-09-03 | 2023-08-11 | 中国电力科学研究院有限公司 | Electric automobile charging facility detection equipment and method |
| CN110171319A (en) * | 2019-06-03 | 2019-08-27 | 国网四川省电力公司电力科学研究院 | A kind of three-phase standard AC charging pile that can be used for tracing to the source |
| CN110171319B (en) * | 2019-06-03 | 2024-02-13 | 国网四川省电力公司电力科学研究院 | Three-phase standard alternating-current charging pile capable of being used for tracing |
| CN111884776A (en) * | 2020-07-02 | 2020-11-03 | 深圳市赛特新能科技有限公司 | Charging pile protocol consistency testing method |
| CN113311279A (en) * | 2021-07-06 | 2021-08-27 | 国网上海市电力公司 | Self-power-taking and self-loading non-vehicle-mounted charger testing method |
| WO2024022539A1 (en) * | 2022-07-26 | 2024-02-01 | 中国电力科学研究院有限公司 | Client-side energy measurement data exchange protocol remote testing method, system, computer readable storage medium, and computer program product |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107367635A (en) | Direct current charging pile field tester | |
| CN108072847B (en) | A kind of estimation method of dynamic lithium battery identification of Model Parameters and remaining capacity | |
| CN101807795B (en) | Method for forming electric energy metering simulation system and device thereof | |
| CN103471473B (en) | A kind of portable missile integration test car automatic gauge calibrating installation and calibration method | |
| CN103018680A (en) | Metering method and metering device of battery level and battery supply set | |
| CN102645635A (en) | Device and method for testing corresponding relation between open circuit voltage (OCV) and system on chip (SOC) | |
| CN103257277B (en) | Multifunctional virtual instrument based on constant flow source and control method | |
| CN107102182A (en) | Centralized surge voltage reference waveform method for generation and system for magnitude tracing | |
| CN104142446B (en) | System and method for testing charging control response time of electric vehicle charger | |
| CN202471930U (en) | Temperature and volume test system for battery system | |
| CN104635124A (en) | Simulation device for partial discharge mode | |
| CN203275628U (en) | High voltage battery pack external characteristic simulator | |
| CN103293510B (en) | Device and method for quickly measuring errors of electric energy meter | |
| CN202975311U (en) | Comprehensive performance testing platform of battery management system | |
| CN106646334A (en) | Method and system for calculating metering error of electric energy meter | |
| CN109307816A (en) | Power equipment test method based on substation's hybrid electromagnetic interference simulation | |
| CN204142849U (en) | For simulating battery simulation device and the system of charging electric vehicle | |
| CN207081767U (en) | Direct current charging pile field tester | |
| CN103529390A (en) | Battery residual electric amount measuring device based on single-chip microcomputer | |
| CN106443549A (en) | Analog alternating current resistance device for calibrating battery internal resistance tester | |
| CN203012108U (en) | Automatic calibration and verification apparatus for battery pack | |
| CN207502618U (en) | Nonlinear-load power output device | |
| CN110045311A (en) | Metering secondary global error on-the-spot test method and its system | |
| CN202939297U (en) | Verification system for ground resistance tester | |
| CN204649838U (en) | Charging pile charge metering verifying attachment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Jianmin Inventor after: Zhang Jiaxue Inventor after: Jiang Wenhui Inventor after: Xu Yin Inventor before: Zhang Jiaxue Inventor before: Jiang Wenhui Inventor before: Xu Yin |
|
| CB03 | Change of inventor or designer information |