CN109823209A - Electric vehicle AC charging detection device and corresponding AC charger detection method - Google Patents
Electric vehicle AC charging detection device and corresponding AC charger detection method Download PDFInfo
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- CN109823209A CN109823209A CN201910175577.9A CN201910175577A CN109823209A CN 109823209 A CN109823209 A CN 109823209A CN 201910175577 A CN201910175577 A CN 201910175577A CN 109823209 A CN109823209 A CN 109823209A
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- 238000004088 simulation Methods 0.000 claims abstract description 10
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- 238000003491 array Methods 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 12
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
本发明公开了一种电动汽车交流充电检测装置及一种电动汽车交流充电机检测方法。所述电动汽车交流充电检测装置包括相互连接的控制单元(1)、桩端接口模拟单元(2)、车端接口模拟单元(3)、第一数据采集单元(4)、第二数据采集单元(5)、第一充电接口(7)和第二充电接口(8)，所述第一充电接口(7)适于与交流充电机(200)连接；所述第二充电接口(8)适于与电动汽车(300)连接。本发明的电动汽车交流充电检测装置适于直接连接交流充电桩和电动汽车，能够直接以电动汽车作为充电检测的负载，从而避免了能源浪费，且避免了对检测用可编程直流负载的需求，大大降低了对整个检测系统的投入成本要求。
The invention discloses an electric vehicle AC charging detection device and an electric vehicle AC charger detection method. The electric vehicle AC charging detection device comprises an interconnected control unit (1), a pile-end interface simulation unit (2), a vehicle-end interface simulation unit (3), a first data acquisition unit (4), and a second data acquisition unit (5) a first charging interface (7) and a second charging interface (8), the first charging interface (7) is suitable for connecting with an AC charger (200); the second charging interface (8) is suitable for connecting with an AC charger (200). for connection with the electric vehicle (300). The electric vehicle AC charging detection device of the present invention is suitable for directly connecting an AC charging pile and an electric vehicle, and can directly use the electric vehicle as a load for charging detection, thereby avoiding energy waste and avoiding the need for a programmable DC load for detection. It greatly reduces the input cost requirements for the entire detection system.
Description
Technical field
The present invention relates to electric car charging detection device technical fields, more particularly to a kind of electric vehicle alternating-current charging
Detection device and corresponding AC charging machine testing method.
Background technique
As technology develops, electric car is become increasingly popular, and is increasingly increased severely to electric car ancillary equipment demand.Electric car
Key equipment of the charger (containing various concrete forms such as charging piles) as electric car charging, quality directly affect electronic vapour
The use of vehicle.Therefore it is necessary to carry out the detection to electric automobile battery charger in real earnest.Especially electric automobile battery charger is carried out just
Prompt, reliable on-site test.
In the prior art, a kind of on-site test mode is to carry out on-site test using container-type detection device.This
DC load, various detection units etc. are integrated in a huge cabinet by kind container-type detection device, and volume is excessively huge
Greatly, wiring is excessively complicated, is not suitable for very much the on-site test of charger.
Another detection device of the prior art
Corresponding load is equipped with to realize the on-site test to electrically-charging equipment.The load is used as load using resistance,
Electric energy is consumed in a manner of heat during test, is the significant wastage to the energy；Or using can feedback electronics
There is many hidden danger such as interference power grid as the test load in test macro in load.And exist simultaneously load volume it is big,
The disadvantages of installation is inconvenient with transport.
Thus, it is desirable to have a kind of technical solution come overcome or at least mitigate in the drawbacks described above of the prior art at least one
It is a.
Summary of the invention
The purpose of the present invention is to provide a kind of electric vehicle alternating-current charging detection device come overcome or at least mitigate it is existing
At least one of drawbacks described above of technology.
To achieve the above object, the present invention provides a kind of electric vehicle alternating-current charging detection device, and the electric car is handed over
Current charge detection device includes: control unit, stake end interface analogue unit, vehicle end interface analogue unit, the first data acquisition list
Member, the second data acquisition unit, the first charging interface and the second charging interface,
First charging interface be suitable for connect with AC charging machine, AC charging machine can be alternating-current charging pile or other
AC charging device appropriate；
Second charging interface is suitable for connecting with electric car；
First charging interface and the second charging interface are directly connected to by the first Internal cable, to carry out charging power
Transmission, the transmission of especially single-phase or three-phase alternating current charging power；
The stake end interface analogue unit is electrically connected by the second Internal cable and first charging interface, the vehicle end
Interface analogue unit is electrically connected by third Internal cable with second charging interface, and the stake end interface analogue unit with
Vehicle end interface analogue unit is controlled by described control unit；
First data acquisition unit acquires the electric signal of second Internal cable or third Internal cable, and will
The electric signal of acquisition is sent to described control unit；
Second data acquisition unit acquires the electric signal of the first Internal cable, and the electric signal of acquisition is transmitted
To described control unit.
Preferably, the stake end interface analogue unit and vehicle end interface analogue unit are under described control unit control, tool
There are following three kinds of working conditions:
Detect charger working condition: when detecting AC charging machine, the stake end interface analogue unit is modeled as electronic
Automobile end function；It is understood that stake end interface analogue unit is simulated under the control of the control unit with the program of setting
For electric car end function, to detect at various electric car ends, whether the function of AC charging machine is met the requirements；
Detect charge function working condition: when detecting the AC charging function of electric car, the vehicle end interface simulation
Unit simulation is AC charging generator terminal function；
Monitor charging work state: when monitor electric vehicle alternating-current charging function, the stake end interface analogue unit with
Vehicle end interface analogue unit is directly by the first charging interface and the second charging interface signal communication.Referring to Fig. 1, the first charging interface
And second have direct channel between charging interface.Advantageously, the direct channel is the direct channel of selectivity, it is single in control
Under the control of member, direct-connected conducting is realized under operating condition appropriate or working condition.
Preferably, the power supply unit of the electric vehicle alternating-current charging detection device includes: battery modules, battery charging mould
Block, switch arrays, the first exchange turns DC Module and the second exchange turns DC Module,
Wherein, the battery modules are connect by battery charging module with switch arrays, and first exchange turns direct current mould
Block is used to city being electrically accessed switch arrays, and second exchange turns DC Module for will be from the auxiliary inside AC charging machine
Plant-grid connection switch arrays, the switch arrays use priority policy, only have electricity described in a kind of plant-grid connection in synchronization
Pond charging module charges for the battery modules.
Preferably, the form of first charging interface is charging gun platform, is matched suitable for the charging pipette tips with AC charging machine
It closes；The form of second charging interface is charging pipette tips, suitable for the charging gun platform cooperation with electric car.
Preferably, the electric signal of the first data acquisition unit acquisition includes: charging control signal and connecting detection
Signal；Agreement in the charging of charging control signal and the connecting detection signal, that is, voltage of CP and CC relative to PE, i.e. regular alternating current
Line,
The electric signal of the second data acquisition unit acquisition includes: the friendship of the first charging interface and the second charging interface
Current charge phase voltage and phase current.
The AC charging phase voltage and phase current, that is, L1, L2, L3 of first charging interface and the second charging interface are relative to N-terminal
Phase voltage and L1, L2, L3 on phase current.
Preferably, the electric vehicle alternating-current charging detection device is that the electric vehicle alternating-current charging of hand-held detects dress
It sets, and the electric vehicle alternating-current charging detection device has wired network interface and/or wireless communication interface.
The present invention also provides a kind of electric vehicle alternating-current charging machine testing method, the method uses electronic vapour as described above
Vehicle AC charging detection device is detected, and first charging interface is connect with AC charging machine；Described second is charged
Interface is connect with electric car.
Preferably, described control unit makes the stake end interface analogue unit and vehicle end interface analogue unit be in detection
Charger working condition, electric signal of the described control unit based on acquisition and the communication condition with the AC charging machine,
Obtain the testing result to the AC charging machine.Control unit passes through stake end interface analogue unit and vehicle end interface analogue unit
It is communicated with the AC charging machine.
Preferably, described control unit makes the stake end interface analogue unit and vehicle end interface analogue unit be in monitoring
Charging work state, electric signal of the described control unit based on acquisition and is based on the stake end interface analogue unit and Che Duan
AC charging machine is filled in the communication condition of the AC charging machine and the electric car that interface analogue unit listens to, realization
The on-site proving of electric function of measuring, and/or realize analysis and judgement to charge fault.It is specific to analyze and judge algorithm
It can according to need setting.
Electric vehicle alternating-current charging detection device of the invention is suitable for being directly connected to AC charging machine and electric car, can
Directly using electric car as the load of charging detection, so as to avoid energy waste, and avoid straight with may be programmed to detection
The demand of current load greatly reduces the input cost requirement to entire detection system.
Detailed description of the invention
Fig. 1 is the schematic diagram of electric vehicle alternating-current charging detection device according to an embodiment of the invention.
Fig. 2 is the schematic diagram of the power supply unit of electric vehicle alternating-current charging detection device according to an embodiment of the invention.
Fig. 3 is the signal using connection type of electric vehicle alternating-current charging detection device according to an embodiment of the invention
Figure.
Fig. 4 is the schematic block diagram of electric vehicle alternating-current charging detection device according to an embodiment of the invention.
Appended drawing reference:
| 1 | Control unit | 64 | First AC/DC converter |
| 2 | Stake end interface analogue unit | 65 | 2nd AC/DC converter |
| 3 | Vehicle end interface analogue unit | 100 | AC charging detection device |
| 4 | First data acquisition unit | 200 | AC charging machine |
| 5 | Second data acquisition unit | 300 | Electric car |
| 6 | Power supply unit | 401 | First connection cables |
| 7 | First charging interface | 402 | Second connection cables |
| 8 | Second charging interface | 403 | First Internal cable |
| 61 | Battery modules | 404 | Second Internal cable |
| 62 | Battery charging module | 405 | Third Internal cable |
| 63 | Switch arrays |
Specific embodiment
In the accompanying drawings, same or similar element is indicated using same or similar label or there is same or like function
Element.The embodiment of the present invention is described in detail with reference to the accompanying drawing.
Referring to Fig. 1-4, electric vehicle alternating-current charging detection device of the invention includes control unit 1, the simulation of stake end interface
Unit 2, vehicle end interface analogue unit 3, the first data acquisition unit 4, the second data acquisition unit 5, power supply unit 6, first are filled
Electrical interface 7 and the second charging interface 8.
Electric vehicle alternating-current charging detection device of the invention is suitable for being directly connected to AC charging machine and electric car, can
Directly using electric car as the load of charging detection, so as to avoid energy waste, and avoid straight with may be programmed to detection
The demand of current load greatly reduces the input cost requirement to entire detection system.
Control unit 1 is the control centre of whole device, other units are all by the control of control unit 1.Control unit 1 can
By using it is any it is appropriate in the form of, construction and circuit, as long as necessary control function can be completed.
First charging interface 7 is suitable for connecting with AC charging machine 200, referred to herein as being directly connected to.AC charging machine can be with
It is alternating-current charging pile or other AC charging devices appropriate.
Second charging interface 8 is suitable for connecting with electric car 300, referred to herein as being directly connected to.First charging interface 7 and
Two charging interfaces 8 can use any form appropriate or structure.
First charging interface 7 and the second charging interface 8 are directly connected to by the first Internal cable 403, to be filled
Electric power transmission, the transmission of especially single-phase or three-phase alternating current charging power.
Stake end interface analogue unit 2 is electrically connected by the second Internal cable 404 and the first charging interface 7.Vehicle terminates mouth mold
Quasi-simple member 3 is electrically connected by third Internal cable 405 with second charging interface 8.The stake end interface analogue unit 2 and vehicle
End interface analogue unit 3 is controlled by described control unit 1.
First data acquisition unit 4 acquires the electric signal of second Internal cable 404 or third Internal cable 405,
And the electric signal of acquisition is sent to described control unit 1.As shown in the figure are as follows: the first data acquisition unit 4 acquires in third
The electric signal of portion's cable 405.It is understood that the first data acquisition unit 4 can be set to the control in control unit 1
Under, the electric signal on the second Internal cable 404 or third Internal cable 405 is acquired as needed.
In one embodiment, the electric signal of the first data acquisition unit 4 acquisition includes: charging control signal and connection
Detect signal.Charging control signal and the connecting detection signal, that is, voltage of CP and CC relative to PE (the earth), i.e. regular alternating current fill
The signal on agreement line in electricity.
That is, control unit 1, which controls the realization of the first data acquisition unit 4, carries out high speed to the voltage of CP and CC signal
Acquisition.First data acquisition unit 4 uses high-speed A/D converter, carries out high speed acquisition to the voltage of CP signal and CC signal,
Critical data is provided for alternating-current charging pile, electric vehicle alternating-current charging function and electric vehicle alternating-current charging function of measuring.
Second data acquisition unit 5 acquires the electric signal of the first Internal cable 403, and the electric signal of acquisition is transmitted
To described control unit 1.In one embodiment, the first Internal cable 403 includes L1, L2, L3 and N totally 4 transmission line of electricity (three-phases
AC charging).It can also only include two transmission lines of electricity (single phase ac charging).
In one embodiment, the electric signal that second data acquisition unit 5 acquires includes: the first charging interface 7
With the AC charging phase voltage and phase current of the second charging interface 8.
The AC charging phase voltage and phase current, that is, L1, L2, L3 of first charging interface 7 and the second charging interface 8 are relative to N
Phase current in the phase voltage and L1, L2, L3 at end.
That is, control unit 1 control the second data acquisition unit 5 realize to the phase voltage of L1, L2, L3 and N-terminal and
Phase current on L1, L2, L3 carries out high precision collecting.As needed, the phase voltage and phase current of three-phase can be acquired；It can be with
It is set as only acquiring the phase voltage and phase current of a certain phase of actual use.
Second data acquisition unit 5 specifically uses high precision digital-to-analog converter, the three-phase voltage to L1, L2, L3 and three
Phase current carries out high precision collecting, is alternating-current charging pile, electric vehicle alternating-current charging function and electric vehicle alternating-current charging metering
Function provides critical data.
For example, the phase current in the phase voltage and L1, L2, L3 of L1, L2, L3 and N-terminal is when detecting, it can be single according to control
The instruction of member 1 and change, while being detected, see whether testing result and setting identical, to carry out Function detection.
Each section of electric vehicle alternating-current charging detection device of the invention can be integrated into an integrated small-sized dress
It sets.More specifically, entire electric vehicle alternating-current charging detection device of the invention is a handheld apparatus.
Electric vehicle alternating-current charging detection device of the invention is suitable for being directly connected to AC charging machine and electric car, can
Directly using electric car as the load of charging detection, so as to avoid energy waste, and avoid straight with may be programmed to detection
The demand of current load greatly reduces the input cost requirement to entire detection system.
Electric vehicle alternating-current charging detection device of the invention can be set to be adapted to various different forms or specification
The electric car of AC charging machine and various different forms or specification.Such as the form of AC charging machine can be fixed exchange
Charging pile.For another example having converter converting AC into DC inside electric car, can will turn from the electric energy of AC charging machine
Alternating current is changed to charge to vehicle mounted dynamic battery mould group.
The stake end interface analogue unit 2 and vehicle end interface analogue unit 3 are under the control of described control unit 1, under having
State three kinds of working conditions: detection charger working condition, detection charge function working condition, monitoring charging work state.
Detection charger working condition is for detecting whether charger can work normally.Detect charge function work shape
Whether the charge function that state is used to detect electric car is normal.Monitoring charging work state is for detecting charging process.
More specifically, when detecting AC charging machine 200, the stake terminates mouth mold in the case where detecting charger working condition
Quasi-simple member 2 is modeled as electric car end function.It is understood that stake end interface analogue unit 2 is under the control of control unit 1
Electric car end function is modeled as with the program of setting, to detect at various electric car ends, AC charging machine
Whether function meets the requirements.
In the case where detecting charge function working condition, when detecting the AC charging function of electric car 300, the vehicle termination
Mouth analogue unit 3 is modeled as AC charging generator terminal function.
In the case where monitoring charging work state, when monitoring electric vehicle alternating-current charging function, the stake end interface simulation is single
Member 2 and vehicle end interface analogue unit 3 are directly by 8 signal communication of the first charging interface 7 and the second charging interface.Referring to Fig. 1, first
There is direct channel between charging interface 7 and the second charging interface 8.Advantageously, the direct channel is the direct-connected logical of selectivity
Direct-connected conducting is realized under operating condition appropriate or working condition under the control of the control unit in road.
Stake end interface analogue unit 2 and vehicle end interface analogue unit 3 can simulate electric vehicle alternating-current charging detection, monitoring
The various states of charging interface in the process.In order to be used the internal cell of electric car as flexible load, in the present invention,
AC charging machine and the indirect communication of electric car, but equipment has tossed about once through the invention so that AC charging machine and
Electric car can work in the intended manner, to be detected with the program of setting.
That is, stake end interface analogue unit 2 and vehicle end interface analogue unit 3, use when detecting alternating-current charging pile,
Electric vehicle alternating-current charging circuit is simulated, realizes the detection to alternating-current charging pile.Stake end interface analogue unit 2, it is electronic detecting
It is used when automobile AC charging function, analog AC charging pile, realizes the detection to electric vehicle alternating-current charging function.Vehicle termination
Mouthful analogue unit 3 can also be directly connected to stake end interface analogue unit 2, to realize being directly connected to for vehicle end and stake end.When straight
When leading in succession, it is work in monitoring state, audits state.
More specifically, in one embodiment, in the case where detecting charger working condition, the stake end interface analogue unit 2
The control system of electric car or the charging control unit (being hereafter referred to as vehicle-mounted charge control device) on electric car are simulated, and
Directly communicated with AC charging machine 200.Then as needed, the signal of stake end interface analogue unit self-charging in 2 future machine
Vehicle end interface analogue unit 3 is issued again, is further sent to the vehicle-mounted charge control device of electric car；Or self-charging in future
After the signal of machine changes, then vehicle end interface analogue unit 3 is issued, is further sent to the vehicle-mounted charge control of electric car
Device；Alternatively, part signal not issued to the vehicle-mounted charge control device of vehicle end interface analogue unit 3 and electric car.One
In a alternative embodiment, control unit 1 has charging machine testing the program of setting, thus, according to the set procedure, simulation
The vehicle-mounted charge control device of electric car issues various signals to charger.Detect charger for the various signals (CP,
CC signal can indicate many states, for example, SOC state, charging connection state etc. can be fed back) reaction and processing whether
Normally.For example, control unit 1 controls the simulation of stake end interface regardless of the actual battery reserve of electricity state (SOC) of electric car
Unit 2 in a relatively short period of time successively to charger issue SOC=10%, SOC=20%, SOC=30%, SOC=40%,
The signal of SOC=50%, SOC=60%, SOC=70%, SOC=80%, SOC=90%, SOC=95%, SOC=100%；
Detect whether output electric current, output voltage, communication packet of charger etc. meet the requirements of the standard simultaneously.
Detect charge function working condition: when detecting the AC charging function of electric car 300, the vehicle terminates mouth mold
Quasi-simple member 3 is modeled as AC charging generator terminal function.Detection charge function working condition is used to detect the charge function of electric car
It is whether normal.
In the case where detecting charge function working condition, the 3 analog AC charger 200 of vehicle end interface analogue unit, and it is straight
It connects and is communicated with the vehicle-mounted charge control device of electric car.Then as needed, vehicle end interface analogue unit 3 will be from electricity
The signal of the vehicle-mounted charge control device of electrical automobile issues an end interface analogue unit 2 again, and further issues charger；Or
After the signal of vehicle-mounted charge control device from electric car is changed, then issues an end interface analogue unit 2 and fill
Motor；Alternatively, part signal not issued to end interface analogue unit 2 and a charger.In one alternate embodiment, control is single
Member 1 has the charge function detection of electric car the program of setting, thus, according to the set procedure, so that vehicle end interface
3 imitating charger of analogue unit issues various signals to the vehicle-mounted charge control device of electric car.Detect the vehicle of electric car
It is whether normal for the reaction and processing of the various signals to carry battery charge controller.For example, regardless of charger is reality output
How are electric current and voltage, and control unit 1 controls stake end interface analogue unit 2 and vehicle end interface analogue unit 3 in the shorter time
Inside successively to electric car output " electric current=10% rated current ", " electric current=20% rated current ", " electric current=30% is specified
Electric current ", " electric current=40% rated current ", " electric current=50% rated current ", " electric current=60% rated current ", " electric current=
70% rated current ", " electric current=80% rated current ", " electric current=90% rated current ", " electric current=95% rated current ",
The different output current of " electric current=100% rated current ", " electric current=105% rated current "；Electric car is detected simultaneously
The communication signal of vehicle-mounted charge control device sending and charging current, etc., and thus judge the charge function of electric car
It is whether normal.
Monitor charging work state: when monitoring electric vehicle alternating-current charging function, 2 He of stake end interface analogue unit
Vehicle end interface analogue unit 3 is directly by 8 signal communication of the first charging interface 7 and the second charging interface.In this case, stake end
Interface analogue unit 2 and vehicle end interface analogue unit 3 only monitor logical between the first charging interface 7 and the second charging interface 8
Message is interrogated, but the signal between the first charging interface 7 and the second charging interface 8 is not changed.
Alternating-current charging pile end interface analogue unit and AC charging vehicle end interface analogue unit inside apparatus of the present invention can
It works independently under the control of the control unit, can meet the needs of on-site test adjusts bearing power in the process.It is electronic to use
Automobile is possibly realized as load.
That is, in the present invention, exchange is filled in order to use the internal cell of electric car as flexible load
The control leader of motor and electric car and indirect connection, but equipment transfer is primary through the invention, so that directly
Current charge machine and electric car can work in the way of testing and needing.
Pass through the digital signal acquiring function inside the first data acquisition unit 4, the second data acquisition unit and control unit 1
Can, electric car charged state is monitored, its feature is obtained, and pass through the characteristic of crucial moment data, to testing result
It draws a conclusion.Crucial moment for example refers to detection criteria moment point.Digital signal acquiring function inside control unit 1 is for example logical
Internal digital signal acquiring unit or the port I/O is crossed to realize.In one embodiment, the number letter inside control unit 1
Number acquisition function is mainly communicated with stake end interface analogue unit 2 and vehicle end interface analogue unit 3, and obtains digital signal.Control
Unit 1 processed can also obtain signal by other auxiliary data acquisition units.
Electric vehicle alternating-current charging detection device of the invention includes power supply unit 6.The electric vehicle alternating-current charging inspection
Survey device power supply unit 6 include: battery modules 61, battery charging module 62, switch arrays 63, first exchange turn DC Module
64 exchange with second and turn DC Module 65.Power supply unit 6 has battery modules 61, that is to say, that electric car of the invention is handed over
Current charge detection device can be powered using battery, to even if can not can still work from external power supply, whole device.
Advantageously, in an embodiment of the present invention, battery modules 61 are high capacity cell.That is, of the invention
Electric vehicle alternating-current charging detection device passes through the ability for being equipped with high capacity cell and obtaining accessory power supply in alternating-current charging interface,
The device of the invention is worked long hours, without other external power supplys during the test.
In addition, electric vehicle alternating-current charging detection device of the invention can make in 61 internal electric energy deficiency of battery modules
It is the charging of battery modules 61 with the AC energy (electric energy i.e. from tested AC charging machine) in charging gun, city can also be used
Electricity is that battery modules 61 charge；It powers simultaneously for the work of whole device.
Referring to fig. 2, battery modules 61 are connect by battery charging module 62 with switch arrays 63, and first exchange turns straight
Flow module 64 is used to for being electrically accessed in city switch arrays 63, and second exchange turns DC Module 65 for that will come from AC charging machine
Accessory power supply inside 200 accesses switch arrays 63, and the switch arrays 63 use priority policy, only have one in synchronization
Battery charging module 62 described in kind plant-grid connection, charges for the battery modules 61.
Specifically, electric energy required when electric vehicle alternating-current charging detection device work of the invention passes through its power supply list
Battery modules 61 in member 6 provide.In 61 inside electricity abundance of battery modules, entire detection device can be worked normally.?
When 61 internal cell mould group electric energy deficiency of battery modules, it is the charging of battery modules 61, and is by alternating current, tested AC charging machine
Whole device provides required electric energy.
Alternating current turns DC Module (the first AC/DC converter) 64 by the first exchange, accesses switch arrays 63.It is filled in exchange
After motor 200 starts, the accessory power supply inside AC charging machine 200 turns DC Module (the 2nd AC/DC conversion by the second exchange
Device) 65, equally also access switch arrays 63.This two kinds of energy sources pass through the selection of priority policy in switch arrays 63,
Only have a kind of access battery charging module 62 in synchronization, charges for internal battery modules 61.
This flexible power supply acquisition modes, so that detection can carry out for a long time, without providing external power supply.
To solve the problems, such as that the wiring between detection system module is various, the form of first charging interface 7 is charging
Gun platform, suitable for the charging pipette tips cooperation with AC charging machine 200.The form of second charging interface 8 is charging pipette tips, is suitable for
Cooperate with the charging gun platform of electric car 300.
In such a way that charging gun platform and charging pipette tips are direct-connected, external load is connect using charging pipette tips with charging gun platform
Mode, so that being not necessarily to aerial lug.Directly use electric car as external load to easily facilitate.Made using electric car
For the load of detection system, while being able to carry out down detection, the energy consumed comes as the power of electric car
Source is used to transporting equipment and tosses about to arrive other test sites.That is, charge while being detected for electric car,
Detection system is more energy saving.
As mentioned previously, because using actual electric car as load, it is therefore advantageous that, the electric car is handed over
Current charge detection device can be set as the electric vehicle alternating-current charging detection device of hand-held.Detection device of the invention is by institute
Function is needed to be integrated in instrument internal, in addition to load, without other modules.By each functional module in the form of board, it is integrated into
Internal system, and using charge gun platform and charging pipette tips as connection type, so that the connection type of detection is more flexible.So that volume
Relative to conventional inspection systems, it appears extremely exquisite.The electric vehicle alternating-current charging detection device Highgrade integration, so that
While having powerful performance, low-profile is very exquisite.The detection device net weight of one embodiment of the invention only 1.5KG.Make
Hand electric automobile charging equipment is possibly realized.Interface is using charging gun platform and pipette tips, so that equipment is more suitable for live inspection
The demand of survey.
Detection device of the invention is able to use true electric car and is detected, thus with practical application environment one
It causes, is most directly most scientific detection scheme.
Detection device of the invention is between charging pile (electric vehicle alternating-current charging facility) and electric car, Neng Gouzhun
Really acquire all signals in charging process, all data in charging process can be monitored so that charging process monitoring at
It is possible.And the analysis and judgement to charge fault can be realized by the analysis to these data.
For the ease of being attached with external device (ED), the electric vehicle alternating-current charging detection device with network interface and/or
Wireless communication interface.Thus, it is possible to the case where interacting, will test with other external device (ED)s is sent to other external device (ED)s,
And control instruction etc. is received from other external device (ED)s.
That is, the Electric Vehicle's Alternating that the electric vehicle alternating-current charging detection device can be set as hand-held is filled
Electric detection means, and the electric vehicle alternating-current charging detection device has wired network interface and/or wireless communication interface.To
Improve portable performance.
The present invention also provides a kind of electric vehicle alternating-current charging machine testing methods.The electric vehicle alternating-current charging machine testing
Method is detected using above-mentioned electric vehicle alternating-current charging detection device, by first charging interface 7 and AC charging
Machine 200 connects；Second charging interface 8 is connect with electric car 300.
In the detection, described control unit 1 makes at the stake end interface analogue unit 2 and vehicle end interface analogue unit 3
In detection charger working condition, electric signal of the described control unit 1 based on acquisition and with the AC charging machine 200
Communication condition obtains the testing result to the AC charging machine 200.Control unit 1 passes through stake end interface analogue unit 2 and vehicle
End interface analogue unit 3 is communicated with the AC charging machine 200.
In charging detection or charge metering Function detection, described control unit 1 makes the stake end interface analogue unit 2
Monitoring charging work state, electric signal and base of the described control unit 1 based on acquisition are in vehicle end interface analogue unit 3
In the AC charging machine 200 that the stake end interface analogue unit 2 and vehicle end interface analogue unit 3 listen to it is described electronic
The communication condition of automobile is realized the on-site proving to AC charging machine charge metering function, and/or is realized to charge fault
Analysis and judgement.It is specific to analyze and judge that algorithm can according to need setting.
The device of the invention can cooperate electric car to use, using electric car as electric vehicle alternating-current charging charge metering
The load of function on-site proving, it is bulky to remove ohmic load from, inconvenient equal shortcomings.
The device of the invention can also cooperate load (DC load or electric car), it can be achieved that live electrically-charging equipment
The on-site proving of (electric vehicle alternating-current charging machine) charge metering function.
Finally it is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.This
The those of ordinary skill in field is it is understood that be possible to modify the technical solutions described in the foregoing embodiments or right
Part of technical characteristic is equivalently replaced；These are modified or replaceed, and it does not separate the essence of the corresponding technical solution originally
Invent the spirit and scope of each embodiment technical solution.
Claims (9)
1. a kind of electric vehicle alternating-current charging detection device characterized by comprising control unit (1), the simulation of stake end interface are single
First (2), vehicle end interface analogue unit (3), the first data acquisition unit (4), the second data acquisition unit (5), the first charging
Mouth (7) and the second charging interface (8),
First charging interface (7) is suitable for connecting with AC charging machine (200)；
Second charging interface (8) is suitable for connecting with electric car (300)；
First charging interface (7) and the second charging interface (8) are directly connected to by the first Internal cable (403), to carry out
Charging power transmission；
The stake end interface analogue unit (2) is electrically connected by the second Internal cable (404) and first charging interface (7),
The vehicle end interface analogue unit (3) is electrically connected by third Internal cable (405) with second charging interface (8), and institute
An end interface analogue unit (2) and vehicle end interface analogue unit (3) is stated to be controlled by described control unit (1)；
First data acquisition unit (4) acquires the electrical of second Internal cable (404) or third Internal cable (405)
Signal, and the electric signal of acquisition is sent to described control unit (1)；
The electric signal of second data acquisition unit (5) acquisition the first Internal cable (403), and by the electric signal of acquisition
It is sent to described control unit (1).
2. electric vehicle alternating-current charging detection device as described in claim 1, which is characterized in that
Under the stake end interface analogue unit (2) and vehicle end interface analogue unit (3) are controlled in described control unit (1), have
Following three kinds of working conditions:
Detect charger working condition: when detecting AC charging machine (200), the stake end interface analogue unit (2) is modeled as
Electric car end function；
Detect charge function working condition: when detecting the AC charging function of electric car (300), the vehicle end interface simulation
Unit (3) is modeled as AC charging generator terminal function；
Monitor charging work state: when monitoring electric vehicle alternating-current charging function, the stake end interface analogue unit (2) and vehicle
End interface analogue unit (3) is directly by the first charging interface (7) and the second charging interface (8) signal communication.
3. electric vehicle alternating-current charging detection device as described in claim 1, which is characterized in that the Electric Vehicle's Alternating is filled
The power supply unit (6) of electric detection means includes: battery modules (61), battery charging module (62), switch arrays (63), the first friendship
Circulation DC Module (64) is exchanged with second turns DC Module (65),
Wherein, the battery modules (61) are connect by battery charging module (62) with switch arrays (63), first exchange
Turn DC Module (64) for city to be electrically accessed switch arrays (63), second exchange turns DC Module (65) for that will come from
The internal accessory power supply of AC charging machine (200) accesses switch arrays (63), and the switch arrays (63) use priority policy,
Only have battery charging module (62) described in a kind of plant-grid connection in synchronization, charges for the battery modules (61).
4. electric vehicle alternating-current charging detection device as described in claim 1, which is characterized in that first charging interface
(7) form is charging gun platform, is suitable for cooperating with the charging pipette tips of AC charging machine (200)；Second charging interface (8)
Form is charging pipette tips, is suitable for cooperating with the charging gun platform of electric car (300).
5. electric vehicle alternating-current charging detection device as described in claim 1, which is characterized in that
The electric signal of first data acquisition unit (4) acquisition includes: charging control signal and connecting detection signal；
The electric signal of second data acquisition unit (5) acquisition includes: the first charging interface (7) and the second charging interface
(8) AC charging phase voltage and phase current.
In the charging of charging control signal and the connecting detection signal, that is, voltage of CP and CC relative to PE (the earth), i.e. regular alternating current
Agreement line.
6. electric vehicle alternating-current charging detection device according to any one of claims 1 to 5, which is characterized in that described electronic
Automobile AC charging detection device is the electric vehicle alternating-current charging detection device of hand-held, and the Electric Vehicle's Alternating is filled
Electric detection means has wired network interface and/or wireless communication interface.
7. a kind of electric vehicle alternating-current charging machine testing method, which is characterized in that using as described in any one of claim 1-6
Electric vehicle alternating-current charging detection device is detected, and first charging interface (7) is connect with AC charging machine (200)；
Second charging interface (8) is connect with electric car (300).
8. electric vehicle alternating-current charging machine testing method as claimed in claim 7, which is characterized in that described control unit (1)
So that the stake end interface analogue unit (2) and vehicle end interface analogue unit (3) are in detection charger working condition, the control
Electric signal of the unit (1) processed based on acquisition and the communication condition with the AC charging machine (200), obtain to the exchange
The testing result of charger (200).
9. electric vehicle alternating-current charging machine testing method as claimed in claim 7, which is characterized in that described control unit (1)
So that the stake end interface analogue unit (2) and vehicle end interface analogue unit (3) are in monitoring charging work state, the control
Electric signal of the unit (1) based on acquisition and it is based on the stake end interface analogue unit (2) and vehicle end interface analogue unit (3)
The communication condition of AC charging machine (200) and the electric car that listen to is realized to AC charging machine charge metering
The on-site proving of function, and/or realize analysis and judgement to charge fault.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910175577.9A CN109823209A (en) | 2019-03-08 | 2019-03-08 | Electric vehicle AC charging detection device and corresponding AC charger detection method |
| PCT/CN2019/087476 WO2020181657A1 (en) | 2019-03-08 | 2019-05-17 | Electric automobile alternating-current charging detection device and corresponding alternating-current charger detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910175577.9A CN109823209A (en) | 2019-03-08 | 2019-03-08 | Electric vehicle AC charging detection device and corresponding AC charger detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109823209A true CN109823209A (en) | 2019-05-31 |
Family
ID=66865743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910175577.9A Pending CN109823209A (en) | 2019-03-08 | 2019-03-08 | Electric vehicle AC charging detection device and corresponding AC charger detection method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109823209A (en) |
| WO (1) | WO2020181657A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113110013A (en) * | 2021-04-02 | 2021-07-13 | 山西汾西重工有限责任公司 | Delay time testing arrangement |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791533A (en) * | 2021-01-26 | 2022-07-26 | 海南国测数据技术有限公司 | Metering error calculation method and device applied to direct-current charging pile cluster |
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| Publication number | Publication date |
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| WO2020181657A1 (en) | 2020-09-17 |
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