CN106093664B - Conduction charging test system for electric automobile - Google Patents
Conduction charging test system for electric automobile Download PDFInfo
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- CN106093664B CN106093664B CN201610626012.4A CN201610626012A CN106093664B CN 106093664 B CN106093664 B CN 106093664B CN 201610626012 A CN201610626012 A CN 201610626012A CN 106093664 B CN106093664 B CN 106093664B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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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
Abstract
An electric vehicle conduction charge test system, comprising: the vehicle control simulation device is used for being connected with the charging equipment to be tested, and outputting signal sets of all the contacts respectively, wherein the signal sets of all the contacts comprise: a set of voltage and/or current information; the vehicle control simulation device comprises a vehicle simulation circuit, wherein a variable resistor is arranged between a detection point and a protective ground in the vehicle simulation circuit; the battery simulation device is connected with the vehicle control simulation device and outputs a simulated battery state signal; and the controller is respectively connected with the vehicle control simulation device and the battery simulation device and is used for receiving the signal set of each contact and the simulated battery state signal, analyzing the signal set of each contact and the simulated battery state signal and obtaining an analysis result. Furthermore, the method can test the charging process of simulating different vehicles, thereby realizing the conduction charging interoperability test of the electric vehicle.
Description
Technical Field
The invention relates to the field of detection of charging equipment, in particular to a conduction charging test system of an electric automobile.
Background
Because of the advantages of energy conservation and environmental protection, electric automobiles are being developed in many countries. Meanwhile, the economy of China is rapidly developed, the energy consumption is large, and the environmental problem is increasingly prominent. Thus, the electric automobile industry has been rapidly developed. The electric vehicle charging facilities serving as the electric vehicle supporting system are rapidly developed, and the electric vehicle charging facilities conduct charging to become the main stream of electric vehicle energy supply.
At present, the conduction charging facilities of the electric automobile do not have proper professional equipment for detection, but at present, most of the conduction charging facilities adopt type experiments or factory detection, but because of the difference of understanding of each manufacturer to the charging standard, the interfaces of the electric automobiles of different types are slightly different in time sequence and communication protocol, and the situation that one type of vehicle passes the charging test and the other type of vehicle cannot be charged smoothly often occurs. Because of the singleness of the electric vehicle charging facility test, interoperability (Interoperability) between the charging facility and the electric vehicle cannot be tested, so that the electric vehicle charging facility is likely to have poor universality for charging the electric vehicle in practical application, and unexpected risks can be encountered. Interoperability testing of electric vehicle conduction charging is particularly important in electric vehicle charging facility testing.
Therefore, how to conduct the electric vehicle conduction charging interoperability test to ensure the universality of the charging facilities is a problem to be solved.
Disclosure of Invention
The invention aims to solve the technical problem of conducting and charging interoperability test of the electric automobile.
To this end, according to a first aspect, an embodiment of the present invention provides an electric vehicle conduction charge test system, including:
the vehicle control simulation device is used for being connected with the charging equipment to be tested, outputting signal sets of all contacts respectively, wherein the signal sets of all contacts comprise: a set of voltage and/or current information; the vehicle control simulation device comprises a vehicle simulation circuit, wherein a variable resistor is arranged between a detection point and a protective ground in the vehicle simulation circuit; the battery simulation device is connected with the vehicle control simulation device and outputs a simulated battery state signal; and the controller is respectively connected with the vehicle control simulation device and the battery simulation device and is used for receiving the signal set of each contact and the simulated battery state signal, analyzing the signal set of each contact and the simulated battery state signal and obtaining an analysis result.
Preferably, the battery simulation apparatus includes: the adjustable load is used for simulating the load change of the battery so as to adjust the state of the simulated battery; and the battery voltage simulation module outputs a simulated battery state signal.
Preferably, the detection point includes: the first detection point of the charging connection confirmation end of the charging equipment to be tested is arranged between the charging connection confirmation end of the charging equipment to be tested and the protection ground; the variable resistor is arranged between a charging confirmation end of the charging equipment to be tested and the protection ground.
Preferably, the vehicle control simulation device includes: and the insulation detection circuit is used for testing the insulation performance of the charging equipment to be tested.
Preferably, the insulation detection circuit includes: a first insulation resistor and a second insulation resistor; the first insulation resistor and the second insulation resistor are respectively resistors with adjustable sizes.
Preferably, the electric vehicle conduction charge test system further includes: the signal acquisition device is respectively connected with the vehicle control simulation device, the battery simulation device and the controller and is used for acquiring the signal set of each contact and the simulated battery state signal and sending the signal set of each contact and the simulated battery state signal to the controller.
Preferably, the electric vehicle conduction charge test system further includes: the signal conversion device is arranged between the signal acquisition device and the controller and is used for respectively converting the signal set of each contact and the analog battery state signal into digital signals.
Preferably, the electric vehicle conduction charge test system further includes: a storage device and/or a display device, wherein the storage device is used for storing analysis results; the display device is used for displaying the analysis result.
According to the method and the system for testing the conduction and charging interoperability of the electric automobile, provided by the embodiment of the invention, the variable resistor is arranged between the detection point of the vehicle simulation circuit in the vehicle control simulation device and the protection ground, the current and/or voltage of each contact can be changed by adjusting the variable resistor, the current and/or voltage information set of each contact is output, meanwhile, the battery simulation device outputs the battery state signal, and the controller is connected with the current and/or voltage information set of each contact and the battery state signal and analyzes and obtains the analysis result. In the charging process, whether the current and the voltage of each contact and the simulated battery meet the standard requirements can be analyzed through the change of the current and the voltage of each contact; and then, the charging process of simulating different vehicles can be tested, so that the conduction charging interoperability test of the electric vehicle is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram showing an electric vehicle conduction charge test system according to embodiment 1 of the present invention;
fig. 2 shows a schematic diagram of a vehicle simulation circuit of embodiment 1 of the present invention;
fig. 3 is a schematic diagram showing an electric vehicle conduction charge test system according to embodiment 1 of the present invention;
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment of the invention provides an electric automobile conduction charging test system, as shown in fig. 1, which comprises: a vehicle control simulation device 10, a battery simulation device 20, and a controller 30, wherein:
the vehicle control simulation device 10 includes a vehicle simulation circuit 11, and at least one variable resistor is provided between a detection point in the vehicle simulation circuit 11 and a protection ground; the vehicle control simulation device 10 is configured to be connected to a charging apparatus 40 to be tested, and output signal sets of contacts, respectively, where the signal sets of contacts include: voltage information and/or current information sets. In a specific embodiment, as shown in fig. 2, the vehicle simulation circuit 11 may include: the vehicle charging system comprises a direct current power supply positive electrode circuit and a battery positive electrode circuit DC+, a direct current power supply negative electrode circuit and a battery negative electrode circuit DC-, a first charging communication circuit S+, a second charging communication circuit S-, a charging connection confirmation circuit CC1 of a charging device under test 40, a vehicle charging connection confirmation circuit CC2, a low-voltage auxiliary power supply positive electrode circuit A+, a low-voltage auxiliary power supply negative electrode circuit A-, which can be 12V or 24V, a protection grounding circuit PE, a first switch K1 arranged between the direct current power supply positive electrode circuit and the battery positive electrode circuit DC+, a second switch K2 arranged between the direct current power supply negative electrode circuit and the battery negative electrode circuit DC-, a third switch K3 arranged between the low-voltage auxiliary power supply positive electrode circuit of the charging device under test and the low-voltage auxiliary power supply positive electrode circuit A+ of a wheel, a first switch K4 arranged between the charging connection confirmation circuit CC1 of the charging device under test 40 and the protection grounding circuit PE, a variable resistor R1 arranged between the charging connection confirmation circuit CC1 of the charging device under test and the protection grounding circuit PE, and a variable resistor R1 arranged between the variable resistor R1 and a variable resistor arranged between the variable resistor and the variable resistor PE 2 and a variable resistor connected to the variable resistor PE.
In the present embodiment, each contact of the so-called vehicle analog circuit 11 may include: the charging device comprises a direct current power supply positive electrode circuit, a battery positive electrode circuit DC+ contact, a direct current power supply negative electrode circuit, a battery negative electrode circuit DC-contact, a first charging communication circuit S+ contact, a second charging communication circuit S-contact, a charging connection confirmation circuit CC1 contact of the charging device 40 to be tested, a vehicle charging connection confirmation circuit CC2 contact, a low-voltage auxiliary power supply positive electrode circuit A+ contact, a low-voltage auxiliary power supply negative electrode circuit A-contact, a protection grounding circuit PE contact, and a first switch K1, a second switch K2, a third switch K3, a fourth switch K4, a charging confirmation analog switch S, current signals and/or voltage signals of a first detection point and a second detection point. In this embodiment, signal indicator lamps may be installed on each contact, so as to monitor the state of each contact in real time. The signal set of each contact includes a set of voltage and/or current information, and specifically, the signal set of each contact may be formed by collecting a set of voltage and/or current information of any contact.
The battery simulation device 20 is connected to the vehicle control simulation device 10, and outputs a battery state signal. In this embodiment, the state signal of the battery may include a voltage signal of the battery and a current signal of the battery. In a specific embodiment, the battery simulation device may also output battery charge demand parameters to the controller 30.
The controller 30 is connected to the vehicle control simulator 10 and the battery simulator 20, and is configured to receive the signal set and the battery status signal of each contact, analyze the signal set and the battery status signal of each contact, and obtain an analysis result. In a specific embodiment, the controller 30 may communicate with the charging device under test 40 through the vehicle control simulation apparatus 10, and send the battery charging demand parameter to the charging device under test 40. The controller 30 may be provided with simulation software for managing batteries, such as a virtual BATTERY management system (BATTERY MANAGEMENT SYSTEM, BMS) or the like, for transmitting a start-charging instruction to control the charging device under test 40 to start operating through the vehicle control simulation device, and the controller 30 may be further configured to transmit an end signal for indicating the end of charging under a condition for stopping charging specified according to a preset rule or standard, such as GB/T18487.1, to control the charging device under test 40 to stop operating, for example, when the controller 30 may detect that the charging current is less than 5A, to transmit an end signal for indicating the end of charging to control the charging device under test 40 to stop operating. The controller 30 may analyze the received signal set of each contact and the battery status signal using the battery management system simulation software, and compare the analysis result with a preset rule or standard to obtain a comparison result.
In this embodiment, during the charging process, when the resistance in the charging confirmation circuit of the charging facility is changed through the variable resistor R1, the working condition of the charging device to be tested can be simulated through the battery simulation device 20, and the voltage and current of the battery and the charging requirements of different batteries can be simulated through the first switch K1, the second switch K2, the third switch K3 and the fourth switch K4. The comparison result is obtained by simulating the above-mentioned various conditions during the charging process and collecting the signal sets of the contacts and the state signals of the battery when the various conditions occur and comparing with a preset rule or standard such as the standard in GB/T18487.1.
A variable resistor is arranged between a detection point of a vehicle simulation circuit in the vehicle control simulation device and a protection ground, the vehicle control simulation device is connected with charging equipment to be tested, a signal set of each contact is output, and the signal set of each contact comprises a voltage and/or current information set; the battery simulation device is connected with the vehicle control simulation device and outputs a battery state signal; the controller is respectively connected with the vehicle control simulation device and the battery simulation device, receives the signal sets and the battery state signals of all the contacts, and obtains analysis results of the signal sets and the battery state signals of all the contacts. And in the charging process, the variable resistor is regulated, a signal set of each contact and a battery state signal are acquired and analyzed, and a rule or standard comparison is preset to obtain a comparison result. The method can simulate the test of the charging facility to be tested on the charging processes of different vehicles, thereby realizing the conduction charging interoperability test of the electric vehicle.
In a preferred embodiment, the battery simulation device 20 may further include an adjustable load 21 and a battery voltage simulation module 22, wherein the adjustable load 21 is used for simulating a battery load change to adjust a battery state, in this embodiment, the adjustable load 21 may be a resistive load or an electronic load, and meanwhile, the adjustable load 21 may be provided with a heat dissipation system, and a manual control panel for adjusting a load value and a display device for observing a current and a voltage of the battery simulation device, and in the process of simulating the battery device to simulate the charging, the change of the internal resistance of the battery during the charging process is simulated by adjusting the adjustable load 21. The battery voltage analog module 22 is used for outputting a battery state signal. Different battery charging demand parameters can be simulated by the adjustable load and battery voltage module.
To ensure the comprehensiveness of the testing of the electric vehicle conduction charge test system while ensuring the safe use of the charging facility to be tested, in a preferred embodiment, the vehicle control simulation apparatus 10 may further include: an insulation detection circuit 12 for detecting insulation performance of the charging device to be tested. Specifically, the insulation detection circuit 12 includes: a first insulation resistor R3 placed between the positive circuit dc+ of the direct current source and the protection earth circuit PE and a second insulation resistor R4 placed between the negative circuit DC-of the direct current source and the protection earth circuit PE. Preferably, a fifth switch K5 is provided between the first insulation resistor R3 and the protection ground circuit, and a sixth switch K6 is provided between the second insulation resistor R4 and the protection ground circuit. The fifth switch K5 and the sixth switch K6 are used to open the insulation detection circuit after the insulation detection of the device under test 40 is completed. Preferably, the first insulation resistor R3 and the second insulation resistor R4 are resistors with adjustable magnitudes, for example, the adjustable range of the insulation resistor can be 40kΩ -260kΩ.
In a preferred embodiment, the electric vehicle conduction charging system may further include: the signal acquisition device 50 is respectively connected with the vehicle control simulation device 10, the battery simulation device 20 and the controller 30, and is used for acquiring signal sets and battery state signals of all contacts in the vehicle control simulation device and sending the signal sets and the battery state signals of all contacts to the controller.
Because the signal set and the battery state signal of each contact that gathers are analog quantity signal, probably have the distortion in transmission process, and adopt digital signal to transmit, reducible signal distortion, in order to guarantee the accuracy of test, in preferred embodiment, electric motor car conduction charging system can also include: the signal conversion device 60, the signal conversion device 60 is disposed between the signal acquisition device 50 and the controller 30, for converting the signal set of each contact and the battery status signal into digital signals. In a specific embodiment, the signal conversion device 60 may perform signal conversion for a power analyzer or a wave recorder, etc., convert the signal set and the battery state signal of each contact acquired by the signal acquisition device 50 into digital signals, and the signal acquisition device displays various signal states and sends the signals to the controller 30 through, for example, a CAN communication interface or a 485 communication interface, and the controller 30 restores the digital signals into voltage signals and current signals.
In a preferred embodiment, the electric vehicle conduction charge interoperation test system may further include: a storage device 70 and/or a display device 80, wherein the storage device 70 is connected with the controller 30 for storing analysis results for archiving and convenient querying by a user. The display device 80 may be connected to the storage device 70 or the controller 30, for displaying the analysis result, so as to display the test result in real time, for example, may display the measurement data and the waveform chart in real time, and may generate a WORD or EXCEL version report, so as to facilitate the user to view.
At least one variable resistor is arranged between a detection point of a vehicle simulation circuit in the vehicle control simulation device and a protection ground, the vehicle control simulation device is connected with charging equipment to be tested, a signal set of each contact is output, and the signal set of each contact comprises a voltage and/or current information set; the battery simulation device is connected with the vehicle control simulation device and outputs a battery state signal; the controller is respectively connected with the vehicle control simulation device and the battery simulation device, receives the signal set and the battery state signal of each contact, the signal set and the battery state signal of each contact obtain analysis results, and meanwhile, each switch can simulate faults in the charging process. Furthermore, the test of simulating the charging facilities to be tested on the charging processes of different vehicles and the simulation of various charging faults can be realized, so that the conduction charging interoperability test of the electric vehicle is realized.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.
Claims (5)
1. An electric vehicle conduction charge test system, comprising:
the vehicle control simulation device is used for being connected with the charging equipment to be tested and respectively outputting signal sets of all the contacts, wherein the signal sets of all the contacts comprise voltage and/or current information sets; the vehicle control simulation device comprises a vehicle simulation circuit, wherein a variable resistor is arranged between a first detection point in the vehicle simulation circuit and a protection grounding circuit PE;
the battery simulation device is connected with the vehicle control simulation device and outputs a simulated battery state signal;
the controller is respectively connected with the vehicle control simulation device and the battery simulation device and is used for receiving the signal set of each contact and the simulated battery state signal, analyzing the signal set of each contact and the simulated battery state signal and obtaining an analysis result;
the vehicle simulation circuit includes: a direct current power supply positive electrode circuit and a battery positive electrode circuit DC+, a direct current power supply negative electrode circuit and a battery negative electrode circuit DC-, a first charging communication circuit S+, a second charging communication circuit S-, a charging device to be tested charging connection confirmation circuit CC1, a vehicle charging connection confirmation circuit CC2, a low voltage auxiliary power supply positive electrode circuit A+, a low voltage auxiliary power supply negative electrode circuit A-, a protection grounding circuit PE, and a first switch K1 arranged between the direct current power supply positive electrode circuit and the battery positive electrode circuit DC+, a second switch K2 arranged between the direct current power supply negative electrode circuit and the battery negative electrode circuit DC-, a third switch K3 arranged between the low voltage auxiliary power supply positive electrode circuit of the charging device to be tested and the battery negative electrode circuit A+, a fourth switch K4 arranged between the low voltage auxiliary power supply negative electrode circuit of the charging device to be tested and the vehicle, a variable resistor R1 arranged between the charging device to be tested charging connection confirmation circuit CC1 and the protection grounding circuit PE, and a variable resistor R2 arranged between the variable resistor R1 and a first end of the charging device to be tested charging connection confirmation circuit and a second end of the variable resistor PE 2 arranged between the variable resistor R and the first end of the charging connection confirmation circuit;
the vehicle control simulation device further includes: the insulation detection circuit is used for detecting the insulation performance of the charging equipment to be detected;
the insulation detection circuit includes: a first insulation resistor R3 arranged between the positive electrode circuit of the direct current power supply and the battery positive electrode circuit DC+ and the protection grounding circuit PE, and a second insulation resistor R4 arranged between the negative electrode circuit of the direct current power supply and the battery negative electrode circuit DC-and the protection grounding circuit PE;
a fifth switch K5 is arranged between the first insulation resistor R3 and the protection grounding circuit PE, and a sixth switch K6 is arranged between the second insulation resistor R4 and the protection grounding circuit PE;
the fifth switch K5 and the sixth switch K6 are used for turning off the insulation detection circuit after the insulation detection of the device to be tested is completed.
2. The electric vehicle conduction charge test system of claim 1, wherein said battery simulation means comprises: the adjustable load is used for simulating the load change of the battery so as to adjust the state of the simulated battery;
and the battery voltage simulation module outputs the simulated battery state signal.
3. The electric vehicle conduction charge test system of claim 1, further comprising:
the signal acquisition device is respectively connected with the vehicle control simulation device, the battery simulation device and the controller and is used for acquiring the signal sets of the contacts and the simulated battery state signals and sending the signal sets of the contacts and the simulated battery state signals to the controller.
4. The electric vehicle conduction charge test system of claim 3, further comprising:
and the signal conversion device is arranged between the signal acquisition device and the controller and is used for respectively converting the signal sets of the contacts and the analog battery state signals into digital signals.
5. The electric vehicle conduction charge test system of any one of claims 1-4, further comprising a storage device and/or a display device, wherein the storage device is configured to store the analysis result; the display device is used for displaying the analysis result.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610626012.4A CN106093664B (en) | 2016-08-01 | 2016-08-01 | Conduction charging test system for electric automobile |
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| CN201610626012.4A CN106093664B (en) | 2016-08-01 | 2016-08-01 | Conduction charging test system for electric automobile |
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| CN106093664B true CN106093664B (en) | 2023-06-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108181522A (en) * | 2017-12-01 | 2018-06-19 | 国网北京市电力公司 | The filed detection system of AC charging facility |
| CN111999579B (en) * | 2020-08-14 | 2023-10-31 | 山东鲁软数字科技有限公司智慧能源分公司 | Automatic detection system and method for charging pile |
| CN115129028A (en) * | 2022-06-27 | 2022-09-30 | 一汽奔腾轿车有限公司 | Automatic IOP test system |
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