CN116184875A - Electric automobile simulator design and use method based on inverter technology - Google Patents
Electric automobile simulator design and use method based on inverter technology Download PDFInfo
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- CN116184875A CN116184875A CN202211542780.3A CN202211542780A CN116184875A CN 116184875 A CN116184875 A CN 116184875A CN 202211542780 A CN202211542780 A CN 202211542780A CN 116184875 A CN116184875 A CN 116184875A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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Abstract
The invention discloses an electric automobile simulator design based on an inverter technology and a use method thereof, and the electric automobile simulator design comprises a front-end interaction module, a central control module, an information acquisition module, a communication transmission module and an inversion load module, wherein the front-end interaction module is used for selecting functions and displaying data, the central control module is used for controlling and running the states of other modules of a simulator system and a processing system, the information acquisition module is used for collecting circuit data of the simulator, the communication transmission module is used for controlling data signals between the module and all other devices, and the inversion load module is used for realizing a simulator charging function and a fault simulation function in multiple modes. The invention utilizes the alternating current inversion simulator to complete the design of the electric automobile simulator, can realize the complete charging process of the electric automobile, detects the function of the charging pile, improves the flexibility of the system from the aspect of hardware, and ensures that the function detection of the charging pile of the automobile is more flexible.
Description
Technical Field
The invention relates to the technical field of charging pile testing systems, in particular to an electric automobile simulator design based on an inverter technology and a use method thereof.
Background
Currently, ac car simulators are used to detect the charging function of an ac charging pile, and ac car simulators currently on the market mainly detect the charging function of the charging pile by using a resistor as a load. However, the use of the resistor has high energy consumption, cannot support the detection of the safety protection function, can only detect partial low-power charging piles, and has high potential safety hazard, so that the development of an alternating current electric automobile simulator based on the inverter technology is urgent.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electric automobile simulator design based on an inverter technology and a use method thereof, wherein the system enables a charging pile detection system to be more flexible, improves the application range of the charging pile detection system, supports safety protection function detection, avoids potential safety hazards caused by the fact that a traditional resistor is used as a load, improves the flexibility of detecting the charging pile of an alternating current electric automobile simulator, can detect charging piles with different powers, is convenient to detach and replace parts, greatly reduces detection cost, reduces energy consumption and improves detection efficiency.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides an electric automobile simulator design based on dc-to-ac converter technique, includes front end interactive module, central control module, information acquisition module, communication transmission module and contravariant load module, front end interactive module is used for selecting function and data display, central control module is arranged in control operation simulator system, processing system information, adjust other module states of simulator, information acquisition module is arranged in collecting simulator circuit data, communication transmission module is used for the data signal between control module and all other equipment, contravariant load module is used for realizing the simulator function of charging and the fault simulation function of multiple mode.
As an improvement, the front-end interaction module uses a capacitive screen to realize functions such as simulator function selection, current simulator circuit data display, simulator working state, charging pile test results and the like.
As an improvement, the central control module processes information of each module by using an independently developed control module, and maintains the effective and stable operation of the whole simulator.
As an improvement, the information acquisition module collects the circuit information in the simulator in real time and transmits the information to the central control module for processing.
As an improvement, the communication transmission module adopts CAN communication, RS485 and other communication modes to realize data signal exchange among the modules.
The invention also provides an electric automobile simulator design based on the inverter technology and a use method thereof, wherein the method comprises the following steps: step 1: determining a current working mode of the inverter through a front-end interaction module;
step 2: the data is transmitted to the central control module through the communication transmission module, the central control module sets the working mode of the simulator according to the information flow, and corresponding information is sent to the inversion load module.
Step 3: the inversion load module enters a charging process according to the information of the central control module, and simulates the charging process of the alternating-current electric vehicle by the charging pile;
step 4: in the charging process, information of the front-end interaction module is received in real time, the simulator simulates faults and an emergency stop function in the charging process, and after corresponding fault simulation is executed, if the charging pile is not interrupted to stop charging, the simulator is required to actively conduct power-off processing.
Step 5: the alternating current electric automobile simulator collects circuit information through the information collection module, the alternating current simulator output by the charging pile is collected through the information collection module by the inversion load module, the current simulator state is judged according to the circuit information, and corresponding processing is executed. When the output current and voltage of the load module have larger phase difference with rated current and voltage set in the front-end interaction module, the inverter load module is judged to be in fault, and the charging flow is interrupted at the moment. When the emergency stop button is pressed during the charging process, the simulator immediately stops the charging.
Step 6: after the test of the charging pile is completed, the central control module displays the test result on the front-end interaction module.
As an improvement, the selection of the operation mode in the step 2: electric automobile simulators based on inverter technology have two modes of operation: the test mode is used for testing a certain function of the charging pile and needs manual operation of a tester; the factory mode is used for testing the charging piles in batches, so that automatic testing can be realized, and a test result can be given.
The testing process of the charging pile in the charging process in the step 4 comprises the following steps:
step 4-1: in the charging state, each item of data of the simulator circuit system is updated in real time through an information acquisition module, fault simulation is triggered in sequence according to simulator setting, and whether the function of the charging pile is normal is judged according to circuit information;
step 4-2: if communication between the central control module and the information acquisition module, the inversion load module or other modules is lost in the charging process, the fault of the simulator is judged at the moment, and charging is immediately interrupted.
Compared with the prior art, the invention has the advantages that:
1. the invention can make the alternating current electric vehicle simulator of the charging pile detection system more flexible, improve the application range of the alternating current electric vehicle simulator charging pile detection system, avoid the potential safety hazard caused by taking the traditional resistor as a load, and improve the flexibility of charging pile detection.
2. Can detect the electric pile that fills of multiple model, conveniently dismantle and change spare part, very big reduction detection cost, improvement detection efficiency.
Drawings
Fig. 1 is a flow chart of the method of the present invention.
FIG. 2 is a schematic diagram of the function of the simulator of the present invention.
FIG. 3 is a schematic diagram of the circuit of the charging stake and simulator of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2 and 3, the invention provides an electric automobile simulator design based on inverter technology and a use method thereof. The front-end interaction module is used for selecting functions and displaying data. The central control module is used for controlling and running the simulator system, processing information in the system and adjusting states of other modules of the simulator. The information acquisition module is used for collecting simulator circuit data, the communication transmission module is used for controlling data signals between the module and all other devices, and the inversion load module is used for realizing a simulator charging function and a fault simulation function in multiple modes.
As shown in fig. 2, the electric automobile simulator based on the inverter technology of the present invention has two operation modes: test mode and factory mode. The test mode is used for testing a certain function of the charging pile, and a tester needs to manually operate the charging pile; the factory mode is used for testing the charging piles in batches, so that automatic testing can be realized, and a test result can be given.
The central control module of the invention processes and corresponds to the information of each module by using an independently developed control module, and maintains the effective and stable operation of the whole simulator.
The communication transmission module adopts CAN communication, RS485 and communication modes to realize data signal exchange among the modules.
As shown in fig. 1, the invention provides a method for using an electric automobile simulator design based on inverter technology, which comprises the following steps:
s1: determining a current working mode of the inverter through a front-end interaction module;
s2: the data are transmitted to the central control module through the communication transmission module, the central control module sets the working mode of the simulator according to the information flow, and corresponding information is sent to the inversion load module;
s3: the inversion load module enters a charging process according to the information of the central control module, and simulates the charging process of the charging pile on the electric automobile;
s4: in the charging process, information of a front-end interaction module is received in real time, a simulator simulates faults and an emergency stop function (the simulator simulates LN leakage, PE leakage, overcurrent charging and other operations) in the charging process, and after corresponding fault simulation is executed, if a charging pile does not stop charging, the simulator is required to actively perform power-off processing;
s5: the alternating current electric automobile simulator collects the alternating current circuit information output by the charging pile through the information collecting module, the circuit information inversion load module judges the current simulator state according to the circuit information, and corresponding processing is executed. When the output current and voltage of the load module have larger phase difference with rated current and voltage set in the front-end interaction module, the inverter load module is judged to be in fault, and the charging flow is interrupted at the moment. When the emergency stop button is pressed during the charging process, the simulator immediately stops the charging.
S6: as shown in fig. 1, after the test of the charging pile is completed, the central control module displays the test result on the front-end interaction module.
As shown in fig. 1, the ac electric vehicle simulator based on the inverter technology in step S2 of the present invention has two operation modes: the test mode is used for testing a certain function of the charging pile and needs manual operation of a tester; the factory mode is used for testing the charging piles in batches, so that automatic testing can be realized, and a test result can be given.
The testing process of the charging pile in the charging process in the step S4 comprises the following steps:
a) And in the charging state, various data of the simulator circuit system are updated in real time through the information acquisition module, fault simulation is triggered sequentially according to the simulator setting, and whether the function of the charging pile is normal is judged by taking the circuit information as a basis.
B) If communication between the central control module and the information acquisition module, the inversion load module or other modules is lost in the charging process, the fault of the simulator is judged at the moment, and charging is immediately interrupted.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (8)
1. The utility model provides an electric automobile simulator design based on dc-to-ac converter technique, includes front end interactive module, central control module, information acquisition module, communication transmission module and contravariant load module, its characterized in that: the front-end interaction module is used for selecting functions and displaying data, the central control module is used for controlling running of simulator systems, processing information in the systems and adjusting states of other modules of the simulators, the information acquisition module is used for collecting circuit data of the simulators, the communication transmission module is used for controlling data signals between the modules and all other devices, and the inversion load module is used for achieving multiple modes of simulator charging functions and fault simulation functions.
2. The electric vehicle simulator design based on inverter technology of claim 1, wherein: the front-end interaction module uses the capacitive screen to realize functions such as simulator function selection, current simulator circuit data display, simulator working state, charging pile test result and the like.
3. The electric vehicle simulator design based on inverter technology of claim 1, wherein: the central control module processes information of each module by using an independently developed control module, and maintains effective and stable operation of the whole simulator.
4. The electric vehicle simulator design based on inverter technology of claim 1, wherein: the information acquisition module collects circuit information in the simulator in real time and transmits the information to the central control module for processing.
5. The electric vehicle simulator design based on inverter technology of claim 1, wherein: the communication transmission module adopts communication modes such as CAN communication and RS485 to realize data signal exchange among the modules.
6. The method for using an electric automobile simulator design based on inverter technology according to claims 1-5, characterized in that: the method comprises the following steps:
step 1: determining a current working mode of the inverter through a front-end interaction module;
step 2: the data is transmitted to the central control module through the communication transmission module, the central control module sets the working mode of the simulator according to the information flow, and corresponding information is sent to the inversion load module.
Step 3: the inversion load module enters a charging process according to the information of the central control module, and simulates the charging process of the charging pile on the electric automobile;
step 4: : in the charging process, information of the front-end interaction module is received in real time, the simulator simulates faults and an emergency stop function in the charging process, and after corresponding fault simulation is executed, if the charging pile is not interrupted to stop charging, the simulator is required to actively conduct power-off processing.
Step 5: the alternating current electric automobile simulator collects circuit information through the information collection module, the alternating current simulator output by the charging pile is collected through the information collection module by the inversion load module, the current simulator state is judged according to the circuit information, and corresponding processing is executed. When the output current and voltage of the load module have larger phase difference with rated current and voltage set in the front-end interaction module, the inverter load module is judged to be in fault, and the charging flow is interrupted at the moment. When the emergency stop button is pressed during the charging process, the simulator immediately stops the charging.
Step 6: after the test of the charging pile is completed, the central control module displays the test result on the front-end interaction module.
7. The method for using an electric vehicle simulator design based on inverter technology of claim 6, wherein: the selection of the working mode in the step 2: electric automobile simulators based on inverter technology have two modes of operation: the test mode is used for testing a certain function of the charging pile and needs manual operation of a tester; the factory mode is used for testing the charging piles in batches, so that automatic testing can be realized, and a test result can be given.
8. The method for using an electric automobile simulator design based on inverter technology according to claim 1, wherein: the testing process of the charging pile in the charging process in the step 4 comprises the following steps:
step 4-1: in the charging state, each item of data of the simulator circuit system is updated in real time through an information acquisition module, fault simulation is triggered in sequence according to simulator setting, and whether the function of the charging pile is normal is judged according to circuit information;
step 4-2: if communication between the central control module and the information acquisition module, the inversion load module or other modules is lost in the charging process, the fault of the simulator is judged at the moment, and charging is immediately interrupted.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117590116A (en) * | 2023-11-16 | 2024-02-23 | 南京能可瑞科技有限公司 | DC configurable power load test method and device based on inversion technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117590116A (en) * | 2023-11-16 | 2024-02-23 | 南京能可瑞科技有限公司 | DC configurable power load test method and device based on inversion technology |
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