CN215005639U - Automatic test system of vehicle-mounted charger - Google Patents
Automatic test system of vehicle-mounted charger Download PDFInfo
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- CN215005639U CN215005639U CN202022496430.0U CN202022496430U CN215005639U CN 215005639 U CN215005639 U CN 215005639U CN 202022496430 U CN202022496430 U CN 202022496430U CN 215005639 U CN215005639 U CN 215005639U
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- vehicle
- power supply
- mounted charger
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Abstract
The utility model discloses an automatic test system of on-vehicle machine that charges, including acting on the alternating current power supply who is surveyed the on-vehicle machine that charges, still include BOBC the control unit and emulation circuit, emulation circuit is connected with BOBC the control unit, including direct current electronic load, battery voltage simulator and control guide line simulator, BOBC the control unit is connected and is surveyed the on-vehicle machine that charges, and still be connected with miniwatt direct current power supply, DC power supply and CAN communication card able to programme, CAN communication card connects the industrial computer. The utility model discloses automatic accomplish data processing and report output, realize automatic testing process, satisfy high accuracy, high reliability test demand simultaneously.
Description
Technical Field
The utility model relates to a vehicle-mounted machine field that charges, in particular to vehicle-mounted machine automatic test system that charges.
Background
The vehicle-mounted charger is indispensable charging equipment for the new energy electric automobile, and has important significance for improving the charging efficiency, the charging safety and the like of the electric automobile.
According to QC/T895 plus 2011 conductive vehicle-mounted charger for electric vehicles, various performances and safety parameters of the vehicle-mounted charger need to be tested.
The traditional test method needs a plurality of sets of different devices, the device price is high, the wiring is complicated, the test efficiency is low, and the technical level requirements on testers are high.
Moreover, as an important component of the new energy electric vehicle, the performance and reliability of the vehicle-mounted charger are related to the charging performance and safety of the whole vehicle.
How to effectively confirm the key performance and key technical indexes of the parts installed on the automobile is a key direction to be researched.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned problem, provide an automatic test system of vehicle-mounted machine that charges, through hardware circuit emulation vehicle actual operating condition, utilize host computer CAN language technique to carry out equipment control and data monitoring, realize automatic closed-loop control strategy.
Furthermore, the scheme automatically completes data processing and report output, realizes an automatic test process, and simultaneously meets the test requirements of high precision and high reliability.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a vehicle-mounted charger automated test system, is including the alternating current power supply who acts on the vehicle-mounted charger that is surveyed, still includes BOBC control unit and emulation circuit, and the emulation circuit is connected with BOBC control unit, including direct current electronic load, battery voltage simulator and control guidance line simulator, and BOBC control unit connects the vehicle-mounted charger that is surveyed, and still is connected with miniwatt direct current power supply, direct current power able to programme and CAN communication card, and the industrial computer is connected to the CAN communication card.
Furthermore, the two side lines of the tested vehicle-mounted charger are communicated with a power analyzer.
Furthermore, an oscilloscope is connected between the BOBC control unit and the vehicle-mounted charger to be tested.
Further, the alternating current power supply is a programmable alternating current power supply.
Furthermore, the CAN communication card is connected with the industrial personal computer through a GPIB bus.
To sum up, the utility model discloses possess following advantage:
the utility model discloses a hardware circuit emulation vehicle actual operating condition utilizes host computer CAN language technique to carry out equipment control and data monitoring, realizes automatic closed-loop control strategy.
More, the utility model discloses automatic accomplish data processing and report output, realize automatic testing process, satisfy high accuracy, high reliability test demand simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example 1:
an automatic test system for a vehicle-mounted charger is shown in fig. 1 and comprises an alternating current power supply 2 acting on the vehicle-mounted charger 1 to be tested, a BOBC control unit 3 and a simulation line 4.
The alternating current power supply 2 is a programmable alternating current power supply, and the vehicle-mounted charger provides input alternating current with variable voltage, variable frequency and programmable power grid distortion waveform by using a programmable alternating current power supply to detect whether the vehicle-mounted charger meets the charging requirement under different power grid conditions so as to ensure that the vehicle-mounted charger can normally work under various power grid environments.
The process of battery charging is simulated by the electronic load, so that the charging can be completed under various battery load conditions, the quality of charging voltage is ensured, and the safety of the battery is ensured.
And, the circuit intercommunication of being surveyed vehicle-mounted machine 1 both sides has power analysis appearance 9.
Meanwhile, an oscilloscope 10 is connected between the BOBC control unit and the vehicle-mounted charger to be tested.
The simulation line 4 is connected with the BOBC control unit 3 and comprises a direct current electronic load 41, a battery voltage simulator 42 and a control pilot line simulator 42.
The BOBC control unit 3 is connected with a tested vehicle-mounted charger and is also connected with a low-power direct-current power supply 5, a programmable direct-current power supply 6 and a CAN communication card 7, and the CAN communication card 7 is connected with an industrial personal computer 8.
Specifically, the CAN communication card 7 is connected with the industrial personal computer 8 through a GPIB bus, and communication control and test data return are performed between the CAN communication card and the industrial personal computer.
The programmable direct current power supply provides bidirectional OBC (on-board battery charger) requirements, and simultaneously simulates a power battery to charge the OBC.
Wherein, power supply demand voltage: 3 phase 5 line, 380V/50 Hz; power grid analog power supply voltage: 0-300V; power grid analog power supply frequency: 30-100 Hz; power grid analog power supply voltage precision: 0.1% +0.2% f.s.; power grid simulation power supply distortion degree: < 0.5% @50/60 Hz.
And Chroma and Tak brands are preferred for equipment selection such as a CAN communication card and an OBC charging simulator.
In conclusion, the scheme can simulate the actual working state of the vehicle through a hardware circuit and realize real-time control and closed-loop control of the upper computer on the equipment through the GPIB bus.
And the connection between an upper computer and a product to be detected is realized through a Can bus, whether the state of the product to be detected accords with the use of a real vehicle or not under various test environments is monitored in real time, and equipment control and data monitoring are carried out by utilizing the CAN language technology of the upper computer, so that an automatic closed-loop control strategy is realized.
Furthermore, the scheme can automatically complete data processing and report output at a software end by the upper computer, realize an automatic test process and meet the test requirements of high precision and high reliability.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Those skilled in the art will readily appreciate that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
It will be understood that the above-described embodiments are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions may be made in the details described herein by those skilled in the art without departing from the basic principles of the invention.
Claims (5)
1. The utility model provides a vehicle-mounted machine automatic test system that charges which characterized in that: the BOBC control unit is connected with the detected vehicle-mounted charger and is also connected with a low-power direct-current power supply, a programmable direct-current power supply and a CAN communication card, and the CAN communication card is connected with an industrial personal computer.
2. The automatic testing system of the vehicle-mounted charger according to claim 1, characterized in that: and the lines at the two sides of the tested vehicle-mounted charger are communicated with a power analyzer.
3. The automatic testing system of the vehicle-mounted charger according to claim 1, characterized in that: an oscilloscope is connected between the BOBC control unit and the vehicle-mounted charger to be tested.
4. The automatic testing system of the vehicle-mounted charger according to claim 1, characterized in that: the alternating current power supply is a programmable alternating current power supply.
5. The automatic testing system of the vehicle-mounted charger according to claim 1, characterized in that: the CAN communication card is connected with the industrial personal computer through a GPIB bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022496430.0U CN215005639U (en) | 2020-11-03 | 2020-11-03 | Automatic test system of vehicle-mounted charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022496430.0U CN215005639U (en) | 2020-11-03 | 2020-11-03 | Automatic test system of vehicle-mounted charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215005639U true CN215005639U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022496430.0U Active CN215005639U (en) | 2020-11-03 | 2020-11-03 | Automatic test system of vehicle-mounted charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215005639U (en) |
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2020
- 2020-11-03 CN CN202022496430.0U patent/CN215005639U/en active Active
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