CN220820133U - Testing device for vehicle electric drive no-load experiment - Google Patents
Testing device for vehicle electric drive no-load experiment Download PDFInfo
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- CN220820133U CN220820133U CN202322324045.1U CN202322324045U CN220820133U CN 220820133 U CN220820133 U CN 220820133U CN 202322324045 U CN202322324045 U CN 202322324045U CN 220820133 U CN220820133 U CN 220820133U
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 238000004088 simulation Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 3
- 101100408457 Arabidopsis thaliana PLC9 gene Proteins 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
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Abstract
The utility model discloses a testing device for an electric drive no-load experiment for a vehicle, which aims at the problems that resource waste and too high cost are caused when the electric drive no-load experiment is carried out on a traditional electric drive bench, integrates all testing equipment through an upper computer, uniformly controls the testing equipment, greatly reduces the experiment cost, and can realize the quick switching of two testing layouts through simple system configuration according to different testing requirements so as to respectively carry out the no-load experiment on two-in-one and three-in-one electric drive products.
Description
Technical Field
The utility model belongs to the technical field of new energy electric drive tests, and particularly relates to a test device for an electric drive no-load experiment for a vehicle.
Background
According to the standard requirements of various host factories of large automobiles at home and abroad at present, a new energy electric drive system needs to pass through HTHE (high-temperature high-humidity durable), HTOE charging (Shan Nibian high-temperature running durable (charging mode)) and other no-load experiments, the traditional electric drive rack layout needs to occupy larger space resources, two dynamometers are needed, and only one sample can be tested at a time. Because no-load experiments do not require a dynamometer to provide an analog load, if the experiments are implemented on a traditional electric drive bench, resource waste can be caused, and the cost is high.
Disclosure of utility model
The utility model aims to provide a testing device for an electric drive no-load experiment for a vehicle, which greatly reduces the experiment cost.
In order to solve the problems, the technical scheme of the utility model is as follows:
A testing device for an electric drive no-load experiment for a vehicle comprises: the device comprises an environment box, a data collector, a water cooler, a low-voltage power supply, a high-voltage power supply, a residual bus simulation module and an upper computer;
the environment box is used for placing a tested piece and providing an environment required by a no-load experiment;
The data acquisition device is electrically connected with the tested piece and acquires a temperature signal and a rotating speed signal of the tested piece;
The water cooler and the tested piece form a closed loop to cool the tested piece;
The low-voltage power supply is electrically connected with the tested piece and provides working voltage for the tested piece;
the high-voltage power supply is electrically connected with the tested piece and supplies power to the tested piece;
The residual bus simulation module is connected with the tested piece through the CAN bus and is used for simulating a sensor model required by the tested piece, and various information of the tested piece is directly given;
The upper computer is in communication connection with the environment box, the data collector, the water cooler, the low-voltage power supply, the high-voltage power supply and the residual bus simulation module, and each device is configured according to the type of the tested piece.
According to an embodiment of the utility model, the device further comprises a general inverter and a PLC;
When the tested piece is a two-in-one electric drive product, the upper computer is disconnected from the connection with the residual bus simulation module and is in communication connection with the PLC, the PLC is connected with the universal inverter, and the universal inverter is connected with the tested piece.
By adopting the technical scheme, the utility model has the following advantages and positive effects compared with the prior art:
according to the test device for the vehicle electric drive no-load experiment, provided by the embodiment of the utility model, the test equipment (an environment box, a data acquisition device, a water cooler, a low-voltage power supply, a high-voltage power supply, a residual bus simulation module and the like) is integrated through the upper computer, and the equipment is configured through the upper computer, so that the quick switching of two test layouts can be realized, the remote control of the test equipment is realized, and the time stamp of data record is unified.
Drawings
FIG. 1 is a block diagram of a test apparatus for a vehicle electric drive no-load type experiment in an embodiment of the utility model;
FIG. 2 is a block diagram of another test apparatus for an electrically driven no-load test for a vehicle according to an embodiment of the present utility model.
Reference numerals illustrate:
1: an upper computer; 2: a test piece; 3: an environmental box; 4: a data collector; 5: a water cooler; 6: a low voltage power supply; 7: a high voltage power supply; 8: a residual bus simulation module; 9: a PLC;10: a universal inverter.
Detailed Description
The utility model provides a testing device for an electric drive no-load experiment for a vehicle, which is further described in detail below with reference to the accompanying drawings and specific embodiments. Advantages and features of the utility model will become more apparent from the following description and from the claims.
In order to save resources and reduce the implementation cost of a single experiment, the embodiment utilizes a set of electrically driven no-load test system to integrate required test equipment, the test system is used for configuring the equipment, the quick switching of two test layouts is realized, the remote control of the test equipment is realized, and the time stamp of data record is unified. The test system is arranged on an upper computer, and the embodiment focuses on the hardware device of the vehicle electric drive no-load experiment.
Example 1
Referring to fig. 1, the test device for the vehicle electric driving no-load experiment includes: the system comprises an upper computer 1, an environment box 3, a data acquisition unit 4, a water cooler 5, a low-voltage power supply 6, a high-voltage power supply 7 and a residual bus simulation module 8. The environment box 3 is used for placing the tested piece 2, and provides environment (such as temperature, humidity and the like) required by no-load experiment. The data acquisition device 4 is electrically connected with the tested piece 2 and acquires a temperature signal and a rotating speed signal of the tested piece 2. The water cooler 5 and the tested piece 2 form a closed loop to cool the tested piece 2 and prevent the tested piece 2 from being overheated and damaged. The low-voltage power supply 6 is electrically connected with the tested piece 2 and provides direct-current voltage between 0 and 24V for the tested piece 2. The high-voltage power supply 7 is electrically connected with the tested piece 2 and supplies alternating current within 380V for the tested piece 2. The residual bus simulation module 8 is connected with the tested piece 2 through the CAN bus to simulate a sensor model required by the tested piece 2, and various information (such as speed, angle and the like) of the tested piece 2 is directly given. The upper computer 1 is in communication connection with the environment box 3, the data collector 4, the water cooler 5, the low-voltage power supply 6, the high-voltage power supply 7 and the residual bus simulation module 8, and each device is configured according to the type of the tested piece 2. The tested piece is an electric drive product with three-in-one, wherein the three-in-one refers to the integration of a motor, a speed reducer and an inverter.
Example two
Referring to fig. 2, the test device for the vehicle electric driving no-load experiment includes: the system comprises an upper computer 1, an environment box 3, a data acquisition unit 4, a water cooler 5, a low-voltage power supply 6, a high-voltage power supply 7, a PLC9 and a general inverter 10. The difference between the testing device and the first embodiment is that the testing device is used for the no-load experiment of the two-in-one electric drive product, the upper computer 1 is disconnected with the residual bus simulation module and is connected with the PLC9, the PLC9 is connected with the universal inverter 10, and the universal inverter 10 is connected with the tested piece 2. It can be understood that the host computer 1 switches between two test layouts. The two-in-one means the integration of the motor and the speed reducer.
According to the testing device for the vehicle electric drive no-load experiment, the problems that resource waste and too high cost are caused when the electric drive no-load experiment is carried out on the traditional electric drive bench are solved, all testing equipment is integrated through an upper computer, the experiment cost is greatly reduced, the quick switching of two testing layouts is realized through simple system configuration according to different testing requirements, and no-load experiments are carried out on two-in-one and three-in-one electric drive products respectively.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments. Even if various changes are made to the present utility model, it is within the scope of the appended claims and their equivalents to fall within the scope of the utility model.
Claims (2)
1. The utility model provides a testing arrangement of no load class experiment of automobile-used electricity drive which characterized in that includes: the device comprises an environment box, a data collector, a water cooler, a low-voltage power supply, a high-voltage power supply, a residual bus simulation module and an upper computer;
the environment box is used for placing a tested piece and providing an environment required by a no-load experiment;
The data acquisition device is electrically connected with the tested piece and acquires a temperature signal and a rotating speed signal of the tested piece;
The water cooler and the tested piece form a closed loop to cool the tested piece;
The low-voltage power supply is electrically connected with the tested piece and provides working voltage for the tested piece;
the high-voltage power supply is electrically connected with the tested piece and supplies power to the tested piece;
The residual bus simulation module is connected with the tested piece through the CAN bus and is used for simulating a sensor model required by the tested piece, and the information of the tested piece is directly given;
The upper computer is in communication connection with the environment box, the data collector, the water cooler, the low-voltage power supply, the high-voltage power supply and the residual bus simulation module, and each device is configured according to the type of the tested piece.
2. The test device for the vehicular electric-drive no-load experiment according to claim 1, further comprising a general inverter, a PLC;
When the tested piece is a two-in-one electric drive product, the upper computer is disconnected from the connection with the residual bus simulation module and is in communication connection with the PLC, the PLC is connected with the universal inverter, and the universal inverter is connected with the tested piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322324045.1U CN220820133U (en) | 2023-08-29 | 2023-08-29 | Testing device for vehicle electric drive no-load experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322324045.1U CN220820133U (en) | 2023-08-29 | 2023-08-29 | Testing device for vehicle electric drive no-load experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220820133U true CN220820133U (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322324045.1U Active CN220820133U (en) | 2023-08-29 | 2023-08-29 | Testing device for vehicle electric drive no-load experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220820133U (en) |
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2023
- 2023-08-29 CN CN202322324045.1U patent/CN220820133U/en active Active
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