CN213875966U - Finished automobile auxiliary power supply product test bed - Google Patents
Finished automobile auxiliary power supply product test bed Download PDFInfo
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- CN213875966U CN213875966U CN202023125148.8U CN202023125148U CN213875966U CN 213875966 U CN213875966 U CN 213875966U CN 202023125148 U CN202023125148 U CN 202023125148U CN 213875966 U CN213875966 U CN 213875966U
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Abstract
The application relates to a whole vehicle auxiliary power supply product test bed. The test bed comprises a direct current power supply, an industrial personal computer, a test instrument, a simulation load, an environmental test box and an auxiliary power supply. The industrial personal computer is used for controlling the direct-current power supply, the analog load, the auxiliary power supply and the environment test box to provide a test environment meeting requirements for a product to be tested, and test data are collected through the test instrument and transmitted to the industrial personal computer for analysis and processing. The test bench can test the whole vehicle auxiliary power supply product, saves cost, has higher system integration level and higher automation degree, and improves test efficiency.
Description
Technical Field
The application relates to the technical field of power supply testing, in particular to a test bed for a whole vehicle auxiliary power supply product.
Background
The DC/DC converter and the DC/AC converter are important components of the current new energy automobile, play a significant role in the process of energy conversion, and are related to the stability and safety of vehicle-mounted electricity. Performance testing of DC/DC converters and DC/AC converters is crucial. The traditional test for the DC/DC converter and the DC/AC converter adopts two separated systems for testing, which causes the waste of instrument resources.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a test stand for a vehicle auxiliary power supply product, which can satisfy the test requirements of a DC/DC converter and a DC/AC converter at the same time.
The utility model provides a whole car auxiliary power supply product test bench, the test bench includes: the device comprises a direct current power supply, an industrial personal computer, a test instrument, a simulation load, an environmental test box and an auxiliary power supply.
The direct current power supply, the test instrument, the environmental test box and the simulation load are all connected with the industrial personal computer; the analog load and the test instrument are both connected with a product to be tested, the direct-current power supply provides power for the product to be tested, and the auxiliary power supply is used for providing an auxiliary control power supply for the product to be tested; and the product to be tested is placed in the environmental test chamber.
In one embodiment, the product to be tested is an on-board DC/AC converter or an on-board DC/DC converter.
In one embodiment, the method further comprises, when the product to be tested is a vehicle-mounted DC/DC converter, the analog load is a direct current electronic load; and the direct current electronic load is connected with the product to be tested and the industrial personal computer.
When the product to be tested is a vehicle-mounted DC/AC converter, the analog load is an alternating current load; and the alternating current load is connected with the product to be detected and the industrial personal computer.
In one embodiment, the method further comprises that the direct current electronic load is a programmable direct current electronic load, and the programmable direct current electronic load is Chroma 63212 a-150-;
the alternating current load is a programmable alternating current inductive load; the programmable AC inductive load is PLB-SRL 20.
In one embodiment, it is further included that the test instrument includes: a power meter, an oscilloscope and an electrical safety comprehensive tester.
The power meter, the oscilloscope and the electric safety comprehensive tester are connected with the product to be tested.
The industrial personal computer is connected with the power meter, the oscilloscope and the electric safety comprehensive tester through interfaces.
In one embodiment, the test bed further comprises a water cooling device, and the water cooling device is connected with the environmental test chamber.
In one embodiment, the industrial personal computer further comprises a CAN communication card; the industrial personal computer is connected with the test instrument through the CAN communication card.
In one embodiment, the direct current power supply is a programmable direct current power supply which is Chroma 62012P-40-120.
In one embodiment, the environmental test chamber is a high-low temperature environmental chamber, and the high-low temperature environmental chamber is GDW-100D or KDW 730Q.
In one embodiment, the test bed further comprises a cabinet, wherein the cabinet is used for installing the test instrument, the industrial personal computer and the simulation load; the cabinet is a 19 inch standard cabinet.
Above-mentioned whole car auxiliary power supply product test bench, the test bench includes DC power supply, industrial computer, test instrument, analog load, environmental test case, auxiliary power supply and the product that awaits measuring. The industrial personal computer is used for controlling the direct-current power supply, the analog load, the auxiliary power supply and the environment test box to provide a test environment meeting requirements for a product to be tested, and test data are collected through the test instrument and transmitted to the industrial personal computer for analysis and processing. The test bench can test the whole vehicle auxiliary power supply product, saves cost, has higher system integration level and higher automation degree, and improves test efficiency.
Drawings
FIG. 1 is a structural diagram of a test bed of an auxiliary power supply product of a whole vehicle in one embodiment;
FIG. 2 is a block diagram of a vehicle auxiliary power supply product test stand in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection, physical connection or wireless communication connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
In one embodiment, as shown in fig. 1, there is provided a complete vehicle auxiliary power supply product test stand, including: the test system comprises a direct current power supply 100, an industrial personal computer 102, a test instrument 104, an analog load 106, an environmental test box 108 and an auxiliary power supply 110.
The direct current power supply 100, the test instrument 104, the environmental test chamber 108 and the simulation load 106 are connected with the industrial personal computer 100; the analog load 106 and the test instrument 104 are connected to the product to be tested, the dc power supply 110 provides power for the product to be tested, and the auxiliary power supply 110 is used for providing an auxiliary control power for the product to be tested.
The product to be tested is placed in the environmental test chamber 108. The dc power supply 100 is used to provide a regulated dc power supply to the product to be tested. The dc power supply 100 is connected to an industrial personal computer through an interface, and its output is controlled by the industrial personal computer 100. The industrial personal computer 102 is used for controlling the test environment and setting parameters to be tested, and is also used for acquiring and processing data and outputting test results. The test instrument 104 is used for acquiring parameters of a test process of a product to be tested and transmitting the parameters to the industrial personal computer 100 through an interface. The dummy load 106 is used to provide an adjustable load to absorb the electric energy output by the product to be tested during the testing process of the product to be tested. The environmental test chamber 108 is used for providing a simulated test environment for the product to be tested, and when a high-low temperature and humidity test is required, the product to be tested needs to be placed in the environmental test chamber 108.
The working principle of the whole vehicle power supply product test bed is as follows: the direct current power supply provides power input for a product to be tested, the direct current power supply is adjusted on line through system software running in the industrial personal computer, different environment working conditions are simulated by using the high-low temperature environment test box, the load of the product to be tested of the electronic load equipment absorbs electric energy output by the product to be tested, and relevant parameters are measured through corresponding test instruments.
The whole vehicle power supply product test bed comprises a direct-current power supply, an industrial personal computer, a test instrument, a simulation load, an environment test box, an auxiliary power supply and a product to be tested. The industrial personal computer is used for controlling the direct-current power supply, the analog load, the auxiliary power supply and the environment test box to provide a test environment meeting requirements for a product to be tested, and test data are collected through the test instrument and transmitted to the industrial personal computer for analysis and processing. The test bench can test the whole vehicle auxiliary power supply product, saves cost, has higher system integration level and higher automation degree, and improves test efficiency.
Preferably, the product to be tested is a vehicle-mounted DC/AC converter or a vehicle-mounted DC/DC converter.
The DC/DC converter reduces the voltage of the rechargeable battery to 14V and supplies the voltage to the lead storage battery; and also for accessories, wipers, headlamps and the like of engines driven by lead storage batteries as a power source.
The DC/AC converter is used for inverting the high-voltage direct current of the battery pack into alternating current to drive the motor to work and is also used for inverting the high-voltage direct current of the battery pack into alternating current to drive the air conditioner to work in a compression mode.
Preferably, when the product to be tested is a vehicle-mounted DC/DC converter, the analog load is a direct current electronic load; the direct current electronic load is connected with the product to be tested and the industrial personal computer. When the product to be tested is a vehicle-mounted DC/AC converter, the analog load is an alternating current load; and the alternating current load is connected with the product to be detected and the industrial personal computer.
When the vehicle-mounted DC/DC converter is tested, the direct current load is used for absorbing the electric energy output by the vehicle-mounted DC/DC converter, so that the direct current electronic load is selected as the analog load. The output value of the direct current electronic load is regulated and controlled by the industrial personal computer.
When the vehicle-mounted DC/AC converter is tested, the alternating current load is used for absorbing the electric energy output by the vehicle-mounted DC/AC converter, so that the alternating current load is selected as the analog load, and the output value of the alternating current load is regulated and controlled by the industrial personal computer.
Preferably, the DC electronic load is a programmable DC electronic load, and the programmable DC electronic load is Chroma 63212A-150-1200 or Chroma 17040. The alternating current load is a programmable alternating current inductive load; the programmable AC inductive load is PLB-SRL 20.
Preferably, the test instrument comprises: a power meter, an oscilloscope and an electrical safety comprehensive tester; the power meter, the oscilloscope and the electric safety comprehensive tester are connected with a product to be tested; the industrial personal computer is connected with the power meter, the oscilloscope and the electric safety comprehensive tester through interfaces.
The power meter is used for measuring three-phase power and direct current power, and the voltage and the current of a product to be measured are measured.
The oscilloscope is used for testing the test waveform of the product to be tested.
The electric safety comprehensive tester is used for carrying out electric safety test on a product to be tested.
The data of the power meter, the oscilloscope and the electric safety comprehensive tester are transmitted to the industrial personal computer through the interface, and the industrial personal computer stores, analyzes and processes the data.
Preferably, the test bed further comprises a water cooling device, and the water cooling device is connected with the environmental test chamber.
The water cooling equipment is used for providing a cooling system for the environmental test chamber. The water cooling equipment and the environmental test chamber are connected together to provide environmental stress such as temperature, humidity and the like for the product to be tested.
Preferably, the industrial personal computer also comprises a CAN communication card; the industrial personal computer is connected with the test instrument through the CAN communication card.
In one embodiment, a Chroma Can Box CAN communication card is selected.
In one embodiment, a ZLG USBCAN-2U-E CAN communication card is selected.
Preferably, the direct current power supply is a programmable direct current power supply which is Chroma 62012P-40-120.
The output voltage of the Chroma62012P-40-120 power supply is as follows: 0-900 VDC, continuous and adjustable, and output current of 0-500 ADC. The voltage and current values are continuously adjustable from zero to rated values, and the constant voltage and the constant current are automatically switched.
Preferably, the environmental test chamber is a high-low temperature environmental chamber, and the high-low temperature environmental chamber is GDW-100D or KDW 730Q.
Preferably, the test bed further comprises a cabinet, and the cabinet is used for installing a test instrument, an industrial personal computer and a simulation load; the cabinet is a 19 inch standard cabinet.
In one embodiment, the test bed for the finished automobile power product comprises a 19-inch standard cabinet, wherein an industrial personal computer, a programmable direct current electronic load, a programmable alternating current inductive load, a power meter, an oscilloscope and an electric safety comprehensive tester are installed in the cabinet, and the programmable direct current electronic load, the programmable alternating current inductive load, the power meter, the oscilloscope and the electric safety comprehensive tester are connected with the industrial personal computer through interfaces. The test bed also comprises a programmable direct current circuit power supply, a product to be tested, an environmental test chamber and water cooling equipment, wherein the programmable direct current circuit power supply and the environmental test chamber are connected with the industrial personal computer through an interface, and the water cooling equipment is connected with the environmental test chamber. The product to be tested is a vehicle-mounted DC/DC converter or a vehicle-mounted DC/AC converter.
The working principle of the test bed is as follows: the programmable direct current circuit power supply provides power input for the DC/AC converter or the DC/DC converter, the programmable direct current circuit power supply is adjusted on line through system software running in the industrial personal computer, and different environment working conditions and electronic loads are simulated by using the high-low temperature environment test box: the programmable direct current electronic load is used as a load of the DC/DC converter, the programmable alternating current inductive load is used as a load of the DC/AC converter, electric energy output by the DC/AC converter is absorbed, relevant parameters are measured by a corresponding tester power meter, an oscilloscope and an electric safety comprehensive tester, and the parameters are transmitted to the industrial personal computer for storage, analysis and processing.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a whole car auxiliary power supply product test bench which characterized in that, the test bench includes: the system comprises a direct-current power supply, an industrial personal computer, a test instrument, a simulation load, an environmental test box and an auxiliary power supply;
the direct current power supply, the test instrument, the environmental test box and the simulation load are all connected with the industrial personal computer; the analog load and the test instrument are both connected with a product to be tested, the direct-current power supply provides power for the product to be tested, and the auxiliary power supply is used for providing an auxiliary control power supply for the product to be tested; and the product to be tested is placed in the environmental test chamber.
2. The test bench of claim 1, wherein the product under test is an on-board DC/AC converter or an on-board DC/DC converter.
3. The test bench of claim 1, wherein when the product to be tested is an on-board DC/DC converter, the analog load is a direct current electronic load; the direct current electronic load is connected with the product to be tested and the industrial personal computer;
when the product to be tested is a vehicle-mounted DC/AC converter, the analog load is an alternating current load; and the alternating current load is connected with the product to be detected and the industrial personal computer.
4. The test bench of claim 3, wherein the DC electronic load is a programmable DC electronic load, and the programmable DC electronic load is Chroma 63212A-150-1200 or Chroma 17040;
the alternating current load is a programmable alternating current inductive load; the programmable AC inductive load is PLB-SRL 20.
5. The test stand of claim 1, wherein the test instrument comprises: a power meter, an oscilloscope and an electrical safety comprehensive tester;
the power meter, the oscilloscope and the electric safety comprehensive tester are connected with the product to be tested;
the industrial personal computer is connected with the power meter, the oscilloscope and the electric safety comprehensive tester through interfaces.
6. The test bed according to claim 1, characterized in that the test bed further comprises a water cooling device, and the water cooling device is connected with the environmental test chamber.
7. The test bed of claim 1, wherein the industrial personal computer further comprises a CAN communication card; the industrial personal computer is connected with the test instrument through the CAN communication card.
8. The test rig of claim 1, wherein the dc power source is a programmable dc power source, the programmable dc power source being Chroma 62012P-40-120.
9. The test stand of claim 1, wherein the environmental test chamber is a high and low temperature environmental chamber, and the high and low temperature environmental chamber is GDW-100D or KDW 730Q.
10. The test bed according to any of the claims 1-3 and 5-9, wherein the test bed further comprises a cabinet for mounting the test instruments, the industrial personal computer and the analog loads; the cabinet is a 19 inch standard cabinet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023125148.8U CN213875966U (en) | 2020-12-22 | 2020-12-22 | Finished automobile auxiliary power supply product test bed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023125148.8U CN213875966U (en) | 2020-12-22 | 2020-12-22 | Finished automobile auxiliary power supply product test bed |
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| CN213875966U true CN213875966U (en) | 2021-08-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024044911A1 (en) * | 2022-08-29 | 2024-03-07 | 华为技术有限公司 | Test device for wiper system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024044911A1 (en) * | 2022-08-29 | 2024-03-07 | 华为技术有限公司 | Test device for wiper system |
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