CN210090041U - Test bed for testing durability of central integrated electric drive bridge - Google Patents
Test bed for testing durability of central integrated electric drive bridge Download PDFInfo
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- CN210090041U CN210090041U CN201920968484.7U CN201920968484U CN210090041U CN 210090041 U CN210090041 U CN 210090041U CN 201920968484 U CN201920968484 U CN 201920968484U CN 210090041 U CN210090041 U CN 210090041U
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Abstract
The utility model discloses a test bed for testing the durability of a central integrated electrically-driven bridge, which belongs to the field of automobile test equipment and aims at the problem that the conventional test bed test equipment can only carry out the conventional test verification of a mechanical body on a novel electrically-driven bridge product and can not really check the durability of the electrically-driven bridge product similar to the working condition of a real automobile, the utility model designs and provides a test bed which can be used for testing the durability of the central integrated electrically-driven bridge, the test bed not only can realize the durability test bed verification that the central integrated electrically-driven bridge directly applies a real automobile motor to simulate the working condition of a road spectrum, but also can finish the performance and durability test of a gear shifting mechanism, and simultaneously carries out the bench calibration (including the working condition with load) on the central integrated electrically-driven bridge, calibration data provides reliable basis for the road test calibration, and shortens the calibration time of the whole automobile, thereby shortening the development period of the product.
Description
Technical Field
The utility model belongs to car test equipment field, concretely relates to a test bench that is used for central authorities' integrated form electricity to drive bridge durability test.
Background
The design and application of new energy drive axle products have become the development trend of axle industry, wherein, central integrated form electric drive axle is a commonly used structural style in the axle industry, and this type of electric drive axle structural feature is that gearbox and final drive ware highly integrate after install jointly in an axle housing, the input is connected with real car motor directly simultaneously. As the bench test of a new product verifies the practical application working condition of the product, the traditional bench test equipment can not meet the verification requirement of the new energy product, and the novel electric drive bridge product can only be subjected to the conventional test verification of the mechanical body, so that the durability of the electric drive bridge product similar to the real vehicle working condition can not be really checked.
Disclosure of Invention
The utility model discloses to prior art's not enough, a test bench that is used for central authorities' integrated form electricity to drive bridge durability test is provided.
The technical scheme of the utility model is realized like this:
a test rig for central integrated electric drive bridge durability testing, comprising: the system comprises a battery simulator 1, a motor controller MCU2, a dual-channel cooling system 3, a real vehicle motor 4, a central integrated electric drive bridge 5, a left side torque and rotation speed sensor 6, a left side output gearbox 7, a left side loading dynamometer 8, a right side torque and rotation speed sensor 9, a right side output gearbox 10, a right side loading dynamometer 11, an alternating current voltage and current sensor 12, a direct current voltage and current sensor 13, an electric drive bridge TCU15, a power analyzer 16 and a control and measurement system 17.
The central integrated electric drive bridge 5 is connected with the real vehicle motor 4, the central integrated electric drive bridge and the real vehicle motor are integrally fixed on a bracket of a test bed, and the left output end of the central integrated electric drive bridge 5 is connected with a left torque and speed sensor 6, a left output gearbox 7 and a left loading dynamometer 8; the right output end of the central integrated electric drive bridge 5 is connected with a right torque and rotation speed sensor 9, a right output gearbox 10 and a right loading dynamometer 11; the real vehicle motor 4 is connected with the motor controller MCU2 through an alternating current power line; the battery simulator 1 is connected with the motor controller MCU2 through a direct current power line and supplies power to the motor controller MCU 2; the alternating voltage and current sensor 12 is connected with an alternating power line close to the end of the real vehicle motor 4; the direct current voltage and current sensor 13 is connected with a direct current power line close to the end of the motor controller MCU 2; the alternating voltage and current sensor 12 and the direct voltage and current sensor 13 are respectively connected with a power analyzer 16; the power analyzer 16 is connected to the control and measurement system 17 for feeding back the power analysis result to the control and measurement system 17.
The motor controller MCU2 in the test stand is connected with the control and measurement system 17 through a CAN bus. The control and measurement system 17 sends a motor rotating speed signal to the motor controller MCU2, and the motor controller MCU2 controls the motor rotating speed;
an electric drive bridge TCU15 is installed on a central integrated electric drive bridge 5 in the test bed, the electric drive bridge TCU15 is connected with a control and measurement system 17 through a CAN bus, the control and measurement system 17 sends a motor speed signal to the electric drive bridge TCU15, and the electric drive bridge TCU15 controls the speed of the electric drive bridge driving motor;
the test bed further comprises a double-channel cooling system 3, the cooling system is respectively connected with the real vehicle motor 4 and the motor controller MCU2 to form two cooling loops, so that the temperatures of the real vehicle motor 4 and the motor controller MCU2 in the test process are not too high, and the test bed is closer to the actual application state.
The utility model has the advantages that:
the test bench can not only realize that the central integrated electric drive bridge directly applies the real vehicle motor to simulate the durability test bench frame verification of road spectrum working conditions, but also complete the performance and durability test of the gear shifting mechanism, and simultaneously perform bench calibration (including the working condition with load) on the central integrated electric drive bridge, so that the calibration data provides reliable basis for the road test calibration, the time for calibrating the whole vehicle is shortened, and the product development period is further shortened.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The symbols in the drawings illustrate that: 1: a battery simulator; 2: a motor controller MCU; 3: a two-pass cooling system; 4: a real vehicle motor; 5: a central integrated electric drive bridge; 6: a left side torque speed sensor; 7: a left output gearbox; 8: a dynamometer is loaded on the left side; 9: a right torque speed sensor; 10: a right side output gearbox; 11: a dynamometer is loaded on the right side; 12: an alternating voltage and current sensor; 13: a direct current voltage and current sensor; 15: an electric drive bridge TCU; 16: a power analyzer; 17: automated control and measurement system.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings: as shown in fig. 1, a test stand for a central integrated electric drive bridge durability test includes: the system comprises a battery simulator 1, a motor controller MCU2, a dual-channel cooling system 3, a real vehicle motor 4, a central integrated electric drive bridge 5, a left side torque and rotation speed sensor 6, a left side output gearbox 7, a left side loading dynamometer 8, a right side torque and rotation speed sensor 9, a right side output gearbox 10, a right side loading dynamometer 11, an alternating current voltage and current sensor 12, a direct current voltage and current sensor 13, an electric drive bridge TCU15, a power analyzer 16 and an automatic control and measurement system 17.
The central integrated electric drive bridge 5 is connected with the real vehicle motor 4, the central integrated electric drive bridge and the real vehicle motor are integrally fixed on a bracket of a test bed, and the left output end of the central integrated electric drive bridge 5 is connected with a left torque and speed sensor 6, a left output gearbox 7 and a left loading dynamometer 8; the right output end of the central integrated electric drive bridge 5 is connected with a right torque and rotation speed sensor 9, a right output gearbox 10 and a right loading dynamometer 11; the real vehicle motor 4 is connected with the motor controller MCU2 through an alternating current power line; the battery simulator 1 is connected with the motor controller MCU2 through a direct current power line and supplies power to the motor controller MCU 2; the alternating voltage and current sensor 12 is connected with an alternating power line close to the end of the real vehicle motor 4; the direct current voltage and current sensor 13 is connected with a direct current power line close to the end of the motor controller MCU 2; the alternating voltage and current sensor 12 and the direct voltage and current sensor 13 are respectively connected with a power analyzer 16; the power analyzer 16 is connected to the control and measurement system 17 for feeding back the power analysis result to the control and measurement system 17.
The motor controller MCU2 in the test stand is connected with the control and measurement system 17 through a CAN bus. The control and measurement system 17 sends a motor rotating speed signal to the motor controller MCU2, and the motor controller MCU2 controls the motor rotating speed;
an electric drive bridge TCU15 is installed on a central integrated electric drive bridge 5 in the test bed, the electric drive bridge TCU15 is connected with a control and measurement system 17 through a CAN bus, the control and measurement system 17 sends a motor speed signal to the electric drive bridge TCU15, and the electric drive bridge TCU15 controls the speed of the electric drive bridge driving motor;
the test bed further comprises a double-channel cooling system 3, the cooling system is respectively connected with the real vehicle motor 4 and the motor controller MCU2 to form two cooling loops, so that the temperatures of the real vehicle motor 4 and the motor controller MCU2 in the test process are not too high, and the test bed is closer to the actual application state.
The test bed controls the battery simulator to output power with constant power, controls the real vehicle motor and the motor controller MCU by applying the CAN communication program of the automatic control and measurement system, edits a corresponding durability test program in the automatic control and measurement system by combining road spectrum data, coordinates the loading dynamometers at the left side and the right side to provide corresponding loads, and CAN perform a central integrated electric drive bridge durability test.
The test bed can also carry out debugging, calibration and various performance simulation tests on the multi-gear integrated electric drive bridge assembly, and simultaneously verify the reliability of a control strategy and a control algorithm, thereby providing sufficient product development verification test data.
Claims (2)
1. A test stand for central integrated electric drive bridge durability testing, the test stand comprising: the system comprises a battery simulator (1), a motor controller MCU (2), a real vehicle motor (4), a central integrated electric drive bridge (5), a left side torque and rotating speed sensor (6), a left side output gear box (7), a left side loading dynamometer (8), a right side torque and rotating speed sensor (9), a right side output gear box (10), a right side loading dynamometer (11), an alternating current voltage and current sensor (12), a direct current voltage and current sensor (13), an electric drive bridge TCU (15), a power analyzer (16) and a control and measurement system (17);
the central integrated electric drive bridge (5) is connected with the real vehicle motor (4), the two are integrally fixed on a bracket of the test bed, and the left output end of the central integrated electric drive bridge (5) is connected with a left torque and speed sensor (6), a left output gear box (7) and a left loading dynamometer (8); the right output end of the central integrated electric drive bridge (5) is connected with a right torque and rotation speed sensor (9), a right output gear box (10) and a right loading dynamometer (11); the real vehicle motor (4) is connected with the motor controller MCU (2) through an alternating current power line; the battery simulator (1) is connected with the motor controller MCU (2) through a direct current power line and supplies power to the motor controller MCU (2); the alternating voltage and current sensor (12) is connected with an alternating power line close to the end of the real vehicle motor (4); the direct current voltage and current sensor (13) is connected with a direct current power line close to the end of the motor controller MCU (2); the alternating current voltage and current sensor (12) and the direct current voltage and current sensor (13) are respectively connected with the power analyzer (16); the power analyzer (16) is connected with the control and measurement system (17) and is used for feeding back a power analysis result to the control and measurement system (17);
the motor controller MCU (2) in the test bed is connected with a control and measurement system (17) through a CAN bus; the control and measurement system (17) sends a motor rotating speed signal to the motor controller MCU (2), and the motor controller MCU (2) controls the motor rotating speed;
install on central authorities' integrated form electricity drive bridge (5) in the test bench and drive bridge TCU (15), electricity drive bridge TCU (15) are connected with control and measurement system (17) through the CAN bus, and control and measurement system (17) send motor speed signal to electricity drive bridge TCU (15), drive bridge driving motor rotational speed by electricity drive bridge TCU (15) control electricity.
2. Test bench for central integrated electric drive bridge endurance test according to claim 1, characterized in that it further comprises a dual channel cooling system (3) connected to the real vehicle motor (4) and the motor controller MCU (2), respectively, constituting two cooling circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920968484.7U CN210090041U (en) | 2019-06-25 | 2019-06-25 | Test bed for testing durability of central integrated electric drive bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920968484.7U CN210090041U (en) | 2019-06-25 | 2019-06-25 | Test bed for testing durability of central integrated electric drive bridge |
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| CN210090041U true CN210090041U (en) | 2020-02-18 |
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| CN201920968484.7U Active CN210090041U (en) | 2019-06-25 | 2019-06-25 | Test bed for testing durability of central integrated electric drive bridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551850A (en) * | 2020-04-10 | 2020-08-18 | 一汽解放汽车有限公司 | Testing system for wheel-side electrically-driven bridge abutment test |
| CN111855197A (en) * | 2020-07-22 | 2020-10-30 | 武汉理工通宇新源动力有限公司 | Test bed for testing electric drive axle assembly |
-
2019
- 2019-06-25 CN CN201920968484.7U patent/CN210090041U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551850A (en) * | 2020-04-10 | 2020-08-18 | 一汽解放汽车有限公司 | Testing system for wheel-side electrically-driven bridge abutment test |
| CN111855197A (en) * | 2020-07-22 | 2020-10-30 | 武汉理工通宇新源动力有限公司 | Test bed for testing electric drive axle assembly |
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