CN115113042A - Drive motor test framework for new energy vehicle and control method - Google Patents
Drive motor test framework for new energy vehicle and control method Download PDFInfo
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- CN115113042A CN115113042A CN202210574430.9A CN202210574430A CN115113042A CN 115113042 A CN115113042 A CN 115113042A CN 202210574430 A CN202210574430 A CN 202210574430A CN 115113042 A CN115113042 A CN 115113042A
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- inverter
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000005259 measurement Methods 0.000 claims description 6
- 239000000110 cooling liquid Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 abstract description 9
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011981 development test Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to a test framework and a control method of a driving motor for a new energy vehicle, which comprises a motor simulator, a dynamometer base, a cooling system, a Can tool, a centralized control system, a tested body, a power analyzer, a first inverter and a second inverter, wherein the motor simulator is connected with the dynamometer base through a power supply; one end of the motor simulator is connected with a public power grid, the other end of the motor simulator is connected with a first inverter and a second inverter, the other end of the first inverter is connected with a Can tool, a cooling system and a tested body, the other end of the second inverter is connected with the Can tool, the cooling system and a dynamometer, the Can tool is also connected with a centralized control system, the cooling system is also connected with the tested body, the dynamometer and the centralized control system, the dynamometer is connected with the tested body through a dynamometer base, the dynamometer base is also connected with the centralized control system, and a power analyzer is connected with the inverters and the tested body; the invention can meet various high-precision and high-efficiency test requirements of the driving motor, and the test saves more than 80% of electricity.
Description
Technical Field
The invention relates to the technical field of energy conservation and environmental protection, in particular to a driving motor test framework for a new energy vehicle and a control method.
Background
In the whole vehicle development process, a large number of performance, reliability and function development tests need to be carried out on the electric drive system of the new energy vehicle to ensure the development quality and the closed-loop design problem and ensure that no serious quality problem exists in the whole vehicle life cycle, a large number of tests need to be carried out in the test process and a large amount of electricity is needed, and the current driving machine test framework in the industry consumes huge cost due to electric power loss, so that how to solve the problem that the test cost is higher becomes a difficult problem.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of high power consumption and high cost in the prior art, so that a test framework and a control method for a driving motor for a new energy vehicle are provided.
A test framework of a driving motor for a new energy vehicle comprises a motor simulator, a dynamometer base, a cooling system, a Can tool, a centralized control system, a tested body, a power analyzer, a first inverter and a second inverter;
one end of the motor simulator is connected with a public power grid, the other end of the motor simulator is connected with the first inverter and the second inverter, the other end of the first inverter is connected with a Can tool, a cooling system and a measured body, the other end of the second inverter is connected with a Can tool, a cooling system and a dynamometer, the Can tool is further connected with the centralized control system, the cooling system is further connected with the measured body, the dynamometer and the centralized control system, the dynamometer is connected with the measured body through the dynamometer base, the dynamometer base is further connected with the centralized control system, and the power analyzer is connected with the inverter and the measured body; the first inverter controls a measured object, and the second inverter controls a dynamometer.
Furthermore, a shaft system is arranged on the dynamometer base, the rotating speed measurement and the torque measurement can be realized through the shaft system, and the dynamometer is physically connected with the measured body through the dynamometer base.
Furthermore, the power analyzer is provided with a voltage sensor, a current sensor, a torque sensor and a rotating speed sensor.
Further, the voltage range of the battery simulator is 200-1200V, and the current is 1200A.
Further, the rotating speed of the dynamometer is 20000rpm, the power is 300kW, and the torque is 550 Nm.
Further, the rotating speed of the shaft system is 20000rpm, the power is 300kW, and the torque is 550 Nm.
A control method of a driving motor test framework for a new energy vehicle is characterized in that a battery simulator obtains electricity through a public power grid and supplies power to a first inverter and a second inverter; the cooling system cools the dynamometer, the second inverter, the measured object and the first inverter. The Can tool receives a centralized control system signal and controls the rotating speed or the torque of the first inverter and the second inverter; the first inverter is used for controlling the rotating speed or the torque of the detected body; the second inverter is used for controlling the rotating speed or the torque of the dynamometer; the power analyzer analyzes data through a voltage sensor, a current sensor, a torque sensor and a rotating speed sensor; the centralized control system analyzes and records the data of the current and the voltage acquired by the power analyzer and the rotating speed and the torque acquired by the dynamometer base, and simultaneously controls the voltage output by the battery simulator, the temperature and the flow of the cooling liquid output by the cooling system, and analyzes and records the data.
The invention can meet various high-precision and high-efficiency test requirements of the driving motor, and the test saves more than 80% of electricity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the present invention;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should 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 meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
A test framework of a driving motor for a new energy vehicle comprises a motor simulator, a dynamometer base, a cooling system, a Can tool, a centralized control system, a tested body, a power analyzer, a first inverter and a second inverter;
one end of the motor simulator is connected with a public power grid, the other end of the motor simulator is connected with the first inverter and the second inverter, the other end of the first inverter is connected with a Can tool, a cooling system and a measured body, the other end of the second inverter is connected with a Can tool, a cooling system and a dynamometer, the Can tool is further connected with the centralized control system, the cooling system is further connected with the measured body, the dynamometer and the centralized control system, the dynamometer is connected with the measured body through the dynamometer base, the dynamometer base is further connected with the centralized control system, and the power analyzer is connected with the inverter and the measured body; the first inverter controls a measured object, and the second inverter controls a dynamometer.
Furthermore, a shaft system is arranged on the dynamometer base, the rotating speed measurement and the torque measurement can be realized through the shaft system, and the dynamometer is physically connected with the measured body through the dynamometer base.
Furthermore, the power analyzer is provided with a voltage sensor, a current sensor, a torque sensor and a rotating speed sensor, and the power analyzer analyzes data through the voltage sensor, the current sensor, the torque sensor and the rotating speed sensor.
Further, the voltage range of the battery simulator is 200-1200V, and the current is 1200A.
Further, the rotating speed of the dynamometer is 20000rpm, the power is 300kW, and the torque is 550 Nm.
Further, the rotating speed of the shaft system is 20000rpm, the power is 300kW, and the torque is 550 Nm.
Furthermore, the cooling system is provided with cooling liquid with the temperature of-40 to 105 ℃, and the flow rate is 2 to 30L/min.
The invention also comprises a control method of the test framework of the driving motor for the new energy vehicle, wherein the battery simulator obtains electricity through a public power grid and supplies power to the first inverter and the second inverter; the cooling system cools the dynamometer, the second inverter, the measured object and the first inverter. The Can tool receives a centralized control system signal and controls the rotating speed or the torque of the first inverter and the second inverter; the first inverter is used for controlling the rotating speed or the torque of the detected body; the second inverter is used for controlling the rotating speed or the torque of the dynamometer; the power analyzer analyzes data through a voltage sensor, a current sensor, a torque sensor and a rotating speed sensor; the centralized control system analyzes and records the data of the current and the voltage acquired by the power analyzer and the rotating speed and the torque acquired by the dynamometer base, and simultaneously controls the voltage output by the battery simulator, the temperature and the flow of the cooling liquid output by the cooling system, and analyzes and records the data.
The working principle is as follows: the battery simulator obtains electricity through a public power grid and supplies power to the first inverter and the second inverter at the same time; the centralized control system respectively controls the rotating speed and the torque of the tested body and the dynamometer through the Can tool, the first inverter and the second inverter, records relevant test data and performs relevant tests. When the dynamometer is used, the tested body is driven to generate electricity, and when the tested body is used, the dynamometer is driven to generate electricity. The battery simulator can save more than 80% of electricity because of the need of compensating the power loss caused by the failure of the dynamometer system and the efficiency of the tested body to reach 100% for power compensation.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. A test framework of a driving motor for a new energy vehicle is characterized by comprising a motor simulator, a dynamometer base, a cooling system, a Can tool, a centralized control system, a tested body, a power analyzer, a first inverter and a second inverter;
one end of the motor simulator is connected with a public power grid, the other end of the motor simulator is connected with the first inverter and the second inverter, the other end of the first inverter is connected with a Can tool, a cooling system and a measured body, the other end of the second inverter is connected with a Can tool, a cooling system and a dynamometer, the Can tool is further connected with the centralized control system, the cooling system is further connected with the measured body, the dynamometer and the centralized control system, the dynamometer is connected with the measured body through the dynamometer base, the dynamometer base is further connected with the centralized control system, and the power analyzer is connected with the inverter and the measured body; the first inverter controls a measured object, and the second inverter controls a dynamometer.
2. The testing architecture of the driving motor for the new energy vehicle as claimed in claim 1, wherein a shafting is arranged on the dynamometer base, and the rotation speed measurement and the torque measurement can be realized through the shafting, and the dynamometer is physically connected with a tested body through the dynamometer base.
3. The testing architecture of the driving motor for the new energy vehicle according to claim 1, wherein the power analyzer is provided with a voltage sensor, a current sensor, a torque sensor and a rotation speed sensor.
4. The testing framework for the driving motor of the new energy vehicle as claimed in claim 1, wherein the voltage range of the battery simulator is 200-1200V, and the current is 1200A.
5. The testing framework of the driving motor for the new energy vehicle as claimed in claim 1, wherein the rotation speed of the dynamometer is 20000rpm, the power is 300kW, and the torque is 550 Nm.
6. The testing framework of the driving motor for the new energy vehicle as claimed in claim 2, wherein the rotation speed of the shaft system is 20000rpm, the power is 300kW, and the torque is 550 Nm.
7. The testing framework for the driving motor of the new energy vehicle as claimed in claim 1, wherein the cooling system contains cooling liquid at-40 to 105 ℃, and the flow rate is 2 to 30L/min.
8. The control method of the driving motor test framework for the new energy vehicle according to claims 1 to 7, characterized in that the battery simulator gets power through a public power grid and supplies power to the first inverter and the second inverter; the cooling system cools the dynamometer, the second inverter, the measured object and the first inverter. The Can tool receives a centralized control system signal and controls the rotating speed or the torque of the first inverter and the second inverter; the first inverter is used for controlling the rotating speed or the torque of the detected body; the second inverter is used for controlling the rotating speed or the torque of the dynamometer; the power analyzer analyzes data through a voltage sensor, a current sensor, a torque sensor and a rotating speed sensor; the centralized control system analyzes and records the data of the current and the voltage collected by the power analyzer and the rotating speed and the torque collected by the dynamometer base, and simultaneously controls the voltage output by the battery simulator and the temperature and the flow of the cooling liquid output by the cooling system, and analyzes and records the data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210574430.9A CN115113042A (en) | 2022-05-25 | 2022-05-25 | Drive motor test framework for new energy vehicle and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210574430.9A CN115113042A (en) | 2022-05-25 | 2022-05-25 | Drive motor test framework for new energy vehicle and control method |
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| CN115113042A true CN115113042A (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210574430.9A Pending CN115113042A (en) | 2022-05-25 | 2022-05-25 | Drive motor test framework for new energy vehicle and control method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072821A (en) * | 2010-11-17 | 2011-05-25 | 无锡迈为电子技术有限公司 | Novel electric vehicle testing device |
| CN102495367A (en) * | 2011-12-05 | 2012-06-13 | 奇瑞汽车股份有限公司 | Delivery test system and method for motor for pure electric vehicle |
| CN107272662A (en) * | 2017-07-27 | 2017-10-20 | 山东大学 | A kind of driving motor for electric automobile and controller calibration system and scaling method |
| CN111238832A (en) * | 2020-02-27 | 2020-06-05 | 中国重汽集团济南动力有限公司 | Automatic working condition testing system and method for electric driving system of new energy automobile |
| CN210742701U (en) * | 2019-12-21 | 2020-06-12 | 郑州意昂新能源汽车科技有限公司 | Three-station rack joint debugging simulation test system |
| CN112622856A (en) * | 2020-12-25 | 2021-04-09 | 中国第一汽车股份有限公司 | Regenerative braking method and device for hybrid power assembly rack, vehicle and medium |
-
2022
- 2022-05-25 CN CN202210574430.9A patent/CN115113042A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072821A (en) * | 2010-11-17 | 2011-05-25 | 无锡迈为电子技术有限公司 | Novel electric vehicle testing device |
| CN102495367A (en) * | 2011-12-05 | 2012-06-13 | 奇瑞汽车股份有限公司 | Delivery test system and method for motor for pure electric vehicle |
| CN107272662A (en) * | 2017-07-27 | 2017-10-20 | 山东大学 | A kind of driving motor for electric automobile and controller calibration system and scaling method |
| CN210742701U (en) * | 2019-12-21 | 2020-06-12 | 郑州意昂新能源汽车科技有限公司 | Three-station rack joint debugging simulation test system |
| CN111238832A (en) * | 2020-02-27 | 2020-06-05 | 中国重汽集团济南动力有限公司 | Automatic working condition testing system and method for electric driving system of new energy automobile |
| CN112622856A (en) * | 2020-12-25 | 2021-04-09 | 中国第一汽车股份有限公司 | Regenerative braking method and device for hybrid power assembly rack, vehicle and medium |
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