CN112255491A - Electric drive assembly test system and test method of electric drive assembly test system - Google Patents
Electric drive assembly test system and test method of electric drive assembly test system Download PDFInfo
- Publication number
- CN112255491A CN112255491A CN202011543675.2A CN202011543675A CN112255491A CN 112255491 A CN112255491 A CN 112255491A CN 202011543675 A CN202011543675 A CN 202011543675A CN 112255491 A CN112255491 A CN 112255491A
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- electric drive
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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
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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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
- G01R31/003—Environmental or reliability tests
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- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses an electric drive assembly test system and a test method thereof, wherein the electric drive assembly test system comprises: dynamometer systems and auxiliary systems. The dynamometer system is used for measuring the operation parameters of the electric drive assembly test system and controlling and monitoring the operation condition of the electric drive assembly test system; the assistance system includes: environment cabin subassembly and water cooling system, water cooling system is used for carrying out the heat transfer to the electric drive assembly, environment cabin subassembly includes: high low temperature environment cabin and simple and easy environment cabin, battery system in the electric drive assembly sets up in the high low temperature environment cabin, power assembly system in the electric drive assembly sets up simple and easy environment cabin, battery system with power assembly system electricity is connected. The electric drive assembly test system is low in overall cost, test cost can be effectively reduced, and the operation stability of the electric drive assembly test system is good.
Description
Technical Field
The invention relates to the technical field of vehicle testing, in particular to an electric drive assembly testing system and a testing method of the electric drive assembly testing system.
Background
The environmental adaptability test of the traditional electric drive assembly is mostly carried out in an integral large-scale environment cabin (an environment cabin with a larger volume) or a high-temperature and high-cold test base, but the integral large-scale environment cabin has larger floor area, limited installation space and higher cost, and the test cost for carrying out the test in the high-temperature and high-cold test base is more expensive, so that the improvement space exists.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the invention provides an electric drive assembly testing system which is low in overall cost and capable of effectively reducing testing cost.
The invention further provides a testing method of the electric drive assembly testing system.
An electric drive assembly testing system according to an embodiment of the present invention includes: a dynamometer system for measuring operating parameters of the electric drive assembly test system and controlling and monitoring operating conditions of the electric drive assembly test system; an assistance system, the assistance system comprising: environment cabin subassembly and water cooling system, water cooling system is used for carrying out the heat transfer to the electric drive assembly, environment cabin subassembly includes: high low temperature environment cabin and simple and easy environment cabin, battery system in the electric drive assembly sets up in the high low temperature environment cabin, power assembly system in the electric drive assembly sets up simple and easy environment cabin, battery system with power assembly system electricity is connected.
According to the electric drive assembly testing system provided by the embodiment of the invention, the overall cost of the electric drive assembly testing system is lower, the testing cost can be effectively reduced, and the running stability of the electric drive assembly testing system is better.
In addition, the electric drive assembly test system according to the embodiment of the invention can also have the following additional technical characteristics:
according to some embodiments of the invention, the environmental facile capsule comprises: simple and easy cabin body and portable small-size environmental chamber, power assembly system sets up simple and easy cabin is internal, simple and easy cabin body with the intercommunication has gas transmission channel between the portable small-size environmental chamber.
According to some embodiments of the invention, the dynamometer system includes: the dynamometer is suitable for providing a load for the power assembly system, the frequency converter is used for controlling the starting and the stopping of the dynamometer and the rotating speed, and the sensor is used for measuring the rotating speed and the torque of the output end of the power assembly system.
According to some embodiments of the invention, the dynamometer system further comprises: and the control measurement monitoring system is respectively communicated with the frequency converter and the sensor.
According to some embodiments of the invention, the control measurement monitoring system is further in communication with the high and low temperature environmental chamber and the mobile small environmental chamber, respectively.
According to some embodiments of the invention, the control measurement monitoring system is further in communication with the electric drive assembly and the water cooling system, respectively.
According to some embodiments of the invention, the assistance system further comprises: a power analyzer electrically connected to the electric drive assembly, the power analyzer in communication with the control measurement monitoring system.
According to some embodiments of the invention, the water cooling system comprises: a first circulation loop flowing through the battery system and a second circulation loop flowing through the powertrain system.
A method of testing an electric drive assembly test system according to another aspect of the present invention, the method comprising: the power analyzer collects the voltage and current of the output side of the battery system and transmits the collected electric signals to the control measurement monitoring system; respectively arranging cooling water environments of the battery system and the power assembly system; respectively arranging high and low temperature environments of the battery system and the power assembly system; when the control, measurement and monitoring system monitors that the cooling water environment and the high and low temperature environment reach set values and signals fed back by the battery system and the power assembly system are normal, the control, measurement and monitoring system controls the battery system to output high voltage to the power assembly system, and the power assembly system operates at a target torque; the sensor measures the rotating speed and the torque of the power assembly system and directly transmits the rotating speed and the torque into the control measurement monitoring system.
According to some embodiments of the invention, the testing method further comprises: the control measurement monitoring system controls the start of the dynamometer through the frequency converter and controls the rotating speed of the dynamometer to be a target rotating speed.
Drawings
FIG. 1 is a schematic diagram of an electrical drive assembly testing system according to an embodiment of the present invention;
FIG. 2 is a flow chart of a testing method according to an embodiment of the invention.
Reference numerals:
the system comprises an electric drive assembly testing system 100, a dynamometer system 1, an auxiliary system 2, an environment chamber component 21, a water cooling system 22, a high-low temperature environment chamber 211, a simple environment chamber 212, an electric drive assembly 200, a battery system 201, a power assembly system 202, a simple chamber body 2121, a movable small environment chamber 2122, a gas transmission channel 2123, a dynamometer 11, a frequency converter 12, a sensor 13, a control measurement monitoring system 14, a power analyzer 23, a first circulation loop 221, a second circulation loop 222, a water cooling machine 223, a battery manager 2011, a power battery 2012, a motor controller 2021, a motor 2022 and a speed reducer 2023.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and 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 considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
An electric drive assembly testing system 100 according to an embodiment of the present invention is described below with reference to FIG. 1.
An electric drive assembly testing system 100 according to an embodiment of the present invention may include: a dynamometer system 1 and an auxiliary system 2.
As shown in fig. 1, an electric drive assembly testing system 100 according to an embodiment of the present invention is used for performing environmental suitability testing on an electric drive assembly 200 under high and low temperatures, for example, performance and reliability testing on the electric drive assembly 200 under high and low temperature environments may be performed, including: the system comprises an efficiency test, a temperature rise test, a fault test, a strategy verification, a durability test and the like, can make up for the problem of insufficient verification at normal temperature, and enriches system verification data in high and low temperature environments.
The environmental suitability test of the conventional electric drive assembly 200 is mostly performed in an integral large-scale environmental chamber (an environmental chamber with a large volume) or a high-temperature and high-cold test base, but the integral large-scale environmental chamber has a large floor area, a limited installation space and high cost, and the test cost for performing the test in the high-temperature and high-cold test base is expensive.
Therefore, the embodiment of the invention designs a simple electric drive assembly testing system 100, and a small-sized environment cabin is used for modification, so that the purchasing cost of a large-sized environment cabin can be saved, the testing cost can be saved, the existing resources can be effectively utilized, and the maximization of resource utilization can be realized.
Wherein the auxiliary system 2 comprises: the environment chamber component 21 and the water cooling system 22, the water cooling system 22 is used for exchanging heat to the electric drive assembly 200, so as to ensure that the electric drive assembly 200 can operate in a stable state, and the test result is more accurate.
And the environmental chamber assembly 21 includes: high low temperature environment cabin 211 and simple and easy environment cabin 212, wherein, high low temperature environment cabin 211 is the small-size high low temperature environment cabin 211 that the volume is less, and battery system 201 among the electric drive assembly 200 sets up in high low temperature environment cabin 211, because battery system 201 receives high low temperature environment influence to show, consequently puts into dedicated environment cabin battery system 201 alone, because power assembly system 202 receives high low temperature environment influence not highly required, consequently sets up power assembly system 202 in the drive assembly in simple and easy environment cabin 212 to save cost. The battery system 201 is electrically connected with the powertrain system 202, so that the battery system 201 can provide electric energy to the powertrain system 202 to enable the powertrain system 202 to normally operate, thereby ensuring normal operation of the test.
Therefore, the environment cabin adopted during the test of the electric drive assembly 200 can be simplified on the premise of not influencing the normal test, so that the test cost is effectively reduced.
Further, the dynamometer system 1 is used for controlling the whole electric drive assembly testing system 100, and is used for measuring the operation parameters of the electric drive assembly testing system 100 and controlling and monitoring the operation condition of the electric drive assembly testing system 100, so as to ensure the stable operation of the whole testing system and obtain an accurate test data result.
According to the electric drive assembly testing system 100 of the embodiment of the invention, the overall cost of the electric drive assembly testing system 100 is low, the testing cost can be effectively reduced, and the operation stability of the electric drive assembly testing system 100 is better.
As shown in fig. 1, the simple environment compartment 212 includes: a simple cabin 2121 and a mobile small environmental chamber 2122, wherein the power assembly 202 is disposed in the simple cabin 2121, and a gas transmission passage 2123 is connected between the simple cabin 2121 and the mobile small environmental chamber 2122. That is, the mobile small-sized environmental chamber 2122 is communicated with the simple chamber body 2121 through the gas transmission passage 2123, the temperature of the mobile small-sized environmental chamber 2122 is set according to the environmental temperature required by the test of the powertrain system 202, and when the temperature in the chamber is close to the set temperature, the high-temperature and low-temperature gas in the chamber is input into the simple chamber body 2121 through the gas transmission passage 2123, so that the powertrain system 202 is placed in the high-temperature and low-temperature environment.
That is, the simulation of the high and low temperature environment temperature required by the test of the powertrain system 202 can be indirectly provided by the mobile small-sized environment chamber 2122, and since the high and low temperature environment chamber dedicated to the powertrain system 202 is expensive, the cost of the electric drive assembly test system 100 and the test can be increased, so that the cost is lower and the utilization rate is higher by modifying the mobile small-sized environment chamber 2122, and the simple chamber 2121 with changeable shape can be manufactured according to the different appearance structures of the tested object, so as to store and place different tested objects, so as to provide suitable operating environments for different tested objects.
Preferably, the exterior of the simple cabin 2121 may be wrapped with a thermal insulation material to further improve the thermal insulation performance of the simple cabin 2121, so as to ensure the accuracy of the test result.
Referring to fig. 1, a dynamometer system 1 includes: the dynamometer 11, the frequency converter 12 and the sensor 13, wherein the dynamometer 11 cooperates with the powertrain system 202 to provide a load to the powertrain system 202 so as to simulate the real operation condition of the powertrain system 202, the frequency converter 12 is used for controlling the start and stop and the rotation speed of the dynamometer 11 so that the dynamometer 11 can provide different loads to the powertrain system 202, and the sensor 13 is used for measuring the rotation speed and the torque at the output end of the powertrain system 202, that is, the sensor 13 is used for measuring the rotation speed and the torque at the output side of two half shafts of the reducer 2023 in the powertrain system 202.
Further, the dynamometer system 1 further includes: the control measurement monitoring system 14 is used for controlling the measurement monitoring system 14 to be communicated with the frequency converter 12 and the sensor 13 respectively, so that the control measurement monitoring system 14 can control the starting and the closing and the rotating speed of the dynamometer 11 by controlling the frequency converter 12, and the rotating speed and the torque of the output side of the half shaft of the speed reducer 2023 can be transmitted into the control measurement monitoring system 14 by the sensor 13, and finally the dynamic performance of the power assembly system 202 under the high and low temperature environment is obtained through analysis.
Still further, the control, measurement and monitoring system 14 is also in communication with the high-low temperature environment chamber 211 and the mobile small-sized environment chamber 2122, so as to monitor and collect the high-low temperature environment temperature of the battery system 201 and the powertrain system 202 in real time, so that the test can run stably.
Still further, the control measurement monitoring system 14 is also in communication with the electric drive assembly 200 and the water cooling system 22, respectively. The power battery 2012 and the motor Controller 2021 CAN be connected to the control measurement monitoring system 14 via a CAN (Controller Area Network) line, so as to perform real-time monitoring, and the control measurement monitoring system 14 CAN also perform real-time monitoring on the water cooling system 22, so as to ensure that the power assembly system 202 CAN operate in a stable state, thereby ensuring the accuracy of the test result.
As shown in fig. 1, the auxiliary system 2 further includes: and the power analyzer 23, the power analyzer 23 is electrically connected with the electric drive assembly 200 to acquire the voltage and the current at the output side of the power battery 2012, and the power analyzer 23 is communicated with the control measurement monitoring system 14 to transmit the acquired electric signals to the control measurement monitoring system 14 through a network cable.
Referring to fig. 1, the water cooling system 22 includes: a first circulation loop 221 and a second circulation loop 222, wherein the first circulation loop 221 flows through the battery system 201, and the second circulation loop 222 flows through the powertrain system 202. Namely, the battery system 201 and the powertrain system 202 perform independent heat exchange through two circulation loops, thereby ensuring the heat exchange effect.
Specifically, the first circulation loop 221 is used for cooling the battery system 201, the first circulation loop 221 flows out of the water cooler 223 and then flows into the water inlet of the battery system 201, and finally returns to the water cooler 223 from the water outlet of the battery system 201, the second circulation loop is used for cooling the power assembly system 202, the second circulation loop flows out of the water cooler 223 and then flows into the motor controller 2021 and the water inlet of the motor 2022 in sequence, and finally returns to the water cooler 223 from the water outlet of the motor 2022.
A method of testing an electric drive assembly testing system 100 according to another aspect of the present invention, as shown in fig. 2, includes:
the power analyzer 23 collects the voltage and current at the output side of the battery system 201 and transmits the collected electric signals to the control, measurement and monitoring system 14; for example, transmission is performed through a network cable.
Respectively setting cooling water environments of a battery system 201 and a power assembly system 202; wherein the cooling water environment comprises: the parameters such as the temperature and the flow rate of the cooling water can be set by adjusting the cooling system 22, or by controlling an upper computer of the measurement and monitoring system 14.
Respectively setting high and low temperature environments of a battery system 201 and a power assembly system 202; wherein, high low temperature environment includes: the parameters such as the ambient temperature and the ambient humidity can be set by adjusting the environmental chamber assembly 21, and the parameters of the environmental conditions can also be set by controlling the upper computer of the measurement and monitoring system 14.
When the cooling water environment and the high and low temperature environment reach set values and the signals fed back by the battery system 201 and the power assembly system 202 are normal as monitored by the monitoring measurement control system 14, controlling the measurement monitoring system 14 to control the battery system 201 to output high voltage electricity to the power assembly system 202 so as to enable the power assembly system 202 to operate at a target torque; namely, the control measurement monitoring system controls the battery manager 2011 through signals to ensure that the power battery 2012 can output high voltage electricity to the outside, the high voltage electricity output by the power battery 2012 is supplied to the motor controller 2021, the motor controller 2021 controls the motor 2022 to operate at a target torque, and after the motor 2022 operates, power is transmitted to the dynamometer 11 on the left side and the right side through the speed reducer 2023 and the half shafts on the two sides.
The control measurement monitoring system controls the dynamometer 11 to start through the frequency converter 12, and controls the rotating speed of the dynamometer 11 to be a target rotating speed so as to apply load to the power assembly system 202;
the sensor 13 measures the rotation speed and torque of the output side of the half shaft of the reducer 2023 in the power assembly system 202, and directly transmits the data to the control measurement monitoring system 14, so as to finally pass the collected verification data under the high and low temperature environment and perform analysis, thereby realizing the performance and reliability test of the electric drive assembly 200 under the high and low temperature environment.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. An electric drive assembly test system, comprising:
a dynamometer system (1), the dynamometer system (1) being used for measuring the operation parameters of the electric drive assembly testing system (100) and controlling and monitoring the operation condition of the electric drive assembly testing system (100);
an assistance system (2), the assistance system (2) comprising: environment cabin subassembly (21) and water cooling system (22), water cooling system (22) are used for carrying out the heat transfer to electric drive assembly (200), environment cabin subassembly (21) includes: the electric drive assembly comprises a high-low temperature environment cabin (211) and a simple environment cabin (212), wherein a battery system (201) in the electric drive assembly (200) is arranged in the high-low temperature environment cabin (211), a power assembly system (202) in the electric drive assembly (200) is arranged in the simple environment cabin (212), and the battery system (201) is electrically connected with the power assembly system (202).
2. The electric drive assembly testing system of claim 1, wherein the clean environment compartment (212) comprises: the simple and easy cabin body (2121) and portable small-size environmental chamber (2122), power assembly system (202) set up in the simple and easy cabin body (2121), the simple and easy cabin body (2121) with it has gas transmission channel (2123) to communicate between portable small-size environmental chamber (2122).
3. The electric drive assembly testing system of claim 2, wherein the dynamometer system (1) includes: the power measuring system comprises a dynamometer (11), a frequency converter (12) and a sensor (13), wherein the dynamometer (11) is suitable for providing load for the power assembly system (202), the frequency converter (12) is used for controlling the starting and the closing of the dynamometer (11) and the rotating speed, and the sensor (13) is used for measuring the rotating speed and the torque of the output end of the power assembly system (202).
4. The electric drive assembly testing system of claim 3, wherein the dynamometer system (1) further comprises: a control measurement monitoring system (14), the control measurement monitoring system (14) being in communication with the frequency converter (12) and the sensor (13), respectively.
5. An electric drive assembly testing system according to claim 4, wherein the control measurement monitoring system (14) is further in communication with the high and low temperature environmental chamber (211) and the mobile mini-environmental chamber (2122), respectively.
6. The electric drive assembly testing system of claim 4, wherein the control measurement monitoring system (14) is further in communication with the electric drive assembly (200) and the water cooling system (22), respectively.
7. An electric drive assembly testing system according to claim 4, wherein the auxiliary system (2) further comprises: a power analyzer (23), said power analyzer (23) being electrically connected to said electric drive assembly (200), said power analyzer (23) being in communication with said control measurement monitoring system (14).
8. The electric drive assembly testing system of claim 1, wherein the water cooling system (22) comprises: a first circulation loop (221) and a second circulation loop (222), the first circulation loop (221) flowing through the battery system (201), the second circulation loop (222) flowing through the powertrain system (202).
9. A method of testing an electric drive assembly test system according to any one of claims 1-8, the method comprising:
the power analyzer (23) collects the voltage and the current of the output side of the battery system (201) and transmits the collected electric signals to the control, measurement and monitoring system (14);
respectively setting cooling water environments of the battery system (201) and the power assembly system (202);
respectively setting high and low temperature environments of the battery system (201) and the power assembly system (202);
when the control measurement monitoring system (14) monitors that a cooling water environment and a high-low temperature environment reach set values and signals fed back by the battery system (201) and the power assembly system (202) are normal, the control measurement monitoring system (14) controls the battery system (201) to output high voltage electricity to the outside to supply the power assembly system (202), and the power assembly system (202) operates at a target torque;
the sensor (13) measures the rotating speed and the torque of the power assembly system (202) and directly transmits the rotating speed and the torque into the control measurement monitoring system (14).
10. The method of testing an electric drive assembly testing system of claim 9, further comprising:
the control measurement monitoring system (14) controls the dynamometer (11) to start through the frequency converter (12), and controls the rotating speed of the dynamometer (11) to be a target rotating speed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011543675.2A CN112255491A (en) | 2020-12-24 | 2020-12-24 | Electric drive assembly test system and test method of electric drive assembly test system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011543675.2A CN112255491A (en) | 2020-12-24 | 2020-12-24 | Electric drive assembly test system and test method of electric drive assembly test system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0477645A (en) * | 1990-07-19 | 1992-03-11 | Zexel Corp | Test chamber for vehicle |
| KR20050011883A (en) * | 2003-07-24 | 2005-01-31 | (주)한국비이피 | Environmental test chamber for a vehicle |
| CN106769105A (en) * | 2017-02-24 | 2017-05-31 | 山东大学 | A kind of power system of electric automobile and controller synthesis test-bed and method |
| CN107340441A (en) * | 2017-06-07 | 2017-11-10 | 同济大学 | A kind of fuel cell car power assembly integrated test system |
| CN109900483A (en) * | 2017-12-10 | 2019-06-18 | 湘潭智联技术转移促进有限责任公司 | A kind of automobile on-line detecting system |
| CN210090640U (en) * | 2019-06-13 | 2020-02-18 | 重庆理工清研凌创测控科技有限公司 | A test bin for new energy automobile motor |
| CN210802923U (en) * | 2019-10-30 | 2020-06-19 | 华域麦格纳电驱动系统有限公司 | New energy automobile electric drive system is to dragging rack |
-
2020
- 2020-12-24 CN CN202011543675.2A patent/CN112255491A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0477645A (en) * | 1990-07-19 | 1992-03-11 | Zexel Corp | Test chamber for vehicle |
| KR20050011883A (en) * | 2003-07-24 | 2005-01-31 | (주)한국비이피 | Environmental test chamber for a vehicle |
| CN106769105A (en) * | 2017-02-24 | 2017-05-31 | 山东大学 | A kind of power system of electric automobile and controller synthesis test-bed and method |
| CN107340441A (en) * | 2017-06-07 | 2017-11-10 | 同济大学 | A kind of fuel cell car power assembly integrated test system |
| CN109900483A (en) * | 2017-12-10 | 2019-06-18 | 湘潭智联技术转移促进有限责任公司 | A kind of automobile on-line detecting system |
| CN210090640U (en) * | 2019-06-13 | 2020-02-18 | 重庆理工清研凌创测控科技有限公司 | A test bin for new energy automobile motor |
| CN210802923U (en) * | 2019-10-30 | 2020-06-19 | 华域麦格纳电驱动系统有限公司 | New energy automobile electric drive system is to dragging rack |
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Application publication date: 20210122 |