CN114184875A - Test system and method for whole vehicle and test bench - Google Patents
Test system and method for whole vehicle and test bench Download PDFInfo
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- CN114184875A CN114184875A CN202210006860.0A CN202210006860A CN114184875A CN 114184875 A CN114184875 A CN 114184875A CN 202210006860 A CN202210006860 A CN 202210006860A CN 114184875 A CN114184875 A CN 114184875A
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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
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention provides a test system, a test method and a test bench of a whole vehicle, wherein the system comprises: the industrial personal computer is used for sending a test instruction; the vehicle control unit is connected with the industrial personal computer and used for receiving and forwarding the test instruction; and the vehicle devices are respectively connected with the vehicle control unit and used for executing the test instruction. The technical problems that in the prior art, the whole vehicle test is a whole vehicle entity test, and various functions are tested on a rack, so that resource consumption is high and operation is complex are solved.
Description
Technical Field
The invention relates to the field of vehicle testing, in particular to a system and a method for testing a whole vehicle and a test bench.
Background
The functions of the sample vehicle need to be tested in the vehicle design and braking processes, and the vehicle is prevented from being out of factory and causing danger.
Thus, in the prior art, a technician often places a sample vehicle on a rack after the sample vehicle is arranged, and then tests various properties of the vehicle.
However, in the existing vehicle testing mode, each part of a sample vehicle needs to be designed and arranged according to the whole vehicle, and if the sample part has serious problems once, the work of changing the fault sample part is also complicated.
It should be noted that the existing whole vehicle test is a whole vehicle entity test, and various functions are tested on a rack, which results in large resource consumption and complex operation.
Disclosure of Invention
The invention provides a test system and a test method for a whole vehicle and a test bench, which aim to solve the technical problems of high resource consumption and complex operation caused by the fact that the existing whole vehicle test is a whole vehicle entity test and various functions are tested on the bench.
According to a first aspect of the present invention, there is provided a test system for a whole vehicle, the system including: the industrial personal computer is used for receiving a test signal input by a user and generating a test instruction according to the test signal; the vehicle control unit is connected with the industrial personal computer and used for receiving and forwarding the test instruction; and the vehicle devices are respectively connected with the vehicle control unit and used for executing the test instruction.
Further, the plurality of vehicle devices includes: the motor control device is connected with the industrial personal computer through a CAN bus; the dynamometer is connected with the motor control device through a mechanical connecting piece and is used for providing resistance for the motor control device; and the torque sensor is connected with a power analyzer, and the power analyzer is connected with the industrial personal computer through the Ethernet.
Further, the motor control device includes: the motor speed reducer, the motor and the motor controller are integrated on the same circuit board; wherein the motor reducer includes a clutch.
Further, the plurality of vehicle devices further includes: and the charging management device is connected with the industrial personal computer through a CAN bus, and comprises a vehicle-mounted charger, a voltage converter and a power distribution unit which are integrated on the same circuit board.
Further, the charging management device is connected with the motor control device through a high-voltage power line.
Further, the plurality of vehicle devices further includes: and the simulation power supply is connected with the industrial personal computer through a CAN bus and is connected with the charging management device through a high-voltage power line.
Further, the system further comprises: fill electric pile, pass through high-voltage power line with the management device that charges and be connected, wherein, fill electric pile and also be connected with the management device that charges through the CAN bus.
Further, the plurality of vehicle devices further includes: and the low-voltage storage battery is respectively connected with the vehicle control unit, the motor control device and the charging management device through low-voltage power lines.
According to a second aspect of the invention, a method for testing a whole vehicle is provided, which comprises: the industrial personal computer receives a test signal input by a user and generates a test instruction according to the test signal; the vehicle control unit receives a test instruction; the vehicle control unit respectively sends the test instruction to each device of the plurality of vehicle devices; each piece of vehicle equipment executes the test instruction to generate a test result; and each device of the plurality of vehicle devices sends the test result to the industrial personal computer.
According to a third aspect of the present invention there is provided a test rig comprising any one of the systems of the first aspect described above.
This scheme provides a test system and test bench of whole car, and this system includes: the industrial personal computer is used for sending a test instruction; the vehicle control unit is connected with the industrial personal computer and used for receiving and forwarding the test instruction; and the vehicle devices are respectively connected with the vehicle control unit and used for executing the test instruction. The technical problems that in the prior art, the whole vehicle test is a whole vehicle entity test, and various functions are tested on a rack, so that resource consumption is high and operation is complex are solved.
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 diagram of a vehicle testing system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an alternative vehicle test system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an alternative vehicle test system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an alternative vehicle test system according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an alternative vehicle test system according to an embodiment of the present invention;
FIG. 6 is a flow chart of a method for testing a vehicle according to an embodiment of the present invention; and
FIG. 7 is a schematic diagram of an alternative test system according to an embodiment of the invention.
Detailed Description
In order to make the above and other features and advantages of the present invention more apparent, the present invention is further described below with reference to the accompanying drawings. It is understood that the specific embodiments described herein are for purposes of illustration only and are not intended to be limiting.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that the specific details need not be employed to practice the present invention. In other instances, well-known steps or operations are not described in detail to avoid obscuring the invention.
Example one
According to a first aspect of the present invention, there is provided a test system for a whole vehicle, as shown in fig. 1, the system including:
the industrial personal computer 01 is used for receiving a test signal input by a user and generating a test instruction according to the test signal.
And the vehicle control unit 02 is connected with the industrial personal computer 01 and is used for receiving and forwarding the test instruction.
And the vehicle devices 03 are respectively connected with the vehicle control unit 02 and used for executing the test instruction.
Specifically, in this scheme, the test instruction can be generated by simulating various driving actions of a driver on the industrial personal computer by the operator to control the vehicle, such as stepping on an accelerator, braking, engaging in a gear and the like, and the industrial personal computer generates the test instruction and then sends the test instruction to the outside. The industrial computer is connected with vehicle control unit, vehicle control unit is connected with a plurality of vehicle equipment, wherein, the industrial computer sends test instruction to vehicle control unit, after vehicle control unit received above-mentioned test instruction, vehicle control unit only need forward a plurality of equipment of vehicle with above-mentioned test instruction, above-mentioned a plurality of vehicle equipment can be for the equipment that a plurality of vehicles awaited measuring, it needs to explain, compare with current vehicle test scheme, this scheme need not place the vehicle in the rack and test, only need lay a plurality of vehicle equipment that await measuring to test system according to the demand, then receive the test instruction that above-mentioned vehicle control unit sent. After the plurality of vehicle devices to be tested receive the test instruction, the plurality of vehicle devices execute the test instruction.
It should be noted that the industrial personal computer is used for simulating the input of signals of various devices operated by a driver and the acquisition of related data.
Optionally, after the plurality of vehicle devices execute the test instruction, information (test result data) generated by the test by the plurality of vehicle devices may be directly transmitted to the industrial personal computer, the industrial personal computer performs direct information acquisition, or may be transmitted to the vehicle controller, the vehicle controller uniformly transmits the information to the industrial personal computer, and the industrial personal computer performs information acquisition.
This scheme is through the various drive action of operating personnel simulation driver on the industrial computer and control the vehicle and produce the collection of data to test the function of vehicle, compare with current vehicle test scheme, this scheme need not place the whole car in the rack and test, only need lay a plurality of vehicle equipment that await measuring to test system according to the demand, then receive the test instruction that above-mentioned whole vehicle controller sent and generate the test result. Therefore, the scheme can reduce parts of the whole vehicle, and reduces the arrangement difficulty, thereby solving the technical problems of large resource consumption and complex operation caused by the fact that the whole vehicle test is the whole vehicle entity test and various functions are tested on the rack in the prior art.
Optionally, as shown in fig. 2, the plurality of vehicle devices include: the motor control device 031 is connected with the industrial personal computer 01 through a CAN bus; a dynamometer 032 connected with the motor control device 031 through a mechanical connector for providing resistance to the motor control device 031; the torque sensor 033 is connected to a power analyzer (not shown in the figure), and the power analyzer is connected to the industrial personal computer 01 through an ethernet.
Specifically, in the present aspect, the plurality of vehicle devices may include: the motor control device can run according to the resistance, the wind resistance and the gradient provided by the dynamometer, so as to generate a test result of the motor control device. The torque sensor may sense torsional moments on various rotating or non-rotating mechanical components and then generate test results for the torque sensor. Motor control unit and above-mentioned industrial computer pass through CAN bus connection, motor control unit and dynamometer machine pass through mechanical connecting piece and connect, torque sensor is connected with power analyzer, wherein, power analyzer and above-mentioned industrial computer pass through ethernet and connect, wherein, dynamometer machine control speed, the motor control unit simulates the required moment of torsion of corresponding rotational speed, the industrial computer CAN lead in whole car parameter (such as windage curve, tire radius, information such as car weight), the industrial computer CAN also control throttle opening, thereby CAN carry out hundred kilometers of test and the test of continuation of the journey operating mode to whole car, and send the data that produce to above-mentioned industrial computer and take notes.
Alternatively, the dynamometer may be coupled to the torque sensor through a mechanical linkage.
Optionally, as shown in fig. 3, the motor control device 031 includes: a motor reducer 0311, a motor 0312 and a motor controller 0313 integrated on the same circuit board; among them, the motor reducer 0311 includes a clutch (not shown).
Specifically, in this scheme, the motor control device can be a motor reducer, a motor and a motor controller integrated on the same circuit board, wherein the motor reducer further comprises a clutch, so that the layout space of the test system is greatly simplified.
Alternatively, the motor controller may be implemented as an integrated circuit that actively operates to control the motor to operate according to a set direction, speed, angle, and response time.
It should be noted that the motor reducer may be an integrated circuit that controls the tire to decelerate, wherein the motor reducer may effectively maintain the motor and reduce the moment of inertia during the test for the vehicle.
Optionally, as shown in fig. 4, the plurality of vehicle devices 03 further includes: and the charging management device 034 is connected with the industrial personal computer 01 through a CAN bus, wherein the charging management device 034 comprises a vehicle-mounted charger, a voltage converter and a power distribution unit which are integrated on the same circuit board.
Specifically, in this scheme, the vehicle device may further include a charging management device, where the charging management device includes an on-vehicle charger, a voltage converter, and a power distribution unit on the same circuit board, where the charging management device is connected to the industrial personal computer through a CAN bus, and the vehicle controller sends the test instruction to the charging management device, and the charging management device may directly send information for electric energy conversion to the industrial personal computer for recording.
It should be noted that, the charging management device can be a three-in-one controller, and the functions of the vehicle-mounted charger, the voltage converter and the power distribution unit can be simultaneously realized through the same component, so that the layout space of the test system is greatly simplified.
Optionally, the charging management device is connected to the motor control device via a high-voltage power line.
Specifically, in this scheme, the charge management device and the motor control device adopt a high-voltage power line to connect, and the charge management device can convert the current and then provide electric quantity for the motor control device, so that the motor controller can drive.
Optionally, the plurality of vehicle devices further comprises: and the simulation power supply is connected with the industrial personal computer through a CAN bus and is connected with the charging management device through a high-voltage power line.
Specifically, in this scheme, vehicle equipment still includes the analog power supply, and wherein, the analog power supply adopts CAN bus connection with the industrial computer, and wherein, after the analog power supply received the test instruction that above-mentioned vehicle control unit sent, generate test information, CAN be directly with test information transmission to industrial computer, gather and record by the industrial computer. In addition, the analog power supply and the charge management device are connected through a high-voltage power line, and the analog power supply transmits electric energy to the charge management device, is converted by the charge management device, and then is transmitted to other controllers of the vehicle, such as a motor control device.
Alternatively, the analog power source may be a battery.
Optionally, as shown in fig. 5, the system further includes: fill electric pile 04, with charge management device 034 through high-voltage power line connection, wherein, fill electric pile 04 and also be connected with charge management device 034 through the CAN bus.
Specifically, in this scheme, the system is still including filling electric pile, wherein, fill electric pile and charge management device and adopt CAN bus connection, make and fill electric pile and send the information of test for the industrial computer through charge management device, for example, insert direct current rifle or the alternating current rifle that charges and fill electric pile, the operation such as punching the card charges, after charging, the rifle that will charge is extracted, at this in-process, whether the test rifle that charges, and send information to the industrial computer through the CAN bus and take notes. In addition, the charging management device is connected with the charging pile through a high-voltage power line, wherein the charging pile sends electric energy to the charging management device, the charging management device performs electric energy conversion, and the analog power supply is supplied with power.
Optionally, the plurality of vehicle devices further comprises: and the low-voltage storage battery is respectively connected with the vehicle control unit, the motor control device and the charging management device through low-voltage power lines.
Specifically, in this scheme, the vehicle equipment further includes a low-voltage battery, wherein the low-voltage battery is connected with the vehicle control unit, the motor control device and the charge management device through low-voltage power lines. The low-voltage storage battery is connected with the charging management device to perform electric energy interaction, wherein the low-voltage storage battery can provide starting electric energy for the whole vehicle controller in the vehicle starting process; the low voltage battery may also send electrical energy to the motor control device to provide starting power to the motor control device.
Alternatively, the low voltage battery may be 12V.
Optionally, the dynamometer includes: the first dynamometer and the second dynamometer are respectively connected with the motor control device through a mechanical connecting piece.
Specifically, in this scheme, the dynamometer machine can include first dynamometer machine and second dynamometer machine, and wherein, this scheme adopts two dynamometer machines can control two rear wheels of vehicle simultaneously, has improved the accuracy that data detected.
Optionally, the flow of the scheme for carrying out the thermal state continuous operation test and the efficiency test on the motor control device is as follows:
the industrial personal computer sends a test instruction to the vehicle control unit, and the vehicle control unit sends the instruction to the motor control device, wherein the motor control device executes the test instruction, and simulates the resistance, wind resistance, gradient and the like of the vehicle tire through the dynamometer so as to control the rotating speed, so that the motor control device outputs the rotating speed, the industrial personal computer simulates the torque required by the current vehicle speed so as to obtain the output torque of the motor control device, and the continuous power of the thermal state continuous operation is obtained by combining the temperature of a motor stator and the control temperature of the motor; the rated efficiency is obtained in conjunction with the input electric power.
Optionally, the process of testing the power consumption operation condition of the nedc (new European Driving cycle) in the present scheme is as follows:
and the industrial personal computer tests the NEDC power consumption operation condition according to the acquired power supply voltage, the acquired power supply direct current, the sum of torques at two ends of the motor control device, the acquired mechanical power and the acquired rotating speed of the motor control device in combination with the data acquisition rate.
To sum up, this scheme is controlled the vehicle and is produced the collection of data through operating personnel's various drive action of simulation driver on the industrial computer to the function to the vehicle is tested, compares with current vehicle test scheme, and this scheme need not place whole car in the rack and tests, only needs to lay a plurality of vehicle equipment that await measuring to test system according to the demand, then receives the test command generation test result that above-mentioned whole vehicle controller sent. Therefore, the scheme can reduce parts of the whole vehicle, and reduces the arrangement difficulty, thereby solving the technical problems of large resource consumption and complex operation caused by the fact that the whole vehicle test is the whole vehicle entity test and various functions are tested on the rack in the prior art.
It should be noted that, in the scheme, the two dynamometers are arranged, so that the detected data is more accurate.
Example two
According to a second aspect of the present invention, there is provided a method for testing a finished automobile, as shown in fig. 6, the method includes:
and step S61, the industrial personal computer receives the test signal input by the user and generates a test instruction according to the test signal.
And step S63, the vehicle control unit receives the test instruction.
And step S65, the vehicle control unit respectively sends the test instruction to each device of the plurality of vehicle devices.
In step S67, each of the plurality of vehicle devices executes the test instruction to generate a test result.
And step S69, each device of the plurality of vehicle devices sends the test result to the industrial personal computer.
Specifically, in this scheme, the test instruction can be generated by simulating various driving actions of a driver on the industrial personal computer by the operator to control the vehicle, such as stepping on an accelerator, braking, engaging in a gear and the like, and the industrial personal computer generates the test instruction and then sends the test instruction to the outside. The industrial computer is connected with vehicle control unit, vehicle control unit is connected with a plurality of vehicle equipment, wherein, the industrial computer sends test instruction to vehicle control unit, after vehicle control unit received above-mentioned test instruction, vehicle control unit only need forward a plurality of equipment of vehicle with above-mentioned test instruction, above-mentioned a plurality of vehicle equipment can be for the equipment that a plurality of vehicles awaited measuring, it needs to explain, compare with current vehicle test scheme, this scheme need not place the vehicle in the rack and test, only need lay a plurality of vehicle equipment that await measuring to test system according to the demand, then receive the test instruction that above-mentioned vehicle control unit sent. After the plurality of vehicle devices to be tested receive the test instruction, the plurality of vehicle devices execute the test instruction.
It should be noted that the industrial personal computer is used for simulating the input of signals of various devices operated by a driver and the acquisition of related data.
Optionally, after the plurality of vehicle devices execute the test instruction, information (test result data) generated by the test by the plurality of vehicle devices may be directly transmitted to the industrial personal computer, the industrial personal computer performs direct information acquisition, or may be transmitted to the vehicle controller, the vehicle controller uniformly transmits the information to the industrial personal computer, and the industrial personal computer performs information acquisition.
This scheme is through the various drive action of operating personnel simulation driver on the industrial computer and control the vehicle and produce the collection of data to test the function of vehicle, compare with current vehicle test scheme, this scheme need not place the whole car in the rack and test, only need lay a plurality of vehicle equipment that await measuring to test system according to the demand, then receive the test instruction that above-mentioned whole vehicle controller sent and generate the test result. Therefore, the scheme can reduce parts of the whole vehicle, and reduces the arrangement difficulty, thereby solving the technical problems of large resource consumption and complex operation caused by the fact that the whole vehicle test is the whole vehicle entity test and various functions are tested on the rack in the prior art.
EXAMPLE III
According to a third aspect of the invention, there is provided a test rig comprising a vehicle test system according to any one of the above.
An alternative embodiment of a test system is described below in conjunction with FIG. 7:
the system may include: the device comprises a first dynamometer, a second dynamometer, a first torque sensor, a second torque sensor, an EDU, a VCU, a 12V storage battery, an industrial personal computer, an IPU, a battery (an analog power supply) and a charging pile, wherein the first torque sensor is respectively connected with the first dynamometer and the EDU through mechanical connectors, and the second torque sensor is respectively connected with the second dynamometer and the EDU through mechanical connectors; the industrial personal computer is respectively connected with the first dynamometer, the second dynamometer, the first torque sensor, the second torque sensor and the battery (analog power supply) through a load communication line, and is also respectively connected with the VCU, the EDU and the IPU through CAN buses; the IPU is respectively connected with the EDU, a battery (analog power supply) and a charging pile high-voltage power line; the storage battery is respectively connected with the VCU, the EDU and the IPU through low-voltage power lines.
Specifically, in the scheme, the work flow of the test system of the whole vehicle test bench is simulated, various driving actions of a human are simulated on an industrial personal computer for control (stepping on an accelerator, braking, engaging in a gear and the like), action signals are transmitted to a VCU, the VCU performs information interaction with modules such as an EDU/IPU/BMS and the like, logic response of each module is realized by the control of the VCU, optionally, when each logic test sample is not in a real object, the model of each module can be used for communication substitution on an upper computer, formal functions of the existing test sample can be verified preferentially, and meanwhile, the real embodiment of each power and function after each independent system is assembled into the whole vehicle system can be tested on the bench.
It should be noted that, through the arrangement of the above-mentioned device, the control test of the VCU and the logic of each unit module can be realized, the test of the operating conditions such as hundred kilometers acceleration of the whole vehicle and NEDC power consumption can be realized, the test of the characteristic performances such as thermal state, efficiency and the like of the EDU can be realized, and the direct current and alternating current charging test can be realized.
This scheme is through the various drive action of operating personnel simulation driver on the industrial computer and control the vehicle and produce the collection of data to test the function of vehicle, compare with current vehicle test scheme, this scheme need not place the whole car in the rack and test, only need lay a plurality of vehicle equipment that await measuring to test system according to the demand, then receive the test instruction that above-mentioned whole vehicle controller sent and generate the test result. Therefore, the scheme can reduce parts of the whole vehicle, and reduces the arrangement difficulty, thereby solving the technical problems of large resource consumption and complex operation caused by the fact that the whole vehicle test is the whole vehicle entity test and various functions are tested on the rack in the prior art.
It will be understood that the specific features, operations and details described herein above with respect to the method of the present invention may be similarly applied to the apparatus and system of the present invention, or vice versa. In addition, each step of the method of the present invention described above may be performed by a respective component or unit of the device or system of the present invention.
It should be understood that the various modules/units of the apparatus of the present invention may be implemented in whole or in part by software, hardware, firmware, or a combination thereof. Each module/unit may be embedded in a processor of the computer device in a hardware or firmware form or independent from the processor, or may be stored in a memory of the computer device in a software form to be called by the processor to perform the operation of each module/unit. Each module/unit may be implemented as a separate component or module, or two or more modules/units may be implemented as a single component or module.
In one embodiment, a computer device is provided that includes a memory having stored thereon computer instructions executable by a processor, the computer instructions, when executed by the processor, instruct the processor to perform the steps of the method of an embodiment of the invention. The computer device may broadly be a server, a terminal, or any other electronic device having the necessary computing and/or processing capabilities. In one embodiment, the computer device may include a processor, memory, a network interface, a communication interface, etc., connected by a system bus. The processor of the computer device may be used to provide the necessary computing, processing and/or control capabilities. The memory of the computer device may include non-volatile storage media and internal memory. An operating system, a computer program, and the like may be stored in or on the non-volatile storage medium. The internal memory may provide an environment for the operating system and the computer programs in the non-volatile storage medium to run. The network interface and the communication interface of the computer device may be used to connect and communicate with an external device through a network. Which when executed by a processor performs the steps of the method of the invention.
The invention may be implemented as a computer readable storage medium having stored thereon a computer program which, when executed by a processor, causes the steps of a method of an embodiment of the invention to be performed. In one embodiment, the computer program is distributed across a plurality of computer devices or processors coupled by a network such that the computer program is stored, accessed, and executed by one or more computer devices or processors in a distributed fashion. A single method step/operation, or two or more method steps/operations, may be performed by a single computer device or processor or by two or more computer devices or processors. One or more method steps/operations may be performed by one or more computer devices or processors, and one or more other method steps/operations may be performed by one or more other computer devices or processors. One or more computer devices or processors may perform a single method step/operation, or perform two or more method steps/operations.
It will be appreciated by those of ordinary skill in the art that the method steps of the present invention may be directed to associated hardware, such as a computer device or processor, for performing the steps of the present invention by a computer program, which may be stored in a non-transitory computer readable storage medium and when executed, cause the steps of the present invention to be performed. Any reference herein to memory, storage, databases, or other media may include non-volatile and/or volatile memory, as appropriate. Examples of non-volatile memory include read-only memory (ROM), programmable ROM (prom), electrically programmable ROM (eprom), electrically erasable programmable ROM (eeprom), flash memory, magnetic tape, floppy disk, magneto-optical data storage device, hard disk, solid state disk, and the like. Examples of volatile memory include Random Access Memory (RAM), external cache memory, and the like.
The respective technical features described above may be arbitrarily combined. Although not all possible combinations of features are described, any combination of features should be considered to be covered by the present specification as long as there is no contradiction between such combinations.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a test system of whole car which characterized in that, the system includes:
the industrial personal computer is used for receiving a test signal input by a user and generating a test instruction according to the test signal;
the vehicle control unit is connected with the industrial personal computer and used for receiving and forwarding the test instruction;
and the vehicle devices are respectively connected with the vehicle control unit and used for executing the test instruction.
2. The system of claim 1, wherein the plurality of vehicle devices comprises:
the motor control device is connected with the industrial personal computer through a CAN bus;
the dynamometer is connected with the motor control device through a mechanical connecting piece and is used for providing resistance for the motor control device;
and the torque sensor is connected with a power analyzer, and the power analyzer is connected with the industrial personal computer through an Ethernet.
3. The system of claim 2, wherein the motor control device comprises:
the motor speed reducer, the motor and the motor controller are integrated on the same circuit board; wherein the content of the first and second substances,
the motor reducer includes a clutch.
4. The system of claim 2, wherein the plurality of vehicle devices further comprises:
and the charging management device is connected with the industrial personal computer through a CAN bus, and comprises a vehicle-mounted charger integrated on the same circuit board, a voltage converter and a power distribution unit.
5. The system of claim 4, wherein the charge management device and the motor control device are connected by a high voltage power line.
6. The system of claim 4, wherein the plurality of vehicle devices further comprises:
and the simulation power supply is connected with the industrial personal computer through a CAN bus and is connected with the charging management device through a high-voltage power line.
7. The system of claim 4, further comprising:
fill electric pile, with the management device that charges passes through high voltage power line and connects, wherein, fill electric pile and also be connected with the management device that charges through the CAN bus.
8. The system of claim 4, wherein the plurality of vehicle devices further comprises:
and the low-voltage storage battery is respectively connected with the vehicle control unit, the motor control device and the charging management device through low-voltage power lines.
9. A test method for a whole vehicle is characterized by comprising the following steps:
the industrial personal computer receives a test signal input by a user and generates a test instruction according to the test signal;
the vehicle control unit receives the test instruction;
the vehicle control unit sends the test instruction to each device of the plurality of vehicle devices respectively;
each device of the plurality of vehicle devices executes the test instruction to generate a test result;
and each piece of equipment of the plurality of pieces of vehicle equipment sends the test result to the industrial personal computer.
10. A test rig, characterized in that it comprises a system according to any of claims 1 to 9.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2958114A1 (en) * | 2022-07-04 | 2024-02-01 | Seat Sa | TEST BANK AND TESTING PROCEDURE OF THE INFORMATION ISSUED TO THE USER OF A VEHICLE |
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