CN114415645B - Batch brushing and testing system and method for new energy commercial vehicles - Google Patents
Batch brushing and testing system and method for new energy commercial vehicles Download PDFInfo
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- CN114415645B CN114415645B CN202210249998.3A CN202210249998A CN114415645B CN 114415645 B CN114415645 B CN 114415645B CN 202210249998 A CN202210249998 A CN 202210249998A CN 114415645 B CN114415645 B CN 114415645B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
Abstract
The invention relates to a batch refreshing and testing system and method for a new energy commercial vehicle, wherein the batch refreshing and testing system comprises an electric control module, a refreshing and testing module, a man-machine interaction upper computer module and a whole vehicle controller, wherein the electric control module is connected with the refreshing and testing module, the refreshing and testing module is connected with the whole vehicle controller through an electric connecting piece, and the refreshing and testing module is connected with the man-machine interaction upper computer module through a CAN bus; the batch refreshing and functional testing of the whole vehicle controller of the new energy commercial vehicle are realized, and the refreshing and testing efficiency is improved through the automatic program connection; the hardware serial numbers of the vehicle controller to be refreshed are obtained successively, so that the number change of the controller is not caused by the midway plug of the controller, the upper computer software cannot be reordered, and the problem of program missing of the vehicle controller to be refreshed is effectively avoided; the man-machine interaction upper computer module identifies the function type of the vehicle type matched with the target by acquiring the hardware version number of the vehicle controller to be refreshed.
Description
Technical Field
The invention relates to the technical field of electric control system design and application, in particular to a new energy commercial vehicle batch refreshing and testing system and method.
Background
At present, china has the largest new energy automobile market in the world and has good ecological environment of new energy automobile industry. Along with the rapid evolution of the electronic and electric architecture of the new energy automobile, the whole automobile control system is widely used as a core electric control unit of the new energy commercial automobile and is an important core part of the electric control system.
In the face of the diversified functional configuration requirements of the new energy commercial vehicle, the whole vehicle controller of the electric control core system characterizes a hardware product which needs to be matched with software programs of multiple versions. Software flashing and controller performance verification become indispensable working links. At present, after the development design and production offline of the whole vehicle controller of the new energy commercial vehicle, single-batch brushing, low brushing speed, incapability of using a brushing system for controller function test verification and incapability of using a whole vehicle controller test verification tool for batch brushing functions still exist, and the system tool has single function and low working efficiency, so that the research and development and matched application efficiency of the controller are greatly influenced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a batch refreshing and testing system and method for a new energy commercial vehicle.
The technical scheme adopted for solving the technical problems is as follows: the new energy commercial vehicle batch refreshing and testing system comprises an electric control module, a refreshing and testing module, a man-machine interaction upper computer module and a whole vehicle controller, wherein the electric control module is connected with the refreshing and testing module, the refreshing and testing module is connected with the whole vehicle controller through an electric connecting piece, and the refreshing and testing module is connected with the man-machine interaction upper computer module through a CAN bus;
the brush-write and test module is provided with a self-checking switch, a pre-brush-write switch and a management unit, wherein the management unit detects direct-current voltage output by the AC/DC power supply unit, receives rated working voltage of hardware of the controller to be brush-written, which is downloaded to the W-CAN program brush-write communication bus by the human-computer interaction upper computer module, and is used for judging whether the power supply voltage is matched with the normal voltage or not by checking the difference value between the two voltages.
Preferably, the man-machine interaction upper computer module is provided with upper computer software and CAN data communication equipment.
Preferably, the electric control module is provided with an air circuit breaking unit, a leakage protection unit, an uninterruptible power supply unit and an AC/DC power supply unit.
Preferably, the brushing and testing module is also provided with a power supply switch, a brushing state indicating lamp, a brushing completion state indicating lamp, a function testing normal indicating lamp, an enabling switch and a C-CAN brushing control communication bus.
A batch brushing and testing method for new energy commercial vehicles comprises the following steps:
s1, a preparation stage, namely preparing for brushing and testing of a whole vehicle controller;
s101, upper computer software edits rated operating voltage of controller hardware corresponding to each controller hardware version number in the whole vehicle controller into a CAN message A, and the CAN message A is transmitted to a W-CAN program refreshing communication bus through CAN data communication equipment;
s102, a power supply switch of a brushing and testing module is closed, a management unit is activated, the management unit detects direct current voltage output by an AC/DC power supply unit, meanwhile, the management unit receives a CAN message A, the management unit checks the difference value between the direct current voltage and the CAN message A, if the absolute value of the difference value is not more than 2V, the working voltage is normal at the moment, a self-checking switch is closed, the management unit activates a whole vehicle controller to be brushed and written through an enabling switch, the management unit respectively monitors access interlocking signals output by each set of controllers through an electric connecting piece, and if the interlocking signals are more than or equal to 4.5V, the controller is accessed to the brushing and testing module;
s103, on the premise that the working voltage is normal and the self-checking switch is closed, the pre-brushing switch is closed, the management unit numbers the interlocking signals which are more than or equal to 4.5V and are output by each set of controllers, the number sequence is from small to large, 1 is used as an initial number, the management unit uploads the working voltage normal state and the numbers of the controllers to be brushed and tested, the controller numbers are edited into CAN messages B, and the CAN messages B are uploaded to the C-CAN brushing control communication bus through an electric connector;
s104, receiving a CAN message B by the upper computer software through the CAN data communication equipment, numbering a storage controller to a cache area by the upper computer software when the system function is normal, editing the CAN message C, and sequentially requesting to verify the hardware version numbers of the controller to be written and tested and verified according to the sequence of the storage numbers from small to large;
s105, the management unit receives the CAN message C, analyzes and writes and tests and verifies one set of controller numbers, turns off the enabling switches of the other number controllers except the numbers, receives the interlocking signals corresponding to the controller numbers requested by the upper computer module to be written, edits the interlocking signals into a CAN message D, and uploads the CAN message D to the C-CAN writing control communication bus;
s2, brushing and testing, namely brushing and testing each set of controller;
s201, receiving a CAN message D by upper computer software through CAN data communication equipment, starting the brushing and automatic test work, and editing a CAN message E and sending the CAN message E to a W-CAN program brushing communication bus according to the normal states of brushing, brushing completion and function test of each set of controller;
s202, a management unit receives a CAN message E, and sequentially drives a brushing state indicator lamp, a finishing brushing state indicator lamp and a functional test normal indicator lamp according to the reported brushing and test states so as to prompt the brushing and test processes;
s203, when the normal indicator lamp of the functional test is on, the management unit sets the numbered controller as a marker bit for the finished brushing and testing work, and sends the marker bit by a CAN message F, and the CAN message F is uploaded to a C-CAN brushing control communication bus;
s204, the upper computer software receives the CAN message F and analyzes the CAN message F until the controller finishes the program writing and testing work;
s205, the upper computer software continuously transmits the serial numbers of the round controllers of the cache region from small to large through the CAN data communication equipment, and sequentially transmits the CAN message C to request the management unit to activate the writing and test verification work of the next set of controllers, and traverses the serial numbers of the cache region of the whole upper computer software until the largest serial number in the cache region corresponds to the controller to finish writing and test work.
Preferably, the brushing and testing method is provided with a module connection, wherein the module connection is that when the system is not connected with alternating current, the module connection is connected with all the controller board-level connectors in a butt joint mode through the electric connecting piece, and the module connection is connected with the whole vehicle controller to be brushed and tested.
Preferably, the brushing and testing method is provided with power supply connection, the power supply connection is that the system is connected with alternating current, and the electric control module respectively carries out leakage protection detection, overcurrent detection, uninterrupted power supply standby and AC/DC conversion on the alternating current through a leakage protector, an air circuit breaker, an uninterrupted power supply and an AC/DC power supply unit and provides direct current power supply for the brushing and testing system.
Preferably, the method for brushing and testing further comprises the steps of opening the upper computer software and loading a target software program to be brushed by the controller.
Preferably, the target software program is provided with a respective controller hardware version number.
The invention has the following beneficial effects:
1) The batch refreshing and functional testing of the whole vehicle controller of the new energy commercial vehicle are realized, and the refreshing and testing efficiency is improved through the automatic program connection;
2) The hardware serial numbers of the vehicle controller to be refreshed are obtained successively, so that the serial numbers of the controller are not changed due to the midway plugging of the controller, the man-machine interaction upper computer software cannot be reordered, and the problem of program missing of the vehicle controller to be refreshed is effectively avoided;
3) The human-computer interaction upper computer module identifies the function category of the vehicle type matched with the target of the vehicle controller to be refreshed by acquiring the hardware version number of the vehicle controller to be refreshed, and simultaneously automatically matches the executable refreshing file corresponding to the category;
4) The modularized functional structure is adopted, so that the system is suitable for the development and test of controllers and the assembly links of vehicle parts in production lines, and has wide system applicability;
5) The CAN bus is adopted for program writing and controller function test verification, different network communication rates CAN be configured according to different product characteristics, and a diversified automatic writing and test verification method is provided for program writing and test verification of the whole vehicle controller of the new energy commercial vehicle, so that professional skill requirements on operators are effectively reduced, and product quality and supporting loading time efficiency of the whole vehicle controller of the new energy commercial vehicle are comprehensively improved.
Drawings
FIG. 1 is a block diagram of a new energy commercial vehicle controller batch refreshing and testing system.
FIG. 2 is a block diagram of a new energy commercial vehicle controller batch writing and testing system.
FIG. 3 is a flow chart of a new energy commercial vehicle controller batch writing and testing method.
In the figure: 1-an electric control module, 101-an air circuit breaking unit, 102-a leakage protection unit, 103-a non-intermittent power supply unit and 104-an AC/DC power supply unit; 2-brushing and testing module, 201-power supply switch, 202-self-checking switch, 203-pre-brushing switch, 204-electrical connector, 205-management unit, 206-brushing status indicator lamp, 207-finishing brushing status indicator lamp, 208-functional testing normal indicator lamp, 209-cooling fan, 210-enabling switch, 211-terminal resistor, 212-C-CAN brushing control communication bus, 213-W-CAN program brushing communication bus; 3-man-machine interaction upper computer module, 301-CAN data communication equipment and 302-upper computer software; 4-a whole vehicle controller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
1-3, the batch refreshing and testing system for the new energy commercial vehicle comprises an electric control module 1, a refreshing and testing module 2, a man-machine interaction upper computer module 3 and a whole vehicle controller 4.
The electronic control module 1 includes: an air break unit 101, a leakage protection unit 102, an uninterruptible power supply unit 103, an AC/DC power supply unit 104; the air circuit breaking unit 101 is used as a main switch of the electronic control module 1, and can be used for manually switching off and switching on an electric loop under normal working conditions and automatically switching off the electric loop under fault conditions, so that the power supply main switch function and fault protection functions such as load short circuit, load overcurrent and input undervoltage are realized; the leakage protection unit 102 realizes leakage or electric shock protection by monitoring the instantaneous value state of the phase line and neutral line currents in the protected loop and actively controlling to cut off the electric loop so as to avoid injury to personnel and adverse effect on electric equipment when the load loop is leaked; the function of the uninterruptible power supply unit 103 meets the requirement of emergency use, and when the mains supply is powered down, the system is continuously supplied with electric energy to finish the current ongoing brushing and testing work; meanwhile, when the mains supply is normal, the power supply pollution such as the problem of mains supply surge, instantaneous high voltage, instantaneous low voltage, wire noise and frequency offset is eliminated, the power supply quality is improved, and higher-quality power supply input is provided for a brushing and testing system; AC/DC power supply unit 104 provides power to the DC powered device.
The brushing and testing module 2 comprises: a power supply switch 201, a self-checking switch 202, a pre-brushing switch 203, an electrical connector 204, a management unit 205, a status indicator for brushing 206, a status indicator for brushing 207, a normal function test indicator 208, a cooling fan 209, an enabling switch 210, a terminal resistor 211, a C-CAN brushing control communication bus 212, and a W-CAN program brushing communication bus 213; the termination resistor 211 is used for eliminating signal oscillation of the brushing control communication bus and the program brushing communication bus; the in-process status indicator light 206 is used to prompt the operator that the whole vehicle controller is in-process; the complete brushing status indicator lamp 207 is used for prompting an operator that the program brushing of the whole vehicle controller 4 is completed; the normal function test indicator lamp 208 is used for prompting an operator that the function test of the whole controller 4 of the new energy commercial vehicle is normal.
The functions of the brushing and testing module 2 include: the writing and testing module 2 traverses and detects that the wheel is connected to the writing and testing verification system controller, the writing and testing module 2 obtains the hardware version number of the whole vehicle controller 4 to be written and tested and sends the hardware version number to the man-machine interaction upper computer module 3, and the writing and testing module 2 requests the man-machine interaction upper computer module 3 to carry out program writing; the brushing and testing module 2 monitors the controller function testing process messages downloaded by the human-computer interaction upper computer module 3 in real time, then controls different working indicator lamps to prompt operators of the brushing and testing working states of each set of controller, and when the program brushing and testing of the target controller downloaded by the human-computer interaction upper computer module 3 is completed, the brushing and testing module 2 cuts off the power supply of the controller.
The man-machine interaction upper computer module 3 comprises CAN data communication equipment 301 and upper computer software 302; the CAN data communication equipment 301 is a middleware for interacting control instructions or data between the upper computer software 302, the brushing and testing module 2 and the whole vehicle controller 4; the upper computer software 302 is a platform for an operator to interact with the refreshing and testing module 2 and for the whole vehicle controller 4 to be refreshed and tested to perform real-time data interaction with the refreshing and testing module 2; after loading an executable program file to be refreshed, the human-computer interaction upper computer module 3 acquires the hardware version number of the whole vehicle controller 4 to be refreshed and tested and verified from the refreshing and testing module 2; the upper computer software 302 automatically identifies the target vehicle type function category matched with the to-be-written whole vehicle controller 4 through the hardware version number; the man-machine interaction upper computer module 3 automatically matches the executable refreshing file corresponding to the function class; the host software 302 performs a flush of the corresponding version of the executable file in response to the flush and test module 2 program flush request.
A batch refreshing and testing method for new energy commercial vehicles comprises the following steps:
1) The whole vehicle controller 4 to be refreshed is connected to the refresh and test module 2 through an electrical connection 204 of the refresh and test module 2;
2) The brushing and testing module 2 judges whether the whole vehicle controller 4 to be brushed is connected or not by detecting the interlocking voltage signal of the whole vehicle controller 4 to be brushed and the electric connecting piece 204;
3) The refreshing and testing module 2 detects the hardware version number of the whole vehicle controller 4 to be refreshed, and sends the hardware version number to the human-computer interaction upper computer module 3 through the CAN data communication equipment 301, and the upper computer software 302 automatically recognizes the function type of the controller through the hardware version number and simultaneously automatically matches the executable refreshing file corresponding to the function type;
4) The refreshing and testing module 2 requests the upper computer software 302 to perform program refreshing of a corresponding version;
5) The man-machine interaction upper computer module 3 executes program writing and automatically detects the execution condition of functional software of the vehicle controller 4 after writing, and the automatic execution command is used for judging whether writing is finished and whether the written software function is normal in the controller;
6) The upper computer software 302 carries out the system function test work of the vehicle control unit 4 after the vehicle control program is finished by the CAN data communication equipment 301, and judges whether the system function is normal or not by reading a preset system function normal flag bit in the software;
7) The upper computer software 302 downloads and updates and tests the working state of the verification system controller through the CAN data communication equipment 301, and the working state comprises the following steps: program is being written, program writing is completed, and program function test is normal;
8) The method comprises the steps that through CAN data communication equipment 301, a brushing and testing module 2 detects the current power supply and enabling relay actuation state of a whole vehicle controller 4, and receives the working state of the whole vehicle controller 4 in the brushing and testing process, which is downloaded by upper computer software 302; according to the different working state information, the status indicator lamp 206 is lighted up, the status indicator lamp 207 is lighted up, or the normal function test indicator lamp 208 is lighted up;
9) The hardware version numbers of the whole vehicle controllers 4 to be refreshed, which are connected to the refreshing and testing module 2 by the host computer software 302, are sequentially verified through the CAN data communication equipment 301, program refreshing and test verification of the execution states of the software functions are carried out on the whole vehicle controllers 4 after executable software which corresponds to the function types of the controllers is automatically matched, and meanwhile, the host computer software 302 carries out state prompt of a graphical software interface on each whole vehicle controller 4 which is finished to be refreshed and test verification is carried out, so that operators are informed of normal refreshing and function test;
10 After the operator turns off the pre-brushing switch 203 to the electronic control module 1 through the CAN data communication device 301, the upper computer software 302 stops all the brushing and functional test operation functions, and the brushing and test verification work of this round is finished.
A batch brushing and testing method for new energy commercial vehicles comprises the following steps:
1) On the premise that the system is not connected with alternating current, operators respectively butt-joint each controller board-level connector through the controller electric connecting piece 204 of the brushing and testing module 2 in sequence, and connect the new energy commercial vehicle whole vehicle controller 4 to be brushed and tested;
2) The system is connected with alternating current, and the electric control module 1 is respectively subjected to leakage protection detection, overcurrent detection, uninterrupted power supply standby and AC/DC conversion by the leakage protection unit 102, the air circuit breaking unit 101, the uninterrupted power supply unit 103 and the AC/DC power supply unit 104 to provide a set direct current power supply for the brushing and testing module 2;
3) The operator opens the upper computer software 302 to load a target software program to be written by the controller, wherein the target software program already comprises the hardware version number of the controller in the software design stage;
4) After the version number of the target software is analyzed by the upper computer software 302 through the CAN data communication equipment 301, the upper computer software 302 edits the rated operating voltage of the controller hardware corresponding to the version number of the controller hardware into a CAN message A, and the CAN message A is downloaded to the W-CAN program refreshing communication bus 213 through the CAN data communication equipment 301;
5) The power supply switch 201 of the brushing and testing module 2 is closed, the management unit 205 is activated, and the direct current voltage output by the AC/DC power supply unit 104 is detected; meanwhile, the management unit 205 receives a hardware rated working voltage CAN message A of the controller to be brushed, which is transmitted to the W-CAN program brushing communication bus 213 by the human-computer interaction upper computer module 3 through the controller electrical connector 204; the management unit 205 checks the difference between the two voltages, and when the absolute value of the difference is not more than 2V, it indicates that the working voltage is normal; under the condition that the working voltage is normal, the self-checking switch 202 is closed, the management unit 205 drives the enabling switch 210 of the whole vehicle controller 4, and the new energy commercial vehicle whole vehicle controller 4 to be refreshed is activated. The management unit 205 will monitor the output access interlock signal of each set of controllers through the controller electrical connection 204, effectively (not less than 4.5V) indicating that the controller is accessed to the brush writing and testing module 2;
6) On the premise that the working voltage is normal and the self-checking switch 202 is closed, the pre-brushing switch 203 is closed, the management unit 205 edits the normal state of the CAN message B and the serial numbers of the controllers to be brushed and tested in the same round through the controller electrical connection piece 204, the management unit 205 numbers the effective interlocking signals which are identified to be output by each set of controllers, the serial numbers are numbered sequentially from small to large, 1 is used as an initial serial number, and the serial numbers are uploaded to the C-CAN brushing control communication bus 212 through the controller electrical connection piece 204;
7) Through the CAN data communication equipment 301, the upper computer software 302 receives the CAN message B of the C-CAN refreshing control communication bus 212, when the system function is normal, the upper computer software 302 numbers the storage controller to a cache area, edits the CAN message C, and sequentially requests to verify the hardware version numbers of the controllers to be refreshed and tested and verified according to the order of the storage numbers from small to large;
8) The management unit 205 analyzes the serial numbers of the refreshing and testing controllers by receiving the CAN message C through the controller electrical connection piece 204, and cuts off the power supply and the enabling switch 210 of the whole vehicle controller 4 corresponding to the serial numbers of the controllers except the serial numbers, at this time, the management unit 205 only CAN receive the interlocking signal corresponding to the serial numbers of the refreshing controllers requested by the man-machine interaction upper computer module 3, and indicates that the refreshing controller is ready, the ready signal is edited into the CAN message D, and the CAN message D is uploaded to the C-CAN refreshing control communication bus 212 through the controller electrical connection piece 204;
9) The upper computer software 302 receives the CAN message D on the C-CAN flashing control communication bus 212 through the CAN data communication equipment 301, analyzes the CAN message D to the ready state of the target flashing controller, and automatically starts flashing and automatic test work; meanwhile, the upper computer software 302 edits the CAN message E according to the normal states of the brushing, the finishing of the brushing and the function test of each set of controller, and sends the CAN message E to the W-CAN program brushing communication bus 213 through the CAN data communication equipment 301;
10 The management unit 205 receives the CAN message E through the controller electrical connector 204, and sequentially drives the status indicator lamp 206 being brushed, the status indicator lamp 207 being brushed, and the functional test normal indicator lamp 208 according to the reported brushing and testing status, so as to prompt an operator whether the brushing and testing process of the controller is normal. In the brushing and testing process, the management unit 205 drives the cooling fan 209 to circulate air for cooling the system;
11 The management unit 205 sets the marker bit of the number controller which finishes the brushing and testing work at the same time when driving the function test normal indicator lamp 208, sends the marker bit by the CAN message F, and uploads the marker bit to the C-CAN brushing control communication bus 212 through the controller electrical connection 204;
12 The controller receives the CAN message F of the C-CAN flashing control communication bus 212 through the CAN data communication equipment 301 and the upper computer software 302, and analyzes the CAN message F to finish program flashing and test work;
13 Through the CAN data communication equipment 301 and the upper computer software 302, the serial numbers of the round controllers in the cache area are continuously transmitted through the CAN message C in sequence from small to large, and the management unit 205 is requested to supply power and activate the brushing and test verification work of the next set of controllers; and traversing the serial numbers of the cache area of the whole upper computer software 302 until the maximum serial number in the cache area corresponds to the controller to finish the writing and testing work, and finishing the writing and testing verification work of the controller program at this time. The upper computer software 302 prompts operators to finish the brush writing and test verification of the turn controller in a software graphical interface mode;
14 The operator turns off the pre-brushing switch 203, starts the self-checking switch 202 and the power supply switch 201 in sequence, and physically separates all the whole controllers 4 of the new energy commercial vehicle from the controller electrical connection piece 204. Through the controller electrical connection piece 204 and the wire harness, an operator accesses the whole vehicle controller 4 to be written and tested and verified in the next round into the system, and then the writing and testing and verifying work of the controller can be continued. And the batch brushing and test verification work can be realized by sequentially circulating.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The batch refreshing and testing system for the new energy commercial vehicles is characterized by comprising an electric control module (1), a refreshing and testing module (2), a man-machine interaction upper computer module (3) and a whole vehicle controller (4), wherein the electric control module (1) is connected with the refreshing and testing module (2), the refreshing and testing module (2) is connected with the vehicle controller through an electric connecting piece (204), and the refreshing and testing module (2) is connected with the man-machine interaction upper computer module (3) through a CAN bus;
the device comprises a brushing and testing module (2), a power supply unit (104) and a controller hardware nominal working voltage detection unit, wherein the brushing and testing module (2) is provided with a self-checking switch (202), a pre-brushing switch (203) and a management unit (205), the management unit (205) detects direct current voltage output by the AC/DC power supply unit (104) and receives direct current voltage to be brushed, which is transmitted to a W-CAN program brushing communication bus (213) by a man-machine interaction upper computer module (3), and the difference value between the two voltages is checked to judge whether the power supply voltage of a target controller to be brushed is matched with the direct current voltage output by the AC/DC power supply unit (104);
the batch refreshing and testing method of the refreshing and testing system for the new energy commercial vehicle comprises the following steps:
s1, a preparation stage is used for preparing the brushing and testing of the whole vehicle controller (4);
s101, upper computer software (302) edits a controller hardware rated working voltage corresponding to each controller hardware version number in a whole vehicle controller (4) into a CAN message A, and the CAN message A is transmitted to a W-CAN program refreshing communication bus (213) through CAN data communication equipment (301);
s102, a power supply switch (201) of a brushing and testing module (2) is closed, a management unit (205) is activated, the management unit (205) detects direct current voltage output by an AC/DC power supply unit (104), meanwhile, the management unit (205) receives CAN message A, the management unit (205) checks the difference value between the direct current voltage and the CAN message A, if the absolute value of the difference value is not more than 2V, the working voltage is normal, a self-checking switch (202) is closed, the management unit (205) activates a whole vehicle controller (4) to be brushed through an enabling switch (210), the management unit (205) respectively monitors access interlocking signals output by each set of controllers through an electrical connection piece (204), and if the interlocking signals are more than or equal to 4.5V, the controllers are connected into the brushing and testing module (2);
s103, on the premise that the working voltage is normal and the self-checking switch (202) is closed, the pre-brushing switch (203) is closed, the management unit (205) numbers the interlocking signals which are recognized to be output by each set of controllers and are greater than or equal to 4.5V, the number sequence is from small to large, 1 is used as an initial number, the management unit (205) uploads the working voltage normal state and the numbers of the controllers to be brushed and tested, the numbers are edited into CAN messages B, and the CAN messages B are uploaded to the C-CAN brushing control communication bus (212) through the electric connection piece (204);
s104, receiving a CAN message B by the upper computer software (302) through the CAN data communication equipment (301), and when the system function is normal, numbering a storage controller to a cache area by the upper computer software (302) and editing the CAN message C at the same time, and sequentially requesting to verify the hardware version numbers of the controllers to be written and tested and verified according to the sequence of the storage numbers;
s105, the management unit (205) receives the CAN message C, analyzes and writes one set of controller numbers in the test and verification, turns off the enabling switches (210) of the other number controllers except the numbers, and the management unit (205) receives the interlocking signals corresponding to the numbers of the controller requested to be written by the human-computer interaction upper computer module (3), edits the interlocking signals into the CAN message D and uploads the CAN message D to the C-CAN writing control communication bus (212);
s2, brushing and testing, namely brushing and testing each set of controller;
s201, receiving a CAN message D by the upper computer software (302) through the CAN data communication equipment (301), starting the brushing and automatic test work, and editing the CAN message E and sending the CAN message E to the W-CAN program brushing communication bus (213) according to the brushing, brushing completion and functional test normal state of each set of controller by the upper computer software (302);
s202, a management unit (205) receives a CAN message E, and sequentially drives a brushing state indicator lamp (206), a brushing state indicator lamp (207) and a functional test normal indicator lamp (208) according to the reported brushing and test states so as to prompt the brushing and test process;
s203, when the function test normal indicator lamp (208) is turned on, the management unit (205) sets the numbered controller as a finished brushing and test working flag bit, and sends the flag bit by the CAN message F, and the CAN message F is uploaded to the C-CAN brushing control communication bus (212);
s204, the upper computer software (302) receives the CAN message F and analyzes the CAN message F until the controller finishes the program writing and testing work;
s205, the upper computer software (302) continuously transmits CAN messages C according to the serial numbers of the round controllers of the cache area from small to large through the CAN data communication equipment (301), the request management unit (205) activates the writing and test verification work of the next set of controllers, and the serial numbers of the cache area of the whole upper computer software (302) are traversed until the largest serial number in the cache area corresponds to the controller to finish writing and test work.
2. The batch refreshing and testing system for the new energy commercial vehicle according to claim 1, wherein the man-machine interaction upper computer module (3) is provided with upper computer software (302) and CAN data communication equipment (301).
3. The batch brushing and testing system for the new energy commercial vehicle according to claim 1, wherein the electronic control module (1) is provided with an air circuit breaking unit (101), a leakage protection unit (102), an uninterruptible power supply unit (103) and an AC/DC power supply unit (104).
4. The batch refreshing and testing system for the new energy commercial vehicle according to claim 1, wherein the refreshing and testing module (2) is further provided with a power supply switch (201), a refreshing status indicator lamp (206), a refreshing status indicator lamp (207), a functional test normal indicator lamp (208), an enabling switch (210) and a C-CAN refreshing control communication bus (212).
5. The batch brushing and testing system of the new energy commercial vehicle according to claim 1, wherein the brushing and testing method is provided with a module connection, and the module connection is that when the system is not connected with alternating current, all the controller board-level connectors are connected in sequence through an electric connector (204) and connected with a whole vehicle controller (4) to be brushed and tested.
6. The batch brushing and testing system for the new energy commercial vehicles according to claim 1, wherein the brushing and testing method is provided with power supply connection, the power supply connection is for connecting the system into alternating current, and the electric control module (1) respectively performs leakage protection detection, overcurrent detection, uninterrupted power supply standby and AC/DC conversion on the alternating current through the leakage protection unit (102), the air circuit breaking unit (101), the uninterrupted power supply unit (103) and the AC/DC power supply unit (104) and provides direct current power supply for the brushing and testing system.
7. The batch brushwrite and test system of claim 1, wherein the brushwrite and test method further includes opening the host software (302) and loading the target software program to be brushwritten by the controller.
8. The batch refreshing and testing system for new energy commercial vehicles according to claim 7, wherein the target software program is provided with a hardware version number of each controller.
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