CN106774260A - The automatic test approach and its system of on-board air conditioner controller - Google Patents
The automatic test approach and its system of on-board air conditioner controller Download PDFInfo
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- CN106774260A CN106774260A CN201611198474.7A CN201611198474A CN106774260A CN 106774260 A CN106774260 A CN 106774260A CN 201611198474 A CN201611198474 A CN 201611198474A CN 106774260 A CN106774260 A CN 106774260A
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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
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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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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- Automation & Control Theory (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of automatic test approach of on-board air conditioner controller, including：By master control system build and parsing test case, by digital circuit send test case set signal of communication and control instruction to on-board air conditioner controller, adopt control unit and test power supply；On-board air conditioner controller simulates human-computer interaction function, and periodic feedback oneself state is to master control system；Every input signal that control unit controls peripheral components collection is adopted, the output state information of peripheral components collection to master control system is gathered and feed back；Test power supply exports corresponding power pulse according to the control instruction of master control system, and fed power supplies status information is to master control system；Master control system receives feedback signal by digital circuit, judges and outputs test result according to the feedback signal.Present invention also offers a kind of Auto-Test System of on-board air conditioner controller.Implement the technical scheme that the present invention is provided, the testing time can be reduced, effectively improve test coverage and efficiency.
Description
Technical field
The present invention relates to mobile unit technical field of measurement and test, more particularly to a kind of automatic test side of on-board air conditioner controller
Method and its system.
Background technology
Functional test is an important step for ensureing on-board air conditioner controller quality, is also most time-consuming expense in testing process
The part of power.The traditional test methods of existing on-board air conditioner controller are artificial manual test, in current industry also not into
Ripe, general Auto-Test System specification, automatization testing technique is not widely used yet, and automatic with air-conditioner controller
Related patent is tested all just for " domestic air conditioning ".And mounted air conditioner system is two kinds of different products with domestic air-conditioning system
Form, in addition to refrigeration principle is identical, in the few identical points of the aspects such as the communication technology, control technology, therefore two kinds of automatic surveys
Technology used by test system is also by difference.
In the test process of existing on-board air conditioner controller test case is formulated according to controller function operation instructions
And testing scheme is set, automotive air-conditioning controller is carried out comprehensively using testing tool because test whole process needs technical staff
Check and test, it is ensured that the normal operation of automotive air-conditioning controller, not only the testing time is long, and largely takes human resources,
That tests is less efficient.And existing art solutions are only tested corresponding functional module, and car is not considered
Air-conditioner controller is carried to all kinds of buses, the dependence including CAN, LIN, UART etc., and, also have ignored to automobile industry specification
In essential power pulse test.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of automatic test technology scheme of on-board air conditioner controller,
The time required to reducing test, testing cost is reduced, improve the coverage rate and efficiency of test function.
To solve above technical problem, on the one hand, the embodiment of the present invention provides a kind of automatic survey of on-board air conditioner controller
Method for testing, including：
Built by master control system and parsing test case, the communication that the test case sets is sent by digital circuit
Signal and control instruction to on-board air conditioner controller, adopt control unit and test power supply；
The on-board air conditioner controller builds mounted air conditioner system with peripheral components collection, according to the communication of the master control system
Signal and control instruction simulation human-computer interaction function, and periodic feedback oneself state gives the master control system；
The control unit of adopting is connected by analog line with the peripheral components collection, controls the items of the peripheral components collection
Input signal, gather and feed back the output state information of the peripheral components collection to the master control system；
The test power supply exports corresponding power pulse according to the control instruction of the master control system by analog line
To the on-board air conditioner controller and the peripheral components collection, and fed power supplies status information is to the master control system；
The master control system is by adopting control unit, the on-board air conditioner controller and the test described in digital circuit reception
The feedback signal of power supply, judges and outputs test result according to the feedback signal.
Further, functional module is provided with the on-board air conditioner controller, and independently of the inner function module
Internal test modules.
Preferably, the master control system is by structure and parses the test case, to the on-board air conditioner controller
Interior circulation sets function and is tested.
Preferably, the master control system is by structure and parses the test case, to the on-board air conditioner controller
Fault diagnosis functions are tested.
Preferably, the master control system writes the test case by structure and parsing, to the on-board air conditioner controller
Power initiation function tested.
On the other hand, the embodiment of the present invention additionally provides a kind of Auto-Test System of on-board air conditioner controller, including：It is main
Control system, on-board air conditioner controller, peripheral components collection, adopt control unit and test power supply；
Master control system, for building and parsing test case, signal of communication and control instruction is sent extremely by digital circuit
The on-board air conditioner controller, described adopting control unit and the test power supply；
The on-board air conditioner controller builds mounted air conditioner system with the peripheral components collection, for according to the master control system
Signal of communication and control instruction the simulation human-computer interaction function of system, and periodic feedback oneself state gives the master control system；
It is described to adopt control unit, it is connected with the peripheral components collection by analog line, for controlling the peripheral components collection
Every input signal, gather and feed back the output state information of the peripheral components collection to the master control system；
The test power supply, for the control instruction according to the master control system, corresponding electricity is exported by analog line
Source pulse is to the on-board air conditioner controller and the peripheral components collection, and fed power supplies status information is to the master control system；
The master control system, be additionally operable to by digital circuit receive it is described adopt control unit, the on-board air conditioner controller and
The feedback signal of the test power supply, judges and outputs test result according to the feedback signal.
Further, functional module is provided with the on-board air conditioner controller, and independently of the inner function module
Internal test modules.
Preferably, the master control system is additionally operable to the on-board air conditioner control by building and parsing the test case
The interior circulation of device processed sets function and is tested.
Preferably, the master control system is additionally operable to the on-board air conditioner control by building and parsing the test case
The fault diagnosis functions of device processed are tested.
Preferably, the master control system writes the test case by structure and parsing, is additionally operable to the on-board air conditioner
The power initiation function of controller is tested.
The automatic test technology scheme of on-board air conditioner controller provided in an embodiment of the present invention, by the vehicle-mounted sky of equipment under test
Adjust controller (HVAC) and the simulation of peripheral components collection to build whole mounted air conditioner system, adopt the whole on-board air conditioner system of control monitoring units
The output signal of system simultaneously controls the input signal of mounted air conditioner system, tests power supply simulated automotive power supply, master control system control car
Air-conditioning system is carried to run and test its function.The connected mode of the modules of test system point rigid line (analog line) and bus
(digital circuit), master control system sends corresponding signal of communication and control instruction by bus to the part of test system,
And the status information fed back by each functional module is received based on bus, master control system according to equipment under test, adopt control unit, test
The feedback states and bus communication signal determining test result of power supply are simultaneously exported, and whole process explains acquisition according to test case
Signal of communication and control instruction perform automatically, without artificial Attended Operation, test speed is fast, the degree of accuracy is high, and can be according to reality
Border needs realize the test of difference in functionality module and circuit by rewriting test case, effectively improve the survey of on-board air conditioner controller
Examination efficiency and coverage rate, reduce testing cost.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the Auto-Test System of the on-board air conditioner controller that the present invention is provided
Figure.
Fig. 2 is the internal structure signal provided by the present invention for the one embodiment for the on-board air conditioner controller tested
Figure.
The step of Fig. 3 is one embodiment of the automatic test approach of the on-board air conditioner controller that the present invention is provided flow
Figure.
Fig. 4 is that the step of interior circulation setting function to on-board air conditioner controller that the present invention is provided is tested flow is shown
It is intended to.
Fig. 5 is that the step of fault diagnosis functions to on-board air conditioner controller that the present invention is provided are tested flow is illustrated
Figure.
Fig. 6 is that the step of fault diagnosis functions to on-board air conditioner controller that the present invention is provided are tested flow is illustrated
Figure.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.
It is the structure of one embodiment of the Auto-Test System of the on-board air conditioner controller that the present invention is provided referring to Fig. 1
Schematic diagram.
In the present embodiment, the Auto-Test System of described on-board air conditioner controller, including：It is master control system 10, vehicle-mounted
Air-conditioner controller 20, peripheral components collection 30, adopt control unit 40 and test power supply 50.
Wherein, master control system 10, for building and parsing test case, by digital circuit (also commonly known as " bus ")
Send signal of communication and control instruction to the on-board air conditioner controller 20, described adopting and control unit 40 and the test power supply 50.
The on-board air conditioner controller 20 builds mounted air conditioner system with the peripheral components collection 30, for according to the master
Signal of communication and control instruction the simulation human-computer interaction function of control system 10, and periodic feedback oneself state gives the master control system
System 10；
It is described to adopt control unit 40, it is connected with the peripheral components collection 30 by analog line, for controlling the peripheral device
Every input signal of part collection 30, gathers and feeds back the output state information of the peripheral components collection 30 to the master control system
10；
The test power supply 50, for the control instruction according to the master control system 10, exports corresponding by analog line
Power pulse to the on-board air conditioner controller 20 and the peripheral components collection 30, and fed power supplies status information is to the master
Control system 10；
The master control system 10, is additionally operable to be controlled by adopting control unit 40, the on-board air conditioner described in digital circuit reception
The feedback signal of device 20 and the test power supply 50, judges and outputs test result according to the feedback signal.
During specific implementation, all peripheral components of the integrated equipment under test on-board air conditioner controller 20 of peripheral components collection 30 are carried
For standard hardware interface, including but not limited to air blower, pattern motor, mixed wind turbine, inner-outer circulation motor, temperature sensor etc.
All peripheral components needed for on-board air conditioner controller 20, the actual operating state of mounted air conditioner system is built with true simulation.
The connected mode of system may include rigid line and bus two ways.Wherein, if bus refers in particular to transmit data signal
Dry digital circuit is (such as：CAN, LIN buses, UART buses), rigid line refers to nonnumeric signal (i.e. analog signal) transmission line.
Standard hardware interface in Fig. 1 embodiments refers to the equipment under test external interface of compatible all models, and each pin definition
All keep constant connector collection.
In the present embodiment, master control system 10 parsing test case, by test case be converted to corresponding control instruction and
Signal of communication.Wherein, the control instruction passes to on-board air conditioner controller 20, adopts control unit 40, test by digital circuit
Power supply 50 and peripheral components collection 30；The signal of communication refers to that equipment under test 20 and peripheral device are removed on simulated automotive communication network
Device node outside part collection 30 is (such as：BCM, EMS, TGW etc.) signal that sends.The test periodic feedback power supply status of power supply 50
Information is to master control system 10；Receive the control instruction of master control system 10 simultaneously, voltage that controlled output is specified, electric current, pulse to
Peripheral components collection 30 and on-board air conditioner controller 20；On-board air conditioner controller 20 is given also through bus cycles property feedback oneself state
Master control system 10；The output state of the periodically collection peripheral components collection 30 of control unit 40 is adopted, master is fed back to by bus cycles property
Control system 10；The control instruction of master control system 10, every input of control peripheral components collection 30 are received simultaneously.Therefore, it is whole to survey
Examination process is automatic test, and without artificial control, the degree of accuracy and testing efficiency are high.
During specific implementation, in the present embodiment, on-board air conditioner controller 20 is provided with function mould as equipment under test in it
Block, and independently of the internal test modules of the inner function module.
As shown in Fig. 2 being the internal junction of the one embodiment provided by the present invention for the on-board air conditioner controller tested
Structure schematic diagram.
In the test system that the present invention is provided, the internal test modules in on-board air conditioner controller 20 are used to receive master control
Various tests that system 10 sends instruction and corresponding data, it is necessary to explanation, because internal test modules are independently of vehicle-mounted
Other functions module inside air-conditioner controller 20, the survey need not be installed in the on-board air conditioner controller 20 of actual volume production application
Die trial block, it only installs the test module in this test system.
Preferably, master control system 10 is by structure and parses the test case, specifically for the on-board air conditioner control
The interior circulation of device processed sets function, fault diagnosis functions, power initiation function and is tested.
Referring to Fig. 3, the step of be the one embodiment of automatic test approach for the on-board air conditioner controller that the present invention is provided
Flow chart.
The on-board air conditioner that the automatic test approach of the on-board air conditioner controller that Fig. 3 embodiments are provided is provided with Fig. 1 embodiments
The principle of the Auto-Test System of controller is identical, mainly includes the following steps that：
Step S301：Test case is built and parsed by master control system 10, and sending the test by digital circuit uses
Example setting signal of communication and control instruction to on-board air conditioner controller 20, adopt control unit 40 and test power supply 50；
Step S302：The on-board air conditioner controller 20 builds mounted air conditioner system with peripheral components collection 30, according to described
Signal of communication and control instruction the simulation human-computer interaction function of master control system 10, and periodic feedback oneself state gives the master control
System 10；
Step S303：The control unit 40 of adopting is connected by analog line with the peripheral components collection 30, is controlled described outer
Every input signal of peripheral device collection 30, gathers and feeds back the output state information of the peripheral components collection 30 to the master control
System 10；
Step S304：The test power supply 50 is exported according to the control instruction of the master control system 10 by analog line
Corresponding power pulse is to the on-board air conditioner controller 20 and the peripheral components collection 30, and fed power supplies status information is to institute
State master control system 10；
Step S305：The master control system 10 is by adopting control unit 40, the on-board air conditioner control described in digital circuit reception
The feedback signal of device processed 20 and the test power supply 50, judges and outputs test result according to the feedback signal.
It should be noted that above step label is used only as distinguishing each step, not to the sequencing of each step
Considered critical is carried out, for example, step S302, S303 and step S304 can need and executed in parallel according to actual test.
During specific implementation, functional module is provided with the on-board air conditioner controller 20, and independently of the built-in function
The internal test modules of module.
In a kind of attainable mode, the master control system 10 is by structure and parses the test case, to described
The interior circulation of on-board air conditioner controller 20 sets function and is tested.
It is the step of interior circulation setting function to on-board air conditioner controller of present invention offer is tested referring to Fig. 4
Schematic flow sheet.
Function is set with air-conditioning interior circulation to be described as man-machine interactive testing object, mainly include the following steps that：
Step S401：Master control system 10 sends " interior circulation key command " to equipment under test (vehicle-mounted sky according to test case
Adjust controller) 20, and, send power supply instruction (for example, " constant pressure 14V outputs ") to test power supply 50；
Step S402：Test power supply 50 receives power supply instruction, output predeterminated voltage (such as 14V)；
Step S403：Equipment under test 20 receives " interior circulation key command ", by internal test modules analysis instruction and calls
Interior circulation button function interface in functional module, while inner-outer circulation state variable in internal test modules read functions module
It is worth and encapsulates, via bus feedback to master control system 10.
Step S404：The position feedback voltage of inner-outer circulation motor in the control detection peripheral components of unit 40 collection 30 is adopted, according to
Host-host protocol is encapsulated, and master control system 10 is fed back to via digital circuit；
Step S405：Master control system 10 checks whether the inner-outer circulation state of equipment under test is interior circulation, is followed inside and outside inspection
Whether the position feedback voltage of ring motor is interior circulation magnitude of voltage, is tested if condition is satisfied by and passed through, finally output test
Information.
Similarly, it is necessary to explanation, above step label is used only as distinguishing each step, not to the priority of each step
Order carries out considered critical, for example, step S403 and step S404 can need and executed in parallel according to actual test.
Equally, as shown in Fig. 2 embodiments, the internal test modules of on-board air conditioner controller 20 should be independently of other functions mould
Block, and the operation of other functions module can not be influenceed.
In another attainable mode, the master control system 10 is by structure and parses the test case, to institute
The fault diagnosis functions for stating on-board air conditioner controller 20 are tested.
It is that the fault diagnosis functions to on-board air conditioner controller of present invention offer flow the step of test referring to Fig. 5
Journey schematic diagram.
The embodiment is based on UDS 19H service (referring to ISO14229) agreements of CAN, it is assumed that equipment under test is (vehicle-mounted
Air-conditioner controller) DTC (diagnostic trouble code) writing function that evaporator temperature sensor input is shorted to ground is realized in 20, because
This, this implementation is tested the diagnostic function, and testing procedure mainly includes：
Step S501：Master control system 10 sends evaporator temperature sensor 0V and instructs to adopting control unit according to test case
40, send power supply instruction (for example, " constant pressure 14V outputs ") and give test power supply 50, send diagnostic trouble code DTC read requests
Message is to equipment under test 20；
Step S502：Test power supply 50 receives power supply instruction, output predeterminated voltage (such as 14V)；
Step S503：Adopt control unit 40 and receive evaporator temperature sensor 0V instructions, export 0V voltages to equipment under test 20
Evaporator temperature sensor input interface；
Step S504：Equipment under test 20 receives diagnostic trouble code DTC read requests messages, performs diagnosis request, sends
Diagnostic response message；
Step S505：Whether master control system 10 judges be input into short circuit comprising evaporator temperature sensor in diagnostic response message
To the diagnostic trouble code DTC information on ground；If so, then the test case passes through；If it is not, then test case failure；Finally export
Test information.
In another attainable mode, the master control system 10 writes the test case by structure and parsing, right
The power initiation function of the on-board air conditioner controller 20 is tested.
It is that the fault diagnosis functions to on-board air conditioner controller of present invention offer flow the step of test referring to Fig. 6
Journey schematic diagram.
The embodiment is described by taking starting impulse test (referring to ISO16750-2) as an example, and its main testing procedure is such as
Under：
Step S601：Master control system 10 sends start-up command to equipment under test 20 according to test case, sends power supply
Test power supply 50 is given in instruction " constant pressure 14V outputs "；
Step S602：Test power supply 50 receives instruction, exports 14V voltages；
Step S603：Equipment under test 20 receives start-up command and enters normal operating conditions；
Step S604：Master control system 10 is instructed according to test case transmission starting impulse and gives test power supply 50；
Step S605：Test power supply 50 receives starting impulse instruction, exports starting impulse；
Step S606：Time delay waits starting impulse output to finish；
Step S607：Master control system 10 sends power supply instruction " constant pressure 14V outputs " and gives test power supply 50；
Step S608：Test power supply 50 receives instruction, exports 14V voltages；
Step S609：Adopt the actuator such as air blower, pattern motor, mixed wind turbine in the control detection of unit 40 peripheral components collection 30
Feedback signal, be encapsulated according to host-host protocol, via bus feedback to master control system 10；
Step S610：Equipment under test 20 by internal test modules it is (as shown in Figure 2) read equipment under test in air blower, mould
The state of a control of formula motor, mixed wind turbine, by bus feedback to master control system 10；
Step S611：Master control system 10 judges that equipment under test is to the state of a control of actuator and actuator virtual condition
It is no consistent, output test result and test information.
The automatic test technology scheme of on-board air conditioner controller provided in an embodiment of the present invention, by the vehicle-mounted sky of equipment under test
Adjust controller (HVAC) and the simulation of peripheral components collection to build whole mounted air conditioner system, adopt the whole on-board air conditioner system of control monitoring units
The output signal of system simultaneously controls the input signal of mounted air conditioner system, tests power supply simulated automotive power supply, master control system control car
Air-conditioning system is carried to run and test its function.The connected mode of the modules of test system point rigid line (analog line) and bus
(digital circuit), master control system sends corresponding signal of communication and control instruction by bus to the part of test system,
And the status information fed back by each functional module is received based on bus, master control system according to equipment under test, adopt control unit, test
The feedback states and bus communication signal determining test result of power supply are simultaneously exported, and whole process explains acquisition according to test case
Signal of communication and control instruction perform automatically, without artificial Attended Operation, test speed is fast, the degree of accuracy is high, and can be according to reality
Border needs realize the test of difference in functionality module and circuit by rewriting test case, effectively improve the survey of on-board air conditioner controller
Examination efficiency and coverage rate, reduce testing cost.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of automatic test approach of on-board air conditioner controller, it is characterised in that including：
Built by master control system and parsing test case, the signal of communication that the test case sets is sent by digital circuit
And control instruction to on-board air conditioner controller, adopt control unit and test power supply；
The on-board air conditioner controller builds mounted air conditioner system with peripheral components collection, according to the signal of communication of the master control system
And control instruction simulation human-computer interaction function, and periodic feedback oneself state gives the master control system；
The control unit of adopting is connected by analog line with the peripheral components collection, the control peripheral components collection it is every defeated
Enter signal, gather and feed back the output state information of the peripheral components collection to the master control system；
The test power supply exports corresponding power pulse to institute according to the control instruction of the master control system by analog line
State on-board air conditioner controller and the peripheral components collection, and fed power supplies status information is to the master control system；
The master control system is by adopting control unit, the on-board air conditioner controller and the test power supply described in digital circuit reception
Feedback signal, according to the feedback signal judge and output test result.
2. the automatic test approach of on-board air conditioner controller as claimed in claim 1, it is characterised in that the on-board air conditioner control
Functional module is provided with device processed, and independently of the internal test modules of the inner function module.
3. the automatic test approach of on-board air conditioner controller as claimed in claim 1 or 2, it is characterised in that the master control system
System by building and parsing the test case, test by the interior circulation setting function to the on-board air conditioner controller.
4. the automatic test approach of on-board air conditioner controller as claimed in claim 1 or 2, it is characterised in that the master control system
System by building and parsing the test case, test by the fault diagnosis functions to the on-board air conditioner controller.
5. the automatic test approach of on-board air conditioner controller as claimed in claim 1 or 2, it is characterised in that the master control system
System writes the test case by structure and parsing, and the power initiation function to the on-board air conditioner controller is tested.
6. a kind of Auto-Test System of on-board air conditioner controller, it is characterised in that including：Master control system, on-board air conditioner control
Device, peripheral components collection, adopt control unit and test power supply；
Master control system, for building and parsing test case, signal of communication and control instruction is sent to described by digital circuit
On-board air conditioner controller, described adopting control unit and the test power supply；
The on-board air conditioner controller builds mounted air conditioner system with the peripheral components collection, for according to the master control system
Signal of communication and control instruction simulation human-computer interaction function, and periodic feedback oneself state gives the master control system；
It is described to adopt control unit, it is connected with the peripheral components collection by analog line, for controlling each of the peripheral components collection
Input signal, gather and feed back the output state information of the peripheral components collection to the master control system；
The test power supply, for the control instruction according to the master control system, corresponding power supply arteries and veins is exported by analog line
Punching is to the on-board air conditioner controller and the peripheral components collection, and fed power supplies status information is to the master control system；
The master control system, is additionally operable to receive described adopting by digital circuit and controls unit, the on-board air conditioner controller and described
The feedback signal of power supply is tested, is judged and is outputed test result according to the feedback signal.
7. the Auto-Test System of on-board air conditioner controller as claimed in claim 6, it is characterised in that the on-board air conditioner control
Functional module is provided with device processed, and independently of the internal test modules of the inner function module.
8. the Auto-Test System of on-board air conditioner controller as claimed in claims 6 or 7, it is characterised in that the master control system
System is additionally operable to survey the interior circulation setting function of the on-board air conditioner controller by building and parsing the test case
Examination.
9. the Auto-Test System of on-board air conditioner controller as claimed in claims 6 or 7, it is characterised in that the master control system
System is additionally operable to survey the fault diagnosis functions of the on-board air conditioner controller by building and parsing the test case
Examination.
10. the Auto-Test System of on-board air conditioner controller as claimed in claims 6 or 7, it is characterised in that the master control system
System writes the test case by structure and parsing, is additionally operable to survey the power initiation function of the on-board air conditioner controller
Examination.
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| CN114706377A (en) * | 2022-06-08 | 2022-07-05 | 江铃汽车股份有限公司 | Vehicle-mounted air conditioner testing system |
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