CN108303966A - Test circuit, test method and the test equipment of electrically operated gate ECU - Google Patents

Test circuit, test method and the test equipment of electrically operated gate ECU Download PDF

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Publication number
CN108303966A
CN108303966A CN201810013341.0A CN201810013341A CN108303966A CN 108303966 A CN108303966 A CN 108303966A CN 201810013341 A CN201810013341 A CN 201810013341A CN 108303966 A CN108303966 A CN 108303966A
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China
Prior art keywords
ecu
control unit
electrically operated
movement
test
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Granted
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CN201810013341.0A
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Chinese (zh)
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CN108303966B (en
Inventor
梁英尤
何飞
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Guangdong Dongjian Automobile Technology Co Ltd
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Guangdong Dongjian Automobile Technology Co Ltd
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00Testing or monitoring of control systems or parts thereof
    • G05B23/02Electric testing or monitoring
    • G05B23/0205Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0208Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
    • G05B23/0213Modular 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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)

Abstract

The present invention relates to automobile technical fields, disclose a kind of test circuit, test method and the test equipment of electrically operated gate ECU.The circuit includes:It includes functional movement control unit and anti-obstacle motion control unit to instruct work control machine, power work control machine, ECU circuit boards, safe current test cell and electronic load, ECU circuit boards;Work control machine and power work control machine is instructed to be coupled respectively with ECU circuit boards, and ECU circuit boards pass sequentially through circuit trace with safe current test cell and electronic load and connect to be formed into a loop, instruction work control machine is coupled with electronic load by usb bus, and whether normal operating conditions is in test function motion control unit and anti-obstacle motion control unit.By the above-mentioned means, the present invention is capable of detecting when whether electrically operated gate ECU is in normal operating conditions.

Description

Test circuit, test method and the test equipment of electrically operated gate ECU
Technical field
The present invention relates to automobile technical field, more particularly to a kind of test circuit of electrically operated gate ECU, test method and Test equipment.
Background technology
The present inventor has found that electrically operated gate is widely used in the friendships such as car, SUV during long-term research invention On logical tool, the driving of electrically operated gate is to be realized by electronic strut, and the work of electronic strut is by the ECU of automobile (Electronic Control Unit, electronic control unit), also known as " car running computer " control, and ECU is in normal operating conditions The electronic strut of ability normal control executes work, to drive the normal work of electrically operated gate, if ECU is not in normal operating conditions, It is then unable to control electronic strut and completes normal work, electrically operated gate is caused unusual condition occur, automobile is used to autoist Electrically operated gate causes harmful effect, but currently, is capable of detecting when whether the product of ECU and ECU brush programs is in there is no device Normal operating conditions.
Invention content
In view of this, the invention mainly solves the technical problem of providing a kind of test circuit of electrically operated gate ECU, test sides Method and test equipment, are capable of detecting when whether electrically operated gate ECU is in normal operating conditions.
In order to solve the above technical problems, one aspect of the present invention is:A kind of test of electrically operated gate ECU is provided Circuit, the circuit include:
Instruct work control machine, power work control machine, ECU circuit boards, safe current test cell and electronic load, ECU Circuit board includes functional movement control unit and anti-obstacle motion control unit;Instruct work control machine and power work control machine It is coupled respectively with ECU circuit boards, and ECU circuit boards pass sequentially through circuit with safe current test cell and electronic load and walk Line is connected to be formed into a loop, and instruction work control machine is coupled with electronic load by usb bus, with test function motion control unit And whether anti-obstacle motion control unit is in normal operating conditions.
In order to solve the above technical problems, another technical solution that the present invention uses is:A kind of electrically operated gate ECU tests are provided Method, this method include:
Instruct work control machine output function movement instruction, and the corresponding voltage of power work control machine output function movement instruction And pulse;Functional movement control unit receive capabilities movement instruction and functional movement instruct corresponding voltage and pulse; Corresponding voltage and pulse are instructed according to functional movement instruction and functional movement, electrically operated gate is obtained and completes functional movement instruction Run duration needed for corresponding functional movement;Run duration is judged whether in predetermined movement time range, if run duration In predetermined movement time range, then decision-making function motion control unit is in normal operating conditions;And
It is instructed according to functional movement, safe current test cell detection electronic load is exported to anti-obstacle motion control unit The intensity of load current, instruction work control machine control electronic load using preset time as the period, and with default by usb bus Current threshold is the intensity that amplitude increases load current;Judge whether the intensity of load current is more than safe current threshold value, if so, Then judge that anti-obstacle motion control unit is not in normal operating conditions.
In order to solve the above technical problems, another technical solution that the present invention uses is:A kind of survey of electrically operated gate ECU is provided Equipment is tried, which includes the test circuit and ECU tooling displacement structures for the electrically operated gate ECU that above-described embodiment is illustrated, ECU Tooling displacement structure to realize being electrically connected for ECU circuit boards and equipment, and then tests ECU circuit boards for placing ECU circuit boards Functional movement control unit and anti-obstacle motion control unit whether be in normal operating conditions.
The beneficial effects of the invention are as follows:The electrically operated gate test circuit of the present invention, by instructing work control machine and power work Control machine is coupled with ECU circuit boards respectively, and ECU circuit boards are passed sequentially through with safe current test cell and electronic load Circuit trace is connected to be formed into a loop, and instruction work control machine is coupled with electronic load by usb bus, is instructed according to functional movement And the corresponding voltage of binding function movement instruction and pulse, with test function motion control unit whether in normal work shape State, and by judging whether load current density is more than safe current threshold value, anti-obstacle motion control unit is judged with simulation Whether stop electrically operated gate movement when encountering barrier in electrically operated gate motion process, to test function motion control unit and Whether anti-obstacle motion control unit is in normal operating conditions, and then judges whether electrically operated gate ECU is in normal operating conditions.
Description of the drawings
Fig. 1 is the structural schematic diagram of the test circuit first embodiment of electrically operated gate ECU of the present invention;
Fig. 2 is the flow diagram of the test method first embodiment of circuit shown in Fig. 1;
Fig. 3 is the flow diagram of the test method second embodiment of circuit shown in Fig. 1;
Fig. 4 is the flow diagram of the test method 3rd embodiment of circuit shown in Fig. 1;
Fig. 5 is the structural schematic diagram of the test circuit second embodiment of electrically operated gate ECU of the present invention;
Fig. 6 is the flow diagram of the test method first embodiment of circuit shown in Fig. 5;
Fig. 7 is the flow diagram of the test method second embodiment of circuit shown in Fig. 5;
Fig. 8 is the flow diagram of the test method 3rd embodiment of circuit shown in Fig. 5;
Fig. 9 is the structural schematic diagram of the test circuit 3rd embodiment of electrically operated gate ECU of the present invention;
Figure 10 is the flow diagram of one embodiment of test method of circuit shown in Fig. 9;
Figure 11 is the structural schematic diagram of the test circuit fourth embodiment of electrically operated gate ECU of the present invention;
Figure 12 is the flow diagram of one embodiment of test method of circuit shown in Figure 11;
Figure 13 is the structural schematic diagram of one embodiment of test equipment of electrically operated gate ECU of the present invention;
Figure 14 is the structural schematic diagram of one embodiment of ECU toolings displacement structure of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes.
ECU (Electronic Control Unit) electronic control unit, also known as " car running computer ", " vehicle-mounted computer " etc.. It is then automobile specified microcomputerized controller from purposes.As common computer, by microprocessor (CPU), memory (ROM, RAM), the large scale integrated circuits composition such as input/output interface (I/O), analog-digital converter (A/D) and driving, i.e., " ECU is The brain of automobile ".The probability of ECU damages is relatively low, and CPU is core in ECU, it has the function of operation and control, hair At runtime, it acquires the signal of each sensor to motivation, carries out operation, and the result of operation is changed signal in order to control, control The work of controlled device.It also carry out to memory (ROM/FLASH/EEPROM, RAM), input/output interface (I/O) and its The control of its external circuit;It is base that the program stored in memory ROM, which is by accurately calculating the data obtained with many experiments, What plinth was write, when the engine is working, the signal of each sensor constantly come with acquisition is compared and counts the intrinsic program It calculates.
The technical issues of whether electrically operated gate ECU is in normal operating conditions, this hair can not be detected to solve the prior art Bright to provide a kind of test circuit of electrically operated gate ECU, which includes test power supply, quiescent current test cell and ECU circuits Plate, test power supply, quiescent current test cell and ECU circuit boards are sequentially connected in series by circuit trace to be formed into a loop, to survey Whether the dormant state control unit for trying ECU circuit boards is in normal operating conditions.It is described in detail below.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of the test circuit first embodiment of electrically operated gate ECU of the present invention.
In the present embodiment, the test circuit 100 of electrically operated gate ECU includes test power supply 101, quiescent current test cell 102 and ECU circuit boards 103, test power supply 101, quiescent current test cell 102 and ECU circuit boards 103 are walked by circuit Line 104 is sequentially connected in series to be formed into a loop, and whether the dormant state control unit 105 to test ECU circuit boards 103 is in normal work Make state.
Quiescent current test cell 102 includes the first quiescent current test cell 106 and the second quiescent current of parallel connection Test cell 107, the first quiescent current test cell 106 correspond to the first suspend mode shape that dormant state control unit 105 is controlled State, the second quiescent current test cell 107 correspond to the second dormant state that dormant state control unit 105 is controlled, wherein the One dormant state and the second dormant state, which correspond to electrically operated gate and be in, to be fully opened and closed state, dormant state refer to electronic Door is not in motion state, and certainly, dormant state control unit 105 may also comprise multiple dormant states, and corresponding electrically operated gate is in Different motion amplitude state, such as electrically operated gate motion amplitude are 20 ° of angles, 30 ° of angles and 45° angle etc., and electrically operated gate moves after opening Amplitude reaches motion amplitude i.e. stop motion described above, and electrically operated gate keeps current open angle constant, i.e., a corresponding suspend mode State, different dormant states are both provided with different quiescent current test cells 102, to test dormant state control unit 105 Whether each dormant state of electrically operated gate controlled is in normal operating conditions.
It should be noted that electrically operated gate in a dormant state when, to make electrically operated gate keep current open angle constant, need It to be passed through electric current in the electronic strut of electrically operated gate, which is the quiescent current of corresponding dormant state, by judging suspend mode Whether electric current is interior to judge whether the corresponding dormant state that dormant state control unit 105 is controlled is in just in zone of reasonableness Normal working condition.
Optionally, the first quiescent current test cell 106 connected respectively with the second quiescent current test cell 107 one control Switch 108, each switch 108 that controls control test power supply 101, the first quiescent current test cell 106 and ECU circuit boards respectively 103 break-makes being formed into a loop and test power supply 101,103 institute of the second quiescent current test cell 107 and ECU circuit boards The break-make of forming circuit.
Optionally, test power supply 101 can use the nominal voltage 12V of automobile batteries, real to meet ECU circuit boards 103 The working environment on border tests the dormant state control unit 105 of ECU circuit boards 103, and certainly, test power supply 101 also may be used To use the voltage of other volt values, the corresponding zone of reasonableness for testing electric current also corresponding test 101 voltage of power supply adjustment, with description Whether the dormant state control unit 105 of ECU circuit boards 103 is in normal operating conditions.
Please refer to Fig.1 the flow diagram that -2, Fig. 2 is the test method first embodiment of circuit shown in Fig. 1.
S201:First quiescent current test cell 106 or the second quiescent current test cell 107 and test power supply 101 with And the connection of ECU circuit boards 103 forms access;
In the present embodiment, it is gone here and there by the first quiescent current test cell 106 and the second quiescent current test cell 107 The control switch 108 of connection controls corresponding quiescent current test cell 102 and connects with test power supply 101 and ECU circuit boards 103 It is logical to form access.
S202:Judge the size of current by the quiescent current test cell 102 in the access whether in quiescent current threshold It is worth in range;
In the present embodiment, if by the size of current of the quiescent current test cell 102 in the access in quiescent current In threshold range, S203 is thened follow the steps, if the size of current by the quiescent current test cell 102 in the access is not stopped Within the scope of dormancy current threshold, then prompt message is sent out, the correspondence dormant state that ECU circuit boards 103 are controlled is prompted to be not in just Normal working condition.
S203:The correspondence dormant state that judgement ECU circuit boards 103 are controlled is in normal operating conditions;
In the present embodiment, if by the size of current of the quiescent current test cell 102 in the access in quiescent current In threshold range, illustrate that quiescent current test cell 102 corresponds under the dormant state that ECU circuit boards 103 are controlled in the access Quiescent current be in zone of reasonableness, electrically operated gate is in normal operating conditions, be not present unusual condition, then judge ECU circuits The correspondence dormant state that the dormant state control unit 105 of plate 103 is controlled is in normal operating conditions.
Above as can be seen that the electrically operated gate ECU test circuits 100 of the present invention, test power supply 101, quiescent current test are single 102 and ECU of member circuit boards 103 are sequentially connected in series by circuit trace 104 to be formed into a loop, and it is single to control corresponding quiescent current test Member 102 forms access with test power supply 101 and ECU circuit boards 103, and judgement flows through quiescent current test cell in the access Whether 102 circuit size is in quiescent current threshold range, to judge that ECU circuit boards 103 control corresponding dormant state Whether it is in normal operating conditions, and then judges whether electrically operated gate ECU is in normal operating conditions.
Please refer to Fig.1 and Fig. 3, Fig. 3 be circuit shown in Fig. 1 test method second embodiment flow diagram.
S301:First quiescent current test cell, 106 corresponding control switch 108 is closed;
In the present embodiment, it is closed by 106 concatenated control switch 108 of the first quiescent current test cell, with conducting First quiescent current test cell 106 is formed by circuit with test power supply 101, ECU circuit boards 103, at this point, the second suspend mode is electric 107 concatenated control switch 108 of current test unit is off, and is formed with test power supply 101, ECU circuit boards 103 Circuit be not yet connected.
S302:Judge the size of current by the first quiescent current test cell 106 whether in quiescent current threshold range It is interior;
In the present embodiment, if by the size of current of the first quiescent current test cell 106 in quiescent current threshold value model In enclosing, S303 is thened follow the steps, if by the size of current of the first quiescent current test cell 106 not in quiescent current threshold value model In enclosing, then prompt message is sent out, the first dormant state that ECU circuit boards 103 are controlled is prompted to be not in normal operating conditions.
Optionally, quiescent current threshold range can be≤100mA, specially 0 < quiescent currents≤100mA, if by The size of current of quiescent current test cell 102 illustrates the quiescent current under this dormant state in quiescent current threshold range Amplitude is in zone of reasonableness, will not cause harmful effect to the normal work of electrically operated gate, certainly, quiescent current threshold range Other numberical ranges are can use, type (such as automobile side-door, the automobile of the vehicle and electrically operated gate being adapted to according to ECU circuit boards 103 Tail-gate etc.), the dormant circuit amplitude under the dormant state that ECU circuit boards 103 are controlled also is not quite similar, therefore can basis The type of vehicle and electrically operated gate that ECU circuit boards 103 are adapted to determines quiescent current threshold range, does not limit herein.
S303:First dormant state of 103 control of judgement ECU circuit boards is in normal operating conditions;
In the present embodiment, if by the size of current of the first quiescent current test cell 106 in quiescent current threshold value model In enclosing, illustrate that the first quiescent current test cell 106 corresponds to the suspend mode under the first dormant state that ECU circuit boards 103 are controlled Electric current is in zone of reasonableness, and the first dormant state of electrically operated gate is in normal operating conditions, and unusual condition is not present, then judges The first dormant state that the dormant state control unit 105 of ECU circuit boards 103 is controlled is in normal operating conditions.
S304:Second quiescent current test cell, 107 corresponding control switch 108 is closed;
In the present embodiment, 105 institute of the first quiescent current test cell 106 correspondence dormant state control unit is being tested First dormant state of control directly carries out the second quiescent current test cell of test whether after normal operating conditions Whether the second dormant state that 107 correspondence dormant state control units 105 are controlled is in the work of normal operating conditions, due to The test method that the present embodiment is illustrated is each suspend mode controlled the dormant state control unit 105 of ECU circuit boards 103 State is tested, and electrically operated gate is controlled after need to receiving command adapted thereto without dormant state control unit 105 in such as practical application Working condition, therefore the test method that is illustrated of the present embodiment is using directly controlling respectively dormant state control unit 105 Dormant state carries out test job, does not set the testing procedure for receiving command adapted thereto.
In the present embodiment, the first quiescent current test cell 106 and test 103 shapes of power supply 101 and ECU circuit boards Continue a delay duration at the current interruptions action in access, and the second quiescent current test cell 107 and test power supply 101 with And the current lead-through action in 103 formed access of ECU circuit boards continues a delay duration, to meet the practical work of motorcar electric door The working characteristics of work, at the same the current interruptions delay of the first quiescent current test cell 106 correspondence access and the second suspend mode is electric The current lead-through delay that current test unit 107 corresponds to access is carried out at the same time to reduce the test dormant state control of test circuit 100 The 105 required testing time of unit, it should be noted that the conducting and interrupt action in automobile circuit are not to complete moment , but continue an extension duration, to give each functive (such as automobile side-door, automobile tail gate, bonnet etc.) one in automobile Impulse force is opened, so that each functive of automobile is smooth to complete each function action, the situation that avoids the occurrence of interim card or can not open.
Optionally, delay duration can be 0.1s, 0.2s, 0.3s etc., and delay duration can be according on ECU circuit boards 103 Vehicle setting corresponding to the control program loaded, to meet the characteristic of ECU circuit boards 103 in actual work, and is tested In circuit 100 conducting of electric current and interrupt that change in process rate can be constant can also be variation, that is, electric current is led Logical rate of change is constant in delay duration or rate of change increases increase with time with interruption, or is variation Rate is reduced increase with time, is not limited herein.
S305:First quiescent current test cell, 106 corresponding control switch 108 disconnects;
In the present embodiment, after 106 corresponding access of the first quiescent current test cell completes current interruptions delay, i.e., The test job for completing the first dormant state that dormant state control unit 105 is controlled, subsequently enters dormant state control The test job for the second dormant state that unit 105 is controlled, it is therefore desirable to disconnect the first quiescent current test cell 106 correspondence Control switch 108, formed with test power supply 101, ECU circuit boards 103 with interrupting the first quiescent current test cell 106 Circuit.
S306:Judge the current strength by the second quiescent current test cell 107 whether in quiescent current threshold range It is interior;
In the present embodiment, if by the size of current of the second quiescent current test cell 107 in quiescent current threshold value model In enclosing, S307 is thened follow the steps, if by the size of current of the second quiescent current test cell 107 not in quiescent current threshold value model In enclosing, then prompt message is sent out, the second dormant state that ECU circuit boards 103 are controlled is prompted to be not in normal operating conditions.
S307:Second dormant state of 103 control of judgement ECU circuit boards is in normal operating conditions;
In the present embodiment, if by the size of current of the second quiescent current test cell 107 in quiescent current threshold value model In enclosing, illustrate that the second quiescent current test cell 107 corresponds to the suspend mode under the second dormant state that ECU circuit boards 103 are controlled Electric current is in zone of reasonableness, and the second dormant state of electrically operated gate is in normal operating conditions, and unusual condition is not present, then judges The second dormant state that the dormant state control unit 105 of ECU circuit boards 103 is controlled is in normal operating conditions.
Please refer to Fig.1 and Fig. 4, Fig. 4 be circuit shown in Fig. 1 test method 3rd embodiment flow diagram.
S401:Second quiescent current test cell, 107 corresponding control switch 108 is closed;
In the present embodiment, it is closed by 107 concatenated control switch 108 of the second quiescent current test cell, with conducting Second quiescent current test cell 107 is formed by circuit with test power supply 101, ECU circuit boards 103, at this point, the first suspend mode is electric 106 concatenated control switch 108 of current test unit is off, and is formed with test power supply 101, ECU circuit boards 103 Circuit be not yet connected.
S402:Judge the size of current by the second quiescent current test cell 107 whether in quiescent current threshold range It is interior;
In the present embodiment, if by the size of current of the second quiescent current test cell 107 in quiescent current threshold value model In enclosing, S403 is thened follow the steps, if by the size of current of the second quiescent current test cell 107 not in quiescent current threshold value model In enclosing, then prompt message is sent out, the second dormant state that ECU circuit boards 103 are controlled is prompted to be not in normal operating conditions.
S403:Second dormant state of 103 control of judgement ECU circuit boards is in normal operating conditions;
In the present embodiment, if by the size of current of the second quiescent current test cell 107 in quiescent current threshold value model In enclosing, illustrate that the second quiescent current test cell 107 corresponds to the suspend mode under the second dormant state that ECU circuit boards 103 are controlled Electric current is in zone of reasonableness, and the second dormant state of electrically operated gate is in normal operating conditions, and unusual condition is not present, then judges The second dormant state that the dormant state control unit 105 of ECU circuit boards 103 is controlled is in normal operating conditions.
S404:First quiescent current test cell, 106 corresponding control switch 108 is closed;
In the present embodiment, 105 institute of the second quiescent current test cell 107 correspondence dormant state control unit is being tested Second dormant state of control directly carries out the first quiescent current test cell of test whether after normal operating conditions Whether the first dormant state that 106 correspondence dormant state control units 105 are controlled is in the work of normal operating conditions, due to The test method that the present embodiment is illustrated is each suspend mode controlled the dormant state control unit 105 of ECU circuit boards 103 State is tested, and electrically operated gate is controlled after need to receiving command adapted thereto without dormant state control unit 105 in such as practical application Working condition, therefore the test method that is illustrated of the present embodiment is using directly controlling respectively dormant state control unit 105 Dormant state carries out test job, does not set the testing procedure for receiving command adapted thereto.
In the present embodiment, the second quiescent current test cell 107 and test 103 shapes of power supply 101 and ECU circuit boards Continue a delay duration at the current interruptions action in access, and the first quiescent current test cell 106 and test power supply 101 with And the current lead-through action in 103 formed access of ECU circuit boards continues a delay duration, to meet the practical work of motorcar electric door The working characteristics of work, at the same the current interruptions delay of the second quiescent current test cell 107 correspondence access and the first suspend mode is electric The current lead-through delay that current test unit 106 corresponds to access is carried out at the same time to reduce the test dormant state control of test circuit 100 The 105 required testing time of unit.
S405:Second quiescent current test cell, 107 corresponding control switch 108 disconnects;
In the present embodiment, after 107 corresponding access of the second quiescent current test cell completes current interruptions delay, i.e., The test job for completing the second dormant state that dormant state control unit 105 is controlled, subsequently enters dormant state control The test job for the first dormant state that unit 105 is controlled, it is therefore desirable to disconnect the second quiescent current test cell 107 correspondence Control switch 108, formed with test power supply 101, ECU circuit boards 103 with interrupting the second quiescent current test cell 107 Circuit.
S406:Judge the current strength by the first quiescent current test cell 106 whether in quiescent current threshold range It is interior;
In the present embodiment, if by the size of current of the first quiescent current test cell 106 in quiescent current threshold value model In enclosing, S407 is thened follow the steps, if by the size of current of the first quiescent current test cell 106 not in quiescent current threshold value model In enclosing, then prompt message is sent out, the first dormant state that ECU circuit boards 103 are controlled is prompted to be not in normal operating conditions.
S407:First dormant state of 103 control of judgement ECU circuit boards is in normal operating conditions;
In the present embodiment, if by the size of current of the first quiescent current test cell 106 in quiescent current threshold value model In enclosing, illustrate that the first quiescent current test cell 106 corresponds to the suspend mode under the first dormant state that ECU circuit boards 103 are controlled Electric current is in zone of reasonableness, and the first dormant state of electrically operated gate is in normal operating conditions, and unusual condition is not present, then judges The first dormant state that the dormant state control unit 105 of ECU circuit boards 103 is controlled is in normal operating conditions.
In conclusion the electrically operated gate ECU test circuits of the present invention, test power supply, quiescent current test cell and ECU electricity Road plate is sequentially connected in series by circuit trace to be formed into a loop, and the corresponding quiescent current test cell of control and test are switched by controlling Power supply and ECU circuit boards form access, judge whether the circuit size for flowing through quiescent current test cell in the access stops Within the scope of dormancy current threshold, to judge that the dormant state control unit of ECU circuit boards controls whether corresponding dormant state is located In normal operating conditions, so judge electrically operated gate ECU whether be in normal operating conditions, and in access the conducting of electric current in It is disconnected to be provided with deferred action, test process can be made more to meet the time-delay characteristics of ECU circuit board real works.
The technical issues of whether electrically operated gate ECU is in normal operating conditions, this hair can not be detected to solve the prior art Bright to provide a kind of test circuit of electrically operated gate ECU, which includes instruction work control machine, power work control machine and ECU circuits Plate, ECU circuit boards include functional movement control unit, instruct work control machine and power work control machine respectively with ECU circuit boards It is coupled by circuit trace, instruction work control machine is used for functional movement control unit output function movement instruction, power industry control Whether machine processed is used for the corresponding voltage of output function movement instruction and pulse, with test function motion control unit in normal Working condition.It is described in detail below.
Referring to Fig. 5, Fig. 5 is the structural schematic diagram of the test circuit second embodiment of electrically operated gate ECU of the present invention.
In the present embodiment, the test circuit 500 of electrically operated gate ECU includes instruction work control machine 501, power work control machine 502 and ECU circuit boards 503, ECU circuit boards 503 include functional movement control unit 504, instruct work control machine 501 and move Power work control machine 502 is coupled with ECU circuit boards 503 by circuit trace 505 respectively, and instruction work control machine 501 is used for function 504 output function movement instruction of motion control unit, power work control machine 502 are used for the corresponding voltage of output function movement instruction And pulse, whether normal operating conditions is in test function motion control unit 504.
In the present embodiment, the actual function of form simulation electrically operated gate of electric signal may be used in instruction work control machine 501 Movement, and the corresponding analog signal of functional movement, that is, functional movement are instructed, it is transmitted to the function fortune of ECU circuit boards 503 Whether dynamic control unit 504 is in normal operating conditions, wherein functional movement is instructed with test function motion control unit 504 Including at least one of unlocking movement instruction, enabling movement instruction, shutdown movement instruction and locking movement instruction, corresponding electricity Dynamic door unlocking moves, enabling movement, closing the door to move and lock moves.
Optionally, unlocking movement instruction with locking movement instruction signal form may include have the first signal form and At least one of second signal form.Enabling movement instruction and shutdown movement instruction may include having the first signal form, the At least one of binary signal form and third signal form.
Wherein, the first signal form is level signal form, and second signal form is CAN-BUS signal forms, third letter Number form is former vehicle (PWM) signal form.It is needing to illustrate but, level signal form refers to functional movement command source in electricity The level signal that the remote control device (such as automobile key etc.) of dynamic door is sent out;CAN-BUS signal forms refer to and control The signal form that the control unit of the electrically operated gate functional movement of the CAN bus coupling of electrically operated gate is sent out, usually car steering The operation button of electrically operated gate is controlled in room, CAN (Controller AreaNetwork) is the serial communication of ISO International standardizations Agreement.It is various for the requirement to safety, comfort, convenience, low nuisanceless, low cost in automobile industry ECU systems are developed.Requirement phase not to the utmost due to communicating data type used between these systems and to reliability Together, therefore by multiple bus it constitutes, for adaptation " quantity for reducing harness ", the high speed that mass data is carried out by multiple LAN is logical Letter, that is, the CAN bus realization ECU in automobile and each section high-speed communication in automobile, control unit send out CAN-BUS letters Number through CAN bus reach electrically operated gate, to control electrically operated gate execute corresponding function movement;Former vehicle signal form refers to being installed on electricity The control structure being directly connected to electric motor of automobile on dynamic door, by operating the control structure being connect with electric motor of automobile in electrically operated gate, The functional movement of electrically operated gate can be directly controlled by electric motor of automobile.
Optionally, instruction work control machine 501 is coupled at least one circuit trace 505 with ECU circuit boards 503, to realize Instruct work control machine 501 to 504 output function movement instruction of functional movement control unit, instruction work control machine 501 and ECU circuits It can be directed to the instruction of each functional movement between plate 503 and be respectively arranged with a circuit trace 505, transported with distinguishing different functions The signal form of dynamic instruction and functional movement instruction, instructing certainly can be only between work control machine 501 and ECU circuit boards 503 It is coupled with a circuit trace 505, is instructed by each functional movement and its corresponding unlike signal frequency of signal form etc. is to each Functional movement instructs and its signal form is distinguish, and the present embodiment is to instruct between work control machine 501 and ECU circuit boards 503 The instruction of each functional movement can be directed to be respectively arranged with a circuit trace 505 and be illustrated, only discuss and need, not because This is to instructing the 505 coupling form of circuit trace between work control machine 501 and ECU circuit boards 503 to cause to limit.
Optionally, the circuit trace 505 coupled between instruction work control machine 501 and ECU circuit boards 503 passes through a control Switch 506 controls corresponding functional movement instruction input ECU circuit boards 503, by controlling the unlatching and interruption of switch 506, control System control 506 corresponding functional movement instruction input ECU circuit boards 503 of switch.
Fig. 5-6 is please referred to, Fig. 6 is the flow diagram of the test method first embodiment of circuit shown in Fig. 5.
S601:501 output function movement instruction of work control machine is instructed, and the movement of 502 output function of power work control machine refers to Enable corresponding voltage and pulse;
In the present embodiment, 501 output function movement instruction of instruction work control machine, and power work control machine 502 exports The voltage and pulse for instructing the functional movement instruction of 501 output of work control machine corresponding, simulation electrically operated gate connect in actual work The instruction for receiving functional movement, by the electronic strut of electrically operated gate voltage value and pulse value feed back, to judge that electrically operated gate is No to be in normal operating conditions, different functional movements instructs corresponding voltage and pulse also different.
S602:504 receive capabilities movement instruction of functional movement control unit and functional movement instruct corresponding voltage with And pulse;
In the present embodiment, functional movement control unit 504 receives the functional movement that instruction work control machine 501 exports and refers to The voltage for the corresponding function movement instruction that order and power work control machine 502 export and pulse, wherein corresponding function movement refer to The voltage of order and pulse are analog signal, to convey the electronic strut of simulation electrically operated gate real to functional movement control unit 504 When border executes the functional movement of corresponding function movement instruction, voltage value and pulse value on electronic strut, and in the present embodiment Test process be only simulation test, only need to be by the analog signal of voltage value and pulse value on the electronic strut for simulating electrically operated gate Feed back to functional movement control unit 504.
S603:Corresponding voltage and pulse are instructed according to functional movement instruction and functional movement, it is complete to obtain electrically operated gate At the run duration needed for the corresponding functional movement of function movement instruction;
In the present embodiment, functional movement instruction and function of the functional movement control unit 504 received by it The corresponding voltage of movement instruction and pulse calculate electrically operated gate completion functional movement and instruct the movement needed for corresponding functional movement Time, by judging whether run duration is reasonable, whether to be in normal work shape after arbitration functions motion control unit 504 State.
S604:Judge run duration whether in predetermined movement time range;
In the present embodiment, by judging run duration whether in predetermined movement time range, to judge that simulation is electronic Whether the run duration that door executes functional movement is reasonable, to whether be in normal work after arbitration functions motion control unit 504 Make state, if run duration thens follow the steps S605 in predetermined movement time range, if run duration is not in predetermined movement Between in range, then send out prompt message, the functional movement control unit 504 of ECU circuit boards 503 prompted to be not in normal work shape State.
It should be noted that the test method that the present embodiment is illustrated assumes that the process that electrically operated gate executes functional movement is Regular movement, such as electrically operated gate executes the rate remained constant of functional movement or electrically operated gate executes functional movement Rate have measurable regularity, such as acceleration is kept constant, so that electrically operated gate executes the process conversion of functional movement For that can survey form, and not electrically operated gate in actual work, is artificially turned on and off electrically operated gate, and the characteristics of motion can not trace, from And the accuracy of measurement result is influenced, the voltage that the present embodiment is exported by controlling power work control machine 502 is electronic to ensure The functional movement process of door is regular movement.
S605:Decision-making function motion control unit 504 is in normal operating conditions;
In the present embodiment, if the electrically operated gate acquired in functional movement control unit 504 executes functional movement instruction and corresponds to Functional movement needed for run duration in predetermined movement time range, that is, functional movement control unit 504 is controlled The run duration that electrically operated gate completes functional movement is in zone of reasonableness, then functions motion control unit 504 controls electronic The function that door executes functional movement is in normal operating conditions, that is, functional movement control unit 504 is in normal work shape State.
Above as can be seen that the electrically operated gate ECU test circuits of the present invention, pass through instruction work control machine and power industry control system Machine is coupled with ECU circuit boards by circuit trace respectively, and instruction work control machine is moved to functional movement control unit output function Instruction, the corresponding voltage of power work control machine output function movement instruction and pulse, instruct according to functional movement and combine work( Whether the corresponding voltage of energy movement instruction and pulse are in normal operating conditions, in turn with test function motion control unit Judge whether electrically operated gate ECU is in normal operating conditions.
Fig. 5 and Fig. 7 are please referred to, Fig. 7 is the flow diagram of the test method second embodiment of circuit shown in Fig. 5.
S701:Work control machine 501 is instructed to export unlocking movement instruction, and the corresponding fortune of unlocking of the output of power work control machine 502 The voltage of dynamic instruction and pulse;
In the present embodiment, 501 output function movement instruction of instruction work control machine, and power work control machine 502 exports The voltage and pulse for instructing the functional movement instruction of 501 output of work control machine corresponding, simulation electrically operated gate connect in actual work The instruction for receiving functional movement, by the electronic strut of electrically operated gate voltage value and pulse value feed back, to judge that electrically operated gate is No to be in normal operating conditions, different functional movements instructs corresponding voltage and pulse also different.
S702:Functional movement control unit 504 receive unlocking movement instruction and the corresponding voltage of unlocking movement instruction with And pulse;
In the present embodiment, functional movement control unit 504 receives the functional movement that instruction work control machine 501 exports and refers to The voltage for the corresponding function movement instruction that order and power work control machine 502 export and pulse, wherein corresponding function movement refer to The voltage of order and pulse are analog signal, to convey the electronic strut of simulation electrically operated gate real to functional movement control unit 504 When border executes the functional movement of corresponding function movement instruction, voltage value and pulse value on electronic strut, and in the present embodiment Test process be only simulation test, only need to be by the analog signal of voltage value and pulse value on the electronic strut for simulating electrically operated gate Feed back to functional movement control unit 504.
S703:According to unlocking movement instruction and its corresponding voltage and pulse, obtains electrically operated gate and execute movement institute of unlocking The run duration needed;
In the present embodiment, functional movement instruction and function of the functional movement control unit 504 received by it The corresponding voltage of movement instruction and pulse calculate electrically operated gate completion functional movement and instruct the movement needed for corresponding functional movement Time, by judging whether run duration is reasonable, whether to be in normal work shape after arbitration functions motion control unit 504 State.
The voltage of 502 exported corresponding function movement instruction of power work control machine determines that electrically operated gate executes corresponding function movement The pulse of the speed of the functional movement of instruction, 502 exported corresponding function movement instruction of power work control machine determines that electrically operated gate is held The stroke of the functional movement of row corresponding function movement instruction executes the functional movement of corresponding function movement instruction according to electrically operated gate Speed and stroke obtain electrically operated gate and execute the run duration needed for the functional movement.
S704:Judge run duration whether in predetermined movement time range;
In the present embodiment, by judging run duration whether in predetermined movement time range, to judge that simulation is electronic Whether the run duration that door executes functional movement is reasonable, to whether be in normal work after arbitration functions motion control unit 504 Make state, if run duration thens follow the steps S705 in predetermined movement time range, if run duration is not in predetermined movement Between in range, then send out prompt message, the functional movement control unit 504 of ECU circuit boards 503 prompted to be not in normal work shape State.
S705:Work control machine 501 is instructed to export enabling movement instruction, and the corresponding fortune of opening the door of the output of power work control machine 502 The voltage of dynamic instruction and pulse;
In the present embodiment, 501 output function movement instruction of instruction work control machine, and power work control machine 502 exports The voltage and pulse for instructing the functional movement instruction of 501 output of work control machine corresponding, simulation electrically operated gate connect in actual work The instruction for receiving functional movement, by the electronic strut of electrically operated gate voltage value and pulse value feed back, to judge that electrically operated gate is No to be in normal operating conditions, different functional movements instructs corresponding voltage and pulse also different.
S706:Functional movement control unit 504 receive enabling movement instruction and the corresponding voltage of enabling movement instruction with And pulse;
In the present embodiment, functional movement control unit 504 receives the functional movement that instruction work control machine 501 exports and refers to The voltage for the corresponding function movement instruction that order and power work control machine 502 export and pulse, wherein corresponding function movement refer to The voltage of order and pulse are analog signal, to convey the electronic strut of simulation electrically operated gate real to functional movement control unit 504 When border executes the functional movement of corresponding function movement instruction, voltage value and pulse value on electronic strut, and in the present embodiment Test process be only simulation test, only need to be by the analog signal of voltage value and pulse value on the electronic strut for simulating electrically operated gate Feed back to functional movement control unit 504.
S707:According to enabling movement instruction and its corresponding voltage and pulse, obtains electrically operated gate and execute movement institute of opening the door The run duration needed;
In the present embodiment, functional movement instruction and function of the functional movement control unit 504 received by it The corresponding voltage of movement instruction and pulse calculate electrically operated gate completion functional movement and instruct the movement needed for corresponding functional movement Time, by judging whether run duration is reasonable, whether to be in normal work shape after arbitration functions motion control unit 504 State.
S708:Judge run duration whether in predetermined movement time range;
In the present embodiment, by judging run duration whether in predetermined movement time range, to judge that simulation is electronic Whether the run duration that door executes functional movement is reasonable, to whether be in normal work after arbitration functions motion control unit 504 Make state, if run duration thens follow the steps S709 in predetermined movement time range, if run duration is not in predetermined movement Between in range, then send out prompt message, the functional movement control unit 504 of ECU circuit boards 503 prompted to be not in normal work shape State.
Optionally, predetermined movement time range can be 5s, 6s, 7s etc., and specially 5s~6s, 6s~7s etc. preset fortune Whether dynamic time range is reasonable to the run duration for describing electrically operated gate execution corresponding function movement, with arbitration functions motion control The working condition of unit 504, predetermined movement time range can be according to 504 institutes of functional movement control unit of ECU circuit boards 503 The vehicle and electrically operated gate type of adaptation are set, and the different corresponding predetermined movement time ranges of functional movement can be with It is identical, it can also be different, the different corresponding predetermined movement time ranges of functional movement can be set as identical, pass through change Electrically operated gate executes the movement rate of different function movement, and the run duration of different function movement is executed with unified electrically operated gate, or It is different functional movement and corresponds to different predetermined movement time ranges, the run duration of different function movement is executed to electrically operated gate It is compared with corresponding predetermined movement time range, to judge the reasonability of run duration, does not limit herein.
S709:Decision-making function motion control unit 504 is in normal operating conditions;
In the present embodiment, if the electrically operated gate acquired in functional movement control unit 504 executes functional movement instruction and corresponds to Functional movement needed for run duration in predetermined movement time range, that is, functional movement control unit 504 is controlled The run duration that electrically operated gate completes functional movement is in zone of reasonableness, then functions motion control unit 504 controls electronic The function that door executes functional movement is in normal operating conditions, that is, functional movement control unit 504 is in normal work shape State.
Fig. 5 and Fig. 8 are please referred to, Fig. 8 is the flow diagram of the test method 3rd embodiment of circuit shown in Fig. 5.
S801:Work control machine 501 is instructed to export shutdown movement instruction, and the corresponding fortune of closing the door of the output of power work control machine 502 The voltage of dynamic instruction and pulse;
In the present embodiment, 501 output function movement instruction of instruction work control machine, and power work control machine 502 exports The voltage and pulse for instructing the functional movement instruction of 501 output of work control machine corresponding, simulation electrically operated gate connect in actual work The instruction for receiving functional movement, by the electronic strut of electrically operated gate voltage value and pulse value feed back, to judge that electrically operated gate is No to be in normal operating conditions, different functional movements instructs corresponding voltage and pulse also different.
In the present embodiment, it is the actual working environment of simulated automotive electrically operated gate, to carry out shutdown test to electrically operated gate, It is centainly in open state, therefore tests first the shutdown campaign of electrically operated gate, carries out locking exercise test later, and And it should be noted that when electrically operated gate executes shutdown action, instruction work control machine 501 is needed to functional movement control unit 504 A unlocking signal is exported, in the case where ensuring that electric door lock is in open state, the electrically operated gate that the present embodiment is illustrated just is carried out and executes The flow of shutdown movement and locking movement, also for the actual working environment of simulated automotive electrically operated gate, if electric door lock It is closed, electrically operated gate can not execute shutdown action and locking action.
S802:Functional movement control unit 504 receive shutdown movement instruction and the corresponding voltage of shutdown movement instruction with And pulse;
In the present embodiment, functional movement control unit 504 receives the functional movement that instruction work control machine 501 exports and refers to The voltage for the corresponding function movement instruction that order and power work control machine 502 export and pulse, wherein corresponding function movement refer to The voltage of order and pulse are analog signal, to convey the electronic strut of simulation electrically operated gate real to functional movement control unit 504 When border executes the functional movement of corresponding function movement instruction, voltage value and pulse value on electronic strut, and in the present embodiment Test process be only simulation test, only need to be by the analog signal of voltage value and pulse value on the electronic strut for simulating electrically operated gate Feed back to functional movement control unit 504.
S803:According to shutdown movement instruction and its corresponding voltage and pulse, obtains electrically operated gate and execute movement institute of closing the door The run duration needed;
In the present embodiment, functional movement instruction and function of the functional movement control unit 504 received by it The corresponding voltage of movement instruction and pulse calculate electrically operated gate completion functional movement and instruct the movement needed for corresponding functional movement Time, by judging whether run duration is reasonable, whether to be in normal work shape after arbitration functions motion control unit 504 State.
S804:Judge run duration whether in predetermined movement time range;
In the present embodiment, by judging run duration whether in predetermined movement time range, to judge that simulation is electronic Whether the run duration that door executes functional movement is reasonable, to whether be in normal work after arbitration functions motion control unit 504 Make state, if run duration thens follow the steps S805 in predetermined movement time range, if run duration is not in predetermined movement Between in range, then send out prompt message, the functional movement control unit 504 of ECU circuit boards 503 prompted to be not in normal work shape State.
S805:Work control machine 501 is instructed to export locking movement instruction, and the corresponding locking fortune of the output of power work control machine 502 The voltage of dynamic instruction and pulse;
In the present embodiment, 501 output function movement instruction of instruction work control machine, and power work control machine 502 exports The voltage and pulse for instructing the functional movement instruction of 501 output of work control machine corresponding, simulation electrically operated gate connect in actual work The instruction for receiving functional movement, by the electronic strut of electrically operated gate voltage value and pulse value feed back, to judge that electrically operated gate is No to be in normal operating conditions, different functional movements instructs corresponding voltage and pulse also different.
S806:Functional movement control unit 504 receive locking movement instruction, and the corresponding voltage of locking movement instruction with And pulse;
In the present embodiment, functional movement control unit 504 receives the functional movement that instruction work control machine 501 exports and refers to The voltage for the corresponding function movement instruction that order and power work control machine 502 export and pulse, wherein corresponding function movement refer to The voltage of order and pulse are analog signal, to convey the electronic strut of simulation electrically operated gate real to functional movement control unit 504 When border executes the functional movement of corresponding function movement instruction, voltage value and pulse value on electronic strut, and in the present embodiment Test process be only simulation test, only need to be by the analog signal of voltage value and pulse value on the electronic strut for simulating electrically operated gate Feed back to functional movement control unit 504.
S807:According to locking movement instruction and its corresponding voltage and pulse, obtains electrically operated gate and execute locking movement institute The run duration needed;
In the present embodiment, functional movement instruction and function of the functional movement control unit 504 received by it The corresponding voltage of movement instruction and pulse calculate electrically operated gate completion functional movement and instruct the movement needed for corresponding functional movement Time, by judging whether run duration is reasonable, whether to be in normal work shape after arbitration functions motion control unit 504 State.
S808:Judge run duration whether in predetermined movement time range;
In the present embodiment, by judging run duration whether in predetermined movement time range, to judge that simulation is electronic Whether the run duration that door executes functional movement is reasonable, to whether be in normal work after arbitration functions motion control unit 504 Make state, if run duration thens follow the steps S809 in predetermined movement time range, if run duration is not in predetermined movement Between in range, then send out prompt message, the functional movement control unit 504 of ECU circuit boards 503 prompted to be not in normal work shape State.
S809:Decision-making function motion control unit 504 is in normal operating conditions;
In the present embodiment, if the electrically operated gate acquired in functional movement control unit 504 executes functional movement instruction and corresponds to Functional movement needed for run duration in predetermined movement time range, that is, functional movement control unit 504 is controlled The run duration that electrically operated gate completes functional movement is in zone of reasonableness, then functions motion control unit 504 controls electronic The function that door executes functional movement is in normal operating conditions, that is, functional movement control unit 504 is in normal work shape State.
In conclusion the electrically operated gate ECU test circuits of the present invention, by instructing work control machine and power work control machine point Do not coupled by circuit trace with ECU circuit boards, instruction work control machine to functional movement control unit output function movement instruction, The corresponding voltage of power work control machine output function movement instruction and pulse are moved according to functional movement instruction and binding function Instruct corresponding voltage and pulse, simulation, which calculates electrically operated gate and executes functional movement, instructs fortune needed for corresponding functional movement Whether the dynamic time is in normal operating conditions by judging whether run duration is reasonable with test function motion control unit, into And judge whether electrically operated gate ECU is in normal operating conditions.
The technical issues of whether electrically operated gate ECU is in normal operating conditions, this hair can not be detected to solve the prior art Bright to provide a kind of test circuit of electrically operated gate ECU, which includes instruction work control machine, ECU circuit boards, safe current test list Member and electronic load, ECU circuit boards include anti-obstacle motion control unit, and instruction work control machine passes through electricity with ECU circuit boards Road cabling coupling and ECU circuit boards, safe current test cell and electronic load pass sequentially through circuit trace series connection to be formed Circuit, to test whether anti-obstacle motion control unit is in normal operating conditions.It is described in detail below.
Referring to Fig. 9, Fig. 9 is the structural schematic diagram of the test circuit 3rd embodiment of electrically operated gate ECU of the present invention.
In the present embodiment, the test circuit 900 of electrically operated gate ECU include instruction work control machine 901, ECU circuit boards 902, Safe current test cell 903 and electronic load 904, ECU circuit boards 902 include anti-obstacle motion control unit 905, instruction Work control machine 901 is coupled by circuit trace 906 with ECU circuit boards 902 and ECU circuit boards 902, safe current test cell 903 and electronic load 904 pass sequentially through the series connection of circuit trace 906 to be formed into a loop, instruction work control machine 901 and electronic load 904 are coupled by usb bus 907, to test whether anti-obstacle motion control unit 905 is in normal operating conditions.
In the present embodiment, the test circuit 900 of electrically operated gate ECU further comprises safe voltage test cell 908, safety Voltage tester unit 908 is parallel to ECU circuit boards 902, safe current test cell 903 and electronic load 904 and is formed by Circuit, safe voltage test cell 908 coordinate with safe current test cell 903 to detect ECU circuit boards 902, safe current The power that test cell 903 and electronic load 904 are formed into a loop, by monitoring circuit power can more accurate measurements electricity The motion state of the electronic strut of dynamic door, avoids electrically operated gate from crushing user.
Optionally, since the electronic strut quantity of electrically operated gate in different automobile types and electrically operated gate type is inconsistent, this The test circuit 900 that embodiment is illustrated can be according to the vehicle and electrically operated gate type that ECU circuit boards 902 are adapted to, to electricity Each electronic strut of dynamic door be correspondingly arranged on safe current test cell 903 and safe voltage test cell 908 with The moving situation of electronic strut is tested, simulation ECU circuit boards coordinate each electronic strut of electrically operated gate and keep movement one in actual work The characteristic of cause.
Optionally, instruction work control machine 901 is coupled at least one circuit trace 906 with ECU circuit boards 902, to realize Instruct work control machine 901 to 905 output function movement instruction of anti-obstacle motion control unit, instruction work control machine 901 and ECU electricity It can be directed to the instruction of each functional movement between road plate 902 and be respectively arranged with a circuit trace 906, to distinguish different functions Movement instruction and the signal form of functional movement instruction, instructing certainly between work control machine 901 and ECU circuit boards 902 can be with It is only coupled with a circuit trace 906, is instructed by each functional movement and its corresponding unlike signal frequency of signal form etc. pair The instruction of each functional movement and its signal form are distinguish, the present embodiment with instruct work control machine 901 and ECU circuit boards 902 it Between can be directed to the instruction of each functional movement and be respectively arranged with a circuit trace 906 and be illustrated, only discuss and need, not Therefore the 906 coupling form of circuit trace between instruction work control machine 901 and ECU circuit boards 902 causes to limit.
Optionally, the circuit trace 906 coupled between instruction work control machine 901 and ECU circuit boards 902 passes through a control Switch 909 controls corresponding functional movement instruction input ECU circuit boards 902, by controlling the unlatching and interruption of switch 909, control System control 909 corresponding functional movement instruction input ECU circuit boards 902 of switch.
Optionally, functional movement instruction includes at least one of enabling movement instruction and shutdown movement instruction, is opened the door The enabling movement instruction and shutdown movement instruction that movement instruction and shutdown movement instruction are illustrated by above-described embodiment, herein Just repeat no more.
Fig. 9-10 is please referred to, Figure 10 is the flow diagram of one embodiment of test method of circuit shown in Fig. 9.
S1001:Instruct 901 output function movement instruction of work control machine;
In the present embodiment, instruction work control machine 901 is exported to the anti-obstacle motion control unit 905 of ECU circuit boards 902 Functional movement instructs, and can be enabling movement instruction or shutdown movement instruction, the corresponding anti-obstacle motion control unit of test 905 control electrically operated gates execute whether anti-obstacle function when opening the door movement and shutdown movement is in normal operating conditions, if ECU is electric The anti-obstacle motion control unit 905 of road plate 902 is not in normal operating conditions, then appears in electrically operated gate and open the door or closed the door Barrier is encountered in journey to continue to move, and causes to crush the situations such as user, therefore the present embodiment is illustrated by above-described embodiment Electrically operated gate ECU test circuits 900 with test ECU circuit boards 902 anti-obstacle motion control unit 905 whether be in normal work Make state.
S1002:It is instructed according to functional movement, safe current test cell 903 detects electronic load 904 and moved to anti-obstacle The intensity of 905 output load current of control unit;
In the present embodiment, the functional movement exported according to instruction work control machine 901 instructs, and electronic load 904 is to anti-barrier Hinder 905 output load current of motion control unit, the electronic strut to simulate electrically operated gate moves its current feedback to anti-obstacle Control unit 905, anti-obstacle motion control unit 905 control the electronic strut of electrically operated gate by the load current information fed back In current strength, while electronic load 904 is detected to anti-obstacle motion control unit by safe current test cell 903 The intensity of 905 output load currents, to detect the electronic strut whether anti-obstacle motion control unit 905 plays control electrically operated gate In current strength effect, i.e. whether anti-obstacle motion control unit 905 be in normal operating conditions.
S1003:Judge whether the intensity of load current is more than carrying current intensity;
In the present embodiment, if the intensity of load current is more than carrying current intensity, S1004 is thened follow the steps, if load The intensity of electric current is less than carrying current intensity, thens follow the steps S1006.
In the present embodiment, carrying current intensity can bear output most to provide the motor of electrically operated gate power in automobile High current intensity, if electronic load 904 is more than carrying current intensity to anti-905 output load current of obstacle motion control unit, Current strength namely in the electronic strut of electrically operated gate is more than the maximum current intensity that motor can bear, if kept currently Load current is constant, and electric motor of automobile may be damaged due to overload, when load current is more than carrying current intensity When, anti-obstacle motion control unit 905 should be immediately controlled electrically operated gate and be stopped, and electrically operated gate is made to enter dormant state, stop holding Row functional movement.
Optionally, carrying current intensity is determined according to the vehicle that ECU circuit boards 902 are adapted to, its electricity of the automobile of different automobile types The carrying current degree that machine can bear is not of uniform size, does not limit herein.
S1004:Judge whether anti-obstacle motion control unit 905 controls electrically operated gate and stop executing corresponding function movement instruction Functional movement;
In the present embodiment, if the intensity of load current is more than carrying current intensity, illustrate in the electronic strut of electrically operated gate Current strength is more than the maximum current intensity that motor can bear, if anti-obstacle motion control unit 905 is in normal work shape State can then control the functional movement that electrically operated gate stops executing corresponding function movement instruction, anti-into dormant state, that is, detection Whether obstacle motion control unit 905 exports a control signal, which provides power to close for electrically operated gate Motor into dormant state, therefore can lead to control the functional movement that electrically operated gate stops executing corresponding function movement instruction It crosses and judges whether anti-obstacle motion control unit 905 controls the functional movement that electrically operated gate stops executing corresponding function movement instruction, To judge whether anti-obstacle motion control unit 905 is in normal operating conditions.
If anti-obstacle motion control unit 905 controls the functional movement that electrically operated gate stops executing corresponding function movement instruction, S1005 is thened follow the steps, if anti-obstacle motion control unit 905 does not control electrically operated gate and stops executing corresponding function movement instruction Functional movement then exports prompt message, and the anti-obstacle motion control unit 905 of ECU circuit boards 902 is prompted to be not in normal work State.
S1005:Judge that anti-obstacle motion control unit 905 is in normal operating conditions;
In the present embodiment, after load current density oversteps the extreme limit current strength, anti-obstacle motion control unit 905 is defeated Go out control signal described above, illustrates that anti-obstacle motion control unit 905 executes control electrically operated gate and stops executing corresponding function The functional movement of movement instruction, makes it into the action of dormant state, then judges that anti-obstacle motion control unit 905 is in normal Working condition.
S1006:Work control machine 901 is instructed to control electronic load 904 using preset time as the period by usb bus 907, and And increase the intensity of load current using predetermined current threshold as amplitude;
In the present embodiment, instruction work control machine 901 is with preset time by the control electronic load 904 of usb bus 907 Period, and using predetermined current threshold as the intensity of amplitude increase load current, functional movement mistake is being executed to simulate electrically operated gate Cheng Zhong encounters barrier, is not stop motion immediately, but the electric current in the electronic strut of electrically operated gate beyond safe range it Afterwards, electrically operated gate stops executing functional movement, into dormant state.Therefore the present embodiment is by controlling electronic load 904 to preset Time is the period, and in the way of the intensity that predetermined current threshold increases load current as amplitude, and description electrically operated gate executes work( The variation situation of electric current in electronic strut after barrier can be encountered in motion process, and often increases the strong of load current Degree executes a step S1007.
Optionally, the increase action of load current density equally continues a delay duration, delay duration and delay duration Working characteristics be described in detail in the above-described embodiments, details are not described herein again.
Optionally, preset time and predetermined current threshold are that the vehicle being adapted to according to ECU circuit boards 902 is determined, It is intended to encounter the discrimination condition of barrier in accurate description electrically operated gate motion process, therefore preset time can with predetermined current threshold To take smaller value, to increase the current strength increase number that load current increases to safe current threshold value, current strength increases secondary The more and each increasing degree of number is lower, judges whether encounter the judging result of barrier just in electrically operated gate motion process It is more accurate.
S1007:Judge whether the intensity of load current is more than safe current threshold value;
In the present embodiment, if the intensity of load current is not more than safe current threshold value, step S1006 is continued to execute, If the intensity of load current is more than safe current threshold value, S1008 is thened follow the steps.
In the present embodiment, if the intensity of load current is less than safe current threshold value, illustrate the electricity under emulation mode Current strength is in safe range in the electronic strut of dynamic door, when load current density reaches safe current threshold value, anti-barrier Hinder motion control unit 905 then to judge that electrically operated gate encounters barrier during the motion, the electricity for continuing to increase electrically operated gate should be stopped Current strength in dynamic strut illustrates anti-obstacle if the load current that safety test unit is detected is more than safe current threshold value Motion control unit 905, which does not control electronic load 904, to be continued to increase load current, and anti-obstacle motion control unit 905 is not located In normal operating conditions.
S1008:Judge that anti-obstacle motion control unit 905 is not in normal operating conditions;
In the present embodiment, load current density reaches safe current threshold value, and anti-obstacle motion control unit 905 then judges Electrically operated gate encounters barrier during the motion, should stop current strength in the electronic strut for continuing to increase electrically operated gate, however pacify The load current that full test cell is detected is more than safe current threshold value, then illustrates that anti-obstacle motion control unit 905 is not controlled Electronic load 904 processed continues to increase load current, and anti-trouble shooting unit does not play the control increase load electricity of electronic load 904 The effect of intensity of flow, therefore, it is determined that anti-obstacle motion control unit 905 is not in normal operating conditions.
Above as can be seen that the electrically operated gate ECU test circuits of the present invention, logical with ECU circuit boards by instruction work control machine Oversampling circuit cabling couple and ECU circuit boards, safe current test cell and electronic load pass sequentially through circuit trace series connection with Forming circuit, instruction work control machine are coupled with electronic load by usb bus, by judging whether load current density is more than peace Whether total current threshold value stops when judging that anti-obstacle motion control unit encounters barrier in electrically operated gate motion process with simulation Electrically operated gate moves, and to test whether anti-obstacle motion control unit is in normal operating conditions, and then judges that electrically operated gate ECU is It is no to be in normal operating conditions.
The technical issues of whether electrically operated gate ECU is in normal operating conditions, this hair can not be detected to solve the prior art It is bright that a kind of test circuit of electrically operated gate ECU is provided, the circuit include instruction work control machine, power work control machine, ECU circuit boards, Safe current test cell and electronic load, ECU circuit boards include functional movement control unit and anti-obstacle motion control Unit instructs work control machine and power work control machine to be coupled respectively with ECU circuit boards, and ECU circuit boards and safe current Test cell and electronic load pass sequentially through circuit trace series connection to be formed into a loop, and instruction work control machine passes through with electronic load Usb bus couples, and whether normal operating conditions is in test function motion control unit and anti-obstacle motion control unit. It is described in detail below.
Please refer to Fig.1 the structural schematic diagram that 1, Figure 11 is the test circuit fourth embodiment of electrically operated gate ECU of the present invention.
In the present embodiment, the test circuit 1100 of electrically operated gate ECU includes instruction work control machine 1101, power work control machine 1102, ECU circuit boards 1103, safe current test cell 1104 and electronic load 1105, ECU circuit boards 1103 include function Motion control unit 1106 and anti-obstacle motion control unit 1107, instruction work control machine 1101 and power work control machine 1102 couple with ECU circuit boards 1103 respectively, and ECU circuit boards 1103 and safe current test cell 1104 and Electronic Negative It carries 1105 and passes sequentially through the series connection of circuit trace 1108 to be formed into a loop, instruction work control machine 1101 passes through with electronic load 1105 Whether usb bus 1109 couples, be in test function motion control unit 1106 and anti-obstacle motion control unit 1107 Normal operating conditions.
In the present embodiment, the test circuit 1100 of electrically operated gate ECU further comprises safe voltage test cell 1110, peace Full voltage test cell 1110 is parallel to 1105 institute of ECU circuit boards 1103, safe current test cell 1104 and electronic load The circuit of formation, safe voltage test cell 1110 and safe current test cell 1104 coordinate with detect ECU circuit boards 1103, The power that safe current test cell 1104 and electronic load 1105 are formed into a loop, can be more by monitoring circuit power The motion state of the electronic strut of accurate measurements electrically operated gate, avoids electrically operated gate from crushing user.
Optionally, instruction work control machine 1101 is coupled at least one circuit trace 1108 with ECU circuit boards 1103, with reality Now instruction work control machine 1101 is to 1107 output function movement instruction of anti-obstacle motion control unit, instruction work control machine 1101 with It can be directed to the instruction of each functional movement between ECU circuit boards 1103 and be respectively arranged with a circuit trace 1108, to distinguish not The signal form of same functional movement instruction and functional movement instruction, instructs work control machine 1101 and ECU circuit boards certainly It can only be coupled with a circuit trace 1108 between 1103, instructed by each functional movement and its corresponding difference of signal form Signal frequency etc. to each functional movement instruct and its signal form be distinguish, the present embodiment with instruct work control machine 1101 with A circuit trace 1108 can be respectively arranged between ECU circuit boards 1103 for the instruction of each functional movement to be illustrated, It only discusses and needs, not thereby the circuit trace 1108 between instruction work control machine 1101 and ECU circuit boards 1103 couples Form causes to limit.
Optionally, functional movement instruction includes at least one of enabling movement instruction and shutdown movement instruction, is opened the door The enabling movement instruction and shutdown movement instruction that movement instruction and shutdown movement instruction are illustrated by above-described embodiment, herein Just repeat no more.
Optionally, the circuit trace 1108 coupled between instruction work control machine 1101 and ECU circuit boards 1103 is by one Control switch 1111, control corresponding functional movement instruction input ECU circuit boards 1103, by control switch 1111 unlatching and It interrupts, control control 1111 corresponding functional movement instruction input ECU circuit boards 1103 of switch.
1-12 is please referred to Fig.1, Figure 12 is the flow diagram of one embodiment of test method of circuit shown in Figure 11.
S1201:1101 output function movement instruction of work control machine is instructed, and 1102 output function of power work control machine moves Instruct corresponding voltage and pulse;
In the present embodiment, 1101 output function movement instruction of instruction work control machine, and power work control machine 1102 is defeated Go out to instruct the voltage and pulse that the functional movement instruction that work control machine 1101 exports is corresponding, simulation electrically operated gate is in actual work The instruction for receiving functional movement, by the voltage value and pulse value feedback on the electronic strut of electrically operated gate, to judge electrically operated gate Whether normal operating conditions is in, and different functional movements instructs corresponding voltage and pulse also different.
S1202:1106 receive capabilities movement instruction of functional movement control unit and functional movement instruct corresponding voltage And pulse;
In the present embodiment, functional movement control unit 1106 receives the functional movement that instruction work control machine 1101 exports and refers to The voltage for the corresponding function movement instruction that order and power work control machine 1102 export and pulse, wherein corresponding function move The voltage of instruction and pulse are analog signal, to convey the electronic strut of simulation electrically operated gate to functional movement control unit 1106 When the practical functional movement for executing corresponding function movement instruction, voltage value and pulse value on electronic strut, and the present embodiment In test process be only simulation test, only need to by the electronic strut for simulating electrically operated gate voltage value and pulse value simulation believe Number feed back to functional movement control unit 1106.
S1203:Corresponding voltage and pulse are instructed according to functional movement instruction and functional movement, it is complete to obtain electrically operated gate At the run duration needed for the corresponding functional movement of function movement instruction;
In the present embodiment, functional movement instruction and function of the functional movement control unit 1106 received by it The corresponding voltage of movement instruction and pulse calculate electrically operated gate completion functional movement and instruct the movement needed for corresponding functional movement Time, by judging whether run duration is reasonable, whether to be in normal work shape after arbitration functions motion control unit 1106 State.
The voltage of 1102 exported corresponding function movement instruction of power work control machine determines that electrically operated gate executes corresponding function fortune The pulse of the speed of the functional movement of dynamic instruction, 1102 exported corresponding function movement instruction of power work control machine determines electrically operated gate The stroke for executing the functional movement of corresponding function movement instruction executes the functional movement of corresponding function movement instruction according to electrically operated gate Speed and stroke, obtain electrically operated gate execute the run duration needed for the functional movement.
S1204:Judge run duration whether in predetermined movement time range;
In the present embodiment, by judging run duration whether in predetermined movement time range, to judge that simulation is electronic Whether the run duration that door executes functional movement is reasonable, to whether be in normal work after arbitration functions motion control unit 1106 Make state, if run duration thens follow the steps S1205 in predetermined movement time range, if run duration is not in predetermined movement In time range, then prompt message is exported, the functional movement control unit 1106 of ECU circuit boards 1103 is prompted to be not in normal work Make state.
Optionally, predetermined movement time range can be 5s, 6s, 7s etc., and specially 5s~6s, 6s~7s etc. preset fortune Whether dynamic time range is reasonable to the run duration for describing electrically operated gate execution corresponding function movement, with arbitration functions motion control The working condition of unit 1106, predetermined movement time range can be according to the functional movement control units of ECU circuit boards 1103 1106 vehicles being adapted to and electrically operated gate type are set, and the different corresponding predetermined movement time models of functional movement It encloses and may be the same or different, the different corresponding predetermined movement time ranges of functional movement can be set as identical, lead to It crosses and changes the movement rate that electrically operated gate executes different function movement, when executing the movement of different function movement with unified electrically operated gate Between, or be different functional movement and correspond to different predetermined movement time ranges, different function movement is executed to electrically operated gate Run duration is compared with corresponding predetermined movement time range, to judge the reasonability of run duration, does not limit herein.
It should be noted that the test method that the present embodiment is illustrated assumes that the process that electrically operated gate executes functional movement is Regular movement, such as electrically operated gate executes the rate remained constant of functional movement or electrically operated gate executes functional movement Rate have measurable regularity, such as acceleration is kept constant, so that electrically operated gate executes the process conversion of functional movement For that can survey form, and not electrically operated gate in actual work, is artificially turned on and off electrically operated gate, and the characteristics of motion can not trace, from And the accuracy of measurement result is influenced, the voltage that the present embodiment is exported by controlling power work control machine 1102, to ensure electricity The functional movement process of dynamic door is regular movement.
S1205:Decision-making function motion control unit 1106 is in normal operating conditions;
In the present embodiment, if the electrically operated gate acquired in functional movement control unit 1106 executes functional movement instruction and corresponds to Functional movement needed for run duration in predetermined movement time range, that is, functional movement control unit 1106 is controlled The run duration that electrically operated gate completes functional movement is in zone of reasonableness, then functions motion control unit 1106 controls electronic The function that door executes functional movement is in normal operating conditions, that is, functional movement control unit 1106 is in normal work shape State.
S1206:It is instructed according to functional movement, safe current test cell 1104 detects electronic load 1105 and transported to anti-obstacle The intensity of 1107 output load current of dynamic control unit;
In the present embodiment, the functional movement exported according to instruction work control machine 1101 instructs, and electronic load 1105 is to anti- 1107 output load current of obstacle motion control unit, the electronic strut to simulate electrically operated gate transport its current feedback to anti-obstacle Dynamic control unit 1107, anti-obstacle motion control unit 1107 control the electronic of electrically operated gate by the load current information fed back Current strength in strut, while electronic load 1105 is detected to anti-obstacle motion control by safe current test cell 1104 The intensity of 1107 output load current of unit, to detect the electricity whether anti-obstacle motion control unit 1107 plays control electrically operated gate Whether the effect of the current strength in dynamic strut, i.e. anti-obstacle motion control unit 1107 are in normal operating conditions.
S1207:Judge whether the intensity of load current is more than carrying current intensity;
In the present embodiment, if the intensity of load current is more than carrying current intensity, S1208 is thened follow the steps, if load The intensity of electric current is less than carrying current intensity, thens follow the steps S1210.
In the present embodiment, carrying current intensity can bear output most to provide the motor of electrically operated gate power in automobile High current intensity, if electronic load 1105 is strong more than carrying current to anti-1107 output load current of obstacle motion control unit It spends, that is, the current strength in the electronic strut of electrically operated gate is more than the maximum current intensity that motor can bear, if keeping working as Preceding load current is constant, and electric motor of automobile may be damaged due to overload, when load current is more than carrying current When intensity, anti-obstacle motion control unit 1107 should be immediately controlled electrically operated gate and be stopped, and so that electrically operated gate is entered dormant state, stop Only execute functional movement.
Optionally, carrying current intensity is determined according to the vehicle that ECU circuit boards 1103 are adapted to, its electricity of the automobile of different automobile types The carrying current degree that machine can bear is not of uniform size, does not limit herein.
S1208:Judge whether anti-obstacle motion control unit 1107 controls electrically operated gate and stop executing corresponding function and moving referring to The functional movement of order;
In the present embodiment, if the intensity of load current is more than carrying current intensity, illustrate in the electronic strut of electrically operated gate Current strength is more than the maximum current intensity that motor can bear, if anti-obstacle motion control unit 1107 is in normal work shape State can then control the functional movement that electrically operated gate stops executing corresponding function movement instruction, anti-into dormant state, that is, detection Whether obstacle motion control unit 1107 exports a control signal, which provides power to close for electrically operated gate Motor into dormant state, therefore can lead to control the functional movement that electrically operated gate stops executing corresponding function movement instruction It crosses and judges whether anti-obstacle motion control unit 1107 controls the functional movement that electrically operated gate stops executing corresponding function movement instruction, To judge whether anti-obstacle motion control unit 1107 is in normal operating conditions.
If anti-obstacle motion control unit 1107 controls the functional movement that electrically operated gate stops executing corresponding function movement instruction, S1209 is thened follow the steps, if anti-obstacle motion control unit 1107 does not control electrically operated gate and stops executing corresponding function movement instruction Functional movement, then export prompt message, the anti-obstacle motion control unit 1107 of ECU circuit boards 1103 prompted to be not in normally Working condition.
S1209:Judge that anti-obstacle motion control unit 1107 is in normal operating conditions;
In the present embodiment, after load current density oversteps the extreme limit current strength, anti-obstacle motion control unit 1107 Control signal described above is exported, illustrates that anti-obstacle motion control unit 1107 executes control electrically operated gate and stops executing corresponding work( The functional movement of energy movement instruction, makes it into the action of dormant state, then judges that anti-obstacle motion control unit 1107 is in Normal operating conditions.
S1210:It is week to instruct work control machine 1101 to control electronic load 1105 by usb bus 1109 with preset time Phase, and using predetermined current threshold as the intensity of amplitude increase load current;
In the present embodiment, when instruction work control machine 1101 controls electronic load 1105 to preset by usb bus 1109 Between be the period, and using predetermined current threshold be amplitude increase load current intensity, with simulate electrically operated gate execute function transport During dynamic, barrier is encountered, is not stop motion immediately, but the electric current in the electronic strut of electrically operated gate exceeds safe model After enclosing, electrically operated gate stops executing functional movement, into dormant state.Therefore the present embodiment by control electronic load 1105 with Preset time is the period, and in the way of the intensity that predetermined current threshold increases load current as amplitude, and description electrically operated gate is held The variation situation of electric current in electronic strut after barrier is encountered during row functional movement, and often increases load current Intensity executes a step S1211.
Optionally, the increase action of load current density equally continues a delay duration, delay duration and delay duration Working characteristics be described in detail in the above-described embodiments, details are not described herein again.
Optionally, preset time and predetermined current threshold are that the vehicle being adapted to according to ECU circuit boards 1103 is determined, It is intended to encounter the discrimination condition of barrier in accurate description electrically operated gate motion process, therefore preset time can with predetermined current threshold To take smaller value, to increase the current strength increase number that load current increases to safe current threshold value, current strength increases secondary The more and each increasing degree of number is lower, judges whether encounter the judging result of barrier just in electrically operated gate motion process It is more accurate.
S1211:Judge whether the intensity of load current is more than safe current threshold value;
In the present embodiment, if the intensity of load current is not more than safe current threshold value, step S1210 is continued to execute, If the intensity of load current is more than safe current threshold value, S1212 is thened follow the steps.
In the present embodiment, if the intensity of load current is less than safe current threshold value, illustrate the electricity under emulation mode Current strength is in safe range in the electronic strut of dynamic door, when load current density reaches safe current threshold value, anti-barrier Hinder motion control unit 1107 then to judge that electrically operated gate encounters barrier during the motion, the electricity for continuing to increase electrically operated gate should be stopped Current strength in dynamic strut illustrates anti-obstacle if the load current that safety test unit is detected is more than safe current threshold value Motion control unit 1107, which does not control electronic load 1105, to be continued to increase load current, and anti-obstacle motion control unit 1107 is not In normal operating conditions.
S1212:Judge that anti-obstacle motion control unit 1107 is not in normal operating conditions;
In the present embodiment, load current density reaches safe current threshold value, and anti-obstacle motion control unit 1107 is then sentenced Determine electrically operated gate and encounter barrier during the motion, current strength in the electronic strut for continuing to increase electrically operated gate should be stopped, however The load current that safety test unit is detected is more than safe current threshold value, then illustrates anti-obstacle motion control unit 1107 not Control electronic load 1105 continues to increase load current, and it is negative that anti-trouble shooting unit does not play the control increase of electronic load 1105 The effect for carrying current strength, therefore, it is determined that anti-obstacle motion control unit 1107 is not in normal operating conditions.
Above as can be seen that the electrically operated gate test circuit of the present invention, passes through instruction work control machine and power work control machine It is coupled respectively with ECU circuit boards, and ECU circuit boards pass sequentially through circuit with safe current test cell and electronic load and walk Line is connected to be formed into a loop, and instruction work control machine is coupled with electronic load by usb bus, is instructed and is combined according to functional movement Functional movement instructs corresponding voltage and pulse, simulation to calculate electrically operated gate and execute the corresponding functional movement of functional movement instruction Whether required run duration is in normal work by judging whether run duration is reasonable with test function motion control unit Make state, and by judging whether load current density is more than safe current threshold value, anti-obstacle motion control is judged with simulation Whether electrically operated gate movement is stopped when unit encounters barrier in electrically operated gate motion process, to test function motion control unit And whether anti-obstacle motion control unit is in normal operating conditions, and then judge electrically operated gate ECU whether in normal work State.
Please refer to Fig.1 the structural schematic diagram that 3, Figure 13 is one embodiment of test equipment of electrically operated gate ECU of the present invention.
In the present embodiment, the test equipment 1300 of electrically operated gate ECU includes dormant state control unit test circuit 1301, The dormant state for testing electrically operated gate ECU that the dormant state control unit test circuit 1301 is illustrated by above-described embodiment Whether control unit is in the test circuit of normal operating conditions, which includes test power supply, quiescent current test list Member and ECU circuit boards, test power supply, quiescent current test cell and ECU circuit boards by circuit trace be sequentially connected in series with Whether forming circuit, the dormant state control unit to test ECU circuit boards are in normal operating conditions.Its work test philosophy It elaborates in the above-described embodiments, details are not described herein again.
The test equipment 1300 of electrically operated gate ECU further comprises functional movement control unit test circuit 1302, the function Motion control unit test circuit 1302 is controlled single by the functional movement for testing electrically operated gate ECU that above-described embodiment illustrates Whether member is in the test circuit of normal operating conditions, the test circuit include instruction work control machine, power work control machine and ECU circuit boards, ECU circuit boards include functional movement control unit, instruct work control machine and power work control machine respectively with ECU Circuit board is coupled by circuit trace, and instruction work control machine is used to, to functional movement control unit output function movement instruction, move Whether power work control machine is used for the corresponding voltage of output function movement instruction and pulse, located with test function motion control unit In normal operating conditions.Its work test philosophy elaborates in the above-described embodiments, and details are not described herein again.
The test equipment 1300 of electrically operated gate ECU further comprises anti-obstacle motion control unit test circuit 1303, this is anti- Obstacle motion control unit test circuit 1303 is moved by the anti-obstacle for testing electrically operated gate ECU that above-described embodiment illustrates Whether control unit is in the test circuit of normal operating conditions, the test circuit include instruction work control machine, ECU circuit boards, Safe current test cell and electronic load, ECU circuit boards include anti-obstacle motion control unit, instruction work control machine with ECU circuit boards are coupled by circuit trace and ECU circuit boards, safe current test cell and electronic load pass sequentially through electricity To be formed into a loop, instruction work control machine is coupled with electronic load by usb bus for road cabling series connection, to test anti-obstacle movement control Whether unit processed is in normal operating conditions.Its work test philosophy elaborates in the above-described embodiments, herein just no longer It repeats.
The test equipment 1300 of electrically operated gate ECU further comprises functional movement control unit and anti-obstacle motion control unit Joint test circuit 1304, the functional movement control unit are upper with anti-obstacle motion control unit joint test circuit 13004 State whether the functional movement control unit for testing electrically operated gate ECU that embodiment is illustrated is located with anti-obstacle motion control unit In the test circuit of normal operating conditions, which includes instruction work control machine, power work control machine, ECU circuit boards, peace Total current test cell and electronic load, ECU circuit boards include functional movement control unit and anti-obstacle motion control list Member instructs work control machine and power work control machine to be coupled respectively with ECU circuit boards, and ECU circuit boards are surveyed with safe current Examination unit and electronic load pass sequentially through circuit trace series connection to be formed into a loop, and instruction work control machine passes through with electronic load Usb bus couples, and whether normal operating conditions is in test function motion control unit and anti-obstacle motion control unit. Its work test philosophy elaborates in the above-described embodiments, and details are not described herein again.
The concrete structure schematic diagram of above each test circuit shows and is accompanied by detailed description in the above-described embodiments, It is just repeated no more in the present embodiment.
The test equipment 1300 of electrically operated gate ECU further comprises ECU toolings displacement structure 1305, which places knot Structure 1305 is for placing ECU circuit boards, and to realize being electrically connected for ECU circuit boards and test equipment 1300, i.e., ECU toolings, which are placed, ties Structure 1305 is electrically connected with above-mentioned each test circuit, and then tests dormant state control unit, the functional movement of ECU circuit boards Whether control unit, anti-obstacle motion control unit are in normal operating conditions.
It includes ECU circuits sheet tray 1401, to plug 1402, cylinder to please refer to Fig.1 4, ECU toolings displacement structure 1305 1403 and grating 1404, ECU circuits sheet tray 1401 is for carrying ECU circuit boards, to fix ECU circuit boards in ECU toolings Position in displacement structure 1305 avoids its movement that test result is caused to lose accuracy;ECU circuits are set to plug 1402 The wherein one side edge of sheet tray 1401 is inserted into ECU circuit boards, to realize ECU circuit boards and test equipment 1300 to plug 1402 Electrical connection;Cylinder 1403 is arranged with to 1402 face of plug, is reliably connected with to plug 1402 with holding ECU circuit boards, together When further fix position of the ECU circuit boards in ECU toolings displacement structure 1305;The face direction of grating 1404 is perpendicular to gas Cylinder 1403 and the face direction to plug 1402, i.e., the light direction of propagation of grating 1404 is perpendicular to cylinder 1403 and to plug 1402 face direction, and grating 1404 propagates light to close to ECU circuit boards direction, to detect whether to ECU circuits Plate carries out placement or unloading operation, and plan-position height is higher than ECU circuit boards in ECU tooling displacement structures residing for grating 1404 Residing plan-position in 1305, when artificially carrying out the placement of ECU circuit boards or unloading operation, grating 1404 can be blocked, to Judge to carry out placement or unloading operation to ECU circuit boards.
The test equipment 1300 of electrically operated gate ECU further comprises warning device 1306, and warning device 1306 is for testing Equipment 1300 carries out the test job of each control unit of ECU circuit boards, when the control unit of ECU circuit boards is not in normal work When making state, warning device 1306 sends out prompt message, to prompt the corresponding control unit of ECU circuit boards to be not in normal work State.
The test equipment 1300 that the present embodiment is illustrated is adapted to according to the ECU circuit boards in ECU tooling displacement structures Vehicle downloads the test program of corresponding ECU circuit boards by the programming program of work control machine STM32F, with to ECU circuits automatically The corresponding control unit of plate carries out test job, and the control unit that the ECU circuit boards of different automobile types have is different, and function The signal form of movement instruction also differs, and the test program of corresponding ECU circuit boards is downloaded by programming program, and selection corresponds to Control unit test circuit, and determine the signal form kind of the corresponding functional movement instruction of ECU circuit boards each control units Class carries out corresponding test job, and can test out the program that ECU circuit boards are loaded be adapted to ECU circuit boards adaptation Automotive type, and requirement can be met, and test equipment 1300 can show the parameter setting interface of its test process, The required call parameter of test job check it is either artificial default, such as above-described embodiment illustrated delay when Length, predetermined movement time, safe current threshold value etc. are artificially preset, and the call parameter needed for certain test job also can basis The vehicle of ECU circuit boards adaptation automatically selects corresponding parameter, can together be downloaded by programming program, last test equipment 1300 are shown ECU circuit board testing results, tester can be intuitive obtain each control unit institutes of ECU circuit boards The working condition at place, so that tester takes corresponding measure to be not in normal operating conditions to correct ECU circuit boards Part.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other Technical field is included within the scope of the present invention.

Claims (10)

1. a kind of test circuit of electrically operated gate ECU, which is characterized in that the circuit includes:Instruct work control machine, power industry control system Machine, ECU circuit boards, safe current test cell and electronic load, the ECU circuit boards include functional movement control unit with And anti-obstacle motion control unit;
Described instruction work control machine and the power work control machine are coupled with the ECU circuit boards respectively, and ECU electricity Road plate passes sequentially through circuit trace with the safe current test cell and the electronic load and connects to be formed into a loop, described Instruction work control machine is coupled with the electronic load by usb bus, to test the functional movement control unit and described Whether anti-obstacle motion control unit is in normal operating conditions.
2. circuit according to claim 1, which is characterized in that the circuit further comprises safe voltage test cell, The safe voltage test cell is parallel to the ECU circuit boards, the safe current test cell and the electronic load It is formed by circuit, the safe voltage test cell coordinates with the safe current test cell to detect the ECU circuits The power that plate, the safe current test cell and the electronic load are formed into a loop.
3. circuit according to claim 1, which is characterized in that described instruction work control machine is coupled with the ECU circuit boards There is at least one circuit trace, to realize that described instruction work control machine is moved to the anti-obstacle motion control unit output function Instruction.
4. circuit according to claim 3, which is characterized in that functional movement instruction include enabling movement instruction and At least one of shutdown movement instruction.
5. a kind of electrically operated gate ECU test methods based on Claims 1 to 4 any one of them electrically operated gate ECU test circuits, It is characterized in that, the method includes:
Described instruction work control machine exports the functional movement instruction, and the power work control machine exports the functional movement and refers to Enable corresponding voltage and pulse;
The functional movement control unit receives the functional movement instruction and the functional movement instruct corresponding voltage with And pulse;
Corresponding voltage and pulse are instructed according to functional movement instruction and the functional movement, electrically operated gate is obtained and completes The functional movement instructs the run duration needed for corresponding functional movement;
The run duration is judged whether in predetermined movement time range, if the run duration is in the predetermined movement time In range, then judge that the functional movement control unit is in normal operating conditions;And
It is instructed according to the functional movement, the safe current test cell detects the electronic load and moved to the anti-obstacle The intensity of control unit output load current, described instruction work control machine by the usb bus control the electronic load with Preset time is the period, and increases the intensity of the load current using predetermined current threshold as amplitude;
Judge whether the intensity of the load current is more than the safe current threshold value, if so, the judgement anti-obstacle movement Control unit is not in normal operating conditions.
6. according to the method described in claim 5, it is characterized in that,
It is described that corresponding voltage and pulse are instructed according to functional movement instruction and the functional movement, obtain electrically operated gate The step of functional movement instructs the run duration needed for corresponding functional movement is completed to specifically include:
The functional movement instructs corresponding voltage to determine that electrically operated gate executes the functional movement and instructs corresponding functional movement Speed, the functional movement instruct corresponding pulse to determine that electrically operated gate executes the functional movement and instructs corresponding functional movement Stroke executes the speed and stroke of the functional movement instruction corresponding function movement according to electrically operated gate, obtains electrically operated gate and complete The functional movement instructs the run duration needed for corresponding functional movement;And
Described to be instructed according to the functional movement, the safe current test cell detects the electronic load to the anti-obstacle Include after the step of intensity of motion control unit output load current:
Judge whether the intensity of the load current is more than carrying current intensity, if so, judging the anti-obstacle motion control Whether unit controls the functional movement that electrically operated gate stops executing the corresponding functional movement instruction, if so, the judgement anti-barrier Motion control unit is hindered to be in normal operating conditions.
7. a kind of test equipment of electrically operated gate ECU, which is characterized in that the equipment includes as described in any one of Claims 1 to 4 Electrically operated gate ECU test circuits and ECU tooling displacement structures, the ECU toolings displacement structure is for placing the ECU circuits Plate to realize being electrically connected for the ECU circuit boards and the equipment, and then tests the functional movement control of the ECU circuit boards Whether unit and anti-obstacle motion control unit are in normal operating conditions.
8. equipment according to claim 7, which is characterized in that the equipment further comprises that dormant state control unit is surveyed Circuit is tried, the dormant state control unit test circuit includes test power supply, quiescent current test cell and ECU electricity Road plate, the test power supply, the quiescent current test cell and the ECU circuit boards by circuit trace be sequentially connected in series with Whether forming circuit, the dormant state control unit to test the ECU circuit boards are in normal operating conditions.
9. equipment according to claim 7, which is characterized in that the equipment further comprises anti-obstacle motion control unit Test circuit, the anti-obstacle motion control unit test circuit include described instruction work control machine, the ECU circuit boards, institute Safe current test cell and the electronic load are stated, the ECU circuit boards include anti-obstacle motion control unit, the finger Work control machine is enabled to be tested by circuit trace coupling and the ECU circuit boards, the safe current with the ECU circuit boards single The first and described electronic load passes sequentially through circuit trace and connects to be formed into a loop, described instruction work control machine and the Electronic Negative It carries and is coupled by usb bus, to test whether the anti-obstacle motion control unit is in normal operating conditions.
10. equipment according to claim 7, which is characterized in that the equipment further comprises functional movement control unit Test circuit, the functional movement control unit test circuit include described instruction work control machine, the power work control machine with And the ECU circuit boards, the ECU circuit boards include functional movement control unit, described instruction work control machine and described dynamic Power work control machine is coupled with the ECU circuit boards by circuit trace respectively, and described instruction work control machine is used for the function Motion control unit output function movement instruction, the power work control machine instruct corresponding electricity for exporting the functional movement Pressure and pulse, to test whether the functional movement control unit is in normal operating conditions.
CN201810013341.0A 2018-01-03 2018-01-03 Test circuit, test method and test equipment of electric door ECU Active CN108303966B (en)

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Publication number Priority date Publication date Assignee Title
JP2006238681A (en) * 2005-01-26 2006-09-07 Toyota Motor Corp Testing system of device for driving loads and control method therefor
CN102156459A (en) * 2011-01-18 2011-08-17 同济大学 Simulation loading device for whole-vehicle controller
CN102360212A (en) * 2011-08-18 2012-02-22 哈尔滨工业大学 Automobile body control function automatic test apparatus and method thereof
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