CN113686560A - Durability test method, device, equipment and storage medium for bridge module - Google Patents
Durability test method, device, equipment and storage medium for bridge module Download PDFInfo
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- CN113686560A CN113686560A CN202110947365.5A CN202110947365A CN113686560A CN 113686560 A CN113686560 A CN 113686560A CN 202110947365 A CN202110947365 A CN 202110947365A CN 113686560 A CN113686560 A CN 113686560A
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The invention belongs to the technical field of anti-lock brake devices, and discloses a durability test method, a durability test device, durability test equipment and a durability test storage medium for a bridge module, wherein the method comprises the following steps: inputting test parameters; controlling to open an exhaust cycle test; controlling to open an inflation cycle test; controlling to open a step voltage boosting and reducing test; controlling to open a drive antiskid test; the cycle number of the exhaust test, the cycle number of the inflation test, the cycle number of the depressurization test and the cycle number of the drive anti-skid test are all reset, and the total test frequency is added with 1; and if the total test preset times are reached, stopping the test and recording the test result. The test device can perform the exhaust cycle test, the charging cycle test, the step boosting and pressure reducing test and the driving antiskid test for preset times, and complete the test when the total cycle times reach the preset times, and can realize the test of the bridge module of the anti-lock brake device in a relay valve durable part, an ABS durable part and an ASR durable part.
Description
Technical Field
The invention relates to the technical field of anti-lock brake devices, in particular to a durability testing method, a durability testing device, durability testing equipment and a durability testing storage medium for a bridge module.
Background
With the increasing requirements of commercial vehicles on safety, high reliability and low cost, large host plants are developing towards high integration and intellectualization. The rear axle brake related valves of the commercial vehicle are increased in variety, and a bridge module assembly integrating an ABS function, a relay valve function and an ASR function is derived, so that pipelines connected with the valves with independent functions are reduced, the space required by the arrangement of the whole vehicle is reduced, and the cost of the whole vehicle is greatly reduced.
However, as the functions of the integrated valve are increased, the reliability verification method is more difficult. No corresponding industry standard exists in the current industry, and no test scheme or method aiming at a relay valve durable part, an ABS durable part and an ASR durable part of a bridge module of an anti-lock brake device exists.
Disclosure of Invention
The invention aims to provide a method, a device, equipment and a storage medium for testing the durability of a bridge module, which aim to solve the problems of a test scheme and a test method of the bridge module of an anti-lock brake device in a relay valve durable part, an ABS durable part and an ASR durable part.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, a method for testing durability of a bridge module includes the steps of:
inputting test parameters;
controlling to open an exhaust cycle test;
judging whether the exhaust test cycle number of the exhaust cycle test reaches the preset exhaust test cycle number or not;
if the preset cycle times of the exhaust test are reached, controlling to open an inflation cycle test;
judging whether the inflation test cycle number of the inflation cycle test reaches the preset inflation test cycle number or not;
if the preset cycle times of the inflation test are reached, controlling to open a step pressure-increasing and pressure-reducing test;
judging whether the cycle number of the step voltage boosting and reducing test reaches the preset cycle number of the step voltage increasing and reducing test;
if the preset cycle times of the pressure reduction test are reached, controlling to open the drive anti-skid test;
judging whether the cycle number of the drive anti-skid test reaches a preset cycle number of the drive anti-skid test;
if the preset cycle number of the drive anti-skid test is reached, resetting the exhaust test cycle number, the inflation test cycle number, the depressurization test cycle number and the drive anti-skid test cycle number, and adding 1 to the total test number;
judging whether the total test times reach the total test preset times or not;
if the total test preset times are reached, stopping testing, and recording a test result;
and if the total test preset times are not reached, returning to the step for controlling the opening of the exhaust circulation test.
Preferably, the step of controlling the open exhaust cycle test comprises:
controlling a first electromagnetic valve to intake air at a first air pressure for a first time period;
inputting a first air pressure value of a first pressure transmitter and a second pressure transmitter;
judging whether the first air pressure value is in a first preset range or not;
if the air pressure is within the first preset range, controlling the first electromagnetic valve to exhaust for a second time period;
accumulating the exhaust test cycle times for 1 time;
wherein, the step of judging whether the cycle number of the exhaust test of the exhaust cycle test reaches the preset cycle number of the exhaust test further comprises:
and if the exhaust test cycle number does not reach the exhaust test preset cycle number, returning to the step to control the first electromagnetic valve to intake air at the first air pressure for the first time.
Preferably, the step of controlling the open inflation cycle test comprises:
controlling a second electromagnetic valve to intake air at a second air pressure for a third time period;
inputting a second air pressure value of the first pressure transmitter and the second pressure transmitter;
judging whether the second air pressure value is in a second preset range or not;
if the air pressure is within the second preset range, controlling the second electromagnetic valve to exhaust for a second time period;
the number of inflation test cycles is accumulated for 1 time;
wherein, the step of judging whether the inflation test cycle number of the inflation cycle test reaches the preset inflation test cycle number further comprises:
and if the inflation test cycle times do not reach the inflation test preset cycle times, returning to the step to control the second electromagnetic valve to intake air at the second air pressure for a third time.
Preferably, the step of controlling to open the step-up step-down test comprises:
controlling to open the ABS electromagnetic valve to perform step boosting;
obtaining a third air pressure value of the first pressure transmitter and the second pressure transmitter;
controlling to open the ABS electromagnetic valve to perform step pressure reduction;
obtaining a fourth air pressure value of the first pressure transmitter and the second pressure transmitter;
obtaining a boosting curve and a reducing curve according to the third air pressure value and the fourth air pressure value;
judging whether the boosting curve and the reducing curve are normal or not;
if the test is normal, adding 1 to the cumulative cycle number of the depressurization test;
wherein the step of judging whether the cycle number of the step-voltage boosting and step-down test reaches the preset cycle number of the step-voltage boosting and step-down test further comprises:
and if the cycle number of the depressurization test does not reach the preset cycle number of the depressurization test, returning to the step to control to open the ABS electromagnetic valve for step boosting.
Preferably, the step of controlling the opening drive anti-skid test comprises:
controlling to open the ASR electromagnetic valve;
acquiring a fifth air pressure value of the first pressure transmitter and the second pressure transmitter;
judging whether the fifth air pressure value is within a third preset range or not;
if the driving anti-skid test cycle number is within the third preset range, adding 1 to the accumulation of the driving anti-skid test cycle number;
wherein, the step of judging whether the cycle number of the drive anti-skid test reaches the preset cycle number of the drive anti-skid test further comprises:
and if the driving antiskid test cycle times do not reach the driving antiskid test preset cycle times, returning to the step to control the opening of the ASR electromagnetic valve.
Preferably, if the first air pressure value is not within the first preset range, the second air pressure value is not within the second preset range, the pressure-increasing curve and the pressure-decreasing curve are not normal, and the fifth air pressure value is not within the third preset range, the steps are all performed:
and stopping testing and recording the testing result.
Preferably, the ratio of the preset cycle number of the inflation test to the preset cycle number of the exhaust test ranges from 1:5 to 1: 7;
the ratio of the preset cycle times of the inflation test to the preset cycle times of the depressurization test ranges from 1:2 to 1: 4;
the ratio of the preset cycle number of the inflation test to the preset cycle number of the driving antiskid test ranges from 1:1 to 1: 3.
In a second aspect, a durability testing apparatus of a bridge module includes:
the test parameter input module is used for inputting test parameters;
the exhaust circulation testing module is used for controlling the opening of the exhaust circulation test;
the exhaust test cycle number judging module is used for judging whether the exhaust test cycle number of the exhaust cycle test reaches the preset exhaust test cycle number or not;
the inflation cycle testing module is used for controlling the inflation cycle testing to be started if the preset cycle times of the exhaust testing are reached;
the inflation test cycle number judging module is used for judging whether the inflation test cycle number of the inflation cycle test reaches the inflation test preset cycle number or not;
the step voltage boosting and reducing test module is used for controlling to open the step voltage boosting and reducing test if the preset cycle times of the inflation test are reached;
the step-down test cycle number judging module is used for judging whether the step-down test cycle number of the step-up step-down test reaches the preset step-down test cycle number;
the driving anti-skid test module is used for controlling to open the driving anti-skid test if the preset cycle times of the step-down test are reached;
the drive anti-skid test cycle number judging module is used for judging whether the drive anti-skid test cycle number of the drive anti-skid test reaches the drive anti-skid test preset cycle number or not;
the frequency processing module is used for resetting the preset cycle frequency of the exhaust test, the preset cycle frequency of the inflation test, the cycle frequency of the depressurization test and the cycle frequency of the drive anti-skid test if the preset cycle frequency of the drive anti-skid test is reached, and adding 1 to the total test frequency;
the total test frequency judging module is used for judging whether the total test frequency reaches the total test preset frequency or not;
the test result recording module is used for stopping the test and recording the test result if the total test preset times are reached; and if the total test preset times are not reached, returning to the step for controlling the opening of the exhaust circulation test.
In a third aspect, an apparatus comprises a memory, a processor, and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the endurance testing method for a bridge module described above when executing the program.
In a fourth aspect, a computer readable storage medium stores computer instructions that cause the computer to perform the steps of the durability testing method of a bridge module described above.
The invention has the beneficial effects that:
the durability test method of the bridge module can perform the exhaust cycle test, the inflation cycle test, the step boosting and pressure reducing test and the driving antiskid test for the preset times, and complete the test when the total cycle times reach the preset times, and can realize the test of the bridge module of the anti-lock brake device on the relay valve durable part, the ABS durable part and the ASR durable part.
The durability test device of the bridge module can perform the exhaust cycle test, the inflation cycle test, the step boosting and pressure reducing test and the driving antiskid test for the preset times, and complete the test when the total cycle times reach the preset times, and can realize the test of the bridge module of the anti-lock brake device on a relay valve durable part, an ABS durable part and an ASR durable part.
The device can perform the exhaust cycle test, the inflation cycle test, the step boosting and pressure reducing test and the driving antiskid test for the preset times, and complete the tests when the total cycle times reach the preset times, and can realize the tests of the bridge module of the anti-lock brake device on a relay valve durable part, an ABS durable part and an ASR durable part.
The computer readable storage medium is capable of performing a predetermined number of exhaust cycle tests, a predetermined number of inflation cycle tests, a step-up step-down test, and a drive slip test, and performing tests completed when the total number of cycles reaches the predetermined number, and is capable of performing tests of the bridge module of the antilock brake device at a relay valve durable portion, an ABS durable portion, and an ASR durable portion.
Drawings
FIG. 1 is a schematic illustration of a durability test of a bridge module of an embodiment of the present application;
fig. 2 is a schematic flowchart of a durability testing method of a bridge module according to an embodiment of the present application.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
In a first aspect, the present invention provides a method for testing the durability of a bridge module, the method being based on a testing system. As shown in fig. 1, the system includes a PLC touch panel 1, a PLC controller 2, a power amplification module 3, a PLC analog quantity module 4, a first pressure regulating valve 5, a second pressure regulating valve 6, a first electromagnetic valve 7 (a three-position five-way electromagnetic valve), a second electromagnetic valve 8 (a three-position five-way electromagnetic valve), a first pressure transmitter 91, a second pressure transmission 92, a first brake air chamber 10, a second brake air chamber 11, a bridge module 12 (to be tested), an air reservoir 13(40L capacity), a third pressure regulating valve 14, and an air source 15.
The ABS bridge module 12 is provided with an ASR socket, a control port, a second air outlet, a first air inlet, a first air outlet, a first ABS socket, a second ABS socket and a third air outlet.
The air source 15 supplies air to the air storage cylinder 13 through the third pressure regulating valve 14, the air storage cylinder 13 supplies air to the first pressure regulating valve 5, the second pressure regulating valve 6 and the ABS bridge module 12 respectively, the air is supplied to the first electromagnetic valve 7 after being subjected to pressure reduction through the first pressure regulating valve 5, the air is supplied to the second electromagnetic valve 8 after being subjected to pressure reduction through the second pressure regulating valve 6, and the air is supplied to the control port of the ABS bridge module 12 through the first pressure regulating valve 5 and the second pressure regulating valve 6 simultaneously.
The first air outlet of the ABS bridge module 12 is communicated with the second brake air chamber 11 to be connected, the second air outlet of the ABS bridge module 12 is communicated with the first brake air chamber 10, the pressure transmitter 91 is communicated with the first brake air chamber 10, and the second pressure transmission 92 is communicated with the second brake air chamber 11 to detect pressure signals and transmit the signals to the PLC analog quantity module 4.
As shown in fig. 2, the method comprises the steps of:
and S100, inputting test parameters.
It should be noted that the test parameters include air pressure, duration, time parameters, etc. required by the subsequent steps.
Step S200 is performed after step S100, and the open exhaust cycle test is controlled.
Specifically, step S200 includes the following steps S201-S205.
S201, controlling the first electromagnetic valve 7 to intake air at a first air pressure V1 for a first time period T1. In the embodiment of the present application, the first period T1 is set to three seconds.
S202, inputting a first air pressure value V10 of the first pressure transmitter 91 and the second pressure transmitter 92. It should be noted that the first air pressure value V10 includes two values, one is the measurement value of the first pressure transmitter 91, and the other is the measurement value of the second pressure transmitter 92.
S203, judging whether the first air pressure value V10 is in a first preset range.
S204, if the first air pressure value V10 is within the first preset range, controlling the first electromagnetic valve 7 to exhaust for a second time period T2. The second period T2 is set to two seconds in the embodiment of the present application.
And S205, accumulating the exhaust test cycle times for 1 time.
Further, step S300 is performed after step S205 to determine whether the number of exhaust test cycles of the exhaust cycle test reaches the preset number of exhaust test cycles. In the embodiment of the present application, the number of preset cycles of the degassing test is 6, i.e., 6 repetitions of steps S201 to S205 are required.
If the exhaust test preset cycle test is not reached, the process returns to step S201 to control the first solenoid valve 7 to intake air at the first air pressure V1 for the first time period T1.
And if the preset cycle times of the exhaust test are reached, performing the step S400 and controlling to open the inflation cycle test.
Specifically, step S400 includes the following steps S401-S405.
S401, controlling the second electromagnetic valve 8 to intake air at the second air pressure V2 for a third time period T3. In the present embodiment, the third period T3 is set to three seconds.
S402, inputting a second air pressure value V20 of the first air pressure transmitter 91 and the second air pressure transmitter 91. It should be noted that the second air pressure V20 includes two values, one is the measurement value of the first pressure transmitter 91, and the other is the measurement value of the second pressure transmitter 92.
S403, judging whether the second air pressure value V20 is in a second preset range.
S404, if the second air pressure value V20 is within a second preset range, controlling the second electromagnetic valve 8 to exhaust for a second time period T2.
And S405, accumulating the number of the inflation test cycles for 1 time.
And step S405, performing step S500, and judging whether the inflation test cycle number of the inflation cycle test reaches the preset inflation test cycle number. In the embodiment of the application, the number of preset cycles of the inflation test is set to 1.
And if the inflation test cycle number of the inflation cycle test does not reach the preset inflation test cycle number, returning to the step S401.
And if the inflation test cycle number of the inflation cycle test reaches the preset inflation test cycle number, performing step S600 and controlling to open the step boosting and pressure reducing test.
Specifically, the step S600, control opening step voltage boosting and reducing test comprises the following steps S601-S607.
S601, controlling to open the ABS electromagnetic valve of the ABS bridge module 12 to perform step boosting.
And S602, obtaining a third air pressure value V30 of the first air pressure transmitter and the second air pressure transmitter. It should be noted that the third air pressure value V30 includes two values, one is the measurement value of the first pressure transmitter 91, and the other is the measurement value of the second pressure transmitter 92.
And S603, controlling to open the ABS electromagnetic valve of the ABS bridge module 12 to perform step pressure reduction.
S604, obtaining a fourth air pressure value V40 of the first air pressure transmitter and the second air pressure transmitter. It should be noted that the fourth air pressure value V40 includes two values, one is the measurement value of the first pressure transmitter 91, and the other is the measurement value of the second pressure transmitter 92.
And S605, obtaining a pressure increasing curve according to the third air pressure value V30, and obtaining a pressure reducing curve according to the fourth air pressure value V40.
And S606, judging whether the voltage boosting curve and the voltage reducing curve are normal or not.
It should be noted that, the judgment of whether the voltage-increasing curve and the voltage-decreasing curve are normal is obtained according to curve comparison software. The curve comparison software can compare the curve to be evaluated with the standard preset curve with the difference value of the vertical coordinate corresponding to each horizontal coordinate.
And S607, if the test is normal, adding 1 to the cumulative number of the pressure reduction test cycles.
Step S607 is followed by step S700 of determining whether the number of cycles of the step-down test of the step-up step-down test reaches the preset number of cycles of the step-down test. The preset cycle number of the step-down test is set to 5 times in the embodiment of the application.
If the number of cycles of the step-down test does not reach the preset number of cycles of the step-down test, the step S601 is returned to.
And if the cycle number of the step-down test reaches the preset cycle number of the step-down test, performing step S800 and controlling to open the drive anti-skid test.
Specifically, step S800 includes the following steps S801-S804.
And S801, controlling to open the ASR electromagnetic valve.
S802, acquiring a fifth air pressure value V50 of the first pressure transmitter and the second pressure transmitter. It should be noted that the fifth air pressure V50 includes two values, one is the measurement value of the first pressure transmitter 91, and the other is the measurement value of the second pressure transmitter 92.
And S803, judging whether the fifth air pressure value V50 is in a third preset range.
And S804, if the driving anti-skid test cycle is in the third preset range, adding 1 to the driving anti-skid test cycle number in an accumulated mode.
Step S900 is performed after step S804, and it is determined whether the number of drive anti-slip test cycles of the drive anti-slip test reaches the preset number of drive anti-slip test cycles. In the embodiment of the present application, the number of driving antiskid tests is 2.
It should be noted that, if the preset number of cycles of the driving anti-skid test is not reached, the step S801 is performed again.
And if the preset cycle number of the drive anti-skid test is reached, performing step S1000, and clearing the exhaust test cycle number, the inflation test cycle number, the depressurization test cycle number and the drive anti-skid test cycle number, wherein the total test number is added by 1.
Further, step S1000 is followed by step S1100 of determining whether the total number of tests reaches a total preset number of tests. In the present embodiment, the total test preset number is set to 10 ten thousand.
And if the total test preset times (10 ten thousand times) are reached, performing the step S1200, stopping the test and recording the test result.
If the total test preset times (10 ten thousand times) are not reached, the process returns to step S200.
It is noted that the ratio of the preset cycle number of the inflation test to the preset cycle number of the exhaust test ranges from 1:5 to 1: 7; the ratio of the preset cycle times of the inflation test to the preset cycle times of the depressurization test ranges from 1:2 to 1: 4; the ratio of the preset cycle times of the inflation test to the preset cycle times of the driving antiskid test ranges from 1:1 to 1: 3. For example, if the preset cycle number of the inflation test is one, the preset cycle number of the deflation test may be five times, six times or seven times, the preset cycle number of the depressurization test may be two times, three times or four times, and the preset cycle number of the driving anti-skid test may be one time, two times or three times.
It should be noted that, in the above steps, if the first air pressure value is not within the first preset range, or the second air pressure value is not within the second preset range, or the pressure-increasing curve is not normal, or the pressure-decreasing curve is not normal, or the fifth air pressure value is not within the third preset range, the step S1200 is executed, the test is stopped, and the test result is recorded.
The durability test method for the bridge module can perform the exhaust cycle test, the inflation cycle test, the step boosting and pressure reducing test and the driving anti-skid test for the preset times, complete the test when the total cycle times reach the preset times, and can realize the tests of the bridge module of the anti-lock brake device on the relay valve durable part, the ABS durable part and the ASR durable part.
In a second aspect, the present embodiment provides a durability testing apparatus for a bridge module, including a test parameter input module, an exhaust cycle testing module, an exhaust cycle number judging module, an inflation cycle testing module, an inflation cycle number judging module, a step voltage boosting and reducing testing module, a voltage reducing testing cycle number judging module, a driving anti-skid testing cycle number judging module, a number processing module, a total test number judging module, and a test result recording module.
Specifically, the test parameter input module is used for inputting test parameters, the exhaust circulation test module is used for controlling the opening of an exhaust circulation test, and the exhaust test circulation number judgment module is used for judging whether the exhaust test circulation number of the exhaust circulation test reaches the preset exhaust test circulation number; the inflation cycle testing module is used for controlling the inflation cycle testing to be started if the preset cycle times of the exhaust testing are reached; the inflation test cycle number judging module is used for judging whether the inflation test cycle number of the inflation cycle test reaches the inflation test preset cycle number or not, the step boosting and step-down test module is used for controlling the step boosting and step-down test to be opened if the inflation test preset cycle number is reached, the step boosting and step-down test module is used for judging whether the step boosting and step-down test cycle number reaches the step-down test preset cycle number or not, the driving anti-skid test module is used for controlling the step-down test preset cycle number to be opened if the step-down test preset cycle number is reached, the driving anti-skid test cycle number judging module is used for judging whether the driving anti-skid test cycle number of the driving anti-skid test reaches the driving anti-skid test preset cycle number or not, the cycle number processing module is used for exhausting the inflation test preset cycle number, the inflation test cycle number, the step-down test cycle number, The step-down testing cycle number and the driving antiskid testing cycle number are reset, the total testing cycle number is added with 1, the total testing cycle number judging module is used for judging whether the total testing cycle number reaches the total testing preset number, and the testing result recording module is used for stopping testing and recording the testing result if the total testing cycle number reaches the total testing preset number; and if the total test preset times are not reached, returning to the step for controlling the opening of the exhaust circulation test.
The durability testing device for the bridge module can perform the exhaust cycle test, the inflation cycle test, the step boosting and step reducing test and the driving anti-skid test for the preset times, complete the tests when the total cycle times reach the preset times, and can realize the tests of the bridge module of the anti-lock brake device on the relay valve durable part, the ABS durable part and the ASR durable part.
In a third aspect, the present embodiment provides an apparatus, including a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the endurance testing method for the bridge module when executing the program. Compared with the prior art, the device can perform the exhaust cycle test, the inflation cycle test, the step boosting and pressure reducing test and the driving antiskid test for the preset times, and complete the test when the total cycle times reach the preset times, and can realize the test of the bridge module of the anti-lock brake device on a relay valve durable part, an ABS durable part and an ASR durable part.
In an alternative embodiment, an apparatus is provided, the apparatus comprising: a processor and a memory. Wherein the processor is coupled to the memory, such as via a bus. Optionally, the electronic device may further comprise a transceiver. It should be noted that the transceiver in practical application is not limited to one, and the structure of the electronic device does not constitute a limitation to the embodiments of the present application.
The Processor may be a CPU (Central Processing Unit), a general-purpose Processor, a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array) or other Programmable logic device, a transistor logic device, a hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. A processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, a DSP and a microprocessor, or the like.
A bus may include a path that transfers information between the above components. The bus may be a PCI (Peripheral Component Interconnect) bus, an EISA (Extended Industry standard architecture) bus, or the like. May be divided into an address bus, a data bus, a control bus, etc.
The Memory may be, but is not limited to, a ROM (Read Only Memory) or other type of static storage device that can store static information and instructions, a RAM (Random Access Memory) or other type of dynamic storage device that can store information and instructions, an EEPROM (Electrically Erasable Programmable Read Only Memory), a CD-ROM (Compact Disc Read Only Memory) or other optical Disc storage, optical Disc storage (including Compact Disc, laser Disc, optical Disc, digital versatile Disc, blu-ray Disc, etc.), a magnetic disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.
The memory is used for storing application program codes for executing the scheme of the application and is controlled by the processor to execute. The processor is configured to execute the application program code stored in the memory to implement the aspects illustrated in the foregoing method embodiments.
In a fourth aspect, the present embodiments provide a computer readable storage medium storing computer instructions for causing a computer to perform the steps of the durability testing method for a bridge module described above. Compared with the prior art, the computer readable storage medium can perform the exhaust cycle test, the inflation cycle test, the step pressure increasing and reducing test and the driving antiskid test for the preset times, and complete the test when the total cycle times reach the preset times, and can realize the test of the bridge module of the anti-lock brake device on the relay valve durable part, the ABS durable part and the ASR durable part.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A durability test method of a bridge module, comprising the steps of:
inputting test parameters;
controlling to open an exhaust cycle test;
judging whether the exhaust test cycle number of the exhaust cycle test reaches the preset exhaust test cycle number or not;
if the preset cycle times of the exhaust test are reached, controlling to open an inflation cycle test;
judging whether the inflation test cycle number of the inflation cycle test reaches the preset inflation test cycle number or not;
if the preset cycle times of the inflation test are reached, controlling to open a step pressure-increasing and pressure-reducing test;
judging whether the cycle number of the step voltage boosting and reducing test reaches the preset cycle number of the step voltage increasing and reducing test;
if the preset cycle times of the pressure reduction test are reached, controlling to open the drive anti-skid test;
judging whether the cycle number of the drive anti-skid test reaches a preset cycle number of the drive anti-skid test;
if the preset cycle number of the drive anti-skid test is reached, resetting the exhaust test cycle number, the inflation test cycle number, the depressurization test cycle number and the drive anti-skid test cycle number, and adding 1 to the total test number;
judging whether the total test times reach the total test preset times or not;
if the total test preset times are reached, stopping testing, and recording a test result;
and if the total test preset times are not reached, returning to the step for controlling the opening of the exhaust circulation test.
2. The durability test method of the bridge module according to claim 1, wherein the step of controlling the open vent cycle test comprises:
controlling a first electromagnetic valve to intake air at a first air pressure for a first time period;
inputting a first air pressure value of a first pressure transmitter and a second pressure transmitter;
judging whether the first air pressure value is in a first preset range or not;
if the air pressure is within the first preset range, controlling the first electromagnetic valve to exhaust for a second time period;
accumulating the exhaust test cycle times for 1 time;
wherein, the step of judging whether the cycle number of the exhaust test of the exhaust cycle test reaches the preset cycle number of the exhaust test further comprises:
and if the exhaust test cycle number does not reach the exhaust test preset cycle number, returning to the step to control the first electromagnetic valve to intake air at the first air pressure for the first time.
3. The method for testing the durability of a bridge module according to claim 2, wherein the step of controlling the open inflation cycle test comprises:
controlling a second electromagnetic valve to intake air at a second air pressure for a third time period;
inputting a second air pressure value of the first pressure transmitter and the second pressure transmitter;
judging whether the second air pressure value is in a second preset range or not;
if the air pressure is within the second preset range, controlling the second electromagnetic valve to exhaust for a second time period;
the number of inflation test cycles is accumulated for 1 time;
wherein, the step of judging whether the inflation test cycle number of the inflation cycle test reaches the preset inflation test cycle number further comprises:
and if the inflation test cycle times do not reach the inflation test preset cycle times, returning to the step to control the second electromagnetic valve to intake air at the second air pressure for a third time.
4. The method for testing the durability of a bridge module according to claim 3, wherein the step of controlling to open the step-up step-down test comprises:
controlling to open the ABS electromagnetic valve to perform step boosting;
obtaining a third air pressure value of the first pressure transmitter and the second pressure transmitter;
controlling to open the ABS electromagnetic valve to perform step pressure reduction;
obtaining a fourth air pressure value of the first pressure transmitter and the second pressure transmitter;
obtaining a boosting curve and a reducing curve according to the third air pressure value and the fourth air pressure value;
judging whether the boosting curve and the reducing curve are normal or not;
if the test is normal, adding 1 to the cumulative cycle number of the depressurization test;
wherein the step of judging whether the cycle number of the step-voltage boosting and step-down test reaches the preset cycle number of the step-voltage boosting and step-down test further comprises:
and if the cycle number of the depressurization test does not reach the preset cycle number of the depressurization test, returning to the step to control to open the ABS electromagnetic valve for step boosting.
5. The durability test method of the bridge module according to claim 4, wherein the step of controlling the opening drive anti-skid test comprises:
controlling to open the ASR electromagnetic valve;
acquiring a fifth air pressure value of the first pressure transmitter and the second pressure transmitter;
judging whether the fifth air pressure value is within a third preset range or not;
if the driving anti-skid test cycle number is within the third preset range, adding 1 to the accumulation of the driving anti-skid test cycle number;
wherein, the step of judging whether the cycle number of the drive anti-skid test reaches the preset cycle number of the drive anti-skid test further comprises:
and if the driving antiskid test cycle times do not reach the driving antiskid test preset cycle times, returning to the step to control the opening of the ASR electromagnetic valve.
6. The method for testing the durability of a bridge module according to claim 5, wherein if the first air pressure value is not within the first predetermined range, the second air pressure value is not within the second predetermined range, the step-up curve and the step-down curve are not normal, and the fifth air pressure value is not within the third predetermined range, the steps are performed:
and stopping testing and recording the testing result.
7. The durability test method of the bridge module according to claim 1, wherein a ratio of the inflation test preset cycle number to the deflation test preset cycle number ranges from 1:5 to 1: 7;
the ratio of the preset cycle times of the inflation test to the preset cycle times of the depressurization test ranges from 1:2 to 1: 4;
the ratio of the preset cycle number of the inflation test to the preset cycle number of the driving antiskid test ranges from 1:1 to 1: 3.
8. A durability testing apparatus of a bridge module, comprising:
the test parameter input module is used for inputting test parameters;
the exhaust circulation testing module is used for controlling the opening of the exhaust circulation test;
the exhaust test cycle number judging module is used for judging whether the exhaust test cycle number of the exhaust cycle test reaches the preset exhaust test cycle number or not;
the inflation cycle testing module is used for controlling the inflation cycle testing to be started if the preset cycle times of the exhaust testing are reached;
the inflation test cycle number judging module is used for judging whether the inflation test cycle number of the inflation cycle test reaches the inflation test preset cycle number or not;
the step voltage boosting and reducing test module is used for controlling to open the step voltage boosting and reducing test if the preset cycle times of the inflation test are reached;
the step-down test cycle number judging module is used for judging whether the step-down test cycle number of the step-up step-down test reaches the preset step-down test cycle number;
the driving anti-skid test module is used for controlling to open the driving anti-skid test if the preset cycle times of the step-down test are reached;
the drive anti-skid test cycle number judging module is used for judging whether the drive anti-skid test cycle number of the drive anti-skid test reaches the drive anti-skid test preset cycle number or not;
the frequency processing module is used for resetting the preset cycle frequency of the exhaust test, the preset cycle frequency of the inflation test, the cycle frequency of the depressurization test and the cycle frequency of the drive anti-skid test if the preset cycle frequency of the drive anti-skid test is reached, and adding 1 to the total test frequency;
the total test frequency judging module is used for judging whether the total test frequency reaches the total test preset frequency or not;
the test result recording module is used for stopping the test and recording the test result if the total test preset times are reached; and if the total test preset times are not reached, returning to the step for controlling the opening of the exhaust circulation test.
9. An apparatus comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the endurance testing method of the bridge module according to any of claims 1 to 7 when executing the program.
10. A computer-readable storage medium storing computer instructions for causing a computer to perform the steps of the durability testing method of a bridge module according to any one of claims 1 to 7.
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