CN110398373A - A kind of electric power window lifting device life-span test system and its method - Google Patents
A kind of electric power window lifting device life-span test system and its method Download PDFInfo
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- CN110398373A CN110398373A CN201910386143.3A CN201910386143A CN110398373A CN 110398373 A CN110398373 A CN 110398373A CN 201910386143 A CN201910386143 A CN 201910386143A CN 110398373 A CN110398373 A CN 110398373A
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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
- 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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Abstract
The invention discloses a kind of electric power window lifting device life-span test system and its methods, belong to auto parts and components testing field, system includes controller circuitry, alarm module, touch display screen, current sensor, relay and the car car window lifter, the alarm module, touch display screen, current sensor, relay and the car car window lifter are connect with controller circuitry, the power module is connected with relay, the relay also with current sensor, alarm module and touch display screen are connected, the current sensor is connect with the car car window lifter.Then the present invention judge according to electric current the life situations of glass-frame riser by the electric current of acquisition glass lifter motor, to preferably judge the use state situation of glass-frame riser, with simple, the easy to detect effect of structure.
Description
Technical field
The present invention relates to auto parts and components testing field more particularly to a kind of electric power window lifting device life-span test system and
Its method.
Background technique
Since the speed that riding vehicle updates at this stage is fast, make electric driven window glass lifting/lowernig also with constantly more
Newly, the detection device for passing by import is difficult to meet the comprehensive performance testing requirements of new automobile electric lifting device for window glass of vehicle,
Vehicle is set to break down using electric driven window glass lifting/lowernig after a certain period of time.Electric driven window glass lifting/lowernig is common
Failure has: lifter does not work, no current；Lifter does not work, and is in locked rotor condition, high current；Lifter is not closed completely, leaks out
Deng.According to the zero kilometer or Aftermarket Claims statistics of big automobile factory, domestic several families, the failure base of electric driven window glass lifting/lowernig
It all ranks forefront in sheet 20, therefore according to China's development of automobile demand, designs the comprehensive performance detecting system of electric glass lifter
With important learning value and market value.
Summary of the invention
It is existing to solve the purpose of the present invention is to provide a kind of electric power window lifting device life-span test system and its method
There is no the technical issues of equipment carries out life performance detection to window regulator.
A kind of electric power window lifting device life-span test system, including controller circuitry, alarm module, touch display screen, electricity
Flow sensor, relay and the car car window lifter, the alarm module, touch display screen, current sensor, relay
It is connect with controller circuitry with the car car window lifter, the power module is connected with relay, the relay
Also it is connected with current sensor, alarm module and touch display screen, the current sensor and automobile window glass are gone up and down
Device connection.
Further, the controller circuitry uses the chip of model STM32F03C8T6 as processing chip, to electricity
Flow sensor signal is acquired and and comparison.
Further, the current sensor acquires automotive window using model ACS712ELCTR-20A-T chip
The motor drive current of glass-frame riser.
Further, the car car window lifter includes motor, rotation steel wire, fixed pulley and sliding block, the electricity
Machine slides up and down connection by rotation steel wire, fixed pulley and sliding block, and the sliding block is clipped in Glass base.
Further, the car car window lifter uses the Sail glass-frame riser for flying rabbit.
A kind of electric power window lifting device life testing method, includes the following steps:
Step 1: data acquisition, by the driving current signal of current sensor acquisition motor, the output of current sensor connects
It is connected to the AI input port of embedded controller, motor driving current signals are adopted by the input port AI of embeded processor
Collect, the digital I/O port that the output on electric driven window glass lifting/lowernig is connected to embedded controller realizes embedded Control
Control of the device to motor；
Step 2: data processing, the data to be come by embeded processor to acquisition carry out corresponding data processing；
Step 3: data storage, it is after the current data changed is compared with the data area set as a result, with
And the current data and motor drive current data of the collected primary path of embedded controller are stored in real time to embedded place
In the hard disk for managing device；
Step 4: alarm, the input terminal of alarm module is connected to the digital I/O port of embedded controller, by embedded control
The digital I/O port of device processed controls alarm module.Embeded processor compares current data and given threshold value in real time,
Once current data exceeds threshold value, I/O signal is exported from the digital I/O port of embeded processor, control alarm module carries out different
Normal sound-light alarm；
Step 5: cancel closedown, the input terminal of relay are connected to the digital I/O port of embedded controller, embedded place
Reason device compares current data and given threshold value in real time, once current data exceeds threshold value, from the number of embeded processor
I/O port exports I/O signal, turns off relay and stops motor rotation, realizes that system exception is shut down；
Step 6: data show that touch screen is connect by Ethernet interface with embedded controller, embedded controller handle
Processing result is sent to touch screen in real time and is shown, and receives the user from touch screen in real time and input parameter.
Further, collected current signal amount is changed into current data, detailed process in the step 2 are as follows:
Step 2.1: collected motor driving current signals are carried out analog-to-digital conversion by embedded controller, i.e., will collect
Motor driving current signals be changed into current data；
Step 2.2: 3 current data normal range (NR)s being manually set in embedded controller, are respectively: range 1: glass
Reach the current data range of vehicle window bottom, range 2: glass reaches the current data range in the middle part of vehicle window, and range 3: glass arrives
Up to the current data range at the top of vehicle window；
Step 2.3: the current data changed being compared with the current data range set in real time, will be acquired simultaneously
The motor drive current data that the glass changed reaches vehicle window bottom are compared with range 1, the glass that will be acquired and changed
It reaches the motor drive current data in the middle part of vehicle window to compare with range 2, the glass for acquiring and having changed is reached at the top of vehicle window
Motor drive current data compared with range 3.
Present invention employs above-mentioned technical proposal, the present invention is had following technical effect that
(1) then the present invention carries out judgement glass-frame riser according to electric current by the electric current of acquisition glass lifter motor
Life situations have structure simple to preferably judge the use state situation of glass-frame riser, it is easy to detect
Effect.
(2) this test macro reduces identical hardware spending, each using modularized hardware using virtual instrument technology
The data of module carry out data sharing by host, improve measuring speed.Help to fast implement measurement and control system from
Definition design, prototype and publication, accelerate the test macro development cycle, save design cost.
(3) this test macro uses the virtual instrument technology of " software is exactly instrument ", by adopting for multiple test function equipment
Sample circuit is combined with control circuit, and host synchronization controls multiple test modules, and test data is uniformly processed.It reduces
Its hardware same section simplifies structure, reduces equipment volume, saves corresponding hardware cost, improve the cost performance of product, simultaneously
Improve testing efficiency.
Detailed description of the invention
Fig. 1 is present system block diagram.
Fig. 2 is the method for the present invention flow chart.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, referring to the drawings and preferred reality is enumerated
Example is applied, the present invention is described in more detail.However, it is necessary to illustrate, many details listed in specification are only to be
Reader is set to have a thorough explanation to one or more aspects of the present invention, it can also be with even without these specific details
Realize the aspects of the invention.
Referring to Fig. 1, the present invention provides a kind of electric power window lifting device life-span test system, by embedded controller, electricity
Source module, alarm module, touch display screen, current sensor, relay and electric driven window glass lifting/lowernig composition, wherein
It include the glass on motor and sliding block on electric driven window glass lifting/lowernig.Embedded controller is connected by digital I/O port
Then relay, motor and alarm module on electric driven window glass lifting/lowernig, embedded controller also pass through the end AI
Mouth is connected to current sensor and connects touch display screen with by Ethernet.Power module is connected with relay, and relay is also
It is connected with current sensor, alarm module and touch display screen, current sensor is connected to automobile electric car-window glass liter
The motor of device drops, and glass connects on the sliding block of electric driven window glass lifting/lowernig.
Building for electric power window lifting device life-span test system based on virtual instrument technology, is made using STM32F03C8T6
For the core for acquiring and controlling, addition current sensor is acquired using ACS712ELCTR-20A-T chip in measurement access
Motor drive current；Using embedded controller, AI/ data I/O port/Ethernet input/output port is configured, to realize letter
Number input and output and data processing；Display interface touch display screen, displays data and human-computer interaction.
Structural block diagram of the invention is as shown in Figure 1, by embedded controller, power module, alarm module, touch display
Screen, current sensor, relay and electric driven window glass lifting/lowernig composition, wherein on electric driven window glass lifting/lowernig
It include the glass on motor and sliding block.Embedded controller is connected to relay, automobile electric car-window by digital I/O port
Motor and alarm module on glass-frame riser, embedded controller also pass through the port AI and are connected to current sensor and pass through
Ethernet connects touch display screen.Power module is connected with relay, relay also with current sensor, alarm module and
Touch display screen is connected, and current sensor is connected to the motor of electric driven window glass lifting/lowernig, and glass connects in automobile electricity
On the sliding block of motor-car window glass lifter.Electric energy is transmitted to touch display screen, motor and report by relay by power module
In alert module.Core of the embedded controller using STM32F03C8T6 as acquisition and control.Current sensor uses
ACS712ELCTR-20A-T chip detects the driving current of entire motor and passes through collected current signal
The AI port transmission of STM32F03C8T6 to STM32F03C8T6, by STM32F03C8T6 carry out corresponding data processing and by its
As a result it stores, the digital I/O port on STM32F03C8T6 is connected to the motor on electric driven window glass lifting/lowernig simultaneously
It controls it, when finding collected current data beyond threshold value, stops motor rotation in time, and close relay reality
Existing cancel closedown.Alarm module is connected to the digital I/O port on STM32F03C8T6, by STM32F03C8T6 to alarm module
It is controlled.STM32F03C8T6 compares the driving current and given threshold value of motor in real time, once current data exceeds threshold
Value exports I/O signal from the digital I/O port of STM32F03C8T6, and control alarm module carries out abnormal sound-light alarm.
Processing result is sent to touch screen in real time and is shown by STM32F03C8T6, and receives the user from touch screen in real time
Input parameter.
Test flow chart of the invention is as shown in Fig. 2, testing process is: when relay switch is opened, i.e., whole system is opened
When beginning work, the motor on embedded controller controls electric driven window glass lifting/lowernig make the glass on sliding block slowly on
It rises, so that glass is risen to vehicle window middle position, and judge collected motor drive current at this time, judge that the electric current is
The no normal range value in setting rises to glass continuation slowly at the top of vehicle window, if not then stopping electricity
Machine rotation, and issue sound-light alarm.When glass rises at the top of vehicle window, whether the driving current for detecting motor again, which is in, is set
Fixed normal range value drops to glass continuation slowly in the middle part of vehicle window, rotates if not motor is then stopped, and
Issue sound-light alarm.When glass drops in the middle part of vehicle window, whether the driving current for detecting motor again is in the normal of setting
Value range if it is makes glass continuation slowly drop to vehicle window lower curtate, rotates if not motor is then stopped, and issue acousto-optic
Alarm.When glass drops to vehicle window bottom, whether the driving current for detecting motor again is in the normal range value of setting, such as
Fruit is to rise to glass continuation slowly in the middle part of vehicle window, is rotated if not motor is then stopped, and issue sound-light alarm.Period
Property retest process, realize test of this system to the electric power window lifting device service life.
The testing process and method of entire test macro are as follows:
Step 1: data acquisition, by the driving current signal of current sensor acquisition motor, the output of current sensor connects
It is connected to the AI input port of embedded controller, motor driving current signals are adopted by the input port AI of embeded processor
Collection；The digital I/O port that output on electric driven window glass lifting/lowernig is connected to embedded controller realizes embedded Control
Control of the device to motor.
Step 2: data processing, the data to be come by embeded processor to acquisition carry out corresponding data processing.It will adopt
The current signal amount collected is changed into current data, the specific steps are as follows:
Step 2.1: collected motor driving current signals are carried out analog-to-digital conversion by embedded controller, i.e., will collect
Motor driving current signals be changed into current data.
Step 2.1: 3 current data normal range (NR)s being manually set in embedded controller, are respectively: range 1: glass
Reach the current data range of vehicle window bottom, range 2: glass reaches the current data range in the middle part of vehicle window, and range 3: glass arrives
Up to the current data range at the top of vehicle window.
Step 2.2: the current data changed being compared with the current data range set in real time, will be acquired simultaneously
The motor drive current data that the glass changed reaches vehicle window bottom are compared with range 1, the glass that will be acquired and changed
It reaches the motor drive current data in the middle part of vehicle window to compare with range 2, the glass for acquiring and having changed is reached at the top of vehicle window
Motor drive current data compared with range 3.
Step 3: data storage, it is after the current data changed is compared with the data area set as a result, with
And the current data and motor drive current data of the collected primary path of embedded controller are stored in real time to embedded place
In the hard disk for managing device.
Step 4: alarm, the input terminal of alarm module is connected to the digital I/O port of embedded controller, by embedded control
The digital I/O port of device processed controls alarm module.Embeded processor compares current data and given threshold value in real time,
Once current data exceeds threshold value, I/O signal is exported from the digital I/O port of embeded processor, control alarm module carries out different
Normal sound-light alarm.
Step 5: cancel closedown, the input terminal of relay are connected to the digital I/O port of embedded controller, embedded place
Reason device compares current data and given threshold value in real time, once current data exceeds threshold value, from the number of embeded processor
I/O port exports I/O signal, turns off relay and stops motor rotation, to realize that system exception is shut down.
Step 6: data show that touch screen is connect by Ethernet interface with embedded controller, embedded controller handle
Processing result is sent to touch screen in real time and is shown, and receives the user from touch screen in real time and input parameter.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of electric power window lifting device life-span test system, it is characterised in that: including controller circuitry, alarm module, touch
Display screen, current sensor, relay and the car car window lifter, the alarm module, touch display screen, current sense
Device, relay and the car car window lifter are connect with controller circuitry, and the power module is connected with relay, institute
It states relay to be also connected with current sensor, alarm module and touch display screen, the current sensor and automotive window
Glass-frame riser connection.
2. a kind of electric power window lifting device life-span test system according to claim 1, it is characterised in that: the controller
Circuit uses the chip of model STM32F03C8T6 as processing chip, is acquired to current sensor signal and and right
Than.
3. a kind of electric power window lifting device life-span test system according to claim 1, it is characterised in that: the electric current passes
Sensor acquires the motor drive current of the car car window lifter using model ACS712ELCTR-20A-T chip.
4. a kind of electric power window lifting device life-span test system according to claim 1, it is characterised in that: the Automobile
Window glass lifter includes motor, rotation steel wire, fixed pulley and sliding block, and the motor passes through rotation steel wire, fixed pulley and sliding block
Connection is slided up and down, the sliding block is clipped in Glass base.
5. a kind of electric power window lifting device life-span test system according to claim 4, it is characterised in that: the Automobile
Window glass lifter uses the Sail glass-frame riser for flying rabbit.
6. a kind of electric power window lifting device life testing method described in -5 any one according to claim 1, which is characterized in that
Include the following steps:
Step 1: data acquisition, by the driving current signal of current sensor acquisition motor, the output of current sensor is connected to
The AI input port of embedded controller is acquired motor driving current signals by the input port AI of embeded processor,
The digital I/O port that output on electric driven window glass lifting/lowernig is connected to embedded controller realizes embedded controller
Control to motor；
Step 2: data processing, the data to be come by embeded processor to acquisition carry out corresponding data processing；
Step 3: data storage is after comparing the current data changed with the data area set as a result, and embedding
The current data and motor drive current data for entering the collected primary path of formula controller are stored in real time to embeded processor
Hard disk in；
Step 4: alarm, the input terminal of alarm module is connected to the digital I/O port of embedded controller, by embedded controller
Digital I/O port alarm module is controlled.Embeded processor compares current data and given threshold value in real time, once
Current data exceeds threshold value, exports I/O signal from the digital I/O port of embeded processor, control alarm module carries out abnormal sound
Light alarm；
Step 5: the input terminal of cancel closedown, relay is connected to the digital I/O port of embedded controller, embeded processor
Compare current data and given threshold value in real time, once current data exceeds threshold value, from the Digital I/O end of embeded processor
Mouth output I/O signal turns off relay and stops motor rotation, and realization system exception is shut down；
Step 6: data show that touch screen is connect by Ethernet interface with embedded controller, and embedded controller is processing
It is sent to touch screen when fructufy to be shown, and receives the user from touch screen in real time and inputs parameter.
7. a kind of electric power window lifting device life testing method according to claim 6, it is characterised in that: the step 2
It is middle that collected current signal amount is changed into current data, detailed process are as follows:
Step 2.1: collected motor driving current signals are carried out analog-to-digital conversion by embedded controller, i.e., by collected electricity
Machine driving current signal is changed into current data；
Step 2.2: 3 current data normal range (NR)s are manually set in embedded controller, are respectively: range 1: glass reaches
The current data range of vehicle window bottom, range 2: glass reaches the current data range in the middle part of vehicle window, range 3: glass reaches vehicle
Current data range at the top of window；
Step 2.3: the current data changed being compared with the current data range set in real time, will acquire and change
The motor drive current data that good glass reaches vehicle window bottom are compared with range 1, and the glass for acquiring and having changed is reached
Motor drive current data in the middle part of vehicle window are compared with range 2, and the glass for acquiring and having changed is reached the electricity at the top of vehicle window
Machine driving current data are compared with range 3.
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| CN201910386143.3A CN110398373A (en) | 2019-05-10 | 2019-05-10 | A kind of electric power window lifting device life-span test system and its method |
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| CN111290297A (en) * | 2020-03-18 | 2020-06-16 | 科世达(上海)机电有限公司 | Car window lifting simulation test system |
| CN113566701A (en) * | 2021-06-08 | 2021-10-29 | 江苏润模汽车检测装备有限公司 | Automatic detection equipment for position of slide block of window glass lifter |
| CN114280477A (en) * | 2021-12-24 | 2022-04-05 | 兰州飞行控制有限责任公司 | Driving device service life testing system and testing method |
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Application publication date: 20191101 |