CN109856450A - A kind of Portable electronic throttle pedal signal synchronization degree detection device and its working method - Google Patents
A kind of Portable electronic throttle pedal signal synchronization degree detection device and its working method Download PDFInfo
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- CN109856450A CN109856450A CN201910001635.6A CN201910001635A CN109856450A CN 109856450 A CN109856450 A CN 109856450A CN 201910001635 A CN201910001635 A CN 201910001635A CN 109856450 A CN109856450 A CN 109856450A
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Abstract
The invention discloses a kind of Portable electronic throttle pedal signal synchronization degree detection device and its working methods, detection device is by interface circuit, active filter circuit, standard of precision voltage circuit, single-chip minimum system, with the liquid crystal display and electric power generating composition touched, efp is connect by interface circuit with this detection device, the interface circuit is connect with active filter circuit, active filter circuit is connect with single-chip minimum system, single-chip minimum system is connect with the liquid crystal display with touch, standard of precision voltage circuit is connect with single-chip minimum system, the power supply includes 9V carbon battery and voltage conversion circuit, power supply and interface circuit, active filter circuit, standard of precision voltage circuit, single-chip minimum system, with the liquid crystal display connection touched.The configuration of the present invention is simple, good portability, measurement accuracy are high, speed is fast, the on-site test that can be widely used on the sampling observation of efp material and after market.
Description
Technical field:
The present invention relates to a kind of Portable electronic throttle pedal signal synchronization degree detection device and its working methods, belong to
Technical field of new energy.
Background technique:
The efp of new-energy automobile has the output of two-way voltage mode signals --- signal 1 and signal 2, signal 1
Voltage is greater than signal 2.According to the regulation of synchronization degree in " QC_T 977-2014 electronic accelerator pedal of automobile assembly technical conditions ",
The calculation method of synchronization degree and judgement are as follows:
|UA1/(2UB1)-UA2/UB2| * 100%≤2%
In above-mentioned formula: UA1For the measurement voltage value of signal 1；UB1For the supply voltage value of signal 1；UA2For the reality of signal 2
Survey voltage value；UB2For the supply voltage value of signal 2.Gas pedal can be calculated under any travel position according to above-mentioned formula
Synchronization degree and make whether He Ge judgement.
But the synchronization degree index of efp can not be detected accurately at the scene at present, can only take back problem part
Factory or testing agency are detected using special equipment.Manually by multimeter two paths of signals voltage value, and voluntarily calculates and synchronize
Degree, but this method can not accomplish the total travel synchronization degree measurement of efp, and efficiency is very low.Meanwhile common ten thousand
It is 1% with table voltage measurement accuracy, can not accomplishes precise measurement.
Summary of the invention:
The present invention is to provide a kind of Portable electronic throttle pedal letter to solve the above-mentioned problems of the prior art
Number synchronization degree detection device and its working method.
The present invention adopts the following technical scheme: a kind of Portable electronic throttle pedal signal synchronization degree detection device, by connecing
Mouth circuit, active filter circuit, standard of precision voltage circuit, single-chip minimum system, liquid crystal display and power supply structure with touch
At efp is connect by interface circuit with this detection device, and the interface circuit is connect with active filter circuit, is had
Power filter is connect with single-chip minimum system, and single-chip minimum system is connect with the liquid crystal display with touch, accurate voltage base
Quasi- circuit is connect with single-chip minimum system, and the power supply includes 9V carbon battery and voltage conversion circuit, and power supply and interface are electric
Road, active filter circuit, standard of precision voltage circuit, single-chip minimum system, the liquid crystal display connection with touch.
The present invention also adopts the following technical scheme that a kind of work of Portable electronic throttle pedal signal synchronization degree detection device
Make method, the two-way voltage signal U of efp output1And U2It first passes around active filter circuit and eliminates interference ripple, so
The A/D module that this two-way voltage signal passes through single-chip minimum system respectively afterwards is converted to digital quantity UA1With UA2, finally by monolithic
Machine calculates synchronous degree, meanwhile, single-chip microcontroller will record U at this time1、U2And synchronization degree, and real-time display is with the liquid crystal touched
Screen, is pressed into final position by initial position for efp, the total travel synchronization degree of efp can be completed
Measurement, and single-chip microcontroller is with U1For X-coordinate, curve is drawn by Y-coordinate of degree of synchronization.
The invention has the following beneficial effects: Portable electronic throttle pedal signal synchronization degree assay device structures of the present invention
Simply, good portability, measurement accuracy are high, speed is fast, can be widely used in the sampling observation of efp material, and city after sale
On-site test on field.Compared with the method that problem part is taken back to factory or testing agency's test before, the present invention is greatly improved
Working efficiency.Compared with the mode of manual testing, the achievable automatic detection of the present invention, and substantially increase detection efficiency and essence
Degree.
Detailed description of the invention:
Fig. 1 is the schematic diagram of Portable electronic throttle pedal signal synchronization degree detection device of the present invention.
Specific embodiment:
The present invention will be further described below with reference to the drawings.
Portable electronic throttle pedal signal synchronization degree detection device of the present invention by interface circuit 1, active filter circuit 2,
Standard of precision voltage circuit 3, single-chip minimum system 4 are constituted with the liquid crystal display 5 and power supply 6 touched.Efp is logical
It crosses interface circuit 1 to connect with this detection device, interface circuit 1 is connect with active filter circuit 2, active filter circuit 2 and monolithic
Machine minimum system 4 connects, and single-chip minimum system 4 is connect with the liquid crystal display 5 with touch, standard of precision voltage circuit 3 and monolithic
Machine minimum system 4 connects, and power supply 6 includes 9V carbon battery and voltage conversion circuit, and power supply 6 and interface circuit 1, active power filtering are electric
Road 2, standard of precision voltage circuit 3, single-chip minimum system 4, the liquid crystal display 5 with touch connect.Active filter circuit 2 can subtract
Influence of few detection device to efp output signal simultaneously eliminates interference, and standard of precision voltage circuit 3 can provide essence
True AD reference voltage is responsible for providing man-machine interface with the liquid crystal display 5 touched.
Testing principle is: the two-way voltage signal U of efp output1And U2Active filter circuit 2 is first passed around to disappear
Except interference ripple, the A/D module that then this two-way voltage signal passes through single-chip minimum system 4 respectively is converted to digital quantity UA1With
UA2, synchronous degree is finally calculated by single-chip microcontroller, meanwhile, single-chip microcontroller will record U at this time1、U2And synchronization degree, and real-time display
With the liquid crystal display 5 touched.Efp is pressed into final position by initial position, efp can be completed
The measurement of total travel synchronization degree, and single-chip microcontroller is with U1For X-coordinate, curve is drawn by Y-coordinate of degree of synchronization.
The invention patent structure is simple, small in size, and using 9V carbon battery as power supply, has portable well
Property.Standard of precision voltage circuit 3 and active filter circuit 2 ensure that voltage signal U1And U2Measuring accuracy.By electronics oil
Door pedal is pressed into the survey calculation that final position can be automatically performed synchronous degree by initial position, and describes electronics with curve
The total travel synchronization degree index of gas pedal, it is convenient and efficient.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
It for member, can also make several improvements without departing from the principle of the present invention, these improvement also should be regarded as of the invention
Protection scope.
Claims (2)
1. a kind of Portable electronic throttle pedal signal synchronization degree detection device, it is characterised in that: by interface circuit (1), active
Filter circuit (2), standard of precision voltage circuit (3), single-chip minimum system (4), liquid crystal display (5) and power supply with touch
(6) it constitutes, efp is connect by interface circuit (1) with this detection device, the interface circuit (1) and active power filtering
Circuit (2) connection, active filter circuit (2) connect with single-chip minimum system (4), single-chip minimum system (4) and with touch
Liquid crystal display (5) connection, standard of precision voltage circuit (3) connect with single-chip minimum system (4), and the power supply (6) includes 9V
Carbon battery and voltage conversion circuit, power supply (6) and interface circuit (1), active filter circuit (2), standard of precision voltage circuit
(3), single-chip minimum system (4), liquid crystal display (5) connection with touch.
2. a kind of working method of Portable electronic throttle pedal signal synchronization degree detection device, it is characterised in that: E-Gas
The two-way voltage signal U of pedal output1And U2It first passes around active filter circuit (2) and eliminates interference ripple, then this two-way voltage
The A/D module that signal passes through single-chip minimum system (4) respectively is converted to digital quantity UA1With UA2, finally calculated together by single-chip microcontroller
Step degree, meanwhile, single-chip microcontroller will record U at this time1、U2And synchronization degree, and real-time display with touch liquid crystal display (5), will be electric
Electronic throttle pedal is pressed into final position by initial position, and the total travel synchronization degree measurement of efp can be completed, and
And single-chip microcontroller is with U1For X-coordinate, curve is drawn by Y-coordinate of degree of synchronization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001635.6A CN109856450A (en) | 2019-01-02 | 2019-01-02 | A kind of Portable electronic throttle pedal signal synchronization degree detection device and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001635.6A CN109856450A (en) | 2019-01-02 | 2019-01-02 | A kind of Portable electronic throttle pedal signal synchronization degree detection device and its working method |
Publications (1)
| Publication Number | Publication Date |
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| CN109856450A true CN109856450A (en) | 2019-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910001635.6A Pending CN109856450A (en) | 2019-01-02 | 2019-01-02 | A kind of Portable electronic throttle pedal signal synchronization degree detection device and its working method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201732001U (en) * | 2010-05-31 | 2011-02-02 | 重庆友诚自动化工程技术有限公司 | Portable electronic throttle pedal performance testing device |
| CN103197112A (en) * | 2013-03-19 | 2013-07-10 | 优利德科技(中国)有限公司 | Intelligent digital type multimeter |
| CN203786192U (en) * | 2014-02-14 | 2014-08-20 | 陕西泰德汽车空调有限公司 | Signal synchronization detection device used for fuel electronic throttle pedal |
| CN104897385A (en) * | 2015-06-03 | 2015-09-09 | 宿迁学院 | Special test circuit system for electronic accelerator pedals |
| CN208141219U (en) * | 2018-05-28 | 2018-11-23 | 湖南汽车工程职业学院 | The detection debug circuit of autonomous driving vehicle throttle control system |
| CN109085418A (en) * | 2018-09-06 | 2018-12-25 | 洛阳市黄河软轴控制器股份有限公司 | E-Gas detection method and E-Gas detection system and equipment |
-
2019
- 2019-01-02 CN CN201910001635.6A patent/CN109856450A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201732001U (en) * | 2010-05-31 | 2011-02-02 | 重庆友诚自动化工程技术有限公司 | Portable electronic throttle pedal performance testing device |
| CN103197112A (en) * | 2013-03-19 | 2013-07-10 | 优利德科技(中国)有限公司 | Intelligent digital type multimeter |
| CN203786192U (en) * | 2014-02-14 | 2014-08-20 | 陕西泰德汽车空调有限公司 | Signal synchronization detection device used for fuel electronic throttle pedal |
| CN104897385A (en) * | 2015-06-03 | 2015-09-09 | 宿迁学院 | Special test circuit system for electronic accelerator pedals |
| CN208141219U (en) * | 2018-05-28 | 2018-11-23 | 湖南汽车工程职业学院 | The detection debug circuit of autonomous driving vehicle throttle control system |
| CN109085418A (en) * | 2018-09-06 | 2018-12-25 | 洛阳市黄河软轴控制器股份有限公司 | E-Gas detection method and E-Gas detection system and equipment |
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Application publication date: 20190607 |