CN107576514A - A kind of automobile brake sensory test instrument - Google Patents
A kind of automobile brake sensory test instrument Download PDFInfo
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- CN107576514A CN107576514A CN201710975688.9A CN201710975688A CN107576514A CN 107576514 A CN107576514 A CN 107576514A CN 201710975688 A CN201710975688 A CN 201710975688A CN 107576514 A CN107576514 A CN 107576514A
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- pedal force
- brake
- force sensor
- controller
- pedal
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- 238000012360 testing method Methods 0.000 title description 7
- 230000001953 sensory effect Effects 0.000 title description 4
- 238000006073 displacement reaction Methods 0.000 claims abstract description 35
- 230000001133 acceleration Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 11
- 230000006870 function Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000013500 data storage Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Force Measurement Appropriate To Specific Purposes (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Elements And Transmission Devices (AREA)
Abstract
The present invention relates to a kind of brake feel tester, including displacement transducer（1）, pedal force sensor（2）, controller（14）And main support（3）.Controller（14）Including controller housing, controller mainboard（15）, acceleration transducer, serial ports（13）, SD card device（4）, download program mouth（12）, sensor interface（5）（6）.Controller mainboard（15）With serial ports（13）, SD card device（4）, power interface（10）, power switch（9）, button（7）（8）, indicator lamp（11）, sensor interface（5）（6）It is connected.Power interface（10）It is connected with vehicle power, serial ports（13）It is connected with PC ends, SD card device（4）Data storage.The present invention can accurately measure brake pedal displacement, pedal force, braking deceleration.Compared with prior art, the present invention has the advantages that small volume, versatile, measurement accuracy is high.
Description
Technical field
The present invention relates to a kind of vehicle detection instrument, more particularly, to a kind of automobile brake sensory test instrument.
Background technology
Brakes is a very important part for automotive field, during vehicle is braked, is exactly passed through
The brake feel of vehicle is fed back to driver by brake pedal, and this control for the subjective feeling and vehicle of driver has emphatically
The meaning wanted, directly influence the active safety of vehicle.Thus it is possible to measure the pressure in braking procedure suffered by pedal
Size, longitudinal braking deceleration size caused by the displacement and vehicle that pedal occurs is necessary.In addition, good
Brake feel is the good necessary condition of vehicle, and an important indicator of vehicle user satisfaction.Therefore, from the two sides
Test can be carried out for face to brake feel it is one significantly to study.
At present, in the market has the test product of brake feel function and few, wherein most industries measurement pedal position
Traditional tape measuring method is still continued to use in shifting, and its measured value precision is low, and error is big, and operating efficiency is low.Also there is only a few automobile
Company devises measuring instrument, often there is volume for this kind of tester to measure related data specifically for certain vehicle
Greatly, be inconvenient to carry, versatility is weak, using trouble, does not possess the problems such as carrying out data communication with host computer PC end.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of brake feel tester,
In Motor Vehicle Braking Procedure, brake pedal displacement, pedal force, braking deceleration can be easily and accurately measured, main support can be fast
Speed is securely fixed in automobile cabin, and pedal force sensor is installed on brake pedal by pedal force sensor mounting seat
On, the bracing wire head of displacement transducer is connected with pedal force sensor mounting seat, controller can gather in real time displacement transducer and
The signal of pedal force sensor, the data value that can be currently measured by PC ends real-time display, convenient use person's observation, data
It can be stored by SD card, facilitate the later stage to carry out data processing.All data measureds can be accurate to one decimal place.
This tester has the advantages that small volume, simple and reliable for structure, cost is cheap, versatile, easy to use, measurement accuracy is high.
To reach above-mentioned purpose, the present invention is achieved through the following technical solutions：
The present invention is a kind of brake feel tester, including displacement transducer, displacement sensor bracket, pedal force sensor, is stepped on
Plate force snesor mounting seat, controller and main support.Wherein, controller includes controller housing, controller mainboard, acceleration biography
Sensor, serial interface, SD card device, download program interface, pedal force sensor interface and stay wire displacement sensor interface.Control
Device mainboard is integrated with A/D translation functions, serial communication function, SPI communication functions and Interruption function etc., controller mainboard
Respectively with serial interface, SD card memory module, power interface, power switch, button, indicator lamp, download program interface, pedal force
Sensor interface, stay wire displacement sensor interface are connected.Power interface is connected with special cigarette lighter power port on automobile, string
Mouth interface can be connected with PC ends, and data can pass to host computer, and SD card can carry out the storage of data.The main support includes fixing
Part and support frame.
Wherein, the serial interface, power interface, button, power switch, indicator lamp, download program interface are positioned at control
Immediately ahead of device shell, the controller mainboard is located at shell centre position, and the acceleration transducer is located on controller mainboard,
The SD card device, pedal force sensor interface and stay wire displacement sensor interface are located at shell dead astern.
Wherein, support frame as described above is spliced by square stainless steel, and support frame end is rubber, and the firmware includes spiral shell
Bolt, VELCRO and band.
Due to taking above-mentioned technical proposal, the advantage of the invention is that：
1. the present invention provides two kinds of data reading modes, the first is can to carry out data communication with PC ends host computer, and user can
To observe the situation of change of latest data at any time at PC ends；Second is to carry out data storage by SD card, facilitates the later stage to enter
Row data processing；
2. the present invention is applied to all automobile brake sensory tests, applied widely；
3. the present invention uses the stay wire displacement sensor of rotary coding formula, the digital pulse signal of output, output is stable, anti-interference
Ability is strong, and measurement accuracy is up to 0.25mm；
4. present invention employs 3-axis acceleration sensor, signal condition, single-stage low pass filter and temperature-compensating skill are employed
Art, and the interface of two sensitivity measurement range selections is provided, range has two kinds of selections of 1.5g and 6g, and also carries dormancy mould
Formula interface, system power dissipation can be reduced, its response time is short, high sensitivity；
5. the present invention has change in displacement indicator lamp, as long as pedal displacement changes, indicator lamp will constantly flash；
6. mainboard processor of the present invention uses 16 8-digit microcontroller products, be integrated with quick A/D conversions, serial communication module and
SPI communication modules, and use vector interrupt, support more than ten individual interrupt sources, and can any nesting, with interrupt requests by CPU
Wake-up only needs 6us, and controller has powerful disposal ability, peripheral module on high performance analog technology and abundant piece, stably
Work system, convenience and high-efficiency development environment the advantages that.
Brief description of the drawings
Fig. 1 passes through main support and controller connection diagram for the present invention；
Fig. 2 is the block diagram of operation principle of the present invention.
Accompanying drawing 2 marks：
1 is displacement transducer；2 be pedal force sensor；3 be main support；4 be SD card device；5 connect for stay wire displacement sensor
Mouthful；6 be pedal force sensor interface；7 be reset key；8 be clearing button；9 be power switch；10 be power interface；11 refer to
Show lamp；12 be download program interface；13 be serial interface；14 be controller；15 be controller mainboard；16 be pedal force sensor
Mounting seat；17 be displacement sensor bracket.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is using technical solution of the present invention before
Carry and being implemented, give detailed embodiment and specific operating process, but protection scope of the present invention be not limited to it is following
Embodiment.
Embodiment
As shown in Figure 1 and Figure 2, a kind of brake feel tester, the present invention relates to a kind of brake feel tester, including
Displacement transducer, displacement sensor bracket, pedal force sensor, pedal force sensor mounting seat, controller and main support.Its
In, controller includes controller housing, controller mainboard, acceleration transducer, serial interface, SD card device, download program and connect
Mouth, pedal force sensor interface and stay wire displacement sensor interface.Controller mainboard is integrated with A/D translation functions, serial communication
Function, SPI communication functions and Interruption function etc., controller mainboard respectively with serial interface, SD card memory module, power supply
Interface, power switch, button, indicator lamp, download program interface, pedal force sensor interface, stay wire displacement sensor interface phase
Connection.Power interface is connected with special cigarette lighter power port on automobile, and serial communication module can be connected with PC ends, and data can pass
To host computer, SD card can carry out the storage of data.The present invention can easily and accurately measure brake pedal displacement, pedal force, system
Dynamic deceleration.The main support includes fixture and support frame, and main support with fast and reliable can be fixed in automobile cabin,
Pedal force sensor is installed on brake pedal by pedal force sensor mounting seat, the bracing wire head of displacement transducer and pedal
Force snesor mounting seat connects, and controller can gather the signal of displacement transducer and pedal force sensor in real time, can pass through PC ends
The data value that real-time display is currently measured, convenient use person's observation, data can also be stored by SD card, facilitate the later stage
Carry out data processing.
Wherein, the serial interface, power interface, button, power switch, indicator lamp, download program interface are positioned at control
Immediately ahead of device shell, the controller mainboard is located at shell centre position, and the acceleration transducer is located on controller mainboard,
The SD card device, pedal force sensor interface and stay wire displacement sensor interface are located at shell dead astern.
Wherein, support frame as described above is spliced by square stainless steel, and support frame end is rubber, and the firmware includes spiral shell
Bolt, VELCRO and band.
The present invention is applied to the units such as the scientific research institution, research and development centre, automobile manufacturing company of category motor vehicle relevant speciality, is
It is engaged in the indispensable Special experimental equipment of technical research, performance test, the product quality of automobile.The present invention can meet a large amount of engineerings
On application, compared with prior art, the present invention have small volume, simple and reliable for structure, cost is cheap, it is versatile, measurement
Conveniently, the advantages that measurement accuracy is high, in that context it may be convenient to apply and dependence test is carried out on different types of vehicle.
Claims (8)
- A kind of 1. brake feel tester, it is characterised in that：Including displacement transducer（1）, displacement sensor bracket（17）, pedal Force snesor（2）, pedal force sensor mounting seat（16）, controller（14）And main support（3）；Institute's displacement sensors（1）It is logical Cross displacement sensor bracket（17）Installed in main support（3）On；The pedal force sensor（2）Installed by pedal force sensor Seat（16）It is installed on brake pedal;Displacement transducer（1）Bracing wire head and pedal force sensor mounting seat（16）Connection, or Person's displacement transducer（1）Bracing wire head be connected directly between on brake pedal；Controller（14）Displacement transducer can be gathered in real time （1）And pedal force sensor（2）Signal, the data of collection can be directly stored in storage device, can also be by communication side Formula is sent to data display storage terminal.
- A kind of 2. brake feel tester according to claim 1, it is characterised in that：An acceleration can also be integrated to pass Sensor, longitudinal plus/minus speed of automobile is detected in real time, the data detected, which directly can also store or be sent to data and show, deposits Store up terminal.
- A kind of 3. brake feel tester according to claim 1, it is characterised in that：Displacement sensor bracket（17）Peace Holding position and angle can be with quick regulations;Displacement transducer（1）Bracing wire and brake pedal face it is vertical or near vertical.
- A kind of 4. brake feel tester according to claim 1, it is characterised in that：Pedal force sensor mounting seat（16） With adjusting apparatus, can be reliably mounted on different size of brake pedal face.
- A kind of 5. brake feel tester according to claim 1, it is characterised in that：Main support（3）Can be with fast and reliable Ground is fixed in automobile cabin；Quick fixed solution includes：Main support（3）Car steering Ceiling is bonded at by VELCRO On, or main support（3）By magnet adsorption on car steering Ceiling.
- A kind of 6. brake feel tester according to claim 1, it is characterised in that：The storage device includes being integrated in Controller（14）In SD card, USB flash disk, storage chip, hard disk, CD；Data display storage terminal include computer, mobile phone, Cloud Server, the memory with communication function.
- A kind of 7. brake feel tester according to claim 1, it is characterised in that：Brake feel tester is arranged on and treated , can be with automatic detection displacement transducer after measuring car is upper（1）, pedal force sensor（2）, acceleration transducer initial value, And carry out automatic clear.
- A kind of 8. brake feel tester according to claim 1, it is characterised in that：The work electricity of brake feel tester Source is the battery or vehicle power carried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710975688.9A CN107576514A (en) | 2017-10-20 | 2017-10-20 | A kind of automobile brake sensory test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710975688.9A CN107576514A (en) | 2017-10-20 | 2017-10-20 | A kind of automobile brake sensory test instrument |
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| CN107576514A true CN107576514A (en) | 2018-01-12 |
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| CN201710975688.9A Pending CN107576514A (en) | 2017-10-20 | 2017-10-20 | A kind of automobile brake sensory test instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307494A (en) * | 2018-09-19 | 2019-02-05 | 陕西飞机工业（集团）有限公司 | A kind of aircraft handling pedal horizontal displacement measurement tool and its measurement method |
| CN110231178A (en) * | 2019-06-10 | 2019-09-13 | 北京汽车集团越野车有限公司 | A kind of test device of brake pedal feel |
| CN111220392A (en) * | 2020-01-19 | 2020-06-02 | 中汽研汽车检验中心(宁波)有限公司 | Test system and test method for automobile brake feeling test |
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| CN101221091A (en) * | 2007-01-12 | 2008-07-16 | 通用汽车环球科技运作公司 | Pedal travel audit system |
| CN102494888A (en) * | 2011-11-28 | 2012-06-13 | 浙江吉利汽车研究院有限公司 | Evaluation device of clutch pedal performance and evaluation method by utilizing device |
| CN103792096A (en) * | 2014-02-27 | 2014-05-14 | 上海西派埃自动化仪表工程有限责任公司 | Portable brake performance tester with embedded electronic gyroscope and test method |
| CN104266785A (en) * | 2014-10-22 | 2015-01-07 | 济南易恒技术有限公司 | Pedal effort detector |
| CN204788920U (en) * | 2015-06-17 | 2015-11-18 | 福建蓝海汽车技术有限公司 | Static power displacement fixing device |
| CN106840709A (en) * | 2017-03-27 | 2017-06-13 | 宁波吉利汽车研究开发有限公司 | It is a kind of for vehicle subjective assessment and the test-bed of static test |
| CN207456785U (en) * | 2017-10-20 | 2018-06-05 | 上海同驭汽车科技有限公司 | A kind of automobile brake sensory test instrument |
-
2017
- 2017-10-20 CN CN201710975688.9A patent/CN107576514A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101221091A (en) * | 2007-01-12 | 2008-07-16 | 通用汽车环球科技运作公司 | Pedal travel audit system |
| CN102494888A (en) * | 2011-11-28 | 2012-06-13 | 浙江吉利汽车研究院有限公司 | Evaluation device of clutch pedal performance and evaluation method by utilizing device |
| CN103792096A (en) * | 2014-02-27 | 2014-05-14 | 上海西派埃自动化仪表工程有限责任公司 | Portable brake performance tester with embedded electronic gyroscope and test method |
| CN104266785A (en) * | 2014-10-22 | 2015-01-07 | 济南易恒技术有限公司 | Pedal effort detector |
| CN204788920U (en) * | 2015-06-17 | 2015-11-18 | 福建蓝海汽车技术有限公司 | Static power displacement fixing device |
| CN106840709A (en) * | 2017-03-27 | 2017-06-13 | 宁波吉利汽车研究开发有限公司 | It is a kind of for vehicle subjective assessment and the test-bed of static test |
| CN207456785U (en) * | 2017-10-20 | 2018-06-05 | 上海同驭汽车科技有限公司 | A kind of automobile brake sensory test instrument |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307494A (en) * | 2018-09-19 | 2019-02-05 | 陕西飞机工业（集团）有限公司 | A kind of aircraft handling pedal horizontal displacement measurement tool and its measurement method |
| CN110231178A (en) * | 2019-06-10 | 2019-09-13 | 北京汽车集团越野车有限公司 | A kind of test device of brake pedal feel |
| CN111220392A (en) * | 2020-01-19 | 2020-06-02 | 中汽研汽车检验中心(宁波)有限公司 | Test system and test method for automobile brake feeling test |
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Application publication date: 20180112 |
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