CN207634187U - A kind of electronic security(ELSEC) accelerator device - Google Patents
A kind of electronic security(ELSEC) accelerator device Download PDFInfo
- Publication number
- CN207634187U CN207634187U CN201721818919.7U CN201721818919U CN207634187U CN 207634187 U CN207634187 U CN 207634187U CN 201721818919 U CN201721818919 U CN 201721818919U CN 207634187 U CN207634187 U CN 207634187U
- Authority
- CN
- China
- Prior art keywords
- sensor
- pedal
- control unit
- elsec
- accelerator device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The utility model discloses a kind of electronic security(ELSEC) accelerator devices, including pedal, pedal is connect by connecting pivot pin with ground connection pedestal, the center back of pedal is provided with resetting spring, sensor is provided at resetting spring, sensor is used to acquire the acceleration of driver's pushes pedals, and sensor is connect by plug connector with vehicle-mounted electronic control unit, and air throttle and brake pedal are controlled by electronic control unit.The utility model safe accelerator device can allow vehicle autonomous classification driver to trample the real intention of throttle, can effectively prevent driver by gas pedal when the faulty operation behavior of brake, greatly improve the safety of driving.
Description
Technical field
The utility model belongs to technical field of vehicle safety, and in particular to a kind of electronic security(ELSEC) accelerator device.
Background technology
With the increasingly saturation of car ownership, traffic accident incidence cumulative year after year, and in case of emergency, it is many new
Hand driver is wrong in emergency situations to treat as brake pedal by throttle, so that causing serious traffic accident, seriously endangers
Social public security.In order to improve the driving safety of automobile, it is desirable to provide a kind of drive assistance device, to solve existing safety
Hidden danger.
Utility model content
The technical problem to be solved by the utility model is to the deficiencies in for the above-mentioned prior art, provide a kind of electronics
Safe accelerator device, preventing driver, mistake steps on the gas and causes traffic accident in emergency situations, improves vehicle safety.
The utility model uses following technical scheme：
A kind of electronic security(ELSEC) accelerator device, including pedal, pedal are connect by connecting pivot pin with ground connection pedestal, the back of the body of pedal
Portion is provided centrally with resetting spring, and sensor is provided at resetting spring, and sensor is used to acquire adding for driver's pushes pedals
Speed, sensor are connect by plug connector with vehicle-mounted electronic control unit, and air throttle and brake are controlled by electronic control unit
Pedal.
Specifically, being provided with signal processing system between sensor and electronic control unit, signal processing system will sense
The collected information of device is converted into electric signal, then is communicated electric signal transmission electron control unit, electronics control by CAN bus
Unit processed is used to receive electric signal and is compared with the threshold value of setting.
Further, electronic control unit is connect by servo motor with air throttle and master cylinder, and servo motor is used for
Drive air throttle and master cylinder.
Further, signal processing system includes sampling module, and sampling module is used to acquire the analog signal of sensor simultaneously
By keeping module to be sent respectively to coding module and quantization modules, coding module and quantization modules are used for time and amplitude all
Continuous analog quantity becomes all discrete digital signal of time and amplitude by A/D conversions.
Specifically, sensor is IEPE type acceleration transducers.
Further, it connects at pivot pin and is provided with resetting spring.
Compared with prior art, the utility model at least has the advantages that：
The utility model electronic security(ELSEC) accelerator device in pedal center back by being arranged sensor, when sensor transmissions
When data are far longer than the threshold value of setting, electronic control unit is according to signal processing unit processes as a result, electronic control
Unit is shut off the aperture of air throttle and is braked, and ensures traffic safety.
Further, it is provided with signal processing system between sensor and electronic control unit and converts analog signals into number
Time and all continuous analog quantity of amplitude are become all discrete digital signal of time and amplitude by word signal by A/D conversions.
Further, electronic control unit is connect by servo motor with air throttle and master cylinder, is driven by servo motor
Dynamic air throttle and master cylinder, simple in structure, connection is reliable.
Further, sensor is IEPE type acceleration transducers, IEPE types band there are one amplifier and a constant-current source,
Compact structure, low in energy consumption, strong antijamming capability, intelligence degree are high.
In conclusion the utility model safe accelerator device can allow vehicle autonomous classification driver to trample the real of throttle
It is intended to, can effectively prevent driver by gas pedal when the faulty operation behavior of brake, greatly improve the peace of driving
Quan Xing.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is the utility model electrical schematic diagram；
Fig. 2 is the utility model structure diagram；
Fig. 3 is the utility model signal processing unit flow chart of data processing figure；
Fig. 4 is the utility model electronic security(ELSEC) accelerator device flow chart.
Wherein：1. pedal；2. resetting spring；3. sensor；4. connecting pivot pin；5. being grounded pedestal；6. plug connector.
Specific implementation mode
It please refers to Fig.1 and Fig. 2, the utility model provides a kind of electronic security(ELSEC) accelerator device, including electronic accelerator pedal
1, pedal acceleration transducer 3, signal processing system, electronic control unit and air throttle, pedal 1 by sensor 3 successively with
Signal processing system is connected with electronic control unit, and electronic control unit is connected by data/address bus, servo motor with air throttle,
Acceleration of the sensor 3 for monitoring gas pedal at any time, by the real-time data transmission detected to signal processing system, warp
The data for crossing processing are further transferred to electronic control unit, and data are compared with setting value, send out by electronic control unit
Signal is controlled, gives servo motor relay by circuit, servo motor drives air throttle and master cylinder executing agency.
Pedal 1 is connect by connecting pivot pin 4 with ground connection pedestal 5, and the center back of pedal 1 is provided with resetting spring 2, sensing
Device 3 is mounted on the inside of pedal 1, and at resetting spring 2, sensor 3 is connect with plug connector 6, and sensor 3 is driven for acquiring
The person of sailing tramples the acceleration of gas pedal, 3 connection signal processing system of sensor, and signal processing system collects sensor 3
Information carry out conversion processing, be converted into capable of being electronically controlled the electric signal of unit identification, then by CAN bus communication by information
It is transferred to electronic control unit, threshold value is set in electronic control unit to control throttle opening.
Specifically, any type, which may be used, in the acceleration transducer of electronic security(ELSEC) throttle can collect gas pedal
The sensor of acceleration transformation.Such as IEPE type acceleration transducers can be utilized, utilize the piezoelectric effect of piezoelectric sensing element
The quantity of electric charge being directly proportional to the pressure.
Referring to Fig. 3, signal processing system receives the analog signal of acquisition, then through over-sampling and after keeping, pass through respectively
It crosses coding and quantization is converted into digital signal output.
Signal processing system for obtain gas pedal acceleration change and to the processing of signal be utilize acceleration
Piezoelectric effect on sensor obtains the changing value of the quantity of electric charge, then by means such as sampling, quantization, codings, by time and amplitude
All continuous analog quantity makes it become all discrete digital signal of time and amplitude by A/D conversions.
Electronic control unit extracts the information such as the acceleration of sensor acquisition, is inputted the signal of acquisition by CAN interface
It is compared to electronic control unit ECU with threshold value, finally exports control command and control throttle opening.
Existing safe accelerator device is all based on radar and laser emitter to acquire at a distance from front truck, works as distance
When less than secure threshold, ECU actively takes brake measure, ensures traffic safety, and when automobile encounters hollow place or steep cliff
When, this device will fail, referring to Fig. 4, the utility model electronic security(ELSEC) accelerator device specific working mode is as follows：
When driver is in case of emergency, dynamics when gas pedal mistake is trampled as brake pedal and speed
The dynamics and speed that gas pedal is trampled when being all far longer than normally travel set the threshold of electronic control unit as boundary
Value.
When the signal that signal processing unit transmits is more than the threshold value of electronic control unit setting, electronic control unit control
Air throttle is closed, so that gas pedal is temporarily in failure state, while vehicle ECU takes braking to arrange by active brake system
It applies, to ensure traffic safety, within the scope of the signal that signal processing unit transmits is in normal, electronic control unit is normal
Throttle opening is controlled, ensures normally travel.
The above content is only to illustrate the technological thought of the utility model, and the protection model of the utility model cannot be limited with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical solution each falls within this reality
Within protection domain with novel claims.
Claims (6)
1. a kind of electronic security(ELSEC) accelerator device, which is characterized in that including pedal (1), pedal (1) is by connecting pivot pin (4) and connecing
Ground pedestal (5) connects, and the center back of pedal (1) is provided with resetting spring (2), and resetting spring is provided with sensor at (2)
(3), sensor (3) is used to acquire the acceleration of driver's pushes pedals (1), and sensor (3) passes through plug connector (6) and vehicle mounted electric
Sub-control unit connects, and air throttle and brake pedal are controlled by electronic control unit.
2. a kind of electronic security(ELSEC) accelerator device according to claim 1, which is characterized in that sensor (3) and electronic control
Signal processing system is provided between unit, sensor (3) collected information is converted into electric signal by signal processing system, then
By CAN bus communication by electric signal transmission electron control unit, electronic control unit is for receiving electric signal and and setting
Threshold value be compared.
3. a kind of electronic security(ELSEC) accelerator device according to claim 2, which is characterized in that electronic control unit passes through servo
Motor is connect with air throttle and master cylinder, and servo motor is for driving air throttle and master cylinder.
4. a kind of electronic security(ELSEC) accelerator device according to claim 2, which is characterized in that signal processing system includes sampling
Module, sampling module are used to acquire the analog signal of sensor and by keeping module to be sent respectively to coding module and quantization mould
Block, coding module and quantization modules are used to time and all continuous analog quantity of amplitude becoming time and amplitude by A/D conversions
All discrete digital signal.
5. a kind of electronic security(ELSEC) accelerator device according to claim 1, which is characterized in that sensor (3) is that IEPE types add
Velocity sensor.
6. a kind of electronic security(ELSEC) accelerator device according to claim 1, which is characterized in that be provided at connection pivot pin (4)
Resetting spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721818919.7U CN207634187U (en) | 2017-12-22 | 2017-12-22 | A kind of electronic security(ELSEC) accelerator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721818919.7U CN207634187U (en) | 2017-12-22 | 2017-12-22 | A kind of electronic security(ELSEC) accelerator device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634187U true CN207634187U (en) | 2018-07-20 |
Family
ID=62853928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721818919.7U Expired - Fee Related CN207634187U (en) | 2017-12-22 | 2017-12-22 | A kind of electronic security(ELSEC) accelerator device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488465A (en) * | 2018-11-30 | 2019-03-19 | 奇瑞汽车股份有限公司 | Accelerator control method and device |
-
2017
- 2017-12-22 CN CN201721818919.7U patent/CN207634187U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488465A (en) * | 2018-11-30 | 2019-03-19 | 奇瑞汽车股份有限公司 | Accelerator control method and device |
| CN109488465B (en) * | 2018-11-30 | 2020-08-04 | 奇瑞汽车股份有限公司 | Throttle control method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180720 Termination date: 20181222 |