CN206265022U - Anxious pine accelerator pedal brakes - Google Patents
Anxious pine accelerator pedal brakes Download PDFInfo
- Publication number
- CN206265022U CN206265022U CN201621247484.0U CN201621247484U CN206265022U CN 206265022 U CN206265022 U CN 206265022U CN 201621247484 U CN201621247484 U CN 201621247484U CN 206265022 U CN206265022 U CN 206265022U
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- Prior art keywords
- accelerator pedal
- controller
- triode
- input
- sensor
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Abstract
The utility model provides a kind of anxious pine accelerator pedal brakes, including controller, the first input end of controller is connected with the output end of change rate signal analysis module, the input of change rate signal analysis module is connected with the signal output part of accelerator pedal position sensor, second input of controller is connected with the signal output part of pressure sensor group, 3rd input of controller is connected with the signal output part of vehicle speed sensor, 4th input of controller is connected with the signal output part of photoelectric sensor, first output end of controller is connected with the control end of braking drive module；First pressure sensor is installed in the foot-operated face of accelerator pedal, and photoelectric sensor is installed in the edge of foot-operated face, and near brake pedal；The state that controller passes through the anxious pine accelerator pedal of judgement, auxiliary driver brake before its brake pedal of not stepping on to automobile, so as to reduce the brake reaction time of driver, improves the security of running car.
Description
Technical field
The present invention relates to vehicle braking control technical field, and in particular to a kind of anxious pine accelerator pedal brakes.
Background technology
Find that dangerous situation produces sufficiently large brake force needs one to brake pedal from driver during automobile emergency brake
Section time, i.e. brake reaction time, the distance that automobile passes through in this time are called reaction distance.General driving when system
Dynamic pedal and accelerator pedal are all controlled by the right crus of diaphragm of driver, and right crus of diaphragm needs first to be lifted again from accelerator pedal when brake hard
Brake pedal, result in brake hard, and the brake reaction time of driver is significantly greater than the psychoreaction time.
Existing automobile assistant braking system is an a kind of technology for reducing brake reaction time, and it can be by judging
The braking maneuver of driver, indicating brake action is increased in brake hard automatically, so as to braking distance be shortened.This technology can only
Reduce the brake pedal time and reduce brake reaction time, but driver's right crus of diaphragm could not be efficiently solved loosen acceleration and step on
Plate time delays problem during brake pedal again.
The content of the invention
For defect of the prior art, the present invention provides a kind of right crus of diaphragm that reduces and loosens accelerator pedal brake pedal again
The anxious pine accelerator pedal brakes of braking time.
A kind of anxious pine accelerator pedal brakes, it is critical only that：Including controller, the first input end of the controller
Output end with change rate signal analysis module is connected, the input and accelerator pedal position of the change rate signal analysis module
The signal output part of sensor is connected, and the second input of the controller is connected with the signal output part of pressure sensor group,
3rd input of the controller is connected with the signal output part of vehicle speed sensor, the 4th input and light of the controller
The signal output part of electric transducer is connected, and the first output end of the controller is connected with the control end of braking drive module；
The pressure sensor group includes first pressure sensor, and the first pressure sensor is installed in accelerator pedal
Lower section, the pressure for detecting heel；The photoelectric sensor is installed in the foot-operated face edge of the accelerator pedal, and near system
Dynamic pedal.
Principle of the invention：Accelerator pedal position sensor is calculated in unit millisecond by change rate signal analysis module
Interior variable signal, current vehicle speed is detected by vehicle speed sensor, when the variable signal of accelerator pedal position sensor is more than the
One setting value, judges to drive artificial anxious pine accelerator pedal, and subsequent photoelectric sensor is blocked, and judges the anxious pine accelerator pedal of driver
Afterwards and it is intentional trample brake pedal, when speed is more than the second setting value, judge driver need brake hard, now, control
Device control braking drive module processed is braked to automobile, so as to aid in driver to enter before driver does not step on brake pedal
Row braking, shortens braking distance.
More preferably to realize the present invention, may further be：
The change rate signal analysis module includes amplifying circuit, amplification and rectification circuit and processor, the amplifying circuit
Including triode Q1, the colelctor electrode of the triode Q1 is connected after resistance R1 with power supply, grounded emitter, and base stage adds with described
Speed pedal position sensor is connected, and bridging has resistance R2 between the base stage and the power supply of the triode Q1；
The amplification and rectification circuit includes base stage and the triode of triode Q2 and triode Q3, the triode Q2
The colelctor electrode of Q1 is connected, and colelctor electrode is connected after resistance R3 with the power supply, grounded emitter；The base stage warp of the triode Q3
Colelctor electrode after electric capacity C1 with the triode Q2 is extremely connected, and colelctor electrode is connected after resistance R4 with the power supply, and emitter stage connects
Ground, the common port of the triode Q3 and resistance R4 is connected with the input of the processor；The triode Q3 and electric capacity C1
Common port be connected with the power supply after resistance R5；So, amplify by by the signal of accelerator pedal position sensor, improve
The judgement precision of change rate signal analysis module, it is to avoid misoperation.
The braking drive module includes accumulator, hydraulic pump, wheel cylinder and centrifugation cylinder, and the hydraulic pump enters
Mouth is communicated with the oil-out of accumulator, and the outlet of the hydraulic pump is successively through check valve, energy storage canister, overflow valve and the first magnetic valve
Two oil inlets respectively with the wheel cylinder and centrifugation cylinder are communicated afterwards, and the two of the wheel cylinder and centrifugation cylinder
Oil inlet of the individual oil-out with the accumulator after the second magnetic valve is communicated；Second output end of the controller with it is described
First magnetic valve is connected, and the 3rd output end of the controller is connected, it is necessary to during brake hard with second magnetic valve, and first
Electromagnetism valve events, high-pressure oil flow enters wheel cylinder and centrifugation cylinder, and wheel cylinder is braked to wheel, and centrifugation cylinder is made
For clutch linkage and clutch is set to be changed into released state；When the second electromagnetism valve events, wheel cylinder and separation are made
Accumulator is returned under the action of the spring with the hydraulic oil in cylinder, and braking drive module is closed.
The accelerator pedal position sensor is contactless accelerator pedal position sensor, contactless accelerator pedal position
The signal for putting sensor is more stable.
The pressure sensor group includes second pressure sensor, and the second pressure sensor is installed in the braking and steps on
In the foot-operated face of plate, the signal output part of the second pressure sensor is connected with the 5th input of the controller, when
When the pressure of two pressure sensors reaches three setting values, driver's intervention braking is represented, close braking drive module.
Second output end of the controller is connected with the signal input part of voice module, for being hidden for a long time as driver
Be in the light electric transducer, or first pressure sensor and photoelectric sensing are while when having effect, be judged to that driver covers photoelectric transfer by mistake
Sensor, voice reminder is carried out by voice module.
Beneficial effects of the present invention are：The state that controller passes through the anxious pine accelerator pedal of judgement, and according to speed and photoelectricity
The on off state of sensor, judges whether driver needs to be braked, and driver is before its brake pedal of not stepping on for auxiliary
Automobile is braked, so as to reduce the brake reaction time of driver, the security of running car is improved, it is ensured that person peace
Entirely.
Brief description of the drawings
Fig. 1 shows circuit block diagram of the invention；
Fig. 2 shows the schematic view of the mounting position of first pressure sensor of the present invention；
Fig. 3 shows the schematic view of the mounting position of accelerator pedal position sensor of the present invention；
Fig. 4 shows the circuit diagram of change rate signal analysis module of the present invention；
Fig. 5 shows the structural representation of present invention braking drive module.
In accompanying drawing, 1- accumulators；2- hydraulic pumps；3- check valves；The magnetic valves of 4- first；5- energy storage canisters；6- wheel cylinders；
7- centrifugation cylinders；The magnetic valves of 8- second；9- overflow valves；11- clutch pedals；12- brake pedals；13- photoelectric sensors；
14- accelerator pedals；15- first pressure sensors；16- accelerator pedal position sensors.
Specific embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Technical scheme is clearly illustrated, therefore is intended only as example, and protection of the invention can not be limited with this
Scope.
As shown in Figure 1 to Figure 3：A kind of anxious pine accelerator pedal brakes, including controller, the first input end of controller
Output end with change rate signal analysis module is connected, and input and the accelerator pedal position of change rate signal analysis module are sensed
The signal output part of device 16 is connected, and the second input of controller is connected with the signal output part of pressure sensor group, controller
The 3rd input be connected with the signal output part of vehicle speed sensor, the 4th input of controller and the letter of photoelectric sensor 13
Number output end is connected, and the first output end of controller is connected with the control end for braking drive module, the second output end of controller
It is connected with the first magnetic valve 4, the 3rd output end of controller is connected with the second magnetic valve 8, the 4th output end and language of controller
The signal input part of sound module is connected；Accelerator pedal position sensor 16 is contactless accelerator pedal position sensor；
Pressure sensor group includes first pressure sensor 15 and second pressure sensor, and first pressure sensor 15 is fixed
In the lower section of accelerator pedal 14, when driver's stepping on accelerator pedal 14, first pressure sensor 15 is located at driver's heel, is used
In the pressure of detection heel；Photoelectric sensor 13 is installed in the edge of the foot-operated face of accelerator pedal 14, and near brake pedal 12；The
Two pressure sensors are installed in the foot-operated face of brake pedal 12, wherein, the specific size of first pressure sensor 15 is
150mm*100mm*2mm, for detecting the pressure in 150mm*100mm areas；Clutch pedal 11 is arranged on brake pedal 12
Left side.
As shown in Figure 4：Change rate signal analysis module includes amplifying circuit, amplification and rectification circuit and processor, locates here
Reason device uses chip, and amplifying circuit includes triode Q1, and the colelctor electrode of triode Q1 is connected after resistance R1 with power supply, emitter stage
Ground connection, base stage is connected after resistance R8 with accelerator pedal position sensor 16, and being bridged between the base stage and power supply of triode Q1 has
Resistance R2；
Amplification and rectification circuit includes triode Q2 and triode Q3, the base stage of triode Q2 after resistance R7 with triode Q1
Colelctor electrode be connected, colelctor electrode is connected after resistance R3 with power supply, grounded emitter, and the common port of triode Q2 and resistance R6 is passed through
It is grounded after resistance R6；Colelctor electrode of the base stage of triode Q3 with triode Q2 after electric capacity C1 is connected, and colelctor electrode is after resistance R4
It is connected with power supply, grounded emitter；The common port of triode Q3 and resistance R4 is connected with the input of processor, processor it is defeated
It is the output end of change rate signal analysis module to go out end；The common port of triode Q3 and electric capacity C1 after resistance R5 with power supply phase
Even, wherein supply voltage is direct current 5V.
As shown in Figure 5：Braking drive module includes accumulator 1, hydraulic pump 2, wheel cylinder 6 and centrifugation cylinder 7, hydraulic pressure
The import of pump 2 is communicated with the oil-out of accumulator 1, and the outlet of hydraulic pump 2 is successively through check valve 3, energy storage canister 5, overflow valve 9 and
Two oil inlets after one magnetic valve 4 respectively with wheel cylinder 6 and centrifugation cylinder 7 are communicated, wheel cylinder 6 and centrifugation cylinder
7 two oil-outs are communicated after the second magnetic valve 8 with the oil inlet of accumulator 1.
The present invention is so work by taking the contactless accelerator pedal position sensor of Toyota sedan system as an example：By noncontact
The action of voltage change between two joints of formula accelerator pedal position sensor to judge accelerator pedal changes, accelerator pedal
Voltage change between the joint of position sensor two is in 1.6V-4.0V, and the deeper magnitude of voltage of degree that accelerator pedal is stepped on is higher, letter
, by after voltage amplification, the excursion of voltage is in 4.8V-12V, the negative sense rate of change model of unit millisecond for number rate of change analysis module
It is 0 to -0.01 to enclose, and when rate of change is between -0.01 to -0.006, and the pressure value of first pressure sensor is less than setting
During value, judge to drive artificial anxious pine accelerator pedal state, when now, speed, more than 60km/h, while photoelectric sensor is acted, is entered
One step judges driver in the state of running at high speed, and wants to carry out brake hard, and controller controls braking drive module to move immediately
Make, so as to be braked to automobile；Then, releasing braking has a two ways, and one is automatic after braking drive module action 0.5s
Release braking, two when being that the pressure value of second pressure sensor reaches setting value, judges driver's intervention braking, releases braking and drives
The braking effect of dynamic model block；Wherein it is worth noting that, accelerator pedal position sensor voltage negative sense rate of change reflection be
Acceleration during the anxious pine of accelerator pedal, by judging acceleration magnitude during the anxious pine of accelerator pedal, as whether determining driver
The condition of brake hard is intended for, this judgment mode is more accurate.
Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although with reference to foregoing each reality
Example is applied to be described in detail the present invention, it will be understood by those within the art that：It still can be to foregoing each
Technical scheme described in embodiment is modified, or carries out equivalent to which part or all technical characteristic；And
These modifications are replaced, and do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution, its
All should cover in the middle of the scope of claim of the invention and specification.
Claims (6)
1. a kind of anxious pine accelerator pedal brakes, it is characterised in that：Including controller, the first input end of the controller with
The output end of change rate signal analysis module is connected, and input and the accelerator pedal position of the change rate signal analysis module are passed
The signal output part of sensor is connected, and the second input of the controller is connected with the signal output part of pressure sensor group, institute
The 3rd input for stating controller is connected with the signal output part of vehicle speed sensor, the 4th input and photoelectricity of the controller
The signal output part of sensor is connected, and the first output end of the controller is connected with the control end of braking drive module；
The pressure sensor group includes first pressure sensor, and the first pressure sensor is installed under accelerator pedal
Side, the pressure for detecting heel；The photoelectric sensor is installed in the foot-operated face edge of the accelerator pedal, and near braking
Pedal.
2. anxious pine accelerator pedal brakes according to claim 1, it is characterised in that：The change rate signal analyzes mould
Block includes amplifying circuit, amplification and rectification circuit and processor, and the amplifying circuit includes triode Q1, the collection of the triode Q1
Electrode is connected after resistance R1 with power supply, grounded emitter, and base stage is connected with the accelerator pedal position sensor, three pole
Bridging has resistance R2 between the base stage of pipe Q1 and the power supply；
The amplification and rectification circuit includes triode Q2 and triode Q3, and the base stage of the triode Q2 is with the triode Q1's
Colelctor electrode is connected, and colelctor electrode is connected after resistance R3 with the power supply, grounded emitter；The base stage of the triode Q3 is through electric capacity
Colelctor electrode after C1 with the triode Q2 is connected, and colelctor electrode is connected after resistance R4 with the power supply, grounded emitter；It is described
The common port of triode Q3 and resistance R4 is connected with the input of the processor；The common port of the triode Q3 and electric capacity C1
It is connected with the power supply after resistance R5.
3. anxious pine accelerator pedal brakes according to claim 1, it is characterised in that：The braking drive module includes
Accumulator, hydraulic pump, wheel cylinder and centrifugation cylinder, the import of the hydraulic pump are communicated with the oil-out of the accumulator,
The outlet of the hydraulic pump successively after check valve, energy storage canister, overflow valve and the first magnetic valve respectively with the wheel cylinder and
Two oil inlets of centrifugation cylinder are communicated, and two oil-outs of the wheel cylinder and centrifugation cylinder are through the second magnetic valve
The oil inlet with the accumulator is communicated afterwards；
Second output end of the controller is connected with first magnetic valve, the 3rd output end of the controller and described
Two magnetic valves are connected.
4. anxious pine accelerator pedal brakes according to claim 1, it is characterised in that：The accelerator pedal position sensing
Device is contactless accelerator pedal position sensor.
5. anxious pine accelerator pedal brakes according to claim 1, it is characterised in that：The pressure sensor group is also wrapped
Second pressure sensor is included, the second pressure sensor is installed in the foot-operated face of the brake pedal, the second pressure
The signal output part of sensor is connected with the 5th input of the controller.
6. anxious pine accelerator pedal brakes according to claim 1, it is characterised in that：4th output of the controller
End is connected with the signal input part of voice module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621247484.0U CN206265022U (en) | 2016-11-17 | 2016-11-17 | Anxious pine accelerator pedal brakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621247484.0U CN206265022U (en) | 2016-11-17 | 2016-11-17 | Anxious pine accelerator pedal brakes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206265022U true CN206265022U (en) | 2017-06-20 |
Family
ID=59041168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621247484.0U Expired - Fee Related CN206265022U (en) | 2016-11-17 | 2016-11-17 | Anxious pine accelerator pedal brakes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206265022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109817056A (en) * | 2019-01-30 | 2019-05-28 | 北京津发科技股份有限公司 | Driving behavior data acquisition device and assessment device based on vehicle drive |
-
2016
- 2016-11-17 CN CN201621247484.0U patent/CN206265022U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109817056A (en) * | 2019-01-30 | 2019-05-28 | 北京津发科技股份有限公司 | Driving behavior data acquisition device and assessment device based on vehicle drive |
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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: 20170620 Termination date: 20181117 |