CN108032849A - A kind of method of work of the accelerator stepping misoperation preventing safety device of vehicle - Google Patents
A kind of method of work of the accelerator stepping misoperation preventing safety device of vehicle Download PDFInfo
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- CN108032849A CN108032849A CN201711425240.6A CN201711425240A CN108032849A CN 108032849 A CN108032849 A CN 108032849A CN 201711425240 A CN201711425240 A CN 201711425240A CN 108032849 A CN108032849 A CN 108032849A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/0098—Details of control systems ensuring comfort, safety or stability not otherwise provided for
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
- Regulating Braking Force (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
A kind of method of work of the accelerator stepping misoperation preventing safety device of vehicle, including fuel tank, filter, hydraulic pump, safety valve, stopping brake valve, shut-down hydraulic cylinder, parking brake, gas bag, block selecting reversal valve and gear-selecting cylinder, further include throttle control mechanism, master controller, electromagnetic gas valve, the gentle air control valve of Pneumatical hydraulic value, the throttle control mechanism and electromagnetic gas valve are electrically connected with master controller, P mouthfuls of the air inlet of the electromagnetic gas valve is connected with gas bag, A mouthfuls of the execution mouth of electromagnetic gas valve is connected by two gas passages with K mouthfuls of the gas control mouth of K mouthfuls of gentle air control valves of gas control mouth of Pneumatical hydraulic value respectively, the Pneumatical hydraulic value is arranged on the oily passage of the execution A mouthfuls of rod chambers to shut-down hydraulic cylinder of mouth of stopping brake valve, the gas control air valve is arranged on the gas passage of the execution B mouthfuls of rod chambers to gear selecting cylinder of mouth of gear selecting reversal valve.The accelerator stepping misoperation preventing safety device of the vehicle of the present invention can make vehicle during driver fault misstepping on accelerator automatically switch to neutral gear and automatic handle brake.
Description
Technical field
The present invention relates to a kind of vehicle, the method for work of the accelerator stepping misoperation preventing safety device of more particularly to a kind of vehicle.
Background technology
With the development of the social economy, more and more people buy vehicle, when driver drives in case of emergency, to pass through
Often someone will that gas pedal treated as brake pedal by mistake, misoperation accelerator pedal and vehicle is accelerated suddenly, traffic accident occurs
Phenomenon is more and more.Many examples are had occurred that on present society because driver fault misstepping on accelerator pedal causes vehicle suddenly to accelerate to hit
People, collides, and vehicle can automatically switch to sky when hitting the major traffic accidents of thing, therefore designing a kind of driver fault misstepping on accelerator pedal
Keep off and the accelerator stepping misoperation preventing safety device of the vehicle of automatic handle brake is extremely important.
The content of the invention
The object of the present invention is to provide vehicle during a kind of driver fault misstepping on accelerator pedal can automatically switch to neutral gear and automatic
The method of work of the accelerator stepping misoperation preventing safety device of the vehicle to pull the hand brake.
To achieve these goals, the technical scheme is that：
A kind of accelerator stepping misoperation preventing safety device of vehicle, including fuel tank, filter, hydraulic pump, safety valve, stopping brake valve, stop
Car hydraulic cylinder, parking brake, gas bag, block selecting reversal valve and gear-selecting cylinder, the parking brake include movable plate and stationary plate,
The piston rod of the shut-down hydraulic cylinder is fixedly connected with the movable plate of parking brake, and the oil inlet of the hydraulic pump passes through filter
Connected with fuel tank, the oil outlet of hydraulic pump is connected with the oil inlet P mouth of stopping brake valve, the air inlet P of the gear selecting reversal valve
Mouth is connected with gas bag, and A mouthfuls of the execution mouth of gear selecting reversal valve is connected with the rodless cavity of gear selecting cylinder, and the safety valve is arranged on hydraulic pressure
On the oil outlet of pump to the oily passage of fuel tank, its innovative point is：
Further include the gentle air control valve of throttle control mechanism, master controller, electromagnetic gas valve, Pneumatical hydraulic value, the throttle control machine
Structure and electromagnetic gas valve are electrically connected with master controller, and P mouthfuls of the air inlet of the electromagnetic gas valve is connected with gas bag, and electromagnetic gas valve is held
A mouthfuls of row mouth is connected by two gas passages with K mouthfuls of the gas control mouth of K mouthfuls of gentle air control valves of gas control mouth of Pneumatical hydraulic value respectively, described
The oil inlet P mouth of Pneumatical hydraulic value connects for A mouthfuls with the execution mouth of stopping brake valve, and A mouthfuls of the execution mouth of Pneumatical hydraulic value is with stopping
The rod chamber connection of hydraulic cylinder, P mouthfuls of the air inlet of the gas control air valve perform B mouthfuls of mouth with gear selecting reversal valve and connect, gas control air valve
A mouthfuls of execution mouth connected with the rod chamber of gear selecting cylinder.
The throttle control mechanism includes throttle master cylinder, accelerator pedal mechanism, lubricating cup, throttle hydraulic cylinder and flow sensing
Device, the piston rod of the throttle master cylinder are fixedly connected with the first gas pedal of accelerator pedal mechanism, the lubricating cup and throttle master
The rodless cavity of cylinder connects and setting height(from bottom) of the lubricating cup on vehicle is higher than setting height(from bottom) of the throttle master cylinder on vehicle, the throttle
The rodless cavity of master cylinder is connected with the inlet of the flow sensor of control mechanism, liquid outlet and the throttle hydraulic cylinder of flow sensor
Rod chamber connection, and the flow sensor of control mechanism is electrically connected with master controller, when the letter that flow sensor measurement obtains
Number value be more than master controller in preset value, main controller controls electromagnetic gas valve be powered, the piston rod of the throttle hydraulic cylinder
It is fixedly connected with the accelerator rod of engine.
The throttle control mechanism includes efp, the first close switch and the second close switch, the throttle
The displacement sensor of the efp of control mechanism, first are electrically connected close to switch and second close to switch with master controller
Connect, first starts the position of action close to switch installed in the second gas pedal that can sense efp, and second connects
Nearly switch, which is installed on, can sense the position that the second gas pedal of efp is floored, and first arrives close to inductive switching
Second gas pedal）When starting action inductive signal is sent to master controller, the timer in master controller starts timing, and second
Inductive signal is sent to master controller, the timer in master controller when flooring close to inductive switching to the second gas pedal
When terminate, be less than setting time when timer, main controller controls electromagnetic gas valve is powered, and the master controller is saved with driving
The servomotor of gas valve executing mechanism is electrically connected.
Its method of work is：（1）Since the first gas pedal of driver fault misstepping on accelerator control mechanism or the second throttle are stepped on
During plate, main controller controls electromagnetic gas valve is powered, and P mouthfuls of the air inlet of electromagnetic gas valve is communicated with performing mouth A, the pressure gas in gas bag
Body enters K mouthfuls of the gas control mouth of Pneumatical hydraulic value, and A mouthfuls of the execution mouth of such Pneumatical hydraulic value is communicated with fuel tank, in shut-down hydraulic cylinder
Pressure oil oil return box, shut-down hydraulic cylinder under spring force by piston rod drive parking brake dynamic and static plate knot
Close, therefore vehicle just has stopping brake, i.e. vehicle automatic handle is stopped.（2）Due to the of driver fault misstepping on accelerator control mechanism
When one gas pedal or the second gas pedal, main controller controls electromagnetic gas valve is powered, and P mouthfuls of the air inlet of electromagnetic gas valve is with performing
Mouth A is communicated, and the pressed gas in gas bag enters K mouthfuls of the gas control mouth of gas control air valve, A mouthfuls of the execution mouth of gas control air valve and big gas phase
Logical, vehicle is hung on forward gear at this time under normal circumstances, i.e., gear selecting reversal valve performs A mouthfuls of mouth and communicated with air, at this moment, due to gas
Air control valve 14 performs A mouthfuls of mouth and is communicated with air, and the rod chamber of such gear-selecting cylinder 10 is communicated with rodless cavity with air, therefore car
Neutral gear is hung over, namely vehicle can automatically switch to neutral gear.
Below in conjunction with attached drawing and the embodiment provided, the present invention is further illustrated.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention one；
Fig. 2 is the schematic diagram of the embodiment of the present invention two.
Embodiment
As shown in Figure 1 and Figure 2, the accelerator stepping misoperation preventing safety device of a kind of vehicle, including fuel tank 1, filter 2, hydraulic pump 3,
Safety valve 4, stopping brake valve 5, shut-down hydraulic cylinder 6, parking brake 7, gas bag 8, block selecting reversal valve 9 and gear-selecting cylinder 10, institute
Stating parking brake 7 includes movable plate 7-1 and stationary plate 7-2, piston rod 6-1 and the parking brake 7 of the shut-down hydraulic cylinder 6
Movable plate 7-1 is fixedly connected, and the oil inlet of the hydraulic pump 3 is connected by filter 2 with fuel tank 1, the oil outlet of hydraulic pump 3 with
Stopping brake valve 5 oil inlet P mouth connection, shut-down hydraulic cylinder 6 control parking brake 7 act, the gear selecting reversal valve 9 into
P mouthfuls of gas port is connected with gas bag 8, and A mouthfuls of the execution mouth of gear selecting reversal valve 9 is connected with the rodless cavity of gear selecting cylinder 10, the safety valve 4
It is arranged on oil outlet to the oily passage of fuel tank 1 of hydraulic pump 3, its innovative point is：
The gentle air control valve 14 of throttle control mechanism 20, master controller 11, electromagnetic gas valve 12, Pneumatical hydraulic value 13 is further included, it is described
Throttle control mechanism 20 and electromagnetic gas valve 12 are electrically connected with master controller 11, P mouthfuls of the air inlet of the electromagnetic gas valve 12 and gas
The connection of bag 8, A mouthfuls of the mouth of execution of electromagnetic gas valve 12 pass through two gas passages and K mouthfuls of the gas control mouth and gas control of Pneumatical hydraulic value 13 respectively
K mouthfuls of connections of gas control mouth of air valve 14, the oil inlet P mouth of the Pneumatical hydraulic value 13 connect for A mouthfuls with the execution mouth of stopping brake valve 5
Logical, A mouthfuls of the execution mouth of Pneumatical hydraulic value 13 is connected with the rod chamber of shut-down hydraulic cylinder 6, P mouthfuls of the air inlet of the gas control air valve 14
B mouthfuls of mouth is performed with gear selecting reversal valve 9 to connect, A mouthfuls of the execution mouth of gas control air valve 14 is connected with the rod chamber of gear selecting cylinder 10.It is described
Controller 11 is PLC controller, the model Mitsubishi F × 3U or siemens PLC of controller 11.
The throttle control mechanism 20 includes throttle master cylinder 21, accelerator pedal mechanism 22, lubricating cup 23,24 and of throttle hydraulic cylinder
Flow sensor 25, the piston rod 21-1 of the throttle master cylinder 21 are fixed with the first gas pedal 22-1 of accelerator pedal mechanism 22
Connection, the lubricating cup 23 is connected with the rodless cavity of throttle master cylinder 21 and setting height(from bottom) of the lubricating cup 23 on vehicle is higher than throttle master cylinder
21 setting height(from bottom) on vehicle, the inlet of the rodless cavity of the throttle master cylinder 21 and the flow sensor 25 of control mechanism 20
Connection, flow sensor（25）Liquid outlet connected with the rod chamber of throttle hydraulic cylinder 24, and control mechanism（20）Flow pass
Sensor（25）It is electrically connected with master controller 11, when the signal value that the measurement of flow sensor 25 obtains is more than in master controller 11 in advance
Setting value, master controller 11 control electromagnetic gas valve 12 to be powered, and the piston rod of the throttle hydraulic cylinder 24 and the throttle of engine are drawn
Bar is fixedly connected.The model HQLWGY or HQLWGB of the flow sensor 25.Flow sensor 25 is used for measuring throttle
The flow signal of hydraulic oil on the rodless cavity of master cylinder 21 to the oily passage of the rod chamber of throttle hydraulic cylinder 24, and by flow sensing
Device 25 measures obtained signal and is transmitted to master controller 11, compared with preset value in master controller 11, master controller 11
Middle preset value is to throttle hydraulic pressure when stepping on the first gas pedal 22-1 under normal condition by the rodless cavity of throttle master cylinder 21
Flow signal value on the oily passage of the rod chamber of cylinder 24, the value can take an average value by test, should be stepped on when there is driver
Brake pedal and when stepping on the first gas pedal 22-1 by mistake, flow sensor 25, which measures obtained signal value, can be more than master controller 11
Middle preset value, master controller 11 control electromagnetic gas valve 12 to be powered, and electromagnetic gas valve 12 makees commutation action after being powered.
The throttle control mechanism 20 includes efp 26, first and switchs 28 close to switch 27 and second is close,
The displacement sensor 26-2 of the efp 26 of the throttle control mechanism 20, first open close to switch 27 and second is close
Close 28 to be electrically connected with master controller 11, first is installed on the second throttle that can sense efp 26 close to switch 27
Pedal 26-1 starts the position of action, and second steps on close to switch 28 installed in the second throttle that can sense efp 26
The position that plate 26-1 floors, the first close switch 27 are sensed when the second gas pedal 26-1 starts to act to master controller 11
Send inductive signal, the timer in master controller 11 starts timing, and second senses the second gas pedal 26- close to switch 28
1 sends inductive signal when flooring to master controller 11, and when timer in master controller 11 terminates, small when timer
In setting time, master controller 11 controls electromagnetic gas valve 12 to be powered, the master controller 11 and driving throttle execution mechanism
Servomotor is electrically connected.Described first belongs to switch-type sensor close to switch 27 and second close to switch 28, i.e., contactless
Switch, the first time difference for sending signal close to switch 28 close to switch 27 and second that master controller 11 obtains measurement survey
Time T is measured compared with setting time C, setting time C is when stepping on the second gas pedal 26-1 under normal condition first
The time differences for sending signal close to switch 28 close to switch 27 and second, the value can take an average value by test, when driving
When the person of sailing should touch on the brake pedal and step on the second gas pedal 26-1 by mistake, time of measuring T can be less than setting time C, at this moment main control
Device 11 controls electromagnetic gas valve 12 to be powered, and electromagnetic gas valve 12 makees commutation action after being powered.
Its method of work is：When normally trampling the second gas pedal 26-1, T >=C, the second of efp 26
Gas pedal 26-1 backs into first close to when switching 27 induction region, and timer reset is zeroed.Work as efp
26 the second gas pedal 26-1 is set by first close to switch 27 but not by second close to when switching 28, the residence time exceedes
Fix time C, and timer will stop timing and back into first in the second gas pedal 26-1 of efp 26 and approach
During the induction region of switch 27, timer reset zero.
When driver normally steps on the throttle the first gas pedal 22-1 or the second gas pedal 26-1 of control mechanism 20,
Master controller 11 will not control electromagnetic gas valve 12 to be powered, and electromagnetic gas valve 12 will not make commutation action, at this moment electromagnetic gas valve 12 into
P mouthfuls of gas port is not communicated with performing mouth A, and the pressed gas in gas bag 8 cannot enter K mouthfuls of the gas control mouth and gas control of Pneumatical hydraulic value 13
K mouthfuls of the gas control mouth of air valve 14；
At this moment the oil inlet P mouth of Pneumatical hydraulic value 13 is communicated with performing mouth A mouthfuls, and operation stopping brake valve 5, makes stopping brake valve 5
P mouths and A mouthful communicate, the pressure oil that hydraulic pump 3 exports passes through the rod chamber that stopping brake valve 5 enters shut-down hydraulic cylinder 6, stops
Hydraulic cylinder 6 overcomes movable plate 7-1 and stationary plate of the spring force by piston rod 6-1 drive parking brakes 7 under the action of pressure oil
7-2 is separated, and such vehicle does not have stopping brake.When needing stopping brake, stopping brake valve 5 is operated, makes the A of stopping brake valve 5
Mouth is communicated with fuel tank 1, and the pressure oil oil return box 1 in shut-down hydraulic cylinder 6, shut-down hydraulic cylinder 6 is under spring force by piston
Bar 6-1 drives the movable plate 7-1 of parking brake 7 to be combined with stationary plate 7-2, and such vehicle has stopping brake；
Meanwhile P mouthfuls of the air inlet of gas control air valve 14 and A mouthfuls of mouth of execution also communicate, driver operates gear selecting reversal valve 9, makes gear selecting
P mouthfuls of 9 air inlet of reversal valve is communicated with performing mouth B mouthfuls, and vehicle is hung on forward gear, makes P mouthfuls of 9 air inlet of gear selecting reversal valve with performing
Mouthfuls A mouthful communicate, and vehicle is hung in retreating gear, make mouth A mouthfuls of P mouthful of 9 air inlet of gear selecting reversal valve and execution and B mouthfuls of mouth of execution not phase
It is logical, perform A mouthfuls of mouth and B mouthfuls of mouth of execution is communicated with air, i.e., the rod chamber of gear-selecting cylinder 10 is communicated with rodless cavity with air,
Vehicle is hung in neutral gear.
When driver should touch on the brake pedal and the first gas pedal 22-1 of mis-accelerator pressing control mechanism 20 or the second throttle
During pedal 26-1, master controller 11 controls electromagnetic gas valve 12 to be powered, and electromagnetic gas valve 12 makees commutation action, at this moment electromagnetic gas valve 12
P mouthfuls of air inlet is communicated with performing mouth A, and the pressed gas in gas bag 8 enters K mouthfuls of gentle air control valves of gas control mouth of Pneumatical hydraulic value 13
K mouthfuls of 14 gas control mouth；
At this moment the oil inlet P mouth of Pneumatical hydraulic value 13 is not communicated with performing mouth A mouthfuls, A mouthfuls of the execution mouth of Pneumatical hydraulic value 13 and oil
Case 1 communicates, even if at this moment the P mouths of stopping brake valve 5 are communicated with A mouthfuls, the pressure oil that hydraulic pump 3 exports can not enter parking liquid
The rod chamber of cylinder pressure 6, the pressure oil oil return box in shut-down hydraulic cylinder 6, shut-down hydraulic cylinder 6 is under spring force by piston rod
6-1 drives the movable plate 7-1 of parking brake 7 to be combined with stationary plate 7-2, and such vehicle just has stopping brake, i.e. vehicle is automatic
Pull the hand brake；
Meanwhile A mouthfuls of the execution mouth of gas control air valve 14 is communicated with air, pedal should be touched on the brake under normal circumstances and mis-accelerator pressing controls
During the first gas pedal 22-1 of mechanism 20 or the second gas pedal 26-1, vehicle hangs over forward gear, i.e. 9 air inlet of gear selecting reversal valve
Mouthfuls P mouthful communicate with performing mouth B mouthful, and A mouthfuls of the mouth of execution of gear selecting reversal valve 9 is communicated with air, i.e. the rodless cavity of gear-selecting cylinder 10 and greatly
Gas phase is led to, and at this moment, is communicated since gas control air valve 14 performs A mouthfuls of mouth with air, i.e. the rod chamber of gear-selecting cylinder 10 is communicated with air,
So the rod chamber of gear-selecting cylinder 10 is communicated with rodless cavity with air, and vehicle hangs over neutral gear, namely vehicle can automatically switch to
Neutral gear.
Claims (3)
1. a kind of method of work of the accelerator stepping misoperation preventing safety device of vehicle, which includes fuel tank（1）, filter（2）、
Hydraulic pump（3）, safety valve（4）, stopping brake valve（5）, shut-down hydraulic cylinder（6）, parking brake（7）, gas bag（8）, block selecting changes
To valve（9）And gear-selecting cylinder（10）, the parking brake（7）Including movable plate（7-1）And stationary plate（7-2）, the parking liquid
Cylinder pressure（6）Piston rod（6-1）With parking brake（7）Movable plate（7-1）It is fixedly connected, the hydraulic pump（3）Oil inlet
Pass through filter（2）With fuel tank（1）Connection, hydraulic pump（3）Oil outlet and stopping brake valve（5）Oil inlet P mouth connection, institute
State gear selecting reversal valve（9）P mouthfuls of air inlet and gas bag（8）Connection, gear selecting reversal valve（9）A mouthfuls of execution mouth and gear selecting cylinder
（10）Rodless cavity connection, the safety valve（4）It is arranged on hydraulic pump（3）Oil outlet to fuel tank（1）Oily passage on,
Further include throttle control mechanism（20）, master controller（11）, electromagnetic gas valve（12）, Pneumatical hydraulic value（13）Gentle air control valve
（14）, the throttle control mechanism（20）And electromagnetic gas valve（12）And master controller（11）It is electrically connected, the electromagnetic gas valve
（12）P mouthfuls of air inlet and gas bag（8）Connection, electromagnetic gas valve（12）A mouthfuls of execution mouth pass through two gas passages and gas control liquid respectively
Pressure valve（13）K mouthfuls of gentle air control valves of gas control mouth（14）The connection of K mouthfuls of gas control mouth, the Pneumatical hydraulic value（13）Oil inlet P
Mouth and stopping brake valve（5）The connection of A mouthfuls of execution mouth, Pneumatical hydraulic value（13）A mouthfuls of execution mouth and shut-down hydraulic cylinder（6）Have
Rod cavity connects, the gas control air valve（14）P mouthfuls of air inlet and gear selecting reversal valve（9）Perform B mouthfuls of connections of mouth, gas control air valve（14）
A mouthfuls of execution mouth and gear selecting cylinder（10）Rod chamber connection；
Its method of work is：（1）During due to the first gas pedal of driver fault misstepping on accelerator control mechanism or the second gas pedal,
Main controller controls electromagnetic gas valve is powered, and P mouthful of the air inlet of electromagnetic gas valve is communicated with execution mouth A, the pressed gas in gas bag into
Enter K mouthfuls of the gas control mouth of Pneumatical hydraulic value, A mouthfuls of the execution mouth of such Pneumatical hydraulic value is communicated with fuel tank, the pressure in shut-down hydraulic cylinder
Power oil oil return box, the dynamic and static plate that shut-down hydraulic cylinder drives parking brake by piston rod under spring force combine,
Therefore vehicle just has stopping brake, i.e. vehicle automatic handle is stopped；（2）Due to the first oil of driver fault misstepping on accelerator control mechanism
When door pedal or the second gas pedal, main controller controls electromagnetic gas valve is powered, and P mouthfuls of the air inlet of electromagnetic gas valve is with performing mouth A
Communicate, the pressed gas in gas bag enters K mouthfuls of the gas control mouth of gas control air valve, and A mouthfuls of the execution mouth of gas control air valve is communicated with air, just
Vehicle is hung on forward gear at this time in the case of often, i.e., gear selecting reversal valve performs A mouthfuls of mouth and communicated with air, at this moment, due to gas control gas
Valve 14 performs A mouthfuls of mouth and is communicated with air, and the rod chamber of such gear-selecting cylinder 10 is communicated with rodless cavity with air, therefore vehicle is hung
Neutral gear can be automatically switched in neutral gear, namely vehicle.
2. the method for work of the accelerator stepping misoperation preventing safety device of vehicle according to claim 1, it is characterised in that：The oil
Door control mechanism（20）Including throttle master cylinder（21）, accelerator pedal mechanism（22）, lubricating cup（23）, throttle hydraulic cylinder（24）And flow
Sensor（25）, the throttle master cylinder（21）Piston rod（21-1）With accelerator pedal mechanism（22）The first gas pedal（22-
1）It is fixedly connected, the lubricating cup（23）With throttle master cylinder（21）Rodless cavity connection and lubricating cup（23）Setting height(from bottom) on vehicle
Higher than throttle master cylinder（21）Setting height(from bottom) on vehicle, the throttle master cylinder（21）Rodless cavity and control mechanism（20）Stream
Quantity sensor（25）Inlet connection, flow sensor（25）Liquid outlet and throttle hydraulic cylinder（24）Rod chamber connection,
And control mechanism（20）Flow sensor（25）With master controller（11）It is electrically connected, works as flow sensor（25）What measurement obtained
Signal value is more than master controller（11）Middle preset value, master controller（11）Control electromagnetic gas valve（12）It is powered, the throttle
Hydraulic cylinder（24）Piston rod be fixedly connected with the accelerator rod of engine.
3. the method for work of the accelerator stepping misoperation preventing safety device of vehicle according to claim 1, it is characterised in that：The oil
Door control mechanism（20）Including efp（26）, first close to switch（27）With the second close switch（28）, the oil
Door control mechanism（20）Efp（26）Displacement sensor（26-2）, first close to switch（27）It is close with second
Switch（28）And master controller（11）It is electrically connected, the first close switch（27）Installed in can sense efp（26）
The second gas pedal（26-1）Start the position of action, the second close switch（28）Installed in can sense efp
（26）The second gas pedal（26-1）The position floored, the first close switch（27）Sense the second gas pedal（26-1）
To master controller when starting to act（11）Send inductive signal, master controller（11）In timer start timing, second is close
Switch（28）Sense the second gas pedal（26-1）To master controller when flooring（11）Send inductive signal, master controller
（11）In timer when terminate, setting time, master controller are less than when timer（11）Control electromagnetic gas valve（12）
It is powered, the master controller（11）Servomotor with driving throttle execution mechanism is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711425240.6A CN108032849B (en) | 2018-03-07 | 2018-03-07 | Working method of vehicle safety device for preventing mistaken stepping on accelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711425240.6A CN108032849B (en) | 2018-03-07 | 2018-03-07 | Working method of vehicle safety device for preventing mistaken stepping on accelerator |
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| Publication Number | Publication Date |
|---|---|
| CN108032849A true CN108032849A (en) | 2018-05-15 |
| CN108032849B CN108032849B (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711425240.6A Active CN108032849B (en) | 2018-03-07 | 2018-03-07 | Working method of vehicle safety device for preventing mistaken stepping on accelerator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1035440A (en) * | 1996-07-24 | 1998-02-10 | Yoshihisa Kususe | Safety device for vehicle provided with motor |
| CN103879429B (en) * | 2014-03-28 | 2016-04-13 | 常州科研试制中心有限公司 | Vehicle parking braking and gear combined control system |
| CN106194442A (en) * | 2016-08-02 | 2016-12-07 | 朱明德 | The throttle of a kind of vehicle, gear, exhaust brake combination control method |
| CN106985665A (en) * | 2017-05-24 | 2017-07-28 | 刘冬梅 | A kind of safety device for preventing throttle to be mistakened as brake |
| CN107143541A (en) * | 2017-05-09 | 2017-09-08 | 刘剑 | The block selecting automatic traveling crane system of vehicle |
-
2018
- 2018-03-07 CN CN201711425240.6A patent/CN108032849B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1035440A (en) * | 1996-07-24 | 1998-02-10 | Yoshihisa Kususe | Safety device for vehicle provided with motor |
| CN103879429B (en) * | 2014-03-28 | 2016-04-13 | 常州科研试制中心有限公司 | Vehicle parking braking and gear combined control system |
| CN106194442A (en) * | 2016-08-02 | 2016-12-07 | 朱明德 | The throttle of a kind of vehicle, gear, exhaust brake combination control method |
| CN107143541A (en) * | 2017-05-09 | 2017-09-08 | 刘剑 | The block selecting automatic traveling crane system of vehicle |
| CN106985665A (en) * | 2017-05-24 | 2017-07-28 | 刘冬梅 | A kind of safety device for preventing throttle to be mistakened as brake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108032849B (en) | 2020-03-17 |
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