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CN108437961A - After engine misses can power brake vehicle booster brake apparatus - Google Patents

After engine misses can power brake vehicle booster brake apparatus Download PDF

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Publication number
CN108437961A
CN108437961A CN201810308371.4A CN201810308371A CN108437961A CN 108437961 A CN108437961 A CN 108437961A CN 201810308371 A CN201810308371 A CN 201810308371A CN 108437961 A CN108437961 A CN 108437961A
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CN
China
Prior art keywords
brake
valve
wheel brake
front wheel
rear wheel
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.)
Pending
Application number
CN201810308371.4A
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Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Love Education Science And Technology Co Ltd
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Changzhou Love Education Science And Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by Changzhou Love Education Science And Technology Co Ltd filed Critical Changzhou Love Education Science And Technology Co Ltd
Priority to CN201810308371.4A priority Critical patent/CN108437961A/en
Publication of CN108437961A publication Critical patent/CN108437961A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
    • B60T13/14Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)
  • Braking Systems And Boosters (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)

Abstract

After engine misses can power brake vehicle booster brake apparatus, its brake apparatus used includes arrestment mechanism, front wheel brake and rear wheel brake, the arrestment mechanism includes booster valve, brake valve, lubricating cup, repairing check valve and brake cylinder, further include gas bag, dual air brake valve, the first accumulator, the first Pneumatical hydraulic value, the second accumulator and the second Pneumatical hydraulic value, the arrestment mechanism is installed on front wheel brake and rear wheel brake respectively.The present invention carries out power brake by the way that accumulator to be used as after power source can realize engine misses, the present invention by by dual air brake valve to being set as gas channel between Pneumatical hydraulic value, the response speed of brake is set to accelerate, it is not in braking hysteresis phenomenon, the present invention when front wheel brake, rear wheel brake distance farther out when, front wheel brake and the time difference that rear wheel brake responds are relatively short, and rear service brake will not be lagged obviously, braking ability is not interfered with, is not easy to cause traffic accident.

Description

After engine misses can power brake vehicle booster brake apparatus
Technical field
The present invention relates to a kind of brake apparatus, more particularly to after engine misses can power brake vehicle booster system Dynamic device.
Background technology
As people increasingly pay close attention to conservation of natural environment, free of contamination electric vehicle at a popular direction, Due to eliminating traditional fuel engines, original vacuum booster loses vacuum and can not power brake.Chinese patent Shen Numbers 200810163260.5 a kind of hydraulic power-assisted brake device please be disclosed, using hydraulic booster instead of vacuum booster, It solves the problems, such as that because cancelling fuel engines power brake can not be carried out, but foregoing invention is by Engine driven Hydraulic Pump work Make, hydraulic pump no longer works after engine misses, cannot also generate pressure oil, therefore can not achieve and help after engine misses Dynamic braking can cause traffic accident in this way.Foregoing invention is braked using hydraulic oil, since the peak flow rate (PFR) of hydraulic oil is general No more than 6m/s, in this way when brake pedal component with a distance from brake farther out when, pressure oil acts on when brake pedal component Time to the brake cylinder of brake is longer, will appear braking hysteresis phenomenon in this way, and since general front wheel brake is from system Dynamic pedal assembly is closer, and the brake cylinder that pressure oil can be introduced into front wheel brake is braked, when front wheel brake and trailing wheel The distance between brake farther out when, pressure oil is applied to the time difference of the brake cylinder on front wheel brake and rear wheel brake Relatively long, rear service brake can be lagged obviously, seriously affect braking ability, cause traffic accident.
Invention content
It remains to realize power brake after the object of the present invention is to provide one kind stopping working, be not in braking sluggishness, trailing wheel system The braking method of the dynamic vehicle booster brake apparatus that will not cause traffic accident that will not obviously lag.
To achieve the goals above, the technical scheme is that:
A kind of braking method of vehicle booster brake apparatus, the brake apparatus include arrestment mechanism, front wheel brake and trailing wheel system Dynamic device, the arrestment mechanism include booster valve, brake valve, lubricating cup, repairing check valve and brake cylinder, and the booster valve has the One piston rod and first piston, the brake valve have second piston bar and second piston, the First piston bar of the booster valve It is fixedly connected with the second piston bar of brake valve or integrally, the lubricating cup is connected by the rodless cavity of check valve and brake valve, And the rodless cavity of brake valve and the rodless cavity of brake cylinder connect, the third piston rod of brake cylinder respectively with front wheel brake and Rear wheel brake connects, and mounting height of the lubricating cup on vehicle is higher than mounting height of the brake cylinder on vehicle, changes It is into point:
Further include gas bag, dual air brake valve, the first accumulator, the first Pneumatical hydraulic value, the second accumulator and the second gas control liquid Pressure valve, the arrestment mechanism are installed on front wheel brake and rear wheel brake respectively, the dual air brake valve air inlet P1, It executes mouth A1 to connect with K mouthfuls of the control mouth of gas bag, the first Pneumatical hydraulic value respectively, P mouthfuls of the inlet of the first Pneumatical hydraulic value is held A mouthfuls of row mouth respectively with the first accumulator, front wheel brake)On booster valve rodless cavity connection, the dual air brake valve into Gas port P2, execution mouth A2 are connect with K mouthfuls of the control mouth of gas bag, the second Pneumatical hydraulic value respectively, the feed liquor of the second Pneumatical hydraulic value A mouthfuls P mouthfuls of mouth, execution of mouth are connect with the rodless cavity of the booster valve on the second accumulator, rear wheel brake respectively.
The length of hydraulic channel of second accumulator to the second Pneumatical hydraulic value is less than the first accumulator to the first gas The length of the hydraulic channel of draining pressure valve, the length of the booster valve hydraulic channel on second Pneumatical hydraulic value to rear wheel brake Degree is less than the first Pneumatical hydraulic value to the length of the booster valve hydraulic channel of front wheel brake.
The length in the dual air brake valve to the gas channel of the second Pneumatical hydraulic value is less than dual air brake valve to first The length in the gas channel of Pneumatical hydraulic value.
Also there is safety valve, the safety valve to be connect with gas bag;
The course of work of the braking method is as follows:
When driver steps on dual air brake valve(2)When being braked, dual air brake valve(2)P1 mouthfuls of air inlet with execute mouth A1 Mouth communicates, gas bag(1)Middle pressure air is through dual air brake valve(2)Into the first Pneumatical hydraulic value(4)K mouthfuls of control mouth, this When the first Pneumatical hydraulic value(4)P mouthfuls of inlet with execute mouth A mouthfuls and communicate, the first accumulator(3)In pressure oil enter front-wheel Brake(10)On booster valve(5)Rodless cavity, push first piston(5-2)Drive First piston bar(5-1)It is mobile, due to First piston bar(5-1)With second piston bar(6-1)It is fixedly connected, so second piston bar(6-1)Drive second piston(6-2) It is mobile, make brake valve(6)The hydraulic oil of rodless cavity enter brake cylinder(9), to make front wheel brake(10)Generate braking.
Meanwhile dual air brake valve(2)P2 mouthfuls of air inlet with execute mouth A2 mouthfuls and communicate, gas bag(1)Middle pressure air is through double Chamber air brake valve(2)Into the second Pneumatical hydraulic value(12)K mouthfuls of control mouth, at this moment the second Pneumatical hydraulic value(12)Inlet P mouthfuls with execute mouth A mouthfuls communicate, the second accumulator(11)In pressure oil enter rear wheel brake(13)On booster valve(5)'s Rodless cavity pushes first piston(5-2)Drive First piston bar(5-1)It is mobile, due to First piston bar(5-1)With second piston Bar(6-1)It is fixedly connected, so second piston bar(6-1)Drive second piston(6-2)It is mobile, make brake valve(6)Rodless cavity Hydraulic oil enter brake cylinder(9), to make rear wheel brake(13)Generate braking.
After engine misses, due to still having pressed gas in gas bag, when driver steps on dual air brake valve(2)It carries out When braking, gas bag(1)Middle pressure air is remained to through dual air brake valve(2)Into the first Pneumatical hydraulic value(4)K mouthfuls of control mouth With the second Pneumatical hydraulic value(12)K mouthfuls of control mouth, and the first accumulator(3)With the second accumulator(11)Hydraulic oil still have Pressure, therefore still there is pressure oil to enter front wheel brake(10)And rear wheel brake(13)On booster valve(5)Rodless cavity, from And front wheel brake(10)And rear wheel brake(13)Braking is generated, is not easy to cause traffic accident in this way.
Since the flow velocity of compressed air is more than the flow velocity of hydraulic oil, the flow velocity of general hydraulic oil is no more than 6m/s, the present invention The flow velocity of hydraulic oil is designed as 2m/s, and the flow velocity of compressed air is designed as 20 m/s.Due to dual air brake valve(2)Extremely First Pneumatical hydraulic value(4)With the second Pneumatical hydraulic value(12)It is gas channel and compressed air flow velocity is very fast, steps on so double Chamber air brake valve(2)Afterwards, front wheel brake(10)And rear wheel brake(13)Response speed accelerate, therefore dual air brake valve (2)From front wheel brake(10)And rear wheel brake(13)When farther out, dual air brake valve is stepped on(2)It can make front-wheel system quickly afterwards Dynamic device(10)And rear wheel brake(13)Generate braking.Be not in braking hysteresis phenomenon in this way, be not easy to cause traffic accident.
Similarly work as front wheel brake(10)With rear wheel brake(13)The distance between farther out when, due to two-chamber gas brake Valve(2)To the first Pneumatical hydraulic value(4), the second Pneumatical hydraulic value(12)It is gas channel, liquid flow is more than according to gas flow rate The principle of speed, when driver steps on dual air brake valve(2)Afterwards, the first Pneumatical hydraulic value(4), the second Pneumatical hydraulic value(12)It is dynamic The time difference for making to respond can shorten, such front wheel brake(10)With rear wheel brake(13)The time difference of response can be relatively Short, the braking time of rear wheel brake will not be lagged obviously, not interfere with braking ability, be not easy to cause traffic accident.
Benefit of the invention is that:(1)Still have by regarding accumulator as hydraulic oil after power source can realize engine misses There is pressure, and power brake can be carried out, traffic accident will not be caused in this way.(2)It is more than the original of flow rate of liquid according to gas flow rate Reason by by dual air brake valve to being set as gas channel between Pneumatical hydraulic value, only by the system on Pneumatical hydraulic value to brake It is set as hydraulic channel between dynamic wheel cylinder, so that the response speed of brake is accelerated, is not in braking hysteresis phenomenon in this way, is not easy Cause traffic accident.(3)It is more than the principle of flow rate of liquid by by dual air brake valve to Pneumatical hydraulic value according to gas flow rate Between be set as gas channel, only will be set as hydraulic channel between the brake cylinder on Pneumatical hydraulic value to brake, work as front-wheel Brake, rear wheel brake distance farther out when, front wheel brake and the time difference that rear wheel brake responds are relatively short, trailing wheel system It is dynamic obviously to lag, braking ability is not interfered with, is not easy to cause traffic accident.
Description of the drawings
Fig. 1 is the principle of the present invention figure.
Specific implementation mode
Below in conjunction with attached drawing and the embodiment provided, the present invention is further illustrated:
As shown in Figure 1, a kind of vehicle booster brake apparatus, including arrestment mechanism 50, front wheel brake 10 and rear wheel brake 13, The arrestment mechanism 50 includes booster valve 5, brake valve 6, lubricating cup 7, repairing check valve 8 and brake cylinder 9, and the booster valve 5 has There are a First piston bar 5-1 and first piston 5-2, the brake valve 6 has second piston bar 6-1 and second piston 6-2, described to help The First piston bar 5-1 of power valve 5 is fixedly connected with the second piston bar 6-1 of brake valve 6 or integrally, the lubricating cup 7 passes through list It is connect to valve 8 with the rodless cavity of brake valve 6, and the rodless cavity of brake valve 6 is connect with the rodless cavity of brake cylinder 9, brake cylinder 9 Third piston rod 9-1 connect respectively with front wheel brake 10 and rear wheel brake 13, installation of the lubricating cup 7 on vehicle is high Degree is higher than mounting height of the brake cylinder 9 on vehicle, and improvement is:
Further include gas bag 1, dual air brake valve 2, the first accumulator 3, the first Pneumatical hydraulic value 4, the second accumulator 11 and second Pneumatical hydraulic value 12, the arrestment mechanism 50 are installed in respectively on front wheel brake 10 and rear wheel brake 13, the two-chamber gas 2 air inlet P1 of brake valve, execution mouth A1 are connect with K mouthfuls of the control mouth of gas bag 1, the first Pneumatical hydraulic value 4 respectively, the first gas control liquid A mouthfuls P mouthfuls of inlet, execution of the mouth of pressure valve 4 connect with the rodless cavity of the booster valve 5 on the first accumulator 3, front wheel brake 10 respectively It connects, 2 air inlet P2 of the dual air brake valve, executes mouth A2 K mouthfuls of the control mouths with gas bag 1, the second Pneumatical hydraulic value 12 respectively Connection, A mouthfuls P mouthful of the inlet of the second Pneumatical hydraulic value 12, execution of mouth respectively on the second accumulator 11, rear wheel brake 13 The rodless cavity of booster valve 5 connects.
The length of the hydraulic channel of second accumulator, 11 to the second Pneumatical hydraulic value 12 is less than the first accumulator 3 to the The length of the hydraulic channel of one Pneumatical hydraulic value 4,5 liquid of booster valve on second Pneumatical hydraulic value 12 to rear wheel brake 13 The length of pressure passageway is less than the first Pneumatical hydraulic value 4 to the length of 5 hydraulic channel of booster valve of front wheel brake 10.According to gas Flow velocity is more than the principle of flow rate of liquid, after driver steps on dual air brake valve 2, front wheel brake 10 and rear wheel brake 13 The time difference of response can further shorten, and the time that pressure oil enters the brake cylinder 9 on rear wheel brake 13 more will not be apparent Lag, further increases braking ability, is not easy to cause traffic accident.
The length in the gas channel of 2 to the second Pneumatical hydraulic value 12 of the dual air brake valve be less than dual air brake valve 2 to The length in the gas channel of the first Pneumatical hydraulic value 4.In this way after driver steps on dual air brake valve 2, rear wheel brake 13 Response time can be prior to the response time of front wheel brake 10, therefore can adjust the system of rear wheel brake 13 and front wheel brake 10 Dynamic sequence.
Also there is safety valve 14, the safety valve 14 to be connect with gas bag 1.
When driver, which steps on dual air brake valve 2, to brake, P1 mouthfuls of the air inlet of dual air brake valve 2 and execution mouth A1 It mouthful communicating, pressure air enters K mouthfuls of the control mouth of the first Pneumatical hydraulic value 4 through dual air brake valve 2 in gas bag 1, and at this moment first P mouthfuls of the inlet of Pneumatical hydraulic value 4 communicates for mouth A mouthfuls with execution, and the pressure oil in accumulator 3 enters helping on front wheel brake 10 The rodless cavity of power valve 5 pushes first piston 5-2 to drive First piston bar 5-1 movements, since First piston bar 5-1 and second lives Stopper rod 6-1 is fixedly connected, so second piston bar 6-1 drives second piston 6-2 movements, makes the hydraulic pressure of the rodless cavity of brake valve 6 Oil enters brake cylinder 9, to make front wheel brake 10 generate braking.
Meanwhile P2 mouthfuls of the air inlet of dual air brake valve 2 communicates for mouth A2 mouthfuls with execution, pressure air is through two-chamber gas in gas bag 1 Brake valve 2 enters K mouthfuls of the control mouth of the second Pneumatical hydraulic value 12, at this moment P mouthfuls of the inlet of the second Pneumatical hydraulic value 12 and execution A mouthfuls of mouth communicates, and the pressure oil in accumulator 11 enters the rodless cavity of the booster valve 5 on rear wheel brake 13, pushes first piston 5-2 drives First piston bar 5-1 movements, since First piston bar 5-1 is fixedly connected with second piston bar 6-1, so second lives Stopper rod 6-1 drives second piston 6-2 movements, so that the hydraulic oil of the rodless cavity of brake valve 6 is entered brake cylinder 9, to make trailing wheel Brake 13 generates braking.
After engine misses, due to still having pressed gas in gas bag, made when driver steps on dual air brake valve 2 When dynamic, pressure air remains to K mouthfuls of the control mouth and the second gas that enter the first Pneumatical hydraulic value 4 through dual air brake valve 2 in gas bag 1 K mouthfuls of the control mouth of draining pressure valve 12, and the hydraulic oil of the first accumulator 3 and the second accumulator 11 still has pressure, therefore still have Pressure oil enters the rodless cavity of the booster valve 5 on front wheel brake 10 and rear wheel brake 13, to which front wheel brake 10 is with after It takes turns brake 13 and generates braking, be not easy to cause traffic accident in this way.
Since the flow velocity of compressed air is more than the flow velocity of hydraulic oil, the flow velocity of general hydraulic oil is no more than 6m/s, the present invention The flow velocity of hydraulic oil is designed as 2m/s, and the flow velocity of compressed air is designed as 20 m/s.Due to dual air brake valve 2 to One Pneumatical hydraulic value 4 and the second Pneumatical hydraulic value 12 are gas channel and compressed air flow velocity is very fast, step on two-chamber gas system in this way After dynamic valve 2, the response speed of front wheel brake 10 and rear wheel brake 13 is accelerated, therefore dual air brake valve 2 is from front wheel brake Device 10 and rear wheel brake 13 farther out when, front wheel brake 10 and rear wheel brake can be made quickly by stepping on after dual air brake valve 2 13 generate braking.Be not in braking hysteresis phenomenon in this way, be not easy to cause traffic accident.
Similarly when the distance between front wheel brake 10 and rear wheel brake 13 farther out when, due to dual air brake valve 2 It is gas channel to the first Pneumatical hydraulic value 4, the second Pneumatical hydraulic value 12, the principle of flow rate of liquid is more than according to gas flow rate, After driver steps on dual air brake valve 2, the first Pneumatical hydraulic value 4,12 action response of the second Pneumatical hydraulic value time difference It can shorten, the time difference that such front wheel brake 10 is responded with rear wheel brake 13 can be relatively short, the braking of rear wheel brake Time will not obviously lag, and not interfere with braking ability, be not easy to cause traffic accident.

Claims (1)

1. a kind of vehicle booster brake apparatus, including arrestment mechanism(50), front wheel brake(10)And rear wheel brake(13), institute State arrestment mechanism(50)Including booster valve(5), brake valve(6), lubricating cup(7), repairing check valve(8)And brake cylinder(9), described Booster valve(5)With First piston bar(5-1)And first piston(5-2), the brake valve(6)With second piston bar(6-1) And second piston(6-2), the booster valve(5)First piston bar(5-1)With brake valve(6)Second piston bar(6-1)Gu Fixed connection is integral, the lubricating cup(7)Pass through check valve(8)With brake valve(6)Rodless cavity connection, and brake valve(6)'s Rodless cavity and brake cylinder(9)Rodless cavity connection, brake cylinder(9)Third piston rod(9-1)Respectively with front wheel brake (10)And rear wheel brake(13)Connection, the lubricating cup(7)Mounting height on vehicle is higher than brake cylinder(9)On vehicle Mounting height, further include gas bag(1), dual air brake valve(2), the first accumulator(3), the first Pneumatical hydraulic value(4), second Accumulator(11)With the second Pneumatical hydraulic value(12), the arrestment mechanism(50)It is installed in front wheel brake respectively(10)And trailing wheel Brake(13)On, the dual air brake valve(2)Air inlet P1, execute mouth A1 respectively with gas bag(1), the first Pneumatical hydraulic value (4)The connection of K mouthfuls of control mouth, the first Pneumatical hydraulic value(4)P mouthfuls of inlet, execute A mouthfuls of mouth respectively with the first accumulator(3)、 Front wheel brake(10)On booster valve(5)Rodless cavity connection, the dual air brake valve(2)Air inlet P2, mouth A2 is executed Respectively with gas bag(1), the second Pneumatical hydraulic value(12)The connection of K mouthfuls of control mouth, the second Pneumatical hydraulic value(12)Inlet P Mouthful, execute A mouthfuls of mouth respectively with the second accumulator(11), rear wheel brake(13)On booster valve(5)Rodless cavity connection;
After engine misses, due to still having pressed gas in gas bag, when driver steps on dual air brake valve(2)It is braked When, gas bag(1)Middle pressure air is remained to through dual air brake valve(2)Into the first Pneumatical hydraulic value(4)K mouthfuls of control mouth and the Two Pneumatical hydraulic values(12)K mouthfuls of control mouth, and the first accumulator(3)With the second accumulator(11)Hydraulic oil still have pressure Power, therefore still there is pressure oil to enter front wheel brake(10)And rear wheel brake(13)On booster valve(5)Rodless cavity, to Front wheel brake(10)And rear wheel brake(13)Braking is generated, is not easy to cause traffic accident in this way;
Since the flow velocity of compressed air is more than the flow velocity of hydraulic oil, the flow velocity of general hydraulic oil is no more than 6m/s, and the present invention is by liquid The flow velocity of pressure oil is designed as 2m/s, and the flow velocity of compressed air is designed as 20 m/s, due to dual air brake valve(2)To first Pneumatical hydraulic value(4)With the second Pneumatical hydraulic value(12)It is gas channel and compressed air flow velocity is very fast, steps on two-chamber gas in this way Brake valve(2)Afterwards, front wheel brake(10)And rear wheel brake(13)Response speed accelerate, therefore dual air brake valve(2) From front wheel brake(10)And rear wheel brake(13)When farther out, dual air brake valve is stepped on(2)It can make front wheel brake quickly afterwards Device(10)And rear wheel brake(13)Braking is generated, is not in braking hysteresis phenomenon in this way, is not easy to cause traffic accident;
Similarly work as front wheel brake(10)With rear wheel brake(13)The distance between farther out when, due to dual air brake valve (2)To the first Pneumatical hydraulic value(4), the second Pneumatical hydraulic value(12)It is gas channel, flow rate of liquid is more than according to gas flow rate Principle, when driver steps on dual air brake valve(2)Afterwards, the first Pneumatical hydraulic value(4), the second Pneumatical hydraulic value(12)Action The time difference of response can shorten, such front wheel brake(10)With rear wheel brake(13)The time difference of response can be relatively short, The braking time of rear wheel brake will not be lagged obviously, not interfere with braking ability, be not easy to cause traffic accident;
The dual air brake valve(2)To the second Pneumatical hydraulic value(12)Gas channel length be less than dual air brake valve(2) To the first Pneumatical hydraulic value(4)Gas channel length;
Safety valve(14)With gas bag(1)Connection.
CN201810308371.4A 2016-06-13 2016-06-13 After engine misses can power brake vehicle booster brake apparatus Pending CN108437961A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810308371.4A CN108437961A (en) 2016-06-13 2016-06-13 After engine misses can power brake vehicle booster brake apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610410452.6A CN106004841B (en) 2016-06-13 2016-06-13 A kind of braking method of vehicle booster brake apparatus
CN201810308371.4A CN108437961A (en) 2016-06-13 2016-06-13 After engine misses can power brake vehicle booster brake apparatus

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CN201610410452.6A Division CN106004841B (en) 2016-06-13 2016-06-13 A kind of braking method of vehicle booster brake apparatus

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Publication Number Publication Date
CN108437961A true CN108437961A (en) 2018-08-24

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Application Number Title Priority Date Filing Date
CN201810308376.7A Withdrawn CN108437962A (en) 2016-06-13 2016-06-13 After engine misses can power brake vehicle booster brake apparatus braking method
CN201810308371.4A Pending CN108437961A (en) 2016-06-13 2016-06-13 After engine misses can power brake vehicle booster brake apparatus
CN201610410452.6A Active CN106004841B (en) 2016-06-13 2016-06-13 A kind of braking method of vehicle booster brake apparatus
CN201810308369.7A Pending CN108501916A (en) 2016-06-13 2016-06-13 After a kind of engine misses can power brake vehicle booster brake apparatus
CN201810411418.XA Withdrawn CN108501918A (en) 2016-06-13 2016-06-13 After engine misses can power brake vehicle booster brake apparatus, arrestment mechanism
CN201810254329.9A Pending CN108394391A (en) 2016-06-13 2016-06-13 A kind of braking method of vehicle booster brake apparatus

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CN201810308376.7A Withdrawn CN108437962A (en) 2016-06-13 2016-06-13 After engine misses can power brake vehicle booster brake apparatus braking method

Family Applications After (4)

Application Number Title Priority Date Filing Date
CN201610410452.6A Active CN106004841B (en) 2016-06-13 2016-06-13 A kind of braking method of vehicle booster brake apparatus
CN201810308369.7A Pending CN108501916A (en) 2016-06-13 2016-06-13 After a kind of engine misses can power brake vehicle booster brake apparatus
CN201810411418.XA Withdrawn CN108501918A (en) 2016-06-13 2016-06-13 After engine misses can power brake vehicle booster brake apparatus, arrestment mechanism
CN201810254329.9A Pending CN108394391A (en) 2016-06-13 2016-06-13 A kind of braking method of vehicle booster brake apparatus

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Publication number Priority date Publication date Assignee Title
US11618486B2 (en) * 2019-02-05 2023-04-04 Knorr Brake Company, LLC System and method for emergency brake control

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CN116176539B (en) * 2023-04-24 2023-07-11 安徽中科星驰自动驾驶技术有限公司 Anti-collision detection device applied to automatic driving

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CN106004841B (en) 2018-06-29
CN108437962A (en) 2018-08-24

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