CN109109842A - 减少车辆停在坡道上发生事故的停车制动控制*** - Google Patents
减少车辆停在坡道上发生事故的停车制动控制*** Download PDFInfo
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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
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- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/24—Single initiating means operating on more than one circuit, e.g. dual circuits
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- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
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- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/28—Valves specially adapted therefor
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- B60T13/00—Transmitting 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
- B60T13/10—Transmitting 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
- B60T13/12—Transmitting 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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- B60T13/00—Transmitting 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
- B60T13/10—Transmitting 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
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
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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
- B60T13/00—Transmitting 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
- B60T13/10—Transmitting 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
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
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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
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/04—Driver's valves
- B60T15/041—Driver's valves controlling auxiliary pressure brakes, e.g. parking or emergency brakes
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- 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
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
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- 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
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- 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
- B60W10/182—Conjoint control of vehicle sub-units of different type or different function including control of braking systems including control of parking brakes
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- 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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18027—Drive off, accelerating from standstill
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Abstract
减少车辆停在坡道上发生事故的停车制动控制***,包括停车制动油缸和停车制动器,停车制动器包括动片和静片,所述停车制动油缸的活塞杆与停车制动器的动片固定连接,还包括动力原件、气控液压阀、气包、选挡换向阀、选挡气缸、梭阀、双压阀、气油门、油门气缸、压力传感器、控制器、电磁阀和转速传感器。本发明使车辆开始运行时,停车制动自动解除。因而车辆的刹车盘不会加速磨损,刹车片也不会发热后***。本发明使车辆在停车时,自动具有停车制动。因而车辆停在坡道上时就不会发生事故。本发明在车辆临时停车时且还挂在前进挡上,自动具有停车制动,因而车辆停在坡道上时就不会发生事故。
Description
技术领域
本发明涉及一种车辆,特别涉及一种减少车辆停在坡道上发生事故的停车制动控制***。
背景技术
车辆开始运行时一般需解除停车制动,停车时需进行停车制动。但实践中经常会发生车辆开始运行但未解除停车制动,这样会使车辆的刹车盘加速磨损和刹车片发热后***。还会发生停车时未进行停车制动,这样当车辆停在坡道上时易发生事故。另外,当车辆需临时停车时,车辆的选挡换向阀尚挂在前进挡上,这时也需要车辆进行停车制动,否则当车辆在坡道上时也易发生事故。
发明内容
本发明的目的是提供一种车辆的刹车盘不会加速磨损、刹车片不会***且不会发生事故的车辆的停车制动控制***。
为了实现上述目的,本发明的技术方案是:
一种车辆的停车制动控制***,包括停车制动油缸和停车制动器,停车制动器包括动片和静片,所述停车制动油缸的活塞杆与停车制动器的动片固定连接,其创新点在于:
还包括动力原件、气控液压阀、气包、选挡换向阀、选挡气缸、梭阀、双压阀、气油门、油门气缸、压力传感器、控制器、电磁阀和转速传感器,所述气油门具有油门踏板,所述选挡换向阀的进气口P口与气包连通,选挡换向阀的执行口A口通过两气通道分别与选挡气缸的无杆腔和梭阀的A口连通,选挡换向阀的执行口B口通过两气通道分别与选挡气缸的有杆腔和梭阀的C口连通,梭阀的B口与双压阀的第一进气口P1口连通,双压阀的执行口A口与气控液压阀的气控口K口连通,气控液压阀的进液口P口与动力原件连通,气控液压阀的执行口A口与停车制动油缸的有杆腔连通,所述电磁阀的进气口P口与气包连通,电磁阀的执行口A口与双压阀第二进气口P2口连通,电磁阀与控制器电连接,所述气油门的进气口P口与气包连通,气油门的执行口A口通过两气通道分别与油门气缸的有杆腔和压力传感器的气控口K口连通,油门气缸的活塞杆与发动机的油门拉杆固定连接,所述压力传感器和转速传感器均与控制器电连接,且转速传感器连接在车辆的轮胎处,控制器设定当转速传感器的转速大于0或压力传感器的压力大于0时由控制器控制电磁阀得电。
所述动力原件为蓄能器。
本发明的积极效果是:(1)由于车辆开始运行时,驾驶员会将选挡换向阀挂在前进挡上,同时踩下气油门的油门踏板使车辆开始前进,这样可使双压阀的两个进气口同时具有压力,压力气体可进入气控液压阀的气控口,使气控液压阀的进油口与执行口相通,动力原件中的压力油进入停车制动油缸,停车制动器的动片与静片分离,停车制动自动解除。因而车辆的刹车盘不会加速磨损,刹车片也不会发热后***。(2)由于停车时,车辆挂在空挡上,这时没有压力气体进入双压阀的第一进气口,也没有压力气体可通过双压阀进入气控液压阀的控制口K口,气控液压阀的进液口与执行口不相通,动力原件中的压力油不能进入停车制动油缸,停车制动器的动片与静片结合,车辆自动具有停车制动。因而车辆停在坡道上时就不会发生事故。(3)当车辆需临时停车时,车辆还挂在前进挡上,双压阀的第一进气口具有压力,但驾驶员未踩下气油门的油门踏板,压力传感器的压力为零,此时车轮转速也为零,双压阀的第二进气口不具有压力,气控液压阀的进气口与执行口不相通,动力原件中的压力油不能进入停车制动油缸,停车制动器的动片与静片结合,车辆自动具有停车制动。因而车辆停在坡道上时就不会发生事故。
附图说明
图1是本发明的原理。
具体实施方式
以下结合附图以及给出的实施例,对本发明作进一步的说明:
如图1所示,一种车辆的停车制动控制***,包括停车制动油缸1和停车制动器2,停车制动器2包括动片2-1和静片2-2,所述停车制动油缸1的活塞杆与停车制动器2的动片2-1固定连接,其创新点在于:
还包括动力原件3、气控液压阀4、气包5、选挡换向阀6、选挡气缸7、梭阀8、双压阀9、气油门10、油门气缸11、压力传感器12、控制器13、电磁阀14和转速传感器15,所述气油门10具有油门踏板10-1,气油门10的型号可以是力士乐的P26716-0001或P26716-000,当驾驶员踩下气油门10的油门踏板10-1时,车辆可以前进。所述选挡换向阀6的进气口P口与气包5连通,选挡换向阀6的执行口A口通过两气通道分别与选挡气缸7的无杆腔和梭阀8的A口连通,选挡换向阀6的执行口B口通过两气通道分别与选挡气缸7的有杆腔和梭阀8的C口连通,梭阀8的B口与双压阀9的第一进气口P1口连通,双压阀9的执行口A口与气控液压阀4的气控口K口连通,气控液压阀4的进液口P口与动力原件3连通,气控液压阀4的执行口A口与停车制动油缸1的有杆腔连通,选挡换向阀6用来控制选挡气缸7动作,选挡气缸7的活塞杆与车辆的挡位操作阀的拉杆固定连接,通过操作选挡换向阀6使选挡气缸7动作,可使车辆的挡位在前进挡、后退挡或空挡上。所述电磁阀14的进气口P口与气包5连通,电磁阀14的执行口A口与双压阀9第二进气口P2口连通,电磁阀14与控制器13电连接,所述气油门10的的进气口P口与气包5连通,气油门10的执行口A口通过两气通道分别与油门气缸11的有杆腔和压力传感器12的气控口K口连通,油门气缸11的活塞杆与发动机的油门拉杆固定连接。所述压力传感器12和转速传感器15均与控制器13电连接,且转速传感器15连接在车辆的轮胎处。控制器13设定当转速传感器15的转速大于0或压力传感器12的压力大于0时由控制器13控制电磁阀14得电。转速传感器15用来测量车轮的转速,当车辆需运行时,驾驶员踩下气油门10的油门踏板10-1时,气包5中的压力气体会经气油门10到压力传感器12的气控口K口,压力传感器12的气控口K口具有压力。所述控制器13为PLC控制器,控制器13的型号为三菱F×3U或西门子S7-200。
所述动力原件3为蓄能器。
当车辆需开始运行时,驾驶员操作选挡换向阀6,使选挡换向阀6挂在前进挡上,这时选挡换向阀6的进气口P口与执行口A口相通,气包5中的压力气体通过选挡换向阀6后进入选挡气缸7的无杆腔,压力气体同时通过梭阀8的A口进入双压阀9的第一进气口P1口,驾驶员这时会踩下气油门10的油门踏板10-1使车辆开始前进,这样气包5中的压力气体经气油门10到压力传感器12的气控口K口,压力传感器12的气控口K口也具有压力,压力传感器12的压力大于0,控制器13控制电磁阀14得电,电磁阀14的进气口P口与执行口A口相通,气包5中的压力气体通过电磁阀14进入双压阀9的第二进气口P2,由于双压阀9的第一进气口P1口和第二进气口P2口均有压力气体,因此压力气体可通过双压阀9的执行口A口进入气控液压阀4的控制口K口,使气控液压阀4的进液口P口与执行口A口相通,动力原件3中的压力油通过气控液压阀4进入停车制动油缸1的有杆腔,使停车制动油缸1克服弹簧的阻力由活塞杆带动停车制动器2的动片2-1与静片2-2分离,这样停车制动自动解除。因而车辆的刹车盘不会加速磨损,刹车片也不会发热后***。
当车辆需停车时,驾驶员操作选挡换向阀6,使选挡换向阀6挂在空挡上,这时选挡换向阀6的进气口P口与执行口A口和执行口B口均不相通,没有压力气体通过梭阀8进入双压阀9的第一进气口P1口,因此没有压力气体可通过双压阀9进入气控液压阀4的控制口K口,气控液压阀4的进液口P口与执行口A口不相通,动力原件3中的压力油不能通过气控液压阀4进入停车制动油缸1的有杆腔,停车制动油缸1在弹簧力的作用下由活塞杆带动停车制动器2的动片2-1与静片2-2结合,这样车辆自动具有停车制动,因而车辆停在坡道上时就不会发生事故。
当车辆需临时停车时,车辆还挂在前进挡上,选挡换向阀6的进气口P口与执行口A口相通,气包5中的压力气体通过选挡换向阀6后进入选挡气缸7的无杆腔,压力气体同时通过梭阀8的A口进入双压阀9的第一进气口P1口,由于此时驾驶员不会踩下气油门10的油门踏板10-1,这样气包5中的压力气体不会经气油门10到压力传感器12的气控口K口,压力传感器12的气控口K口也不具有压力,即压力为零,且此时转速传感器15的转速也为零,控制器13不能控制电磁阀14得电,电磁阀14的进气口P口与执行口A口不相通,气包5中的压力气体不能通过电磁阀14进入双压阀9的第二进气口P2口,因此压力气体不能通过双压阀9进入气控液压阀4的控制口K口,气控液压阀4的进液口P口与执行口A口不相通,动力原件3中的压力油不能通过气控液压阀4进入停车制动油缸1的有杆腔,停车制动油缸1在弹簧力的作用下由活塞杆带动停车制动器2的动片2-1与静片2-2结合,这样车辆自动具有停车制动,因而车辆停在坡道上时就不会发生事故。
Claims (2)
1.一种车辆的停车制动控制***的工作方法,所述停车制动控制***包括停车制动油缸(1)和停车制动器(2),停车制动器(2)包括动片(2-1)和静片(2-2),所述停车制动油缸(1)的活塞杆与停车制动器(2)的动片(2-1)固定连接,其特征在于:
还包括动力原件(3)、气控液压阀(4)、气包(5)、选挡换向阀(6)、选挡气缸(7)、梭阀(8)、双压阀(9)、气油门(10)、油门气缸(11)、压力传感器(12)、控制器(13)、电磁阀(14)和转速传感器(15),所述气油门(10)具有油门踏板(10-1),所述选挡换向阀(6)的进气口P口与气包(5)连通,选挡换向阀(6)的执行口A口通过两气通道分别与选挡气缸(7)的无杆腔和梭阀(8)的A口连通,选挡换向阀(6)的执行口B口通过两气通道分别与选挡气缸(7)的有杆腔和梭阀(8)的C口连通,梭阀(8)的B口与双压阀(9)的第一进气口P1口连通,双压阀(9)的执行口A口与气控液压阀(4)的气控口K口连通,气控液压阀(4)的进液口P口与动力原件(3)连通,气控液压阀(4)的执行口A口与停车制动油缸(1)的有杆腔连通,所述电磁阀(14)的进气口P口与气包(5)连通,电磁阀(14)的执行口A口与双压阀(9)第二进气口P2口连通,电磁阀(14)与控制器(13)电连接,所述气油门(10)的进气口P口与气包(5)连通,气油门(10)的执行口A口通过两气通道分别与油门气缸(11)的有杆腔和压力传感器(12)的气控口K口连通,油门气缸(11)的活塞杆与发动机的油门拉杆固定连接,所述压力传感器(12)和转速传感器(15)均与控制器(13)电连接,且转速传感器(15)连接在车辆的轮胎处;
所述的工作方法,包括:当转速传感器(15)的转速大于0时由控制器(13)控制电磁阀(14)得电。
2.根据权利要求1所述的工作方法,其特征在于:车辆开始运行时,驾驶员将选挡换向阀挂在前进挡上,同时踩下气油门的油门踏板使车辆开始前进,使双压阀的两个进气口同时具有压力,压力气体进入气控液压阀的气控口,使气控液压阀的进油口与执行口相通,动力原件中的压力油进入停车制动油缸,停车制动器的动片与静片分离,停车制动自动解除。
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