CN113286730A - 用于控制压力的阀组件和方法 - Google Patents
用于控制压力的阀组件和方法 Download PDFInfo
- Publication number
- CN113286730A CN113286730A CN201980088043.0A CN201980088043A CN113286730A CN 113286730 A CN113286730 A CN 113286730A CN 201980088043 A CN201980088043 A CN 201980088043A CN 113286730 A CN113286730 A CN 113286730A
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure
- output port
- control
- port
- 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
Links
Images
Classifications
-
- 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
- B60T15/36—Other control devices or valves characterised by definite functions
-
- 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
- B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
-
- 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
-
- 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
- B60T13/683—Electrical control in fluid-pressure brake systems by electrically-controlled valves in pneumatic systems or parts thereof
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/341—Systems characterised by their valves
- B60T8/342—Pneumatic systems
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
- B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
- B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
- B60T8/362—Electromagnetic valves specially adapted for anti-lock brake and traction control systems in pneumatic systems
-
- 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
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/10—ABS control systems
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Control Of Fluid Pressure (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Regulating Braking Force (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
公开了一种用于控制输出端口(P2)处的压力的阀组件。阀组件包括输入端口(P1)、压力降低装置(S)、具有第一控制接口(112)的第一阀(110)和具有第二控制接口(122)的第二阀(120),所述第一阀和所述第二阀串联地布置在输入端口(P1)和压力降低装置(S)之间并且输出端口(P2)分接在所述第一阀和所述第二阀之间。阀组件还包括第一控制阀(115)和第二控制阀(125),所述第一控制阀能控制地使第一控制接口(112)与输入端口(PI)连接或排气,所述第二控制阀能控制地使第一控制接口(122)与输出端口(P2)连接或排气。
Description
技术领域
本发明涉及一种用于控制输出端口处的压力的阀组件和方法,特别是涉及一种阀组件,其具有优化的空气引导以增大所述阀组件的使用寿命。
背景技术
在用于商用车的气动制动装置的防抱死系统(ABS)中,在ABS干预时短时地部分地强地减小空气压力,以便由此消除车轮抱死或者短暂地松开制动器。所述压力降低例如通过排出阀实现,其中,在排出阀中的膜片在目前的结构形式中由于所述短暂的压力降低而显著地被加载负荷,这同时限制阀组件的使用寿命。
图3A和图3B示意性地示出这种传统的阀组件,该阀组件用于ABS压力控制,其中,图3A示出连接图,并且图3B示出阀组件的一个示例性的实施方案。
在图3A的阀组件中,第一阀10和第二阀20串联地布置在输入端口P1和压力降低装置S之间。第一阀10包括控制输入端12,所述控制输入端与第一控制阀15连接。第一控制阀15使第一阀10的控制接口12与压力降低装置S或者与输入端口P1连接。第二阀20同样包括控制输入端22,所述控制输入端通过第二控制阀25控制。第二控制阀25使第二阀20的控制接口22与压力降低装置S或者同样与输入端口P1连接。控制压力管路40在示出的阀组件中构造在输入端口P1和第二控制阀25之间,从而将输入端口P1的压力作为控制压力提供给控制输入端22。
图3B示出了出自图3A的连接的一个可能的具体的实施方案。所述压力降低装置S在此与排气端口P3连接,所述排气端口例如与外部周围环境连接。第一阀10包括第一膜片13,并且第二阀20包括第二膜片23。第一膜片13更确切地说根据控制接口12处的压力开启和/或关闭输入端口P1和输出端口P2之间的连接。当控制接口12进气时,则关闭第一阀10,当控制接口12排气时,则开启第一阀10。第二膜片23更确切地说根据控制接口22处的压力开启和/或关闭输出端口P2和压力降低装置S之间的连接。当控制接口22进气时,则关闭第二阀20,当控制接口22排气时,则开启第二阀20。如同在图3A中示意性地示出的那样,控制压力管路40构造为在输入端口P1和第二控制阀25之间的通道。
第一控制阀15这样被预加载,从而所述第一控制阀在无电流状态中使第一阀20的控制接口12排气。由此在将正压力施加给输入端口P1时自动地开启第一阀10。第二控制阀25这样被预加载,从而所述第二控制阀在无电流状态中将输入端口P1处的压缩空气通过控制压力管路40继续传送到第二阀20的控制接口22。由此在不激活第二控制阀25的情况下连续地将输入端口P1的压力施加在第二膜片23的背侧。
在示出的(默认)位态中,输入端口P1的压力通过开启的第一阀10继续传送到输出端口P2。然而当此时要实施ABS干预并且由此要短时地降低输出端口P2处的压力时,则这通过开启第二阀20实现。由此输出端口P2与压力降低装置S(P3)连接。这可以通过给第二控制阀25通电实现,这引起控制接口22排气。通过第二控制阀25使控制接口22再次进气来将控制接口22处的压力增大到输入端口P1的压力并且由此关闭第二阀20。因为在激活ABS时输入端口P1处的压力通常明显大于输出端口P2处的压力,这导致第二膜片23显著地被加载负荷,所述第二膜片将这两个压力彼此分开。由此显著地缩短整个阀组件的使用寿命。单个膜片的更换通常在经济上是不合算的。
发明内容
由此存在阀组件的下述需求,所述阀组件实现快速地并且高效地控制输出端口处的压力,然而尽管如此仍确保所使用的阀的长使用寿命。这特别是对于自动驾驶是重要的,因为在那里所使用的部件连续地经受高负荷并且阀控制装置的明显更高的使用寿命是值得期望的。
至少一部分的前述问题通过根据权利要求1所述的阀组件和根据权利要求9所述的用于控制压力的方法来解决。从属权利要求确定独立权利要求的主题的其他有利的实施方式。
实施例涉及一种用于控制输出端口处的压力的阀组件。阀组件包括输入端口、压力降低装置,带有第一控制接口的第一阀和带有第二控制接口的第二阀,所述第一阀和所述第二阀串联地布置在输入端口和压力降低装置之间,并且输出端口分接在所述第一阀和所述第二阀之间。阀组件还包括:第一控制阀,所述第一控制阀能控制地使第一控制接口与输入端口连接或者排气;和第二控制阀,所述第二控制阀能控制地使第一控制接口与输出端口连接或者排气。
可选地,第一控制阀是电磁阀,所述第一控制阀在无电流状态中使第一控制接口排气。第二控制阀也可以是电磁阀,其中,该电磁阀在无电流状态中使第二控制接口与输出端口连接。
可选地,第一阀包括第一膜片,在操纵第一阀时所述第一膜片开启或关闭输入端口和输出端口之间的连接。第二阀同样可以包括第二膜片,在操纵第二阀时所述第二膜片开启或关闭输出端口和压力降低装置之间的连接。
可选地,第一膜片(例如通过弹簧)被预加载,以便在输入端口无压力的情况中关闭第一阀。可选地,第二膜片(例如通过另一个弹簧)被预加载,以便在输出端口处无压力的情况中关闭第二阀。
可选地,阀组件包括节流装置,以便限制经由输入端口的(例如空气的)流入量。
实施例也涉及一种用于特别是商用车的车辆制动器、防抱死系统,所述防抱死系统具有前述的用于控制输出端口处的压力的阀组件,其中,输出端口能够与(车辆的制动器的)制动缸连接。
可选地,ABS干预可以引起输出端口通过第二阀排气并且由此短时地松开制动器。
实施例也涉及一种商用车,其具有:如前所述的阀组件或如前所述的防抱死系统。
实施例涉及也一种用于借助如前所述的阀组件控制输出端口处的压力的方法。所述方法包括:
-将压力经由输入端口通过第一阀供应至输出端口;
-关闭第一阀,以便保持输出端口处的压力;
-通过第二阀使输出端口与压力降低装置连接,以便(例如短时地、脉冲地)降低输出端口处的压力;并且
-通过以输出端口处的压力控制第二阀来中断输出端口至压力降低装置的连接。
在传统的阀组件中实现以未调节的压力控制串联的两个膜片(参见图3A和图3B),与所述传统的用于控制压力的阀组件不同地,在所述实施例中通过改变的空气输送将第二膜片(输出膜片)的负荷降低到第一膜片(保持膜片)的水平。由此实现整个模块更长的使用寿命。原则上,输出膜片与输入模块相比由此不再显著更强地被加载负荷。在输出膜片上的裂缝可以通过控制压力的压力降低来避免或者明显更晚地出现。
附图说明
本发明的实施例应该由不同的实施例的以下具体的说明和附图而更好地被理解,然而所述不同的实施例不应理解为其将公开内容局限于特定的实施方式,而是仅仅用于描述和理解。
图1示出根据本发明的一个实施例的用于控制压力的阀组件的连接图。
图2示出出自图1的阀组件的一个可能的实施方案。
图3A示出传统的阀组件的连接图。
图3B示出传统的阀组件的一个实施方案。
具体实施方式
图1示出根据本发明的一个实施例的用于控制压力的阀组件的连接图。如同在出自图3A的传统的阀组件中的那样,第一阀110(例如保持阀)和第二阀120(例如排出阀)串联地布置在输入端口P1和压力降低装置S之间。压力降低装置S可以具有至周围环境的一个或多个开口或者包括具有减小的压力一个或多个区域。第一阀110包括控制输入端112,该控制输入端与第一控制阀115连接。第一控制阀115使第一阀110的控制接口112与压力降低装置S或输入端口P1连接。第二阀120同样包括控制输入端122,该控制输入端通过第二控制阀125被控制。第二控制阀125使第二阀120的控制接口122与压力降低装置S或输出端口P2连接。虚线应该表示在操纵所述阀时第一阀110和/或第二阀120的可能的管路。
与出自图3A的传统的阀组件不同地,在所述实施例中存在控制压力管路140,所述控制压力管路使输出端口P2与第二控制阀125连接,从而控制输入端22处的控制压力由输出端口P2提供,而不由输入端口P1提供。
第一控制阀115和/或第二控制阀125例如是被预加载的电磁阀,所述电磁阀在无电流的状态中具有预先位态。由此第一控制阀115在无电流状态中使第一阀110的控制接口112与压力降低装置S连接并且在通电状态(激活状态)中与输入端口P1连接。第二控制阀25在无电流状态中使第二阀120的控制接口122与输出端口P2连接并且在激活状态中与压力降低装置S连接。
以所述方式将输入端口P1处的压力通过第一阀110继续供应至输出端口P2(当例如制动器被操纵时)。所述连接可以通过由控制阀115切换第一阀110有针对性地被中断或保持。此外,输出端口P2处的压力通过第二控制阀125供应至第二阀120的控制接口122。只要例如第二控制阀125未被操纵,则使输出端口P2和压力降低装置S之间的连接保持中断并且制动压力被保持。
当示例性的ABS被激活时,则应该至少部分地明显地降低输出端口P2处的压力。这通过激活第二控制阀125实现(所述第二控制阀被通电),从而使在第二阀120上的控制接口122排气。这实现通过由第二阀120开启至压力降低装置S的连接使输出端口P2排气。
图2示出了出自图1的连接的一个可能的具体的实施方案,该实施方案又类似于出自图3A的实施方案。所有压力降低装置S在此也与排气端口P3连接,所述排气端口又与外部周围环境连接。如同在传统的实施方案中的那样,第一阀110包括第一膜片113,并且第二阀120包括第二膜片123。此外,所示的实施方案包括可选的节流装置105,以便将通过阀组件的流量限制至期望的值。
第一膜片113更确切地说根据第一阀110的控制接口112处的压力开启和/或关闭输入端口P1和输出端口P2之间的连接。当第一阀110的控制接口112进气时,则关闭第一阀110,当控制接口112排气时,则开启第一阀110。
第二膜片123更确切地说根据第二阀120的控制接口122处的压力开启和/或关闭输出端口P2和压力降低装置S之间的连接。当控制接口122进气时,则关闭第二阀120,当控制接口122排气时,则第二阀120开启至压力降低装置S的连接。
所有其他的部件能够以与在出自图3A或3B的传统的阀组件中相同的方式构造。
然而与出自图3A的传统的实施方案不同地,控制压力管路140构造在输出端口P2和第二控制阀125之间,并且输出端口P2处的压力用作用于使第二阀20进气的控制压力并且不如同在传统的组件中的那样用作输入端口P1的压力。
第一控制阀115示意性地借助弹簧这样被预加载,从而所述第一控制阀在无电流状态中使第一阀110的控制接口112排气。由此,在将正压力施加在输入端口P1上时第一阀110自动地开启。第二控制阀125同样借助弹簧这样被预加载,从而所述第二控制阀在无电流状态中将压缩空气通过控制压力管路140继续传输到第二阀120的控制接口122。由此将输出端口P2的压力连续地施加在第二膜片123的背侧。
当应该对示例性的防抱死系统进行干预(输出端口P2处的压力应该例如短时地或脉冲式地被降低)时,则这通过开启第二阀120实现,由此输出端口P2与压力降低装置S(P3)连接。为此第二控制阀125短时地被通电,这引起控制接口122排气,从而第二膜片122打开至压力降低装置S的开口。
通过将第二控制阀125切换为无电流而使控制接口122再次进气而将控制接口122处的压力增大到输出端口P2的压力。则将相同的压力施加在第二膜片123的两侧。然而因为第二膜片123(例如通过弹簧)被预加载,所以第二膜片123在这种情况中关闭至压力降低装置S的开口。在此,第二膜片123关闭至位于上方的流动通道的开口,所述流动通道通过漏斗形的结构与在排气端口P3上的压力降低装置S连接(在图2中仅仅示意性地示出,因为所述连接位于附图平面以外)。
可理解的是,压力和通道管路也可以任意地选择,并且本发明不应局限于确定的压力比或通道管路。
然而实施例的一个优点在于,与存在的压力无关地将(几乎)相同的压力、即输出端口P2的压力施加在第二膜片123的两侧。由此明显地降低第二膜片123的负荷并且延长使用寿命。这导致明显更小的负荷或更小的在材料中的应力并且由此导致在构件中的小的损害。
本发明的在说明书、权利要求和附图中公开的特征可以不仅单个地而且也以任意组合对于实现本发明是必不可少的。
附图标记列表
10,110第一阀
12,112第一阀的控制接口
13,113第一膜片
15,115第一控制阀
20,120第二阀
22,122第二阀的控制接口
23,123第二膜片
25,125第二控制阀
40,140控制压力管路
P1输入端口
P2输出端口
S,P3压力降低装置/排气端口。
Claims (9)
1.一种阀组件,其用于控制输出端口(P2)处的压力,所述阀组件具有输入端口(P1)、压力降低装置(S)、带有第一控制接口(112)的第一阀(110)和带有第二控制接口(122)的第二阀(120),所述第一阀和所述第二阀串联地布置在所述输入端口(P1)和所述压力降低装置(S)之间,并且所述输出端口(P2)分接在所述第一阀和所述第二阀之间,其特征在于,
-设置第一控制阀(115),所述第一控制阀能控制地使所述第一控制接口(112)与所述输入端口(P1)连接或者排气;和
-设置第二控制阀(125),所述第二控制阀能控制地使所述第一控制接口(122)与所述输出端口(P2)连接或者排气。
2.根据权利要求1所述的阀组件,其特征在于,
所述第一控制阀(115)是电磁阀,其在无电流状态中使所述第一控制接口(112)排气;和
所述第二控制阀(125)是电磁阀,其在无电流状态中使所述第二控制接口(122)与所述输出端口(P2)连接。
3.根据权利要求1或权利要求2所述的阀组件,其特征在于,
所述第一阀(110)包括第一膜片(113),在操纵所述第一阀(110)时所述第一膜片开启或关闭所述输入端口(P1)和所述输出端口(P2)之间的连接;和/或
所述第二阀(120)包括第二膜片(123),在操纵所述第二阀(120)时所述第二膜片开启或关闭所述输出端口(P2)和所述压力降低装置(S)之间的连接。
4.根据权利要求3所述的阀组件,其特征在于,
所述第一膜片(113)被预加载,以便在所述输入端口(P1)处无压力的情况中关闭所述第一阀(110);和/或
所述第二膜片(123)被预加载,以便在所述输出端口(P2)处无压力的情况中关闭所述第二阀(110)。
5.根据前述权利要求中任一项所述的阀组件,其特征在于,
设置节流装置(105),所述节流装置限制经由所述输入端口(P1)的流入量。
6.一种用于车辆制动器的防抱死系统,其特征在于,
设置有根据前述权利要求中任一项所述的阀组件,用于控制输出端口(P2)处的压力,其中,所述输出端口(P2)能够与所述车辆的制动器的制动缸连接。
7.根据权利要求6所述的防抱死系统(ABS),其特征在于,
ABS干预引起所述输出端口(P2)通过所述第二阀(120)排气并且由此短时地松开所述制动器。
8.一种商用车,其特征在于,
设置有根据前述权利要求1至5中任一项所述的阀组件;或
设置有根据权利要求6或权利要求7所述的防抱死系统。
9.一种用于借助根据权利要求1-5中任一项所述的阀组件控制输出端口(P2)处的压力的方法,其特征在于,
-将压力经由输入端口(P1)通过第一阀(110)供应至输出端口(P2);
-关闭所述第一阀(110),以便保持所述输出端口(P2)处的压力;
-通过第二阀(120)使所述输出端口(P2)与压力降低装置(S)连接,以便降低所述输出端口(P2)处的压力;并且
-通过以所述输出端口(P2)处的压力控制所述第二阀(120)来中断所述输出端口(P2)至所述压力降低装置(S)的连接。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018127822.5 | 2018-11-07 | ||
DE102018127822.5A DE102018127822A1 (de) | 2018-11-07 | 2018-11-07 | Ventilanordnung und ein Verfahren zur Drucksteuerung |
PCT/EP2019/078301 WO2020094362A1 (de) | 2018-11-07 | 2019-10-17 | Ventilanordnung und ein verfahren zur drucksteuerung |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113286730A true CN113286730A (zh) | 2021-08-20 |
Family
ID=68344790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201980088043.0A Pending CN113286730A (zh) | 2018-11-07 | 2019-10-17 | 用于控制压力的阀组件和方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20210402971A1 (zh) |
EP (1) | EP3877226A1 (zh) |
JP (1) | JP7203967B2 (zh) |
CN (1) | CN113286730A (zh) |
BR (1) | BR112021008372A2 (zh) |
DE (1) | DE102018127822A1 (zh) |
WO (1) | WO2020094362A1 (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0208089A1 (de) * | 1985-06-05 | 1987-01-14 | Robert Bosch Gmbh | Ventileinheit für Bremsdrucksteuerung |
US20020167219A1 (en) * | 2001-05-08 | 2002-11-14 | Honeywell Commercial Vehicle Systems Company | Two step park release valve |
DE102010018614B3 (de) * | 2010-04-28 | 2011-06-30 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH, 80809 | Steuereinheit zum Erzeugen eines einen Fahrzustand eines Fahrzeugs kennzeichnenden Drucksignals |
EP2927067A2 (de) * | 2014-04-05 | 2015-10-07 | MAN Truck & Bus AG | Elektrische Federspeicher-Feststellbremse |
EP2939892A1 (de) * | 2014-04-28 | 2015-11-04 | MAN Truck & Bus AG | Elektrische Feststellbremse für ein Fahrzeug |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3906548A1 (de) * | 1989-03-02 | 1990-09-06 | Bosch Gmbh Robert | Drucksteuerventil |
DE4005608A1 (de) * | 1990-02-22 | 1991-09-05 | Bosch Gmbh Robert | Drucksteuerventilaggregat, insbesondere fuer druckluftbetaetigte fahrzeugbremsanlagen |
JPH0858546A (ja) * | 1994-08-23 | 1996-03-05 | Jidosha Kiki Co Ltd | アンチスキッドブレーキ制御システム |
DE4447305C2 (de) * | 1994-12-31 | 2003-04-17 | Knorr Bremse Systeme | Verfahren zum Entlüften von Bremszylindern in schlupfgeregelten Druckluft-Bremsanlagen |
JPH08268255A (ja) * | 1995-03-28 | 1996-10-15 | Nabco Ltd | アンチスキッドブレーキ装置の制御方法 |
US6209971B1 (en) * | 1998-06-30 | 2001-04-03 | Alliedsignal Truck Brake Systems Company | Non flow-through solenoid for heavy vehicle ABS modulators |
DE19847311A1 (de) * | 1998-10-14 | 2000-04-20 | Wabco Gmbh | Ventileinrichtung |
US20040130207A1 (en) * | 2003-01-07 | 2004-07-08 | Westinghouse Air Brake Technologies | Three state magnet valve |
US20090229932A1 (en) * | 2008-03-11 | 2009-09-17 | New York Air Brake | Brake pipe vent valve for locomotive brake system |
DE102010010606B4 (de) * | 2010-03-08 | 2015-02-19 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Modular aufgebaute Drucksteuervorrichtung einer Druckmittel-Bremsanlage eines Fahrzeugs |
DE102014012709A1 (de) * | 2014-08-27 | 2016-03-03 | Wabco Gmbh | Ventileinheit zur Druckmodulation in einer Druckluft-Bremsanlage |
DE102014012712A1 (de) * | 2014-08-27 | 2016-03-03 | Wabco Gmbh | Ventileinheit zur Druckmodulation in einer Druckluft-Bremsanlage |
DE102014012711A1 (de) * | 2014-08-27 | 2016-03-03 | Wabco Gmbh | Ventileinheit zur Druckmodulation in einer Druckluft-Bremsanlage |
DE102015014205A1 (de) * | 2015-11-04 | 2017-05-04 | Wabco Gmbh | Hydraulische Bremsanlage |
DE102015015472A1 (de) * | 2015-11-28 | 2017-06-01 | Wabco Gmbh | Hydraulische Bremsanlage |
DE102015016264A1 (de) * | 2015-12-15 | 2017-06-22 | Wabco Europe Bvba | Ventileinheit zur Druckmodulation in einer Druckluft-Bremsanlage |
EP3623238B1 (en) * | 2018-09-11 | 2021-03-31 | KNORR-BREMSE Systeme für Schienenfahrzeuge GmbH | Pressure equalisation valve |
DE102018124179B3 (de) * | 2018-10-01 | 2019-09-19 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | ABS-Drucksteuerventilanordnung |
-
2018
- 2018-11-07 DE DE102018127822.5A patent/DE102018127822A1/de active Pending
-
2019
- 2019-10-17 EP EP19794446.5A patent/EP3877226A1/de not_active Withdrawn
- 2019-10-17 BR BR112021008372-3A patent/BR112021008372A2/pt unknown
- 2019-10-17 US US17/291,222 patent/US20210402971A1/en active Pending
- 2019-10-17 JP JP2021524245A patent/JP7203967B2/ja active Active
- 2019-10-17 CN CN201980088043.0A patent/CN113286730A/zh active Pending
- 2019-10-17 WO PCT/EP2019/078301 patent/WO2020094362A1/de unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0208089A1 (de) * | 1985-06-05 | 1987-01-14 | Robert Bosch Gmbh | Ventileinheit für Bremsdrucksteuerung |
US20020167219A1 (en) * | 2001-05-08 | 2002-11-14 | Honeywell Commercial Vehicle Systems Company | Two step park release valve |
DE102010018614B3 (de) * | 2010-04-28 | 2011-06-30 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH, 80809 | Steuereinheit zum Erzeugen eines einen Fahrzustand eines Fahrzeugs kennzeichnenden Drucksignals |
EP2927067A2 (de) * | 2014-04-05 | 2015-10-07 | MAN Truck & Bus AG | Elektrische Federspeicher-Feststellbremse |
EP2939892A1 (de) * | 2014-04-28 | 2015-11-04 | MAN Truck & Bus AG | Elektrische Feststellbremse für ein Fahrzeug |
Also Published As
Publication number | Publication date |
---|---|
DE102018127822A1 (de) | 2020-05-07 |
EP3877226A1 (de) | 2021-09-15 |
WO2020094362A1 (de) | 2020-05-14 |
US20210402971A1 (en) | 2021-12-30 |
JP2022506698A (ja) | 2022-01-17 |
JP7203967B2 (ja) | 2023-01-13 |
BR112021008372A2 (pt) | 2021-08-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9944266B2 (en) | Electropneumatic brake control device with automatic ventilation of the spring applied brake in the event of a power loss | |
US11267447B2 (en) | Electropneumatic parking brake control device, and braking system of a vehicle | |
CN110997434B (zh) | 具有直接控制的阀的电动气动驻车制动模块 | |
JP2009517611A (ja) | 圧縮空処理備装置及び圧縮空気処理装置の運転法 | |
CN111032457B (zh) | 泊车制动-阀装置 | |
EP2998177B1 (en) | Apparatus for controlling a pneumatic park brake actuation | |
KR102011525B1 (ko) | 압축 공기 처리 시스템, 및 이 압축 공기 처리 시스템의 작동 방법 | |
CN109476296B (zh) | 用于操控弹簧储能-停驻制动器的驻车制动-阀装置 | |
US10717336B2 (en) | Compressed-air supply system, pneumatic system and method for operating a compressed-air supply system | |
KR20140000698A (ko) | 에어 서스펜션 장치, 압축 공기 공급 장치 및 공압 시스템 | |
US10960724B2 (en) | Compressed air supply installation for operating a pneumatic installation, method and vehicle | |
CA2681104C (en) | Compressed air supply unit for a commercial vehicle, and method for operating a compressed air supply unit | |
CN111247044B (zh) | 压缩空气制动设施的车轴阀模块和继动阀模块 | |
CN114728645A (zh) | 用于运行电动气动的驻车制动模块的方法、电动气动的驻车制动模块、能电子控制的气动制动系统、车辆 | |
CN112313126A (zh) | 用于机动车的停车制动装置 | |
EP3822133A1 (en) | Brake system for a motor vehicle and trailer air supply and control module | |
CN113286730A (zh) | 用于控制压力的阀组件和方法 | |
CN111278699B (zh) | 用于电子驻车制动系统的空气供应源保护旁路和包括这种系统的车辆 | |
US11479226B2 (en) | Parking brake device for a motor vehicle | |
US7370917B2 (en) | Braking system for a trailer vehicle | |
CN110121439B (zh) | 压缩空气供应设备、气动系统和用于运行压缩空气供应设备或气动系统的方法 | |
KR20170016865A (ko) | 전자적으로 슬립 제어 가능한 차량 브레이크 시스템 | |
WO2023069435A1 (en) | Trailer braking through trailer supply line | |
US20030209267A1 (en) | Compressed air control apparatus for compressed air systems of motor vehicles | |
US11230274B2 (en) | Vehicular integrated braking system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |