CN104540715A - Electrically operable holding brake system for a pneumatic braking installation and method for operating an electrically operable holding brake system - Google Patents
Electrically operable holding brake system for a pneumatic braking installation and method for operating an electrically operable holding brake system Download PDFInfo
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- CN104540715A CN104540715A CN201380042392.1A CN201380042392A CN104540715A CN 104540715 A CN104540715 A CN 104540715A CN 201380042392 A CN201380042392 A CN 201380042392A CN 104540715 A CN104540715 A CN 104540715A
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- Prior art keywords
- valve
- brake system
- change
- control cock
- emergency brake
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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
- 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
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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
- B60T13/24—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 gaseous
- B60T13/26—Compressed-air systems
- B60T13/38—Brakes applied by springs or weights and released by compressed air
Abstract
The invention relates to an electrically operable holding brake system (10) for a pneumatic braking installation, having a control valve device (12) which comprises a first control valve input connection (14), a second control valve input connection (16) and a control valve output connection (18), a supply valve (74) coupled to the first control valve input connection (14), and a control and vent valve device (102) coupled to the second control valve input connection (16). According to the invention, the control valve output connection (18) is coupled directly to a first shuttle valve input connection (40) of a shuttle valve (38), and a shuttle valve output connection (44) of the shuttle valve (38) is coupled to a relay control input (112) of a relay valve (108). The invention also relates to a method for operating an electrically operable holding brake system (10).
Description
Technical field
The present invention relates to a kind of emergency brake system of the electrically actuatable for aerobraking equipment, this emergency brake system comprises control cock device, feed cock and control and discharge valve apparatus, this control cock device comprises the first control cock input interface, the second control cock input interface and control cock output interface, this feed cock connects with the first control cock input interface, and this control and discharge valve apparatus connect with the second control cock input interface.
The invention still further relates to a kind of method for running the emergency brake system by electrically actuatable of the present invention.
Background technology
The emergency brake system of electrically actuatable, they are such as open by DE102008007877B3, especially can comprise bi-stable control cock device as necessary element and select low valve (Select-Low-Ventil), the low valve of this selection can connect with the pneumatic control input end of control cock device at outlet side.Correspondingly, the emergency brake system complex structure of known electrically actuatable and manufacture difficulty.
Summary of the invention
The object of the invention is, the emergency brake system of electrically actuatable is provided, this emergency brake system when functional identical construct so complicated and manufacture easier.
This object is reached by the feature of independent claims.
The present invention is based on similar emergency brake system so to construct, namely control cock output interface connects with the first change-over valve input interface of change-over valve, and the change-over valve output interface of change-over valve connects with the relay and control input end of relay valve.In this connection, described connection particularly can directly realize, and that is realizes when not having switchover element between which, such as, by simple pneumatic line.Such as can also realize when there is no the simple valve in pneumatic link directly connecting.In this way, pressurized air can be guided into relay and control input end from control cock output interface.According to described connection, if do not need trailer test function, then select low valve dispensable and can omit completely.
Can specify in addition: the emergency brake system of electrically actuatable comprises control cock device, other change-over valve and valve gear, this control cock device has the first control cock input interface, second control cock input interface and control cock output interface, this other change-over valve has the first other change-over valve input interface, the second change-over valve input interface in addition and other change-over valve output interface, this valve gear has the first valve gear input interface, second valve gear input interface and valve gear output interface, described the first change-over valve input interface in addition connects with control cock output interface, described the second change-over valve input interface in addition connects with valve gear output interface, and described other change-over valve output interface can connect with trailer control module.In this way, pneumatic control input end can be abandoned in control cock device, and due to the line arrangement of variation, the expensive low valve of selection can be substituted by other change-over valve, if wish trailer test function, this change-over valve such as can be configured to select high threshold (Select-High-Ventil).In addition, owing to omitting air operated control input end in control cock device, larger Design freedom can be realized.Particularly control cock device control plunger when there is minority or do not have vertex sealing bar, particularly O type ring can almost without frictionally directed in valve housing, need the friction force overcome when can be reduced in switching in this way, and can reduce in the switching characteristic of control cock device with the dispersing of temperature correlation.Pass through the expansion of the different of used vertex sealing bar and temperature correlation, can cause and the dispersing of temperature correlation, thus vertex sealing bar quantity is larger, and possible dispersing can increase.
Can specify valuably: valve gear is configured to two position three-way valve.Use two position three-way valve can realize the switching state of the requirement of the emergency brake system of electrically actuatable in a simple manner decoupled as valve gear.
Can also specify as replacement: valve gear is configured to two two position two-way valves be connected in parallel to each other.Also the switching state of the requirement of the emergency brake system of electrically actuatable can be realized in this way in a simple manner decoupled.
Can specify in addition: control cock output interface and the first change-over valve input interface connect with described the first change-over valve input interface in addition in parallel.Can realize independently of one another in this way to tractor truck and the operation of Parking Brake of trailer, wherein, the control of the Parking Brake of tractor truck can be realized by change-over valve output interface, and the control of the Parking Brake of trailer can be realized by described other change-over valve output interface.
Can also specify: control cock device comprises valve seat and valve base seal, this valve base seal abuts in hermetically on valve seat in a switching position of control cock device.The sealing member of valve base seal particularly non-static fields effect, they do not produce friction force usually, and thus they have nothing to do dispersing in switching characteristic.
Can also additionally specify: control cock device comprises other valve seat and other valve base seal, described other valve base seal abuts in hermetically on described other valve seat in one of control cock device other switching position.The sealing member of valve base seal particularly non-static fields effect, they do not produce friction force usually, and thus they have nothing to do dispersing in switching characteristic.
Can specify valuably: control cock device comprises packing element and is arranged on the elastic element in chamber, and the switching chamber of chamber relation control valve gear seals by sealing element.In this way can based on the switching characteristic of the control surface determination control cock device clearly limited in control cock device.
Can also specify: control cock device comprises the elastic element be arranged in chamber, this chamber is communicated with the switching chamber of control cock device.Be communicated with the packing element that can omit for sealing between chamber and switching chamber by chamber and switching chamber, thus can cancel equally caused by sealing element, with temperature correlation, the friction that can affect control cock device switching characteristic.
Can specify in addition: described other change-over valve comprises elastic element, this elastic element limits the stable switching position of of described other change-over valve.The clear and definite stable switching position in the state with no pressure of described other change-over valve can be ensured in this way.In addition, the joint of the Parking Brake of electrically actuatable can be accelerated in this way, because can simultaneously by control cock device and the exhaust of emergency brake system being carried out electrically actuatable by valve gear.
Certainly can specify: described other change-over valve comprises the first valve seat, the first valve base seal, the second valve seat and the second valve base seal, in the first switching position of described other change-over valve, first valve base seal abuts on the first valve seat hermetically, and in the second switching position of described other change-over valve, the second valve base seal abuts on the second valve seat hermetically.
Can specify in addition: be provided with interface in parallel with control cock output interface and the first change-over valve input interface, can pressurized air be carried by this interface, for the Parking Brake of hand relieving electrically actuatable.In this way, when malfunctioning, that is particularly when having a power failure, when without additional mechanical intervention, the pressurized air based on outside supplies, at least can the Parking Brake of respite vehicle.The alleviation of Parking Brake can be such as needs when dilatory vehicle.According to the location of interface, such as, can specify: at normal operation period, this interface is closed, and in order to hand relieving Parking Brake, first this interface must be connected, so that can manual feed pressurized air.
Congenic method so improves according to the present invention: in order to implement trailer test function, and described other change-over valve is connected with compressed air interface by valve gear.Also in the scope of method, realize the advantage and disadvantage of the emergency brake system of electrically actuatable of the present invention in this way.
Accompanying drawing explanation
Referring now to accompanying drawing by particularly preferably exemplary elaboration the present invention of embodiment.Accompanying drawing is as follows:
Fig. 1 is that the emergency brake system of electrically actuatable is in the first switching state;
Fig. 2 is that the emergency brake system of electrically actuatable is in the second switching state;
Fig. 3 is that the emergency brake system of electrically actuatable is in the 3rd switching state;
Fig. 4 is that the emergency brake system of electrically actuatable is in the 4th switching state;
Fig. 5 is that the emergency brake system of electrically actuatable is in the 5th switching state;
Fig. 6 is that the emergency brake system of electrically actuatable is in the 6th switching state;
Fig. 7 is that the emergency brake system of electrically actuatable is in the 7th switching state;
Fig. 8 is that the emergency brake system of electrically actuatable is in the 8th switching state;
Fig. 9 is the emergency brake system of another electrically actuatable;
Figure 10 is the emergency brake system of another electrically actuatable;
Figure 11 is the emergency brake system of another electrically actuatable;
Figure 12 is that control cock device is in the first switching position;
Figure 13 is that control cock device is in the second switching position;
Figure 14 is that control cock device is in the 3rd switching position;
Figure 15 is that another control cock device is in the first switching position;
Figure 16 is that another control cock device is in the second switching position;
Figure 17 is that another control cock device is in the 3rd switching position;
Figure 18 is that change-over valve is in the first switching position;
Figure 19 is that change-over valve is in the second switching position.
Detailed description of the invention
In the accompanying drawings, identical Reference numeral represents identical or similar parts.
Fig. 1 illustrates that the emergency brake system of electrically actuatable is in the first switching position.The emergency brake system 10 of electrically actuatable shown in Figure 1 can comprise a control cock device 12 and/or a change-over valve 38 and/or another change-over valve 20 and/or a valve gear 28 and/or a feed cock 74 and/or a blow off valve 76 and/or one control and discharge valve apparatus 102.Valve gear 28 and/or feed cock 74 and/or blow off valve 76 and/or to control and discharge valve apparatus 102 such as can be configured to the electromagnetic valve of electrically actuatable.Feed cock 74 such as can be configured to the two position two-way valve of electrically actuatable, and can comprise the elastic element of the dead position that can limit feed cock 74, such as spring.The dead position of feed cock 74 such as can correspond to switching position shown in Figure 1.Blow off valve 76 such as can be configured to the two position two-way valve of electrically actuatable, and comprises elastic element, such as spring.The elastic element of blow off valve 76 can limit the dead position of this blow off valve 76.The dead position of blow off valve 76 can correspond to the switching position shown in Figure 1 of this blow off valve 76.Blow off valve 76 and feed cock 74 can be merged into two position three-way valve in a not shown manner.Control and discharge valve apparatus 102 such as can be configured to the two position three-way valve of electrically actuatable, and comprise elastic element, such as spring.This elastic element such as can limit the dead position of control and discharge valve apparatus 102, and this dead position can correspond to the switching position shown in Figure 1 of control and discharge valve apparatus 102.Control and discharge valve apparatus 102 can be substituted by two two position two-way valves in a not shown manner.Valve gear 28 such as can be configured to the two-position three-way valve device of electrically actuatable, and comprises elastic element, such as spring.The elastic element of valve gear 28 such as can limit the stable dead position of this valve gear 28, and this dead position such as can correspond to switching position shown in Figure 1.Control cock device 12 such as can be configured to can pneumatically-operated two position three-way valve.Control cock device 12 can comprise the elastic element of the stable dead position that can limit this control cock device 12, such as spring.Stable dead position that such as can take in the state with no pressure of the emergency brake system 10 of electrically actuatable, control cock device 12 can correspond to the switching position shown in Figure 1 of control cock device 12.Other change-over valve 20 can be select high threshold, and can comprise elastic element, and this elastic element limits the clear and definite dead position of this other change-over valve 20 in state with no pressure.This elastic element such as can be configured to spring, and stable dead position can correspond to the switching position shown in Figure 1 of other change-over valve 20.Change-over valve 38 can be configured to select high threshold equally.Change-over valve 38 can comprise unshowned elastic element in FIG similarly with other change-over valve 20, in order to ensure clear and definite stable switching position in the state with no pressure of change-over valve 38.Such as can realize the pressure feed of the emergency brake system 10 of electrically actuatable on compressed air interface 72 by compressed air source.Compressed air interface 72 such as can provide the supply pressure of 8.5 bar.Feed cock 74, control and discharge valve apparatus 102, valve gear 28 and relay valve 108 can connect with compressed air interface 72 in parallel.In addition, feed cock 74 can be connected with the first control cock input interface 14 of control cock device 12 by supply pipeline section 82.Control and discharge valve apparatus 102 can be connected with the second control cock input interface 16 by air inlet pipe 118.Sufficiently high stress level on first control cock input interface 14 and/or on the second control cock input interface 16 can make control cock device 12 in the first switching position shown in Fig. 1 and changes between unshowned second switching position of Fig. 1 and/or keep.This impact caused by pressure can be symbolically shown by a dotted line in FIG.Can design the pneumatic control surface be present in control cock device 12 as follows, namely not only the first switching position but also the second switching position can be stable.The control cock output interface 18 of control cock device 12 such as can connect with the first other change-over valve input interface 22.The second other change-over valve input interface 24 of other change-over valve 20 can connect with the valve gear output interface 34 of valve gear 28.Valve gear 28 can be connected with compressed air interface 72 by the first valve gear input interface 30.The input interface not shown further in FIG of control and discharge valve apparatus 102 can connect with exhausr port 104.In an identical manner, the second valve gear input interface 32 can connect with other exhausr port 80.The each exhausr port separately illustrated in FIG can merge into a common exhausr port as required.In addition, exhausr port 104 can make the elastic element of control cock device 12 unload by discharge degree pipe 106.Other change-over valve output interface 26 can be connected with trailer control module 36 by trailer control tube branch 88, and this trailer control module itself can comprise supply interface 94 and control interface 96.Trailer control tube branch 88 can arrange pressure sensor 90.Other trailer control module 92 can be led to supply pipeline section 82 for departure point in other trailer control tube branch 86, and this other trailer control module 92 can comprise other supply interface 98 and other control interface 100.Other trailer control tube branch 86 can arrange blow off valve 76, and this blow off valve can connect with exhausr port 78 in addition.Trailer control module 36 and/or other trailer control module 92 are optional.Shown in Figure 10 comprise trailer control module 36 and do not have other trailer control module 92, emergency brake system 10 that can be automatically controlled.Shown in Figure 11 comprise other trailer control module 92 and do not have trailer control module 36, emergency brake system 10 that can be automatically controlled.If there is no trailer control module 36, so trailer control tube branch 88 can be closed.If there is no other trailer control module 92, so other trailer control tube branch 86 can be closed.Trailer control module 36 and other trailer control module 92 can be considered as optional external parts, these parts optionally can count the emergency brake system 10 of electrically actuatable.First change-over valve input interface 40 of change-over valve 38 can connect with control cock output interface 18 in parallel with the first other change-over valve input interface 22 of other change-over valve 20.Second change-over valve input interface 42 of change-over valve 38 can connect with connection pipe 120, and this connection pipe such as can be loaded the service brake pressure of running brake.Change-over valve output interface 44 can connect with the relay and control input end 112 of relay valve 108.If there is pressure on relay and control input end 112, so can carry pressurized air to pipe branch 114 and/or other pipe branch 116 by relaying feed pipe 84 from compressed air interface 72, described pipe branch can connect at outgoing side with relay valve 108, and such as can lead to the parking braking cylinder of unshowned tractor truck.Such as can utilize the stress level in other pressure sensor 110 measuring tube branch 114 and other pipe branch 116.Other pressure sensor can be arranged on the diverse location of emergency brake system 10 of the electrically actuatable shown in Fig. 1 as required.The action principle of the emergency brake system 10 of casehistory electrically actuatable below.
First switching state of the emergency brake system 10 of electrically actuatable shown in Figure 1 can correspond to parked state.Parking Brake can be closed in parked state.For tractor truck, this such as can correspond to spring-loaded brake cylinder with no pressure.According to switching state shown in Figure 1, relay and control input end 112 by change-over valve 38, control cock device 12 and can to control and discharge valve apparatus 102 connect with exhausr port 104, and relay valve 108 is vented by the exhaust Shi Guan branch 114 of this relay valve 108 and other pipe branch 116.Therefore, the spring-loaded brake cylinder be connected in pipe branch 114 and other pipe branch 116 can be with no pressure, that is closes.Trailer control tube branch 88 can be made on other exhausr port 80 to be vented by other change-over valve 20 and valve gear 28 in the same way, thus trailer control module 36 can not get Pneumatic pressure signal.If do not have Pneumatic pressure signal in trailer control module 36, this point can cause the Parking Brake of the trailer connected with trailer control module 36 to close.Other trailer control module 92 can have the control logic contrary with the control logic of trailer control module 36, thus, when other trailer control module 92 obtains Pneumatic pressure signal, the trailer connected with other trailer control module 92 has closed Parking Brake.For simplicity, can to only clearly being set forth for the generation of the pneumatic control signal of trailer control module 36 in several switching state.Other trailer control module 92 can be connected with compressed air interface 72 by other trailer control tube branch 86 and supply pipeline section 82 in the switching state of the emergency brake system 10 of the electrically actuatable shown in Fig. 1, because feed cock 74 connects.Supply pipeline section 82 exists, to be typically not enough to from the supply pressure of compressed air interface 72 and control cock device 12 to be transformed into it in FIG in unshowned switching position.
Avoid transshipping to protect the spring-loaded brake cylinder be connected with pipe branch 114 and other pipe branch 116; the service brake pressure that spring-loaded brake cylinder exists can be flowed to the second change-over valve input interface 42 by connection pipe 120, and thus the operation of running brake causes the spring-loaded brake cylinder be connected in pipe branch 114 and other pipe branch 116 correspondingly to be opened by the Pneumatic pressure signal existed on relay and control input end 112 automatically.Spring-loaded brake cylinder can be protected in this way from dual load, compress while the emergency brake system 10 that is from running brake and electrically actuatable.
By designing, leakage particularly in control cock device 12 determines that ground can not cause the undesirable of the emergency brake system 10 of electrically actuatable to unclamp/change because pressurized air during the parked state of the emergency brake system 10 of electrically actuatable can constantly by exhausr port 104 and other exhausr port 80 from the operation/change important region and discharge for emergency brake system.
Fig. 2 illustrates that the emergency brake system of electrically actuatable is in the second switching state.Emergency brake system 10 that the emergency brake system 10 of the electrically actuatable shown in Fig. 2 can illustrate with composition graphs 1, electrically actuatable is substantially corresponding.Switching state shown in Fig. 2 of the emergency brake system of electrically actuatable can describe the switching process from parked state to motoring condition, that is from closed Parking Brake to the switching process of the Parking Brake unclamped.Contrary with switching state shown in Figure 1, in the switching state shown in Fig. 2, control and discharge valve apparatus 102 conversion enter in its energized switching position, that is enter in its alive non-stable switching position.Therefore, in the switching state shown in Fig. 2, the second control cock input interface 16 is connected with compressed air interface 72 by control and discharge valve apparatus 102.As the result that this connects, pressurized air can ramp metering valve gear 12, in region between other change-over valve 20 and change-over valve 38.By this pressure increase, other change-over valve 20 can cut off the connection between trailer control tube branch 88 and other exhausr port 80 and the connection simultaneously between release control valve gear 12 and trailer control tube branch 88, makes Pneumatic pressure signal can arrive trailer control module 36.In the same way, change-over valve 38 can guide the pressure of rising into relay and control input end 112, and relay valve 108 can be started equally as pipe branch 114 and other pipe branch 116 air inlet.
Fig. 3 illustrates the 3rd switching state of the emergency brake system of electrically actuatable.The emergency brake system of the electrically actuatable shown in Fig. 3 can with substantially corresponding by the emergency brake system 10 of electrically actuatable known in Fig. 1 and 2.The switching state shown in Figure 3 of the emergency brake system 10 of electrically actuatable can occur immediately preceding after the switching state shown in Fig. 2.By the pressure increase by air inlet pipe 118 that composition graphs 2 illustrates, control cock device 12 can be changed by pressure and enter in the switching position shown in Fig. 3 with causing, and supplies pipeline section 82 and be directly connected with control cock output interface 18 in this switching position.Be transformed into the second switching position by control cock device 12 from the first switching position, available control surface can so change, and namely the switching position shown in Figure 3 of control cock device 12 is stable/self-sustaining.The switching state shown in Figure 3 of the emergency brake system 10 of electrically actuatable corresponding to the Parking Brake unclamped, that is can correspond to motoring condition.
Fig. 4 illustrates the 4th switching state of the emergency brake system 10 of electrically actuatable.The emergency brake system 10 of electrically actuatable shown in Figure 4 can be substantially corresponding with by the emergency brake system 10 of electrically actuatable known in Fig. 1 to 3.Switching state shown in Figure 4 first departure point is by closed Parking Brake known in Fig. 1, the emergency brake system with no pressure that is in parked state.Different by switching state known in Fig. 1 from the emergency brake system of electrically actuatable, the switching state entering it and connect changed in the diagram by valve gear 28, and that is it is energized or in alive switching state.By connecting valve gear 28, the second other change-over valve input interface 24 can have the supply pressure of such as 8.5 bar provided on compressed air interface 72, make other change-over valve 20 connect connection between the second other change-over valve input interface 24 and trailer control tube branch 88.Therefore can provide pneumatic control signal in trailer control module 36, this trailer control module can cause the Parking Brake of the trailer connected with this trailer control module 36 to unclamp.Trailer test function can be realized at the emergency brake system 10 of electrically actuatable in the switching state shown in Fig. 4 in this way because can with unclamp the trailer connected with trailer control module 36 Parking Brake with opening onrelevant being connected to the spring-loaded brake cylinder in pipe branch 114 and other pipe branch 116 of tractor truck.
In addition, electrically actuatable emergency brake system 10 in the switching state shown in Fig. 4, feed cock 74 and blow off valve 76 are also changed and are entered their respective energized switching states, that is they alive and in non-stable switching state.Trailer control tube branch 86 particularly other in this way can be vented by exhausr port 78, not provide pneumatic control signal in other trailer control module 92.That set forth according to the composition graphs 1 of other trailer control module 92, contrary with trailer control module 36 switch logic, this can cause the Parking Brake of the trailer connected with other trailer control module 92 to unclamp.Also the Parking Brake of the trailer connected with other trailer control module 92 can independently be unclamped with the Parking Brake of tractor truck in this case.
Can check whether tractor truck can separately by its Parking Brake by trailer test function, that is by with the first pipe branch 114 and/or the spring-loaded brake cylinder that is connected with the second pipe branch 116, this tractor truck is reliably stopped together with the trailer connected.
Fig. 5 illustrates the 5th switching state of the emergency brake system of electrically actuatable.The emergency brake system 10 of electrically actuatable shown in Figure 5 can be substantially corresponding with by the emergency brake system 10 of electrically actuatable known in Fig. 1 to 4.
The switching state shown in Figure 5 of the emergency brake system of electrically actuatable can immediately preceding by occurring after switching state known in Fig. 3 and such as illustrating that the emergency brake system 10 of electrically actuatable closes.Different from the switching state by known in Fig. 3, in the switching state that Fig. 5 describes, feed cock 74 ends and blow off valve 76 is connected, that is conversion enters their separately energized, alive and in non-stable switching state, make pressurized air can from the emergency brake system 10 of electrically actuatable, particularly pressurized air can be discharged by exhausr port 78 from the region after control cock output interface 18.Can be reduced in the Pneumatic pressure signal provided on relay and control input end 112 and in trailer control tube branch 88 in this way, the result thus as this decompression can close Parking Brake by the emergency brake system 10 of electrically actuatable.All pressurized airs are one discharge from the emergency brake system 10 of electrically actuatable, feed cock 14 and blow off valve 76 just can be changed in the stable switching position entering them at once again, thus the emergency brake system 10 of electrically actuatable reaches the switching state that composition graphs 1 illustrates again, and this switching state such as can illustrate parked state.
The emergency brake system 10 of the electrically actuatable illustrated in figures 6,7 and 8 equally can substantially with corresponding by the emergency brake system of electrically actuatable known in Fig. 1 to 5.The switching state illustrated in figures 6,7 and 8 of the emergency brake system 10 of electrically actuatable can be considered as the modification of the switching state for being engaged Parking Brake by electrically actuatable emergency brake system 10 that composition graphs 5 has illustrated.If first turn off feed cock 74 when Parking Brake unclamps, so first the switching state of the emergency brake system 10 of electrically actuatable remains unchanged.If pressure is discharged by blow off valve 76 from the emergency brake system 10 of electrically actuatable now, such as by connecting blow off valve 76 in short-term, this point is such as schematically illustrated by the diagram of blow off valve 76 at center in figure 6, and the Pneumatic pressure signal so provided on relay and control input end 112 and in trailer control tube branch 88 and the Pneumatic pressure signal provided in other trailer control tube branch 86 can reduce with the step.By reducing the Pneumatic pressure signal provided by the emergency brake system 10 of electrically actuatable with the step, can realize closing Parking Brake with the step.
Similarly, by temporarily connecting feed cock 74 while shutoff blow off valve 76, the Pneumatic pressure signal provided by the emergency brake system 10 of electrically actuatable can be improved with the step, to unclamp Parking Brake with the step.Such as schematically show this point by the midway location of feed cock 74 while turning off blow off valve 76 in the figure 7.
Illustrate in fig. 8, keep the variable stress level set, the variable Pneumatic pressure signal that is provided by the emergency brake system 10 of electrically actuatable.Can set pressure variable arbitrarily in the emergency brake system 10 of illustrated electrically actuatable, described pressure such as can between the supply pressure of 8.5 bar and the threshold pression of such as 1.0 bar.But also can realize lower threshold pression.
Fig. 9 illustrates another embodiment of the emergency brake system of electrically actuatable.The emergency brake system of another electrically actuatable shown in Figure 9 is substantially with corresponding by the emergency brake system 10 of electrically actuatable known in Fig. 1 to 8.
The switching state shown in Figure 9 of the emergency brake system 10 of electrically actuatable such as can be attached to parking position, that is closed Parking Brake.Different by embodiment known in Fig. 1 from the emergency brake system 10 of electrically actuatable, can additionally arrange interface 122 on connection pipe 142, this connection pipe can pass in the connection pipe between control cock output interface 18 and the first other change-over valve input interface 22.The position that passes into substituted of connection pipe 142 particularly can at control cock device 12, between other change-over valve 20 and change-over valve 38.By manual feed pressurized air on interface 122, such as, when the emergency brake system 10 of electrically actuatable is malfunctioning, particularly when having a power failure, manually can unclamp Parking Brake.
Figure 10 and 11 describes the emergency brake system 10 of other electrically actuatable.The emergency brake system 10 of electrically actuatable shown in Figure 10, this emergency brake system comprises trailer control module 36 and does not have other trailer control module 92.In addition, the emergency brake system 10 of electrically actuatable shown in Figure 10 structurally with functionally can be corresponding with by system known in Fig. 1 to 9.The emergency brake system 10 of electrically actuatable shown in Figure 11, this emergency brake system comprises other trailer control module 92 and does not have trailer control module 36.Due to trailer control module 36 can be omitted, other change-over valve 20 and/or valve gear 28 and/or pressure sensor 90 can also be omitted in addition.In addition, the emergency brake system 10 of electrically actuatable shown in Figure 11 structurally with functionally can be corresponding with by system known in Fig. 1 to 9.Trailer test function can realize in form in the emergency brake system 10 of the electrically actuatable shown in Figure 11 as illustrated in composition graphs 4.According to the pneumatic switch logic of other trailer control module 92, in this embodiment, the joint of Parking Brake often can realize when trailer brakeless, thus can also omit trailer test function.The Pneumatic pressure signal that other trailer control module 92 provides can be determined as by pressure sensor 144.
Figure 12 to 14 describes the first embodiment of control cock device 12.The control cock device 12 illustrated comprises housing 124, and this housing has the first control cock input interface 14, second control cock input interface 16, control cock output interface 18 and discharge degree pipe 106.Switching piston 126 can be set movingly between the first switching position of control cock device 12 and the second switching position in the inside of housing 124.Abut on valve seat 46 hermetically by valve base seal 48, the first switching position of switching piston 126 can be limited.In fig. 12 the first switching position can be shown.Abutted in hermetically on other valve seat 50 by other valve base seal 52, the second switching position can be limited.In fig. 14 the second switching position can be shown.Can have midway location to transition, this midway location such as can be shown in Figure 13, and in this midway location, abut on valve seat 46 valve base seal 48 blowing-by, and other valve base seal 52 also abuts on other valve seat 50 blowing-by.In midway location, the first control cock input interface 14, second control cock input interface 16 and control cock output interface 18 can be interconnected.The inside of housing 124 can be divided into chamber 56, switching chamber 60 and other switching chamber 132 by switching piston 126.Chamber 56 such as can switching chamber 60 be sealed by the packing element 54 that such as can be configured to O type ring relatively.Packing element 54 such as can be remained on switching piston 126 by the first projection 128 and the second projection 130 and in housing 124, axially guide this switching piston 126.In addition, switching piston 124 can pass through elastic element 58 axially relative first valve seat 46 pretension.In the embodiment shown in Figure 12 to 14 of control cock device 12, packing element 54 only switching piston 126 axially between the second switching position shown in the first switching position shown in Figure 12 and Figure 14 the transition period cause friction.In the first switching position of control cock device 10, second control cock input interface 16 is communicated with control cock output interface 18, switching chamber 60 and other switching chamber 132 is not isolated hermetically because switching piston 126 abuts on housing 124 and in upper area unsealing.In the second switching position shown in Figure 12, the first control cock input interface 14 is communicated with control cock output interface 18, because valve base seal 48 to lift and simultaneously other valve base seal 52 abuts on other valve seat 50 hermetically from valve seat 46.Owing to needing an only unique packing element 54 in this first embodiment of control cock device 12, packing element 54 is caused to expand or the temperature difference of shrinking has an impact to the switching characteristic of control cock device 12 hardly.
Figure 15 to 17 illustrates that the second embodiment of control cock device 12 is in three different switching positions.Switching position shown in Figure 15 to 17 can with corresponding by the switching position that Figure 12 to 14 is known.The difference of the second embodiment of control cock device 12 is particularly the packing element 54 eliminated on switching piston 126.Replace make chamber 56 relatively switching chamber 60 seal, only remain the first projection 128 and due to small air loss that blowing-by causes during being tolerated in the midway location shown in Figure 16.In this way, switching piston 126 can axially almost without frictionally moving in housing 124.Blowing-by between chamber 56 and switching chamber 60 can be tolerated, because loss of pressure is only only important during the handoff procedure of control cock device 12.
Figure 18 and 19 illustrates that change-over valve is in two different switching positions.Shown change-over valve such as can be corresponding with by other change-over valve 20 known in Fig. 1 to 10.The other change-over valve 20 illustrated in figs. 18 and 19 comprises other housing 134, and this other housing has the first other change-over valve input interface 22, the second other change-over valve input interface 24 and other change-over valve output interface 26.In the inside of other housing 134, other switching piston 136 can be set with axial motion.Other switching piston 136 such as can by relative first valve seat 64 pretension of elastic element 62.Elastic element 62 such as can be configured to simple spring.Abutted in hermetically on the first valve seat 64 by the first valve base seal 66, the first switching position of other change-over valve 20 can be limited.Can the first switching position shown in Figure 18.Abutted in hermetically on the second valve seat 68 by the second valve base seal 70, the second switching position can be limited.Such as can the second switching position shown in Figure 19.Second switching piston 136 can have the first guide part 138 and/or the second guide part 140, it/they can axially guide other switching piston 136 in other housing 134.Particularly can not design the first guide part 138 and/or the second guide part 140 as sealing member and therefore, it is possible to realize other change-over valve 20 almost frictionless axially and switch.First valve base seal 66 and/or the second valve base seal 70 can be frictionlesss during the axial motion of other switching piston 136, because they one to lift from the first valve seat 64 and/or the second valve seat 68, they just do not contact housing 134 at once.
No matter in the explanation above, in the accompanying drawings and in detail in the claims disclosed feature of the present invention be individually or combination in any can be creationary for realizing the present invention.
Reference numerals list
10 emergency brake systems
12 control cock devices
14 first control cock input interfaces
16 second control cock input interfaces
18 control cock output interfaces
20 other change-over valves
22 the first other change-over valve input interfaces
24 the second other change-over valve input interfaces
26 other change-over valve output interfaces
28 valve gears
30 first valve gear input interfaces
32 second valve gear input interfaces
34 valve gear output interfaces
36 trailer control modules
38 change-over valves
40 first change-over valve input interfaces
42 second change-over valve input interfaces
44 change-over valve output interfaces
46 valve seats
48 valve base seals
50 other valve seats
52 other valve base seals
54 packing elements
56 chambers
58 elastic elements
60 switching chambers
62 spring elements
64 first valve seats
66 first valve base seals
68 second valve seats
70 second valve base seals
72 compressed air interfaces
74 feed cocks
76 blows off valve
78 exhausr ports
80 other exhausr ports
82 supply pipeline sections
84 relaying feed pipes
86 trailer control tube branches
88 trailer control tube branches
90 pressure sensors
92 other trailer control modules
94 supply interfaces
96 control interfaces
98 other supply interfaces
100 other control interfaces
102 control and discharge valve apparatus
104 exhausr ports
106 discharge degree pipes
108 relay valves
110 other pressure sensors
112 relay and control input ends
114 pipe branches
116 other pipe branches
118 air inlet pipes
120 connection pipes
122 interfaces
124 housings
126 switching pistons
128 first projections
130 second projections
132 other switching chambers
134 other housings
136 other switching pistons
138 first guide parts
140 second guide parts
142 other connection pipes
144 pressure sensors
Claims (13)
1. for the emergency brake system (10) of the electrically actuatable of aerobraking equipment, this emergency brake system comprises control cock device (12), feed cock (74) and control and discharge valve apparatus (102), this control cock device has the first control cock input interface (14), second control cock input interface (16) and control cock output interface (18), this feed cock connects with the first control cock input interface (14), this control and discharge valve apparatus connect with the second control cock input interface (16), it is characterized in that: control cock output interface (18) directly connects with the first change-over valve input interface (40) of change-over valve (38), and the change-over valve output interface (44) of change-over valve (38) connects with the relay and control input end (112) of relay valve (108).
2. the emergency brake system (10) of electrically actuatable as claimed in claim 1, it is characterized in that: the emergency brake system (10) of electrically actuatable comprises control cock device (12), other change-over valve (20) and valve gear (28), this control cock device has the first control cock input interface (14), second control cock input interface (16) and control cock output interface (18), this other change-over valve has the first other change-over valve input interface (22), the second change-over valve input interface (24) in addition and other change-over valve output interface (26), this valve gear has the first valve gear input interface (30), second valve gear input interface (32) and valve gear output interface (34), described the first change-over valve input interface (22) in addition connects with control cock output interface (18), described the second change-over valve input interface (24) in addition connects with valve gear output interface (34), and described other change-over valve output interface (26) can connect with trailer control module (36).
3. the emergency brake system (10) of electrically actuatable as claimed in claim 1 or 2, is characterized in that: described valve gear (28) is configured to two position three-way valve.
4. the emergency brake system (10) of electrically actuatable as claimed in claim 1 or 2, is characterized in that: described valve gear (28) is configured to two two position two-way valves be connected in parallel to each other.
5. the emergency brake system (10) of the electrically actuatable as described in any one of aforementioned claim, is characterized in that: described control cock output interface (18) and the first change-over valve input interface (40) connect with described the first change-over valve input interface (22) in addition in parallel.
6. the emergency brake system (10) of the electrically actuatable as described in any one of aforementioned claim, it is characterized in that: described control cock device (12) comprises valve seat (46) and valve base seal (48), this valve base seal (48) abuts in hermetically on valve seat (46) in a switching position of control cock device (12).
7. the emergency brake system (10) of electrically actuatable as claimed in claim 5, it is characterized in that: described control cock device (12) comprises other valve seat (50) and other valve base seal (52), described other valve base seal (52) abuts in hermetically on described other valve seat (50) in one of control cock device (12) other switching position.
8. the emergency brake system (10) of the electrically actuatable as described in any one of aforementioned claim, it is characterized in that: described control cock device (12) comprises packing element (54) and is arranged on the elastic element (58) in chamber (56), and the switching chamber (60) of this chamber (56) relation control valve gear (12) seals by sealing element (54).
9. the emergency brake system (10) of the electrically actuatable as described in any one of aforementioned claim, it is characterized in that: described control cock device (12) comprises the elastic element (58) be arranged in chamber (56), this chamber (56) is communicated with the switching chamber (60) of control cock device (12).
10. the emergency brake system (10) of the electrically actuatable as described in any one of claim 2 to 9, it is characterized in that: described other change-over valve (20) comprises spring element (62), this spring element limits the stable switching position of of described other change-over valve (20).
The emergency brake system (10) of 11. electrically actuatables as described in any one of claim 2 to 10, it is characterized in that: described other change-over valve (20) comprises the first valve seat (64), first valve base seal (66), second valve seat (68) and the second valve base seal (70), in the first switching position of described other change-over valve (20), first valve base seal (66) abuts on the first valve seat (64) hermetically, and in the second switching position of described other change-over valve (20), second valve base seal (70) abuts on the second valve seat (68) hermetically.
The emergency brake system (10) of 12. electrically actuatables as described in any one of aforementioned claim, it is characterized in that: being provided with interface (122) in parallel with control cock output interface (18) and the first change-over valve input interface (40), the pressurized air of the Parking Brake for manually unclamping electrically actuatable can being carried by this interface.
13. for running the method for the emergency brake system (10) of the electrically actuatable as described in any one of aforementioned claim, it is characterized in that: in order to unclamp the emergency brake system (10) of electrically actuatable, to relay and control input end (112) air inlet of relay valve (108).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012013959.4 | 2012-07-13 | ||
| DE102012013959.4A DE102012013959A1 (en) | 2012-07-13 | 2012-07-13 | Electrically actuated parking brake system for a pneumatic brake system and method for operating an electrically actuated parking brake system |
| PCT/EP2013/064660 WO2014009457A1 (en) | 2012-07-13 | 2013-07-11 | Electrically operable holding brake system for a pneumatic braking installation and method for operating an electrically operable holding brake system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104540715A true CN104540715A (en) | 2015-04-22 |
| CN104540715B CN104540715B (en) | 2017-06-13 |
Family
ID=48856590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380042392.1A Expired - Fee Related CN104540715B (en) | 2012-07-13 | 2013-07-11 | Parking braking system for the electrically actuatable of aerobraking equipment and the method for running the parking braking system of electrically actuatable |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP2872369A1 (en) |
| JP (1) | JP6333246B2 (en) |
| KR (1) | KR102096453B1 (en) |
| CN (1) | CN104540715B (en) |
| BR (1) | BR112014032294A2 (en) |
| DE (1) | DE102012013959A1 (en) |
| RU (1) | RU2638878C2 (en) |
| WO (1) | WO2014009457A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107921942A (en) * | 2015-07-27 | 2018-04-17 | 沃尔沃卡车集团 | Include the braking equipment of composite braking actuator |
| CN108473123A (en) * | 2015-11-06 | 2018-08-31 | 克诺尔商用车制动系统有限公司 | Pneumatic brake device |
| CN111936360A (en) * | 2018-04-05 | 2020-11-13 | 克诺尔商用车制动系统有限公司 | Control device for parking brake device of vehicle |
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| DE102014004933A1 (en) | 2014-04-05 | 2015-10-08 | Man Truck & Bus Ag | Electric spring-loaded parking brake |
| DE102015106144A1 (en) | 2015-04-22 | 2016-10-27 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Control valve device for a parking brake device for motor vehicles and parking brake device for motor vehicles |
| DE102015106145A1 (en) | 2015-04-22 | 2016-10-27 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Parking brake device for motor vehicles |
| DE102015106146A1 (en) | 2015-04-22 | 2016-10-27 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Parking brake device for motor vehicles |
| DE102015106147A1 (en) | 2015-04-22 | 2016-10-27 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Parking brake device for motor vehicles |
| DE102015106150A1 (en) | 2015-04-22 | 2016-10-27 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Parking brake device for motor vehicles |
| DE102015008377A1 (en) * | 2015-06-29 | 2016-12-29 | Wabco Gmbh | Parking brake module, brake system with such a parking brake module, vehicle with it and method for operating a parking brake device |
| DE102015112490B4 (en) | 2015-07-30 | 2018-07-19 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Electro-pneumatic control device of an electro-pneumatic brake system of a tractor-trailer combination |
| DE102016100289A1 (en) | 2016-01-11 | 2017-07-13 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Control valve device for an electric parking brake device and electric parking brake device |
| CN105905086B (en) * | 2016-04-28 | 2018-09-25 | 徐州徐工挖掘机械有限公司 | A kind of off-highway quarry tipper ABS anti-lock brake fluid systems |
| DE102016011390A1 (en) | 2016-09-21 | 2018-03-22 | Wabco Gmbh | Parking brake valve device for controlling a spring-loaded parking brake |
| DE102016117784A1 (en) * | 2016-09-21 | 2018-03-22 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Parking brake device for a commercial vehicle |
| US10543826B2 (en) | 2017-03-27 | 2020-01-28 | Bendix Commercial Vehicle Systems Llc | Valve system and method for controlling same |
| JP7073342B2 (en) * | 2017-03-31 | 2022-05-23 | ナブテスコオートモーティブ株式会社 | Air supply system |
| DE102017007780A1 (en) | 2017-08-16 | 2019-02-21 | Wabco Gmbh | Electropneumatic parking brake module with directly controlled valves |
| DE102017009307A1 (en) | 2017-10-07 | 2019-04-11 | Wabco Gmbh | Parking brake valve means |
| DE102018118745A1 (en) | 2018-08-02 | 2020-02-06 | Wabco Gmbh | Electro-pneumatic handbrake (EPH) with partially decoupled TCV (European control) |
| CN115052796A (en) * | 2020-02-18 | 2022-09-13 | 沃尔沃卡车集团 | Dual trailer connection and automatic detection |
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- 2013-07-11 EP EP13739957.2A patent/EP2872369A1/en not_active Withdrawn
- 2013-07-11 BR BR112014032294A patent/BR112014032294A2/en not_active IP Right Cessation
- 2013-07-11 WO PCT/EP2013/064660 patent/WO2014009457A1/en active Application Filing
- 2013-07-11 RU RU2015104791A patent/RU2638878C2/en not_active IP Right Cessation
- 2013-07-11 JP JP2015520986A patent/JP6333246B2/en not_active Expired - Fee Related
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| CN107921942B (en) * | 2015-07-27 | 2021-06-04 | 沃尔沃卡车集团 | Brake apparatus including hybrid brake actuator |
| CN108473123A (en) * | 2015-11-06 | 2018-08-31 | 克诺尔商用车制动系统有限公司 | Pneumatic brake device |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2872369A1 (en) | 2015-05-20 |
| RU2015104791A (en) | 2016-08-27 |
| WO2014009457A1 (en) | 2014-01-16 |
| BR112014032294A2 (en) | 2017-06-27 |
| JP6333246B2 (en) | 2018-05-30 |
| DE102012013959A1 (en) | 2014-05-15 |
| KR102096453B1 (en) | 2020-04-02 |
| JP2015521977A (en) | 2015-08-03 |
| CN104540715B (en) | 2017-06-13 |
| RU2638878C2 (en) | 2017-12-18 |
| KR20150041611A (en) | 2015-04-16 |
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