CN106660536A - Pneumatic device for a vehicle, comprising an integrated pressurized emergency reservoir - Google Patents
Pneumatic device for a vehicle, comprising an integrated pressurized emergency reservoir Download PDFInfo
- Publication number
- CN106660536A CN106660536A CN201580044142.0A CN201580044142A CN106660536A CN 106660536 A CN106660536 A CN 106660536A CN 201580044142 A CN201580044142 A CN 201580044142A CN 106660536 A CN106660536 A CN 106660536A
- Authority
- CN
- China
- Prior art keywords
- bleed pressure
- pressure container
- brake
- loop
- bleed
- 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.)
- Granted
Links
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
- 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
- B60T13/268—Compressed-air systems using accumulators or reservoirs
-
- 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
- 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
-
- 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
- B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
- B60T15/24—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by three fluid pressures
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/06—Applications or arrangements of reservoirs
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention relates to a pneumatic device for a vehicle, comprising a pneumatically actuated brake mechanism (1), a first pressurized reservoir (16), which is fed with compressed air from a compressor (66) via a circuit (44) of a protection valve device (48), for supplying compressed air to a pneumatic consumer circuit (6), and a second pressurized reservoir (16') which can be connected, via a valve device (50), to the pressurized supply line (14) of at least one pneumatically actuated brake circuit (6) of the brake mechanism (1). According to the invention, the second pressurized reservoir (16') is integrated into or forms part of the first pressurized reservoir (16) and is fed with compressed air by the circuit (44) of the protection valve device (48) associated with the pneumatic consumer circuit (6).
Description
Technical field
Blowing plant from vehicle as described in the preamble according to claim 1 of the invention, the compression is empty
Device of air has the brake apparatus of compressed-air control, supplies the of compressed air by the loop of protection valve gear by compressor
One bleed pressure container, and with the second bleed pressure container, the first bleed pressure container is used for compressed air supply
Compressed air load circuit, the second bleed pressure container can pass through at least one compressed air of valve gear and brake apparatus
The bleed pressure pipeline connection of the brake circuit of manipulation.
Background technology
From the brake apparatus of such compressed-air control known to the A1 of EP 1 122 142.There, for propons braking
Loop arranges the first bleed pressure container, also, separably arranges the second bleed pressure container, second bleed pressure
Container is protected the loop of itself the supply compressed air of valve by multiloop.Bleed pressure loss in the first bleed pressure container
When, such as when due to leakage loss, electromagnetic change-over valve supplies the compressed air of the pressure adjusting module of propons from the first source of the gas
Pressure vessel is transformed on the second bleed pressure container.Here, for provide redundancy compressed air gas source it is relatively high
Cost is unfavorable.
The content of the invention
In contrast, the present invention is based on following tasks, and so further the compression of the type that exploitation introductory song is previously mentioned is empty
Device of air：So that improving fail safe (Ausfallsicherheit) with little cost.
According to the present invention, the task is solved by the feature of claim 1.
The present invention is arranged, and the second bleed pressure container is integrated into the first bleed pressure container, or constitutes first gas
A part for source pressure vessel, and by protection valve gear, the supply compression of the loop that is associated with compressed air load circuit it is empty
Gas.
First bleed pressure container can be for example empty with the arbitrary compressed air load circuit of compressed air supply of vehicles
Gas springing circuit, enabling loop or here be preferably at least one compressed-air control service brake loop and/or
The parking brake loop of the compressed-air control of the brake apparatus of the compressed-air control of vehicle.
Because the first bleed pressure container and the second bleed pressure container supply pressure by the identical loop for protecting valve gear
Contracting air, can save the loop of itself of multiloop protection valve and single bleed pressure container, it reduce installation flower
Take and locational requirement.
The invention pointed out in the independent claim is realized by measure cited in the dependent claims favourable
Expansion scheme and improvement.
It is particularly preferred that being held by the first bleed pressure that the loop of protection valve gear supplies compressed air by compressor
Device, the brake circuit and/or compressed-air control of at least one compressed-air control of brake apparatus are supplied with compressed air
Parking brake loop.
It is particularly preferred that thus the second bleed pressure container is integrated into the first bleed pressure container：Load rigid point
To in the first bleed pressure container, the partition wall is by the first compressed air volume of the first bleed pressure container from the second gas in next door
Second compressed air volume of source pressure vessel separates.
Here, partition wall is for example arranged perpendicular to the longitudinal axis of the first bleed pressure container.Therefore, in order to dispose second
Second volume of bleed pressure container, the first bleed pressure container than generally it is somewhat longer construct it is sufficient that.
Preferably, the first bleed pressure container is associated with the brake of the back axle of vehicle.
According to a kind of expansion scheme, valve gear can constitute a construction unit, its mode with the first bleed pressure container
It is that the valve gear flange is arranged on the first bleed pressure container or with the first bleed pressure container and is placed in common housing
In.Can so save and lay pressure piping, second source of the gas pressure of the pressure piping in the first bleed pressure container is integrated in
Extend between force container and valve gear.
Preferably, the brake circuit of at least one compressed-air control includes the driving system of at least one compressed-air control
Dynamic loop and the parking brake loop of at least one compressed-air control with least one active parking brake actuation device, institute
State parking brake actuation device compacted by inflation and released by exhaust.
The service brake loop of at least one compressed-air control enables in particular to be electro-pneumatic service brake loop, has
Main electric braking loop and secondary pneumatic service brake loop, the institute in the case of the main electric braking loop fault
Pneumatic service brake loop is stated as standby level.
The parking brake loop of compressed-air control enables in particular to be electro-pneumatic parking brake loop, wherein, the active
Parking brake actuation device pins compacted service brake actuator under the framework of service brake, for parking braking, and
The service brake actuator is unlocked, for unclamping parking braking.
In the such electro-pneumatic parking brake loop with active parking brake actuation device, i.e. without passive
In the case of spring energy-storage checking cylinder (spring energy-storage checking cylinder is compressed and unclamped by inflation by exhaust), deposit
In following problems：When bleed pressure in the first bleed pressure container is for example declined due to leakage, not only service brake
Device and EPB becomes to run.Then EPB is no longer able to for example in passive spring energy-storage checking cylinder
In the case of use as auxiliary brake like that.
But, it is also feasible due to supply redundancy being realized using the second bleed pressure container, using compressed air
It is that in the case of pressure drop in the first bleed pressure container, running brake and/or EPB also keep normal fortune
OK.
According to a kind of expansion scheme, valve gear is electromagnetic valve device and is controlled by an electronic control unit including at least one
Magnetic valve, wherein, the control unit according to the signal of sensor device control magnetic valve, the sensor device directly or
Person detects the pressure drop in the first bleed pressure container indirectly.
Here, sensor device can include at least one pressure sensor or wheel speed sensor, the pressure is passed
Sensor detects the bleed pressure either in bleed pressure pipeline in the first bleed pressure container or at least one pressure
The brake pressure contracted in air-controlled service brake loop.Therefore, if such pressure sensor is detected in the first gas
The bleed pressure reduced relative to specified bleed pressure in the pressure vessel of source, then can turn on the second source of the gas pressure by valve gear
Connection between force container and source of the gas pressure piping.Such pressure sensor especially also can be related to be integrated in electro-pneumatic system
Pressure sensor in the pressure adjusting module of dynamic device, the actual brake pressure that the pressure sensor measurement is directly present.
So in other words completely disappearing for brake pressure shows letting out in the first bleed pressure container to the pressure drop of brake pressure
Leakage.
To this alternately or additionally, it is also possible to braked according to the identification of the vehicle wheel rotational speed characteristic of the wheel being braked
Pressure drop during journey, wherein, the brake apparatus of present compressed-air control included being passed with this kind of vehicle wheel rotational speed originally
The braking skid control device (ABS) of sensor.Brake request and monitored wheel if there is driver is due to source of the gas
Pressure drop and be not braked too weakly or completely, then this is identified as failure and changes valve dress by control unit
Put, so as to pass through the second bleed pressure container air supply is compressed.
Completely it is particularly preferred that electromagnetic valve device makes the second bleed pressure container corresponding to flow passing position in the power-off state
With the bleed pressure pipeline at least one electro-pneumatic service brake loop and/or with least one electro-pneumatic parking brake loop
The connection of bleed pressure pipeline, also, corresponding to locked position of coupler interrupt this connection in the energized state.Here, magnetic valve is outstanding
It can be the 2/2-way magnetic valve in spring loads to flow passing position.This tool has the advantage that：In electrical equipment/ministry of electronics industry
When part electric current supply in other words is broken down and bleed pressure in the first bleed pressure container declines, such electricity-
Although main electric service brake loop is broken down in pneumatic service brake loop, secondary pure pneumatic service brake is returned
Road and then the bleed pressure that always can also be based in the second bleed pressure container run.
According to a kind of expansion scheme, the input of such as magnetic valve is connected with the second bleed pressure container, and magnetic valve
Output end be connected with the control joint of relay valve, the relay valve is connected simultaneously using gas source connector with the second bleed pressure container
And be connected with the bleed pressure pipeline of at least one brake circuit using working joint.The relay valve increases in an advantageous manner
Work to pressure medium amount.
Additionally, valve gear can include at least one first check valves, first check valve is connected to following pressure pipings
In, the pressure piping is a side in the loop of protection valve gear (such as multiloop protection valve) and the first bleed pressure container, with,
Second bleed pressure container is to extend between the opposing party, and first check valve is realized from loop or from the first source of the gas pressure
Compressed air stream in force container to the second bleed pressure container, being guided by pressure piping, but interrupt in the reverse direction
Compressed air stream.Guaranteed by means of first check valve, the second bleed pressure container is constantly with maximum bleed pressure
It is filled.
Additionally or alternatively, valve gear can include the second check valve, and second check valve is connected to following pressure
In pipeline, the pressure piping is a side in the loop of protection valve gear and the first bleed pressure container, with bleed pressure pipeline is
Extend between the opposing party, also, second check valve is realized from loop or from the first bleed pressure container to bleed pressure
Pipeline, by pressure piping guide compressed air stream, but interrupt to reciprocal backflow.Using the second check valve prevent from
The compressed air stream that second bleed pressure container flows out is in the first bleed pressure container of leakage.
It is particularly preferred that the first check valve and the second check valve are connected in compressed air line in series in succession, wherein,
From pressure piping branch on position of the bleed pressure pipeline between the first check valve and the second check valve.
More details are drawn from the explanation of the following examples.
Description of the drawings
It is shown in the drawings below embodiments of the invention and explained in detail in the following description.In the accompanying drawings,
Unique accompanying drawing illustrates a kind of line map preferred embodiment of brake apparatus of the invention.
Specific embodiment
Be shown in the drawings a preferred embodiment of the invention, as with trailer service ability heavy type
The brake apparatus (EBS) 1 that part, the electricity of the blowing plant of commercial car is adjusted, there is electro-pneumatic service brake to fill for it
Put, the electro-pneumatic service braking device includes main electro-pneumatic brake circuit 2 and in contrast secondary pneumatic row
Car brake circuit, is here pneumatic propons brake circuit 4 and the pneumatic back axle brake circuit 6 as standby level.In system
In dynamic device, service brake pressure is by electricity regulation.
Main electro-pneumatic brake circuit 2 includes the electric channel 36 of foot brake module 7, and the electric channel is according to foot brake plate
Manipulation the electric braking requirement signal in such as center brake control unit 9, the braking control are controlled by electrical signal lead 8
Two 1 channel pressure adjustment modules 10 of the unit processed according to braking demand signal by signal conductor manipulation on propons are in other words
A 2 channel pressure adjustment modules 12 on back axle.
Pressure adjusting module 10,12 is by means of feeding pipe 14,15 by the bleed pressure of each compressed air gas source, use
In the bleed pressure container 16 of back axle brake circuit 6 and the source of the gas pressure of the bleed pressure container 17 for propons brake circuit 4
Power supplies compressed air, and the pressure adjusting module is included in known manner for controlling the inlet valve of relay valve/go out
Mouth valve group is closed and for the pressure sensor of each passage, to measure the brake pressure exported on working joint, should
The motor vehicle braking system 18 that brake pressure is used on the propons on back axle in other words, and under the meaning that specified-actual value is harmonized
To the electric control unit report actual value being integrated in the pressure adjusting module 10,12 of correlation.Then pressure adjusting module 10,12
The brake pressure of subscription rate definite value on its working joint, corresponding to electricity is modulated at from bleed pressure, the working joint leads to
Pneumatic pressure piping 20 and active motor vehicle braking system 18 are crossed in being connected.
Here, the motor vehicle braking system 18 on front-wheel in other words on trailing wheel manipulates such as disk brake 20, more accurate
Really, brake activation liner, the disk brake and each brake disc collective effect.
The local control unit of pressure adjusting module 10,12 also includes the system for realizing the vehicle-bridge type in other words of wheel type
The ABS programs of dynamic sliding adjustment.Here, center brake control unit 9 can include such as ESP (ESP,
Elektronisches) program.
With electric signal concurrently, foot brake module 7 is braked back in pneumatic back axle brake circuit 6 and in pneumatic propons
In road 4 based on by related bleed pressure container 16 in other words 17 by related feeding pipe 14,15 guide come source of the gas pressure
Power produces respectively pneumatic service brake pressure, the service brake pressure dependence in foot brake plate manipulation and by pneumatic
The supply pressure adjustment module 10,12 of pipeline 24 pneumatic input adapter.Institute is there is in each pressure adjusting module 10,12
The standby magnetic valve of meaning, in the case of intact electrical equipment/electronic unit and in the state of energization, the standby electricity
Magnet valve relative to respective working joint locking from the propons brake circuit 4 in other words of back axle brake circuit 6 service brake pressure
Power, the working joint is in being connected by pneumatic pressure piping 20 and motor vehicle braking system 18.In electrical equipment/ministry of electronics industry
Part breaks down when disturbing in other words, is switched to its flow passing position to the standby magnetic valve ability no power ground and spring loads
In, in the flow passing position, it is then able to transmit respective service brake pressure to motor vehicle braking system 18.
In addition to service braking device, brake apparatus also includes holding brake device, and the holding brake device includes electricity
Parking braking converter (Feststellbremswertgeber) 26, here including such as electric parking brake bar and by electricity
Brake parking lever is controlled.According to the manipulation of electric parking braking converter 26, here, parking braking requires that signal is led by signal
Line 27 is preferably imported into center brake control unit 9, here, parking system is performed preferably in the brak control unit
Dynamic program.Alternatively, it is also possible to which single parking braking control unit is set.Except simple parking braking function (" compress or
Person says release EPB ") outside, parking braking program can also include other function, such as such as trailer control function,
Auxiliary brake function or anti-jack knife braking function.
Here, center brake control unit 9 then preferably transmits parking braking and requires that signal is adjusted to the pressure of back axle
In the local control unit of section module 12, the local control unit requires signal by here such as 6 according to parking braking
Pole electric control wire 30 is manipulated and is arranged in magnetic valve 32 that is on each wheel of back axle and being not separately shown here.Institute
State magnetic valve 32 to be implemented so that they will respectively be in pressure in the case of parking braking requirement, i.e. in the state of energization
Service brake pressure in solenoid road 20 is respectively turned on the pneumatic-mechanic as hydraulically controlled parking brake actuation device
Locking device 34 on, the locking device actively manipulates ground locking by means of service brake pressure pressure by service brake pressure
Tight motor vehicle braking system, for parking braking.In the state of no power, the magnetic valve 32 is switched in its locked position of coupler,
So as to locking device 34 can not be activated.Preferably, the magnetic valve 32 is the 2/2-way with flow passing position and locked position of coupler
Magnetic valve, wherein, there is such magnetic valve 32 in each locking device 34 on back axle.For these magnetic valves 32
Output stage (Endstufe) is preferably arranged in 2 channel pressure adjustment modules 12 of back axle.
For back axle, service brake pressure locking device 34, being in pressure piping 20 that manipulation is pneumatically manipulated
Power can pass through the electric channel 36 of foot brake module 7 and produce in electro-pneumatic brake circuit 2 in other words, or, electrically setting
Under the failure condition of standby/electronic unit by the pneumatic back axle passage 38 of foot brake module 7 in other words in back axle brake circuit 6
Produce.In addition to pneumatic back axle passage 38, foot brake module 7 is also included for controlling the pneumatic of propons brake circuit 4
Propons passage 40.
Additionally, by letter as 6 pole electric control wires 30 to the local control unit transmission of pressure adjusting module 10,12
Number, such as instantaneous vehicle wheel rotational speed, instantaneous brake pad wear, brake lining temperature, and the EPB on back axle
State (unclamp in other words compress).
Service brake actuator 18 compacted position (here：Checking cylinder pneumatically manipulate, on back axle) borrow
Help parking brake actuation device 34 (here：The locking device of pneumatic-mechanic) mechanically lock after, driving can be unclamped
Brake.The magnetic valve 32 for manipulating parking brake actuation device 34 is then switched back in its closed position.
In order to unclamp EPB, the foot brake plate and parking braking converter 26 of pilot control foot brake valves 7, by
This, the magnetic valve 32 for manipulating parking brake actuation device 34 is opened due to manipulating parking braking converter 26.Then due to manipulating
Foot brake plate and build in pressure piping 20 and the service brake pressure that is applied on parking brake actuation device 34 then
It is able to ensure that, parking brake actuation device 34 is (here：The locking device of pneumatic-mechanic) reach its released position, and remove
Locking disappearing service brake actuator 18, up to the present existing.
Therefore, parking brake actuation device 34 (locking device of pneumatic-mechanic) works according to " ball point pen principle ", also
It is to say, carries out respectively " compressing " conversion " unclamped " in other words to " cancelling locking " in other words simultaneously from " locking " by pressure-loaded
And vice versa, wherein, pressure-loaded passes through respectively attached troops to a unit magnetic valve 32 to be carried out, and the magnetic valve is become by parking braking
Parallel operation 26, the local control unit of the channel pressure adjustment module 12 of center brake control unit 9 and 2 are required according to parking braking
And the control of electric-type ground, and controlled by manipulating foot brake module 7, to produce service brake pressure as parking system
The control pressure of acting actuator 34.Therefore, electro-pneumatic parking brake loop includes parking braking converter 26, center brake control
Unit processed 9, the local control unit of 2 channel pressure adjustment modules 12, magnetic valve 32 and parking brake actuation device 34 are (at this
In：The locking device of pneumatic-mechanic).
The component of service braking device and holding brake device electric/electronics, such as center brake control unit 9,
Local control unit, electric transducer, electric parking braking converter 26 in pressure adjusting module 10,12, control parking braking
The magnetic valve 32 of actuator 34, by unshowned power supply supply of electrical energy here.
It is particularly preferred that urgent bleed pressure container 16 ' is integrated into the following way the source of the gas pressure of back axle brake circuit 6
In force container 16：It is fitted into rigid partition wall 42 in the bleed pressure container 16 of back axle brake circuit 6, the partition wall is by back axle
Compressed air volume point of the compressed air volume of the bleed pressure container 16 of brake circuit 6 from urgent bleed pressure container 16 '
Open.
Here, partition wall 42 is for example arranged perpendicular to the longitudinal axis of the bleed pressure container 16 of back axle brake circuit 6.Cause
This, in order to the bleed pressure container 16 for disposing the compressed air volume of urgent bleed pressure container 16 ', back axle brake circuit 6 compares
It is sufficient that generally constructing somewhat longerly.Alternatively, although being integrated with urgent bleed pressure container 16 ', back axle brake circuit 6
The size of bleed pressure container 16 can also keep constant.
The bleed pressure container 16 of back axle brake circuit 6 and the bleed pressure container 17 of propons brake circuit 4 respectively by
One loop, be here multiloop protection valve 48 rear bridge loop 44 and the supply compressed air of front bridge loop 46, described many times
Road protection valve is supplied by unshowned compressor 66 here.Because urgent bleed pressure container 16 ' is integrated into back axle and brakes back
In the bleed pressure container 16 on road 6, the urgent bleed pressure container is by bridge loop 44 after the identical of multiloop protection valve 48
Supply.
Urgent bleed pressure container 16 ' can pass through the valve gear 50 for symbolically being represented by the rectangle of dotted line in the accompanying drawings
It is connected with the feeding pipe 14 of back axle brake circuit 6.
Preferably, the bleed pressure container 16 of the valve gear 50 and back axle brake circuit 6 and be integrated into the source of the gas
Urgent bleed pressure container 16 ' in pressure vessel constitutes a construction unit, and its mode is that the valve gear flange is arranged on gas
Source pressure vessel 16, is placed in common housing on 16 ' or with bleed pressure container 16,16 '.
Preferably, valve gear 50 includes the 2/2-way electricity for for example being controlled by signal conductor 52 by brak control unit 9
Magnet valve 54, wherein, brak control unit 9 controls magnetic valve 54, the sensor device according to the signal of sensor device 56
The pressure drop in the bleed pressure container 16 of back axle brake circuit 6 can either directly or indirectly be detected.
Here, sensor device 56 can include at least one pressure sensor, the pressure sensor is detected in back axle
Bleed pressure in the bleed pressure container 16 of brake circuit 6 or in bleed pressure pipeline 14, or detection is in pressure
Brake pressure in another side, guiding brake pressure the pressure piping 20 of adjustment module 12.Such pressure sensor is outstanding
It can be related to the pressure sensor in the pressure adjusting module 12 for being integrated into back axle originally, and the pressure sensor is logical to each
The actual brake pressure that road measurement is directly present.The pressure drop of brake pressure in other words its completely disappear and show in back axle system
Leakage in the bleed pressure container 16 in dynamic loop 6.Therefore, brake back in back axle if such pressure sensor 56 is detected
The bleed pressure reduced relative to specified bleed pressure in the bleed pressure container 16 on road 6, then can be connected by valve gear 50
Connection between urgent bleed pressure container 16 ' and source of the gas pressure piping 14.
To this alternately or additionally, it is also possible to braked in being recognized according to the vehicle wheel rotational speed characteristic of the wheel being braked
Pressure drop during journey.If there is the brake request of driver, and monitored wheel is because bleed pressure declines
Be not braked too weakly or completely, then this is identified as failure and switching-valve arrangement 50 by brak control unit 9, so as in
It is the compressed air supply that back axle brake circuit 6 is carried out by urgent bleed pressure container 16 '.
Magnetic valve 54 has locked position of coupler and flow passing position, wherein, in flow passing position, the input of the magnetic valve and its
Output end connects, and in locked position of coupler, this connection is interrupted.Magnetic valve 54 especially spring loads in flow passing position
2/2-way magnetic valve.The input of the magnetic valve is connected with urgent bleed pressure container 16 ', and its output end and relaying
The control joint connection of valve 58, the relay valve is connected on urgent bleed pressure container 16 ' and is utilized using its gas source connector
Its working joint is connected on the bleed pressure pipeline 14 of back axle brake circuit 6.
In the state of power-off, reach in its flow passing position to the spring loads of magnetic valve 54 and make urgent bleed pressure to hold
Device 16 ' is connected with the control joint of relay valve 58, therefore, the relay valve is according to the gas in urgent bleed pressure container 16 '
Source pressure in amount is input to this pressure in the bleed pressure pipeline 14 of back axle brake circuit 6 with increasing.In the shape being powered
Under state, magnetic valve 54 interrupts this connection in its locked position of coupler.
This tool has the advantage that：Break down and in back axle system in the electric current supply in other words of electrical equipment/electronic unit
When bleed pressure in the bleed pressure container 16 in dynamic loop 6 declines, although main in the electro-pneumatic service brake loop of back axle
The electric service brake loop wanted is broken down, but secondary, simple pneumatic back axle brake circuit 6 then always can also base
Run in the bleed pressure in urgent bleed pressure container 16 '.As long as to service brake it is possible that also compressed air
In urgent bleed pressure container 16 ', and it is usually enough to for from the service brake at least one times for driving to halted state.
In order to next pin locking device 34 so as to the EPB being pressed on back axle, also fully measure in urgent source of the gas pressure
Compressed air volume in force container 16 '.
Because parking brake actuation device 34 is applied on the service brake actuator 18 of back axle is associated with other words back axle
Wheel, it is favourable to supply compressed air to parking brake loop and back axle brake circuit 6 by urgent bleed pressure container 16 '
, because being then not only able to activate the service brake of back axle using the compressed air in urgent bleed pressure container 16 '
Device and being capable of activating brake device.
Additionally, valve gear 50 preferably includes the first check valve 60, first check valve is connected to following pressure pipings 62
In, the pressure piping is in the rear bridge loop 44 of multiloop protection valve 48 and the bleed pressure container 16 of back axle brake circuit 6
One side, with urgent bleed pressure container 16 ' between the opposing party to extend, and first check valve is realized from rear bridge loop
44 or from the bleed pressure container 16 of back axle brake circuit 6 to urgent bleed pressure container 16 ' in, by pressure piping 62
The compressed air stream of guiding, but forbid compressed air stream in the reverse direction.Guaranteed by means of first check valve 60, promptly
Bleed pressure container 16 ' is constantly filled with maximum bleed pressure.
Additionally, valve gear 50 includes such as the second check valve 64, and second check valve is connected to following pressure pipings 62
In, the pressure piping protects the rear bridge loop 44 of valve gear 48 and the bleed pressure container 16 of back axle brake circuit 6 in multichannel
For a side, with the bleed pressure pipeline 14 of back axle brake circuit 6 is to extend between the opposing party, also, the second check valve reality
Now from rear bridge loop 44 or from the bleed pressure container 16 of back axle brake circuit 6 to the bleed pressure pipe of back axle brake circuit 6
Compressed air stream in road 14, being guided by pressure piping 62, but interrupt backflow in the reverse direction.It is unidirectional using second
Valve 64 is prevented, from the compressed air stream of urgent bleed pressure container 16 ' outflow to the bleed pressure of the leakage of back axle brake circuit 6
In container 16.
It is particularly preferred that the first check valve and the second check valve are connected in series in compressed air line 62 in succession, its
In, from pressure on the position of the bleed pressure pipeline 14 of back axle brake circuit 6 between the first check valve 60 and the second check valve 64
The branch of solenoid road 62.
Self-evidently, substitute and be integrated into the bleed pressure container 16 of back axle brake circuit 6, urgent bleed pressure container
Also can be integrated into the bleed pressure container 17 of propons brake circuit 4, wherein, in this case, valve gear 50 can be by
The urgent bleed pressure container is then for example connected with the bleed pressure pipeline 15 of propons brake circuit 4.Diagonal connection
It is feasible, the urgent bleed pressure container 16 ' being for example integrated into the bleed pressure container 16 of back axle brake circuit 6 is described
Urgent bleed pressure container can be connected by valve gear 50 with the bleed pressure pipeline 15 of propons brake circuit 4, otherwise or
It is as the same.Therefore, urgent bleed pressure container 16 ' can be integrated into the bleed pressure appearance of any compressed air load circuit of vehicle
In device.
List of reference signs
1 brake apparatus
2 electro-pneumatic brake circuits
4 propons brake circuits
6 back axle brake circuits
7 foot brake modules
8 signal conductors
9 brak control units
10 pressure adjusting modules
11 signal conductors
12 pressure adjusting modules
14 supply wire HA
15 supply wire VA
16 bleed pressure container HA
16 ' urgent bleed pressure containers
17 bleed pressure container VA
18 motor vehicle braking systems
20 pressure pipings
22 disk brakes
24 pipelines
26 parking braking converters
27 signal conductors
30 pilots
32 magnetic valves
34 locking devices
36 electric channels
38 back axle passages
40 propons passages
42 partition walls
Bridge loop after 44
Bridge loop before 46
48 multiloops protect valve
50 valve gears
52 signal conductors
54 magnetic valves
56 sensor devices
58 relay valves
60 first check valves
62 pressure pipings
64 second check valves
66 compressors
Claims (18)
1. the blowing plant of vehicle, the brake apparatus (1) with compressed-air control, by compressor (66) by protecting valve
The loop (44) of device (48) supplies the first bleed pressure container (16) of compressed air, and with the second bleed pressure container
(16 '), the first bleed pressure container is used for compressed air supply compressed air load circuit (6), second source of the gas
Pressure vessel can pass through the brake circuit of valve gear (50) and at least one compressed-air control of the brake apparatus (1)
(6) bleed pressure pipeline (14) connection, it is characterised in that second bleed pressure container (16 ') is integrated into described first
In bleed pressure container (16), or a part for composition the first bleed pressure container, and by the protection valve gear
(48), the loop (44) that is associated with the compressed air load circuit (6) supply compressed air.
2. blowing plant according to claim 1, it is characterised in that the system of at least one compressed-air control
Dynamic loop includes the service brake loop (6) of compressed-air control and/or with least one active parking brake actuation device
(34), the parking brake loop of compressed-air control, the parking brake actuation device is compacted by inflation and passes through
Exhaust and it is released.
3. blowing plant according to claim 2, it is characterised in that the row of at least one compressed-air control
Car brake circuit is electro-pneumatic service brake loop, the electro-pneumatic service brake loop have main electric braking loop and
Secondary pneumatic service brake loop (6), the pneumatic service brake in the case of the main electric braking loop fault
Loop is used as standby level.
4. the blowing plant according to Claims 2 or 3, it is characterised in that the parking system of the compressed-air control
Dynamic loop is electro-pneumatic parking brake loop, wherein, the active parking brake actuation device (34) is locked in service brake operation
In compacted service brake actuator (18), to realize parking braking, and the service brake actuator is unlocked, to unclamp
The parking braking.
5. the blowing plant according to claim 3 or 4, it is characterised in that the valve gear (50) is magnetic valve dress
Put, the electromagnetic valve device includes at least one magnetic valve (54) controlled by electronic control unit (9), wherein, the control
Unit (9) controls the magnetic valve (54) according to the signal of sensor device (56), and the sensor device is directly or indirectly
Pressure drop of the ground detection in the first bleed pressure container (16).
6. blowing plant according to claim 5, it is characterised in that the sensor device (56) is including at least
Individual pressure sensor or wheel speed sensor, the pressure sensor is detected in the first bleed pressure container (16)
Bleed pressure either in the bleed pressure pipeline (14) or detection at least one compressed-air control
Brake pressure in service brake loop.
7. the blowing plant according to claim 5 or 6, it is characterised in that the electromagnetic valve device (50) is in power-off
In the state of make second bleed pressure container (16 ') and at least one electro-pneumatic driving corresponding to flow passing position
The bleed pressure pipeline (14) and/or the bleed pressure pipeline with least one electro-pneumatic parking brake loop in dynamic loop
(14) connect, also, correspond to this connection of locked position of coupler locking in the energized state.
8. blowing plant according to claim 7, it is characterised in that the magnetic valve (54) is spring loads to institute
State the 2/2-way magnetic valve in flow passing position.
9. the blowing plant according to claim 7 or 8, it is characterised in that the input of the magnetic valve (54) with
Second bleed pressure container (16 ') connects, also, the output end of the magnetic valve (54) connects with the control of relay valve (58)
Head connection, the relay valve is connected and utilizes working joint using gas source connector with second bleed pressure container (16 ')
It is connected with the bleed pressure pipeline (14) of the brake circuit of at least one compressed-air control.
10. the blowing plant according to any one of the preceding claims, it is characterised in that valve gear (50) bag
At least one first check valves (60) are included, first check valve is connected in following pressure pipings (62), the pressure piping
It is a side in the loop (44) of protection valve gear (48) and the first bleed pressure container (16), with second gas
Source pressure vessel (16 ') is to extend between the opposing party, also, first check valve is realized from the loop (44) or from institute
State it is in the first bleed pressure container (16) to second bleed pressure container (16 '), drawn by the pressure piping (62)
The compressed air stream led, but interrupt compressed air stream in the reverse direction.
11. blowing plants according to claim 10, it is characterised in that the valve gear (50) is unidirectional including second
Valve (64), second check valve is connected in following pressure pipings (62), and the pressure piping is in the protection valve gear
(48) loop (44) and the first bleed pressure container (16) is a side, with the bleed pressure pipeline (14) is another
Extend between side, also, second check valve is realized from the loop (44) or from the first bleed pressure container
(16) to compressed air stream in the bleed pressure pipeline (14), being guided by the pressure piping (62), but locking
Backflow in the reverse direction.
12. blowing plants according to claim 10 and 11, it is characterised in that first check valve (60) and institute
State the second check valve (64) to be connected in series in the compressed air line (62) in succession, wherein, the bleed pressure pipeline
(14) from the pressure piping (62) point on the position between first check valve (60) and second check valve (64)
.
13. blowing plants according to any one of the preceding claims, it is characterised in that second bleed pressure
Container (16 ') is integrated into the following way in the first bleed pressure container (16)：Load rigid partition wall (42) to arrive
In the first bleed pressure container (16), the partition wall is by the first compressed air of the first bleed pressure container (16)
Volume separates with the second compressed air volume of second bleed pressure container (16 ').
14. blowing plants according to claim 13, it is characterised in that the partition wall (42) is perpendicular to described
The longitudinal axis ground arrangement of one bleed pressure container.
15. blowing plants according to any one of the preceding claims, it is characterised in that first bleed pressure
Container (16) is associated with the brake of the back axle of the vehicle.
16. blowing plants according to any one of the preceding claims, it is characterised in that the valve gear (50) with
The first bleed pressure container (16) and second bleed pressure container (16 ') constitute a construction unit, and its mode is,
The valve gear
- flange is arranged on the first and second bleed pressures container (16,16 '), or
- with the first and second bleed pressures container (16,16 ') it is placed in common housing.
17. blowing plants according to any one of the preceding claims, it is characterised in that first bleed pressure
Container (16) supplied with compressed air the brake circuit (6) of at least one compressed-air control of the brake apparatus (1) and/or
The parking brake loop of compressed-air control, the first bleed pressure container is by the compressor (66) by the protection valve
The loop (44) of device (48) is for giving compressed air.
18. vehicles, including the blowing plant according to any one of the preceding claims.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014108555.8 | 2014-06-18 | ||
| DE102014108555.8A DE102014108555A1 (en) | 2014-06-18 | 2014-06-18 | Compressed air device of a vehicle with integrated emergency reservoir |
| PCT/EP2015/063001 WO2015193159A1 (en) | 2014-06-18 | 2015-06-11 | Pneumatic device for a vehicle, comprising an integrated pressurized emergency reservoir |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106660536A true CN106660536A (en) | 2017-05-10 |
| CN106660536B CN106660536B (en) | 2020-03-06 |
Family
ID=53404533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580044142.0A Expired - Fee Related CN106660536B (en) | 2014-06-18 | 2015-06-11 | Compressed air device for a vehicle with an integrated emergency air source pressure container |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3157788A1 (en) |
| CN (1) | CN106660536B (en) |
| BR (1) | BR112016029346A2 (en) |
| DE (1) | DE102014108555A1 (en) |
| WO (1) | WO2015193159A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529591A (en) * | 2019-06-28 | 2019-12-03 | 苏州东风精冲工程有限公司 | A kind of lockable mechanism of automobile gearbox and P grades of hydraulic parking actuators of speed reducer |
| CN115003575A (en) * | 2019-07-12 | 2022-09-02 | 克诺尔商用车制动***有限公司 | Parking brake device for a commercial vehicle |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6781117B2 (en) * | 2017-07-28 | 2020-11-04 | 日立建機株式会社 | Dump truck braking system |
| DE102018102764A1 (en) | 2018-02-07 | 2019-08-08 | Haldex Brake Products Aktiebolag | Brake system for a commercial vehicle, compressed air treatment unit and use of a compressed air conditioning unit |
| DE102019114270A1 (en) | 2019-05-28 | 2020-12-03 | Wabco Gmbh | Electronically controlled pneumatic brake system with two single-channel axle modulators and ABS valves as well as the vehicle with such a brake system |
| EP3798072B1 (en) * | 2019-09-26 | 2021-10-13 | Haldex Brake Products Aktiebolag | Brake system for a commercial vehicle |
| CN114734971B (en) * | 2022-04-29 | 2023-05-09 | 三一电动车科技有限公司 | Vehicle brake control system, control method and vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1122142A1 (en) * | 2000-01-31 | 2001-08-08 | KNORR-BREMSE SYSTEME FÜR NUTZFAHRZEUGE GmbH | Braking system for vehicles in particular commercial vehicles |
| US6601926B2 (en) * | 2001-08-21 | 2003-08-05 | Caterpillar Inc | Air reservoir for air brake system |
| US7117896B2 (en) * | 2003-08-08 | 2006-10-10 | Bendix Commercial Vehicle System Llc | Air system module including reservoir and mounting structure |
| CN1931642A (en) * | 2006-10-13 | 2007-03-21 | 吉林大学 | Pneumatically braking anti-lock brake system for mixed powered automobile |
| US7637985B2 (en) * | 2006-03-30 | 2009-12-29 | Bendix Commercial Vehicle Systems Llc | Dry compressed air supply module |
| CN201525371U (en) * | 2009-11-17 | 2010-07-14 | 东风汽车公司 | Air brake system with low pressure safety protection |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9619535D0 (en) * | 1996-09-19 | 1996-10-30 | Wabco Automotive Uk | An air drier |
| DE102011050064A1 (en) * | 2011-05-03 | 2012-11-08 | Frauenthal Deutschland Gmbh | Container for receiving a pressurized medium such as air with two chambers. |
-
2014
- 2014-06-18 DE DE102014108555.8A patent/DE102014108555A1/en not_active Ceased
-
2015
- 2015-06-11 WO PCT/EP2015/063001 patent/WO2015193159A1/en active Application Filing
- 2015-06-11 BR BR112016029346A patent/BR112016029346A2/en not_active Application Discontinuation
- 2015-06-11 CN CN201580044142.0A patent/CN106660536B/en not_active Expired - Fee Related
- 2015-06-11 EP EP15729422.4A patent/EP3157788A1/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1122142A1 (en) * | 2000-01-31 | 2001-08-08 | KNORR-BREMSE SYSTEME FÜR NUTZFAHRZEUGE GmbH | Braking system for vehicles in particular commercial vehicles |
| US6601926B2 (en) * | 2001-08-21 | 2003-08-05 | Caterpillar Inc | Air reservoir for air brake system |
| US7117896B2 (en) * | 2003-08-08 | 2006-10-10 | Bendix Commercial Vehicle System Llc | Air system module including reservoir and mounting structure |
| US7637985B2 (en) * | 2006-03-30 | 2009-12-29 | Bendix Commercial Vehicle Systems Llc | Dry compressed air supply module |
| CN1931642A (en) * | 2006-10-13 | 2007-03-21 | 吉林大学 | Pneumatically braking anti-lock brake system for mixed powered automobile |
| CN201525371U (en) * | 2009-11-17 | 2010-07-14 | 东风汽车公司 | Air brake system with low pressure safety protection |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529591A (en) * | 2019-06-28 | 2019-12-03 | 苏州东风精冲工程有限公司 | A kind of lockable mechanism of automobile gearbox and P grades of hydraulic parking actuators of speed reducer |
| CN115003575A (en) * | 2019-07-12 | 2022-09-02 | 克诺尔商用车制动***有限公司 | Parking brake device for a commercial vehicle |
| CN115003575B (en) * | 2019-07-12 | 2024-02-23 | 克诺尔商用车制动***有限公司 | Parking brake device for commercial vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3157788A1 (en) | 2017-04-26 |
| WO2015193159A1 (en) | 2015-12-23 |
| CN106660536B (en) | 2020-03-06 |
| DE102014108555A1 (en) | 2015-12-24 |
| BR112016029346A2 (en) | 2017-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106660536A (en) | Pneumatic device for a vehicle, comprising an integrated pressurized emergency reservoir | |
| CA2624113C (en) | Pneumatic emergency brake release timer | |
| CA2203604C (en) | Pneumatic trimline control unit | |
| CA2619322C (en) | Pneumatic emergency brake assurance module | |
| AU2013205185B2 (en) | Park Brake Control Assembly | |
| CN105383467B (en) | Holding brake device | |
| AU720584B2 (en) | Brake pipe sensing unit | |
| CN104411552A (en) | Method for detecting leaks in a brake pressure line, under braking pressure, of a rail vehicle | |
| EP2231451B1 (en) | Brake system | |
| CA2212105C (en) | Dual pneumatic trainline control unit | |
| US10464543B2 (en) | Electro-pneumatic apparatus for controlling the braking of a railway vehicle | |
| EP2165902B1 (en) | Rail vehicle electro-pneumatic brake system and a rail vehicle equipped with such system | |
| CA2203603C (en) | Universal pneumatic brake control unit | |
| US6375277B1 (en) | Manual release valve apparatus for ECP brake equipment | |
| CN112041209A (en) | Emergency release device for a spring-loaded brake of a rail vehicle | |
| CZ289532B6 (en) | Brake system for a locomotive | |
| CN112026734A (en) | Air brake isolation device of railway vehicle and control circuit of emergency brake interlocking | |
| CN101380947A (en) | Auxiliary brake for commercial vehicles | |
| CA2202938C (en) | Penalty brake scheme for straight air pipe brake control equipment |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200306 Termination date: 20210611 |