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SE444148B - CENTRAL PRESSURE MEDIA CONTROL DEVICE - Google Patents

CENTRAL PRESSURE MEDIA CONTROL DEVICE

Info

Publication number
SE444148B
SE444148B SE7806136A SE7806136A SE444148B SE 444148 B SE444148 B SE 444148B SE 7806136 A SE7806136 A SE 7806136A SE 7806136 A SE7806136 A SE 7806136A SE 444148 B SE444148 B SE 444148B
Authority
SE
Sweden
Prior art keywords
control device
pressure
sensors
level
pressure medium
Prior art date
Application number
SE7806136A
Other languages
Swedish (sv)
Other versions
SE7806136L (en
Inventor
H Leiber
Original Assignee
Bosch Gmbh Robert
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of SE7806136L publication Critical patent/SE7806136L/en
Publication of SE444148B publication Critical patent/SE444148B/en

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
    • B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
    • B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
    • B60G17/0164—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input mainly during accelerating or braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/0195—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the regulation being combined with other vehicle control systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
    • B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
    • B60T13/148—Arrangements for pressure supply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
    • B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
    • 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
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B60T17/225—Devices for monitoring or checking brake systems; Signal devices brake fluid level indicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
    • B60T8/328—Systems sharing components with other fluid systems onboard the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/07—Supply of pressurised fluid for steering also supplying other consumers ; control thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Automation & Control Theory (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Description

7aoq1zs-3 “ t 2 logik för att fordonet under alla förhållandefißkall behålla sin bromsförmåga. v Ritning Ett flertal utföringsekempel av uppfinningen beskrivs nedan närmare under hänvisning till åtföljande ritningar, där fig l visar ett första utförande av en centralstyranordning en- ligt uppfinningen, fig 2 visar en detalj av konstruktionen en- ligt fig l och fig 3 visar en annan utföringsform av en central- styranordning. 7aoq1zs-3 “t 2 logic that the vehicle in all conditions fi ßall retain its braking ability. v Drawing Several embodiments of the invention are described below in more detail with reference to the accompanying drawings, where Fig. 1 shows a first embodiment of a central control device according to the invention, Fig. 2 shows a detail of the construction according to Fig. 1 and Fig. 3 show another embodiment of a central control device.

Beskrivning av uppfinningen Pig 1 visar en centralstyranordning, som är tillordnad ett flertal hydrauliska eller pneumatiska system. Dessa utgöres närmare bestämt av följande system.Description of the invention Fig. 1 shows a central control device, which is assigned a plurality of hydraulic or pneumatic systems. These are constituted more specifically by the following systems.

Dels ett exempelvis hydrauliskt bromssystem 1 med en centralstyranordning 37, en pedalmanövrerad bromskraftförstärkare 2 och två bromskretsar I och II. Matningen av bromssystemet över- vakas av en 2/2-vägventil 3.Secondly, for example a hydraulic brake system 1 with a central control device 37, a pedal actuated brake booster 2 and two brake circuits I and II. The supply of the braking system guarded by a 2/2-way valve 3.

Dels ett hydrauliskt ställkolvsystem N med en ställcy- linder 5 för drivning av ett spjäll 6 eller hävarmar eller lik- nande. Matningen av ställkolvsystemet U övervakas av en 3/2-väg- ventil 7.On the one hand, a hydraulic adjusting piston system N with an adjusting linder 5 for driving a damper 6 or levers or the like nande. The feed of the actuator piston system U is monitored by a 3/2-way valve 7.

Dels ett hydraulísktIördonsservostyrsystem 8 med en styrventil 9 och styrcylinder 9'. Styrsystemet 8 har en egen tryckackumulator 10, tryckströmställare ll och backventil 12.Secondly, a hydraulic earth power servo system 8 with a control valve 9 and control cylinder 9 '. The control system 8 has its own pressure accumulator 10, pressure switch 11 and non-return valve 12.

Matningen av styrsystemet 8 övervakas av en 2/2-vägventil 13.The supply of the control system 8 is monitored by a 2/2-way valve 13.

Dels ett hydropneumatiskt fjädringssystem lä med en fjädercylinder 15 och en dubbelventilanordning 16 för tillför- sel och bortledning av energi till respektive från tillhörande kretsar I och II.Secondly, a hydropneumatic suspension system with one spring cylinder 15 and a double valve device 16 for supply sel and discharge of energy to and from associated circuits I and II.

Dels ett hydrauliskt ställsystem 17 med en ställcylin- der 18 för påverkan av en strömställare 19.Secondly, a hydraulic adjusting system 17 with an adjusting cylinder der 18 for actuation of a switch 19.

Dels slutligen ett skiljesystem 20 med en pumpcylinder 21, vilken har separat påfvllningsbehållare 22 och en backven- til 23. Pumpkolven kan påverkas av trycket i den hydruliska centralstyranordningen i och för tryckökning. Avlastringen av ställsystemet 17 övervakas av en 2/2-vägventil 2”.Finally, a separation system 20 with a pump cylinder 21, which has a separate filling container 22 and a non-return valve. til 23. The pump piston can be affected by the pressure in the hydraulic the central control device for pressure increase. The relief of the switching system 17 is monitored by a 2/2-way 2-way valve.

Bromskraftförstärkaren 2 är försedd med en vfitskebehål- lare 25 och en nivåströmställare 26. Till centralstyranordníngen hör dessutom en pump 27 och en ackumulator Zšsamt en elektronisk -__ ../ i i _ , 8 1sos1ss-sj styrapparat 29, som har elektriska förbindelseledningar 30, 31, 32 och 33 till nivåströmställaren 26, en pedalströmställare 3M, en lägesströmställare 35 vid ställcylindern 5 och en lägesstrbm- ställare 36 vid fjädercylindern 15. Hydraulsystemen 1, N, 8, lä, 17 och 20 arbetar på i ochßör sig känt sätt och beskrivs där- för ej närmare här. Medelst flervâgsventilerna 3, 7, 13, 16, vil- ka kan påverkas elektriskt eller medelst tryckmedium, kan syste- men l, U, 8 och lb in- och urkopplas. In- och urkoppling av syste- met 17 utföres direkt av centralstyranordningen 37 och vid syste- met 20 sker urkopplingen medelst flervägsventilen ZN.The brake booster 2 is equipped with a fluid reservoir 25 and a level switch 26. For the central control device also includes a pump 27 and an accumulator Zš as well as an electronic -__ ../ i i _ , 8 1sos1ss-sj control apparatus 29, which has electrical connection lines 30, 31, 32 and 33 to the level switch 26, a pedal switch 3M, a position switch 35 at the setting cylinder 5 and a position current actuator 36 at the spring cylinder 15. Hydraulic systems 1, N, 8, lä, 17 and 20 operate in a manner known per se and are described therein. for not closer here. By means of the multi-way valves 3, 7, 13, 16, can be affected electrically or by means of a pressure medium, but l, U, 8 and lb are switched on and off. Connection and disconnection of system 17 is performed directly by the central control device 37 and at system with 20 the disconnection takes place by means of the multi-way valve ZN.

Urkopplíng av varje enskilt system sker när läckage el- ler annat fel uppträder i systemet. Pig 2 antyder olika möjlig- heter för läckdetektering. Fig 2 visar åter den i fig l visade på- fyllningsbehållaren 25, vilken som framgår är försedd med ej endast en utan med ett_flertal nivåströmställare 38, 39, H0 och Ål samt tre medelst skiljeväggar H2 och H3 separerade kamrar UU, H5 och H6. Skiljeväggen H3 befinner sig mellan de båda bromskret- sarna I och II och är ej lika hög som skiljeväggen H2. Behållaren 25 är fäst vid bromskraftförstärkaren 2 och har en förbindelse- ledning var till bromskretsarna I och II samt en förbindelseled- ning M7 till pumpen 27.Disconnection of each individual system occurs when leakage or smiles other error occurs in the system. Pig 2 suggests different possibilities for leak detection. Fig. 2 again shows the device shown in Fig. 1. the filling container 25, which as shown is provided with no only one but with a plurality of level switches 38, 39, H0 and Eel and three chambers UU separated by partitions H2 and H3, H5 and H6. The partition wall H3 is located between the two brake circuits. I and II and is not as high as the partition H2. The container 25 is attached to the brake force amplifier 2 and has a connection line was to the brake circuits I and II as well as a connecting line M7 to the pump 27.

Hos en dylik konstruktion arbetar läckageavkänningen i ett testprogram på följande sätt.In such a construction, the leakage detection works in a test program as follows.

När strömställaren 38 indikerar tomt sker en första var- ning, vilken för trädesvis skall arbeta intermittent för att gö- ra föraren uppmärksam på felet med hjälp av en blinkande varnings- lampa, exempelvis vid start.When switch 38 indicates empty, a first warning occurs. which, for the time being, must work intermittently to make the driver aware of the fault by means of a flashing warning lamp, for example at start-up.

När strömställaren Bl reagerar är bromssystemet defekt.When the switch B1 reacts, the brake system is defective.

Full varning ges.Full warning is given.

När strömställaren 39 reagerar blinkar en andra eller samma varningslampa. En annan förbrukare än bromssystemet är defekt. Det är även möjligt att genomföra ett testprogram utan strömställaren 38.When switch 39 responds, a second or same warning light. A consumer other than the brake system is defective. It is also possible to perform a test program without switch 38.

Vid användning av en strömställare NO, som företrädes- vis är utförd som multipelnivâströmställare för samtliga sido- förbrukare, kan strömställaren hl undvaras. Testprogrammet har då följande utseende.When using a switch NO, which is preferably is designed as a multiple level switch for all side consumer, switch hl can be dispensed with. The test program has then the following appearance.

När strömställaren 38 indikerar tryckmediebrist sker frânkoppling av de olika sidoförbrukarna i tur och ordning, dvs trvckmatningen avbrytes till den ena sidoförbrukaren efter den* 7806136-3 en andra. Om exempelvis en av sidoförbrukarna är inkopplad och nivån fortsätter att sjunka indikerar detta att denna sido- förbrukare har den sökta läckan.When switch 38 indicates pressure medium shortage occurs disconnection of the various side consumers in turn, ie the power supply is interrupted to one side consumer after the * 7806136-3 en Other. If, for example, one of the side consumers is connected and the level continues to fall, this indicates that this side consumers have the leak sought.

En förenklad lösning av det sistnämnda utförandet är att prioritera bromssystemet och styrsystemet. När då ström- ställaren 38 reagerar inkopplas endast bromssystemet. Om prov- resultatet är positivt för bromssystemet sker därefter prov- ning av styrsystemet. Om ej heller denna provning indikerar nâ- gon läcka bibehålles sidoförbrukarna frånkopplade från energi- tillförseln.A simplified solution of the latter embodiment is to prioritize the braking system and the steering system. When the current the switch 38 reacts only the braking system is switched on. Retest- the result is positive for the braking system, then the test control system. If this test also does not indicate any leakage, the side consumers are disconnected from the energy the supply.

Fig 3 visar en variant av konstruktionen enligt fig l, varvid samma hänvisníngssiffror utnyttjas för motsvarande de- taljer.Fig. 3 shows a variant of the construction according to Fig. 1, the same reference numerals being used for the corresponding hoists.

Denna anordning har dessutom en tryckströmställare S1 som tryckavkännare och en 2/2-vägmagnetventil 52, som är förbun- den med den elektroniska styrapparaten 29.This device also has a pressure switch S1 as a pressure sensor and a 2/2-way solenoid valve 52, which is connected the one with the electronic control device 29.

Ett testprogram har följande utseende. När strömställa- ren 26 frånkopplar på grund av sjunkande nivå i behållaren 25 spärras, under inverkan av centralstyranordningen 37, energitill- förseln till centralstyranordningen via magnetventilen 52 och från pumpen 27 till ackumulatorn 28. Ventilen 7 är stängd. Om provre- sultatet är positivt, således inget tryekfall avkännes, är samt- liga ventiler i bromssystemet täta. Därefter inkopplas nästa för- brukare, nämligen det hydrauliska ställkolvsystemet H, via venti- len 7. Om ej heller detta system uppvisar någon läcka frånkopp- las systemet U åter. På motsvarande sätt provas samtliga sido- förbrukare tills den läcka påträffats, som förorsakat nivåfallet.A test program has the following appearance. When switching clean 26 disconnects due to falling level in the container 25 blocked, under the influence of the central control device 37, the energy supply supply to the central control device via the solenoid valve 52 and off the pump 27 to the accumulator 28. The valve 7 is closed. If provre- the result is positive, thus no pressure drop is detected, valves in the brake system are tight. Then the next connection is switched on. users, namely the hydraulic adjusting piston system H, via the 7. If this system also does not show any leaking disconnection, read system U again. Correspondingly, all side effects are tested consumers until the leak was found, which caused the level drop.

Provningslogiken kan exempelvis även påverkas av en has- tighetssignal hos fordonet, varvid bromsprovet endast kan genom- föras vid stillastående fordon. Detta har den fördelen, att fullt bromstryck kan utnyttjas. För detta ändamål är det även tänkbart att utnyttja en ytterligare gaspedalsignal. Det är även möjligt att vid tryckluftanläggningar utnyttja pneumatiska tryckgívare för läckdetektering. O' Nivå- och/eller tryckgivarna kan ha linjär avkänning eller utvärdering. Alternativt kan avkänningen eller utvärde- ringen företagas stegvis. O ,>. fif š f É . .i .i 1The test logic can, for example, also be affected by a safety signal of the vehicle, whereby the brake test can only be driven in stationary vehicles. This has the advantage, that full brake pressure can be used. For this purpose, it is also conceivable to utilize an additional accelerator pedal signal. It is also possible to use pneumatic pressure sensors in compressed air systems for leak detection. O' The level and / or pressure sensors can have linear sensing or evaluation. Alternatively, the sensing or evaluation the ring is undertaken step by step. O ,>. fif š f É . .in .i 1

Claims (10)

- . »..~. ' (I 178061 36-3- Patentkrav-. ».. ~. '(I 178061 36-3- Patent Claim 1. Central tryckmediestyranordning för fordon, särskilt motor- fordon, med en central energikälla (27) för åtminstone två oli- ka, med förbrukare utrustade tryckmediesystem (1, 4, 8, 14, 17, 20), varvid en av tryckmedium eller elektriskt styrd övervak- ningsventil (3, 7, 13, 16, 24, 52) är anordnad mellan varje tryck- mediesystem eller grupp av tryckmediesystem och energikällan, k ä n n e t e c k n a d av att en elektronisk styrapparat (29) ingår i övervakningsventilernas (3, 7, 13, 16, 24, S2) tryckme- die- eller elektrostyranordning, och att den elektroniska styrap- paraten (29) är kombinerad med en hydraulisk centralstyranordning, som är utrustad med läckdetektering.Central pressure medium control device for vehicles, in particular motor vehicles, with a central energy source (27) for at least two different consumer media (1, 4, 8, 14, 17, 20), with a pressure medium or electric controlled monitoring valve (3, 7, 13, 16, 24, 52) is arranged between each pressure media system or group of pressure media systems and the energy source, characterized in that an electronic control device (29) is included in the monitoring valves (3, 7, 13, 16, 24, S2) pressure medium or electric control device, and that the electronic control device (29) is combined with a hydraulic central control device, which is equipped with leak detection. 2. Anordning enligt krav 1, k ä n n e t e c k n a d av att i centralstyranordningen (37) ingående elektroniska kopplingsorgan för avskiljning eller avstängning av ett läckande tryckmediesys- tem har tillhörande prioriteringslogik.Device according to Claim 1, characterized in that the electronic coupling means included in the central control device (37) for separating or shutting off a leaking print media system have associated priority logic. 3. Anordning enligt krav 1 eller 2, k ä n n e t e c k n a d av att direkt eller indirekt verkande givare utnyttjas för läck- detektering.Device according to claim 1 or 2, characterized in that directly or indirectly acting sensors are used for leak detection. 4. Anordning enligtnågot avkrav 1 - 3, k ä n n e t e c k n a d av att tryckmediet är hydraulvätska.4. Device according to any one of claims 1 - 3, characterized in that the pressure medium is hydraulic fluid. 5. Anordning enligt något av krav 1 - 3, k ä n n e t e c k n a d av att tryckmediet är gasformigt.Device according to one of Claims 1 to 3, characterized in that the pressure medium is gaseous. 6. Anordning enligt krav 4, k ä n n e t e c k n a d av nivågi- vare (strömställare 26, 38, 39, 40, 41) för låckdetekterinq.Device according to claim 4, characterized by a level sensor (switches 26, 38, 39, 40, 41) for lid detection. 7. Anordning enligt krav 4, k ä n n e t e c k n a d av att en kombination av nivågivare (strömställare 26, 38, 39, 40, 41) och tryckgivare (S1) utnyttjas för läckdetektering (fig. 3).Device according to claim 4, characterized in that a combination of level sensors (switches 26, 38, 39, 40, 41) and pressure sensors (S1) is used for leak detection (Fig. 3). 8. Anordning enligt krav 5, k ä n n e t e c k n a d av att pneumatiska tryckgivare (S1) utnyttjas för läckdetektering.Device according to claim 5, characterized in that pneumatic pressure sensors (S1) are used for leak detection. 9. Anordning enligt något av krav 6 - 8, k ä n n e t e c k n a d av att nivå- och/eller tryckgivarna har linjär mätvärdesavkânning eller -utvärdering. 7806136-3Device according to one of Claims 6 to 8, characterized in that the level and / or pressure sensors have a linear measured value sensing or evaluation. 7806136-3 10. Anordning enligt något av krav 6 - 8, k ä n n e t e c k - n a d av att nivå- och/eller tryckgívarna har stegvis mätvärdes- avkänning eller -utvärdering. ' J»Device according to one of Claims 6 to 8, characterized in that the level and / or pressure sensors have stepwise measurement value sensing or evaluation. 'J »
SE7806136A 1977-06-11 1978-05-29 CENTRAL PRESSURE MEDIA CONTROL DEVICE SE444148B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772726465 DE2726465A1 (en) 1977-06-11 1977-06-11 CENTRAL CONTROL FOR VEHICLES

Publications (2)

Publication Number Publication Date
SE7806136L SE7806136L (en) 1978-12-12
SE444148B true SE444148B (en) 1986-03-24

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Application Number Title Priority Date Filing Date
SE7806136A SE444148B (en) 1977-06-11 1978-05-29 CENTRAL PRESSURE MEDIA CONTROL DEVICE

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DE (1) DE2726465A1 (en)
FR (1) FR2393706B1 (en)
GB (1) GB1600703A (en)
SE (1) SE444148B (en)

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FR2393706A1 (en) 1979-01-05
FR2393706B1 (en) 1986-06-20
GB1600703A (en) 1981-10-21
DE2726465A1 (en) 1978-12-21
SE7806136L (en) 1978-12-12

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