CN103140399A - Brake system having a connection, which can be switched by means of a brake pedal, for decoupling a drive device from a piston-cylinder unit - Google Patents
Brake system having a connection, which can be switched by means of a brake pedal, for decoupling a drive device from a piston-cylinder unit Download PDFInfo
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- CN103140399A CN103140399A CN2011800434471A CN201180043447A CN103140399A CN 103140399 A CN103140399 A CN 103140399A CN 2011800434471 A CN2011800434471 A CN 2011800434471A CN 201180043447 A CN201180043447 A CN 201180043447A CN 103140399 A CN103140399 A CN 103140399A
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- piston
- brake equipment
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- force
- 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
- B60T13/74—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 electrical assistance or drive
- B60T13/745—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 electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
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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
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/16—Master control, e.g. master cylinders
- B60T11/18—Connection thereof to initiating means
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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
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
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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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
- B60T8/4077—Systems in which the booster is used as an auxiliary pressure source
Abstract
The invention relates to a brake system having at least one piston-cylinder unit (4) for generating a pressure in at least one working chamber, wherein the working chamber is connected via at least one hydraulic line to at least one wheel brake, and wherein the brake system furthermore has at least one drive device (1) and one actuating device (10), in particular in the form of a brake pedal, and, in normal operation, the drive device (1, 1a) acts via a first force-transmitting means (2) on the at least one first piston (3) of the piston-cylinder unit (4) for the build-up and dissipation of pressure, and in the event of a fault, the actuating device (10) acts mechanically via a second force-transmitting means (5, 16) on the piston (3), wherein the adjustment of the second force-transmitting means (5, 16) by means of the actuating device (10); separates the connection between the first force-transmitting means (2) and the piston (3).
Description
Technical field
the present invention relates to a kind of brake equipment that at least one is used for producing at least one epitrochoidal chamber the piston-cylinder unit of pressure that has, wherein epitrochoidal chamber is connected with at least one car side brake via at least one hydraulic tubing, and wherein brake equipment has at least one actuating device and in addition especially with the operating control of brake pedal form, and actuating device is applied on the first piston of piston-cylinder unit by means of the first force transmission mechanism when normal operation, to be used for pressure initiation and pressure drop, and described operating control mechanically is applied on piston via the second force transmission mechanism under failure condition.
Background technology
Trend in brake system is that vacuum brake power enhancer (V-BKV) is substituted by hydraulic pressure or electronic braking force enhancer (BKV).The embodiment of electronic BKV is described in DE102004050103A1.At this, pressure is adjusted in group separately and carries out.Carry out electronic enhancing via the power sensor, described power sensor causes the enhancing of expectation by the screw driver to piston via electrical motor.Screw acting is used for pressure initiation to taking on moving part, wherein at screw rod with take damper element is installed between moving part.Pressure and its unshowned retracing spring via main brake cylinder are taken resetting of moving part.When motor drove inefficacy, brake pedal was via taking the moving part direct effect to piston.
A kind of electric braking force enhancer of same description in DE102005018649, this electric braking force enhancer, are also completed for the pressure of ABS/ESP and are regulated except strengthening braking force by piston controller corresponding, that have electromagnetic valve.At this, the HZ piston directly is connected with motor driver.This in the low pressure situation rapidly pressure drop be essential because the reset force that here causes by brake-pressure and spring is too little.For motor failure, be the specific power-transfer clutch that bolt and nut arranges, described bolt and nut releasing clutch when motor failure is to such an extent as to treadle effort can be via corresponding transmission part direct effect to the HZ piston.Described solution expends, and needs large structure space.
Be provided with equally multi-level piston or annular piston for the electric braking force enhancer in DE102006050277.Outside piston directly is connected with screw driver, and jointly impels braking force to strengthen and the pressure adjusting with motor.In described solution, when motor drove inefficacy, the internal piston with transfer element was connected with brake pedal equally, to such an extent as to can reach enough braking effects in the case.Problematicly in described solution be that especially at diameter of piston piston packing hour, described little diameter of piston is just preferred for described system.In addition, less piston is disadvantageous owing to comparing with larger so-called floating piston that less volume squeezes, because described floating piston clashes into little piston under high brake-pressure, and brake-pressure differs from one another.
In addition, the power-transfer clutch of known a kind of simplification, wherein pedal push rod causes the decoupling function.When actuator (BKV) lost efficacy, described pedal push rod was applied on power-transfer clutch, and had been applied to after decoupling on the HZ piston.Therefore, the treadle effort for pressure initiation is applied to the HZ piston fully.
In addition, the brake equipment of the type of mentioning during known a kind of the beginning from WO2009/059619A1, described brake equipment has the power-transfer clutch that is arranged between piston and the first power transmission apparatus.Described power-transfer clutch be provided be bearing on piston, especially with the clutching member of bolt, ball or roll form, described clutching member is remained at least in part by the second force transmission mechanism in the recess of the first force transmission mechanism and is used to form form fit.Described power-transfer clutch as the described power-transfer clutch different with respect to prior art, is also the power-transfer clutch with form fit.This power-transfer clutch or attaching parts extremely expend at physical construction and manufacture view.
Summary of the invention
The objective of the invention is, a kind of brake equipment is provided, wherein when the driver element fault can with driver element irrespectively, come mineralization pressure by means of the operating control with the brake pedal form especially in brake cylinder.At this, it should be lowest possible expending, and guarantees high fail safety.
According to the present invention, described purpose realizes by means of brake equipment according to claim 1.
Realize a kind of brake equipment with solution according to the present invention, described brake equipment has very high fail safety under low expending, because for example mechanical part is not blocked as far as possible.Other advantages of the present invention are, have improved diagnosis feasibility, and do not have the additional travel demand to the idle travel of brake system.
The connection that replaces form fit to be connected with power is incorporated with to the HZ piston, main transfer element between screw rod and pedal push rod.When the pressure on piston diminishes in the scope of less pressure, described connection should be worked when pressure drop.In the scope less than 5 bar-10 bar, under low power cooperation coefficient, for example ice, realize pressure drop.In described system, the walk rate of piston affects the pace of change of pressure.It is worth mentioning that, under low stress level, except pressure, elastic force also is applied on piston.Especially at low temperatures, the viscous friction of HZ piston is worked with lagging behind.Force of inertia is little.
Be designed to according to favourable form of implementation, power-transfer clutch has permanent magnet.Measure confirmation, in low range of pressure (＜5 bar) and range of temperatures, the additional engaging force from the HZ piston to screw rod of 60N-80N is enough.If be not to be supposed to the HZ piston from the power that screw rod removes rear violent decline, can weaken by the corresponding utmost point configuration decline of power.
Another advantageous forms of implementation is designed to, and power-transfer clutch has electromagnet.Draw other advantage in this solution, can connect arbitrarily and cut off bonding force thus in addition.In addition, can correspondingly produce higher bonding force by higher lines of force density with described solution.
An advantageous forms of implementation more according to the present invention is designed to, and the second force transmission mechanism has the transmission push rod, and described transmission push rod is by means of power-transfer clutch, especially magnetic clutch is connected with the second force transmission mechanism.In the improvement project of described embodiment, power-transfer clutch comprises the idle travel of the idle travel that can replace first clutch.Can realize the diagnosis of stroke analog machine in very favorable mode with described form of implementation, described diagnosis has decisive meaning for the safety of the function of brake equipment.
The potential that permanent and power-transfer clutch electromagnetism has is, by the part of flux is reduced breakout force via the method for extremely conducting of pedal push rod.If the utmost point of pedal push rod is encountered the HZ piston, the part for magnetic flow realizes short circuit so, to such an extent as to the flux to the pole shoe of screw rod diminishes, and then causes less power.Therefore, favourable improving design of the present invention is that the second force transmission mechanism forms magnetic pole, can derive the part of magnetic flow via described magnetic pole.
Favourable design plan of the present invention is designed to, and the displacement of the second force transmission mechanism causes magnet short-cut path when fault, and described magnet short-cut path causes the magnetic confining force to reduce.
Another form of implementation of the present invention solution work of machinery, wherein clutch appliance has the lock part of machinery.
In order to guarantee that when screw rod damages impact still keeps low, screw rod is provided with fender guard in favourable embodiment.
The magnetic force of the utmost point of pedal push rod can be used in, and stroke simulator or centre part are moved on whole stroke via pedal push rod, and then how other favourable design plans according to the present invention design to diagnose this.
According to the present invention, also be designed for the method for the function of the actuator of diagnosing brake equipment, wherein when moving in order to diagnose, use the parts of actuator magnetic force.
All solutions have fail-safe structure for pressure initiation, do not block etc. because can not occur.The fracture of magnet or unclamp and to prevent by shell, cast body etc.
Description of drawings
By means of accompanying drawing, elaborate advantage and the feature of the present invention and its design plan in description subsequently.
Accompanying drawing illustrates:
Fig. 1 illustrates the schematic diagram according to brake equipment of the present invention;
Fig. 2 illustrates the diagram of power-transfer clutch that comprises the parts of permanent magnet according to having of brake equipment of the present invention;
Fig. 2 a illustrates the partial view according to the structure of the utmost point of the form of implementation of Fig. 2;
Fig. 3 illustrates magnetic clutch;
Fig. 4 illustrates the kayser power-transfer clutch of machinery; And
Fig. 5 illustrates the form of implementation of the alternative of the brake equipment with favourable stroke simulator diagnosis.
The specific embodiment
Fig. 1 illustrates the integrated braking force enhancer that has with the electrical motor 1 of corresponding rotor 1a and bolt and nut, described direct motor drive screw rod 2.Push-rod piston 3 is arranged in tandem main cylinder 4 movingly.In addition, only has when electrical motor 1 or driver functions when normal just effect between push-rod piston 3 and screw rod 2 of power-transfer clutch 14.Power-transfer clutch 14 itself and between push-rod piston 3, screw rod 2 and the pedal push rod 5 that disconnects or cut off power-transfer clutch 14 during in fault be connected to Fig. 1 in only schematically illustrate, and elaborate by means of Fig. 2 to 4.
In when normal operation, the manipulation of brake pedal 10 detects via pedal stroke sensor 11, and via electrical motor 1 and by the screw rod 5 push control rod pistons 3 of the rotor motion of described electrical motor to be used for pressure initiation and pressure drop.The function of pressure initiation and pressure drop is fully known from the document (for example WO2009/059619A1) of describing as prior art and in this application.Thus, fully with reference to described document.By means of the piston-cylinder unit of tandem main cylinder 4, produce pressure initiation and pressure drop with valve 13 via electrical motor 1 in the compound work that is used for each car side brake (not shown).By means of relatively regulating of rotation angle sensor 15 and pressure sensor 12.The pedal counteraction produces via stroke simulator 8.In order to trigger BKV, use as also using the little idle travel (s) 7 in each vacuum BKV, in order to consider the little start delay of electrical motor.Idle travel (s) 7 is advantageously realized between pedal push rod 5 and push-rod piston 3 in described embodiment.
Stroke simulator 8 is integrated in housing 8 jointly with the adaptive idle stroke circuit of describing in DE102006059840.7.Preferably, also can use the idle stroke controller according to DE102009043484.4 in described scheme, because for the diagnosis function of stroke simulator, must be with pedal push rod 5 and described stroke simulator coupling.When normal, the movable housing of stroke simulator is stoped by the stroke simulator hill holder 9 of electromagnetism when motion when electrical motor 1 function.When electrical motor 1 or drives fail, brake pedal 10 is applied on pedal push rod 5 by means of known transfer element and coupling element 6, and described pedal push rod is applied on push-rod piston 3 via power-transfer clutch 14 again.
Pedal push rod 5 also is interpreted as the second force transmission mechanism, power can be transferred on piston 3 from brake pedal 10 via described the second force transmission mechanism.Therefore, the pedal travel direct effect is to tandem main cylinder 4.
By stroke simulator 8 and idle travel (s) 7, when motor function is normal, with pedal travel and piston movement decoupling.
Carry out the triggering of electrical motor via pedal stroke sensor 11.This function is described in the aforementioned patent document.Motion stroke simulator 8 or its housing can be measured via stroke sensor 24 or via pedal stroke sensor 11.The pressure that is used for ABS/ESP is regulated by corresponding motor triggering and piston movement realization in so-called compound work, wherein with control cock 13 alternately as required pressure stage be relevant to and regulate algorithm and switch, to be used for pressure initiation, pressure drop and stable.Can detect corresponding pressure stage via pressure sensor 12.
Because power-transfer clutch 14 only switches when the faulty condition of common rare appearance, yet the function of described power-transfer clutch is conclusive for failure condition, and the structure of power-transfer clutch must be fail-safe.According to Fig. 2 to 4, the corresponding different embodiments of describing the power-transfer clutch that the power cooperation is shown.
Fig. 2 illustrates the solution with permanent magnet 16, and described permanent magnet is fixed in the pole shoe 16a of tank shape.Described permanent magnet and pole shoe all are fixed in push-rod piston 3 by means of snap ring.Described push-rod piston is bearing in THZ housing 4 movingly.Be not described in detail have piston, the described known parts of spring and sealing member.Pole shoe 2b on the front portion that is configured in screw rod 2 of screw rod is applied on pole shoe 16a.When pressure initiation, screw rod power is applied on push-rod piston 3 via two pole shoe 16a, 2b.When pressure drop, push-rod piston 3 by actv. pressure and elastic force in tandem main cylinder 4 additionally and magnetic force move.Do not have large transverse force to be transferred on piston when screw rod impacts in order to make, screw rod 2 constitutes the bend pipe 2a with the wall thickness that reduces forwardly.In described zone, screw rod is surrounded by protection sleeve 18, and described protection sleeve for example is fixed on the leading section of screw rod 2 by means of fixing device.When bend pipe 2a ruptured, protection sleeve 18 prevented that bend pipe breaks away from, to such an extent as to power be transmitted in unbated situation, to be used for pressure initiation.Mutually mate in order to ensure the external diameter of bend pipe 2a and the internal diameter of protection sleeve 18, to such an extent as to when fracture, broken ends can not move stackedly.In other form of implementation, wherein for example transmit push rod and be provided with the constant diameter (as according to Fig. 5) of maintenance in the zone of bend pipe, can cancel fender guard in case of necessity, because described bend pipe closely is guided through the periphery of transmission push rod.Pressure drop speed is only influenced in little range of pressure.This can by with screw position with pressure compare over time diagnose.
In screw rod 2, pedal push rod 5 can be directed by means of thin axle bush 17, and forwardly has larger diameter in 5a, to be used for obtaining higher magnetic force.Screw rod 2 is driven by the bolt and nut that is connected with rotor via the rotor 1a of electrical motor 1.
In order to diagnose the motion according to Fig. 1 description of stroke simulator housing, screw rod 2 is retracted, until idle travel=0.Therefore, magnetic action is to pedal push rod utmost point 5a.Subsequently, when shutoff stroke simulator hill holder 9, make screw rod 2 displacements, in order to diagnose fully the motion of stroke simulator housing via stroke simulator housing stroke sensor 24.Subsequently, be moved back in initial position, and connect again stroke simulator hill holder 9.After screw rod 2 travels forward, then produce idle travel s.
Fig. 2 a illustrates the part of magnetic circuit.When brake activation pedal 10, pedal push rod 5/5a motion, this causes gap smaller, until motor according to the pedal stroke setting value, makes screw rod 2 in case of necessity away from pedal push rod, because described pedal push rod can be coupled with stroke simulator 8.
Now, if there is failure condition or drives fail, realize so being transformed into and return to level upward to be used for by means of the brake pedal direct control.At this, magnetic force is applied on the pedal push rod utmost point 5a of the piston shape that consists of on the front end of pedal push rod with the form of traction, until the described pedal push rod utmost point is met pole shoe 16a.At this, pass Φ
2The part of total flux by short circuit, to such an extent as to the Φ of the pole shoe 2b of screw rod 2
1Diminish.Therefore, adhesive ability descends, to such an extent as to it is poor to overcome large like this power when continuing motion.The change curve of power also can be constructed by the utmost point configuration radially that illustrates of pole shoe 16a, and makes together with the rising that descends from power stronger after push-rod piston 3 is crossed air bleed hole with pressure to occur.
Fig. 3 illustrates the embodiment of the electromagnetism of power-transfer clutch.At this, the coil with yoke 19 produces flux, described flux via pole shoe 16a be directed on screw rod 2b with pedal push rod 5b on pole shoe, and produce corresponding magnetic force.Function is distributed with flux and is conformed to Fig. 2.With Fig. 2 on the contrary, do not produce breakout force when drives fail, because be cut off in this effect of 19.
Fig. 4 illustrates the lock part of machinery by the ball 20 in draw-in groove 22 or roller.According to the geometric profile of elastic force 21 and draw-in groove, produce bonding force and about the change curve of the stroke of pedal push rod.As shown in Figure 2, diagnose.
About the diagnosis of stroke simulator slide, Fig. 5 illustrates the alternative scheme with second clutch 26, and described second clutch is configured between pedal push rod 5 and transmission push rod 5a, and has the design alternative in the idle travel s of the idle travel of power-transfer clutch 14.At this, for shown in the replenishing of Fig. 1 via 3 the line of force from brake pedal 10 to push-rod piston of power-transfer clutch.Repeat to have the embodiment according to Fig. 2 of push-rod piston 3 and permanent coupler 14 in the left side of figure, and repeat from the line of force of brake pedal 10 beginnings at the right-hand part of figure.Described power is transferred on pedal push rod 3, and described pedal push rod is applied on stroke simulator spring 8a in stroke simulator housing 8.As described at Fig. 1, described stroke simulator housing is stoped by stroke simulator hill holder 9, and just be disengaged stop when actuator 1a lost efficacy.The stroke of stroke simulator housing is via sensor 24 or pedal stroke sensor 11(Fig. 1) determine.Described housing is via retracing spring F
RBe pressed onto on the stopper section.Under normal circumstances, screw rod 2 is transferred to power on push-rod piston 3 via pole shoe 2a for pressure initiation.When pressure drop, pressure-acting is on push-rod piston 3, piston reset spring 28, and additionally, bonding force is applied on screw rod 2.
When actuator 1a lost efficacy, stroke simulator hill holder 9 was removed stop, and treadle effort is applied on piston 3 via pedal push rod 5 and transmission push rod 5b.Alternative is in the stroke simulator housing, and power-transfer clutch is formed in pedal push rod 5 and to the centre part between the transmission push rod 5b of piston.
The diagnosis of the mobility of stroke simulator housing is very important, because be difficult to movable state or blocked state obstruction or prevent that treadle effort is transferred on piston when drives fail.
As describing ground, at this, via screw rod, power-transfer clutch 1, transmission push rod 5b is by means of permanent magnet 27 motions, and this causes after overcoming idle travel s and strikes on pedal push rod 5.Therefore, second clutch 26 is actvies.This power-transfer clutch also can be similar to Fig. 4 and constitute the mechanical latch section with ball or leaf spring.Backstop spring 29 act as and prevents from colliding.As an alternative, push rod 5b also can be permanently connected with pole shoe.By with the method for pole shoe 2b by means of the screw rod lifting, avoid colliding on second clutch 26.Subsequently, for pressure initiation makes screw motion, and stroke simulator housing 8a motion is through enough stroke s
WS, and measured by sensor 24.Under blocked state or very difficult movable state, motion is not through specified stroke.Sensor 24 via the pedal stroke sensor 11 of describing in Fig. 1 or stroke simulator housing can be measured described motion.The latter's advantage is that the motion of stroke simulator housing is measured on little stroke sw when each braking, until housing is stoped by stroke simulator hill holder 9.After arriving full stroke, via screw rod, the stroke simulator housing is moved back in initial position.Then, carry out the connection of stroke simulator hill holder 9.With the screw rod displacement, produce again thus the idle travel s that needs.
Diagnosis is by means of following Event triggered, and described event must be carried out before the beginning of travelling, for example after door is opened.Required time is about 200ms and then is sufficiently rapid.
Reference numerals list
1 electrical motor
1a has the rotor of bolt and nut
2 screw rods or the first force transmission mechanism
The 2a knee
The pole shoe of 2b screw rod
3 push-rod pistons
The recess of 3a tank shape
4 series connection main brake cylinders
5 pedal push rods or the second force transmission mechanism
5a pedal push rod pole shoe
5b transmits push rod
6 coupling elements to brake pedal
7 idle travel s on piston
The idle travel s of 7a on pedal push rod
8 stroke simulator or stroke simulator housing
9 stroke simulator hill holders
10 brake pedals or operating control
11 pedal stroke sensors
12 pressure sensors
13 control cocks
14 power-transfer clutchs
15 rotation angle sensors
16 permanent magnets
The 16a pole shoe
17 axle bushes
18 protection sleeves
19 have the yoke of coil
20 balls
21 springs
22 draw-in grooves
23 are used for the retracing spring of push-rod piston
24 stroke simulator housing stroke sensor
26 power-transfer clutchs
27 permanent magnets
28 piston reset springs
29 backstop springs
Claims (15)
1. brake equipment, it has for produce at least one piston-cylinder unit (4) of pressure at least one epitrochoidal chamber, wherein said epitrochoidal chamber is connected with at least one car side brake via at least one hydraulic tubing, described brake equipment has at least one actuating device (1 in addition, 1a) and especially with the operating control (10) of brake pedal form, wherein said actuating device (1, 1a) be applied at least one first piston (3) of described piston-cylinder unit (4) by means of the first force transmission mechanism (2) when normal operation, to be used for pressure initiation and pressure drop, and described operating control (10) mechanically is applied on described piston (3) via the second force transmission mechanism (5) under failure condition, it is characterized in that, be provided with adaptor union or the power-transfer clutch (14) of the power cooperation that can separate by means of the displacement of described the second force transmission mechanism (5) between described the first force transmission mechanism (2) and described piston (3).
2. brake equipment according to claim 1, is characterized in that, described power-transfer clutch (14) has the magnetic mechanism (16,19) for generation of confining force.
3. brake equipment according to claim 2, is characterized in that, described power-transfer clutch (14) has permanent magnet (16).
4. brake equipment according to claim 2, is characterized in that, described power-transfer clutch (14) has electromagnet (19).
One of according to claim 2 to 4 described brake equipment, it is characterized in that, described the second force transmission mechanism (5) magnetic poles, via described magnetic pole can the magnetic flux amount a part.
One of according to claim 2 to 4 described brake equipment, it is characterized in that, the displacement of described the second force transmission mechanism (5) causes magnet short-cut path under failure condition, described magnet short-cut path causes the reduction of magnetic confining force.
7. brake equipment described according to one of aforementioned claim, it is characterized in that, described the second force transmission mechanism has transmission push rod (5b), and described transmission push rod is by means of power-transfer clutch (26), especially be connected with described the second force transmission mechanism (5) by means of magnetic cluth.
8. brake equipment according to claim 7, is characterized in that, described power-transfer clutch (26) has idle travel s.
9. brake equipment according to claim 1, is characterized in that, described power-transfer clutch (14) has mechanical latch section (20,21,22).
10. brake equipment described according to one of aforementioned claim, is characterized in that, described the first power transmission apparatus has the screw rod (2) with the crooked pipe of energy, and described screw rod is provided with fender guard, especially is provided with protection sleeve (18).
11. brake equipment described according to one of aforementioned claim, it is characterized in that, be provided with for the spacing (s) that consists of idle travel (7a) between described operating control (10) and described piston (3) or the stroke simulator (8) that connects between it, wherein said idle travel especially is arranged between described the second force transmission mechanism (5) and described piston (3).
12. brake equipment described according to one of aforementioned claim is characterized in that, is provided with stroke simulator (8) between described operating control (10) and described piston (3), the pedal stroke restriction of described stroke simulator can be turned off.
13. brake equipment according to claim 10 is characterized in that, described stroke simulator (8) can be via magnetic mechanism or mechanical mechanism motion when closing hill holder (9).
14. brake equipment described according to one of aforementioned claim is characterized in that, (1,1a), described brake equipment regulates for the ABS function and/or the required braking force of ESP function strengthens and pressure is regulated by correspondingly triggering described actuating device.
15. be used for the diagnosis brake equipment, especially according to the method for the function of the actuator of the described brake equipment of one of aforementioned claim, it is characterized in that, drive element moves by means of magnetic force, this motion is provided for diagnosis.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010044754.4 | 2010-09-08 | ||
| DE102010044754A DE102010044754A1 (en) | 2010-09-08 | 2010-09-08 | Brake system with a switchable by a brake pedal connection for decoupling a drive means of a piston-cylinder unit |
| PCT/EP2011/004408 WO2012031718A2 (en) | 2010-09-08 | 2011-09-01 | Brake system having a connection, which can be switched by means of a brake pedal, for decoupling a drive device from a piston-cylinder unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103140399A true CN103140399A (en) | 2013-06-05 |
Family
ID=44719822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800434471A Pending CN103140399A (en) | 2010-09-08 | 2011-09-01 | Brake system having a connection, which can be switched by means of a brake pedal, for decoupling a drive device from a piston-cylinder unit |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103140399A (en) |
| DE (1) | DE102010044754A1 (en) |
| WO (1) | WO2012031718A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109476300A (en) * | 2016-07-14 | 2019-03-15 | 爱皮加特股份公司 | The diagnostic method of at least one component for motor vehicle |
| CN110027524A (en) * | 2018-01-12 | 2019-07-19 | 比亚迪股份有限公司 | The pedal sense simulator of vehicle and vehicle with it |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011106626A1 (en) | 2011-06-17 | 2012-12-20 | Ipgate Ag | High dynamic short-drive assembly for brake system of motor car, has hydraulic actuator that is partially provided in inside electric motor provided with rotor in cavity, and integrated transmission for actuating hydraulic actuator |
| DE102011118365A1 (en) | 2011-11-14 | 2013-05-16 | Ipgate Ag | Electronically controllable brake confirmation system |
| DE102013100741A1 (en) * | 2013-01-25 | 2014-07-31 | Ipgate Ag | Drive device for vehicle, has motor casing comprising housing portion extended radially on one side of stator, and arranged with rotor bearings and bearing for gearbox |
| EP2852517B1 (en) | 2012-04-20 | 2019-05-15 | IPGate AG | Bearing arrangement in an axial drive |
| CN105636842B (en) | 2013-09-16 | 2020-07-17 | 爱皮加特股份公司 | Brake system and method for operating a brake system |
| DE102013110188A1 (en) | 2013-09-16 | 2015-03-19 | Ipgate Ag | Actuating device for a motor vehicle brake system |
| KR102317791B1 (en) | 2013-09-16 | 2021-10-26 | 이페게이트 아게 | Electric-actuated pressure regulator- and volume-delivery units |
| DE102013111974A1 (en) | 2013-10-30 | 2015-04-30 | Ipgate Ag | Actuating device for a vehicle brake |
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| CN109476300A (en) * | 2016-07-14 | 2019-03-15 | 爱皮加特股份公司 | The diagnostic method of at least one component for motor vehicle |
| CN109476300B (en) * | 2016-07-14 | 2021-11-05 | 爱皮加特股份公司 | Method for diagnosing at least one component of a motor vehicle |
| US11279337B2 (en) | 2016-07-14 | 2022-03-22 | Ipgate Ag | Diagnostic method for at least one component of a motor vehicle |
| CN110027524A (en) * | 2018-01-12 | 2019-07-19 | 比亚迪股份有限公司 | The pedal sense simulator of vehicle and vehicle with it |
| CN110027524B (en) * | 2018-01-12 | 2021-09-03 | 比亚迪股份有限公司 | Pedal feel simulator of vehicle and vehicle with same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012031718A3 (en) | 2012-08-02 |
| WO2012031718A2 (en) | 2012-03-15 |
| DE102010044754A1 (en) | 2012-03-08 |
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Application publication date: 20130605 |