CN103847718B - Brake fluid system for two wheeler - Google Patents
Brake fluid system for two wheeler Download PDFInfo
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- CN103847718B CN103847718B CN201310631055.8A CN201310631055A CN103847718B CN 103847718 B CN103847718 B CN 103847718B CN 201310631055 A CN201310631055 A CN 201310631055A CN 103847718 B CN103847718 B CN 103847718B
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- 230000001133 acceleration Effects 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 16
- 239000000523 sample Substances 0.000 claims description 15
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- 230000009977 dual effect Effects 0.000 claims 1
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- 238000005259 measurement Methods 0.000 description 4
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- 230000001976 improved effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
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- 230000003213 activating effect Effects 0.000 description 1
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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
- 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
- B60T8/3225—Systems specially adapted for single-track vehicles, e.g. motorcycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L3/00—Brake-actuating mechanisms; Arrangements thereof
- B62L3/02—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever
- B62L3/023—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever acting on fluid pressure systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/42—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 having expanding chambers for controlling pressure, i.e. closed systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/42—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 having expanding chambers for controlling pressure, i.e. closed systems
- B60T8/4208—Debooster systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/42—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 having expanding chambers for controlling pressure, i.e. closed systems
- B60T8/4208—Debooster systems
- B60T8/4266—Debooster systems having an electro-mechanically actuated expansion unit, e.g. solenoid, electric motor, piezo stack
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Regulating Braking Force (AREA)
Abstract
The present invention provides a kind of devices for adjusting the braking system of two wheeler.Described device includes the sensor and at least one unit for being mechanically disconnected from the brake of the two wheeler whether at least one trailing wheel for detecting the two wheeler rises from road surface.In addition the device according to the invention includes controller, when at least one sensor detects that the trailing wheel of the two wheeler rises from road surface, the controller sends out order at least one unit for hydraulically disengaging the brake of the two wheeler, so that the brake of the two wheeler disengages.
Description
Technical field
The present invention relates to a kind of device being used to adjust braking system, in particular for the two wheeler of adjusting such as bicycle
Braking system.
Background technology
Simple bicycle is becoming increasingly popular.Since the requirement increasingly promoted to this kind of bicycle always further improves
This kind of bicycle.In the meantime in addition to purely by manually driven machinery two wheeler, there are more and more modifications, at least
Partly combined with electric driver.Embodiment to this is electric bicycle.The present invention however can also be in small motorization
It is applied in two wheeler.
The average speed that this two wheeler is improved by various improvement projects is possible.Thus however also always
Braking system is put forward higher requirements.
Therefore known such braking system in the prior art, passes through disk brake, drum brake and wheel rim
Brake operation, they are manipulated with tackle pulley or hydraulically.It is realized and is manipulated by drive chain in the case of pedaling lock after.
If manipulating the brake bar on handlebar in bicycle, start braking process.If pulled up in brake bar
It is dynamic, then one or more brake shoes to be pressed onto to the wheel rim or wheel hub of wheel in most instances.Commonly using wheel rim brake
In addition dragline type brake and liquid braking device are applied in the embodiment of device.
However these for two wheeler braking systems have only control without the feature of adjusting.For brake force
The single system of limitation is, for example, force limiting device in drawstring or by the indirect of the adjusting in the manipulation path on brake bar
Force limiting device.
In order in braking process just not Antilock brake system, develop simple machinery anti-locking apparatus.However do not have so far
It can realize the system.
Modern rim brake and disk brake has braking power become better and better and faster first now.
This indicates that current braking system realizes higher and higher braking deceleration.
However improve braking power the problem of be, always more frequently result in by the tumble of handlebar driver and by
Lead to severe injury.
Higher and higher average speed is realized additionally by the electric driver in two wheeler or bicycle to this.
Thus the accident risk in so-called electric bicycle is increased naturally.
Another advantage is that, it can be used now for regulating system electric energy in the two wheeler with electric driver.
The device according to the invention first and foremost prevents to pass through front truck tumbling driver.Pass through this as other function
System equally prevents the locking of wheel.It is supported actively and optimally in braking by system driver and improves system
Dynamic power.
Invention content
The present invention proposes a kind of device for adjusting the braking system of two wheeler according to first aspect.For controlling two-wheeled
The device of the braking system of vehicle includes：At least one sensor, the sensor be used for detect the two wheeler trailing wheel whether
It is risen from road surface；At least one unit, the unit are used to hydraulically disengage the brake of the two wheeler；And controller,
When at least one sensor detects that the trailing wheel of the two wheeler rises from road surface, the controller is at least one use
Order is sent out in the unit for the brake for hydraulically disengaging the two wheeler, so that the brake of the two wheeler disengages,
Wherein, the unit of at least one brake for hydraulically disengaging the two wheeler include double action hydraulic cylinder and
Electric driver；Or wherein, the unit of at least one brake for hydraulically disengaging the two wheeler includes tooth
Wheel pump and electric driver；Or wherein, at least one unit for hydraulically disengaging the brake of the two wheeler
Another hydraulic circuit and complementary tank, when for detect the two wheeler trailing wheel whether the sensor risen from road surface its
One of measure the two wheeler trailing wheel rise when, then being switched to another hydraulic circuit and complementary tank.
In two wheeler for the embodiment of above-mentioned rim brake, closed in the brake bar on manipulating handlebar
Two brake arms of brake.By the friction of generation bicycle is slowed down.If the deceleration on front-wheel is too big, after
Wheel rises from road surface and entire two wheeler is faced through front truck the danger tumbled.
In order to identify, whether two wheeler, which rises from road surface and face in turn, is tumbled（Überschlag）Danger, the biography
Sensor can detect whether two-wheeled back wheels of vehicle rises from road surface and apply different information.Specifically, it can not only apply
Acceleration, wheel revolutions, the vehicle wheel rotational speed of wheel can also apply each combination being made of these measured values.
Liquid braking device indicates that a kind of brake, power transmission are hydraulically realized, that is to say, that passes through the liquid in pipeline
It realizes.Liquid braking device is with convincing compared to the significantly better feature of tradition machinery brake.Therefore liquid braking device energy
It is enough substantially better to carry out dosage and there is higher brake force.
It is connect with two brake arms via fluid pressure line in this brake bar, the brake arm is arranged in the two of the wheel rim of wheel
On side.In braking, the opposed facings made of agglomerated material is forced into two wheel rim sides（Felgenflanken）On,
To generate braking action by friction.Rim type brake is applicable not only to simple daily wheel and suitable for sports fortune
Dynamic field.For rim type brake, only tool has there are one the system of fixed point and in wheel rim both sides above tire
There are two distinct between the system of the double-body bike of fixed point.
The device according to the invention can identify additionally by wheel revolutions are measured and prevent front wheels and rear wheels
Locking.Thus especially front-wheel be always to maintain it is controllable.
In addition, the device according to the invention includes at least one unit, the unit is for hydraulically disengaging the two-wheeled
The brake of vehicle.Being used herein to the unit of hydraulic pressure disengagement can be directly engaged against in fluid pressure line, this expression, by being used for hydraulic pressure
The unit that ground disengages the brake of two wheeler reduces the pressure in fluid pressure line, thus the system of brake arm disengagement and brake
Thus power reduces.When the unit and the unit that are no longer needed for disengagement brake no longer work, then fluid pressure line
In pressure increase again, thus brake obtains the brake force of original again.
The unit that the hydraulic pressure of brake for two wheeler disengages can be implemented as a pure hydraulic system, for preventing vehicle
Wheel locking is also used for the rise of detection trailing wheel and is used to that driver be avoided to tumble by handlebar in turn.In addition it is also contemplated that
Hydraulic system is connect by electro-hydraulic system with electric driver.
In addition to this, the device according to the invention further includes controller, when the sensor detects the two wheeler
When trailing wheel rises from road surface, the controller sends out order to the unit of the brake for hydraulically disengaging the two wheeler,
To disengage the brake of the two wheeler.
If controller identify it is possible tumble or trailing wheel from road surface rise, such as front wheel brake circuit execution
Device is triggered.Brake arm is opened and front-wheel can rotate more quickly, to avoid tumbling.
After subsequent trailing wheel is located on road surface again, controller shutdown disengages the unit of two wheeler brake for hydraulic pressure
And braking system continues to work with not adjusting intervention.
Each suitable for drum brake, disk brake and rim brake of the device according to the invention in principle
Type.
The advantages of device proposed, is that the system realizes with having the advantages that all adjustings actively to adjust and intervene
Into bicycle braking system.Braking distance is shortened and at the same time preventing due to optimal braking force distribution and support first
Driver is tumbled by front truck handle.
In addition the device according to the invention passes through the ABS（Anti-lock braking system）Function prevents the locking of wheel.This causes again
It prevents wheel skid and thus avoids the travelling characteristic for falling and improving two wheeler.
In addition, supporting actively and optimally driver and to improve braking power in braking by the system.
Preferably, for detect the two wheeler trailing wheel whether at least one of the sensor risen from road surface sensing
Device is acceleration transducer.Acceleration transducer measures the position of bicycle and the measured value is transferred to controller.Herein
Can be identified by the vector of acceleration transducer tumble or trailing wheel from road surface rise.Acceleration transducer can pass through driving
The center of gravity transfer of member detects position of centre of gravity and is accounted in adjusting.
It is furthermore preferred that for detect two wheeler trailing wheel whether at least one of the sensor risen from road surface biography
Sensor is tachometer generator.It generally should be in the upper installation tachometer generator of each of two wheels.It is respectively obtained in this controller
The measured value of the wheel revolutions transmitted from front wheels and rear wheels.So tumble can by take turns in the past the limit revolution difference of trailing wheel come
Identification.
Because of wheel revolutions transducers measure wheel revolution, then can also be by wheel revolutions transducers measure wheel
That is no locking stops.It is possible thereby to trigger the actuator of corresponding wheel when facing wheel stationary and threatening.Therefore de-
Open corresponding brake arm.It means that being also possible to prevent the wheel lock up of two wheeler by the device according to the invention.
It is furthermore preferred that for whether detecting the trailing wheel of the two wheeler from least one in the sensor that road surface is risen
A sensor is speed probe.It tumbles or trailing wheel rise can also be identified by speed probe.Speed probe measures master
The rotary speed of body.
Pass through different sensors information（Acceleration transducer, wheel revolutions sensor and speed probe）Combination can be with
Preferably identification is tumbled.
It is furthermore preferred that at least one unit that the hydraulic pressure of the brake for the two wheeler disengages is double action
Hydraulic cylinder and electric driver.Hydraulic cylinder is introduced in fluid pressure line to this.By brake activation bar cylinder upper chamber
Middle formation pressure moves down to the plunger of hydraulic cylinder and activates brake simultaneously and brake two wheeler.In hydraulic cylinder
It is fixed on plunger that there are one racks.
By one for example to be fixed with the motor form of gear --- gear moves on rack --- thereon
Electric driver so can equally intervene in brake circuit.
Longitudinal coordinate system as electric driver or the direction of rotation of motor of drive shaft, mirror is used below
It is come out from electric machine casing in axis.
If motor is clockwise or to right rotation, rack moves up.Thus the fluid pressure release in brake
And brake disengages.
However if motor is counterclockwise or to right rotation, rack moves down.Thus the fluid pressure in brake
It increases and the braking action of brake increases.People adjustably intervenes in system in this way.
It is furthermore preferred that for the two wheeler brake hydraulic pressure disengage at least one unit be gear pump and
Electric driver.Gear pump is encased in the brake bar on handlebar and the fluid pressure line between brake at this.It is manipulating
Brake fluid is pressed onto in gear pump when brake bar.Brake fluid rotation of the gear based on inflow in the gear pump.Then
Brake fluid is flowed into brake.Brake pressure is thus established in brake and brake makes two wheeler slow down.
If decontroling brake bar, brake disengages, because brake fluid can flow back again.It means that decontroling
Low pressure is generated when brake bar, and brake fluid is pulled to be pumped back in the main braking cylinder in brake bar by fluid pressure line and gear.
If electric driver such as motor is coupled with gear pump, the system can be adjusted.Embodiment to this is tooth
One of two wheels of wheel pump are connect with motor.If motor is clockwise or to right rotation, by brake fluid by braking
Device is transported in the main braking cylinder on brake bar and brake disengages.
If motor rotates counterclockwise, brake fluid is transported to by brake bar in brake, thus brake pressure
Raising and brake.Braking system adjustably interferes in brake circuit in this way.
The cylinder of double action can be exchanged by gear pump and on the contrary in two the above embodiments.
It is furthermore preferred that for the two wheeler brake hydraulic pressure disengage at least one unit there are another liquid
Push back road and complementary tank, if for detect the two-wheeled back wheels of vehicle whether the measurement of one of the sensor risen from road surface
It is raised to the two-wheeled back wheels of vehicle, then being switched to another hydraulic circuit and complementary tank.
In the braking process of one " normal ", do not intervene in brake adjustably, it is logical by means of brake activation bar
It crosses the mobile main braking cylinder of mechanical connection and pressure is established.
In brake fluid quilt to fluid pressure line in the main braking cylinder, it is flowed into wheel system directly on the brake
In dynamic cylinder.Brake shoe is squeezed relative to wheel rim now, thus activation braking.
If decontroling brake bar again now, the piston of main braking cylinder is withdrawn into home position by the spring in main braking cylinder.
The movement can be supported additionally by the spring of another in wheel brake cylinder.Piston in main braking cylinder is moved to its original
During beginning position, low pressure is generated in main braking cylinder, returns to main brake again for the brake fluid in fluid pressure line simultaneously
In cylinder.
If braked now by the such degree of brake bar so that wheel lock up or trailing wheel rise from road surface, this meaning
Taste, and bicycle faces the threat tumbled forward, can reduce the brake pressure in the brake of corresponding wheel and by
This terminates the locking of wheel.A valve is installed in the fluid pressure line between main braking cylinder and wheel brake cylinder thus.It is right
In the embodiment of such valve be 3/2 reversal valve for having spring reset.
If the pressure limit in wheel brake cylinder is too high, which can be discharged by converting the valve.It is logical
It crosses and converts brake fluid of the valve in another pipeline and flow back into complementary tank.
If present wheel revolutions sensor identifies that wheel faces a danger again, which connects back to original liquid again
Pressure pipe road, and filling of the pressure based on wheel brake cylinder present in main braking cylinder and fluid pressure line prevents pressure from declining
Act on wheel brake cylinder.Intervene adjusting（Also referred to as ABS（Anti-lock）Intervene）Preceding existing pressure can be for example, by system
More manipulation paths of lever reach again.However the adjustment process is not without terminating long continue.Because not knowing when lead
Checking cylinder, which is empty and braking system, no longer to be braked.
Therefore it is furthermore preferred that the unit that the hydraulic pressure for the brake disengages further includes horizontal limeit switch, such as
The liquid level of main braking cylinder described in fruit reaches a minimum value, then the horizontal limeit switch OFF is used for the brake
Hydraulic pressure disengage unit.
Horizontal limeit switch is mounted in or on wheel brake cylinder and is touched when liquid level reaches a minimum value
Hair.Can be so such situation when the piston in main braking cylinder reaches horizontal limeit switch.
When reaching horizontal limeit switch, the limit switch interrupts actuator power supply, that is, voltage, is used to control
The valve is transformed into another fluid pressure line by device from the first fluid pressure line.Therefore then further adjusting intervention is no longer possible
And nonetheless driver can also make bicycle be in static shape under no possibility for adjusting intervention or ABS functions
State.
If decontroling the brake bar on handlebar again now, cylinder is withdrawn into its raw bits by the spring in main braking cylinder again
It sets.The movement supports that the wheel brake cylinder has the feature of spring-return additionally by wheel brake cylinder.The spring-return
Wheel brake cylinder is used to ensure the reply of brake shoe.
When the piston in main braking cylinder is moved back into its home position, wherein generating low pressure, which is used for one simultaneously
Check-valves is opened, which is arranged in the fluid pressure line between main braking cylinder and complementary tank.Thus brake fluid is from standby
It is flowed in main braking cylinder with container.
And if then the low pressure in main braking cylinder reaches close to zero, because the main braking cylinder is full of brake fluid, only again
Valve base is returned to close again in integrated spring.
In order to which the device according to the invention in this embodiment works well, the capacity in main braking cylinder is compared to vehicle
The capacity taken turns in checking cylinder should be big.
If the piston of main braking cylinder reaches horizontal limeit switch, horizontal limeit switch is opened and then the electricity of interruption valve
Source, thus the valve should be moved back into its home position again.Therefore the valve of selfer should be applied.
It thus ensures, main braking cylinder will not be the possibility that empty and driver always has braking two wheeler.
Spring in valve can be used for, in case of a fault under the system fault conditions of such as electric device, valve connection
It returns to its home position and therefore ensures that, normal braking function always can be used.This indicates backup.
When using check-valves without the use of electronic 2/2 reversal valve as valve, then the system needs the less energy, and
And the system also becomes less expensive based on simpler valve.
The advantages of two power supplys, is that the voltage monitoring of the power supply of one side actuator is possible.It is micro- in controller
Controller detects the battery exhausted and informs driver by means of vision and/or auditory message.
Therefore, the bicycle speed meter with microcontroller, such as extension（Fahrradtacho）Controller power supply
Capacity design is for long life and then the service life of considerably longer than actuator.
So driver should pass through instruction（Manipulate the instruction in guidance and/or field range）So that note that according to this
The device of invention only when bicycle speed meter and integrated ABS logic devices it is ready be mounted on bicycle when can
With.One embodiment to this is " ABS ok " message when being packed into speedometer.
The inactive of point ABS independent of front can be by showing that signal is represented to two wheeler driver.One kind can
It can be, people connect a LED in ready ABS.If the battery of actuator exhausts, LED extinguishes
And ABS is no longer ready.
Spring in wheel brake cylinder is used for, and reliably to returning to, up to terminal position, brake disengages brake shoe in turn.
Another advantage of the system is, which need not be pumped.Brake fluid from wheel brake cylinder is logical
It crosses spring and vacuum is sent to feedback in main braking cylinder.
Because need not be pumped for the system, which needs only considerably less electric energy.The system it is only necessary to
For trigger valve in short-term and it is optionally used for the electric energy of microcontroller.
All embodiments referred to are applicable not only to drum brake and are also applied for disk brake and rim brake.
Description of the drawings
The present invention is illustrated below according to embodiment combination attached drawing, wherein：
Fig. 1 is the schematic diagram of the two wheeler with controller and sensor, and whether the trailing wheel of sensor detection two wheeler
It is risen from road surface；
Fig. 2 be for by means of double action hydraulic cylinder and electric driver hydraulically disengage the brake of two wheeler
The schematic diagram of the embodiment of unit；
Fig. 3 is the implementation of the unit of the brake for hydraulically being disengaged two wheeler by means of gear pump and electric driver
The schematic diagram of mode；And
Fig. 4 is the unit of the brake for hydraulically being disengaged two wheeler by means of other hydraulic circuit and complementary tank
Embodiment schematic diagram.
Specific implementation mode
Fig. 1 shows the schematic diagram of two wheeler 1, and the two wheeler is a bicycle in this case, has control
Device 50 processed and for detect bicycle 1 trailing wheel 10 whether the sensor risen from road surface 5.To this bicycle 1 frame 12
In sensor unit 20 is installed.It is preferred that sensor unit 20 is arranged in the immediate vicinity of bicycle, arrange in this case
Under vehicle seat 25.
There are different technical solutions with determine bicycle by handlebar 18 tumble in other words trailing wheel 10 from road surface 5 rise.
A kind of technical solution that identification bicycle is tumbled is measured by the vector of acceleration transducer 22.Therefore it passes
Sensor cell 20 includes acceleration transducer 22, and the acceleration transducer measures position of the bicycle 1 about road surface 5.
Sensor 22 measures acceleration, and method is that the sensor determination acts on test quality（Testmasse）Inertia force.Such as
It can determine that acceleration, method are that detection acts on the acceleration rising of test quality or acceleration declines.In addition acceleration passes
Sensor 22 can detect by the gravity motion of driver and consider the position of centre of gravity of bicycle 1.In addition to this acceleration sensing
Device 22 also measures position of the bicycle 1 about road surface 5.
In addition to this, sensor unit 20 additionally has speed probe 30.The measurement of speed probe 30 is being voluntarily
The rotary speed of main body and tumbling for bicycle 1 can be thus identified in the case of vehicle.It means that speed probe 30 is surveyed
Amount bicycle 1 is advanced through 18 possible rotation of handlebar, such as in the case where tumbling.Speed probe 30 however
It may be mounted at 20 outside of sensor unit and/or on another position of bicycle 1.
In addition to this, tumbling can also be by the measurement of wheel revolutions sensor 40,40 in other words of revolution speed measuring device.To this one
A wheel revolutions measuring appliance 40 is fixed on trailing wheel 10 and a wheel revolutions measuring appliance 40 is fixed on front-wheel 16.Bicycle
The rise of 1 trailing wheel 10 in other words of tumbling can be identified by the limit revolution difference of front-wheel and trailing wheel.
The sensor information of acceleration transducer 22, speed probe 30 and revolution speed measuring device 40 is detected in the controller 50
It surveys and determines whether that face trailing wheel 10 rises the danger tumbled in other words from road surface 5 by means of suitable software.Then control
Device 50 decides whether that it is adjustably intervened in braking system.
Certainly not only the information of acceleration transducer 22, speed probe 30 but also wheel revolutions measuring appliance 40 is individually fitted
For detecting whether the trailing wheel 10 for facing bicycle 1 rises the danger tumbled in other words from road surface 5.However two or even all
The combination of three sensor informations generates better and faster information, to detect whether to face rollover risk.
The rise of the trailing wheel 10 in other words of tumbling of threat, the i.e. brake-shoe of front-wheel 16 can be prevented in the following manner
（Bremsback）65 be opened and brake therefore disengage.Thus front-wheel 16 can rotate more quickly again, to avoid certainly
Driving 1 is tumbled by handlebar 18.
For adjustably intervening, there are multiple technologies schemes in braking system, they can show in subsequent attached drawing.
Identical reference numeral indicates the identical part constant in other words of the present invention in the accompanying drawings herein.
Fig. 2 therefore illustrates the signal of the embodiment of the unit 200 of the brake for hydraulically disengaging bicycle 1
Figure.
Brake bar 110 is usually pulled on the handle 115 of handlebar 18 when liquid braking device is braked.Brake bar is via liquid
Pressure pipe road 120 is connect with brake 130.Two brake arms 132 and 134 of brake 130 are closed and brake 130 is braked
Front-wheel 16.
In the present embodiment of the device according to the invention, the hydraulic cylinder 140 of a double action is added to now
In the fluid pressure line 120 between brake bar 110 and brake 130 on the handlebar 18 of bicycle 1.Pass through brake activation bar
110 establish pressure in the upper chamber 142 of hydraulic cylinder 140.Thus the piston 145 in hydraulic cylinder 140 declines and in hydraulic pressure
Pressure is established in the second chamber 147 of cylinder again, the pressure is for activating brake 130 and brake bicycle 1.
The piston 145 of hydraulic cylinder 140 is connect with rack 150 now.Thus motor 170 is adjustably engaged to system now
In dynamic system, which connect with gear 160.
If controller 50 is identified by acceleration transducer 22, wheel revolutions sensor 40 and/or speed probe 30
Go out to face the danger tumbled, then controller 50 promotes clockwise electric rotating machine 170, gear 160 to the right in other words.And then tooth
Wheel 160 moves up rack.Piston 145 also moves up and then disengages brake 130 simultaneously.
It should be fixed on counterclockwise in other words to when the order of anticlockwise when controller 50 sends out the motor to motor 170
Gear 160 thereon moves down rack 150, which connect with piston 145.It is pressed down against piston herein, closes brake
130 and the braking effect of brake 130 is improved again.
Fig. 3 shows the schematic diagram of the another embodiment of the unit 300 for hydraulically disengaging cycle brake.
And it is arranged between the brake bar 110 on handlebar 18 and brake 130 in this fluid pressure line 220.Hydraulic pressure in this case
Pipeline 220 is run by the gear pump 230 with gear 233 and 236.
If squeezing brake bar 110 relative to the handle 115 of handlebar 18 now, will be braked via fluid pressure line 220
Liquid is pressed onto in pump 230.Gear 233 and the 236 and then brake fluid rotations based on inflow.Thus in subsequent fluid pressure line
Pressure equally increases in 225 and brake 130 is activated.And then bicycle is braked.
If decontroling brake bar 110 now, brake fluid is flow back into brake bar and brake disengages again.
Adjustably intervened in brake circuit by motor 270, the motor and two gears 233 or 236 wherein it
One connection.
If present controller 50（That is control device）Identify threat tumble in other words trailing wheel 10 from road surface
It rises, then sending out signal to motor 270.
If motor 270 obtains the order of controller 50, gear 236 is clockwise in other words to right rotation.And then
Brake fluid is transported to from brake in the main braking cylinder on brake bar 110 and brake disengages.
If controller 50 sends out signal to motor 270, which no longer faces the danger tumbled, then motor 270 is inverse
Hour hands rotate gear 236 to the left in other words.Thus brake fluid is transported to by brake bar 110 in brake 130.Therefore it brakes
Brake pressure in device 130 increases and brake 130 can fall on its total brake pressure again.
Fig. 4 shows a kind of list of brake 470 of the embodiment according to the invention for hydraulically disengaging two wheeler 1
The schematic diagram of member 400.
When in the braking system according to Fig. 4 relative to 115 extrusion lever 110 of handle of handlebar 18, then in pipeline
Pressure is established in 420.Pipeline 420 can be mechanically connected also or fluid pressure line.If pulling brake bar 110, will live
Plug 432 is expressed in main braking cylinder 430.Main braking cylinder 430 includes brake fluid, which is extruded in pipeline 425
And it is then forced into wheel brake cylinder 450 by valve 440.
Brake shoe 452 and 454 is squeezed relative to the wheel rim 456 on tire 458 now.Thus it activates brake and makes
Two wheeler or the bicycle 1 slow down.If decontroling brake bar 110 again now, the spring 434 in main braking cylinder is by piston 432
It is withdrawn into home position again.
This movement additionally by wheel brake cylinder 450 spring 460 or wheel brake cylinder 450 supported.It should
Spring 460 is used to piston 462 being pressed back into its home position again.
When the piston 432 of main braking cylinder 430 is moved to its home position, low pressure is generated in main braking cylinder 430, is used
It is flow back into main braking cylinder 430 again from pipeline 425 in brake fluid.
Whether the trailing wheel 10 of bicycle 1 rises from road surface 5 can be measured in addition by acceleration transducer 22.The acceleration
Sensor 22 can measure the acceleration around transversal line, longitudinal axis and vertical axis.
Whether the technical solution risen from road surface 5 can pass through speed probe to the trailing wheel 10 of another kind measurement bicycle 1
30 realize.The speed probe 30 measures luffing speed（Nickrate）, roll speed（Rollrate）And yaw velocity
（Gierrate）.
In addition bicycle 1 can not only have tachometer generator 40 on front-wheel 16 but also on trailing wheel 10.By corresponding
Revolution comparison can be determined that bicycle 1 trailing wheel 10 whether from road surface 5 rise.
Carry out the measured value of acceleration sensor 22, speed probe 30 and wheel revolutions sensor 40 individually or combines
The case where whether trailing wheel 10 that ground generates bicycle 1 rises from road surface 5 and faces rollover risk in turn.
Three measured values of three sensors 22,30 and 40 arrive controller 50 by the power supply of system bus 52.Control
Whether device 50 is for example risen from road surface 5 by means of the trailing wheel 10 of microcontroller and suitable software detection bicycle 1 and and then must
It must intervene into braking system.
If present controller 50 squeezes brake bar 110 with identifying such degree so that 16 locking of front-wheel and voluntarily
Vehicle 1 faces the danger tumbled forward, then can reduce the brake pressure in brake 470 and thus avoid embracing for front-wheel
Extremely.Thus front-wheel 16 is rotated and is avoided again and tumbles.
If the pressure in wheel brake cylinder 450 is too high, which can be discharged by the switching of valve 440.If
Valve 440 is transformed into position b by position a, then brake fluid flows in pipeline 427 and from flowing in complementary tank 480 there.
Thus liquid is flowed out from wheel brake cylinder 450, and brake 470 disengages and avoids tumbling.
If controller 50 identifies, trailing wheel 10 drops on road surface 5 again, then valve 440 is switched to position from position b again
A and main braking cylinder 430 and the pressure present in fluid pressure line 420 and 425 are had an effect.
The pressure be eager now wheel brake cylinder 450 filling reduce pressure drop.In the anti-lock（ABS）Existing pressure before
Power can be realized further through the little more manipulation path of brake bar 110 now.However the adjustment process can be no longer endless
Only continue.When no matter when main braking cylinder 430 is empty, that is to say, that there is no liquid to be located in main braking cylinder 430 simultaneously
And braking system can be braked no longer.In order to avoid this point, there is horizontal limeit switch 490.
The horizontal limeit switch 490 is located in the inside of main braking cylinder 430 or except main braking cylinder 430 and measures
The position of 430 inner carrier 432 of the liquid level of brake fluid or main braking cylinder in main braking cylinder 430.If piston 432 is very
It is pressed into main braking cylinder deeply, then reaching horizontal limeit switch 490 by piston 432.Horizontal limeit switch 490 is and then
Power supply 492 is interrupted, intervention is no longer possible and driver can be nonetheless in no ABS functions to further adjust
Under the conditions of so that bicycle 1 remain static.
If decontroling lever 110 again now, piston 432 is withdrawn into its raw bits by the spring 434 in main braking cylinder 430 again
It sets.The movement is supported additionally by the spring 460 in wheel brake cylinder 450.This is the wheel brake cylinder 450 of spring-return again
Also serve to ensure that the reply of brake shoe 452 and 454.
When the piston 432 in main braking cylinder 430 is moved back into its home position, low pressure is generated in main braking cylinder 430, it is same
When for check-valves 485 can open so that fluid pressure line 487 in brake fluid can main system be flow back by complementary tank 480
In dynamic cylinder 430.
If the low pressure in present main braking cylinder 430 is close to zero, this indicates that main braking cylinder 430 is full of brake fluid again, only
Valve 485 is returned to close again based on integrated spring 488.
As seen in Figure 4, the volume in main braking cylinder 430 is sufficiently large compared to wheel brake cylinder 450, therefore exists
The high availability of ABS system.
If piston 432 reaches the horizontal limeit switch 490 in main braking cylinder 430, horizontal limeit switch is opened
And then interruption valve 440 power supply 492, thus the valve can move back to its home position i.e. position a.This should be used
From reply valve.It therefore ensures that, main braking cylinder 430 is not that empty and driver thus always being capable of brake bicycle 1.
If the electric device in braking system according to the invention breaks down, there should be one in valve 440
Spring, which is used to valve 440 being returned to its home position that is position a, to which bicycle 1 can be braked.
If not using electrical 2/2 reversal valve as check-valves 485, which needs the less energy and this to be
System is also advantageous based on simple valve.
Additionally controller 50 has the power supply 54 of itself.This has the advantage that, the voltage monitoring of the power supply of valve 440
It is possible.If controller 50 determines that battery exhausts, this can be driven by means of vision and/or auditory message notice
Member.This indicates that controller 50 informs that driver's ABS functions are no longer ready.Controller 50 can be connected to this extension
Bicycle speed meter in.
The capacity of the power supply 54 of controller 50 can be designed for the longer service life thus（>1 year）And then considerably longer than valve
440 power supply 492.
So pass through instruction（Manipulate the instruction in guidance and/or field range）Should cause driver's note that
The device according to the invention only when bicycle speed meter and integrated ABS logic devices it is ready be mounted on bicycle
Shi Keyong.This can for example be realized by " ABS ok " message when being packed into speedometer.
The inactive of point ABS independent of front can be by showing that signal is represented to two wheeler driver.One kind can
It can be, people connect a LED in ready ABS.If the battery 492 of actuator 440 exhausts,
LED extinguishes and ABS is no longer ready.
Spring 460 in wheel brake cylinder 450 is used for, and reliably to returning to, up to terminal position, brake is de- in turn for brake shoe
It opens.
The system being shown in FIG. 4 need not be pumped.Brake fluid from wheel brake cylinder 450 is by spring and very
Sky is sent to feedback in main braking cylinder 430.Because need not be pumped for the system, which needs only a small amount of electric energy.
The system needs be only used to trigger valve 440 in short-term and is optionally used for the electric energy with the controller 50 of microcontroller.
All braking systems referred to are applicable not only to drum brake and are also applied for disk brake and rim brake.
The present invention is not limited to the embodiments of proposition, but can also object according to the present invention modify.
Claims (5)
1. for controlling two wheeler（1）Braking system device, described device includes：
At least one sensor（20、22、30、40）, the sensor is for detecting the two wheeler（1）Trailing wheel（10）It is
It is no from road surface（5）It rises；
At least one unit（200、300、400）, brake of the unit for hydraulically disengaging the two wheeler；And
Controller（50）, when at least one sensor（20、22、30、40）Detect the two wheeler（1）Trailing wheel
（10）From road surface（5）When rise, the controller is at least one for hydraulically disengaging the two wheeler（1）Brake
（130、470）Unit（200、300、400）Order is sent out, so that the brake of the two wheeler（130、470）It disengages,
Wherein, described at least one for hydraulically disengaging the two wheeler（1）Brake unit（200）Including dual work
Hydraulic cylinder（140）And electric driver（170）；Or
Wherein, at least one unit for hydraulically disengaging the brake of the two wheeler（300）Including gear pump
（230）And electric driver（270）；Or
Wherein, at least one unit for hydraulically disengaging the brake of the two wheeler（400）It is another hydraulic pressure
Circuit and complementary tank（480）, when for detecting the two wheeler（1）Trailing wheel（10）Whether from road surface（5）The sensing of rise
Device（20、22、30、40）One of them measures the two wheeler（1）Trailing wheel（10）When rise, then being switched to described another
Hydraulic circuit and complementary tank.
2. the apparatus according to claim 1, wherein for detecting the two wheeler（1）Trailing wheel（10）Whether from road surface
（5）At least one of sensor of rise sensor（22）Including acceleration transducer（22）.
3. device according to any one of the preceding claims, wherein described for detecting the two wheeler（1）Trailing wheel
（10）Whether from road surface（5）At least one of sensor of rise sensor（40）Including tachometer generator（40）.
4. device according to claim 1 or 2, wherein described for detecting the two wheeler（1）Trailing wheel（10）Whether
From road surface（5）At least one of sensor of rise sensor（30）Including speed probe（30）.
5. the apparatus according to claim 1, wherein at least one unit for hydraulically disengaging the brake
（400）It further include horizontal limeit switch（490）, work as main braking cylinder（430）Liquid level when reaching minimum value, then the water
Mean pole limit switch OFF is for hydraulically disengaging the brake（470）Unit（400）.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012222058.5A DE102012222058B4 (en) | 2012-12-03 | 2012-12-03 | Hydraulic braking system for two-wheelers |
| DE102012222058.5 | 2012-12-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103847718A CN103847718A (en) | 2014-06-11 |
| CN103847718B true CN103847718B (en) | 2018-09-28 |
Family
ID=50725984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310631055.8A Active CN103847718B (en) | 2012-12-03 | 2013-12-02 | Brake fluid system for two wheeler |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103847718B (en) |
| DE (1) | DE102012222058B4 (en) |
| TW (1) | TWM492871U (en) |
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| ITTO20131049A1 (en) * | 2013-12-19 | 2015-06-20 | Freni Brembo Spa | BRAKING SYSTEM WITH AUTOMATIC CONTROL |
| DE102014005527B4 (en) | 2014-04-11 | 2022-12-01 | Daniel Gordon Erler | Bike with weight slider for adjusting rider weight on a bike |
| US9453546B2 (en) * | 2014-08-28 | 2016-09-27 | Shimano Inc. | Bicycle braking system |
| CN104742889B (en) * | 2015-04-03 | 2018-02-27 | 安徽农业大学 | Bicycle anti-lock braking system |
| JP6420199B2 (en) | 2015-04-28 | 2018-11-07 | 株式会社シマノ | Bicycle equipment |
| US10690200B2 (en) * | 2015-07-29 | 2020-06-23 | Exonetik Inc. | Manually-actuated brake system using magnetorheological fluid clutch apparatus |
| ITUB20152710A1 (en) * | 2015-07-31 | 2017-01-31 | Freni Brembo Spa | BRAKING SYSTEM FOR VEHICLES, IN PARTICULAR CYCLES AND MOTORCYCLES, AND METHOD OF IMPLEMENTATION OF A BRAKING SYSTEM FOR VEHICLES |
| DE102015216578A1 (en) | 2015-08-31 | 2017-03-02 | Schaeffler Technologies AG & Co. KG | Brake system, especially for bicycles |
| IT201600111289A1 (en) * | 2016-11-04 | 2018-05-04 | Blubrake S R L | Brake assist system by a cyclist on a bicycle |
| DE102017200051A1 (en) * | 2017-01-04 | 2018-07-19 | Robert Bosch Gmbh | Brake adjustment device, hydraulic brake system and vehicle |
| TWI645996B (en) * | 2017-09-15 | 2019-01-01 | 六和機械股份有限公司 | Brake system with anti-rollover function |
| JP7144183B2 (en) * | 2017-10-20 | 2022-09-29 | 株式会社シマノ | Brake equipment and braking system |
| US11267528B2 (en) * | 2017-10-20 | 2022-03-08 | Shimano Inc. | Bicycle device and brake system |
| JP2019100407A (en) * | 2017-11-30 | 2019-06-24 | 株式会社シマノ | Brake system |
| DE102019213326A1 (en) * | 2019-09-03 | 2021-03-04 | Robert Bosch Gmbh | Pressure modulator of an anti-lock braking system on a two-wheeler |
| DE202019105187U1 (en) | 2019-09-19 | 2019-10-04 | Robert Bosch Gmbh | Pressure modulator for an anti-lock system of a bicycle |
| DE102019215639A1 (en) * | 2019-10-11 | 2021-04-15 | Shimano Inc. | HYDRAULIC CONTROL DEVICE FOR A BRAKE SYSTEM OF A HUMAN DRIVEN VEHICLE AND BRAKE SYSTEM WITH SUCH A HYDRAULIC CONTROL DEVICE |
| JP7393984B2 (en) * | 2020-03-13 | 2023-12-07 | 株式会社シマノ | ABS unit |
| IT202000015367A1 (en) * | 2020-06-25 | 2021-12-25 | Raicam Driveline S R L | ANTI-LOCK BRAKING UNIT FOR A HYDRAULIC BRAKING SYSTEM, ESPECIALLY FOR BICYCLES |
| CN111994197B (en) * | 2020-09-11 | 2021-09-07 | 淮北暴风工业设计有限公司 | Auxiliary brake damping device for front wheel of bicycle |
| DE102021203227A1 (en) | 2021-03-30 | 2022-10-06 | Robert Bosch Gesellschaft mit beschränkter Haftung | Vehicle and brake assistance device for a hydraulic brake system for a vehicle |
| CN113911248A (en) * | 2021-09-23 | 2022-01-11 | 深圳市自由侠科技有限公司 | Electric scooter's braking mode and electric scooter |
| US11673538B2 (en) * | 2021-10-01 | 2023-06-13 | Joy Industrial (Shenzhen) Co., Ltd. | Method of operating anti-lock braking system of bicycle |
| DE102022207995A1 (en) | 2022-08-02 | 2024-02-08 | Robert Bosch Gesellschaft mit beschränkter Haftung | Hydraulic braking system of a two-wheeler |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103847718A (en) | 2014-06-11 |
| DE102012222058B4 (en) | 2024-03-21 |
| TWM492871U (en) | 2015-01-01 |
| DE102012222058A1 (en) | 2014-06-05 |
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