CN108999970A - Speed changer parking system and speed changer parking system application method - Google Patents
Speed changer parking system and speed changer parking system application method Download PDFInfo
- Publication number
- CN108999970A CN108999970A CN201811300910.6A CN201811300910A CN108999970A CN 108999970 A CN108999970 A CN 108999970A CN 201811300910 A CN201811300910 A CN 201811300910A CN 108999970 A CN108999970 A CN 108999970A
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- China
- Prior art keywords
- fluid
- park pawl
- delay
- speed changer
- automobile
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3425—Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3483—Parking lock mechanisms or brakes in the transmission with hydraulic actuating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Regulating Braking Force (AREA)
Abstract
The present invention provides a kind of speed changer parking system and speed changer parking system application methods, are related to brake system of car technical field.Speed changer parking system includes parking ratchet wheel, park pawl and time-delay mechanism；Parking ratchet wheel is engaged with park pawl, and time-delay mechanism is connected to one end of the separate parking ratchet wheel of park pawl, for pressing park pawl；Alternatively, time-delay mechanism is connected to one end of the close parking ratchet wheel of park pawl, for lifting park pawl, so that park pawl is arranged under the action of time-delay mechanism along the direction far from parking ratchet wheel.It solves in the prior art, when automobile is kept off by D or R gear is linked into P and keeps off, the technical issues of being adjacent to stress completely because of park pawl and parking ratchet wheel caused by power assembly overturning, influence driver's driving experience.Time-delay mechanism of the invention can provide certain active force for park pawl, extend park pawl and engage the required time with parking ratchet wheel.
Description
Technical field
The present invention relates to system for halting autocar technical fields, stay more particularly, to a kind of speed changer parking system and speed changer
Vehicle System Utilization Procedure.
Background technique
The automatic transmission of automobile is a kind of automobile change that can change gear ratio automatically in vehicle travel process
Fast device, common is divided into four kinds of patterns: hydraulic automatic speed variator, mechanical continuously-variable transmission, electric control mechanical type automatic speed variator
And double-clutch automatic gearbox.Wherein, hydraulic automatic speed variator is common automatic transmission.The gear of automatic transmission is divided into
P, R, N, D, 2,1 or L etc., wherein P gear is used as stopping and be used, to prevent automobile error starting on other gears from causing automobile prominent
It is altered before so and causes dangerous situation.The parking function of hydraulic automatic speed variator is usually by park pawl and parking ratchet wheel Lai real
Existing, when being linked into P gear after vehicle parking, park pawl can be caught in parking ratchet wheel, and parking ratchet wheel generally passes through tooth with output shaft
Wheel transmission is connected, and park pawl is generally connected with gearbox case, it can be seen that, after park pawl is caught in parking ratchet wheel, vehicle
Just it can not move, to complete P gear parking.
But for the automatic transmission for assembling fluid torque-converter, when D gear or R are kept off since power does not interrupt, power assembly
Certain overturning is had when relative to unpowered neutral gear, at this time if being back to P gear from D gear or R gear, is restored in vehicle engine assembly
There is park pawl and is adjacent to parking ratchet wheel just and bears certain pulling force or pressure in the certain probability of Shi Huiyou, vehicle when releasing P gear
Certain impact sense is had, whole driving experience is influenced.
There is park pawl and parking ratchet wheel to reduce in the angle for generalling use optimization parking ratchet wheel and park pawl at present
The probability and mitigation being adjacent to extract impact force when P gear after being adjacent to.But currently existing scheme is also needed when optimizing click
The ramp parking ability for taking into account P gear, fundamentally can not effectively avoid parking ratchet wheel and park pawl from being adjacent to the feelings of stress
Condition.
Summary of the invention
The purpose of the present invention is to provide a kind of speed changer parking systems, and existing in the prior art to solve, automobile is by D
When gear or R gear are linked into P gear, park pawl and parking ratchet wheel caused by overturning because of power assembly are adjacent to stress completely, influence to drive
The technical issues of person's driving experience.
It is existing in the prior art to solve the present invention also provides a kind of speed changer parking system application method, automobile
When being linked into P gear by D gear or R gear, park pawl and parking ratchet wheel caused by overturning because of power assembly are adjacent to stress completely, influence to drive
The technical issues of person's of sailing driving experience.
A kind of speed changer parking system provided by the invention, including parking ratchet wheel, park pawl and time-delay mechanism；
The parking ratchet wheel is engaged with park pawl, and the time-delay mechanism is connected to the separate of the park pawl and stays
One end of vehicle ratchet, for pressing the park pawl, so that the park pawl is under the action of the time-delay mechanism along remote
Direction setting from parking ratchet wheel；
Alternatively, the time-delay mechanism is connected to one end close to the parking ratchet wheel of the park pawl, for lifting
The park pawl, so that the park pawl is arranged under the action of time-delay mechanism along the direction far from parking ratchet wheel.
Further, the time-delay mechanism includes cylinder, delay piston, elastic element, fluid replacement unit and fluid stream
Unit out；
One end of the delay piston is connected to inner barrel, and is equipped with fluid placed cavity, the bullet with one end of cylinder
Property element be connected in fluid placed cavity, one end of the elastic element is connect with cylinder, the other end of the elastic element with
One end connection of delay piston, the other end of the delay piston stretch out the cylinder and connect with park pawl, the supplement stream
Body unit is connect with one end of fluid placed cavity, and the fluid outlet unit is connect with the other end of fluid placed cavity.
Further, the fluid replacement unit includes that fluid places cylinder, fluid supplement pipe and fluid supplement valve；
The fluid is placed and supplements pipe connection, the fluid replenishment valve by fluid between cylinder and the fluid placed cavity of cylinder
Door is connected on fluid supplement pipe.
Further, the fluid outlet unit includes fluid outflow valve, fluid effuser and fluid containment case；
It is connected between the other end of the fluid placed cavity of the fluid containment case and cylinder by fluid effuser, the stream
Body outflow valve is connected on the fluid effuser.
It further, further include control unit, angular transducer and braking inductor；
Described control unit is connect with angular transducer, and described control unit is connect with braking inductor, and the control is single
Member is connect with fluid replacement unit, and described control unit is connect with fluid outlet unit, and the angular transducer is for incuding vapour
The size of the angle of the gradient locating for vehicle, the braking inductor are used to incude the brake signal of automobile；When angular transducer incudes
It is 0 ° to gradient angle locating for automobile, angle signal is passed to control unit, described control unit control by the angular transducer
Delay unit processed work, the fluid outlet unit gradually emptying；When angular transducer senses gradient angle > 0 ° locating for automobile
And in the presence of the braking sensor senses the brake signal of automobile, the angular transducer is by angle signal and brake signal
Pass to control unit, described control unit controls delay unit work, the fluid outlet unit gradually emptying.
It further, further include velocity sensor；
The velocity sensor is connect with control unit, and the velocity sensor is used to incude the travel speed of automobile, when
When velocity sensor senses that the travel speed of automobile is greater than preset value, the velocity sensor transmits a signal to controller, institute
It states controller and controls the delay unit work, described control unit controls fluid flow out unit gradually emptying.
Further, the elastic element is spring.
Further, described control unit is programmable controller.
The present invention also provides a kind of speed changer parking system application method, including speed changer parking system as described above,
The speed changer parking system application method includes the following steps:
Judge the signal of angular transducer and braking sensor；
If angular transducer senses that gradient angle locating for automobile is 0 °, control unit controls delay unit and opens, stream
Body supplements valve and closes, and fluid, which flows out valve portion, to be opened, delay unit gradually emptying；
If angular transducer senses gradient angle > 0 ° locating for automobile, the braking sensor senses the braking of automobile
Signal exists, and control unit controls delay unit and opens, and fluid supplements valve and closes, and fluid, which flows out valve portion, to be opened, delay
Unit gradually emptying；
If angular transducer senses gradient angle > 0 ° locating for automobile, the braking sensor senses the braking of automobile
In the absence of signal, described control unit controls delay unit and closes, and fluid supplements valve and closes, and fluid outflow valve is all beaten
It opens, the rapid emptying of delay unit.
Further, the step of speed changer parking system application method further includes the signal for incuding velocity sensor；
If velocity sensor induction automobile running speed is greater than preset value, control unit controls delay unit and opens, stream
Body supplements valve and closes, and fluid, which flows out valve portion, to be opened, delay unit gradually emptying.
Speed changer parking system provided by the invention, the parking ratchet wheel are engaged with park pawl, the delay machine
Structure is connected to the top of the right end of the separate parking ratchet wheel of the park pawl, realizes the pressing to park pawl, so that delay
When mechanism works, the right end of the park pawl is pressed, so that park pawl and parking ratchet wheel are detached from, park pawl are avoided and stays
Vehicle ratchet fits closely, and guarantees the driving experience of driver；Alternatively, the time-delay mechanism is connected to the left end of park pawl
Lower section, and the effect end of parking ratchet wheel is connected to the lower section of park pawl, for lifting park pawl so that park pawl with stay
Vehicle ratchet is detached from, and park pawl and parking ratchet wheel is avoided not to overturn fitting closely before finishing in power assembly, guarantees to drive
The driving experience of member；Time-delay mechanism prolongs park pawl and parking ratchet wheel by discrete state to the time between meshing state
Long, after waiting the overturning of power assemblies to restore, park pawl is engaged with parking ratchet wheel, realizes nibbling for park pawl and parking ratchet wheel
Not stress due to power assembly is overturn is closed, driving experience is kept.
Speed changer parking system application method provided by the invention, first determines whether the letter of angular transducer and braking sensor
Number；If angular transducer senses that gradient angle locating for automobile is 0 °, control unit controls delay unit and opens, fluid supplement
Valve is closed, and fluid, which flows out valve portion, to be opened, and delay unit gradually emptying avoids park pawl and parking ratchet wheel total in power
At fitting closely before finishing is not overturn, guarantee the driving experience of driver；If angular transducer senses slope locating for automobile
Angle > 0 ° is spent, the braking sensor senses that the brake signal of automobile exists, and control unit controls delay unit and opens, stream
Body supplements valve and closes, and fluid, which flows out valve portion, to be opened, and delay unit gradually emptying avoids park pawl and parking ratchet wheel from existing
Power assembly does not overturn fitting closely before finishing, guarantees the driving experience of driver；If angular transducer senses automobile
Locating gradient angle > 0 °, the braking sensor sense that the brake signal of automobile is not present, described control unit control delay
Unit is closed, and fluid supplements valve and closes, and fluid outflow valve is fully open, the rapid emptying of delay unit, so that park pawl
It is engaged rapidly with parking ratchet wheel, realizes the parking of automobile.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the first speed changer parking system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of second of speed changer parking system provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the time-delay mechanism of speed changer parking system provided in an embodiment of the present invention；
Fig. 4 is the flow chart of speed changer parking system application method provided in an embodiment of the present invention.
Icon: 100- parking ratchet wheel；200- park pawl；300- time-delay mechanism；400- control unit；301- cylinder；
302- delay piston；303- elastic element；304- fluid replacement unit；305- fluid outlet unit；306- fluid placed cavity.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Be merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition, such as there is term "
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace such as occur
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The present invention provides a kind of speed changer parking system, the speed changer parking system includes parking ratchet wheel 100, parking
Pawl 200 and time-delay mechanism 300；The parking ratchet wheel 100 is engaged with park pawl 200, and the time-delay mechanism 300 connects
In one end of the separate parking ratchet wheel 100 of the park pawl 200, for pressing the park pawl 200, so that the parking
Pawl 200 is arranged under the action of time-delay mechanism 300 along the direction far from parking ratchet wheel 100；Alternatively, the time-delay mechanism
300 are connected to one end close to the parking ratchet wheel 100 of the park pawl 200, for lifting the park pawl 200,
So that the park pawl 200 is arranged under the action of time-delay mechanism 300 along the direction far from parking ratchet wheel 100.
As shown in Figure 1, the time-delay mechanism 300 is connected to the top of the right end of the park pawl 200, realize to parking
The pressing of the right end of pawl 200 is prolonged so that park pawl 200 is detached under the action of time-delay mechanism 300 with parking ratchet wheel 100
Long park pawl 200 contacts the required time with parking ratchet wheel 100；As shown in Fig. 2, the time-delay mechanism 300 be connected to it is described
Lifting to the left end of park pawl 200 is realized in the lower section of the left end of park pawl 200, so that park pawl 200 is in delay machine
It is detached under the action of structure 300 with parking ratchet wheel 100, extends park pawl 200 with parking ratchet wheel 100 and contact the required time, keep away
Exempt from park pawl 200 and do not overturn fitting closely before finishing in power assembly with parking ratchet wheel 100, guarantees the driving of driver
Experience.
Further, the time-delay mechanism 300 includes cylinder 301, delay piston 302, elastic element 303, fluid replacement
Unit 304 and fluid outlet unit 305；It is described delay piston 302 one end be connected to inside cylinder 301, and with cylinder 301
One end is equipped with fluid placed cavity 306, and the elastic element 303 is connected in fluid placed cavity 306, the elastic element 303
One end is connect with cylinder 301, and the other end of the elastic element 303 is connect with one end of delay piston 302, the delay piston
302 other end stretches out the cylinder 301 and connect with park pawl 200, the fluid replacement unit 304 and fluid placed cavity
306 one end connection, the fluid outlet unit 305 are connect with the other end of fluid placed cavity 306.
As shown in figure 3, the mobile terminal of the delay piston 302 is connected to inside cylinder 301, and the delay piston 302
Mobile terminal and cylinder 301 inner wall between be equipped with fluid placed cavity 306, elastic element 303 is connected to fluid placed cavity 306
Interior, the upper end of elastic element 303 is connect with the upper side wall of cylinder 301, the lower end of elastic element 303 and the upper of piston 302 that be delayed
End connection, the lower end of delay piston 302 is stretched out cylinder 301 and is connect with park pawl 200, when as shown in Figure 1, time-delay mechanism 300
It is connected to the upper end of park pawl 200, the lower end of delay piston 302 is connect with the right end of park pawl 200；When as shown in Figure 2,
Time-delay mechanism 300 is connected to the lower end of park pawl 200, the lower section of the be delayed lower end of piston 302 and the left end of park pawl 200
Connection is realized and is exerted oneself to park pawl 200；The fluid replacement unit 304 is connected to the left end of fluid placed cavity 306, institute
State the right end that fluid outlet unit 305 is connected to fluid placed cavity 306；Specifically, when in use, according to the row of specific automobile
Whether the state of sailing judges that time-delay mechanism 300 needs to open, when time-delay mechanism 300 needs to open, fluid replacement unit 304 is closed
It closes, fluid outlet unit 305 is gradually opened, and the fluid in fluid placed cavity 306 slowly flows out, and the piston 302 that is delayed is to parking spine
Pawl 200 has certain effect power, and park pawl 200 will not be engaged rapidly with parking ratchet wheel 100, is the power assembly of automobile
Overturning provides certain buffer time, avoids the occurrence of when being linked into P gear by D gear or R gear, power assembly does not overturn and finishes and parking spine
The problem of pawl 200 and parking ratchet wheel 100 are just adjacent to stress completely, influence driver's driving experience；When time-delay mechanism 300 is not required to out
Qi Shi, fluid replacement unit 304 are closed, and fluid outlet unit 305 is opened, and the fluid in fluid placed cavity 306 flows out rapidly, are prolonged
When piston 302 moved to inside cylinder 301 under the action of elastic element 303, certain work can not be provided park pawl 200
Firmly, park pawl 200 is promptly engaged with parking ratchet wheel 100, realizes parking operation.
It should be noted that fluid can be hydraulic oil, it is also possible to gas, as long as being able to achieve the shifting of delay piston 302
It is dynamic.
Further, the fluid replacement unit 304 includes that fluid places cylinder, fluid supplement pipe and fluid supplement valve；
The fluid is placed and supplements pipe connection by fluid between cylinder and the fluid placed cavity 306 of cylinder 301, and the fluid supplements valve
It is connected on fluid supplement pipe.
The fluid is placed in cylinder and is placed with certain fluid, is connected to by fluid supplement pipe with fluid placed cavity 306, real
Now to the supplement of fluid in fluid placed cavity 306, guarantee that time-delay mechanism 300 is in certain equilibrium state.
Further, the fluid outlet unit 305 includes fluid outflow valve, fluid effuser and fluid containment case；
It is connected between the other end of the fluid placed cavity 306 of the fluid containment case and cylinder 301 by fluid effuser, the fluid
Outflow valve is connected on the fluid effuser.
The fluid containment case passes through fluid effuser and stream for accommodating the fluid flowed out out of fluid placed cavity 306
Body placed cavity 306 connects, and realizes the collection to fluid.
It is connected to it should be noted that the fluid containment case can place cylinder with fluid, realizes the recycling of fluid.
It further, further include control unit 400, angular transducer and braking inductor；Described control unit 400 and angle
Sensor connection is spent, described control unit 400 is connect with braking inductor, described control unit 400 and fluid replacement unit 304
Connection, described control unit 400 are connect with fluid outlet unit 305, and the angular transducer is for incuding the gradient locating for automobile
Angle size, the braking inductor is used to incude the brake signal of automobile；When angular transducer senses locating for automobile
Gradient angle is 0 °, and angle signal is passed to control unit 400 by the angular transducer, and the control of described control unit 400 is prolonged
When cell operation, the fluid outlet unit 305 gradually emptying；Alternatively, when angular transducer senses the angle of gradient locating for automobile
In the presence of > 0 ° of degree and the braking sensor sense the brake signal of automobile, the angular transducer is by angle signal and system
Dynamic signal passes to control unit 400, and described control unit 400 controls delay unit work, the fluid outlet unit 305 by
Gradually emptying.
As shown in figure 3, the braking inductor is pressure sensor, it is placed at the position of the service brake of automobile, works as driving
When person tracks tramping service brake, braking inductor senses that brake signal, i.e. brake signal exist.Specifically, when angular transducer incudes
It is 0 ° to gradient angle locating for automobile, angle signal is passed to control unit 400, described control unit by the angular transducer
400 control delay units work, the fluid outlet unit 305 gradually emptying extend park pawl 200 and parking ratchet wheel 100
Time required for engaging；When angular transducer senses that gradient angle > 0 ° and the braking sensor locating for automobile sense
In the presence of the brake signal of automobile, angle signal and brake signal are passed to control unit 400 by the angular transducer, described
The control control delay unit work of control unit 400, the fluid outlet unit 305 gradually emptying, extend park pawl 200 with
Parking ratchet wheel 100 engages the required time.
It further, further include velocity sensor；The velocity sensor is connect with control unit 400, and the speed passes
Sensor is used to incude the travel speed of automobile, described when velocity sensor senses the travel speed of automobile greater than preset value
Velocity sensor transmits a signal to controller, and the controller controls the delay unit work, and described control unit 400 controls
The gradually emptying of fluid outlet unit 305.
As shown in figure 3, preset value is set according to specific operating condition, the maloperation of driver is mainly prevented；It is described
Velocity sensor incudes the travel speed of automobile, when velocity sensor senses the travel speed of automobile greater than preset value, institute
Delay unit work is stated, described control unit 400 controls fluid flow out the gradually emptying of unit 305.
Further, the elastic element 303 is spring.
The elastic element 303 is spring, provides the pulling force to delay piston 302.
Further, described control unit 400 is programmable controller.
Described control unit 400 is programmable controller, realizes the control to time-delay mechanism 300.
The present invention also provides a kind of speed changer parking system application method, the speed changer parking system application method packet
Speed changer parking system as described above is included, the speed changer parking system application method includes the following steps: to judge that angle passes
The signal of sensor and braking sensor；If angular transducer senses that gradient angle locating for automobile is 0 °, control unit 400 is controlled
Delay unit processed is opened, and fluid supplements valve and closes, and fluid, which flows out valve portion, to be opened, delay unit gradually emptying；If angle
Gradient angle > 0 ° locating for sensor sensing to automobile, the braking sensor sense that the brake signal of automobile exists, and control is single
Member 400 controls delay unit and opens, and fluid supplements valve and closes, and fluid, which flows out valve portion, to be opened, delay unit gradually emptying；
If angular transducer senses gradient angle > 0 ° locating for automobile, the braking sensor senses that the brake signal of automobile is not deposited
When, described control unit 400 control delay unit close, fluid supplement valve close, fluid flow out valve it is fully open, prolong
The rapid emptying of Shi Danyuan.
As shown in figure 4, a kind of speed changer parking system application method provided by the invention, first controller judge that angle passes
The signal of sensor and braking sensor；If angular transducer senses that gradient angle locating for automobile is 0 °, control unit 400 is controlled
Delay unit processed is opened, and fluid supplements valve and closes, and fluid, which flows out valve portion, to be opened, and the fluid in fluid placed cavity 306 is slow
Slug flow goes out, and delay piston 302 has certain effect power to park pawl 200, and park pawl 200 will not rapidly and parking ratchet wheel
100 engagements, the overturning for the power assembly of automobile provides certain buffer time, avoids the occurrence of and is kept off when being linked into P and keeping off by D gear or R,
Power assembly, which is not overturn, to be finished and park pawl 200 and parking ratchet wheel 100 are adjacent to stress completely, and driver's driving experience is influenced
Problem；Angular transducer senses gradient angle > 0 ° locating for automobile, and the braking sensor senses that the brake signal of automobile is deposited
, the control delay unit unlatching of control unit 400, fluid supplement valve closing, fluid outflow valve portion opening, fluid placement
Fluid in chamber 306 slowly flows out, and delay piston 302 has certain effect power to park pawl 200, and park pawl 200 will not
It is rapidly engaged with parking ratchet wheel 100, the overturning for the power assembly of automobile provides certain buffer time, avoids the occurrence of by D
When gear or R gear are linked into P gear, power assembly, which is not overturn, to be finished and park pawl 200 and parking ratchet wheel 100 are adjacent to stress completely, shadow
The problem of ringing driver's driving experience；If angular transducer senses gradient angle > 0 ° locating for automobile, the braking sensor sense
It should arrive in the absence of the brake signal of automobile, fluid replacement unit 304 is closed, and fluid outlet unit 305 is opened, fluid placed cavity
Fluid in 306 flows out rapidly, and delay piston 302 moves to inside cylinder 301 under the action of elastic element 303, can not be right
Park pawl 200 provides certain active force, and parking operation is realized in the engagement of the rapid region parking ratchet wheel 100 of park pawl 200.
Further, the step of speed changer parking system application method further includes the signal for incuding velocity sensor；
If velocity sensor induction automobile running speed is greater than preset value, control unit 400 controls delay unit and opens, fluid supplement
Valve is closed, and fluid, which flows out valve portion, to be opened, delay unit gradually emptying.
As shown in figure 4, further including the signal for incuding velocity sensor, when velocity sensor senses the travel speed of automobile
When greater than preset value, control unit 400 controls delay unit and opens, and fluid supplements valve and closes, and fluid outflow valve portion is beaten
It opens, the fluid in fluid placed cavity 306 slowly flows out, and delay piston 302 has certain effect power to park pawl 200, parking
Pawl 200 will not be engaged rapidly with parking ratchet wheel 100, and the overturning for the power assembly of automobile provides certain buffer time,
Avoid the occurrence of by D gear or R gear be linked into P gear when, power assembly, which is not overturn, to be finished and the park pawl 200 and parking ratchet wheel in small city
The problem of 100 are adjacent to stress completely, influence driver's driving experience.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of speed changer parking system, which is characterized in that including parking ratchet wheel, park pawl and time-delay mechanism；
The parking ratchet wheel is engaged with park pawl, and the time-delay mechanism is connected to the separate parking spine of the park pawl
One end of wheel, for pressing the park pawl, so that the park pawl is stayed under the action of the time-delay mechanism along separate
The direction of vehicle ratchet is arranged；
Alternatively, the time-delay mechanism is connected to one end close to the parking ratchet wheel of the park pawl, it is described for lifting
Park pawl, so that the park pawl is arranged under the action of time-delay mechanism along the direction far from parking ratchet wheel.
2. speed changer parking system according to claim 1, which is characterized in that the time-delay mechanism includes cylinder, delay
Piston, elastic element, fluid replacement unit and fluid outlet unit；
One end of the delay piston is connected to inner barrel, and is equipped with fluid placed cavity, the elasticity member with one end of cylinder
Part is connected in fluid placed cavity, and one end of the elastic element is connect with cylinder, the other end of the elastic element and delay
One end of piston connects, and the other end of the delay piston stretches out the cylinder and connect with park pawl, the fluid replacement list
Member is connect with one end of fluid placed cavity, and the fluid outlet unit is connect with the other end of fluid placed cavity.
3. speed changer parking system according to claim 2, which is characterized in that the fluid replacement unit includes that fluid is put
Set cylinder, fluid supplement pipe and fluid supplement valve；
The fluid is placed and supplements pipe connection by fluid between cylinder and the fluid placed cavity of cylinder, and the fluid supplement valve connects
It connects on fluid supplement pipe.
4. speed changer parking system according to claim 3, which is characterized in that the fluid outlet unit includes fluid stream
Valve, fluid effuser and fluid containment case out；
It is connected between the other end of the fluid placed cavity of the fluid containment case and cylinder by fluid effuser, the fluid stream
Valve is connected on the fluid effuser out.
5. speed changer parking system according to claim 4, which is characterized in that further include control unit, angular transducer
With braking inductor；
Described control unit is connect with angular transducer, described control unit with braking inductor connect, described control unit and
The connection of fluid replacement unit, described control unit are connect with fluid outlet unit, and the angular transducer is for incuding automobile institute
Locate the size of the angle of the gradient, the braking inductor is used to incude the brake signal of automobile；When angular transducer senses vapour
Gradient angle locating for vehicle is 0 °, and angle signal is passed to control unit by the angular transducer, and described control unit control is prolonged
When cell operation, the fluid outlet unit gradually emptying；When angular transducer senses gradient angle > 0 ° and institute locating for automobile
In the presence of stating the brake signal that braking sensor senses automobile, the angular transducer transmits angle signal and brake signal
To control unit, described control unit controls delay unit work, the fluid outlet unit gradually emptying.
6. speed changer parking system according to claim 5, which is characterized in that further include velocity sensor；
The velocity sensor is connect with control unit, and the velocity sensor is used to incude the travel speed of automobile, works as speed
When the travel speed of sensor sensing to automobile is greater than preset value, the velocity sensor transmits a signal to controller, the control
Device processed controls the delay unit work, and described control unit controls fluid flow out unit gradually emptying.
7. speed changer parking system according to claim 2, which is characterized in that the elastic element is spring.
8. speed changer parking system according to claim 5, which is characterized in that described control unit is PLC technology
Device.
9. a kind of speed changer parking system application method, which is characterized in that including as described in any one of claim 5,6 or 8
Speed changer parking system, the speed changer parking system application method includes the following steps:
Judge the signal of angular transducer and braking sensor；
If angular transducer senses that gradient angle locating for automobile is 0 °, control unit controls delay unit and opens, and fluid is mended
Valve closing is filled, fluid, which flows out valve portion, to be opened, delay unit gradually emptying；
If angular transducer senses gradient angle > 0 ° locating for automobile, the braking sensor senses the brake signal of automobile
In the presence of control unit controls delay unit and opens, and fluid supplements valve and closes, and fluid, which flows out valve portion, to be opened, delay unit
Gradually emptying；
If angular transducer senses gradient angle > 0 ° locating for automobile, the braking sensor senses the brake signal of automobile
In the absence of, described control unit controls delay unit and closes, and fluid supplements valve and closes, and fluid outflow valve is fully open,
The rapid emptying of delay unit.
10. speed changer parking system application method according to claim 9, which is characterized in that speed changer parking system
The step of application method of uniting further includes the signal for incuding velocity sensor；
If velocity sensor induction automobile running speed is greater than preset value, control unit controls delay unit and opens, and fluid is mended
Valve closing is filled, fluid, which flows out valve portion, to be opened, delay unit gradually emptying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300910.6A CN108999970B (en) | 2018-11-02 | 2018-11-02 | Transmission parking system and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300910.6A CN108999970B (en) | 2018-11-02 | 2018-11-02 | Transmission parking system and using method thereof |
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| CN108999970A true CN108999970A (en) | 2018-12-14 |
| CN108999970B CN108999970B (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811300910.6A Active CN108999970B (en) | 2018-11-02 | 2018-11-02 | Transmission parking system and using method thereof |
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| Country | Link |
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| CN (1) | CN108999970B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19834075A1 (en) * | 1998-07-29 | 2000-02-03 | Zahnradfabrik Friedrichshafen | Brake for automatic transmission has two pawls with opposite action positioned on opposite sides of a ratchet gear |
| US6279713B1 (en) * | 2000-02-17 | 2001-08-28 | Visteon Global Technologies, Inc. | Parking pawl assembly |
| DE10245951A1 (en) * | 2002-10-02 | 2004-04-29 | Zf Friedrichshafen Ag | Parking position lock for automatic transmission of motor vehicle has parts connected to gearbox, namely locking pawl, pivot pin for locking pawl and/or guide plate, acoustically decoupled by interposing of springs or damping devices |
| KR20070055140A (en) * | 2005-11-25 | 2007-05-30 | 현대자동차주식회사 | Parking rod buffer structure for automatic transmission |
| DE102008000177A1 (en) * | 2008-01-30 | 2009-08-06 | Zf Friedrichshafen Ag | Device for damping torsional vibrations in vehicle, has pivotally supported pawl with catch tooth engaged in tooth of parking lock wheel, where parking lock wheel is connected and arranged with axially working damping device |
| CN102037259A (en) * | 2008-10-16 | 2011-04-27 | 爱信艾达株式会社 | Range change device |
| CN203656168U (en) * | 2013-11-14 | 2014-06-18 | 浙江吉利控股集团有限公司 | Parking locking device for vehicle transmission |
| CN104930186A (en) * | 2014-03-21 | 2015-09-23 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Parking locking assembly for a motor vehicle transmission |
| CN104943665A (en) * | 2014-03-31 | 2015-09-30 | 比亚迪股份有限公司 | Parking executive device and vehicle with parking executive device |
| CN107110352A (en) * | 2014-12-17 | 2017-08-29 | 格特拉格有限两合公司 | Device for stop locking |
| CN107859740A (en) * | 2017-10-23 | 2018-03-30 | 北京新能源汽车股份有限公司 | P keeps off parking mechanism and vehicle |
| CN207648118U (en) * | 2017-10-20 | 2018-07-24 | 北汽福田汽车股份有限公司 | Halting mechanism, speed changer and vehicle |
-
2018
- 2018-11-02 CN CN201811300910.6A patent/CN108999970B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19834075A1 (en) * | 1998-07-29 | 2000-02-03 | Zahnradfabrik Friedrichshafen | Brake for automatic transmission has two pawls with opposite action positioned on opposite sides of a ratchet gear |
| US6279713B1 (en) * | 2000-02-17 | 2001-08-28 | Visteon Global Technologies, Inc. | Parking pawl assembly |
| DE10245951A1 (en) * | 2002-10-02 | 2004-04-29 | Zf Friedrichshafen Ag | Parking position lock for automatic transmission of motor vehicle has parts connected to gearbox, namely locking pawl, pivot pin for locking pawl and/or guide plate, acoustically decoupled by interposing of springs or damping devices |
| KR20070055140A (en) * | 2005-11-25 | 2007-05-30 | 현대자동차주식회사 | Parking rod buffer structure for automatic transmission |
| DE102008000177A1 (en) * | 2008-01-30 | 2009-08-06 | Zf Friedrichshafen Ag | Device for damping torsional vibrations in vehicle, has pivotally supported pawl with catch tooth engaged in tooth of parking lock wheel, where parking lock wheel is connected and arranged with axially working damping device |
| CN102037259A (en) * | 2008-10-16 | 2011-04-27 | 爱信艾达株式会社 | Range change device |
| CN203656168U (en) * | 2013-11-14 | 2014-06-18 | 浙江吉利控股集团有限公司 | Parking locking device for vehicle transmission |
| CN104930186A (en) * | 2014-03-21 | 2015-09-23 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Parking locking assembly for a motor vehicle transmission |
| CN104943665A (en) * | 2014-03-31 | 2015-09-30 | 比亚迪股份有限公司 | Parking executive device and vehicle with parking executive device |
| CN107110352A (en) * | 2014-12-17 | 2017-08-29 | 格特拉格有限两合公司 | Device for stop locking |
| CN207648118U (en) * | 2017-10-20 | 2018-07-24 | 北汽福田汽车股份有限公司 | Halting mechanism, speed changer and vehicle |
| CN107859740A (en) * | 2017-10-23 | 2018-03-30 | 北京新能源汽车股份有限公司 | P keeps off parking mechanism and vehicle |
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| CN108999970B (en) | 2020-05-05 |
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