CN107685607A - Adjust control method, device and the vehicle of vehicle rear suspension height - Google Patents
Adjust control method, device and the vehicle of vehicle rear suspension height Download PDFInfo
- Publication number
- CN107685607A CN107685607A CN201610631320.6A CN201610631320A CN107685607A CN 107685607 A CN107685607 A CN 107685607A CN 201610631320 A CN201610631320 A CN 201610631320A CN 107685607 A CN107685607 A CN 107685607A
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- height
- vehicle
- value
- rear suspension
- vehicle rear
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/05—Attitude
- B60G2400/051—Angle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/20—Speed
- B60G2400/204—Vehicle speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/90—System Controller type
- B60G2800/91—Suspension Control
- B60G2800/914—Height Control System
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- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of control method, device and vehicle for adjusting vehicle rear suspension height, the control method includes：Obtain the vehicle speed value of the vehicle；Obtain the height value between the vehicle rear suspension and ground；The regulative mode of the vehicle rear suspension height is determined according to acquired vehicle speed value and acquired height value, the regulative mode includes rise regulation and reduces regulation；According to the regulative mode of identified vehicle rear suspension height, control vehicle rear suspension adjusting means adjusts the vehicle rear suspension height to reorganizing and outfit height or access height.So, control method, device and the vehicle of regulation vehicle rear suspension height provided by the invention, the height of vehicle body can be automatically adjusted as the case may be, the relation between the comfortableness of ride-on vehicles and the stability of vehicle body traveling is better balanced, make full-vehicle control more intelligent, while improve Consumer's Experience.
Description
Technical field
The present invention relates to passenger car chassis field, in particular it relates to a kind of control method for adjusting vehicle rear suspension height,
Device and vehicle.
Background technology
For feeling for taking of the passenger car based on passenger, the stability of vehicle body is mostly important two with the comfortableness taken
Individual factor, but the stability of vehicle body is two conflicting performances with the comfortableness taken.
Rear suspension of the double leval jib integral bridge type suspension as separate type vehicle is used in correlation technique, wherein, two cloth
Put helical spring under vehicle on trailing arm and be used to bearing vehicle body load, trailing arm and upper thrust rod are used to bear longitudinal direction under vehicle
Power, and anti-sway bar is used to bear side force, so all leverages can ensure the movement locus of vehicle together.But due to
The rigidity of helical spring is non-adjustable, comfortableness can be caused to reduce while ensure that vehicle body rigidity, in addition using this rear overhang
Frame prevents bodywork height from actively adapting to specific road conditions, can also influence the stability of vehicle traveling.
The content of the invention
It is an object of the invention to provide a kind of control method, device and vehicle for adjusting vehicle rear suspension height, so as to more
The stability of vehicle traveling and the comfortableness taken are taken into account well.
To achieve these goals, the present invention provides a kind of control method for adjusting vehicle rear suspension height, the control
Method includes：
Obtain the vehicle speed value of the vehicle；
Obtain the height value between the vehicle rear suspension and ground；
The regulative mode of the vehicle rear suspension height, institute are determined according to acquired vehicle speed value and acquired height value
Stating regulative mode includes rise regulation and reduces regulation；
According to the regulative mode of identified vehicle rear suspension height, control vehicle rear suspension adjusting means adjusts the car
Rear suspension height is to reorganizing and outfit height or access height.
Alternatively, it is described obtain between the vehicle rear suspension and ground height value the step of include：
Obtain the angle value between the longitudinal beam of the vehicle and lower trailing arm；
The height value between vehicle rear suspension and ground is determined according to acquired angle value.
Alternatively, the vehicle speed value acquired in the basis and acquired height value determine the vehicle rear suspension height
The step of regulative mode, includes：
It is more than preset value in acquired vehicle speed value, and when acquired height value is less than first object value, it is determined that described
The regulative mode of vehicle rear suspension height is adjusted for rise；
It is not more than the preset value in acquired vehicle speed value, and when acquired height value is more than the second desired value, really
The regulative mode of the fixed vehicle rear suspension height is adjusted to reduce.
Alternatively, the control method also includes：
Obtain the enabled instruction for adjusting the vehicle rear suspension height；
In the case where getting the enabled instruction, the vehicle is determined according to acquired vehicle speed value and height value
The regulative mode of rear suspension height, wherein：
When acquired height value is less than first object value, the regulative mode for determining the vehicle rear suspension height is liter
Top adjustment；
It is not more than preset value in acquired vehicle speed value, and when acquired height value is more than the second desired value, determines institute
The regulative mode for stating vehicle rear suspension height is adjusted to reduce.
According to another aspect of the present invention, a kind of control device for adjusting vehicle rear suspension height, the control dress are also provided
Put including：
Speed acquisition module, for obtaining the vehicle speed value of the vehicle；
Height acquisition module, for obtaining the height value between the vehicle rear suspension and ground；
Judge module, obtained for the vehicle speed value according to acquired in the speed acquisition module and the height acquisition module
The height value taken determines the regulative mode of the vehicle rear suspension height, and the regulative mode includes rise regulation and reduced to adjust
Section；
Execution module, for the regulative mode of the vehicle rear suspension height determined according to the judge module, control vehicle
Rear suspension adjusting means adjusts vehicle rear suspension height to reorganizing and outfit height or access height.
Alternatively, the height acquisition module includes：
Angle acquisition module, for obtaining the angle value between the longitudinal beam of the vehicle and lower trailing arm；
Height determining module, it is connected with the angle acquisition module, for determining the car according to acquired angle value
Height value between rear suspension and ground.
Alternatively, the judge module is configured as the car according to acquired in the speed acquisition module as follows
Height value acquired in fast value and the height acquisition module determines the regulative mode of the vehicle rear suspension height：
It is more than preset value in acquired vehicle speed value, and when acquired height value is less than first object value, it is determined that described
The regulative mode of vehicle rear suspension height is adjusted for rise；
It is not more than the preset value in acquired vehicle speed value, and when acquired height value is more than the second desired value, really
The regulative mode of the fixed vehicle rear suspension height is adjusted to reduce.
Alternatively, the control device also includes：
Instruction acquisition module, the enabled instruction of the vehicle rear suspension height is adjusted for obtaining；
The judge module is additionally configured to be connected with the instruction acquisition module, and is getting the enabled instruction
In the case of, the regulation side of the vehicle rear suspension height is determined according to acquired vehicle speed value and height value as follows
Formula：
When acquired height value is less than first object value, the regulative mode for determining the vehicle rear suspension height is liter
Top adjustment；
It is not more than preset value in acquired vehicle speed value, and when acquired height value is more than the second desired value, determines institute
The regulative mode for stating vehicle rear suspension height is adjusted to reduce.
In accordance with a further aspect of the present invention, a kind of vehicle is also provided, the vehicle includes：
The control device of regulation vehicle rear suspension height provided by the invention；
Height detecting device, electrically connected with the control device, for detecting between the vehicle rear suspension and ground
Height value；
Vehicle speed detector device, electrically connected with the control device, for detecting the vehicle speed value of the vehicle；
Vehicle rear suspension adjusting means, it is connected with the control device, for being adjusted under the control of the control device
The vehicle rear suspension height.
Alternatively, the height detecting device includes being arranged on the longitudinal beam of the vehicle, for detecting the car
The angular transducer of angle value between frame longeron and lower trailing arm.
Pass through above-mentioned technical proposal, control method, device and the vehicle of regulation vehicle rear suspension height provided by the invention,
The height between current rotating speed, vehicle rear suspension and the ground of vehicle can be obtained, passes through the speed and car to Current vehicle
The comprehensive descision of height, to determine the need for being raised and lowered vehicle rear suspension, and is needing between rear suspension and ground
When raising vehicle rear suspension, control vehicle rear suspension is increased to reorganize and outfit height, when needing to reduce vehicle rear suspension, controls vehicle
Rear suspension is reduced to access height.So, control method, device and the car of regulation vehicle rear suspension height provided by the invention
, the height of vehicle body can be automatically adjusted as the case may be, and the comfortableness and vehicle body traveling of ride-on vehicles is better balanced
Stability between relation, make full-vehicle control more intelligent, while improve Consumer's Experience.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the flow of the control method of the regulation vehicle rear suspension height provided according to one embodiment of the present invention
Figure；
Fig. 2 is the stream of the control method of the regulation vehicle rear suspension height provided according to another embodiment of the invention
Cheng Tu；
Fig. 3 is the stream of the control method of the regulation vehicle rear suspension height provided according to another embodiment of the invention
Cheng Tu；
Fig. 4 is the stream of the control method of the regulation vehicle rear suspension height provided according to another embodiment of the invention
Cheng Tu；
Fig. 5 is the structure of the control device of the regulation vehicle rear suspension height provided according to one embodiment of the present invention
Block diagram；
Fig. 6 is the knot of the control device of the regulation vehicle rear suspension height provided according to another embodiment of the invention
Structure block diagram；
Fig. 7 is the knot of the control device of the regulation vehicle rear suspension height provided according to another embodiment of the invention
Structure block diagram；
Fig. 8 is that the annexation in the vehicle provided according to one embodiment of the present invention between each device is illustrated
Figure；
Fig. 9 is that the annexation in the vehicle provided according to another embodiment of the invention between each device is illustrated
Figure.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
According to an aspect of the present invention, there is provided a kind of control method for adjusting vehicle rear suspension height, Fig. 1 is according to this hair
The flow chart of the control method for the regulation vehicle rear suspension height that a kind of bright embodiment provides.As shown in figure 1, this method can
With including：
In step s 110, the vehicle speed value of vehicle is obtained.Specifically, can by communicated with vehicle communication bus come
The real-time vehicle speed value of vehicle is obtained, can also be connected by the wheel speed sensors with vehicle to obtain the real-time vehicle speed value of vehicle.
In the step s 120, the height value between vehicle rear suspension and ground is obtained.In one embodiment, Ke Yi
Angular transducer is set between vehicle rear suspension longeron and lower trailing arm, the sensor can directly detect vehicle rear suspension longeron
With the relative angle between lower trailing arm, according to the annexation between each device on vehicle chassis, angular transducer detection
Angle value can qualitatively represent height of the vehicle rear suspension relative to ground.In another embodiment, can also use
Photoelectric sensor directly detects the height value between vehicle body and ground.
In step s 130, the tune of vehicle rear suspension height is determined according to acquired vehicle speed value and acquired height value
Section mode, the regulative mode can include rise regulation and reduce regulation.
In step S140, according to the regulative mode of identified vehicle rear suspension height, control vehicle rear suspension regulation
Device regulation vehicle rear suspension height to reorganize and outfit height or access height.
Wherein, reorganize and outfit height and refer to the height of vehicle rear suspension during vehicle zero load relative to ground, access height refers to car
When handling goods and passenger getting on/off vehicle rear suspension relative to ground height, it is generally the case that access height is less than whole
Standby height, and access height may, for example, be less than height 50mm is reorganized and outfit, and so both can guarantee that the convenient by property and can of vehicle
Handling goods and passenger getting on/off.Therefore, exemplarily, when it is determined that the highly desirable rise of vehicle rear suspension is adjusted, will control
Vehicle rear suspension adjusting means processed regulation vehicle rear suspension height is to reorganizing and outfit height；When it is determined that the highly desirable reduction of vehicle rear suspension
During regulation, by control vehicle rear suspension adjusting means regulation vehicle rear suspension height to access height.It should be appreciated that vehicle
Rear suspension and vehicle body integrated design, vehicle rear suspension can represent height of the vehicle body relative to ground relative to the height on ground
Degree, therefore it is highly regulation bodywork height to adjust vehicle rear suspension.
Pass through above-mentioned technical proposal, control method, device and the vehicle of regulation vehicle rear suspension height provided by the invention,
The height between current rotating speed, vehicle rear suspension and the ground of vehicle can be obtained, passes through the speed and car to Current vehicle
The comprehensive descision of height, to determine the need for being raised and lowered vehicle rear suspension, and is needing between rear suspension and ground
When raising vehicle rear suspension, control vehicle rear suspension is increased to reorganize and outfit height, when needing to reduce vehicle rear suspension, controls vehicle
Rear suspension is reduced to access height.So, control method, device and the car of regulation vehicle rear suspension height provided by the invention
, the height of vehicle body can be automatically adjusted as the case may be, and the comfortableness and vehicle body traveling of ride-on vehicles is better balanced
Stability between relation, make full-vehicle control more intelligent, while improve Consumer's Experience.
Fig. 2 is the stream of the control method of the regulation vehicle rear suspension height provided according to another embodiment of the invention
Cheng Tu.As shown in Fig. 2 alternatively, the step of obtaining the height value between vehicle rear suspension and ground (S120), can include：
In step S121, the angle value between the longitudinal beam of vehicle and lower trailing arm is obtained；
In step S122, the height value between vehicle rear suspension and ground is determined according to acquired angle value.
Due to the bar linkage structure of vehicle chassis, caused relative angle can reflect vehicle body between longitudinal beam and lower trailing arm
The change of height.In one embodiment, the angle value that can be demarcated in advance between longitudinal beam and lower trailing arm, and after vehicle
The corresponding relation between height value between suspension and ground, according to the corresponding relation, you can getting longitudinal beam with
After angle value between trailing arm, the height between vehicle rear suspension and ground is obtained.Relative to directly obtain vehicle rear suspension with
For the method for height value between ground, obtain that the mode of angle value is simpler, and cost is lower, and reliable results.
Fig. 3 is the stream of the control method of the regulation vehicle rear suspension height provided according to another embodiment of the invention
Cheng Tu.As shown in figure 3, alternatively, on the basis of Fig. 1, institute is determined according to acquired vehicle speed value and acquired height value
The step of stating the regulative mode of vehicle rear suspension height (S130) can include：
In step S131, it is more than preset value in acquired vehicle speed value, and acquired height value is less than first object
During value, determine that the regulative mode of vehicle rear suspension height is adjusted for rise；
In step S132, it is not more than preset value in acquired vehicle speed value, and acquired height value is more than the second mesh
During scale value, determine that the regulative mode of vehicle rear suspension height is adjusted to reduce.
Exemplarily, the preset value of speed can be 12km/h (kilometer per hour), and the first object value of height value can be with
When being vehicle zero load, height value of the vehicle rear suspension corresponding to relative to angle value caused by lower trailing arm, the second mesh of height value
When scale value can be vehicle handling goods and passenger getting on/off, vehicle rear suspension is relative to corresponding to angle value caused by lower trailing arm
Height value, due to different vehicles, its deadweight is also different, it should be appreciated that the first object value and the second desired value should
May also be different with the numerical value represented in different vehicles, the present invention is not intended to limit the specific implementation of the preset value of speed in addition
Mode, the preset value of speed can be set for the different demands of speed according to user.
When speed is more than 12km/h (kilometer per hour), now speed is very fast, to ensure the cross-country traveling ability of vehicle, increase
The comfortableness that passenger takes, once the height value between vehicle rear suspension and ground is less than first object value, then needs vehicle
Rear suspension is highly increased to reorganize and outfit height；When speed is not more than 12km/h (kilometer per hour), speed is relatively slow, after vehicle
, then can be by vehicle rear suspension height reduction to access height when height value between suspension and ground is more than the second desired value.
Thus, it is possible to vehicle rear suspension height is automatically adjusted according to the height value between vehicle speed value and vehicle rear suspension and ground
Degree, that is, bodywork height, preferably take into account vehicle body stability and riding comfort, and satisfied Consumer's Experience is brought for user,
Strengthen the automation of entire vehicle design simultaneously.
Fig. 4 is the stream of the control method of the regulation vehicle rear suspension height provided according to another embodiment of the invention
Cheng Tu.As shown in figure 4, alternatively, the control method can also include：
In step S410, the vehicle speed value of vehicle is obtained；
In the step s 420, the height value between vehicle rear suspension and ground is obtained；
In step S430, the enabled instruction of regulation vehicle rear suspension height is obtained；
It is true according to acquired vehicle speed value and height value in the case where getting enabled instruction in step S440
Determine the regulative mode of vehicle rear suspension height, wherein：
In step S441, when acquired height value is less than first object value, the tune of vehicle rear suspension height is determined
Section mode is adjusted for rise；
In step S442, it is not more than preset value in acquired vehicle speed value, and acquired height value is more than the second mesh
During scale value, determine that the regulative mode of vehicle rear suspension height is adjusted to reduce；
In step S450, according to the regulative mode of identified vehicle rear suspension height, control vehicle rear suspension regulation
Device regulation vehicle rear suspension height to reorganize and outfit height or access height.
In one embodiment, vehicle is also provided with enabled switch, and the enabled switch is manually entered for user
The request of vehicle rear suspension height is adjusted, the enabled switch may, for example, be in the case where there is user's triggering sends pulse letter
Number.It is to get enabled instruction, if now acquired vehicle rear overhang when getting the enabled switch has output of pulse signal
Height value between frame and ground is less than first object value, no matter the vehicle speed value then got is also less than presetting more than preset value
Value, can control vehicle rear suspension adjusting means rise vehicle rear suspension height to reorganize and outfit height；If now acquired car
Speed value is not more than preset value, and the height value between acquired vehicle rear suspension and ground is more than the second desired value, then vehicle body
Height still has the space of decline, and vehicle rear suspension adjusting means can be controlled to reduce height of car to access height.
Thus, user can adjust bodywork height manually according to the current state of the wish combination vehicle of oneself, work as speed
When value is less than preset value, can manually it control to raise bodywork height or reduce bodywork height；When speed is more than preset value
When, manually bodywork height can be controlled to raise.In addition, the embodiment point of the step S410, S320 and S450 in Fig. 4
The embodiment of step S110, S120 and S140 not with combining Fig. 1 descriptions are consistent, therefore identical content is no longer done in detail
Describe in detail bright.
According to another aspect of the present invention, a kind of control device for adjusting vehicle rear suspension height is also provided, Fig. 5 is basis
The structured flowchart of the control device for the regulation vehicle rear suspension height that one embodiment of the present invention provides.As shown in figure 5, should
Control device 500 can include：
Speed acquisition module 510, for obtaining the vehicle speed value of vehicle；
Height acquisition module 520, for obtaining the height value between vehicle vehicle rear suspension and ground；
Judge module 530, for the vehicle speed value according to acquired in speed acquisition module 510 and the institute of height acquisition module 520
The height value of acquisition determines the regulative mode of vehicle rear suspension height, and the regulative mode can include rise regulation and reduce to adjust
Section；
Execution module 540, for the regulative mode of the vehicle rear suspension height determined according to judge module 530, control car
Rear suspension adjusting means regulation vehicle rear suspension height is to reorganizing and outfit height or access height.
Pass through above-mentioned technical proposal, control method, device and the vehicle of regulation vehicle rear suspension height provided by the invention,
The height between current rotating speed, vehicle rear suspension and the ground of vehicle can be obtained, passes through the speed and car to Current vehicle
The comprehensive descision of height, to determine the need for being raised and lowered vehicle rear suspension, and is needing between rear suspension and ground
When raising vehicle rear suspension, control vehicle rear suspension is increased to reorganize and outfit height, when needing to reduce vehicle rear suspension, controls vehicle
Rear suspension is reduced to access height.So, control method, device and the car of regulation vehicle rear suspension height provided by the invention
, the height of vehicle body can be automatically adjusted as the case may be, and the comfortableness and vehicle body traveling of ride-on vehicles is better balanced
Stability between relation, make full-vehicle control more intelligent, while improve Consumer's Experience.
Fig. 6 is the knot of the control device of the regulation vehicle rear suspension height provided according to another embodiment of the invention
Structure block diagram.As shown in fig. 6, height acquisition module 520 can include：
Angle acquisition module 521, for obtaining the angle value between the longeron of vehicle frame and lower trailing arm；
Height determining module 522, it is connected with angle acquisition module 521, described in being determined according to acquired angle value
Height value between vehicle rear suspension and ground.
Alternatively, judge module 530 is configured as the speed according to acquired in speed acquisition module 510 as follows
Height value acquired in value and height acquisition module 520 determines the regulative mode of vehicle rear suspension height：
It is more than preset value in acquired vehicle speed value, and when acquired height value is less than first object value, determines vehicle
The regulative mode of rear suspension height is adjusted for rise；
It is not more than preset value in acquired vehicle speed value, and when acquired height value is more than the second desired value, determines car
The regulative mode of rear suspension height is adjusted to reduce.
Fig. 7 is the knot of the control device of the regulation vehicle rear suspension height provided according to another embodiment of the invention
Structure block diagram.As shown in fig. 7, alternatively, control device 500 can also include：
Instruction acquisition module 550, for obtaining the enabled instruction of regulation vehicle rear suspension height；
Judge module 530 is additionally configured to be connected with instruction acquisition module 550, and in the situation for getting enabled instruction
Under, the regulative mode of vehicle rear suspension height is determined according to acquired vehicle speed value and height value as follows：
When acquired height value is less than first object value, determine that the regulative mode of vehicle rear suspension height is adjusted for rise
Section；
It is not more than preset value in acquired vehicle speed value, and when acquired height value is more than the second desired value, determines car
The regulative mode of rear suspension height is adjusted to reduce.
The control device corresponds to the control method of regulation vehicle rear suspension height provided by the invention, therefore same detail
It will not be described in great detail.
Pass through above-mentioned technical proposal, control method, device and the vehicle of regulation vehicle rear suspension height provided by the invention,
The height between current rotating speed, vehicle rear suspension and the ground of vehicle can be obtained, passes through the speed and car to Current vehicle
The comprehensive descision of height, to determine the need for being raised and lowered vehicle rear suspension, and is needing between rear suspension and ground
When raising vehicle rear suspension, control vehicle rear suspension is increased to reorganize and outfit height, when needing to reduce vehicle rear suspension, controls vehicle
Rear suspension is reduced to access height.So, control method, device and the car of regulation vehicle rear suspension height provided by the invention
, the height of vehicle body can be automatically adjusted as the case may be, and the comfortableness and vehicle body traveling of ride-on vehicles is better balanced
Stability between relation, make full-vehicle control more intelligent, while improve Consumer's Experience.
In accordance with a further aspect of the present invention, a kind of vehicle is also provided, Fig. 8 is provided according to one embodiment of the present invention
Vehicle in connection relationship diagram between each device.As shown in figure 8, the vehicle can include：
The control device 500 of regulation vehicle rear suspension height provided by the invention；
Height detecting device 400, electrically connected with control device 500, for detecting the height between vehicle rear suspension and ground
Angle value；
Vehicle speed detector device 300, electrically connected with the control device 500, for detecting the vehicle speed value of vehicle；
Vehicle rear suspension adjusting means 200, it is connected with the control device 500, for the control downward in control device 500
Save vehicle rear suspension height.
Wherein, vehicle rear suspension adjusting means 200 can be electronic control air suspension system (Electical Control
Air System, ECAS), ECAS can include air spring, magnetic valve, air accumulator, air pump and be connected to air spring and
Pressure sensor on air accumulator, ECAS can be inside air spring and in the case of the permissions of air accumulator internal pressure, root
Inflated for deflated for air spring according to the current state of vehicle, to realize the regulation of bodywork height, ECAS more should in the prior art
With on the oversize vehicles such as high capacity waggon, bus.Exemplarily, passenger car can also be provided with ECAS, and such ECAS can be with
With reference to the control dress of air spring internal pressure, air accumulator internal pressure and regulation vehicle rear suspension height provided by the invention
Put the comfortableness for carrying out balanced vehicle ride and the stability of vehicle body.
Fig. 9 is that the annexation in the vehicle provided according to another embodiment of the invention between each device is illustrated
Figure.As shown in figure 9, alternatively, height detecting device 400 can include：It is arranged on the longitudinal beam of vehicle, for detecting car
The angular transducer 410 of angle value between frame longeron and lower trailing arm.
In one embodiment, height detecting device 400 can include angular transducer 410, and angular transducer 410 can
To detect vehicle under different conditions, caused relative angle between the longeron of vehicle frame and lower trailing arm, and according to detected
The difference of angle exports different electric signals, for example, angular transducer can export 0-5V voltage signals.According to angular transducer
The different electrical signals of 410 outputs, control device 500 can determine the height value between vehicle rear suspension and ground, pass through angle
Sensor, which carrys out indirect detection bodywork height, can either ensure reliable results, and and can saves the assembly cost of vehicle.
Pass through above-mentioned technical proposal, control method, device and the vehicle of regulation vehicle rear suspension height provided by the invention,
The height between current rotating speed, vehicle rear suspension and the ground of vehicle can be obtained, passes through the speed and car to Current vehicle
The comprehensive descision of height, to determine the need for being raised and lowered vehicle rear suspension, and is needing between rear suspension and ground
When raising vehicle rear suspension, control vehicle rear suspension is increased to reorganize and outfit height, when needing to reduce vehicle rear suspension, controls vehicle
Rear suspension is reduced to access height.So, control method, device and the car of regulation vehicle rear suspension height provided by the invention
, the height of vehicle body can be automatically adjusted as the case may be, and the comfortableness and vehicle body traveling of ride-on vehicles is better balanced
Stability between relation, make full-vehicle control more intelligent, while improve Consumer's Experience.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of control method for adjusting vehicle rear suspension height, it is characterised in that the control method includes：
Obtain the vehicle speed value of the vehicle；
Obtain the height value between the vehicle rear suspension and ground；
The regulative mode of the vehicle rear suspension height, the tune are determined according to acquired vehicle speed value and acquired height value
Section mode includes rise regulation and reduces regulation；
According to the regulative mode of identified vehicle rear suspension height, after control vehicle rear suspension adjusting means adjusts the vehicle
Suspension height to reorganize and outfit height or access height.
2. control method according to claim 1, it is characterised in that described to obtain between the vehicle rear suspension and ground
Height value the step of include：
Obtain the angle value between the longitudinal beam of the vehicle and lower trailing arm；
The height value between vehicle rear suspension and ground is determined according to acquired angle value.
3. control method according to claim 2, it is characterised in that vehicle speed value acquired in the basis and acquired
Height value determines that the step of regulative mode of the vehicle rear suspension height includes：
It is more than preset value in acquired vehicle speed value, and when acquired height value is less than first object value, determines the vehicle
The regulative mode of rear suspension height is adjusted for rise；
It is not more than the preset value in acquired vehicle speed value, and when acquired height value is more than the second desired value, determines institute
The regulative mode for stating vehicle rear suspension height is adjusted to reduce.
4. control method according to claim 2, it is characterised in that the control method also includes：
Obtain the enabled instruction for adjusting the vehicle rear suspension height；
In the case where getting the enabled instruction, the vehicle rear overhang is determined according to acquired vehicle speed value and height value
The regulative mode of frame height, wherein：
When acquired height value is less than first object value, determine that the regulative mode of the vehicle rear suspension height is adjusted for rise
Section；
It is not more than preset value in acquired vehicle speed value, and when acquired height value is more than the second desired value, determines the car
The regulative mode of rear suspension height is adjusted to reduce.
5. a kind of control device for adjusting vehicle rear suspension height, it is characterised in that the control device includes：
Speed acquisition module, for obtaining the vehicle speed value of the vehicle；
Height acquisition module, for obtaining the height value between the vehicle rear suspension and ground；
Judge module, for acquired in the vehicle speed value according to acquired in the speed acquisition module and the height acquisition module
Height value determines the regulative mode of the vehicle rear suspension height, and the regulative mode includes rise regulation and reduces regulation；
Execution module, for the regulative mode of the vehicle rear suspension height determined according to the judge module, control vehicle rear overhang
Frame adjusting means adjusts vehicle rear suspension height to reorganizing and outfit height or access height.
6. control device according to claim 5, it is characterised in that the height acquisition module includes：
Angle acquisition module, for obtaining the angle value between the longitudinal beam of the vehicle and lower trailing arm；
Height determining module, it is connected with the angle acquisition module, after determining the vehicle according to acquired angle value
Height value between suspension and ground.
7. control device according to claim 6, it is characterised in that the judge module is configured as follows
The height value acquired in vehicle speed value and the height acquisition module according to acquired in the speed acquisition module determines the car
The regulative mode of rear suspension height：
It is more than preset value in acquired vehicle speed value, and when acquired height value is less than first object value, determines the vehicle
The regulative mode of rear suspension height is adjusted for rise；
It is not more than the preset value in acquired vehicle speed value, and when acquired height value is more than the second desired value, determines institute
The regulative mode for stating vehicle rear suspension height is adjusted to reduce.
8. control device according to claim 6, it is characterised in that the control device also includes：
Instruction acquisition module, the enabled instruction of the vehicle rear suspension height is adjusted for obtaining；
The judge module is additionally configured to be connected with the instruction acquisition module, and in the situation for getting the enabled instruction
Under, the regulative mode of the vehicle rear suspension height is determined according to acquired vehicle speed value and height value as follows：
When acquired height value is less than first object value, determine that the regulative mode of the vehicle rear suspension height is adjusted for rise
Section；
It is not more than preset value in acquired vehicle speed value, and when acquired height value is more than the second desired value, determines the car
The regulative mode of rear suspension height is adjusted to reduce.
9. a kind of vehicle, it is characterised in that the vehicle includes：
The control device of regulation vehicle rear suspension height according to any one of claim 4-6；
Height detecting device, electrically connected with the control device, for detecting the height between the vehicle rear suspension and ground
Value；
Vehicle speed detector device, electrically connected with the control device, for detecting the vehicle speed value of the vehicle；
Vehicle rear suspension adjusting means, it is connected with the control device, for described in the regulation under the control of the control device
Vehicle rear suspension height.
10. vehicle according to claim 9, it is characterised in that the height detecting device includes being arranged on the vehicle
Longitudinal beam on, for detecting the angular transducer of the angle value between the longitudinal beam and lower trailing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610631320.6A CN107685607A (en) | 2016-08-04 | 2016-08-04 | Adjust control method, device and the vehicle of vehicle rear suspension height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610631320.6A CN107685607A (en) | 2016-08-04 | 2016-08-04 | Adjust control method, device and the vehicle of vehicle rear suspension height |
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| CN107685607A true CN107685607A (en) | 2018-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610631320.6A Pending CN107685607A (en) | 2016-08-04 | 2016-08-04 | Adjust control method, device and the vehicle of vehicle rear suspension height |
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| CN (1) | CN107685607A (en) |
Cited By (1)
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| CN116674333A (en) * | 2023-07-28 | 2023-09-01 | 成都赛力斯科技有限公司 | Active suspension control method, device, computer equipment and storage medium |
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Effective date of registration: 20181213 Address after: 102206 Beijing Changping District Shahe town Shayang Road, Niu Niu Wan Village North Applicant after: Beiqi Futian Automobile Co., Ltd. Address before: 100102 No.1 Courtyard Building, Futong East Street, Chaoyang District, Beijing Applicant before: Auto (China) Co., Ltd. |
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