CN109424690A - The damping control method of damper, voltage-controlled variable damping vibration insulating system and vehicle - Google Patents
The damping control method of damper, voltage-controlled variable damping vibration insulating system and vehicle Download PDFInfo
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- CN109424690A CN109424690A CN201710966576.7A CN201710966576A CN109424690A CN 109424690 A CN109424690 A CN 109424690A CN 201710966576 A CN201710966576 A CN 201710966576A CN 109424690 A CN109424690 A CN 109424690A
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- air
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- shock absorber
- damping
- controlled variable
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- 238000013016 damping Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000006096 absorbing agent Substances 0.000 claims abstract description 55
- 230000035939 shock Effects 0.000 claims abstract description 55
- 230000001133 acceleration Effects 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims 1
- 239000000725 suspension Substances 0.000 description 6
- 210000000664 rectum Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
Classifications
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
- F16F9/5123—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity responsive to the static or steady-state load on the damper
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
- F16F2222/126—Fluid damping using gases
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
本发明涉及一种减振器的阻尼控制方法、压控变阻尼减振系统及车辆。减振器的阻尼控制方法包括以下步骤：步骤一、通过传感器检测车辆工况，步骤二、自动控制装置根据检测到的车辆工况控制与空气减振器的工作腔连接的控制阀的开闭以实现工作腔的充放气，通过工作腔的充放气改变工作腔的压力来改变空气减振器的阻尼。通过传感器检测车辆工况，自动控制装置根据检测到的车辆工况控制控制阀的开闭以实现工作腔的充放气，进而来改变空气减振器的阻尼，实现主动控制，调节后的阻尼力能够满足车辆各种工况。
The invention relates to a damping control method of a shock absorber, a pressure-controlled variable damping shock-absorbing system and a vehicle. The damping control method of the shock absorber includes the following steps: step 1, detecting the vehicle working condition through a sensor, and step 2, the automatic control device controls the opening and closing of the control valve connected with the working chamber of the air shock absorber according to the detected vehicle working condition In order to realize the inflation and deflation of the working chamber, the damping of the air shock absorber is changed by changing the pressure of the working chamber through the inflation and deflation of the working chamber. The vehicle operating conditions are detected by the sensor, and the automatic control device controls the opening and closing of the control valve according to the detected vehicle operating conditions to realize the inflation and deflation of the working chamber, thereby changing the damping of the air shock absorber, realizing active control, and the adjusted damping The force can meet various working conditions of the vehicle.
Description
Technical field
The present invention relates to a kind of damping control method of damper, voltage-controlled variable damping vibration insulating system and vehicles.
Background technique
Vehicle in the process of moving, since uneven road surface is more, in addition the bumpy roads such as deceleration strip often occur, leads to vehicle
When by comparing poor road surface, it is larger to generate impact sense, jolts the problems such as serious, and passenger takes extremely uncomfortable, causes
Passenger complains.In order to solve these problems, one of solution is to reduce suspension rate, and absorber damping force is turned down, is obtained
More comfortable suspension property, but rigidity and damping due to reducing suspension also bring manipulation deficiency, roll and feel larger, lead
It causes to drive the problem of sense of security reduces.The riding comfort and control stability of vehicle take into account promotion, become anxious in chassis technology
Knotty problem to be solved.
Currently, notification number is CN206231180U, the day for announcing is that the Chinese utility model patent of 2017.06.09 discloses
A kind of interconnection type air-supported shock absorber module, which includes left front damper, right front damper, left back
Damper and right rear shock absorber, each damper are air-supported shock absorber 1 as shown in Figure 1, and air-supported shock absorber 1 has working chamber,
The piston 103 for working chamber being divided into epicoele and cavity of resorption is equipped in working chamber, piston 103 is equipped with intake valve and vent valve in work
Realize that flowing of the gas between epicoele and cavity of resorption generates damping when plug moves up and down, intake valve forms breather check valve 101, puts
Air valve forms exhaust check valve 102.Four dampers realize the interconnection of the corresponding cavity of corresponding damper by interconnect device, each
The lower air circuit breaker 105 being connected to the upper air circuit breaker 106 of epicoele connection and with cavity of resorption, each damper are respectively equipped on damper
Epicoele be connected to by upper air circuit breaker 106 with the interconnect device, cavity of resorption passes through lower air circuit breaker 105 and the interconnect device
Connection.In vehicle travel process, when the urgent lane change of appearance, urgent excessively curved, emergency braking, urgent acceleration or road inequality work
When condition, due to the connection effect of two sides damper, the inertia force of vehicle sends out the air-supported shock absorber working chamber internal pressure of two sides
The raw adjusting changed and then realize vehicle damping force, the riding comfort and control stability for realizing vehicle take into account promotion.
But the piping connection of this interconnection type air Damping modules is complicated, the inertia force for relying solely on vehicle realizes sky
The adjusting of gas damper air pressure inside can not achieve active control, and the damping force after adjusting might not be able to satisfy vehicle working condition.
Summary of the invention
The purpose of the present invention is to provide a kind of damping control methods of damper, solve interconnection type air in the prior art
The piping connection of Damping modules is complicated, and the inertia force for relying solely on vehicle realizes the adjusting of air-supported shock absorber air pressure inside, cannot
The problem of realization active control, the damping force after adjusting might not be able to satisfy vehicle working condition；The present invention also aims to mention
For a kind of voltage-controlled variable damping vibration insulating system；The object of the invention is also to provide a kind of vehicles.
To achieve the above object, the technical solution of the damping control method of damper of the present invention is:
Technical solution 1: the damping control method of damper the following steps are included: Step 1: by sensor detected vehicle operating condition,
Step 2: automatic control device controls the control valve connecting with the working chamber of air-supported shock absorber according to the vehicle working condition detected
It is opened and closed the inflation/deflation to realize working chamber, the pressure of working chamber is changed by the inflation/deflation of working chamber to change air-supported shock absorber
Damping.The beneficial effect is that: by sensor detected vehicle operating condition, automatic control device is controlled according to the vehicle working condition detected
The opening and closing of control valve changes the damping of air-supported shock absorber to realize the inflation/deflation of working chamber, realizes active control, adjusts
Damping force afterwards can satisfy the various operating conditions of vehicle.
Technical solution 2: the damping control method of damper according to technical solution 1, the control valve include air inlet
What switch valve and exhaust switch valve, the air inlet switch valve and exhaust switch valve were opened and closed with control control valve independently of each other and respectively
Automatic control device connection.
Technical solution 3: the damping control method of damper according to technical solution 1, the sensor include being used for
Detect the velocity sensor, the acceleration transducer for detecting vehicle acceleration and the angle for detecting vehicle angular displacement of car speed
Displacement sensor.
The technical solution of the voltage-controlled variable damping vibration insulating system of the present invention is:
Technical solution 1: voltage-controlled variable damping vibration insulating system includes air-supported shock absorber, and air-supported shock absorber has working chamber, the work
The control valve of the inflation/deflation for realizing working chamber is connected on chamber, the voltage-controlled variable damping vibration insulating system further includes and the control
The automatic control device of valve connection processed, automatic control device connect the sensor for detecting vehicle working condition.
Technical solution 2: voltage-controlled variable damping vibration insulating system according to technical solution 1, the control valve includes INO Intake Open
Close valve and exhaust switch valve, the air inlet switch valve and exhaust switch valve it is mutually indepedent and respectively with control control valve opening and closing from
Dynamic control device connection.
Technical solution 3: voltage-controlled variable damping vibration insulating system, the work of the air-supported shock absorber according to technical solution 2
Chamber is connect with the air inlet switch valve and exhaust switch valve by three-way connection.
Technical solution 4: voltage-controlled variable damping vibration insulating system, the sensor according to technical solution 1 or 2 or 3 include
For detecting the velocity sensor of car speed, the acceleration transducer for detecting vehicle acceleration and detection vehicle angular displacement
Angular displacement sensor.
Technical solution 5: the voltage-controlled variable damping vibration insulating system according to technical solution 2, the air inlet switch valve connect into
Device of air, the inlet duct is by gas receiver, inflating pump and for providing the motor form of the energy to inflating pump.
Technical solution 6: the voltage-controlled variable damping vibration insulating system according to technical solution 1 or 2 or 3, in the work gas room
Equipped with piston, piston is equipped with breather check valve and exhaust check valve, the damp channel of breather check valve and exhaust check valve
Latus rectum is different.The beneficial effect is that: setting breather check valve and exhaust check valve are closed during piston is pulled up
The big check valve of the latus rectum of damp channel, to guarantee there is biggish enhanced stretch resistance, solve vehicle operation due to used
Property jolt upwards, cause passenger to take uncomfortable problem.
The technical solution of vehicle of the present invention is:
Technical solution 1: a kind of vehicle, including car body and axle assembly further include voltage-controlled variable damping vibration insulating system, voltage-controlled variable damping
Vibration insulating system includes air-supported shock absorber, and air-supported shock absorber has working chamber, is connected on the working chamber for realizing working chamber
Inflation/deflation control valve, the voltage-controlled variable damping vibration insulating system further includes the automatic control device connecting with the control valve,
Automatic control device connects the sensor for detecting vehicle working condition.
Technical solution 2: vehicle according to technical solution 1, the control valve include air inlet switch valve and air discharge cook
Valve, the air inlet switch valve and exhaust switch valve are mutually indepedent and the automatic control device with control control valve opening and closing connects respectively
It connects.
Technical solution 3: according to vehicle described in technical solution 2, the working chamber of the air-supported shock absorber and the INO Intake Open
Valve is closed to connect with exhaust switch valve by three-way connection.
Technical solution 4: according to vehicle described in technical solution 1 or 2 or 3, the sensor includes for detecting vehicle speed
The velocity sensor of degree, the acceleration transducer for detecting vehicle acceleration and the angle displacement transducer for detecting vehicle angular displacement
Device.
Technical solution 5: according to vehicle described in technical solution 1 or 2 or 3, the automatic control device is ECU.
Technical solution 6: according to vehicle described in technical solution 2, the air inlet switch valve connects inlet duct, the air inlet
Device is by gas receiver, inflating pump and for providing the motor form of the energy to inflating pump.
Technical solution 7: according to vehicle described in technical solution 1 or 2 or 3, piston is equipped in the work gas room, on piston
Equipped with breather check valve and exhaust check valve, breather check valve is different with the latus rectum of the damp channel of exhaust check valve.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of air-supported shock absorber in the prior art；
Fig. 2 is that the pressure control of vehicle of the present invention becomes fitting arrangement of the vibration damping system on suspension；
Fig. 3 is that the pressure control of vehicle of the present invention becomes the structural schematic diagram of vibration damping system；
Fig. 4 is the structural schematic diagram of the air-supported shock absorber of the voltage-controlled change vibration damping system of vehicle of the present invention.
Description of symbols: 1. air-supported shock absorbers；101. breather check valve；102. exhaust check valve；103. piston；105.
Lower air circuit breaker；Air circuit breaker on 106.；107. gas stake；2. exhaust switch valve；3. air inlet switch valve；4. three-way connection；401.
Inlet channel；402. exhaust passage；5. gas receiver；6.ECU；7. sensor；8. inflating pump；9. motor；10. guide rod；11. bottom
Disk crossbeam；12. air spring；Mounting bracket on 13.；14. lower mounting bracket.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The embodiment 1 of vehicle of the invention, as shown in Figures 2 to 4, the vehicle include vehicle bridge (being not drawn into figure) and and vehicle
The connected suspension frame structure of bridge, suspension frame structure include guide rod 10, air spring 12 and voltage-controlled change vibration damping system, the voltage-controlled change vibration
Damping system includes air-supported shock absorber 1, and air-supported shock absorber 1 is connect with air spring 12 by upper mounting bracket 13, passed through
Lower mounting bracket 14 is connect with guide rod 10.
Air-supported shock absorber 1 has working chamber using a kind of air-supported shock absorber in the prior art, air-supported shock absorber 1,
When being filled with gas in working chamber, entire working chamber internal pressure increases, and the rigidity of air-supported shock absorber 1 increases；When in working chamber
When gas is discharged, entire working chamber internal pressure reduces, and the rigidity of air-supported shock absorber 1 reduces.The piston 103 of working chamber is equipped with
Breather check valve 101 and exhaust check valve 102 realize stream of the gas between epicoele and cavity of resorption when piston 103 moves up and down
The raw damping of movable property.The latus rectum of the damp channel of breather check valve 101 is greater than the latus rectum of the damp channel of exhaust check valve 102, into
Gas check valve 101 controls gas and is only capable of flowing into cavity of resorption, in 1 drawing process of air damper, epicoele from the upper chamber of working chamber
Air pressure increases, and cavity of resorption air pressure reduces, under realizing that epicoele gas is entered by certain flow by the effect of breather check valve 101
Chamber, it is ensured that certain enhanced stretch resistance；Exhaust check valve 102 controls gas and is only capable of flowing into epicoele from cavity of resorption, presses in air damper 3
In compression process, epicoele air pressure reduces, and cavity of resorption air pressure increases, and by the effect of exhaust check valve 102, realizes that cavity of resorption gas quickly flows
Enter epicoele, it is ensured that certain resistance to compression pression.Working chamber is equipped with gas stake 107, and gas stake 107 connects air inlet by three-way connection 4 and leads to
Road 401 and exhaust passage 402, are equipped with air inlet switch valve 3 on inlet channel 401, and exhaust passage 402 is equipped with exhaust switch valve
2, inlet channel 401 connects inlet duct.Inlet duct is by gas receiver 5, inflating pump 8 and for the electricity for playing the pump offer energy
Machine 9 forms, and motor 9 is fixed on chassis crossrail 11.
Air inlet switch valve 3 and exhaust switch valve 2 connect automatic control device, and automatic control device includes being equipped with control logic
ECU6 and sensor 7, ECU6 by control logic to pressure limiting valve setup pressure value M1, to switch valve setup pressure value M2,
Middle M1 is greater than M2.Sensor 7 includes velocity sensor, acceleration transducer and angular displacement sensor.
When the operating conditions such as urgent lane change or turning occurs in vehicle, angular displacement sensor passes through acquisition travel condition of vehicle
Information, and the signal is passed into ECU6, ECU6 determines that the state needs air-supported shock absorber 1 with biggish according to control logic
Damping force, ECU6 send to air inlet switch valve 3 and instruct, and control air inlet switch valve 3 is opened, and inlet channel 401 is connected, makes gas receiver
5 are connected to working chamber, and inflating pump 8 increases the working chamber air pressure inside of air-supported shock absorber 1 to setting value to work interacvity air-filling
M1, due to the increase of atmospheric pressure value, the damping force of air-supported shock absorber 1 just realizes increase, to inhibit the inclination of vehicle or bow
Degree is faced upward, guarantees the stability of the comfort taken and manipulation.
When emergency braking or emergency brake occurs in vehicle, acceleration transducer sensor passes through acquisition travel condition of vehicle
Information, and the signal is passed into ECU6, ECU6 determines that the state needs air-supported shock absorber 1 with biggish according to control logic
Damping force, ECU6 send to air inlet switch valve 3 and instruct, and control air inlet switch valve 3 is opened, and inlet channel 401 is connected, makes gas receiver
5 are connected to working chamber, and inflating pump 8 increases the working chamber air pressure inside setup pressure value of air-supported shock absorber 1 to work interacvity air-filling
M1, due to the increase of atmospheric pressure value, the damping force of air-supported shock absorber 1 just realizes increase, to inhibit the inclination of vehicle or bow
Degree is faced upward, guarantees the stability of the comfort taken and manipulation.
When high-speed working condition occurs in vehicle, which is passed to ECU6 by acquisition vehicle speed information by velocity sensor,
ECU6 determines that the state needs air-supported shock absorber 1 to have biggish damping force according to control logic, and ECU6 is sent out to air inlet switch valve 3
Send instruction, control air inlet switch valve 3 is opened, and inlet channel 401 is connected, is connected to gas receiver 5 with working chamber, and inflating pump 8 is to work
Make chamber inflation, increases the working chamber air pressure inside of air-supported shock absorber 1 to setup pressure value M1, due to the increase of atmospheric pressure value, air
The damping force of damper 1 just realizes increase, to inhibit inclination or the pitch rate of vehicle, guarantee the comfort taken and
The stability of manipulation.
When the operating conditions such as the uneven road surfaces such as deceleration strip occurs in vehicle, road shock can be transmitted on vehicle body by chassis, speed
Sensor is spent by the information of acquisition travel condition of vehicle, and the signal is passed into ECU6, and ECU6 is according to the logic control shape
State needs air-supported shock absorber 1 to have lesser damping force, just issues and instructs to exhaust switch valve 2, and control exhaust switch valve 2 is beaten
It opens, conducting exhaust passage 402 discharges the work cavity pressure of air-supported shock absorber 1 to setup pressure value M2, to reduce air
Atmospheric pressure value inside damper 1, due to the reduction of atmospheric pressure value, the damping force of air-supported shock absorber 1 just realizes reduction, to reduce
Various excitations or impact from road surface, ensure that the comfort and stationarity of seating, while improving the service life of vehicle body.
The embodiment 2 of vehicle of the present invention, difference from example 1 is that, inlet channel and exhaust passage can also be with
It is to connect on working chamber respectively, thus switch valve and relief valve are separately positioned on inlet channel and exhaust passage.
The embodiment 3 of vehicle of the present invention, difference from example 1 is that, inlet duct is gas receiver or gas storage
Tank needs timing to inflate to gas receiver or air accumulator.
In other embodiments, air-supported shock absorber also could alternatively be the air-supported shock absorber of other forms, such as: on piston
It is provided with the air-supported shock absorber of an intake valve and a damping hole, intake valve is closed during piston is pulled up, and is guaranteed
Biggish enhanced stretch resistance, when piston compresses downwards, intake valve is closed, and is only relied on damping hole and is played damping action；For another example: piston
On be provided only with damping hole and the air-supported shock absorber of not set intake valve and exhaust valve.
The embodiment of the voltage-controlled variable damping vibration insulating system of the present invention, and it is voltage-controlled in any embodiment of aforementioned present invention vehicle
The structure of variable damping vibration insulating system is identical, is not repeated to illustrate.
The embodiment of the damping control method of damper of the present invention, the voltage-controlled variable damping vibration damping system with aforementioned present invention vehicle
The damping control method of the air-supported shock absorber of system is identical, is not repeated to illustrate.
Claims (10)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017107314361 | 2017-08-23 | ||
| CN201710731436 | 2017-08-23 |
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| CN109424690A true CN109424690A (en) | 2019-03-05 |
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| CN201710966576.7A Pending CN109424690A (en) | 2017-08-23 | 2017-10-17 | The damping control method of damper, voltage-controlled variable damping vibration insulating system and vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185870A (en) * | 2019-05-23 | 2019-08-30 | 安徽江淮汽车集团股份有限公司 | A kind of vibration absorber and vehicle pipeline vibration insulating system |
| WO2021031876A1 (en) * | 2019-08-22 | 2021-02-25 | 陈刚 | Damping control and performance assessment method for shock absorber, shock absorber optimized by means of method, and vehicle using shock absorber |
| CN114810899A (en) * | 2022-05-24 | 2022-07-29 | 深圳市家信信息科技开发有限公司 | Vehicle damping system capable of quantitatively controlling damping force |
| CN115823176A (en) * | 2022-11-21 | 2023-03-21 | 国网湖北省电力有限公司宜昌供电公司 | Vibration reduction method for the anti-vibration system of the AC/DC emergency power supply repair vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185870A (en) * | 2019-05-23 | 2019-08-30 | 安徽江淮汽车集团股份有限公司 | A kind of vibration absorber and vehicle pipeline vibration insulating system |
| CN110185870B (en) * | 2019-05-23 | 2020-11-03 | 安徽江淮汽车集团股份有限公司 | Vibration damper and vehicle pipeline vibration damping system |
| WO2021031876A1 (en) * | 2019-08-22 | 2021-02-25 | 陈刚 | Damping control and performance assessment method for shock absorber, shock absorber optimized by means of method, and vehicle using shock absorber |
| CN114810899A (en) * | 2022-05-24 | 2022-07-29 | 深圳市家信信息科技开发有限公司 | Vehicle damping system capable of quantitatively controlling damping force |
| CN115823176A (en) * | 2022-11-21 | 2023-03-21 | 国网湖北省电力有限公司宜昌供电公司 | Vibration reduction method for the anti-vibration system of the AC/DC emergency power supply repair vehicle |
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Country or region after: China Address after: No. 6 Yutong Road, Guancheng Hui District, Zhengzhou City, Henan Province Applicant after: Yutong Bus Co.,Ltd. Address before: Yutong Industrial Park, Shibalihe, Zhengzhou City, Henan Province Applicant before: ZHENGZHOU YUTONG BUS Co.,Ltd. Country or region before: China |
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Application publication date: 20190305 |