CN104210397B - Active seat for automobile - Google Patents
Active seat for automobile Download PDFInfo
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- CN104210397B CN104210397B CN201310744678.6A CN201310744678A CN104210397B CN 104210397 B CN104210397 B CN 104210397B CN 201310744678 A CN201310744678 A CN 201310744678A CN 104210397 B CN104210397 B CN 104210397B
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- air
- electromagnetic valve
- gas
- control unit
- medicated cushion
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Abstract
The invention relates to an active seat for an automobile. An inflatable/deflatable airbag is used for replacing a seat cushion on a general seat. Firstly, compressed air is stored in an energy accumulator by an air compressor; in the driving process of the automobile, the opening and closing of electromagnetic valves are controlled according to the change of vertical acceleration of the body of the automobile, so the seat can be continuously inflated and deflated, the damping of the seat cushion is changed, and the sitting comfortableness is improved; meanwhile, pressure of gas inside the airbag is uniformly distributed according to different sitting postures of passengers, so the requirements of different passengers are met.
Description
Technical field
The present invention relates to a kind of automobile active seat, for improving riding comfort of the automobile on different tracks.
Background technology
When running car is when road surface is jolted, occupant can be uncomfortable in the vibration of vertical direction for a long time because of automobile.Root
According to China《Human body bears whole body vibration evaluation --- Part I：It is general to require》The data display of announcement, human body is in Vertical Square
When vibration, most sensitive frequency range directly affects occupant in the frequency of vertical vibration for 4 ~ 12.5Hz, i.e. automobile
Riding comfort.
With the continuous development of modern society, the continuous progress of automotive engineering, the riding comfort of automobile have been obtained significantly
The improvement of degree.Wherein, tire, suspension, the riding comfort for developing into automobile of seating art bring and most intuitively experience.But
It should be noted that tire with need to take into account operability and stability while being suspended in and improve comfortableness.Reduce the gas of tire
Pressure, can reduce the vertical stiffness of tire, improve comfortableness, but can affect its service life；Suspension rate is reduced, its resistance is improved
Buddhist nun, can also improve riding comfort, but have impact on automobile operability and stability during braking, be the safety of automobile
Bring hidden danger.
Used as the part with direct body contact, in vehicle traveling process, its damping property will directly affect vapour to seat
The riding comfort of car, and can most reflect the impression of occupant；And the performance for changing seat does not interfere with that automobile is other to be made
Use performance.And the at present seat used by automobile, its damping is certain, can not occur to become with the change of road excitation
Change, therefore its damping property is limited, it is impossible to meet the requirement of different road surfaces and different occupants.
The content of the invention
The technical problem to be solved is：Using type inflatable medicated cushion air bag, according to vehicle traveling process vehicle body
The change of normal acceleration carries out inflation/deflation to air bag, to change the damping of medicated cushion in real time, improves the damping property of seat, improves
The riding comfort of automobile.
The present invention solves the technical scheme that adopted of the technical problem：The active seat is by medicated cushion air bag, pressure sensing
Device, acceleration transducer, electronic control unit, air compressor, air processor, electromagnetic valve A, electromagnetic valve B, electromagnetic valve C,
Accumulator, gas pressure sensor a, gas pressure sensor b, choke valve, check valve composition；
Electromagnetic clutch is housed inside the air compressor, its combination is controlled by an electronic control unit；Electromagnetic clutch
Outfan Jing air pipe lines be connected with air processor, air processor gas outlet pass through air delivering pipeline Jing electromagnetic valve A
It is connected with accumulator；Accumulator is connected by the air inlet of air delivering pipeline warp knuckle stream valve, check valve a, electromagnetic valve B and medicated cushion air bag
Connect；The gas outlet of medicated cushion air bag is connected with air processor air inlet by air delivering pipeline Jing electromagnetic valve C, check valve b, air
Compressed gas are entered air by processing meanss；
The acceleration transducer measures the size of vehicle body normal acceleration under seat in real time；
The initial pressure of the accumulator internal gas is Px, PxIt is worth by the gas pressure sensor a installed in outlet pipe
Determine；
The initial pressure of the medicated cushion inside air bag gas is Pz, PzIt is worth and is sensed by the gas pressure installed in outlet pipe
Device b is determined；
The input of the electronic control unit receive acceleration transducer, pressure transducer, gas pressure sensor a and
The signal of gas pressure sensor b；The outfan of electronic control unit respectively with air compressor, electromagnetic valve A, electromagnetic valve B and
Electromagnetic valve C is connected.
Under original state, pressure transducer measurement pressure P of the occupant to medicated cushiony, and and PzRelatively, it is comparative result is real-time
Pass to electronic control unit；Work as Py>PzWhen, electronic control unit control electromagnetic valve B conducting, accumulator to medicated cushion airbag aeration, when
Py=PzWhen, electronic control unit control electromagnetic valve B is closed, and accumulator stops to medicated cushion airbag aeration；Work as Py<PzWhen, electronics control
Unit control electromagnetic valve C conductings processed, medicated cushion air bag are deflated to air processor.
Gas pressure inside when the accumulator works is determined by gas pressure sensor a, and will be this measured value real-time
Electronic control unit is passed to, the value measured by which is less than 0.5 PxWhen, electronic control unit control electromagnetic valve A conductings, and together
When control air compressor work, into accumulator inflate.
The medicated cushion air bag has two air chambers, gas valve is housed between air chamber, makes occupant's pressure under different sitting postures equal
Even distribution.
This technology has the advantage that：（1）For the occupant of different weight, can adjust automatically medicated cushion inside air bag pressure,
And can be according to the different sitting postures of occupant, automatic pressure regulation distribution；（2）In vehicle traveling process, medicated cushion inside air bag air pressure can
Adjust, you can medicated cushion damping is changed in real time according to different road surface, with good damping property；（3）Improve seat suspension
The other performances of automobile are not affected while energy.
Description of the drawings
Fig. 1 is fundamental diagram of the present invention.
Fig. 2 is medicated cushion air bag schematic diagram.
Fig. 3 is workflow diagram of the present invention.
In figure：1- medicated cushion air bag 2- pressure transducer 3- acceleration transducer 4- electronic control unit 5- air compresses
Machine 6- air processor 7- electromagnetic valve A 8- accumulator 9- gas pressure sensor a 10- choke valve 11- check valves
12- electromagnetic valve B 13- gas pressure sensor b 14- electromagnetic valve C 15- check valves.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Electromagnetic clutch is housed inside air compressor 5, its combination is controlled by electronic control unit 4；Outfan and air
Processing meanss 6 connect, and 6 Jing electromagnetic valves A7 of air processor is connected with accumulator 8；8 warp knuckle stream valve 10, check valve of accumulator
11st, electromagnetic valve B12 is connected with the air inlet of medicated cushion air bag 1；The gas outlet Jing electromagnetic valve C14 of medicated cushion air bag 1, check valve 15 with it is empty
Flash Gas Compression Skid System 6 connects, and compressed gas are entered air；
Acceleration transducer 3 is arranged on seat lower surface, to measure the size of vehicle body normal acceleration in real time；
The initial pressure of 8 internal gas of accumulator is Px, its value is by the gas pressure sensor a9 installed in outlet pipe
Determine；
The initial pressure of 1 internal gas of medicated cushion air bag is Pz, its value is by the gas pressure sensor installed in outlet pipe
B13 is determined；
The input of electronic control unit 4 receive acceleration transducer 3, pressure transducer 2, gas pressure sensor a9 with
And the input signal of gas pressure sensor b13；Outfan respectively with air compressor 5, electromagnetic valve A7, electromagnetic valve B12 and
Electromagnetic valve C14 is connected；
Under original state, measurement pressure P of the occupant to medicated cushion of pressure transducer 2y, and and PzRelatively, and by comparative result reality
When pass to electronic control unit 4；Work as Py>PzWhen, the control electromagnetic valve B12 conductings of electronic control unit 4, accumulator 8 is to medicated cushion air bag
1 inflation, and work as Py=PzWhen, the control electromagnetic valve B12 of electronic control unit 4 is closed, and accumulator 8 stops to medicated cushion air bag 1 inflating；Instead
It, controls electromagnetic valve C14 in an identical manner；
Gas pressure inside when accumulator 8 works is determined by gas pressure sensor a9, and this measured value is passed in real time
Electron control unit 4, the value measured by which are less than 0.5 PxWhen, the control electromagnetic valve A7 conductings of electronic control unit 4, and together
When control air compressor 5 work, into accumulator 8 inflate, with ensure have enough pressure to inflate into medicated cushion air bag 1；；
Medicated cushion air bag 1 has two air chambers, gas valve is housed, to ensure occupant's pressure energy under different sitting postures between air chamber
It is enough to be reasonably distributed.
Below in conjunction with the accompanying drawings specific implementation process of the present invention is described further.
Under original state, medicated cushion inside air bag pressure is set as Pz, all closed electromagnetic valves.When occupant takes medicated cushion,
It is P that pressure transducer measures human body to the pressure of medicated cushiony, quality m=P that human body puts on medicated cushion can be obtained according to this valuey/g.Together
When, electronic control unit receives Pz、PyInput value, and both are compared, work as Py>PzWhen, the B conductings of control electromagnetic valve, by
Accumulator is to medicated cushion airbag aeration, and works as Py=PzWhen, control electromagnetic valve B is closed, and accumulator stops to medicated cushion airbag aeration；Instead
It, controls electromagnetic valve C in an identical manner；
The initial pressure of accumulator internal gas is Px, in accumulator work process, gas pressure sensor is surveyed in real time
Gas pressure inside amount accumulator, and measured value is passed to into electronic control unit, when this value is less than 0.5PxWhen, electronics
Electromagnetic clutch inside control unit control air compressor is combined, and air compressor work is inflated to accumulator, to ensure
Accumulator has enough pressure to inflate into medicated cushion air bag；
When running car is on straight road surface, the normal acceleration of vehicle body is normally at（-0.2~0.2）m/sBetween 2, now
Impact very little to human body, the i.e. riding comfort of automobile are unaffected；And when running car is when road surface is jolted, vehicle body hang down
Straight acceleration is generally less than -0.5 m/s2Or it is more than 0.5m/s2, now human body will be a greater impact, the riding comfort of automobile
It is decreased obviously, the present invention is i.e. with this acceleration（±0.5m/s2）The operation time of medicated cushion air bag is judged as system thresholds.
In vehicle traveling process, acceleration transducer measures normal acceleration a of vehicle body in real time.Surveyed according to pressure transducer
Pressure P of the human body for obtaining to medicated cushiony, show that human body puts on quality m of medicated cushion, and then can be according to the size of acceleration and direction
The gas pressure of real-time control medicated cushion inside air bag, i.e., reach the discharge gas to medicated cushion air bag by controlling electromagnetic valve, specifically
Process is as follows：
Work as a<0.5m/s2When, system keeps original state；
With acceleration downwards as just, then work as a>0.5m/s2When, human body is relatively distant from seat, and seat pressure reduces, pressure
Value measured by force transducer reduces, and now electronic control unit control electromagnetic valve B conductings, inflate into medicated cushion air bag, maintain
The internal pressure of its original, and then make medicated cushion keep completely attaching to people all the time；As a=0, electromagnetic valve B is closed；Work as a<-0.5
m/s2When, i.e., seat is moved upwards relative to human body, and human body is upwarded pressure, now, electronic control unit control electromagnetism
Valve C is turned on, and the gas of inside air bag can be entered air by the pressure of itself by human body, so as to reduce automobile because of vibration to people
The impact that body is produced, in a=0, electromagnetic valve C is closed.
Constantly said process just can complete the vibration damping of seat repeatedly, improve the riding comfort of occupant, meanwhile, medicated cushion air bag
Two internal air chambers can be uniformly distributed air pressure inside, to improve comfortableness during occupant's difference sitting posture.
Finally it should be noted that this air bag also may be used on, on the backrest of seat and headrest, improving riding comfort
While safety when can also improve collision scenario, reduce the injury to occupant.
Claims (2)
1. a kind of automobile active seat, it is characterised in that：Including medicated cushion air bag（1）, pressure transducer（2）, acceleration transducer
（3）, electronic control unit（4）, air compressor（5）, air processor（6）, electromagnetic valve A（7）, electromagnetic valve B（12）, electromagnetism
Valve C（14）, accumulator（8）, gas pressure sensor a（9）, gas pressure sensor b（13）, choke valve（10）, check valve a
（11）With check valve b（15）；
The air compressor（5）It is internal that electromagnetic clutch is housed, by electronic control unit（4）Control its combination；Electromagnetic clutch
The outfan Jing air pipe lines of device and air processor（6）Connection, air processor（6）Gas outlet passes through air delivering pipeline Jing
Electromagnetic valve A（7）With accumulator（8）Connection；Accumulator（8）By air delivering pipeline warp knuckle stream valve（10）, check valve a（11）, electromagnetism
Valve B（12）With medicated cushion air bag（1）Air inlet connection；Medicated cushion air bag（1）Gas outlet pass through air delivering pipeline Jing electromagnetic valve C
（14）, check valve b（15）With air processor（6）Air inlet connects, air processor（6）Compressed gas are entered greatly
Gas；
The acceleration transducer（3）Under seat, the size of vehicle body normal acceleration is measured in real time；The medicated cushion air bag
（1）There are two air chambers, gas valve is housed between air chamber, is uniformly distributed occupant's pressure under different sitting postures；
The accumulator（8）The initial pressure of internal gas is Px, PxIt is worth by the gas pressure sensor a installed in outlet pipe
（9）Determine；
The medicated cushion air bag（1）The initial pressure of internal gas is Pz, PzIt is worth by the gas pressure sensor installed in outlet pipe
b（13）Determine；
The electronic control unit（4）Input receive acceleration transducer（3）, pressure transducer（2）, gas pressure sensing
Device a（9）With gas pressure sensor b（13）Signal；Electronic control unit（4）Outfan respectively with air compressor（5）、
Electromagnetic valve A（7）, electromagnetic valve B（12）With electromagnetic valve C（14）It is connected；
Under original state, pressure transducer（2）Measurement pressure P of the occupant to medicated cushiony, and and PzRelatively, comparative result is passed in real time
Electron control unit（4）；Work as Py>PzWhen, electronic control unit（4）Control electromagnetic valve B（12）Conducting, accumulator（8）To medicated cushion
Air bag（1）Inflation, works as Py=PzWhen, electronic control unit（4）Control electromagnetic valve B（12）Close, accumulator（8）Stop to medicated cushion gas
Capsule（1）Inflation；Work as Py<PzWhen, electronic control unit（4）Control electromagnetic valve C（14）Conducting, medicated cushion air bag（1）Fill to air-treatment
Put（6）Deflate.
2. a kind of automobile active seat according to claim 1, it is characterised in that：The accumulator（8）Inside during work
Gas pressure by gas pressure sensor a（9）Determine, and this measured value is passed to into electronic control unit in real time（4）, its institute
The value for measuring is less than 0.5 PxWhen, electronic control unit（4）Control electromagnetic valve A（7）Conducting, and while control air compressor
（5）Work, to accumulator（8）Interior inflation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310744678.6A CN104210397B (en) | 2013-12-31 | 2013-12-31 | Active seat for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310744678.6A CN104210397B (en) | 2013-12-31 | 2013-12-31 | Active seat for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104210397A CN104210397A (en) | 2014-12-17 |
| CN104210397B true CN104210397B (en) | 2017-05-03 |
Family
ID=52092450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310744678.6A Active CN104210397B (en) | 2013-12-31 | 2013-12-31 | Active seat for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104210397B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106913122A (en) * | 2015-12-25 | 2017-07-04 | 北京奇虎科技有限公司 | The adaptive regulation method of Intelligent seat and seat rigidity |
| JP6759753B2 (en) * | 2016-06-23 | 2020-09-23 | アイシン精機株式会社 | Vehicle seat device and intake / exhaust valve device |
| CN109515268B (en) * | 2018-11-23 | 2020-11-13 | 珠海格力电器股份有限公司 | Self-adaptive bag type seat vibration reduction system and method |
| CN112124162A (en) * | 2020-09-23 | 2020-12-25 | 江苏徐工工程机械研究院有限公司 | Cab active vibration reduction method and system and engineering vehicle |
| CN113352968B (en) * | 2021-07-15 | 2022-12-02 | 太原理工大学 | Active seat vibration reduction system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4976104A (en) * | 1988-12-22 | 1990-12-11 | Gt Development Corporation | Combined switch and valve for compressor powered inflatable |
| CN200945833Y (en) * | 2006-09-22 | 2007-09-12 | 中国重型汽车集团有限公司 | Aerostats armchair seat |
| DE102009035617A1 (en) * | 2008-11-13 | 2010-05-20 | Hyundai Motor Company | Intelligent seat support system for motor vehicles |
| CN201941631U (en) * | 2011-01-23 | 2011-08-24 | 山西蓝海鑫科技有限公司 | Shock absorbing device for excavator seat |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100787676B1 (en) * | 2005-12-13 | 2007-12-21 | 현대자동차주식회사 | Control method and apparatus for providing seat support |
| EP2379368A4 (en) * | 2009-01-06 | 2014-09-24 | Magna Seating Inc | Inflatable thin seat |
-
2013
- 2013-12-31 CN CN201310744678.6A patent/CN104210397B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4976104A (en) * | 1988-12-22 | 1990-12-11 | Gt Development Corporation | Combined switch and valve for compressor powered inflatable |
| CN200945833Y (en) * | 2006-09-22 | 2007-09-12 | 中国重型汽车集团有限公司 | Aerostats armchair seat |
| DE102009035617A1 (en) * | 2008-11-13 | 2010-05-20 | Hyundai Motor Company | Intelligent seat support system for motor vehicles |
| CN201941631U (en) * | 2011-01-23 | 2011-08-24 | 山西蓝海鑫科技有限公司 | Shock absorbing device for excavator seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104210397A (en) | 2014-12-17 |
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