CN206938681U - A kind of motor vehicle seat back comfort level control system - Google Patents
A kind of motor vehicle seat back comfort level control system Download PDFInfo
- Publication number
- CN206938681U CN206938681U CN201720477761.5U CN201720477761U CN206938681U CN 206938681 U CN206938681 U CN 206938681U CN 201720477761 U CN201720477761 U CN 201720477761U CN 206938681 U CN206938681 U CN 206938681U
- Authority
- CN
- China
- Prior art keywords
- module
- control unit
- air
- seat
- seat back
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008859 change Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000011156 evaluation Methods 0.000 claims abstract description 10
- 238000013480 data collection Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000013210 evaluation model Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 206010039203 Road traffic accident Diseases 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 210000004705 lumbosacral region Anatomy 0.000 description 3
- 208000002193 Pain Diseases 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 208000008035 Back Pain Diseases 0.000 description 1
- 208000008930 Low Back Pain Diseases 0.000 description 1
- 206010028836 Neck pain Diseases 0.000 description 1
- 208000028571 Occupational disease Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Seats For Vehicles (AREA)
Abstract
The utility model belongs to automobile equipment technical field, there is provided a kind of motor vehicle seat back comfort level control system, including data collection module, nucleus module and back rest supports adjustment module；The nucleus module includes database module and Comfort Evaluation module.Compared with prior art, the beneficial effects of the utility model are：By the motor vehicle seat back Comfort Evaluation model based on analytic hierarchy process (AHP) can more accurate objective appraisal backrest comfort.By analyzing comfort level score and the different people pressure distribution situation on backrest, selection targetedly control program, and change the degree of support of backrest using air bag to improve seat comfort.
Description
Technical field
The utility model belongs to automobile equipment technical field, is related to a kind of motor vehicle seat back comfort level control system.
Background technology
With the growth of auto output and car ownership, at the same bring be traffic accident quantity rising.Traffic thing
Therefore turn into one of serious social concern, it has been acknowledged as endangering the first big public hazards of human security, every year about
1250000 people die from road traffic accident.Statistics of traffic accidents data analysis to European and American countries shows, 80% in traffic accident~
90% is as caused by human factor, wherein 49% liability accident comes from driving fatigue.The seat of comfort difference can hold
It is also easy to produce driving fatigue, the probability that increase traffic accident occurs.
Long-time ride-on vehicles not only will result only in fatigue, also the health of people can be impacted, ride quality
The seat of difference can make occupant Low Back Pain occur, have a pain in the leg, the symptom such as cervical pain, endanger health.It is static comfortable to study seat
The evaluation method of degree alleviates driving fatigue, slows down the occupational diseases such as driver's pain in the back to body for the static comfortableness of improvement seat
The influence of body health is of great importance.
For in the domestic and international research of Evaluations for Ride Comfort of Vehicle Seats, relating to the research of seat comfort degree evaluation method, also having
How the research of seat comfort degree method to be improved, but the research of existing these two aspects is mainly for the seat design stage, mainly
It is to design the seat of relative comfort, but the otherness between human body is very big, and everyone driving habit also has
Very big difference, it is difficult to design the seat for meeting the requirement of most people comfort level.
Therefore, it is necessary to improved technical scheme is provided, to overcome prior art technical problem present in.
The content of the invention
The purpose of this utility model is, there is provided a kind of motor vehicle seat back comfort level control system, can be according to seat
The pressure distribution at each position, change seat shape parameter, to improve seat comfort degree.
In order to achieve the above object, the utility model provides a kind of motor vehicle seat back comfort level control system, including
Data collection module, nucleus module and back rest supports adjustment module；The nucleus module includes database module and relaxed
Appropriate evaluation module.
Data collection module is used to collect seat status information, and back rest supports adjustment module is adjusted for more seat states
Section, nucleus module are used for comprehensive positive and feedback data, calculating and the work of control back rest supports adjustment module.
Preferably, the data collection module is a pressure sensor module, and the back rest supports adjustment module includes seat
Local shape changes component, changes component control unit and central control unit；The pressure sensor module includes several
Pressure sensor, each pressure sensor are fixed on each commitment positions of the seat towards driver's one side；The core mould
Block is connected with the central control unit, and the central control unit is also respectively with each pressure sensor and described changing
Become component control unit to be connected, the change component control unit changes component with the seat local shape and is connected.Pressure
Source of the force snesor as data, for gathering each areal pressure value of seat, data acquisition action.It is single by center control
Member sends instruction, and order changes the working condition of component control unit, to determine that seat local shape changes whether component enables.
It is further preferred that the quantity of the pressure sensor is 8, the shoulder in seat towards driver's one side respectively
Shoulder blade leftward position, shoulder blade right positions, back middle part leftward position, back middle part right positions, lumbar vertebrae leftward position, waist
Vertebra right positions, head position and bottom position respectively set a pressure sensor.
Still further preferably, it is a backrest based on air bag adjusting method that the seat local shape, which changes component,
Supporting and regulating device, the seat back support adjusting means based on air bag adjusting method include air accumulator, some air bags with
And air controller, the air accumulator are connect by the air regulator and the airbags, the change component control
Unit processed is connected with the air regulator.Using air bag as regulative mode, moved by the use of gas inflation as regulation deformation
Power.Tolerance wherein is deposited in air regulator regulation air bag, and the offer of gas is completed by air accumulator.Again still further preferably,
The air accumulator is connect by the integrated control valve and the airbags, it is described change component control unit with it is described
Integrated control valve is connected.Equally again it is further preferred that the air accumulator passes through an air shut-off valve and an air bag
It is connected, and air shut-off valve is equal with air bag quantity and corresponds, air shut-off valve is included in independent control valve group；Institute
Change component control unit is stated with each air shut-off valve to be connected.
Preferably, motor vehicle seat back comfort level control system also includes an alarm set, the alarm set and institute
Central control unit is stated to be connected.In the case where driver does not contact fully with backrest, alarm set is driven for prompting
Sail personnel and adjust normal sitting position, to ensure that back fully contacts with backrest.
Compared with prior art, the beneficial effects of the utility model are：
Can more accurate objective appraisal by the motor vehicle seat back Comfort Evaluation model based on analytic hierarchy process (AHP)
The comfort of backrest.By analyzing comfort level score and the different people pressure distribution situation on backrest, selection
Targetedly control program, and change the degree of support of backrest using air bag to improve seat comfort.
Brief description of the drawings
Fig. 1 is backrest subregion schematic diagram of the present utility model.
Fig. 2 is the structure of the hierarchical chart of the motor vehicle seat back comfort evaluation model based on analytic hierarchy process (AHP)
Schematic diagram.
Fig. 3 is motor vehicle seat back comfort level control system architecture schematic diagram.
Fig. 4 is motor vehicle seat back comfort level control method flow chart.
Fig. 5 is backrest air bag distribution map.
Fig. 6 is a kind of alternative of weight.
Wherein：
1st, pressure sensor module；2nd, pressure sensor；3rd, central control unit；4th, nucleus module；5th, Comfort Evaluation mould
Block；6th, database module；7th, component control unit is changed；8th, seat local shape changes component；9th, air bag；10th, controller；
11st, air accumulator；12nd, alarm set；13rd, shoulder blade leftward position；14th, shoulder blade right positions；15th, left lateral position in the middle part of back
Put；16th, right positions in the middle part of back；17th, lumbar vertebrae leftward position；18th, lumbar vertebrae right positions；19th, head position；20th, bottom position
Put.
Embodiment
In order to be better understood from the utility model, following several specific embodiments are enumerated for analyzing and managing
Solution, however, it should be understood that the utility model is not limited thereto, a series of deformations made according to the embodiment of offer are replaced with equivalent
Change it will be also be appreciated that being included in spirit of the present utility model.
Embodiment 1
Reference picture 1, Fig. 3 and Fig. 5, present embodiments provide a kind of motor vehicle seat back comfort level control system, including number
According to collection module, nucleus module 4 and back rest supports adjustment module；Nucleus module 4 includes database module 6 and comfort level
Evaluation module 5.Data collection module is a pressure sensor module 1, and back rest supports adjustment module changes including seat local shape
Component 8, change component control unit 7 and central control unit 3；Pressure sensor module 1 includes several pressure sensors 2,
Each pressure sensor 2 is fixed on each commitment positions of the seat towards driver's one side；Nucleus module 4 and central control unit 3
It is connected, central control unit 3 is also connected with each pressure sensor 2 and change component control unit 7 respectively, change group
Part control unit 7 changes component 8 with seat local shape and is connected.The quantity of pressure sensor 2 is 8, respectively in seat court
Leftward position 15, back middle part in the middle part of to the shoulder blade leftward position 13, shoulder blade right positions 14, back of driver's one side
Right positions 16, lumbar vertebrae leftward position 17, lumbar vertebrae right positions 18, head position 19 and bottom position 20 respectively set one
Pressure sensor 2.It is a seat back support adjusting means based on the adjusting method of air bag 9 that seat local shape, which changes component 8,
Seat back support adjusting means based on the adjusting method of air bag 9 includes air accumulator 11, some air bags 9 and controller 10, storage
Gas tank 11 is connected by controller 10 with an air bag 9, is changed component control unit 7 and is connected with controller 10.Air
Adjuster is an integrated control valve, and air accumulator 11 is connected by integrated control valve with an air bag 9, changes component control
Unit 7 is connected with integrated control valve.Alarm set 12 is connected with central control unit 3.
Reference picture 2 and Fig. 6, the control method of above-mentioned motor vehicle seat back comfort level control system is, first in the first step
First, establish top, top is seat comfort degree；Afterwards, intermediate layer is established, is influence of the different zones to seat comfort degree
Degree；Finally, solution layer is established, seating pressure distribution and desired pressure distribution are made the difference, difference is formed into data acquisition system, with this
Difference degree of the quadratic sum of the average value of data acquisition system, variance and difference as description pressure distribution；By backrest point
Leftward position 15, back middle part right positions 16, waist in the middle part of into shoulder blade leftward position 13, shoulder blade right positions 14, back
Vertebra leftward position 17, lumbar vertebrae right positions 18, head position 19 and other regions, totally 8 regions；
In second step, the pressure data of each node in each region of backrest is collected by pressure sensor 2, will be each
The average value summation in region represents the gross pressure of whole seat back regions, and each areal pressure accounts under being distributed afterwards with desired pressure
Each region desired pressure value is drawn than being multiplied, the pressure mean values in each region and desired pressure value are made the difference to form data acquisition system；
Wherein, shoulder blade leftward position 13, shoulder blade right positions 14, leftward position 15 in the middle part of back, right positions 16 in the middle part of back,
Lumbar vertebrae leftward position 17, lumbar vertebrae right positions 18, head position 19 and the accounting in other regions are respectively 10%, 10%,
15%th, 15%, 20%, 20%, 2% and 8%；
In 3rd step, weight is determined according to the relative importance of each index, with significance level division rule, drawn
Each index, then according to scale value Judgement Matricies, calculates the consistent of judgment matrix relative to the scale value of another index
Sex ratio CR, if CR<0.1, being considered as the uniformity of matrix can receive, and the weight coefficient of each index is calculated afterwards；
Wherein significance level division rule is as follows：
Scale 1, which represents, represents that two elements are compared, and has no less important；Scale 3 represents that two elements are compared, a member
Element is somewhat more important than another element；Scale 5 represents that two elements are compared, and element ratio another element is substantially important；Mark
Two elements of expression of degree 7 are compared, and element ratio another element is strongly important；Scale 9 represents that two elements are compared, a member
Element is more extremely important than another element；Scale 2,4,6,8 represents that two elements are compared respectively, between above-mentioned adjacent rank；
In 4th step, it is poor that seating pressure is distributed by the average value of data acquisition system, variance, squared difference and with three parameters
Different percentage contribution is combined, and obtains motor vehicle seat back Comfort Evaluation model.Motor vehicle seat back Comfort Evaluation model
Calculation formula：
Wherein ai, bi, ci represent average value, variance, squared difference and three parameters of i area data set with small respectively
Number demarcation standard law carries out the numerical value after data normalization processing, and dia, dib, dic represent average value, side in i regions respectively
Difference, the weight coefficient of squared difference sum；
Wherein in step 1, data are collected by the pressure sensor 2 for being distributed in each region of seat, when detecting that backrest is same
One region antimere pressure difference value for the moment, triggers alarm set 12 beyond threshold value, reminds occupant " please be adjusted to normally sit
Appearance, and ensure that back fully contacts with backrest "；
In step 2, the pressure sensor 2 by being distributed in each region of seat gathers the pressure data of each node, and by number
According to transmitting to database module 6；
In step 3, the average value summation of regional node is represented into whole backrest area in database module 6
The gross pressure in domain, it is multiplied with each region accounting of desired pressure distribution draws each region desired pressure value afterwards, by the pressure in each region
Power average value is made the difference with each region desired pressure value, and difference is formed into database, with the average value of this data acquisition system, variance and
Difference degree of the quadratic sum of difference as description pressure distribution.
In step 4, database data is substituted into comfort level calculation formula：
Comfort level is scored, scoring is lower, and representative is closer with desired pressure distribution situation, and seating pressure distribution is got over
Rationally, when scoring is not above threshold value two, then it is assumed that seating pressure, which is reasonably distributed, need not trigger seat back support regulation system
System, seat back support regulating system is then triggered when being scored above threshold value two.
Reference picture 4, determine whether occupant is sat on seat first in S10, here when passenger fastens safety belt then
Think that occupant has been sat on seat.
In S11, start to pre-process pressure data after occupant fastens seat belts, when detecting that backrest is same
Region antimere pressure difference value exceeds threshold value for the moment,
In S12, alarm set 12 is triggered, reminds occupant " normal sitting position please be adjusted to, and ensure that back leans on seat
The back of the body fully contact, please by ACK button after adjustment ", if occupant does not press ACK button, system default in S12
This function is not needed for occupant, this function is closed, after vehicle launch safety belt next time reinserts again
Activation system；ACK button has been pressed if taken, has returned to S11, when backrest the same area antimere pressure difference value is less than
Threshold value one, then into S13.
In S13, the pressure sensor 2 by being distributed in each region gathers the pressure data of each node in each region, and will
Data transfer is handled data into database module 6 in database module 6, forms database, so that S14 is used.
In S14, motor vehicle seat back comfort model is evaluated using based on analytic hierarchy process (AHP), to seat comfort degree
Scored, scoring is lower, represents closer to desired pressure distribution situation, and seat comfort degree is higher, and scoring is less than threshold value two, then
Think that seat comfort degree is higher without entering S15, if scoring is higher than threshold value two, then it is assumed that seat comfort is bad, it is necessary to adjust
The degree of support of bed rearrangement chair.
In S15, by a set of seat back support quantity regulating device adjusted based on air bag 9, change Seat support journey
Degree, when detecting that backrest lumbar regions pressure value is less than desired pressure value, controller 10 is automatically opened up to lumbar regions
Air is poured in air bag 9, when lumbar regions pressure value reaches near desired pressure value, controller 10 is closed automatically to be stopped to gas
Capsule 9 pours air；When headrest area pressure is less than desired pressure, controller 10 automatically opens up to be rushed into head zone air bag 9
Enter air, when reaching desired pressure value, controller 10 is closed automatically to be stopped pouring air into head zone air bag 9.
In S16, after the completion of S15, controller 10 automatically opens up to the air bag 9 of backrest both sides and pours air, when
When backrest two side areas pressure sensor 2 has detected pressure, controller 10 is automatically stopped the air bag 9 to backrest both sides
Air is poured, so as to improve the encapsulation of seat, can also increase the comfort level of seat.Tied if taking and the system being adjusted
Fruit is unsatisfied with, then can select to close this system.
In S17, after vehicle continuously drives certain time, alarm set 12 can inquire to take " to relax to front seat
Whether adaptive is satisfied with, if satisfied, please by confirmation " if occupant is unsatisfied with to comfort level, can be in front seat holding state
Under, enter the seat back support regulating system based on analytic hierarchy process (AHP) evaluation motor vehicle seat back comfort from S13；Such as
Fruit is taken to be satisfied with to the comfortable implementations of front seat, then maintains front seat back rest supports state.
It is numerous due to influenceing automotive seat dynamic comfort factor, the complexity of whole system can be increased, therefore this is
The static comfortableness united just for automotive seat, and occupant changes less in vehicle travel phase sitting posture, therefore it is static comfortable
Property lifting of the lifting to Evaluations for Ride Comfort of Vehicle Seats, alleviating driving fatigue can have very great help.
Embodiment 2
Another motor vehicle seat back comfort level control system is present embodiments provided, its structure in embodiment 1 with providing
It is roughly the same, difference is that air regulator is an independent control valve group, and independent control valve group includes counting with air bag 9
Equal and one-to-one air shut-off valve is measured, air accumulator 11 is connected by an air shut-off valve with an air bag 9, is changed
Component control unit 7 is connected with each air shut-off valve.
Claims (4)
- A kind of 1. motor vehicle seat back comfort level control system, it is characterised in that：Including data collection module, nucleus module (4) And back rest supports adjustment module；The nucleus module (4) includes database module (6) and Comfort Evaluation module (5)；The data collection module is a pressure sensor module (1), and the back rest supports adjustment module includes seat local shape Change component (8), change component control unit (7) and central control unit (3)；The pressure sensor module (1) includes several pressure sensors (2), and each pressure sensor (2) is fixed on seat Towards each commitment positions of driver's one side；The nucleus module (4) is connected with the central control unit (3), the central control unit (3) also respectively with institute State each pressure sensor (2) and it is described change component control unit (7) be connected, it is described change component control unit (7) with The seat local shape changes component (8) and is connected；The quantity of the pressure sensor (2) is 8, respectively the shoulder blade leftward position in seat towards driver's one side (13), shoulder blade right positions (14), back middle part leftward position (15), back middle part right positions (16), lumbar vertebrae left lateral position Put (17), lumbar vertebrae right positions (18), head position (19) and bottom position (20) and a pressure sensor is respectively set (2)；It is a seat back support adjusting means for being based on air bag (9) adjusting method that the seat local shape, which changes component (8), The seat back support adjusting means based on air bag (9) adjusting method includes air accumulator (11), some air bags (9) and control Device (10) processed, the air accumulator (11) are connected by the controller (10) with an air bag (9), the change component Control unit (7) is connected with the controller (10).
- 2. motor vehicle seat back comfort level control system according to claim 1, it is characterised in that：The air accumulator (11) It is connected by integrated control valve with an air bag (9), the change component control unit (7) and the integrated form control Valve processed is connected.
- 3. motor vehicle seat back comfort level control system according to claim 1, it is characterised in that：The air accumulator (11) It is connected by an air shut-off valve with an air bag (9), and air shut-off valve is equal with air bag (9) quantity and corresponds, Air shut-off valve is included in independent control valve group；The change component control unit (7) and each air shut-off valve are equal It is connected.
- 4. motor vehicle seat back comfort level control system according to claim 1, it is characterised in that also include a prompting Device (12), the alarm set (12) are connected with the central control unit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477761.5U CN206938681U (en) | 2017-05-03 | 2017-05-03 | A kind of motor vehicle seat back comfort level control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477761.5U CN206938681U (en) | 2017-05-03 | 2017-05-03 | A kind of motor vehicle seat back comfort level control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206938681U true CN206938681U (en) | 2018-01-30 |
Family
ID=61359984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720477761.5U Expired - Fee Related CN206938681U (en) | 2017-05-03 | 2017-05-03 | A kind of motor vehicle seat back comfort level control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206938681U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501785A (en) * | 2018-02-26 | 2018-09-07 | 合肥工业大学 | A kind of system adjusted for car seat headrest |
| CN109512185A (en) * | 2018-12-17 | 2019-03-26 | 李家菊 | A kind of adjustment method of sitting posture |
| CN109580048A (en) * | 2019-02-18 | 2019-04-05 | 珠海奥美健康科技有限公司 | A kind of evaluation method, device and the mattress of the distribution of mattress pressure |
| CN111251951A (en) * | 2020-02-13 | 2020-06-09 | 延锋汽车饰件系统有限公司 | Pre-crash reset method, system, device and storage medium for vehicle seat |
| CN112926160A (en) * | 2021-03-18 | 2021-06-08 | 福州联泓交通器材有限公司 | Backrest shape design system and method for simulating stress of dynamic seat of automobile |
-
2017
- 2017-05-03 CN CN201720477761.5U patent/CN206938681U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501785A (en) * | 2018-02-26 | 2018-09-07 | 合肥工业大学 | A kind of system adjusted for car seat headrest |
| CN109512185A (en) * | 2018-12-17 | 2019-03-26 | 李家菊 | A kind of adjustment method of sitting posture |
| CN109512185B (en) * | 2018-12-17 | 2021-09-21 | 山东协和学院 | Intelligent sitting posture adjusting method |
| CN109580048A (en) * | 2019-02-18 | 2019-04-05 | 珠海奥美健康科技有限公司 | A kind of evaluation method, device and the mattress of the distribution of mattress pressure |
| CN111251951A (en) * | 2020-02-13 | 2020-06-09 | 延锋汽车饰件系统有限公司 | Pre-crash reset method, system, device and storage medium for vehicle seat |
| CN111251951B (en) * | 2020-02-13 | 2022-07-08 | 延锋汽车饰件系统有限公司 | Pre-crash reset method, system, device and storage medium for vehicle seat |
| CN112926160A (en) * | 2021-03-18 | 2021-06-08 | 福州联泓交通器材有限公司 | Backrest shape design system and method for simulating stress of dynamic seat of automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206938681U (en) | A kind of motor vehicle seat back comfort level control system | |
| CN106956656A (en) | A kind of motor vehicle seat back comfort level control system and control method | |
| CN107662524B (en) | Adjustable seat assembly | |
| DE102015210496A1 (en) | Adjustable seating arrangement | |
| DE102016206626A1 (en) | Adjustable seating arrangement | |
| CN106143370A (en) | Seat intelligent regulating device and method | |
| CN108244865A (en) | Adjustable seat component | |
| DE102016224218A1 (en) | Seat arrangements with adjustable side cushion actuators | |
| CN106166964A (en) | Adjustable chair assembly | |
| CN107521380A (en) | Adjustable seat component and vehicles component | |
| DE102016103017B4 (en) | Vehicle seat | |
| DE102009016051A1 (en) | Method for producing a carrying tray for a seat | |
| CN202764737U (en) | Automobile seat regulation auxiliary device | |
| DE102015210545A1 (en) | Adjustable seating arrangement | |
| WO2019208764A1 (en) | Ecu device, vehicle seat, system for estimating lower limb length of seated person, and attachment structure for sitting height detection sensor | |
| CN107187353A (en) | A kind of carsickness-proof seat | |
| CN204055434U (en) | Children and children's stature take safely function seat | |
| Noro et al. | A theory on pressure distribution and seat discomfort | |
| DE102012019721A1 (en) | Neck support for persons in seats of car, during traveling, has pad centrally integrated into metal frame and direct posterior, and armchair in lateral contact with neck of seated person | |
| CN203046983U (en) | Adjustable vehicle seat framework with neck magnet therapy function | |
| JP2019194063A (en) | Seating height detection sensor attachment structure | |
| Lai et al. | Product design evaluation model of child car seat using gray relational analysis | |
| CN103568882B (en) | A kind of automotive seat and its automatic adjusting method | |
| Adler | The relation between long-term seating comfort and driver movement | |
| CN214240510U (en) | Automobile seat with film pressure sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 |