CN113752923A - System and method for automatically adjusting comfort of automobile seat - Google Patents
System and method for automatically adjusting comfort of automobile seat Download PDFInfo
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- CN113752923A CN113752923A CN202110981663.6A CN202110981663A CN113752923A CN 113752923 A CN113752923 A CN 113752923A CN 202110981663 A CN202110981663 A CN 202110981663A CN 113752923 A CN113752923 A CN 113752923A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000005484 gravity Effects 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 9
- 108010066057 cabin-1 Proteins 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 108010066114 cabin-2 Proteins 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
- B60N2/0268—Non-manual adjustments, e.g. with electrical operation with logic circuits using sensors or detectors for adapting the seat or seat part, e.g. to the position of an occupant
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention provides a system and a method for automatically adjusting the comfort of an automobile seat. According to the invention, when the intention of the user of the rear-row seat for adjusting the position of the seat is detected, the position of the secondary driving seat is properly adjusted, so that the space of the user of the rear-row seat is increased, and the comfort of the user using the rear-row seat is improved.
Description
Technical Field
The invention relates to the technical field of automobile seats, in particular to a system and a method for automatically adjusting comfort of an automobile seat.
Background
The comfort of the rear seats of the automobile is always an important consideration when customers select the automobile, and particularly, in some commercial automobiles, users pay special attention to the comfort of the rear seats. With reference to the upper back adjustment device for a vehicle seat of chinese patent publication No. CN110316034A, a back rest and a vehicle seat comprising the upper back adjustment device, the vehicle seat comprises a back rest having a back rest frame, the upper back adjustment device comprises a head rest support adapted to receive a head rest, the head rest support being adapted to be mounted to pivot about a transverse axis relative to the back rest frame of the vehicle seat. The upper backrest adjustment device allows an upper part of the backrest to be moved in the substantially longitudinal direction of the seat, independently of a lower part of the backrest, in order to define a contact area between the backrest and an occupant of the vehicle seat. In order to adjust the longitudinal position of the headrest, the headrest is mounted on a headrest support of the upper backrest adjustment device, which headrest support is pivoted about a transverse axis relative to the seat backrest, in particular to the frame of the seat backrest. The rotation of the headrest makes it possible to adjust the position of the support region of the head of the occupant on the headrest in the longitudinal direction of the seat, which patent has disclosed the manner of control of this seat.
The comfort of the rear seat has a direct relationship with the manual mechanical design of the seat, the seat material and the rear space, and the comfort of the rear seat is improved through the points in the traditional mode. In the early stage of the design of the seat, the design of the seat manual mechanics is strengthened, but the design of the modeling is possibly influenced by adjusting the mechanical design; the comfort is improved by improving the material of the seat, and the cost of the whole seat is increased to a certain extent; the rear evacuation room is strongly related to the structure and the positioning of the whole vehicle, the rear evacuation room is limited, and a breakthrough opening is difficult to find in the increased rear evacuation space. The comfort of the rear seat of the automobile is often restricted by the factors, and the satisfactory effect of the user cannot be achieved. When addressing the smaller issue of rear exhaust rooms, it is currently common to add space to the rear row by adjusting the position of the front seat. The front seat is also based on the fact that no one is sitting on the front seat, and the user in the rear row needs to perform the action of adjusting the front seat in advance. Often the customer has taken a seat, still need to get up again and carry out the regulation of front seat, complex operation, user experience is not good.
Disclosure of Invention
The invention solves the problem that the rear evacuation room of a vehicle is small and the auxiliary driving seat is required to be adjusted firstly, and provides a system and a method for automatically adjusting the comfort of the automobile seat.
In order to realize the purpose, the following technical scheme is provided:
a system for automatically adjusting the comfort of an automobile seat comprises an intelligent cabin, a vehicle body controller and a communication module, wherein a seat control module is arranged, the seat control module is in communication connection with the intelligent cabin and the vehicle body controller through the communication module, the seat control module is electrically connected with a first adjusting motor, a second adjusting motor, a first gravity sensor, a second gravity sensor, a position sensor and an adjusting switch, the first adjusting motor is used for adjusting the position of a secondary driving seat, the position sensor is used for detecting the position of the secondary driving seat, the second gravity sensor is arranged on the secondary driving seat and used for judging whether a user is seated on the secondary driving seat, the first gravity sensor is arranged on a back-row seat and used for judging whether the user is seated on the back-row seat, and the adjusting switch is used for inputting the position adjusting range of the back-row seat, the second adjusting motor is used for adjusting the position of the rear row of seats.
The invention adopts an intelligent control mode, jumps out of the limits of cost and vehicle type, not only can indirectly increase the available space of the back row users, but also enables the operation to be more portable and simpler. The invention considers the space convenience when the rear-row user gets on or off the vehicle, and when the rear-row user is seated, more rear-row space can be obtained more simply and conveniently.
A method for automatically adjusting the comfort of an automobile seat is suitable for the system for automatically adjusting the comfort of the automobile seat, and comprises the following steps:
s1, judging whether the adjustment condition of the rear seat is met, if yes, entering S2, and if not, keeping the judgment state;
s2, judging whether there is a request for opening the comfort automatic adjustment, if yes, proceeding S3, if no, ending the control; the invention aims to avoid unnecessary operation and control of a secondary driving seat caused by the fact that a child sits on the rear row and the adjusting switch is adjusted and controlled randomly, and is safe and electricity-saving.
S3, judging whether the comfort automatic adjustment condition is met, if so, adjusting the position of the vice driving seat to be the rear seat yielding position, and if not, ending the control;
and S4, after the position of the assistant driver seat is adjusted, judging whether a user sits on the back row seat, if not, resetting the assistant driver seat and the back row seat, returning to S1, and if so, keeping the judgment state.
Preferably, the rear seat adjustment condition is that a user is seated in the rear seat and a rear seat position adjustment request is received.
The first gravity sensor is used for detecting whether a user sits on the seat, when the user starts the adjusting switch, a rear-row seat position adjusting request is sent to the seat control module, and the seat control module controls the second adjusting motor to rotate, so that the adjustment and control of the rear-row seat are achieved.
Preferably, the S3 specifically includes the following steps:
s301, judging whether the vehicle state meets the control condition, if so, performing S302; if not, ending the control;
s302, judging whether a user sits on the assistant driver seat or not, and if so, ending the control; if not, the position of the auxiliary driving seat is adjusted to be the rear-row seat yielding position.
The seat control module detects whether a user is seated on the secondary seat through a second gravity sensor of the secondary seat.
Preferably, the condition that the vehicle state satisfies the control is that the vehicle is powered on and stationary.
The seat control module receives the vehicle power state and the vehicle speed state sent by the vehicle body controller through the communication module, judges whether the vehicle is powered on and judges whether the vehicle speed is zero.
Preferably, the S4 further includes a passenger seat position detection, specifically including the steps of:
the seat control module controls the first adjusting motor to rotate so as to adjust the position of the assistant driver seat, the position sensor detects the position of the assistant driver seat in real time, and when the position of the assistant driver seat reaches a target position, the seat control module stops controlling the assistant driver seat. And the target position is calibrated and confirmed according to different seats of different vehicle types.
Preferably, the assistant driver seat position detection further comprises anti-pinch detection, the current of the first adjusting motor is detected in the process that the assistant driver seat moves towards the target position, when the current of the first adjusting motor is larger than a threshold value and the current position is detected by the position sensor to be not yet at the target position, the situation that the object is pinched at the moment is judged, and the seat control module stops controlling the assistant driver seat.
The invention has the beneficial effects that:
1. when the back row seat was adjusted, the vice seat of driving of front seat automatic linkage strived for bigger passenger space for the back row user acquires the space simpler and intelligent, greatly promotes user experience and vehicle science and technology and feels.
2. The seat comfort automatic regulating function has the opening and closing setting function on the intelligent cabin, so that more users can select the seat comfort automatic regulating function, and more applicable scenes are available.
3. Through the automatic adjusting function, a larger applicable space is provided for rear users under the allowable condition at lower cost.
4. Safety and reliability are guaranteed through the limiting conditions of the power state of the vehicle, the speed of the vehicle, whether people sit or not, clamping prevention and the like.
Drawings
FIG. 1 is a system diagram of an embodiment;
FIG. 2 is a flow diagram of a method of an embodiment;
wherein: 1. the intelligent passenger cabin comprises an intelligent passenger cabin 2, a vehicle body controller 3, a communication module 4, a seat control module 5, a first adjusting motor 6, a second adjusting motor 7, a second gravity sensor 8, an adjusting switch 9, a position sensor 10 and a first gravity sensor.
Detailed Description
Example (b):
the embodiment provides a system for automatically adjusting comfort of an automobile seat, and referring to fig. 1, the system comprises an intelligent cabin 1, a vehicle body controller 2 and a communication module 3, a seat control module 4 is arranged, the seat control module 4 is in communication connection with the intelligent cabin 1 and the vehicle body controller 2 through the communication module 3, the seat control module 4 is electrically connected with a first adjusting motor 5, a second adjusting motor 6, a first gravity sensor 10, a second gravity sensor 7, a position sensor 9 and an adjusting switch 8, the first adjusting motor 5 is used for adjusting the position of a secondary driving seat, the position sensor 9 is used for detecting the position of the secondary driving seat, the second gravity sensor 7 is arranged on the secondary driving seat and is used for judging whether a user is seated on the secondary driving seat, the first gravity sensor 10 is arranged on a rear seat and is used for judging whether a user is seated on the rear seat, the adjusting switch 8 is used for inputting the position adjusting range of the rear seat, the second adjustment motor 6 is used to adjust the position of the rear seat.
The intelligent cabin 1 is used for collecting and processing related information of a vehicle central control large screen, and converting related operation information of a user on the central control large screen into a CAN signal and transmitting the CAN signal to the seat control module through the communication module. The back row comfort mode starts or closes the control button on the big screen of well accuse of intelligence passenger cabin, when intelligence passenger cabin 1 sets up back row comfort mode and begins, just can respond seat travelling comfort automatic regulating function.
And the vehicle body controller is used for detecting a vehicle power supply and a vehicle speed and transmitting a vehicle state signal to the seat control module 4 and the intelligent cabin 1 through the communication module by using the CAN signal. The vehicle body controller 2 controls the power supply of the whole vehicle according to the vehicle state, and the vehicle body controller 2 processes the vehicle speed and comprehensively outputs the motion or static state of the whole vehicle. The seat comfort automatic adjustment function is allowed to be performed only in the case where the vehicle is powered on and the vehicle is stationary.
And the seat control module 4 is used for detecting and judging the adjusting switch 8, controlling the first adjusting motor 5 and the second adjusting motor 6, detecting and judging the seat position, and detecting and judging the first gravity sensor 10 and the second gravity sensor 7. The seat is adjusted and controlled by integrating the vehicle state information sent by the intelligent cabin and the vehicle body control module and the detected seat switch and sensor information.
The invention adopts an intelligent control mode, jumps out of the limits of cost and vehicle type, not only can indirectly increase the available space of the back row users, but also enables the operation to be more portable and simpler. The invention considers the space convenience when the rear-row user gets on or off the vehicle, and when the rear-row user is seated, more rear-row space can be obtained more simply and conveniently.
The embodiment also provides a method for automatically adjusting the comfort of the automobile seat, which is applicable to the above system for automatically adjusting the comfort of the automobile seat, and with reference to fig. 2, the method includes the following steps:
s1, judging whether the adjustment condition of the rear seat is met, if yes, entering S2, and if not, keeping the judgment state;
the rear seat adjustment condition is that a user is seated on the rear seat and receives a rear seat position adjustment request.
The first gravity sensor 10 is used for detecting whether a user sits on the seat, and when the user starts the adjusting switch 8, a rear seat position adjusting request is sent to the seat control module 4, and the seat control module 4 controls the second adjusting motor 6 to rotate, so that the adjustment and control of the rear seat are realized.
S2, judging whether there is a request for opening the comfort automatic adjustment, if yes, proceeding S3, if no, ending the control; the invention is provided with the judgment of whether the request for opening the comfort automatic adjustment exists or not, and aims to avoid the situation that children sit on the back row and adjust and control the adjusting switch 8 at will, so that the secondary driving seat is controlled unnecessarily, and the safety and the power saving are realized.
S3, judging whether the comfort automatic adjustment condition is met, if so, adjusting the position of the vice driving seat to be the rear seat yielding position, and if not, ending the control;
s3 specifically includes the following steps:
s301, judging whether the vehicle state meets the control condition, if so, performing S302; if not, ending the control; the condition that the vehicle state satisfies the control is that the vehicle is powered on and stationary.
The seat control module 4 receives the vehicle power state and the vehicle speed state sent by the vehicle body controller 2 through the communication module 3, and judges whether the vehicle is powered on and whether the vehicle speed is zero.
S302, judging whether a user sits on the assistant driver seat or not, and if so, ending the control; if not, the position of the auxiliary driving seat is adjusted to be the rear-row seat yielding position.
The seat control module 4 detects whether the front passenger seat has a user seated thereon through the second gravity sensor 7 of the front passenger seat.
And S4, after the position of the assistant driver seat is adjusted, judging whether a user sits on the back row seat, if not, resetting the assistant driver seat and the back row seat, returning to S1, and if so, keeping the judgment state.
S4 further comprises a passenger seat position detection, which specifically comprises the following steps:
the seat control module 4 controls the first adjusting motor 5 to rotate so as to adjust the position of the assistant driver seat, the position sensor 9 detects the position of the assistant driver seat in real time, and when the position of the assistant driver seat reaches a target position, the seat control module 4 stops controlling the assistant driver seat. And calibrating and confirming the target position according to different seats of different vehicle types. The position detection of the assistant driver seat further comprises anti-pinch detection, the current of the first adjusting motor 5 is detected in the process that the assistant driver seat moves to the target position, when the current of the first adjusting motor 5 is larger than a threshold value and the current position is detected by the position sensor 9 to be not at the target position, the object pinch is judged to occur at the moment, and the seat control module 4 stops controlling the assistant driver seat.
The working process of the present invention is described in detail below in conjunction with the system and method, and with reference to fig. 1 and 2, the working process includes the following steps:
step SA: start of
Step SB: the seat control module 4 detects that a user sits on the right rear seat through the first gravity sensor 10 arranged on the rear seat on the right side of the left rear seat, and detects that the adjusting switch 8 of the right rear seat is effective, and when the two conditions are met, the automatic comfort adjusting function is triggered to judge.
Step SC: the seat control module 4 receives the opening state of the back row comfort mode sent by the intelligent cabin 1 through the communication module 3, if the opening state is the opening state, the step SD is executed, and if the opening state is not the opening state, the step SK is executed.
Step SD: the seat control module 4 receives the vehicle power state and the vehicle speed state sent by the vehicle body controller 2 through the communication module 3, if the whole vehicle is powered on and the vehicle is static, the step SE is executed, and if the whole vehicle is not powered on and the vehicle is static, the step SK is executed.
Step SE: the seat control module 4 detects whether the passenger sits on the passenger seat through the second gravity sensor 7, if the passenger does not sit on the passenger seat, the step SF is executed, and if not, the step SK is executed.
Step SF: and under the condition that the early-stage conditions are met, the seat control module 4 controls the assistant driver seat and the assistant driver backrest to move forwards, the seat control module 4 detects the positions of the assistant driver seat and the assistant driver backrest according to the position sensor 9 and moves towards the target position, the target position is calibrated and confirmed according to different seats of different vehicle types, and the step SG is executed after the assistant driver seat and the assistant driver backrest are controlled to act.
And SG, in the process that the auxiliary driving seat and the auxiliary driving backrest move towards the target position, the seat control module 4 judges whether the auxiliary driving seat is clamped or not according to the currents of the position sensor 9 and the first adjusting motor 5, if not, the step SH is executed, and if so, the step SK is executed.
Step SH: and the seat control module 4 detects the positions of the assistant driver seat and the assistant driver backrest according to the position sensor 9, controls the assistant driver seat and the assistant driver backrest to stop moving when detecting that the assistant driver seat and the assistant driver backrest reach the target positions, and executes the step SI.
Step SI: after the seat comfort automatic adjusting function is executed, the seat control module 4 detects that the right rear seat user leaves the seat through the first gravity sensor 10, and receives a signal sent by the vehicle body control module and sent by the vehicle body control module to close the right rear vehicle door after the right rear vehicle door is opened through the communication module 3, and then step SJ is executed, otherwise step SH is executed.
Step SJ: the seat control module 4 controls the assistant driver seat and the assistant driver backrest to return to the original positions.
Step SK: and (6) ending.
In the automatic comfort adjustment process of the automobile seat, the embodiment of the invention judges the function setting of the intelligent cabin, when the function setting is closed, the function cannot be triggered, so that people who do not sit in the front row can be ensured, when a user does not want any adjustment of the front row seat, people sit on the right side of the rear row seat, and the front row seat can not act when the seat is adjusted, and the function setting is more flexible.
In addition, the embodiment of the invention judges the power state and the vehicle speed state of the vehicle before executing the action, forbids automatic adjustment when the power state is not satisfied and the vehicle runs, ensures the driving safety, removes the interference to the driver and ensures the driving safety of the vehicle.
In addition, the embodiment of the invention judges whether the vice-driving seat is prevented from being clamped or not in the executing action, prevents users from being clamped or damaging articles in the moving process, and ensures the personal safety and the article safety of the users in the use of the vehicle.
Claims (7)
1. A system for automatically adjusting the comfort of an automobile seat comprises an intelligent cabin (1), a vehicle body controller (2) and a communication module (3), and is characterized in that a seat control module (4) is arranged, the seat control module (4) is in communication connection with the intelligent cabin (1) and the vehicle body controller (2) through the communication module (3), the seat control module (4) is electrically connected with a first adjusting motor (5), a second adjusting motor (6), a first gravity sensor (10), a second gravity sensor (7), a position sensor (9) and an adjusting switch (8), the first adjusting motor (5) is used for adjusting the position of a secondary driving seat, the position sensor (9) is used for detecting the position of the secondary driving seat, the second gravity sensor (7) is arranged on the secondary driving seat and used for judging whether a user sits on the secondary driving seat or not, the first gravity sensor (10) is arranged on the rear seat and used for judging whether a user sits on the rear seat, the adjusting switch (8) is used for inputting the position adjusting range of the rear seat, and the second adjusting motor (6) is used for adjusting the position of the rear seat.
2. A method for automatically adjusting the comfort of a vehicle seat, which is applied to the system for automatically adjusting the comfort of a vehicle seat as claimed in claim 1, and which comprises the following steps:
s1, judging whether the adjustment condition of the rear seat is met, if yes, entering S2, and if not, keeping the judgment state;
s2, judging whether there is a request for opening the comfort automatic adjustment, if yes, proceeding S3, if no, ending the control;
s3, judging whether the comfort automatic adjustment condition is met, if so, adjusting the position of the vice driving seat to be the rear seat yielding position, and if not, ending the control;
and S4, after the position of the assistant driver seat is adjusted, judging whether a user sits on the back row seat, if not, resetting the assistant driver seat and the back row seat, returning to S1, and if so, keeping the judgment state.
3. The method of claim 2, wherein the rear seat adjustment condition is that a user is seated in the rear seat and a rear seat position adjustment request is received.
4. The method for automatically adjusting comfort of a car seat according to claim 2, wherein said S3 comprises the following steps:
s301, judging whether the vehicle state meets the control condition, if so, performing S302; if not, ending the control;
s302, judging whether a user sits on the assistant driver seat or not, and if so, ending the control; if not, the position of the auxiliary driving seat is adjusted to be the rear-row seat yielding position.
5. The method of claim 4, wherein the condition that the vehicle condition satisfies the control is that the vehicle is powered on and stationary.
6. The method for automatically adjusting comfort of a car seat according to claim 4, wherein said S4 further comprises a second driver seat position detection, comprising the following steps:
the seat control module (4) controls the first adjusting motor (5) to rotate so as to adjust the position of the assistant driver seat, the position sensor (9) detects the position of the assistant driver seat in real time, and when the position of the assistant driver seat reaches a target position, the seat control module (4) stops controlling the assistant driver seat.
7. The method for automatically adjusting the comfort of the automobile seat as claimed in claim 6, wherein the position detection of the secondary seat further comprises anti-pinch detection, the current of the first adjusting motor (5) is detected during the movement of the secondary seat to the target position, when the current of the first adjusting motor (5) is greater than the threshold value and the position sensor (9) detects that the current position does not reach the target position, the object pinch is determined to occur, and the control of the secondary seat by the seat control module (4) is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981663.6A CN113752923A (en) | 2021-08-25 | 2021-08-25 | System and method for automatically adjusting comfort of automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981663.6A CN113752923A (en) | 2021-08-25 | 2021-08-25 | System and method for automatically adjusting comfort of automobile seat |
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| Publication Number | Publication Date |
|---|---|
| CN113752923A true CN113752923A (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110981663.6A Pending CN113752923A (en) | 2021-08-25 | 2021-08-25 | System and method for automatically adjusting comfort of automobile seat |
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| Country | Link |
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| CN (1) | CN113752923A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114906082A (en) * | 2022-05-31 | 2022-08-16 | 中国第一汽车股份有限公司 | Vehicle seat adjusting method and device and vehicle |
| CN115352326A (en) * | 2022-08-25 | 2022-11-18 | 长城汽车股份有限公司 | Method for adjusting a vehicle seat, electronic device, vehicle and storage medium |
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| CN115352326A (en) * | 2022-08-25 | 2022-11-18 | 长城汽车股份有限公司 | Method for adjusting a vehicle seat, electronic device, vehicle and storage medium |
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Application publication date: 20211207 |
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| RJ01 | Rejection of invention patent application after publication |