CN114771434A - Linkage control method, device and controller for ceiling screen and seat - Google Patents
Linkage control method, device and controller for ceiling screen and seat Download PDFInfo
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- CN114771434A CN114771434A CN202210517750.0A CN202210517750A CN114771434A CN 114771434 A CN114771434 A CN 114771434A CN 202210517750 A CN202210517750 A CN 202210517750A CN 114771434 A CN114771434 A CN 114771434A
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- 238000013519 translation Methods 0.000 claims description 39
- 238000004590 computer program Methods 0.000 claims description 6
- 238000013507 mapping Methods 0.000 claims description 4
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- 238000005422 blasting Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
- B60R2011/0003—Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
- B60R2011/0028—Ceiling, e.g. roof rails
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
- B60R2011/008—Adjustable or movable supports
- B60R2011/0092—Adjustable or movable supports with motorization
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Abstract
The invention discloses a linkage control method, a device and a controller of a ceiling screen and a seat, wherein the method comprises the following steps: obtaining a first backrest position of a target seat; determining a first envelope space of a distal air bag according to the first backrest position; the distal air bag is an air bag disposed at the target seat back; determining a first target position of the ceiling screen according to the first envelope space; the first target position enables the distance between the ceiling screen and the first envelope space to be equal to a set safety distance; responding to a starting instruction of the ceiling screen, and adjusting the ceiling screen to the first target position. The linkage control method improves the viewing experience of the passengers in the back row and improves the space utilization rate in the vehicle.
Description
Technical Field
The application relates to the technical field of automobiles, in particular to a linkage control method, a linkage control device and a linkage control controller for a ceiling screen and a seat.
Background
At present, a vehicle-mounted ceiling screen is often arranged on a vehicle and used for providing audio-visual service for passengers on the back row of a driver. In consideration of safety requirements, the vehicle is provided with a far-end air bag at a front row seat, so that the ceiling screen arrangement needs to move backwards to ensure the safe air bag blasting space. However, the arrangement position of the existing ceiling screen is too far back, which causes the waste of front and back space in the vehicle on one hand and reduces the space utilization rate; on the other hand, the ceiling screen is too close to the passengers in the back row, and the watching experience is reduced.
Disclosure of Invention
The invention provides a linkage control method, a linkage control device and a linkage control controller for a ceiling screen and a seat, and aims to solve or partially solve the technical problems that the space utilization rate in a vehicle is low and the viewing experience of passengers is influenced because the arrangement position of the ceiling screen is too far back at present.
In order to solve the technical problem, in a first aspect, according to an embodiment of the present invention, there is provided a method for linkage control of a ceiling screen and a seat, including:
obtaining a first backrest position of a target seat;
determining a first envelope space of a distal air bag according to the first backrest position; the distal air bag is an air bag disposed at the target seat back;
determining a first target position of the ceiling screen according to the first envelope space; the first target position enables the distance between the ceiling screen and the first enveloping space to be equal to a set safety distance;
responding to a starting instruction of the ceiling screen, and adjusting the ceiling screen to the first target position.
Optionally, the first target position enables the ceiling screen to be at a preset angle, and the distance between the ceiling screen and the first envelope space is equal to the set safety distance.
Optionally, the determining a first target position of the ceiling screen according to the first envelope space includes:
determining a corresponding relation according to the first envelope space; the corresponding relation is a mapping relation between a translation position and an angle of the top absorbing screen, and the translation position and the angle enable the distance between the top absorbing screen and the first envelope space to be equal to the set safety distance;
and determining the first target position based on the preset angle and the corresponding relation.
Optionally, after the adjusting the ceiling screen to the first target position, the method further includes:
acquiring translation position adjustment information and/or angle adjustment information sent by a ceiling screen remote controller;
and adjusting the ceiling screen based on the corresponding relation according to the translation position adjustment information and/or the angle adjustment information.
Optionally, after the adjusting the ceiling screen to the first target position, the method further includes:
obtaining an eye position of a target object; the target object is a vehicle occupant located behind the target seat;
determining a target angle of the ceiling screen according to the eye position;
and adjusting the ceiling screen according to the target angle and the corresponding relation.
Optionally, the determining a target angle of the ceiling screen according to the eye position includes:
obtaining a connecting line according to the eye position and a set position on the ceiling screen;
and obtaining an included angle between the connecting line and the screen plane of the ceiling screen, and determining the ceiling screen angle which enables the included angle to be within a set range as the target angle.
Optionally, after the adjusting the ceiling screen to the first target position, the method further includes:
obtaining a second backrest position of the target seat;
determining a second envelope space of the far-end airbag according to the second backrest position, and determining a second target position of the ceiling screen according to the second envelope space; the second target position enables the distance between the ceiling screen and the second envelope space to be equal to a set safety distance when the ceiling screen is at the preset angle;
and adjusting the ceiling screen to the second target position.
Optionally, the obtaining the backrest position of the target seat comprises:
obtaining position coordinates and a backrest angle of the target seat;
and obtaining the backrest position according to the position coordinates and the backrest angle.
Based on the same inventive concept, in a second aspect, there is provided a ceiling screen and seat linkage control device according to an embodiment of the present invention, including:
an acquisition module for acquiring a first backrest position of a target seat;
the first determining module is used for determining a first envelope space of the far-end air bag according to the first backrest position; the distal air bag is an air bag disposed at the target seat back;
the second determining module is used for determining a first target position of the ceiling screen according to the first envelope space; the first target position enables the distance between the ceiling screen and the first enveloping space to be equal to a set safety distance;
and the control module is used for responding to a starting instruction of the ceiling screen and adjusting the ceiling screen to the first target position.
Based on the same inventive concept, in a third aspect, a controller according to an embodiment of the present invention includes a memory, a processor, and a computer program stored on the memory and executable on the processor, and the processor implements the steps of the method according to any one of the technical solutions of the first aspect when executing the computer program.
Through one or more technical schemes of the invention, the invention has the following beneficial effects or advantages:
the invention provides a linkage control method of a ceiling screen and a seat, which comprises the steps of determining a first envelope space of a far-end air bag arranged at a target seat according to the backrest position of the target seat before the ceiling screen is started, namely determining the space profile of the far-end air bag in the unfolding process and after the unfolding is finished, determining a first target position of the ceiling screen based on the principle that the distance between the ceiling screen and the first envelope space of the far-end air bag is kept at a set safe distance, and starting the ceiling screen according to the first target position; compared with the traditional scheme of determining the arrangement position of the ceiling screen based on the most rear H point of the seat position, the scheme enables the position of the ceiling screen to be linked with the unfolding space position of the far-end air bag of the target seat, controls the position of the ceiling screen to be matched with the actual posture of the target seat, and keeps the distance between the ceiling screen and the unfolding envelope space of the far-end air bag at the limit position of the set safety distance, thereby increasing the distance between the eye point of a passenger positioned at the rear row of the target seat and the screen of the ceiling screen, solving the problem that the visual distance requirement of the ceiling screen is contradictory to the requirement of the unfolding envelope space of the far-end air bag of the target seat, and improving the utilization rate of the space in the vehicle while improving the viewing experience of the passengers at the rear row.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings.
In the drawings:
FIG. 1 is a schematic diagram illustrating a ceiling screen placement location determined according to a conventional scheme;
FIG. 2 is a flow chart diagram illustrating a method of linkage control of a ceiling screen and a seat according to one embodiment of the present invention;
FIG. 3 illustrates a schematic view of a ceiling screen arrangement position according to one embodiment of the present invention;
FIG. 4 shows a schematic view of a ceiling screen and seat linkage control according to another embodiment of the present invention;
fig. 5 shows a schematic diagram of a controller structure according to yet another embodiment of the invention.
Detailed Description
In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments. Throughout the specification, unless otherwise specifically noted, terms used herein should be understood as having meanings as commonly used in the art. Accordingly, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. If there is a conflict, the present specification will control. Unless otherwise specifically stated, various apparatuses and the like used in the present invention are either commercially available or can be prepared by existing methods.
The reason why the ceiling screen is disposed too far rearward is to consider the influence of the far-end airbag disposed at the driver seat or the front seat, and it is required that the ceiling screen cannot influence the deployment envelope of the far-end airbag. Therefore, the conventional arrangement scheme at present is designed according to the most severe seat position, that is, when the driver seat or the front seat simultaneously satisfies the most rear and most upper H Point (crotch Point) positions, the arrangement position of the ceiling screen is determined according to the deployment envelope of the far-end airbag, so that the arrangement position of the ceiling screen is very close to the rear passenger, resulting in that the screen of the ceiling screen is too close to the eye Point of the rear passenger, as shown in fig. 1.
In fact, for the front row seat, especially for the driver seat, it is considered that the driving position of the driver generally does not appear at the position of the rearmost and uppermost H points of the seat, so that in order to avoid the arrangement position of the ceiling screen being too close to the rear row passengers and to improve the space utilization rate of the vehicle, the invention provides a linkage control method of the ceiling screen and the seat, and the overall idea is as follows:
obtaining a first backrest position of a target seat; determining a first envelope space of a distal air bag according to the first backrest position; the distal air bag is an air bag disposed at the target seat back; determining a first target position of the ceiling screen according to the first envelope space; the first target position enables the distance between the ceiling screen and the first enveloping space to be equal to a set safety distance; responding to the starting instruction of the ceiling screen, and adjusting the ceiling screen to the first target position.
The above-described embodiments will be further described with reference to the following detailed description.
In an alternative embodiment, the linkage control method of the ceiling screen and the seat provided by the invention is applied to a vehicle body controller or other vehicle-mounted controllers of a certain vehicle type.
As shown in fig. 2, the method includes steps S1 to S4, which are as follows:
s1: a first backrest position of the target seat is obtained.
Specifically, the target seat may be a driver seat or a front seat with respect to the occupant. For example, for a passenger in the second row, the driver seat is the target seat; for a three row passenger, the two row seat is the target seat. In this embodiment, unless otherwise specified, a driver seat is exemplified as the target seat.
The first back position of the driver seat is the back position of the driver seat prior to actuation of the ceiling screen. The ceiling screen is folded on the roof before being started, and the position of the backrest of the driver seat is acquired as the first backrest position before the ceiling screen is started.
The position of the backrest of the driver seat can be acquired and determined by arranging a position sensor at a specified position point on the backrest, and can also be determined according to the front-back translation position and the backrest angle of the driver seat, and the determination method based on the front-back translation position and the backrest angle parameters is specifically as follows:
obtaining position coordinates and a backrest angle of a target seat; and obtaining the backrest position according to the position coordinates and the backrest angle.
The position coordinates are the position coordinates of the driver seat moving back and forth on the guide rail, wherein the front is the direction close to the steering wheel or the instrument panel of the vehicle, and the rear is the direction far away from the steering wheel or the instrument panel. The backrest angle is the rotation angle of the driver seat backrest. After the position coordinates and the backrest angle of the driver seat are obtained, the backrest position of the driver seat can be directly calculated.
It should be noted that, when the position and the backrest angle of the target seat are changed, the controller re-acquires the position coordinates and the backrest angle to update the backrest position.
S2: determining a first envelope space of a distal air bag according to the first backrest position; the distal air bag is an air bag provided at the target seat back.
Specifically, the far-end airbag at the driver seat is installed at a backrest support of the driver seat, and the installation position point is also determined after the vehicle model is determined, so that the installation position of the far-end airbag can be obtained after the backrest position of the driver seat is known, and the first envelope space of the far-end airbag can be calculated by combining airbag parameters after the installation position of the far-end airbag is known. The first envelope space includes spatial position information or spatial coordinate information of the airbag outline during and after the airbag is deployed.
S3: determining a first target position of the ceiling screen according to the first envelope space; the first target position enables the distance between the ceiling screen and the first envelope space to be equal to a set safety distance.
If the envelope space information of the far-end airbag of the target seat in the current posture is obtained in step S2, and the spatial posture of the ceiling screen at the time of starting is determined, that is, the contour information of the ceiling screen is known, then the distance between the ceiling screen and the deployment envelope space of the far-end airbag can be calculated based on the first envelope space and the spatial contour of the ceiling screen. And determining a first target position of the ceiling screen when the ceiling screen is started according to the principle that the distance between the ceiling screen and the first envelope space of the far-end air bag is equal to the set safety distance. The set safe distance is determined according to the vehicle type and the actual requirement and is the minimum safe distance between the ceiling screen and the expansion envelope space of the far-end air bag. Thus, the first target position indicates that the ceiling screen is at an extreme position where the deployment envelope of the airbag at the far end of the driver seat is maintained at a set safe distance when the ceiling screen is activated.
In the embodiment of the invention, the first target position of the ceiling screen can be represented by the front and back translation position of the ceiling screen, and can also be represented by the translation position and the rotation angle of the ceiling screen at the same time, and can be selected according to actual requirements. Where "front" is the direction toward the vehicle steering wheel or dashboard and "rear" is the direction away from the steering wheel or dashboard. If not specifically stated, the target position of the ceiling screen in the embodiment of the invention is characterized by a front-back translation position.
S4: responding to a starting instruction of the ceiling screen, and adjusting the ceiling screen to the first target position.
Specifically, the starting instruction of the ceiling screen can be generated by pressing a power button of the ceiling screen by a passenger hand, or the passenger uses a ceiling screen remote controller to generate, the ceiling screen starting instruction is sent to the controller after being generated, and the controller sends an adjusting instruction according to the starting instruction to adjust the ceiling screen to the first target position. The ceiling screen is provided with an executing mechanism which moves back and forth and moves according to the adjusting instruction.
The embodiment provides a linkage control method of a ceiling screen and a seat, which comprises the steps of determining a first envelope space of a far-end air bag installed at a target seat according to the backrest position of the target seat before the ceiling screen is started, namely determining the spatial profile of the far-end air bag in the unfolding process and after the unfolding is finished, determining a first target position of the ceiling screen based on the principle that the distance between the ceiling screen and the first envelope space of the far-end air bag is kept at a set safe distance, and starting the ceiling screen according to the first target position; compared with the traditional scheme of determining the arrangement position of the ceiling screen based on the most rear H point of the seat position, the scheme enables the position of the ceiling screen to be linked with the unfolding space position of the far-end air bag of the target seat, controls the position of the ceiling screen to be matched with the actual posture of the target seat, and keeps the distance between the ceiling screen and the unfolding envelope space of the far-end air bag at the limit position of the set safety distance, thereby increasing the distance between the eye point of a passenger positioned at the rear row of the target seat and the screen of the ceiling screen, solving the problem that the visual distance requirement of the ceiling screen is contradictory to the requirement of the unfolding envelope space of the far-end air bag of the target seat, and improving the utilization rate of the space in the vehicle while improving the viewing experience of the passengers at the rear row.
Fig. 1 and 3 show a graphical comparison of the effect of the method provided by the conventional approach and the present embodiment. Fig. 1 is a conventional scheme, and because the ceiling screen is designed at the most harsh seat position at the most rear and the most H point of the driver seat, the overall arrangement position of the ceiling screen is very rear and close to two rows of seats, and the screen of the ceiling screen is close to the positions of human eyes of two rows of people after being started, which affects the viewing experience. And fig. 3 is the scheme of linkage control of the ceiling screen according to the seat position provided by this embodiment, so the overall arrangement position of the ceiling screen can be farther away from the two rows of seats, and therefore, after the ceiling screen is started, the screen is farther away from the positions of the eyes of the two rows of people, which is beneficial to improving the viewing experience.
For a ceiling screen with an adjustable rotation angle, the spatial profile of the ceiling screen is affected in two ways: 1) sucking the front and back translation positions of the top screen; 2) and (4) sucking the rotation angle of the top screen around the rotating shaft. When the ceiling screen is started, the angle information of the ceiling screen is known and is a preset angle, namely, when the ceiling screen is started, the ceiling screen can be rotated to the preset angle or a default angle under the condition that specific adjusting information is not received, for example, the ceiling screen is rotated to form an included angle of 80 degrees with the horizontal direction when the ceiling screen is started. Therefore, for the determined vehicle type and the determined preset angle, the front and back translation position of the ceiling screen only needs to be considered in the starting stage.
The preset angles of the ceiling screens in different vehicle types or different configurations of the same vehicle type are different when the ceiling screens are started, and the space outline of the ceiling screens is influenced by considering the difference of the rotation angles, so that the distance between the ceiling screens and the envelope space of the far-end air bag is changed. Therefore, in some optional embodiments, the first target position enables the distance between the ceiling screen and the first enveloping space to be equal to the set safety distance after the ceiling screen is rotated to the preset angle. The first target position is determined by combining the preset angle of the top suction screen, so that the determination accuracy of the first target position can be improved, and the situation that the distance between the top suction screen and the expansion envelope space of the far-end air bag is smaller than the set safe distance and potential safety hazards are caused due to the fact that the preset angles when the top suction screen is started are different is avoided.
Further, for the rotatable ceiling screen, the target position of the ceiling screen is affected by making the distance between the ceiling screen and the deployment envelope space of the airbag different in consideration of different rotation angles, so that in some alternative embodiments, step S3 specifically includes:
determining a corresponding relation according to the first envelope space; the corresponding relation is a mapping relation between a translation position and an angle of the top absorbing screen, and the translation position and the angle enable the distance between the top absorbing screen and the first envelope space to be equal to the set safety distance; and determining the first target position based on the preset angle and the corresponding relation.
Specifically, the front-rear translation range of the ceiling screen and the rotatable angle range of the ceiling screen are known. Therefore, when the first target position of the ceiling screen is determined, the first envelope space information of the far-end air bag is used as input, the translation range and the angle range of the ceiling screen are used as solving ranges, the distance between the ceiling screen and the first envelope space is equal to the set safety distance, and the solving is carried out to obtain the control boundary of the ceiling screen, namely the corresponding relation between the translation position and the angle. The corresponding relation gives the corresponding translation position of the ceiling screen under different angles, so that the distance between the ceiling screen under the angle and the unfolding envelope space of the far-end air bag is equal to the set safety distance.
As an exemplary illustration, the correspondence relationship has a control boundary as shown in table 1:
table 1: example of correspondence
| Translation position/mm | Angle/° degree |
| 0 | 84 |
| 20 | 82 |
| 40 | 80 |
| 60 | 78 |
| 80 | 75 |
| 100 | 70 |
The translation position in the table 1 represents the translation position coordinate of the top suction screen, when the translation position coordinate of the top suction screen is 0, the top suction screen is located at the limit position close to a vehicle steering wheel or a vehicle instrument panel, and when the translation position coordinate of the top suction screen is the maximum value, the top suction screen is located at the limit position far away from the vehicle steering wheel or the vehicle instrument panel. The angle of the ceiling screen represents the angle of the ceiling screen from horizontal as shown in figure 3.
After the corresponding relation is obtained, according to a known preset angle after the ceiling screen is started, inquiring the corresponding relation to obtain a translation position of the ceiling screen corresponding to the preset angle, and taking the translation position as the first target position.
For example, according to the current backrest position of the driver seat of a certain vehicle model, the corresponding relation of table 1 is calculated, and the preset angle of the ceiling screen configured in combination with the certain vehicle model when being started is 80 °, then according to table 1, the ceiling screen should be located at the first target position where the translation position coordinate is equal to 40mm when being started.
Considering that a ceiling-mounted screen is typically self-adjusting enabled after being activated, further, after said adjusting said ceiling-mounted screen to said first target position, said method further comprises:
acquiring translation position adjustment information and/or angle adjustment information sent by a ceiling screen remote controller; and adjusting the ceiling screen based on the corresponding relation according to the translation position adjustment information and/or the angle adjustment information.
The method has the advantages that the corresponding relation can not only guide the first target position of the ceiling screen during starting, but also give an adjustment control boundary during subsequent adjustment of the ceiling screen, so that on one hand, the distance between the ceiling screen and the expansion envelope space of the far-end airbag is prevented from being smaller than a set safety distance after the ceiling screen is adjusted; on the other hand, the distance is prevented from being recalculated after the ceiling screen is adjusted every time, and the calculation workload is reduced; as long as the position of the target seat does not change, all subsequent adjustments to the ceiling screen are made within the limits of the control boundaries given by the correspondence.
The description is continued with table 1 as an example:
case 1: after the ceiling screen is started, the angle of the ceiling screen is adjusted from 80 degrees to 70 degrees by passengers;
according to the corresponding relation of the table 1, if the angle is directly adjusted, the control boundary of the table 1 is broken through, and the distance between the ceiling screen and the unfolding envelope space of the far-end air bag is smaller than the set safety distance; the controller therefore, based on table 1, first translated the ceiling screen from 40mm to 100mm and then rotated it to 70 °.
Case 2: after the ceiling screen is started, the passenger adjusts the position of the ceiling screen from 40mm to 20 mm;
according to the corresponding relation of the table 1, if the control boundary of the table 1 is broken through by direct adjustment, the distance between the ceiling screen and the unfolding envelope space of the far-end air bag is smaller than the set safety distance; the controller thus controls the ceiling screen to rotate from 80 to 82 and then to translate to 20mm based on table 1.
Case 3: the adjustment of the control boundary of table 1 is not broken through;
for example, the passenger wants to adjust the ceiling screen to (60mm, 80 °), which does not break the control boundary of table 1, and the distance between the ceiling screen and the deployment envelope of the remote airbag is not lower than the set safety distance, so the controller can adjust directly in response to the user's demand.
In some optional embodiments, after the adjusting the ceiling screen to the first target position, the method further comprises:
obtaining an eye position of a target object; the target object is a vehicle occupant located behind the target seat; determining a target angle of the ceiling screen according to the eye position; and adjusting the ceiling screen according to the target angle and the corresponding relation.
Specifically, after the ceiling screen is started, the controller can adaptively adjust the translation position and the translation angle of the ceiling screen under the limitation of the corresponding relation according to the eye positions of passengers.
The eye position of the target object can be acquired through a camera arranged on the roof of the vehicle, the eye position coordinate is calculated based on the face image, then the target angle of the ceiling screen is determined based on the eye position coordinate, and then the ceiling screen is adjusted under the limitation of the corresponding relation based on the target angle.
An optional scheme for determining the target angle of the ceiling screen according to the eye position is as follows:
obtaining a connecting line according to the eye position and a set position on the ceiling screen; and obtaining an included angle between the connecting line and the screen plane of the ceiling screen, and determining the ceiling screen angle with the included angle in a set range as the target angle.
The set position can be a central point on the top-suction screen or a determined position point in the central area. The set range may be a range in which the connection line is nearly perpendicular to the screen plane, such as [80 °,90 ° ]. Preferably 90 deg., i.e. the line of sight is perpendicular to the ceiling screen, which has the best viewing effect.
Continuing with the example of Table 1, the ceiling screen is in the activated position (40mm, 80) when there are two cases:
case 1: breaking through the control boundary of table 1 according to the adjustment angle recognized by human eyes;
for example, the angle of the ceiling screen needs to be adjusted to 75 degrees through human eye recognition so that the ceiling screen is perpendicular to the connection line of human eyes; if the angle is directly adjusted, namely the ceiling screen is in a (40mm, 75 ℃) state, the control boundary of the table 1 is broken through, so that the distance between the ceiling screen and the unfolding envelope space of the far-end air bag is smaller than the set safety distance; the controller therefore, based on table 1, first translated the ceiling screen from 40mm to 80mm and then rotated it to 75 °.
Case 2: the control boundary of table 1 is not broken through according to the adjustment angle recognized by human eyes;
for example, the angle of the ceiling screen needs to be adjusted to 85 degrees through human eye recognition so that the ceiling screen is perpendicular to the line of the human eyes. The state of the ceiling screen at (40mm, 85 °) will not break through the control boundary of table 1, so the controller can directly rotate the ceiling screen to 85 °.
By adjusting the rotation angle of the ceiling screen according to the identified position of the human eyes under the control boundary given by the corresponding relation, the video watching quality and the watching experience of passengers can be further improved on the premise that the distance between the ceiling screen and the expansion envelope space of the far-end airbag is not less than the set safe distance.
The foregoing embodiments provide solutions that do not require a change in position and/or adjustment of the backrest angle of the subject seat. If the target seat is detected to have position change, the position of the far-end air bag is changed, and the deployment envelope space of the far-end air bag needs to be recalculated.
Thus, in some optional embodiments, after said adjusting said ceiling screen to said first target position, said method further comprises:
obtaining a second backrest position of the target seat; determining a second envelope space of the far-end air bag according to the second backrest position, and determining a second target position of the ceiling screen according to the second envelope space; the second target position enables the distance between the ceiling screen and the second envelope space to be equal to a set safety distance when the ceiling screen is at the preset angle; and adjusting the ceiling screen to the second target position.
Specifically, the second backrest position is determined after the position of the driver seat is changed, the second envelope space is a deployment envelope space of the far-end airbag corresponding to the second envelope space, and the second target position is a ceiling screen position corresponding to the current second envelope space.
Determining the second envelope space and determining the second target location according to the second envelope space is the same as the scheme for determining the first envelope space and determining the first target location in the foregoing embodiment, and is not described herein again. Similarly, when a second target position is determined, a second corresponding relation between the translation position and the angle of the ceiling screen can be determined according to the second envelope space.
Through the real-time change of tracking target seat position and back angle, translation position and the angle of linkage control ceiling screen improve back row passenger's the experience of watching under the prerequisite of guaranteeing that the distance between ceiling screen and the distal end gasbag equals to set for safe distance.
Based on the same inventive concept of the previous embodiment, in another alternative embodiment, there is provided a ceiling screen and seat linkage control device, as shown in fig. 5, comprising:
an acquisition module 10 for acquiring a first backrest position of a target seat;
a first determining module 20, configured to determine a first envelope space of the distal air bag according to the first backrest position; the distal air bag is an air bag disposed at the target seat back;
a second determining module 30, configured to determine a first target position of the ceiling screen according to the first envelope space; the first target position enables the distance between the ceiling screen and the first enveloping space to be equal to a set safety distance;
and the control module 40 is used for responding to a starting instruction of the ceiling screen and adjusting the ceiling screen to the first target position.
Optionally, the first target position enables the ceiling screen to be at a preset angle, and the distance between the ceiling screen and the first envelope space is equal to the set safety distance.
Optionally, the second determining module 30 is configured to:
determining a corresponding relation according to the first envelope space; the corresponding relation is a mapping relation between a translation position and an angle of the top absorbing screen, and the translation position and the angle enable the distance between the top absorbing screen and the first envelope space to be equal to the set safety distance;
and determining the first target position based on the preset angle and the corresponding relation.
Optionally, the obtaining module 10 is configured to:
acquiring translation position adjustment information and/or angle adjustment information sent by a ceiling remote controller;
the control module 40 is configured to:
and adjusting the ceiling screen based on the corresponding relation according to the translation position adjustment information and/or the angle adjustment information.
Optionally, the obtaining module 10 is configured to:
obtaining an eye position of a target object; the target object is a vehicle occupant located behind the target seat;
the device also comprises a third determining module used for determining the target angle of the ceiling screen according to the eye position;
the control module 40 is configured to:
and adjusting the ceiling screen according to the target angle and the corresponding relation.
Further, the third determining module is configured to:
obtaining a connecting line according to the eye position and a set position on the ceiling screen;
and obtaining an included angle between the connecting line and the screen plane of the ceiling screen, and determining the ceiling screen angle with the included angle in a set range as the target angle.
Optionally, the obtaining module 10 is configured to:
obtaining a second backrest position of the target seat;
the first determining module 20 is configured to:
determining a second envelope space of the distal air cell based on the second backrest position;
the second determining module 30 is configured to:
determining a second target position of the ceiling screen according to the second envelope space; the second target position enables the distance between the ceiling screen and the second envelope space to be equal to a set safety distance when the ceiling screen is at the preset angle;
the control module 40 is configured to:
and adjusting the ceiling screen to the second target position.
Optionally, the obtaining module 10 is configured to:
obtaining position coordinates and a backrest angle of a target seat; and obtaining the position of the backrest according to the position coordinates and the backrest angle.
Based on the same inventive concept of the previous embodiments, in yet another alternative embodiment, as shown in fig. 5, there is provided a controller 500 comprising a processor 520 and a memory 510, the memory 510 being coupled to the processor 520, the memory 510 storing a computer program 511, the computer program 511, when executed by the processor 520, causing the controller 500 to perform the steps of the control method of the previous embodiments.
Through one or more embodiments of the present invention, the present invention has the following advantageous effects or advantages:
the invention provides a linkage control method, a device and a controller of a ceiling screen and a seat, wherein the method comprises the steps of determining a first envelope space of a far-end air bag arranged at a target seat according to the position of a backrest of the target seat before the ceiling screen is started, namely the space profile of the far-end air bag in the unfolding process and after the unfolding is finished, determining a first target position of the ceiling screen based on the principle that the distance between the ceiling screen and the first envelope space of the far-end air bag is kept at a set safe distance, and starting the ceiling screen according to the first target position; compared with the traditional scheme of determining the arrangement position of the ceiling screen based on the most rear H point of the seat position, the scheme enables the position of the ceiling screen to be linked with the unfolding space position of the far-end air bag of the target seat, controls the position of the ceiling screen to be matched with the actual posture of the target seat, and keeps the distance between the ceiling screen and the unfolding envelope space of the far-end air bag at the limit position of the set safety distance, thereby increasing the distance between the eye point of a passenger positioned at the rear row of the target seat and the screen of the ceiling screen, solving the problem that the visual distance requirement of the ceiling screen is contradictory to the requirement of the unfolding envelope space of the far-end air bag of the target seat, and improving the utilization rate of the space in the vehicle while improving the viewing experience of the passengers at the rear row.
While the preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the present application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A linkage control method for a ceiling screen and a seat is characterized by comprising the following steps:
obtaining a first backrest position of a target seat;
determining a first envelope space of a distal air bag according to the first backrest position; the distal air bag is an air bag disposed at the target seat back;
determining a first target position of the ceiling screen according to the first envelope space; the first target position enables the distance between the ceiling screen and the first envelope space to be equal to a set safety distance;
responding to a starting instruction of the ceiling screen, and adjusting the ceiling screen to the first target position.
2. The method of claim 1, wherein the first target position places the ceiling screen at a preset angle, and a distance between the ceiling screen and the first envelope space is equal to the set safety distance.
3. The method of claim 2, wherein determining a first target location of the ceiling screen based on the first envelope space comprises:
determining a corresponding relation according to the first envelope space; the corresponding relation is a mapping relation between a translation position and an angle of the top absorbing screen, and the translation position and the angle enable the distance between the top absorbing screen and the first envelope space to be equal to the set safety distance;
and determining the first target position based on the preset angle and the corresponding relation.
4. The method of claim 3, wherein after the adjusting the ceiling screen to the first target position, the method further comprises:
acquiring translation position adjustment information and/or angle adjustment information sent by a ceiling screen remote controller;
and adjusting the ceiling screen based on the corresponding relation according to the translation position adjustment information and/or the angle adjustment information.
5. The method of claim 3, wherein after the adjusting the ceiling screen to the first target position, the method further comprises:
obtaining an eye position of a target object; the target object is a vehicle occupant located behind the target seat;
determining a target angle of the ceiling screen according to the eye position;
and adjusting the ceiling screen according to the target angle and the corresponding relation.
6. The method of claim 5, wherein determining the target angle of the ceiling screen based on the eye position comprises:
obtaining a connecting line according to the eye position and a set position on the ceiling screen;
and obtaining an included angle between the connecting line and the screen plane of the ceiling screen, and determining the ceiling screen angle which enables the included angle to be within a set range as the target angle.
7. The method of claim 2, wherein after the adjusting the ceiling screen to the first target position, the method further comprises:
obtaining a second backrest position of the target seat;
determining a second envelope space of the far-end air bag according to the second backrest position, and determining a second target position of the ceiling screen according to the second envelope space; the second target position enables the distance between the ceiling screen and the second envelope space to be equal to a set safety distance when the ceiling screen is at the preset angle;
and adjusting the ceiling screen to the second target position.
8. The method of claim 1, wherein the obtaining the position of the back of the target seat comprises:
obtaining position coordinates and a backrest angle of the target seat;
and obtaining the backrest position according to the position coordinates and the backrest angle.
9. A ceiling screen and seat coordinated control device, the device comprising:
the acquisition module is used for acquiring a first backrest position of the target seat;
the first determining module is used for determining a first envelope space of the far-end air bag according to the first backrest position; the distal air bag is an air bag disposed at the target seat back;
the second determining module is used for determining a first target position of the ceiling screen according to the first envelope space; the first target position enables the distance between the ceiling screen and the first envelope space to be equal to a set safety distance;
and the control module is used for responding to a starting instruction of the ceiling screen and adjusting the ceiling screen to the first target position.
10. A controller comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any one of claims 1 to 8 when executing the computer program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210517750.0A CN114771434A (en) | 2022-05-12 | 2022-05-12 | Linkage control method, device and controller for ceiling screen and seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210517750.0A CN114771434A (en) | 2022-05-12 | 2022-05-12 | Linkage control method, device and controller for ceiling screen and seat |
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| Publication Number | Publication Date |
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| CN114771434A true CN114771434A (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210517750.0A Pending CN114771434A (en) | 2022-05-12 | 2022-05-12 | Linkage control method, device and controller for ceiling screen and seat |
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| CN (1) | CN114771434A (en) |
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