CN115837870A - Automatic adjustment device and method for car seat backrest - Google Patents

Abstract

The invention discloses an automatic adjustment device, system, electronic equipment and medium for the backrest of a car seat. The device includes: a pressure sensor arranged inside the backrest of the seat for detecting pressure; the automatic adjustment mechanism is arranged between the seat back and the force-bearing back surface; the central control unit is used to receive the pressure value detected by the pressure sensor, and is used to send control instructions to the automatic adjustment mechanism to adjust the shape of the seat back where the pressure sensor is located. The invention can automatically adjust the seat back according to the pressure value detected on the seat back to adapt to the sitting postures of different drivers or passengers, so as to improve the comfort and adjustment convenience of the car seat.

Description

Automatic adjustment device and method for automobile seat backrest

technical field

The invention relates to an automobile seat backrest device, in particular to an automatic adjustment device, method, electronic equipment and medium for an automobile seat backrest.

Background technique

When the driver drives for a long time or the passenger sits in the car for a long time, if the car seat is not suitable, it will increase people's fatigue. Most of the seats equipped on the car are configured when the vehicle leaves the factory or are configured by the customer later. Generally speaking, seats are not replaced frequently, but the driver or passenger who uses the vehicle will often change, and the seat with a fixed configuration cannot well match the physiological curve of each driver's or passenger's spine, so it is likely to increase The driver's fatigue, or it is easy to bring discomfort to passengers with spondylosis.

Contents of the invention

Based on the above-mentioned status quo, the main purpose of the present invention is to provide an automatic adjustment device, method, electronic equipment and medium for the backrest of a car seat, which can automatically adjust the backrest of the seat according to the pressure value detected on the backrest of the seat, so that it can adapt to different The sitting position of the driver or passenger to improve the comfort and adjustment convenience of the car seat.

To achieve the above object, the technical scheme adopted in the present invention is as follows:

The first aspect of the present invention provides an automatic adjustment device for the backrest of a car seat. The rear side of the backrest of the seat is provided with a backrest surface under force. The device includes:

a pressure sensor, arranged inside the seat back, for detecting the pressure on the seat back;

an automatic adjustment mechanism, arranged between the seat back and the force-bearing backrest;

The central control unit is configured to receive the pressure value detected by the pressure sensor, and to send a control command to the automatic adjustment mechanism to adjust the shape of the seat back where the pressure sensor is located.

Preferably, the automatic adjustment mechanism includes:

a support unit, arranged between the seat back and the force-bearing back surface and abutting against the rear side of the seat back at a position corresponding to the pressure sensor;

An electric actuator unit is arranged between the support unit and the force-receiving backrest surface, and is used to push the support unit forward or backward according to the control instruction.

Preferably, the surface of the seat back is wrapped with a cover, and the support unit interferes with the seat back via the cover.

Preferably, the number of the pressure sensors is set according to the size of the seat back, and the number of the automatic adjustment mechanism is the same as the number of the pressure sensors.

Preferably, the number of the pressure sensors is multiple, and the multiple pressure sensors are evenly arranged along the up and down direction of the seat back, and the multiple automatic adjustment mechanisms corresponding to the multiple pressure sensors are arranged along the seat back. The up and down directions of the backrest are evenly arranged.

Preferably, the control instruction includes a displacement parameter, the displacement parameter is determined by the central control unit according to the comparison result between the pressure value and the preset threshold range, and is used for the automatic adjustment mechanism to adjust the position of the seat back. shape.

The second aspect of the present invention provides an automatic adjustment method for the back of a car seat. The rear side of the seat back is provided with a force-bearing back surface, and a pressure sensor is preset inside the seat back. An automatic adjustment mechanism is set between the back of the force-bearing backrest,

The method comprises the steps of:

S100, setting a preset threshold range for evaluating the pressure on the seat back;

S200, reading the pressure value of the pressure sensor;

S300, comparing the pressure value with the preset threshold range,

If the pressure value is within the preset threshold range, the adjustment ends;

If the pressure value is not within the preset threshold range, enter step S400;

S400. Send a control command to the automatic adjustment mechanism to adjust the curvature of the seat back, and return to step S200.

Preferably, the car is provided with a central control unit, and the automatic adjustment mechanism includes a support unit and an electric execution unit, wherein:

The support unit is arranged between the seat back and the force-bearing back surface and is in contact with the rear side of the seat back at a position corresponding to the pressure sensor;

The electric execution unit is arranged between the support unit and the force-bearing back surface, and is used to push the support unit forward or backward according to the control instruction;

The step S300 includes the following steps:

S310, sending the pressure value to the central control unit;

The step S400 includes the following steps:

S410, if the pressure value is greater than the maximum value of the preset threshold range, the central control unit sends a first control instruction to the electric actuator unit, and the electric actuator unit pushes the The support unit retreats;

If the pressure value is less than the minimum value of the preset threshold range, the central control unit sends a second control instruction to the electric actuator unit, and the electric actuator unit pushes the support according to the second control instruction Unit advances.

Preferably, the step S400 also includes the following steps:

S420, the central control unit determines a displacement parameter included in the control instruction according to a comparison result between the pressure value and a preset threshold range;

S430, the electric actuator unit pushes the support unit forward or backward according to the displacement parameter.

Preferably, the number of the pressure sensors is multiple, and the multiple pressure sensors are evenly arranged along the up and down direction of the seat back, and the multiple automatic adjustment mechanisms corresponding to the multiple pressure sensors are arranged along the seat back. The up and down directions of the backrest are evenly arranged.

A third aspect of the present invention provides an electronic device, including: a processor; and a memory, on which a computer program is stored, and when the computer program is executed by the processor, it can realize the above-mentioned second aspect. The automatic adjustment method of the car seat back described above.

A fourth aspect of the present invention provides a computer-readable storage medium, on which a computer program is stored, and the computer program is used to run to realize the automatic adjustment method for the backrest of a car seat as described in the second aspect above.

Compared with the prior art, the present invention has obvious advantages and beneficial effects, and it has at least the following advantages:

The automatic adjustment device of the automobile seat back of the present invention pre-sets the pressure sensor inside the seat back, and the central control unit sends a control command to the automatic adjustment mechanism according to the pressure value detected by the pressure sensor received, so that the automatic adjustment The mechanism adjusts the curvature of the seat back according to the control command, so that the curvature of the seat back can better fit the back of the driver or passenger, so that the back of the car seat can automatically adapt to the needs of different drivers or passengers. The sitting posture helps to reduce the fatigue of the occupants in the car for a long time, and can better protect the spine of the driver or passenger, effectively improving the comfort of the car seat and the convenience of adjusting the seat back.

Compared with the existing seat back adjustment method, the automatic adjustment method of the automobile seat back of the present invention can automatically adjust the curvature of the seat back according to the pressure value detected by the pressure sensor, which is more suitable for the driver. Or passengers' riding needs, and when applied to the interior of a car with limited space, it can more conveniently realize the adjustment of the seat back, without the need for the driver or passengers to operate to meet the personal riding needs, which helps to improve the riding experience.

The electronic device and the computer-readable storage medium of the present invention can adjust the backrest of the car seat according to different drivers or passengers by adopting the above-mentioned automatic adjustment method, so as to better fit the back of the driver or passenger, Reduce the fatigue of long-time rides and improve the ride experience.

Description of drawings

Fig. 1 is the structural representation of the automatic adjustment device of automobile seat back of the present invention;

Fig. 2 is a schematic flow chart of the automatic adjustment method for the backrest of a car seat according to the present invention.

Explanation of reference signs:

1 Seat back, 11 Cover, 2 Forced backrest, 3 Pressure sensor, 4 Automatic adjustment mechanism, 41 Support unit, 42 Electric execution unit, 5 Central control unit.

Detailed ways

In order to further explain the technical means and effects that the present invention takes to achieve the intended invention purpose, the automatic adjustment device, method, electronic equipment and computer for the backrest of a car seat proposed according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. The readable storage medium, its specific implementation methods, methods, steps, features and effects are described in detail below.

In this embodiment, in the case of no contrary description, in the description of the coordinate axes, the X direction is the front and rear direction of the vehicle, and X+ is the front direction of the vehicle; the Y direction is the left and right direction of the vehicle, and Y+ is the right side door direction The inner direction; the Z direction is the up and down direction of the vehicle, and Z- is the direction that the roof points to the ground; in addition, the side pointed by the arrow is "up", otherwise it is "down"; "inner" and "outer" are corresponding Outlines of components are defined as references, and the above definitions are only used to assist in describing the embodiments and should not be construed as limitations.

Referring to Fig. 1, a kind of automatic adjustment device of car seat back, the rear side of described seat back 1 is provided with force-bearing back surface 2, and described device comprises:

The pressure sensor 3 is arranged inside the seat back 1 and is used to detect the pressure on the seat back 1;

The automatic adjustment mechanism 4 is arranged between the seat back 1 and the stressed back surface 2;

The central control unit 5 is used to receive the pressure value detected by the pressure sensor 3 and send a control instruction to the automatic adjustment mechanism 4 to adjust the shape of the seat back 1 where the pressure sensor is located.

Specifically, the front side of the seat back is X+, that is, the direction of the front of the vehicle, and the rear side of the seat back is X-, that is, the direction of the rear of the vehicle. The dotted line in the figure is used to indicate the direction of signal transmission, where the signal can be the pressure value sent by the pressure sensor to the central control unit, or the control instruction sent by the central control unit to the automatic adjustment mechanism.

Thus, a pressure sensor is preset inside the seat back, and the central control unit sends a control instruction to the automatic adjustment mechanism according to the pressure value detected by the pressure sensor received, so that the automatic adjustment mechanism adjusts the position of the seat back according to the control instruction. The curvature of the seat back can be adjusted to better fit the back of the driver or passenger, so that the back of the car seat can automatically adapt to different sitting postures of the driver or passenger, which helps to relieve the occupants in the car. It can better protect the spine of the driver or passenger, effectively improve the comfort of the car seat and the convenience of adjusting the seat back.

As an optional embodiment, the automatic adjustment mechanism 4 includes:

The support unit 41 is arranged between the seat back 1 and the force-bearing back surface 2 and is in contact with the rear side of the seat back 1 corresponding to the position of the pressure sensor 3;

The electric actuator unit 42 is arranged between the support unit 41 and the force-receiving back surface 2, and is used to push the support unit 41 forward or backward according to the control instruction.

Specifically, referring to FIG. 1 , a support unit 41 and an electric actuator unit 42 are provided between the rear side of the seat back 1 and the force-bearing back surface 2 . Wherein, the contact position between the support unit 41 and the rear side of the seat back 1 is matched with the position of the corresponding pressure sensor 3, so that the support unit advances or retreats under the push of the electric actuator unit, and through this automatic adjustment method the The pressure sensed by the pressure sensor is adjusted within the preset threshold range, thereby changing the shape of the seat back where the pressure sensor is located to better fit the back of the driver or passenger and improve ride comfort.

As an optional embodiment, a cover is wrapped on the surface of the seat back, and the support unit interferes with the seat back through the cover.

Referring to FIG. 1 , the cover 11 is wrapped on the surface of the seat back, the pressure sensor is arranged inside the space formed by the cover wrap, and the supporting unit 41 is in contact with the cover 11 at a position corresponding to the position of the pressure sensor. When the support unit 41 advances or retreats, on the one hand, the adjustment of the shape of the seat back is realized, so that the shape of the seat back is more suitable for the back of the driver or passenger; on the one hand, the pressure value of the pressure sensor is changed to adjust the pressure value within the preset threshold range.

As an optional embodiment, the number of the pressure sensors is set according to the size of the seat back, and the number of the automatic adjustment mechanism is the same as the number of the pressure sensors.

Specifically, according to the size of the seat back, multiple pressure sensors can be arranged inside it, so that the adjustment granularity of the shape of the seat back can be finer, and the sitting posture requirements of different passengers can be met. Correspondingly, a corresponding automatic adjustment mechanism is set corresponding to each pressure sensor between the seat back and the force-bearing back surface, so that the support unit of each automatic adjustment mechanism can move forward or backward as required, thereby changing the position of the seat. The seat back is shaped to fit the seating requirements where each pressure sensor is located.

As a further improvement of the above embodiment, the number of the pressure sensors is multiple, the multiple pressure sensors are evenly arranged along the up and down direction of the seat back, and multiple automatic adjustment mechanisms are provided corresponding to the multiple pressure sensors Evenly arranged along the up and down direction of the seat back.

Referring to FIG. 1 , three pressure sensors 3 are basically arranged inside the seat back 1 along the Z direction (that is, the up and down direction of the vehicle). The characteristics of the curves and the riding requirements carry out the layout of the upper and lower positions. It should be noted that the specific number of pressure sensors may be determined according to the size of the seat back in the Z direction and/or the adjustment requirements for the curvature of the seat back. Correspondingly, the same number of automatic adjustment mechanisms 4 are arranged between the seat back 1 and the force-bearing back surface 2 , and each automatic adjustment mechanism 4 includes a support unit 41 and an electric actuator unit 42 . Each pressure sensor sends the detected pressure value to the central control unit 5 .

Therefore, by arranging a plurality of pressure sensors roughly along the up and down direction of the vehicle, it can better fit the back of the driver or passenger, meet the sitting posture requirements of the human spine curve, and help improve ride comfort and reduce fatigue. It can also help protect the spine.

As an optional embodiment, the control instruction includes a displacement parameter, the displacement parameter is determined by the central control unit according to the comparison result between the pressure value and the preset threshold range, and is used for the automatic adjustment mechanism to adjust the The shape of the seat back.

Among them, the central control unit compares the pressure value received from the pressure sensor with the preset threshold range, and determines whether to send a control command to the automatic adjustment mechanism according to the comparison result. Displacement parameter to adjust the shape of the seat back where the pressure sensor is located. Specifically, the automatic adjustment mechanism includes a support unit and an electric execution unit. After receiving the control command, the electric execution unit determines the specific displacement value of the support unit to advance or retreat according to the displacement parameter, and controls the support unit to make a corresponding advance or retreat. The position is moved to change the pressure value of the pressure sensor and the shape of the corresponding position of the seat back.

Referring to Fig. 2, a kind of automatic adjustment method of the back of a car seat, the rear side of the seat back is provided with a stressed back surface, the interior of the seat back is preset with a pressure sensor, the seat back and the stressed An automatic adjustment mechanism is set between the back of the force support,

The method comprises the steps of:

S100, setting a preset threshold range for evaluating the pressure on the seat back;

S200, reading the pressure value of the pressure sensor;

S300, comparing the pressure value with the preset threshold range,

If the pressure value is within the preset threshold range, the adjustment ends;

If the pressure value is not within the preset threshold range, enter step S400;

S400. Send a control command to the automatic adjustment mechanism to adjust the curvature of the seat back, and return to step S200.

Specifically, with regard to step S100, the preset threshold range of pressure on the seat back can be determined according to experimental tests and/or use experience values, and can be updated in real time, making the automatic adjustment of the seat back more humane and improving ride comfort .

Through the above steps, the curvature of the seat back can be adjusted automatically according to the pressure value detected by the pressure sensor, which is more in line with the riding needs of the driver or passenger, and it can be more convenient when applied to the interior of a car with limited space. The seat back can be adjusted to meet individual riding needs without the need for the driver or passengers to operate, which helps to improve the riding experience.

As an optional embodiment, the car is provided with a central control unit, and the automatic adjustment mechanism includes a support unit and an electric execution unit, wherein:

The support unit is arranged between the seat back and the force-bearing back surface and is in contact with the rear side of the seat back at a position corresponding to the pressure sensor;

The electric execution unit is arranged between the support unit and the force-bearing back surface, and is used to push the support unit forward or backward according to the control instruction;

The step S300 includes the following steps:

S310, sending the pressure value to the central control unit;

The step S400 includes the following steps:

S410, if the pressure value is greater than the maximum value of the preset threshold range, the central control unit sends a first control instruction to the electric actuator unit, and the electric actuator unit pushes the The support unit retreats;

If the pressure value is less than the minimum value of the preset threshold range, the central control unit sends a second control instruction to the electric actuator unit, and the electric actuator unit pushes the support according to the second control instruction Unit advances.

Through the above steps, the central control unit will compare the pressure value received from the pressure sensor with the preset threshold range, and determine whether to send a control command to the automatic adjustment mechanism according to the comparison result. A displacement parameter is included to adjust the shape of the seat back where the pressure sensor is located. Specifically, the automatic adjustment mechanism includes a support unit and an electric execution unit. After receiving the control command, the electric execution unit determines the specific displacement value of the support unit to advance or retreat according to the displacement parameter, and controls the support unit to make a corresponding advance or retreat. The position is moved to change the pressure value of the pressure sensor and the shape of the corresponding position of the seat back. If the pressure value is too large, the electric actuator unit controls the support unit to retreat; if the pressure value is too small, the electric actuator unit controls the support unit to move forward. Through such automatic adjustment, the pressure value of the pressure sensor is within the preset threshold range, and Change the shape of the seat back to better fit the driver or passenger's back.

As an optional embodiment, the step S400 also includes the following steps:

S420, the central control unit determines a displacement parameter included in the control instruction according to a comparison result between the pressure value and a preset threshold range;

S430, the electric actuator unit pushes the support unit forward or backward according to the displacement parameter.

Through the above steps, after the electric execution unit receives the control command, it determines the specific displacement value of the support unit to move forward or backward according to the displacement parameter, and controls the support unit to make a corresponding forward or backward position movement, wherein the displacement parameter can be according to The use needs and adjustment accuracy requirements are determined, so that the displacement distance of the support unit can be reasonably and accurately controlled, so that the automatic adjustment of the seat back meets the use requirements.

As an optional embodiment, the number of the pressure sensors is multiple, and the multiple pressure sensors are evenly arranged along the up and down direction of the seat back, and the multiple automatic adjustment mechanisms corresponding to the multiple pressure sensors are arranged along the The up and down directions of the seat back are evenly arranged.

Through the above steps, a plurality of pressure sensors are arranged roughly along the up and down direction of the vehicle, which can better fit the back of the driver or passenger, meet the sitting posture requirements of the human spine curve, and help improve ride comfort and reduce fatigue. It can also help protect the spine.

The present invention also provides an electronic device, including: a processor; and a memory, on which a computer program is stored, and when the computer program is executed by the processor, the car seat as described in the above-mentioned embodiments can be realized. Automatic adjustment method of chair backrest.

The present invention also provides a computer-readable storage medium, on which a computer program is stored, and the computer program is used to run to realize the method for automatically adjusting the backrest of a car seat as described in the above-mentioned embodiments.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this field Those skilled in the art, without departing from the scope of the technical solution of the present invention, can use the technical content disclosed above to make some changes or modify them into equivalent embodiments with equivalent changes, but any content that does not depart from the technical solution of the present invention, according to the present invention Any simple modifications, equivalent changes and modifications made to the above embodiments by the technical essence still belong to the scope of the technical solution of the present invention.

Claims (12)

1. An automatic adjusting device of car seat back characterized in that, the rear side of seat back sets up the atress back face, the device includes:

the pressure sensor is arranged inside the seat backrest and used for detecting the pressure applied to the seat backrest;

the automatic adjusting mechanism is arranged between the seat backrest and the stressed backrest surface;

and the central control unit is used for receiving the pressure value detected by the pressure sensor and sending a control command to the automatic adjusting mechanism so as to adjust the shape of the seat backrest at the position of the pressure sensor.

2. The automatic adjustment device of claim 1, wherein the automatic adjustment mechanism comprises:

the supporting unit is arranged between the seat backrest and the stressed backrest surface and is abutted against the rear side surface of the seat backrest at the position corresponding to the pressure sensor;

and the electric execution unit is arranged between the supporting unit and the stressed backrest surface and is used for pushing the supporting unit to move forwards or backwards according to the control instruction.

3. The automatic adjustment device of claim 2, wherein a surface of the seat back is wrapped with a cover, the support unit abutting the seat back via the cover.

4. The automatic adjusting device according to claim 1, characterized in that the number of the pressure sensors is set according to the size of the seat back, and the number of the automatic adjusting mechanisms is the same as the number of the pressure sensors.

5. The automatic adjusting apparatus according to claim 4, characterized in that the number of the pressure sensors is plural, plural pressure sensors are arranged uniformly in an up-down direction of the seat back, and plural automatic adjusting mechanisms provided in correspondence with the plural pressure sensors are arranged uniformly in the up-down direction of the seat back.

6. The automatic adjustment device of claim 2, characterized in that said control command comprises a displacement parameter determined by said central control unit as a function of a comparison of said pressure value with a preset threshold range and used by said automatic adjustment mechanism to adjust the shape of said seat back.

7. An automatic adjusting method of an automobile seat backrest is characterized in that a stressed backrest surface is arranged at the rear side of the seat backrest, a pressure sensor is preset in the seat backrest, an automatic adjusting mechanism is arranged between the seat backrest and the stressed backrest surface,

the method comprises the following steps:

s100, setting a preset threshold range for evaluating the pressure applied to the seat back;

s200, reading a pressure value of the pressure sensor;

s300, comparing the pressure value with the preset threshold range,

if the pressure value is within the preset threshold range, the adjustment is finished;

if the pressure value is not within the preset threshold range, the step S400 is executed;

s400, sending a control command to the automatic adjusting mechanism to adjust the curvature of the seat back, and returning to the step S200.

8. The automatic adjustment method according to claim 7, wherein a central control unit is provided on the automobile, and the automatic adjustment mechanism includes a support unit and an electric actuator unit, wherein:

the supporting unit is arranged between the seat backrest and the stressed backrest surface and is abutted against the rear side surface of the seat backrest at the position corresponding to the pressure sensor;

the electric execution unit is arranged between the supporting unit and the stressed backrest surface and used for pushing the supporting unit to move forwards or backwards according to the control instruction;

the step S300 includes the following steps:

s310, sending the pressure value to the central control unit;

the step S400 includes the following steps:

s410, if the pressure value is larger than the maximum value of the preset threshold range, the central control unit sends a first control instruction to the electric execution unit, and the electric execution unit pushes the supporting unit to retreat according to the first control instruction;

if the pressure value is smaller than the minimum value of the preset threshold range, the central control unit sends a second control instruction to the electric execution unit, and the electric execution unit pushes the supporting unit to advance according to the second control instruction.

9. The automatic adjusting method according to claim 8, wherein the step S400 further comprises the steps of:

s420, the central control unit determines a displacement parameter contained in the control instruction according to a comparison result of the pressure value and a preset threshold range;

and S430, the electric execution unit pushes the supporting unit to move forwards or backwards according to the displacement parameters.

10. The automatic adjusting method according to claim 7, wherein the number of the pressure sensors is plural, a plurality of the pressure sensors are arranged uniformly in an up-down direction of the seat back, and a plurality of the automatic adjusting mechanisms provided in correspondence with the plurality of the pressure sensors are arranged uniformly in the up-down direction of the seat back.

11. An electronic device, comprising:

a processor; and

memory on which a computer program is stored which, when being executed by the processor, is capable of implementing the method of automatic adjustment of a vehicle seat back according to any one of claims 7 to 10.

12. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program is operative to implement the automatic adjustment method of a car seat back according to any one of claims 7 to 10.

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