Automobile moving seat device and control method thereof

Abstract

The application provides a car mobile seat device and a control method thereof, and relates to the technical field of car seats, wherein a first distance sensor is arranged to measure the distance between the front part of the car and an obstacle; a pressure sensor is arranged to generate a pressure signal when the car collides with the obstacle; a second distance sensor is arranged to measure the distance between the driver and the steering wheel of the car; a comparator is arranged to start a first actuating mechanism to adjust the tightness of the safety belt when the first distance is less than a first distance threshold value, to obtain the second distance when the pressure signal is received, and to start a second actuating mechanism to control the car seat to move away from the steering wheel of the car when the second distance is less than a second distance threshold value. The first actuating mechanism and the second actuating structure are arranged to adjust the tightness of the safety belt and the distance between the driver and the steering wheel of the car, thereby reducing the damage to the driver when the car collides.

Description

Technical Field

[0001] This invention relates to the field of automotive seat technology, and in particular to an automotive movable seat device and its control method. Background Technology

[0002] In recent years, the accident rate of vehicle collisions has been increasing. When an accident occurs, due to prolonged driving, the driver's driving posture and position may deviate, and the seat belt and airbag may not be able to play their best protective role, thus making the driver's injury particularly serious. Summary of the Invention

[0003] The purpose of this invention is to provide a car movable seat device and its control method, which can adjust the tightness of the seat belt and the distance between the driver and the car steering wheel, thereby reducing the injury to the driver in the event of a vehicle collision.

[0004] To achieve the above objectives, the present invention provides the following solution:

[0005] A mobile car seat device, comprising:

[0006] A first distance sensor, a second distance sensor, a pressure sensor, a comparator, a first actuator, and a second actuator structure;

[0007] The first distance sensor is disposed at the front of the vehicle; the first distance sensor is used to measure a first distance; the first distance is the distance between the front of the vehicle and an obstacle.

[0008] The pressure sensor is located at the front of the vehicle; the pressure sensor is used to generate a pressure signal when the vehicle collides with an obstacle.

[0009] The second distance sensor is mounted on the car steering wheel; the second distance sensor is used to measure a second distance; the second distance is the distance between the driver and the car steering wheel;

[0010] The comparator is connected to the first distance sensor, the second distance sensor, the pressure sensor, the first actuator, and the second actuator, respectively; the first actuator is connected to the seat belt; and the second actuator is connected to the car seat.

[0011] The comparator is used to activate the first actuator when the first distance is less than a first distance threshold; the first actuator is used to adjust the tightness of the seat belt.

[0012] The comparator is also used to acquire the second distance when the pressure signal is received, and to activate the second actuator when the second distance is less than a second distance threshold; the second actuator is used to control the car seat to move away from the car steering wheel.

[0013] Optionally, the first actuator is a first motor;

[0014] The first motor is connected to the comparator and the vehicle's seatbelt shaft; the seatbelt shaft is connected to one end of the seatbelt.

[0015] The first motor is used to control the rotation of the seat belt shaft when the first distance is less than a first distance threshold, so as to adjust the tightness of the seat belt.

[0016] Optionally, the second actuator includes:

[0017] Transfer unit and second motor;

[0018] The transfer unit is located at the bottom of the car seat; the second motor is connected to both the transfer unit and the comparator.

[0019] Optionally, the transfer unit includes:

[0020] Gears and racks;

[0021] The rack is disposed at the bottom of the car seat; the gear is matched and connected to the rack; the gear is connected to the second motor.

[0022] Optionally, the number of gears is at least two.

[0023] A control method for an automotive movable seat device, the method being applied to the automotive movable seat device, the method comprising:

[0024] The distance between the front of the car and the obstacle is taken as the first distance;

[0025] The first actuator is activated when the first distance is less than a first distance threshold; the first actuator is used to adjust the tightness of the seat belt.

[0026] Optionally, the method further includes:

[0027] Upon receiving a pressure signal, the distance between the driver and the steering wheel of the car is obtained as a second distance; the pressure signal is generated when the car collides with an obstacle.

[0028] The second actuator is activated when the second distance is less than the second distance threshold; the second actuator is used to control the car seat to move away from the car steering wheel.

[0029] Optionally, in the method, the second distance threshold is 250 mm.

[0030] According to specific embodiments provided by the present invention, the present invention discloses the following technical effects:

[0031] This invention provides a car movable seat device and its control method, including a first distance sensor, a second distance sensor, a pressure sensor, a comparator, a first actuator, and a second actuator. The first distance sensor is disposed at the front of the car and is used to measure a first distance, which is the distance between the front of the car and an obstacle. The pressure sensor is disposed at the front of the car and is used to generate a pressure signal when the car collides with the obstacle. The second distance sensor is disposed on the car steering wheel and is used to measure a second distance, which is the distance between the driver and the car steering wheel. The comparator is connected to the first distance sensor, the second distance sensor, the pressure sensor, the first actuator, and the second actuator. The first actuator is connected to the seat belt. The second actuator is connected to the car seat. The comparator is used to activate the first actuator when the first distance is less than a first distance threshold. The first actuator is used to adjust the tightness of the seat belt. The comparator is also used to acquire the second distance when receiving a pressure signal and to activate the second actuator when the second distance is less than the second distance threshold. The second actuator is used to control the car seat to move away from the car steering wheel. By setting up a first actuator and a second actuator, the present invention can adjust the tightness of the seat belt and the distance between the driver and the steering wheel of the car, thereby reducing the injury to the driver in the event of a vehicle collision. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0033] Figure 1 This is a schematic diagram of the automotive movable seat device in Embodiment 1 of the present invention;

[0034] Figure 2 This is a schematic diagram showing the position of the actuator in Embodiment 1 of the present invention;

[0035] Figure 3 This is a schematic diagram of the structure of the first actuator in Embodiment 1 of the present invention;

[0036] Figure 4 This is a rear view of a car seat in Embodiment 1 of the present invention;

[0037] Figure 5 This is a side view of the transfer unit in Embodiment 1 of the present invention;

[0038] Figure 6 This is a front view of the transfer unit in Embodiment 1 of the present invention;

[0039] Figure 7 This is a flowchart of the control method for the car moving seat device in Embodiment 2 of the present invention.

[0040] Explanation of reference numerals in the attached drawings: 1-Car seat; 2-Rack and pinion; 3-Gear; 4-Second motor; 5-Second distance sensor; 6-Comparator; 7-Pressure sensor; 8-First distance sensor; 9-Second actuator; 10-First actuator; 11-First motor; 12-Seat belt; 13-Seat belt pivot; 14-Barrier structure. Detailed Implementation

[0041] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0042] The purpose of this invention is to provide a car movable seat device and its control method, which can adjust the tightness of the seat belt and the distance between the driver and the car steering wheel, thereby reducing the injury to the driver in the event of a vehicle collision.

[0043] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0044] Example 1

[0045] like Figure 1-2As shown, this embodiment provides a car movable seat device, including: a first distance sensor 8, a second distance sensor 5, a pressure sensor 7, a comparator 6, a first actuator 10, and a second actuator structure; the first distance sensor 8 is disposed at the front of the car; the first distance sensor 8 is used to measure a first distance; the first distance is the distance between the front of the car and an obstacle; the pressure sensor 7 is disposed at the front of the car; the pressure sensor 7 is used to generate a pressure signal when the car collides with the obstacle; the second distance sensor 5 is disposed on the car steering wheel; the second distance sensor 5 is used to measure a second distance; the second distance is the distance between the driver and the car steering wheel. The comparator 6 is connected to the first distance sensor 8, the second distance sensor 5, the pressure sensor 7, the first actuator 10, and the second actuator 9, respectively. The first actuator 10 is connected to the seat belt 12. The second actuator 9 is connected to the car seat 1. The comparator 6 is used to activate the first actuator 10 when the first distance is less than the first distance threshold. The first actuator 10 is used to adjust the tightness of the seat belt 12. The comparator 6 is also used to obtain the second distance when a pressure signal is received, and to activate the second actuator 9 when the second distance is less than the second distance threshold. The second actuator 9 is used to control the car seat 1 to move away from the steering wheel.

[0046] Among them, such as Figure 3 As shown, the first actuator 10 is a first motor 11; the first motor 11 is connected to the comparator 6 and the seat belt shaft 13 of the vehicle; the seat belt shaft 13 is connected to one end of the seat belt 12; the first motor 11 is used to control the rotation of the seat belt shaft 13 when the first distance is less than the first distance threshold, so as to adjust the tension of the seat belt 12. In addition, the two ends of the seat belt shaft 13 are provided with a retaining structure 14 to prevent the seat belt 12 from shifting position. When the first distance is less than the first distance threshold, an electrical signal is transmitted from the ECU controller to the first motor 11 that controls the seat belt 12 to retract, tightening the seat belt 12 and keeping the driver in a good driving posture.

[0047] Specifically, such as Figure 4-6 As shown, the second actuator 9 includes a transfer unit and a second motor 4; the transfer unit is disposed at the bottom of the vehicle seat 1; the second motor 4 is connected to both the transfer unit and the comparator 6. The transfer unit includes a gear 3 and a rack 2; the rack 2 is disposed at the bottom of the vehicle seat 1; the gear 3 is matched and connected to the rack 2; the gear 3 is connected to the second motor 4. The number of gears 3 is at least two.

[0048] Example 2

[0049] This embodiment provides a mobile car seat device, which is generally divided into a warning module and an execution module; the warning module is further divided into two parts: warning detection and warning response. Structurally, it consists of a distance sensor (i.e., a first distance sensor), a distance sensor B (i.e., a second distance sensor), a pressure sensor A, and an ECU (electronic control unit, i.e., a comparator). Figure 7 As shown, a distance sensor A and a pressure sensor are installed at the front of the car. When the car starts, the ECU receives signals from both sensors in real time. When distance sensor A detects that the longitudinal distance to a forward obstacle reaches a threshold, a warning response is initiated. At this time, the seatbelt warning activates, adjusting the driver to the optimal driving posture. Then, when the vehicle collides with a forward obstacle, when the ECU detects that the pressure sensor A signal reaches a threshold, the ECU sends a signal to the actuator based on the signal source. The actuator module is structurally divided into a second control motor, gears, and a rack. When the second control motor receives the collision signal from the pressure sensor A at the front of the car, distance sensor B, mounted on the steering wheel, measures the distance between the steering wheel and the driver's chest. When the detected distance is less than 250mm, the signals from pressure sensor A and distance sensor B are transmitted to the second motor. The second motor starts, causing the gear to rotate. The gear meshes with the rack under the seat, and the rack, driven by the gear, moves the seat backward, making the distance between the steering wheel and the driver's chest greater than 250mm, allowing the airbag to perform optimally.

[0050] Example 3

[0051] This embodiment provides a control method for an automotive movable seat device. The method is applied to the automotive movable seat device described in the embodiment and includes:

[0052] The distance between the front of the car and the obstacle is taken as the first distance.

[0053] The first actuator is activated when the first distance is less than the first distance threshold; the first actuator is used to adjust the tightness of the seat belt.

[0054] The distance between the driver and the steering wheel is obtained when a pressure signal is received as the second distance; the pressure signal is generated when the car collides with an obstacle.

[0055] The second actuator is activated when the second distance is less than the second distance threshold; the second actuator is used to control the car seat to move away from the car steering wheel.

[0056] The second distance threshold is 250mm.

[0057] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the systems disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the descriptions are relatively simple; relevant parts can be referred to the method section.

[0058] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of the present invention. Furthermore, those skilled in the art will recognize that, based on the ideas of the present invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A mobile car seat device, characterized in that, include: A first distance sensor, a second distance sensor, a pressure sensor, a comparator, a first actuator, and a second actuator; The first distance sensor is disposed at the front of the vehicle; the first distance sensor is used to measure a first distance; the first distance is the distance between the front of the vehicle and an obstacle. The pressure sensor is located at the front of the vehicle; the pressure sensor is used to generate a pressure signal when the vehicle collides with an obstacle. The second distance sensor is mounted on the car steering wheel; the second distance sensor is used to measure a second distance; the second distance is the distance between the driver and the car steering wheel; The comparator is connected to the first distance sensor, the second distance sensor, the pressure sensor, the first actuator, and the second actuator, respectively; the first actuator is connected to the seat belt; and the second actuator is connected to the car seat. The comparator is used to activate the first actuator when the first distance is less than a first distance threshold; the first actuator is used to adjust the tightness of the seat belt. The comparator is also configured to acquire the second distance upon receiving the pressure signal, and to activate the second actuator when the second distance is less than a second distance threshold; the second actuator is configured to control the car seat to move away from the car steering wheel; The first actuator is a first motor; The first motor is connected to the comparator and the vehicle's seatbelt shaft; the seatbelt shaft is connected to one end of the seatbelt. The first motor is used to control the rotation of the seat belt shaft when the first distance is less than a first distance threshold, so as to adjust the tightness of the seat belt; The second executing agency includes: Transfer unit and second motor; The second motor is connected to both the transfer unit and the comparator. The transfer unit includes: Gears and racks; The rack is disposed at the bottom of the car seat; the gear is matched and connected to the rack; the gear is connected to the second motor.

2. The automotive movable seat device according to claim 1, characterized in that, The number of gears is at least two.

3. A control method for a car movable seat device, characterized in that, The method is applied to the automotive movable seat device according to any one of claims 1-2, and the method includes: The distance between the front of the car and the obstacle is taken as the first distance; The first actuator is activated when the first distance is less than a first distance threshold; the first actuator is used to adjust the tightness of the seat belt. Upon receiving a pressure signal, the distance between the driver and the steering wheel of the car is obtained as a second distance; the pressure signal is generated when the car collides with an obstacle. The second actuator is activated when the second distance is less than the second distance threshold; the second actuator is used to control the car seat to move away from the car steering wheel.

4. The control method for the automotive movable seat device according to claim 3, characterized in that, The second distance threshold is 250mm.

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