KR101921711B1 - Vehicle Seat with Air Mat - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile seat having an air mat inserted therein, and more particularly, to an automobile seat in which an air mat, which is a three-dimensional space, is inserted into the buttocks, lumbar vertebrae and thoracic vertebrae of an automobile seat, The present invention relates to an automobile seat in which an air mat is inserted so as to provide suitable comfort and comfort that can be sensed by different users.

Description

Vehicle Seat with Air Mat "

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an automobile seat having an air mat inserted therein, more specifically, an air mat, which is a three-dimensional space, is inserted into the buttocks, lumbar vertebrae, To an automobile seat in which an air mat is inserted which can provide a comfortable feeling and a comfortable feeling different from one body to another.

BACKGROUND ART [0002] Generally, an automobile seat is composed of a buttock receiving portion contacting the hips of an occupant and a backrest portion formed on one side of the buttock receiving portion to support a back of a passenger. Further, the sheet is covered with a cloth made of a fiber material or leather, and a cushion member capable of absorbing impact is built in the inside.

As a method for increasing the sense of cushioning, in order to provide comfort and comfort to passengers seated on a car seat as disclosed in Korean Patent Laid-Open No. 10-2004-0098293 (" Automobile Seat " A technique of inserting a cushion is disclosed. However, since the body shape differs from one occupant to another, some people feel comfort and comfort depending on the shape of the seat, and some people feel inconvenience.

In addition, since the airbag of a vehicle is generally set to be blown at a constant pressure, a child or a person with a small body may be injured by excessive air bag pressure of the vehicle. Therefore, there is a technology to detect whether a user is seated or weight and to adjust the deployment or pressure of the air bag. However, there is a technical and economical problem of adding a separate sensor.

Korean Patent Laid-Open No. 10-2004-0098293 (" Automotive Sheet ", published on November 20, 2004).

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide an air mattress which is automatically adjusted in accordance with the body shape of a person sitting on a seat, And provides an automatic tooth sheet with an air mat inserted to provide comfort and comfort.

The present invention also provides an air mattress capable of preventing injury caused by excessive airbag deployment pressure by automatically determining an airbag operation pressure of a vehicle by determining the body shape of a person sitting on the seat without adding a separate sensor And the like.

The present invention is characterized in that an automobile seat 100 into which an air mat is inserted includes a backrest portion 110 having a lumbar air mat 111 and a thoracic air mat 112 inside and supporting the user's back, A seat 100 including a mat 121 and a fingernail air mat 122 and a buttock receiving portion 120 on which a user's buttocks are seated, the lumbar air mat 111, the thoracic air mat 112, Air is injected into the lumbar air mat 121 and the femoral air mat 122 to the lumbar air mat 111, the thoracic air mat 112, the buttock air mat 121 and the femoral air mat 122, respectively. The lumbar air mats 111 and the thoracic air mats 111 are connected to the air pump 200, the lumbar air mats 111, the thoracic air mats 112, the hip air mats 121 and the femoral air mats 122, A sensor unit 300 for measuring the pressures of the hips 112, the buttock air mats 121 and the femoral air mats 122, the air pump 200 and the sensor unit 300, And determines the body shape of the user sitting on the seat 100 through the pressures of the lumbar air mats 111, the thoracic air mats 112, the buttock air mats 121, and the femoral air mats 122 And a controller 400 for controlling the pressures of the lumbar air mats 111, the thoracic air mats 112, the buttock air mats 121, and the femoral air mats 122 according to predetermined pressure values .

The control unit 400 controls the pressure of the lumbar air mats 111, the thoracic air mats 112, the buttock air mats 121 and the femoral air mats 122, And the pressure of the vehicle airbag is adjusted according to the user's body shape according to a preset pressure value.

The lumbar air mat 111 is composed of a first lumbar air mat 111a and a second lumbar air mat 111b. When the user is seated for a long time, And the second lumbar support air mat (111a) and the second lumbar support air mat (111b) to different pressures to stimulate the lumbar part of the user.

The buttock receiving part 120 includes a PU foam 124 having a downwardly recessed shape and a suspension 128 positioned below the PU foam 124. The buttock air mat 121 is attached to the PU foam 124 And the suspension 128. The suspension 128 is formed of a metal plate.

In addition, the buttock air mat 121 is formed in a shape corresponding to the buttocks of the user.

The buttock air mat 121 is formed with a groove at its center so as not to contact the perineum of the user and the prostate.

The control method of the automobile seat 100 with the air mat inserted therein according to the present invention is such that the lumbar air mat 111, the thoracic air mats 112, the buttock air mats 121, Sensing the pressures of the lumbar air mats 111, the thoracic air mats 112, the buttock air mats 121 and the femoral air mats 122, respectively, comparing with the standard pressure value DB Comparing the standard pressure value or the optimum pressure value set by the user with the sensed pressure, determining whether the pressure comparison value is within a predetermined error range, determining the user's body type and discriminating the user, The pressure of the air mat 112, the buttock air mat 121 and the femoral air mat 122 is maintained. When the pressure is outside the predetermined error range, air is injected or discharged to the lumbar air mat 111, the thoracic air mat 112, The buttock air mat 121 and the thigh Adjusting the pressure of the lumbar air mats 122, the pressure of the lumbar air mats 111, the thoracic air mats 112, the buttock air mats 121 and the femoral air mats 122, And when the air conditioner is unloaded, the pressure of the air mat is reduced to a certain level.

Further, the method may further include adjusting the deployment pressure of the airbag after determining the user's body type and discriminating the user by comparing with the standard pressure value DB.

As described above, the present invention relates to an automobile seat in which an air mat is inserted, and the pressure of the air mat provided in the seat is automatically adjusted according to the body shape of a person sitting on the seat, And comfort.

Further, the present invention has an effect of automatically preventing the primary airbag operation by adjusting the operating pressure of the airbag of the vehicle according to the body shape of a person sitting on the seat.

1 is a perspective view of an automobile seat in which an air mat of the present invention is inserted;
2 is a cross-sectional view of an automobile seat in which an air mat of the present invention is inserted
3 is a cross-sectional view of a buttock receiving portion of a car seat with a conventional buttock receiving portion and an air mat according to the present invention
4 is a first control conceptual diagram of an automobile seat in which an air mat is inserted according to the present invention.
Fig. 5 is a second control conceptual diagram of the car seat in which the air mat of the present invention is inserted
Fig. 6 is a graph showing a comparison of pressure distribution during seating of a car seat in which a conventional car seat and an air mat of the present invention are inserted
Fig. 7 is a flowchart showing the first control flow of the car seat in which the air mat of the present invention is inserted
Fig. 8 is a flowchart showing a second control flow chart of the car seat in which the air mat of the present invention is inserted

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, .

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

FIG. 1 is a perspective view of an automobile seat in which an air mat is inserted according to the present invention, FIG. 2 is a sectional view of an automobile seat having an air mat inserted therein according to a preferred embodiment of the present invention, FIG. 4 is a first control conceptual diagram of an automobile seat in which an air mat of the present invention is inserted, and FIG. 5 is a schematic view showing a state in which the air mats of the present invention are inserted, Fig. 6 is a view showing a comparison of the pressure distribution during seating of a car seat in which a conventional automobile seat and an air mattress of the present invention are inserted, Fig. 8 is a second control flow chart of the car seat in which the air mat of the present invention is inserted. Fig.

The automobile seat 100 in which the air mat is inserted according to the present invention is configured such that the air mat is inserted into the seat 100 of a general automobile to automatically adjust the pressure of the air mat according to the body shape of the occupant, And provide comfort and comfort for passengers.

1, the automobile seat 100 in which the air mat is inserted according to the present invention includes a backrest part 110 for supporting the back of a passenger (user), a buttock receiving part for receiving the buttock of the passenger 120).

The backrest 110 is covered with a cloth or leather made of a fiber material, and a lumbar air mat 111 and a thoracic air mat 112 are provided inside the backrest 110 to support the user's back. At this time, the lumbar air mat 111 and the thoracic air mat 112 are preferably provided at positions corresponding to the lumbar region and the thoracic region of the user, respectively.

The buttock receiving portion 120 is covered with a cloth or leather made of a fiber material, and a buttock air mat 121 is provided in the inside of the buttock receiving portion 120, and the buttocks and thighs of the user are seated. The buttock air mat 121 is provided at a position corresponding to the user's hip and thighs and may be provided with a femoral air mat 122 separately from the buttock air mat 121 as shown in FIG. .

A sensor s for measuring the pressure inside each air mat is provided on the lumbar air mat 111, the thoracic air mat 112, the buttock air mat 121 and the femoral air mat 122, And is connected to the control unit 400. [

 The lumbar air mats 111, the thoracic air mats 112, the buttock air mats 121 and the femoral air mats 122 are connected to the air pump 200, Air is injected into the lumbar air mat 111, the thoracic air mat 112, the buttock air mat 121 and the femoral air mat 122 by receiving the command of the controller 400 and adjusting the valve v Can be discharged.

The control unit 400 indicates the degree of comfort and comfort when the pressure inside the lumbar air mat 111, the thoracic air mat 112, the buttock air mat 121 and the femoral air mat 122 are respectively The control unit 400 compares the preset pressure value with the pressure value measured by the sensing unit 300 to determine whether the lumbar air mat 111, The pressure of the mat 112, the buttock air mat 121, and the thigh air mat 122, respectively.

At this time, the predetermined pressure value is based on the standard pressure value of the body built up through the human body standard model, but the user may set the optimum pressure value for the individual taste.

Referring to FIG. 3, the car seat 100 in which the air mat of the present invention is inserted will be described in more detail. 3 (a) shows a conventional automobile seat. In a typical automobile seat, a PU (polyurethane) foam 124 is placed on a frame 123, a sponge 125 is placed on a PU foam 124, And the trim 126 is configured to surround them. A heating mat 127 may be positioned between the sponge 125 and the trim 125 and a suspension 128 may be added near the PU foam 124 below the rump portion of the occupant to absorb vibration and shock. . 3 (b) shows the automobile seat 100 with the air mat according to the present invention, and the buttock receiving portion 120 of the automobile seat 100, And a buttock air mat 121 formed of a three-dimensional fabric is disposed in a space between the PU foam 124 and the suspension 128. [

A gap protrusion 130 is formed between the upper surface of the buttock air mat 121 and the PU foam 123 and the gap protrusion 130 is formed between the PU foam 123 and the buttock air mats 121 And the space is connected to the ventilation port 129 formed on the PU foam 124, the sponge 125, the heat-generating mat 127, and the like so that the air can flow.

4, when the occupant sits on the car seat 100, the lumbar air mats 111, the thoracic air mats 112, the buttock air mats 121, and the thigh air mats 121, The thoracic air mats 112, the buttock air mats 121, and the thigh air mats 121 through the sensor unit 300 after the lapse of a predetermined time, And detects the pressure inside the air mat 122, respectively.

Thereafter, the pressure inside the lumbar air mat 111, the thoracic air mat 112, the buttock air mat 121, and the femoral air mat 122 sensed is compared with the reference standard pressure value built up through the human body standard model The pressure in the lumbar air mats 111, the thoracic air mats 112, the buttock air mats 121, and the femoral air mats 122 is compared with a preset pressure value, If it is within the range of the optimum pressure value within the error range, it keeps the pressure inside the air mat. If it is out of the range of pressure value, repeat the procedure to adjust the injection pressure and then to detect the air mat pressure again. do.

At this time, the pre-set pressure value is based on the body reference pressure value built up through the human body standard model, but the user can use the optimum pressure value set for the individual taste.

When the user leaves the room after the operation is terminated, the pressure of the air mat is reduced to a certain level to maintain the elasticity and durability of the air mat.

The controller 400 compares the pressures of the lumbar air mats 111, the thoracic air mats 112, the buttock air mats 121 and the femoral air mats 122 with a predetermined pressure value, The pressure of the lumbar air mat 111, the thoracic air mat 112, the buttock air mat 121, and the femoral air mat 122 is determined to be the object The pressure of each of the lumbar air mat 111, the thoracic air mat 112, the buttock air mat 121 and the femoral air mat 122 is maintained at the reference pressure, and when it is judged that the person is placed on the seat 100, To a pressure that makes the occupant feel most comfortable and comfortable.

The lumbar air mat 111 may include a first lumbar air mat 111a and a second lumbar air mat 111b. When the user is seated for a long time, The pressure of the mat 111a and the pressure of the second lumbar air mat 111b may be repeatedly adjusted to different pressures to massage the lumbar part of the user. More specifically, when a person sitting on the seat 100 is seated for a long time, the lumbar region (waist) becomes rigid. At this time, the controller 400 repeatedly adjusts the pressures of the first lumbar air mat 111a and the second lumbar air mat 111b to different pressures through a set program to stimulate the lumbar part of the user, You may. This not only allows the user to sit on the seat 100 to feel comfort and comfort, but also can reduce the accumulation of fatigue to a maximum extent even if the user is seated for a long time.

In addition, the buttock air mat 121 may be formed in a shape corresponding to the buttocks of the user. That is, in order for the user to feel comfortable and comfortable, the user should be formed in a shape corresponding to the shape of the buttocks, so that the user can sit comfortably and the fatigue can be reduced even if he or she is seated for a long time.

In order to prevent irritation of the user's perineal region and the prostate gland, the buttock air mat 121 may have a groove formed at the center thereof so as not to touch the perineum and prostate of the user, And the buttock air mats 121b may be spaced apart from each other.

Air is discharged from the lumbar air mat 111, the thoracic air mats 112, the buttock air mats 121, and the thigh air mats 122 to the PU foam 124, the sponge 125, So that even if the user is seated for a long time, the discomfort due to perspiration secreted by the user can be reduced.

As described above, the car seat 100 in which the air mat of the present invention is inserted senses the pressure of the air mat to primarily determine the body shape and the weight of the occupant, The user actively adjusts the pressure and position of the cushion in that it actively regulates the pressure inside the lumbar air mat 111, the thoracic air mats 112, the buttock air mats 121 and the femoral air mats 122 Which is different from a conventional automobile seat to be adjusted.

With the above feature, it is possible to judge whether the object is an object or a person even if an object of the same weight is placed on the car seat. Even if the person is a person, it is also judged whether the seated person is an adult or a child based on the weight and body type of the seated person Whereby it is possible to adjust the deployment or the deployment pressure of the airbag 500. 5 shows an embodiment in which the control unit 400 of the automobile seat 100 in which the air mat of the present invention is inserted is controlled in connection with the air bag 500. [

6 is a graph comparing pressure distributions of a conventional automobile seat and an automobile seat with an air mat inserted therein according to the present invention, wherein the horizontal axis represents the body weight of the subject and the vertical axis represents the average pressure at the time of seating. The pressure distribution during sitting was measured using XSENSOR Pressure Mat. As shown in FIG. 6, in the case of the automobile seat in which the air mat of the present invention is inserted, the average pressure is reduced by 9.5 to 13.5% by weight in comparison with the conventional seat. This means that the automobile seat in which the air mat is inserted according to the present invention can achieve a uniform pressure distribution at the time of seating regardless of body shape and weight, thereby providing optimal comfort and comfort.

Next, referring to Fig. 7, an operation example of an automobile seat in which the air mat of the present invention is inserted will be described.

First, when a user seated on an automobile seat in which the air mat of the present invention is inserted, a predetermined amount of air is first injected into each air mat, and then the lumbar air mat (111), the thoracic air mats 112, the hip air mat 121 and the femoral air mat 122, respectively, and compares them with the standard pressure value DB to determine the user's body type and discriminate the user. Basically, the body type of the user is determined based on the standard pressure value for each body built up through the human body standard model. If the user sets the optimal pressure value at the time of seating the user in advance, the user can be recognized based on the pressure value .

After judging the user's body shape, compares the set optimum pressure value with the pressure value of each air mat, and if the pressure inside each air mat is within the range of optimum pressure value preset within a certain error range, If the pressure value is out of the range, the process of adjusting the injection pressure and then detecting the pressure of the air mat is repeated.

When the user leaves the room after the operation is terminated, the pressure of the air mat is reduced to a certain level to maintain the elasticity and durability of the air mat.

Next, referring to Fig. 8, an operation example of air bag deployment pressure adjustment using the automobile seat with the air mat of the present invention will be described.

First, when a user seated on an automobile seat in which the air mat of the present invention is inserted, a predetermined amount of air is first injected into each air mat, and then the lumbar air mat (111), the thoracic air mats 112, the buttock air mat 121 and the femoral air mat 122, respectively, and compares them with the standard pressure value DB to determine the user's body shape. Basically, the body shape of the user is judged based on the standard pressure value of each body type built up through the human body standard model to determine whether the user is an adult male, an adult female, a child or an infant, The pressure is adjusted.

At this time, when it is judged that the object is placed on the seat based on the standard pressure value, the pressure of each air mat may be adjusted to the minimum standard pressure and the airbag may not be deployed.

100: sheet
110:
111: lumbar air mats
111a: first lumbar air mat 111b: second lumbar air mat
112: Thoracic Air Matt
120:
121: Bump air mats
121a: first buttock air mat 121b: second buttock air mat
122: Femoral Air Matt
123: Frame 124: PU form
125: Sponge 126: Trim
127: Heating mat 128: Suspension
129: ventilation hole 130: gap projection
200: Air pump
300:
400:
500: air bag

Claims (8)

A backrest portion 110 supporting the back of the user and a hip airmat 121 and a femoral airmat 122 are provided in the interior of the backrest airmat 111 and the thoracic airmat 112 A seat 100 including a buttock receiving portion 120 on which a user's buttocks are seated;
The lumbar air mats 111, the thoracic air mats 112, the hip air mats 121 and the femoral air mats 122 are connected to the lumbar air mats 111, the thoracic air mats 112, An air pump 200 for injecting air into the fuselage air mat 121 and the fusiform air mat 122, respectively;
The lumbar air mats 111, the thoracic air mats 112, the hip air mats 121 and the femoral air mats 122 are connected to the lumbar air mats 111, the thoracic air mats 112, A sensor unit 300 for measuring pressures of the fusiform air mats 121 and the femoral air mats 122; And
Is connected to the air pump 200 and the sensor unit 300 so that the pressure of each of the lumbar air mat 111, the thoracic air mat 112, the buttock air mat 121 and the femoral air mat 122 The user determines the body shape of the user sitting on the seat 100 and determines the body shape of the lumbar air mat 111, the thoracic air mat 112, the buttock air mat 121 and the femoral air mat 122 And a control unit (400) for controlling the pressure,
The buttock receiving portion 120 includes a PU foam 124 formed under the PU foam 124 and a suspension 128 positioned below the PU foam 124,
The buttock air mat 121 is formed of a three-dimensional cloth and disposed between the concave portion of the PU foam 124 and the suspension 128,
A gap protrusion 130 is formed between the upper surface of the buttock air mat 121 and the PU foam 123 to form a predetermined space between the PU foam 123 and the buttock air mat 121,
The controller 400 controls the operation of the lumbar air mat 111, the thoracic air mat 112, the buttock air mat 121 and the femoral air mat 122 according to body type standard pressure values established through a human body standard model Wherein an air mat is inserted into the car seat. The method according to claim 1,
The control unit 400
The body shape of the user sitting on the seat 100 is determined through the pressures of the lumbar air mat 111, the thoracic air mat 112, the buttock air mat 121 and the femoral air mat 122, And adjusts the pressure of the vehicle airbag according to the user's body shape according to the value of the airbag. The method according to claim 1,
The lumbar air mat (111)
A first lumbar air mat 111a and a second lumbar air mat 111b,
The control unit 400
The air mat according to claim 1, wherein when the user is seated for a long time, the pressure of the first lumbar lap air mat (111a) and the second lumbar lap air mat (111b) Inserted car seat. delete The method according to claim 1,
The buttock air mat 121
Wherein the air mat is formed in a shape corresponding to the buttocks of the user. 6. The method of claim 5,
The buttock air mat 121
Wherein a groove is formed in the center so that the user's perineum and prostate can not be contacted. A method of controlling an automobile seat having an air mat inserted therein according to any one of claims 1 to 3, 5, and 6,
Injecting air into the lumbar air mat (111), the thoracic air mat (112), the buttock air mat (121), and the thigh air mat (122) at a constant pressure when the user is seated;
Sensing the pressures of the lumbar air mats 111, the thoracic air mats 112, the buttock air mats 121, and the femoral air mats 122, respectively;
Determining a user body type by comparing with a standard pressure value DB and discriminating a user;
Comparing the standard pressure value or the user-set optimum pressure value with the sensed pressure;
The pressure of the lumbar air mats 111, the thoracic air mats 112, the buttock air mats 121 and the femoral air mats 122 is maintained when the pressure comparison value is within a certain error range, The thoracic air mats 112, the buttock air mats 121 and the femoral air mats 122 and adjusts the pressure of the lumbar air mats 111, the thoracic air mats 112 ), The hip air mat (121), and the femoral air mat (122);
A step of reducing the pressure of the air mat to a predetermined level when the user departs and leaves after the operation is terminated;
Wherein the air mats are inserted into the air mats. 8. The method of claim 7,
Determining the user's body type by comparing with the standard pressure value DB and adjusting the deployment pressure of the airbag after the step of discriminating the user.

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