Structure and method compatible with hardness adjustment and massage point position adjustment

Abstract

The invention discloses a structure and method compatible with hardness adjustment and massage point position adjustment. The structure comprises a control system, a plurality of air bags, a first supporting face, a second supporting face and a plurality of air pipes. The control system comprises a processor, an electromagnetic valve and a plurality of pressure sensors, the pressure sensors are in communication connection with the processor, and one side of each air bag is fixed to one side of the first supporting face; the multiple air bags are integrated on the first supporting face and the second supporting face, the pressure conditions of the human body on the multiple air bags are collected in real time through the pressure sensors, and the collected pressure information is analyzed and calculated through the processor to obtain an analysis result; according to the analysis result, an instruction is sent to the electromagnetic valve to control the electromagnetic valve to inflate and deflate the air bag, and the massage point position, massage strength and hardness of the seat are adjusted, so that the seat can be adjusted differently according to the shape of the human body, the comfort is improved, and fatigue caused by long-time sitting is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of pneumatic comfort systems, and in particular to a structure and method that are compatible with softness and hardness adjustment and massage point adjustment. Background Art

[0002] At present, the car seat comfort system - pneumatic product massage airbag is realized by inflating the air through the air pump and controlling the inflation and deflation of each massage point with the solenoid valve. The existing massage is that the massage airbag realizes the massage function through the inflation and deflation of the air bag, and each massage point is designed in advance and cannot be adjusted later. The softness and hardness of the seat is also controlled by the softness and hardness of the foam. The hardness is determined during the design and cannot be adjusted later. In short, the existing seats cannot make corresponding adjustments to the massage point position, massage intensity and softness and hardness according to the human body shape. Summary of the invention

[0003] The purpose of the present invention is to provide a structure and method that are compatible with softness and hardness adjustment and massage point adjustment to solve the technical problems raised in the background technology.

[0004] To achieve the above-mentioned objectives, the present invention provides a structure that is compatible with hardness adjustment and massage point adjustment, comprising a control system, a plurality of air bags, a first support surface, a second support surface, and a plurality of air tubes; the control system comprises a processor, an electromagnetic valve, and a plurality of pressure sensors, and the pressure sensors establish a communication connection with the processor; one side of the plurality of air bags is fixed to one side of the first support surface, and the other side of the plurality of air bags is fixed to one side of the second support surface, one end of the plurality of air tubes passes through the first support surface and is connected to the plurality of air bags, respectively, the interfaces of the plurality of pressure sensors and the inflation and deflation interfaces of the electromagnetic valves are connected to the other ends of the plurality of air tubes, and the plurality of air bags are layered by connecting multiple layers of unit air bags in series.

[0005] Furthermore, the side surfaces of the unit airbags are all provided with curved surfaces.

[0006] Furthermore, the interfaces of the plurality of pressure sensors and the inflation and deflation interfaces of the solenoid valves correspond one-to-one to the plurality of air pipes, and the plurality of air pipes correspond one-to-one to the plurality of air bags.

[0007] The present invention also provides a method for adjusting both softness and hardness and massage points, the method comprising the following steps:

[0008] S1. Real-time monitoring of the initial air pressure value P of the air bag through the pressure sensor i And the compressed air pressure value Q i , and calculate the pressure change ΔP of the air bag from the initial state to the compressed state i , i represents the i-th airbag, i=0,1,2,3...;

[0009] S2, according to the pressure change value ΔP i and the initial pressure value P i Calculate the pressure area S when the air bag is compressed i ;

[0010] S3, according to the pressure area S i And the pressure change value ΔP i Calculate the pressure F on the air bag i And the human body comfortable pressure O i ;

[0011] S4, according to the pressure F of the air bag i And human body comfortable pressure O i Determine whether the air bag needs to be inflated or deflated;

[0012] If F i =O i , there is no need to adjust the pressure of the i-th air bag;

[0013] If F i <O i , inflate the i-th airbag to increase the pressure of the airbag;

[0014] If F i >O i , deflate the i-th air bag to reduce the pressure of the air bag.

[0015] Furthermore, the specific steps of S1 are:

[0016] S11. First, the initial air pressure value P of the air bag in the initial state is monitored in real time through the pressure sensor and the air tube connected to the pressure sensor. i , i represents the i-th airbag, i=0,1,2,3...;

[0017] S12, secondly, the pressure value Q of the air bag under pressure is monitored in real time through the pressure sensor and the air pipe 5 connected to the pressure sensor. i , i represents the i-th airbag, i=0,1,2,3...;

[0018] S13. Finally, calculate the pressure change value ΔP of the air bag from the initial state to the pressurized state i , then the pressure change value ΔP i The calculation formula is:

[0019] ΔP i =Q i -P i

[0020] In the above formula, ΔP i represents the pressure change value of the i-th air bag, Q iIndicates the pressure value of the i-th air bag, P i Represents the initial air pressure value of the i-th air bag.

[0021] Furthermore, the pressure area S i The calculation formula is:

[0022]

[0023] In the above formula, L i represents the length of the i-th airbag, W i represents the width of the i-th airbag, ΔP i Indicates the pressure change value of the i-th air bag, P i Represents the initial air pressure value of the i-th air bag.

[0024] Furthermore, the pressure F of the air bag is i And human body comfortable pressure O i The calculation formulas are:

[0025]

[0026] In the above formula, G represents the weight of the human body, N represents the amount of air bag pressure, ΔP i represents the pressure change value of the i-th air bag, S i represents the pressure area of ​​the i-th air bag.

[0027] Beneficial effects:

[0028] 1. The present invention integrates a plurality of air bags on a first supporting surface and a second supporting surface, collects the pressure of the human body on the air bags in real time through a pressure sensor, and analyzes and calculates the collected pressure information through a processor to obtain an analysis result, and sends instructions to the solenoid valve according to the analysis result to control the solenoid valve to inflate and deflate the air bags, thereby adjusting the massage point position, massage strength, and hardness of the seat, so that the seat can be adjusted differently according to the human body shape, thereby improving comfort, reducing fatigue from sitting for a long time, and avoiding fixed massage points, massage strength, and hardness of the seat, which affects the user experience.

[0029] 2. The several air bags in the present invention are composed of multiple unit air bags connected in series, and the several air bags are spread flat on the entire first support surface to ensure that the massage points and hardness can be adaptively adjusted to people with different body shapes. The layered air bags allow the air bags to be adjusted according to the body shapes of different people while ensuring that the massage points and hardness can be adjusted more accurately. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions implemented in the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0031] Figure 1 It is a front view of the structure of the present invention that is compatible with both softness and hardness adjustment and massage point adjustment;

[0032] Figure 2 It is a rear view of the structure of the present invention that is compatible with both softness and hardness adjustment and massage point adjustment;

[0033] Figure 3 It is a side view of the structure of the present invention that is compatible with both softness and hardness adjustment and massage point adjustment;

[0034] Figure 4 is a cross-sectional view of the air bag of the present invention;

[0035] Figure 5 A flow chart of the method for adjusting the hardness and massage points compatible with the present invention;

[0036] In the figure:

[0037] Control system 1; air bag 2; first support surface 3; second support surface 4; air tube 5. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] like Figure 1-Figure 4As shown, the present invention provides a structure that is compatible with hardness and massage point adjustment, including a control system 1, a plurality of air bags 2, a first support surface 3, a second support surface 4, and a plurality of air tubes 5. The control system 1 includes a processor, an electromagnetic valve, and a plurality of pressure sensors, and the pressure sensors establish a communication connection with the processor; one side of the plurality of air bags 2 is fixed to one side of the first support surface 3, and the other side of the plurality of air bags 2 is fixed to one side of the second support surface 4. The plurality of air bags 2 are spread on the entire first support surface 3 to ensure that the massage points and hardness can be adaptively adjusted to people with different body shapes. One end of the plurality of air tubes 5 passes through the first support surface 3 and is connected to the plurality of air bags 2. The interfaces of the plurality of pressure sensors and the electromagnetic valves are connected to the plurality of air bags 2. The inflation and deflation interfaces are all connected to the other ends of the plurality of air pipes 5, the pressure sensor collects the pressure signal in real time, and transmits it to the processor for processing, and then controls the solenoid valve to inflate and deflate the plurality of air bags 2, the interfaces of the plurality of pressure sensors and the inflation and deflation interfaces of the solenoid valves all correspond one-to-one to the plurality of air pipes 5, the plurality of air pipes 5 correspond one-to-one to the plurality of air bags 2, the plurality of air bags 2 are all layered by connecting a plurality of unit air bags in series, the layered air bags 2 allow the air bags 2 to be adjusted according to the body shape of different people while ensuring that the massage points and the softness and hardness can be adjusted more accurately, the shape of the unit air bags can be square, oval or round according to user needs, the sides of the unit air bags are all provided with arc surfaces, and the comfort of the seat is increased by setting the arc surfaces.

[0040] The present invention integrates a plurality of air bags 2 on a first supporting surface 3 and a second supporting surface 4, collects pressure signals through a pressure sensor and transmits them to a processor for processing, and then controls a solenoid valve to inflate and deflate the plurality of air bags 2. The massage points and the softness and hardness can be adaptively adjusted according to the body shapes of different groups of people, so as to better match people with different body shapes, improve comfort, reduce fatigue from sitting for a long time, and solve the problem that the existing massage points and the softness and hardness cannot be adjusted according to the body shapes of different groups of people once they are fixed.

[0041] Please refer to Figure 5 The present invention also provides a method for adjusting the hardness and massage points, and the control method includes the following steps:

[0042] S1, real-time monitoring of the initial air pressure value P of the air bag 2 through the pressure sensor i and compressed air pressure value Q i , and calculate the pressure change ΔP from the initial state to the pressurized state of air bag 2 i , i represents the i-th air bag, i=0,1,2,3..., the force condition of the air bag 2 can be monitored in real time through the pressure sensor and the air pipe 5 connected to the pressure sensor. The following steps are all based on the compressed air pressure value Q i greater than zero;

[0043] In this embodiment, in order to illustrate the implementation of step S1, the specific steps are as follows:

[0044] S11. First, the initial air pressure value P of the air bag 2 in the initial state is monitored in real time through the pressure sensor and the air pipe 5 connected to the pressure sensor. i , i represents the i-th airbag, i=0,1,2,3...;

[0045] S12, secondly, the pressure value Q of the air bag 2 in the pressurized state is monitored in real time through the pressure sensor and the air pipe 5 connected to the pressure sensor. i , i represents the i-th airbag, i=0,1,2,3..., when the compressed air pressure value Q i When it is greater than zero, perform the following steps;

[0046] S13. Finally, calculate the pressure change value ΔP of the air bag 2 from the initial state to the pressurized state i , then the pressure change value ΔP i The calculation formula is:

[0047] ΔP i =Q i -P i

[0048] In the above formula, ΔP i represents the pressure change value of the i-th airbag 2, Q i represents the pressure value of the i-th airbag 2, P i Represents the initial air pressure value of the i-th airbag 2, and the pressure change value ΔP is calculated by the processor through analysis i .

[0049] S2, according to the pressure change value ΔP i and the initial pressure value P i Calculate the pressure area S when the air bag 2 is compressed i , then the pressure area S i The calculation formula is:

[0050]

[0051] In the above formula, L i represents the length of the i-th airbag 2, W i represents the width of the i-th airbag 2, ΔP i represents the pressure change value of the i-th airbag 2, P i represents the initial pressure value of the i-th airbag 2, L i *W i It represents the cross-sectional area of ​​the i-th airbag 2 when the airbag 2 is square. When the airbag 2 is circular or elliptical, the cross-sectional area of ​​the i-th airbag 2 can be calculated according to the actual situation.

[0052] S3, according to the pressure area Si And the pressure change value ΔP i Calculate the pressure F on airbag 2 i And the human body comfortable pressure O i , then the pressure F on airbag 2 i And human body comfortable pressure O i The calculation formulas are:

[0053]

[0054] In the above formula, G represents the weight of the human body, and N represents the amount of pressure on the airbag 2;

[0055] S4, according to the pressure F of air bag 2 i And human body comfortable pressure O i Determine whether the air bag 2 needs to be inflated or deflated;

[0056] If F i =O i , there is no need to adjust the pressure of the i-th airbag 2;

[0057] If F i <O i , inflate the i-th airbag 2 to increase the pressure of airbag 2;

[0058] If F i >O i , deflate the i-th airbag 2 to reduce the pressure of airbag 2.

[0059] The present invention collects the pressure conditions of the human body on a plurality of air bags 2 in real time through a pressure sensor, and analyzes and calculates the collected pressure information through a processor to obtain an analysis result, and sends an instruction to the solenoid valve according to the analysis result to control the solenoid valve to inflate and deflate the air bags 2, thereby realizing adaptive adjustment of the massage point position, massage intensity, and softness and hardness of the seat, so that the seat can be adjusted differently according to the human body shape, avoiding fixed massage points, massage intensity and softness and hardness of the seat, which affects the user experience.

[0060] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0061] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A structure compatible with hardness adjustment and massage point adjustment, characterized in that: The invention comprises a control system (1), a plurality of air bags (2), a first support surface (3), a second support surface (4), and a plurality of air pipes (5); the control system (1) comprises a processor, an electromagnetic valve, and a plurality of pressure sensors, wherein the pressure sensors establish a communication connection with the processor; one side of the plurality of air bags (2) is fixed to one side of the first support surface (3), the other side of the plurality of air bags (2) is fixed to one side of the second support surface (4), one end of the plurality of air pipes (5) passes through the first support surface (3) and is connected to the plurality of air bags (2); the interfaces of the plurality of pressure sensors and the inflation and deflation interfaces of the electromagnetic valve are connected to the other end of the plurality of air pipes (5), and the plurality of air bags (2) are formed into layers by connecting multiple layers of unit air bags in series.

2. The structure compatible with softness and hardness adjustment and massage point adjustment according to claim 1 is characterized in that: The side surfaces of the unit air bags are all provided with curved surfaces.

3. The structure compatible with softness and hardness adjustment and massage point adjustment according to claim 1 is characterized in that: The interfaces of the plurality of pressure sensors and the inflation and deflation interfaces of the electromagnetic valves correspond one-to-one to the plurality of air pipes (5), and the plurality of air pipes (5) correspond one-to-one to the plurality of air bags (2).

4. A method for adjusting both softness and hardness and massage points, characterized in that: Applicable to the structure described in any one of claims 1 to 3, the method comprises the following steps: S1, real-time monitoring of the initial air pressure value P of the air bag (2) through a pressure sensor i And the compressed air pressure value Q i , and calculate the pressure change ΔP of the air bag (2) from the initial state to the pressurized state i , i represents the i-th airbag, i=0,1,2,3...; S2, according to the pressure change value ΔP i and the initial pressure value P i Calculate the pressure area S of the air bag (2) when it is compressed i ; S3, according to the pressure area S i And the pressure change value ΔP i Calculate the pressure F on the air bag (2) i And the human body comfortable pressure O i ; S4, according to the pressure F of the air bag (2) i And human body comfortable pressure O i , judging whether it is necessary to inflate or deflate the air bag (2); If F i =O i , there is no need to adjust the pressure of the i-th air bag (2); If F i <O i , inflate the i-th air bag (2) to increase the pressure of the air bag (2); If F i >O i , the i-th air bag (2) is deflated to reduce the pressure of the air bag (2).

5. The method according to claim 4, characterized in that: The specific steps of S1 are: S11. First, the initial air pressure value P of the air bag (2) in the initial state is monitored in real time by means of a pressure sensor and an air tube (5) connected to the pressure sensor. i , i represents the i-th airbag, i=0,1,2,3...; S12, secondly, the pressure value Q of the air bag (2) in the pressurized state is monitored in real time through the pressure sensor and the air pipe (5) connected to the pressure sensor. i , i represents the i-th airbag, i=0,1,2,3...; S13. Finally, calculate the pressure change value ΔP of the air bag (2) from the initial state to the pressurized state i , then the pressure change value ΔP i The calculation formula is: ΔP i =Q i -P i In the above formula, ΔP i represents the pressure change value of the i-th air bag (2), Q i represents the pressure value of the i-th airbag (2), P i represents the initial air pressure value of the i-th air bag (2).

6. The method according to claim 4, characterized in that: The pressure area S i The calculation formula is: In the above formula, L i represents the length of the i-th airbag (2), W i represents the width of the i-th airbag (2), ΔP i represents the pressure change value of the i-th air bag (2), P i represents the initial air pressure value of the i-th air bag (2).

7. The method according to claim 4, characterized in that: The pressure F exerted on the air bag (2) i And human body comfortable pressure O i The calculation formulas are: In the above formula, G represents the weight of the human body, N represents the amount of pressure on the airbag (2), and ΔP i represents the pressure change value of the i-th air bag (2), S i represents the pressure area of ​​the i-th air bag (2).

Images