Mattress air pressure control method and inflatable mattress

Abstract

The invention relates to the technical field of fluid mattresses, and particularly discloses a mattress air pressure control method and an inflatable mattress, the method comprises the following steps: adjusting the air pressure in an air bag to a preset pressure value through an inflation and deflation mode; and the air temperature in the air bag is changed, so that the air pressure in the air bag reaches the target air pressure. The mattress air pressure control method and the inflatable mattress can effectively solve the problems that an existing mattress air pressure control method cannot achieve high-precision air pressure adjustment and is large in operation noise.

Description

Technical Field

[0001] The present invention relates to the technical field of fluid mattresses, and in particular to a mattress air pressure control method and an inflatable mattress. Background Art

[0002] Generally, an inflatable mattress includes an airbag for providing support to the human body, an air pump for inflating the airbag, and an air release valve for deflation of the airbag. When the supporting air pressure of the airbag needs to be adjusted to the air pressure value specified by the user, the air pump is started to inflate the airbag. Generally, the airbag used in the mattress is large in size. In order to shorten the inflation time, the air pump power used in most inflatable mattresses is relatively large, which leads to the following problems:

[0003] ① The power of the air pump is too large, that is, the inflation volume per unit time is large, and high-precision air pressure regulation cannot be achieved;

[0004] ② The air pump has too much power, which will generate loud noise during operation, seriously affecting the user's sleep quality. Especially late at night, when the user is already asleep, starting the air pump to fine-tune the air pressure can easily wake the user up. Furthermore, since the air pump cannot achieve high-precision air pressure regulation, it is easy for the air to be over-inflated during the fine-tuning process. At this time, it is necessary to open the air valve to deflate, which once again increases the operating noise.

[0005] Therefore, the present invention is dedicated to improving the existing mattress air pressure control method to solve the problems of being unable to achieve high-precision air pressure regulation and having high operating noise.

[0006] The above information is presented as background information only to assist with understanding the present disclosure and no determination or admission is made as to whether any of the above may be used as prior art with respect to the present disclosure. Summary of the invention

[0007] The present invention provides a mattress air pressure control method and an inflatable mattress, which can effectively solve the problems that the existing mattress air pressure control method cannot achieve high-precision air pressure regulation and has high operating noise.

[0008] To achieve the above objectives, in a first aspect, the present invention provides a mattress air pressure control method, comprising:

[0009] By means of inflating and deflating air, the air pressure inside the airbag is adjusted to a preset pressure value;

[0010] The gas temperature in the airbag is changed so that the air pressure in the airbag reaches the target pressure.

[0011] Optionally, changing the temperature of the gas in the airbag so that the air pressure in the airbag reaches the target air pressure includes:

[0012] The sleeping state of the human body is evaluated, and according to the evaluation result, it is determined whether the gas temperature in the airbag needs to be changed so that the air pressure in the airbag reaches the target pressure.

[0013] Optionally, the sleeping state includes a sleeping state and a waking state; the step of evaluating the sleeping state of the human body and judging whether it is necessary to change the gas temperature in the airbag according to the evaluation result so that the air pressure in the airbag reaches the target air pressure includes:

[0014] If the human body is in a sleeping state, the temperature of the gas in the airbag is changed so that the air pressure in the airbag reaches the target pressure.

[0015] Optionally, the step of evaluating the sleeping state of the human body and judging whether it is necessary to change the gas temperature in the airbag according to the evaluation result so that the air pressure in the airbag reaches the target air pressure further includes:

[0016] If the human body is in a conscious state, the air pressure inside the airbag is adjusted to the target air pressure by continuing to inflate and deflate the airbag.

[0017] Optionally, the evaluating the sleep state of the human body includes:

[0018] The human body's sleeping state is evaluated through at least one of pressure monitoring, heart rate monitoring, and ambient light intensity monitoring.

[0019] Optionally, changing the temperature of the gas in the airbag so that the air pressure in the airbag reaches the target air pressure includes:

[0020] When the preset pressure value is less than the target air pressure, the air in the airbag is heated so that the air pressure in the airbag rises to the target air pressure.

[0021] Optionally, the step of changing the temperature of the gas in the airbag so that the air pressure in the airbag reaches the target air pressure further includes:

[0022] When the preset pressure value is greater than the target pressure:

[0023] The airbag is deflated and / or the air in the airbag is cooled so that the air pressure in the airbag drops to the target air pressure.

[0024] Optionally, before changing the temperature of the gas in the airbag so that the air pressure in the airbag reaches the target pressure, the method further includes:

[0025] The target temperature of the airbag is determined according to the following formula: T2=(P2*T1) / (P1*K);

[0026] in,

[0027] P1 is the initial pressure inside the airbag before temperature regulation;

[0028] T1 is the initial temperature of the gas inside the airbag before temperature regulation;

[0029] P2 is the target air pressure inside the airbag after temperature adjustment;

[0030] T2 is the target temperature for regulating the gas inside the rear airbag.

[0031] K is the volume expansion coefficient of the balloon material.

[0032] In a second aspect, an inflatable mattress is provided, comprising:

[0033] Airbags;

[0034] An inflation and deflation assembly is connected to the airbag and is used to adjust the air pressure inside the airbag to a preset pressure value by inflation and deflation;

[0035] A temperature control device is located in the airbag and is used to change the temperature of the gas in the airbag so that the air pressure in the airbag reaches the target pressure.

[0036] Optionally, the temperature control device includes an electric heating element and / or a refrigeration device.

[0037] Compared with the prior art, the present invention has the following beneficial effects: providing a mattress air pressure control method and an inflatable mattress, firstly adjusting the air pressure of the airbag to a preset pressure value that is relatively close to the target air pressure by means of inflation and deflation, thereby ensuring that the overall duration of the air pressure adjustment will not be too long; then, fine-tuning the air pressure to the target air pressure by changing the temperature of the gas in the airbag, the temperature and pressure control method can not only realize the precise adjustment of the pressure, but also make the pressure adjustment process quiet and smooth.

[0038] Therefore, the mattress air pressure control method and the inflatable mattress provided by the present invention can effectively solve the problems that the existing mattress air pressure control method cannot achieve high-precision air pressure regulation and has high operating noise.

[0039] The present invention has other features and advantages, which will be apparent from or will be described in detail in the accompanying drawings and the following detailed description incorporated herein, which together serve to explain the specific principles of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0041] Figure 1 is a flow chart of a mattress air pressure control method provided in Example 1 of the present invention;

[0042] Figure 2 is a flow chart of a mattress air pressure control method provided by Embodiment 2 of the present invention;

[0043] Figure 3 It is a structural block diagram of an inflatable mattress provided in Example 3 of the present invention. DETAILED DESCRIPTION

[0044] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0045] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0046] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0047] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist, for example, A and / or B, which means: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this article generally indicates that the objects before and after are in an "or" logical relationship.

[0048] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.

[0049] Without further limitations, in this application, the words "include", "comprises", "has" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0050] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.

[0051] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0052] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0053] Example 1

[0054] Please refer to the attached Figure 1 , is a flowchart of a mattress air pressure control method provided by an embodiment of the present invention, the method is applicable to a scenario of providing sleep support to a user, the method is performed based on an inflatable mattress, and the inflatable mattress can be implemented by software and / or hardware. The method specifically includes the following steps:

[0055] S101: adjusting the air pressure in the airbag to a preset pressure value by means of inflation and deflation;

[0056] S102: Changing the temperature of the gas in the airbag so that the air pressure in the airbag reaches the target pressure.

[0057] The mattress air pressure control method provided in this embodiment first adjusts the air pressure of the airbag to a preset pressure value that is relatively close to the target air pressure by inflating and deflating the air, thereby ensuring that the overall time of the air pressure adjustment is not too long; then, the air pressure is fine-tuned to the target air pressure by changing the temperature of the gas in the airbag. The temperature and pressure control method can not only achieve precise pressure adjustment, but also make the pressure adjustment process quiet and stable.

[0058] In this embodiment, the difference between the pressure value and the target pressure is within a specified difference range. Specifically, the specified difference range is a set value, which is mainly to avoid a situation where the difference between the preset pressure value and the target pressure is too large, resulting in a situation where the pressure regulation is completely dependent on temperature adjustment.

[0059] For example, before going to bed, the user presets a relatively comfortable air pressure value (for example, 3PSI) as the target air pressure value. The mattress initially inflates and deflates to reach the preset pressure value (for example, 2.8PSI), and then stops inflating and deflation after fine-tuning through temperature adjustment (heating the gas in the airbag so that the air pressure in the airbag gradually increases from 2.8PSI to 3PSI). Then, during the user's entire sleep process, the air pressure in the airbag is fine-tuned through temperature adjustment to adapt to the subtle changes in the user's sleep process, so that the air pressure in the airbag can be accurately adjusted under the premise of quietness.

[0060] Therefore, the mattress air pressure control method and the inflatable mattress provided by the present invention can effectively solve the problems that the existing mattress air pressure control method cannot achieve high-precision air pressure regulation and has high operating noise.

[0061] It should be noted that in step S102, the inflation and deflation methods include inflation and deflation. When the air pressure in the airbag is greater than the preset pressure value, the airbag is deflated until the air pressure in the airbag is reduced to the preset pressure value; when the air pressure in the airbag is less than the preset pressure value, the airbag is inflated until the air pressure in the airbag is increased to the preset pressure value. Inflation and deflation can be achieved through an inflation and deflation component. The structure and principle of the inflation and deflation component are prior art and will not be described in detail here.

[0062] In step S102, actually, it includes two situations: one is how to increase the air pressure in the bag from the preset pressure value to the target air pressure when the preset pressure value is less than the target air pressure; the other is how to decrease the air pressure in the bag from the preset pressure value to the target air pressure when the preset pressure value is greater than the target air pressure.

[0063] Generally, many inflatable mattresses are equipped with electric heating elements such as heating rods or heating sheets. Therefore, when the preset pressure value is lower than the target air pressure, the air in the airbag is directly heated by the electric heating element in the airbag, and the air in the airbag expands due to the heat, so that the air pressure in the airbag gradually and smoothly rises to the target air pressure.

[0064] If there is no refrigeration device such as a semiconductor refrigeration sheet inside the inflatable mattress, when the preset pressure value is greater than the target air pressure, the air pressure inside the air bag can be reduced to the target air pressure by deflating the air bag;

[0065] If a refrigeration device is provided inside the inflatable mattress, when the preset pressure value is greater than the target pressure, the air in the airbag can be cooled by the refrigeration device, and the air in the airbag contracts due to the cooling, so that the air pressure in the airbag gradually and smoothly drops to the target pressure. Of course, cooling and deflation can also be performed simultaneously, so that the air pressure in the airbag drops to the target pressure.

[0066] It is understandable that by changing the temperature of the gas in the airbag, the air pressure in the airbag can indeed reach the target pressure, but the gas temperature in the airbag is related to the air pressure in the airbag. If you want the air pressure in the airbag to reach the target pressure, the temperature at which the gas in the airbag is heated cannot be lower than a temperature threshold. Otherwise, the air pressure in the airbag will not be able to rise / fall to the target pressure due to insufficient heating / cooling temperature.

[0067] According to Charles' law, when the volume and mass of a gas remain unchanged, the pressure P is proportional to the gas temperature T (thermodynamic temperature, unit K), P / T=C. C is a constant. If the air bag is assumed to be a rigid container (volume unchanged), the following relationship can be obtained:

[0068] P1 / T1=P2 / T2;

[0069] in,

[0070] P1 is the initial pressure inside the airbag before temperature regulation;

[0071] T1 is the initial temperature of the gas inside the airbag before temperature regulation;

[0072] P2 is the target air pressure inside the airbag after temperature adjustment;

[0073] T2 is the target temperature for regulating the gas inside the rear airbag.

[0074] In fact, airbags are elastic and their volume expansion coefficient is K. Therefore, after considering the volume expansion coefficient K, the formula for determining the target temperature is: P2=P1*T2*K / T1.

[0075] Where K is the volume expansion coefficient of the airbag material.

[0076] In practical applications, the volume expansion coefficient K needs to be determined through experiments because it varies depending on the material and manufacturing process. By measuring the change in the volume of the airbag at different temperatures, the expansion coefficient of the airbag material can be calculated, which can then be used to accurately control the softness and hardness of the mattress.

[0077] That is, when a temperature control device is needed to change the gas temperature in the airbag so that the air pressure in the airbag reaches the target pressure, the temperature of the temperature control device should first be adjusted to T2 according to the relationship "P2=P1*T2*K / T1".

[0078] In summary, the mattress air pressure control method provided in this embodiment has at least the following advantages:

[0079] ① By first inflating and deflating the air to the preset pressure value, and then fine-tuning it through temperature regulation, the mattress air pressure can be adjusted with high precision to meet the user's personalized needs for sleep support; further, using Charles' law and the volume expansion coefficient of the airbag material, the temperature of the temperature control device can be accurately calculated to achieve precise control of the air pressure;

[0080] ② Compared with the traditional inflation and deflation adjustment method, this method achieves fine-tuning of air pressure through temperature regulation, reduces noise generation, and ensures a quiet and stable sleeping environment for users;

[0081] ③ Reduce frequent inflation and deflation operations, reduce wear on the air pump, and thus extend the service life of the mattress.

[0082] Example 2

[0083] This embodiment provides a mattress air pressure control method, which adds a step of evaluating the sleeping state of a human body on the basis of Embodiment 1 to achieve more intelligent air pressure control and adjustment.

[0084] See also Figure 2 The mattress air pressure control method provided in this embodiment includes the following steps:

[0085] S201: adjusting the air pressure in the airbag to a preset pressure value by means of inflation and deflation;

[0086] S202: Evaluate the sleeping state of the human body, and determine whether it is necessary to change the gas temperature in the airbag according to the evaluation result so that the air pressure in the airbag reaches the target pressure;

[0087] Further, the sleep state includes a sleeping state and a waking state;

[0088] Step S202 includes:

[0089] S2021: Evaluate a person's sleep state through at least one of pressure monitoring, heart rate monitoring, and ambient light intensity monitoring;

[0090] The following is an explanation of the above-mentioned monitoring methods:

[0091] (1) Pressure monitoring

[0092] The mattress is equipped with multiple pressure sensors to monitor the movement and pressure changes of the human body. When a person lies on the bed, these sensors can record the slight movement of the body to determine the sleeping state. When it is determined that the user has fallen asleep (the person lies on the bed and the amount of movement is small), the gas temperature in the airbag is changed so that the air pressure in the airbag reaches the target pressure, so as to provide a quiet sleeping environment for the user.

[0093] (2) Heart rate monitoring

[0094] The mattress can be equipped with a heart rate sensor to monitor the heart rate of the sleeper. The change in heart rate can be used as an indicator to determine the sleep stage. When it is determined that the user has fallen asleep (the heart rate is low and stable), the gas temperature in the airbag is changed so that the air pressure in the airbag reaches the target pressure, so as to provide a quiet sleeping environment for the user.

[0095] (3) Ambient light intensity

[0096] A light intensity sensor for monitoring the intensity of ambient light can be implanted in the mattress. When the external light dims, it can be considered that the user has turned off the lights and is ready to go to bed. At this time, no matter whether the user has completely fallen asleep, he should remain quiet. Therefore, it can also be set that when the external light dims, it is assumed that the user has fallen asleep. At this time, the gas temperature in the airbag is changed so that the air pressure in the airbag reaches the target pressure, which can provide the user with a quiet sleeping environment.

[0097] Furthermore, by performing AI algorithm processing on pressure data and heart rate data, it is possible to further determine that the human body is in different stages of sleep, that is, the sleeping state can be further subdivided into the falling asleep stage, light sleep stage, deep sleep stage and waking up stage, etc. The method for determining the sleep stage is not the focus of the present invention, so it will not be elaborated.

[0098] Correspondingly, it can also be set that the gas temperature in the airbag is changed in any stage of falling asleep, light sleep, and deep sleep so that the air pressure in the airbag reaches the target pressure, and the present invention is not limited to this.

[0099] S2022: If the human body is in a sleeping state, the temperature of the gas in the airbag is changed so that the air pressure in the airbag reaches the target air pressure;

[0100] S2023: If the human body is in a conscious state, the air pressure inside the airbag is adjusted to the target air pressure by continuing to inflate and deflate the airbag.

[0101] It is understandable that when a person is in a sleeping state, a quiet environment is required to be higher. At this time, the air pressure in the airbag can be fine-tuned to the target pressure by changing the temperature of the gas in the airbag.

[0102] When the human body is in a wakeful state, the quietness of the environment is not required. At this time, in order to shorten the adjustment time and improve the user experience, the air pressure inside the airbag can be adjusted to the target pressure by continuing to inflate and deflate the airbag.

[0103] Of course, in some other embodiments, if the human body is awake, the gas temperature in the airbag can still be changed to make the air pressure in the airbag reach the target pressure. Although the user does not have much demand for a quiet environment at this time, this air pressure adjustment method can still achieve stable and high-precision air pressure adjustment to meet the user's stable and accurate pressure adjustment needs.

[0104] In summary, the mattress air pressure control method provided in this embodiment, on the basis of Embodiment 1, adds intelligent monitoring and evaluation of the user's sleep state, making the mattress air pressure control method more intelligent and humane. It can not only provide high-precision, low-noise air pressure adjustment, but also can select the appropriate air pressure adjustment method by monitoring the human body's sleep state, thereby improving the intelligence level of the mattress, thereby further enhancing the user's sleep experience.

[0105] On the basis of Example 1, for the features not explained in this example, the explanation in Example 1 is adopted and will not be repeated here.

[0106] Example 3

[0107] This embodiment provides an inflatable mattress, which can execute the method provided by any embodiment of the present invention, and has functional modules and beneficial effects corresponding to the execution method.

[0108] On the basis of the above-mentioned embodiments, for the features not explained in this embodiment, the explanations in other embodiments are adopted and will not be repeated here.

[0109] See also Figure 3 The inflatable mattress provided in this embodiment includes:

[0110] Airbag 1;

[0111] An inflation and deflation component 2 is connected to the airbag and is used to adjust the air pressure inside the airbag to a preset pressure value by inflation and deflation;

[0112] A temperature control device 3, which is located in the airbag and is used to change the temperature of the gas in the airbag so that the air pressure in the airbag reaches the target pressure;

[0113] The difference between the pressure value and the target air pressure is within a specified difference range.

[0114] Optionally, the inflation and deflation assembly includes an air pump and an air deflation valve. The air pump can inflate the airbag, and the air deflation valve can deflate the airbag.

[0115] In this embodiment, the temperature control device includes an electric heating element for heating the gas in the bag and / or a refrigeration device for cooling the gas in the bag.

[0116] Furthermore, a pressure sensor may be provided in the airbag to monitor the air pressure in the airbag.

[0117] On the basis of Examples 1 and 2, for features not explained in this example, the explanation in Example 1 is adopted and will not be repeated here.

[0118] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of this application, this does not limit the scope of patent protection of this application. All technical solutions generated by replacing or modifying equivalent structures or equivalent processes based on the essential concept of this application using the contents recorded in the specification and drawings of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are included in the scope of patent protection of this application.

Claims

1. A mattress air pressure control method, characterized in that: include: By means of inflating and deflating air, the air pressure inside the airbag is adjusted to a preset pressure value; The gas temperature in the airbag is changed so that the air pressure in the airbag reaches the target pressure.

2. The mattress air pressure control method according to claim 1, characterized in that: The step of changing the gas temperature in the airbag so that the air pressure in the airbag reaches the target pressure includes: The sleeping state of the human body is evaluated, and according to the evaluation result, it is determined whether the gas temperature in the airbag needs to be changed so that the air pressure in the airbag reaches the target pressure.

3. The mattress air pressure control method according to claim 2, characterized in that: The sleeping state includes a sleeping state and a waking state; the evaluating the sleeping state of the human body and judging whether it is necessary to change the gas temperature in the airbag according to the evaluation result so that the air pressure in the airbag reaches the target air pressure include: If the human body is in a sleeping state, the temperature of the gas in the airbag is changed so that the air pressure in the airbag reaches the target pressure.

4. The mattress air pressure control method according to claim 3, characterized in that: The method of evaluating the sleeping state of the human body and judging whether it is necessary to change the gas temperature in the airbag according to the evaluation result so that the air pressure in the airbag reaches the target air pressure also includes: If the human body is in a conscious state, the air pressure inside the airbag is adjusted to the target air pressure by continuing to inflate and deflate the airbag.

5. The mattress air pressure control method according to claim 2, characterized in that: The step of evaluating the sleep state of a human body comprises: The human body's sleeping state is evaluated through at least one of pressure monitoring, heart rate monitoring, and ambient light intensity monitoring.

6. The mattress air pressure control method according to claim 1, characterized in that: The step of changing the gas temperature in the airbag so that the air pressure in the airbag reaches the target pressure includes: When the preset pressure value is less than the target air pressure, the air in the airbag is heated so that the air pressure in the airbag rises to the target air pressure.

7. The mattress air pressure control method according to claim 1, characterized in that: The step of changing the gas temperature in the airbag so that the air pressure in the airbag reaches the target air pressure further includes: When the preset pressure value is greater than the target pressure: The airbag is deflated and / or the air in the airbag is cooled so that the air pressure in the airbag drops to the target air pressure.

8. The mattress air pressure control method according to claim 1, characterized in that: Before the gas temperature in the airbag is changed so that the air pressure in the airbag reaches the target pressure, the method further comprises: The target temperature of the airbag is determined according to the following formula: T2=(P2*T1) / (P1*K); in, P1 is the initial pressure inside the airbag before temperature regulation; T1 is the initial temperature of the gas inside the airbag before temperature regulation; P2 is the target air pressure inside the airbag after temperature adjustment; T2 is the target temperature for regulating the gas inside the rear airbag; K is the volume expansion coefficient of the balloon material.

9. An inflatable mattress, characterized in that: include: Airbags; An inflation and deflation assembly is connected to the airbag and is used to adjust the air pressure inside the airbag to a preset pressure value by inflation and deflation; A temperature control device is located in the airbag and is used to change the temperature of the gas in the airbag so that the air pressure in the airbag reaches the target pressure.

10. The inflatable mattress according to claim 9, characterized in that: The temperature control device includes an electric heating element and / or a refrigeration device.

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