Graphene heating mattress control system

Abstract

The invention relates to the technical field of heating mattress control systems, in particular to a graphene heating mattress control system which comprises a graphene heating unit, an induction unit, a data processing unit, a data fusion unit, a dynamic power adjusting unit and a hardness adjusting unit. The graphene heating unit adopts a partition design, the heating mattress is divided into a plurality of independent temperature control areas, each area is provided with a flexible graphene heating body, each area is provided with an independent driving circuit, PWM power regulation is supported, and the heating mattress has the characteristics of quick response and uniform heating; the sensing unit detects the human body position and pressure distribution by using a pressure sensor matrix, and temperature sensors are configured in a plurality of independent temperature control areas; according to the intelligent heating mattress, the relation between each part of the head, the back, the hip, the legs and the feet of a human body and a heating area is realized, accurate heating is realized, automatic and intelligent heating is realized, and different requirements are conveniently met by adaptively adjusting the hardness of the mattress.

Description

Technical Field

[0001] The present invention relates to the technical field of a graphene heating mattress control system, and particularly to a graphene heating mattress control system. Background Art

[0002] Graphene, as a two-dimensional material composed of carbon atoms arranged in a special structure, has ultra-high thermal conductivity, electrical conductivity, and excellent mechanical properties. In the field of heating mattresses, the application of graphene can provide users with a more efficient and comfortable heating experience. Compared with traditional heating methods, graphene heating mattresses can heat up quickly, and the temperature distribution is more uniform, avoiding problems of local overheating or overcooling. At the same time, the far-infrared radiation of graphene matches the wavelength of the far-infrared of the human body itself, can resonate with the water molecules in human cells, dilate capillaries, promote blood circulation, help relieve physical fatigue, and improve sleep quality.

[0003] Currently, in existing graphene heating mattresses, such as the patent with the publication number CN219661314U, this utility model discloses a graphene heating mattress, which includes an upper cushion layer, a flexible graphene heating element, and a lower cushion layer connected in sequence along the gravity direction. The upper cushion layer and the lower cushion layer are connected by the first magic tape or a zipper to limit the flexible graphene heating element within the area covered by the upper cushion layer and the lower cushion layer.

[0004] However, it is found during the use of this mattress that it is not convenient to provide different heating temperatures according to different positions of the human body, reducing the comfort and intelligent effect of use. Summary of the Invention

[0005] To solve the above technical problems, the present invention provides a graphene heating mattress control system that realizes the relationship between various parts of the human head, back, buttocks, legs, and feet and the heating area, realizes precise heating, realizes automatic and intelligent heating, and is convenient to meet different usage requirements through adaptive adjustment of the mattress hardness.

[0006] A graphene heating mattress control system of the present invention includes a graphene heating unit, a sensing unit, a data processing unit, a data fusion unit, a dynamic power adjustment unit, and a hardness adjustment unit; The graphene heating unit adopts a partition design, divides the heating mattress into multiple independently temperature-controlled areas, each area is equipped with a flexible graphene heating element, and at the same time, each area is configured with an independent drive circuit, supporting PWM power adjustment, and having characteristics of fast response and uniform heating; The sensing unit uses a pressure sensor matrix to detect the human body position and pressure distribution, configures temperature sensors in multiple independent temperature control regions, and uses an inertial measurement sensor to detect the supine and lateral lying states of the person, identify the main pressure regions, combine historical data, determine the precise position of the human body on the mattress, and establish the relationship between various parts of the human body and the heating regions; The data processing unit is used to smooth the pressure data, eliminate noise interference and generate a pressure distribution heat map, identify the main pressure regions, extract the pressure center coordinates, contact area, and pressure distribution symmetry characteristics, and distinguish the supine, lateral lying, and prone postures according to the characteristics; The data fusion unit is used to record the pressure distribution data and posture information of the user within 3 days, learn the user's sleep habits, predict the common positions of the human body on the mattress, establish the relationship between various parts of the human head, back, buttocks, legs, and feet and the heating regions, and achieve precise heating; The dynamic power adjustment unit is used to independently control each heating zone, adjust the output power according to the deviation between the set temperature and the actual temperature, ensure the stability and accuracy of temperature control. When the lateral lying posture is detected, the temperature of the corresponding area on the compressed side is increased, and the non-contact side is decreased. The deep sleep stage is judged according to the pressure change frequency, and the temperature of the torso area is automatically reduced within a certain range to improve sleep quality. The foot preheating is started by default when the machine is turned on, and it switches to the heat preservation mode after reaching the set temperature, with reduced power consumption; The hardness adjustment unit is used to adjust the hardness of the mattress; by dividing the mattress into multiple independent temperature control regions, each region is equipped with a flexible graphene heating element, and at the same time, each region is configured with an independent drive circuit to support PWM power adjustment, realize the relationship between various parts of the human head, back, buttocks, legs, and feet and the heating regions, achieve precise heating, and adjust the temperature of the corresponding area by detecting the human body posture to realize automatic and intelligent heating. By adaptively adjusting the hardness of the mattress, it is convenient to meet the usage requirements of different needs.

[0007] Preferably, the data fusion unit includes a data acquisition unit, a data cleaning unit, a feature extraction unit, a habit modeling unit, and a position preference prediction unit; The data acquisition unit is used to collect the data of the pressure distribution sensor and capture the pressure values of various parts of the human body in real time; The data cleaning unit is used to filter out the abnormal peaks during turning over and retain the effective pressure distribution data; The feature extraction unit extracts the key pressure features through edge computing; The habit modeling unit records the pressure distribution and posture data of the user within 3 days and establishes a sleep cycle model; The position preference prediction unit is used to predict the user's common sleeping position the next day. The target area is preheated in advance according to the prediction results. Based on the pressure distribution and posture data, the five key parts of the head, back, buttocks, legs and feet are identified, and the mattress is divided into five independent heating zones. Each area corresponds to a part of the human anatomy, and the temperature of each area is adjusted independently to avoid local overheating.

[0008] Preferably, the pressure sensor matrix layout adopts a horizontal spacing of 10 cm and a vertical spacing of 8 cm, covering 95% of the mattress surface area to ensure accurate perception of various parts of the human body, and the pressure distribution sensor is pre-equipped with a charge amplifier to ensure the accuracy and real-time performance of the sensor data; The inertial measurement sensors are installed at the four corners of the mattress to detect turning over movements, provide auxiliary data for posture recognition, and improve the accuracy of posture detection.

[0009] Preferably, the hardness adjustment unit is used in conjunction with the sensing unit, and the hardness adjustment unit includes a support unit, a control unit and an operation terminal; The support unit is composed of multiple independent airbags, which are distributed inside the mattress according to ergonomic principles. Each airbag can independently withstand pressure and change its own hardness, so as to achieve precise adjustment of different areas of the mattress, while making it easier to keep the mattress as a whole at the same hardness. The control unit is used to inflate or exhaust the airbag, and cooperates with the solenoid valve to increase the pressure in the airbag to make the mattress harder, and reduce the pressure to make the mattress softer; The operation terminal uses the remote control and mobile phone application to control and adjust the control unit. The user can set the hardness mode of the mattress, adjust parameters, and view the status information of the mattress in real time through the operation terminal; The hardness adjustment unit uses the sensor of the sensing unit to detect the user's weight distribution, and automatically adjusts the pressure of the supporting unit in combination with the preset initial parameters to make the mattress reach a basic softness and hardness state.

[0010] Preferably, it also includes an overheat protection unit, an overcurrent protection unit and a leakage protection unit; The overheat protection unit embeds a high-precision thermistor in each heating zone to monitor the temperature in real time. When the temperature in any zone reaches 70°C, the relay is triggered to disconnect the power supply and start the buzzer alarm. When the temperature drops to 60°C, the device needs to be manually restarted. The overcurrent protection unit uses a self-recovering PPTC device, and the drive circuit has a built-in current sampling resistor to monitor the current in real time and limit the PWM duty cycle to achieve primary protection. The PPTC is used as the final fuse to prevent continuous overcurrent from causing fire and achieve secondary protection. The leakage protection unit monitors the current vector sum of the live wire and the neutral wire through the zero-sequence current transformer. When the leakage current is greater than 5mA, the power cut-off mechanism is triggered.

[0011] Preferably, it further includes a communication unit; The communication unit supports Wi-Fi, Bluetooth, and Zigbee triple-mode connections to enable control by a mobile phone APP voice assistant.

[0012] Preferably, the heating mattress includes a support device, a cover, a heating pad body, a spacer, multiple groups of inertial measurement sensors, multiple groups of pressure sensors, and multiple groups of temperature sensors. The heating pad body is arranged at the top of the cover, and a flexible graphene heating element is arranged inside the heating pad body. The spacer is arranged below the heating pad body. Multiple groups of inertial measurement sensors are respectively arranged at the four corners of the top of the spacer. Multiple groups of pressure sensors and multiple groups of temperature sensors are respectively arranged in a matrix at the top of the spacer. A support device is arranged at the bottom of the spacer, and the support device is used to provide elastic support with different softness and hardness levels at different positions of the spacer; the heating pad body is heated by the flexible graphene heating element, so as to heat the human body through the heating pad body. Through the cooperation and induction of multiple groups of inertial measurement sensors, multiple groups of pressure sensors, and multiple groups of temperature sensors, it is convenient to control different positions of the heating pad body to be heated to different degrees. Through the support device providing elastic support with different softness and hardness levels at different positions or as a whole of the spacer, the diverse needs of different users for the softness and hardness of the mattress are met.

[0013] Preferably, the support device includes multiple groups of airbags, electromagnetic valves, delivery pipes, and a sound insulation housing. Multiple groups of airbags are all arranged below the spacer. Multiple groups of electromagnetic valves are respectively connected and arranged on multiple groups of airbags. The delivery pipes are connected and arranged on multiple groups of electromagnetic valves. The sound insulation housing is installed on the outer side wall of the cover, and a pump body is arranged inside the sound insulation housing. The pump body is connected to the delivery pipes; the pump body transports air into multiple groups of airbags through the delivery pipes and multiple groups of electromagnetic valves, causing multiple groups of airbags to expand and support the spacer. When the pump body inflates multiple groups of airbags, by respectively controlling the opening and closing of multiple groups of electromagnetic valves, it is convenient to achieve filling different pressures of air into different airbags, improving the convenience of adjusting the softness and hardness levels of multiple groups of airbags.

[0014] Preferably, it further includes a support pad and multiple groups of springs. Multiple groups of springs are all arranged at the bottom inside the cover. The support pad is arranged at the top of multiple groups of springs. The top of the support pad is connected to the bottom ends of multiple groups of airbags; the multiple groups of airbags are supported by the support pad and multiple groups of springs, so as to improve the overall elastic effect of the mattress and the comfort of using the mattress.

[0015] Preferably, the operation terminal uses a remote control and a mobile phone application program to simultaneously control and adjust the dynamic power adjustment unit, realizing the convenience of manual control and adjustment of mattress heating.

[0016] The beneficial effects of the present invention compared with the prior art are as follows: By dividing the mattress into multiple independent temperature control zones, each zone is equipped with a flexible graphene heating element, and each zone is configured with an independent drive circuit to support PWM power regulation, realizing the relationship between various parts of the human body's head, back, buttocks, legs, and feet and the heating zones, achieving precise heating, and adjusting the temperature of the corresponding zones by detecting the human body posture to realize automated and intelligent heating. By adjusting the adaptability of the mattress hardness, it is convenient to meet the usage requirements of different needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is an isometric structural schematic diagram of the present invention; Figure 2 is a structural schematic diagram of a graphene heating unit, an induction unit, etc.; Figure 3 is a structural schematic diagram of a data fusion unit; Figure 4 is a structural schematic diagram of an induction unit; Figure 5 is an isometric structural schematic diagram of the connection between a cover body and a heating pad body, etc.; Figure 6 is an isometric structural schematic diagram of the connection between a spacer pad and an inertial measurement sensor, etc.; Figure 7 is an isometric structural schematic diagram of the connection between a support pad and a spring, etc.; Figure 8 is a partial isometric structural schematic diagram of the connection between a solenoid valve and a delivery pipe, etc.; Figure 9 is a partial isometric structural schematic diagram of the connection between a delivery pipe and a pump body, etc.

[0018] Reference numerals in the drawings: 101, cover body; 102, heating pad body; 103, spacer pad; 104, inertial measurement sensor; 105, pressure sensor; 106, temperature sensor; 201, airbag; 202, solenoid valve; 203, delivery pipe; 204, sound insulation housing; 301, support pad; 302, spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

[0020] Embodiment 1 A graphene heating mattress control system of the present invention includes a graphene heating unit, an induction unit, a data processing unit, a data fusion unit, a dynamic power regulation unit, and a hardness regulation unit; The graphene heating unit adopts a partition design, dividing the heating mattress into multiple independently temperature-controlled areas. Each area is equipped with a flexible graphene heating element, and at the same time, each area is configured with an independent drive circuit, supporting PWM power adjustment, and having the characteristics of fast response and uniform heating; The sensing unit uses a pressure sensor matrix to detect the human body position and pressure distribution. By configuring temperature sensors in multiple independently temperature-controlled areas, and using an inertial measurement sensor to detect the supine and lateral lying states of the person, identifying the main pressure areas, and combining historical data, it judges the precise position of the human body on the mattress and establishes the relationship between various parts of the human body and the heating areas; The data processing unit is used to perform smoothing processing on the pressure data, eliminate noise interference and generate a pressure distribution heat map, identify the main pressure areas, extract the pressure center coordinates, contact area, and pressure distribution symmetry characteristics, and distinguish the supine, lateral lying, and prone postures according to the characteristics; The data fusion unit is used to record the pressure distribution data and posture information of the user within 3 days, learn the user's sleep habits, predict the common positions of the human body on the mattress, establish the relationship between various parts of the human head, back, buttocks, legs, and feet and the heating areas, and achieve precise heating; The dynamic power adjustment unit is used to independently control each heating zone, adjust the output power according to the deviation between the set temperature and the actual temperature, ensure the stability and accuracy of temperature control. When the lateral lying posture is detected, the temperature of the corresponding area on the compressed side is increased, and the non-contact side is decreased. According to the pressure change frequency, the deep sleep stage is judged, and the temperature of the torso area is automatically reduced within a certain range to improve sleep quality. When starting up, the foot preheating is default started, and after reaching the set temperature, it switches to the heat preservation mode, reducing power consumption; The hardness adjustment unit is used to adjust the hardness of the mattress; The data fusion unit includes a data acquisition unit, a data cleaning unit, a feature extraction unit, a habit modeling unit, and a position preference prediction unit; The data acquisition unit is used to collect the data of the pressure distribution sensor and capture the pressure values of various parts of the human body in real time; The data cleaning unit is used to filter out the abnormal peaks during turning over and retain the effective pressure distribution data; The feature extraction unit extracts the key pressure features through edge computing; The habit modeling unit records the pressure distribution and posture data of the user within 3 days and establishes a sleep cycle model; The position preference prediction unit is generally used to predict the common positions of the user during sleep the next day, preheat the target area in advance according to the prediction results, and based on the pressure distribution and posture data, identify 5 key parts of the head, back, buttocks, legs, and feet, divide the mattress into 5 independent heating zones, each zone corresponding to the human anatomical part, and each zone independently adjusts the temperature to avoid local overheating; In this embodiment, the mattress is divided into multiple independent temperature control areas, each area is equipped with a flexible graphene heating body, and each area is configured with an independent driving circuit to support PWM power regulation. The relationship between the head, back, buttocks, legs, and feet of the human body and the heating area is realized to achieve precise heating. The temperature of the corresponding area is adjusted by detecting the posture of the human body to achieve automatic and intelligent heating. The hardness of the mattress can be adaptively adjusted to meet different needs.

[0021] Example 2 On the basis of Example 1, a graphene heating mattress control system of the present invention, the pressure sensor matrix layout adopts a horizontal spacing of 10 cm and a vertical spacing of 8 cm, covering 95% of the mattress surface area, ensuring accurate perception of various parts of the human body, and the pressure distribution sensor is pre-equipped with a charge amplifier to ensure the accuracy and real-time performance of the sensor data; The inertial measurement sensors are installed at the four corners of the mattress to detect turning over movements, provide auxiliary data for posture recognition, and improve the accuracy of posture detection; The hardness adjustment unit is used in conjunction with the sensing unit, and the hardness adjustment unit includes a support unit, a control unit and an operation terminal; The support unit is composed of multiple independent airbags, which are distributed inside the mattress according to ergonomic principles. Each airbag can independently withstand pressure and change its own hardness, so as to achieve precise adjustment of different areas of the mattress, while making it easier to keep the mattress as a whole at the same hardness. The control unit is used to inflate or exhaust the airbag, and cooperates with the solenoid valve to increase the pressure in the airbag to make the mattress harder, and reduce the pressure to make the mattress softer; The operation terminal uses the remote control and mobile phone application to control and adjust the control unit. The user can set the hardness mode of the mattress, adjust parameters, and view the status information of the mattress in real time through the operation terminal; The hardness adjustment unit uses the sensor of the sensing unit to detect the user's weight distribution, and automatically adjusts the pressure of the support unit in combination with the preset initial parameters to make the mattress reach a basic softness and hardness state; It also includes an overheat protection unit, an overcurrent protection unit and a leakage protection unit; The overheat protection unit embeds a high-precision thermistor in each heating zone to monitor the temperature in real time. When the temperature in any zone reaches 70°C, the relay is triggered to disconnect the power supply and start the buzzer alarm. When the temperature drops to 60°C, the device needs to be manually restarted. The overcurrent protection unit uses a self-recovering PPTC device, and the drive circuit has a built-in current sampling resistor to monitor the current in real time and limit the PWM duty cycle to achieve primary protection. The PPTC is used as the final fuse to prevent continuous overcurrent from causing fire and achieve secondary protection. The leakage protection unit monitors the vector sum of the currents of the live wire and the neutral wire through a zero-sequence current transformer. When the leakage current > 5 mA, it triggers the power cut-off mechanism; It also includes a communication unit; The communication unit supports Wi-Fi, Bluetooth, and Zigbee triple-mode connections to achieve control by a mobile phone APP voice assistant; The operation terminal uses a remote control and a mobile application to control and adjust the dynamic power regulation unit simultaneously, realizing the convenience of manual control and adjustment of the mattress heating.

[0022] Embodiment 3 Based on Embodiment 1, a graphene heating mattress control system of the present invention, the heating mattress includes a support device, a cover 101, a heating pad 102, a spacer 103, multiple groups of inertial measurement sensors 104, multiple groups of pressure sensors 105, and multiple groups of temperature sensors 106. The heating pad 102 is arranged at the top of the cover 101, and a flexible graphene heating element is arranged inside the heating pad 102. The spacer 103 is arranged below the heating pad 102. Multiple groups of inertial measurement sensors 104 are respectively arranged at the four corners of the top of the spacer 103. Multiple groups of pressure sensors 105 and multiple groups of temperature sensors 106 are respectively arranged in a matrix at the top of the spacer 103. A support device is arranged at the bottom of the spacer 103, and the support device is used to provide elastic support with different soft and hard degrees at different positions of the spacer 103; The support device includes multiple groups of airbags 201, solenoid valves 202, delivery pipes 203, and a sound insulation housing 204. Multiple groups of airbags 201 are all arranged below the spacer 103. Multiple groups of solenoid valves 202 are respectively connected and arranged on multiple groups of airbags 201. The delivery pipes 203 are connected and arranged on multiple groups of solenoid valves 202. The sound insulation housing 204 is installed on the outer wall of the cover 101, and a pump body is arranged inside the sound insulation housing 204, and the pump body is connected to the delivery pipes 203; It also includes a support pad 301 and multiple groups of springs 302. The multiple groups of springs 302 are all arranged at the inner bottom of the cover body 101. The support pad 301 is arranged at the top ends of the multiple groups of springs 302, and the top end of the support pad 301 is connected to the bottom ends of the multiple groups of air bags 201. The heating pad body 102 is heated by the flexible graphene heating element, so that the heating pad body 102 heats the human body. Through the cooperation and induction of multiple groups of inertial measurement sensors 104, multiple groups of pressure sensors 105 and multiple groups of temperature sensors 106, it is convenient to control different positions of the heating pad body 102 to perform heating to different degrees. The elastic support with different soft and hard degrees is provided for different positions or the whole of the spacer 103 through the support device, meeting the diverse needs of different users for the soft and hard degrees of the mattress. The pump body transports air into the multiple groups of air bags 201 through the delivery pipe 203 and multiple groups of solenoid valves 202, so that the multiple groups of air bags 201 expand to support the spacer 103. When the pump body inflates the multiple groups of air bags 201, by respectively controlling the opening and closing of the multiple groups of solenoid valves 202, it is convenient to realize that different pressures of air are filled into different air bags 201, improving the convenience of adjusting the soft and hard degrees of the multiple groups of air bags 201. The multiple groups of air bags 201 are supported by the support pad 301 and the multiple groups of springs 302, so as to improve the overall elastic effect of the mattress and the use comfort of the mattress.

[0023] As Figures 1 to 9 shown, a control system of a graphene heating mattress according to the present invention, when it works, heats the heating pad body 102 through the flexible graphene heating element, so that the heating pad body 102 heats the human body. Through the cooperation and induction of multiple groups of inertial measurement sensors 104, multiple groups of pressure sensors 105 and multiple groups of temperature sensors 106, it is convenient to control different positions of the heating pad body 102 to perform heating to different degrees. The pump body transports air into the multiple groups of air bags 201 through the delivery pipe 203 and multiple groups of solenoid valves 202, so that the multiple groups of air bags 201 expand to support the spacer 103. When the pump body inflates the multiple groups of air bags 201, by respectively controlling the opening and closing of the multiple groups of solenoid valves 202, the adjustment of the soft and hard degrees of different air bags 201 is realized.

[0024] The main functions realized by the present invention are: 1. By dividing the mattress into multiple independent temperature control areas, each area is equipped with a flexible graphene heating element, and at the same time, each area is configured with an independent drive circuit, supporting PWM power regulation, realizing the relationship between various parts of the human head, back, buttocks, legs, feet and the heating areas, and realizing precise heating; 2. Automatically and intelligently heating by detecting the human body posture to adjust the temperature of the corresponding area; 3. Realizing precise adjustment of different areas of the mattress and at the same time facilitating the overall mattress to maintain the same hardness.

[0025] The inertial measurement sensor 104, pressure sensor 105, temperature sensor 106, and solenoid valve 202 of a graphene heating mattress control system of the present invention are purchased on the market. Those skilled in the industry only need to install and operate them according to the attached instruction manual, without the need for creative labor from those skilled in the art.

[0026] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art in the technical field, without departing from the technical principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A graphene heating mattress control system, characterized in that, It includes a graphene heating unit, a sensing unit, a data processing unit, a data fusion unit, a dynamic power regulation unit, and a hardness regulation unit; The graphene heating unit adopts a partitioned design, dividing the heating mattress into multiple independently temperature-controlled areas. Each area is equipped with a flexible graphene heating element, and each area is configured with an independent drive circuit, supporting PWM power regulation, with the characteristics of fast response and uniform heating; The sensing unit uses a pressure sensor matrix to detect the human body position and pressure distribution. By configuring temperature sensors in multiple independently temperature-controlled areas and using inertial measurement sensors to detect the supine and lateral lying postures of the person, the main pressure areas are identified. Combining historical data, the precise position of the human body on the mattress is judged, and the relationship between each part of the human body and the heating area is established; The data processing unit is used to smooth the pressure data, eliminate noise interference and generate a pressure distribution heat map, identify the main pressure areas, extract the pressure center coordinates, contact area, and pressure distribution symmetry characteristics, and distinguish the supine, lateral lying, and prone postures according to the characteristics; The data fusion unit is used to record the pressure distribution data and posture information of the user within 3 days, learn the user's sleep habits, predict the common positions of the human body on the mattress, establish the relationship between each part of the human head, back, buttocks, legs, and feet and the heating area, and achieve precise heating; The dynamic power regulation unit is used to independently control each heating zone, adjust the output power according to the deviation between the set temperature and the actual temperature, ensure the stability and accuracy of temperature control. When the lateral lying posture is detected, the temperature of the corresponding area on the compressed side is increased, and the non-contact side is decreased. According to the pressure change frequency, the deep sleep stage is judged, and the temperature of the torso area is automatically reduced within a certain range to improve sleep quality. The foot preheating is started by default when the machine is turned on, and it switches to the heat preservation mode after reaching the set temperature, reducing power consumption; The hardness regulation unit is used to adjust the hardness of the mattress.

2. The control system of a graphene heating mattress according to claim 1, characterized in that, The data fusion unit includes a data acquisition unit, a data cleaning unit, a feature extraction unit, a habit modeling unit, and a position preference prediction unit; The data acquisition unit is used to collect the data of the pressure distribution sensor and capture the pressure values of each part of the human body in real time; The data cleaning unit is used to filter out the abnormal peaks at the moment of turning over and retain the effective pressure distribution data; The feature extraction unit extracts the key pressure features through edge computing; The habit modeling unit records the pressure distribution and posture data of the user within 3 days and establishes a sleep cycle model; The position preference prediction unit is generally used to predict the common positions of the user during sleep the next day, preheat the target area in advance according to the prediction results. Based on the pressure distribution and posture data, 5 key parts of the head, back, buttocks, legs, and feet are identified, and the mattress is divided into 5 independent heating zones. Each zone corresponds to a human anatomical part, and the temperature of each zone is independently adjusted to avoid local overheating.

3. The control system of a graphene heating mattress according to claim 1, characterized in that, The layout of the pressure sensor matrix adopts a horizontal spacing of 10 cm and a vertical spacing of 8 cm, covering 95% of the mattress surface area to ensure the precise perception of each part of the human body. The pressure distribution sensor is pre-equipped with a charge amplifier to ensure the accuracy and real-time performance of the sensor data; The inertial measurement sensors are installed at the four corners of the mattress to detect turning over movements, provide auxiliary data for posture recognition, and improve the accuracy of posture detection.

4. The control system of a graphene heating mattress according to claim 1, characterized in that, The hardness adjustment unit is used in conjunction with the sensing unit, and the hardness adjustment unit includes a support unit, a control unit and an operation terminal; The support unit is composed of multiple independent airbags, which are distributed inside the mattress according to ergonomic principles. Each airbag can independently withstand pressure and change its own hardness, so as to achieve precise adjustment of different areas of the mattress, while making it easier to keep the mattress as a whole at the same hardness. The control unit is used to inflate or exhaust the airbag, and cooperates with the solenoid valve to increase the pressure in the airbag to make the mattress harder, and reduce the pressure to make the mattress softer; The operation terminal uses the remote control and mobile phone application to control and adjust the control unit. The user can set the hardness mode of the mattress, adjust parameters, and view the status information of the mattress in real time through the operation terminal; The hardness adjustment unit uses the sensor of the sensing unit to detect the user's weight distribution, and automatically adjusts the pressure of the supporting unit in combination with the preset initial parameters to make the mattress reach a basic softness and hardness state.

5. The control system of a graphene heating mattress according to claim 1, wherein, It also includes an overheat protection unit, an overcurrent protection unit and a leakage protection unit; The overheat protection unit embeds a high-precision thermistor in each heating zone to monitor the temperature in real time. When the temperature in any zone reaches 70°C, the relay is triggered to disconnect the power supply and start the buzzer alarm. When the temperature drops to 60°C, the device needs to be manually restarted. The overcurrent protection unit uses a self-recovering PPTC device, and the drive circuit has a built-in current sampling resistor to monitor the current in real time and limit the PWM duty cycle to achieve primary protection. The PPTC is used as the final fuse to prevent continuous overcurrent from causing fire and achieve secondary protection. The leakage protection unit monitors the current vector sum of the live wire and the neutral wire through the zero-sequence current transformer. When the leakage current is greater than 5mA, the power cut-off mechanism is triggered.

6. The control system of a graphene heating mattress according to claim 1, wherein Also included is a communication unit; The communication unit supports Wi-F, Bluetooth and Zigbee three-mode connections, realizing mobile phone APP voice assistant control.

7. The control system of a graphene heating mattress according to claim 1, characterized in that, The heating mattress comprises a supporting device, a cover body (101), a heating pad body (102), a spacer (103), a plurality of groups of inertial measurement sensors (104), a plurality of groups of pressure sensors (105) and a plurality of groups of temperature sensors (106); the heating pad body (102) is arranged at the top of the cover body (101), and a flexible graphene heating body is arranged in the heating pad body (102); the spacer (103) is arranged below the heating pad body (102); the plurality of groups of inertial measurement sensors (104) are respectively arranged at the positions of the four corners of the top of the spacer (103); the plurality of groups of pressure sensors (105) and the plurality of groups of temperature sensors (106) are respectively arranged in a matrix at the top of the spacer (103); and a supporting device is arranged at the bottom of the spacer (103); the supporting device is used to provide elastic support of different degrees of hardness and softness to different positions of the spacer (103).

8. The control system of a graphene heating mattress according to claim 7, characterized in that, The support device includes multiple groups of air bags (201), solenoid valves (202), delivery pipes (203) and sound insulation housings (204). The multiple groups of air bags (201) are all arranged below the spacer (103). The multiple groups of solenoid valves (202) are respectively connected and arranged on the multiple groups of air bags (201). The delivery pipes (203) are connected and arranged on the multiple groups of solenoid valves (202). The sound insulation housings (204) are installed on the outer side wall of the cover body (101). A pump body is arranged inside the sound insulation housings (204), and the pump body is communicated with the delivery pipes (203).

9. The control system of a graphene heating mattress according to claim 8, characterized in that, It further includes a support pad (301) and multiple groups of springs (302). The multiple groups of springs (302) are all arranged at the inner bottom of the cover body (101). The support pad (301) is arranged at the top of the multiple groups of springs (302). The top of the support pad (301) is connected to the bottom ends of the multiple groups of air bags (201).

10. A graphene heating mattress control system according to claim 4, characterized in that, The operation terminal uses a remote controller and a mobile phone application program to control and adjust the dynamic power adjustment unit at the same time, realizing the convenience of manual control and adjustment of the mattress heating.

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