CN-122004619-A - Intelligent sofa system with health monitoring function

CN122004619ACN 122004619 ACN122004619 ACN 122004619ACN-122004619-A

Abstract

The invention relates to the technical field of intelligent sofa systems and discloses an intelligent sofa system with a health monitoring function, which comprises a physiological signal acquisition module, an environment monitoring module, a data processing module, a communication module ‌ and a user interaction module ‌, wherein the physiological signal acquisition module comprises a pressure distribution sensor, a heart rate monitoring sensor, a body temperature sensor and a respiratory rate sensor, the pressure distribution sensor ‌ is embedded below a sponge layer of a ‌ cushion and a cushion ‌, the whole surface of the contact surface of a user is covered, the heart rate monitoring sensor ‌ and the body temperature sensor are arranged in a pair in a shoulder area ‌ of the ‌ backrest and the inner side of a ‌ armrest, the respiratory rate sensor comprises a piezoelectric film ‌ and a microwave radar, the piezoelectric film is attached to the inner side lining of the ‌ backrest, the microwave radar ‌ is arranged at a ‌ backrest or a position ‌ opposite to the inside of the sofa, and the system can enable the user to complete daily health monitoring under a natural sitting posture without additional wearing equipment, so that the convenience of health management of the user is improved.

Inventors

WU CHANGJUN
Mu Dezheng
WU XIAOYUAN

Assignees

弗克思家居(南通)有限公司

Dates

Publication Date: 20260512
Application Date: 20260227

Claims (9)

1. An intelligent sofa system with a health monitoring function is characterized by comprising a physiological signal acquisition module, an environment monitoring module, a data processing module, a communication module ‌ and a user interaction module ‌; The physiological signal acquisition module comprises a pressure distribution sensor, a heart rate monitoring sensor, a body temperature sensor and a respiratory rate sensor, wherein the pressure distribution sensor ‌ is embedded below a sponge layer ‌ of a cushion and a cushion of ‌ and fully covers the contact surface of a user body, the heart rate monitoring sensor ‌ and the ‌ body temperature sensor are arranged in pairs in a shoulder area ‌ of a ‌ backrest and the inner side of a ‌ handrail, the respiratory rate sensor comprises a piezoelectric film ‌ and a microwave radar, the piezoelectric film is attached to the lower ‌ of the inner lining of the ‌ backrest, works by detecting tiny pressure changes generated by breathing of the back of the user, and the microwave radar ‌ is arranged at a position ‌ of the back of ‌ or the inner part of the sofa, which is opposite to the thoracic cavity, and can detect fluctuation without contact; the data processing module ‌ comprises a microcontroller unit and ‌ edge computing nodes which are integrated on the same main control board and are mounted on a rigid frame below the base of the sofa ‌, the communication module ‌ comprises a Wi-Fi module and an NFC module ‌, the Wi-Fi module and the main control board are mounted on the ‌ base frame ‌ together, the NFC module is embedded under the surface of the top of a ‌ armrest ‌, a user can recognize the data by touching the data with a mobile phone or an NFC card, the user interaction module ‌ comprises a touch screen and a voice prompt speaker ‌, the touch screen is mounted on a certain side armrest ‌ of the sofa ‌ in an embedded mode and serves as a main data display and setting terminal, and the voice prompt speaker is mounted in a cavity ‌ in the sofa ‌.
2. The intelligent sofa system with health monitoring function of claim 1, wherein the environment monitoring module comprises a temperature and humidity sensor and an environment light sensor, the environment monitoring unit is installed at a hidden ventilation position ‌ on the back or the side of the sofa ‌ for sensing environment parameters, and the environment light sensor ‌ is installed at a ‌ outer side frame or a handrail front end ‌ of the sofa for sensing environment illumination intensity ‌ ‌.
3. The intelligent sofa system with health monitoring function according to claim 1, wherein the physiological signal acquisition module and the environment monitoring module are connected to a micro-controller unit of the data processing module through ‌ I2C, SPI or an analog interface ‌, and the micro-controller unit ‌ is responsible for supplying power to the sensor, reading raw data, performing ‌ filtering, noise reduction and preprocessing ‌ of analog-to-digital conversion ‌.
4. The intelligent sofa system with health monitoring function of claim 1, wherein the pressure distribution sensor is a flexible film pressure sensor array, and is composed of a plurality of independent pressure units, wherein each pressure unit is connected with a main control board through a wire, and can generate a pressure distribution thermodynamic diagram ‌ of a sitting posture of a user in real time.
5. The intelligent sofa system with health monitoring function of claim 1, wherein the heart rate monitoring sensor is a photoplethysmograph sensor which extracts heart rate signals by emitting infrared light and detecting reflected light intensity changes, and the body temperature sensor is a thermistor type sensor which measures skin temperature of a user through contact.
6. The intelligent sofa system with health monitoring function of claim 1, wherein the thickness of the piezoelectric film is 0.1-0.5mm, the surface is coated with polyvinylidene fluoride coating to enhance sensitivity, the emission frequency of the microwave radar is 24GHz, and the chest displacement ‌ ‌ is detected through Doppler effect.
7. The intelligent sofa system with health monitoring function of claim 1, wherein the microcontroller unit of the data processing module adopts ARM Cortex-M series chips, a digital signal processing unit is arranged in the ARM Cortex-M series chips and is used for processing physiological signals and environmental data in real time, and the edge computing node is integrated with a machine learning algorithm and can perform abnormality detection and trend analysis on the health state of a user.
8. The intelligent sofa system with health monitoring function of claim 1, wherein the Wi-Fi module of the communication module supports IEEE 802.11n/ac protocol, which transmits data to the cloud server through an encrypted channel, and the NFC module supports ISO/IEC 14443 standard, which can perform bidirectional data interaction with a smart phone or an NFC tag.
9. The intelligent sofa system with health monitoring function of claim 1, wherein the touch screen of the user interaction module is a capacitive touch screen, the resolution of the touch screen is 1280×720 pixels, the touch screen supports multi-touch and gesture recognition, the voice prompt speaker adopts a full-band speaker, the output power of the voice prompt speaker is 5W, and personalized health advice ‌ can be played.

Description

Intelligent sofa system with health monitoring function Technical Field The invention belongs to the technical field of intelligent sofa systems, and particularly relates to an intelligent sofa system with a health monitoring function. Background With the acceleration of the aging process of population and the upgrading of health management requirements, higher requirements are put on the convenience, real-time performance and safety of home health monitoring in a home scene. Although the traditional intelligent sofa has a basic comfort adjusting function, a remarkable short board exists in the health monitoring field, on one hand, the traditional intelligent sofa depends on wearable equipment such as an intelligent bracelet and a chest strap to acquire physiological signals, a user needs to wear the equipment additionally, so that the monitoring process is tedious and uncomfortable, the 'no-sense monitoring' requirement is difficult to meet, on the other hand, the prior art lacks depth perception capability on the physiological state of the user, real-time collaborative monitoring of key indexes such as heart rate, respiratory rate, body temperature, sitting posture pressure distribution and the like cannot be realized, personalized health intervention advice cannot be provided based on multidimensional data, and the health management effect is limited. ‌ ‌ A Therefore, we propose an intelligent sofa system with health monitoring function. Disclosure of Invention The application aims to enable a user to finish daily health monitoring in a natural sitting posture without additional wearing equipment, and improve convenience in health management of the user. The technical scheme adopted by the invention is as follows: an intelligent sofa system with a health monitoring function comprises a physiological signal acquisition module, an environment monitoring module, a data processing module, a communication module ‌ and a user interaction module ‌; The physiological signal acquisition module comprises a pressure distribution sensor, a heart rate monitoring sensor, a body temperature sensor and a respiratory rate sensor, wherein the pressure distribution sensor ‌ is embedded below a sponge layer ‌ of a cushion and a cushion of ‌ and fully covers the contact surface of a user body, the heart rate monitoring sensor ‌ and the ‌ body temperature sensor are arranged in pairs in a shoulder area ‌ of a ‌ backrest and the inner side of a ‌ handrail, the respiratory rate sensor comprises a piezoelectric film ‌ and a microwave radar, the piezoelectric film is attached to the lower ‌ of the inner lining of the ‌ backrest, works by detecting tiny pressure changes generated by breathing of the back of the user, and the microwave radar ‌ is arranged at a position ‌ of the back of ‌ or the inner part of the sofa, which is opposite to the thoracic cavity, and can detect fluctuation without contact; the data processing module ‌ comprises a microcontroller unit and ‌ edge computing nodes which are integrated on the same main control board and are mounted on a rigid frame below the base of the sofa ‌, the communication module ‌ comprises a Wi-Fi module and an NFC module ‌, the Wi-Fi module and the main control board are mounted on the ‌ base frame ‌ together, the NFC module is embedded below the surface of the top of the ‌ armrest ‌, a user can recognize the data by touching the data with a mobile phone or an NFC card, the user interaction module ‌ comprises a touch screen and a voice prompt speaker ‌, the touch screen is mounted on a certain side armrest ‌ of the sofa ‌ in an embedded mode and serves as a main data display and setting terminal, and the voice prompt speaker is mounted in a cavity ‌ inside the sofa ‌. In a preferred mode of the invention, the environmental monitoring module includes a temperature and humidity sensor and an environmental light sensor, the environmental monitoring unit is installed at a hidden ventilation site ‌ on the back or side of the sofa ‌ for sensing environmental parameters, and the environmental light sensor ‌ is installed at a side frame or a front end ‌ of the armrest on the outer side of the sofa ‌ for sensing environmental illumination intensity. In a preferred embodiment of the invention, the physiological signal acquisition module and the environmental monitoring module are connected to the microcontroller unit of the data processing module via ‌ I2C, SPI or analog interface ‌, and the microcontroller unit ‌ is responsible for powering the sensor, reading raw data, performing ‌ filtering, noise reduction and analog-to-digital conversion ‌ preprocessing. In a preferred mode of the invention, the pressure distribution sensor is a flexible film pressure sensor array, and consists of a plurality of independent pressure units, and each pressure unit is connected with the main control board through a wire and can generate pressure distribution thermodynamic diagrams of sitting postures of us