Air temperature control mattress with vital sign monitoring function

Abstract

The invention relates to an air temperature control mattress with a vital sign monitoring function. The air temperature control mattress comprises an air temperature control mattress body and a vital sign monitoring device, the whole air temperature control mattress body is in a cuboid shape, and a head area, a chest and abdomen area and a leg area are arranged on the upper surface of the air temperature control mattress body; the vital sign monitoring device is mounted right below the thoracic and abdominal area in the air temperature control mattress body, and is used for acquiring cardiopulmonary motion information so as to obtain health parameters of a cardiopulmonary system. The system has the advantages that vital signs of a person are monitored when the person sleeps, signals such as respiration and heart rate of the human body are obtained in a non-contact mode, and non-contact, non-inductive and long-time vital sign monitoring is achieved; part of warm air blown out of the air supply main machine permeates out of the pad body through the upper-layer pad and the lower-layer pad through the air supply channel, most of the warm air flows out of the pad body through the air holes, and the effects of heat transfer and circulation and pad body dehumidification and drying are effectively achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of wind-controlled temperature mattresses, and more particularly to a wind-controlled temperature mattress with a vital sign monitoring function. Background Art

[0002] As people's quality of life continues to improve, everyone is concerned about their health and continues to spend money to manage and maintain their health. Traditional personal health management often involves seeing a doctor when you are sick, but ignores the usual health monitoring before entering the hospital.

[0003] Sleep is an important way for the body to regulate its own health. About one-third of a person's life is spent sleeping. The quality of sleep is directly related to people's health and affects their quality of life. However, it is particularly important to monitor vital signs during sleep, especially for the elderly and those with underlying diseases.

[0004] Therefore, we propose a wind-controlled temperature mattress with vital signs monitoring function.

[0005] The preceding description is intended to provide general background information and does not necessarily constitute prior art. Summary of the invention

[0006] The purpose of the present invention is to provide a wind-controlled temperature mattress with a vital sign monitoring function, which can obtain the human body's breathing signal in a contactless manner when a person is sleeping, thereby realizing contactless, non-sensitive, and long-term vital sign monitoring.

[0007] The present invention provides a wind-controlled temperature mattress with a vital sign monitoring function, comprising a wind-controlled temperature mattress body and a vital sign monitoring device; the wind-controlled temperature mattress body is in a rectangular shape as a whole, and a head area, a chest and abdomen area and a leg area are arranged on the wind-controlled temperature mattress body; the vital sign monitoring device is installed inside the wind-controlled temperature mattress body and directly below the chest and abdomen area, and the vital sign monitoring device is used to obtain cardiopulmonary movement information, and then obtain health parameters of the cardiopulmonary system.

[0008] Furthermore, the wind-controlled temperature mattress body includes an upper pad, a lower pad and a sealing pad, and the head area, the chest and abdomen area and the leg area are arranged on the upper pad; a monitoring device installation groove is arranged on the lower pad, and a sealing opening is arranged at the edge of the monitoring device installation groove; the vital sign monitoring device is installed in the monitoring device installation groove, and the sealing pad cover is arranged at the sealing opening; the lower cover of the upper pad is arranged on the lower pad.

[0009] Furthermore, a plurality of air supply channels are provided under the upper pad, and a plurality of air holes penetrating the surface of the upper pad are provided on the air supply channels; the air-controlled temperature mattress body also includes an air supply main unit, and an air supply main unit mounting port is provided at the edge of the air-controlled temperature mattress body, the air supply main unit is mounted on the air supply main unit mounting port, and the air supply channels are connected to the air outlet of the air supply main unit.

[0010] Furthermore, the distribution density of the air holes gradually increases as the air supply channel moves away from the air supply main unit accommodating chamber.

[0011] Furthermore, the upper pad, the lower pad and the sealing pad are made of polyurethane foam material; or the upper pad, the lower pad and the sealing pad are made of sponge.

[0012] Furthermore, the head area is located at one end away from the air supply main unit.

[0013] Furthermore, the upper pad, the lower pad and the sealing pad are all integrally formed.

[0014] Furthermore, a temperature and humidity sensing probe is provided on the upper pad, the circuit board of the air supply main unit is connected to the temperature and humidity sensing probe, and the temperature and humidity sensing probe is used to detect the temperature and humidity of the air-controlled temperature mattress body.

[0015] Furthermore, the circuit board of the air supply host is connected to the vital signs monitoring device for powering the vital signs monitoring device and transmitting data; the vital signs monitoring device includes a fusion signal generating unit, a power divider, a power amplifier, a transmitting antenna, a receiving antenna, a low noise amplifier, a mixer, a baseband signal processing unit, a beat frequency signal processing unit, an interference signal processing unit, a human presence detection unit, an environmental clutter removal unit and a Doppler vital signs extraction unit; the fusion signal generating unit generates an electromagnetic wave transmission signal according to a preset FMCW / CW fusion waveform; the power divider, the power amplifier, the transmitting antenna, the receiving antenna, the low noise amplifier and the mixer constitute a radio frequency front end; the power divider outputs the transmission signal to the transmitting antenna end for transmission and to the mixer for mixing with the receiving signal to generate a down-converted intermediate frequency signal, the power amplifier amplifies the transmission signal, the transmitting antenna electromagnetically radiates the signal after being amplified by the power amplifier, the receiving antenna receives the electromagnetic wave reflected by the object, and the low noise amplifier receives the electromagnetic wave received by the receiving antenna The electromagnetic wave signal is amplified and noise is suppressed, the mixer mixes the received signal amplified by the low noise amplifier with the transmission signal distributed by the power divider to obtain a down-converted intermediate frequency signal, the baseband signal processing unit cuts the obtained intermediate frequency signal according to the time domain waveform of the dual-mode fusion transmission to obtain the beat frequency signal of the FMCW mode and the intermediate frequency interference signal of the CW mode respectively, the beat frequency signal processing unit solves the absolute distance and performs distance spectrum estimation processing according to the beat frequency signal information of the FMCW mode to obtain the distance spectrum information, and the interference signal processing unit performs the following steps according to the CW mode. The intermediate frequency interference information of the W mode is subjected to phase restoration processing to complete micro-displacement detection, and the displacement information of the human chest is obtained. The human presence detection unit performs human body judgment according to the amplitude value of the distance spectrum information. The environmental clutter removal unit subtracts adjacent beat frequency signals according to multiple FMCW beat frequency signals to obtain a beat frequency signal with environmental clutter removed. The Doppler vital sign extraction unit performs Fourier transform on the chest displacement information according to the displacement information of the human chest, thereby judging the vital sign signal by using the frequency domain characteristics, obtaining the breathing and heartbeat frequencies of the human body, and completing the monitoring of vital signs.

[0016] Furthermore, the circuit board of the air supply host is connected to the vital signs monitoring device for supplying power to the vital signs monitoring device; the circuit board of the air supply host and the vital signs monitoring device adopt wireless data transmission.

[0017] The wind-controlled temperature mattress with vital sign monitoring function of the present invention is designed to monitor the vital signs of a person while he is sleeping, and obtain signals such as the breathing and heart rate of the human body in a contactless manner, thereby realizing contactless, non-sensing, and long-term vital sign monitoring. On the other hand, the design of the air supply channel and the air supply main unit allows a portion of the warm air blown out of the air supply main unit to penetrate the upper and lower pads through the air supply channel and out of the pad body, and most of it flows out of the pad body from the air holes, effectively realizing the functions of heat transfer and circulation as well as dehumidification and drying of the pad body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of a wind-controlled temperature mattress with a vital sign monitoring function provided by an embodiment of the present invention.

[0019] Figure 2 for Figure 1 Another perspective structural diagram of the wind-controlled temperature mattress with vital signs monitoring function.

[0020] Figure 3 for Figure 1 Schematic diagram of the explosion of the lower pad of the wind-controlled temperature mattress with vital sign monitoring function.

[0021] Figure 4 for Figure 1 Schematic diagram of the structure of the lower pad of the wind-controlled temperature mattress with vital signs monitoring function.

[0022] Figure 5 for Figure 1 Schematic diagram of the structure of the upper pad of the wind-controlled temperature mattress with vital signs monitoring function.

[0023] Figure 6 for Figure 1 Another perspective structural schematic diagram of the upper pad of the wind-controlled temperature mattress with vital signs monitoring function.

[0024] Figure 7 for Figure 1 Schematic diagram of the vital signs monitoring device module of the wind-controlled temperature mattress with vital signs monitoring function.

[0025] The reference numerals and components involved in the drawings are as follows:

[0026] 1. Wind temperature control mattress body 11, head area 12, chest and abdomen area

[0027] 13. Leg area 14. Upper pad 15. Lower pad

[0028] 16. Sealing pad 17. Air supply channel 18. Ventilation hole

[0029] 19. Air supply main unit 191. Air supply main unit installation port 192. Temperature and humidity sensor probe

[0030] 193. Monitoring device installation slot 194. Sealing port 2. Vital signs monitoring device

[0031] 21. Fusion signal generating unit 22. Power distributor 23. Power amplifier

[0032] 24. Transmitting antenna 25. Receiving antenna 26. Low noise amplifier

[0033] 27, mixer 28, baseband signal processing unit 29, beat frequency signal processing unit 291, interference signal processing unit 292, human presence detection unit 293, environmental clutter removal unit 294, Doppler vital sign extraction unit

[0034] Take unit DETAILED DESCRIPTION

[0035] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0036] The terms "first", "second", "third", "fourth" and the like in the description and claims of the present invention are used to distinguish similar objects and are not necessarily used to describe a particular order or sequence.

[0037] Example 1

[0038] Figure 1 A schematic diagram of the structure of a wind-controlled temperature mattress with a vital sign monitoring function provided by an embodiment of the present invention. Figure 2 for Figure 1 Another perspective structural diagram of the wind-controlled temperature mattress with vital signs monitoring function, Figure 7 for Figure 1 Schematic diagram of the vital signs monitoring device module of the air-controlled temperature mattress with vital signs monitoring function. Please refer to Figure 1 , Figure 2 , Figure 7 The wind-controlled temperature mattress with a vital sign monitoring function provided by an embodiment of the present invention comprises a wind-controlled temperature mattress body 1 and a vital sign monitoring device 2; the wind-controlled temperature mattress body 1 is in a rectangular shape as a whole, and a head area 11, a chest and abdomen area 12, and a leg area 13 are arranged on the wind-controlled temperature mattress body 1; the vital sign monitoring device 2 is installed inside the wind-controlled temperature mattress body 1 and directly below the chest and abdomen area 12, and the vital sign monitoring device 2 is used to obtain cardiopulmonary movement information, and then obtain health parameters of the cardiopulmonary system.

[0039] Specifically, the vital sign monitoring device 2 of the present invention includes a fusion signal generating unit 21, a power divider 22, a power amplifier 23, a transmitting antenna 24, a receiving antenna 25, a low noise amplifier 26, a mixer 27, a baseband signal processing unit 28, a beat signal processing unit 29, an interference signal processing unit 291, a human presence detection unit 292, an environmental clutter removal unit 293 and a Doppler vital sign extraction unit 294;

[0040] It should be noted that the combined signal generating unit 21 generates an electromagnetic wave transmission signal according to a preset FMCW / CW fusion waveform; the power divider 22, the power amplifier 23, the transmitting antenna 24, the receiving antenna 25, the low noise amplifier 26, and the mixer 27 constitute a radio frequency front end; the power divider 22 outputs the transmission signal to the transmitting antenna 24 for transmission and to the mixer 27 for mixing with the receiving signal to generate a down-converted intermediate frequency signal, the power amplifier 23 amplifies the transmission signal, the transmitting antenna 24 electromagnetically radiates the signal after being amplified by the power amplifier 23, the receiving antenna 25 receives the electromagnetic wave reflected by the object, the low noise amplifier 26 amplifies the electromagnetic wave signal received by the receiving antenna 25 and suppresses noise, and the mixer 27 mixes the received signal amplified by the low noise amplifier 26 with the transmission signal allocated by the power divider 22 to obtain a down-converted intermediate frequency signal. The baseband signal processing unit 28 cuts the obtained intermediate frequency signal according to the time domain waveform of the dual-mode fusion transmission to obtain the beat signal of the FMCW mode and the intermediate frequency interference signal of the CW mode respectively. The beat signal processing unit 29 solves the absolute distance and performs distance spectrum estimation processing according to the beat signal information of the FMCW mode to obtain the distance spectrum information. The interference signal processing unit 291 performs phase restoration processing according to the intermediate frequency interference information of the CW mode to complete the micro-displacement detection and obtain the displacement information of the human chest cavity. The human body presence detection unit 292 performs human body judgment according to the amplitude value of the distance spectrum information. The environmental clutter removal unit 293 subtracts adjacent beat signals according to multiple FMCW beat signals to obtain the beat signal with environmental clutter removed. The Doppler vital sign extraction unit 294 performs Fourier transformation on the chest displacement information according to the displacement information of the human chest cavity, thereby judging the vital sign signal by using the frequency domain characteristics, obtaining the breathing and heartbeat frequencies of the human body, and completing the monitoring of vital signs.

[0041] The wind-controlled temperature mattress with vital signs monitoring function of the present invention is designed with a vital signs monitoring device to monitor the vital signs of a person while he or she is sleeping, and obtains signals such as the breathing and heart rate of the human body in a contactless manner, thereby realizing contactless, non-sensing, and long-term vital signs monitoring.

[0042] Figure 3 for Figure 1 Schematic diagram of the explosion of the lower pad of the wind-controlled temperature mattress with vital sign monitoring function, Figure 4 for Figure 1 The structural diagram of the lower pad of the wind-controlled temperature mattress with vital signs monitoring function. Please refer to Figure 3 , Figure 4 The wind-controlled temperature mattress body 1 of the present invention includes an upper pad 14, a lower pad 15 and a sealing pad 16. The head area 11, the chest and abdomen area 12 and the leg area 13 are arranged on the upper side of the upper pad 14; a monitoring device installation groove 193 is arranged on the upper side of the lower pad 15, and a sealing opening 194 is arranged at the edge of the monitoring device installation groove 193; the vital sign monitoring device 2 is installed in the monitoring device installation groove 193, and the sealing pad 16 is covered at the sealing opening 194; the lower side of the upper pad 14 is covered on the upper side of the lower pad 15.

[0043] Figure 5 for Figure 1 The schematic diagram of the structure of the upper pad of the wind-controlled temperature mattress with vital signs monitoring function, Figure 6 for Figure 1 Another perspective structural diagram of the upper layer of the wind-controlled temperature mattress with vital signs monitoring function. Please refer to Figure 5 , Figure 6 In the present invention, a plurality of air supply channels 17 are provided under the upper pad 14, and a plurality of air holes 18 penetrating the surface of the upper pad 14 are provided on the air supply channels 17; the air temperature control mattress body 1 also includes an air supply main unit 19, and an air supply main unit mounting port 191 is provided at the edge of the air temperature control mattress body 1, and the air supply main unit 19 is mounted on the air supply main unit mounting port 191, and the air supply channels 17 are connected to the air outlet of the air supply main unit 19.

[0044] It should be noted that the design of the air supply channel 17 and the air supply main unit 19 allows a portion of the warm air blown out of the air supply main unit 19 to penetrate out of the pad body through the upper pad 14 and the lower pad 15 through the air supply channel 17, and most of it flows out of the pad body through the air vents 18, effectively achieving the functions of heat transfer and circulation as well as dehumidification and drying of the pad body.

[0045] Furthermore, the distribution density of the air holes 18 of the present invention gradually increases as the air supply channel 17 moves away from the air supply mainframe installation port 191, thereby improving the uniformity of hot air transmission.

[0046] Furthermore, the upper pad 14, the lower pad 15 and the sealing pad 16 of the present invention are made of polyurethane foam material; or the upper pad 14, the lower pad 15 and the sealing pad 16 are made of sponge; the upper pad 14, the lower pad 15 and the sealing pad 16 are all made in one piece; the head area 11 is located at the end away from the air supply main unit 19, so as to minimize the impact of the air supply main unit 19 on sleep when it is working.

[0047] like Figure 5 As shown, a temperature and humidity sensing probe 192 is provided on the upper pad 14 of the present invention, and the circuit board of the air supply main unit 19 is connected to the temperature and humidity sensing probe 192, and the temperature and humidity sensing probe 192 is used to detect the temperature and humidity of the air-controlled temperature mattress body 1.

[0048] It should be noted that the circuit board of the air supply host 19 of the present invention is connected to the vital signs monitoring device 2 for supplying power to the vital signs monitoring device 2 and transmitting data.

[0049] Furthermore, the circuit board of the air supply host 19 and the vital signs monitoring device 2 use wireless data transmission.

[0050] Based on the above description, it can be seen that the advantages of the present invention are:

[0051] 1. The wind-controlled temperature mattress with vital signs monitoring function of the present invention is designed with a vital signs monitoring device to monitor a person's vital signs while he or she is sleeping, and obtain signals such as the person's breathing and heart rate in a contactless manner, thereby realizing contactless, non-sensing, and long-term vital signs monitoring.

[0052] 2. The wind-controlled temperature mattress with vital signs monitoring function of the present invention is designed with an air supply channel and an air supply main unit so that a portion of the warm air blown out by the air supply main unit passes through the air supply channel through the upper and lower pads to seep out of the pad body, and most of it flows out of the pad body from the air holes, thereby effectively achieving the functions of heat transfer and circulation as well as dehumidification and drying of the pad body.

[0053] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A wind-controlled temperature mattress with vital signs monitoring function, It is characterized in that It comprises a wind temperature-controlled mattress body (1) and a vital sign monitoring device (2); The air-controlled temperature mattress body (1) is in the shape of a rectangular parallelepiped as a whole, and a head area (11), a chest and abdomen area (12), and a leg area (13) are arranged on the upper surface of the air-controlled temperature mattress body (1); the vital sign monitoring device (2) is installed inside the air-controlled temperature mattress body (1) and directly below the chest and abdomen area (12), and the vital sign monitoring device (2) is used to obtain cardiopulmonary movement information, and then obtain health parameters of the cardiopulmonary system.

2. The wind-controlled temperature mattress with vital signs monitoring function according to claim 1, It is characterized in that The air temperature control mattress body (1) comprises an upper pad (14), a lower pad (15) and a sealing pad (16), and the head area (11), the chest and abdomen area (12) and the leg area (13) are arranged on the upper pad (14); A monitoring device installation groove is provided on the upper side of the lower pad (15), and a sealing opening is provided at the edge of the monitoring device installation groove; the vital sign monitoring device (2) is installed in the monitoring device installation groove, and the sealing pad (16) is covered at the sealing opening; the lower side of the upper pad (14) is covered on the upper side of the lower pad (15).

3. The wind-controlled temperature mattress with vital signs monitoring function according to claim 2, It is characterized in that A plurality of air supply passages (17) are provided below the upper pad (14), and a plurality of air holes (18) are provided on the air supply passages (17) and penetrate the surface of the upper pad (14); The air-controlled temperature mattress body (1) further comprises an air supply main unit (19), an air supply main unit mounting opening (191) being provided at the edge of the air-controlled temperature mattress body (1), the air supply main unit (19) being mounted on the air supply main unit mounting opening (191), and the air supply channel (17) being connected to an air outlet of the air supply main unit (19).

4. The wind-controlled temperature mattress with vital signs monitoring function according to claim 3, It is characterized in that The distribution density of the air holes (18) gradually increases as the air supply channel (17) moves away from the air supply main unit installation opening (191).

5. The wind-controlled temperature mattress with vital signs monitoring function according to claim 2, It is characterized in that The upper pad (14), the lower pad (15) and the sealing pad (16) are made of polyurethane foam material; or the upper pad (14), the lower pad (15) and the sealing pad (16) are made of sponge.

6. The wind-controlled temperature mattress with vital signs monitoring function according to claim 3, It is characterized in that The head area (11) is located at an end away from the air supply main unit (19).

7. The wind-controlled temperature mattress with vital signs monitoring function according to claim 2, It is characterized in that The upper pad (14), the lower pad (15) and the sealing pad (16) are all integrally formed.

8. The wind-controlled temperature mattress with vital signs monitoring function according to claim 2, It is characterized in that A temperature and humidity sensing probe (192) is provided on the upper pad (14); a circuit board of the air supply main unit (19) is connected to the temperature and humidity sensing probe (192); and the temperature and humidity sensing probe (192) is used to detect the temperature and humidity of the air-controlled temperature mattress body (1).

9. The wind-controlled temperature mattress with vital signs monitoring function according to claim 3, It is characterized in that The circuit board of the air supply host (19) is connected to the vital signs monitoring device (2) and is used to supply power to the vital signs monitoring device (2) and transmit data; The vital sign monitoring device (2) comprises a fusion signal generating unit (21), a power distributor (22), a power amplifier (23), a transmitting antenna (24), a receiving antenna (25), a low noise amplifier (26), a mixer (27), a baseband signal processing unit (28), a beat frequency signal processing unit (29), an interference signal processing unit (291), a human presence detection unit (292), an environmental clutter removal unit (293) and a Doppler vital sign extraction unit (294); The fusion signal generating unit (21) generates an electromagnetic wave transmission signal according to a preset FMCW / CW fusion waveform; The power distributor (22), the power amplifier (23), the transmitting antenna (24), the receiving antenna (25), the low noise amplifier (26), and the mixer (27) constitute a radio frequency front end; The power distributor (22) outputs the transmission signal to the transmitting antenna (24) for transmission and to the mixer (27) for mixing with the receiving signal to generate a down-converted intermediate frequency signal. The power amplifier (23) amplifies the power of the transmission signal. The transmitting antenna (24) electromagnetically radiates the signal after being amplified by the power amplifier (23). The receiving antenna (25) receives the electromagnetic wave reflected by the object. The low noise amplifier (26) amplifies the electromagnetic wave signal received by the receiving antenna (25) and suppresses noise. The mixer (27) mixes the receiving signal amplified by the low noise amplifier (26) with the transmission signal distributed by the power distributor (22) to obtain a down-converted intermediate frequency signal. The baseband signal processing unit (28) cuts the obtained intermediate frequency signal according to the time domain waveform of the dual-mode fusion transmission. A beat signal of the FMCW mode and an intermediate frequency interference signal of the CW mode are obtained. The beat signal processing unit (29) performs absolute distance solution and distance spectrum estimation processing according to the beat signal information of the FMCW mode to obtain distance spectrum information. The interference signal processing unit (291) performs phase restoration processing according to the intermediate frequency interference information of the CW mode to complete micro displacement detection and obtain displacement information of the human chest cavity. The human body presence detection unit (292) performs human body judgment according to the amplitude value of the distance spectrum information. The environmental clutter removal unit (293) performs subtraction of adjacent beat signals according to multiple FMCW beat signals to obtain a beat signal with environmental clutter removed. The Doppler vital sign extraction unit (294) performs Fourier transformation on the chest displacement information according to the displacement information of the human chest cavity, thereby judging the vital sign signal using frequency domain characteristics, obtaining the breathing and heartbeat frequencies of the human body, and completing the monitoring of vital signs.

10. The wind-controlled temperature mattress with vital signs monitoring function according to claim 3, It is characterized in that The circuit board of the air supply host (19) is connected to the vital signs monitoring device (2) for supplying power to the vital signs monitoring device (2); the circuit board of the air supply host (19) and the vital signs monitoring device (2) use wireless data transmission.

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