阅读说明：本技术 一种多功能智能床垫 (Multifunctional intelligent mattress ) 是由 张文智 孙利华 孙艳芳 刘啸妍 于 2020-04-15 设计创作，主要内容包括：本发明提供一种多功能智能床垫,包括床垫本体和控制部,床垫本体包括弹簧层,弹簧层由多个独立的弹簧通过连接装置连接而成,弹簧层上下表面均设弹簧固定层,弹簧层顶面与上表面弹簧固定层之间设有监测层,监测层包括多个置于弹簧顶面的压力传感器,上下弹簧固定层外表面均设防护层,防护层侧面设有插袋,插袋内置控制部。本发明在床垫本体上设置阵列式分布的压力感应点,当患者躺在床垫本体上后,床垫本体可实时测量患者体重,以及患者与床垫本体接触处的身体各部位压力及压强值。控制部分析处理后,自动给出实时动态曲线图,并分析不同时段的统计数据,给出压力及压强变化分析图,便于监测患者身体各项指标,有利于辅助患者恢复。(The invention provides a multifunctional intelligent mattress, which comprises a mattress body and a control part, wherein the mattress body comprises a spring layer, the spring layer is formed by connecting a plurality of independent springs through a connecting device, spring fixing layers are respectively arranged on the upper surface and the lower surface of the spring layer, a monitoring layer is arranged between the top surface of the spring layer and the spring fixing layer on the upper surface, the monitoring layer comprises a plurality of pressure sensors arranged on the top surface of the spring, protective layers are respectively arranged on the outer surfaces of the upper spring fixing layer and the lower spring fixing layer, an inserting bag is arranged on the side surface of each protective layer, and the control part is arranged in each. According to the invention, the pressure sensing points distributed in an array manner are arranged on the mattress body, and after a patient lies on the mattress body, the mattress body can measure the weight of the patient, and the pressure and pressure value of each part of the body of the patient in contact with the mattress body in real time. After the control part analyzes and processes, a real-time dynamic curve graph is automatically given, statistical data of different time periods are analyzed, and a pressure and pressure variation analysis graph is given, so that various indexes of the body of the patient can be conveniently monitored, and the recovery of the patient can be assisted.)

1. A multi-functional intelligent mattress which characterized in that: the mattress comprises a mattress body and a control part, wherein the mattress body comprises a spring layer, the spring layer is formed by connecting a plurality of independent springs through a connecting device, a first spring fixing layer is arranged on the bottom surface of the spring layer, a plurality of first grooves are formed in the first spring fixing layer, the bottom surface of the spring is arranged in the first grooves, a second spring fixing layer is arranged at the top of the spring layer, a plurality of second grooves are formed in the second spring fixing layer, the top surface of the spring is arranged in the second grooves, a monitoring layer is arranged between the top surface of the spring layer and the second spring fixing layer and comprises a plurality of pressure sensors, the pressure sensors are arranged between the top surface of the spring and the second grooves, protective layers are arranged on the lower surface of the first spring fixing layer and the upper surface of the second spring fixing layer, and an insert pocket is arranged on the side surface of the protective layer, the control part comprises a shell, the shell is a square closed body, a display screen and a button are arranged on the outer surface of the shell, a microprocessor and a power supply are arranged inside the shell, the microprocessor is connected with the pressure sensor, the display screen, the button and the power supply respectively, and the power supply is connected with the display screen.

2. The multifunctional intelligent mattress of claim 1, characterized in that: the pressure sensor is of a diaphragm type and comprises a bearing sheet, an induction chip is arranged on the bearing sheet, and a diaphragm is arranged on the outer surface of the bearing sheet.

3. A multifunctional intelligent mattress as recited in claim 2, wherein: the sensing chip and the microprocessor are both provided with BLUETOOTH units and/or WiFi units, and the microprocessor is wirelessly connected with the pressure sensor through the BLUETOOTH units and/or WiFi units.

4. A multifunctional intelligent mattress as claimed in any one of claims 1 to 3, wherein: the spring is characterized in that a limiting groove is formed in the first groove, a limiting block is arranged on the bottom surface of the spring and is arranged in the limiting groove, a pressure sensor placing groove is formed in the second groove, and the pressure sensor is arranged in the pressure sensor placing groove.

5. The multifunctional intelligent mattress of claim 4, characterized in that: the limiting groove is an arc-shaped groove, and the limiting block is an arc-shaped block.

6. A multifunctional intelligent mattress as claimed in any one of claims 1 to 3 or 5, wherein: the spring is cylindrical, the diameter of the spring is sequentially reduced from two ends to the center, an inner spring is arranged in the center of the interior of the spring, and the height of the inner spring is smaller than that of the spring.

7. The multifunctional intelligent mattress of claim 6, characterized in that: an ultraviolet lamp is arranged at the center inside the inner spring and is respectively connected with the microprocessor and the power supply.

8. A multifunctional intelligent mattress as claimed in any one of claims 1 to 3 or 5 or 7, wherein: the first spring fixing layer is a hard emulsion layer, the second spring fixing layer is a soft emulsion layer, and the protective layer is an air-permeable cotton layer or a non-woven fabric layer.

9. A multifunctional intelligent mattress as claimed in any one of claims 1 to 3 or 5 or 7, wherein: the connecting device is a binding band.

10. A multifunctional intelligent mattress as claimed in any one of claims 1 to 3 or 5 or 7, wherein: the microprocessor is connected with a wireless display device of the monitoring end through a BLUETOOTH unit or a WiFi unit, and the wireless display device is a mobile phone, a computer or a printer.

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a multifunctional intelligent mattress.

Background

Sleep accounts for one third of life, and good sleep quality is a precondition for guaranteeing excellent life quality. The mattress is a key factor influencing the quality of sleep. The good sleeping mattress and the sleeping environment can enhance the immunity of human bodies, improve the life quality of people and prolong the life of people.

Along with the increasing living standard of people, the degree of intellectualization of household articles is higher and higher, and traditional mattress can not satisfy people's demand, and intelligent mattress receives people's more and more welcome. Especially for paralyzed patients, patients after surgical operations and patients with critical illness, the patients cannot get up and move and cannot know the weight of the patients, but the weight is an important index for inspecting the health degree of the human body. For example, the diabetic needs to provide the weight of a patient in case of diet realization, the blood urine CCR assay index needs to provide the weight of the patient, the edema patient needs to monitor the weight change every day as a fluid infusion basis, the patient is in bed for a long time and is easy to suffer from pressure sores, the pressure sore occurrence rate is one of the common nursing safety quality control indexes of the patient in bed, the self pressure of the patient is one of the main reasons for the pressure sores, and at present, no instrument equipment is used for monitoring the specific pressure of each part of the body of the patient in bed. The existing intelligent mattress is mainly fixed on the mattress body by the equipment for monitoring the human health information, and is inconvenient to replace and maintain after the monitoring equipment is damaged.

In addition, when the mattress is used, the temperature and humidity of the mattress can be changed due to the contact of a human body with the mattress, mites are easy to breed, and a lot of bacteria are generated. The mattress is cleaned frequently, so that the breeding of bacteria is reduced, and the mattress can be cleaned, thereby wasting time and labor.

Disclosure of Invention

The invention aims to provide a mattress, in particular to a multifunctional intelligent mattress which is simple in structure, convenient to operate, capable of monitoring specific pressure values of all parts of a patient body in real time, capable of preventing pressure sores, convenient to maintain and replace monitoring equipment, clean, sanitary and capable of measuring the weight of the patient.

In order to solve the technical problems, the invention adopts the technical scheme that: a multifunctional intelligent mattress comprises a mattress body and a control part, wherein the mattress body comprises a spring layer, the spring layer is formed by connecting a plurality of independent springs through a connecting device, a first spring fixing layer is arranged on the bottom surface of the spring layer, a plurality of first grooves are arranged on the first spring fixing layer, the bottom surface of the spring is arranged in the first grooves, a second spring fixing layer is arranged on the top of the spring layer, a plurality of second grooves are arranged on the second spring fixing layer, the top surface of the spring is arranged in the second grooves, a monitoring layer is arranged between the top surface of the spring layer and the second spring fixing layer, the monitoring layer comprises a plurality of pressure sensors, the pressure sensors are arranged between the top surface of the spring and the second grooves, and a protective layer is arranged on the lower surface of the first spring fixing layer and the upper surface of the second spring fixing layer, the protection layer side is equipped with the slash pocket, the control part includes the casing, the casing is square obturator, the casing surface is equipped with display screen and button, inside microprocessor and the power of being equipped with of casing, microprocessor connects respectively pressure sensor the display screen the button with the power, the power is connected the display screen.

Furthermore, pressure sensor is the diaphragm formula, pressure sensor includes the carrier plate, be equipped with the response chip on the carrier plate, the carrier plate surface is equipped with the diaphragm.

Furthermore, a BLUETOOTH unit and/or a WiFi unit are arranged on the sensing chip and the microprocessor, and the microprocessor is wirelessly connected with the pressure sensor through the BLUETOOTH unit and/or the WiFi unit.

Furthermore, a limiting groove is formed in the first groove, a limiting block is arranged on the bottom surface of the spring, the limiting block is arranged in the limiting groove, a pressure sensor placing groove is formed in the second groove, and the pressure sensor is arranged in the pressure sensor placing groove.

Furthermore, the limiting groove is an arc-shaped groove, and the limiting block is an arc-shaped block.

Furthermore, the spring is cylindrical, the diameter of the spring is sequentially reduced from two ends to the center, an inner spring is arranged at the center of the interior of the spring, and the height of the inner spring is smaller than that of the spring.

Furthermore, an ultraviolet lamp is arranged at the center inside the inner spring and is respectively connected with the microprocessor and the power supply.

Furthermore, the first spring fixing layer is a hard latex layer, the second spring fixing layer is a soft latex layer, and the protective layer is an air-permeable cotton layer or a non-woven fabric layer.

Further, the connecting device is a strap.

Further, the microprocessor is connected with a wireless display device of the monitoring end through a BLUETOOTH unit or a WiFi unit, and the wireless display device is a mobile phone, a computer or a printer.

The invention has the advantages and positive effects that:

1. the mattress body is provided with the pressure sensing points distributed in an array manner, the independent pressure sensors are arranged at the pressure sensing points, when a patient lies on the mattress body, the pressure sensors send monitored information to the microprocessor, the microprocessor displays the information through the display screen, the mattress body can measure the weight of the patient in real time, and accurate test items in a laboratory are facilitated. And the pressure value of each part of the body of the patient in contact with the mattress body provide measurable basis for the implementation prevention measures of the pressure sore high-risk patients. After the microprocessor analyzes and processes, a real-time dynamic curve graph is automatically given, statistical data of different time periods are analyzed, and a pressure and pressure variation analysis graph is given, so that various indexes of the body of the patient can be conveniently monitored, and the recovery of the patient can be assisted.

2. The spring layer is arranged into a plurality of independent springs, each spring body operates independently, supports independently and can stretch independently, and the plurality of independent springs form the spring layer through the connecting device, so that when two objects are placed on the bed surface at the same time, one object rotates, and the other object is not interfered. Spring layer lower surface sets up first spring fixed layer, and spring layer upper surface sets up the fixed layer of second spring, and spring layer and first spring fixed layer and the fixed layer swing joint of second spring, every independent spring top surface set up pressure sensor, when independent spring or pressure sensor damage individually, convenient the change, cost of maintenance is low, has prolonged life.

3. According to the invention, the independent spring is arranged into the conical body with the diameter changing, the inner spring is arranged at the thinnest part in the middle of the spring, the firmness of the spring is increased, and the ultraviolet lamp is arranged in the inner spring, so that the mattress can be sterilized and disinfected, the breeding of bacteria is reduced, and the mattress is clean and sanitary.

4. The pressure sensor is arranged in a diaphragm type, the upper surface and the lower surface of the pressure sensor are stretched to sense pressure, the structure is simple, the diaphragm type pressure sensor is arranged in the mattress, the flatness is high, the comfort degree of a patient is high, the pressure sensor is not easy to damage in the using process of the patient, and the service life of the mattress is prolonged.

5. The microprocessor of the invention transmits the information detected by the detection component to the mobile phone or the computer of the monitoring end through the BLUETOOTH unit and the WiFi unit, thereby facilitating the real-time observation of the real-time condition of the patient by the monitoring end, facilitating the multi-party monitoring and having strong practicability.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is an exploded view of a mattress body according to an embodiment of the invention.

Fig. 3 is a schematic structural diagram of a first spring fixing layer according to an embodiment of the invention.

Fig. 4 is a schematic diagram of a spring structure according to an embodiment of the present invention.

FIG. 5 is a schematic structural diagram of a second spring fixing layer according to an embodiment of the invention.

Fig. 6 is a schematic structural diagram of a control unit according to an embodiment of the present invention.

Fig. 7 is a schematic diagram of the operation of an embodiment of the present invention.

Fig. 8 is a circuit diagram of a data acquisition circuit according to an embodiment of the present invention.

Fig. 9 is an interface circuit diagram of a display screen according to an embodiment of the present invention.

In the figure:

1. control part 2, insert pocket 3 and mattress body

4. Protective layer 5, second spring fixing layer 6 and spring layer

7. First spring fixed layer 8, spring 9, first recess

10. Limiting groove 11, limiting block 12 and pressure sensor placing groove

13. Second groove 14, monitoring layer 15, pressure sensor

16. Inner spring 17, shell 18 and display screen

19. Button 20, ultraviolet lamp.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Embodiments of the invention are further described below with reference to the accompanying drawings:

as shown in fig. 1 and 2, the multifunctional intelligent mattress comprises a mattress body 3 and a control part 1. The mattress body 3 comprises a spring layer 6, and the spring layer 6 is formed by connecting a plurality of independent springs 8 through a connecting device. The connecting device is any device which ensures that the independent springs 8 move independently after the independent springs 8 are connected to form the spring layer 6, and the connecting device can be spring bags which are adhered to each other, specifically, the spring bags in different rows are adhered to each other by viscose glue and are connected and arranged after the independent springs 8 are pressed. Or a strap, directly connecting each individual spring 8.

The bottom surface of the spring layer 6 is provided with a first spring fixing layer 7, the first spring fixing layer 7 is provided with a plurality of first grooves 9, and the bottom surface of the spring 8 is arranged in the first grooves 9. Preferably, be equipped with spacing groove 10 in the first recess 9, spring 8 bottom surface is equipped with stopper 11, and stopper 11 is arranged in spacing groove 10, as shown in fig. 3, fig. 4, and the spacing groove 10 that this embodiment provided is the arc wall, and stopper 11 is the arc piece, and the arc setting avoids 8 bottom surfaces of spring pressurized bursting first spring fixed layer 7.

As shown in fig. 4 and 5, a second spring fixing layer 5 is disposed on the top of the spring layer 6, a plurality of second grooves 13 are disposed on the second spring fixing layer 5, and the top surfaces of the springs 8 are disposed in the second grooves 13. A monitoring layer 14 is arranged between the top surface of the spring layer 6 and the second spring fixing layer 5, the monitoring layer 14 comprises a plurality of pressure sensors 15, and the pressure sensors 15 are arranged between the top of the spring 8 and the second groove 13. Preferably, a pressure sensor placing groove 12 is formed in the second recess 13, and a pressure sensor 15 is placed in the pressure sensor placing groove 12.

Pressure sensor 15 is the diaphragm formula, and pressure sensor 15 is equipped with the response chip including bearing the piece on the bearing the piece, and the bearing the piece surface is equipped with the diaphragm. This diaphragm formula pressure sensor 15 relies on upper and lower surface tension and sensing pressure, promptly, diaphragm formula pressure sensor 15 has certain compliance, and when external force acted on diaphragm formula pressure sensor 15, diaphragm formula pressure sensor 15 can take place bending deformation to the tension of diaphragm formula pressure sensor 15 upper and lower surface can grow, comes sensing pressure through the influence of catching tension change to the signal of telecommunication. The greater the tension change, the greater the influence on the electrical signal, the stronger the output signal of the diaphragm pressure sensor 15, and the higher the signal-to-noise ratio of the diaphragm pressure sensor 15. Arrange diaphragm formula pressure sensor 15 in mattress body 3, the roughness is high, and patient's comfort level is high, in the patient use, and is not fragile, has improved mattress body 3's life.

In the embodiment, the spring layer 6 is provided with a plurality of independent springs 8, each spring 8 operates independently, is supported independently and can stretch independently, and the plurality of independent springs 8 form the spring layer 6 through a connecting device, so that when two objects are placed on the bed surface at the same time, one object rotates, and the other object is not interfered. The surface of the lower surface of the spring layer 6 is provided with the first spring fixing layer 7, the surface of the upper surface of the spring layer 6 is provided with the second spring fixing layer 5, the spring layer 6 is movably connected with the first spring fixing layer 7 and the second spring fixing layer 5, the top surface of each independent spring 8 is provided with the pressure sensor 15, and when the independent spring 8 or the independent pressure sensor 15 is damaged, the replacement is convenient, the maintenance cost is low, and the service life is prolonged.

The lower surface of the first spring fixing layer 7 and the upper surface of the second spring fixing layer 5 are both provided with a protection layer 4, the side surface of the protection layer 4 is provided with an insert pocket 2, and the insert pocket 2 is internally provided with a control part 1. Specifically, the first spring fixing layer 7 is a hard latex layer, the second spring fixing layer 5 is a soft latex layer, and the protective layer 4 is an air-permeable cotton layer or a non-woven fabric layer. Preferably, a Noeman mattress can be arranged on the upper surface of the protective layer 4, the Noeman mattress is antibacterial and anti-mite, the slow rebound sponge is used for inhibiting the growth of mould and expelling a series of pungent smells generated by the propagation and growth of the mould. The Noeman mattress can absorb impact force, and the pillow has zero pressure and no oppression to skin. The Noeman mattress is breathable and hygroscopic, and is good in hygroscopicity and breathability because each cell unit is communicated with each other. The Noeman mattress has the advantages of memory deformation and automatic molding, can fix the skull of a patient, can properly fill the shoulder gap by automatic molding, and has good experience effect for the patient.

As shown in fig. 6, the control part 1 includes a housing 17, the housing 17 is a square enclosure, a display 18 and a button 19 are disposed on the outer surface of the housing 17, a microprocessor and a power supply are disposed inside the housing 17, the microprocessor is respectively connected to the pressure sensor 15, the display 18, the button 19 and the power supply, and the power supply is connected to the display 18.

The pressure sensing point that sets up the array distribution on the mattress body 3 of this embodiment, pressure sensing point department sets up independent pressure sensor 15, lies back on mattress body 3 when the patient, and microprocessor is given to the information transmission that each other pressure sensor 15 will monitor, and microprocessor passes through display screen 18 and shows, but mattress body 3 real-time measurement patient's weight makes things convenient for the accurate test item in laboratory. And the pressure value of each part of the body of the patient in contact with the mattress body 3 provide measurable basis for the implementation prevention measures of the pressure sore high-risk patients. After the microprocessor analyzes and processes, a real-time dynamic curve graph is automatically given, statistical data of different time periods are analyzed, and a pressure and pressure variation analysis graph is given, so that various indexes of the body of the patient can be conveniently monitored, and the recovery of the patient can be assisted.

The sensing chip and the microprocessor of the embodiment are provided with a BLUETOOTH unit and/or a WiFi unit, and the microprocessor is wirelessly connected with the pressure sensor 15 through the BLUETOOTH unit and/or the WiFi unit. The microprocessor of this embodiment may further transmit information detected by the pressure sensor 15 to a wireless display device of the monitoring terminal through the BLUETOOTH unit and the WiFi unit, where the wireless display device is a mobile phone, a computer, or other electronic devices. The computer can be a tablet computer, a notebook computer, a desktop computer, etc.

Preferably, the BLUETOOTH unit is a CC2540 module, and the WIFI unit is an Esp8266 module.

The real-time condition of the patient can be observed in real time conveniently by the monitoring end, multi-party monitoring is facilitated, and the practicability is high.

As shown in fig. 4, the spring 8 is cylindrical, the diameter of the spring 8 is gradually reduced from both ends to the center, an inner spring 16 is arranged at the center of the inside of the spring 8, and the height of the inner spring 16 is smaller than that of the spring 8. Preferably, an ultraviolet lamp 20 is arranged at the center inside the inner spring 16, and the ultraviolet lamp 20 is respectively connected with the microprocessor and the power supply. The ultraviolet lamps 20 may be evenly distributed within each inner spring 16 or may be evenly distributed within a plurality of inner springs 16. The ultraviolet lamp 20 can be independently connected with a power supply and is arranged on the mattress body 3.

A wide variety of signals and techniques may be used between the pressure sensor 15, display screen 18, UV lamp 20 and microprocessor to accomplish this. These signals and techniques include: orthogonal signals, CDMA, TDMA, FDMA, OFDMA, ultra wideband signals, chirp signals, laser signals, and many others. The signals to and from the microprocessor, pressure sensor 15, uv lamp 20 and display screen 18 may be modulated (using AM, FM, PSK, FSK, MSK, QAM or any other possible modulation) or may be otherwise encoded or configured to contain timing, synchronization, control, data, multipath signal component identification, security codes, information to ensure proper operation and redundancy. The signals to and from the microprocessor and pressure sensor 15, the ultraviolet lamp 20, and the display screen 18 may include Gold codes, PN codes, M-Sequence codes, Walsh-Hadamard codes, or any other codes. The microprocessor may be a conventional chip, a single chip, or other device, and has a module with corresponding functions to drive the above devices to implement the above functions, which is not described herein again.

The connection of the microprocessor to the pressure sensor 15, the ultraviolet lamp 20 and the display screen 18 includes a wired connection and a wireless connection. The wired connections may be connected by means of a serial bus, P1394, Thunderbolt, etc., and the wires in the wired connections are not shown in fig. 1 in order to avoid clutter. The wireless connection mode can be connected through modes such as Bluetooth, Bluetooth Low Energy, WIFI and Zigbee. As shown in fig. 7, a schematic diagram of the microprocessor's connection to the pressure sensor 15, uv lamp 20, display screen 18, power supply, etc. is shown. The microprocessor, ultraviolet lamp 20 and display screen 18 may receive power via a wired or wireless connection, as well as from a disposable or rechargeable battery.

The working principle of the invention is as follows:

when the mattress is used, a patient is placed on the mattress body 3, each spring 8 body of the spring layer 6 operates independently, is supported independently and can stretch independently, so that when two objects are placed on the bed surface simultaneously, one object rotates, and the other object is not interfered. The pressure sensor 15 perception atress information at atress spring 8 top, pressure sensor 15 sends the information monitoring for microprocessor, and microprocessor shows through the wireless display device of display screen 18 or guardianship end, but mattress body 3 real-time measurement patient's weight makes things convenient for the accurate test project in laboratory. And the pressure value of each part of the body of the patient in contact with the mattress body 3 provide measurable basis for the implementation prevention measures of the pressure sore high-risk patients. After the microprocessor analyzes and processes, a real-time dynamic curve graph is automatically given, statistical data of different time periods are analyzed, and a pressure and pressure variation analysis graph is given, so that various indexes of the body of the patient can be conveniently monitored, and the recovery of the patient can be assisted.

When the power supply provides power for the ultraviolet lamp 20, the ultraviolet lamp 20 works, and can sterilize and disinfect the mattress body 3, reduce the breeding of bacteria, and be clean and sanitary.

The detection component of the present embodiment is a pressure sensor 15, a circuit diagram for data acquisition of the pressure sensor 15 is shown IN fig. 8, an a/D conversion circuit adopts a commonly used chip ADC0809, and an output terminal of the pressure sensor 15 is connected to IN0 of the ADC 0809. As can be seen in FIG. 8, the channel select addresses A, B, C of ADC0809 are provided by P0.0-P0.2 of 89C51 via the address latch 74LS373 output, respectively. When P2.7 is 0, ADC0809 is gated in common with the write signal WR. In fig. 8, the ALE signal is coupled to the ST signal, and the address signal is written on the leading edge of the WR signal, and the transition is initiated on the trailing edge. For example, when the output address is 7FF8H, the channel IN0 can be gated, so that the analog quantity output by the pressure sensor 15 is converted. In fig. 8, the end-of-conversion state signal EOC of the ADC0809 is connected to the INT1 pin of the 89C51, and when the a/D conversion is completed, the EOC goes high, indicating that the conversion is ended, and an interrupt is generated. In the interrupt service routine, the converted data is sent to the designated storage unit.

The model of the display screen 18 selected by the embodiment is VGG12864E-S002 model, the resolution is 128 multiplied by 64, and a 64 multiplied by 64 display data RAM is built in the display screen. Each bit of data in the RAM corresponds to the light and dark state of a point on the display 18. So two pieces of column driver controllers are used, each piece outputting 64 rows of row drivers. The VGG128 12864E module is indirectly controlled to be connected to the microprocessor, the interface circuit of the display 18 is shown in FIG. 9, the common chips of the interface circuit are P89C669, the P1 port of P89C669 is used as the data port, P3.2 and P3.3 are used as the chip select signal, P3.4 is used as the reset control signal, P3.5 is the register select signal, P3.6 is the enable signal E, and P3.7 is the read/write signal. Meanwhile, the information is sent to a mobile phone, a computer or a printer of a user side through the BLUETOOTH unit and the WiFi unit, so that the user can conveniently monitor the information at any time, and the printer can print, archive and backup the information.

The invention has the advantages and positive effects that:

1. the mattress body is provided with the pressure sensing points distributed in an array manner, the independent pressure sensors are arranged at the pressure sensing points, when a patient lies on the mattress body, the pressure sensors send monitored information to the microprocessor, the microprocessor displays the information through the display screen, the mattress body can measure the weight of the patient in real time, and accurate test items in a laboratory are facilitated. And the pressure value of each part of the body of the patient in contact with the mattress body provide measurable basis for the implementation prevention measures of the pressure sore high-risk patients. After the microprocessor analyzes and processes, a real-time dynamic curve graph is automatically given, statistical data of different time periods are analyzed, and a pressure and pressure variation analysis graph is given, so that various indexes of the body of the patient can be conveniently monitored, and the recovery of the patient can be assisted.

2. The spring layer is arranged into a plurality of independent springs, each spring body operates independently, supports independently and can stretch independently, and the plurality of independent springs form the spring layer through the connecting device, so that when two objects are placed on the bed surface at the same time, one object rotates, and the other object is not interfered. Spring layer lower surface sets up first spring fixed layer, and spring layer upper surface sets up the fixed layer of second spring, and spring layer and first spring fixed layer and the fixed layer swing joint of second spring, every independent spring top surface set up pressure sensor, when independent spring or pressure sensor damage individually, convenient the change, cost of maintenance is low, has prolonged life.

3. According to the invention, the independent spring is arranged into the conical body with the diameter changing, the inner spring is arranged at the thinnest part in the middle of the spring, the firmness of the spring is increased, and the ultraviolet lamp is arranged in the inner spring, so that the mattress can be sterilized and disinfected, the breeding of bacteria is reduced, and the mattress is clean and sanitary.

4. The pressure sensor is arranged in a diaphragm type, the upper surface and the lower surface of the pressure sensor are stretched to sense pressure, the structure is simple, the diaphragm type pressure sensor is arranged in the mattress, the flatness is high, the comfort degree of a patient is high, the pressure sensor is not easy to damage in the using process of the patient, and the service life of the mattress is prolonged.

5. The microprocessor of the invention transmits the information detected by the detection component to the mobile phone or the computer of the monitoring end through the BLUETOOTH unit and the WiFi unit, thereby facilitating the real-time observation of the real-time condition of the patient by the monitoring end, facilitating the multi-party monitoring and having strong practicability.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.