CN113509337A - Intelligent mattress and adjusting method thereof - Google Patents
Intelligent mattress and adjusting method thereof Download PDFInfo
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- CN113509337A CN113509337A CN202110885708.XA CN202110885708A CN113509337A CN 113509337 A CN113509337 A CN 113509337A CN 202110885708 A CN202110885708 A CN 202110885708A CN 113509337 A CN113509337 A CN 113509337A
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- A61G7/05776—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with inflatable chambers with at least two groups of alternately inflated chambers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
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Abstract
The application provides an intelligent mattress and an adjusting method thereof, wherein the intelligent mattress comprises a pneumatic control system, a communication system, a cloud intelligent control system and a mattress body; the mattress body comprises a pressure acquisition layer and an air bag layer; the air bag layer comprises a plurality of independent sub air bags, and the pressure acquisition layer is provided with a plurality of pressure acquisition points; the pneumatic control system is used for inflating/deflating each sub-air bag, the pneumatic control system and the pressure acquisition layer are communicated with the cloud intelligent control system through the communication system, and the cloud intelligent control system calculates pressure distribution according to acquired pressure signals and adjusts the pressure of each sub-air bag. The method comprises the following steps: establishing a database; acquiring initial state parameters and uploading the initial state parameters to a cloud intelligent control system; and starting a corresponding working mode according to the initial state parameters, and feeding back the cloud intelligent control system. But this application accurate acquisition gasbag pressure-bearing face pressure according to the pressurized condition automatically regulated mattress gasbag pressure, and dispersed pressure reaches the prevention and presses the sore, keeps good comfort level, provides good sleep rest environment.
Description
Technical Field
The application relates to the technical field of medical care, in particular to an intelligent mattress and an adjusting method thereof.
Background
Pressure sores, also known as pressure ulcers and bedsores, are caused by tissue ulceration and necrosis due to persistent ischemia, hypoxia and malnutrition caused by long-term local tissue compression. Pressure sores are common diseases in hospitals, nursing homes and families for patients with incapacity of moving, and the pressure sores are difficult to cure once occurring, so that the prevention is better than the treatment. According to the literature, about 6 million people die from pressure sore union symptom every year.
At present, in the field of medical care, two modes of manual timing turning and periodic fluctuation air bag mattress are mainly adopted for preventing pressure sores. The manual regular turning-over cost is very high and the turnover is highly dependent on the responsibility of a caregiver; the mattress with the periodically fluctuating air bags can adjust the pressure periodic variation of the air bags through a built-in program, but cannot achieve an optimal air bag adjusting strategy, and because the mattress usually adopts a control strategy that the internal pressure of adjacent air bags changes alternately, the pressure on the skin surface of a user always has pressure concentration, even shear slip is generated, the comfort level of the user is influenced, and frequent pressure fluctuation at night also influences the sleep of the user. In addition, the contact pressure of the surface body of the existing air bag mattress can not be accurately measured and regulated, and intelligent control such as pressure reduction, turning over, body displacement and the like under the accurate regulation and control of the pressure can not be automatically realized.
Meanwhile, modern people live at an active pace too fast, and the sleeping and resting time is particularly precious, so that the pursuit of the comfort level and the sleeping quality of the mattress also reaches unprecedented new height. The good sleep can greatly improve the life quality and the life efficiency of people.
In view of this, the present inventors have studied this to provide an intelligent mattress and an adjustment method thereof.
Disclosure of Invention
The utility model provides an aim at, to the not enough among the above-mentioned prior art, provide an intelligence mattress, but accurate collection gasbag pressure-bearing surface pressure to according to the pressurized condition automatically regulated mattress gasbag pressure, prevent to press the sore production.
Meanwhile, another object of the present application is to provide an adjusting method of an intelligent mattress, which enables the mattress to be adjusted to a state most suitable for the body condition of the user according to the state of the user, so as to prevent the pressure sore from occurring to the user with inconvenient movement, or enable the ordinary user to enjoy the best sleeping state.
In order to achieve the above purpose, the present application provides the following technical solutions:
the application discloses an anti-pressure sore intelligent mattress which comprises a pneumatic control system, a communication system, a cloud intelligent control system, a pressure acquisition layer and an air bag layer; the air bag layer comprises a plurality of independent sub air bags, the pressure acquisition layer is provided with a plurality of pressure acquisition points, and the surface pressure of the multiple points of the sub air bags is acquired; the pneumatic control system is used for inflating/deflating each sub-air bag, the pneumatic control system and the pressure acquisition layer are respectively communicated with the cloud intelligent control system through the communication system, the cloud intelligent control system calculates pressure distribution according to acquired pressure signals, and the pressure of each sub-air bag is automatically adjusted.
Optionally, the pressure acquisition layer includes a plurality of film pressure sensors, the film pressure sensors are connected to the pressure acquisition module, and the pressure acquisition module receives the pressure signal acquired by the film pressure sensors and sends the pressure signal to the cloud intelligent control system through the communication system.
Optionally, the thin film pressure sensor is a piezoelectric sensor or a piezoresistive sensor.
Optionally, the airbag layer includes a plurality of sub-airbags capable of independently controlling inflation/deflation, and the sub-airbags form a head and neck airbag group, a shoulder and back airbag group, a waist airbag group and a leg airbag group.
Optionally, the head and neck airbag group, the shoulder and back airbag group, and the waist airbag group include double-row sub-airbags, and the leg airbag group includes single-row sub-airbags.
Optionally, the sub-air bags are columnar air bags, and a plurality of signal acquisition points are uniformly distributed on one sub-air bag.
Optionally, the pressure acquisition layer is per 50-150cm2The film pressure sensor is provided with 1 signal acquisition point, and each signal acquisition point is provided with one film pressure sensor.
Optionally, the pneumatic control system includes air pump, trachea and solenoid valve, the sub-gasbag passes through the trachea and links to each other with the air pump, installs the solenoid valve on the trachea, high in the clouds intelligence control system passes through communication system and gives solenoid valve, air pump with signal transmission, controls inflating, the gassing of each sub-gasbag.
Optionally, the intelligent mattress further comprises a visualization system, the visualization system comprises a display screen and an input interface, and the visualization system is in network connection with the cloud intelligent control system.
The invention also provides an adjusting method of the intelligent mattress, which comprises the following steps:
firstly, establishing a database which comprises different types of working modes and a pressure gauge group of each mode;
secondly, the user lies on the mattress, acquires the initial state parameters and uploads the initial state parameters to the cloud intelligent control system;
and thirdly, selecting a working mode matched with the body type of the user in the database according to the initial state parameters, starting the work, and uploading the data to the cloud intelligent control system after the work is finished.
Optionally, the working process of the working mode includes the following steps:
firstly, identifying a sleeping posture, defining an initial sleeping posture as a sleeping posture A, searching a corresponding pressure gauge in a pressure gauge group according to the sleeping posture A, and inflating and deflating each sub-air bag of the mattress into a value of the pressure gauge;
continuously identifying the sleeping posture, and if the sleeping posture A changes into the sleeping posture B, adjusting each sub-air bag of the mattress to a pressure gauge value corresponding to the sleeping posture B; repeating the steps;
if the sleeping posture is identified to be unchanged for a long time, a pressure fluctuation program in the working mode is started.
Optionally, in the pressure fluctuation procedure, the pressure fluctuation is to extract a pressure high point according to a signal of the thin film pressure sensor at the signal acquisition point, and perform small-range fluctuation on the sub-airbag where the pressure high point is located.
Optionally, in the pressure fluctuation program, the pressure fluctuation is performed to all the sub-air bags in a small range according to signals of the thin film pressure sensors at all the signal acquisition points.
Optionally, the small-range fluctuation takes the current pressure value of the sub-airbag to be fluctuated as the fluctuation starting pressure, and the fluctuation starts to be increased, reduced and increased uniformly and repeatedly; the fluctuating pressure value forms a sine curve, the amplitude difference of the peak and trough air pressure values is 1-6kPa, and the time for each sub-air bag to stay at the peak or trough is not more than 5 min. The method for adjusting an intelligent mattress according to claim 11, wherein: the sleeping posture is unchanged for a long time, and the unchanged time is set to be 30 min.
Optionally, the working modes comprise an anti-pressure sore model and a comfort model.
Optionally, the pressure sore prevention model pre-judges a key pressure sore prevention part in the initial sleeping posture, adjusts the pressure in the sub-air bag corresponding to the key part to be below 4kPa, and then starts a pressure fluctuation program.
Optionally, the initial sleeping posture is lying, and the key pressure sore prevention parts are a pillow part, a scapular part, a hand elbow part and a sacral tail part; the initial sleeping postures are the left side and the right side, and the key pressure sore prevention parts are ears, shoulder peak parts, elbows, hips, inner and outer sides of knee joints and ankles; the initial sleeping posture is prone, and the key pressure sore preventing parts are forehead, scapula, elbow and knee.
Optionally, a pressure fluctuation program in the pressure sore prevention model includes a turning motion; when the patient turns over, the head and neck air bag group, the shoulder and back air bag group and the waist air bag group in the same row of the two rows of sub-air bags are inflated to the highest limit value of the pressure value, and the head and neck air bag group, the shoulder and back air bag group and the waist air bag group in the other row are placed to the lowest limit value of the pressure value; the two rows of sub-air bags stay for a certain time alternately under high and low air pressure.
Optionally, the high-low pressure retention time is 15-30min, and the alternation times are 2-5 times.
The method for adjusting an intelligent mattress according to claim 18, wherein: the database comprises a plurality of pressure gauge groups suitable for users with different body types, and each pressure gauge group comprises a plurality of pressure gauges suitable for different sleeping postures.
Optionally, the pressure value of the pressure gauge is calculated by collecting data statistics of the subjects with different body types.
Optionally, the subject is collected for sex, age, height, weight.
Optionally, the examinee lies on the mattress under the state that the sub-air bags are empty, the sub-air bags are inflated to be full, the pressure values of the sub-air bags at uncomfortable positions are adjusted according to the feelings of the examinee, a pressure sampling table P of the sleeping posture is formed, and the average value of the pressure sampling tables P of a plurality of similar body types is the pressure gauge of the sleeping posture of the body type user in the database.
Optionally, an autonomous learning step is further included; the user uploads a pressure gauge in the best comfortable state of a certain sleeping posture during self use, and the cloud intelligent control system automatically takes the pressure gauge as a pressure sampling gauge P of a subject in the database to update the database.
According to the technical scheme, the intelligent mattress and the adjusting method thereof have the advantages that when a person lies on the mattress, pressure of each part of the human body is transmitted to the air bag layer through the buffer layer, the pressure signal corresponding to each sub air bag is transmitted to the cloud intelligent control system through the pressure acquisition layer, the cloud intelligent control system calculates and analyzes pressure of each part of the human body according to pressure distribution signals, height, weight and other parameters, the cloud intelligent control system stores preset threshold values, when pressure of a certain part of the human body is too large and easily causes pressure sores, the cloud intelligent control system controls corresponding sub air bags to deflate through the pneumatic control system, pressure change of the contact surfaces of the sub air bags and the body tissues is completed, each part of the human body is enabled to be stressed in a balanced mode, and pressure sores are prevented from being generated. The invention can also lead the user to achieve the best state in any sleeping posture, intelligently identify and adjust, and be in a comfortable environment in the whole process, thereby providing a good sleeping environment for the user.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a control schematic diagram of an intelligent pressure sore prevention mattress disclosed in the embodiments of the present application;
FIG. 2 is a hardware structure diagram of an anti-pressure sore intelligent mattress disclosed in the embodiments of the present application;
FIG. 3 is an exploded view of a hardware structure of an anti-pressure sore intelligent mattress disclosed in the embodiments of the present application;
FIG. 4 is a diagram of an air bag distribution of an intelligent pressure sore prevention mattress disclosed in an embodiment of the present application;
FIG. 5 is a control schematic diagram of a pneumatic control system of an intelligent pressure sore prevention mattress disclosed in the embodiments of the present application;
FIG. 6 is a schematic diagram of an airbag control circuit of an intelligent pressure sore prevention mattress disclosed in an embodiment of the present application;
FIG. 7 is an air path connection diagram of an intelligent pressure sore prevention mattress disclosed in an embodiment of the present application;
fig. 8 is a signal control schematic diagram of an intelligent mattress for preventing pressure sores, disclosed in another embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
In this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Moreover, in this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The embodiment of the application provides an anti-pressure sore intelligent mattress, which comprises a cloud intelligent control system 1, a communication system 2, a pneumatic control system 3, an air bag layer 4 and a pressure acquisition layer 5, as shown in fig. 1; the air bag layer 4 comprises a plurality of independent sub air bags, the pressure acquisition layer 5 is provided with a plurality of pressure acquisition points, and the pressure acquisition points can acquire the pressure of each sub air bag and the surface of each part of each sub air bag; the pneumatic control system 3 is used for inflating/deflating each sub-air bag, and the pneumatic control system 3 and the pressure acquisition layer 5 are respectively communicated with the cloud intelligent control system 1 through the communication system 2. When a person lies on the mattress, the air bag layer 4 receives the pressure of each part of the human body, the pressure collecting layer 5 transmits pressure signals corresponding to each sub air bag to the cloud intelligent control system 1, and the cloud intelligent control system 1 calculates and analyzes the pressure of each part of the human body according to the pressure distribution signals, the height, the weight and other parameters. The cloud intelligent control system 1 stores a preset threshold value, and the preset threshold value can be obtained through model calculation such as a pressure sore prevention algorithm. When a certain part of a human body is under excessive pressure and is easy to cause pressure sores, the cloud intelligent control system 1 controls the corresponding sub-air bags to deflate through the pneumatic control system 3, so that the bearing pressure change of the contact surfaces of the sub-air bags and the body tissues is completed, the human body is stressed in a balanced manner, and the pressure sores are prevented from being generated.
The pressure sore prevention intelligent mattress can be used for reducing pressure generated by long-term bedridden patients or people with mobility disabilities keeping lying down or sleeping on one's side for a long time. From the mechanical factors, the mechanical factors mainly include pressure, friction and shearing force in the vertical direction. Among them, vertical pressure is the most important cause of promoting pressure sores. Studies have shown that skin tissue subjected to pressures in excess of 4kPa prevents perfusion of blood in capillaries, resulting in the skin being protected from hypoxia and pressure sores. Based on this, can compare according to this standard of the key point pressure value that pressure acquisition layer 5 obtained and 4kPa, if a certain point surpasss this value, then through the atmospheric pressure value of algorithm adjustment sub-gasbag in corresponding position, because after reducing the atmospheric pressure value, the corresponding point pressure value reduces, has reached to a certain extent and has reduced because pressure causes the condition that the pressure sore takes place, alleviates user's misery, the reduction of single-point pressure has increased the lifting surface area simultaneously, can increase the travelling comfort of preventing pressing sore intelligent mattress. As a further optimization, the cloud intelligent control system 1 may also set an individualized comfort parameter threshold according to the human comfort algorithm model, so as to adjust the pressure value of each sub-airbag, and meet the requirement of human comfort.
The following is detailed from the mattress construction: as shown in fig. 2-3, the mattress further comprises a cushioning layer 6, wherein the cushioning layer 6, the pressure acquisition layer 5 and the air bag layer 4 are sequentially stacked from top to bottom. As a specific implementation mode, the buffer layer 6 can adopt a memory sponge which is mainly used for buffering the pressure of a human body when the human body lies, and the thickness of the buffer layer 6 is 3-7 cm. The pressure acquisition layer 5 comprises a film pressure sensor 51, in order to prevent the film pressure sensor 51 and the air bag layer 4 from generating large displacement, a first functional layer 7 is arranged between the film pressure sensor 51 and the air bag layer 4, the first functional layer 7 also has the function of protecting the film pressure sensor 51, and high-elasticity sponge with the thickness of 0.5-2cm can be adopted, and the thickness is generally 1 cm. In addition, the buffer layer 6 can be coated with a medical antibacterial film 8 for antibiosis. A second functional layer 9 is arranged below the air bag layer 4 and used for fixing and protecting each sub air bag, and high-elasticity sponge with the thickness of 0.5-2cm can also be adopted as the second functional layer 9, and the thickness is generally 1 cm. The air bag layer 4 at the tail of the bed is provided with a circuit box 42 for placing electronic elements of each system, so that the whole mattress can be more compact in structure and more accurate in signal acquisition. The peripheries of the air bag layer 4 and the pressure acquisition layer 5 are provided with a soft fixing frame 10, and a sponge fixing frame is generally adopted for protecting and fixing the air bag layer 4, the pressure acquisition layer 5 and all electronic elements.
As a specific embodiment, the components of the pressure sore prevention smart mattress are further described as follows:
alternatively, as shown in fig. 4, the air bag layer 4 includes a plurality of sub-air bags 41 which can be independently controlled to inflate and deflate. The shape and structure of the sub-airbag 41 are generally columnar, and may be columnar in the figure, or rectangular columnar with flat upper and lower surfaces. The upper surface and the lower surface are smooth, so that the pressure acquisition layer 5 is convenient to install and work. Also specifically, the sub-airbags 41 constitute a head-neck airbag group 4A, a shoulder-back airbag group 4B, a waist airbag group 4C, and a leg airbag group 4D. The head and neck airbag group 4A, the shoulder and back airbag group 4B and the waist airbag group 4C comprise two rows of left and right sub-airbags, and the leg airbag group 4D is a single row of sub-airbags. Each mattress is provided with at least 20 sub-cells 41. According to the human comfort algorithm and the control accuracy calculation analysis, as a preferred embodiment, a 200 × 90cm mattress uses 20 rows of sub-airbags, wherein the neck airbag group is 2 rows × 5 rows, the shoulder airbag group is 2 rows × 4 rows, the waist airbag group is 2 rows × 4 rows, the leg airbag group is 1 row × 7 rows, and the height of each sub-airbag 41 is 9cm after being filled with air.
As shown in fig. 5-7, the pneumatic control system 3 includes an air pump 31, an air tube 32 and an electromagnetic valve 33, and the sub-air bag 41 is connected to the air pump 31 through the air tube 32. The cloud intelligent control system 1 transmits the control signal to the air pump 31 and the electromagnetic valve 33 through the communication system 2, so that the inflation and deflation of the sub-air bags 41 are realized. Specifically, the electromagnetic valve 33 is installed on the air pipe 32, and functions to control the on/off between the sub-air bag 41 and the external air pipe 32, and the sub-air bag 41 and the electromagnetic valve 33 may be in one-to-one correspondence, or the same sub-air bag 41 may be connected to control an air inlet electromagnetic valve and an air outlet electromagnetic valve, respectively. The air inlet electromagnetic valve is connected with the inflator pump through the air inlet air passage, the air outlet electromagnetic valve is connected with the air outlet air passage, and the air inflation and the air deflation of the air bag can be accurately controlled through the air inlet electromagnetic valve and the air outlet electromagnetic valve. In another mode, the sub-air bags 41 are connected with the air pipe 32 through the same electromagnetic valve 33, so that the purpose of controlling the sub-air bags 41 through the same electromagnetic valve 33 is achieved. The air pump 31 inflates each sub-air bag 41, and the inflation pressure inside the sub-air bag 41 is 10 to 35 kPa. The air pump 31 can be arranged at the tail part of the mattress, or connected with the sub-air bags 41 through the air pipes 32 and kept at a certain distance. The number of the air pumps 31 is one to four, and the purpose of controlling the inflating speed of the air bags in different regions can be achieved through a plurality of air pumps 31.
Optionally, the film pressure sensor 51 is connected to a pressure acquisition module, and the pressure acquisition module receives a pressure signal acquired by the film pressure sensor 51 and sends the pressure signal to the cloud intelligent control system 1 through the communication system 2. The communication system 2 and the cloud intelligent control system 1 can communicate in a cellular network, WIFI or other modes. The collected pressure data CAN be directly communicated with the film pressure sensor 51 through a pressure collecting module matched with the film pressure sensor 51 or directly integrated with the functions of the communication system 2 on the hardware, and the communication protocol CAN be a serial port, a Device net, a CAN and the like. The communication system 2 can send control commands to the air pump 31 and the electromagnetic valve 33 so as to realize the operation of the air pump 31 and the electromagnetic valve 33.
The thin film pressure sensor 51 may be a voltage type sensor (detected by a piezoelectric effect) or a piezoresistive type sensor. Specifically, the method comprises the following steps: as shown in FIGS. 3 and 4, there may be 2 to 20 signal acquisition points per sub-capsule 41, typically every 50-150cm2There are 1 signal acquisition points, each with a thin film pressure sensor 51. The pressure acquisition layer 5 covers the whole mattress, has a large area, and can form the film pressure sensors 51 into a matrix arrangement of a plurality of unit slices, such as an array arrangement of 2 × 3, 3 × 4 and the like, wherein the number of the film pressure sensors 51 is determined according to the size of the mattress and the size of the sensors. The film pressure sensor 51 is attached to the surface of each sub-air bag, and can accurately measure the pressure of the pressure bearing surface of each sub-air bag. The more effective signal acquisition points corresponding to the sub-air bags 41, the more detailed the acquired pressure signal. In the present embodiment, 8 thin film pressure sensors 51 are used in each row of the head and neck airbag group 4A, the shoulder and back airbag group 4B, the waist airbag group 4C, and the leg airbag group 4D. In the leg bag group 4D, the length of the last row of sub-bags is shorter to match the shape of the circuit box 42, and only 5 film pressure sensors 51 are provided. For example, two rows of sub-airbags, and 4 film pressure sensors 51 are distributed on the left and right, respectively, as shown in fig. 4. The single-row film pressure sensor 51 can detect pressure distribution, and also can obtain heart rate and breath of the user through pressure frequency relation analysis, and obtain data in aspects of turning over, sleeping state and the like through pressure change analysis of different parts.
The application provides another kind of embodiment, prevent pressing sore intelligent mattress, as shown in fig. 8, intelligent mattress still includes visualization system 11, visualization system 11 passes through communication system 2 and the communication of high in the clouds intelligent control system 1. The visualization system 11 comprises a display screen for outputting information and an input interface for inputting user instructions, the visualization system 11 is connected with the cloud intelligent control system 1 through a network, pressure data, adjustment threshold values and the like of the surfaces of the sub air bags 41 can be displayed, and the user instructions can be input according to body parts to adjust the air bags to be inflated and deflated so as to obtain better comfort. In addition, the intelligent mattress can update the personalized data and the demand of the user to new equipment through the cloud intelligent control system 1 when the user changes the mattress, and copy application of the use parameters of the user is realized.
The working mode of the pressure sore prevention intelligent mattress is as follows:
the air pump 31 is used for filling the sub-air bags 41 with air pressure of 10 to 35kPa, so that the sub-air bags have certain shape retention capacity, and the rigidity of the whole structure of the mattress is improved;
a user lies on the intelligent mattress, inputs corresponding instructions through the visualization system 11, the instructions comprise the height, the weight, the illness state and the pressure sore prevention mode of the user, and can control the inflation and deflation of the sub-air bags 41 to realize the pressure change of each contact part of the body;
according to the specific conditions of the user, the cloud intelligent control system 1 can calculate and issue the control command of the pneumatic control system 3, and transmit the command to the air pump 31 and the electromagnetic valve 33 through the communication system 2. The internal pressure of the specific sub-air bag 41 is reduced or increased by the inflation of the air pump 31 and the adjustment of the electromagnetic valve on/off of the sub-air bag, so as to achieve the effect of conditioning the pressure distribution on the surface of the mattress;
when a user needs to turn over, an instruction can be given through the visualization system 11 of the mattress, the air pump 31 controls the inflation at one side of the inflation area, and the sub-air bags at the other side of the inflation area deflate, so as to achieve the purpose of adjusting the prone position angle of the user. The cloud intelligent control system 1 can also automatically decide the frequency of the user needing to turn over, and change the pressure of the sub-air bag into the turning over or balance pressure of the user under the condition that no instruction is given by a visual system;
when the mattress is replaced, the personalized data and the requirements of the user can be updated to new equipment through the cloud system, and the copy application of the use parameters of the user is realized.
The invention also provides an adjusting method of the intelligent mattress, which can intelligently adjust the mattress according to the state of a user and bring full body and mind skin enjoyment and a mind-fitting design to special crowds or common crowds with inconvenient actions. The scheme comprises the following steps:
firstly, a complete and rich database is established in a cloud intelligent control system 1, the database contains working modes suitable for different types of users, and each working mode is provided with pressure gauge groups with various sleeping postures to form a pressure gauge group;
two, when using, the user lies in the mattress, and the mattress body can gather preliminary state parameter through film pressure sensor 51, reads the operating condition on every film pressure sensor 51 promptly, judges user's height, weight to upload to high in the clouds intelligent control system 1 with this preliminary state parameter.
Thirdly, the cloud intelligent control system 1 receives the initial state parameters sent back after the user lies on the bed, starts a searching function, finds a working mode matched with the body type of the user in a database, and starts intelligent adjustment work. After the work is finished, all data in the working process are uploaded to the cloud intelligent control system 1.
The method can be further perfected as follows:
the working mode of the intelligent adjustment work is that the sleeping posture of a user lying on the mattress body is firstly identified, and the identification of the sleeping posture is judged according to different pressure value distributions of the film pressure sensors 51 in each posture. Basically, four main postures are possible, lying flat, lying on the left, lying on the right, lying prone. In each posture, the corresponding pressure gauge can be found in the pressure gauge group. The pressure gauge is a pressure value of the working state of each sub-air bag. The pressure gauges with different sleeping postures in the same working mode form a pressure gauge group. Defining the initial sleeping posture of the user as a sleeping posture A, searching a corresponding pressure gauge in the pressure gauge group according to the sleeping posture A, sending a command to the air pump 31 and the electromagnetic valve 33 through the cloud intelligent control system 1, and adjusting the value of the sub-air bag 41 on the pressure gauge to the optimal state of the working mode in the sleeping posture A so as to bring comfort enjoyment to the user.
The film pressure sensor 51 continuously collects the surface pressure of the sub-air bag 41 to continuously identify the sleeping posture, and the user can feel the change of the sleeping posture when the user lies on the bed cushion and the posture is stiff for a long time or turns over occasionally. When the sleeping posture A changes into the sleeping posture B, the film pressure sensor 51 can acquire different pressure signals and transmit the pressure signals to the cloud intelligent control system 1, the cloud intelligent control system 1 judges the sleeping posture again, the pressure gauge corresponding to the sleeping posture B is searched, and each sub-air bag of the mattress is automatically adjusted to the pressure gauge value corresponding to the sleeping posture B again. The steps are repeated all the time, and as long as the sleeping posture changes, the sub-air bags 41 can respond in time, so that the mattress is adjusted to the best comfortable state of the current state immediately, and the situation of mismatching is avoided.
When a user enters a sleeping state or does not move for a long time, for example, the detected sleeping posture is set to be unchanged for 30min, in order to prevent pressure sores or discomfort caused by the fact that the blood circulation is blocked due to the fact that the contact pressure of the skin surface of a plurality of key parts is too large for a long time, the method has a pressure fluctuation program in the working mode.
Optionally, the pressure fluctuation procedure is such that the pressure of the sub-cells 41 in contact with the body is varied in real time in a dynamic manner, resulting in a fluctuation-like effect, which is not easily perceived by the human sense, otherwise it will affect the sleep and rest of the user on the mattress.
In the pressure fluctuation program, firstly, according to the signal of the film pressure sensor 51 on the signal acquisition point, extracting the pressure high point, setting the pressure values of different pressure high points in the database according to different body types, when detecting that one or some sub-airbags 41 have one pressure value, the film pressure sensor 51 is larger than the set value of the database, judging that the sub-airbag 41 is set as the pressure high point, and then carrying out small-range fluctuation on the sub-airbag 41 where the pressure high point is located. The air pressure value of the current state of each high-pressure sub-air bag 41 is used as the fluctuation starting pressure, then the pressure of the sub-air bag gradually rises, gradually decreases after reaching the wave crest, and starts rising again when reaching the wave trough, so that a sine curve is formed and fluctuates back and forth uniformly. The amplitude difference of the air pressure values of the wave crest and the wave trough is 1-6kPa, and the time for each sub-air sac to stay at the wave crest or the wave trough is not more than 5 min.
In the pressure fluctuation program, the pressure high point value may not be distinguished, and the fluctuation may be performed in the same manner as described above, with all the sub-airbags 41 being the objects of the fluctuation.
Optionally, in the working mode of the invention, the inner part comprises two models which can be selected, one is a comfortable model, and the other is an anti-pressure sore model. The comfortable model is just the work model of above-mentioned description, according to different size control gasbags aerify, the gassing, realize that the pressure that each position of human receives is unanimous with the comfort level pressure value of gathering in advance in the database and setting for, is fit for ordinary crowd, mainly used rest and sleep, and the comfort level of laying is emphasized, improves rest quality. The pressure sore prevention model is used for preventing pressure sores as the name suggests, is suitable for special people with inconvenient actions, and cannot turn over or act actively when lying on the mattress, so that the pressure sores are slowed down and avoided by the aid of specific actions.
The key pressure sore prevention part is pre-judged in the initial sleeping position, and the pressure in the sub-air bags corresponding to the key part is adjusted to be below 4kPa
Further, in the pressure sore prevention model designed by the invention, the initial sleeping posture is firstly judged after the working mode is started, then the position of the sub-air bag 41 of the key pressure sore prevention part is extracted according to the pre-judgment of the initial sleeping posture, and the minor amplitude is adjusted to be below 4 kPa. By means of the mode of pressure discharge in advance, the pressure of the important pressure sore prevention part is relieved, and the pressure on the surface of the human body is distributed to the other sub-air bags 41, so that the pressure is balanced, and the pressure of each part is balanced as much as possible.
The key pressure sore prevention parts corresponding to all sleeping postures are shown in the following table 1.
TABLE 1
Furthermore, the fluctuation program of the pressure sore prevention model designed by the invention comprises a turning-over action. Namely, in the original dynamic fluctuation process, the turning-over action is executed at intervals, for example, after the fluctuation program is executed for 1 hour, the turning-over action is started to be inserted. The turning-over action charges the head and neck air bag group 4A, the shoulder and back air bag group 4B and the waist air bag group 4C in the same row of the double rows of sub-air bags to the highest limit value of the pressure value, and releases the head and neck air bag group 4A, the shoulder and back air bag group 4B and the waist air bag group 4C in the other row to the lowest limit value of the pressure value. At the moment, the mattress is in a state that one side is higher and the other side is lower, so that a user who is inconvenient to move can be actively helped to turn over in time, and discomfort caused by long-time inconvenient postures is relieved. After the high-low air pressures of the two rows of sub-air bags stay for 15-30min, the high-low air pressures are alternated, and a row of head-neck air bag groups 4A, shoulder-back air bag groups 4B and waist air bag groups 4C with the highest limit value of the original pressure value are placed to the lowest limit value of the pressure value, and a row with the lowest limit value of the original pressure value is inflated to the highest limit value of the pressure value. The turning-over action is finished after the alternation of 2-5 times, and the dynamic fluctuation process is returned.
Optionally, a manual setting interrupt routine may be suspended during the pressure fluctuation routine. In the process of pressure fluctuation, if the user feels uncomfortable or wants to replace the fluctuation amplitude value of the sub-air bag 41, a manual setting interruption program is started, after the air pressure value of the replacement sub-air bag is manually input, the pressure fluctuation program is continuously executed, and at this time, pressure fluctuation is carried out according to the value which is automatically set.
Further, the database established in the invention comprises a plurality of pressure gauge groups suitable for users with different body types, and each pressure gauge group comprises a plurality of pressure gauges suitable for different sleeping postures. The value on the pressure gauge is the air pressure value corresponding to the inflation/deflation of each sub-air bag.
The pressure gauge value in the invention is obtained by collecting various different subjects to perform data statistical analysis and calculation. Firstly, collecting the sex, the height and the weight of a testee, and classifying the testee into different working modes according to the body type. For example, the sexes are divided into two groups of men and women, and then a plurality of grades such as S, M, L, XL are arranged in each group of sexes, and each grade of each gender forms an operation mode.
When the subject performs data acquisition, all the sub-air bags of the mattress are firstly emptied, and after the subject lies down, the mattress starts to be inflated until all the sub-air bags 41 are filled. And (4) adjusting the sub-air bag pressure value of the uncomfortable position of the testee according to the feeling of the testee, and forming a pressure sampling table P of the current sleeping posture state in the working mode of the testee. And sampling N pressure sampling meters P at the same sleeping posture in the same working mode, and averaging all sub-air bags 41 of the N pressure sampling meters P to form a pressure meter for the current sleeping posture in the working mode in the database.
When the testees are sampling, at least 2 groups of four body positions of lying, lying on the left side, lying on the right side and lying on the stomach are alternately tested by each testee in turn. At least 100 samples were taken for each mode of operation.
In the method, after the work is finished, all data in the work process are uploaded to the cloud intelligent control system 1. The data received by the cloud intelligent control system 1 comprise the sex, height and weight information uploaded by the user and a pressure gauge of the user in the optimal comfortable state of a certain sleeping posture. The cloud intelligent control system 1 regards the user as a new subject, classifies the new subject into a matched working mode, automatically collects each sleeping posture pressure gauge set by the user as a subject pressure sampling table P in the database, and updates the average value of the pressure gauges in the database. This allows the intelligent mattress of the invention to have an autonomous learning ability, and the database is continuously improved and updated, so that the intelligent mattress is more intelligent and more "smart".
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (25)
1. The utility model provides a prevent pressing sore intelligence mattress which characterized in that: the system comprises a pneumatic control system, a communication system, a cloud intelligent control system, a pressure acquisition layer and an air bag layer; the air bag layer comprises a plurality of independent sub air bags, the pressure acquisition layer is provided with a plurality of pressure acquisition points, and the surface pressure of the multiple points of the sub air bags is acquired; the pneumatic control system is used for inflating/deflating each sub-air bag, the pneumatic control system and the pressure acquisition layer are respectively communicated with the cloud intelligent control system through the communication system, the cloud intelligent control system calculates pressure distribution according to acquired pressure signals, and the pressure of each sub-air bag is automatically adjusted.
2. The pressure sore prevention intelligent mattress as recited in claim 1, wherein: the pressure acquisition layer comprises a plurality of film pressure sensors, the film pressure sensors are connected with the pressure acquisition module, and the pressure acquisition module receives pressure signals acquired by the film pressure sensors and sends the pressure signals to the cloud intelligent control system through the communication system.
3. The pressure sore prevention intelligent mattress as recited in claim 2, wherein: the thin film pressure sensor is a piezoelectric sensor or a piezoresistive sensor.
4. The pressure sore prevention intelligent mattress as recited in claim 1, wherein: the air bag layer comprises a plurality of sub air bags which can be independently controlled to inflate/deflate, and a head and neck air bag group, a shoulder and back air bag group, a waist air bag group and a leg air bag group are formed.
5. The pressure sore prevention intelligent mattress as recited in claim 5, wherein: the head and neck airbag group, the shoulder and back airbag group and the waist airbag group comprise double-row sub airbags, and the leg airbag group comprises single-row sub airbags.
6. The pressure sore prevention intelligent mattress as recited in claim 5, wherein: the sub air bags are columnar air bags, and a plurality of signal acquisition points are uniformly distributed on one sub air bag.
7. The pressure sore prevention intelligent mattress as recited in claim 1 or 2, characterized in that: the pressure acquisition layer is 50-150cm per unit2The film pressure sensor is provided with 1 signal acquisition point, and each signal acquisition point is provided with one film pressure sensor.
8. The pressure sore prevention intelligent mattress as recited in claim 1, wherein: the pneumatic control system comprises an air pump, an air pipe and an electromagnetic valve, the sub-air bags are connected with the air pump through the air pipe, the electromagnetic valve is installed on the air pipe, and the cloud intelligent control system transmits signals to the electromagnetic valve and the air pump through the communication system to control inflation and deflation of the sub-air bags.
9. The pressure sore prevention intelligent mattress as recited in claim 1, wherein: the intelligent mattress further comprises a visualization system, the visualization system comprises a display screen and an input interface, and the visualization system is in network connection with the cloud intelligent control system.
10. An adjusting method of an intelligent mattress is characterized in that: comprises the following steps
Firstly, establishing a database which comprises different types of working modes and a pressure gauge group of each mode;
secondly, the user lies on the mattress, acquires the initial state parameters and uploads the initial state parameters to the cloud intelligent control system;
and thirdly, selecting a working mode matched with the body type of the user in the database according to the initial state parameters, starting the work, and uploading the data to the cloud intelligent control system after the work is finished.
11. The method for adjusting an intelligent mattress according to claim 10, wherein: the working mode comprises the following working processes:
firstly, identifying a sleeping posture, defining an initial sleeping posture as a sleeping posture A, searching a corresponding pressure gauge in a pressure gauge group according to the sleeping posture A, and inflating and deflating each sub-air bag of the mattress into a value of the pressure gauge;
continuously identifying the sleeping posture, and if the sleeping posture A changes into the sleeping posture B, adjusting each sub-air bag of the mattress to a pressure gauge value corresponding to the sleeping posture B; repeating the steps;
if the sleeping posture is identified to be unchanged for a long time, a pressure fluctuation program in the working mode is started.
12. The method for adjusting an intelligent mattress according to claim 11, wherein: in the pressure fluctuation program, the pressure fluctuation is to extract a pressure high point according to the signal of the film pressure sensor on the signal acquisition point and carry out small-range fluctuation on the sub-airbag where the pressure high point is located.
13. The method for adjusting an intelligent mattress according to claim 11, wherein: in the pressure fluctuation program, the pressure fluctuation is carried out on all the sub-air bags in a small range according to signals of the film pressure sensors on all the signal acquisition points.
14. The method for adjusting an intelligent mattress according to claim 12 or 13, wherein: the small-range fluctuation takes the current pressure value of the sub-airbag to be fluctuated as the fluctuation starting pressure, and the sub-airbag starts to ascend, descend and ascend to fluctuate uniformly and repeatedly; the fluctuating pressure value forms a sine curve, the amplitude difference of the peak and trough air pressure values is 1-6kPa, and the time for each sub-air bag to stay at the peak or trough is not more than 5 min.
15. The method for adjusting an intelligent mattress according to claim 11, wherein: the sleeping posture is unchanged for a long time, and the unchanged time is set to be 30 min.
16. The method for adjusting an intelligent mattress according to claim 11, wherein: the working modes comprise an anti-pressure sore model and a comfortable model.
17. The method for adjusting an intelligent mattress according to claim 16, wherein: the pressure sore prevention model pre-judges a key pressure sore prevention part in the initial sleeping posture, adjusts the corresponding sub-air bags to enable the pressure of the key part to be below 4kPa, and then starts a pressure fluctuation program.
18. The method for adjusting an intelligent mattress according to claim 17, wherein: the initial sleeping posture is lying, and the key pressure sore prevention parts are a pillow part, a scapular part, a hand elbow part and a sacral tail part; the initial sleeping postures are the left side and the right side, and the key pressure sore prevention parts are ears, shoulder peak parts, elbows, hips, inner and outer sides of knee joints and ankles; the initial sleeping posture is prone, and the key pressure sore preventing parts are forehead, scapula, elbow and knee.
19. The method for adjusting an intelligent mattress according to claim 16 or 17, wherein: the pressure fluctuation program in the pressure sore prevention model comprises a turning-over action; when the patient turns over, the head and neck air bag group, the shoulder and back air bag group and the waist air bag group in the same row of the two rows of sub-air bags are inflated to the highest limit value of the pressure value, and the head and neck air bag group, the shoulder and back air bag group and the waist air bag group in the other row are placed to the lowest limit value of the pressure value; the two rows of sub-air bags stay for a certain time alternately under high and low air pressure.
20. The method for adjusting an intelligent mattress according to claim 19, wherein: the high-low pressure retention time is 15-30min, and the alternation times are 2-5 times.
21. The method for adjusting an intelligent mattress according to claim 18, wherein: the database comprises a plurality of pressure gauge groups suitable for users with different body types, and each pressure gauge group comprises a plurality of pressure gauges suitable for different sleeping postures.
22. The method for adjusting an intelligent mattress according to claim 21, wherein: the pressure value of the pressure gauge is calculated by collecting data statistics of the testees with different body types.
23. The method for adjusting an intelligent mattress according to claim 22, wherein: the subjects collected their sex, age, height, weight.
24. The method for adjusting an intelligent mattress according to claim 22, wherein: the testee lies on the mattress under the state that the sub-air bags are empty, the sub-air bags are inflated to be full, the pressure values of the sub-air bags at uncomfortable positions are adjusted according to the feelings of the testee, a pressure sampling table P of the sleeping posture is formed, and the average value of the pressure sampling tables P of a plurality of similar body types is the pressure gauge of the sleeping posture of the body type user in the database.
25. The method for adjusting an intelligent mattress according to claim 10, wherein: also includes an autonomous learning step; the user uploads a pressure gauge in the best comfortable state of a certain sleeping posture during self use, and the cloud intelligent control system automatically takes the pressure gauge as a pressure sampling gauge P of a subject in the database to update the database.
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