CN113100604B - Method for establishing database of electric bedstead and using method - Google Patents
Method for establishing database of electric bedstead and using method Download PDFInfo
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- CN113100604B CN113100604B CN202110600686.8A CN202110600686A CN113100604B CN 113100604 B CN113100604 B CN 113100604B CN 202110600686 A CN202110600686 A CN 202110600686A CN 113100604 B CN113100604 B CN 113100604B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/86—Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C19/00—Bedsteads
- A47C19/02—Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
- A47C19/021—Bedstead frames
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
- A47C31/123—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for beds or mattresses
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
Abstract
The invention belongs to the technical field of electric bed frames, and particularly relates to a method for establishing an electric bed frame database and a using method thereof. According to the invention, the inclination angles of the upper body and the lower body of the electric bedstead are monitored in real time, and the database established by the application is used for calculation and analysis, so that the upper body angle and the lower body angle of the bedstead can be regulated in a personalized manner, the comfort of a user in different modes is improved, the spinal health of the user is ensured, and the experience feeling is enhanced.
Description
Technical Field
The invention belongs to the technical field of electric bedstead, and particularly relates to an establishing method and a using method of an electric bedstead database.
Background
With the development of socio-economic and the change of demand, the lying posture provided by the traditional bed can not meet the current diversified bed demands. More and more people can spend a period of leisure entertainment before falling asleep in bed to relax the body and mind, help oneself better fall asleep, in order to guarantee the comfortable and relaxed of health, the user can usually adjust posture according to different situations. The traditional bed cannot meet the requirements of relaxation before sleeping, such as helping a user align the sight line with the center of a screen when watching television or giving consideration to the comfort of cervical vertebra and arms when the user reads; the user is usually required to adjust to a sitting position and a leaning position on the bed by himself to meet different relaxation situation requirements.
At present, electronic bedstead is popularized, the user can carry out the bedstead according to individual subjective impression and adjust, the upper half body presents the state of lifting up usually in common reading sight, the bedstead is set level when comparing with the sleep, the bedstead that lifts up is because the change of posture, the physiological curvature of cervical vertebra and lumbar vertebrae has been changed, lead to the flexibility ratio of joint regulation to descend, produce uncomfortable sense, and current bedstead adjustment scheme is the popular scheme, can't carry out individualized regulation according to the height weight that the user is different, user's subjective impression does not represent true comfortable, so user's travelling comfort and experience sense are not good.
In view of this, the present invention is proposed.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a method for establishing a database of an electric bed frame and a method for using the same, wherein the method comprises the steps of monitoring the inclination angles of the upper body and the lower body of the electric bed frame in real time, performing calculation and analysis by using the database established in the present application, and individually adjusting the upper body angle and the lower body angle of the bed frame, thereby improving the comfort of a user in a corresponding mode, ensuring the spine health of the user, and enhancing the experience.
In order to achieve the purpose, the invention is solved by the following technical scheme:
a method for establishing a database of an electric bed frame comprises the following steps of establishing the database:
(1) a plurality of testers are recruited to participate in the data collection experiment;
(2) eliminating extreme testers, and screening homogeneous groups;
(3) collect and avoid oppressing the safe angle scope of chest belly:
respectively measuring waistlines of all testers, gradually combining the upper half body bed plate and the lower half body bed plate, reducing the size of a middle included angle (the included angle between the upper half body bed plate and the lower half body bed plate), stopping immediately when the testers reflect that the chest and abdomen feel oppression, calculating the size of the current included angle, taking the included angle as a critical value in the adjustment process of the bed frame, and calculating the relation between the angle and the waistlines;
(4) collecting fixed angle parameters of a relaxation mode and a sleep-aid mode:
firstly, defining the balance range of the stress of the upper half body and the lower half body (the upper half body and the lower half body bed plate are taken as two independent bodies, and firstly, adjusting the included angle between each of the two plates and the horizontal plane): the comfort range of the stress ratio of the upper half and the lower half of the two modes is 1.1-2.5 of the relaxation mode ratio, and the sleep-assisting mode ratio is 0.1-1 (a calculation formula is that the weight of the upper half is m1 Xg Xsin (angle of the upper half of the bed frame)/the weight of the lower half is m2 Xg Xcos (angle of the lower half of the bed frame), the former is the downward force of the upper half along the bed surface, and the latter is the supporting force of the vertical bed surface of the lower half);
calculating the initial angle of the bed frame in different modes: based on the comfort range of the force ratio, the group range of the bed frame angles in the relaxation mode before sleep and the sleep-aid mode before sleep is calculated in different groups according to the average weight of the upper half and the lower half of the group (1 can be obtained by two modes, the initial angle of the bed frame in different modes is modified by a method that a user adjusts the bed frame angles in different modes according to subjective feeling, the upper half body included angle is set as theta 1 and the lower half body included angle is set as theta 2 after the adjustment is finished, the force ratio is calculated according to the angle, if the force analysis result is displayed in the comfort range, the upper half body included angle and the lower half body included angle do not need to be adjusted, otherwise, the angle adjustment is performed in the range of 20% above and below theta 1 and theta 2, all combinations corresponding to the proper ratio and the upper and lower included angle ranges are selected as far as possible with 1 degree as unit, the middle value of the ranges is taken as the initial angle used in the third step, 2, the force ratio = is calculated according to a calculation formula m1 Xg Xsin (theta 1) ]/[ m2 Xg Xcos (theta 2) ], when the stress ratio respectively takes the maximum value and the minimum value of the ratio range in the first step, the body weights m1 and m2 are obtained according to measurement, multiple combinations can be obtained by the included angles theta 1 and theta 2 of the unknowns, and the intermediate value is taken as the angle value of the initial state;
determining the initial angle of the relaxation mode in different groups and the bed frame adjusting mode: presenting an activity matched with a sleep relaxation mode, carrying out the activity by a tester in the initial state of a bed frame of the sleep relaxation mode, calculating the current relaxation degree of a user by monitoring the proportion of alpha waves of brain waves of the user in a frame in real time, carrying out stress analysis according to the weight of the upper body and the lower body of the tester if the alpha waves have a descending trend and indicate that the relaxation degree does not reach the standard, calculating whether the current stress proportion is in a comfort range, and if so, adjusting the angle of the bed frame to enable the proportion to be 1: 1, approaching, and if not, adjusting the angle by taking the comfort range as a standard; finally, recording the angle states meeting the standard of the relaxation degree, sequentially carrying out the procedures in different groups of testers, and calculating the average value of the angles in each group to be used as the bed frame initial state of the relaxation mode when the group is actually used;
determining the initial angle and the bed frame adjusting mode of the sleep-aiding situation in different groups: after the bedstead is adjusted to the initial angle of the sleep-aiding mode, a tester is required to put all activities in hands down to start trying to fall asleep, the proportion of theta waves of a brain wave of a user in one frame is monitored in real time to calculate the sleep state, if the proportion of the theta waves is in a steady ascending trend, the current bedstead can help falling asleep, otherwise, a bedstead adjusting program is started, the adjusting program and the standard are the same as those of the third step, finally, the angle state meeting the sleep-aiding is recorded, the programs are sequentially carried out in different groups of testers, and the average value of angles in each group is calculated to serve as the initial state of the bedstead of the sleep-aiding mode when the group is actually used;
(5) collecting cervical and lumbar adjustment curvature data:
calculating the curvature of cervical vertebra and lumbar vertebra in real time by using a lumbar vertebra and vertebra curvature instrument, calculating the relation between the curvature and an upper half bed frame to form a calculation formula, sequentially adjusting the heights of a head bed plate and a waist bed plate to meet the current physiological curvature after the upper half body and the lower half body are stressed in a balanced manner, adding the heights of the head and the waist bed frames which meet the physiological curvature into the initial state of the bed frame in a relaxing and sleep-assisting situation, wherein the pressure calculation formula of the upper half body downwards along the bed surface is the weight of the upper half body multiplied by g multiplied by sin (the angle of the upper half body of the bed frame), the support force calculation formula of the lower half body vertical to the bed surface is the weight of the lower half body multiplied by g multiplied by cos (the angle of the lower half body of the bed frame), and adjusting the angles of the upper half body and the lower half body of the bed frame to maintain the balance of the two forces;
(6) collecting the time required for falling asleep;
(7) a database is obtained.
The experimental process of the step (1) is to divide all testers into a male group and a female group according to gender, and divide the testers into a plurality of groups according to body mass indexes in different gender groups.
The testers were divided into four groups including 18.4 or less, 18.5-24.9, 25-28, and 29 or more according to body mass index.
The experimental process of the step (2) is that the proportion of the upper half body weight and the lower half body weight of each group of testers in the total weight is respectively summarized in different groups, the average value and the standard deviation of the proportion are calculated in each group, the testers with any proportion exceeding the range of plus or minus 10 percent of the average value in each group (preferably plus or minus one standard deviation) are removed from the groups, and the removed groups are used as experimental groups required for establishing a database; respectively summarizing the physiological curvature of the cervical vertebra and the lumbar vertebra of each group of testers in different groups, calculating the average value and the standard deviation of the physiological curvature in each group, removing the testers with any curvature exceeding the range of plus or minus 10 percent of the average value in each group (preferably plus or minus one standard deviation) from the groups, and taking the removed groups as experimental groups required for establishing a database.
The adjustment procedures and criteria in step (4) are obtained by the following experimental steps:
firstly, adjusting the angle of the upper half body, keeping the angle of the lower half body unchanged, and calculating the change degree and speed of the relaxation degree;
adjusting the angle of the lower half body, keeping the angle of the upper half body unchanged, and calculating the change degree and speed of the relaxation degree;
adjusting the angles of the upper half body and the lower half body simultaneously, and calculating the change degree and speed of the relaxation degree;
and fourthly, respectively monitoring through brain waves, and calculating the change degree and speed of the relaxation degree in the three methods through the brain wave monitoring, so as to screen out the optimal bed frame adjusting mode.
The releasing mode in the step (4) comprises watching television, reading and playing mobile phones, and the sleep-assisting mode comprises closed-eye meditation and listening to music.
The experimental process in the step (6) is that in the state that the bed frame is leveled, the testers are required to try to fall asleep, meanwhile, the sleep monitoring equipment is used for monitoring the sleep state of the users, the time required for each tester to enter the first second-stage sleep is judged through retrospective sleep data analysis, the time is used as the falling-asleep time of the testers, and the group average value is calculated in the group to which the testers belong and used as the time standard for leveling the bed frame when the testers use.
The experimental process in the step (7) is to input the collected sex, height, weight and waistline data of the experimental group, the safe angle range for avoiding pressing the chest and abdomen, the fixed angle parameters of the relaxation mode and the sleep-assisting mode, the cervical vertebra and lumbar vertebra adjusting curvature and the time required for falling asleep into a processing program.
A use method of an electric bed frame database comprises the following specific operation steps:
(1) the user inputs data of gender, height, weight and waist circumference by himself, and the program automatically matches the homogeneous group data packet in the database to obtain the weight of the upper half body and the lower half body of the user;
(2) selecting a mode, namely selecting a relaxation or sleep-aid mode;
(3) the background program calculates the stress and the proportion of the upper half body and the lower half body according to the weight of the upper half body and the lower half body of the user and the angle of the bed frame, judges whether the proportion is in a comfort range, if so, does not adjust, otherwise, adjusts the angle of the bed frame to the comfort range according to the preferable bed frame adjusting mode of the group; calculating the physiological curvature of the current cervical vertebra and lumbar vertebra of the user according to the corresponding relation between the angle in the group and the cervical vertebra and the lumbar vertebra, and adjusting the bed frame of the head and the waist to meet the physiological curvature; firstly, the upper half body and the lower half body are taken as two independent bodies to be adjusted, when the stress ratio meets the standard, the adjustment is carried out, the change of the physiological curvature of the cervical vertebra and the lumbar vertebra can be realized by adjusting the vertical height of the head and the waist bed plate, and the higher the upper half body is lifted, the higher the physiological curvature of the cervical vertebra and the lumbar vertebra is (the maximum curvature is when the upper half body is standing); the main adjusting mode of body comfort is firstly satisfied, and then fine adjustment is carried out on the population with insufficient functions of cervical vertebra and lumbar vertebra;
(4) if the user selects the sleep-aiding mode, the program starts to time, and when the time reaches the average sleeping time of the group or the time set by the user, the bed frame is leveled according to the preferred adjusting mode of the group.
The invention has the following beneficial effects:
1. the invention not only can adjust the bed frame mode in real time according to the change of body biomechanics in the using process of a user, but also can evaluate and adjust the physiological curvature of cervical vertebra and lumbar vertebra of the user in real time and has adaptability. Specifically, the invention provides a basic bedstead mode and a personalized bedstead adjusting program which can meet the requirements of different groups on relaxation and sleep-assisting functions by collecting data in homogeneous groups and establishing a database; when the system is used, a user only needs to input data such as sex, height, weight, waistline and the like into the database, the system can automatically match with a homogeneous group according to the characteristics of the user, and a basic bedstead mode and a bedstead adjusting program in the homogeneous group database are extracted.
2. In different situations of pre-sleep relaxation (such as watching television, reading, playing mobile phones and the like) and sleep-assisting situations (such as listening to music, closing eyes and meditation and the like), the invention can better meet the requirement of body comfort in the situations of pre-sleep relaxation and sleep-assisting, and ensure the health of the spine, thereby helping fall asleep and maintaining the sleep stability.
3. The invention also reduces the wearing of corresponding measuring tools in the using process and enhances the experience.
Detailed Description
The present invention will be further described with reference to the following embodiments.
A method for establishing a database of an electric bed frame comprises the following steps of establishing the database:
(1) a plurality of testers are recruited to participate in the data collection experiment; (the experimental process of the step (1) is that all testers are divided into a male group and a female group according to sex, and the testers are divided into a plurality of groups according to the body quality indexes in different sex groups, and the testers are divided into a plurality of groups according to the body quality indexes, wherein the groups comprise four groups of less than 18.4, 18.5-24.9, 25-28 and more than 29)
(2) Eliminating extreme testers, and screening homogeneous groups;
(3) collect and avoid oppressing the safe angle scope of chest belly:
respectively measuring waistlines of all testers, gradually combining an upper half body bed board and a lower half body bed board (a testee lies on an electric bed), reducing the size of a middle included angle (the included angle between the upper half body bed board and the lower half body bed board), stopping immediately when the testee reflects chest and abdomen feeling oppression, calculating the size of the current included angle, taking the included angle as a critical value in the adjustment process of the bed frame, and calculating the relation between the angle and the waistlines;
(4) collecting fixed angle parameters of a relaxation mode and a sleep-aid mode:
firstly, defining the balance range of the stress of the upper half body and the lower half body (the upper half body and the lower half body bed plate are taken as two independent bodies, and firstly, adjusting the included angles between the two plates and the horizontal plane): the comfort range of the stress ratio of the upper half and the lower half in the two modes is 1.1-1.5 of the relaxation mode ratio, and the sleep-assisting mode ratio is 0.3-1 (the calculation formula is the weight of the upper half m1 Xg Xsin (upper half angle of bed frame)/the weight of the lower half m2 Xg Xcos (lower half angle of bed frame), the former is the downward force of the upper half along the bed surface, and the latter is the supporting force of the vertical bed surface of the lower half);
calculating the initial angle of the bed frame in different modes: calculating the group range of bed frame angles in a relaxation mode before sleep and a sleep-aid mode in different groups according to the average weight of the upper half and the lower half of the group based on the comfort range of a stress ratio (1. the initial angle of the bed frame in different modes is modified by adjusting the bed frame angles in different modes according to subjective feeling by a user, setting the upper half included angle to theta 1 and the lower half included angle to theta 2 after the adjustment is completed, calculating the stress ratio according to the angle, if the stress analysis result is displayed in the comfort range, the upper half included angle and the lower half included angle do not need to be adjusted, otherwise, adjusting the angles in the range of 20% above and below theta 1 and theta 2, exhausting all combinations by taking 1 degree as a unit, screening the combination and the range of the upper and lower included angles corresponding to the appropriate ratio, taking the middle value of the range as the initial angle used in the third step, 2. calculating the stress ratio = [ m1 × g (theta 1) H, m2 Xg Xcos (theta 2), when the stress proportion respectively takes the maximum value and the minimum value of the proportion range in the first step, the weight m1 and the weight m2 are obtained according to measurement, and various combinations can be obtained by unknown included angles theta 1 and theta 2; ) Taking the intermediate value as the angle value of the initial state;
determining the initial angle of the relaxation mode in different groups and the bed frame adjusting mode: presenting an activity matched with a pre-sleep relaxation mode, carrying out the activity by a tester in an initial state of a bed frame of the pre-sleep relaxation mode, calculating the current relaxation degree of a user by monitoring the proportion of alpha waves of brain waves of the user in a frame in real time, carrying out stress analysis according to the weight of the upper body and the lower body of the tester if the alpha waves have a descending trend and indicate that the relaxation degree does not reach the standard, calculating whether the current stress ratio is in a comfort range, and if so, adjusting the angle of the bed frame to enable the ratio to be 1: 1, approaching, and if not, adjusting the angle by taking the comfort range as a standard; finally, recording the angle states meeting the standard of the degree of relaxation, sequentially carrying out the procedures in different groups of testers, and calculating the average value of the angles in each group to be used as the bed frame initial state of the relaxation mode when the group actually uses the bed frame;
determining the initial angle of the sleep aiding situation in different groups and the bed frame adjusting mode: after the bedstead is adjusted to the initial angle of the sleep-aiding mode, a tester is required to put all activities in hands down to start trying to fall asleep, the proportion of theta waves of a brain wave of a user in one frame is monitored in real time to calculate the sleep state, if the proportion of the theta waves is in a steady ascending trend, the current bedstead can help falling asleep, otherwise, a bedstead adjusting program is started, the adjusting program and the standard are the same as those of the third step, finally, the angle state meeting the sleep-aiding is recorded, the programs are sequentially carried out in different groups of testers, and the average value of angles in each group is calculated to serve as the initial state of the bedstead of the sleep-aiding mode when the group is actually used;
(5) collecting cervical vertebra and lumbar vertebra adjustment curvature data:
calculating the curvature of cervical vertebra and lumbar vertebra in real time by using a lumbar vertebra and vertebra curvature instrument, calculating the relation between the curvature and an upper half bed frame to form a calculation formula, sequentially adjusting the heights of a head bed plate and a waist bed plate to meet the current physiological curvature after the upper half body and the lower half body are stressed in a balanced manner, adding the heights of the head and the waist bed frames which meet the physiological curvature into the initial state of the bed frame in a relaxing and sleep-assisting situation, wherein the pressure calculation formula of the upper half body downwards along the bed surface is the weight of the upper half body multiplied by g multiplied by sin (the angle of the upper half body of the bed frame), the support force calculation formula of the lower half body vertical to the bed surface is the weight of the lower half body multiplied by g multiplied by cos (the angle of the lower half body of the bed frame), and adjusting the angles of the upper half body and the lower half body of the bed frame to maintain the balance of the two forces;
(6) collecting the time required for falling asleep;
(7) a database is obtained.
The experimental process of the step (2) is that the proportion of the upper half body weight and the lower half body weight of each group of testers in the total weight is respectively summarized in different groups, the average value and the standard deviation of the proportion are calculated in each group, the testers with any proportion exceeding the range of plus or minus 10 percent of the average value in each group (preferably plus or minus one standard deviation) are removed from the groups, and the removed groups are used as experimental groups required for establishing a database; respectively summarizing the physiological curvature of the cervical vertebra and the lumbar vertebra of each group of testers in different groups, calculating the average value and the standard deviation of the physiological curvature in each group, removing the testers with any curvature exceeding the range of plus or minus 10 percent of the average value in each group (preferably plus or minus one standard deviation) from the groups, and taking the removed groups as experimental groups required for establishing a database.
The adjustment procedures and criteria in step (4) are obtained by the following experimental steps:
firstly, adjusting the angle of the upper half body, keeping the angle of the lower half body unchanged, and calculating the change degree and speed of the relaxation degree;
adjusting the angle of the lower half body, keeping the angle of the upper half body unchanged, and calculating the change degree and speed of the relaxation degree;
adjusting the angles of the upper half body and the lower half body simultaneously, and calculating the change degree and speed of the relaxation degree;
and fourthly, respectively monitoring through brain waves, and calculating the change degree and speed of the relaxation degree in the three methods through the brain wave monitoring, so as to screen out the optimal bed frame adjusting mode.
The releasing mode in the step (4) comprises watching TV, reading and playing mobile phones, and the sleep-assisting mode comprises closed-eye meditation and listening to music.
The experimental process in the step (6) is that the tester is required to try to fall asleep when the bed frame is in a flat state, the sleep state of the user is monitored by using the sleep monitoring equipment, the time required for each tester to enter the first second-stage sleep is judged by retrospective sleep data analysis, the time is used as the falling-asleep time of the tester, and the group average value is calculated in the group to which the tester belongs and used as the time standard for the bed frame to be flat when the user uses the bed frame.
And (7) inputting the collected sex, height, weight and waistline data of the experimental group, the safe angle range for avoiding pressing the chest and the abdomen, the fixed angle parameters of the relaxation mode and the sleep-assisting mode, the cervical vertebra and lumbar vertebra adjusting curvature and the time required for falling asleep into a processing program in the experimental process of the step (7).
A using method of an electric bed frame database comprises the following specific operation steps:
(1) the user inputs data of gender, height, weight and waist circumference by himself, and the program automatically matches the homogeneous group data packet in the database to obtain the weight of the upper half body and the lower half body of the user; (the data inputted by the user during the use includes not only these data, but also the user characteristics related to the use of the electric bed frame can be screened out according to the target group of the electric bed frame in the first step of collecting data (for example, the target group of a certain electric bed is characterized by high-pressure insomnia, the homogeneous group screening is required by the pressure degree and the insomnia degree during the data collection, and the database matching is required to be inputted with the pressure degree and the insomnia degree in addition to the basic data such as height and weight during the use of the electric bed))
(2) Selecting a mode, namely selecting a relaxation or sleep-assisting mode;
(3) the background program calculates the stress and the proportion of the upper half body and the lower half body according to the weight of the upper half body and the lower half body of the user and the angle of the bed frame, judges whether the proportion is in a comfort range, if so, does not adjust, otherwise, adjusts the angle of the bed frame to the comfort range according to the preferred bed frame adjusting mode of the group; calculating the physiological curvature of the current cervical vertebra and lumbar vertebra of the user according to the corresponding relation between the angle in the group and the cervical vertebra and the lumbar vertebra, and adjusting the bed frame of the head and the waist to meet the physiological curvature; firstly, the upper half body and the lower half body are taken as two independent bodies to be adjusted, when the stress ratio meets the standard, the adjustment is carried out, the change of the physiological curvature of the cervical vertebra and the lumbar vertebra can be realized by adjusting the vertical height of the head and the waist bed plate, and the higher the upper half body is lifted, the higher the physiological curvature of the cervical vertebra and the lumbar vertebra is (the maximum curvature is when the upper half body is standing); the main adjusting mode of body comfort is firstly satisfied, and then fine adjustment is carried out on the population with insufficient functions of cervical vertebra and lumbar vertebra;
(4) if the user selects the sleep-aiding mode, the program starts to time, and when the time reaches the average sleeping time of the group or the time set by the user, the bed frame is leveled according to the preferred adjusting mode of the group.
The invention has the following beneficial effects:
1. the invention not only can adjust the bed frame mode in real time according to the change of body biomechanics in the using process of a user, but also can evaluate and adjust the physiological curvature of cervical vertebra and lumbar vertebra of the user in real time. Specifically, the invention provides a basic bedstead mode and a personalized bedstead adjusting program which can meet the requirements of different groups on relaxation and sleep-assisting functions by collecting data in homogeneous groups and establishing a database; when the system is used, a user only needs to input data such as gender, height, weight, waistline and the like into the database, the system can automatically match the homogeneous group according to the user characteristics, and a basic bedstead mode and a bedstead adjusting program in the homogeneous group database are extracted.
2. In different situations of pre-sleep relaxation (such as watching television, reading, playing mobile phones and the like) and sleep-assisting situations (such as listening to music, closing eyes and meditation and the like), the invention can better meet the requirement of body comfort in the situations of pre-sleep relaxation and sleep-assisting, and ensure the health of the spine, thereby helping fall asleep and maintaining the sleep stability.
3. The invention also reduces the wearing of corresponding measuring tools in the using process and enhances the experience.
The above embodiments are merely illustrative of the present invention and are not intended to limit the scope of the invention, which is defined by the claims.
Claims (9)
1. A method for establishing a database of an electric bedstead comprises the step of establishing the database, and is characterized in that the specific operation steps of establishing the database are as follows:
(1) a plurality of testers are recruited to participate in the data collection experiment;
(2) eliminating extreme testers, and screening homogeneous groups;
(3) collect and avoid oppressing the safe angle scope of chest belly:
respectively measuring waistlines of all testers, gradually combining the upper half body bed plate and the lower half body bed plate, reducing the size of a middle included angle, immediately stopping when the testers reflect that chest and abdomen parts feel oppression, calculating the size of the current included angle, taking the included angle as a critical value in the bed frame adjusting process, and calculating the relation between the angle and the waistlines;
(4) collecting fixed angle parameters of a relaxation mode and a sleep-aid mode:
defining the balance range of the stress of the upper half body and the lower half body: the comfort range of the stress ratio of the upper half body and the lower half body in the two modes is 1.1-2.5 in the relaxation mode and 0.1-1 in the sleep-assisting mode;
calculating the initial angle of the bed frame in different modes: based on the stress proportion comfort range, calculating the group ranges of the bed frame angles in the pre-sleep relaxation mode and the sleep-assisting mode according to the average weights of the upper half body and the lower half body of the group in different groups, and taking the intermediate value as the angle value in the initial state;
determining the initial angle of the relaxation mode in different groups and the bed frame adjusting mode: presenting an activity matched with a sleep relaxation mode, carrying out the activity by a tester in the initial state of a bed frame of the sleep relaxation mode, calculating the current relaxation degree of a user by monitoring the proportion of alpha waves of brain waves of the user in a frame in real time, carrying out stress analysis according to the weight of the upper body and the lower body of the tester if the alpha waves have a descending trend and indicate that the relaxation degree does not reach the standard, calculating whether the current stress proportion is in a comfort range, and if so, adjusting the angle of the bed frame to enable the proportion to be 1: 1, approaching, and if not, adjusting the angle by taking the comfort range as a standard; finally, recording the angle states meeting the standard of the relaxation degree, sequentially carrying out the procedures in different groups of testers, and calculating the average value of the angles in each group to be used as the bed frame initial state of the relaxation mode when the group is actually used;
determining the initial angle and the bed frame adjusting mode of the sleep-aiding situation in different groups: after the bedstead is adjusted to the initial angle of the sleep-assisting mode, a tester is required to put down all activities in hands to start trying to fall asleep, the proportion of theta waves of a user brain wave in one frame is monitored in real time to calculate the sleep state, if the proportion of the theta waves is in a steady ascending trend, the tester can help the user to fall asleep when the proportion of the theta waves is lower, otherwise, the bedstead adjusting program is started, the adjusting program and the standard are the same as those in the third step, finally, the angle state meeting the sleep-assisting is recorded, the programs are sequentially carried out in testers of different groups, and the average value of angles in each group is calculated and used as the initial state of the bedstead of the sleep-assisting mode when the group is actually used;
(5) collecting cervical vertebra and lumbar vertebra adjustment curvature data:
calculating the curvature of cervical vertebra and lumbar vertebra in real time by using a lumbar vertebra and vertebra curvature instrument, calculating the relation between the curvature and an upper half bed frame to form a calculation formula, sequentially adjusting the heights of a head bed plate and a waist bed plate to meet the current physiological curvature after the upper half body and the lower half body are stressed in a balanced manner, adding the heights of the head and the waist bed frames which meet the physiological curvature into the initial state of the bed frame in a relaxing and sleep-assisting situation, wherein the pressure calculation formula of the upper half body downwards along the bed surface is the weight of the upper half body multiplied by g multiplied by sin (the angle of the upper half body of the bed frame), the support force calculation formula of the lower half body vertical to the bed surface is the weight of the lower half body multiplied by g multiplied by cos (the angle of the lower half body of the bed frame), and adjusting the angles of the upper half body and the lower half body of the bed frame to maintain the balance of the two forces;
(6) collecting the time required for falling asleep;
(7) a database is obtained.
2. The method of claim 1, wherein the database comprises: the experimental process of the step (1) is to divide all testers into a male group and a female group according to gender, and divide the testers into a plurality of groups according to body mass indexes in different gender groups.
3. The method of claim 2, wherein the database comprises: the testers are divided into four groups of 18.4 below, 18.5-24.9, 25-28 and 29 above according to the body quality index.
4. The method of claim 1, wherein the database comprises: the experimental process of the step (2) is that the proportion of the upper half body weight and the lower half body weight of each group of testers in the total weight is respectively summarized in different groups, the average value and the standard deviation of the proportion are calculated in each group, any tester with the proportion exceeding the range of plus or minus 10% of the average value in each group is removed from the groups, and the removed group is used as an experimental group required for establishing a database; respectively summarizing the physiological curvature of cervical vertebra and lumbar vertebra of each group of testers in different groups, calculating the average value and standard deviation of the physiological curvature in each group, removing the testers with any curvature exceeding the range of plus or minus 10% of the average value in each group from the groups, and taking the removed groups as experimental groups required for establishing a database.
5. The method of claim 1, wherein the database comprises: the adjustment procedures and criteria in step (4) are obtained by the following experimental steps:
firstly, adjusting the angle of the upper half body, keeping the angle of the lower half body unchanged, and calculating the change degree and speed of the relaxation degree;
adjusting the angle of the lower half body, keeping the angle of the upper half body unchanged, and calculating the change degree and speed of the relaxation degree;
adjusting the angles of the upper half body and the lower half body simultaneously, and calculating the change degree and speed of the relaxation degree;
and fourthly, screening out the regulation mode used for regulating the bed frame in the group by respectively monitoring brain waves.
6. The method for building an electric bedstead database according to claim 1, wherein the method comprises the steps of: the releasing mode in the step (4) comprises watching television, reading and playing mobile phones, and the sleep-assisting mode comprises closed-eye meditation and listening to music.
7. The method of claim 1, wherein the database comprises: the experimental process in the step (6) is that in the state that the bed frame is leveled, the testers are required to try to fall asleep, meanwhile, the sleep monitoring equipment is used for monitoring the sleep state of the users, the time required for each tester to enter the first second-stage sleep is judged through retrospective sleep data analysis, the time is used as the falling-asleep time of the testers, and the group average value is calculated in the group to which the testers belong and used as the time standard for leveling the bed frame when the testers use.
8. The method of claim 1, wherein the database comprises: and (7) inputting the collected sex, height, weight and waistline data of the experimental group, the safe angle range for avoiding pressing the chest and the abdomen, the fixed angle parameters of the relaxation mode and the sleep-assisting mode, the cervical vertebra and lumbar vertebra adjusting curvature and the time required for falling asleep into a processing program in the experimental process of the step (7).
9. The method for using the electric bedstead database built by the method for building the electric bedstead database according to claim 1, which comprises the following steps:
(1) the user inputs data of gender, height, weight and waist circumference by himself, and the program automatically matches the homogeneous group data packet in the database to obtain the weight of the upper half body and the lower half body of the user;
(2) selecting a mode, namely selecting a relaxation or sleep-aid mode;
(3) the background program calculates the stress and the proportion of the upper half body and the lower half body according to the weight of the upper half body and the lower half body of the user and the angle of the bed frame, judges whether the proportion is in a comfort range, if so, does not adjust, otherwise, adjusts the angle of the bed frame to the comfort range according to the preferred bed frame adjusting mode of the group; calculating the physiological curvature of the current cervical vertebra and lumbar vertebra of the user according to the corresponding relation between the angle in the group and the cervical vertebra and the lumbar vertebra, and adjusting the bed frame of the head and the waist to meet the physiological curvature;
(4) if the user selects the sleep-aiding mode, the program starts to time, and when the time reaches the average sleeping time of the group or the time set by the user, the bed frame is leveled according to the preferred adjusting mode of the group.
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