CN101697870B - Multi-parameter human body function detecting device and detecting method thereof - Google Patents
Multi-parameter human body function detecting device and detecting method thereof Download PDFInfo
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Abstract
The invention discloses a multi-parameter human body function detecting device and a detecting method thereof. The device comprises a balance capability testing unit, a human body composition testing unit and a height testing unit which are integrated into a whole, as well as power supplies which supplies electricity for each unit, wherein data tested by each unit is transmitted to an external computer for analysis through a data transmission interface. In the method, a human body stands on a testing platform of a balancing apparatus, and function parameters of the human body are detected respectively by the balance capability testing unit, the human body composition testing unit and the height testing unit.
Description
Technical field
The present invention relates to sensor technology and health detection field, particularly a kind of multi-parameter human body function detecting device and detection method.
Background technology
The human body component test has important value in clinical medicine and health research, can reflect human nutrition situation and body fluid balance situation objective, quantitatively, it can provide the scope of human body component normal value, and can estimate growth promoter, mature condition and ager process according to this, can offer help to the research of nutriture and relevant disease, and can provide foundation for the evaluation of adolescent growth developmental level.The body composition test has become the important content that health is checked.
Balanced capacity is an aspect of function of human body, it is the coordination ability of health to stimulating from each side such as vestibular apparatus, muscle, tendon, IA proprioreceptor and visions, and equilibrated keeping is that functional integrity such as nerve, muscle, skeletal system embody.
Height is another important input parameter of body composition analysis, the adult changes little with the growth height at age, and for child, teenager and old man, growth height with the age changes clearly, the inaccuracy of height influences the measurement order of accuarcy of body composition, if adopt apparatus measures, will increase the flow process of data acquisition, and make that the instrument floor space increases, the expense height.
The bio-electrical impedance analytic process is a measuring body composition technology that grew up in the last few years, is a kind of safe, quick, inexpensive, bioelectrical impedance analysis method that people are easy to accept.In the present method, normally human body is approximately the bio-electrical impedance whole body measuring method that one section cylinder is measured,,, can obtains accurate body composition information as body weight, age, height, sex etc. with the electrical impedance that obtains other information in conjunction with human body.But because the trunk electrical impedance is less with respect to the extremity electrical impedance, the composition that whole measurement method usually can be covered torso section changes.
Each of human body section resistance value can not directly record in the prior art, need record one group of data and obtain through system-computed.Because the trunk electrical impedance is between 20-30 Ω, and the electrical impedance of extremity is between 200-300 Ω, and the minor variations of extremity resistance value all can cause very big influence to the trunk resistance.In the body composition measurement, the composition information of torso portion is very important, has clinical value.Be necessary to seek a kind of accurate measuring method aspect the measurement of trunk electrical impedance.
In the existing technology, existing total balance of the body instrument and the split of body composition measurement instrument exist.What, height, body weight, age, sex etc. of human body lower limbs muscle quantities have influence without degree to the balanced capacity of human body.The analysis of body composition provides the content of each composition of human body, helps the analysis of balanced ability of human body.Total balance of the body is relevant with vision, vestibule and somesthetic sensibility and nervus centralis at different levels, and the lower limb muscles amount of human body, height, body weight all affect people's balanced capacity, human body component and balanced capacity comprehensively can well react health and healthy early warning.
Summary of the invention
The objective of the invention is: the deficiency at existing in the prior art, provide a kind of multi-parameter human body function detecting device, and the bio-electrical impedance measuring method, information sets such as body composition analysis and height, body weight, balance can be integral.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of multi-parameter human body function detecting device, it is characterized in that: comprise the balanced capacity test cell, human body component test cell, the height test cell that become one, and the power supply of giving each unit power supply, the data that each unit records transfer to outer computer analysis by data transmission interface;
Described balanced capacity test cell comprises equilibristat, equilibristat comprises test platform, equilibristat inside is provided with the force transducer that is distributed in corner location in the described test platform, human body stand on the described test platform, change by described force transducer induction body state, record data by data transmission interface output;
Described body composition test unit comprises excitation power supply, output line, four exciting electrodes and four detecting electrodes, after wherein two exciting electrodes and two detecting electrodes are paired into two groups, be separately positioned on the test platform surface of described equilibristat, contact with human body lower limbs, after two other exciting electrode and two detecting electrodes are paired into two groups, contact with human upper limb respectively, be in series with the measuring resistance that voltage can be surveyed on the described excitation power supply, described excitation power supply is introduced described power source voltage, and voltage step-down behaved after the safe voltage that body can bear, selectively be electrically connected with any two different exciting electrodes, constitute the loop and to the human body output drive signal of telecommunication by exciting electrode and human body, two detecting electrodes that cooperate with selected exciting electrode are exported voltage signal between the detecting electrode by digital transmission interface;
Described height test cell includes guide rail, described guide rail vertically is installed in described equilibristat sidepiece, connect as one with equilibristat, be provided with expansion link in the guide rail, described expansion link is by step motor drive, can in guide rail, slide up and down, described expansion link top is connected with the connecting rod of level, described connecting rod front end is equipped with pressure transducer, human body stand on the described test platform, described expansion link drives pressure transducer and moves up and down, and pressure transducer can contact the human body crown and stressed out of service, by motor operation step number and range ability testing human height parameter of per step of motor.
Described a kind of multi-parameter human body function detecting device, it is characterized in that: described body composition test unit also comprises two handles, be respectively arranged with an exciting electrode and a detecting electrode of being paired on the same group on each handle, also be connected with selector switch between described excitation power supply and the described exciting electrode, described excitation power supply selects the exciting electrode different with two to be electrically connected respectively by selector switch, and constitute the loop with to the human body output drive signal of telecommunication with human body, described data transmission interface is connected with selector switch, by the voltage signal between the detecting electrode that selector switch and being connected of detecting electrode can obtain cooperating with selected exciting electrode, and by the data transmission interface output voltage signal.
A kind of multi-parameter human body function detection method is characterized in that: human body stands on the test platform of described equilibristat, by balanced capacity test cell, human body component test cell, height test cell, and each function parameter of difference testing human;
Described height test cell testing human height parameter, the step motor drive expansion link along guide rail to lower slider, when pressure transducer contact human body head, pressure transducer is stressed, expansion link stops gliding, signal transfers to outside computer by data transmission interface, carry out analyzing and processing by the computer of outside by the distance of step number that motor is moved and every moved further after, calculate human body height parameter;
Described balanced capacity test cell testing human balanced capacity parameter, after human body stands in described test platform, keep a plurality of static equilibrium test postures respectively, when keeping each static equilibrium test posture, four force transducers that are distributed in four jiaos of equilibristats obtain the body weight signal of human body, and by data transmission interface signal is transferred to outside computer and carry out analyzing and processing, in conjunction with human body height parameter, obtain the center of gravity of human body under different static postures and shake information, in computer, carry out comprehensive assessment, judge gravity center of human body's translational speed, on average shake angle, the gravity centre distribution situation; The crowd is divided into ten colonies according to sex, age, through mass data collection to the crowd, extract meansigma methods as the balance evaluation index, according to the balance evaluation index human body population equilibrium situation and each group posture are tested and assessed respectively, population equilibrium was as the criterion with full marks and marks in 100 minutes, the individual event testing evaluation is outstanding, good, normal, on the weak side, weak five grades, by can clearly seeing the balance of eight test postures after the software scoring, computer is preserved and can be generated printing reports;
Described human body component test cell is based on the bio-electrical impedance analytic process, determine human body component by measuring human body impedance, after human body stands in described test platform, exciting electrode and detecting electrode are divided into four groups, lay respectively at human limb, each hands is held a handle, the forefoot of every foot of human body contacts with a exciting electrode on the test platform respectively, the hind paw of every foot respectively with test platform on the exciting electrode that is contacted detecting electrode contact on the same group, the thumb of each hands of human body contacts with detecting electrode on the handle, and all the other of each hands four refer to contact with exciting electrode on the handle; Selector switch by excitation power supply, any one contacts the exciting electrode electrical connection of exciting electrode and the contact of any one sole on hand with human body respectively to make the excitation power supply two ends, human body parts between selected two exciting electrodes sends driving voltage, by the selector switch between data transmission interface and the detecting electrode, data transmission interface is connected separately with non-selected two exciting electrodes detecting electrode on the same group, described detecting electrode by data transmission interface to the computer output voltage signal, in computer, voltage signal is compared with the voltage between the described measuring resistance, can be obtained the impedance of trunk; Selector switch by excitation power supply again, different with two the respectively exciting electrode in excitation power supply two ends is electrically connected, human body parts between selected two exciting electrodes sends driving voltage, by the selector switch between data transmission interface and the detecting electrode, data transmission interface is connected separately with selected two exciting electrodes detecting electrode on the same group, described detecting electrode by data transmission interface to the computer output voltage signal, in computer, voltage signal is compared with the voltage between the described measuring resistance, by repeatedly selecting exciting electrode and detecting electrode on the same group, in computer, list linear equation at last and calculate, can obtain the bioelectric impedance value of human limb; By selecting different exciting electrodes to cooperate with detecting electrode, can carry out repeated measure to the bioelectric impedance value that the partes corporis humani divides, obtain the exact value of partes corporis humani's decomposing biological electrical impedance, and then obtain the body composition situation.
Described a kind of multi-parameter human body function detection method, it is characterized in that: static equilibrium test posture has eight kinds, is respectively: the biped of opening eyes is stood, closed one's eyes, and biped is stood, left side foot lands and opens eyes stands, left side foot lands and closes one's eyes and stands, right foot lands and opens eyes and stands, right foot lands and closes one's eyes and stands, the linear step opens eyes, the linear step closes one's eyes.
The invention provides a kind of measuring method of bio-electrical impedance, the measuring method of bio-electrical impedance is the improvement of segmentation impedance measurement, and the method by external reference standard resistance directly records the trunk electrical impedance.The present invention adopts eight electrode measurement methods, has four exciting electrodes and four detecting electrodes.Four exciting electrodes refer to contact with the lower limb forefoot with the upper limb four of human body respectively, and four detecting electrodes contact with the lower limb hind paw with the upper limb thumb of human body respectively.
The excitation power supply of bio-electrical impedance measuring method of the present invention fixed frequency of input safety in the loop that a upper limb four fingers, trunk and a lower limb forefoot constitute; External reference standard resistance R of series connection on excitation power supply.; Measure open-circuit voltage V between the detecting electrode of another upper limb thumb, another lower limb hind paw, open-circuit voltage promptly is a trunk voltage; The two ends pressure drop of reference standard resistance R can be surveyed; One upper limb, lower limb are meant left upper extremity or right upper extremity, left lower extremity or right lower extremity, and another upper limb, another lower limb are corresponding with above-mentioned institute, are meant right upper extremity or left upper extremity, right lower extremity or left upper extremity.Bio-electrical impedance measuring method according to the present invention directly draws the trunk resistance value.
Because the relative extremity electrical impedance of trunk electrical impedance is very little, can reduce error by direct measurement.Each occurs corresponding to corresponding exciting electrode in pairs to detecting electrode, and the pressure drop that can record between any two exciting electrodes draws each section of human body resistance.
According to another aspect of the present invention, a kind of multi-parameter human body function detecting device with body composition analysis and height, body weight, balance and one is provided, comprise balanced capacity test cell, body composition test unit, height test cell, handle recording data by computer analysis software.
In the height test cell, expansion link is descending along guide rail, the head position of the descending the pure man of expansion link, and the pressure transducer of interlinking lever end is stressed to be stopped descendingly, oppositely is up to certain altitude and stops, and measures the height parameter.
In the balanced ability of human body test cell, the experimenter stand on the equilibristat, eight static equilibrium test postures by human body, by four force transducers that are distributed on four jiaos of the equilibristats, draw the human body body weight, in conjunction with human body height parameter, obtain the center of gravity of people under different gestures and shake information, pass to computer by data transmission interface and carry out analyzing and processing, judge gravity center of human body's translational speed, on average shake angle, center of gravity seat distribution situation etc., assess by the computer analysis software synthesis, according to evaluation index human body population equilibrium situation and each group posture are tested and assessed respectively, population equilibrium was as the criterion with full marks and marks in 100 minutes, the individual event testing evaluation is outstanding, well, normally, on the weak side, weak five grades, by can clearly seeing the balance of eight test postures after the software scoring, computer is preserved and can be generated printing reports.
The balance evaluation index is according to sex, age the crowd to be divided into ten colonies, through the mass data collection to the crowd, extracts meansigma methods as evaluation index.
Eight static equilibriums test posture is respectively the biped of opening eyes and stands, closes one's eyes that biped is stood, left side foot lands and opens eyes stands, left side foot lands and closes one's eyes and stands, right foot lands and opens eyes and stands, right foot lands and closes one's eyes and stands, the linear step opens eyes, the linear step closes one's eyes.The longest posture set time of static equilibrium testing time is 10s, can obtain required test data in the set time.
Body composition test unit comprises eight test electrodes, lay respectively on test platform and the handle, contact with the human body surface corresponding site by eight contact electrodes, import faint alternating current by exciting electrode to human body, the voltage signal that is detected by detecting electrode is sent to computer by data transmission interface, the overall composition that obtains human body after being handled by software analysis constitutes fat and the muscle content with each sections, and to the height of human body, body weight, muscle weight and fat weight are assessed and are carried out grade classification, and analysis result is preserved and generated printing reports by computer.
Eight contact electrodes comprise four exciting electrodes and four detecting electrodes, and four exciting electrodes refer to contact with the lower limb forefoot with human upper limb four respectively, and four detecting electrodes contact with the lower limb hind paw with the human upper limb thumb respectively.
Exciting electrode and detecting electrode are arranged on test platform and the handle, the bio-electrical impedance of human body, exciting electrode and detecting electrode contact point with the measurement human-body biological electrical impedance of human body lower limbs joint are arranged on the test platform, exciting electrode and detecting electrode contact point that the measurement human-body biological electrical impedance that contacts with human upper limb is arranged on the handle, the every pair of exciting electrode and the right spacing of detecting electrode are constant.
With respect to prior art, the invention has the beneficial effects as follows:
One provides a kind of body composition, height, body weight, the incorporate multi-parameter human body function detecting device of balance among the present invention, can obtain parameters such as human body composition, height, body weight, balance at same test platform; The present invention has specifically comprised balanced capacity test cell, human body component test cell, height test cell, is analyzed by outer computer; The balanced capacity test cell is made up of the force transducer that is distributed in four jiaos in device, accurately records the balance of human body under eight static equilibrium test postures; The human body component test cell places balanced capacity test cell surface, by contact good four couples excitation and detecting electrode with body surface, records the value that bioelectrical signals draws the bio-electrical impedance of corresponding site;
Body composition test of the present invention unit adopts multi-channel measurement, utilizes the measured value of different passages to verify mutually, has good repeatability and repeatability; Data that the present invention surveys are sent to computer by data transmission interface and carry out analysis-by-synthesis, and the final analysis result is preserved and generated printing reports by computer; The present invention analyzes scoring and the whole machine balancing situation is carried out the analysis-by-synthesis scoring static test posture single datum respectively, can know the individual event balance feature that draws human body by the individual event balance, is beneficial to clinical medical research; Provide the suggestion of human nutrition, physical exertion in the time of the fat of human body composition test of the present invention unit human body, moisture, protein, inorganic salt equal size; The present invention is embedded in balanced ability of human body test cell surface with the human body component test cell, and whole floor space is little, cost is low, detection time is short, is convenient to the analysis-by-synthesis of somatic data.
They are two years old, the measuring technique of prior biological electrical impedance, be to contact with human body with detecting electrode by four pairs of exciting electrodes, by human body resistance between the electrode change-over switch measurement electrode, draw each section resistance value by analysis, because the relative extremity resistance value of trunk resistance value is little, is prone to error, has covered the useful information of torso portion.
The present invention uses the method for external reference standard resistance directly to measure trunk resistance, overcome trunk resistance little, easily produce the phenomenon of error; Tradition is used constant-current source or constant pressure source in measuring circuit, and measuring circuit is used the safe excitation power supply of fixed frequency among the present invention; The present invention adopts the measuring resistance of a reference, does not need to measure the exact value of electric current, only just can access the exact value of bio-electrical impedance with the ratio of voltage.
Description of drawings
Fig. 1 is apparatus of the present invention overall schematic.
Fig. 2 is a circuit theory sketch map of the present invention.
Fig. 3 is a human detection sketch map of the present invention.
The specific embodiment
The present invention will be described in detail below in conjunction with accompanying drawing.
Represented apparatus of the present invention overall diagram in Fig. 1, apparatus of the present invention comprise: balanced capacity test cell, human body component test cell, height test cell.The height test cell passes through pressure transducer 10 under step motor drive, along the guide rail 2 descending heights of measuring.Body composition test unit is to record with the extremity electrodes in contact by one group.Balanced capacity test cell on test platform 8 obtains balancing information by one group of test action of human body, is respectively biped stand, close one's eyes biped is stood, left side foot lands and opens eyes stands, left side foot lands and closes one's eyes and stands, right foot lands and opens eyes and stands, right foot lands and closes one's eyes and stands, the linear step opens eyes, the linear step the closes one's eyes eight groups of actions of opening eyes.Four force transducers according to being distributed on four jiaos of the equilibristats obtain the gravity center of human body and shake situation, judge people's degree of balance.
Fig. 2 is a circuit theory sketch map of the present invention, Fig. 2 is made up of body composition test unit 11, height test cell 12, balanced capacity test cell 13, data transmission interface 14, computer 15, wherein body composition test unit 11, height test cell 12, balanced capacity test cell 13 data of gathering are sent to body composition, balanced capacity and height and the body weight that computer 15 carries out drawing after the analyzing and processing human body by data transmission interface 14, are preserved and can be generated printing reports by computer 15.
Fig. 3 is a human detection sketch map of the present invention, and human upper limb four fingers 16,17 and lower limb sole 18,19 apply contact point for excitation, and human upper limb thumb 160,170 and lower limb heel 180,190 are the voltage detecting point.
Embodiment 1
The experimenter at first by age, the sex of computer 15 to system's input oneself, as the essential information of whole system analysis, and sets up the personal health archives.Power-on, the experimenter stand on the test platform 8 barefoot, and expansion link 1 is descending along guide rail 2, and the pressure transducer 10 on being fixed on expansion link 1 contacts when stressed out of service with the crown, measure the height parameter.
The experimenter stand on the test platform 8, and after the computer testing program was ready, the experimenter kept that double-legged forefoot contacts with 6b with 6a respectively, rear heel contacts with 7b with 7a respectively, and the force transducer of test platform inside records the body weight parameter; The experimenter open eyes respectively biped stand 10s, the biped of closing one's eyes stand 10s, left side foot land and open eyes stand 10s, left side foot land and close one's eyes stand 10s, right foot land and open eyes stand 10s, right foot lands and close one's eyes the 10s that stands; The experimenter stands on i.e. 6 and 7 centres, firm banking 8 centers, keeps 10s, the linear step 10s that closes one's eyes that opens eyes of linear step respectively.Be 10s the longest stabilization time of testing time, if the not enough 10s of experimenter leaves the data acquisition that test platform also can be finished corresponding actions.Place in the test platform four of balanced capacity test and appraisal unit by using independently force transducer the people is in power under each group test posture distributes and measure, draw each group action limbs center of gravity translational speed, on average shake situations such as angle, the distribution of center of gravity seat, reach computer 15 and draw the center of gravity motion track, judge experimenter's balance ability according to this curve, and the survey data are analyzed by computer, each group data is tested and assessed, finally preserve and generate printing reports by computer 15.
The forefoot of experimenter's bipod contacts with 6b with lower limb exciting electrode point 6a respectively simultaneously, and rear heel contacts with 7b with lower limb voltage detecting point 7a respectively.Experimenter's both hands are held handle 4 simultaneously, and the both hands thumb contacts with 3b with upper limb voltage detecting point 3a respectively, and both hands four refer to contact with 5b with upper limb exciting electrode point 5a.After adding the safe excitation power supply of fixed frequency, voltage detecting electrode 3,7 obtains the detection data.Record data by different sense channels, draw the value of human body component and preserve and generate printing reports by computer 15 through computer analysis.
The experimenter stand in test platform can obtain body composition analysis, height, body weight, the integrated measurement of balance in 8 last short time, whole process required time is short, be beneficial to the integration of data, be convenient to the analysis-by-synthesis of human body information, can formulate special training scheme and rehabilitation medical suggestion according to testing result, and whole plant area area is little, and is with low cost.
Implementing the 1st measures
The experimenter stand on the test platform 8, and power-on is elected exciting electrode as electrode 16 and electrode 19, and detecting electrode is elected electrode 170 and electrode 180 as, measures trunk resistance.
Implementing the 2nd measures
The experimenter stand in and surveys on the firm banking 8, and power-on is elected exciting electrode as electrode 17 and electrode 18, and detecting electrode is elected electrode 160 and electrode 190 as, measures trunk resistance under identical electric current.
The 1st mensuration and the 2nd is measured the magnitude of voltage that obtains compare, but repeatability and effectiveness that validation instrument is measured.
Claims (4)
1. multi-parameter human body function detecting device, it is characterized in that: comprise the balanced capacity test cell, human body component test cell, the height test cell that become one, and the power supply of giving each unit power supply, the data that each unit records transfer to outer computer analysis by data transmission interface;
Described balanced capacity test cell comprises equilibristat, equilibristat comprises test platform, equilibristat inside is provided with the force transducer that is distributed in corner location in the described test platform, human body stand on the described test platform, change by described force transducer induction body state, record data by data transmission interface output;
Described human body component test cell comprises excitation power supply, output line, four exciting electrodes and four detecting electrodes, after wherein two exciting electrodes and two detecting electrodes are paired into two groups, be separately positioned on the test platform surface of described equilibristat, contact with human body lower limbs, after two other exciting electrode and two detecting electrodes are paired into two groups, contact with human upper limb respectively, be in series with the measuring resistance that voltage can be surveyed on the described excitation power supply, described excitation power supply is introduced described power source voltage, and voltage step-down behaved after the safe voltage that body can bear, be electrically connected with any two different exciting electrodes, constitute the loop and to the human body output drive signal of telecommunication by exciting electrode and human body, two detecting electrodes that cooperate with selected exciting electrode are exported voltage signal between the detecting electrode by digital transmission interface;
Described height test cell includes guide rail, described guide rail vertically is installed in described equilibristat sidepiece, connect as one with equilibristat, be provided with expansion link in the guide rail, described expansion link is by step motor drive, in guide rail, slide up and down, described expansion link top is connected with the connecting rod of level, described connecting rod front end is equipped with pressure transducer, human body stand on the described test platform, described expansion link drives pressure transducer and moves up and down, and the pressure transducer contact human body crown is also stressed out of service, by motor operation step number and range ability testing human height parameter of per step of motor.
2. a kind of multi-parameter human body function detecting device according to claim 1, it is characterized in that: described human body component test cell also comprises two handles, be respectively arranged with an exciting electrode and a detecting electrode of being paired on the same group on each handle, also be connected with selector switch between described excitation power supply and the described exciting electrode, described excitation power supply selects the exciting electrode different with two to be electrically connected respectively by selector switch, and constitute the loop with to the human body output drive signal of telecommunication with human body, described data transmission interface is connected with selector switch, voltage signal between the detecting electrode that obtains cooperating by selector switch with selected exciting electrode, and by the data transmission interface output voltage signal.
3. multi-parameter human body function detection method, it is characterized in that: human body stands on the test platform of equilibristat, by balanced capacity test cell, human body component test cell, height test cell, each function parameter of testing human respectively;
Described height test cell testing human height parameter, the step motor drive expansion link along guide rail to lower slider, when pressure transducer contact human body head, pressure transducer is stressed, expansion link stops gliding, signal transfers to outside computer by data transmission interface, carry out analyzing and processing by the computer of outside by the distance of step number that motor is moved and every moved further after, calculate human body height parameter;
Described balanced capacity test cell testing human balanced capacity parameter, after human body stands in described test platform, keep a plurality of static equilibrium test postures respectively, when keeping each static equilibrium test posture, four force transducers that are distributed in four jiaos of equilibristats obtain the body weight signal of human body, and by data transmission interface signal is transferred to outside computer and carry out analyzing and processing, in conjunction with human body height parameter, obtain the center of gravity of human body under different static equilibrium test postures and shake information, in computer, carry out comprehensive assessment, judge gravity center of human body's translational speed, on average shake angle, the gravity centre distribution situation; The crowd is divided into ten colonies according to sex, age, through mass data collection to the crowd, extract meansigma methods as the balance evaluation index, according to the balance evaluation index human body population equilibrium situation and each group posture are tested and assessed respectively, population equilibrium was as the criterion with full marks and marks in 100 minutes, the individual event testing evaluation is outstanding, good, normal, on the weak side, weak five grades, and by clearly seeing the balance of eight test postures after the software scoring, computer is preserved and can be generated printing reports;
Described human body component test cell is based on the bio-electrical impedance analytic process, determine human body component by measuring human body impedance, after human body stands in described test platform, exciting electrode and detecting electrode are divided into four groups, lay respectively at human limb, each hands is held a handle, the forefoot of every foot of human body contacts with a exciting electrode on the test platform respectively, the hind paw of every foot respectively with test platform on the exciting electrode that is contacted detecting electrode contact on the same group, the thumb of each hands of human body contacts with detecting electrode on the handle, and all the other of each hands four refer to contact with exciting electrode on the handle; Selector switch by excitation power supply, any one contacts the exciting electrode electrical connection of exciting electrode and the contact of any one sole on hand with human body respectively to make the excitation power supply two ends, human body parts between selected two exciting electrodes sends driving voltage, by the selector switch between data transmission interface and the detecting electrode, data transmission interface is connected separately with non-selected two exciting electrodes detecting electrode on the same group, described detecting electrode by data transmission interface to the computer output voltage signal, in computer, voltage signal is compared with the voltage between the measuring resistance, directly obtained the impedance of trunk; Selector switch by excitation power supply again, different with two the respectively exciting electrode in excitation power supply two ends is electrically connected, human body parts between selected two exciting electrodes sends driving voltage, by the selector switch between data transmission interface and the detecting electrode, data transmission interface is connected separately with selected two exciting electrodes detecting electrode on the same group, described detecting electrode by data transmission interface to the computer output voltage signal, in computer, voltage signal is compared with the voltage between the measuring resistance, by repeatedly selecting exciting electrode and detecting electrode on the same group, in computer, list linear equation at last and calculate, obtain the bioelectric impedance value of human limb; By selecting different exciting electrodes to cooperate with detecting electrode, the bioelectric impedance value that the partes corporis humani is divided carries out repeated measure, obtains the exact value of partes corporis humani's decomposing biological electrical impedance, and then obtains the body composition situation.
4. a kind of multi-parameter human body function detection method according to claim 3, it is characterized in that: static equilibrium test posture has eight kinds, is respectively: the biped of opening eyes is stood, closed one's eyes, and biped is stood, left side foot lands and opens eyes stands, left side foot lands and closes one's eyes and stands, right foot lands and opens eyes and stands, right foot lands and closes one's eyes and stands, the linear step opens eyes, the linear step closes one's eyes.
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2009
- 2009-11-06 CN CN2009101853710A patent/CN101697870B/en not_active Expired - Fee Related
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| CN107361771A (en) * | 2017-06-19 | 2017-11-21 | 深圳市思维树科技有限公司 | A kind of system for measuring height |
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