CN107951472A - Heart impact signal measuring device, method and thing to sit on - Google Patents
Heart impact signal measuring device, method and thing to sit on Download PDFInfo
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- CN107951472A CN107951472A CN201711306860.8A CN201711306860A CN107951472A CN 107951472 A CN107951472 A CN 107951472A CN 201711306860 A CN201711306860 A CN 201711306860A CN 107951472 A CN107951472 A CN 107951472A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
- A61B5/6891—Furniture
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
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Abstract
This application discloses a kind of heart impact signal measuring device, method and thing to sit on, belong to medical fields of measurement.Described device includes：For measuring the measuring circuit of human body first position measurement BCG signals, the compensation circuit for measuring human body second position compensation BCG signals and for the controller of effective BCG signals will to be obtained after measurement BCG signals and compensation BCG signal fuseds.The application obtains effective BCG signals after measuring BCG signals and compensation BCG signal fuseds by controller, according to effective BCG signal generations BCG oscillograms, since measurement BCG signals have the signal segment of sharp-decay, the amplitude for compensating BCG signals is weaker, the signal segment of the corresponding sharp-decay of measurement BCG signals is compensated by compensating BCG signals, solve the problems, such as only to measure inaccuracy caused by the BCG signal generation BCG oscillograms at a position by measuring, improve the accuracy of BCG signal measurements.
Description
Technical field
This application involves medical fields of measurement, more particularly to a kind of heart impact signal measuring device, method and thing to sit on.
Background technology
Heart impact scanning (Ballistocardiography, BCG) technology is a kind of non-intrusion type, by obtaining the heart
The medical technology of dirty impact signal generation oscillogram detection health index, the BCG measuring devices based on BCG technologies are usually tied
Structure is simple, small volume, and operates facility, is welcome, has been more and more widely used be subject to ordinary consumer.
When heart is beaten every time, can all there is blood to be injected into blood vessel from heart, which can produce human body
Extremely trickle active force, the active force are referred to as heart impact forces.In correlation technique, BCG signal measurement devices are usual
Including measuring circuit and controller, the sensor in measuring circuit is close to a certain position of human body, for gathering site heart punching
The original BCG signals of active force generation are hit, original BCG signals obtain BCG signals after processing, and controller is given birth to according to BCG signals
Into BCG oscillograms.
Find in actual use, the measurement result for the BCG signals that the above method measures is inaccurate.
The content of the invention
The embodiment of the present application provides a kind of heart impact signal measuring device, method and thing to sit on, can solve related skill
The problem of measurement result of the BCG signals of art is inaccurate.The technical solution is as follows：
First aspect, there is provided a kind of BCG signal measurement apparatus, described device include：
Measuring circuit, for gathering the measurement BCG signals of first position more than human body waist, and by the measurement BCG
Signal transmission is to controller；
Compensation circuit, for gathering the compensation BCG signals of the second position below human body waist, and by the compensation BCG
Signal transmission is to the controller；
The controller, for effective BCG letters will to be obtained after the measurement BCG signals and the compensation BCG signal fuseds
Number, according to BCG signal waveforms described in the effectively BCG signal generations.
In an optional embodiment, first measuring circuit includes first sensor and first processing units；
Second measuring circuit includes second sensor and second processing unit；
The first sensor, for gathering the original measurement BCG signals of the first position, and by the original measurement
BCG signal transmissions are to the first processing units；
The first processing units, for obtaining level-one after the original measurement BCG signals are carried out an enhanced processing
The raw measured signal of amplification；The raw measured signal that the level-one is amplified is filtered, is obtained original after coagulation
Measuring signal；After raw measured signal after the coagulation is carried out secondary enhanced processing, the measurement BCG letters are obtained
Number；
The second sensor, for gathering the raw compensation BCG signals of the second position, and by the raw compensation
BCG signal transmissions are to the second processing unit；
The second processing unit, for obtaining level-one after the raw compensation BCG signals are carried out an enhanced processing
The raw compensation signal of amplification；The raw compensation signal that the level-one is amplified is filtered, is obtained original after coagulation
Thermal compensation signal；After raw compensation signal after the coagulation is carried out secondary enhanced processing, the compensation BCG letters are obtained
Number.
In an optional embodiment,
The controller, is additionally operable to：
Using the sampled point of amplitude maximum in the compensation BCG signals as the first reference sample point；Believe in the measurement BCG
The second reference sample point is obtained in number, at the time of the second reference sample point corresponds to after sampled point amplitude no more than
The amplitude of the first reference sample point；As referring to the moment at the time of the second reference sample point is corresponded to；From the survey
Measure and the first BCG subsignals are obtained in BCG signals, the first BCG subsignals are to be located at the reference in the measurement BCG signals
Signal before moment；The 2nd BCG subsignals are obtained from the compensation BCG signals, the 2nd BCG subsignals are the benefits
Repay and be located at the signal with reference to after the moment in BCG signals；By the first BCG subsignals and the 2nd BCG subsignals
After splicing, the effectively BCG signals are obtained.
In an optional embodiment,
The controller, is additionally operable to：
The stem of the afterbody of the first BCG subsignals and the 2nd BCG subsignals is spliced, obtains splicing letter
Number；Sampled point in the splicing signal is divided into N group sampled points, i+1 group sampled point is i-th group in the N groups sampled point
Sampled point closest to sampled point, 1≤i≤N-1；Using the middle groups sampled point in the N groups sampled point as effective BCG
Signal.
In an optional embodiment,
The controller, is additionally operable to：
K sampled point is randomly selected out from the sampled point of the splicing signal, as the 1st group of sampled point；From the spelling
Connect and remaining sampled point after the 1st group of sampled point is removed in the sampled point of signal, obtain with each being sampled in the 1st group of sampled point
Point closest to groups of samples into the 2nd group of sampled point；Each sampled point in i-th group of sampled point is obtained from the i-th remaining sampled point
Closest to groups of samples into the i+1 group sampled point, wherein, the i-th remaining sampled point is adopting for the splicing signal
In sampling point remove the 1st group of sampled point to i-th group of sampled point after remaining sampled point, the initial value 2 of i；Previous step is repeated, until
Sampled point in the splicing signal is divided into N group sampled points.
In an optional embodiment,
The controller, is additionally operable to：
For j-th of sampled point in i-th group of sampled point, by each sampled point in the described i-th remaining sampled point
Ask poor with the amplitude of described j-th sampling, using the sampled point of difference minimum as j-th of sampled point closest to sampling
Point；Using in i-th group of sampled point each sampled point closest to sampled point as the i+1 group sampled point.
In an optional embodiment,
If N is even number, using N/2 groups sampled point or N/2+1 groups sampled point as the middle groups sampled point；If N
For odd number, then using N/2+1 groups sampled point as the middle groups sampled point.
Second aspect, there is provided a kind of BCG signal measurements method, the described method includes：
Gather the measurement BCG signals of first position more than human body waist；
Gather the compensation BCG signals of the second position below human body waist；
After the measurement BCG signals and the compensation BCG signal fuseds, effective BCG signals are obtained；
According to BCG oscillograms described in the effectively BCG signal generations.
It is described by after the measurement BCG signals and the compensation BCG signal fuseds in an optional embodiment, obtain
Effective BCG signals are obtained, including：
Using the sampled point of amplitude maximum in the compensation BCG signals as the first reference sample point；
The second reference sample point is obtained in the measurement BCG signals, at the time of the second reference sample point corresponds to it
Amplitude of the amplitude of sampled point afterwards no more than the first reference sample point；
As referring to the moment at the time of the second reference sample point is corresponded to；
The first BCG subsignals are obtained from the measurement BCG signals, the first BCG subsignals are the measurement BCG letters
It is located at the signal with reference to before the moment in number；
The 2nd BCG subsignals are obtained from the compensation BCG signals, the 2nd BCG subsignals are the compensation BCG letters
It is located at the signal with reference to after the moment in number；
After the first BCG subsignals and the 2nd BCG subsignals splicing, the effectively BCG signals are obtained.
It is described by after the first BCG subsignals and the 2nd BCG subsignals splicing in an optional embodiment
Obtaining the effectively BCG signals includes：
The stem of the afterbody of the first BCG subsignals and the 2nd BCG subsignals is spliced, obtains splicing letter
Number；
Sampled point in the splicing signal is divided into N group sampled points, i+1 group sampled point is in the N groups sampled point
I-th group of sampled point closest to sampled point, 1≤i≤N-1；
Using the middle groups sampled point in the N groups sampled point as the effectively BCG signals.
In an optional embodiment, the sampled point by the splicing signal is divided into N group sampled points and includes：
K sampled point is randomly selected out from the sampled point of the splicing signal, as the 1st group of sampled point；
Remaining sampled point after the 1st group of sampled point is removed from the sampled point of the splicing signal, is obtained and the 1st group
Each sampled point closest to groups of samples into the 2nd group of sampled point in sampled point；
Obtained from the i-th remaining sampled point each sampled point in i-th group of sampled point closest to groups of samples into described i-th
+ 1 group sampled point, wherein, the described i-th remaining sampled point is that the 1st group of sampled point is removed in the sampled point of the splicing signal to i-th
Remaining sampled point after group sampled point, the initial value 2 of i；
Previous step is repeated, until the sampled point in the splicing signal is divided into N group sampled points.
It is described to obtain each sampled point in i-th group of sampled point from the i-th remaining sampled point in an optional embodiment
Include closest to groups of samples into i+1 group sampled point：
For j-th of sampled point in i-th group of sampled point, by each sampled point in the described i-th remaining sampled point
Ask poor with the amplitude of described j-th sampling, using the sampled point of difference minimum as j-th of sampled point closest to sampling
Point；
Using in i-th group of sampled point each sampled point closest to sampled point as the i+1 group sampled point.
In an optional embodiment, the middle groups sampled point using in the N groups sampled point is as described effective
BCG signals include：
If N is even number, using N/2 groups sampled point or N/2+1 groups sampled point as the middle groups sampled point；If N
For odd number, then using N/2+1 groups sampled point as the middle groups sampled point.
The third aspect, there is provided a kind of BCG measures thing to sit on, and the thing to sit on includes sitting face and backrest, it is characterised in that described
Thing to sit on includes：
The measuring circuit for leaning on back is arranged at, for gathering the measurement BCG signals of human body back, and by the measurement
BCG signal transmissions are to controller；
The compensation circuit being arranged in the sitting face, for gathering the compensation BCG signals of human buttock, and by the compensation
BCG signal transmissions are to the controller；
The controller, for effective BCG letters will to be obtained after the measurement BCG signals and the compensation BCG signal fuseds
Number, according to BCG signal waveforms described in the effectively BCG signal generations.
In an optional embodiment, first measuring circuit includes first sensor and first processing units；
Second measuring circuit includes second sensor and second processing unit；
The first sensor, for gathering the original measurement BCG signals of the first position, and by the original measurement
BCG signal transmissions are to the first processing units；
The first processing units, for obtaining level-one after the original measurement BCG signals are carried out an enhanced processing
The raw measured signal of amplification；The raw measured signal that the level-one is amplified is filtered, is obtained original after coagulation
Measuring signal；After raw measured signal after the coagulation is carried out secondary enhanced processing, the measurement BCG letters are obtained
Number；
The second sensor, for gathering the raw compensation BCG signals of the second position, and by the raw compensation
BCG signal transmissions are to the second processing unit；
The second processing unit, for obtaining level-one after the raw compensation BCG signals are carried out an enhanced processing
The raw compensation signal of amplification；The raw compensation signal that the level-one is amplified is filtered, is obtained original after coagulation
Thermal compensation signal；After raw compensation signal after the coagulation is carried out secondary enhanced processing, the compensation BCG letters are obtained
Number.
In an optional embodiment,
The controller, is additionally operable to：
Using the sampled point of amplitude maximum in the compensation BCG signals as the first reference sample point；Believe in the measurement BCG
The second reference sample point is obtained in number, at the time of the second reference sample point corresponds to after sampled point amplitude no more than
The amplitude of the first reference sample point；As referring to the moment at the time of the second reference sample point is corresponded to；From the survey
Measure and the first BCG subsignals are obtained in BCG signals, the first BCG subsignals are to be located at the reference in the measurement BCG signals
Signal before moment；The 2nd BCG subsignals are obtained from the compensation BCG signals, the 2nd BCG subsignals are the benefits
Repay and be located at the signal with reference to after the moment in BCG signals；By the first BCG subsignals and the 2nd BCG subsignals
After splicing, the effectively BCG signals are obtained.
In an optional embodiment,
The controller, is additionally operable to：
The stem of the afterbody of the first BCG subsignals and the 2nd BCG subsignals is spliced, obtains splicing letter
Number；Sampled point in the splicing signal is divided into N group sampled points, i+1 group sampled point is i-th group in the N groups sampled point
Sampled point closest to sampled point, 1≤i≤N-1；Using the middle groups sampled point in the N groups sampled point as effective BCG
Signal.
In an optional embodiment,
The controller, is additionally operable to：
K sampled point is randomly selected out from the sampled point of the splicing signal, as the 1st group of sampled point；From the spelling
Connect and remaining sampled point after the 1st group of sampled point is removed in the sampled point of signal, obtain with each being sampled in the 1st group of sampled point
Point closest to groups of samples into the 2nd group of sampled point；Each sampled point in i-th group of sampled point is obtained from the i-th remaining sampled point
Closest to groups of samples into the i+1 group sampled point, wherein, the i-th remaining sampled point is adopting for the splicing signal
In sampling point remove the 1st group of sampled point to i-th group of sampled point after remaining sampled point, the initial value 2 of i；Previous step is repeated, until
Sampled point in the splicing signal is divided into N group sampled points.
In an optional embodiment,
The controller, is additionally operable to：
For j-th of sampled point in i-th group of sampled point, by each sampled point in the described i-th remaining sampled point
Ask poor with the amplitude of described j-th sampling, using the sampled point of difference minimum as j-th of sampled point closest to sampling
Point；Using in i-th group of sampled point each sampled point closest to sampled point as the i+1 group sampled point.
In an optional embodiment,
If N is even number, using N/2 groups sampled point or N/2+1 groups sampled point as the middle groups sampled point；If N
For odd number, then using N/2+1 groups sampled point as the middle groups sampled point.
The beneficial effect that technical solution provided by the embodiments of the present application is brought is：
The measurement BCG signals of first position more than human body waist, compensation circuit collection human body are gathered by measuring circuit
The compensation BCG signals of second position below waist, controller are had after measuring BCG signals and compensation BCG signal fuseds
BCG signals are imitated, according to effective BCG signal generations BCG oscillograms, since measurement BCG signals have the signal segment of sharp-decay, are mended
Repay that the amplitude of BCG signals is weaker, the signal segment of the corresponding sharp-decay of measurement BCG signals is mended by compensating BCG signals
Repay, solve the problems, such as only to measure inaccuracy caused by the BCG signal generation BCG oscillograms at a position by measuring, carry
The high accuracy of BCG signal measurements.
Brief description of the drawings
In order to illustrate more clearly of the technical solution in the embodiment of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application, for
For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the block diagram for the BCG measuring devices that one exemplary embodiment of the application provides；
Fig. 2 is the measurement BCG signal graphs that one exemplary embodiment of the application provides；
Fig. 3 is the compensation BCG signal graphs that one exemplary embodiment of the application provides；
Fig. 4 is the block diagram for the measuring circuit that one exemplary embodiment of the application provides；
Fig. 5 is the block diagram for the BCG measurement things to sit on that one exemplary embodiment of the application provides；
Fig. 6 is the method flow diagram for the BCG measuring methods that one exemplary embodiment of the application provides；
Fig. 7 is the method flow diagram of the BCG measuring methods of the application another exemplary embodiment offer；
Fig. 8 is the method flow diagram of the BCG measuring methods of the application another exemplary embodiment offer；
Fig. 9 is the method flow diagram of the BCG measuring methods of the application another exemplary embodiment offer.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with attached drawing to the application embodiment party
Formula is described in further detail.
Please refer to Fig.1, the block diagram of the BCG measuring devices provided it illustrates one exemplary embodiment of the application, such as schemes
Shown, which includes measuring circuit 110, compensation circuit 120, controller 130, display unit 140 and power supply unit 150,
Wherein, measuring circuit 110 and controller 130, which are established, is electrically connected, and compensation circuit 120 and controller 130 are established and be electrically connected, its
In, display unit 140 and power supply unit 150 are optional component.
Measuring circuit 110, for gathering the measurement BCG signals of first position more than human body waist, and will measurement BCG letters
Number it is transmitted to controller 130.
Measuring circuit 110 can be arranged at the first position more than human body waist, and collection is positioned at first position
Original measurement BCG signals, by generation measurement BCG signals after original measurement BCG signal processings, and will measure BCG signal transmissions extremely
Controller 130.
Fig. 2 shows the oscillogram of measurement BCG signals, as shown in Fig. 2, positioned at human body waist with the measurement BCG of upper bit
Signal is higher in the amplitude of starting stage, after the relatively strong signal of starting stage, signal attenuation it is very severe.Pass through technology
The measuring and calculating of personnel, relatively strong signal of the measurement BCG signals in the starting stage is relatively more accurate signal.
Optionally, measuring circuit 110 is arranged near heart, such as chest or back, to the position near heart
Put collection original measurement BCG signals.
Compensation circuit 120, for gathering the compensation BCG signals of the second position below human body waist, and will compensation BCG letters
Number it is transmitted to controller 130.
Second position of the compensation circuit 120 below human body waist, such as thigh or buttocks, collection are located at second position
Raw compensation BCG signals, will after raw compensation BCG signal processings generation compensation BCG signals, and by BCG signal transmissions to control
Device 130 processed.
Fig. 3 shows the oscillogram of compensation BCG signals, as shown in the figure, being believed positioned at human body waist with the compensation BCG of lower portion
Number amplitude in the starting stage, the moment is all more stable to the end.
Controller 130, for effective BCG signals will to be obtained, according to having after measurement BCG signals and compensation BCG signal fuseds
Imitate BCG signal generation BCG oscillograms.
As shown in Figures 2 and 3, since signal of the measurement BCG signals in the initial magnitude higher stage is more effective
Signal, compensation BCG signals are relatively stable signals, therefore can to obtain amplitude in measurement BCG signals stronger for controller 130
Signal, the big signal of attenuation strength is given up, and according to the signal the given up corresponding period, phase is obtained in BCG signals are compensated
Signal with the period as compensation, will measurement BCG signals and compensation BCG signal fuseds, effective BCG signals are obtained, according to having
Effect BCG signal generation BCG oscillograms simultaneously export.
Display unit 140, the BCG oscillograms exported for display controller 130.
Power supply unit 150, for measuring circuit 110, compensation circuit 120, controller 130 and other optional components
Power supply is provided.Power supply unit 150 can be power supply interface, be powered by the mobile power supply unit such as battery, mobile power, or pass through
Power cord, plug and socket and power grid or generating equipment, which connect, obtains power supply；Power supply unit 150 can also be power cord and insert
Head, is connected with power grid or generating equipment by socket and obtains power supply.
Further, controller 130 includes arithmetic element 131 and storage unit 132：
Storage unit 132, is deposited for preserving measurement BCG signals, compensation BCG signals, effective BCG signals and other needs
The data of storage.
Arithmetic element 131, for it will measure BCG signals and compensation BCG signal fuseds after, obtains effective BCG signals；And root
According to effective BCG signal generations BCG oscillograms.
Optionally, controller 130 further includes AD conversion unit 133, for BCG oscillograms to be converted to digital signal,
Generate BCG square wave figures.In conclusion in the embodiment of the present application, first position more than human body waist is gathered by measuring circuit
Measurement BCG signals, the compensation BCG signals of the second position below compensation circuit collection human body waist, controller will measure BCG
Effective BCG signals are obtained after signal and compensation BCG signal fuseds, according to effective BCG signal generations BCG oscillograms, due to measurement
BCG signals have the signal segment of sharp-decay, and the amplitude of compensation BCG signals is weaker, by compensating BCG signals to measurement BCG letters
The signal segment of number corresponding sharp-decay compensates, and solves the BCG signal generation BCG waveforms only by measuring a position
The problem of measurement is inaccurate caused by figure, improves the accuracy of BCG signal measurements.
Please refer to Fig.4, the block diagram of the measuring circuit provided it illustrates one exemplary embodiment of the application, measurement electricity
Road is applied in BCG measuring devices as shown in Figure 1.As shown in the figure, measuring circuit 110 includes first sensor 111 and first
Processing unit 112, first sensor 111 and first processing units 112, which are established, to be electrically connected.
First sensor 111, for gathering original measurement BCG signals, and by original measurement BCG signal transmissions to handling list
Member 112.
First position of the first sensor 111 more than human body waist, original measurement BCG of the collection positioned at first position
Signal and by original measurement BCG signal transmissions to processing unit 112.
Optionally, first sensor 111 is near heart, such as chest or back, to the station acquisition near heart
Original measurement BCG signals.
Optionally, first sensor 111 is acceleration transducer.Acceleration transducer is impacted according to the heart of first position
Active force produces small signal, which is original measurement BCG signals, and acceleration transducer is by the original measurement of generation
BCG signal transmissions are to processing unit 112.
First processing units 112, including the first amplifier 1121,1122 and second amplifier 1123 of wave filter, wherein,
First amplifier 1121 and wave filter 1122, which are established, to be electrically connected, and 1122 and second amplifier 1123 of wave filter, which is established, electrically to be connected
Connect.
Since original measurement BCG signals are very faint, while there is much noise, it is therefore desirable to which original BCG signals are put
Big and filtering process, but since original measurement BCG signals are excessively faint, do not pass through enhanced processing None- identified noise and
Signal, it is therefore desirable to first time enhanced processing is carried out to original measurement BCG signals by the first amplifier 1121, level-one is obtained and puts
After big original measuring signal, then it is filtered by the raw measured signal that wave filter 1122 amplify level-one, acquisition level-one
Raw measured signal after processing, since the raw measured signal after coagulation is still very faint, it is therefore desirable to the second amplification
Device 1122 carries out secondary amplification to the raw measured signal after coagulation, obtains measurement BCG signals, and will measure BCG signals
It is transmitted to controller 130.
It should be noted that in the present embodiment, including at least two amplifiers and a wave filter, by by original measurement
BCG signals once filter by once amplifying, process can be repeated the above again to original measurement BCG after amplifying again
Signal is handled, but the multiple processing to signal can cause the distortion of signal, it is necessary to according to actual requirement to original measurement
BCG signals are handled.
In the present embodiment, the structure and measuring circuit 110 of compensation circuit are identical, which is applied to as shown in Figure 1
BCG measuring devices in, including second sensor and second processing unit, second processing unit include at least two amplifiers and
One wave filter, raw compensation BCG signals are compensated BCG signals by once amplifying, once filtering after filtering again.Together
Sample, raw compensation BCG signals can also be based on by repeatedly amplifying, filtering, enhanced processing obtains compensation BCG signals again
The reason for identical, the multiple processing to signal can cause the distortion of signal, it is necessary to according to actual requirement to raw compensation BCG signals
Handled.
Optionally, second sensor is acceleration transducer.Acceleration transducer is impacted according to the heart of the second place to be made
Small signal is firmly produced, which is raw compensation BCG signals, and acceleration transducer is by the raw compensation BCG of generation
Signal transmission is to processing unit 112.
In conclusion in the embodiment of the present application, by the way that the original measurement BCG signals of human body waist above first position are passed through
Cross once amplify, filter, generation measurement BCG signals after secondary enhanced processing, solve original measurement BCG signal amplitudes it is relatively low and
The problem of noise is more, further increases the accuracy of BCG measurements.
Likewise, in the embodiment of the present application, by the way that the raw compensation BCG signals of the following second position of human body waist are passed through
Once amplify, filter, generation compensation BCG signals after secondary enhanced processing, it is relatively low and make an uproar to solve raw compensation BCG signal amplitudes
The problem of sound is more, further increases the accuracy of BCG measurements.
Fig. 5 is refer to, the block diagram of the BCG measurement things to sit on provided it illustrates one exemplary embodiment of the application, such as schemes
Shown, which includes measuring circuit 110, compensation circuit 120, controller 130, backrest 510, sitting face 520 and power supply unit,
Wherein measuring circuit 110 and controller 130, which are established, is electrically connected, and compensation circuit 120 and controller 130 are established and be electrically connected.
Measuring circuit 110 is arranged on backrest 520, for gathering the measurement BCG signals of human body back, and will measure BCG
Signal transmission is to controller 130.
When user is sitting on the BCG things to sit on, and it will lean against when on backrest 520, the measuring circuit 110 close to back is adopted
Collection is located at the original measurement BCG signals of the first position at back, generation will measure BCG signals after original measurement BCG signal processings,
And BCG signal transmissions will be measured to controller 130.
Compensation circuit 120 is arranged in sitting face 510, for gathering the compensation BCG signals of human buttock, and will compensate BCG
Signal transmission is to controller 130.
When user is sitting in the sitting face 520 of the BCG things to sit on, the collection of compensation circuit 120 close to buttocks is positioned at buttocks
The raw compensation BCG signals of second position, by generation compensation BCG signals after raw compensation BCG signal processings, and will compensate BCG
Signal transmission is to controller 130.
Controller 130, for effective BCG signals will to be obtained after measurement BCG signals and compensation BCG signal fuseds, according to having
Imitate BCG signal generation BCG signal waveforms.
As shown in Figures 2 and 3, since signal of the measurement BCG signals in the initial magnitude higher stage is more effective
Signal, compensation BCG signals are relatively stable signals, therefore can to obtain amplitude in measurement BCG signals stronger for controller 130
Signal, the big signal of attenuation strength is given up, and according to the signal the given up corresponding period, phase is obtained in BCG signals are compensated
Signal with the period as compensation, will measurement BCG signals and compensation BCG signal fuseds, effective BCG signals are obtained, according to having
Effect BCG signal generation BCG oscillograms simultaneously export.
Further, controller 130 includes arithmetic element and storage unit：
Storage unit, for preserve measurement BCG signals, compensation BCG signals, effective BCG signals and other need to store
Data.
Arithmetic element, for it will measure BCG signals and compensation BCG signal fuseds after, obtains effective BCG signals；And according to
Effective BCG signal generation BCG oscillograms.
Optionally, controller 130 further includes AD conversion unit, for BCG oscillograms to be converted to digital signal, generation
BCG square wave figures.
Power supply unit, for being carried to measuring circuit 110, compensation circuit 120, controller 130 and other optional components
Power supply source.Power supply unit can be power supply interface, be powered by the mobile power supply unit such as battery, mobile power, or pass through power supply
Line, plug and socket and power grid or generating equipment, which connect, obtains power supply；Power supply unit can also be power cord and plug, by inserting
Seat is connected with power grid or generating equipment obtains power supply.
Optionally, BCG measures thing to sit on and further includes display unit, the BCG oscillograms exported for display controller 130.
Optionally, BCG measures thing to sit on and further includes head supporting pad 530, improves the comfort level that user uses the thing to sit on.
Optionally, BCG measures thing to sit on and further includes control button 540, and the thing to sit on is controlled easy to user.
Optionally, BCG measure measuring circuit 110 and compensation circuit 120 in thing to sit on be measuring circuit in Fig. 4 embodiments and
Compensation circuit.
Optionally, BCG measures thing to sit on and further includes positioned at the pressure measurement circuitry being arranged in sitting face 510, the pressure measurement
Circuit includes pressure sensor and processing unit.
When user is sitting in the sitting face 520 of the BCG things to sit on, close to pressure sensor collection being somebody's turn to do positioned at buttocks of buttocks
The blood pressure signal of user, by blood pressure signal of the blood pressure signal after processing unit processes after generation processing, and by the blood after processing
Signal transmission is pressed to controller 130.
In conclusion in the embodiment of the present application, BCG measures the first position that thing to sit on gathers human body back by measuring circuit
Measurement BCG signals, compensation circuit collection human buttock second position compensation BCG signals, controller will measure BCG signals
Effective BCG signals are obtained with after compensation BCG signal fuseds, according to effective BCG signal generations BCG oscillograms, due to measurement BCG letters
Number have sharp-decay signal segment, compensate BCG signals amplitude it is weaker, by compensate BCG signals to measurement BCG signals correspond to
The signal segment of sharp-decay compensate, solve the BCG signal generation BCG oscillograms institute band only by measuring a position
The problem of measurement come is inaccurate, improves the accuracy of BCG signal measurements.
Further, in the embodiment of the present application, measuring circuit is by by the original measurement of human body waist above first position
BCG signals generate measurement BCG signals by once amplifying, filter, after secondary enhanced processing, solve original measurement BCG signals
Amplitude is relatively low and the problem of noise is more, further increases the accuracy of BCG measurements.
Further, in the embodiment of the present application, compensation circuit is by by the raw compensation of the following second position of human body waist
BCG signals generate compensation BCG signals by once amplifying, filter, after secondary enhanced processing, solve raw compensation BCG signals
Amplitude is relatively low and the problem of noise is more, further increases the accuracy of BCG measurements.
Fig. 6 is refer to, the method flow of the BCG measuring methods provided it illustrates one exemplary embodiment of the application
Figure, this method can be applied in the device such as Fig. 1, Fig. 4 and Fig. 5.This method includes：
In step 601, the measurement BCG signals of first position more than measuring circuit collection human body waist.
First position of the measuring circuit more than human body waist, collection are located at the original measurement BCG signals of first position,
By generation measurement BCG signals after original measurement BCG signal processings, and BCG signal transmissions will be measured to controller.
Optionally, measuring circuit is near heart, such as chest or back, to the original survey of station acquisition near heart
Measure BCG signals.
In step 602, the compensation BCG signals of the second position below compensation circuit collection human body waist.
Second position of the compensation circuit below human body waist, such as thigh or buttocks, collection is positioned at second position
Raw compensation BCG signals, extremely control by generation compensation BCG signals after raw compensation BCG signal processings, and by BCG signal transmissions
Device.
In step 603, after controller will measure BCG signals and compensation BCG signal fuseds, effective BCG signals are obtained.
As shown in Figures 2 and 3, since signal of the measurement BCG signals in the initial magnitude higher stage is more effective
Signal, compensation BCG signals are relatively stable signals, therefore controller can obtain the stronger letter of amplitude in measurement BCG signals
Number, the big signal of attenuation strength is given up, according to the signal the given up corresponding period, is obtained in BCG signals are compensated identical
The signal of period, by measurement BCG signals and compensation BCG signal fuseds, obtains effective BCG signals as compensation.
In step 604, controller is according to effective BCG signal generations BCG oscillograms.
Controller is according to effective BCG signal generations BCG oscillograms.
In conclusion in the embodiment of the present application, the measurement of first position more than human body waist is gathered by measuring circuit
BCG signals, compensation circuit collection human body waist below second position compensation BCG signals, controller will measure BCG signals and
Effective BCG signals are obtained after compensation BCG signal fuseds, according to effective BCG signal generations BCG oscillograms, due to measuring BCG signals
Signal segment with sharp-decay, the amplitude of compensation BCG signals is weaker, corresponding to measurement BCG signals by compensating BCG signals
The signal segment of sharp-decay compensates, and solves and is only brought by measuring the BCG signal generation BCG oscillograms at a position
Measurement it is inaccurate the problem of, improve the accuracy of BCG signal measurements.
Fig. 6 is refer to, it illustrates the method flow of the BCG measuring methods of the application another exemplary embodiment offer
Figure, this method can be applied in the device such as Fig. 1, Fig. 4 and Fig. 5, and this method is a kind of optional for the step 603 shown in Fig. 6
Embodiment, suitable for embodiment as shown in Figure 6, this method includes this method：
In step 701, controller will compensate the sampled point of amplitude maximum in BCG signals as the first reference sample point.
Compensation BCG signals include multiple sampled points, and each sampled point corresponds to an amplitude and moment, controller are compensating
The sampled point of amplitude maximum is obtained in multiple sampled points of BCG signals, using the sampled point as the first reference sample point, the sampling
The corresponding amplitude of point is h2。
In a step 702, controller obtains the second reference sample point, the second reference sample point pair in BCG signals are measured
Amplitude of the amplitude of sampled point after at the time of answering no more than the first reference sample point.
Equally, measurement BCG signals also include multiple sampled points, and controller will measure each sampled point in BCG signals
Amplitude and h2Compare, the second reference sample point is obtained in the sampled point of measurement BCG signals, in the sampled point of measurement BCG signals
In, at the time of the second reference sample point corresponds to after sampled point amplitude no more than the first reference sample point amplitude.
In step 703, as referring to the moment at the time of controller corresponds to the second reference sample point.
T at the time of controller corresponds to reference sample point0As with reference to the moment.
In step 704, controller obtains the first BCG subsignals from measurement BCG signals, and the first BCG subsignals are to survey
Measure the signal being located in BCG signals before referring to the moment.
Controller, which will be measured at the time of correspondence in BCG signals, is located at t0Signal before is as the first BCG subsignals.
In step 705, controller obtains the 2nd BCG subsignals from compensation BCG signals, and the 2nd BCG subsignals are to mend
Repay the signal for being located in BCG signals and referring to after the moment.
Controller, which will be compensated at the time of correspondence in BCG signals, is located at t0Signal afterwards is as the 2nd BCG subsignals.
In step 706, controller obtains effective BCG letters by after the first BCG subsignals and the splicing of the 2nd BCG subsignals
Number.
After controller splices the stem of the afterbody of the first BCG subsignals and the 2nd BCG subsignals, which is
Effective BCG signals.
Since signal of the measurement BCG signals in the initial magnitude higher stage is more effective signal, with compensation
The sampled point of amplitude maximum is as the first reference sample point in BCG signals, by the corresponding amplitude h of the first reference point2For reference frame
Value, obtains amplitude in measurement BCG signals and is all higher than h2Signal segment as the first BCG subsignals, by the big signal of attenuation strength
Give up, according to the signal the given up corresponding period, the 2nd BCG subsignals of acquisition same time period in BCG signals are compensated
As compensation, the first BCG subsignals and the 2nd BCG subsignals are subjected to ending splicing, obtain effective BCG signals.
In conclusion in the embodiment of the present application, it is used as by the way that amplitude maximum in BCG signal samplings point will be compensated and refers to width
Value, the signal segment measured in BCG signals less than reference amplitude is given up, the signal segment for obtaining and giving up in BCG signals are compensated
The signal segment of corresponding period, using the signal segment as the compensation for giving up signal segment, realizes measurement BCG signals and compensation
The fusion of BCG signals, improves the accuracy of BCG signal measurements.
Fig. 8 is refer to, it illustrates the method flow of the BCG measuring methods of the application another exemplary embodiment offer
Figure, this method are applied in the device such as Fig. 1, Fig. 4 and Fig. 5, and this method is a kind of optional implementation of the step 706 shown in Fig. 7
Mode, suitable for embodiment as shown in Figure 7, this method includes this method：
In step 801, controller is spliced the stem of the afterbody of the first BCG subsignals and the 2nd BCG subsignals,
Obtain splicing signal.
Second reference point in first BCG subsignals should be used as the afterbody of the first BCG subsignals by controller, by second
T in BCG subsignals0Stem of the moment corresponding sampled point as the 2nd BCG subsignals, by the afterbody of the first BCG subsignals
Spliced with the stem of the 2nd BCG subsignals, obtain splicing signal.
In step 802, controller randomly selects out K sampled point from the sampled point of splicing signal, is adopted as the 1st group
Sampling point.
Controller will randomly select out K sampled point in the sampled point of splicing signal, as the 1st group of signal.Wherein, K is
Predetermined numerical value, the value size of K have influence to final BCG oscillograms.When K values are too small, sampled point can cause very little
Oscillogram is unsmooth, can not obtain accurate measurement result, when K values are excessive, can not realize to sampled point in splicing signal
Screening, therefore, it is necessary to set defining K value according to the actual requirements.
In step 803, controller removes remaining sampled point after the 1st group of sampled point from the sampled point of splicing signal,
Obtain with the 1st group of sampled point each sampled point closest to groups of samples into the 2nd group of sampled point.
Controller is removed from the sampled point of splicing signal after the 1st group of sampled point in remaining sampled point, is obtained and the 1st group
Each sampled point closest to groups of samples into the 2nd group of sampled point in sampled point.
Optionally, each immediate sampled point of sampled point can obtain in the following manner in the 1st group：For in the 1st group
The corresponding amplitude of any one sampled point a, sampled point a is ha, by the amplitude and h of each sampled point in remaining sampled pointaAsk
Difference, difference it is minimum be sampled point a closest to sampled point, obtain each sampled point in the 1st group closest to groups of samples
Into the 2nd group of sampled point.
In step 804, controller obtains most connecing for each sampled point in i-th group of sampled point from the i-th remaining sampled point
Nearly groups of samples into i+1 group sampled point, wherein, the i-th remaining sampled point is to remove the 1st group of sampling in the sampled point of splicing signal
O'clock to remaining sampled point after i-th group of sampled point, the initial value 2 of i.
Controller obtained from the i-th remaining sampled point each sampled point in i-th group of sampled point closest to groups of samples into
I+1 group sampled point, wherein, the i-th remaining sampled point is to remove the 1st group of sampled point in the sampled point of splicing signal to adopt to i-th group
Remaining sampled point after sampling point, the initial value 2 of i.
For example, removing the remaining sampled point after the 1st group of sampled point and the 2nd group of sampled point from the sampled point of splicing signal and being
2nd remaining sampled point, obtains the immediate sampled point of each sampled point in the 2nd group of sampled point, group from the 2nd remaining sampled point
Into the 3rd group of sampled point.
Likewise, after removing the 1st group of sampled point, the 2nd group of sampled point and the 3rd group of sampled point from the sampled point of splicing signal
Remaining sampled point be the 3rd remaining sampled point, each sampled point is obtained in the 3rd group of sampled point from the 3rd remaining sampled point most
Close sampled point, forms the 4th group of sampled point.
And so on, repeat no more.
Optionally, controller is for j-th of sampled point in i-th group of sampled point, by each adopting in the i-th remaining sampled point
Sampling point and the amplitude of j-th of sampling ask poor, using the sampled point of difference minimum as j-th sampled point closest to sampled point.
In step 805, controller repeats previous step, until the sampled point in splicing signal is divided into N group sampled points.
Controller repeat step 804, until the sampled point in splicing signal is divided into N group sampled points, wherein, N groups are adopted
The number of sampling point can not be K.
In step 806, controller is using the middle groups sampled point in N group sampled points as effective BCG signals.
Controller, which appoints the sampled point of the center section in N group sampled points, takes one group as effective BCG signals.
For example, when N is 100, the 40th group of sampled point positioned at intermediate region can appoint into the 60th group of sampled point takes one group
As effective BCG signals.
Optionally, if N is even number, controller samples N/2 groups sampled point or N/2+1 groups sampled point as middle groups
Point；If N is odd number, using N/2+1 groups sampled point as middle groups sampled point.
In conclusion in the embodiment of the present application, by the way that the first BCG subsignals and the 2nd BCG subsignals are spelled
Signal is connect, the sampled point of splicing signal is divided into N groups, i+1 group sampled point is most connecing for i-th group of sampled point in N group sampled points
Nearly sampled point, using the middle groups sampled point in N group sampled points as effective BCG signals, solves partial amplitude in splicing signal
The technical problem that excessive or too small amplitude sampled point impacts accuracy of measurement, further increases the standard of BCG measurements
Exactness.
Fig. 9 is refer to, it illustrates the method flow of the BCG measuring methods of the application another exemplary embodiment offer
Figure, this method can be applied in the device such as Fig. 1, Fig. 4 and Fig. 5, and this method includes：
In step 901, the measurement BCG signals of first position more than measuring circuit collection human body waist.
First position of the measuring circuit more than human body waist, collection are located at the original measurement BCG signals of first position,
By generation measurement BCG signals after original measurement BCG signal processings, and BCG signal transmissions will be measured to controller.
Optionally, measuring circuit is near heart, such as chest or back, to the original survey of station acquisition near heart
Measure BCG signals.
In step 902, the compensation BCG signals of the second position below compensation circuit collection human body waist.
Second position of the compensation circuit below human body waist, such as thigh or buttocks, collection is positioned at second position
Raw compensation BCG signals, extremely control by generation compensation BCG signals after raw compensation BCG signal processings, and by BCG signal transmissions
Device.
In step 903, controller will compensate the sampled point of amplitude maximum in BCG signals as the first reference sample point.
Compensation BCG signals include multiple sampled points, and each sampled point corresponds to an amplitude and moment, controller are compensating
The sampled point of amplitude maximum is obtained in multiple sampled points of BCG signals, using the sampled point as the first reference sample point, the sampling
The corresponding amplitude of point is h2。
In step 904, controller obtains the second reference sample point, the second reference sample point pair in BCG signals are measured
Amplitude of the amplitude of sampled point after at the time of answering no more than the first reference sample point.
Equally, measurement BCG signals also include multiple sampled points, and controller will measure each sampled point in BCG signals
Amplitude and h2Compare, the second reference sample point is obtained in the sampled point of measurement BCG signals, in the sampled point of measurement BCG signals
In, at the time of the second reference sample point corresponds to after sampled point amplitude no more than the first reference sample point amplitude.
In step 905, as referring to the moment at the time of controller corresponds to the second reference sample point.
T at the time of controller corresponds to reference sample point0As with reference to the moment.
In step 906, controller obtains the first BCG subsignals from measurement BCG signals, and the first BCG subsignals are to survey
Measure the signal being located in BCG signals before referring to the moment.
Controller, which will be measured at the time of correspondence in BCG signals, is located at t0Signal before is as the first BCG subsignals.
In step 907, controller obtains the 2nd BCG subsignals from compensation BCG signals, and the 2nd BCG subsignals are to mend
Repay the signal for being located in BCG signals and referring to after the moment.
Controller, which will be compensated at the time of correspondence in BCG signals, is located at t0Signal afterwards is as the 2nd BCG subsignals.
In step 908, controller is spliced the stem of the afterbody of the first BCG subsignals and the 2nd BCG subsignals,
Obtain splicing signal.
Second reference point in first BCG subsignals should be used as the afterbody of the first BCG subsignals by controller, by second
T in BCG subsignals0Stem of the moment corresponding sampled point as the 2nd BCG subsignals, by the afterbody of the first BCG subsignals
Spliced with the stem of the 2nd BCG subsignals, obtain splicing signal.
In step 909, the sampled point in splicing signal is divided into N group sampled points by controller, i+1 in N group sampled points
Group sampled point is i-th group of sampled point closest to sampled point.
Sampled point in splicing signal is divided into N group sampled points by controller by the method for Fig. 8 embodiments, wherein, N groups are adopted
I+1 group sampled point is i-th group of sampled point closest to sampled point in sampling point.
In step 910, controller is using the middle groups sampled point in N group sampled points as effective BCG signals.
Controller, which appoints the sampled point of the center section in N group sampled points, takes one group as effective BCG signals.
For example, when N is 100, the 40th group of sampled point positioned at intermediate region can appoint into the 60th group of sampled point takes one group
As effective BCG signals.
Optionally, if N is even number, controller samples N/2 groups sampled point or N/2+1 groups sampled point as middle groups
Point；If N is odd number, using N/2+1 groups sampled point as middle groups sampled point.
In step 911, controller is according to effective BCG signal generations BCG oscillograms.
Controller is according to effective BCG signal generations BCG oscillograms.
In conclusion in the embodiment of the present application, the measurement of first position more than human body waist is gathered by measuring circuit
BCG signals, compensation circuit collection human body waist below second position compensation BCG signals, controller will measure BCG signals and
Effective BCG signals are obtained after compensation BCG signal fuseds, according to effective BCG signal generations BCG oscillograms, due to measuring BCG signals
Signal segment with sharp-decay, the amplitude of compensation BCG signals is weaker, corresponding to measurement BCG signals by compensating BCG signals
The signal segment of sharp-decay compensates, and solves and is only brought by measuring the BCG signal generation BCG oscillograms at a position
Measurement it is inaccurate the problem of, improve the accuracy of BCG signal measurements.
Further, in the embodiment of the present application, it is used as by the way that maximum amplitude in BCG signal samplings point will be compensated and refers to width
Value, the signal segment measured in BCG signals less than reference amplitude is given up, the signal segment for obtaining and giving up in BCG signals are compensated
The signal segment of corresponding period, using the signal segment as the compensation for giving up signal segment, realizes measurement BCG signals and compensation
The fusion of BCG signals, improves the accuracy of BCG signal measurements.
Further, in the embodiment of the present application, by the way that the first BCG subsignals and the 2nd BCG subsignals are spelled
Signal is connect, the sampled point of splicing signal is divided into N groups, i+1 group sampled point is most connecing for i-th group of sampled point in N group sampled points
Nearly sampled point, using the middle groups sampled point in N group sampled points as effective BCG signals, solves partial amplitude in splicing signal
The technical problem that excessive or too small amplitude sampled point impacts accuracy of measurement, further increases the standard of BCG measurements
Exactness.
It should be appreciated that referenced herein " multiple " refer to two or more."and/or", description association
The incidence relation of object, expression may have three kinds of relations, for example, A and/or B, can represent：Individualism A, while there are A
And B, individualism B these three situations.It is a kind of relation of "or" that character "/", which typicallys represent forward-backward correlation object,.
Above-mentioned the embodiment of the present application sequence number is for illustration only, does not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is merely the preferred embodiment of the application, not to limit the application, it is all in spirit herein and
Within principle, any modification, equivalent replacement, improvement and so on, should be included within the protection domain of the application.
Claims (10)
1. a kind of heart impacts BCG signal measurement apparatus, it is characterised in that described device includes：
Measuring circuit, for gathering the measurement BCG signals of first position more than human body waist, and by the measurement BCG signals
It is transmitted to controller；
Compensation circuit, for gathering the compensation BCG signals of the second position below human body waist, and by the compensation BCG signals
It is transmitted to the controller；
The controller, for effective BCG signals, root will to be obtained after the measurement BCG signals and the compensation BCG signal fuseds
According to the BCG signal waveforms effectively described in BCG signal generations.
2. device according to claim 1, it is characterised in that first measuring circuit includes first sensor and the
One processing unit；Second measuring circuit includes second sensor and second processing unit；
The first sensor, for gathering the original measurement BCG signals of the first position, and by the original measurement BCG
Signal transmission is to the first processing units；
The first processing units, for obtaining level-one amplification after the original measurement BCG signals are carried out an enhanced processing
Raw measured signal；The raw measured signal that the level-one is amplified is filtered, obtains the original measurement after coagulation
Signal；After raw measured signal after the coagulation is carried out secondary enhanced processing, the measurement BCG signals are obtained；
The second sensor, for gathering the raw compensation BCG signals of the second position, and by the raw compensation BCG
Signal transmission is to the second processing unit；
The second processing unit, for obtaining level-one amplification after the raw compensation BCG signals are carried out an enhanced processing
Raw compensation signal；The raw compensation signal that the level-one is amplified is filtered, obtains the raw compensation after coagulation
Signal；After raw compensation signal after the coagulation is carried out secondary enhanced processing, the compensation BCG signals are obtained.
3. device according to claim 1 or 2, it is characterised in that the controller, is additionally operable to：
Using the sampled point of amplitude maximum in the compensation BCG signals as the first reference sample point；
The second reference sample point is obtained in the measurement BCG signals, at the time of the second reference sample point corresponds to after
Amplitude of the amplitude of sampled point no more than the first reference sample point；
As referring to the moment at the time of the second reference sample point is corresponded to；
The first BCG subsignals are obtained from the measurement BCG signals, the first BCG subsignals are in the measurement BCG signals
Positioned at the signal with reference to before the moment；
The 2nd BCG subsignals are obtained from the compensation BCG signals, the 2nd BCG subsignals are in the compensation BCG signals
Positioned at the signal with reference to after the moment；
After the first BCG subsignals and the 2nd BCG subsignals splicing, the effectively BCG signals are obtained.
4. device according to claim 3, it is characterised in that the controller, is additionally operable to：
The stem of the afterbody of the first BCG subsignals and the 2nd BCG subsignals is spliced, obtains splicing signal；
Sampled point in the splicing signal is divided into N group sampled points, i+1 group sampled point is i-th group in the N groups sampled point
Sampled point closest to sampled point, 1≤i≤N-1；
Using the middle groups sampled point in the N groups sampled point as the effectively BCG signals.
A kind of 5. BCG signal measurements method, it is characterised in that the described method includes：
Gather the measurement BCG signals of first position more than human body waist；
Gather the compensation BCG signals of the second position below human body waist；
After the measurement BCG signals and the compensation BCG signal fuseds, effective BCG signals are obtained；
According to BCG oscillograms described in the effectively BCG signal generations.
6. according to the method described in claim 5, it is characterized in that, described believe the measurement BCG signals and the compensation BCG
Number fusion after, obtain effective BCG signals, including：
Using the sampled point of amplitude maximum in the compensation BCG signals as the first reference sample point；
The second reference sample point is obtained in the measurement BCG signals, at the time of the second reference sample point corresponds to after
Amplitude of the amplitude of sampled point no more than the first reference sample point；
As referring to the moment at the time of the second reference sample point is corresponded to；
The first BCG subsignals are obtained from the measurement BCG signals, the first BCG subsignals are in the measurement BCG signals
Positioned at the signal with reference to before the moment；
The 2nd BCG subsignals are obtained from the compensation BCG signals, the 2nd BCG subsignals are in the compensation BCG signals
Positioned at the signal with reference to after the moment；
After the first BCG subsignals and the 2nd BCG subsignals splicing, the effectively BCG signals are obtained.
It is 7. according to the method described in claim 6, it is characterized in that, described by the first BCG subsignals and the 2nd BCG
The effectively BCG signals are obtained after subsignal splicing to be included：
The stem of the afterbody of the first BCG subsignals and the 2nd BCG subsignals is spliced, obtains splicing signal；
Sampled point in the splicing signal is divided into N group sampled points, i+1 group sampled point is i-th group in the N groups sampled point
Sampled point closest to sampled point, 1≤i≤N-1；
Using the middle groups sampled point in the N groups sampled point as the effectively BCG signals.
8. the method according to the description of claim 7 is characterized in that the sampled point by the splicing signal is divided into N groups
Sampled point includes：
K sampled point is randomly selected out from the sampled point of the splicing signal, as the 1st group of sampled point；
Remaining sampled point after the 1st group of sampled point is removed from the sampled point of the splicing signal, is obtained and the 1st group of sampling
Each sampled point closest to groups of samples into the 2nd group of sampled point in point；
Obtained from the i-th remaining sampled point each sampled point in i-th group of sampled point closest to groups of samples into the i+1 group
Sampled point, wherein, the i-th remaining sampled point is to remove the 1st group of sampled point in the sampled point of the splicing signal to adopt to i-th group
Remaining sampled point after sampling point, the initial value 2 of i；
Previous step is repeated, until the sampled point in the splicing signal is divided into N group sampled points.
9. a kind of BCG measures thing to sit on, the thing to sit on includes sitting face and backrest, it is characterised in that the thing to sit on includes：
The measuring circuit for leaning on back is arranged at, for gathering the measurement BCG signals of human body back, and by the measurement BCG
Signal transmission is to controller；
The compensation circuit being arranged in the sitting face, for gathering the compensation BCG signals of human buttock, and by the compensation BCG
Signal transmission is to the controller；
The controller, for effective BCG signals, root will to be obtained after the measurement BCG signals and the compensation BCG signal fuseds
According to the BCG signal waveforms effectively described in BCG signal generations.
10. thing to sit on according to claim 9, it is characterised in that first measuring circuit include first sensor and
First processing units；Second measuring circuit includes second sensor and second processing unit；
The first sensor, for gathering the original measurement BCG signals of the first position, and by the original measurement BCG
Signal transmission is to the first processing units；
The first processing units, for obtaining level-one amplification after the original measurement BCG signals are carried out an enhanced processing
Raw measured signal；The raw measured signal that the level-one is amplified is filtered, obtains the original measurement after coagulation
Signal；After raw measured signal after the coagulation is carried out secondary enhanced processing, the measurement BCG signals are obtained；
The second sensor, for gathering the raw compensation BCG signals of the second position, and by the raw compensation BCG
Signal transmission is to the second processing unit；
The second processing unit, for obtaining level-one amplification after the raw compensation BCG signals are carried out an enhanced processing
Raw compensation signal；The raw compensation signal that the level-one is amplified is filtered, obtains the raw compensation after coagulation
Signal；After raw compensation signal after the coagulation is carried out secondary enhanced processing, the compensation BCG signals are obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711306860.8A CN107951472A (en) | 2017-12-11 | 2017-12-11 | Heart impact signal measuring device, method and thing to sit on |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711306860.8A CN107951472A (en) | 2017-12-11 | 2017-12-11 | Heart impact signal measuring device, method and thing to sit on |
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| CN201711306860.8A Withdrawn CN107951472A (en) | 2017-12-11 | 2017-12-11 | Heart impact signal measuring device, method and thing to sit on |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745037A (en) * | 2019-02-14 | 2019-05-14 | 广州视源电子科技股份有限公司 | A kind of image processing method, device, equipment and storage medium |
| CN112869733A (en) * | 2021-01-08 | 2021-06-01 | 广州中科新知科技有限公司 | Real-time heart beat interval measuring and calculating method for ballistocardiogram |
-
2017
- 2017-12-11 CN CN201711306860.8A patent/CN107951472A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745037A (en) * | 2019-02-14 | 2019-05-14 | 广州视源电子科技股份有限公司 | A kind of image processing method, device, equipment and storage medium |
| CN112869733A (en) * | 2021-01-08 | 2021-06-01 | 广州中科新知科技有限公司 | Real-time heart beat interval measuring and calculating method for ballistocardiogram |
| CN112869733B (en) * | 2021-01-08 | 2021-12-24 | 广州中科新知科技有限公司 | Real-time heart beat interval measuring and calculating method for ballistocardiogram |
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