CN102813512A - Electronic device with pulse detection function and pulse detection method of electronic device - Google Patents
Electronic device with pulse detection function and pulse detection method of electronic device Download PDFInfo
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- CN102813512A CN102813512A CN2011101554097A CN201110155409A CN102813512A CN 102813512 A CN102813512 A CN 102813512A CN 2011101554097 A CN2011101554097 A CN 2011101554097A CN 201110155409 A CN201110155409 A CN 201110155409A CN 102813512 A CN102813512 A CN 102813512A
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Abstract
The invention relates to an electronic device with a pulse detection function and a pulse detection method of the electronic device. The electronic device comprises a capacitive touch unit for inducing pressure changes. By means of a capacitive touch circuit, the electronic device calculates change values of a capacitor of the electronic device, the values of the capacitor are changed due to the changing of pressure, the change values of the capacitor are subjected to spectral analysis to obtain an oscillogram of pulse frequency and amplitude, a subject and a doctor can know body conditions of the subject according to the oscillogram of the pulse frequency and the amplitude measured by the electronic device so as to take appropriate measures, and a wrist of the subject is not required to be bound for measuring the pulse frequency of the subject so that discomfort of the subject is reduced.
Description
Technical field
The present invention relates to a kind of electronic installation, more specifically, relate to a kind of electronic installation and pulse method for detecting thereof with pulse detecting function.
Background technology
People's heart beating can cause specific periodic phenomena in blood vessel, this physiological phenomenon can produce pressure accordingly, and it is apparent in view that this pressure changes meeting at some position of human body; Pulse like the wrist place; And the equipment of embodiment human body situations such as existing thought-read frequency hopping rate, blood pressure all is the blood pressure pulse device usually, yet the blood pressure pulse device must be pinioned just energy measurement of user's arms; This brings very big discomfort for the testee arm, has also spent the long Measuring Time of testee simultaneously.
Summary of the invention
In order to solve the problem of above-mentioned existence, the objective of the invention is to, a kind of electronic installation with pulse detecting function is provided, it comprises that one shows the display unit of information; One epidermis pressure sensitive unit is used for induction in real time from the pressure of testee pulse; One sampling unit is used for every pulse pressure at a distance from sampling period sampling testee; One capacitance touching control unit, each difference that the pulse pressure that is used for sampling according to each sampling period calculates inductance capacitance discharges and recharges the time; One capacitance computing unit is used for discharging and recharging the corresponding different capacitances of each pressure of Time Calculation according to each difference; One capacitance variations statistic unit is used for forming the oscillogram that this capacitance touching control cell capacitance of induction process changes according to the capacitance of each calculating; And a spectral analysis unit, be used for this changes in capacitance is done spectrum analysis and carried out fast Fourier transform, draw the oscillogram of testee pulse frequency and amplitude.
A kind of pulse method for detecting of electronic installation; This electronic installation comprises that one is used for the capacitance touching control unit of senses change in pressure, and this method comprises the steps: pressure and the every pulse pressure at a distance from sampling period sampling testee of induction in real time from the testee pulse; Each difference of calculating this capacitance touching control unit inductance capacitance according to the pulse pressure of each sampling discharges and recharges the time in sampling period; Discharge and recharge the corresponding different capacitances of each pressure of Time Calculation according to each difference; Form the oscillogram of capacitance variations in the induction process according to the capacitance of each calculating; And this changes in capacitance is done spectrum analysis carry out fast Fourier transform, draw the oscillogram of testee pulse frequency and amplitude.
A kind of electronic installation and pulse method for detecting thereof of the present invention with pulse detecting function; This electronic installation adopts the calculating of capacitive touch control circuit to cause its changes in capacitance by the pressure variation; Changes in capacitance is carried out the oscillogram that spectrum analysis obtains pulse frequency and amplitude, and testee can be understood the health of himself according to the oscillogram of this pulse frequency and amplitude, and the health of the oscillogram understanding testee of the pulse frequency that can measure according to electronic installation of doctor and amplitude; Thereby take appropriate measures; And the wrist that need not to pinion testee is surveyed its pulse frequency, reduces the discomfort of testee.
Description of drawings
Fig. 1 is the hardware configuration sketch map of the electronic installation of the present invention one with pulse detecting function;
Fig. 2 is that the capacitance touching control unit of the electronic installation of Fig. 1 calculates the circuit diagram of the time that discharges and recharges of electric capacity; And
Fig. 3 is the method flow diagram of the electronic installation detecting pulse of Fig. 1.
The main element symbol description
| Electronic installation | 1 |
| Epidermis pressure |
10 |
| |
20 |
| The capacitance |
30 |
| The |
40 |
| |
31 |
| |
32 |
| |
33 |
| The capacitance variations |
50 |
| |
60 |
| |
70 |
The following specific embodiment will combine above-mentioned accompanying drawing to further specify the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the electronic installation that the present invention is had the pulse detecting function is done further to describe in detail.
Fig. 1 is the hardware configuration sketch map of the electronic installation of the present invention one with pulse detecting function.One have the pulse detecting function electronic installation (hereinafter to be referred as " electronic installation ") 1 can be the various electronic installations that are convenient for carrying, for example, mobile phone, medical science hand-held device.This electronic installation 1 comprises an epidermis pressure sensitive unit 10, a sampling unit 20, a capacitance touching control unit 30, a capacitance computing unit 40, a capacitance variations statistic unit 50, a spectral analysis unit 60 and a display unit 70.
Thereby this epidermis pressure sensitive unit 10 is used for the variation of induction in real time from the outside pulse pressure of sensing of beating of testee pulse.When testee its wrist near contact during this epidermis pressure sensitive unit 10, beating of pulse can produce the variation of pressure accordingly, and need not to pinion the wrist of testee.This sampling unit 20 is used for every pulse pressure at a distance from sampling period sampling testee.This capacitance touching control unit 30 is used for discharging and recharging the time according to each difference of the pulse pressure calculating inductance capacitance of each sampling period sampling.The pulse pressure of each sampling period sampling is different, and the time that discharges and recharges of the inductance capacitance that this capacitance touching control unit 30 calculates also and then changes.
As shown in Figure 2, for calculating the circuit diagram of the time that discharges and recharges of electric capacity in capacitance touching control unit 30.This capacitance touching control unit 30 is electrically connected this epidermis pressure sensitive unit 10 and this sampling unit 20.The circuit of this capacitance touching control unit 30 comprises a capacitor C, a resistance R, two switch SW 1, SW2, a comparator 31, a timer 32 and a clock agitator 33.(promptly do not sense beat pulse) under the situation that environment is constant around, this capacitor C constitutes an inductance capacitance with ground, and the capacitance of this capacitor C is fixed as small value and has fixed discharging and recharging the time.When sampling unit 20 sample one change pulse pressure the time, switch SW 1 is closed to be opened with switch SW 2, this timer 32 picks up counting, this circuit is in the charging steady statue to this capacitor C scheduled time of charging.
When this scheduled time was arrived in these timer 32 timing, switch SW 1 was opened and switch SW 2 closures, and this capacitor C and this resistance R constitute the RC loop; This capacitor C begins discharge; Drag down the voltage of resistance R, the voltage that this comparator 31 obtains a reference voltage VRef and these capacitor C two ends compares, when the voltage at these capacitor C two ends arrives this reference voltage VRef; This timer 32 stops timing, calculates the time that the discharges and recharges t of capacitor C according to this timer 32 of clock signal of clock oscillator 33.
This capacitance computing unit 40 is electrically connected this capacitance touching control unit 30; Be used for discharging and recharging the corresponding capacitance of pulse pressure that Time Calculation should the sampling period according to what this timer 32 calculated, computing formula is c=t/r, wherein; T is discharging and recharging the time of capacitor C, and r is the resistance value of resistance R.Therefore, whenever sampling unit 15 at the different sample periodic sampling during to different pulse pressure, this capacitance computing unit 40 calculates different capacitances according to the different time of discharging and recharging.
This capacitance variations statistic unit 50 is used for forming according to the capacitance of each calculating the oscillogram of induction process capacitance touching control unit 30 capacitance variations; For example, the abscissa of this oscillogram is that each sampling period and vertical coordinate are corresponding capacitance of each sampling period.Because the variation of pressure can have influence on this capacitance touching control unit 30 changes in capacitance, so, the oscillogram of pulse pressure variation reflected according to the oscillogram of capacitance variations.In this embodiment, the electric capacity of the pressure of pulse and this capacitance touching control unit 20 is proportional.This spectral analysis unit 60 is used for this changes in capacitance is done spectrum analysis and carried out fast Fourier transform, draws the oscillogram of testee pulse frequency and amplitude.This display unit 70 is used to show the oscillogram of this testee pulse frequency and amplitude.Wherein the amplitude maximum is the frequency of pulse of this testee in the oscillogram of this testee pulse frequency and amplitude.In this embodiment, this capacitance touching control unit 30 is a capacitive touch screen with this display unit 70.
Fig. 3 is the method flow diagram of the electronic installation pulse detecting of Fig. 1.This epidermis pressure sensitive unit 10 induction in real time is from pressure and this sampling unit 20 every pulse pressures (step S310) at a distance from sampling period sampling testee of testee pulse.This capacitance touching control unit 30 discharges and recharges the time (step S320) according to each difference of the pulse pressure calculating inductance capacitance of each sampling period sampling.This capacitance computing unit 40 discharges and recharges the corresponding different capacitances (step S330) of each pressure of Time Calculation according to each difference.
This capacitance variations statistic unit 50 forms the oscillogram (step S340) of capacitance touching control unit 30 capacitance variations in the induction process according to the capacitance of each calculating.60 pairs of these changes in capacitance of this spectral analysis unit are done spectrum analysis and are carried out fast Fourier transform, draw the oscillogram of testee pulse frequency and amplitude and the oscillogram (step S350) that control display unit 70 shows this pulse frequency and amplitude.
So; The variation that this electronic installation 1 adopts the capacitive touch control circuit to calculate by pressure causes its changes in capacitance; Changes in capacitance is carried out the oscillogram that spectrum analysis obtains pulse frequency and amplitude, and testee can be understood the health of himself according to the oscillogram of this pulse frequency and amplitude, and the health of the oscillogram understanding testee of the pulse frequency that can measure according to electronic installation 1 of doctor and amplitude; Thereby take appropriate measures; And the wrist that need not to pinion testee is surveyed its pulse frequency, reduces the discomfort of testee.
Although preferred implementation of the present invention is illustrated and describes, those skilled in the art will realize, and can make various variation and improvement, and these do not exceed true scope of the present invention.Therefore expectation, the present invention are not limited to disclosed as the specific embodiment that realizes the optimal mode that the present invention is contemplated, and all embodiments that the present invention includes all have in the protection domain of appended claims.
Claims (6)
1. electronic installation with pulse detecting function, it comprises that one shows the display unit of information, it is characterized in that this electronic installation also comprises:
One epidermis pressure sensitive unit is used for induction in real time from the pressure of testee pulse;
One sampling unit is used for every pulse pressure at a distance from sampling period sampling testee;
One capacitance touching control unit, each difference that the pulse pressure that is used for sampling according to each sampling period calculates inductance capacitance discharges and recharges the time;
One capacitance computing unit is used for discharging and recharging the corresponding different capacitances of each pressure of Time Calculation according to each difference;
One capacitance variations statistic unit is used for forming the oscillogram that this capacitance touching control cell capacitance of induction process changes according to the capacitance of each calculating; And
One spectral analysis unit is used for this changes in capacitance is done spectrum analysis and carried out fast Fourier transform, draws the oscillogram of testee pulse frequency and amplitude.
2. the electronic installation with pulse detecting function according to claim 1 is characterized in that, the amplitude maximum is the frequency of pulse of this testee in the oscillogram of this pulse frequency and amplitude.
3. the electronic installation with pulse detecting function according to claim 1 is characterized in that, the unitary circuit of this capacitance touching control comprises a capacitor C, a resistance R, two switch SW 1, SW2 and a timer; Under the situation that environment is constant around, this capacitor C constitutes an inductance capacitance with ground, and the capacitance of this capacitor C is fixed as small value and has fixed discharging and recharging the time; When sampling unit samples the pulse pressure of a variation; Switch SW 1 is closed to be opened with switch SW 2, and this timer picks up counting, and this circuit is in the charging steady statue to this capacitor C scheduled time of charging; When this circuit inductance arrives beat pulse; Switch SW 1 is opened and switch SW 2 closures, and this capacitor C and this resistance R constitute the RC loop, and this capacitor C begins discharge; Drag down the voltage of resistance R, this timer stops timing and calculates discharging and recharging the time of capacitor C.
4. the electronic installation with pulse detecting function according to claim 3; It is characterized in that the computing formula of the capacitance of this capacitance computing unit calculating pressure variation place is C=t/r, wherein; T is discharging and recharging the time of capacitor C, and r is the resistance value of resistance R.
5. the pulse method for detecting of an electronic installation, this electronic installation comprises that one is used for the capacitance touching control unit of senses change in pressure, it is characterized in that this method comprises the steps:
Induction in real time is from pressure and every pulse pressure at a distance from sampling period sampling testee of testee pulse;
Each difference of calculating this capacitance touching control unit inductance capacitance according to the pulse pressure of each sampling discharges and recharges the time in sampling period;
Discharge and recharge the corresponding different capacitances of each pressure of Time Calculation according to each difference;
Form the oscillogram of capacitance variations in the induction process according to the capacitance of each calculating; And
This changes in capacitance is done spectrum analysis carry out fast Fourier transform, draw the oscillogram of testee pulse frequency and amplitude.
6. the pulse method for detecting of electronic installation according to claim 5 is characterized in that, the amplitude maximum is the frequency of pulse of this testee in the oscillogram of this pulse frequency and amplitude.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101554097A CN102813512A (en) | 2011-06-10 | 2011-06-10 | Electronic device with pulse detection function and pulse detection method of electronic device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101554097A CN102813512A (en) | 2011-06-10 | 2011-06-10 | Electronic device with pulse detection function and pulse detection method of electronic device |
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| CN102813512A true CN102813512A (en) | 2012-12-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108742581A (en) * | 2018-06-15 | 2018-11-06 | Oppo广东移动通信有限公司 | Heartbeat detecting method, device, storage medium and terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11178802A (en) * | 1997-12-24 | 1999-07-06 | Seiko Epson Corp | Device and method for measuring biological condition |
| CN201147304Y (en) * | 2007-12-18 | 2008-11-12 | 毛允德 | Life testing and locating terminal |
| CN101380230A (en) * | 2007-09-06 | 2009-03-11 | 王林凤 | Myocardial infarction monitoring device |
| US20090116280A1 (en) * | 2007-11-07 | 2009-05-07 | Ovonyx, Inc. | Accessing a phase change memory |
| CN101449138A (en) * | 2006-05-24 | 2009-06-03 | 欧姆龙株式会社 | Array type capacitance sensor |
-
2011
- 2011-06-10 CN CN2011101554097A patent/CN102813512A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11178802A (en) * | 1997-12-24 | 1999-07-06 | Seiko Epson Corp | Device and method for measuring biological condition |
| CN101449138A (en) * | 2006-05-24 | 2009-06-03 | 欧姆龙株式会社 | Array type capacitance sensor |
| CN101380230A (en) * | 2007-09-06 | 2009-03-11 | 王林凤 | Myocardial infarction monitoring device |
| US20090116280A1 (en) * | 2007-11-07 | 2009-05-07 | Ovonyx, Inc. | Accessing a phase change memory |
| CN201147304Y (en) * | 2007-12-18 | 2008-11-12 | 毛允德 | Life testing and locating terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108742581A (en) * | 2018-06-15 | 2018-11-06 | Oppo广东移动通信有限公司 | Heartbeat detecting method, device, storage medium and terminal |
| CN108742581B (en) * | 2018-06-15 | 2021-08-20 | Oppo广东移动通信有限公司 | Heartbeat detection method, heartbeat detection device, storage medium and terminal |
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Application publication date: 20121212 |