CN104274167A - Physiological feature monitoring device powered by switching-mode power supply - Google Patents
Physiological feature monitoring device powered by switching-mode power supply Download PDFInfo
- Publication number
- CN104274167A CN104274167A CN201410503811.3A CN201410503811A CN104274167A CN 104274167 A CN104274167 A CN 104274167A CN 201410503811 A CN201410503811 A CN 201410503811A CN 104274167 A CN104274167 A CN 104274167A
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- CN
- China
- Prior art keywords
- heart rate
- transistor
- outfan
- oximeter
- instrumental panel
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Classifications
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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
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
-
- 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
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- 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
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
Abstract
The invention provides a physiological feature monitoring device powered by a switching-mode power supply. The physiological feature monitoring device comprises a miniature vibrator, an audio player, a heart rate meter and an oximeter; the heart rate meter and the oximeter are arranged on the reverse side of an instrument panel and a skin contact surface, and heart rate and blood oxygen data are transmitted to a designated mobile phone terminal through a GPRS (general packet radio service) module; the heart rate meter comprises a green-light diode, a photosensitive unit and a counter, the green-light diode is arranged on the lower surface of the shell of the instrument panel, the photosensitive unit is used for receiving reflected light, and the counter is used for detecting frequency, outputted by the photosensitive unit, of electrical signals; the oximeter comprises two LED lamps arranged on a skin contact portion and a second photosensitive element, the LED lamp transmit light beams with fixed wavelength, the second photosensitive element is used for collecting the light diffused by skin, tissue and blood and converting light intensity representing blood oxygen saturation values into the electrical signals; the blood oxygen saturation values and the heart rate values outputted by the counter are processed through a DSP (digital signal processor), and heart rate data and blood oxygen saturation data in standard format are outputted.
Description
Technical field
The present invention relates to electronic applications, particularly a kind of Switching Power Supply physiological feature supervising device of powering.
Background technology
Along with the aggravation of Aging Problem and the quickening of people's work rhythm, increasing old people needs to live on one's own life, children or in other places, or not free treatment old man, the daily life of old man has unexpected generation, such as fall, the old man children that meet accident really do not know, often cause serious consequence.
How the health of old man to be sent in real time in children's hands, be current problem demanding prompt solution.
Summary of the invention
The present invention proposes the physiological feature supervising device that a kind of Switching Power Supply is powered, and solves the problem of monitoring old people health in real time.
Technical scheme of the present invention is achieved in that
The physiological feature supervising device that Switching Power Supply is powered, entirety is ring-type, and its outer surface is that EVA material is coated, the embedded instrumental panel in position in ring, instrumental panel and the chain band looping main body be spliced being connected to instrumental panel two ends;
Described instrumental panel also comprises battery and power converter module, and described power converter module comprises:
Transformator, comprise former limit winding and vice-side winding, former limit winding comprises first end and the second end, vice-side winding comprises first end and the second end, former limit winding first end is connected to the first electric connector and input capacitor, vice-side winding second end is connected to secondary earth potential, and former limit winding first end and vice-side winding second end are Same Name of Ends;
First switching tube, its source electrode is connected to transformer primary side winding second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver;
First switch driver, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, the emitter stage of the first transistor and transistor seconds links together as outfan, and the colelctor electrode of the first transistor is connected to described input capacitor, and the colelctor electrode of transistor seconds is connected to former limit earth potential;
First frequency circuit for generating, comprise the first phaselocked loop, it is connected to crystal oscillator; First low pass filter, is connected to the outfan of the first phaselocked loop; First voltage controlled oscillator, be connected to the first low pass filter outfan, its outfan is connected to the first amplifier, and the outfan of the first amplifier is connected to the control end of described first switch driver;
First diode, its anode is connected to transformer secondary winding first end, and its negative electrode is connected to output filter;
Output filter comprises the first inducer and the first capacitor, and the first inducer is connected to the negative electrode of described first diode, and the common port of the first inducer and the first capacitor is connected to the second electric connector, and the other end of the first capacitor is connected to secondary earth potential;
Described first electric connector is connected to battery, and the second electric connector is outfan;
Described instrumental panel also comprises mini vibrator, audio player, cardiotachometer and oximeter, and cardiotachometer and oximeter are arranged on the instrumental panel back side and skin contact, by GPRS module, heart rate and oximetry data is transferred to fixed point mobile phone terminal;
Described cardiotachometer comprises the enumerator that the green diode being arranged on described instrument panel shell lower surface, the sensor devices receiving reflected light and the frequency to the signal of telecommunication that photo-sensitive cell exports detect;
Described oximeter is included in two LED and second photo-sensitive cell of skin contact part setting, two LED export the light beam of fixed wave length, second photo-sensitive cell gathers the light returned through skin, tissue, blood diffuse reflectance, and the light intensity representing oximetry value is converted to the signal of telecommunication;
Dsp processor processes the heart rate value that oximetry value sum counter exports, and exports the heart rate data through the reference format of ovennodulation and blood oxygen saturation data;
The heart rate data that dsp processor exports by GPRS module and blood oxygen saturation data are transferred to fixed point mobile phone terminal by GPRS network; GPRS module receives the request signal of fixed point mobile phone terminal, and is pointed out by mini vibrator and audio player; Instrumental panel is also provided with normal and emergency alarm button, by GPRS module, respective keys operation is sent to fixed point mobile phone terminal.
Alternatively, described dsp processor is TMS320F2812 dsp processor.
The invention has the beneficial effects as follows:
(1) the physiological feature supervising device that Switching Power Supply is powered is worn on wrist, conveniently wears;
(2) external sheath EVA material, waterproof, nontoxic, tasteless;
(3) built-in dsp processor, is convenient to the renewal of system;
(4) detect old people's heart rate data and blood oxygen saturation data in real time, state sends in time.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the physiological feature supervising device that Switching Power Supply of the present invention is powered;
Fig. 2 is the control circui block diagram of the physiological feature supervising device that Switching Power Supply of the present invention is powered;
Fig. 3 is the circuit diagram of power converter module of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the physiological feature supervising device that a kind of Switching Power Supply of the present invention is powered, entirety is ring-type, and its outer surface is that EVA material is coated, the embedded instrumental panel 1000 in position in ring, instrumental panel and the chain band looping main body be spliced being connected to instrumental panel two ends.
As shown in Figure 2, described instrumental panel also comprises mini vibrator, audio player, cardiotachometer and oximeter, and cardiotachometer and oximeter are arranged on the instrumental panel back side and skin contact, by GPRS module, heart rate and oximetry data is transferred to fixed point mobile phone terminal.
Described cardiotachometer comprises the enumerator that the green diode being arranged on described instrument panel shell lower surface, the sensor devices receiving reflected light and the frequency to the signal of telecommunication that photo-sensitive cell exports detect.
Described oximeter is included in two LED and second photo-sensitive cell of skin contact part setting, two LED export the light beam of fixed wave length, second photo-sensitive cell gathers the light returned through skin, tissue, blood diffuse reflectance, and the light intensity representing oximetry value is converted to the signal of telecommunication.
Dsp processor processes the heart rate value that oximetry value sum counter exports, and exports the heart rate data through the reference format of ovennodulation and blood oxygen saturation data.
The heart rate data that dsp processor exports by GPRS module and blood oxygen saturation data are transferred to fixed point mobile phone terminal by GPRS network; GPRS module receives the request signal of fixed point mobile phone terminal, and is pointed out by mini vibrator and audio player; Instrumental panel is also provided with normal and emergency alarm button, by GPRS module, respective keys operation is sent to fixed point mobile phone terminal.
As shown in Figure 3, an embodiment of power converter module of the present invention, comprise: transformator 11, comprise former limit winding and vice-side winding, former limit winding comprises first end and the second end, and vice-side winding comprises first end and the second end, and former limit winding first end is connected to the first electric connector 2 and input capacitor 3, vice-side winding second end is connected to secondary earth potential, and former limit winding first end and vice-side winding second end are Same Name of Ends; First switching tube 12, its source electrode is connected to transformer primary side winding second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver 13; First switch driver 13, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, the emitter stage of the first transistor and transistor seconds links together as outfan, and the colelctor electrode of the first transistor is connected to described input capacitor 3, and the colelctor electrode of transistor seconds is connected to former limit earth potential; First frequency circuit for generating 30, comprise the first phaselocked loop 31, it is connected to crystal oscillator 99; First low pass filter 32, is connected to the outfan of the first phaselocked loop 31; First voltage controlled oscillator 33, is connected to the first low pass filter 32 outfan, and its outfan is connected to the outfan output frequency control signal f1 of the first amplifier 35, first amplifier 35 and is connected to the control end of described first switch driver 13; First diode 14, its anode is connected to transformer secondary winding first end, and its negative electrode is connected to output filter 17; Output filter 17 comprises the first inducer 15 and the first capacitor 16, first inducer 15 is connected to the negative electrode of described first diode 14, the other end that the common port of the first inducer and the first capacitor is connected to the second electric connector 4, first capacitor 16 is connected to secondary earth potential.
The physiological feature supervising device that Switching Power Supply of the present invention is powered also comprises dsp processor, and dsp processor is connected with described bluetooth module.Built-in dsp processor, is convenient to the renewal of later stage system, and dsp processor can have very strong compatibility to software upgrading.
Preferably, dsp processor is TMS320F2812 dsp processor.TMS320F2812 DSP, be 32 fixed DSPs, it has the AD data acquisition of EVA, EVB task manager and supporting 12 16 passages, has abundant Peripheral Interface, as CAN, SCI etc.The ADC module of TMS320F2812 is 12 bit resolutions, has the analog-digital converter of pipeline organization, the built-in dual-sampling hold circuit of TMS320F2812, and when keeping data acquisition, window has and independently calibrates control in advance.And allow system to same Channel-shifted repeatedly, allow user to perform over-sampling algorithm, this more traditional single transformation result adds more solution, is conducive to the precision improving sampling.There is multiple trigger source can start ADC conversion.Conversion time fast, ADC clock can be configured to 25MHz, and the highest sampling bandwidth is 12.5MSPS.When building data collecting system with TMS320F2812, need not external ADC, avoid complicated hardware designs.
The physiological feature supervising device that Switching Power Supply of the present invention is powered is worn on wrist, conveniently wears; External sheath EVA material, waterproof, nontoxic, tasteless; Built-in dsp processor, is convenient to the renewal of system; Real-time detection old people's heart rate data and blood oxygen saturation data, state sends in time.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. a Switching Power Supply physiological feature supervising device of powering, it is characterized in that, entirety is ring-type, and its outer surface is that EVA material is coated, the embedded instrumental panel in position in ring, instrumental panel and be connected to the chain band looping main body be spliced at instrumental panel two ends;
Described instrumental panel also comprises battery and power converter module, and described power converter module comprises:
Transformator, comprise former limit winding and vice-side winding, former limit winding comprises first end and the second end, vice-side winding comprises first end and the second end, former limit winding first end is connected to the first electric connector and input capacitor, vice-side winding second end is connected to secondary earth potential, and former limit winding first end and vice-side winding second end are Same Name of Ends;
First switching tube, its source electrode is connected to transformer primary side winding second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver;
First switch driver, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, the emitter stage of the first transistor and transistor seconds links together as outfan, and the colelctor electrode of the first transistor is connected to described input capacitor, and the colelctor electrode of transistor seconds is connected to former limit earth potential;
First frequency circuit for generating, comprise the first phaselocked loop, it is connected to crystal oscillator; First low pass filter, is connected to the outfan of the first phaselocked loop; First voltage controlled oscillator, be connected to the first low pass filter outfan, its outfan is connected to the first amplifier, and the outfan of the first amplifier is connected to the control end of described first switch driver;
First diode, its anode is connected to transformer secondary winding first end, and its negative electrode is connected to output filter;
Output filter comprises the first inducer and the first capacitor, and the first inducer is connected to the negative electrode of described first diode, and the common port of the first inducer and the first capacitor is connected to the second electric connector, and the other end of the first capacitor is connected to secondary earth potential;
Described first electric connector is connected to battery, and the second electric connector is outfan;
Described instrumental panel also comprises mini vibrator, audio player, cardiotachometer and oximeter, and cardiotachometer and oximeter are arranged on the instrumental panel back side and skin contact, by GPRS module, heart rate and oximetry data is transferred to fixed point mobile phone terminal;
Described cardiotachometer comprises the enumerator that the green diode being arranged on described instrument panel shell lower surface, the sensor devices receiving reflected light and the frequency to the signal of telecommunication that photo-sensitive cell exports detect;
Described oximeter is included in two LED and second photo-sensitive cell of skin contact part setting, two LED export the light beam of fixed wave length, second photo-sensitive cell gathers the light returned through skin, tissue, blood diffuse reflectance, and the light intensity representing oximetry value is converted to the signal of telecommunication;
Dsp processor processes the heart rate value that oximetry value sum counter exports, and exports the heart rate data through the reference format of ovennodulation and blood oxygen saturation data;
The heart rate data that dsp processor exports by GPRS module and blood oxygen saturation data are transferred to fixed point mobile phone terminal by GPRS network; GPRS module receives the request signal of fixed point mobile phone terminal, and is pointed out by mini vibrator and audio player; Instrumental panel is also provided with normal and emergency alarm button, by GPRS module, respective keys operation is sent to fixed point mobile phone terminal.
2. the Switching Power Supply as claimed in claim 1 physiological feature supervising device of powering, it is characterized in that, described dsp processor is TMS320F2812 dsp processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503811.3A CN104274167A (en) | 2014-09-28 | 2014-09-28 | Physiological feature monitoring device powered by switching-mode power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503811.3A CN104274167A (en) | 2014-09-28 | 2014-09-28 | Physiological feature monitoring device powered by switching-mode power supply |
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| Publication Number | Publication Date |
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| CN104274167A true CN104274167A (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410503811.3A Pending CN104274167A (en) | 2014-09-28 | 2014-09-28 | Physiological feature monitoring device powered by switching-mode power supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109004846A (en) * | 2018-09-06 | 2018-12-14 | 深圳市依崇微电子科技有限公司 | The frequency-shift keying circuit of low standby power loss |
| WO2019022670A1 (en) * | 2017-07-26 | 2019-01-31 | Nitto Denko Corporation | Photoplethysmography (ppg) apparatus and method for determining physiological changes |
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Patent Citations (4)
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| CN103529684A (en) * | 2012-07-03 | 2014-01-22 | 好爸爸高科技集团有限公司 | Intelligent health watch for automatically measuring and recording health data and intelligent health system |
| CN104000571A (en) * | 2014-06-12 | 2014-08-27 | 成都艾克尔特医疗科技有限公司 | Bracelet capable of collecting multi-parameter health indexes |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019022670A1 (en) * | 2017-07-26 | 2019-01-31 | Nitto Denko Corporation | Photoplethysmography (ppg) apparatus and method for determining physiological changes |
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| CN109004846B (en) * | 2018-09-06 | 2020-08-21 | 深圳市依崇微电子科技有限公司 | Digital frequency modulation circuit with low standby power consumption |
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Application publication date: 20150114 |