CN104224194A - Health monitoring device powered up by switch power supply - Google Patents

Abstract

The invention provides a health monitoring device powered up by a switch power supply. The health monitoring device is characterized in that an instrument panel also comprises a micro vibrator, an audio player, a heart rate meter and a blood oxygen meter, wherein the heart rate meter and the blood oxygen meter are arranged on the surface, which is in contact with skin, of the back part of the instrument panel, and heart rate data and blood oxygen data can be transmitted to a fixed mobile phone terminal through a GPRS (General Packet Radio Service) module; the heart rate meter and the blood oxygen meter are arranged on the surface, which is in contact with the skin, of the back part of the instrument panel by adopting the same structure in a time-sharing multiplexing mode, and the structure comprises two LED (Light Emitting Diode) lamps which are arranged at a skin contact part and photosensitive elements; a DSP (Digital Signal Processor) is used for processing a blood oxygen saturation value and a heart rate value output by a counter and outputting modulated heart rate data and modulated blood oxygen saturation data in standard format.

Description

The health monitoring device that a kind of Switching Power Supply is powered

Technical field

The present invention relates to electronic applications, particularly a kind of Switching Power Supply health monitoring 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 health monitoring 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 health monitoring 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 and oximeter adopt the mode of same structure time-sharing multiplex, are arranged on the instrumental panel back side and skin contact, and this structure is included in two LED and the photo-sensitive cell of skin contact part setting;

Blood oxygen detecting pattern: two LED export the light beam of fixed wave length, and 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;

Heart rate detection pattern: two LED send illumination, photo-sensitive cell receives reflected light, and the frequency of enumerator to the signal of telecommunication that photo-sensitive cell exports of dsp processor counts, to obtain heart rate value;

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 TMS320F2812DSP processor.

The invention has the beneficial effects as follows:

(1) health monitoring 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 health monitoring device that Switching Power Supply of the present invention is powered;

Fig. 2 is the control circui block diagram of the health monitoring 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 health monitoring 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.

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 and oximeter adopt the mode of same structure time-sharing multiplex, are arranged on the instrumental panel back side and skin contact, and this structure is included in two LED and the photo-sensitive cell of skin contact part setting.

Blood oxygen detecting pattern: two LED export the light beam of fixed wave length, and 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.

Heart rate detection pattern: two LED send illumination, photo-sensitive cell receives reflected light, and the frequency of enumerator to the signal of telecommunication that photo-sensitive cell exports of dsp processor counts, to obtain heart rate value.

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 health monitoring 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 TMS320F2812DSP processor.TMS320F2812DSP, 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 health monitoring 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 health monitoring 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 and oximeter adopt the mode of same structure time-sharing multiplex, are arranged on the instrumental panel back side and skin contact, and this structure is included in two LED and the photo-sensitive cell of skin contact part setting;

Blood oxygen detecting pattern: two LED export the light beam of fixed wave length, and 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;

Heart rate detection pattern: two LED send illumination, photo-sensitive cell receives reflected light, and the frequency of enumerator to the signal of telecommunication that photo-sensitive cell exports of dsp processor counts, to obtain heart rate value;

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 health monitoring device of powering, it is characterized in that, described dsp processor is TMS320F2812DSP processor.