CN103156592B - Wireless optical electrocardio survey meter - Google Patents
Wireless optical electrocardio survey meter Download PDFInfo
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- CN103156592B CN103156592B CN201310109958.XA CN201310109958A CN103156592B CN 103156592 B CN103156592 B CN 103156592B CN 201310109958 A CN201310109958 A CN 201310109958A CN 103156592 B CN103156592 B CN 103156592B
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Abstract
The invention discloses a kind of wireless optical electrocardio survey meter, including photodiode, frequency-halving circuit, transport and placing device circuit, monostable flipflop circuit and single chip circuit, the signal that described photodiode produces successively through frequency-halving circuit, transport and placing device circuit, monostable flipflop circuit transmission to single chip circuit.By the detection of photodiode, and use single-chip microcomputer that data are processed, thus the cardiac electrical purpose of simple measurement accurately, because circuit is smaller, make that the equipment of wireless optical electrocardio survey meter is more convenient to be carried, thus reached detection accurately, efficiency purpose high and easy to carry.
Description
Technical field
The present invention relates to field of medical equipment, in particular it relates to a kind of wireless optical electrocardio survey meter.
Background technology
At present, the two kinds of pulsation rate of electrical and optical measurement is had to monitor.Electric pulse speed monitoring has
Having numerical heart rate transmitter, user is placed on front and measures, more inconvenient in strenuous exercise.
Light pulse rate monitor is by checking that the pulse of people is measured in the illumination of different optical sensors.Make
With photodiode or phototriode as sensor, detect according to the transmission or reflection light of skin.
The light of transmission or reflection is the least for the absorbance caused by the tissue of different blood contents
Change the most invisible (about 0.6%, it is seen that the skin of the mankind).It is thus desirable to effective is original
Signal carries out pretreatment.Existing optics heart rate detector needs to be worn in wrist when using.
Summary of the invention
It is an object of the invention to, for the problems referred to above, propose a kind of wireless optical electrocardio survey meter,
To realize the advantage that detection is accurate, efficiency is high.
For achieving the above object, the technical solution used in the present invention is:
A kind of wireless optical electrocardio survey meter include photodiode, frequency-halving circuit, transport and placing device circuit,
Monostable flipflop circuit and single chip circuit, the signal that described photodiode produces is successively through two points
Frequency circuit, transport and placing device circuit, monostable flipflop circuit transmission are to single chip circuit.
Further, described transport and placing device circuit comprises transport and placing device, the inverting input of described transport and placing device
Series resistance R5, in-phase input end parallel resistance R3 of described fortune transport and placing device and resistance R4, described electricity
Series capacitance C1 on resistance R3, series resistance between the first outfan of described transport and placing device and inverting input
R6, shunt capacitance C2 on described resistance R6, the second outfan of described transport and placing device passes through electric capacity C7
It is connected electrically on monostable flipflop circuit.
Further, described single chip circuit comprises single-chip microcomputer, and described single-chip microcomputer outfan RAO goes here and there
Connection light emitting diode D1 and resistance R10, the outfan of described single-chip microcomputer connects the wiring of 16 feet
Post, parallel resistance R11 and resistance R12 on this binding post.
Further, series resistance R2 and light emitting diode D2 on described single-chip microcomputer outfan RA2,
Described resistance R2 parallel resistance R1.
Technical scheme has the advantages that
The technical scheme detection by photodiode, and use single-chip microcomputer that data are carried out
Process, thus the cardiac electrical purpose of simple measurement accurately, because circuit is smaller so that wireless optical
The equipment of electrocardio survey meter is more convenient to be carried, it is possible to use at the most exposed skin, such as ear
Piece and finger, thus reached detection accurately, efficiency purpose high and easy to carry.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is the wireless optical electrocardio survey meter electrical circuit diagram described in the embodiment of the present invention；
Fig. 2 is the electrical circuit diagram of the filter circuit described in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that this place is retouched
The preferred embodiment stated is merely to illustrate and explains the present invention, is not intended to limit the present invention.
As it is shown in figure 1, a kind of wireless optical electrocardio survey meter include photodiode, frequency-halving circuit,
Transport and placing device circuit, monostable flipflop circuit and single chip circuit, the signal that photodiode produces depends on
Secondary through frequency-halving circuit, transport and placing device circuit, monostable flipflop circuit transmission to single chip circuit.
Wherein transport and placing device circuit comprises transport and placing device, inverting input series resistance R5 of transport and placing device, fortune
In-phase input end parallel resistance R3 of transport and placing device and resistance R4, series capacitance C1 on resistance R3, institute
State series resistance R6 between the first outfan of transport and placing device and inverting input, shunt capacitance on resistance R6
C2, the second outfan of transport and placing device is connected electrically on monostable flipflop circuit by electric capacity C7.Single
Sheet electromechanics road comprises single-chip microcomputer, and single-chip microcomputer outfan RAO connects light emitting diode D1 and resistance R10,
The outfan of single-chip microcomputer connects the binding post of 16 feet, parallel resistance R11 and electricity on this binding post
Resistance R12.Series resistance R2 and light emitting diode D2 on single-chip microcomputer outfan RA2, resistance R2 is in parallel
Resistance R1.
Transport and placing device circuit front-end can series filtering circuit, filter circuit as shown in Figure 2: include transport and placing device
Series resistance R23 between inverting input and the ground of U1, transport and placing device U1, the homophase of transport and placing device U1 is defeated
Enter the upper series electrical between series capacitance C21 and in-phase input end and the ground of electric capacity C22, transport and placing device U1 of end
Resistance R22, series resistance R21 and resistance R24, B between the inverting input of transport and placing device U1 and B node
Node is between electric capacity C21 and electric capacity C22.
Wireless optical electrocardio survey meter penetrates blood and blood vessel wall shape by red laser diode luminescence
Become certain weak reflection, be amplified being represented by waveform image and embodying the heart after receiving signal
The frequency jumped, thus calculate and shown by LED and carry this signal by wireless WIFI sensor
To the computer of far-end as patient care reference.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, it is not used to
Limit the present invention, although the present invention being described in detail with reference to previous embodiment, for ability
For the technical staff in territory, the technical scheme described in foregoing embodiments still can be repaiied by it
Change, or wherein portion of techniques feature is carried out equivalent.All the spirit and principles in the present invention it
In, any modification, equivalent substitution and improvement etc. made, should be included in protection scope of the present invention
Within.
Claims (3)
1. a wireless optical electrocardio survey meter, it is characterized in that, including photodiode, frequency-halving circuit, transport and placing device circuit, monostable flipflop circuit and single chip circuit, the signal that described photodiode produces is successively through frequency-halving circuit, transport and placing device circuit, monostable flipflop circuit transmission is to single chip circuit, transport and placing device circuit front-end series filtering circuit, filter circuit includes transport and placing device U1, series resistance R23 between inverting input and the ground of transport and placing device U1, series capacitance C21 and electric capacity C22 on the in-phase input end of transport and placing device U1, series resistance R22 between in-phase input end and the ground of transport and placing device U1, series resistance R21 and resistance R24 between the inverting input of transport and placing device U21 and B node, B node is between electric capacity C21 and electric capacity C22；
Described transport and placing device circuit comprises transport and placing device, inverting input series resistance R5 of described transport and placing device, in-phase input end parallel resistance R3 of described transport and placing device and resistance R4, series capacitance C1 on described resistance R3, series resistance R6 between the first outfan of described transport and placing device and inverting input, shunt capacitance C2 on described resistance R6, the second outfan of described transport and placing device is connected electrically on monostable flipflop circuit by electric capacity C7.
Wireless optical electrocardio survey meter the most according to claim 1, it is characterized in that, described single chip circuit comprises single-chip microcomputer, connect on described single-chip microcomputer outfan RAO light emitting diode D1 and resistance R10, the outfan of described single-chip microcomputer connects the binding post of 16 feet, parallel resistance R11 and resistance R12 on this binding post.
Wireless optical electrocardio survey meter the most according to claim 2, it is characterised in that series resistance R2 and light emitting diode D2 on described single-chip microcomputer outfan RA2, described resistance R2 parallel resistance R1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109958.XA CN103156592B (en) | 2013-03-29 | 2013-03-29 | Wireless optical electrocardio survey meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109958.XA CN103156592B (en) | 2013-03-29 | 2013-03-29 | Wireless optical electrocardio survey meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103156592A CN103156592A (en) | 2013-06-19 |
| CN103156592B true CN103156592B (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310109958.XA Active CN103156592B (en) | 2013-03-29 | 2013-03-29 | Wireless optical electrocardio survey meter |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10039457B2 (en) * | 2015-06-26 | 2018-08-07 | Intel Corporation | Electronic circuit with light sensor, variable resistance and amplifier |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4181134A (en) * | 1977-09-21 | 1980-01-01 | Mason Richard C | Cardiotachometer |
| CN202699130U (en) * | 2012-07-20 | 2013-01-30 | 王佐 | Portable electrocardiogram monitoring alarm apparatus |
| CN102973259A (en) * | 2012-11-30 | 2013-03-20 | 刘庆国 | Photoelectric heart rate measuring circuit |
| CN203122394U (en) * | 2013-03-29 | 2013-08-14 | 无锡盟欣智能科技有限公司 | Wireless optical electrocardio detector |
-
2013
- 2013-03-29 CN CN201310109958.XA patent/CN103156592B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4181134A (en) * | 1977-09-21 | 1980-01-01 | Mason Richard C | Cardiotachometer |
| CN202699130U (en) * | 2012-07-20 | 2013-01-30 | 王佐 | Portable electrocardiogram monitoring alarm apparatus |
| CN102973259A (en) * | 2012-11-30 | 2013-03-20 | 刘庆国 | Photoelectric heart rate measuring circuit |
| CN203122394U (en) * | 2013-03-29 | 2013-08-14 | 无锡盟欣智能科技有限公司 | Wireless optical electrocardio detector |
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| Publication number | Publication date |
|---|---|
| CN103156592A (en) | 2013-06-19 |
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Effective date of registration: 20160926 Address after: 518000, No. 12, building 04, overseas student building, 29 South Ring Road, Nanshan District hi tech Zone, Guangdong, Shenzhen Applicant after: The glad Science and Technology Ltd. of Shenzhen Ying Meng Address before: 214174 Tsinghua innovation building, No. 1, wisdom road, Huishan District, Jiangsu, Wuxi A1311 Applicant before: Wuxi Mengxin Intelligent Science & Technology Co., Ltd. |
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