CN201912069U - Portable pulse wave detector - Google Patents
Portable pulse wave detector Download PDFInfo
- Publication number
- CN201912069U CN201912069U CN2010201951285U CN201020195128U CN201912069U CN 201912069 U CN201912069 U CN 201912069U CN 2010201951285 U CN2010201951285 U CN 2010201951285U CN 201020195128 U CN201020195128 U CN 201020195128U CN 201912069 U CN201912069 U CN 201912069U
- Authority
- CN
- China
- Prior art keywords
- circuit
- chip microcomputer
- liquid crystal
- pulse
- detection instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model relates to a portable pulse wave detector on the basis of a piezoelectric sensor, which uses a singlechip as a core. The piezoelectric sensor converts jumping of pulse waves of an objected to be detected into a weak electric signal; a medical integrated amplifier is adopted to carry out primary and secondary signal amplification; a second order lowpass filtering circuit is used to remove spurious signals; the obtained signal is shaped; and then the signal is subjected to analog-to-digital conversion. A digital signal is compared for carrying out pulse wave counting by a software method. The pulse rate is displayed by a liquid crystal.
Description
(1) technical field
This utility model relates to the electronic medical equipment technical field, is specially a kind of portable pulse detection instrument.
(2) background technology
Pulse contains a large amount of important informations of reflection human heart and blood vessel state.Measuring pulse is doctor's important diagnostic means.Developed at present the multiple Medical Instruments of collection, record and identification pulse signal, wrist carried electronic sphygmograph as adopts pressure sensor, adopt the electropulsograph of piezoresistance sensor, adopt the photoelectricity positive displacement sphygmometer of electro-optical pickoff, adopt the pulse pick device of microphone, the pulse condition detection device of using ultrasound ripple Doppler detection technique etc., even the pulse-tracing collection analytical system that adopts the array-type sensor simulation traditional Chinese medical science to feel the pulse in addition.But existing pulse detection instrument cost is higher, volume is bigger, only is suitable for professional medical mechanisms such as hospital.
(3) utility model content
This utility model provides a kind of portable pulse detection instrument, gathers pulse signal with piezoelectric transducer, becomes digital signal to show the Pulse Rate of per minute with numeral on liquid crystal display screen through processing and amplifying, but the also display pulse waveform of beating, intuitive display, with low cost.
The portable pulse detection instrument of this utility model design, comprise pulse signal pick off and the amplification treatment circuit and the dc source that are connect, described pulse signal pick off is a piezoelectric transducer, amplification treatment circuit comprises amplifying circuit, filtering shaping circuit, analog to digital conversion circuit, single-chip microcomputer, single-chip microcomputer output termination liquid crystal display screen.Piezoelectric transducer output termination amplifying circuit inserts single-chip microcomputer through filtering shaping circuit and analog to digital conversion circuit afterwards, and single-chip microcomputer connects power supply, its output termination liquid crystal display screen.
Piezoelectric transducer is transformed into the faint signal of telecommunication to the beat pulse of object to be detected, and the faint signal of telecommunication of pick off gained obtains regular pulse wave after sending into amplifying circuit; Amplifying circuit connects filtering shaping circuit, carries out shaping and removes spurious signal; Send into analog to digital conversion circuit again, analog signal conversion is become digital signal; Digital signal is sent into single-chip microcomputer, software in the single-chip microcomputer relatively calculates beat pulse number of times in a minute to digital signal, send into the per minute Pulse Rate that liquid crystal display screen shows measurand at last, perhaps the change curve of display pulse signal voltage, i.e. beat pulse curve.
Described amplifying circuit, filtering shaping circuit, analog to digital conversion circuit, single-chip microcomputer is integrated in surface-mounted integrated circuit, and surface-mounted integrated circuit and dc source are installed in this detector shell.Piezoelectric transducer is close to inboard, shell bottom surface, and the shell bottom surface places person's to be detected tremulous pulse place during detection, and the tremulous pulse place as wrist or cervical region or arm or shank also can place left front.The end face setting-in liquid crystal display screen of shell is convenient to watch testing result.Power switch button that is connected with single-chip microcomputer and demonstration selector button are installed on by the end face liquid crystal display screen of shell.By showing that selector button selects liquid crystal display screen to show the per minute Pulse Rate, the perhaps display pulse curve of beating.
The advantage of the portable pulse detection instrument of this utility model design is: 1, liquid crystal display and user have set up good interactive interface, pulsation numeration error is not more than 1%, can measure frequency of pulse and heart rate quickly and accurately, be fit to professional medical mechanism and use, also be suitable for patient, the old man tests oneself; 2, use components and parts few, structure is simplified, and is easy to carry; 3, working stability is reliable, and little power consumption is energy-conservation; 4, easy to make, the cost performance height.
(4) description of drawings
Below in conjunction with drawings and Examples this utility model is further specified.
Fig. 1 is this portable pulse detection instrument embodiment electrical block diagram.
Fig. 2 is circuit theory diagrams of the present utility model
Fig. 3 is the front elevation of pulse detection instrument
Fig. 4 is the side view of pulse detection instrument
Among the figure, 1. be D/A converter module, 2. amplifier module, 3. filtration module, 4. amplifier module,
5 single-chip microcomputers, 6. LCD MODULE
(5) specific embodiment
This portable pulse detection instrument embodiment circuit block diagram as shown in Figure 1, comprise pulse signal pick off and the amplification treatment circuit and the dc source that are connect, described pulse signal pick off is a piezoelectric transducer, amplification treatment circuit comprises amplifying circuit, filtering shaping circuit, analog to digital conversion circuit, single-chip microcomputer, single-chip microcomputer output termination liquid crystal display screen.Piezoelectric transducer output termination amplifying circuit inserts single-chip microcomputer through filtering shaping circuit and analog to digital conversion circuit afterwards, and single-chip microcomputer connects power supply, its output termination liquid crystal display screen.
Amplifying circuit adopts medical integrated amplifier.
Filtering shaping circuit adopts the second-order low-pass filter circuit.
Dc source is a battery.
Surface-mounted integrated circuit and be installed in this detector shell as the battery of DC current.Piezoelectric transducer is close to inboard, shell bottom surface.The end face setting-in liquid crystal display screen of shell is convenient to watch testing result.Power switch button that is connected with single-chip microcomputer and demonstration selector button are installed on by the end face liquid crystal display screen of shell.
The foregoing description is the specific case that the purpose of this utility model, technical scheme and beneficial effect are further described only, and this utility model is not to be defined in this.All any modifications of within scope disclosed in the utility model, being made, be equal to replacement, improvement etc., all be included within the protection domain of the present utility model.
Claims (4)
1. portable pulse detection instrument comprises pulse signal pick off and the amplification treatment circuit and the dc source that are connect, it is characterized in that:
Described pulse signal pick off is a piezoelectric transducer, and amplification treatment circuit comprises amplifying circuit, filtering shaping circuit, analog to digital conversion circuit, single-chip microcomputer; Piezoelectric transducer output termination amplifying circuit inserts single-chip microcomputer through filtering shaping circuit and analog to digital conversion circuit afterwards, and single-chip microcomputer connects power supply, single-chip microcomputer output termination liquid crystal display screen.
2. portable pulse detection instrument according to claim 1 is characterized in that:
Described amplifying circuit, filtering shaping circuit, analog to digital conversion circuit, single-chip microcomputer is integrated in surface-mounted integrated circuit, and surface-mounted integrated circuit and dc source are installed in this detector shell; Piezoelectric transducer is close to inboard, shell bottom surface; The end face setting-in liquid crystal display screen of shell, power switch button that is connected with single-chip microcomputer and demonstration selector button are installed on by the end face liquid crystal display screen of shell.
3. portable pulse detection instrument according to claim 1 and 2 is characterized in that:
Described amplifying circuit is medical integrated amplifier.
4. portable pulse detection instrument according to claim 1 and 2 is characterized in that:
Described filtering shaping circuit is the second-order low-pass filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201951285U CN201912069U (en) | 2010-05-06 | 2010-05-06 | Portable pulse wave detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201951285U CN201912069U (en) | 2010-05-06 | 2010-05-06 | Portable pulse wave detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201912069U true CN201912069U (en) | 2011-08-03 |
Family
ID=44411888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201951285U Expired - Fee Related CN201912069U (en) | 2010-05-06 | 2010-05-06 | Portable pulse wave detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201912069U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103720462A (en) * | 2013-11-06 | 2014-04-16 | 路红生 | Pulse wave signal analyzing method and device |
| CN104706335A (en) * | 2013-12-17 | 2015-06-17 | 中国科学院苏州纳米技术与纳米仿生研究所 | Application of electronic skin to pulse detection and pulse detection system and method |
| CN106175718A (en) * | 2016-08-03 | 2016-12-07 | 成都汇智远景科技有限公司 | Wireless patch for physiology information detecting |
-
2010
- 2010-05-06 CN CN2010201951285U patent/CN201912069U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103720462A (en) * | 2013-11-06 | 2014-04-16 | 路红生 | Pulse wave signal analyzing method and device |
| CN104706335A (en) * | 2013-12-17 | 2015-06-17 | 中国科学院苏州纳米技术与纳米仿生研究所 | Application of electronic skin to pulse detection and pulse detection system and method |
| CN106175718A (en) * | 2016-08-03 | 2016-12-07 | 成都汇智远景科技有限公司 | Wireless patch for physiology information detecting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201127603Y (en) | Hand-hold electrocardioscanner | |
| CN204520675U (en) | A kind of wrist-motion and health control wrist-watch | |
| CN104545885A (en) | Patch type dynamic electrocardiograph recorder | |
| CN103431848B (en) | A kind of Portable passive sensor | |
| CN102293640A (en) | Blood oxygen, blood pressure and electrocardio measurement integral machine | |
| CN102860822A (en) | Wrist electrocardio blood pressure measurement device | |
| CN110840405A (en) | Manufacturing method of flexible array sensor and pulse condition detection system based on flexible array sensor | |
| CN201912069U (en) | Portable pulse wave detector | |
| CN103800073A (en) | Novel multifunctional medical diagnosis and measurement instrument for general practitioner | |
| CN204274444U (en) | Physiological signal sensing device | |
| CN103479382B (en) | A kind of sound transducer, based on the elctrocolonogram system of sound transducer and detection method | |
| CN205563118U (en) | A intelligent watch for measuring data are levied to multi -body | |
| CN205251573U (en) | Endothelial function aassessment detecting system based on FMD | |
| CN107334467A (en) | Blood pressure detecting wrist-watch | |
| CN110251108A (en) | Blood pressure measuring device based on electrocardio and pulse wave acoustic signals | |
| CN105212967A (en) | A kind of energy consumption of human body monitoring device and bracelet thereof | |
| CN105997095B (en) | Method and device for monitoring fetal movement in real time based on electrode array | |
| CN204863259U (en) | Multifunctional stethophone | |
| CN104188651B (en) | Electrocardiograph monitoring device and its control method | |
| CN203290890U (en) | Handheld type monitor | |
| CN201641992U (en) | USB graphical sphygmomanometer | |
| CN202942141U (en) | Fetus-voice meter | |
| CN205144602U (en) | Human energy consumption monitoring devices and bracelet thereof | |
| CN212165772U (en) | Blood pressure measuring device | |
| CN203314957U (en) | Fetal heart monitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20120506 |