CN201019742Y - Integration digital sphygmus sensor - Google Patents
Integration digital sphygmus sensor Download PDFInfo
- Publication number
- CN201019742Y CN201019742Y CNU2006201652376U CN200620165237U CN201019742Y CN 201019742 Y CN201019742 Y CN 201019742Y CN U2006201652376 U CNU2006201652376 U CN U2006201652376U CN 200620165237 U CN200620165237 U CN 200620165237U CN 201019742 Y CN201019742 Y CN 201019742Y
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- digital
- signal processor
- pulse
- digital signal
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Abstract
The utility model discloses an integrated digital pulse sensor, comprising a shell, and is characterized in that the shell is provided with a soft pressure transmission filter, below which a pressure sensor is arranged, and the output pulse signals of the pressure sensor are amplified by an amplifying circuit. The amplified signals are connected to a digital signal processor by a filtration wave circuit, and the digital signal processor realizes the digital processing and the digital filter of the pulse signals, and the signal output of the digital signal processor, which supplies power to the pressure sensor, connects to a communication interface circuit. The beneficial effects of the utility model are small volume, good consistency and long service life, and the utility model can be connected to such intelligent terminals as computers, PDAS and cell phones.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, specifically is a kind of integrated digital pulse pick off that is applied to Chinese medicine pulse collection and the test of noinvasive cardiovascular function.
Background technology
At present, known pressure pulse pick off all is employing traditional strain beam structure, analogue signal output, complex manufacturing, concordance is poor, service life is short, need the external signal treatment circuit to be not easy to the miniaturization of equipment, has limited the application of end product in some fields.
The utility model content
In order to overcome the deficiency of existing pressure pulse pick off, the utility model proposes a kind of integrated digital pulse pick off.
The technical scheme that its technical problem that solves this utility model adopts is:
Integrated digital pulse pick off, include shell, it is characterized in that being equipped with on the shell pliable pressure conduction implant, pliable pressure conduction implant below is installed with pressure transducer, the output pulse signal of pressure transducer amplifies through amplifying circuit, signal after the amplification is wave circuit incoming digital signal processor after filtration, and digital signal processor is to pulse signal digitized processing, digital filtering, and the output of the signal of digital signal processor is connected news and connect the product circuit; Digital signal processor carries out Self Adaptive Control to the power of pulse wave.
It is to change the output voltage of pressure transducer by change pressure transducer supply current that digital signal processor carries out Self Adaptive Control to the power of pulse wave, thereby realizes the Self Adaptive Control to the pulse wave of different powers.
Described pressure transducer is a diffusion silicon pressure sensor.
Described communication interface circuit is USB or 232 interface chips.
This utility model adopts diffusion silicon pressure sensor to gather pulse signal, amplifier by fixed gain amplifies, signal after the amplification inserts the single-chip digital processor by active filter, the power that digital processing unit comes automatic adaptation signal to pulse signal digitized processing, digital filtering, adjusting pressure transducer supply current is by USB or 232 interface chips output digital pulse signal.
This utility model adopts diffusion silicon pressure sensor to add the traditional strain beam structure of pliable pressure conduction implant replacement, and production technology is simple, high conformity; Integrated self-adapting signal amplifier, analog-digital converter, traffic filter, monolithic signal processor, USB or 232 numeral outputs have realized the miniaturization of product, have expanded the application of end product.
The beneficial effects of the utility model are, little, the high conformity of volume, and the life-span is long, can directly be connected with intelligent terminal such as computer, PDA, mobile phones.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further specified.
Fig. 1 is the vertical section structural map of embodiment of the present utility model.
Fig. 2 is a schematic block circuit diagram of the present utility model.
The specific embodiment
Among Fig. 1: 1. pliable pressure conducts implant, 2. pressure transducer, 3. shell, 4. electronic circuit board, 5. communication cable.
Integrated digital pulse pick off, include shell 3, pliable pressure conduction implant 1 is installed on the shell 3, pliable pressure conduction implant 1 below is installed with diffusion silicon pressure sensor 2, pulse pressure is transmitted to pressure transducer 2 by pliable pressure conduction implant 1, the output pulse signal of pressure transducer 2 amplifies through amplifying circuit, signal after the amplification is wave circuit incoming digital signal processor after filtration, digital signal processor is to the pulse signal digitized processing, digital filtering, the signal of digital signal processor is through USB or 232 interface chips or directly pass through communication cable 5 outputs; Digital signal processor provides power supply for pressure transducer.Each circuit is integrated on the electronic circuit board 4.
Digital signal processor C8051F330 finishes following work:
1. the analogue signal of input is carried out the A/D conversion.
2. pulse signal is carried out digital filtering, remove interfering signal.
3. the strong and weak difference of pulse wave is carried out Self Adaptive Control: brand-new control mode has been adopted in Self Adaptive Control of the present utility model, and traditional Self Adaptive Control is that the amplification that adopts programmable amplifier to change sensor output signal realizes.The cost height, device is difficult for miniaturization more.This utility model is that the controlled constant-current source that makes full use of digital signal processor inside to change the output voltage of pressure transducer to the pressure transducer power supply by the size that changes supply current, thereby realizes the Self Adaptive Control to the pulse wave of different powers.
4. the digital signal output that will handle.
Claims (3)
1. integrated digital pulse pick off, include shell, it is characterized in that being equipped with on the shell pliable pressure conduction implant, pliable pressure conduction implant below is installed with pressure transducer, the output pulse signal of pressure transducer amplifies through amplifying circuit, signal after the amplification is wave circuit incoming digital signal processor after filtration, and digital signal processor is to pulse signal digitized processing, digital filtering, and the output of the signal of digital signal processor is connected news and connect the product circuit; Digital signal processor carries out Self Adaptive Control to the power of pulse wave.
2. integrated digital pulsation pick off according to claim 1 is characterized in that described pressure transducer is a diffusion silicon pressure sensor.
3. integrated digital pulsation pick off according to claim 1 is characterized in that described communication interface circuit is USB or 232 interface chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201652376U CN201019742Y (en) | 2006-12-22 | 2006-12-22 | Integration digital sphygmus sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201652376U CN201019742Y (en) | 2006-12-22 | 2006-12-22 | Integration digital sphygmus sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201019742Y true CN201019742Y (en) | 2008-02-13 |
Family
ID=39087147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201652376U Expired - Fee Related CN201019742Y (en) | 2006-12-22 | 2006-12-22 | Integration digital sphygmus sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201019742Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102512145A (en) * | 2011-12-23 | 2012-06-27 | 李诚德 | Mobile phone sphygmograph |
| WO2012116575A1 (en) * | 2011-03-02 | 2012-09-07 | 上海道生医疗科技有限公司 | Transducer for measuring pulse beating blood pressure wave intensity and vessel width |
| CN106691404A (en) * | 2016-12-27 | 2017-05-24 | 合肥讯创信息科技有限公司 | Portable sphygmograph |
| CN106950000A (en) * | 2017-03-29 | 2017-07-14 | 深圳大学 | A kind of Pulse pressure sensor, chip, device, system and preparation method thereof |
| CN109974907A (en) * | 2019-03-15 | 2019-07-05 | 钛深科技(深圳)有限公司 | Integrated pliable pressure sensor of actively powering |
-
2006
- 2006-12-22 CN CNU2006201652376U patent/CN201019742Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012116575A1 (en) * | 2011-03-02 | 2012-09-07 | 上海道生医疗科技有限公司 | Transducer for measuring pulse beating blood pressure wave intensity and vessel width |
| CN102512145A (en) * | 2011-12-23 | 2012-06-27 | 李诚德 | Mobile phone sphygmograph |
| CN106691404A (en) * | 2016-12-27 | 2017-05-24 | 合肥讯创信息科技有限公司 | Portable sphygmograph |
| CN106950000A (en) * | 2017-03-29 | 2017-07-14 | 深圳大学 | A kind of Pulse pressure sensor, chip, device, system and preparation method thereof |
| CN109974907A (en) * | 2019-03-15 | 2019-07-05 | 钛深科技(深圳)有限公司 | Integrated pliable pressure sensor of actively powering |
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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: 20080213 Termination date: 20121222 |