CN1672629A - USB-based multiple physiological parameter detecting system - Google Patents
USB-based multiple physiological parameter detecting system Download PDFInfo
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- CN1672629A CN1672629A CN200510013384.1A CN200510013384A CN1672629A CN 1672629 A CN1672629 A CN 1672629A CN 200510013384 A CN200510013384 A CN 200510013384A CN 1672629 A CN1672629 A CN 1672629A
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Abstract
The USB-based multiple physiological parameter detecting system includes physiological signal amplifying and processing circuit, multiple channel A/D converter, CPU microprocessor, optical or magnetic coupler circuit, USB interface and isolated DC/DC power source. The present invention has simple structure, convenient use, many measured parameters and use safety owing to the signal and power supply isolating technology. The full utilization of the data processing, displaying and storing functions of PC makes it possible to use the system of the present invention in measuring and observing electrocardiac, blood pressure and other physiological signals and transmitting the signals via network to doctor or hospital.
Description
Technical field
The present invention relates to medical instrument, especially a kind of multiple physio-parameter detection system that is applied to family and hospital.
Background technology
Inspections such as electrocardio, blood pressure, blood oxygen and body temperature have important use and are worth in medical research and clinical diagnosis.Along with people improve day by day to the attention of health, increasing people wish to realize in family the measurement of physiological parameters such as electrocardio, blood pressure, blood oxygen and body temperature.Computer universal day by day makes the powerful calculating that might utilize computer, detection, processing, demonstration and the transmission that processing capacity realizes physiological parameter.As the fair and clear Chinese utility model patent ZL02289498.5 that waits design, multichannel AD harvester based on USB, a kind of improvement to original AD data acquisition unit based on the ISA interface, mainly comprise the usb circuit that is connected with PC, single machine unit circuit and A/D convertor circuit three parts and the device driver that can move under Windows98 and Windows2000 accordingly, said three partial circuits are installed on the interface card that can insert the PC usb bus.This harvester has effectively improved the data acquisition and processing (DAP) ability, saved the data acquisition time of host PC, circuit structure is simpler simultaneously, compares with existing multichannel AD harvester based on the ISA interface, have adaptive character easy to use, quick, very strong and be easy to characteristics such as realization.But still there is following deficiency in this utility model: the external physiological signal testing circuit of (1) needs; (2) bioelectrical detection circuits such as physiological signal testing circuit, particularly electrocardio are not isolated with host PC, do not meet the security requirement of medical instrument.
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, use convenient, safe and reliable multiple physio-parameter detection system based on USB.
In order to solve the problems of the technologies described above be, the multiple physio-parameter detection system based on USB of the present invention, it comprises, and the physiological signal simulation is amplified, modulate circuit, multipath A/D converter, the CPU microprocessor, light or magnetically coupled circuit, usb control circuit, USB interface and isolation DC/DC power supply; Described physiological signal simulation is amplified, the output signal of modulate circuit is input to described multipath A/D converter, mimic physiological signal converts digital signal to, described microprocessor CPU is used to control multipath A/D converter to be carried out analog digital conversion, physiological signal is handled, and by described light or magnetically coupled circuit and USB Output Interface Control circuit data is exported through USB interface; Power conversion, isolation back that described isolation DC/DC power supply is used for the USB mouth is provided provide power supply for system.
Described physiological signal simulation is amplified, modulate circuit, can be the electrocardiosignal modulate circuit; Described physiological signal simulation is amplified, modulate circuit, can be the blood pressure signal modulate circuit; Described physiological signal simulation is amplified, modulate circuit, can be blood oxygen signal modulate circuit; Described physiological signal simulation is amplified, modulate circuit, can be the breath signal modulate circuit; Described physiological signal simulation is amplified, modulate circuit, can also be the body temperature signal conditioning circuit.
Described light or magnetically coupled circuit are photoelectrical coupler, are used for carrying out electric isolation with the PC computer.
Described light or magnetically coupled circuit are magnetic coupler.
Compared with prior art, the present invention has following beneficial effect: (one) the present invention is simple in structure, easy to use, measurable parameter is many; (2) owing to adopt signal and isolated from power technology, guaranteed the safety of using; (3) make full use of PC date processing, demonstration and memory function,, make things convenient for the user to measure and observe physiologic informations such as electrocardio, blood pressure whenever and wherever possible and be transferred to doctor or hospital by network.
Description of drawings
Fig. 1 is the block diagram that the present invention is based on the multiple physio-parameter detection system of USB.
Reference numeral:
110 is that electrocardiosignal modulate circuit 120 is blood oxygen signal modulate circuit for blood pressure signal modulate circuit 130
140 is that breath signal modulate circuit 150 is multipath A/D converter for body temperature signal conditioning circuit 210
220 is that microprocessor (CPU) 300 is that light or magnetically coupled circuit 400 are usb control circuit
500 is driven-right-leg circuit
The specific embodiment
Below in conjunction with accompanying drawing the present invention is elaborated.
The present invention is based on the embodiment one of the multiple physio-parameter detection system of USB:
As shown in Figure 1, electrocardiosignal modulate circuit 110 is used for detection and amplifies, exports electrocardiosignal, blood pressure signal modulate circuit 120 is used for detection and amplifies, exports blood pressure signal, blood oxygen signal modulate circuit 130 is used for detection and amplifies, exports the blood oxygen signal, breath signal modulate circuit 140 is used for detection and amplifies, exports breath signal, body temperature signal conditioning circuit 150 is used for detection and amplifies, exports the body temperature signal, these signals are input to multipath A/D converter 210, and mimic physiological signal converts digital signal to.Little CPU processor 220 control multipath A/D converters carry out analog digital conversion, physiological signal are handled, and by light or magnetically coupled circuit 300 and usb control circuit 400 data are delivered among the PC through USB interface 500 then.Power conversion, isolation back that isolating DC/DC power supply 600 provides the USB mouth provide power supply for system.
Multipath A/D converter 210 and CPU microprocessor 220 adopt microcontroller or the little converter chip that is integrated with multipath A/D converter: the ADuC841 of U.S. ADI company or the C8051F005 of SILABS company.
Light or magnetically coupled circuit 300 adopt the magnetic isolating device ADUM1201 of photoelectrical coupler 4N136 or U.S. ADI company.
Isolate DC/DC power supply 600 and adopt 5D5/80.Isolate the DC/DC power supply adopt input 5V, output+/-device of 5V.
Claims (8)
1, a kind of multiple physio-parameter detection system based on USB is characterized in that, it comprises, and the physiological signal simulation is amplified, modulate circuit, multipath A/D converter, the CPU microprocessor, light or magnetically coupled circuit, usb control circuit, USB interface and isolation DC/DC power supply; Described physiological signal simulation is amplified, the output signal of modulate circuit is input to described multipath A/D converter, mimic physiological signal converts digital signal to, described microprocessor CPU is used to control multipath A/D converter to be carried out analog digital conversion, physiological signal is handled, and by described light or magnetically coupled circuit and USB Output Interface Control circuit data is exported through USB interface; Power conversion, isolation back that described isolation DC/DC power supply is used for the USB mouth is provided provide power supply for system.
2, the multiple physio-parameter detection system based on USB according to claim 1 is characterized in that, described physiological signal simulation is amplified, modulate circuit, is the electrocardiosignal modulate circuit, is used for detection and amplifies, exports electrocardiosignal.
3, the multiple physio-parameter detection system based on USB according to claim 1 is characterized in that, described physiological signal simulation is amplified, modulate circuit, is the blood pressure signal modulate circuit, is used for detection and amplifies, exports blood pressure signal.
4, the multiple physio-parameter detection system based on USB according to claim 1 is characterized in that, described physiological signal simulation is amplified, modulate circuit, is blood oxygen signal modulate circuit, is used for detection and amplifies, exports the blood oxygen signal.
5, the multiple physio-parameter detection system based on USB according to claim 1 is characterized in that, described physiological signal simulation is amplified, modulate circuit, is the breath signal modulate circuit, is used for detection and amplifies, exports breath signal.
6, the multiple physio-parameter detection system based on USB according to claim 1 is characterized in that, described physiological signal simulation is amplified, modulate circuit, is the body temperature signal conditioning circuit, is used for detection and amplifies, exports the body temperature signal.
7, the multiple physio-parameter detection system based on USB according to claim 1 is characterized in that described light or magnetically coupled circuit are photoelectrical coupler, is used for carrying out electric isolation with the PC computer.
8, the multiple physio-parameter detection system based on USB according to claim 1 is characterized in that, described light or magnetically coupled circuit are magnetic coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510013384.1A CN1672629A (en) | 2005-04-29 | 2005-04-29 | USB-based multiple physiological parameter detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510013384.1A CN1672629A (en) | 2005-04-29 | 2005-04-29 | USB-based multiple physiological parameter detecting system |
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| CN1672629A true CN1672629A (en) | 2005-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200510013384.1A Pending CN1672629A (en) | 2005-04-29 | 2005-04-29 | USB-based multiple physiological parameter detecting system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518439B (en) * | 2009-03-24 | 2011-01-05 | 重庆大学 | Cardiac function detecting system based on cardiac sound and electrocardiogram |
| CN101536900B (en) * | 2009-03-24 | 2011-06-29 | 重庆大学 | Method and system for constructing modular medical instrument based on USB HUB |
| CN102908151A (en) * | 2012-11-05 | 2013-02-06 | 北京超思电子技术股份有限公司 | Blood oxygen measuring instrument capable of measuring body temperature |
| CN103750834A (en) * | 2014-02-13 | 2014-04-30 | 重庆海睿科技有限公司 | Electrocardiosignal collecting wire |
| CN113679348A (en) * | 2021-08-26 | 2021-11-23 | 平安国际智慧城市科技股份有限公司 | Blood glucose prediction method, blood glucose prediction device, blood glucose prediction apparatus, and storage medium |
-
2005
- 2005-04-29 CN CN200510013384.1A patent/CN1672629A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518439B (en) * | 2009-03-24 | 2011-01-05 | 重庆大学 | Cardiac function detecting system based on cardiac sound and electrocardiogram |
| CN101536900B (en) * | 2009-03-24 | 2011-06-29 | 重庆大学 | Method and system for constructing modular medical instrument based on USB HUB |
| CN102908151A (en) * | 2012-11-05 | 2013-02-06 | 北京超思电子技术股份有限公司 | Blood oxygen measuring instrument capable of measuring body temperature |
| CN103750834A (en) * | 2014-02-13 | 2014-04-30 | 重庆海睿科技有限公司 | Electrocardiosignal collecting wire |
| CN113679348A (en) * | 2021-08-26 | 2021-11-23 | 平安国际智慧城市科技股份有限公司 | Blood glucose prediction method, blood glucose prediction device, blood glucose prediction apparatus, and storage medium |
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