CN204971254U - Be applied to blood pressure acquisition circuit of individual portable equipment - Google Patents
Be applied to blood pressure acquisition circuit of individual portable equipment Download PDFInfo
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- CN204971254U CN204971254U CN201520430575.7U CN201520430575U CN204971254U CN 204971254 U CN204971254 U CN 204971254U CN 201520430575 U CN201520430575 U CN 201520430575U CN 204971254 U CN204971254 U CN 204971254U
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- amplifier
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- divider resistance
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The utility model provides a be applied to blood pressure acquisition circuit of individual portable equipment, pressure sensor's signal output part connects the first input end of first amplifier, the output connection director's of first amplifier static force signal input part, the second input of first amplifier is still connected to the output of first amplifier through divider resistance, the second input of second amplifier, the output connection director's of second amplifier pulse heartbeat signal input part is connected to the output of first amplifier, the output of second amplifier still passes through to keep apart the second input of ohmic connection second amplifier, the first input end of second amplifier is through the divider resistance end of connecting, the thermistor network includes divider resistance, keeps apart electric capacity and thermistor, keep apart electric capacity and thermistor parallel connection, and the one end ground connection of the two, divider resistance's low level end, divider resistance's high electric blunt end ligation power end is connected to the other end. This acquisition circuit can reduce software compensation algorithm's complexity.
Description
Technical field
The technical program relates to a kind of medical supplies, and especially a kind of blood pressure Acquisition Circuit being applied to personal portable, belongs to electricity field.
Background technology
Individual's medical health equipment development in recent years is very fast, such as portable BOLD contrast, blood glucose meter, fetus-voice meter and electrocardiogram equipment etc.Because blood pressure detecting situation is special, in human body, noise signal is more, is difficult to record blood pressure values more accurately.Owing to needing to carry out software processes to the data recorded, so Measuring Time is also long.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the technical program proposes a kind of blood pressure Acquisition Circuit being applied to personal portable, comprises controller, pressure transducer, thermistor network and multiple amplifier;
The signal output part of pressure transducer connects the first input end of the first amplifier, the static pressure signal input part ADC0 of the outfan connection control device of the first amplifier; The outfan of the first amplifier also connects the second input of the first amplifier by divider resistance;
The outfan of the first amplifier connects the second input of the second amplifier, the pulse heartbeat signal input ADC1 of the outfan connection control device of the second amplifier; The outfan of the second amplifier also connects the second input of the second amplifier by isolation resistance; The first input end of the second amplifier connects power end by divider resistance;
Thermistor network comprises divider resistance, isolation capacitance and critesistor; Isolation capacitance and critesistor are connected in parallel, and one end ground connection of the two, the other end connects the low level end of divider resistance, and the high level end of divider resistance connects power end; The thermistor network measuring-signal input ADC2 of the low level end connection control device of divider resistance.
Compared with prior art; this Acquisition Circuit affecting the temperature factor of sensor, pulse heart beating factor considers interior; (backoff algorithm belongs to software engineering to be aided with backoff algorithm again; its mode realized is varied; and do not belong to utility model protection object), collection optimization on opportunity can be realized, simultaneously to the amplification of multi-signal; thus guarantee the accuracy of collection, reduce the complexity of software compensation algorithm.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present utility model.
Fig. 2 is pressure transducer of the present utility model and pressure signal processing circuit schematic diagram.
Fig. 3 is the principle schematic of thermistor network of the present utility model.
Detailed description of the invention
The technical program is further illustrated as follows below in conjunction with accompanying drawing and detailed description of the invention:
As Fig. 1,2 and 3, a kind of blood pressure Acquisition Circuit being applied to personal portable, is characterized in that comprising controller, pressure transducer, thermistor network and multiple amplifier;
The signal output part of pressure transducer connects the first input end of the first amplifier, the static pressure signal input part ADC0 of the outfan connection control device of the first amplifier; The outfan of the first amplifier also connects the second input of the first amplifier by divider resistance;
The outfan of the first amplifier connects the second input of the second amplifier, the pulse heartbeat signal input ADC1 of the outfan connection control device of the second amplifier; The outfan of the second amplifier also connects the second input of the second amplifier by isolation resistance; The first input end of the second amplifier connects power end by divider resistance;
Thermistor network comprises divider resistance, isolation capacitance and critesistor; Isolation capacitance and critesistor are connected in parallel, and one end ground connection of the two, the other end connects the low level end of divider resistance, and the high level end of divider resistance connects power end; The thermistor network measuring-signal input ADC2 of the low level end connection control device of divider resistance.
In this example, pressure transducer adopts the US9111-006 type pressure transducer module of 6 pins (in the Fig. 2).
Claims (1)
1. be applied to a blood pressure Acquisition Circuit for personal portable, it is characterized in that comprising controller, pressure transducer, thermistor network and multiple amplifier;
The signal output part of pressure transducer connects the first input end of the first amplifier, the static pressure signal input part ADC0 of the outfan connection control device of the first amplifier; The outfan of the first amplifier also connects the second input of the first amplifier by divider resistance;
The outfan of the first amplifier connects the second input of the second amplifier, the pulse heartbeat signal input ADC1 of the outfan connection control device of the second amplifier; The outfan of the second amplifier also connects the second input of the second amplifier by isolation resistance; The first input end of the second amplifier connects power end by divider resistance;
Thermistor network comprises divider resistance, isolation capacitance and critesistor; Isolation capacitance and critesistor are connected in parallel, and one end ground connection of the two, the other end connects the low level end of divider resistance, and the high level end of divider resistance connects power end; The thermistor network measuring-signal input ADC2 of the low level end connection control device of divider resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430575.7U CN204971254U (en) | 2015-06-19 | 2015-06-19 | Be applied to blood pressure acquisition circuit of individual portable equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430575.7U CN204971254U (en) | 2015-06-19 | 2015-06-19 | Be applied to blood pressure acquisition circuit of individual portable equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204971254U true CN204971254U (en) | 2016-01-20 |
Family
ID=55105690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520430575.7U Expired - Fee Related CN204971254U (en) | 2015-06-19 | 2015-06-19 | Be applied to blood pressure acquisition circuit of individual portable equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204971254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634731A (en) * | 2017-09-21 | 2018-01-26 | 南京信息职业技术学院 | High-precision blood pressure Acquisition Circuit |
-
2015
- 2015-06-19 CN CN201520430575.7U patent/CN204971254U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634731A (en) * | 2017-09-21 | 2018-01-26 | 南京信息职业技术学院 | High-precision blood pressure Acquisition Circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170223 Address after: Tianhe District Road, Guangzhou City, Guangdong province Huacheng road 510000 No. 2 building A398 room 4 Patentee after: Guangdong Dragon Electronic Technology Co. Ltd. Address before: Qixia District of Nanjing City, Jiangsu province 210000 horses Street purple Road No. 1 Building 5 Patentee before: NANJING PULSESPEAKER ELECTRONIC TECHNOLOGY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20210619 |