CN203873743U - Portable pulse and blood pressure detection device - Google Patents
Portable pulse and blood pressure detection device Download PDFInfo
- Publication number
- CN203873743U CN203873743U CN201420316463.4U CN201420316463U CN203873743U CN 203873743 U CN203873743 U CN 203873743U CN 201420316463 U CN201420316463 U CN 201420316463U CN 203873743 U CN203873743 U CN 203873743U
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- blood pressure
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model discloses a portable pulse and blood pressure detection device. The portable pulse and blood pressure detection device is designed with a high-performance embedded controller with an ARM9 framework as the core according to the sensor technology and the LCD liquid crystal display technology. The portable pulse and blood pressure detection device is commonly composed of an embedded application circuit (1), a pulse sensor detection circuit (2), a blood pressure sensor module (3), an LCD liquid crystal display (4) and a power module (5). Fingertip pulse signal non-invasive detection is achieved through an infrared photodiode sensor, blood pressure detection is achieved through a pressure sensor integrated chip, detected blood pressure and pulse values are displayed in real time through the LED liquid crystal display, and power is supplied through a lithium battery. The portable pulse and blood pressure detection device has the obvious advantages of being reliable in performance, high in practicability, easy to operate, flexible and convenient to use and the like.
Description
Technical field
This utility model relates to embedded controller technology, sensor detecting, amplifier application technology, LCD LCD Technology, especially a kind of Portable pulse, blood pressure detector.
Background technology
Pulse, blood pressure are the most important physiological parameters of reflection cardiovascular system, and along with the raising of people's living standard, people's healthy sense of self-protection improves constantly; Along with the development of noinvasive noncontacting proximity sensor and embedded technology, miniaturization, low cost electronic pulsimeter, sphygomanometer are favored by each family.Infrared light emitting diode, infrared receiver diode are one pulse detection sensors cheaply.MPXV5050GP pressure transducer is the pressure transducer that motorola inc produces, signal amplifier is contained in its inside, there is signal conditioning functions, there is the good linearity, can directly arterial blood be converted to the signal of telecommunication of 0.2～4.7V to the pressure of blood vessel wall, corresponding pressure value is 0～375mmHg, can directly apply to blood pressure and detect.
It is that the Technology design such as core combined sensor go out a kind of Portable pulse, blood pressure detector that this device adopts S3C2440 embedded controller.
Summary of the invention
The purpose of this utility model is to provide a kind of Portable pulse, blood pressure detector, realizing finger tip pulse signal non-intrusion type by infrared photodiode sensor detects, realize blood pressure by pressure transducer integrated chip and detect, show in real time blood pressure, the pulse value of detection by LCD liquid crystal display; Adopt lithium battery power supply, flexible and convenient to use, for family provides a kind of Portable pulse, blood pressure detector of high performance-price ratio.
This utility model solves the technical scheme that its technical problem adopts: it is core combined sensor technology that this utility model adopts the high-performance embedded controller of ARM9 framework, LCD LCD Technology designs, by Embedded Application circuit (1), pulse transducer testing circuit (2), pressure transducer module (3), LCD liquid crystal display (4), power module (5) forms jointly, it is characterized in that: by S3C2440 embedded controller, two K4X1G163PC-FGC6 memorizeies are connected into the SDRAM of 2Gb capacity, the NAND Flash that a slice K9GAG08U0E-S memorizer is connected into 16Gb capacity forms Embedded Application circuit (1) jointly, by IR333 infrared light emitting diode, BPW83 infrared receiver diode, MCP6281 amplifier, UA741 voltage comparator forms pulse transducer testing circuit (2) jointly, form pressure transducer module (3) by MPXV5050GP chip, by AT070TN83V1 module composition LCD liquid crystal display (4), by 12V lithium battery, LM2596-5 chip, AM1117-3.3 chip forms power module (5) jointly, IR333 infrared light emitting diode and BPW83 infrared receiver diode are placed in and refer to the upper and lower two ends of folder, IR333 infrared light emitting diode sends 940nm wavelength infrared light, the output of BPW83 infrared receiver diode two ends changes synperiodic pulse voltage of reaction with pulse, this pulse voltage signal is delivered to second of MCP6281 amplifier, three ports, MCP6281 amplifier is connected into in-phase proportion amplifier, the 6th port of MCP6281 amplifier connects the 3rd port of UA741 voltage comparator, UA741 voltage comparator the 6th port connects the GPG1 port of S3C2440 embedded controller, realize pulse detection, the AIN1 port of S3C2440 embedded controller connects the 4th port of MPXV5050GP module, realizes blood pressure and detects, the LCD control interface of S3C2440 embedded controller, data-interface connect control port, the FPDP of AT070TN83V1 module, realize measured value and show, the output port of 12V lithium battery connects the input port of LM2596-5 chip, the output port of LM2596-5 chip connects the input port of AM1117-3.3 chip, and the output port that provides 5V DC voltage, AM1117-3.3 chip for device by the output port of LM2596-5 chip provides 3.3V DC voltage for device.
The beneficial effects of the utility model are: for family provides a kind of Portable pulse, blood pressure detector, adopting the high-performance embedded controller of ARM9 framework is that core combined sensor technology, LCD LCD Technology design, by infrared photodiode sensor, realize finger tip pulse non-intrusion type and detect; By pressure transducer integrated chip, realize blood pressure and detect; Device has dependable performance, the distinguishing feature such as practical, simple to operate, flexible and convenient to use.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model will be further described.
Fig. 1 is this utility model circuit block diagram, 1. Embedded Application circuit in figure, 2. pulse transducer testing circuit, 3. pressure transducer module, 4.LCD liquid crystal display, 5. power module.
Detailed description of the invention
Jointly formed by Embedded Application circuit (1), pulse transducer testing circuit (2), pressure transducer module (3), LCD liquid crystal display (4), power module (5) referring to accompanying drawing 1 this utility model.
Be connected into the SDRAM of 2Gb capacity, the NAND Flash that a slice K9GAG08U0E-S memorizer is connected into 16Gb capacity and jointly form Embedded Application circuit (1) by S3C2410 embedded controller, two K4X1G163PC-FGC6 memorizeies.
By IR333 infrared light emitting diode, BPW83 infrared receiver diode, MCP6281 amplifier, UA741 voltage comparator forms pulse transducer testing circuit (2) jointly, IR333 infrared light emitting diode and BPW83 infrared receiver diode are placed in and refer to the upper and lower two ends of folder, IR333 infrared light emitting diode sends 940nm wavelength infrared light, through blood absorption and the decay of finger tissue, the output of BPW83 infrared receiver diode two ends changes synperiodic pulse voltage of reaction with pulse, this pulse voltage signal is delivered to second of MCP6281 amplifier, three ports, MCP6281 amplifier is connected into in-phase proportion amplifier, the 6th port of MCP6281 amplifier connects the 3rd port of UA741 voltage comparator, UA741 voltage comparator the 6th port connects the GPG1 port of S3C2440 embedded controller, GPG1 port is the input port of the external interrupt enumerator of S3C2440 embedded controller, thereby realize pulse detection.
Form pressure transducer module (3) by MPXV5050GP chip, the integrated X-type voltage sensitive sensor of MPXV5050GP chip internal, revises the resnstance transformer network of output error size, an amplifier, an output circuit for one.Normal work is, first the measured pressure signal of sensor is converted into voltage signal, then by resnstance transformer network, this voltage signal is compensated, make itself and the signal recording meet certain linear relationship, can meet the signal demand of ADC conversion, finally by crossing amplifier, voltage signal is amplified, by module the 4th port output analog voltage.The AIN1 port of S3C2440 embedded controller is the 4th port that analog digital conversion input port connects MPXV5050GP chip, detects thereby realize blood pressure.
By AT070TN83V1 module composition liquid crystal touch screen (4), the LCD control interface of S3C2440 embedded controller, data-interface connect control port, the FPDP of AT070TN83V1 module, realize measured value and show.
Jointly form power module (6) by 12V lithium battery, LM2596-5 chip, AM1117-3.3 chip, 12V lithium battery provides electric energy for device, LM2596-5 chip converts 12V DC voltage to 5V DC voltage, and AM1117-3.3 chip converts 5V DC voltage to 3.3V DC voltage; The output port of 12V lithium battery connects the input port of LM2596-5 chip, the output port of LM2596-5 chip connects the input port of AM1117-3.3 chip, and the output port that provides 5V DC voltage, AM1117-3.3 chip for device by the output port of LM2596-5 chip provides 3.3V DC voltage to device each several part circuit supply for device.
Claims (1)
1. a Portable pulse, blood pressure detector, by Embedded Application circuit (1), pulse transducer testing circuit (2), pressure transducer module (3), LCD liquid crystal display (4), power module (5) forms jointly, it is characterized in that: a). by S3C2440 embedded controller, two K4X1G163PC-FGC6 memorizeies are connected into the SDRAM of 2Gb capacity, the NAND Flash that a slice K9GAG08U0E-S memorizer is connected into 16Gb capacity forms Embedded Application circuit (1) jointly, by IR333 infrared light emitting diode, BPW83 infrared receiver diode, MCP6281 amplifier, UA741 voltage comparator forms pulse transducer testing circuit (2) jointly, form pressure transducer module (3) by MPXV5050GP chip, by AT070TN83V1 module composition LCD liquid crystal display (4), by 12V lithium battery, LM2596-5 chip, AM1117-3.3 chip forms power module (5) jointly, b) .IR333 infrared light emitting diode and BPW83 infrared receiver diode are placed in and refer to the upper and lower two ends of folder, IR333 infrared light emitting diode sends 940nm wavelength infrared light, the output of BPW83 infrared receiver diode two ends changes synperiodic pulse voltage of reaction with pulse, this pulse voltage signal is delivered to second of MCP6281 amplifier, three ports, MCP6281 amplifier is connected into in-phase proportion amplifier, the 6th port of MCP6281 amplifier connects the 3rd port of UA741 voltage comparator, UA741 voltage comparator the 6th port connects the GPG1 port of S3C2440 embedded controller, realize pulse detection, c) the AIN1 port of .S3C2440 embedded controller connects the 4th port of MPXV5050GP module, realizes blood pressure and detects, d) LCD control interface, the data-interface of .S3C2440 embedded controller connect control port, the FPDP of AT070TN83V1 module, realize measured value and show, e) output port of .12V lithium battery connects the input port of LM2596-5 chip, the output port of LM2596-5 chip connects the input port of AM1117-3.3 chip, and the output port that provides 5V DC voltage, AM1117-3.3 chip for device by the output port of LM2596-5 chip provides 3.3V DC voltage for device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420316463.4U CN203873743U (en) | 2014-06-10 | 2014-06-10 | Portable pulse and blood pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420316463.4U CN203873743U (en) | 2014-06-10 | 2014-06-10 | Portable pulse and blood pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203873743U true CN203873743U (en) | 2014-10-15 |
Family
ID=51674305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420316463.4U Expired - Fee Related CN203873743U (en) | 2014-06-10 | 2014-06-10 | Portable pulse and blood pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203873743U (en) |
-
2014
- 2014-06-10 CN CN201420316463.4U patent/CN203873743U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20150610 |
|
| EXPY | Termination of patent right or utility model |