CN208958104U - A kind of intelligent sphygmomanometer - Google Patents
A kind of intelligent sphygmomanometer Download PDFInfo
- Publication number
- CN208958104U CN208958104U CN201821195514.7U CN201821195514U CN208958104U CN 208958104 U CN208958104 U CN 208958104U CN 201821195514 U CN201821195514 U CN 201821195514U CN 208958104 U CN208958104 U CN 208958104U
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- master controller
- connect
- pressure
- output end
- way splitter
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Abstract
The utility model provides a kind of intelligent sphygmomanometer, including four-way splitter, the main output end of four-way splitter is connect with the air bag in oversleeve, the primary input end of four-way splitter and the port of air pump connect, first branch's output end of four-way splitter and the air inlet of solenoid valve connect, second branch's output end of four-way splitter and the pressure interface of pressure sensor connect, the output end of pressure sensor is connect through signal processing circuit with the Sampling Interface of analog-digital converter inside master controller, digital signal progress operation after master controller converts analog-digital converter obtains blood-pressure measurement data, master controller and air pump, solenoid valve and liquid crystal display electrical connection, D.C. regulated power supply is connect with master controller and signal processing circuit respectively.The application blood pressure measurement precision is higher, and measurement process is simple, and measurement result can really reflect the actual blood pressure value of measurand, authentic and valid foundation can be provided for the prevention and diagnosis of disease, to provide help to anti-hypertension.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to a kind of intelligent sphygmomanometer.
Background technique
Blood pressure is the important parameter for measuring human body health indicator, and along with the fast development of modern society, people
Higher and higher to the degree of concern of health, the research in terms of blood pressure is also more and more deep.And how survey easily and effectively
It takes blood pressure, so that effective preventing hypertension, becomes the matter of utmost importance that people treat high blood pressure.However the accurate measurement of blood pressure
It is the premise of dysarteriotony reason quantitative analysis, because there are many factor for influencing human blood-pressure, such as volumetric blood, vascular sclerosis journey
Degree, cardiac function, endocrine, movement and mood etc., but have which factor actually, it influences to have actually much, it is necessary to rely on blood
The accurate measurement of pressure.
The utility model inventor has found that traditional sphygmomanometer be simulation sphygmomanometer such as mercury blood pressure
Meter, however the operation of such sphygmomanometer is more complicated, must take stethoscope by doctor when measurement every time and measure, thus survey
Amount process is more complicated, and measurement accuracy is not high, and affected by environment bigger, therefore the result measured is in some cases
It cannot really reflect the actual blood pressure value of measurand, authentic and valid foundation cannot be provided for the prevention and diagnosis of disease,
And then effective help is lacked to anti-hypertension for people.
Utility model content
More complicated for existing sphygmomanometer measurement process, measurement accuracy is not high, and affected by environment bigger, therefore
The result measured cannot really reflect the actual blood pressure value of measurand in some cases, cannot be the prevention and diagnosis of disease
The technical issues of providing authentic and valid foundation, and then lacking effective help to anti-hypertension for people, the utility model mentions
For a kind of intelligent sphygmomanometer.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of intelligent sphygmomanometer, including air pump, oversleeve, pressure sensor, solenoid valve, four-way splitter, signal processing electricity
Road, master controller, liquid crystal display and D.C. regulated power supply；The port of the air pump and the primary input end of four-way splitter connect
It connects, the air bag in the oversleeve is connect with the main output end of four-way splitter, the air inlet and four-way splitter of the solenoid valve
The connection of first branch's output end, second branch's output end of the pressure interface of the pressure sensor and four-way splitter connects
It connects, the output end of the pressure sensor and the input terminal of signal processing circuit connect, the output end of the signal processing circuit
It is connect with the Sampling Interface of analog-digital converter inside master controller, the number after the master controller converts analog-digital converter is believed
Number carry out operation obtain blood-pressure measurement data, the air pump, solenoid valve and liquid crystal display are electrically connected with master controller, it is described directly
Stream regulated power supply is connect with master controller and signal processing circuit respectively.
Compared with prior art, intelligent sphygmomanometer provided by the utility model passes through main controller controls air pump when use
Oversleeve is inflated and solenoid valve deflates to oversleeve, while the pressure signal in pressure sensor acquisition oversleeve, the pressure
Force signal is differential voltage signal, and differential voltage signal feeding signal processing circuit is amplified and is filtered later,
Treated, and analog voltage signal is sent into the analog-digital converter progress analog-to-digital conversion that master controller is internally integrated, and obtains digital voltage
Signal, the digital voltage signal carry out operation through master controller internal algorithm and obtain the pressure value of tested user, and master controller will
Obtained pressure value, which is sent in liquid crystal display, to be shown, so that user checks, D.C. regulated power supply gives master controller respectively
It powers with signal processing circuit.In the application will between oversleeve, air pump, solenoid valve and pressure sensor by four-way splitter into
Row connection thereby ensures that the circulation in systems that air pump institute inflatable body can seal is leaked without generating, and passes through electronics
Circuit and device carry out processing and operation to detection signal, thus blood pressure measurement precision is higher, and measurement process is fairly simple, substantially
It is not affected by environment, therefore measurement result can really reflect the actual blood pressure value of measurand, can be the prevention and diagnosis of disease
Authentic and valid foundation is provided, effective help is provided to anti-hypertension for people.
Further, connected between the four-way splitter and air pump, oversleeve, pressure sensor and solenoid valve using high-pressure rubber pipe
It connects.
Further, the pressure sensor selects pulse transducer.
Further, the master controller selects the microcontroller of STM32 series.
Further, the intelligent sphygmomanometer further includes the Bluetooth communication modules connecting with master controller output end.
Detailed description of the invention
Fig. 1 is intelligent sphygmomanometer architecture system block diagram provided by the utility model.
In figure, 1, air pump；2, oversleeve；3, pressure sensor；4, solenoid valve；5, four-way splitter；6, signal processing circuit；
7, master controller；8, liquid crystal display；9, D.C. regulated power supply；10, Bluetooth communication modules.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
In the description of the present invention, it should be understood that term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness
The side of the instructions such as degree ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.In the description of the present invention, unless otherwise indicated, " multiple " contain
Justice is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
It please refers to shown in Fig. 1, the utility model provides a kind of intelligent sphygmomanometer, including air pump 1, oversleeve 2, pressure sensor
3, solenoid valve 4, four-way splitter 5, signal processing circuit 6, master controller 7, liquid crystal display 8 and D.C. regulated power supply 9；It is described
The port of air pump 1 is connect with the primary input end of four-way splitter 5, the main output of the air bag in the oversleeve 2 and four-way splitter 5
End connection, the air inlet of the solenoid valve 4 are connect with first branch's output end of four-way splitter 5, the pressure sensor 3
Pressure interface is connect with second branch's output end of four-way splitter 5, output end and the signal processing electricity of the pressure sensor 3
The input terminal on road 6 connects, the output end of the signal processing circuit 6 and the Sampling Interface of 7 inside analog-digital converter of master controller
Connection, the digital signal progress operation after the master controller 7 converts analog-digital converter obtain blood-pressure measurement data, the gas
Pump 1, solenoid valve 4 and liquid crystal display 8 are electrically connected with master controller 7, the D.C. regulated power supply 9 respectively with master controller 7 and
Signal processing circuit 6 connects, to be respectively that master controller 7 and signal processing circuit 6 are powered.
Compared with prior art, intelligent sphygmomanometer provided by the utility model passes through main controller controls air pump when use
Oversleeve is inflated and solenoid valve deflates to oversleeve, while the pressure signal in pressure sensor acquisition oversleeve, the pressure
Force signal is differential voltage signal, and differential voltage signal feeding signal processing circuit is amplified and is filtered later,
Treated, and analog voltage signal is sent into the analog-digital converter progress analog-to-digital conversion that master controller is internally integrated, and obtains digital voltage
Signal, the digital voltage signal carry out operation through master controller internal algorithm and obtain the pressure value of tested user, and master controller will
Obtained pressure value, which is sent in liquid crystal display, to be shown, so that user checks, D.C. regulated power supply gives master controller respectively
It powers with signal processing circuit.In the application will between oversleeve, air pump, solenoid valve and pressure sensor by four-way splitter into
Row connection thereby ensures that the circulation in systems that air pump institute inflatable body can seal is leaked without generating, and passes through electronics
Circuit and device carry out processing and operation to detection signal, thus blood pressure measurement precision is higher, and measurement process is fairly simple, substantially
It is not affected by environment, therefore measurement result can really reflect the actual blood pressure value of measurand, can be the prevention and diagnosis of disease
Authentic and valid foundation is provided, effective help is provided to anti-hypertension for people.
As specific embodiment, between the four-way splitter 5 and air pump 1, oversleeve 2, pressure sensor 3 and solenoid valve 4
It is connected using high-pressure rubber pipe, it is possible thereby to guarantee the air-tightness of the system, so that 2 inflatable bodies of oversleeve can be strict
It circulates in system and is unlikely to leak.
As specific embodiment, the pressure sensor 3 selects existing pulse transducer, and the work of pulse transducer
For voltage using 5V direct current supply, which has good repeatability and prolonged job stability, tool
There is the features such as price is low, small in size, measurement is accurate, signal intensity is reflected by the air pressure change in oversleeve, and specific
Testing principle has been well known to those skilled in the art.
As specific embodiment, the master controller 7 selects the microcontroller of STM32 series, can specifically select model
For the microcontroller of STM32F103C8T6, which is integrated with 10x12 analog-digital converters, this chip is
Using ARM Cortex-M as 32 8-digit microcontrollers of core, the exportable pulse width modulating signal of the master controller 8 is to air pump
Inflation and solenoid valve deflation are controlled.Specifically, due to aforementioned existing pulse transducer generate be differential voltage signal and
Including oversleeve pressure signal and pulse wave signal two parts, the measurement of master controller 7 cannot be directly fed to, it is necessary to pass through signal processing
Master controller could be sent into after the processing of circuit 6.Therefore, as a kind of specific embodiment, the signal processing circuit 6 includes
Amplifying circuit and filter circuit, the filter circuit include low-pass filter circuit and bandwidth-limited circuit, the amplifying circuit pair
The differential voltage signal that pulse transducer generates amplifies, and the low-pass filter circuit and bandwidth-limited circuit will be amplified
Signal is divided into two-way, and signal obtains oversleeve pressure signal after low-pass filter circuit all the way, and another way signal is filtered by band logical
Pulse wave signal is obtained after wave circuit, the cutoff frequency of low-pass filter circuit may be selected to be 0.7Hz, the cut-off of bandwidth-limited circuit
Frequency may be selected to be 0.85-5.5Hz, and the oversleeve pressure signal and pulse wave signal are sent into the modulus inside master controller 7
Converter carries out analog-to-digital conversion, and then obtains the digital voltage signal of oversleeve pressure signal and pulse wave signal, and master controller 7
Processor will according to the digital voltage signal according to internal algorithm carry out operation, finally obtain the pressure value i.e. systolic pressure of needs
And diastolic pressure, and the oscillographic method measuring principle of existing comparative maturity can be used specifically to obtain systolic pressure and diastole in master controller 7
Press pressure value.Wherein, for amplifying circuit included in signal processing circuit and filter circuit, those skilled in the art exists
It on the basis of the function of said amplifier circuitry and filter circuit, can be realized completely using existing circuit, i.e., such circuit
Design is easily achieved for those skilled in the art.
As specific embodiment, the intelligent sphygmomanometer further includes the Bluetooth transmission mould connecting with 7 output end of master controller
Block 10, the Bluetooth communication modules 10 are used to obtained blood pressure data being transferred to user mobile phone and hospital center's computer, side
Just user and medical worker's real time inspection.
In addition, it should be apparent to a person skilled in the art that the other technical characteristics such as air pump introduced, sleeve are not done in specification
Set, solenoid valve, D.C. regulated power supply etc. can be realized, i.e. these technical characteristics using existing or ready-made technology completely
It is known to those skilled in the art, therefore do not elaborate in this application.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of intelligent sphygmomanometer, which is characterized in that including air pump, oversleeve, pressure sensor, solenoid valve, four-way splitter, letter
Number processing circuit, master controller, liquid crystal display and D.C. regulated power supply；The port of the air pump and the master of four-way splitter are defeated
Enter end connection, the air bag in the oversleeve is connect with the main output end of four-way splitter, the air inlet and four-way of the solenoid valve
First branch's output end of splitter connects, and the pressure interface of the pressure sensor and the second branch of four-way splitter export
The input terminal of end connection, the output end of the pressure sensor and signal processing circuit connects, the signal processing circuit it is defeated
Outlet is connect with the Sampling Interface of analog-digital converter inside master controller, and the master controller is to the number after analog-digital converter conversion
Word signal carries out operation and obtains blood-pressure measurement data, and the air pump, solenoid valve and liquid crystal display are electrically connected with master controller, institute
D.C. regulated power supply is stated to connect with master controller and signal processing circuit respectively.
2. intelligent sphygmomanometer according to claim 1, which is characterized in that the four-way splitter and air pump, oversleeve, pressure
It is connected between sensor and solenoid valve using high-pressure rubber pipe.
3. intelligent sphygmomanometer according to claim 1, which is characterized in that the pressure sensor selects pulse transducer.
4. intelligent sphygmomanometer according to claim 1, which is characterized in that the master controller selects the micro- of STM32 series
Controller.
5. intelligent sphygmomanometer according to claim 1, which is characterized in that the intelligent sphygmomanometer further includes and master controller
The Bluetooth communication modules of output end connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821195514.7U CN208958104U (en) | 2018-07-26 | 2018-07-26 | A kind of intelligent sphygmomanometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821195514.7U CN208958104U (en) | 2018-07-26 | 2018-07-26 | A kind of intelligent sphygmomanometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208958104U true CN208958104U (en) | 2019-06-11 |
Family
ID=66749183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821195514.7U Expired - Fee Related CN208958104U (en) | 2018-07-26 | 2018-07-26 | A kind of intelligent sphygmomanometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208958104U (en) |
-
2018
- 2018-07-26 CN CN201821195514.7U patent/CN208958104U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20190611 Termination date: 20200726 |