CN208876517U - A kind of intelligent electronic blood pressure meter - Google Patents
A kind of intelligent electronic blood pressure meter Download PDFInfo
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- CN208876517U CN208876517U CN201821202566.2U CN201821202566U CN208876517U CN 208876517 U CN208876517 U CN 208876517U CN 201821202566 U CN201821202566 U CN 201821202566U CN 208876517 U CN208876517 U CN 208876517U
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- solenoid valve
- chip microcontroller
- pressure sensor
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- inflator pump
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Abstract
The utility model provides a kind of intelligent electronic blood pressure meter, including five orifice valves, respectively with the air inlet pipe of five orifice valves, main escape pipe, secondary escape pipe, the inflator pump that main exhaust and time exhaust pipe connect one to one, cuff, pressure sensor, first solenoid valve and second solenoid valve, first solenoid valve is faster than the deflation speed of second solenoid valve, inflator pump, the control terminal of first solenoid valve and second solenoid valve is through photo-coupler and monolithic mechatronics, the signal all the way of pressure sensor output is directly connect with the interface of the first analog-digital converter inside single-chip microcontroller, another way signal is connect through amplifying circuit and filter circuit with the interface of the second analog-digital converter inside single-chip microcontroller, the measurement pressure value that operation after analog-to-digital conversion obtains is sent into display and shown by single-chip microcontroller.Intelligent sphygmomanometer measurement provided by the present application is easy to use, and not only the fast precision of measuring speed is high, but also is convenient for carrying, and has a good application prospect.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to a kind of intelligent electronic blood pressure meter.
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
Measure inconvenient to use, measuring speed is relatively slow and precision is not high, and the volume of the sphygmomanometer is big, it has not been convenient to carry, substantially no longer
It has a good application prospect.
Utility model content
Inconvenient to use for the measurement of existing simulation sphygmomanometer, measuring speed is relatively slow and precision is not high, and the sphygmomanometer
Volume it is big, it has not been convenient to carry, no longer there is the technical issues of applications well prospect substantially, the utility model provides a kind of intelligence
Electronic sphygmomanometer.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of intelligent electronic blood pressure meter, including inflator pump, cuff, pressure sensor, the first solenoid valve, second solenoid valve,
Five orifice valves, photo-coupler, amplifying circuit, filter circuit, single-chip microcontroller and display；The port of the inflator pump connects with five
The air inlet pipe connection of mouthful communicating valve, the cuff are connect with the main escape pipe of five orifice valves, first solenoid valve into
Port is connect with the main exhaust of five orifice valves, the secondary exhaust of the air inlet of the second solenoid valve and five orifice valves
Pipe connection, the deflation speed of first solenoid valve is faster than the deflation speed of second solenoid valve, the inflator pump, the first solenoid valve
All be electrically connected respectively with the output end of photo-coupler with the control terminal of second solenoid valve, i.e., the described inflator pump, the first solenoid valve and
The control terminal of second solenoid valve is all connected with a photo-coupler, the input terminal and monolithic mechatronics of the photo-coupler, institute
The pressure interface for stating pressure sensor is connect with the secondary escape pipe of five orifice valves, the letter all the way of the pressure sensor output
The interface of number the first analog-digital converter being directly internally integrated with single-chip microcontroller is connect, the another way letter of the pressure sensor output
The interface of number the second analog-digital converter being internally integrated through amplifying circuit and filter circuit and single-chip microcontroller is connect, and the single-chip microcontroller will
The measurement pressure value that operation obtains after analog-to-digital conversion is sent to display and is shown.
Compared with prior art, intelligent electronic blood pressure meter provided by the utility model is filled by single-chip microcontroller control when use
Air pump is inflated to cuff and controls the first solenoid valve and second solenoid valve deflates to cuff, and single-chip microcontroller is for inflation
The control signal of pump, the first solenoid valve and second solenoid valve is transmitted with photo-coupler, thus for input terminal and output end
Electric signal have good buffer action, that is, have good electrical isolation capabilities and anti-interference ability, it is thus possible to improve blood
The precision of measurement is pressed, while the deflation speed of the first solenoid valve is faster than the deflation speed of second solenoid valve, therefore in the first of deflation
Stage beginning can open simultaneously the first solenoid valve and second solenoid valve to carry out Rapid degassing, and the end stage in deflation is openable
Second solenoid valve is slowly deflated, and is achieved the purpose that control deflation speed with this, is thus being improved the same of measuring speed
When also facilitate control；And pressure sensor acquires the pressure signal in cuff in time, which is difference analogue voltage letter
Number, the difference analogue voltage signal is after amplifying circuit amplifies, and signal is sent directly into the first modulus inside single-chip microcontroller and turns all the way
Parallel operation carries out analog-to-digital conversion, and another way signal is sent into the second analog-to-digital conversion inside single-chip microcontroller after amplifying circuit and filter circuit
Device carries out analog-to-digital conversion, and single-chip microcontroller carries out operation to the digital voltage signal obtained after analog-to-digital conversion and obtains the blood pressure of tested user
Value, and obtained pressure value is sent in display and carries out display and checks.The application is by cuff, inflator pump, the first solenoid valve,
It is connected between two solenoid valves and pressure sensor by five orifice valves, it is possible thereby to which the volume for reducing entire sphygmomanometer is convenient
It carries, and can guarantee that the circulation in systems that institute's inflatable body can seal is leaked without generating, and pass through electronic circuit and device
Processing and operation are carried out to detection signal, thus can be further improved measuring speed and measurement accuracy, there is good application
Prospect.
Further, the pressure sensor includes primary pressure sensor and secondary stress sensor in parallel.
Further, the five orifices valve and inflator pump, cuff, pressure sensor, the first solenoid valve and the second electromagnetism
It is connected between valve using high-pressure rubber hose.
Further, the filter circuit includes the low-pass filter circuit and high-pass filtering circuit of sequential series.
Further, the sphygmomanometer further includes the USB interface with monolithic mechatronics.
Detailed description of the invention
Fig. 1 is intelligent electronic blood pressure meter structural principle block diagram provided by the utility model.
In figure, 1, inflator pump；2, cuff；3, pressure sensor；4, the first solenoid valve；5, second solenoid valve；6, five interface
Communicating valve；7, photo-coupler；8, amplifying circuit；9, filter circuit；10, single-chip microcontroller；11, display；12, USB interface.
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 electronic blood pressure meter, including inflator pump 1, cuff 2, pressure
Sensor 3, the first solenoid valve 4, second solenoid valve 5, five orifice valves 6, photo-coupler 7, amplifying circuit 8, filter circuit 9,
Single-chip microcontroller 10 and display 11；The port of the inflator pump 1 is connect with the air inlet pipe of five orifice valves 6, the cuff 2 and five
The main escape pipe of orifice valve connects, and the main exhaust of the air inlet of first solenoid valve 4 and five orifice valves 6 connects
It connects, the air inlet of the second solenoid valve 5 is connect with the secondary exhaust pipe of five orifice valves 6, the deflation of first solenoid valve 4
Speed is faster than the deflation speed of second solenoid valve 5, and the control terminal of the inflator pump 1, the first solenoid valve 4 and second solenoid valve 5 is all
It is electrically connected respectively with the output end of photo-coupler 7, i.e., the control terminal of the described inflator pump 1, the first solenoid valve 4 and second solenoid valve 5
It is all connected with a photo-coupler 7, the input terminal of the photo-coupler 7 is electrically connected with single-chip microcontroller 10, the pressure sensor 3
Pressure interface is connect with the secondary escape pipe of five orifice valves 6, and the signal all the way that the pressure sensor 3 exports is directly and monolithic
The interface for the first analog-digital converter that machine 10 is internally integrated connects, and the another way signal that the pressure sensor 3 exports is through amplifying
Circuit 8 and filter circuit 9 are connect with the interface for the second analog-digital converter that single-chip microcontroller 10 is internally integrated, and the single-chip microcontroller 10 is by mould
The measurement pressure value that operation obtains after number conversion is sent to display 11 and is shown.
Compared with prior art, intelligent electronic blood pressure meter provided by the utility model is filled by single-chip microcontroller control when use
Air pump is inflated to cuff and controls the first solenoid valve and second solenoid valve deflates to cuff, and single-chip microcontroller is for inflation
The control signal of pump, the first solenoid valve and second solenoid valve is transmitted with photo-coupler, thus for input terminal and output end
Electric signal have good buffer action, that is, have good electrical isolation capabilities and anti-interference ability, it is thus possible to improve blood
The precision of measurement is pressed, while the deflation speed of the first solenoid valve is faster than the deflation speed of second solenoid valve, therefore in the first of deflation
Stage beginning can open simultaneously the first solenoid valve and second solenoid valve to carry out Rapid degassing, and the end stage in deflation is openable
Second solenoid valve is slowly deflated, and is achieved the purpose that control deflation speed with this, is thus being improved the same of measuring speed
When also facilitate control；And pressure sensor acquires the pressure signal in cuff in time, which is difference analogue voltage letter
Number, the difference analogue voltage signal is after amplifying circuit amplifies, and signal is sent directly into the first modulus inside single-chip microcontroller and turns all the way
Parallel operation carries out analog-to-digital conversion and obtains oversleeve pressure signal, and another way signal is sent into single-chip microcontroller after amplifying circuit and filter circuit
Second analog-digital converter in portion carries out analog-to-digital conversion and obtains pulse wave signal, and single-chip microcontroller is to the oversleeve pressure obtained after analog-to-digital conversion
Operation is carried out with pulse wave digital voltage signal and obtains the pressure value of tested user, and existing comparative maturity can be used in specific single-chip microcontroller
Oscillographic method measuring principle obtain systolic pressure and diastolic pressure pressure value, and obtained pressure value is sent in display and is shown
Show and checks.The application will pass through five interfaces and connect between cuff, inflator pump, the first solenoid valve, second solenoid valve and pressure sensor
Port valve connection, it is possible thereby to the volume for reducing entire sphygmomanometer is convenient for carrying, and can guarantee that institute's inflatable body can seal is being
Circulation is without generating leakage in system, and by electronic circuit and device handle to detection signal and operation, thus can be into
One step improves measuring speed and measurement accuracy, has a good application prospect.
As specific embodiment, the pressure sensor 3 includes the primary pressure sensor and secondary stress sensor of parallel connection, i.e.,
In parallel on the third branch output end of five orifice valves 6 there are two pressure sensors 3, thus when a certain pressure sensor goes out
It when now abnormal, be changed to another pressure sensor and continue to measure, thus improve the stability of electronic sphygmomanometer, it is specific to select
With the pressure sensor of model MP3V5004GP.
As specific embodiment, the five orifices valve 6 and inflator pump 1, cuff 2, pressure sensor 3, the first electromagnetism
It is connected between valve 4 and second solenoid valve 5 using high-pressure rubber hose, it may thereby be ensured that the air-tightness of system, so that cuff 2
Institute's inflatable body can circulate in strict system and not leak.
As specific embodiment, the filter circuit 9 includes the low-pass filter circuit and high-pass filtering circuit of sequential series,
The low-pass filter circuit is for filtering out high-frequency interferencing signal and alternating current disturbance, and the high-pass filtering circuit is for filtering out low frequency
Interference signal, the cutoff frequency of low-pass filter circuit may be selected to be 20Hz, and the cutoff frequency of high-pass filtering circuit may be selected to be
0.6Hz.And those skilled in the art can adopt on the basis of the low-pass filter circuit and high-pass filtering circuit function describe
It is realized with existing or ready-made filter circuit such as RC circuit, and this is to be easy to reality for those skilled in the art
Existing.
As specific embodiment, the sphygmomanometer further includes the usb 12 being electrically connected with single-chip microcontroller 10, passes through the USB
The human blood-pressure value measured can be transferred in work computer, testing staff is facilitated to analyze by interface 12.
In addition, it should be apparent to a person skilled in the art that do not done in specification the other technical characteristics such as inflator pump introduced,
Cuff, solenoid valve, five orifice valves, photo-coupler, amplifying circuit etc., completely can using existing or ready-made technology come
It realizes, i.e., these technical characteristics are known to those skilled in the art, therefore do not elaborate in this application.For example,
It selects five-way electromagnetic valve as five orifice valves, selects the photo-coupler of model PC817A, select model OPA348's
Amplifier selects the single-chip microcontroller of model MSP430FG4618, and liquid crystal display is selected to be shown.
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 electronic blood pressure meter, which is characterized in that including inflator pump, cuff, pressure sensor, the first solenoid valve,
Two solenoid valves, five orifice valves, photo-coupler, amplifying circuit, filter circuit, single-chip microcontroller and display；The inflator pump
Port is connect with the air inlet pipe of five orifice valves, and the cuff is connect with the main escape pipe of five orifice valves, and described first
The air inlet of solenoid valve is connect with the main exhaust of five orifice valves, the air inlet of the second solenoid valve and five orifices
The secondary exhaust pipe of valve connects, and the deflation speed of first solenoid valve is faster than the deflation speed of second solenoid valve, the inflator pump,
The control terminal of first solenoid valve and second solenoid valve is all electrically connected with the output end of photo-coupler respectively, i.e., the described inflator pump,
The control terminal of one solenoid valve and second solenoid valve is all connected with a photo-coupler, the input terminal and single-chip microcontroller of the photo-coupler
Electrical connection, the pressure interface of the pressure sensor are connect with the secondary escape pipe of five orifice valves, and the pressure sensor is defeated
The interface for the first analog-digital converter that signal all the way out is directly internally integrated with single-chip microcontroller is connect, the pressure sensor output
The interface of the second analog-digital converter that is internally integrated through amplifying circuit and filter circuit and single-chip microcontroller of another way signal connect, institute
It states single-chip microcontroller the measurement pressure value that operation after analog-to-digital conversion obtains is sent to display and show.
2. intelligent electronic blood pressure meter according to claim 1, which is characterized in that the pressure sensor includes master in parallel
Pressure sensor and secondary stress sensor.
3. intelligent electronic blood pressure meter according to claim 1, which is characterized in that the five orifices valve and inflator pump,
It is connected between cuff, pressure sensor, the first solenoid valve and second solenoid valve using high-pressure rubber hose.
4. intelligent electronic blood pressure meter according to claim 1, which is characterized in that the filter circuit includes sequential series
Low-pass filter circuit and high-pass filtering circuit.
5. intelligent electronic blood pressure meter according to claim 1, which is characterized in that the sphygmomanometer further includes and monolithic is electromechanical
The USB interface of connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202566.2U CN208876517U (en) | 2018-07-26 | 2018-07-26 | A kind of intelligent electronic blood pressure meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202566.2U CN208876517U (en) | 2018-07-26 | 2018-07-26 | A kind of intelligent electronic blood pressure meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208876517U true CN208876517U (en) | 2019-05-21 |
Family
ID=66507573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821202566.2U Active CN208876517U (en) | 2018-07-26 | 2018-07-26 | A kind of intelligent electronic blood pressure meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208876517U (en) |
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2018
- 2018-07-26 CN CN201821202566.2U patent/CN208876517U/en active Active
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