CN207220809U - One kind is based on wrist pulse wave translation time without cuff blood pressure measuring device - Google Patents
One kind is based on wrist pulse wave translation time without cuff blood pressure measuring device Download PDFInfo
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- CN207220809U CN207220809U CN201720183721.XU CN201720183721U CN207220809U CN 207220809 U CN207220809 U CN 207220809U CN 201720183721 U CN201720183721 U CN 201720183721U CN 207220809 U CN207220809 U CN 207220809U
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Abstract
The utility model discloses one kind based on wrist pulse wave translation time without cuff blood pressure measuring device, including sensor assembly, Signal-regulated kinase, AD conversion module, single chip processing module, data transmission module, upper computer module, the device calculates the value of blood pressure by pulse wave translation time, pulse wave signal can be gathered in real time, the signal collected is subjected to some column counts and obtains pressure value, it is with continuity and real-time, small volume, it is easy to use, supplement as clinical blood pressure measurement, can be at any time, in time, dysarteriotony situation can be prevented and find in advance by paying close attention to the blood pressure of oneself in real time, there is vital effect for treatment patient in time.
Description
Technical field
The present invention relates to Medical Instruments technical field, is specifically that one kind is based on wrist pulse wave translation time without Tail cuff blood pressure
Measuring device.
Background technology
Angiocardiopathy is a kind of serious threat human diseases, particularly more than 50 years old middle-aged and elderly people health it is common
Disease, has high illness rate, high disability rate and high mortality, and blood pressure is one of important physiological parameter of human body, be can be good at
Reflect the function status of human heart and blood vessel.And it is current, it is most commonly used to detect and predicts the medical treatment device of angiocardiopathy
It is electronic sphygmomanometer, the method for electronic sphygmomanometer and traditional mercurial sphygmomanometer measurement blood pressure can only all draw the height at a certain moment
Blood pressure and low blood pressure value, continuously can not record and show in real time the blood pressure of human body.Therefore, noninvasive continuous blood pressure is studied to survey
Amount method is conducive to the prevention and diagnosis of angiocardiopathy, hypertension, easy to understand the diurnal and nocturnal changes of blood pressure, can prevent
Sudden cardiovascular and cerebrovascular disease.Wearing with the daily health of people and the continuous lifting of health care consciousness and in recent years at the same time
Formula medical monitoring equipment receives much concern, and regularly physical examination can not meet the demand of the health care increasingly of people, existing
There are device or equipment, volume is larger, inconvenient for use, it is impossible in real time, continuously detect the change of recording blood pressure value.
The content of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, provide one kind to be based on wrist pulse wave translation time sleeveless
Band blood pressure measuring device, the device, the value of blood pressure is calculated by pulse wave translation time, can gather pulse wave letter in real time
Number, the signal collected is subjected to some column counts and obtains pressure value, with continuity and real-time, small volume, uses for it
Convenient, cost is relatively low, as the supplement of clinical blood pressure measurement, can be at any time, the blood pressure of paying close attention to oneself timely, in real time becomes
Change can in advance prevent and find dysarteriotony situation, have vital effect for treatment patient in time.
Realizing the technical solution of the object of the invention is：
One kind is based on wrist pulse wave translation time without cuff blood pressure measuring device, including the sensor die being linked in sequence
Block, Signal-regulated kinase, AD conversion module, single chip processing module, data transmission module and upper computer module；The signal
Conditioning module, further comprises the big circuit of level-one, bandpass filter, trapper and the second amplifying circuit being linked in sequence, effect
It is the pulse wave signal for collecting sensor assembly, is amplified by level-one amplifying circuit, the signal of amplification is logical first
The noise outside bandwidth-limited circuit removal 0.1Hz-100Hz scopes is crossed, then by the signal by the denoising of bandpass filter again
It is secondary to remove 50Hz Hz noises by trapper, then secondary amplification is carried out by second amplifying circuit, amplified signal wants energy
Meet the job requirement of AD conversion module.
The sensor assembly is pulse transducer, and effect is to utilize sensor collection human pulse ripple signal.
The level-one amplifying circuit, including the first operational amplifier and first slide change resistance；First operational amplifier
Negative input end ground connection, positive input terminal be connected with sensor assembly, the fixation with the first slip change resistance respectively of No. 1 pin
End is connected with sliding end, and No. 3 pins are connected with another fixing end of the first slide rheostat, No. 2 pin ground connection, signal output
End is connected with bandpass filter；The amplification factor of level-one amplifying circuit is, wherein Rg is slide rheostat
Resistance value, the size of amplification factor G set and can be adjusted by slide rheostat.
The bandpass filter, the voltage-controlled power supply second order filter of use, constructs the height that a cutoff frequency is 0.1Hz
The low-pass filter that bandpass filter and a cutoff frequency are 100HZ；Including the first capacitance, the second capacitance, the 3rd capacitance, the 4th
Capacitance, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the second operational amplifier and
Three operational amplifiers；One end of first capacitance is connected with the signal output part of the first operational amplifier in level-one amplifying circuit,
One end with the second capacitance, one end of first resistor are connected the other end respectively；The other end of second capacitance respectively with second resistance
One end, the second operational amplifier positive input terminal connection；The other end of first resistor and the signal of the second operational amplifier are defeated
Outlet connects；The other end ground connection of second resistance；The negative input end of second operational amplifier one end with 3rd resistor, respectively
One end connection of four resistance；The other end ground connection of 3rd resistor；The other end of 4th resistance and the signal of the second operational amplifier
Output terminal connects；The one end of the signal output part of second operational amplifier also with the 5th resistance is connected；The other end of 5th resistance
One end with the 4th capacitance, one end of the 6th resistance are connected respectively；The other end of 6th resistance respectively one end with the 3rd capacitance,
The positive input terminal connection of 3rd operational amplifier；The other end of 4th capacitance and the signal output part of the 3rd operational amplifier connect
Connect；The other end ground connection of 3rd capacitance；The negative input end of 3rd operational amplifier is connected with the signal output part of itself.
The trapper, including the 5th capacitance, the 6th capacitance, the 7th capacitance, the 8th capacitance, the 7th resistance, the 8th electricity
Resistance, the 9th resistance, the tenth resistance, the 11st resistance, the 12nd resistance, the second slide rheostat, the 3rd slide rheostat, the 4th
Operational amplifier, the 5th operational amplifier；The signal output part of 3rd operational amplifier of bandpass filter is electric with the 5th respectively
One end of appearance, one end connection of the 7th resistance；The other end of 5th capacitance one end with the 6th capacitance, the 11st resistance respectively
One end connects；The other end of 7th resistance is connected with one end of the 8th resistance；The other end of 8th resistance respectively with the 9th resistance
One end, one end of the 7th capacitance, the 8th capacitance one end connection；The other end of 9th resistance and one end of the tenth resistance connect
Connect；The other end of tenth resistance is connected with the positive input terminal of the 5th operational amplifier；The other end of 6th capacitance and the 5th computing
The positive input terminal connection of amplifier；The other end of 11st resistance is connected with one end of the 12nd resistance；12nd resistance it is another
One end is connected with the other end, the other end of the 8th capacitance, the signal output part of four-operational amplifier of the 7th capacitance respectively；The
The signal output part of four-operational amplifier is also connected with the negative input end of itself；The positive input terminal of four-operational amplifier respectively with
One fixing end of the second slide rheostat, a fixing end of the 3rd slide rheostat, the sliding end of the 3rd slide rheostat
Connection；3rd slide rheostat another fixing end ground connection；Another fixing end and sliding end of second slide rheostat and
The signal output part connection of five operational amplifiers；The negative input end of 5th operational amplifier is connected with the signal output part of itself.
The second amplifying circuit, including the 6th operational amplifier, the 7th operational amplifier, the 13rd resistance, the tenth
Four resistance, the 4th slide rheostat, the 5th slide rheostat；The signal output part and the 6th of 5th operational amplifier of trapper
The positive input terminal connection of operational amplifier；The negative input end of 6th operational amplifier one end with the 13rd resistance, the 4th respectively
The fixing end connection of slide rheostat；The signal output part of the 6th operational amplifier cunning with the 4th slide rheostat respectively
Moved end, the positive input terminal connection of the 7th operational amplifier；The other end ground connection of 13rd resistance；4th slide rheostat it is another
A fixing end ground connection；The negative input end of 7th operational amplifier one end with the 14th resistance, the 5th slide rheostat respectively
One fixing end connection；The signal output part of 7th operational amplifier is connected with the sliding end of the 5th slide resistor；14th
The other end ground connection of resistance；Another fixing end ground connection of 5th slide rheostat；The signal output part of 7th operational amplifier
Also it is connected with AD conversion module；The maximum amplification of the second amplifying circuit is 200.
First operational amplifier, the second operational amplifier, the 3rd operational amplifier, four-operational amplifier,
Five operational amplifiers, the 6th operational amplifier and the 7th operational amplifier, No. 4 pins connect -5V voltages, and No. 8 pins connect+5V electricity
Pressure.
The AD conversion module, effect are the amplified signals for sending the Signal-regulated kinase received, and amplification is believed
Number digital signal is converted into, and is transferred to single chip processing module.
The single chip processing module, including microcontroller, receive the digital signal that issues of AD conversion module, and by numeral
Signal is handled, and the digital signal handled well is handed down to TCP data segment.
The data transmission module, including 3G, 4G, wifi, bluetooth, ZIGBEE communication modules, for receiving microcontroller
Digital signal after processing module processing, and digital signal is handed down to upper computer module, while by digital signal in host computer
Shown on the intelligent terminal of module.
The utility model is provided one kind and is led to based on wrist pulse wave translation time without cuff blood pressure measuring device, the device
The value that pulse wave translation time calculates blood pressure is crossed, pulse wave signal can be gathered in real time, the signal collected is carried out
Column count obtains pressure value, it is with continuity and real-time, and small volume is easy to use, the benefit as clinical blood pressure measurement
Fill, can pay close attention to the blood pressure of oneself at any time, in time, in real time can prevent and find dysarteriotony situation in advance, for
Treatment patient has vital effect in time.
Brief description of the drawings
Fig. 1 is a kind of based on structure diagram of the wrist pulse wave translation time without cuff blood pressure measuring device；
Fig. 2 is Signal-regulated kinase structure diagram；
Fig. 3 is level-one amplification circuit diagram；
Fig. 4 is band pass filter circuit figure；
Fig. 5 is notch filter circuit figure；
Fig. 6 is second amplifying circuit figure；
In figure, 1. sensor assembly, 2. 4. single chip processing module of Signal-regulated kinase 3.AD modular converters, 5. data
9. trapper of big 8. bandpass filter of circuit of 6. upper computer module of transport module, 7. level-one, 10. second amplifying circuit.
Embodiment
The utility model is further elaborated with reference to the accompanying drawings and examples, but is not the limit to the utility model
It is fixed.
Embodiment：
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6：
One kind is based on wrist pulse wave translation time without cuff blood pressure measuring device, including the sensor assembly being linked in sequence
1st, Signal-regulated kinase 2, AD conversion module 3, single chip processing module 4, data transmission module 5 and upper computer module 6；Described
Signal-regulated kinase 2, further comprises the big circuit 7 of level-one, bandpass filter 8, trapper 9 and the two level amplification electricity being linked in sequence
Road 10, effect are the pulse wave signals for collecting sensor assembly 1, are amplified by level-one amplifying circuit 7, by amplification
Signal removes the noise outside 0.1Hz-100Hz scopes by bandpass filter 8 first, then will be gone by bandpass filter 8
The signal made an uproar again passes by trapper 9 and removes 50Hz Hz noises, then carries out secondary amplification by second amplifying circuit 10, amplifies
Signal afterwards will can meet the job requirement of AD conversion module 3.
The sensor assembly 1 is pulse transducer, and effect is to utilize sensor collection human pulse ripple signal.
The level-one amplifying circuit 7, including the first operational amplifier U1 and first are slided and are become resistance Rg1；First computing
The negative input end ground connection of amplifier U1, positive input terminal are connected with sensor assembly 1, and No. 1 pin is slided with first respectively becomes resistance
A fixing end of Rg1 is connected with sliding end, and No. 3 pins are connected with another fixing end of the first slide rheostat Rg1, No. 2
Pin is grounded, and signal output part is connected with bandpass filter 8；The amplification factor of level-one amplifying circuit is, wherein Rg1 is slide rheostat resistance value, and the size of amplification factor G is set can be by slide rheostat
To adjust；First operational amplifier U1 is AD620AR type operational amplifiers.
The bandpass filter 8, the voltage-controlled power supply second order filter of use, it is 0.1Hz's to construct a cutoff frequency
The low-pass filter that high-pass filter and a cutoff frequency are 100HZ；Including the first capacitance C1, the second capacitance C2, the 3rd electricity
Hold C3, the 4th capacitance C4, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th electricity
Hinder R6, the second operational amplifier U1A and the 3rd operational amplifier U1B；In one end of first capacitance C1 and level-one amplifying circuit 7
First operational amplifier U1 signal output part connection, the other end respectively with second capacitance C2 one end, one end of first resistor R1
Connection；One end with second resistance R2, the positive input terminal of the second operational amplifier U1A connect the other end of second capacitance C2 respectively
Connect；The other end of first resistor R1 is connected with the signal output part of the second operational amplifier U1A；Another termination of second resistance R2
Ground；The one end of the negative input end of second operational amplifier U1A respectively with 3rd resistor R3 one end, the 4th resistance R4 is connected；3rd
The other end ground connection of resistance R3；The other end of 4th resistance R4 is connected with the signal output part of the second operational amplifier U1A；Second
The one end of the signal output part of operational amplifier U1A also with the 5th resistance R5 is connected；The other end of 5th resistance R5 is respectively with
Four capacitance C4 one end, one end connection of the 6th resistance R6；The other end of 6th resistance R6 one end with the 3rd capacitance C3, respectively
The positive input terminal connection of three operational amplifier U1B；The other end of 4th capacitance C4 and the signal output of the 3rd operational amplifier U1B
End connection；The other end ground connection of 3rd capacitance C3；The negative input end of 3rd operational amplifier U1B connects with the signal output part of itself
Connect；Second operational amplifier U1A and the 3rd operational amplifier U1B is OPA2134 operational amplifiers.
The trapper 9, including the 5th capacitance C5, the 6th capacitance C6, the 7th capacitance C7, the 8th capacitance C8, the 7th electricity
Hinder R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the 11st resistance R11, the 12nd resistance R12, the second slip change
Hinder device Rg2, the 3rd slide rheostat Rg3, four-operational amplifier U2A, the 5th operational amplifier U2B；The of bandpass filter 8
The one end of the signal output part of three operational amplifier U1B respectively with the 5th capacitance C5, the 7th resistance R7 is connected；5th capacitance C5's
One end with the 6th capacitance C6, one end of the 11st resistance R11 are connected the other end respectively；The other end and the 8th of 7th resistance R7
One end connection of resistance R8；The other end of 8th resistance R8 one end with the 9th resistance R9, one end of the 7th capacitance C7, respectively
One end connection of eight capacitance C8；The other end of 9th resistance R9 is connected with one end of the tenth resistance R10；Tenth resistance R10's is another
One end is connected with the positive input terminal of the 5th operational amplifier U2A；The other end of 6th capacitance C6 and the 5th operational amplifier U2A's
Positive input terminal connects；The other end of 11st resistance R11 is connected with one end of the 12nd resistance R12；12nd resistance R12's is another
One end other end with the 7th capacitance C7, the other end of the 8th capacitance C8, the signal output part of four-operational amplifier U2B respectively
Connection；The signal output part of four-operational amplifier U2B is also connected with the negative input end of itself；Four-operational amplifier U2B's
Positive input terminal a fixing end with the second slide rheostat Rg2, a fixing end of the 3rd slide rheostat Rg3, respectively
The sliding end connection of three slide rheostat Rg3；3rd slide rheostat Rg another fixing end ground connection；Second slide rheostat
Another fixing end and sliding end of Rg2 is connected with the signal output part of the 5th operational amplifier U2A；5th operational amplifier
The negative input end of U2A is connected with the signal output part of itself；Four-operational amplifier U2B and the 5th operational amplifier U2A are
OPA2134 operational amplifiers.
The second amplifying circuit 10, including the 6th operational amplifier U4A, the 7th operational amplifier U4B, the 13rd electricity
Hinder R12, the 14th resistance R14, the 4th slide rheostat Rg4, the 5th slide rheostat Rg5；5th operation amplifier of trapper 9
The signal output part of device U2A is connected with the positive input terminal of the 6th operational amplifier U4A；The negative input of 6th operational amplifier U4A
One end with the 13rd resistance R13, a fixing end of the 4th slide rheostat Rg4 are connected respectively at end；6th operational amplifier
The sliding end with the 4th slide rheostat Rg4, the positive input terminal of the 7th operational amplifier U4B connect the signal output part of U4A respectively
Connect；The other end ground connection of 13rd resistance R13；Another fixing end ground connection of 4th slide rheostat Rg4；7th operation amplifier
One end with the 14th resistance R14, a fixing end of the 5th slide rheostat Rg5 are connected the negative input end of device U4B respectively；The
The signal output part of seven operational amplifier U4B is connected with the sliding end of the 5th slide resistor Rg5；14th resistance R14's is another
One end is grounded；Another fixing end ground connection of 5th slide rheostat Rg5；The signal output part of 7th operational amplifier U4B is also
It is connected with AD conversion module 3；The maximum amplification of the second amplifying circuit 10 is 200；6th operational amplifier U4A and the 7th
Operational amplifier U4B is OPA2134 operational amplifiers.
The first operational amplifier U1, the second operational amplifier U1A, the 3rd operational amplifier U1B, the 4th computing are put
Big device U2B, the 5th operational amplifier U2A, the 6th operational amplifier U4A and the 7th operational amplifier U4B, No. 4 pins connect -5V electricity
Pressure, No. 8 pins connect+5V voltages.
The AD conversion module 3, effect are the amplified signals that the Signal-regulated kinase 2 that will be received is sent, and will be amplified
Signal is converted into digital signal, and is transferred to single chip processing module 4.
The single chip processing module 4, including microcontroller, receive the digital signal that issues of AD conversion module 3, and by number
Word signal is handled, and the digital signal handled well is handed down to TCP data segment.
The data transmission module 5, including 3G, 4G, wifi, bluetooth, ZIGBEE communication modules, for receiving microcontroller
Digital signal after the processing of processing module 4, and digital signal is handed down to upper computer module 6, while by digital signal upper
Shown on the intelligent terminal of machine module 6.
Claims (9)
1. one kind is based on wrist pulse wave translation time without cuff blood pressure measuring device, it is characterised in that including what is be linked in sequence
Sensor assembly, Signal-regulated kinase, AD conversion module, single chip processing module, data transmission module and upper computer module；Institute
The Signal-regulated kinase stated, further comprises the big circuit of level-one, bandpass filter, trapper and the two level amplification electricity being linked in sequence
Road, effect are the pulse wave signals for collecting sensor assembly, are amplified by level-one amplifying circuit, by the signal of amplification
The noise outside 0.1Hz-100Hz scopes is removed by bandwidth-limited circuit first, then by by the denoising of bandpass filter
Signal again passes by trapper and removes 50Hz Hz noises, then carries out secondary amplification, amplified letter by second amplifying circuit
Number it can meet the job requirement of AD conversion module.
2. a kind of wrist pulse wave translation time that is based on according to claim 1 is without cuff blood pressure measuring device, its feature
It is, the sensor assembly is pulse transducer, and effect is to utilize sensor collection human pulse ripple signal.
3. a kind of wrist pulse wave translation time that is based on according to claim 1 is without cuff blood pressure measuring device, its feature
It is, the level-one amplifying circuit, including the first operational amplifier and first slides change resistance；First operational amplifier is born
Input end grounding, positive input terminal are connected with sensor assembly, No. 1 pin respectively with first slide become resistance a fixing end and
Sliding end connects, and No. 3 pins are connected with another fixing end of the first slide rheostat, and No. 2 pin ground connection, No. 4 pins meet -5V
Voltage, No. 8 pins connect+5V voltages, and signal output part is connected with bandpass filter；The amplification factor of level-one amplifying circuit is, wherein Rg is slide rheostat resistance value, and the size of amplification factor G sets and can be adjusted by slide rheostat
Section.
4. a kind of wrist pulse wave translation time that is based on according to claim 1 is without cuff blood pressure measuring device, its feature
It is, the bandpass filter, the voltage-controlled power supply second order filter of use, constructs the high pass that a cutoff frequency is 0.1Hz
The low-pass filter that wave filter and a cutoff frequency are 100HZ；Including the first capacitance, the second capacitance, the 3rd capacitance, the 4th electricity
Appearance, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the second operational amplifier and the 3rd
Operational amplifier；One end of first capacitance is connected with the signal output part of the first operational amplifier in level-one amplifying circuit, separately
One end with the second capacitance, one end of first resistor are connected respectively for one end；The other end of second capacitance respectively with second resistance
One end, the positive input terminal connection of the second operational amplifier；The signal output of the other end of first resistor and the second operational amplifier
End connection；The other end ground connection of second resistance；The negative input end of second operational amplifier one end with 3rd resistor, the 4th respectively
One end connection of resistance；The other end ground connection of 3rd resistor；The signal of the other end and the second operational amplifier of 4th resistance is defeated
Outlet connects；The one end of the signal output part of second operational amplifier also with the 5th resistance is connected；The other end of 5th resistance point
One end of one end, the 6th resistance not with the 4th capacitance is connected；The other end of 6th resistance one end with the 3rd capacitance, respectively
The positive input terminal connection of three operational amplifiers；The other end of 4th capacitance is connected with the signal output part of the 3rd operational amplifier；
The other end ground connection of 3rd capacitance；The negative input end of 3rd operational amplifier is connected with the signal output part of itself；
Second operational amplifier and the 3rd operational amplifier, No. 4 pins connect -5V voltages, and No. 8 pins connect+5V voltages.
5. a kind of wrist pulse wave translation time that is based on according to claim 1 is without cuff blood pressure measuring device, its feature
Be, the trapper, including the 5th capacitance, the 6th capacitance, the 7th capacitance, the 8th capacitance, the 7th resistance, the 8th resistance,
9th resistance, the tenth resistance, the 11st resistance, the 12nd resistance, the second slide rheostat, the 3rd slide rheostat, the 4th fortune
Calculate amplifier, the 5th operational amplifier；The signal output part of 3rd operational amplifier of bandpass filter respectively with the 5th capacitance
One end, the 7th resistance one end connection；The other end of 5th capacitance one end with the 6th capacitance, the one of the 11st resistance respectively
End connection；The other end of 7th resistance is connected with one end of the 8th resistance；The other end of 8th resistance respectively with the 9th resistance
One end, one end connection of one end of the 7th capacitance, the 8th capacitance；The other end of 9th resistance is connected with one end of the tenth resistance；
The other end of tenth resistance is connected with the positive input terminal of the 5th operational amplifier；The other end and the 5th operation amplifier of 6th capacitance
The positive input terminal connection of device；The other end of 11st resistance is connected with one end of the 12nd resistance；The other end of 12nd resistance
It is connected respectively with the other end, the other end of the 8th capacitance, the signal output part of four-operational amplifier of the 7th capacitance；4th fortune
The signal output part for calculating amplifier is also connected with the negative input end of itself；The positive input terminal of four-operational amplifier is respectively with second
The sliding end connection of the fixing end, a fixing end of the 3rd slide rheostat, the 3rd slide rheostat of slide rheostat；
3rd slide rheostat another fixing end ground connection；Another fixing end and sliding end of second slide rheostat and the 5th computing
The signal output part connection of amplifier；The negative input end of 5th operational amplifier is connected with the signal output part of itself；
The four-operational amplifier and the 5th operational amplifier, No. 4 pins connect -5V voltages, and No. 8 pins connect+5V voltages.
6. a kind of wrist pulse wave translation time that is based on according to claim 1 is without cuff blood pressure measuring device, its feature
It is, the second amplifying circuit, including the 6th operational amplifier, the 7th operational amplifier, the 13rd resistance, the 14th electricity
Resistance, the 4th slide rheostat, the 5th slide rheostat；The signal output part of 5th operational amplifier of trapper and the 6th computing
The positive input terminal connection of amplifier；One end with the 13rd resistance, the 4th slide the negative input end of 6th operational amplifier respectively
Rheostatic fixing end connection；The slip with the 4th slide rheostat respectively of the signal output part of 6th operational amplifier
End, the positive input terminal connection of the 7th operational amplifier；The other end ground connection of 13rd resistance；4th slide rheostat another
Fixing end is grounded；The negative input end of 7th operational amplifier one end with the 14th resistance, the one of the 5th slide rheostat respectively
A fixing end connection；The signal output part of 7th operational amplifier is connected with the sliding end of the 5th slide resistor；14th electricity
The other end ground connection of resistance；Another fixing end ground connection of 5th slide rheostat；The signal output part of 7th operational amplifier is also
It is connected with AD conversion module；The maximum amplification of the second amplifying circuit is 200；
Six operational amplifiers and the 7th operational amplifier, No. 4 pins connect -5V voltages, and No. 8 pins connect+5V voltages.
7. a kind of wrist pulse wave translation time that is based on according to claim 1 is without cuff blood pressure measuring device, its feature
It is, the AD conversion module, effect is the amplified signal for sending the Signal-regulated kinase received, and amplified signal is turned
Change digital signal into, and be transferred to single chip processing module.
8. a kind of wrist pulse wave translation time that is based on according to claim 1 is without cuff blood pressure measuring device, its feature
It is, the single chip processing module, including microcontroller, the digital signal that AD conversion module issues is received, and numeral is believed
Number handled, the digital signal handled well is handed down to TCP data segment.
9. a kind of wrist pulse wave translation time that is based on according to claim 1 is without cuff blood pressure measuring device, its feature
It is, the data transmission module, including 3G, 4G, wifi, bluetooth, ZIGBEE communication modules, for receiving microcontroller processing
Digital signal after resume module, and digital signal is handed down to upper computer module, while by digital signal in upper computer module
Intelligent terminal on show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720183721.XU CN207220809U (en) | 2017-02-28 | 2017-02-28 | One kind is based on wrist pulse wave translation time without cuff blood pressure measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720183721.XU CN207220809U (en) | 2017-02-28 | 2017-02-28 | One kind is based on wrist pulse wave translation time without cuff blood pressure measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207220809U true CN207220809U (en) | 2018-04-13 |
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ID=61838557
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720183721.XU Expired - Fee Related CN207220809U (en) | 2017-02-28 | 2017-02-28 | One kind is based on wrist pulse wave translation time without cuff blood pressure measuring device |
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| CN (1) | CN207220809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464322A (en) * | 2019-09-25 | 2019-11-19 | 宁波智能装备研究院有限公司 | A kind of impulse blood pressure measuring circuit of high sensitivity |
-
2017
- 2017-02-28 CN CN201720183721.XU patent/CN207220809U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464322A (en) * | 2019-09-25 | 2019-11-19 | 宁波智能装备研究院有限公司 | A kind of impulse blood pressure measuring circuit of high sensitivity |
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