CN106859613A - A kind of long-range pulses measure terminal and its measuring method - Google Patents
A kind of long-range pulses measure terminal and its measuring method Download PDFInfo
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- CN106859613A CN106859613A CN201710108167.3A CN201710108167A CN106859613A CN 106859613 A CN106859613 A CN 106859613A CN 201710108167 A CN201710108167 A CN 201710108167A CN 106859613 A CN106859613 A CN 106859613A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
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Abstract
The invention discloses a kind of long-range pulses measure terminal, including pulse signal receiving terminal and multiple pulse signal test sides, multiple pulse signal test sides are used to detect that user's pulse information is sent to pulse signal receiving terminal, each pulse signal test side includes a pulse detection unit, one pulse signal processing unit and a main side communication unit, pulse signal receiving terminal includes terminal communication unit, pulse signal reception processing unit and host computer, pulse signal processing unit connects pulse detection unit, main side communication unit connection pulse signal processing unit is simultaneously sent to terminal communication unit the digital pulse information of conversion, the terminal communication unit connects pulse signal reception processing unit, the pulse signal reception processing unit resolves go out digital pulse information and are uploaded to host computer, simultaneously and disclose its measuring method.Detection method of the invention is stable, accurate, can at any time measure the pulse of human body, and the information for measuring by being wirelessly transmitted to host computer.
Description
Technical field
The present invention relates to medical detection field, more particularly to a kind of long-range pulses measure terminal and its measuring method.
Background technology
The health status of patient is determined by detecting pulse, is one of most basic diagnostic method of doctor, such as the rhythm of the heart,
Pulse condition and blood pressure etc., but because these equipment instruments are larger, not Portable belt, and instrument cost is high, expensive, complex operation.
On the one hand, in clinical inpatients routine monitoring, each doctor's morning and afternoon measures the Pulse Rate of each patient respectively twice, no
Operating efficiency is only influenceed, and is unable to continuous monitoring, it is impossible to Real Time Observation.A kind of Intelligent wireless pulse transmitter is needed, can be with
Can continuously, the information of dynamic measurement Pulse Rate and the information of measurement by being wirelessly transmitted to host computer (namely working doctor
Room) shown and stored, to improve operating efficiency, reduce the working strength of doctor.On the other hand, due to the people of some patients
Body pulse is very weak signal, and around patient through being commonly present the environmental disturbances such as various vibrations, electromagnetism, it is difficult to take
Obtain high s/n ratio, the pulse signal of stabilization.Therefore urgent need one kind can carry out effective, reliable, convenient real-time to human pulse
Measuring terminals system.
The content of the invention
It is of the invention long-range it is an object of the invention to provide a kind of long-range pulses measure terminal and its measuring method
Pulses measure terminal interference is strong and can at any time measure the pulse of human body, can stablize, accurate, continuous, dynamic measurement Pulse Rate
Information and measurement information by being wirelessly transmitted to host computer, to achieve these goals, the present invention use following technology
Effect：
According to the one side that this hair is invented, there is provided a kind of long-range pulses measure terminal, including pulse signal receiving terminal
With multiple pulse signal test sides, multiple pulse signal test sides are used to detect user's pulse information and wirelessly
Send to pulse signal receiving terminal, each described pulse signal test side includes pulse detection unit, a pulse signal
Processing unit and a main side communication unit, the pulse signal receiving terminal include terminal communication unit, pulse signal receiving area
Reason unit and host computer, the pulse detection unit are used to detect the simulation pulse information of user, and the pulse signal treatment is single
Unit's connection pulse detection unit, the simulation pulse information for that will detect is converted to digital pulse information, the main side
Communication unit connects the pulse signal processing unit and sends to terminal communication unit the digital pulse information of conversion, the end
End communication unit connection pulse signal reception processing unit, the pulse signal reception processing unit resolves go out the digital pulse letter
Cease and be uploaded to host computer.
Preferably, a pulse detection unit includes the first pulse transducer, the second pulse transducer, the 3rd pulse
Sensor, the first pulse amplifying circuit, the second pulse amplifying circuit, the 3rd pulse amplifying circuit, the first pulse shaping circuit,
Two pulse shaping circuits, the 3rd pulse shaping circuit and numerical frequency synthesis module, first pulse transducer pass through first
Pulse amplifying circuit is connected with the first pulse shaping circuit, output end and the numeral of the first pulse shaping circuit
Frequency synthesis module first input end is connected, and second pulse transducer passes through the second pulse amplifying circuit and second arteries and veins
Shaping circuit of fighting is connected, and the output end of the second pulse shaping circuit connects with the input of Digital Frequency Synthesize module second
Connect, the 3rd pulse transducer is connected by the 3rd pulse amplifying circuit with the 3rd pulse shaping circuit, the described 3rd
The output end of pulse shaping circuit is connected with the input of Digital Frequency Synthesize module the 3rd, the Digital Frequency Synthesize module
Output end be connected with the step-by-step counting end of the pulse signal processing unit.
Preferably, the first pulse amplifying circuit, the second pulse amplifying circuit, the 3rd pulse amplifying circuit include respectively
First order amplifying circuit and second level amplifying circuit；The first order amplifying circuit includes coupled capacitor C1, resistance R1, resistance
R2, resistance R3, resistance R4, the first reference source and the first amplifier comparator U1；The second level amplifying circuit include electric capacity C2,
Resistance R5, resistance R6, resistance R7 and the second amplifier comparator U2, the signal transformation circuit include the 3rd amplifier comparator U3,
Adjustable potentiometer POT1, resistance R8, electric capacity C4 and the second reference source；One end of the electric capacity C1, one end of resistance R1 and first
The negative input connection of amplifier comparator U1, first reference source is being powered resistance R2 and the first amplifier comparator U1 just
The connection of pole input, the output end of first amplifier comparator U1 one end respectively with the resistance R3, one end of electric capacity C2 connect
Connect, the other end of resistance R3 is connected with the negative input of the first amplifier comparator U1, one end of the resistance R4 and the
The electrode input end connection of one amplifier comparator U1, the positive pole of the other end of the electric capacity C2 and the second amplifier comparator U2
One end connection of input, resistance R6, the negative input of the second amplifier comparator U2 respectively with one end, the electricity of the resistance R7
Hinder one end connection of one end of R5, electric capacity C2, the output end of the second amplifier comparator U2 other end respectively with the resistance R7,
The electrode input end connection of the other end of resistance R5, the 3rd amplifier comparator U3, one end of the adjustable potentiometer POT1 and institute
The connection of the second reference source is stated, the center tap terminal of adjustable potentiometer POT1 is input into the negative pole of the 3rd amplifier comparator U3
End connection, the output end of the 3rd amplifier comparator U3 one end respectively with the electric capacity C4, one end of resistance R8 are connected, institute
The other end for stating resistance R8 is connected with the digital count signal end of the signal detection processor, the adjustable potentiometer POT1's
The other end, the other end of electric capacity C4, the other end of resistance R6, the other end of resistance R5, the other end of resistance R4 connect with ground respectively
Connect.
Preferably, the pulse signal test side also includes keyboard circuit, Temperature Humidity Sensor, a sound
Input unit and a display circuit, the keyboard circuit, Temperature Humidity Sensor, acoustic input dephonoprojectoscope, display circuit respectively with
Signal detection processor is connected, and the pulse signal receiving terminal also includes alarm unit, and the alarm unit is believed with the pulse
Number reception processing unit.
Preferably, the model that first pulse transducer, the second pulse transducer and the 3rd pulse transducer are used
HK-2000B pulse transducers.
Preferably, the voltage swing of first reference source is 1.5V~2.5V, the voltage swing of second reference source
It is 4.5V~5.1V.
Preferably, the terminal communication unit and main side communication unit are all used and carried out based on Zigbee wireless communication modules
Wireless communication connection, the model CC2430 chips that it is used；The host computer passes through serial data with signal processor is received
Bus is communicatively coupled.
According to the other side that this hair is invented, there is provided a kind of long-range pulses measure method, comprise the following steps：
Step 1：Pulse information, the inspection of the second pulse transducer are simulated using the first via of the first pulse transducer detection user
The second tunnel simulation pulse information of user is surveyed, the first via simulation pulse information of the 3rd pulse transducer detection user respectively will
The first via simulation pulse information, the second tunnel simulation pulse information and the 3rd tunnel simulation pulse information be amplified successively, filter, it is whole
Three road pulse shaping signals are exported after shape, then processes to carry the digital pulse signal of output stabilization by frequency synthesis；
Step 2：The step-by-step counting end of pulse signal processing unit is carried out into counting treatment to the digital pulse signal, so
The pulse wave data of handled rear output are stored and shown afterwards, and the pulse wave data that will be exported after treatment are communicated by main side
Unit carries out up-conversion and sends to terminal communication unit；
Step 3：The pulse wave data that the terminal communication unit will be received carry out down-converted, are then forwarded to
Pulse signal reception processing unit resolves go out complete pulse wave data and are stored, then are uploaded to by serial bus
Position machine；
Such scheme is it is further preferred that in the step 2, the pulse signal processing unit counts treatment to be included such as
Lower step：
Step 2a：Pulse signal processing unit starts timing when receiving digital pulse signal, and detects that timing time is
It is no less than preset value；The digital pulse signal is otherwise continued to, and the digital pulse signal is calculated and is fitted
Go out pulse waveform figure, point out detection to terminate if preset value is greater than or equal to；
Step 2b：Judge whether to preserve and calculate and fit pulse waveform figure, if so, the pulse information is then stored,
And display shows and send the pulse waveform figure in real time, otherwise return to step 2a is continued executing with.
Such scheme is it is further preferred that in the step 3, shown pulse signal reception processing unit resolves go out completely
Pulse wave data be that pulse wave data to being received are filtered extraction, then to filtering the pulse wave figurate number extracted
According to treatment, smoothing processing, enhanced processing is identified successively, to obtain the complete pulse waveform figure.
Present invention employs above-mentioned technical proposal, the present invention has following technique effect：
(1), long-range pulses measure terminal security of the invention is reliable, easy to use, and the pulse of human body, measurement are measured at any time
Result is accurate, stabilization, can continuously, the information of dynamic measurement Pulse Rate and the information of measurement by being wirelessly transmitted on
Position machine.Long-range pulses measure terminal of the invention can detect contraction and the diastole situation of human body ventricular cycle, and to pulse
The signal of vibration carry out synthesis and retransmit to pulse signal receiving terminal (host computer or medical personnel after shaping by amplifying
Operating room), form, intensity, speed and section that the vibration wave signal that medical personnel can read pulse from host computer is showed
The integrated information of the aspects such as rule reacts the health status of human body or patient, and the present invention is a kind of underload, low cost, advanced reality
Pulse detection system, improves operating efficiency, reduces the working strength of medical personnel.
(2), measuring terminals of the invention and its measuring method can more accurately detect the pulse of user, by three
Road pulse transducer measures the pulse signal at the identical or different position of human body simultaneously, and the pulse information of user is closed by frequency
Counted after and shown and uploaded, the three road pulse signals for detecting are had frequency higher after being processed
The features such as stability, relatively low phase noise and frequency resolution higher, make human body pulses measure more accurate, the knot of measurement
Fruit has more reference value.
Brief description of the drawings
Fig. 1 is a kind of telecommunication network connection figure of long-range pulses measure terminal of the present invention；
Fig. 2 is a kind of Cleaning Principle of long-range pulses measure terminal of the present invention；
Fig. 3 is the schematic diagram of signal amplification circuit of the invention and signal transformation circuit.
Specific embodiment
To make the objects, technical solutions and advantages of the present invention become more apparent, referring to the drawings and preferred reality is enumerated
Example is applied, the present invention is described in more detail.However, it is necessary to explanation, many details listed in specification are only to be
The reader is set to have a thorough explanation to one or more aspects of the invention, can also even without these specific details
Realize the aspects of the invention.
As shown in figure 1, a kind of long-range pulses measure terminal of the invention, including pulse signal receiving terminal and multiple arteries and veins
Signal detection of fighting end, multiple pulse signal test sides are used to detect user's pulse information and wirelessly send to arteries and veins
Fight signal receiving end, each described pulse signal test side includes pulse detection unit, a pulse signal processing unit
With a main side communication unit, the pulse signal receiving terminal include terminal communication unit, pulse signal reception processing unit and
Host computer, the pulse detection unit is used to detect the simulation pulse information of user, and the pulse signal processing unit connects institute
Pulse detection unit is stated, the simulation pulse information for that will detect is converted to digital pulse information, the main side communication unit
Connect the pulse signal processing unit and send to terminal communication unit the digital pulse information of conversion, the terminal communication list
Unit's connection pulse signal reception processing unit, the pulse signal reception processing unit resolves go out the digital pulse information and upload
To host computer, pulse signal reception processing unit is uploaded by serial data bus, the pulse signal processing unit and
Pulse signal reception processing unit uses DSP；The terminal communication unit and main side communication unit are all adopted
Wireless communication connection is carried out with based on Zigbee wireless communication modules, the model CC2430 chips that it is used.In the present invention,
One pulse detection unit includes the first pulse transducer, the second pulse transducer, the 3rd pulse transducer, the first pulse
Amplifying circuit, the second pulse amplifying circuit, the 3rd pulse amplifying circuit, the first pulse shaping circuit, the second pulse shaping circuit,
3rd pulse shaping circuit and numerical frequency synthesis module, first pulse transducer pass through the first pulse amplifying circuit and institute
State the connection of the first pulse shaping circuit, the output end of the first pulse shaping circuit and the Digital Frequency Synthesize module first
Input is connected, and second pulse transducer is connected by the second pulse amplifying circuit with the second pulse shaping circuit,
The output end of the second pulse shaping circuit is connected with the input of Digital Frequency Synthesize module second, the 3rd pulse
Sensor is connected by the 3rd pulse amplifying circuit with the 3rd pulse shaping circuit, the 3rd pulse shaping circuit it is defeated
Go out end to be connected with the input of Digital Frequency Synthesize module the 3rd, output end and the arteries and veins of the Digital Frequency Synthesize module
Fight signal processing unit step-by-step counting end connection；The pulse signal test side also include keyboard circuit, one it is warm and humid
Degree sensor, an acoustic input dephonoprojectoscope and a display circuit, the keyboard circuit, Temperature Humidity Sensor, sound input dress
Put, display circuit is connected with signal detection processor respectively, the pulse signal receiving terminal also includes alarm unit, the alarm
Unit and the pulse signal reception processing unit；First pulse transducer, the second pulse transducer and the 3rd pulse are passed
The model HK-2000B pulse transducers that sensor is used.
The first pulse amplifying circuit, the second pulse amplifying circuit, the 3rd pulse amplifying circuit include the first order respectively
Amplifying circuit and second level amplifying circuit；The first order amplifying circuit includes coupled capacitor C1, resistance R1, resistance R2, resistance
R3, resistance R4, the first reference source Verf1 and the first amplifier comparator U1；The second level amplifying circuit includes electric capacity C2, electricity
Resistance R5, resistance R6, resistance R7 and the second amplifier comparator U2, the signal transformation circuit include the 3rd amplifier comparator U3, can
Adjust potentiometer POT1, resistance R8, electric capacity C4 and the second reference source Verf2；One end of the electric capacity C1, one end of resistance R1 and the
The negative input connection of one amplifier comparator U1, per the detection user pulse information point of pulse transducer detection output all the way
It is not input into from the other end of the electric capacity C1 in respective amplifying circuit, the first reference source Verf1 is powered and hinders R2 and described first
The electrode input end connection of amplifier comparator U1, the output end of first amplifier comparator U1 is respectively with the one of the resistance R3
End, one end connection of electric capacity C2, the other end of resistance R3 is connected with the negative input of the first amplifier comparator U1, described
One end of resistance R4 is connected with the electrode input end of the first amplifier comparator U1, and the other end of the electric capacity C2 is put with described second
One end connection of the electrode input end, resistance R6 of big comparator U2, the negative input of the second amplifier comparator U2 respectively with institute
State one end connection of one end of resistance R7, one end of resistance R5, electric capacity C2, the output end of the second amplifier comparator U2 respectively with institute
State the other end, the other end of resistance R5, the electrode input end connection of the 3rd amplifier comparator U3, the adjustable potential of resistance R7
One end of device POT1 is connected with the second reference source Verf2, the center tap terminal of adjustable potentiometer POT1 and the described 3rd
The negative input connection of amplifier comparator U3, the output end of the 3rd amplifier comparator U3 is respectively with the one of the electric capacity C4
End, one end connection of resistance R8, the other end of the resistance R8 connect with the digital count signal end of the signal detection processor
Connect, the other end of the adjustable potentiometer POT1, the other end of electric capacity C4, the other end of resistance R6, the other end of resistance R5, electricity
The other end for hindering R4 is connected to ground respectively；The voltage swing of the first reference source Verf1 is 1.5V~2.5V, second ginseng
The voltage swing of source Verf2 is examined for 4.5V~5.1V, the analog signal voltage scope of pulse transducer output be -0.1V~
It is to eliminate negative voltage signal and raising, the need for meeting rear class step-by-step counting between 70Hz~100Hz that 0.6V, frequency range are；
Due to very low through passing the pulse signal frequency of pulse sensor output, it is easy to introduce interference, these interference have the work from 50Hz
Frequency interference, human body shake, nervous artifact signals for bringing etc..Therefore need for pulse signal and interference signal to carry out one-level
Amplify, two grades amplify and filter and remove interference component, finally by shaping export 0~5V pulse signal be input into numerical frequency
Synthesis module carries out synthesis treatment.The present invention detects user's pulse information respectively using the pulse transducer of three-channel parallel,
Respective pulse amplifying circuit, pulse shaping circuit are all set per the detection user's pulse information of pulse transducer all the way to be input into number
Word frequency synthesis module is synthesized, and three road pulse transducers is detected the pulse information of three road different frequencies, then by closing
Into a superposed signal and the digital pulse signal of outputting stable frequency.
The first amplifier comparator U1, the second amplifier comparator U2 and the 3rd amplifier comparator U3 use LM358 computings
Comparison amplifier, the small-signal that three road pulse transducers are collected carries out faint putting by respective first amplifier comparator U1
Greatly, because the analog signal voltage scope of pulse transducer output is smaller, because the voltage swing of the first reference source Verf1 is
2.5V, compare output signal magnitude will less than 2.5V, can eliminate it is outside or produced because circuit parasitic is coupled from
Induced Oscillation, and amplify for next step signal, shaping and frequency synthesis are prepared, the first order amplifies the pulse signal of output by the
Second amplifying circuit forms LPF and amplification, further filtering is made in the amplifying circuit of the second level and amplification will be unnecessary
Interference signal filter out, the main Hz noise for eliminating below 50Hz, the signal of second level amplifying circuit output is by shaping
After be input into Digital Frequency Synthesize module and synthesized, at digital pulse signal to the pulse signal of the outputting stable frequency of output
The digital count signal end for managing unit is counted (trailing edge of digital pulse signal is started counting up when arriving), the arteries and veins that will be counted out
Number of times of fighting wirelessly sends to pulse signal reception processing unit and separates out complete pulse wave data, is then uploaded to
Host computer (namely medical personnel operating room) is shown and is stored, and the vibration wave signal institute of pulse is read for medical personnel
Form, intensity, speed and rhythm and pace of moving things for showing etc..Temperature Humidity Sensor (the model DHT11 of use) collection simultaneously is warm in real time
Humidity, and Pulse Rate per minute and warm and humid angle value are shown by display circuit, and the upper of Pulse Rate is configured by key circuit
Limit and lower limit, patient can be conversed by acoustic input dephonoprojectoscope (such as microphone) with medical personnel.Meanwhile, each pulse inspection
The Zigbee wireless modules for surveying end send the Pulse Rate of measured, pulse signal receiving terminal to the host computer of pulse signal receiving terminal
Zigbee wireless modules receive and Pulse Rate and processed, once the pulse values of measured exceed setting value, pulse signal
Receiving terminal can send alarm, and data are passed into computer host computer by serial ports, and medical personnel can at any time monitor in host computer
The situation of each unit patients.
It is this embodiment offers a kind of long-range pulses measure method including following according to the other side that this hair is invented
Step：
Step 1：Pulse information, the inspection of the second pulse transducer are simulated using the first via of the first pulse transducer detection user
The second tunnel simulation pulse information of user is surveyed, the first via simulation pulse information of the 3rd pulse transducer detection user respectively will
The first via simulation pulse information, the second tunnel simulation pulse information and the 3rd tunnel simulation pulse information be amplified successively, filter, it is whole
Three road pulse shaping signals are exported after shape, then processes to carry the digital pulse signal of output stabilization by frequency synthesis；The present invention
Measuring terminals and its measuring method can more accurately detect the pulse of user, surveyed simultaneously by three road pulse transducers
The pulse signal at the identical or different position of amount human body, and by the pulse information of user after frequency synthesis by being counted and is carried out
Display and upload, the three road pulse signals for detecting have frequency stability higher, relatively low phase after being processed
The features such as noise and frequency resolution higher；
Step 2：The step-by-step counting end of pulse signal processing unit is carried out into counting treatment to the digital pulse signal, so
The pulse wave data of handled rear output are stored and shown afterwards, and the pulse wave data that will be exported after treatment are communicated by main side
Unit carries out up-conversion and sends to terminal communication unit；The pulse signal processing unit counts processing procedure：Pulse is believed
Whether number processing unit starts timing when receiving digital pulse signal, and detect timing time less than preset value；Otherwise continue
The digital pulse signal is received, and pulse waveform figure is calculated and fitted to the digital pulse signal, if being greater than
Or then point out detection to terminate equal to preset value；Then judge whether to preserve and calculate and fit pulse waveform figure, if so, then depositing
Store up the pulse information, and display shows and send the pulse waveform figure in real time, otherwise return above-mentioned counting processing procedure after
It is continuous to perform；
Step 3：The pulse wave data that the terminal communication unit will be received carry out down-converted, are then forwarded to
Pulse signal reception processing unit resolves go out complete pulse wave data and are stored, then are uploaded to by serial bus
Position machine；It is the pulse wave data to being received that shown pulse signal reception processing unit resolves go out complete pulse wave data
Extraction is filtered, then treatment, smoothing processing, enhanced processing is identified successively to filtering the pulse wave data extracted,
To obtain the complete pulse waveform figure.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of long-range pulses measure terminal, it is characterised in that：Including pulse signal receiving terminal and multiple pulse signal test sides,
Multiple pulse signal test sides are used to detect user's pulse information and wirelessly send to pulse signal receiving terminal,
Each described pulse signal test side includes a pulse detection unit, a pulse signal processing unit and a main side communication
Unit, the pulse signal receiving terminal includes terminal communication unit, pulse signal reception processing unit and host computer, the pulse
Detection unit is used to detect the simulation pulse information of user, and the pulse signal processing unit connects the pulse detection unit,
Simulation pulse information for that will detect is converted to digital pulse information, and the main side communication unit connects the pulse signal
Processing unit is simultaneously sent to terminal communication unit the digital pulse information of conversion, and terminal communication unit connection pulse signal connects
Processing unit is received, the pulse signal reception processing unit resolves go out the digital pulse information and are uploaded to host computer.
2. a kind of long-range pulses measure terminal according to claim 1, it is characterised in that：One pulse detection unit
Put including the first pulse transducer, the second pulse transducer, the 3rd pulse transducer, the first pulse amplifying circuit, the second pulse
Big circuit, the 3rd pulse amplifying circuit, the first pulse shaping circuit, the second pulse shaping circuit, the 3rd pulse shaping circuit and
Digital Frequency Synthesize module, first pulse transducer passes through the first pulse amplifying circuit and the first pulse shaping circuit
Connection, the output end of the first pulse shaping circuit is connected with the Digital Frequency Synthesize module first input end, and described the
Two pulse transducers are connected by the second pulse amplifying circuit with the second pulse shaping circuit, the second pulse shaping electricity
The output end on road is connected with the input of Digital Frequency Synthesize module second, and the 3rd pulse transducer passes through the 3rd pulse
Amplifying circuit is connected with the 3rd pulse shaping circuit, the output end and the numerical frequency of the 3rd pulse shaping circuit
The input of synthesis module the 3rd is connected, the arteries and veins of the output end of the Digital Frequency Synthesize module and the pulse signal processing unit
Rush counting end connection.
3. a kind of long-range pulses measure terminal according to claim 2, it is characterised in that：First pulse amplifies electricity
Road, the second pulse amplifying circuit, the 3rd pulse amplifying circuit include first order amplifying circuit and second level amplifying circuit respectively；Institute
State first order amplifying circuit including coupled capacitor C1, resistance R1, resistance R2, resistance R3, resistance R4, the first reference source and first
Amplifier comparator U1；The second level amplifying circuit includes electric capacity C2, resistance R5, resistance R6, resistance R7 and the second zoom comparison
Device U2, the signal transformation circuit includes the 3rd amplifier comparator U3, adjustable potentiometer POT1, resistance R8, electric capacity C4 and second
Reference source；One end of the electric capacity C1, one end of resistance R1 are connected with the negative input of the first amplifier comparator U1, and described
One reference source energization resistance R2 is connected with the electrode input end of the first amplifier comparator U1, and first amplifier comparator U1's is defeated
Go out end one end respectively with the resistance R3, one end of electric capacity C2 to be connected, the other end of resistance R3 and first zoom comparison
The negative input connection of device U1, one end of the resistance R4 is connected with the electrode input end of the first amplifier comparator U1, described
The other end of electric capacity C2 is connected with the electrode input end of the second amplifier comparator U2, one end of resistance R6, the second amplification ratio
Negative input compared with device U2 one end respectively with the resistance R7, one end of resistance R5, one end of electric capacity C2 are connected, and second puts
The output end of the big comparator U2 other end respectively with the resistance R7, the other end of resistance R5, the 3rd amplifier comparator U3
Electrode input end is connected, and one end of the adjustable potentiometer POT1 is connected with second reference source, adjustable potentiometer POT1
Center tap terminal be connected with the negative input of the 3rd amplifier comparator U3, the output of the 3rd amplifier comparator U3
End one end respectively with the electric capacity C4, one end of resistance R8 are connected, at the other end of the resistance R8 and the signal detection
Manage the digital count signal end connection of device, the other end of the adjustable potentiometer POT1, the other end of electric capacity C4, resistance R6 it is another
One end, the other end of resistance R5, the other end of resistance R4 are connected to ground respectively.
4. a kind of long-range pulses measure terminal according to claim 1, it is characterised in that：The pulse signal test side is also
Including a keyboard circuit, Temperature Humidity Sensor, an acoustic input dephonoprojectoscope and a display circuit, the keyboard electricity
Road, Temperature Humidity Sensor, acoustic input dephonoprojectoscope, display circuit are connected with signal detection processor respectively, and the pulse signal connects
Receiving end also includes alarm unit, the alarm unit and the pulse signal reception processing unit.
5. a kind of sphygmus measurement system according to claim 1 or 2 or 3, it is characterised in that：The first pulse sensing
The model HK-2000B pulse transducers that device, the second pulse transducer and the 3rd pulse transducer are used.
6. a kind of sphygmus measurement system according to claim 3, it is characterised in that：The voltage swing of first reference source
It is 1.5V~2.5V, the voltage swing of second reference source is 4.5V~5.1V.
7. a kind of sphygmus measurement system according to claim 1, it is characterised in that：The terminal communication unit and main side are logical
Letter unit is all used and carries out wireless communication connection based on Zigbee wireless communication modules, the model CC2430 chips that it is used；
The host computer is communicatively coupled with signal processor is received by serial data bus.
8. a kind of long-range pulses measure method, it is characterised in that：Comprise the following steps：
Step 1：Pulse information is simulated using the first via of the first pulse transducer detection user, the detection of the second pulse transducer is used
The second tunnel simulation pulse information at family, the first via simulation pulse information of the 3rd pulse transducer detection user, respectively by first
Road simulation pulse information, the second tunnel simulation pulse information and the 3rd tunnel simulation pulse information be amplified, filter successively, after shaping
Three road pulse shaping signals are exported, then processes to carry the digital pulse signal of output stabilization by frequency synthesis；
Step 2：The step-by-step counting end of pulse signal processing unit is carried out into counting treatment, Ran Houcun to the digital pulse signal
The pulse wave data of output after storage and display are handled, the pulse wave data that will be exported after treatment pass through main side communication unit
Carry out up-conversion and send to terminal communication unit；
Step 3：The pulse wave data that the terminal communication unit will be received carry out down-converted, are then forwarded to pulse
Signal processing unit parses complete pulse wave data and is stored, then is uploaded to by serial bus upper
Machine.
9. a kind of long-range pulses measure method according to claim 7, it is characterised in that：The pulse signal processing unit
Counting treatment comprises the following steps：
Step 2a：Pulse signal processing unit starts timing when receiving digital pulse signal, and detects whether timing time is small
In preset value；The digital pulse signal is otherwise continued to, and arteries and veins is calculated and fitted to the digital pulse signal
Fight oscillogram, point out detection to terminate if preset value is greater than or equal to；
Step 2b：Judge whether to preserve and calculate and fit pulse waveform figure, if so, then storing the pulse information, and show
Show and show and send the pulse waveform figure in real time, otherwise return to step 2a is continued executing with.
10. a kind of long-range pulses measure method according to claim 7, it is characterised in that：Shown pulse signal receiving area
It is that the pulse wave data to being received are filtered extraction that reason unit resolves go out complete pulse wave data, then to being filtered
The pulse wave data of extraction are identified treatment, smoothing processing, enhanced processing successively, to obtain the complete pulse wave
Figure.
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