CN205758531U - Heart rate monitoring unit based on piezoelectric transducer - Google Patents
Heart rate monitoring unit based on piezoelectric transducer Download PDFInfo
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- CN205758531U CN205758531U CN201620235794.4U CN201620235794U CN205758531U CN 205758531 U CN205758531 U CN 205758531U CN 201620235794 U CN201620235794 U CN 201620235794U CN 205758531 U CN205758531 U CN 205758531U
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- heart rate
- piezoelectric transducer
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Abstract
The utility model discloses a kind of heart rate monitoring unit based on piezoelectric transducer, including heart rate acquisition module, trunk module and monitoring terminal；The vibration that described heart rate acquisition module produces for the heart beating detecting human body, and it is converted into vibration data transmission to the most described trunk module；Described trunk module is separately configured independent of described heart rate acquisition module, the vibration data received is converted into heart rate data send to described monitoring terminal, carry out rhythm of the heart being supplied to nursing staff, and then realize the long distance monitoring function to the old man in family or medical institutions or patient.Heartbeat detection device of the present utility model senses changes in heart rate and the respiratory frequency of custodial person based on piezoelectric transducer, detection sensitivity is high, easy to use, low cost, install without professional, can be laid immediately on bed, use on sofa and seat, flexible arrangement, the daily life of custodial person will not be produced any impact.
Description
Technical field
This utility model belongs to intelligent monitor technical field, specifically, relates to a kind of for monitoring people body-centered automatically
The monitor device of rate change.
Background technology
Heart rate refers to the heart number of times beated per minute, and it can relatively reliable reflect the functional condition of human body, Ke Yiwei
The early discovery of some disease provides foundation.Therefore, heart rate is a project that should detect for a long time, especially for heart disease
For patient and old people, heart rate detection should become a vital task of the daily monitoring of this kind of special population.
The method of monitor heart rate is a lot, and the most relatively conventional method has: pressure application, infrared method, electric-resistivity method and heart potential
Method.Wherein, more specialty can be applicable to clinical medicine is pressure application and heart potential method, but both approaches is required for doctor
Learning professional equipment and Professional knowledge could be measured, using method can produce great measurement error improperly.Infrared method and resistance
Method is common in the mini-plant of domestic. applications, and equipment based on both approaches design belongs to interim measurement equipment, it is impossible to rise
To the effect of long-term monitoring, and the measurement error between individuality differs greatly.
Clinical heart rate detection method is the most numerous and diverse, is easily subject to myoelectricity interference, motion artifacts, electrode contact interference and dispatch from foreign news agency
Equipment disturb, and need on the person paste electrode, people detection during can not voluntary activity, motility is poor.It addition, it is general
Heart rate measurement device generally use computer or other heavy-duty machines as terminal, have display concurrently, analyze and process and control function,
Need relatively complicated installation process and more placement space, and the mode of human observer Monitoring Data is the most single, not
The most convenient.
Summary of the invention
The purpose of this utility model is to provide a kind of heart rate monitoring unit based on piezoelectric transducer, is ensureing heart rate inspection
On the premise of the accuracy surveyed and real-time, motility and the convenience of detection can be improved.
For solving above-mentioned technical problem, this utility model is achieved by the following technical solutions:
A kind of heart rate monitoring unit based on piezoelectric transducer, including heart rate acquisition module, trunk module and monitoring terminal；
Described heart rate acquisition module for detecting the heart rate of human body, including housing and be arranged on the piezoelectric transducer in described housing,
Signal gathering unit and the first communication unit；The vibration that described piezoelectric transducer produces for the heart beating detecting human body, and change
The corresponding signal of telecommunication is become to export；Described signal gathering unit receives the signal of telecommunication of described piezoelectric transducer output, and is converted into and shakes
Dynamic data output；Described first communication unit receives the vibration data of described signal gathering unit output；Described trunk module is only
Standing on described heart rate acquisition module to be separately configured, including the second communication unit and processor, described second communication unit is with described
The first communication unit communicate, the vibration data described in reception；Described processor receives described second communication unit output
Vibration data, and be converted into heart rate data and send to the most described the second communication unit；Described monitoring terminal and described second
Communication unit carries out communication, receives the heart rate data that the second communication unit sends.
In order to enable described heart rate acquisition module to design institute according to actually used demand flexible arrangement, this utility model
State the first communication unit and the second communication unit uses communication to carry out data transmission；Wherein, described first communication list
Unit receives the vibration data of described signal gathering unit output, and is converted into radiofrequency signal transmission to the second the most described communication list
Unit, sends to described processor after being converted into the signal of telecommunication via the second communication unit.
Preferably, the first described communication unit can be RF433 radio-frequency module, bluetooth module or WiFi module；?
Described second communication unit is provided with described first communication unit mate communicate RF433 radio-frequency module, bluetooth module or
Person's WiFi module；In order to realize the purpose of long distance monitoring, in described second communication unit, it is additionally provided with mobile communication module, warp
Data interaction is carried out by mobile communications network and described monitoring terminal.
Further, being additionally provided with the first power supply unit in described heart rate acquisition module, output power supply is described
Piezoelectric transducer, signal gathering unit and the first communication unit power；Described first power supply unit is built in described housing
In.Being additionally provided with the second power supply unit in described trunk module, output power supply is the second described communication unit and place
Reason device is powered；Described trunk module is encapsulated in an independent housing.
In order to play dust-proof, waterproof effect, the housing of described heart rate acquisition module includes upper and lower two-layer waterproof case,
Described housing is provided with the implant being prone to conduction vibration signal, utilizes described implant by described piezoelectric transducer and upper strata
Shell fits, to improve the accuracy of heart rate detection.
Preferably, described implant is plastic pad, latex mattress or sponge；Described upper and lower two-layer waterproof case is outside plastics
Shell, mutually fastens and forms airtight chamber.
Preferably, the housing decision design squarely of described heart rate acquisition module, described piezoelectric transducer is strip, patch
It is combined in the centre position of the described upper strata shell of described heart rate acquisition module, to improve the sensitivity of vibration signal detection.
In order to the living environment of custodial person and active situation are carried out comprehensive monitoring, this utility model is at described relaying
Module is additionally provided with the one in infrared sensor, temperature sensor, humidity sensor, optical sensor and noise transducer
Or multiple, processor described in connection, the human body that then will be detected via the second described communication unit by processor is lived
Emotionally condition and ambient parameter send to long-range monitoring terminal, it is achieved long distance monitoring.
Preferably, described monitoring terminal can be nursing staff's smart mobile phone used in everyday or computer etc.,
While convenient nursing librarian use, nursing staff can be avoided to cause acquisition cost to rise because additionally monitoring terminal need to be purchased
Etc. problem.
Compared with prior art, advantage of the present utility model and good effect are:
(1) heartbeat detection device of the present utility model senses the changes in heart rate of custodial person based on piezoelectric transducer and exhales
Inhaling frequency, detection sensitivity is high, easy to use, low cost, it is not necessary to professional installs, it is simple to marketing；
(2) heart rate acquisition module and trunk module are designed to split-type structural by this utility model, be not only easy to install and
Safeguard, and heart rate acquisition module can be laid immediately on above mattress, below bedding or sand according to actually used demand
Send out, use on the medicated cushion of seat, flexible arrangement, it is not necessary to carry with chainless sense, heart rate prison can be completed in multiple occasion
Brake, and perform any operation without custodial person, it is achieved that the purpose of the minimum intervention of custodial person, and will not be to quilt
The daily life of guardian produces any impact；
(3) this utility model is by transmitting the heart rate data detected in real time to long-range monitoring terminal, so that
Nursing staff can check heart rate data and the respiratory frequency of custodial person at any time, in order to when dangerous situation occurs in custodial person
Can take urgent measure in time, easy to use flexibly.
After reading in conjunction with the accompanying the detailed description of this utility model embodiment, other feature of the present utility model and advantage
Will become clearer from.
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram of a kind of embodiment of the heart rate monitoring unit that this utility model is proposed；
Fig. 2 is the structural representation of a kind of embodiment of heart rate acquisition module in Fig. 1；
Fig. 3 is the structural representation of a kind of embodiment of trunk module in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in detail.
Shown in Figure 1, the heart rate monitoring unit of the present embodiment is mainly by heart rate acquisition module 10, trunk module 20 and prison
Protect terminal 30 3 part composition.Wherein, heart rate acquisition module 10 and trunk module 20 use split-type structural to design, can basis
The actually used demand of custodial person is arranged in different positions, to improve the convenience on using and motility.Wherein, heart rate
The vibration signal that acquisition module 10 produces due to heartbeat and the breathing of human body for detection, can be laid on bed during use
Above pad or below bedding or sofa, seat medicated cushion on, to gather vibration data exactly, and send to trunk module
20.Described trunk module 20, for extracting and change generation heart rate data from the vibration data received, sends to long-range
Monitoring terminal 30, to realize nursing staff's long distance monitoring to custodial person.
Below in conjunction with Fig. 1, concrete assembling structure and operation principle thereof to the heart rate monitoring unit of the present embodiment are carried out in detail
Thin elaboration.
The heart rate acquisition module 10 of the present embodiment is mainly provided with piezoelectric transducer, signal gathering unit, first lead to
The news circuit module such as unit and the first power supply unit.Wherein, piezoelectric transducer is that a kind of piezoelectric effect based on piezoelectric is come
Pressure signal is converted into the electronic device of the signal of telecommunication.For improving the precision of heart rate detection, the present embodiment preferably employs highly sensitive
The MEMS sensor of degree realizes the accurate perception to microvibration signal, to complete the life such as human heart rate and respiratory frequency
The accurate detection of sign data.By being sent to signal gathering unit by the vibration signal of piezoelectric transducer sensing output, pass through
Vibration signal is converted into corresponding vibration data by signal gathering unit, is sent to the first communication unit.Described first communication list
Unit, for carrying out data interaction with trunk module 20, sends to described trunk module 20 with the vibration data that will detect.Institute
State the first power supply unit for powering for described piezoelectric transducer, signal gathering unit and the first communication unit, it is provided that its institute
The working power needed.Can the most arbitrarily lay for the ease of heart rate acquisition module, the present embodiment is preferably adopted
Battery-powered mode designs the first described power supply unit, and arranges discharge and recharge electricity in the first described power supply unit
Road, utilizes charge-discharge circuit that described battery carries out charge and discharge control, and realizes the real-time detection to battery dump energy.Described
The battery dump energy detected is sent to described signal gathering unit by charge-discharge circuit, when signal gathering unit detects
When battery electric quantity is too low, generate low-current alarming signal, send to described trunk module 20, and then send via trunk module 20
To monitoring terminal 30, to remind nursing staff to charge in time, it is ensured that the seriality of heart rate detection.
The second communication unit, processor CPU and second power supply list it is mainly provided with in the trunk module 20 of the present embodiment
The circuit modules such as unit.Wherein, the second communication unit is used for communicating with the first communication unit in heart rate acquisition module 10, with
Receive the vibration data that heart rate acquisition module 10 detects.In the present embodiment, described first communication unit and described second leads to
News unit can carry out data interaction to use wire communication mode, it would however also be possible to employ communication carries out data transmission.For
Being easy to custodial person uses described heart rate monitoring unit, and the present embodiment preferably employs described in communication design the
One communication unit and the second communication unit.As a kind of preferred design of the present embodiment, the present embodiment preferably employs RF433
Radio-frequency module, bluetooth module or WiFi module etc. support first communication described in wireless radio frequency modules design of short range transmission
Unit, so that the vibration data that signal gathering unit exports to be converted into radiofrequency signal, sends to described trunk module 20.Institute
State the second communication unit of trunk module 20 is arranged and mate, with described first communication unit, the wireless radio frequency modules communicated, such as
RF433 radio-frequency module, bluetooth module or WiFi module etc., to realize the radio communication function with the first communication unit.
The rf data received is converted into the signal of telecommunication by described second communication unit, transmission to described processor CPU.
The signal of telecommunication (vibration data) received is filtered, processes by described processor CPU, represents heart rate, breathing frequency to be converted into
The data (hereinafter referred to as heart rate data) of the vital signs such as rate send to the second described communication unit, and then via the second communication list
Unit sends to described monitoring terminal 30.
In order to realize the purpose of long distance monitoring, the present embodiment preferably arranges mobile communication in the second communication unit further
Module, such as GPRS module, gsm module, CDMA module etc., and then realize trunk module 20 and monitoring by mobile communications network
The data communication of terminal 30, to be sent to nursing staff in real time by the heart rate of custodial person and breathing situation, in order to nursing
Personnel's health grasping custodial person at any time, everywhere, can sue and labour in time when there is dangerous situation.
In described trunk module 20, the second power supply unit is responsible for the power management of whole trunk module 20, Ke Yiwei
The second described communication unit and processor CPU provide its required working power.Same, lay for the ease of user,
Described second power supply unit, it is also preferred that use battery powered mode to carry out circuit design, is arranged in the second power supply unit simultaneously
Charge-discharge circuit, to realize the charge and discharge control to described battery.Utilize described charge-discharge circuit to described second power supply unit
In the dump energy of battery detect, and transmission in real time is to the most described processor CPU.When described processor CPU detects
To battery electric quantity too low time, generate low-current alarming signal, send to the most described monitoring terminal 30 via the second communication unit, to carry
Awake nursing staff charges in time, it is ensured that heart rate monitoring unit can use continuously.
In the present embodiment, described monitoring terminal 30 can be smart mobile phone or computer etc., by the heart of custodial person
Rate change display is on the display screen of monitoring terminal 30, in order to nursing staff's real-time monitored.
In order to make the heart rate monitoring unit of the present embodiment rationally can lay according to the actually used needs of user, this
Circuit module packing cloth in described heart rate acquisition module is located in an independent housing 11 by embodiment, as shown in Figure 2.Institute
State housing 11 to preferably employ the material of waterproof, pressure and easy conduction vibration signal and make, such as, can be designed to plastic casing 11,
To realize the envelope to circuit modules such as described piezoelectric transducer, signal gathering unit, the first communication unit and the first power supply units
Dress and waterproof insulation are protected.
In the present embodiment, described plastic casing 11 can be designed to upper and lower double-layer structure, i.e. overlying plastic shell and
Lower floor's cabinet, mutually fastens two layers of plastic shell formation airtight chamber, installs electronic unit therein with protection
And electronic circuit.
Additionally, arrange the implant being prone to conduction vibration signal, such as plastic pad, latex between upper and lower two-layer shell
Pad or sponge etc., to play sealing, dust-proof, waterproof effect.Utilize described implant by described piezoelectric transducer and upper strata
Shell fits tightly, and can improve the accuracy of heart rate detection.As in figure 2 it is shown, described housing 11 is preferably designed by the present embodiment
The shape of cross section of squarely structure, such as 8cm*8cm, the thickness of housing 11 should control within 2cm, more Bao Yuehao, to keep away
Exempt to produce when custodial person presses thereon uncomfortable sensation.Piezoelectric transducer 12 usually strip, such as about 5cm, excellent
Choosing is fitted in the centre position of upper strata shell, such as at center position, to improve the sensitivity of vibration signal detection.
According to actually used demand, described heart rate acquisition module 10 can be laid in bed, on sofa or seat
Upper use, all can complete rhythm of the heart function under different occasions.Further, described heart rate acquisition module 10 need not take with oneself
Band, chainless sense, without crossing multioperation during use, do not interfere with the daily life of custodial person, reached to be guarded
The purpose of design of the minimum intervention of person.
For described trunk module 20, equally it is independently positioned in a single housing 21, such as with the heart
In the plastic casing that rate acquisition module 10 is identical, to play the effect of protection its internal circuit.One as the present embodiment is excellent
Select design, described housing 21 it is also preferred that be designed to square structure, the shape of cross section of such as 8cm*8cm, thickness does not has
Too much requirement.During use, the head of a bed or the distance not far correct position of heart rate acquisition module 10 can be placed in.
In order to the living environment of custodial person and active situation are realized comprehensive monitoring, the present embodiment is at described relaying mould
Block 20 can also arrange infrared sensor 22, temperature sensor, humidity sensor, optical sensor and noise sensing further
The ambient parameter sensing devices such as device, as shown in Figure 1.These ambient parameter sensing devices are arranged on the housing 21 of trunk module 20
On, and the processor CPU described in connection, the detection of each ambient parameter sensing device sensing output is received by processor CPU
Signal, and be converted into and detect data accordingly, send to long-range monitoring terminal 30 via the second communication unit, to realize remotely
The function of comprehensive monitoring.
As a kind of preferred design of the present embodiment, described infrared sensor 22 can be arranged on trunk module
In the layer shell of 20, as it is shown on figure 3, be preferably placed at the center position of layer shell, in order to indoor human body is had
Effect scanning.The infrared ray that infrared sensor 22 is sent by detection human body determines whether there is the human body indoor activity at its place,
If it exceeds 24 hours are not detected by infrared signal, then judge that custodial person goes out or accident occurs, and then make emergent
Process, send alarm by trunk module 20 to monitoring terminal 30 and remind.Described trunk module 20 is placed on head of a bed position, because of
Detection for infrared sensor 22 has certain angle, therefore can filter out the short and small animal such as kitten, doggie to detection data
Impact.
In the layer shell of trunk module 20, the position of the opposite sides that is positioned at infrared sensor 22 can also enter one
Step offers MIC 23, and described MIC 23, with to be built in noise transducer in housing 21 the most right, is made an uproar with perception environment exactly
Sound.Gather the data such as illumination, noise by optical sensor and noise transducer, the sleep residing for custodial person can be analyzed
Environment whether work and rest on custodial person produces impact.Temperature sensor and humidity sensor is utilized to gather indoor humiture feelings
Condition, can realize comprehensive detection to the comfort level of custodial person's living environment.
The present embodiment is that the specific group such as cardiac, old man provides a kind of monitoring means easy to use, human body
Can under complete unrestraint state, detect real-time and accurately the vital sign datas such as breathing, heart beating and whether bed/
From bed, body is dynamic or carries out other exceptional state alarms, and utilizes communication that relevant data are sent to monitoring terminal
30(PC end or cell phone terminal) on, to realize the monitoring to heart rate, to record and alert, provide for multiple cardiopathic diagnosis
Correct foundation reliably, can be that the clinical analysis state of an illness, diagnosis establishment, Outcome measure etc. provide important objective basis.
Certainly, the above is only a kind of preferred implementation of the present utility model, for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (10)
1. a heart rate monitoring unit based on piezoelectric transducer, it is characterised in that: include heart rate acquisition module, trunk module and
Monitoring terminal, wherein,
Described heart rate acquisition module, for detecting the heart rate of human body, comprising:
Housing；
Piezoelectric transducer, it is arranged in described housing, for detecting the vibration that the heart beating of human body produces, and is converted into corresponding
The signal of telecommunication output；
Signal gathering unit, it is arranged in described housing, receives the signal of telecommunication of described piezoelectric transducer output, and is converted into
Vibration data exports；
First communication unit, it is arranged in described housing, receives the vibration data of described signal gathering unit output；
Described trunk module, is separately configured independent of described heart rate acquisition module, comprising:
Second communication unit, it communicates with the first described communication unit, the vibration data described in reception；
Processor, it receives the vibration data of described second communication unit output, and is converted into heart rate data transmission to the most described
Second communication unit；
Described monitoring terminal, carries out communication with the second described communication unit, receives the heart rate data that the second communication unit sends.
Heart rate monitoring unit based on piezoelectric transducer the most according to claim 1, it is characterised in that: described first communication
Unit and the second communication unit use communication to carry out data transmission；Wherein, described first communication unit receives described
The vibration data of signal gathering unit output, and it is converted into the second communication unit that radiofrequency signal transmission is the most described, via second
Communication unit sends to described processor after being converted into the signal of telecommunication.
Heart rate monitoring unit based on piezoelectric transducer the most according to claim 2, it is characterised in that: described first communication
Unit is RF433 radio-frequency module, bluetooth module or WiFi module；Described second communication unit is provided with and described first
RF433 radio-frequency module, bluetooth module or the WiFi module of communication unit coupling communication；Described second communication unit also sets
It is equipped with mobile communication module, carries out data interaction via mobile communications network and described monitoring terminal.
Heart rate monitoring unit based on piezoelectric transducer the most according to claim 1, it is characterised in that: adopt at described heart rate
Being additionally provided with the first power supply unit in collection module, output power supply is described piezoelectric transducer, signal gathering unit and the
One communication unit is powered；Described first power supply unit is built in described housing.
Heart rate monitoring unit based on piezoelectric transducer the most according to claim 1, it is characterised in that: at described relaying mould
Being additionally provided with the second power supply unit in block, output power supply is the second described communication unit and processor is powered；In described
The module that continues is encapsulated in an independent housing.
Heart rate monitoring unit based on piezoelectric transducer the most according to any one of claim 1 to 5, it is characterised in that:
The housing of described heart rate acquisition module includes upper and lower two-layer waterproof case, is provided with and is prone to conduction vibration signal in described housing
Implant, utilize described implant to be fitted with upper strata shell by described piezoelectric transducer.
Heart rate monitoring unit based on piezoelectric transducer the most according to claim 6, it is characterised in that: described implant is
Plastic pad, latex mattress or sponge；Described upper and lower two-layer waterproof case is cabinet, mutually fastens and forms airtight chamber.
Heart rate monitoring unit based on piezoelectric transducer the most according to claim 6, it is characterised in that: described heart rate collection
The housing of module is square, and described piezoelectric transducer is strip, is fitted in the described upper strata shell of described heart rate acquisition module
Centre position.
Heart rate monitoring unit based on piezoelectric transducer the most according to any one of claim 1 to 5, it is characterised in that:
Infrared sensor, temperature sensor, humidity sensor, optical sensor and noise sensing it is additionally provided with in described trunk module
One or more in device, the processor described in connection.
Heart rate monitoring unit based on piezoelectric transducer the most according to any one of claim 1 to 5, it is characterised in that:
Described monitoring terminal is smart mobile phone or computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620235794.4U CN205758531U (en) | 2016-03-25 | 2016-03-25 | Heart rate monitoring unit based on piezoelectric transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620235794.4U CN205758531U (en) | 2016-03-25 | 2016-03-25 | Heart rate monitoring unit based on piezoelectric transducer |
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| Publication Number | Publication Date |
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| CN205758531U true CN205758531U (en) | 2016-12-07 |
Family
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| CN201620235794.4U Expired - Fee Related CN205758531U (en) | 2016-03-25 | 2016-03-25 | Heart rate monitoring unit based on piezoelectric transducer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088057A (en) * | 2017-05-16 | 2017-08-25 | 深圳市云传智联技术有限公司 | A kind of vital signs monitoring chair band and system based on Piezoelectric sensing technique |
| CN107506578A (en) * | 2017-08-09 | 2017-12-22 | 浙江工业大学 | The medical treatment ＆ health clinical monitoring system of multi-path RFDC processing based on ARM |
| CN112401859A (en) * | 2020-11-10 | 2021-02-26 | 石家庄万医电子科技有限公司 | Real-time monitoring frequency conversion cardiotachometer |
-
2016
- 2016-03-25 CN CN201620235794.4U patent/CN205758531U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088057A (en) * | 2017-05-16 | 2017-08-25 | 深圳市云传智联技术有限公司 | A kind of vital signs monitoring chair band and system based on Piezoelectric sensing technique |
| CN107506578A (en) * | 2017-08-09 | 2017-12-22 | 浙江工业大学 | The medical treatment ＆ health clinical monitoring system of multi-path RFDC processing based on ARM |
| CN112401859A (en) * | 2020-11-10 | 2021-02-26 | 石家庄万医电子科技有限公司 | Real-time monitoring frequency conversion cardiotachometer |
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| CF01 | Termination of patent right due to non-payment of annual fee |