CN104382584A - Wearable electrocardiogram signal monitoring and evaluation system and implementation method thereof - Google Patents
Wearable electrocardiogram signal monitoring and evaluation system and implementation method thereof Download PDFInfo
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- CN104382584A CN104382584A CN201410677704.2A CN201410677704A CN104382584A CN 104382584 A CN104382584 A CN 104382584A CN 201410677704 A CN201410677704 A CN 201410677704A CN 104382584 A CN104382584 A CN 104382584A
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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
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
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- A—HUMAN NECESSITIES
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- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
- A61B5/0006—ECG or EEG signals
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- A—HUMAN NECESSITIES
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
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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
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
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Abstract
The invention relates to a wearable electrocardiogram signal monitoring and evaluation system and an implementation method thereof. The wearable electrocardiogram signal monitoring and evaluation system comprises an embedded control unit used for coordinating work of units inside the system, an analogue electrocardiogram signal source used for system debugging, an electrocardiogram signal regulation circuit used for connecting with electrocardiogram signals having different characteristics and setting key parameters, an electrocardiogram signal interface used for receiving the electrocardiogram signals, a Bluetooth communication interface used for finishing data transmission, a mobile terminal used for issuing test of application software, wherein the terminal comprises a Bluetooth communication interface. The system has basic functional modules such as physiological signal detection and treatment, signal characteristic extraction and data transmission, can realize noninvasive monitoring and diagnosis for a human body; meanwhile, a designer can compose hardware structures flexibly and finish software regulation conveniently based on the designed application, so that an application system can be composed within relatively short time, and simulation for the structure and performance index of the application system can be finished.
Description
Technical field
The present invention relates to a kind of Wearable electrocardiosignal monitoring and evaluating system and implementation method.
Background technology
The development of current ambulatory medical device is also day by day cumulative, and portable medical is a kind of emerging health care pattern mobile computing, medical sensor and communication technology combined together.The development of Medical Instruments also starts from complexity, is applied to the large medical equipment of hospital, turns to the small-sized Wearable being not only applicable to hospital but also being applicable to family and individual, or even embedded type device.The detection technique of current human biological signal and Embedded Application technology are the important technologies of IT application.For Wearable device, generally need to design corresponding Hardware & software system.
In prior art, application number is No. CN201410137458.1 and patent discloses a kind of Wearable electrocardiosignal real-time acquisition device, and comprise a wearable vest, inside vest, lateral separation ring establishes some binders; Arbitrary binder is fixedly installed embedded controller, micromachine for regulating binder degree of tightness is set in the junction of binder, on binder, activity arranges more than one electrocardiogram acquisition electrode and is fixedly installed buzzer, electrocardiogram acquisition electrode arranges pressure transducer, and micromachine, pressure transducer are all connected with embedded controller by wire with buzzer; Pressure transducer detects the contact pressure between electrocardiogram acquisition electrode and subjects skin, and the pressure signal detected is transferred to embedded controller, is regulated the tightness of binder by embedded controller controls micromachine; When electrocardiogram acquisition electrode contacts with subjects skin and goes wrong, experimenter is pointed out to check corresponding electrocardiogram acquisition electrode by buzzer warning.Application number is No. CN201410012151.9 and patent discloses a kind of wearable fetal ECG Monitoring System based on smart mobile phone and method, comprise signal picker, signal processor, Fetal ECG wireless data transmission device, with the smart mobile phone of user side Fetal ECG monitoring module, with the smart mobile phone of doctor terminal Fetal ECG monitoring module, power management module, the signal output part of described signal picker is connected with the input of described signal processor, the outfan of described signal processor is connected with described Fetal ECG wireless data transmission device, described power management module respectively with described signal picker, signal processor, Fetal ECG wireless data transmission device.
All the technical schemes to implementing device that concrete signal collection uses, system, method in above prior art.But, how according to designed application component hardware structure and complete software adjustment easily comparatively flexibly, thus form application system in the short period of time, and emulation is carried out to the stuctures and properties index of application system become problem demanding prompt solution.
Meanwhile, along with the quickening of aged tendency of population process, the population support of old people constantly increases, because old people suffers from various chronic disease mostly, result in the quick growth of medical demand and the sharply rising of medical expense, already and will continue to exert heavy pressures on to society and family.Along with health of people consciousness and health care require constantly to strengthen, how to obtain relevant device according to a set of suitable system makes the health of old people to self understand, thus take preventive measure more timely, in case the deterioration of the state of an illness, the burden alleviating family and society becomes the task of top priority.
Summary of the invention
For produced problem in background technology, the invention provides a kind of Wearable electrocardiosignal monitoring and evaluating system, described system is based on mobile terminal, and described system comprises:
Embedded control unit, for coordinating the work of each unit of described internal system;
Analog electrocardiogram signal source, for system debug;
Electrocardiosignal Circuit tuning, for accessing the electrocardiosignal of different characteristic and setting key parameter;
Electrocardiosignal interface, for receiving electrocardiosignal;
Bluetooth communication interface, for completing data transmission;
Mobile terminal, for the test of issuing application software, described terminal comprises bluetooth communication interface.
Preferably, described embedded control unit sends the data to mobile terminal by bluetooth communication interface.
In above-mentioned either a program preferably, described embedded control unit has been further used for the simulation setting of Wearable structure and the emulation testing of work process.
In above-mentioned either a program preferably, described embedded control unit has been further used for the storage of data and the control to modulate circuit.
In above-mentioned either a program preferably, it is characterized in that, described embedded control unit comprises at least one in embedded type CPU, memorizer, man-machine interaction button, display unit, usb communication interface, JTAG debugging interface.
In above-mentioned either a program preferably, described analog electrocardiogram signal source is produced by system, and described analog electrocardiogram signal source comprises D/A interface module, gain-programmed amplifier.
In above-mentioned either a program preferably, the data that system exports by described D/A interface module carry out digital-to-analog conversion, and by gain-programmed amplifier, generate analog electrocardiogram signal.
In above-mentioned either a program preferably, described gain-programmed amplifier adjusts for the level match exported between the ECG simulator signal of Different Dynamic scope and system under test (SUT).
In above-mentioned either a program preferably, described electrocardiosignal Circuit tuning comprises signal pre-amplification circuit and gain adjustment circuit.
Present invention also offers a kind of Wearable electrocardiosignal monitoring and evaluation implementation method, the enforcement of described method, based on mobile terminal, said method comprising the steps of:
Embedded control unit coordinates the work of each unit of described internal system;
Analog electrocardiogram signal source carries out system debug;
Electrocardiosignal Circuit tuning accesses the electrocardiosignal of different characteristic and sets key parameter;
Electrocardiosignal interface electrocardiosignal;
Bluetooth communication interface completes data transmission;
The test of mobile terminal issuing application software, described terminal comprises bluetooth communication interface.
Preferably, described embedded control unit sends the data to mobile terminal by bluetooth communication interface.
In above-mentioned either a program preferably, described embedded control unit completes the simulation setting of Wearable structure and the emulation testing of work process further.
In above-mentioned either a program preferably, described embedded control unit completes the storage of data and the control to modulate circuit further.
In above-mentioned either a program preferably, described embedded control unit comprises at least one in embedded type CPU, memorizer, man-machine interaction button, display unit, usb communication interface, JTAG debugging interface.
In above-mentioned either a program preferably, described analog electrocardiogram signal source is produced by system, and described analog electrocardiogram signal source comprises D/A interface module, gain-programmed amplifier.
In above-mentioned either a program preferably, the data that system exports by described D/A interface module carry out digital-to-analog conversion, and by gain-programmed amplifier, generate analog electrocardiogram signal.
In above-mentioned either a program preferably, described gain-programmed amplifier adjusts for the level match exported between the ECG simulator signal of Different Dynamic scope and system under test (SUT).
In above-mentioned either a program preferably, described electrocardiosignal Circuit tuning comprises signal pre-amplification circuit and gain adjustment circuit.
Wearable electrocardiosignal monitoring and evaluating system provided by the present invention and implementation method, have the basic function module such as bio-signal acquisition and process, signal characteristic abstraction and data transmission, can realize the non-invasive monitoring to human body, diagnosis.Native system make after product there is movable operation, use simple, support long time continuous working, abnormal physiological condition to report to the police and the feature such as wireless data transmission.Utilize system designer provided by the invention according to designed application component hardware structure and complete software adjustment easily comparatively flexibly, thus application system can be formed in the short period of time, and to the stuctures and properties index of application system and emulation.Can the design cycle be shortened like this, reduce system design cost, improve the success rate of small signal measurement system design.
Accompanying drawing explanation
Fig. 1 is the system block diagram according to Wearable electrocardiosignal monitoring and evaluating system of the present invention.
Fig. 2 is the system block diagram according to middle embedded control unit embodiment illustrated in fig. 1.
Fig. 3 is according to the schematic diagram by the debugging of analog electrocardiogram signal source completion system embodiment illustrated in fig. 1.
Fig. 4 is according to electrocardiosignal conditioning circuit module schematic diagram of the present invention.
Fig. 5 is the flow chart according to evaluating system mastery routine of the present invention work.
Fig. 6 is according to the workflow diagram of system of the present invention to electrocardiosignal measuring process.
Fig. 7 is according to Wearable electrocardiosignal monitoring and evaluation implementation method flow chart of the present invention.
Detailed description of the invention
The present invention take embedded Control as core technology, the short haul connection of bluetooth and signal source to provide with detection method be core, provide vital sign parameter signals detect required for basic structural unit.Under the control of embedded system, the simulation to electrocardiosignal can be realized, the adjustment of signal conditioning circuit.Carried out the research of Mathematical Modeling Methods before this, then to communication mode test and formulation communication protocol, afterwards the signal of characteristics of human body was extracted, and then carried out the uniting and adjustment test of system, finally carry out transmission and the displaying of mobile terminal characteristics of human body signal.Describe the present invention in conjunction with exemplary embodiment with reference to the accompanying drawings.
Embodiment 1:
As shown in Figure 1, present embodiments provide a kind of Wearable electrocardiosignal monitoring and evaluating system, described system, based on mobile terminal, comprising: embedded control unit, for coordinating the work of each unit of described internal system; Analog electrocardiogram signal source, for system debug; Electrocardiosignal Circuit tuning, for accessing the electrocardiosignal of different characteristic and setting key parameter; Electrocardiosignal interface, for receiving electrocardiosignal; Bluetooth communication interface, for completing data transmission; Mobile terminal, for the test of issuing application software, described terminal comprises bluetooth communication interface.Described embedded control unit sends the data to mobile terminal by bluetooth communication interface.Described embedded control unit has been further used for the simulation setting of Wearable structure and the emulation testing of work process.Described embedded control unit has been further used for the storage of data and the control to modulate circuit.Described embedded control unit comprises at least one in embedded type CPU, memorizer, man-machine interaction button, display unit, usb communication interface, JTAG debugging interface.Described analog electrocardiogram signal source is produced by system, and described analog electrocardiogram signal source comprises D/A interface module, gain-programmed amplifier.The data that system exports by described D/A interface module carry out digital-to-analog conversion, and by gain-programmed amplifier, generate analog electrocardiogram signal.Described gain-programmed amplifier adjusts for the level match exported between the ECG simulator signal of Different Dynamic scope and system under test (SUT).Described electrocardiosignal Circuit tuning comprises signal pre-amplification circuit and gain adjustment circuit.
Wherein, described CPU takes out instruction from memorizer or cache memory, puts into command register, and to Instruction decoding.It becomes a series of microoperation Command Resolution, then sends various control command, performs microoperation series, thus completes the execution of an instruction.Instruction is that computer specifies the type of executable operations and the basic command of operand.Instruction is made up of a byte or multiple byte, characterizes status word and the condition code of machine states comprising the field of opcode field, one or more relevant operational number address and some.Also operand itself is directly comprised in some instructions.First stage, extract, search instruction (for numerical value or series of values) from memorizer or cache memory.By the position of program counter designated memory.CPU according to memory fetch to instruction decide its act of execution.At decode phase, instruction is disassembled as significant fragment.Numerical solution is translated into instruction by instruction set architecture (ISA) definition according to CPU.The instruction numerical value of a part is operation code (Opcode), and which computing its instruction will carry out.Other numerical value supplies the information of instruction necessity usually, the computing target of a such as addition (Addition) computing.After extraction and decode phase, and then enter the execution phase.In this stage, be connected to the various CPU parts that can carry out required computing.Terminal stage, writes back, and simply writes back with the result of certain format by the execution phase.Operation result is often write into the buffer of CPU inside, for instruction fast access subsequently.In other case, it is comparatively slow that operation result may write into speed, but capacity is more greatly and in more cheap memory main body.The instruction meeting operation sequence enumerator of some type, and directly do not bear results.These are generally called " redirect " (Jumps), and in formula, bring circulation behavior, conditionality execution (through conditional jump) and function.Many instructions can change the state bit of mark buffer.These marks can be used to affect formula behavior, and cause shows various operation result often in them.Such as, judge two value sizes with " comparison " instruction, according to comparative result, a numerical value is set on mark buffer.This mark can decide formula trend by jump instruction subsequently.In execution instruction after write-back result, program counter value can increase progressively, the whole process of repetitiousness, the next instruction cycle extracts next sequential instructions normally.
USB interface shown in it, can hot plug.Being exactly user when using external equipment, not needing shutdown action such as start grade again, but when computer work, directly USB being plugged use.Standard is unified, the hard disk of everybody commonly ide interface, the mouse-keyboard of serial ports, the printer scanner of parallel port, after having had USB, these application peripheral hardwares completely can be connected with PC by same standard, have at this moment just had USB hard disk, USB mouse, USB printer etc.Described JTAG debugging interface (Joint Test Action Group; Joint test working group) be a kind of international standard test protocol (IEEE 1149.1 is compatible), be mainly used in chip internal test.The high-grade device of present majority all supports JTAG agreement, as DSP, FPGA device etc.The jtag interface of standard is 4 lines: TMS, TCK, TDI, TDO, is respectively model selection, clock, data input and DOL Data Output Line.
Embodiment 2:
Embedded control unit is used for the work of the inner each unit of Wearable detection system of coordinates user design, complete the simulation setting of Wearable structure and the emulation testing of work process, the storage of complete paired data and the work of control modulate circuit, send the data to mobile terminal by blue tooth interface.As shown in Figure 2, embedded control unit is made up of modular units such as embedded type CPU, memorizer, man-machine interaction button, display unit, usb communication interface, JTAG debugging interfaces embedded control system composition.Embedded type CPU and jtag interface, GPIO interface, USB interface or the connection of one of them, form embedded control system.Memory module: for storing user program code and process data, comprise dynamic memory, as K4S561632C-TC75, nonvolatile storage, as NOR type U-K9F1208UDM-YC80, and the memory module that the SST39LF160 memory module of NAND FLASH one or a combination set of is formed.Display unit module: by Bluetooth communication protocol, by ECG Data Transmission Based to mobile terminal, is shown by the UI interface of mobile terminal design.Jtag interface: international standard test protocol interface.Be connected with embedded type CPU socket by jtag interface modular jack, be mainly used in chip internal and test and system is emulated, debug.The online program debugging of CPU can be used herein to.USB interface: comprise a main mouth of USB, at least meet 2.0 standards.For regulating and configuration bluetooth module.
Embodiment 3:
System produces analog electrocardiogram output signal GPI/O, for system debug.As shown in the figure, debugging part comprises: D/A interface module, program control control gain amplifier two parts.Wherein, D/A interface module: the data that core system exports are carried out digital-to-analog conversion, and by program control control gain amplifier, generate analog electrocardiogram signal.Gain-programmed amplifier: adjust for the level match exported between the ECG simulator signal of Different Dynamic scope and system under test (SUT).
Embodiment 4:
As shown in Figure 4, be electrocardiosignal Circuit tuning module diagram, electrocardiosignal and test source, first through pre-amplification circuit, eventually pass A/D through controllable gain amplifier afterwards.This module can facilitate user to the electrocardiosignal of designed test macro access different characteristic and the key parameter setting electrocardiosignal flexibly, completes the test analysis to wearable device function.
Embodiment 5:
As shown in Figure 5, be mastery routine workflow diagram after evaluating system start, flow process is: system boot self-inspection, function menu, and function is loose to be turned, and carries out function treatment program 1 to n.
Embodiment 6:
As shown in Figure 6, for to electrocardiosignal measuring process workflow diagram, flow process is: key assignments handling procedure 1, through signal condition algorithm, ECG signal sampling, enabling signal source judges whether signal crosses the border, if cross the border, proceed signal condition algorithm, if do not cross the border, show assessment result.
Embodiment 7:
Present embodiments provide a kind of Wearable electrocardiosignal monitoring and evaluation implementation method, the enforcement of described method, based on mobile terminal, as shown in Figure 7, said method comprising the steps of:
Embedded control unit coordinates the work of each unit of described internal system;
Analog electrocardiogram signal source carries out system debug;
Electrocardiosignal Circuit tuning accesses the electrocardiosignal of different characteristic and sets key parameter;
Electrocardiosignal interface electrocardiosignal;
Bluetooth communication interface completes data transmission;
The test of mobile terminal issuing application software, described terminal comprises bluetooth communication interface.
Wherein, described embedded control unit sends the data to mobile terminal by bluetooth communication interface.Described embedded control unit completes the simulation setting of Wearable structure and the emulation testing of work process further.Described embedded control unit completes the storage of data and the control to modulate circuit further.Described embedded control unit comprises at least one in embedded type CPU, memorizer, man-machine interaction button, display unit, usb communication interface, JTAG debugging interface.Described analog electrocardiogram signal source is produced by system, and described analog electrocardiogram signal source comprises D/A interface module, gain-programmed amplifier.The data that system exports by described D/A interface module carry out digital-to-analog conversion, and by gain-programmed amplifier, generate analog electrocardiogram signal.Described gain-programmed amplifier adjusts for the level match exported between the ECG simulator signal of Different Dynamic scope and system under test (SUT).Described electrocardiosignal Circuit tuning comprises signal pre-amplification circuit and gain adjustment circuit.
In order to understand the present invention better, in conjunction with specific embodiments the present invention to be explained in detail above.But, obviously can carry out different modification and remodeling to the present invention and not exceed the wider spirit and scope of the present invention that claim limits.Therefore, above embodiment has exemplary and hard-core implication.
Claims (10)
1. a Wearable electrocardiosignal monitoring and evaluating system, described system, based on mobile terminal, is characterized in that, described system comprises:
Embedded control unit, for coordinating the work of each unit of described internal system;
Analog electrocardiogram signal source, for system debug;
Electrocardiosignal Circuit tuning, for accessing the electrocardiosignal of different characteristic and setting key parameter;
Electrocardiosignal interface, for receiving electrocardiosignal;
Bluetooth communication interface, for completing data transmission;
Mobile terminal, for the test of issuing application software, described terminal comprises bluetooth communication interface.
2. Wearable electrocardiosignal monitoring and evaluating system according to claim 1, is characterized in that, described embedded control unit sends the data to mobile terminal by bluetooth communication interface.
3. Wearable electrocardiosignal monitoring and evaluating system according to claim 2, is characterized in that, described embedded control unit has been further used for the simulation setting of Wearable structure and the emulation testing of work process.
4. Wearable electrocardiosignal monitoring and evaluating system according to claim 3, is characterized in that, described embedded control unit has been further used for the storage of data and the control to modulate circuit.
5. Wearable electrocardiosignal monitoring and evaluating system according to any one of claim 1 to 4, it is characterized in that, described embedded control unit comprises at least one in embedded type CPU, memorizer, man-machine interaction button, display unit, usb communication interface, JTAG debugging interface.
6. Wearable electrocardiosignal monitoring and evaluating system according to claim 1, is characterized in that, described analog electrocardiogram signal source is produced by system, and described analog electrocardiogram signal source comprises D/A interface module, gain-programmed amplifier.
7. Wearable electrocardiosignal monitoring and evaluating system according to claim 6, is characterized in that, the data that system exports by described D/A interface module carry out digital-to-analog conversion, and by gain-programmed amplifier, generates analog electrocardiogram signal.
8. Wearable electrocardiosignal monitoring and evaluating system according to claim 6, is characterized in that, described gain-programmed amplifier adjusts for the level match exported between the ECG simulator signal of Different Dynamic scope and system under test (SUT).
9. Wearable electrocardiosignal monitoring and evaluating system according to claim 1, is characterized in that, described electrocardiosignal Circuit tuning comprises signal pre-amplification circuit and gain adjustment circuit.
10. a Wearable electrocardiosignal monitoring and evaluation implementation method, the enforcement of described method, based on mobile terminal, is characterized in that, said method comprising the steps of:
Embedded control unit coordinates the work of each unit of described internal system;
Analog electrocardiogram signal source carries out system debug;
Electrocardiosignal Circuit tuning accesses the electrocardiosignal of different characteristic and sets key parameter;
Electrocardiosignal interface electrocardiosignal;
Bluetooth communication interface completes data transmission;
The test of mobile terminal issuing application software, described terminal comprises bluetooth communication interface.
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| CN110236516A (en) * | 2019-06-11 | 2019-09-17 | 天津市天中依脉科技开发有限公司 | Detection system for collecting human body bioelectricity signals |
| CN110693491A (en) * | 2019-11-13 | 2020-01-17 | 歌尔科技有限公司 | Electrocardiosignal processing method and device, wearable device and readable storage medium |
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