CN205672027U - A kind of portable 12 lead electrocardiosignal synchronous acquisition device - Google Patents
A kind of portable 12 lead electrocardiosignal synchronous acquisition device Download PDFInfo
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- CN205672027U CN205672027U CN201620389229.3U CN201620389229U CN205672027U CN 205672027 U CN205672027 U CN 205672027U CN 201620389229 U CN201620389229 U CN 201620389229U CN 205672027 U CN205672027 U CN 205672027U
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 20
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 47
- 229910052744 lithium Inorganic materials 0.000 claims description 47
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- 241001062009 Indigofera Species 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The utility model relates to the harvester of a kind of human ecg signal, belong to wired home field of medical device, specifically a kind of portable 12 lead electrocardiosignal synchronous acquisition device, including: housing, conducting wire, several electrodes for the body that leads, the switch key being placed on housing, it is placed in the modular converter of enclosure interior, MCU module, wireless data transceiver module, battery pack and data receiver display, precisely effective the electrocardiosignal of measured can be shown in real time on Intelligent mobile equipment observation, and there is while there is small and exquisite portable low-power consumption accurate and stable Monitoring Performance.
Description
Technical field
The utility model relates to the harvester of a kind of human ecg signal, belongs to wired home field of medical device, tool
Body is a kind of portable 12 lead electrocardiosignal synchronous acquisition device.
Background technology
China's heart disease and cardiovascular patient number are increasing year by year, for many patients, and its heart physiological
Parameter can reflect state of an illness state and therapy rehabilitation situation effectively, and therefore grasping patient's electrocardiosignal parameter in time has important meaning
Justice.But, owing to hospital of China (medical) resource is nervous, many gerontal patients and white collar are due to handicapped or work
Busy, it is impossible to carry out EGC parameter monitoring to hospital in time, miss the good opportunity of heart disease prevention and treatment.
Existing electrocardiosignal parameter acquisition devices major part exist expensive, power consumption is high, volume is big, not easily shifted etc.
Shortcoming, it is impossible to meet disease of old people patient (or white collar is in an office) at home and carry out self-inspection to health, also without
The electrocardiosignal to rehabilitation for the method carries out real-time monitoring；Then there is power consumption requirements in small-sized electrocardiosignal synchronous acquisition device
Height, structure is not reasonable, needs external power supply to use, and the control to Current Voltage is not sufficiently stable, the work to equipment
It is on the low side that element produces the accuracy rate affecting thus affecting electrocardiosignal, and distortion value is high, and needs to be entered by small-sized display
The display to the signal of telecommunication for the row, therefore uses trouble, and can not possess the function analyzed and preserve data, inadequate hommization, therefore
It is difficult to promote the use of on a large scale.
Utility model content
The purpose of this utility model is the shortcomings such as and volume not portable for the existence of current domestic electrocardiographicoscilloscope oscilloscope is big, provides
A kind of portable 12 lead electrocardiosignal synchronous acquisition device, electrode holder can be clipped on measured's health by easily,
Being shown in 12 cardiac diagnosis lead figure waveforms on the Intelligent mobile equipment client software of user accurately in real time, client is soft
Part is simultaneously furnished with ecg analysis and preserves function, contributes to cardiovascular patient and guards EGC parameter at home, is simultaneously
The diagnosis of doctor provides a reliable material.
For reaching above-mentioned purpose, the utility model adopts the following technical scheme that a kind of portable 12 lead electrocardiosignal
Synchronous acquisition device, comprising: housing, conducting wire, for several electrodes of body of leading, the switch key being placed on housing,
It is placed in modular converter, MCU module, wireless data transceiver module, battery pack and the data receiver display of enclosure interior,
Wherein: the front end of conducting wire connects the input of the rear end connection modular converter of electrode, conducting wire, modular converter
Communication ends is connected with communication ends and the control end of MCU module with control end, the serial ports of MCU module and wireless data transceiver module
Input connects, and battery pack connecting valve post-positioned press keys is modular converter, MCU module and wireless data transceiver module in housing
Power supply is provided；Wireless data transceiver module wireless connection data receives display；
Further, described modular converter is the ADS1298 modular converter of 24 high-precision A/D, ADS1298 modular converter
Including ADS1298 conversion chip, ADS1298 conversion chip is built-in with the EMI filter circuit that connected by circuit, 8 tunnels can be compiled
Journey gain amplifier, right leg drive amplifying circuit and Wilson's centra electric terminals and spi bus configuration acquisition channel, spi bus is joined
Put acquisition channel and connect MCU module.
Further, described ADS1298 modular converter also includes ECG signal processing circuit, and described electrocardiosignal is pre-
Process circuit and include the first resistance, the second resistance, clamper limiter diode, No. two clamper limiter diodes, electric capacity
With No. two electric capacity, one end of the first resistance is connected with the output of electrode, the other end of the first resistance and one end of the second resistance
It is connected with one end of an electric capacity, the other end of the second resistance one end, the clamper limiter diode with No. two electric capacity respectively
One end, one end of No. two clamper limiter diodes be connected with the input of a passage of ADS1298 conversion chip, an electricity
Hold and the other end of No. two electric capacity connects AGND end respectively, another termination AVDD end of a clamper limiter diode, No. two clampers
Another termination AVSS end of limiter diode.
Further, described MCU module includes STM32F103 single-chip microcomputer, chip crystal oscillating circuit, reset circuit, is
Electric source filter circuit that STM32F103 single-chip microcomputer is powered and connect the GPIO port of STM32F103 single-chip microcomputer respectively, SPI connects
Mouth and USART serial ports.
Further, described battery pack includes: lithium battery, lithium cell charging module, lithium battery voltage modular converter, battery
Electrical measurement module, lithium cell charging module is connected with lithium battery voltage modular converter, battery electric quantity measurement module and MCU module
Be connected, lithium battery voltage modular converter respectively with ADS1298 modular converter, battery electric quantity measurement module, MCU module and wireless number
It is connected according to transceiver module.
Further, described lithium battery voltage modular converter includes boost converter chips, the 4th filter capacitor, power electricity
Sense, the 5th filter capacitor, the 6th filter capacitor, the 7th filter capacitor,
Boost converter chips connects one end of lithium battery anode, one end of power inductance and the 4th filter capacitor, the 4th filter
One termination GND end of ripple electric capacity, a pin of boost converter chips connects GND end, and one of boost converter chips is drawn
Pin connects the other end of power inductance, and a pin of boost converter chips connects the 6th filter capacitor and the 7th filter capacitor
One end, another termination GND end of the 6th filter capacitor and the 7th filter capacitor, pin of boost converter chips connects
One end of 5th filter capacitor, another termination GND end of the 5th filter capacitor, a pin of boost converter chips connects
GND end, a pin of boost converter chips connects the anode of lithium battery.
Further, described battery electric quantity measurement module includes the second current-limiting resistance, the second filter capacitor, two poles
Pipe, switch key, No. two diodes, lithium battery socket, the 3rd filter capacitor, the 4th resistance, management of charging and discharging chip, first fill
Electric discharge indication LED lamp, the second discharge and recharge indication LED lamp,
Management of charging and discharging chip connects USB5V end, and a pin of management of charging and discharging chip connects the one of No. two diodes
End and one end of lithium battery socket, a pin of management of charging and discharging chip connects GND end, a termination second of two current-limiting resistances
One end of filter capacitor, another termination first discharge and recharge indication LED lamp of two current-limiting resistances and the second discharge and recharge indication LED lamp
One end, another termination GND end of the second filter capacitor, a termination USB5V end of a diode, the other end of a diode
Connect switch key and one end of No. two diodes, another termination VCC end of switch key, a termination charge and discharge of the 3rd filter capacitor
One end of one pin of electricity managing chip, one end of lithium battery socket and No. two diodes, a termination charge and discharge of the 4th resistance
One pin of electricity managing chip, another termination GND end of the 4th resistance, another termination of the first discharge and recharge indication LED lamp is filled
One pin of electric discharge managing chip, a pin of another termination management of charging and discharging chip of the second discharge and recharge indication LED lamp.
Further, described wireless data transceiver module is serial ports Wi-Fi module or serial ports bluetooth module, and described data connect
Receiving display is Intelligent mobile equipment, and described Intelligent mobile equipment is smart mobile phone or panel computer, notebook computer.
Further, described serial ports bluetooth module include serial ports Bluetooth chip, the 3rd electric capacity, the 3rd resistance, touch key,
Current-limiting resistance, bluetooth indicator lamp and the first filter capacitor,
Wherein: serial ports Bluetooth chip pin connect TXD end, another pin connects RXD end, another pin connects
3.3V end, another pin connect GND end, and a pin of a termination serial ports Bluetooth chip of the 3rd electric capacity, another terminates GND
End, a pin of a termination serial ports Bluetooth chip of the 3rd resistance, one end of another termination touch key of the 3rd resistance, gently
Another termination 3.3V end of touch of key-press, a pin of a termination serial ports Bluetooth chip of current-limiting resistance, another of current-limiting resistance
One end of termination bluetooth indicator lamp, another termination GND end of bluetooth indicator lamp, a termination GND end of the first filter capacitor, first
Filter capacitor another termination 3.3V end, described serial ports Bluetooth chip is HM-11 bluetooth 4.0 chip, described bluetooth indicator lamp and
Touch key is arranged in housing outer surface, and HM-11 bluetooth 4.0 chip is mutually gone here and there with bluetooth indicator lamp and bluetooth touch key
Connection, the RXD pin of HM-11 bluetooth 4.0 chip is connected to the USART serial ports of MCU module in succession.
Further, described conducting wire is band shielding conducting wire.
Compared with prior art, the utility model has a following remarkable advantage:
A kind of portable 12 lead electrocardiosignal synchronous acquisition device of the utility model can be as intelligent domestic medical treatment
Equipment, uses two-ply PCB mask-making technology, and long and wide 9mm and 6mm that be respectively makes that this device volume is little, is easy to take
Carry, power consumption is relatively low, accuracy is high, meanwhile, in optimization structure and the power consumption control of potential circuit so that this device is powered and can be adopted
By common compact lithium cell, and intuitively visual can charge to this device by portable power source (charger baby), used is logical
Letter mode is serial communication and SPI communication, selects wireless wifi or bluetooth to connect, can demonstrate on Intelligent mobile equipment
Real-time waveform, and anomaly analysis can be carried out to waveform, and can preserve and record data on Intelligent mobile equipment, it is simple to for making
User observes use, and the AD conversion chip data processing speed that this device is used is fast, its sample frequency be 250SPS～
32kSPS, the display of 12 ecg wave forms is that the synchronization of electrocardiosignal reflects in real time.
In sum, system hardware structure of the present utility model is simple, small volume, power consumption are relatively low, precision is higher, product
Construction cycle is short, be easy to promote the use of, and is a convenience, practicality, reliable domestic intelligent electrocardiosignal synchronous acquisition device.
Brief description
Fig. 1 is the structural representation of a kind of overall system of the present utility model.
Fig. 2 is the ECG signal processing electrical block diagram of harvester of the present utility model.
Fig. 3 is the lithium battery voltage 5V boost configuration schematic diagram in the utility model.
Fig. 4 is the structural representation of the serial ports bluetooth module in the utility model.
Fig. 5 is the structural representation of the lithium cell charging module in the utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.
Embodiment 1: as shown in Figure 1: a kind of portable 12 lead electrocardiosignal synchronous acquisition device, comprising: housing is the 1st,
The 404th, the switch key that the 3rd, the 2nd, conducting wire be placed on housing for several electrodes of body of leading is placed in the conversion of enclosure interior
Module the 5th, MCU module the 6th, wireless data transceiver module the 7th, battery pack 8 and data receiver display 9,
Wherein: the front end of conducting wire connects the input of the rear end connection modular converter of electrode, conducting wire, modular converter
Communication ends is connected with communication ends and the control end of MCU module with control end, the serial ports of MCU module and wireless data transceiver module
Input connects, and battery pack connecting valve button 404 is modular converter, MCU module and wireless data transceiving in being placed on housing
Module provides power supply；Wireless data transceiver module wireless connection data receives display；
Described conducting wire is ten band shielding conducting wires, and the every front end with shielding conducting wire connects electrode, and rear end connects
The input of modular converter, during use: be connected in measured with 10 described band shielding conducting wires respectively by limbs folder electrode
The left finesse of health, right finesse, left foot wrist, right crus of diaphragm wrist and chest, can record the heart life that can react measured in more detail
12 cardiac diagnosis lead figures of reason parameter, are gathered by modular converter by the electrocardiosignal of the electrode input of measured,
Described modular converter is the ADS1298 modular converter of 24 high-precision A/D, and ADS1298 modular converter sets ADS1298
Conversion chip, the Differential Input mouth of eight passages, the electrocardio that the Differential Input mouth of eight passages gathers for input front end electrode
Signal, the built-in EMI filter circuit of ADS1298 conversion chip, 8 road programmable gain amplifiers, right leg drive amplifying circuit and prestige
The inferior centra electric terminals of that and spi bus configuration acquisition channel, spi bus configuration acquisition channel connects MCU module；ADS1298 changes
Chip is compared with the A/D change-over circuit that conventional analog device is built, and its acquisition precision is higher, and filter effect is more preferable, and function is more
Adding comprehensively, volume is less, thus reaches portable, effect accurately,
Wherein: as in figure 2 it is shown, described ADS1298 modular converter also includes ECG signal processing circuit, described electrocardio
Signal pre-processing circuit includes the first resistance the 101st, the second resistance the 102nd, clamper limiter diode the 103rd, No. two clamper amplitude limit
Diode the 104th, an electric capacity 105 and No. two electric capacity 106, one end of the first resistance 101 is connected with the output of electrode, the first electricity
One end of one end of the other end of resistance 101 and the second resistance 102 and an electric capacity 105 is connected, and the other end of the second resistance 102 divides
Not with one end of No. two electric capacity, one end of a clamper limiter diode 103, No. two clamper limiter diodes 104 one end and
The input of one passage of ADS1298 conversion chip is connected, and the other end of an electric capacity 105 and No. two electric capacity 106 connects respectively
AGND end, another termination AVDD end of a clamper limiter diode 103, another termination of No. two clamper limiter diodes 104
AVSS end, pretreatment circuit is prevented from the introducing of external noise, prevents the too high or too low of signal voltage, contributes to accurately adopting
Collection, to the voltage signal of human body, prevents distorted signals, thus improves to the accurate of the electrocardiosignal gathering and stability,
Electrocardiosignal is changed after the ADS1298 modular converter collection of 24 high-precision A/D, the electrocardio after conversion
Signal passes to MCU module as output by spi bus configuration acquisition channel, and MCU module carries out displacement and splits to electrocardiogram (ECG) data
Then data being sent data to wireless data transceiver module by serial port, wireless data transceiver module is by data
Transmission to data receiver display carries out the display to the electrocardiosignal implemented, it is achieved that the heart of portable stable measured is raw
The real-time synchronization monitoring display of 12 cardiac diagnosis lead figures of reason parameter.
Embodiment 2: on the basis of embodiment 1, described MCU module includes STM32F103 single-chip microcomputer, chip crystal oscillator electricity
Road, reset circuit, the electric source filter circuit powered for STM32F103 single-chip microcomputer and connect STM32F103 single-chip microcomputer respectively
GPIO port, SPI interface and USART serial ports, use these interfaces carry out communication party after to device, program upgrading and
The extension of additional function is provided to device, improves the use of device by face and the long service life lost efficacy, chip crystal oscillator therein
Circuit, reset circuit, electric source filter circuit is the necessary circuits of single-chip microcomputer work, which ensure that the properly functioning of single-chip microcomputer, from
And the stability making device be in operation has guarantee, STM32F103 carries out displacement and splits then data to electrocardiogram (ECG) data
Sending, Android client software carries out displacement to the electrocardiogram (ECG) data receiving and integrates, thereby ensure that slave computer main control MCU passes
The original electrocardiographicdigital data come are accurate, carry out 3 rank Butterworth low pass ripples to electrocardiosignal simultaneously, remove external disturbance and make an uproar
Sound, thus improve the precision of the electrocardiogram (ECG) data of collection so that monitoring result is authentic and valid；
Described battery pack includes: lithium battery, lithium cell charging module, lithium battery voltage modular converter, battery electric quantity measurement
Module, lithium cell charging module is connected with lithium battery voltage modular converter, battery electric quantity measurement module and STM32F103 master control
MCU module be connected, lithium battery voltage modular converter respectively with ADS1298 modular converter, battery electric quantity measurement module,
STM32F103 main control MCU module is connected with serial ports bluetooth module, the battery charging and discharging managing chip choosing in lithium cell charging module
Use TP4057 chip, it include charging current watch-dog, automatically recharge, two instruction charging terminate and input voltage access
Status pin；Its working range is very suitable for single-unit lithium ion battery, and inside it, coulometer measuring device is responsible for flowing through accurately
The electric current being positioned at a detection resistor between battery positive and load is integrated calculating, and measurement electric charge is stored in inside it
In register, with I2C interface to its access and configuration.
As shown in Figure 3: lithium battery voltage modular converter includes boost converter chips the 201st, the 4th filter capacitor the 202nd, work(
Rate inductance the 203rd, the 5th filter capacitor the 204th, the 6th filter capacitor the 205th, the 7th filter capacitor 206,
No. 5 pins of boost converter chips 201 connect lithium battery anode, one end of power inductance 203 and the 4th filtered electrical
Holding one end of 202, a termination GND end of the 4th filter capacitor 202, No. 4 pins of boost converter chips 201 connect GND end, rise
No. 3 pins of pressure converter chip 201 connect the other end of power inductance 203, and No. 2 pins of boost converter chips 201 connect
One end of six filter capacitors 205 and the 7th filter capacitor 206, No. 10 pins of boost converter chips 201, the 6th filter capacitor
205 and the 7th filter capacitor 206 another termination GND end, No. 1 pin of boost converter chips 201 connects the 5th filter capacitor
One end of 204, another termination GND end of the 5th filter capacitor 204, No. 9 pins of boost converter chips 201 connect GND end, rise
No. 6 pins of pressure converter chip 201, No. 7 pins, No. 8 pins connect the anode of lithium battery.Lithium battery voltage modular converter is permissible
Lithium battery voltage is promoted to 5V, it is thus possible to power more easily to modular converter, MCU module, wireless data transceiver module, keeps away
That has exempted from lithium battery voltage changes the interference to whole device, has both met the use specification of the lithium battery to small portable, again
Stable output voltage can be provided, reduce the negative shadow produced by electrocardiosignal being caused by factors such as circuit voltages
Ring, thus ensured the accurate of electrocardiosignal and stability so that the result of monitoring and display synchronizes and accurate；
Described lithium battery voltage modular converter also includes TPS73233 chip, TPS73225 chip and TPS60403 core
Piece, for respectively lithium battery voltage being converted into 3.3V, 2.5V ,-2.5V, TPS73225 chip and TPS60403 chip are
ADS1298 modular converter provides bipolar voltage, and TPS73233 chip is MCU module and wireless data transceiver module supplies simultaneously
Electricity,
As shown in Figure 5: the 402nd, described battery electric quantity measurement module includes the second current-limiting resistance the 401st, the second filter capacitor
Number diode the 403rd, switch key the 404th, No. two diodes the 405th, lithium battery socket the 406th, the 3rd filter capacitor the 407th, the 4th electricity
Resistance the 408th, management of charging and discharging chip the 409th, the first discharge and recharge indication LED lamp the 410th, the second discharge and recharge indication LED lamp 411,
No. 4 pins of management of charging and discharging chip 409 connect USB5V end, and No. 3 pins of management of charging and discharging chip 409 connect No. two
One end of diode 405 and one end of lithium battery socket 406, No. 2 pins of management of charging and discharging chip 409 connect GND end, two current limlitings
One end of one termination the second filter capacitor 402 of resistance 401, another termination first discharge and recharge indication LED of two current-limiting resistances 401
Lamp 410 and one end of the second discharge and recharge indication LED lamp 411, another termination GND end of the second filter capacitor 402, a diode
A termination USB5V end, another termination switch key 404 of a diode 403 and one end of No. two diodes 405 of 403, opens
Close another termination VCC end of button 404, No. 3 pins, lithiums of a termination management of charging and discharging chip 409 of the 3rd filter capacitor 407
One end of battery socket and one end of No. two diodes 405, No. 6 of a termination management of charging and discharging chip 409 of the 4th resistance 408
Pin, another termination GND end of the 4th resistance 408, another termination management of charging and discharging core of the first discharge and recharge indication LED lamp 410
No. 1 pin of piece 409, No. 5 pins of another termination management of charging and discharging chip 409 of the second discharge and recharge indication LED lamp 411.
Battery pack can be charged by lithium cell charging management module, can observe intuitively simultaneously and charge or
Being full of two states, the use of lithium battery also makes this device can be repeated several times use, and makes device more convenient and hommization.
Described wireless data transceiver module serial ports bluetooth module, described data receiver display is Intelligent mobile equipment such as intelligence
Energy mobile phone, is provided with client modules in smart mobile phone, described client modules includes data receipt unit, data display list
Unit, data analysis unit and data storage cell, data receipt unit, data display unit, data analysis unit and data are deposited
Storage unit is mutually connected, and serial ports bluetooth module communicates to connect with MCU module, and data receipt unit and serial ports bluetooth module are by indigo plant
Tooth communication connects,
The data that data receipt unit is sent for receiving radio data transceiver module；
Data display unit shows for the screen calling smart mobile phone to the data receiving；
Data analysis unit, will letter after being reached a conclusion by analysis for carrying out intelligence pathological analysis to the data receiving
Breath data return data display unit；
Data storage cell is for storing to the data receiving.
As shown in Figure 4: described serial ports bluetooth module includes serial ports Bluetooth chip the 301st, the 3rd electric capacity the 302nd, the 3rd resistance
303rd, touch key the 304th, current-limiting resistance the 305th, bluetooth indicator lamp 306 and the first filter capacitor 307,
Wherein: No. 2 pins of serial ports Bluetooth chip 301 connect TXD end, No. 4 pins connect RXD end, No. 9 pins connect 3.3V end,
No. 12 pins connect GND end, No. 16 pins of a termination serial ports Bluetooth chip 301 of the 3rd electric capacity 302, and another terminates GND end, the
No. 16 pins of one termination serial ports Bluetooth chip 301 of three resistance 303, another termination touch key 304 of the 3rd resistance 303
One end, another termination 3.3V end of touch key 304, No. 15 of a termination serial ports Bluetooth chip 301 of current-limiting resistance 305 are drawn
Pin, one end of another termination bluetooth indicator lamp 306 of current-limiting resistance 305, another termination GND end of bluetooth indicator lamp 306, first
One termination GND end of filter capacitor 307, another termination 3.3V end of the first filter capacitor 307, described serial ports Bluetooth chip is
HM-11 bluetooth 4.0 chip, described bluetooth indicator lamp and touch key be arranged in housing outer surface, HM-11 bluetooth 4.0 chip
Being serially connected with bluetooth indicator lamp and bluetooth touch key, the RXD pin of HM-11 bluetooth 4.0 chip is connected to MCU module in succession
USART serial ports.Visible above-mentioned attachment structure simplifies serial ports bluetooth module circuit, remains the most basic of serial ports Bluetooth circuit
Function, simplifies the circuit of whole system in the quality ensureing transmission, saves the electricity of battery pack, improve the easy of this device
By property and durability, also reduce the Large Copacity demand to battery apparatus such that it is able to meet and small and exquisite design easily, thus enter
One step significantly highlights feature and the advantage of this device.
Therefore, the ecg signal data of the measured being collected by front termination electrode sends extremely eventually through serial ports bluetooth module
On the smart mobile phone of measured, client modules carries out directly perceived, the display of real-time synchronization, and by the electrocardio letter of measured
Number information, draws corresponding analysis result according to related scientific analysis, is shown in analysis result feedback on client modules,
And can be by the ecg signal data information of client modules record this time measured, it is achieved intelligent management, improves user
Interactive experience, fundamentally effectively helped user.
Embodiment 3: the difference with embodiment 2 is serial ports bluetooth module is replaced to serial ports Wi-Fi module, intelligent mobile
Equipment is panel computer.Panel computer can demonstrate real-time waveform according to the ecg information of measured, and waveform can carry out different
Often analyzing, it is also possible to be saved in mobile phone EMS memory card, the AD conversion chip data processing speed that this device is used is fast, its frequency of sampling
Rate is 250SPS～32kSPS, and the display of 12 ecg wave forms is the real-time reflection of electrocardiosignal.
It should be appreciated that above-mentioned detailed description of the invention of the present utility model is used only for exemplary illustration or explains this reality
By novel principle, and do not constitute to restriction of the present utility model.Therefore, without departing from spirit and scope of the present utility model
In the case of any modification, equivalent substitution and improvement etc. done, should be included within protection domain of the present utility model.Additionally,
The utility model claims are intended to fall into scope and border or this scope and border
Whole in equivalents change and modifications example.
Claims (10)
1. a portable 12 lead electrocardiosignal synchronous acquisition device, it is characterised in that include: housing, conducting wire, be used for
Lead several electrodes of body, the switch key being placed on housing, the modular converter being placed in enclosure interior, MCU module, wireless
Data transmit-receive module, battery pack and data receiver display,
Wherein: the front end of conducting wire connects the input of the rear end connection modular converter of electrode, conducting wire, the communication of modular converter
End is connected with communication ends and the control end of MCU module with control end, the serial ports of MCU module and the input of wireless data transceiver module
End connects, and battery pack connecting valve post-positioned press keys provides for modular converter, MCU module and wireless data transceiver module in housing
Power supply；Wireless data transceiver module wireless connection data receives display.
2. one according to claim 1 portable 12 lead electrocardiosignal synchronous acquisition device, it is characterised in that institute
Stating the ADS1298 modular converter that modular converter is 24 high-precision A/D, ADS1298 modular converter includes ADS1298 conversion core
Piece, ADS1298 conversion chip is built-in with the EMI filter circuit that connected by circuit, 8 road programmable gain amplifiers, right leg drive
Dynamic amplifying circuit and Wilson's centra electric terminals and spi bus configure acquisition channel, and spi bus configuration acquisition channel connects MCU mould
Block.
3. one according to claim 2 portable 12 lead electrocardiosignal synchronous acquisition device, it is characterised in that institute
The ADS1298 modular converter stated also includes ECG signal processing circuit, and described ECG signal processing circuit includes the first electricity
Resistance, the second resistance, a clamper limiter diode, No. two clamper limiter diodes, an electric capacity and No. two electric capacity, the first resistance
One end be connected with the output of electrode, one end phase of the other end of the first resistance and one end of the second resistance and an electric capacity
Even, the other end of the second resistance respectively with one end of No. two electric capacity, one end of a clamper limiter diode, No. two clamper amplitude limits
One end of diode is connected with the input of a passage of ADS1298 conversion chip, another of an electric capacity and No. two electric capacity
End connects AGND end respectively, another termination AVDD end of a clamper limiter diode, the other end of No. two clamper limiter diodes
Connect AVSS end.
4. one according to claim 1 portable 12 lead electrocardiosignal synchronous acquisition device, it is characterised in that institute
State MCU module and include STM32F103 single-chip microcomputer, chip crystal oscillating circuit, reset circuit, the electricity powered for STM32F103 single-chip microcomputer
The GPIO port of power filter and respectively connection STM32F103 single-chip microcomputer, SPI interface and USART serial ports.
5. one according to claim 1 portable 12 lead electrocardiosignal synchronous acquisition device, it is characterised in that institute
State battery pack to include: lithium battery, lithium cell charging module, lithium battery voltage modular converter, battery electric quantity measurement module, lithium battery
Charging module is connected with lithium battery voltage modular converter, and battery electric quantity measurement module is connected with MCU module, and lithium battery voltage is changed
Module is connected with ADS1298 modular converter, battery electric quantity measurement module, MCU module and wireless data transceiver module respectively.
6. one according to claim 5 portable 12 lead electrocardiosignal synchronous acquisition device, it is characterised in that institute
State lithium battery voltage modular converter include boost converter chips, the 4th filter capacitor, power inductance, the 5th filter capacitor,
Six filter capacitors, the 7th filter capacitor,
Boost converter chips connects one end of lithium battery anode, one end of power inductance and the 4th filter capacitor, the 4th filtered electrical
The termination GND end holding, a pin of boost converter chips connects GND end, and a pin of boost converter chips is even
Connecing the other end of power inductance, a pin of boost converter chips connects the one of the 6th filter capacitor and the 7th filter capacitor
End, another termination GND end of the 6th filter capacitor and the 7th filter capacitor, a pin of boost converter chips connects the 5th
One end of filter capacitor, another termination GND end of the 5th filter capacitor, a pin of boost converter chips connects GND end,
One pin of boost converter chips connects the anode of lithium battery.
7. one according to claim 5 portable 12 lead electrocardiosignal synchronous acquisition device, it is characterised in that institute
The battery electric quantity measurement module stated include the second current-limiting resistance, the second filter capacitor, diode, switch key, No. two two
Pole pipe, lithium battery socket, the 3rd filter capacitor, the 4th resistance, management of charging and discharging chip, the first discharge and recharge indication LED lamp, second
Discharge and recharge indication LED lamp,
Management of charging and discharging chip connects USB5V end, pin of management of charging and discharging chip connect No. two diodes one end and
One end of lithium battery socket, a pin of management of charging and discharging chip connects GND end, termination second filtering of two current-limiting resistances
One end of electric capacity, another termination first discharge and recharge indication LED lamp of two current-limiting resistances and the one of the second discharge and recharge indication LED lamp
End, another termination GND end of the second filter capacitor, a termination USB5V end of a diode, another termination of a diode
Switch key and one end of No. two diodes, another termination VCC end of switch key, a termination discharge and recharge of the 3rd filter capacitor
One end of one pin of managing chip, one end of lithium battery socket and No. two diodes, a termination discharge and recharge of the 4th resistance
One pin of managing chip, another termination GND end of the 4th resistance, another termination charge and discharge of the first discharge and recharge indication LED lamp
One pin of electricity managing chip, a pin of another termination management of charging and discharging chip of the second discharge and recharge indication LED lamp.
8. one according to claim 1 portable 12 lead electrocardiosignal synchronous acquisition device, it is characterised in that institute
Stating wireless data transceiver module is serial ports Wi-Fi module or serial ports bluetooth module, and described data receiver display is intelligent mobile
Equipment, described Intelligent mobile equipment is smart mobile phone or panel computer, notebook computer.
9. the portable 12 lead of the one according to claim 7 or 8 electrocardiosignal synchronous acquisition device, it is characterised in that
Described serial ports bluetooth module includes serial ports Bluetooth chip, the 3rd electric capacity, the 3rd resistance, touch key, current-limiting resistance, bluetooth instruction
Lamp and the first filter capacitor,
Wherein: serial ports Bluetooth chip pin connect TXD end, another pin connects RXD end, another pin meets 3.3V
End, another pin connect GND end, a pin of a termination serial ports Bluetooth chip of the 3rd electric capacity, and another terminates GND end, the
Three resistance one termination serial ports Bluetooth chip a pin, the 3rd resistance another termination touch key one end, touch by
Another termination 3.3V end of key, a pin of a termination serial ports Bluetooth chip of current-limiting resistance, another termination of current-limiting resistance
One end of bluetooth indicator lamp, another termination GND end of bluetooth indicator lamp, a termination GND end of the first filter capacitor, the first filtering
Another termination 3.3V end of electric capacity, described serial ports Bluetooth chip is HM-11 bluetooth 4.0 chip, described bluetooth indicator lamp and touching
Button is arranged in housing outer surface, and HM-11 bluetooth 4.0 chip is serially connected with bluetooth indicator lamp and bluetooth touch key, HM-
The RXD pin of 11 bluetooth 4.0 chips is connected to the USART serial ports of MCU module in succession.
10. one according to claim 1 portable 12 lead electrocardiosignal synchronous acquisition device, it is characterised in that institute
State conducting wire for band shielding conducting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389229.3U CN205672027U (en) | 2016-04-29 | 2016-04-29 | A kind of portable 12 lead electrocardiosignal synchronous acquisition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389229.3U CN205672027U (en) | 2016-04-29 | 2016-04-29 | A kind of portable 12 lead electrocardiosignal synchronous acquisition device |
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| CN205672027U true CN205672027U (en) | 2016-11-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105769179A (en) * | 2016-04-29 | 2016-07-20 | 上海夏先机电科技发展有限公司 | Portable twelve-lead electrocardiographic signal synchronous collecting device |
| CN107046412A (en) * | 2017-04-27 | 2017-08-15 | 昆明理工大学 | A kind of weighted resistor formula ECG signal generator |
| CN107272916A (en) * | 2017-06-22 | 2017-10-20 | 段桂英 | A kind of novel computer input system |
| CN112244858A (en) * | 2020-11-10 | 2021-01-22 | 徐茂林 | Electrocardiogram detection device |
-
2016
- 2016-04-29 CN CN201620389229.3U patent/CN205672027U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105769179A (en) * | 2016-04-29 | 2016-07-20 | 上海夏先机电科技发展有限公司 | Portable twelve-lead electrocardiographic signal synchronous collecting device |
| CN105769179B (en) * | 2016-04-29 | 2018-04-20 | 上海夏先机电科技发展有限公司 | A kind of portable 12 lead electrocardiosignal synchronous acquisition device |
| CN107046412A (en) * | 2017-04-27 | 2017-08-15 | 昆明理工大学 | A kind of weighted resistor formula ECG signal generator |
| CN107046412B (en) * | 2017-04-27 | 2023-06-13 | 昆明理工大学 | Weight resistance type electrocardiosignal generator |
| CN107272916A (en) * | 2017-06-22 | 2017-10-20 | 段桂英 | A kind of novel computer input system |
| CN112244858A (en) * | 2020-11-10 | 2021-01-22 | 徐茂林 | Electrocardiogram detection device |
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Effective date of registration: 20240522 Address after: 200120 building C, No. 888, Huanhu West 2nd Road, Lingang New Area, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Shanghai Hart Zhikang Medical Technology Co.,Ltd. Country or region after: China Address before: 201499 room 1331, No.13, Lane 65, Huandong 1st Road, Fengjing town, Jinshan District, Shanghai Patentee before: SHANGHAI XIAXIAN ELECTROMECHANICAL SCIENCE AND TECHNOLOGY DEVELOPMENT CO.,LTD. Country or region before: China |
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