CN209252860U - A kind of multi-lead electrocardiogram acquisition box - Google Patents
A kind of multi-lead electrocardiogram acquisition box Download PDFInfo
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- CN209252860U CN209252860U CN201820993027.9U CN201820993027U CN209252860U CN 209252860 U CN209252860 U CN 209252860U CN 201820993027 U CN201820993027 U CN 201820993027U CN 209252860 U CN209252860 U CN 209252860U
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- electrocardiogram acquisition
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Abstract
The utility model relates to multi-lead ECG signal sampling fields, in particular to a kind of multi-lead electrocardiogram acquisition box, including lead electrocardiogram acquisition shell and the first battery plate and the second battery plate that are arranged in lead electrocardio shell, first battery plate includes standard lead electrode interface, host computer USB interface, multichannel analog front end conditioning module, microprocessor, power management chip and communication module, power management chip provides stable operating voltage for multichannel analog front end conditioning module and microprocessor, multichannel analog front end conditioning module and USB isolating chip are connect with microprocessor；Second battery plate includes multi-channel switch and power supply indicator, and multi-channel switch is connect with multichannel analog front end conditioning module；Not only collecting cassette is small in size for the utility model, is designed beautifully, and can also acquire the ECG signal of a variety of leads, export and interfere small ECG signal, provide convenience for detection ECG signal.
Description
Technical field
The utility model relates to multi-lead ECG signal sampling field, in particular to a kind of multi-lead electrocardiogram acquisition box.
Background technique
Coronary heart disease, that is, heart disease is a kind of disease caused due to coronary occlusion in human heart.According to the world
Health organization statistics, coronary heart disease is died of per year over 12000000 people in the whole world.Studies have shown that myocardial infarction, myocardial ischemia etc. are
The case where often occurring before coronary heart attack.In clinical application, electrocardio (Electrocardiography, ECG) can characterize
A kind of electrical activity of heart is bulky, expensive Medical Devices mostly to acquire electrocardio in medical signal detection
Signal, and then assess the situation of heart.
There is the acquisition device of proposition using single lead to acquire ECG signal at present, cardiomotility abundant can not be obtained
Situation；Also there is ECG collection device to obtain standard ecg leads using 12 lead electrode, but be unable to satisfy switching difference and lead
The demand of connection mode brings inconvenience to detection ECG signal；And that there is also lead device volumes is larger for the prior art, acquisition
The problems such as ECG signal lead is complicated for operation.
Utility model content
In view of the above shortcomings of the prior art, the utility model provides a kind of multi-lead electrocardiogram acquisition box, which is characterized in that
Including lead electrocardiogram acquisition shell 100 and the first battery plate 160 and the second battery plate 150 that are arranged in lead electrocardio shell, institute
Stating the first battery plate includes standard lead electrode interface 130, host computer usb 1 40, multichannel analog front end conditioning module
121, microprocessor 123, power management chip 124 and communication module, the power management chip 124 is before multichannel analog
Conditioning module 121, microprocessor 123 and communication module is held to provide stable operating voltage, the multichannel analog front end conditioning
Module 121 and communication module are connect with microprocessor 123；Second battery plate 150 includes multi-channel switch 122 and electricity
Source indicator light, the multi-channel switch 122 are connect with multichannel analog front end conditioning module 121.
Preferably, the microprocessor 123 includes core processor and two-way serial communication mouth 1231, at the kernel
Reason device is used to carry out the electrocardiogram (ECG) data of acquisition the order that digital filtering and the two-way serial ports transceiver of processing receive, described double
It is used to communicate with host computer to serial communication mouth 1231.
Preferably, the standard lead electrode interface 130 is arranged in the front side 101 of lead electrocardiogram acquisition shell, it is described on
The rear side 102 of lead electrocardiogram acquisition shell is arranged in position machine usb 1 40, multi-channel switch 122 and power supply indicator 127.
Preferably, the width of the lead electrocardiogram acquisition shell 100 is 3cm~8cm, and length is 6cm~13cm, height
For 1.5cm~5cm.
Preferably, multichannel analog front end conditioning module 121 use TI company two panels OPA4170 chip and
A piece of ADS1258 chip realizes filtering, amplification and analog-to-digital conversion to original electro-cardiologic signals respectively.
As an alternative embodiment, the communication module includes USB isolating chip 125 and level transfer chip
126, the USB isolating chip 125 respectively with level transfer chip 126, microprocessor two-way serial communication mouth 1231, on
Position machine usb 1 40 and power management chip 124 connect, and the level transfer chip 126 and host computer usb 1 40 connect
It connects.
Preferably, ISOW7821 chip of the USB isolating chip 125 using TI company, the level transfer chip 126
Using the CH340B chip of Qin Heng company.
As another optional embodiment, the communication module includes radio transmitting and receiving chip, the wireless receiving and dispatching core
The connection of the two-way serial communication mouth 1231 of piece and microprocessor, microprocessor are carried out by radio transmitting and receiving chip and host computer
Wireless communication.
Preferably, the microprocessor 123 uses the STM32L151CBT6 chip of ST Microelectronics.
Preferably, the power management chip 124 uses the LP3985 chip of TI company.
Not only collecting cassette is small in size, is designed beautifully for a kind of multi-lead electrocardiogram acquisition box provided by the utility model, can be with
The ECG signal of a variety of leads is acquired, exports and interferes small ECG signal, is provided convenience for detection ECG signal.
Detailed description of the invention
Fig. 1 is the whole design figure of the utility model multi-lead electrocardiogram acquisition box；
Fig. 2 is the utility model electrocardiosignal accepted standard crosslinking electrode interface structure schematic diagram；
Fig. 3 is the utility model multi-channel switch schematic diagram；
Fig. 4 is the microcontrol processor structural schematic diagram that the utility model uses；
Fig. 5 is the utility model USB isolating chip structural schematic diagram；
Fig. 6 is a kind of preferred embodiment of multi-lead electrocardiogram acquisition box communication module of the utility model；
Fig. 7 is a kind of multi-lead electrocardiogram acquisition box of the utility model using preferred with host computer USB interface wired connection
Embodiment；
Fig. 8 is the 12 lead ecg wave form figure limb lead waveform figure that the utility model connects that host computer is shown；
Fig. 9 is the 12 lead ecg wave form figure chest lead waveform figure that the utility model connects that host computer is shown；
Figure 10 is the CM5 lead ecg wave form figure that the utility model connects that host computer is shown；
Figure 11 is the Nehb-D lead ecg wave form figure that the utility model connects that host computer is shown；
Wherein, 100- lead electrocardiogram acquisition shell, the front side of 101- lead electrocardiogram acquisition shell, 102- lead electrocardiogram acquisition
The rear side of shell, 110- multi-lead electrode, 121- multichannel analog front end conditioning module, 122- multi-channel switch, 123- are micro-
Type processor, the two-way serial communication mouth of 1231-, 124- power management chip, 125-USB isolating chip, 126- level shift core
Piece, 127- power supply indicator, 130- standard lead electrode interface, 140- host computer USB interface, the second battery plate of 150-, 160-
One battery plate.
Specific embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below in conjunction with attached
Figure, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described embodiment is only
It is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff's every other embodiment obtained under the premise of not making the creative labor belongs to the utility model protection
Range.
The utility model provides a kind of multi-lead electrocardiogram acquisition box, including lead electrocardiogram acquisition shell 100 and setting exist
The first battery plate 160 and the second battery plate 150 in lead electrocardio shell, first battery plate include standard lead electrode interface 130,
Host computer usb 1 40, multichannel analog front end conditioning module 121, microprocessor 123, power management chip 124 and logical
Believe module, the power management chip 124 is multichannel analog front end conditioning module 121, microprocessor 123 and communication module
Stable operating voltage is provided, multichannel analog front end conditioning module 121 and communication module connect with microprocessor 123
It connects；Second battery plate 150 includes multi-channel switch 122 and power supply indicator, the multi-channel switch 122 and multi-pass
Road AFE(analog front end) conditioning module 121 connects.
The shape of multi-lead electrocardiogram acquisition box in the embodiments of the present invention, such as Fig. 1, lead electrocardiogram acquisition shell
The rectangular box of 100 design growth 6cm, width 5cm, high 2cm, interior lead electrocardiogram acquisition shell 100 includes 160 He of the first mainboard
The front side 101 of lead electrocardiogram acquisition shell, the host computer USB is arranged in second mainboard 150, standard lead electrode interface 130
The rear side 102 of lead electrocardiogram acquisition shell is arranged in interface 140, multi-channel switch 122 and power supply indicator 127；First electricity
Electrical connection, and first circuit board 160 and second circuit are realized by PFC soft arranging wire between road plate 160 and second circuit board 150
Plate 150 is fixed on inside multi-lead electrocardiogram acquisition shell 100 by rivet and screw.
Preferably, the microprocessor 123 includes core processor and two-way serial communication mouth 1231, at the kernel
Reason device is used to carry out the electrocardiogram (ECG) data of acquisition the order that digital filtering and the two-way serial ports transceiver of processing receive, described double
It is used to communicate with host computer to serial communication mouth 1231.
Preferably, the multi-lead motor 110 be button standard 12 lead electrocardio line, comprising connect human body RA,
The public mouth of LA, RL, LL limb leads electrode and C1, C2, C3, C4, C5, C6 chest crosslinking electrode and DB15 needle interface；The mark
Quasi- crosslinking electrode interface 130 is female mouth of standard DB15 needle interface, the public mouth with the DB15 needle interface on multi-lead motor 110
Match；The host computer usb 1 40 uses micro type mother's USB mouth, for connecting USB transmission line, realizes the USB with host computer
Communication；
Preferably, the first mainboard 160 and the second mainboard 150 collectively form the acquisition and processing of ECG signal, the first mainboard
Multichannel analog front end conditioning module 121 on 160 is connect by standard lead motor interface 130 with multi-lead electrode 110, more
Channel analogy front end conditioning module 121 includes two panels OPA4170 chip and a piece of ADS1258 chip, two pieces of OPA4170 chip energy
Enough to be filtered the ECG signal that multi-lead electrode 110 acquires respectively, amplify, ADS1258 chip can will be filtered, put
Electrocardiosignal after big be transferred in microprocessor 123 after digital-to-analogue conversion；
Preferably, multi-channel switch 122 uses six road plucking number sign switches or eight path analoging switch, for manually or automatically
Switch the acquisition of multi leads ECG signal；
Preferably, STM32L151CBT6 chip of the microprocessor 123 using ST Microelectronics, this chip interior
Comprising core processor Cotex-M3 and two-way serial communication mouth 1231, to from multichannel analog front end conditioning module 121
Digital signal carries out digital signal filter processing, and establishes data transmission by two-way serial communication mouth 1231 and host computer；
Preferably, power management chip 124 is USB isolating chip 125, multichannel using the LP3985 chip of TI company
AFE(analog front end) conditioning module 121 and microprocessor 123 provide stable operating voltage.
Preferably, the DB15 interface of standard lead electrode interface 130, multi-channel switch 122 and microcontroller 123 it
Between connection type such as Fig. 2-4, limb leads electrode RA, LA, RL, LL pass through the 9th pin of DB15 interface, the tenth pipe respectively
Foot, the 14th pin, the 11st pin transmit the 11st pin, the 8th pin, the first pin of signal to microprocessor 123
With the 6th pin, chest crosslinking electrode C1, C2, C3, C4, C5, C6 pass through respectively the 12nd pin of DB15 interface, the first pin,
Second pin, third supervisor, the 4th pin, the 5th pin deliver a signal to the first pin of multi-channel switch 122 to the 6th
The 4th pin, the tenth pin, the 9th pin, the 7th pin of pin and microcontroller.5th pin and third pin；It is described
Microprocessor 123 uploads data to the tenth three-prong of isolating chip 125 by the 19th pin, and microprocessor 123 is logical
Cross ten four pin downloading data of the 18th pin from isolating chip 125；7th pin of multi-channel switch 122 is to the tenth
It is in parallel between two pins, and connect with the 14th pin of DB15 interface, that is, receive the signal of limb leads electrode RL.
As a kind of optional embodiment of communication module, as shown in fig. 7, the communication module of the present embodiment selects wired company
It connects, host computer usb 1 40 is the company of micro type USB connection interface, level transfer chip 126 and USB isolating chip 125
Relationship such as Fig. 5-6 is met, the second pin of host computer usb 1 40 is connect with the 6th pin of level transfer chip 126, upper
The third pin of machine usb 1 40 is connect with the 5th pin of level transfer chip 126；The level transfer chip 126 uses
The USB level conversion of host computer usb 1 40 is Transistor-Transistor Logic level by CH340B chip；Second pin of level transfer chip 126
For up-delivering signal to the third pin of USB isolating chip 125, level shifts the third pin of chip 126 from USB isolating chip 125
The 4th pin download signal, the power input of USB isolating chip 125, i.e. the 15th pin and the 16th pin, with characteristic
The magnetic bead that impedance is 600 ohm connects, and realizes the electrical isolation between host computer usb 1 40 and USB isolating chip 125,
Reduce the High-frequency Interference of 125 out-put supply of USB isolating chip；
Preferably, USB isolating chip 125 using TI company ISOW7821, the USB isolating chip respectively with host computer
Usb 1 40 and level transfer chip 126 connect, this chip is used for USB power source every the isolation of discrete data transmission channel；Institute
The CH340B chip that USB level transfer chip uses Qin Heng company is stated, for being Transistor-Transistor Logic level by USB level conversion, realizes USB
Data transmission.
The alternatively optional embodiment of communication module, the communication module includes radio transmitting and receiving chip, described
The two-way serial communication mouth 1231 of radio transmitting and receiving chip and microprocessor connection, microprocessor by radio transmitting and receiving chip with
Host computer carries out wireless communication.
It is connected on body surface, 110 connection electrode piece of multi-lead electrode by limb leads according to the position that standard solution plane is learned
Electrode and chest crosslinking electrode constitute willson 12 lead electrocardio system on human body, and multi-lead electrocardiogram acquisition box has by USB
Line connects host computer, standard 12 lead ecg wave form figure can be shown in host computer, wherein the waveform diagram of limb leads such as Fig. 8
Shown, the waveform diagram of chest leads is as shown in Figure 9.
The road switching switch 122 of multi-lead electrocardiogram acquisition box is allocated to shielding unipolar chest lead mode, according to related medical company
Method is connect, RA crosslinking electrode and LA crosslinking electrode are constituted into CM5 lead on human body by limb leads electrode, waveform diagram is such as
Shown in Figure 10；RA crosslinking electrode and LL crosslinking electrode Nehb-D lead, waveform diagram is as shown in figure 11, multi-lead electrocardiogram acquisition box
100, by USB wired connection host computer, can show CM5 and Nehb-D lead ecg wave form figure in host computer.
In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result,
Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features, and should not be understood as to the utility model
Limitation.
In the present invention unless specifically defined or limited otherwise, the arts such as term " setting ", " connection ", " fixation "
Language shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly, for those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of multi-lead electrocardiogram acquisition box, which is characterized in that including lead electrocardiogram acquisition shell (100) and be arranged in lead
The first battery plate (160) and the second battery plate (150) in electrocardio shell, first battery plate includes standard lead electrode interface
(130), host computer USB interface (140), multichannel analog front end conditioning module (121), microprocessor (123), power management
Chip (124) and communication module, the standard lead electrode interface (130) connect with multi-lead electrode (110), the power supply pipe
Reason chip (124) is multichannel analog front end conditioning module (121), microprocessor (123) and communication module provide and stablize work
Make voltage, multichannel analog front end conditioning module (121) and communication module are connect with microprocessor (123)；It is described
Second battery plate (150) includes multi-channel switch (122) and power supply indicator, the multi-channel switch (122) and multichannel
AFE(analog front end) conditioning module (121) connection.
2. a kind of multi-lead electrocardiogram acquisition box according to claim 1, which is characterized in that the microprocessor (123)
Including core processor and two-way serial communication mouth (1231), the core processor is for counting the electrocardiogram (ECG) data of acquisition
Word filters and handles the order that two-way serial ports transceiver receives, and the two-way serial communication mouth (1231) is used for and host computer
Communication.
3. a kind of multi-lead electrocardiogram acquisition box according to claim 1, which is characterized in that the standard lead electrode interface
(130) front side (101) of lead electrocardiogram acquisition shell, the host computer USB interface (140), multi-channel switch are set
(122) and the rear side (102) of lead electrocardiogram acquisition shell is arranged in power supply indicator (127).
4. a kind of multi-lead electrocardiogram acquisition box according to claim 1, which is characterized in that the lead electrocardiogram acquisition shell
(100) width is 3cm~8cm, and it is highly 1.5cm~5cm that length, which is 6cm~13cm,.
5. a kind of multi-lead electrocardiogram acquisition box according to claim 1, which is characterized in that multichannel analog front end tune
The two panels OPA4170 chip and a piece of ADS1258 chip that reason module (121) uses, are realized respectively to original electro-cardiologic signals
Filtering, amplification and analog-to-digital conversion.
6. a kind of multi-lead electrocardiogram acquisition box according to claim 1, which is characterized in that the communication module includes USB
Isolating chip (125) and level transfer chip (126), the USB isolating chip (125) shift chip with level respectively
(126), two-way serial communication mouth (1231), host computer USB interface (140) and the power management chip (124) of microprocessor
Connection, level transfer chip (126) connect with host computer USB interface (140).
7. a kind of multi-lead electrocardiogram acquisition box according to claim 6, which is characterized in that the USB isolating chip (125)
Using ISOW7821 chip, level transfer chip (126) uses CH340B chip.
8. a kind of multi-lead electrocardiogram acquisition box according to claim 1, which is characterized in that the communication module includes wireless
The two-way serial communication mouth (1231) of transceiving chip, the radio transmitting and receiving chip and microprocessor connects, and microprocessor is logical
Radio transmitting and receiving chip is crossed to carry out wireless communication with host computer.
9. a kind of multi-lead electrocardiogram acquisition box according to claim 1, which is characterized in that the microprocessor (123)
Using STM32L151CBT6 chip.
10. a kind of multi-lead electrocardiogram acquisition box according to claim 1, which is characterized in that the power management chip
(124) LP3985 chip is used.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820993027.9U CN209252860U (en) | 2018-06-26 | 2018-06-26 | A kind of multi-lead electrocardiogram acquisition box |
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| CN201820993027.9U CN209252860U (en) | 2018-06-26 | 2018-06-26 | A kind of multi-lead electrocardiogram acquisition box |
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| CN209252860U true CN209252860U (en) | 2019-08-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113842149A (en) * | 2021-11-04 | 2021-12-28 | 深圳市尤迈医疗用品有限公司 | Switchable lead adapter |
-
2018
- 2018-06-26 CN CN201820993027.9U patent/CN209252860U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113842149A (en) * | 2021-11-04 | 2021-12-28 | 深圳市尤迈医疗用品有限公司 | Switchable lead adapter |
| CN113842149B (en) * | 2021-11-04 | 2023-01-03 | 深圳市尤迈医疗用品有限公司 | Switchable lead adapter |
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