CN204813872U - Heart electric detection means - Google Patents
Heart electric detection means Download PDFInfo
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- CN204813872U CN204813872U CN201520569305.4U CN201520569305U CN204813872U CN 204813872 U CN204813872 U CN 204813872U CN 201520569305 U CN201520569305 U CN 201520569305U CN 204813872 U CN204813872 U CN 204813872U
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- electrocardiosignal
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Abstract
The embodiment of the utility model discloses heart electric detection means is applied to the medical instrument field. In the carrier roller device, the device includes: electrocardio detection electrode, the electrocardiosignal line that leads, heart electrical detection circuitry, microcontroller and wireless communication module, electrocardio detection electrode is used for electrocardiogram signal collection and incites somebody to action electrocardio signal transfer extremely heart electrical detection circuitry, the electrocardiosignal leads the line and is used for connecting electrocardio detection electrode with heart electrical detection circuitry, heart electrical detection circuitry is used for signal transfer extremely microcontroller, heart electrical detection circuitry be used for with the electrocardiosignal carries out filtering, enlargies, analog -to -digital conversion, again the digital quantity that obtains of post -filter electrocardio signal transfer extremely microcontroller, wireless communication module is used for handling the back with carrying out digital filtering electrocardio signal transmission to the enterprising line display of host computer of digital quantity. The utility model provides a heart electric detection means has improved the accuracy and the reliability that detect.
Description
Technical field
This utility model relates to medical instruments field, particularly relates to a kind of ECG detection device.
Background technology
At medical domain, shown by cardiac electrophysiology data, heart is ceaselessly carrying out regular contraction and diastole campaign, and the change of the bioelectrical signals produced by myocardial activation can conduct to body surface by the conductive tissue around heart and body fluid thus make some position of health that the activity of regular Electrical change also can occur in each cardiac cycle.
Meanwhile, along with the arrival of China's aging society, and the quickening of rhythm of life and the increasing of life stress, prevalence and the sickness rate of cardiovascular disease rise all to some extent, and most of cardiovascular disease all have long-term in spite of illness, the feature of acute onset.Data according to health ministry data center show, and the cardiac of China more than 70% is all the place morbidities beyond hospital, and wherein major part is owing to having delayed best rescue time and dead.Therefore, be necessary very much to carry out long-term cardiac monitoring to cardiovascular patient.
But in prior art, it is inadequate that some portable cardiac checkout gears also exist data processing precision, and actual measurement effect is poor, cannot react the problem of each feature of electrocardiosignal.
Therefore a ECG detection device is needed to solve the problem.
Utility model content
The purpose of this utility model is that solving ECG detection device of the prior art also exists data processing precision not, and actual measurement effect is poor, thus cannot react the problem of each feature of electrocardiosignal.
In view of this, this utility model provides a kind of ECG detection device, can comprise:
ECG detecting electrode, electrocardiosignal conducting wire, ECG detecting circuit, microcontroller and wireless communication module;
Described ECG detecting electrode is for gathering electrocardiosignal and described electrocardiosignal being sent to described ECG detecting circuit by described electrocardiosignal conducting wire;
Described electrocardiosignal conducting wire connects described ECG detecting electrode and described ECG detecting circuit, for transmitting described electrocardiosignal;
The electrocardiosignal of the digital quantity that described ECG detecting circuit obtains after being used for that described electrocardiosignal is carried out filtering, amplification, analog digital conversion, again filtering is sent to described microcontroller;
Described microcontroller is sent to described wireless communication module after being used for carrying out digital filtering process to the electrocardiosignal of described digital quantity;
Described wireless communication module is used for the electrocardiosignal of the described digital quantity after carrying out digital filtering process to transfer to host computer.
As can be seen from the above technical solutions, this utility model has the following advantages:
In this utility model, this device makes to detect data accurately and reliable by the processing procedure of ECG detecting circuit, and processing accuracy is high, solves the problem that the data processing precision that exists in prior art is inadequate.In addition, the ECG detecting circuit adopted due to this utility model, microcontroller and wireless communication module all have the characteristic of low-power consumption, so reduce the power consumption of system largely.
Accompanying drawing explanation
Fig. 1 is a kind of ECG detection device structural representation of the present utility model;
Fig. 2 is the ECG detecting circuit diagram in a kind of ECG detection device of the present utility model;
Description of reference numerals: 201-ECG detecting electrode, 202-pre-filter circuit, 203-differential amplifier, 204-sigma-delta-converter, 205-lowpass digital filter, 206-driven-right-leg circuit, 207-common mode detection module, 208-operational amplifier.
Detailed description of the invention
This utility model embodiment provides a kind of ECG detection device, and can solve ECG detection device of the prior art and there is data processing precision not, actual measurement effect is poor, thus cannot react the problem of each feature of electrocardiosignal.
This utility model scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is only the embodiment of this utility model part, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of this utility model protection.
Refer to Fig. 1, be the structure chart of a kind of ECG detection device embodiment 1 that this utility model provides, as seen from Figure 1, described device comprises:
ECG detecting electrode 101, electrocardiosignal conducting wire 102, ECG detecting circuit 103, microcontroller 104 and wireless communication module 105;
Described ECG detecting electrode 101 is for gathering electrocardiosignal and described electrocardiosignal being sent to described ECG detecting circuit 103 by described electrocardiosignal conducting wire 102;
Described electrocardiosignal conducting wire 102 connects described ECG detecting electrode 101 and described ECG detecting circuit 103, for transmitting described electrocardiosignal;
Described ECG detecting circuit 103 is sent to described microcontroller 104 for the electrocardiosignal of the digital quantity obtained after described electrocardiosignal is carried out filtering, amplification, analog digital conversion, again filtering;
Described microcontroller 104 is sent to described wireless communication module 105 after carrying out digital filtering process to the electrocardiosignal of described digital quantity;
Described wireless communication module 105 is for transferring to host computer by the electrocardiosignal of the described digital quantity after carrying out digital filtering process.
Concrete, described ECG detecting electrode 101 gathers the faint electrocardiosignal of body surface, described electrocardiosignal conducting wire 102 connects described ECG detecting electrode 101 and described ECG detecting circuit 103, and the electrocardiosignal that described ECG detecting electrode 101 gathers sends described ECG detecting circuit 103 to through described electrocardiosignal conducting wire 102; Described ECG detecting circuit 103 carries out filtering, processing and amplifying to described electrocardiosignal after receiving described electrocardiosignal, and analog digital conversion becomes the electrocardiosignal of digital quantity, again sends described microcontroller 104 after filtering afterwards to; After described microcontroller 104 receives the electrocardiosignal of described digital quantity, digital filtering process is carried out to the electrocardiosignal of described digital quantity and send described wireless communication module 105 again to; The electrocardiosignal of the described digital quantity after digital filtering process is transferred to host computer by described wireless communication module 105, such as shows electrocardiosignal by host computer.
A kind of ECG detection device that the present embodiment provides makes to detect data accurately and reliable by the processing procedure of ECG detecting circuit, and processing accuracy is high, solves the problem that the data processing precision that exists in prior art is inadequate.In addition, the ECG detecting circuit adopted due to this utility model, microcontroller and wireless communication module all have the characteristic of low-power consumption, so reduce the power consumption of system largely.
Beneficial effect for the ease of a kind of ECG detection device provided this utility model has one to understand more intuitively, this utility model additionally provides embodiment 2, and the structural representation of composition graphs 1 one kinds of ECG detection devices and a kind of ECG detecting circuit diagram of Fig. 2 are described in detail.
ECG detection device in the present embodiment comprises all constituents in Fig. 1, and the description of its annexation and operation principle reference example 1, repeats no more here.
Further, in the present embodiment, described ECG detecting electrode 101 is for gathering electrocardiosignal and described electrocardiosignal being sent to described ECG detecting circuit 103 by described electrocardiosignal conducting wire 102.
Preferably, described ECG detecting electrode 101 adopts the mode being attached at detected person's body surface to gather electrocardiosignal, adopts the mode attached, can gather the electrocardiosignal that body surface is faint.Can be specifically that the described electrocardiosignal collected for being attached at detected person's body surface to gather the faint electrocardiosignal of body surface, and is transferred to described electrocardiosignal conducting wire 102 by described ECG detecting electrode 101.
Preferably, described ECG detecting electrode 101 can comprise RA electrode, LA electrode and LL electrode further, as shown in Fig. 2 201, described RA electrode and LA electrode are for gathering the electrocardiosignal of body surface difference, described LL electrode is used for right leg drive, improves common mode rejection ratio and the capacity of resisting disturbance of entire system.
Described electrocardiosignal conducting wire 102 for connecting described ECG detecting electrode 101 and described ECG detecting circuit 103, and for transmitting described electrocardiosignal.
Preferably, bag conductively-closed layer outside the holding wire of described electrocardiosignal conducting wire 102, to improve the capacity of resisting disturbance of described electrocardiosignal conducting wire 102.
Preferably, described electrocardiosignal conducting wire 102 is connected with described ECG detecting circuit by mini-USB interface after encapsulating.
It should be noted that, described electrocardiosignal conducting wire 102 is for being transferred to described ECG detecting circuit 103 by the electrocardiosignal of body surface, electrocardiosignal conducting wire 102 described in every root is all coated with the screen layer of ground connection to suppress various radio noise to the interference of described ECG detection device, simultaneously, three described electrocardiosignal conducting wires 102 are connected with described ECG detecting circuit 103 by mini-USB interface through encapsulation, the capacity of resisting disturbance of further raising system.
Described ECG detecting circuit 103 is sent to described microcontroller 104 for the electrocardiosignal of the digital quantity obtained after described electrocardiosignal is carried out filtering, amplification, analog digital conversion, again filtering.
Preferably, as shown in Figure 2, described ECG detecting circuit 103 specifically can comprise pre-filter circuit 202, differential amplifier 203, driven-right-leg circuit 206, sigma-delta-converter 204 and lowpass digital filter 205.Described ECG detecting circuit 103 is mainly used in amplifying the electrocardiosignal that body surface is faint and filtering be converted into digital signal.
Wherein, described pre-filter circuit 202 is for being sent to described differential amplifier 203 by described Filtering of ECG Signal, described differential amplifier 203 is for being undertaken amplifying by filtered for described pre-filter circuit 202 described electrocardiosignal and being sent to described sigma-delta-converter 204, described sigma-delta-converter 204 is converted to the electrocardiosignal of digital quantity for the described electrocardiosignal after being amplified by described differential amplifier 203 and is sent to described lowpass digital filter 205, described lowpass digital filter 205 is for carrying out filtering by the electrocardiosignal of described digital quantity and being sent to described microcontroller 104, described driven-right-leg circuit 206 is for improving the common mode rejection ratio of described ECG detecting circuit 103.
Preferably, described pre-filter circuit 202 comprises electromagnetic interface filter.
Preferably, described differential amplifier 203 comprises instrument amplifier.
Preferably, the data output rate of described sigma-delta-converter 204 is 200Hz.
Preferably, the cut-off frequency of described wave digital lowpass filter 205 is 80Hz.
Preferably, described ECG detecting circuit 103 is ADS1293 low-power consumption AFE (analog front end).
By reference to the accompanying drawings 2, the specific works process of described ECG detecting circuit 103 is: the described RA electrode sent by electrocardiosignal conducting wire 102 and the faint body surface electrocardiosignal of described LA electrode are first through interference such as pre-filter circuit 202 filtering radio frequencies, be resent to differential amplifier 203 to amplify, be sent to described sigma-delta-converter 204 after amplification to change, preferably, described sigma-delta-converter 204 data conversion accuracy is 24, switching rate is 200sps, finally obtain the electrocardiosignal of corresponding digital quantity, the electrocardiosignal of this digital quantity is again through described lowpass digital filter 205, preferably, the cut-off frequency of described lowpass digital filter 205 is 80Hz, be sent to microcontroller 104 and do further process, the effect of described driven-right-leg circuit 206 is the common mode rejection ratio and the capacity of resisting disturbance that improve entire system, its operation principle is the common mode voltage signal being obtained described RA electrode and described LA electrode by common mode detection module 207, feed back to ECG detecting electrode LL by operational amplifier 208 again, thus realize the feedback of common-mode voltage and the formation of circuit loop.
Described microcontroller 104 is sent to described wireless communication module 105 after carrying out digital filtering process to the electrocardiosignal of described digital quantity.
Concrete, described microcontroller 104 is for the electrocardiosignal of described digital quantity that receives described ECG detecting circuit 103 and send and carry out digital Filtering Processing, then the electrocardiosignal after process is sent to described wireless communication module 105.
Preferably, described microcontroller is MSP430F5529 Low Power High Performance microprocessor.
Described wireless communication module 105, for the electrocardiosignal of the described digital quantity after carrying out digital filtering process is transferred to host computer, such as shows etc. on host computer.
Preferably, described wireless communication module is bluetooth 4.0 wireless communication module.
In the present embodiment, this device makes to detect data accurately and reliable by the processing procedure of ECG detecting circuit, and processing accuracy is high, solves the problem that the data processing precision that exists in prior art is inadequate.In addition, the ECG detecting circuit adopted due to this utility model, microcontroller and wireless communication module all have the characteristic of low-power consumption, so reduce the power consumption of system largely, solving some portable cardiac checkout gears in prior art, to there are some overall power excessive, and common batteries cannot support the problem of long-term continuous detecting.
ECG detection device described in this utility model due to adopt circuit structure go for portable cardiac checkout gear field, therefore, the ECG detection device that this utility model provides also possessed portable cardiac checkout gear volume little, be easy to carry and low-cost advantage.
Term " first ", " second ", " the 3rd " " 4th " etc. (if existence) in description of the present utility model and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.The embodiments described herein should be appreciated that the data used like this can be exchanged in the appropriate case, so that can be implemented with the order except the content except here diagram or description.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
The above, above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although be described in detail this utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of this utility model.
Claims (10)
1. an ECG detection device, is characterized in that, described device comprises:
ECG detecting electrode, electrocardiosignal conducting wire, ECG detecting circuit, microcontroller and wireless communication module;
Described ECG detecting electrode is for gathering electrocardiosignal and described electrocardiosignal being sent to described ECG detecting circuit by described electrocardiosignal conducting wire;
Described electrocardiosignal conducting wire connects described ECG detecting electrode and described ECG detecting circuit, for transmitting described electrocardiosignal;
The electrocardiosignal of the digital quantity that described ECG detecting circuit obtains after being used for that described electrocardiosignal is carried out filtering, amplification, analog digital conversion, again filtering is sent to described microcontroller;
Described microcontroller is sent to described wireless communication module after being used for carrying out digital filtering process to the electrocardiosignal of described digital quantity;
Described wireless communication module is used for the electrocardiosignal of the described digital quantity after carrying out digital filtering process to transfer to host computer.
2. device according to claim 1, is characterized in that, described ECG detecting electrode comprises RA electrode, LA electrode and LL electrode, and described RA electrode and LA electrode are for gathering the electrocardiosignal of body surface difference, and described LL electrode is used for right leg drive.
3. device according to claim 1, is characterized in that, bag conductively-closed layer outside the holding wire of described electrocardiosignal conducting wire.
4. device according to claim 3, is characterized in that, is connected after described electrocardiosignal conducting wire encapsulation by mini-USB interface with described ECG detecting circuit.
5. device according to claim 1, is characterized in that, described ECG detecting circuit comprises pre-filter circuit, differential amplifier, driven-right-leg circuit, sigma-delta-converter and lowpass digital filter;
Described pre-filter circuit is used for described Filtering of ECG Signal and is sent to described differential amplifier, described differential amplifier is used for filtered for described pre-filter circuit described electrocardiosignal being carried out amplifying and being sent to described sigma-delta-converter, described sigma-delta-converter is used for the described electrocardiosignal after being amplified by described differential amplifier and is converted to the electrocardiosignal of digital quantity and is sent to described lowpass digital filter, described lowpass digital filter is used for the electrocardiosignal of described digital quantity being carried out filtering and being sent to described microcontroller, described driven-right-leg circuit is for improving the common mode rejection ratio of described ECG detecting circuit.
6. device according to claim 5, is characterized in that, described differential amplifier comprises instrument amplifier.
7. device according to claim 5, is characterized in that, the data output rate of described sigma-delta-converter is 200Hz, and the cut-off frequency of wave digital lowpass filter is 80Hz.
8. device according to claim 1, is characterized in that, described ECG detecting circuit is ADS1293 low-power consumption AFE (analog front end).
9. device according to claim 1, is characterized in that, described microcontroller is MSP430F5529 Low Power High Performance microprocessor.
10. device according to claim 1, is characterized in that, described wireless communication module is bluetooth 4.0 wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520569305.4U CN204813872U (en) | 2015-07-31 | 2015-07-31 | Heart electric detection means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520569305.4U CN204813872U (en) | 2015-07-31 | 2015-07-31 | Heart electric detection means |
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| CN204813872U true CN204813872U (en) | 2015-12-02 |
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| CN201520569305.4U Active CN204813872U (en) | 2015-07-31 | 2015-07-31 | Heart electric detection means |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105054923A (en) * | 2015-07-31 | 2015-11-18 | 北京医康世纪科技有限公司 | Electrocardiogram detection device |
| CN108433717A (en) * | 2017-10-23 | 2018-08-24 | 刘莹 | A kind of wireless dynamic electrocardiograph |
-
2015
- 2015-07-31 CN CN201520569305.4U patent/CN204813872U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105054923A (en) * | 2015-07-31 | 2015-11-18 | 北京医康世纪科技有限公司 | Electrocardiogram detection device |
| CN108433717A (en) * | 2017-10-23 | 2018-08-24 | 刘莹 | A kind of wireless dynamic electrocardiograph |
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| C14 | Grant of patent or utility model | ||
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Address after: Room 1310, 13 / F, building 7, No. 37, Chaoqian Road, science and Technology Park, Changping District, Beijing 102200 Patentee after: Beijing Lepu Mingshi Technology Co.,Ltd. Address before: No. 37, Chaoqian Road, Changping District, Beijing 102200 Patentee before: BEIJING E-CARE CENTURY TECHNOLOGY Co.,Ltd. |