CN103750834A - Electrocardiosignal collecting wire - Google Patents
Electrocardiosignal collecting wire Download PDFInfo
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- CN103750834A CN103750834A CN201410050124.0A CN201410050124A CN103750834A CN 103750834 A CN103750834 A CN 103750834A CN 201410050124 A CN201410050124 A CN 201410050124A CN 103750834 A CN103750834 A CN 103750834A
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- circuit
- electrocardiosignal
- harvester
- installation cavity
- ecg signal
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Abstract
The invention discloses an electrocardiosignal collecting wire which comprises at least two electrode slices for acquiring electrocardiosignals, a collector for achieving electrocardiosignal processing and a USB interface for achieving electrocardiosignal transmission. The electrocardiosignal collecting wire is characterized in that the collector is encapsulated in a bar-shaped mounting cavity, connecting wires between the electrode slices and the collector are led out from one end of the mounting cavity, and a connecting wire between the USB interface and the collector is led out from the other end of the mounting cavity. The electrocardiosignal collecting wire has the advantages that the characteristics of wires are utilized ingeniously, electrocardiosignal collecting equipment is designed to be linear, and the electrocardiosignal collecting wire is small in body form and convenient to carry, improves the convenience of examinations and the comfort level of users, is capable of carrying out electrocardiogram monitoring at any time and any where based on an intelligent terminal, and provides convenience for medical staff and patients.
Description
Technical field
The present invention relates to a kind of electrocardiogram signal acquisition device, specifically, is a kind of ecg signal acquiring line.
Background technology
Electrocardiosignal is the physiological parameter that body weight for humans is wanted, and measures timely and accurately electrocardiosignal the diagnosis of numerous disease especially cardiovascular disease and prevention tool are of great significance.At present, the checkout gear of electrocardiosignal is mainly divided into two large classes both at home and abroad, a class is the other detector (as electrocardiogram monitor) of bed, mainly in hospital, uses bedside monitor to detect in real time patient, to observe patient's the state of an illness and variation thereof, and when abnormal, provide warning in electrocardio, breathing generation.But this detector is bulky, when monitoring, patient can not be freely movable, and doctor goes out medical city, can not carry.Another kind of is domestic detector (as portable ecg monitor), is mainly in family, patient to be guarded, and the signal of monitoring is sent to doctor by computer.But this detector complicated operation, and can not detect whenever and wherever possible.
Summary of the invention
For the problems referred to above, the invention provides a kind of ecg signal acquiring line, use simply, be easy to carry, can carry out cardioelectric monitor whenever and wherever possible based on intelligent terminal.
In order to achieve the above object, concrete technical scheme of the present invention is as follows:
A kind of ecg signal acquiring line, comprise that at least two for obtaining the electrode slice of electrocardiosignal, for realizing harvester that electrocardiosignal processes and for realizing the USB interface of electrocardiosignal transmission, its key is: described harvester is encapsulated in the installation cavity of a bar shaped, line between described electrode slice and harvester is drawn from one end of this installation cavity, and the line between described USB interface and harvester is drawn from the other end of this installation cavity.
Harvester is encapsulated in the installation cavity of bar shaped, one end extraction electrode sheet, the other end is drawn USB interface, integral body is line style, and the earphone cord that is similar to smart mobile phone is the same with USB connecting line, simple to operate, be convenient for carrying, USB interface is inserted to intelligent terminal upper, can realize power supply and the work of harvester, can realize cardioelectric monitor whenever and wherever possible based on intelligent terminal.
As further describing, in described harvester, be provided with analog front circuit, single chip circuit, USB change-over circuit and electric power management circuit, described analog front circuit for receive the electrocardiosignal of described electrode slice collection and amplify, filtering and analog digital conversion, described single chip circuit receives the electrocardiosignal of this analog front circuit output and realizes the electrocardiosignal transmission based on described USB interface through described USB change-over circuit, and described electric power management circuit is obtained power supply and realized described analog front circuit and single chip circuit are powered by described USB interface.
Further describe, described analog front circuit comprises ADS1292R integrated chip module, described single chip circuit adopts MSP430F149 singlechip chip, described USB change-over circuit adopts FT232BM chip, and described electric power management circuit comprises TLV70033DCK chip and tps73030 analog voltage chip.
In order to reduce the volume of harvester, analog front circuit in described harvester and single chip circuit are arranged on first circuit board, described electric power management circuit and USB change-over circuit are arranged on second circuit board, described first circuit board and second circuit board parallel distributed, in described installation cavity, are connected by winding displacement between first circuit board and second circuit board.
According to the needs of chip size size and circuit layout, described installation cavity is round bar cylindricality, and its radius is 1.2～2.0cm, and its length is 1.8～3.0cm.
Similarly, described installation cavity also can the side's of being bar cylindricality, and its width is 1.2～2.0cm, is highly 1.2～2.0cm, and length is 1.8～3.0cm.
For the ease of observing the duty of harvester, on described USB change-over circuit, be provided with data transmit-receive display lamp, described installation cavity adopts transparent rigid plastics to make.
According to application needs, on described harvester, be connected with three plate electrode sheets, this electrode slice is single crosslinking electrode sheet.
Remarkable result of the present invention is: the ingenious characteristic of utilizing line, ecg signal acquiring equipment is designed to linear, ecg signal acquiring line small, be easy to carry, the portability of detection and user's comfort level have been improved, can carry out cardioelectric monitor whenever and wherever possible based on intelligent terminal, for medical personnel and patient provide convenience.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the practical figure of the structure of harvester 2 in Fig. 1;
Fig. 3 is the internal circuit schematic diagram of harvester 2 in Fig. 1;
Fig. 4 is the circuit theory diagrams of analog front circuit in Fig. 3;
Fig. 5 is the circuit theory diagrams of single chip circuit in Fig. 3;
Fig. 6 is the circuit theory diagrams of USB change-over circuit in Fig. 3;
Fig. 7 is the first voltage conversion circuit figure in electric power management circuit;
Fig. 8 is the second voltage change-over circuit figure in electric power management circuit.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention and operation principle are described in further detail.
As shown in Figure 1, a kind of ecg signal acquiring line, comprise that three for obtaining the electrode slice 1 of electrocardiosignal, for realizing the harvester 2 of electrocardiosignal processing and the USB interface 3 of transmitting for realizing electrocardiosignal, wherein, electrode slice 1 is single crosslinking electrode sheet, harvester 2 is encapsulated in the installation cavity of a bar shaped, USB interface 3 is Mini USB interface, also can be converted to other form by interface convertor, for different intelligent terminal, line between electrode slice 1 and harvester 2 is drawn from one end of this installation cavity, line between USB interface 3 and harvester 2 is drawn from the other end of this installation cavity.
As can be seen from Figure 2, the installation cavity in the present embodiment is round bar cylindricality, and its radius is 1.2～2.0cm, preferred 1.5cm, its length is 1.8～3.0cm, preferably 2.0cm, circuit board in installation cavity can plastic packaging inside, also can, by the seal cover being threaded is set at two ends, circuit-board card be received in installation cavity, as equal replacement, the profile of installation cavity also can the side's of being arranged to bar cylindricality, width is 1.2～2.0cm, is highly 1.2～2.0cm, and length is 1.8～3.0cm.
As shown in Figure 3, in specific implementation process, in described harvester 2, be provided with analog front circuit, single chip circuit, USB change-over circuit and electric power management circuit, described analog front circuit is for receiving the electrocardiosignal of described electrode slice 1 collection and amplifying, filtering and analog digital conversion, described single chip circuit receives the electrocardiosignal of this analog front circuit output and realizes the electrocardiosignal transmission based on described USB interface 3 through described USB change-over circuit, described electric power management circuit is obtained power supply and is realized described analog front circuit and single chip circuit are powered by described USB interface 3.
As shown in Fig. 4-Fig. 8, needs for device miniaturization, when chip type selecting, described analog front circuit adopts ADS1292R integrated chip module, described single chip circuit adopts MSP430F149 singlechip chip, described USB change-over circuit adopts FT232BM chip, and described electric power management circuit adopts TLV70033DCK chip and tps73030 analog voltage chip.
As can be seen from Figure 4, utilize ADS1292R as the main circuit module of analog front circuit, receive respectively the first electrode, the electrocardiogram acquisition signal that the second electrode and third electrode are uploaded, through ADS1292R, amplify, after filtering and analog digital conversion, by spi bus, transfer to single-chip microcomputer MSP430F149, by Fig. 5 and Fig. 6, can find out, the serial communication pin of single chip circuit is connected with USB change-over circuit by winding displacement, single-chip microcomputer MSP430FF149 transfers to the electrocardiogram acquisition signal of reception in USB change-over circuit, after the conversion of USB change-over circuit, by USB interface, be transferred to intelligent terminal.
By Fig. 7 and Fig. 8, can find out, in electric power management circuit first by TLV70033DCK as the first voltage conversion circuit, USB interface is provided+5V voltage transitions powers to single-chip microcomputer MSP430FF149 for+3.3V voltage, adopt analog voltage module tps73030 as second voltage change-over circuit, be that ADS AVDD is the ADS1292R chip power supply in analog front circuit by 3.3V voltage transitions simultaneously.
According to Fig. 1, Fig. 2, Fig. 3 it can also be seen that, in specific implementation process, in order further to reduce the volume of harvester 2, make its integral body more approach line style, analog front circuit in described harvester 2 and single chip circuit are arranged on first circuit board 21, described electric power management circuit and USB change-over circuit are arranged on second circuit board 22, described first circuit board 21 and second circuit board 22 parallel distributed are in described installation cavity, between first circuit board 21 and second circuit board 22, by winding displacement, be connected, pass through rational deployment, maximum using the inner space of installation cavity.
By Fig. 6, it can also be seen that, on described USB change-over circuit, being provided with data transmit-receive display lamp, is two light emitting diodes of D2 and D3 in figure, and described installation cavity adopts transparent rigid plastics to make, without peripheral hardware LED indication window, can get information about the duty of equipment.
Finally it should be noted that: the present embodiment is only optimal design of the present invention, assembling and using method, not the present invention is done to any pro forma restriction; All foundations circuit of the present invention, structure are made any type of simple modification, within all belonging to technical scope of the present invention.
Claims (8)
1. an ecg signal acquiring line, comprise that at least two for obtaining the electrode slice (1) of electrocardiosignal, for realizing harvester (2) that electrocardiosignal processes and for realizing the USB interface (3) of electrocardiosignal transmission, it is characterized in that: described harvester (2) is encapsulated in the installation cavity of a bar shaped, line between described electrode slice (1) and harvester (2) is drawn from one end of this installation cavity, and the line between described USB interface (3) and harvester (2) is drawn from the other end of this installation cavity.
2. a kind of ecg signal acquiring line according to claim 1, it is characterized in that: described harvester is provided with analog front circuit in (2), single chip circuit, USB change-over circuit and electric power management circuit, described analog front circuit is used for receiving the electrocardiosignal of described electrode slice (1) collection and amplifying, filtering and analog digital conversion, described single chip circuit receives the electrocardiosignal of this analog front circuit output and realizes the electrocardiosignal transmission based on described USB interface (3) through described USB change-over circuit, described electric power management circuit obtains power supply by described USB interface (3) and realizes described analog front circuit and single chip circuit power supply.
3. a kind of ecg signal acquiring line according to claim 2, it is characterized in that: described analog front circuit comprises ADS1292R integrated chip module, described single chip circuit adopts MSP430F149 singlechip chip, described USB change-over circuit adopts FT232BM chip, and described electric power management circuit comprises TLV70033DCK chip and tps73030 analog voltage chip.
4. according to a kind of ecg signal acquiring line described in claim 2 or 3, it is characterized in that: the analog front circuit in described harvester (2) and single chip circuit are arranged on first circuit board (21), described electric power management circuit and USB change-over circuit are arranged on second circuit board (22), described first circuit board (21) and second circuit board (22) parallel distributed, in described installation cavity, are connected by winding displacement between first circuit board (21) and second circuit board (22).
5. a kind of ecg signal acquiring line according to claim 4, is characterized in that: described installation cavity is round bar cylindricality, and its radius is 1.2～2.0cm, and its length is 1.8～3.0cm.
6. a kind of ecg signal acquiring line according to claim 4, is characterized in that: the described installation cavity side of being bar cylindricality, and its width is 1.2～2.0cm, is highly 1.2～2.0cm, length is 1.8～3.0cm.
7. a kind of ecg signal acquiring line according to claim 4, is characterized in that: on described USB change-over circuit, be provided with data transmit-receive display lamp, described installation cavity adopts transparent rigid plastics to make.
8. a kind of ecg signal acquiring line according to claim 1, is characterized in that: on described harvester (2), be connected with three plate electrode sheets (1), this electrode slice (1) is single crosslinking electrode sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410050124.0A CN103750834A (en) | 2014-02-13 | 2014-02-13 | Electrocardiosignal collecting wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410050124.0A CN103750834A (en) | 2014-02-13 | 2014-02-13 | Electrocardiosignal collecting wire |
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| CN103750834A true CN103750834A (en) | 2014-04-30 |
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| CN201410050124.0A Pending CN103750834A (en) | 2014-02-13 | 2014-02-13 | Electrocardiosignal collecting wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106361321A (en) * | 2016-08-26 | 2017-02-01 | 中国科学院深圳先进技术研究院 | Electric physiological signal processing device based on single chip microcomputer |
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Application publication date: 20140430 |