CN212307856U - Electrocardiosignal acquisition circuit, module, equipment, system and clothing - Google Patents
Electrocardiosignal acquisition circuit, module, equipment, system and clothing Download PDFInfo
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- CN212307856U CN212307856U CN201922489562.8U CN201922489562U CN212307856U CN 212307856 U CN212307856 U CN 212307856U CN 201922489562 U CN201922489562 U CN 201922489562U CN 212307856 U CN212307856 U CN 212307856U
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Abstract
The utility model discloses an electrocardiosignal acquisition circuit, a module, equipment, a system and clothes, wherein the electrocardiosignal acquisition circuit comprises an ECG acquisition module, an FM modulation module, an RC coupling circuit and an audio interface; the ECG acquisition module acquires an electrocardiosignal, modulates the electrocardiosignal to an audio carrier through the FM modulation module, couples the modulated electrocardiosignal to an MIC connecting end of the audio interface through the RC coupling circuit, outputs the modulated electrocardiosignal through the MIC connecting end of the audio interface, and provides a direct current power supply for the ECG acquisition module and the FM modulation module through the MIC connecting end of the audio interface. Therefore, the utility model discloses when can realize electrocardiosignal's transmission with MIC interface protocol standard, acquire the power through the MIC link, saved the power supply part, the circuit is simple, and is small.
Description
Technical Field
The utility model relates to an electrocardio monitoring technology field, in particular to electrocardio signal acquisition circuit, electrocardio acquisition front end module, equipment, system and clothing.
Background
Cardiovascular diseases are the first major threat of human health nowadays, have sudden and malignant characteristics, except for in-hospital diagnosis and treatment, pay more and more attention to its prevention and monitoring in ordinary life, the collection and record of electrocardio data is as the effective means of cardiovascular disease monitoring, and the current medical electrocardio monitor is too big in volume and weight, and the portability is poor, is difficult to satisfy the collection and record of electrocardio signals in ordinary life.
At present, portable electrocardio detection equipment based on mobile equipment is available in the market, which mainly collects electrocardiosignals through an electrocardiosignal collecting module, transmits the electrocardiosignals to the mobile equipment in a wired or wireless communication mode, and processes the electrocardiosignals through the mobile equipment to obtain electrocardio data so as to realize the collection and the recording of the electrocardio data. However, in the design or production of actual products, various problems such as reliable electrocardiosignal transmission, equipment power supply, and structure miniaturization need to be solved inevitably.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the electrocardiosignal acquisition circuit is simple in structure, small in size and high in reliability.
In order to achieve the above object, the present invention provides the following technical solutions:
an electrocardiosignal acquisition circuit comprises an ECG acquisition module, an FM modulation module, an RC coupling circuit and an audio interface; wherein the content of the first and second substances,
the ECG acquisition module is used for acquiring electrocardiosignals;
the FM modulation module is used for modulating the electrocardiosignal to an audio carrier;
the RC coupling circuit is used for coupling the modulated electrocardiosignal to an MIC connecting end of the audio interface;
and the MIC connecting end of the audio interface is used for outputting the modulated electrocardiosignal and providing a direct current power supply for the ECG acquisition module and the FM modulation module.
According to a specific implementation mode, the utility model discloses an among the electrocardiosignal acquisition circuit, the ECG collection module includes: the device comprises a pre-amplification module, a band-pass filtering module and an amplification module which are connected in sequence.
According to a specific implementation mode, the utility model discloses an among the electrocardiosignal acquisition circuit, the MIC link of audio interface is connected with voltage stabilizing module, moreover ECG acquisition module with FM modulation module passes through voltage stabilizing module acquires DC power supply.
Further, the voltage stabilizing module is a low dropout regulator.
According to a specific implementation mode, in the electrocardiograph signal acquisition circuit of the present invention, the RC coupling circuit includes a first resistor and a first capacitor; and the modulated electrocardiosignal is coupled to the MIC connecting end of the audio interface sequentially through the first resistor and the first capacitor.
Based on the unified utility model, the utility model also provides an electrocardiosignal acquisition front-end module, which comprises an audio connector, a lead wire end and a novel electrocardiosignal acquisition circuit for real use; wherein the lead wire head is connected with the input end of the ECG acquisition module; the audio connector is connected with the audio interface.
According to a specific implementation mode, in the front end module for electrocardiograph acquisition of the present invention, the lead is a single lead or a multi-lead; the audio connector is an audio socket or an audio plug.
Based on unified utility model, the utility model discloses still provide a clothing with electrocardio collection function, it includes the clothing body, and sets up on the clothing body the utility model discloses a front end module is gathered to the electrocardio.
Based on unified utility model, the utility model discloses still provide an electrocardio monitoring facilities, it includes:
a mobile terminal having an audio interface; and, the utility model discloses an electrocardio acquisition front end module;
the electrocardiosignal acquisition front-end module is connected with each electrode plate to acquire corresponding electrocardiosignals;
the mobile terminal is connected with the electrocardio-acquisition front-end module through an audio interface, and is used for receiving electrocardiosignals, processing the electrocardiosignals to obtain corresponding electrocardio data and providing a direct-current power supply for an electrocardio-signal acquisition circuit of the electrocardio-acquisition front-end module.
Based on unified utility model, the utility model discloses still provide an electrocardio monitoring data management system, it includes:
a server;
and the electrocardio monitoring equipment of the utility model is used by each user;
the server is used for receiving the electrocardio data uploaded by each electrocardio monitoring device and storing the electrocardio data into an electrocardio archive library of a corresponding user.
To sum up, compare with prior art, the beneficial effects of the utility model are that:
the electrocardiosignal acquisition circuit of the utility model comprises an ECG acquisition module, an FM modulation module, an RC coupling circuit and an audio interface; the ECG acquisition module acquires an electrocardiosignal, modulates the electrocardiosignal to an audio carrier through the FM modulation module, couples the modulated electrocardiosignal to an MIC connecting end of the audio interface through the RC coupling circuit, outputs the modulated electrocardiosignal through the MIC connecting end of the audio interface, and provides a direct current power supply for the ECG acquisition module and the FM modulation module through the MIC connecting end of the audio interface. Therefore, the utility model discloses when can realize electrocardiosignal's transmission with MIC interface protocol standard, acquire the power through the MIC link, save the power supply part, the circuit is simple, and is small.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the electrocardiosignal acquisition circuit of the present invention
FIG. 2 is a schematic diagram of the circuit connection of the electrocardiosignal acquisition circuit of the present invention;
FIG. 3 is a schematic structural diagram of the front end module for collecting electrocardio signals according to the present invention;
FIG. 4 is a schematic structural view of the electrocardiograph monitoring device of the present invention;
fig. 5 is a schematic structural diagram of the electrocardiographic monitoring data management system of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
As shown in FIG. 1, the electrocardiosignal acquisition circuit of the present invention comprises an ECG acquisition module, an FM modulation module, an RC coupling circuit and an audio interface.
The ECG acquisition module is used for acquiring electrocardiosignals; the FM modulation module is used for modulating the electrocardiosignal to an audio carrier; the RC coupling circuit is used for coupling the modulated electrocardiosignal to an MIC connecting end of the audio interface; and the MIC connecting end of the audio interface is used for outputting the modulated electrocardiosignal and providing a direct current power supply for the ECG acquisition module and the FM modulation module.
Specifically, the FM modulation module modulates the processed electrocardiosignal to an audio carrier in an FM manner, where a certain frequency point at the high end of the frequency band of the input signal of the microphone is usually selected as the carrier, such as 18KHz in the range of 15-20KHz, in order to ensure signal bandwidth and interference resistance. Moreover, according to the protocol specification of the audio interface of the mobile terminal such as the smart phone, when receiving a signal through the MIC connection terminal of the audio interface, a dc voltage is first provided, and then an ac audio signal is received, so that the dc voltage can be used to provide a dc power supply for the ECG collection module and the FM modulation module.
As shown in fig. 2, in the electrocardiographic signal acquisition circuit of the present invention, the ECG acquisition module includes: the device comprises a pre-amplification module, a band-pass filtering module and an amplification module which are connected in sequence.
Specifically, because the electrocardiosignals of the human body are weak, the preamplifier module must have high impedance and high common-mode interference rejection ratio, and generally consists of an instrument amplifier, and the pass filter module filters out-of-band noise according to the characteristics of the electrocardiosignals; the amplifying module amplifies the electrocardiosignals to a proper level, the FM modulation module modulates the electrocardiosignals to an audio carrier in a frequency modulation FM mode, and the modulated electrocardiosignals are coupled to an MIC signal line of the audio interface through a capacitive coupling circuit.
Furthermore, the utility model discloses an among the electrocardiosignal acquisition circuit, the MIC link of audio interface is connected with voltage stabilizing module, and FM modulation module, preamplification module, band-pass filtering module and amplification module pass through voltage stabilizing module and acquire DC power supply moreover.
In implementation, the voltage stabilizing module is a low dropout regulator, and the FM modulation module, the pre-amplification module, the band-pass filtering module and the amplification module must have low power consumption, so the FM modulation module, the pre-amplification module, the band-pass filtering module and the amplification module all use integrated circuits.
In the electrocardiosignal acquisition circuit of the utility model, the RC coupling circuit comprises a resistor R2 and a capacitor C2; and the modulated electrocardiosignal is coupled to the MIC connecting end of the audio interface through the resistor R2 and the capacitor C2 in sequence.
The utility model discloses an electrocardiosignal acquisition circuit is because most adopt integrated circuit and less partly adopt resistance-capacitance and discrete component, so, the utility model discloses an electrocardiosignal acquisition circuit is simple high-efficient for whole circuit structure is simple, small in size.
As shown in fig. 3, the utility model also provides an electrocardio acquisition front end module, which comprises an audio plug 103, a lead wire 101 and an electrocardio signal acquisition circuit 102. Wherein the lead wire head 101 is connected with the input end of the ECG acquisition module; the audio plug 103 is connected with an audio interface of the electrocardiosignal acquisition circuit 102.
In this embodiment, the audio plug 103 serves as an audio connector, and the lead 101 is a single lead, but in practical applications, an audio socket may also be used as an audio connector, and the lead may be a multi-lead or other commonly used electrocardiographic detection lead.
Furthermore, in order to make things convenient for among the daily life the utility model discloses the use of front end module is gathered to the electrocardio, the utility model also provides a clothing with electrocardio collection function, it includes the clothing body, and sets up on the clothing body the utility model discloses a front end module is gathered to the electrocardio. Specifically, the clothes body can be a coat or a pair of trousers. As for the jacket, if the electrocardio acquisition front-end module adopts a single-lead wire head, the left hand (LA) and the right hand (RA) can be connected to measure the electrocardiogram I lead, and if the electrocardio acquisition front-end module adopts a multi-lead wire head, the electrocardiogram I lead can be measured in a multi-lead mode.
When the clothes are put into practice, the clothes body is provided with corresponding threading channels, so that the arrangement of the leading thread ends is convenient.
As shown in fig. 4, the utility model also provides an electrocardio monitoring facilities, it includes:
a mobile terminal 2 having an audio interface; and, the utility model discloses a front end module is gathered to electrocardio.
The two electrode plates are respectively attached to the left and right wrist parts of a human body, and the electrocardio acquisition front-end module is respectively connected with the two electrode plates through lead wire ends 101 thereof to acquire corresponding electrocardio signals;
the mobile terminal 2 is connected with the electrocardio acquisition front-end module through an audio interface and used for processing the electrocardio signals to obtain corresponding electrocardio data. Specifically, an audio plug 103 of the front end module for electrocardiograph acquisition is inserted into an audio socket of the mobile terminal 2, and the mobile terminal 2 provides a direct-current power supply for the electrocardiograph signal acquisition circuit 102 of the front end module for electrocardiograph acquisition.
The utility model discloses in, mobile terminal 2 still has receiving module, signal demodulation module, signal processing module, display module, above-mentioned functional module is the actual hardware that has of mobile terminal 2, need cooperate the software program simultaneously, obtain corresponding electrocardio data or show corresponding electrocardio data, these software programs all adopt current technological principle to compile with specific language and form, wherein, the language of adoption is relevant with mobile terminal's operating system platform, like Android or IOS.
As shown in fig. 5, the utility model also provides an electrocardio monitoring data management system, it includes:
a server 3;
and the electrocardio monitoring equipment used by each user, as shown in figure 4;
the server 3 is configured to receive the electrocardiographic data uploaded by each electrocardiographic monitoring device, and store the electrocardiographic data in an electrocardiographic archive of a corresponding user.
Specifically, the utility model discloses among the electrocardio monitoring data management system, server 3 and the 2 communication connection of mobile terminal that each user used, simultaneously, establish every user's electrocardio archives among the server 3, server 3 lives its electrocardio archives with the electrocardio data of user's 2 uploads, when being convenient for follow-up when the physical examination or hospitalization, the doctor visits server 3 through corresponding networking terminal to acquire the electrocardio data among the user's electrocardio archives.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An electrocardiosignal acquisition circuit comprises an ECG acquisition module, and is characterized by also comprising an FM modulation module, an RC coupling circuit and an audio interface; wherein the content of the first and second substances,
the ECG acquisition module is used for acquiring electrocardiosignals;
the FM modulation module is used for modulating the electrocardiosignal to an audio carrier;
the RC coupling circuit is used for coupling the modulated electrocardiosignal to an MIC connecting end of the audio interface;
and the MIC connecting end of the audio interface is used for outputting the modulated electrocardiosignal and providing a direct current power supply for the ECG acquisition module and the FM modulation module.
2. The cardiac signal acquisition circuit of claim 1, wherein the ECG acquisition module comprises: the device comprises a pre-amplification module, a band-pass filtering module and an amplification module which are connected in sequence.
3. The electrical signal acquisition circuit as claimed in claim 1, wherein a voltage regulator module is connected to the MIC connection terminal of the audio interface, and the ECG acquisition module and the FM modulation module receive dc power via the voltage regulator module.
4. The electrical cardiac signal acquisition circuit as recited in claim 3 wherein the voltage regulator module is a low dropout regulator.
5. The cardiac signal acquisition circuit of claim 1 wherein the RC coupling circuit comprises a resistor and a capacitor; and the modulated electrocardiosignal is coupled to the MIC connecting end of the audio interface sequentially through the resistor and the capacitor.
6. An electrocardio acquisition front-end module is characterized in that; comprises an audio connector, a lead wire head and the electrocardiosignal acquisition circuit as claimed in any one of claims 1 to 5; wherein the lead wire head is connected with the input end of the ECG acquisition module; the audio connector is connected with the audio interface.
7. The ecg collection front-end module of claim 6, wherein the lead is a single lead or a multi-lead; the audio connector is an audio socket or an audio plug.
8. The utility model provides a clothing with electrocardio acquisition function which characterized in that: the electrocardio acquisition front-end module comprises a clothes body and the electrocardio acquisition front-end module as claimed in claim 6 or 7, which is arranged on the clothes body.
9. An electrocardiographic monitoring device, comprising:
a mobile terminal having an audio interface;
and, an electrocardiographic acquisition front-end module according to claim 6 or 7;
the electrocardiosignal acquisition front-end module is connected with each electrode plate to acquire corresponding electrocardiosignals;
the mobile terminal is connected with the electrocardio-acquisition front-end module through an audio interface, and is used for receiving electrocardiosignals, processing the electrocardiosignals to obtain corresponding electrocardio data and providing a direct-current power supply for an electrocardio-signal acquisition circuit of the electrocardio-acquisition front-end module.
10. An electrocardiographic monitoring data management system, comprising:
a server;
and the electrocardiographic monitoring device of claim 9 for use by an individual user;
the server is used for receiving the electrocardio data uploaded by each electrocardio monitoring device and storing the electrocardio data into an electrocardio archive library of a corresponding user.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922489562.8U CN212307856U (en) | 2019-12-31 | 2019-12-31 | Electrocardiosignal acquisition circuit, module, equipment, system and clothing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922489562.8U CN212307856U (en) | 2019-12-31 | 2019-12-31 | Electrocardiosignal acquisition circuit, module, equipment, system and clothing |
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| CN212307856U true CN212307856U (en) | 2021-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110897636A (en) * | 2019-12-31 | 2020-03-24 | 成都飞云科技有限公司 | Electrocardiosignal acquisition circuit, module, equipment, system and clothing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110897636A (en) * | 2019-12-31 | 2020-03-24 | 成都飞云科技有限公司 | Electrocardiosignal acquisition circuit, module, equipment, system and clothing |
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