CN214632169U

CN214632169U - Standard electrocardiosignal acquisition module

Info

Publication number: CN214632169U
Application number: CN202022983535.9U
Authority: CN
Inventors: 周远毅; 德宫和之; 张晓东
Original assignee: Shanghai Optical Medical Electronic Instrument Co ltd
Current assignee: Shanghai Optical Medical Electronic Instrument Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-11-09
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a standard electrocardiosignal acquisition module, it includes electrocardiosignal acquisition circuit, analog-to-digital conversion circuit and connector, analog-to-digital conversion circuit respectively with electrocardiosignal acquisition circuit and connector electrical connection, wherein, the connector definition is FX22-60S-0.5SH standard connector. The utility model discloses technical effect lies in: by adopting the standard interface, the electrocardiosignal acquisition module can be connected with various external devices with corresponding interfaces, so that multiple functions are realized, and the electrocardiosignal acquisition module becomes a standard component to save resource waste of repeated development.

Description

Standard electrocardiosignal acquisition module

Technical Field

The utility model relates to an electrocardiosignal acquisition equipment belongs to the medical instrument field.

Background

With the improvement of modern living standard and the aggravation of aging of population, the probability of heart diseases of people is greatly increased. The electrocardio acquisition equipment is one of important equipment for monitoring heart data. The realization of current electrocardiosignal collection is mostly: the electrocardiogram signal acquisition circuit and other circuits (such as a system operation part circuit of the electrocardiogram machine) are generally integrated on the circuit board; or an external electrocardiosignal acquisition box which is connected with the host machine through various interfaces or modes.

However, the built-in circuit board of the electrocardiograph cannot be used alone and has a complex circuit, and the diversified functional requirements of the electrocardiosignal acquisition device cannot be met. The conventional external electrocardiosignal acquisition box has various interfaces, and a standard interface acquisition box is not adopted at present, so that multifunctional application cannot be realized.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects in the prior art, the present invention provides an electrocardiographic signal acquisition module with a standard interface, which can connect a host computer that acquires electrocardiographic signals according to the requirements of the standard interface.

In order to achieve the above object, the present invention provides a standard ecg signal collecting module, which comprises an ecg signal collecting circuit, an analog-to-digital conversion circuit and a connector, wherein the analog-to-digital conversion circuit is electrically connected to the ecg signal collecting circuit and the connector, and the connector is defined as FX22-60S-0.5SH standard connector.

Furthermore, the standard electrocardiosignal acquisition module further comprises a power supply circuit, an amplifier circuit, a polarization-resistant voltage circuit, a scaling circuit and a filter circuit, wherein the electrocardiosignal acquisition circuit, the amplifier circuit, the polarization-resistant voltage circuit, the scaling circuit, the filter circuit and the analog-to-digital conversion circuit are electrically connected with each other.

Furthermore, the standard electrocardiosignal acquisition module amplifies and filters electrophysiological signals acquired from the electrocardiosignal acquisition circuit, converts analog signals into digital signals, and then transmits the output digital electrocardiosignals to external equipment connected with the connector through the connector.

The utility model discloses technical effect lies in: by adopting the standard interface, the electrocardiosignal acquisition module can be connected with various external devices with corresponding interfaces, so that multiple functions are realized, and the electrocardiosignal acquisition module becomes a standard component to save resource waste of repeated development.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

fig. 1 is a schematic diagram of an internal circuit of a standard ecg signal acquisition module according to an embodiment of the present invention.

Fig. 2 is a schematic diagram illustrating the PI N sequence definition of the connector of the standard ecg signal acquisition module according to an embodiment of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings for clarity and understanding of the technical contents. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.

An embodiment of the utility model provides an electrocardiosignal acquisition module of standard interface, it can connect the host computer that has carried on the needs acquisition electrocardiosignal of standard interface wantonly.

Fig. 1 is a schematic diagram of an internal circuit of a standard ecg signal acquisition module according to an embodiment of the present invention. Fig. 2 is a schematic diagram illustrating the PI N sequence definition of the connector of the standard ecg signal acquisition module according to an embodiment of the present invention.

As shown in fig. 1 and fig. 2, the standard electrocardiographic signal acquisition module of the present embodiment includes an electrocardiographic signal acquisition circuit 1, an analog-to-digital conversion circuit 2, and a connector 3, where the analog-to-digital conversion circuit 2 is electrically connected to the electrocardiographic signal acquisition circuit 1 and the connector 3, respectively, and the connector 3 is defined as an FX22-60S-0.5SH standard connector. The standard electrocardiosignal acquisition module also comprises a power supply circuit 4, an amplifier circuit 5, a polarization-resistant voltage circuit 6, a scaling circuit 7 and a filter circuit 8. The acquisition module adopts a small packaging device to reduce the volume as much as possible. The electrocardiosignal acquisition circuit 1, the amplifier circuit 5, the polarization voltage resistant circuit 6, the scaling circuit 7, the filter circuit 8 and the analog-to-digital conversion circuit 2 are electrically connected with each other. The standard connector 3 is electrically connected only to the analog-to-digital conversion circuit 2.

The electrocardiosignal acquisition circuit 1 is used for transmitting human body surface electrophysiological signals acquired from the lead wires. The amplifier circuit 5 is used for amplifying the weak electrical signals collected by the front end. The polarization-tolerant voltage circuit 6 is used to suppress the electromotive force caused by the polarization of the electrodes. The scaling circuit 7 is used for generating a 1mV standard electrocardiosignal. The filter circuit 8 is used for filtering useless signals and improving the signal-to-noise ratio of the signals. The analog-to-digital conversion circuit 2 is used for converting the amplified and filtered electrocardio analog signal (electromotive force) into a digital signal. In the acquisition module, an electrocardiographic signal is input from an electrocardiographic signal acquisition circuit 1 and output from an analog-to-digital conversion circuit 2.

The acquisition module transmits data to the outside in USB data format, and connector 3 uses the 60p i n industrial interface to define FX22-60S-0.5SH for configuration of the interface sequence. The object connected to the acquisition module must have an FX22-60P-0.5SH interface. The acquisition module performs data transmission with the object through D +/-of the USB. A large number of pins of the interface are used for ESD protection.

The following illustrates the operation of the standard ecg signal acquisition module according to this embodiment. An acquisition circuit 1 of the acquisition module acquires electrophysiological signals from the body surface of a human body through a connected lead wire, an amplifier circuit 5 amplifies the electrophysiological signals, and a filter circuit 8 filters the amplified signals and then transmits the filtered signals to an analog-to-digital conversion circuit 2 for conversion from analog signals to digital signals. The polarization voltage resisting circuit 6 and the scaling circuit 7 eliminate the electrode polarization electromotive force in the process and provide a standard 1mV electrocardio reference signal. The digital signal output from the analog-to-digital conversion circuit 2 is transmitted to an external device connected thereto through the connector 3. No matter what external equipment is connected with the acquisition module, the acquisition module outputs digital electrocardiosignals through the connector 3.

The electrocardiosignal acquisition module of the embodiment can be connected with various external devices with corresponding interfaces, so that multiple functions are realized. For example, it can be connected with a data transmitter with a corresponding interface to realize the acquisition and transmission of electrocardiosignals; the electrocardiosignal acquisition and storage device can be connected with a data storage device with a corresponding interface to realize the acquisition and storage of electrocardiosignals; can be connected with computer-like equipment with corresponding interfaces to realize the function of an electrocardiograph; the device can be connected with an electrocardiograph with a corresponding interface, so that the multi-input of the electrocardiograph is realized, and the examination efficiency is improved; can be connected with a monitor or other medical instruments with corresponding interfaces to realize the access of the electrocardio module. Therefore, the electrocardiosignal acquisition module becomes a standard component, so that resource waste caused by repeated development can be saved.

An application scenario of the standard electrocardiographic signal acquisition module according to the present embodiment is described below by way of example.

The application scene one: the digital electrocardiosignals are transmitted to an external device with a data transmitting function through the connector 3, the external device is provided with a circuit with more than 4.1 Bluetooth or a Wi F i (802.11a/b/g/n/ac/ax) circuit, and the digital electrocardiosignals are wirelessly transmitted to a server end through the Bluetooth or the WiFi.

Application scenario two: the digital electrocardiographic signal is transmitted to an external device having a function of a storage medium via the connector 3, and the external device has a storage medium such as NandF ash, ROM, TF card, SD card, or the like. The digital electrocardiosignals are stored in the medium.

Application scenario three: the digital electrocardiosignals are transmitted to a computer provided with analysis software through a cable by the connector 3, and the computer analyzes the electrocardiosignals to realize the function of a PC electrocardiogram machine.

And C, referencing a scene four: the electrocardiograph or the monitor is provided with the connector, so that the electrocardiograph and the monitor can directly realize the expected application without internally arranging an electrocardio acquisition module and directly connecting the electrocardio acquisition module.

Furthermore, the internal circuit of the collection module of the present invention can be designed in various ways, and is not limited to the circuit in this embodiment. For example, one or more of the amplifier circuit 5, the polarization-tolerant voltage circuit 6, the scaling circuit 7, and the filter circuit 8 may be omitted, and other circuits may be added.

The utility model discloses the technological effect lies in, provides an electrocardiosignal acquisition module of standard interface, through adopting the standard interface, its host computer that needs that can connect and carry on the standard interface wantonly acquire electrocardiosignal realizes multiple functions to become the wasting of resources of standard part in order to save repeated development.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A standard electrocardiosignal acquisition module is characterized by comprising an electrocardiosignal acquisition circuit, an analog-to-digital conversion circuit and a connector, wherein the analog-to-digital conversion circuit is electrically connected with the electrocardiosignal acquisition circuit and the connector respectively, and the connector is defined as an FX22-60S-0.5SH standard connector.

2. The standard ecg signal acquisition module of claim 1, further comprising a power supply circuit, an amplifier circuit, a polarization-tolerant voltage circuit, a scaling circuit, and a filter circuit, wherein the ecg signal acquisition circuit, the amplifier circuit, the polarization-tolerant voltage circuit, the scaling circuit, the filter circuit, and the adc circuit are electrically connected to each other.

3. The standard ecg signal acquisition module of claim 2, wherein the electrophysiological signals obtained from the ecg signal acquisition circuit are amplified, filtered, analog-to-digital converted, and then the output digital ecg signals are transmitted through the connector to an external device connected thereto.