Electrocardiogram detection device and system

Abstract

The application discloses an electrocardio detection device and system, relates to the technical field of detection equipment, and can reduce the volume of the electrocardio detection device. The device comprises a circuit board and an electrode provided with a detection surface, a sensing chip and an interface. The detection surface is used for sensing the electric charge of a user; the sensing chip is used for converting the electric charge into a voltage signal and transmitting the voltage signal to the circuit board through the interface; and the circuit board is used for generating an electrocardio waveform according to the voltage signal and supplying power to the electrode through the interface. It can be seen that the electrocardio detection device provided by the application can obtain the electrocardio waveform of a user by only sensing the electric charge of the user through a detection surface of a single electrode and then performing subsequent processing on the sensed electric charge when the electrocardio detection is performed. By arranging only a single electrode, the volume of the electrocardio detection device is reduced, and the use comfort and convenience of the electrocardio detection device are improved.

Description

Technical Field

[0001] This application relates to the field of testing equipment technology, and in particular to electrocardiogram (ECG) testing devices and systems. Background Technology

[0002] Cardiovascular and cerebrovascular diseases are common illnesses that seriously threaten human health, especially among middle-aged and elderly people over 50 years of age, characterized by high morbidity, high disability rates, and high mortality rates. Electrocardiogram (ECG) monitoring, as a diagnostic and monitoring method for cardiovascular and cerebrovascular diseases, plays a crucial role in their diagnosis and treatment. In daily life, users primarily use ECG monitoring devices for ECG testing.

[0003] However, the large size of existing ECG monitoring devices results in poor user comfort when using them. Summary of the Invention

[0004] This application provides an electrocardiogram (ECG) detection device and system, which can reduce the size of the ECG detection device. To achieve the above objective, this application adopts the following technical solution:

[0005] In a first aspect, this application provides an electrocardiogram (ECG) detection device, comprising: electrodes and a circuit board. The electrodes are provided with a detection surface, a sensing chip, and an interface. The detection surface is used to sense the user's electrical charge; the sensing chip is used to convert the charge into a voltage signal and transmit the voltage signal to the circuit board through the interface; the circuit board is used to generate an ECG waveform based on the voltage signal and to supply power to the electrodes through the interface.

[0006] As can be seen, the ECG detection device provided in this application only needs to sense the user's charge through a single electrode's detection surface when performing ECG detection. The user's ECG waveform can then be obtained through subsequent processing of the sensed charge. By configuring only a single electrode, the size of the ECG detection device is reduced, improving its user comfort and convenience.

[0007] Optionally, the detection surface can be a dry electrode with tin plating or conductive silicone.

[0008] Optionally, the detection surface can be circular, rectangular, or arc-shaped.

[0009] For example, the detection surface can be a circular dry electrode with a diameter of 2 cm and a tin-plated surface.

[0010] In one possible implementation, the detection surface may include a first detection surface and a second detection surface. The first detection surface is used to sense a first charge of the user, and the second detection surface is used to sense a second charge of the user.

[0011] Understandably, detecting the user's charge through two separate detection surfaces during electrocardiogram (ECG) testing can improve the quality of the obtained ECG waveform. For example, by converting the human body charge sensed through the two detection surfaces of the electrodes into two voltage signals, and using the difference between the two to suppress interference, it is possible to detect ECG signals at a single location on the body, rather than being limited to ECG detection at two locations.

[0012] Optionally, the first detection surface and the second detection surface are identical in at least one of the following: material, area, or shape.

[0013] For example, both the first and second detection surfaces are circular dry electrodes with a diameter of 2 cm and tin-plated surfaces.

[0014] In one possible implementation, the electrode is further provided with a detection point, which is used to sense the first charge together with the first detection surface or to sense the second charge together with the second detection surface.

[0015] Understandably, when performing electrocardiogram (ECG) testing, detecting the user's charge using both the detection point and the detection surface can improve the quality of the ECG waveform obtained.

[0016] Optionally, the detection point can be a dry electrode with a tin-plated surface.

[0017] Optionally, the detection point is circular.

[0018] For example, the probe point can be a dry electrode with a diameter of 3 mm and a tin-plated surface.

[0019] In one possible implementation, the first detection surface is disposed on the front side of the electrode, the second detection surface and the sensing chip are disposed on the back side of the electrode, and the electrode is further provided with a first via, through which the first detection surface and the sensing chip are connected.

[0020] In one possible implementation, the detection point is disposed on the front side of the electrode, and the electrode is further provided with a second via, through which the detection point is connected to the second detection surface.

[0021] In one possible implementation, the interface includes a first set of interfaces and a second set of interfaces. The differential analog in-phase input terminals of the sensor chip and the circuit board are connected through the first set of interfaces, and the reference ground of the sensor chip and the circuit board is connected through the second set of interfaces. Specifically, the sensor chip is used to: convert the first charge into a first voltage signal and transmit the first voltage signal to the circuit board through the first set of interfaces; convert the second charge into a second voltage signal and transmit the second voltage signal to the circuit board through the first set of interfaces.

[0022] For example, the sensor chip can convert a first charge into a first voltage signal A1 and a second charge into a second voltage signal A2, and then transmit the first voltage signal A1 and the second voltage signal A2 to the differential analog in-phase input terminal of the circuit board through a first set of interfaces.

[0023] In one possible implementation, the interface may further include a third set of interfaces, and the circuit board is specifically used for: generating an electrocardiogram waveform based on the first voltage signal and the second voltage signal, and supplying power to the electrodes through the third set of interfaces.

[0024] In one possible implementation, the electrode is further provided with a resistor, and the second detection surface and the sensing chip are connected through the resistor.

[0025] Optionally, the resistor can be a 0R ohm chip resistor.

[0026] In one possible implementation, the circuit board includes an analog-to-digital conversion module, a processing module, and a power supply module. The analog-to-digital conversion module converts the voltage signal into a digital signal; the processing module generates an electrocardiogram waveform based on the digital signal; and the power supply module supplies power to the electrodes through the interface.

[0027] Optionally, the processing module can be a microcontroller unit (MCU).

[0028] For example, the analog-to-digital conversion module can be an ADS1298 with a conversion bit depth of 24 bits, an internal gain of 12, and a sampling rate of 500 samples per second (SPS); the processing module can be an MSP430 microcontroller.

[0029] In one possible implementation, the circuit board is further provided with a display module for displaying the electrocardiogram waveform.

[0030] In one possible implementation, the processing module is further configured to package the digital signal, the circuit board is further provided with a communication module, and the ECG detection device further includes a host computer. The communication module is used to send the packaged digital signal to the host computer; the host computer is used to generate an ECG waveform based on the digital signal.

[0031] In one possible implementation, the host computer includes a communication module and a processing module. The communication module is used to receive the digital signal; the processing module is used to generate an electrocardiogram waveform based on the digital signal.

[0032] In one possible implementation, the host computer further includes a filtering module, which is used to filter the digital signal. Specifically, the filtering module is used to generate an electrocardiogram waveform based on the filtered digital signal.

[0033] Optionally, the filtering module may include at least one of a notch filter, a low-pass filter, a band-pass filter, or a high-pass filter.

[0034] For example, the filtering module may include a 50 Hz notch filter, a 100 Hz notch filter, a 0.1 Hz high-pass filter, and a 100 Hz low-pass filter.

[0035] In one possible implementation, the host computer further includes a display module for displaying the electrocardiogram waveform.

[0036] In one possible implementation, the electrode is further provided with a fixing module for fixing the electrode to the user's body surface.

[0037] Optionally, the fixing module is a bandage, a shell, or a structure.

[0038] For example, the electrodes and circuit board can be fixed to the monopolar limb lead V2 or V3 of the user being tested using medical tape.

[0039] Secondly, this application also provides an electrocardiogram (ECG) detection system, which includes a host computer and the ECG detection device described in the first aspect.

[0040] Thirdly, this application also provides an electronic device, which includes the above-mentioned electrocardiogram (ECG) detection device or the above-mentioned ECG detection system.

[0041] Fourthly, this application also provides an electrocardiogram (ECG) detection method applied to the ECG detection device described in the first aspect. The ECG detection method includes: sensing a user's electrical charge; converting the charge into a voltage signal; and generating an ECG waveform based on the voltage signal.

[0042] The beneficial effects of the ECG detection system, electronic device, and ECG sensing method provided in this embodiment can be referred to the beneficial effects of the ECG detection device provided above, and will not be repeated here. Attached Figure Description

[0043] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0044] Figure 1 This is a schematic diagram of the structure of an electrocardiogram (ECG) detection device provided in an embodiment of this application;

[0045] Figure 2 This is a schematic diagram of the structure of an electrode provided in an embodiment of this application;

[0046] Figure 3 This is a schematic diagram of another electrode structure provided in an embodiment of this application;

[0047] Figure 4 This is a schematic diagram of the structure of another electrode provided in an embodiment of this application;

[0048] Figure 5 A schematic diagram of a circuit board structure provided in an embodiment of this application;

[0049] Figure 6 A schematic diagram illustrating the connection relationship between an electrode and a circuit board, provided as an embodiment of this application;

[0050] Figure 7 This is a schematic diagram of the structure of a host computer provided in an embodiment of this application;

[0051] Figure 8 A schematic diagram illustrating a fixing method for an electrocardiogram (ECG) detection device provided in an embodiment of this application;

[0052] Figure 9 This is a schematic diagram of the structure of an electrocardiogram (ECG) detection system provided in an embodiment of this application;

[0053] Figure 10 An electrocardiogram waveform is provided as an embodiment of this application;

[0054] Figure 11 Another electrocardiogram waveform provided in this application embodiment;

[0055] Figure 12 This application provides yet another electrocardiogram waveform.

[0056] Figure 13 This application provides yet another electrocardiogram waveform.

[0057] Figure 14 An electrocardiogram (ECG) detection method is provided in the embodiments of this application. Detailed Implementation

[0058] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0059] In this article, the term "and / or" is merely a description of the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone.

[0060] The terms "first" and "second," etc., used in the specification and drawings of this application are used to distinguish different objects or to distinguish different treatments of the same object, rather than to describe a specific order of objects.

[0061] Furthermore, the terms “comprising” and “having”, and any variations thereof, used in the description of this application are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not limited to the steps or units listed, but may optionally include other steps or units not listed, or may optionally include other steps or units inherent to such processes, methods, products, or apparatus.

[0062] It should be noted that in the description of the embodiments of this application, the words "exemplarily" or "for example" are used to indicate examples, illustrations, or explanations. Any embodiment or design scheme described as "exemplarily" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design schemes. Specifically, the use of the words "exemplarily" or "for example" is intended to present the relevant concepts in a specific manner.

[0063] In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0064] Electrocardiogram (ECG) monitoring, as a diagnostic and monitoring method for cardiovascular and cerebrovascular diseases, plays a vital role in the diagnosis and treatment of these diseases. In daily life, users primarily use ECG monitoring devices for testing. However, existing ECG monitoring devices are relatively complex to operate, and users are prone to operational errors that can lead to inaccurate results.

[0065] Therefore, this application provides an electrocardiogram (ECG) detection device. Figure 1 This is a schematic diagram of the structure of an electrocardiogram (ECG) detection device provided in an embodiment of this application. Figure 1 The electrocardiogram (ECG) detection device shown includes electrodes 100 and a circuit board 200.

[0066] like Figure 2 As shown, electrode 100 is provided with a detection surface 101, a sensing chip 102 and an interface 103.

[0067] The detection surface 101 is used to sense the user's charge. The detection surface 101 can be a dry electrode with a tin-plated surface or conductive silicone. The detection surface 101 can be circular, rectangular, or arc-shaped.

[0068] For example, the detection surface 101 can be a circular dry electrode with a diameter of 2 cm and a tin-plated surface.

[0069] The sensor chip 102 is used to convert charge into voltage signals and to transmit voltage signals to the circuit board through the interface 103.

[0070] The circuit board 200 is used to generate electrocardiogram waveforms based on voltage signals and to supply power to the electrodes via an interface.

[0071] It should be noted that the detection surface 101 and the sensing chip 102 can be disposed on the same side of the electrode 100. For example, both the detection surface 101 and the sensing chip 102 can be disposed on the opposite side of the electrode 100. Alternatively, the detection surface 101 and the sensing chip 102 can be disposed on different sides of the electrode 100. For example, the detection surface 101 can be disposed on the front side of the electrode 100, and the sensing chip 102 can be disposed on the opposite side of the electrode 100. This application does not limit this specific arrangement.

[0072] As can be seen, the ECG detection device provided in this application only needs to sense the user's charge through a single electrode's detection surface when performing ECG detection. The user's ECG waveform can then be obtained through subsequent processing of the sensed charge. By configuring only a single electrode, the size of the ECG detection device is reduced, improving its user comfort and convenience.

[0073] like Figure 3 As shown, in another possible implementation, the electrode 100 may be provided with a first detection surface 1011, a second detection surface 1012, a sensor chip 102, a first set of interfaces 1031, a second set of interfaces 1032 and a third set of interfaces 1033.

[0074] The first detection surface 1011 is used to sense the user's first charge. The first detection surface 1011 is disposed on the front side of the electrode 100, and the first detection surface and the sensing chip 102 (the pins of the sensing chip 102) are connected through the first via 104.

[0075] The first detection surface 1011 can be a dry electrode with tin plating or conductive silicone. The first detection surface 1011 can be circular, rectangular or arc-shaped.

[0076] The second detection surface 1012 is used to sense the user's second charge. The second detection surface 1012 is disposed on the opposite side of the electrode 100, and the second detection surface 1012 and the sensing chip 102 (the pins of the sensing chip 102) are connected through a resistor 105. For example, the second detection surface 1012 and the sensing chip 102 can be connected through an OR surface mount resistor 105.

[0077] The second detection surface 1012 can be a dry electrode with tin plating or conductive silicone. The second detection surface 1012 can be circular, rectangular or arc-shaped.

[0078] Optionally, the first detection surface 1011 may be the same as at least one of the material, area, or shape of the second detection surface 1012. For example, the first detection surface 1011 may be exactly the same as the material, area, and shape of the second detection surface 1012.

[0079] For example, the first detection surface 1011 and the second detection surface 1012 can both be circular with a diameter of 2 cm and tin-plated dry electrodes.

[0080] The sensor chip 102 is disposed on the reverse side of the electrode 100. The sensor chip 102 and the circuit board 200 (the differential analog in-phase input terminal of the circuit board 200) are connected through the first set of interfaces 1031. The sensor chip 102 and the circuit board 200 (the reference ground of the circuit board 200) are connected through the second set of interfaces 1032. The sensor chip 102 and the circuit board 200 (the power supply terminal of the circuit board 200) are connected through the third set of interfaces 1032.

[0081] The sensor chip 102 is used to convert a first charge into a first voltage signal (A1), convert a second charge into a second voltage signal (A2), and transmit the first voltage signal (A1) and the second voltage signal (A2) to the circuit board 200 through the first set of interfaces 1031.

[0082] Optionally, the first set of interfaces 1031, the second set of interfaces 1032 and the third set of interfaces 1033 can be soldered with pin headers (90-degree bent pin headers), and the circuit board 200 can be soldered with female headers at the corresponding positions where it connects to the electrode 100. The electrode 100 and the circuit board 200 can be securely connected through the pin headers and female headers.

[0083] Optionally, the substrate 106 of the electrode 100 can be an epoxy board (FR-4) or rolled annealed (RA) & electrolytic (ED) copper.

[0084] Understandably, detecting the user's charge using two separate detection surfaces during electrocardiogram (ECG) testing can improve the accuracy of the test.

[0085] It should be noted that the user can disconnect the connection between the second detection surface 1012 on the reverse side of the electrode 100 and the sensing chip 102 by removing the resistor 105 (OR chip resistor) on the reverse side of the electrode 100, so that the electrode 100 can sense the user's charge only through the first detection surface 1011.

[0086] Reference Figure 3 ,like Figure 4 As shown, in another possible implementation, electrode 100 may also be provided with a detection point 107.

[0087] The detection point 107 is used to sense the first charge together with the first detection surface 1011 or to sense the second charge together with the second detection surface 1012.

[0088] The detection point 107 can be a dry electrode with a tin-plated surface. The detection point 107 can be circular.

[0089] For example, a detection point 107 can be set at a position 1 mm away from the first detection surface 1011 of the electrode 100. The detection point 107 is a dry electrode with tin-plated surface and is circular in shape with a diameter of 3 mm. The detection point 107 is connected to the second detection surface 1012 of the electrode 100 through the second via 108. The electrode 100 senses the user's first charge through the first detection surface 1011 and senses the user's second charge through the second detection surface 1012 and the detection point 107.

[0090] In one possible implementation, the electrode 100 may also be provided with a fixing module for fixing the electrode 100 to the user's body surface.

[0091] Alternatively, the fixing module can be a bandage, a shell, or a structure.

[0092] like Figure 5 As shown, in one possible implementation, the circuit board 200 may be provided with an analog-to-digital conversion module 201, a processing module 202, and a power supply module 203.

[0093] The analog-to-digital converter module 201 is used to convert voltage signals into digital signals. For example, the analog-to-digital converter module 201 can convert a first voltage signal A1 into a first digital signal D1 and a second voltage signal into a second digital signal D2.

[0094] This application does not impose any restrictions on the specific type of the analog-to-digital conversion module 201. For example, the analog-to-digital conversion module can be an ADS1298 with a conversion bit depth of 24 bits, an internal gain of 12, and a sampling rate of 500 SPS.

[0095] The processing module 202 is used to generate an electrocardiogram waveform based on the aforementioned digital signals. For example, the processing module 202 can perform subsequent processing (such as filtering) on ​​the first digital signal D1 to obtain signal P1, perform subsequent processing on the second digital signal D2 to obtain signal P2, and perform differential processing on signals P1 and P2 to obtain the electrocardiogram waveform.

[0096] This application does not impose any restrictions on the specific type of the processing module 202. For example, the processing module 202 can be a MUC, a field programmable gate array (FPGA), an application specific integrated circuit (ASIC), a system on chip (SoC), a central processor (CPU), a network processor (NP), a digital signal processor (DSP), or a programmable logic device (PLD).

[0097] For example, the processing module 202 can be an MSP430 microcontroller.

[0098] The power module 203 is used to supply power to the electrode 100 through the interface 103. For example, the power module 203 can supply power to the electrode 100 (sensor chip 102) through the third set of interfaces 1032.

[0099] like Figure 6 As shown, in one possible implementation, the analog-to-digital converter module 201 may include differential analog non-inverting input terminals (IN1P and IN2P) and differential analog inverting input terminals (IN1N and IN2N), wherein the differential analog inverting input terminals (IN1N and IN2N) are connected to the reference ground of the circuit board 200.

[0100] The sensor chip 102 can be connected to the differential analog in-phase input terminal through the first interface 1031 to transmit voltage signals to the analog-to-digital converter module 201, connected to the reference ground of the circuit board 200 through the second interface 1032, and connected to the power module 203 of the circuit board 200 through the third interface 1033.

[0101] For example, the sensor chip 102 can transmit a first voltage signal (A1) to the analog-to-digital converter module 201 through the differential analog non-inverting input terminal IN1P, and a second voltage signal (A2) to the analog-to-digital converter module 201 through the differential analog non-inverting input terminal IN2P.

[0102] Optionally, the circuit board 200 may also be provided with a display module 204, which is used to display electrocardiogram waveforms.

[0103] In one possible implementation, the processing module 202 is further configured to package the aforementioned digital signals (first digital signal D1 and second digital signal D2). The ECG detection device may also include a host computer 300, and the circuit board 200 may also be equipped with a communication module 205.

[0104] The communication module 205 can communicate with other devices via a communication network. For example, it can send packaged digital signals to the host computer 300 via the communication network.

[0105] The aforementioned communication networks can be Ethernet, radio access network (RAN), wireless local area networks (WLAN), Bluetooth (BT), global navigation satellite system (GNSS), frequency modulation (FM), near field communication (NFC), infrared (IR), etc.

[0106] This application does not impose any restrictions on the specific type of the communication module 205. For example, the communication module 205 can be a Bluetooth module.

[0107] The host computer 300 is used to generate electrocardiogram waveforms based on the packaged digital signals.

[0108] This application does not impose any restrictions on the specific type of the host computer 300. For example, the host computer 300 can be a mobile phone, tablet computer, in-vehicle equipment, laptop computer, ultra-mobile personal computer (UMPC), netbook, personal digital assistant (PDA), or other devices.

[0109] like Figure 7 As shown, in one possible implementation, the host computer 300 may include a communication module 301 and a processing module 302.

[0110] The communication module 301 is used to receive the digital signals after they have been packaged and processed.

[0111] This application does not impose any restrictions on the specific type of the communication module 301. For example, the communication module 301 can be a serial communication module.

[0112] Optionally, the communication module 301 can also be used to locate available communication interfaces (such as serial ports), control the connection and disconnection of the communication interfaces, and send commands or data to the circuit board 200. For example, the communication module 301 can send a start detection command to the circuit board 200 to instruct the circuit board 200 to start performing ECG detection on the user. As another example, the communication module 301 can send a stop detection command to the circuit board 200 to instruct the circuit board 200 to stop performing ECG detection on the user.

[0113] The processing module 302 is used to generate electrocardiogram waveforms based on digital signals.

[0114] For example, the processing module 302 can first read the packaged digital signal data, then identify the parsing flags to perform corresponding amplitude conversion and save the original data, and perform subsequent processing on the original data (such as notch filtering, low-pass filtering, high-pass filtering, differential processing, etc.) to generate an electrocardiogram waveform.

[0115] In one possible implementation, the host computer 300 further includes a filtering module 303, which is used to filter the packaged digital signal data so that the processing module 302 can generate an electrocardiogram waveform based on the filtered digital signal.

[0116] Optionally, the filtering module 303 may include at least one of a notch filter, a low-pass filter, a band-pass filter, or a high-pass filter. For example, the filtering module may include a 50Hz notch filter, a 100Hz notch filter, a 0.1Hz high-pass filter, and a 100Hz low-pass filter.

[0117] In one possible implementation, the host computer 300 may further include a display module 304. The display module 304 is used to display the aforementioned electrocardiogram waveform.

[0118] This application does not impose any restrictions on the fixing method of the electrocardiogram detection device, electrode 100 and circuit board 200.

[0119] For example, such as Figure 8 As shown, the ECG monitoring device can be fixed to the unipolar limb lead V2 or V3 of the user being tested using medical tape. A knitted elastic bandage can be used as an auxiliary tool to secure the ECG monitoring device.

[0120] This application also provides an electrocardiogram (ECG) detection system. For example... Figure 9 As shown, the electrocardiogram (ECG) detection system includes an ECG detection device and a host computer. The ECG detection device includes electrodes and a circuit board.

[0121] Figure 10 An electrocardiogram (ECG) waveform is provided as an embodiment of this application. This ECG waveform is obtained through... Figure 3 The first detection surface 1011 and the second detection surface 1012 in the electrode 100 shown respectively sense the charge of the user being measured to obtain a first charge and a second charge. The sensing chip 102 in the electrode 100 converts the first charge into a first voltage signal A1 and the second charge into a second voltage signal A2. The first voltage signal A1 and the second voltage signal A2 are transmitted to the first set of interfaces 1301. Figure 5 In the analog-to-digital conversion module 201 of the circuit board 200 shown, the first voltage signal A1 is converted into a first digital signal D1, and the second voltage signal is converted into a second digital signal D2. The processing module 202 of the circuit board 200 packages the first digital signal D1 and the second digital signal D2 and transmits them to the host computer via the communication module 205. The host computer uses mathematical software (MATLAB) to perform 50 Hz notch filtering, 100 Hz notch filtering, 0.1 Hz high-pass filtering, and 100 Hz low-pass filtering. CH1 is signal P1 obtained by further processing (analog-to-digital conversion, packaging, filtering, etc.) the charge sensed by the first detection surface 1011, and CH2 is signal P2 obtained by further processing the charge sensed by the second detection surface 1012. CH1-CH2 is the ECG waveform obtained by differentiating P1 and P2. Figure 10 The R wave is clearly visible.

[0122] Figure 11 Another electrocardiogram (ECG) waveform provided in this application embodiment is obtained solely through... Figure 3 The first detection surface 1011 in the electrode 100 shown senses the charge of the user being measured to obtain a first charge. The sensing chip 102 in the electrode 100 converts the first charge into a first voltage signal A1, which is transmitted to the first interface 1301. Figure 5 In the analog-to-digital conversion module 201 of the circuit board 200 shown, the first voltage signal A1 is converted into a first digital signal D1. The processing module 202 of the circuit board 200 packages and processes the first digital signal D1 and transmits it to the host computer via the communication module 205. The host computer uses MATLAB to perform 50 Hz notch filtering, 100 Hz notch filtering, 0.1 Hz high-pass filtering, and 100 Hz low-pass filtering to obtain the signal. CH1 is the signal P1 obtained by further processing the charge sensed by the first detection surface 1011.

[0123] Reference Figure 10 and Figure 11 It can be seen that, although Figure 11 A clear R wave is visible, but by comparison... Figure 10 and Figure 11 It can be seen that the quality of the ECG waveform obtained by using the first detection surface 1011 and the second detection surface 1012 together for ECG detection is better than that obtained by using only the first detection surface 1011 for ECG detection. That is, during ECG detection, detecting the user's charge through two detection surfaces can achieve interference suppression, thereby improving the quality of the ECG waveform obtained.

[0124] Figure 12 This application provides another type of electrocardiogram (ECG) waveform, which is obtained through... Figure 4 The electrode 100 shown has a first detection surface 1011 that senses user charge to obtain a first charge, and a second detection surface 1012 and a detection point 107 that together sense user charge to obtain a second charge. The sensor chip 102 converts the first charge into a first voltage signal A1 and the second charge into a second voltage signal A2, and transmits the first voltage signal A1 and the second voltage signal A2 through the first interface 1301 to... Figure 5 The circuit board 200 shown has an analog-to-digital conversion module 201. The module converts the first voltage signal A1 into a first digital signal D1 and the second voltage signal into a second digital signal D2. The processing module 202 of the circuit board 200 packages the first digital signal D1 and the second digital signal D2, then transmits them to the host computer via the communication module 205. The host computer uses MATLAB to perform 50 Hz notch filtering, 100 Hz notch filtering, 0.1 Hz high-pass filtering, and 100 Hz low-pass filtering to obtain the signal. CH1 is signal P1 obtained by further processing the charge sensed by the first detection surface 1011, and CH2 is signal P2 obtained by further processing the charge sensed by the second detection surface 1012 and detection point 107. CH1-CH2 is the ECG waveform obtained by differentially analyzing P1 and P2. Figure 12 The R and T waves are clearly visible.

[0125] Figure 13 This application provides another electrocardiogram (ECG) waveform, which is obtained by sensing the user's charge through the second detection surface 1012 and the detection point 107 while the user rotates their body at a constant speed. The sensor chip 102 converts the first charge into a first voltage signal A1 and the second charge into a second voltage signal A2, and transmits the first voltage signal A1 and the second voltage signal A2 through the first interface 1301 to... Figure 5The circuit board 200 shown contains an analog-to-digital conversion module 201. The module 201 converts the first voltage signal A1 into a first digital signal D1 and the second voltage signal into a second digital signal D2. The processing module 202 of the circuit board 200 packages the first digital signal D1 and the second digital signal D2, then transmits them to the host computer via the communication module 205. The host computer uses MATLAB to perform 50 Hz notch filtering, 100 Hz notch filtering, 0.1 Hz high-pass filtering, and 100 Hz low-pass filtering on the signal. CH1 is signal P1 obtained by further processing the charge sensed by the first detection surface 1011, and CH2 is signal P2 obtained by further processing the charge sensed by the second detection surface 1012 and the detection point 107. CH1-CH2 is the electrocardiogram waveform obtained by differentiating P1 and P2.

[0126] pass Figure 13 It is evident that the signals displayed by CH1 and CH2 are affected by motion interference, exhibiting significant fluctuations. However, the baseline of the ECG waveforms after differential analysis between the two is stable, and clear R and T waves are visible. Therefore, it can be concluded that the embodiments of this application are included. Figure 4 The electrocardiogram detection device with electrode 100 shown has a strong ability to remove wearable electrocardiogram motion interference.

[0127] This application also provides an electronic device, which includes the above-described electrocardiogram (ECG) detection device or the above-described ECG detection system.

[0128] This application also provides an ECG detection method applicable to the aforementioned ECG detection device, ECG detection system, and electronic device. The method is described below using an ECG detection device as an example. Figure 14 The method shown includes:

[0129] S1401, ECG detection device senses user charge.

[0130] In one possible implementation, the ECG detection device can obtain a first charge by sensing the user's charge through the first detection surface 1011.

[0131] In another possible implementation, the ECG detection device can obtain a second charge by sensing the user's charge through the second detection surface 1012.

[0132] In another possible implementation, the ECG detection device can obtain a first charge by sensing the user charge through the first detection surface 1011 and obtain a second charge by sensing the user charge through the second detection surface 1012.

[0133] In another possible implementation, the ECG detection device can obtain a first charge by sensing the user charge through the first detection surface 1011 and obtain a second charge by sensing the user charge through the second detection surface 1012 and the detection point 107.

[0134] S1402, The ECG detection device converts the user's charge into a voltage signal.

[0135] In one possible implementation, the sensing chip of the ECG detection device can convert the first charge into a first voltage signal A1.

[0136] In another possible implementation, the sensor chip of the ECG detection device can convert the second charge into a second voltage signal A2.

[0137] In another possible implementation, the sensor chip of the ECG detection device can convert the first charge into a first voltage signal A1 and the second charge into a second voltage signal A2.

[0138] S1403, The electrocardiogram (ECG) detection device generates an ECG waveform based on the voltage signal.

[0139] In one possible implementation, the ECG detection device generates an ECG waveform based on a voltage signal, which may include: an analog-to-digital conversion module 201 of the circuit board 200 of the ECG detection device converts a first voltage signal A1 into a first digital signal D1, and converts a second voltage signal into a second digital signal D2. A processing module 202 of the circuit board 200 performs subsequent processing (such as filtering) on ​​the first digital signal D1 to obtain signal P1, performs subsequent processing on the second digital signal D2 to obtain signal P2, and performs differential processing on signals P1 and P2 to obtain the ECG waveform.

[0140] In another possible implementation, the ECG detection device generates an ECG waveform based on a voltage signal. This may include: an analog-to-digital conversion module 201 of the circuit board 200 of the ECG detection device converts a first voltage signal A1 into a first digital signal D1 and a second voltage signal into a second digital signal D2. A processing module 202 of the circuit board 200 packages the first digital signal D1 and the second digital signal D2 and transmits the packaged first digital signal D1 and the second digital signal D2 to a host computer 300 via a communication module 205. The host computer 300 receives the packaged first digital signal D1 and the second digital signal D2 via a communication module 301. The processing module 302 of the host computer 300 reads the packaged digital signal data, then identifies and interprets the parsing flags, performs corresponding amplitude conversion and saves the original data, and performs subsequent processing on the original data (such as notch filtering, low-pass filtering, high-pass filtering, differential processing, etc.) to generate an ECG waveform.

[0141] Optionally, the method may further include:

[0142] S1404, ECG detection device displays ECG waveform.

[0143] For example, the electrocardiogram (ECG) detection device can display the ECG waveform via the display module 204 of the circuit board 200.

[0144] As another example, the electrocardiogram (ECG) detection device can display the ECG waveform through the display module 304 of the host computer 300.

[0145] It should be understood that in the various embodiments of this application, the order of the above-mentioned processes does not imply the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this application.

[0146] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0147] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0148] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of the units described above is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed between the units may be through some interfaces; the indirect coupling or communication connection between the apparatuses or units may be electrical, mechanical, or other forms.

[0149] The units described above as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0150] In addition, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0151] If the aforementioned functions are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or a portion of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0152] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. An electrocardiogram (ECG) detection device, characterized in that, The device includes a circuit board and an electrode. The electrode is provided with a detection surface, a sensing chip and an interface. The detection surface includes a first detection surface and a second detection surface. The first detection surface is disposed on the front side of the electrode, and the second detection surface and the sensing chip are disposed on the back side of the electrode. The first detection surface is used to sense a first charge at a first location of the user, and the second detection surface is used to sense a second charge at the first location. The first location is the position where the electrodes are fixed on the user's body surface when the ECG detection device is used. The sensing chip is used to convert the first charge into a first voltage signal, convert the second charge into a second voltage signal, and transmit the first voltage signal and the second voltage signal to the circuit board through the interface; The circuit board is used to process the first voltage signal and the second voltage signal to generate an electrocardiogram waveform and to supply power to the electrodes through the interface; wherein, the processing includes differential processing.

2. The apparatus according to claim 1, characterized in that, The electrode is also provided with a detection point, which is used to sense the first charge together with the first detection surface or to sense the second charge together with the second detection surface.

3. The apparatus according to claim 2, characterized in that, The electrode is also provided with a first via, and the first detection surface and the sensing chip are connected through the first via.

4. The apparatus according to claim 3, characterized in that, The detection point is located on the front side of the electrode, and the electrode is also provided with a second through hole. The detection point is connected to the second detection surface through the second through hole.

5. The apparatus according to any one of claims 1 to 4, characterized in that, The interface includes a first set of interfaces and a second set of interfaces. The differential analog in-phase input terminals of the sensor chip and the circuit board are connected through the first set of interfaces, and the reference ground of the sensor chip and the circuit board is connected through the second set of interfaces. The sensor chip is specifically used for: The first charge is converted into a first voltage signal and the first voltage signal is transmitted to the circuit board through the first set of interfaces; The second charge is converted into a second voltage signal and the second voltage signal is transmitted to the circuit board through the first set of interfaces.

6. The apparatus according to claim 5, characterized in that, The interface also includes a third set of interfaces, and the circuit board is specifically used for: generating an electrocardiogram waveform based on the first voltage signal and the second voltage signal, and supplying power to the electrodes through the third set of interfaces.

7. The apparatus according to any one of claims 1 to 4 and 6, characterized in that, The electrode is also provided with a resistor, and the second detection surface and the sensing chip are connected through the resistor.

8. The apparatus according to claim 7, characterized in that, The resistor is a 0R ohm chip resistor.

9. The apparatus according to any one of claims 1 to 4, 6, and 8, characterized in that, The detection surface is a dry electrode with tin plating or conductive silicone.

10. The apparatus according to any one of claims 1 to 4, 6, and 8, characterized in that, The detection surface can be circular, rectangular, or arc-shaped.

11. The apparatus according to any one of claims 1 to 4, 6, and 8, characterized in that, The first detection surface and the second detection surface are identical in at least one of the following: material, area, or shape.

12. The apparatus according to any one of claims 2 to 4, characterized in that, The detection point is a dry electrode with a tin-plated surface.

13. The apparatus according to any one of claims 2 to 4, characterized in that, The detection point is circular.

14. The apparatus according to any one of claims 1 to 4, 6, and 8, characterized in that, The circuit board is equipped with an analog-to-digital conversion module, a processing module, and a power supply module; The analog-to-digital converter module is used to convert the voltage signal into a digital signal; The processing module is used to generate an electrocardiogram waveform based on the digital signal; The power module is used to supply power to the electrodes through the interface.

15. The apparatus according to claim 14, characterized in that, The circuit board is also equipped with a display module, which is used to display the electrocardiogram waveform.

16. The apparatus according to claim 14, characterized in that, The processing module is also used to package the digital signal, the circuit board is also provided with a communication module, and the electrocardiogram detection device also includes a host computer; The communication module is used to send the packaged digital signal to the host computer; The host computer is used to generate an electrocardiogram waveform based on the digital signal.

17. The apparatus according to claim 16, characterized in that, The host computer includes a communication module and a processing module; The communication module is used to receive the digital signal; The processing module is used to generate an electrocardiogram waveform based on the digital signal.

18. The apparatus according to claim 17, characterized in that, The host computer further includes a filtering module, which is used to filter the digital signal. Specifically, the filtering module is used for: An electrocardiogram waveform is generated based on the filtered digital signal.

19. The apparatus according to claim 18, characterized in that, The filtering module includes at least one of a notch filter, a low-pass filter, a band-pass filter, or a high-pass filter.

20. The apparatus according to any one of claims 16 to 19, characterized in that, The host computer also includes a display module, which is used to display the electrocardiogram waveform.

21. The apparatus according to any one of claims 16 to 19, characterized in that, The processing module is a microcontroller unit (MCU).

22. The apparatus according to claim 1, characterized in that, The electrode is also provided with a fixing module, which is used to fix the electrode to the user's body surface.

23. The apparatus according to claim 22, characterized in that, The fixing module is a bandage, a shell, or a structure.

24. An electrocardiogram (ECG) detection system, characterized in that, It includes a host computer and the electrocardiogram detection device according to any one of claims 1 to 23.

25. A method for detecting electrocardiogram (ECG), characterized in that, The method, applied to the electrocardiogram (ECG) detection device according to any one of claims 1 to 23, comprises: Sensing the user's electrical charge; Convert the charge into a voltage signal; An electrocardiogram waveform is generated based on the voltage signal.

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