CN210784331U

CN210784331U - Wearable ECG (electrocardiogram) equipment

Info

Publication number: CN210784331U
Application number: CN201921314038.0U
Authority: CN
Inventors: 何常州
Original assignee: Anhui Huami Information Technology Co Ltd
Current assignee: Anhui Huami Information Technology Co Ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-06-19
Anticipated expiration: 2029-08-13

Abstract

A wearable ECG device, comprising: a housing; a main board disposed inside the housing, the main board including an eSIM card; the first ECG measuring electrode and the second ECG measuring electrode are arranged in the shell and connected with the main board to form a lead structure, and the first ECG measuring electrode is in contact with the skin of a user; a PPG optical sensor disposed in the housing in contact with the skin of the user; and the PPG signal processor is connected with the main board and the PPG optical sensor. The utility model discloses a scheme is simple, only needs to wear in measurand one end, and other end contact both can begin to test the heart electrograph, and standard ECG electrocardio analog signal can export standard electrocardio wave, combines the data that PPG optical sensor measured, has improved measured data's accuracy. The added eSIM card realizes the function of real-time independent communication, can transmit the result data measured by ECG and PPG to the outside at any time, does not need to rely on mobile terminals such as a mobile phone, can directly upload and analyze the data, and can automatically acquire the analysis result.

Description

Wearable ECG (electrocardiogram) equipment

Technical Field

The utility model relates to a wearable equipment field, in particular to wearable ECG equipment.

Background

Along with the popularization of intelligent wearing equipment to and more simple and convenient test is used, the function is also abundanter. In order to meet the requirements of normal and heart patients, the heart beating condition of the patient is concerned at any time, and the patient does not need to go to a hospital and knows the condition of the patient in time. The existing heart rate measuring watch can only detect the heart rate and can not accurately judge the health condition of a detected person. In addition, the existing heart rate measuring watch transmits data through the mobile terminal, the process is complex and error is easy to occur, once the electric quantity of the mobile terminal is insufficient, the health condition of a user cannot be transmitted, and the monitoring of the health condition of the user by family members or doctors is forced to be interrupted.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

The utility model aims at providing a wearable ECG equipment is in order to solve the health status that detects more data with real-time detection user.

(II) technical scheme

To solve the above problem, a first aspect of the present invention provides a wearable ECG device, including: a housing; the main board is arranged inside the shell and comprises an eSIM card, and the eSIM card is used for information interaction with the outside; a first ECG measuring electrode disposed on a first side of the housing and connected to the main board; a second ECG measuring electrode arranged on the second surface of the shell, connected with the main board and forming a lead structure with the first ECG measuring electrode; the first side is the side of the wearable ECG device, which is in contact with the skin of the user, and the second side is the side of the wearable ECG device, which is not in contact with the skin of the user; a PPG optical sensor disposed on the first face of the housing in contact with the skin of a user; and the PPG signal processor is connected with the main board and the PPG optical sensor and is used for generating heart rate information from information detected by the PPG optical sensor.

Further, the main board further includes: a receiving circuit connected to the first and second ECG measuring electrodes and the PPG signal processor, respectively, for receiving the electrical signals measured by the first and second ECG measuring electrodes and the PPG signal processor; the AFE front-end processor is connected with the receiving circuit and is used for collecting the electric signal; the AFE front-end processor is connected with the AFE front-end processor, and the AFE front-end processor transmits the electric signal to the algorithm processor through a serial port; the AP processor is connected with the algorithm processor and used for analyzing and converting the signals transmitted by the algorithm processor; the eSIM card is connected to the AP processor; and the radio frequency processor is connected with the AP processor, and the radio frequency processor and the eSIM card form a communication device for information interaction with the outside.

Further, the first ECG measuring electrode is a sheet-like structure and is plural.

Further, a plurality of contacts are also included; the plurality of contacts are arranged on one side, close to the wrist, of the shell and connected with the mainboard.

Further, the contacts include charging contacts; the charging contact is arranged on one side, close to the wrist, of the shell and used for charging the battery in the mainboard.

Further, the contacts further comprise transmission contacts; the transmission contact is arranged on one side, close to the wrist, of the shell and used for carrying out data transmission with the PC end.

Further, the device also comprises a display screen; the display screen is connected with the mainboard and used for displaying the measurement data.

Further, the shell is made of an insulating material.

Furthermore, the system also comprises a mainboard control key; the mainboard control key is used for controlling the mainboard to work/stop.

Further, the wearable ECG device comprises a conversable watch;

the utility model discloses a wearable ECG equipment, a serial communication port, include: a housing; the main board is arranged inside the shell and comprises an eSIM card, and the eSIM card is used for information interaction with the outside; a first ECG measuring electrode disposed on a first side of the housing and connected to the main board; a second ECG measuring electrode arranged on the second surface of the shell, connected with the main board and forming a lead structure with the first ECG measuring electrode; the first side is the side of the wearable ECG device, which is in contact with the skin of the user, and the second side is the side of the wearable ECG device, which is not in contact with the skin of the user; a PPG optical sensor disposed on the first face of the housing in contact with the skin of a user; and the PPG signal processor is connected with the main board and the PPG optical sensor and is used for generating heart rate information from information detected by the PPG optical sensor. The utility model discloses a scheme is simple, only needs to wear in measurand one end, and other end contact both can begin to test the heart electrograph, and standard ECG electrocardio analog signal can output standard electrocardiowave. First ECG measuring electrode sets up in being close to skin one side, can direct contact skin, and increase area of contact has improved measured data's accuracy. Add the function that the eSIM card has realized real-time communication, can convey the external world at any time with the result data that ECG and PPG surveyed, and the utility model discloses a wearable ECG equipment need not to connect mobile terminal such as cell-phone for independent communication, can directly upload the analysis with data, acquires the analysis result by oneself.

(III) advantageous effects

The above technical scheme of the utility model has following profitable technological effect:

the utility model discloses a scheme is simple, only needs to wear in measurand one end, and other end contact both can begin to test the heart electrograph, and standard ECG electrocardio analog signal can output standard electrocardiowave. First ECG measuring electrode sets up in being close to skin one side, can direct contact skin, and increase area of contact has improved measured data's accuracy. Add the function that the eSIM card has realized real-time communication, can convey the external world at any time with the result data that ECG and PPG surveyed, and the utility model discloses a wearable ECG equipment need not to connect mobile terminal such as cell-phone for independent communication, can directly upload the analysis with data, acquires the analysis result by oneself.

Drawings

Fig. 1 is a schematic structural diagram of a wearable ECG device according to an embodiment of the present invention;

fig. 2 is a block diagram of a motherboard structure according to an embodiment of the present invention;

fig. 3 is a block diagram of a wearable ECG device according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a front structure of a conversable watch according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a back structure of a watch capable of communicating according to an embodiment of the present invention.

Reference numerals:

1: a housing; 11: a display screen; 111: an ECG data display module; 112: a PPG data display module; 2: a first ECG measuring electrode; 3: a second ECG measuring electrode; 4: a main board; 5: an optical sensor; 6: a PPG signal processor; 7: a contact; 71: a charging contact; 72: a transmission contact; 8: a main board control key; 9: and (4) a watchband.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

A schematic diagram of a layer structure according to an embodiment of the invention is shown in the drawing. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity. The shapes of various regions, layers, and relative sizes and positional relationships therebetween shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, as actually required.

It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.

ECG is an Electrocardiogram, abbreviation for electrocardiagram.

PPG is an abbreviation for PhotoPlethysmoGraphy, photplethysmography.

The eSIM is an abbreviation of Embedded-Subscriber identity Module (Embedded smart card).

Fig. 1 is a schematic diagram of a wearable ECG device according to an embodiment of the present invention.

As shown in fig. 1, in an implementation manner of an embodiment of the present invention, there is provided a wearable ECG device, including: a housing 1; the main board 2 is arranged inside the shell 1, and the main board 2 comprises an eSIM card which is used for information interaction with the outside; a first ECG measuring electrode 3 arranged on a first surface of the housing 1 and connected to the main board; a second ECG measuring electrode 4 which is arranged on the second surface of the shell 1, is connected with the mainboard and forms a lead structure with the first ECG measuring electrode 3; the first side is the side of the wearable ECG device, which is in contact with the skin of the user, and the second side is the side of the wearable ECG device, which is not in contact with the skin of the user; a PPG optical sensor 5, arranged on a first face of the housing 1, in contact with the skin of the user; and the PPG signal processor 6 is connected with the main board 2 and the PPG optical sensor 5 and is used for generating heart rate information from the information detected by the PPG optical sensor 5. The utility model discloses a scheme is simple, only needs to wear in measurand one end, and other end contact both can begin to test the heart electrograph, and standard ECG electrocardio analog signal can output standard electrocardiowave. First ECG measuring electrode sets up in being close to skin one side, can direct contact skin, and increase area of contact has improved measured data's accuracy. Add the function that the eSIM card has realized real-time communication, can convey the external world at any time with the result data that ECG and PPG surveyed, and the utility model discloses a wearable ECG equipment need not to connect mobile terminal such as cell-phone for independent communication, can directly upload the analysis with data, acquires the analysis result by oneself.

In the wearable ECG device, the side contacting the skin is the first side, and the remaining sides are the second side. Than so wearable ECG equipment be circular wrist-watch, the one side of dial plate back contact skin is first face, and the side is the second face with dial plate place plane.

When the wearable ECG device is worn on the arm, the first ECG measuring electrode 3 is placed against the wrist or finger and the second ECG measuring electrode 4 is touched with the other hand, i.e. an I-lead is formed.

When the wearable ECG device is worn on the left leg, the first ECG measuring electrode 3 is held against the ankle to between the toes and the second ECG measuring electrode 4 is touched with the right hand, i.e. the II lead is formed.

When the wearable ECG device is worn on the left leg, the first ECG measuring electrode 3 is held close to the ankle and between the toes, and the second ECG measuring electrode 4 is touched with the left hand, i.e. the III lead is formed.

The data is complete and accurate, and the heart rate and the electrocardio can be completely detected at home.

Optionally, the housing is made of an insulating material.

Optionally, a display screen can be further arranged in the shell 1 to display dynamic electrocardio, and tested data can be directly displayed in an electrocardiogram form.

Optionally, the display screen scrolls from one end to the other to display the electrocardiographic waveform.

Optionally, the display screen may generate heart rate information from information detected by the PPG optical sensor 5, and the heart rate information is also displayed on the display screen.

Alternatively, the PPG optical sensor 5 may be a light emitting diode.

Preferably, the PPG optical sensor 5 is a biotacker (tm) PPG bio-tracking optical sensor, which has low power consumption and high accuracy, and provides reliable endurance guarantee for the detection of the heart rate and the exercise heart rate throughout the day.

Fig. 2 is a block diagram of a motherboard structure according to an embodiment of the present invention.

As shown in fig. 2, the main board 2 may further include: the receiving circuit is respectively connected with the first ECG measuring electrode 3, the second ECG measuring electrode 4 and the PPG signal processor 6 and is used for receiving the electric signals measured by the first ECG measuring electrode 3, the second ECG measuring electrode 4 and the PPG signal processor 6; the AFE front-end processor is connected with the receiving circuit and is used for acquiring an electric signal; the AFE front-end processor transmits the electric signal to the algorithm processor through a serial port; the AP processor is connected with the algorithm processor and used for analyzing the signals transmitted by the conversion algorithm processor; the eSIM card is connected to the AP processor; and the radio frequency processor is connected with the AP processor, and the radio frequency processor and the eSIM card form a communication device for information interaction with the outside.

The data measured by ECG are received by receiving circuit, transferred to AFE front-end processor, processed and transferred to algorithm processor, processed and transferred to AP processor, and processed and displayed by display screen.

And the data measured by the PPG is received by a receiving circuit, transmitted to an AFE front-end processor, transmitted to an algorithm processor after being processed, transmitted to an AP processor after being processed, and displayed by a display screen after being processed.

The use of an AFE front-end processor device is an analog front-end (AFE) for synchronized Electrocardiographic (ECG), photoplethysmogram (PPG) signal acquisition. The device may also be used in optical biosensing applications such as Heart Rate Monitoring (HRM) and peripheral capillary oxygen saturation (SpO2) measurements. The PPG signal chain supports up to four switchable Light Emitting Diodes (LEDs) and up to three Photodiodes (PDs). The LEDs can be turned on using a fully integrated LED driver. The current of the PPG optical sensor 5 is converted to a voltage by a transimpedance amplifier (TIA) and digitized using an analog-to-digital converter (ADC). The ECG signal chain has an instrumentation amplifier (INA) with programmable gain connected to the same ADC. A Right Leg Drive (RLD) amplifier bank may be used for biasing of the ECG input pins. And an alternating current and direct current lead falling detection scheme is supported. The ADC codes from the PPG and ECG phases may be stored in 128-sample first-in-first-out (FIFO) blocks and read using I2C or a Serial Peripheral Interface (SPI) interface.

AFE front end processor signal passes through the serial ports and conveys algorithm treater, and this treater realizes that local real-time discrimination of PPG arrhythmia (including atrial fibrillation), local real-time discrimination of ECG arrhythmia (including atrial fibrillation) are for independently developing RealBeatsAI biological data engine, and when the heart appeared unusually, wearable ECG equipment can first make time warning remind. The data is transmitted to the AP processor after passing through the algorithm processor, and the noise reduction smoothing processing can be dynamically displayed on a circular screen after analysis and conversion, so that a user can see own graphs at the first time. The wearable ECG device is equipped with a memory that can store a plurality of pieces of data. And possess and drop the detection function, remind the user to wear normally.

Preferably, the arithmetic processor carried by the main board 2 adopts a processor of 'Huangshan No. 1'. Supporting 7 x 24-hour arrhythmia (including atrial fibrillation) detection and remote medical guidance service.

The AP Processor is an abbreviation of Application Processor, Application Processor.

AFE is an abbreviation for Active Front End, Active Front End.

Fig. 3 is a block diagram of a wearable ECG device according to an embodiment of the present invention.

As shown in fig. 3, the motherboard 2 further includes an eSIM card, a radio frequency processor, a radio frequency antenna, and a power supply system. The radio frequency processor is used for sending the data of the AP processor to the radio frequency antenna end, and the data transmitted by the radio frequency antenna end is sent to the AP processor through the radio frequency processor. The eSIM card and the radio frequency processor form a wireless communication technology. And carrying out data interaction on the detected heart rate and electrocardio data with the outside through a radio frequency processor, and transmitting and receiving the data through a radio frequency antenna.

The data measured by the ECG are received by the receiving circuit, transmitted to the AFE front-end processor, transmitted to the algorithm processor after being processed, transmitted to the AP processor after being processed, and transmitted to the outside through wireless communication formed by the eSIM card and the radio frequency processor after being processed.

The data measured by the PPG is received by the receiving circuit, transmitted to the AFE front-end processor, transmitted to the algorithm processor after being processed, transmitted to the AP processor after being processed, and transmitted to the outside after being processed through wireless communication formed by the eSIM card and the radio frequency processor.

Alternatively, the first ECG measuring electrode 3 may be a sheet-like structure, and may be plural. The contact area of the first ECG measuring electrode 3 and the skin of the human body is increased, and the accuracy of the measured data is improved. A plurality of first ECG measuring electrodes 3 and second ECG measuring electrodes 4 form the cardiac electrical measurement I-lead.

Optionally, the first ECG measuring electrode 3 comprises: an LA electrode and an RLD drive electrode; the LA electrode is an electrode that contacts the skin, and the RLD electrode is a drive electrode that supplies bias voltages to the LA and RA electrodes.

Optionally, a plurality of contacts 7 may also be included; a plurality of contacts 7 are provided on the wrist side of the case 1 and connected to the main board 2.

Alternatively, the contacts 7 may include charging contacts 71; charging contacts 71 are provided on the wrist side of the housing 1 for charging the battery in the main board 2.

Optionally, the contacts 7 may also include transmission contacts 72; the transmission contact 72 is arranged on the side of the housing 1 close to the wrist for data transmission with the PC side. The data transmission contact 72 is arranged to realize data transmission, and the detected PPG and ECG data are analyzed through a computer or an intelligent terminal to judge the physical health condition of the user.

Alternatively, the plurality of contacts 7 may be magnetically attracted contacts 7. The stability when having improved to charge or data transfer makes the wiring difficult for dropping.

Optionally, a motherboard control key 8 may be further included; the main board control key 8 is used for controlling the operation/stop of the main board 2.

Optionally, the method may further include: the falling detection module has a falling detection function and reminds a user of normally wearing the clothes. The falling detection module is used for detecting the wearing state of the ECG equipment by combining internal hardware of the ECG equipment with an algorithm so as to judge whether to start measurement. If the wearing state is normal, the wearable ECG equipment measures the electrocardio when coming; if worn loosely, the first ECG measuring electrode 3 is not in full proximity to the skin, alerting the user to wear properly.

Optionally: also includes a display screen 11; display screen 11 is connected with the mainboard, and display screen 11 is used for showing measured data.

Alternatively, the display screen 11 may also be a digital display screen, and content that needs to be observed by the user is displayed through operation selection.

As shown in fig. 4 and 5, in an implementation of another embodiment of the present invention, the wearable ECG device includes a conversable watch.

Optionally, a watchband 9 can be included; the material of the bracelet 9 is leather and/or silicone.

Optionally, the display screen 11 may be a pointer display, and the ECG data display module 111, the PPG data display module 112, the date display module, the GPS positioning display module, the video display module, and the like are built in.

Optionally, the dial plate further comprises an e-SIM and a communication system; the e-SIM and the communication system are arranged in the dial plate and used for establishing communication with the outside.

The scheme is simple, and the heart rate and the electrocardiogram can be tested only by wearing the wrist and contacting the right finger. The imported processing chip is used, the performance is superior, a set of accurate algorithm is provided, and the cost is suitable for wearable products. The electronic material and the watch shell material are nontoxic and harmless and are safe to use. In the product verification stage, standard ECG electrocardio analog signals are used, and standard electrocardiowaves can be output. And this wrist-watch product embeds radio frequency treater, ESIM, has the radio frequency antenna, GPS, WIFI built-in antenna, is equipped with loudspeaker, microphone, motor, can realize conversation and data transmission. When the emergency of the user can be positioned by a GPS, the doctor is informed at the first time, an emergency call is dialed, and the first time is used for rescue. The tested ECG and PPG data generate reports which are transmitted to the family through the cloud end, so that the doctor can know the conditions in the fastest time. Add the function that the eSIM card has realized real-time communication, can convey the external world at any time with the result data that ECG and PPG surveyed, and the utility model discloses a wearable ECG equipment need not to connect mobile terminal such as cell-phone for independent communication, can directly upload the analysis with data, acquires the analysis result by oneself.

The above description refers to the embodiments of the present invention. However, these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof. Various alternatives and modifications can be devised by those skilled in the art without departing from the scope of the invention, and these alternatives and modifications are intended to be within the scope of the invention.

Claims

1. A wearable ECG device, comprising:

a housing (1);

the main board (2) is arranged inside the shell (1), and the main board (2) comprises an eSIM card which is used for information interaction with the outside;

a first ECG measuring electrode (3) arranged on a first surface of the housing (1) and connected with the main board (2);

a second ECG measuring electrode (4) arranged on the second side of the housing (1), connected to the main board (2) and forming a lead structure with the first ECG measuring electrode (3);

the first side is the side of the wearable ECG device, which is in contact with the skin of the user, and the second side is the side of the wearable ECG device, which is not in contact with the skin of the user;

a PPG optical sensor (5) arranged on the first face of the housing (1) in contact with the skin of a user;

a PPG signal processor (6) connected with the main board (2) and the PPG optical sensor (5) and used for generating heart rate information from the information detected by the PPG optical sensor (5).

2. Wearable ECG device according to claim 1, characterized in that the main board (2) further comprises:

receiving circuitry connected to the first (3), second (4) and PPG signal processor (6) for receiving electrical signals measured by the first (3), second (4) and PPG signal processor (6), respectively;

the AFE front-end processor is connected with the receiving circuit and is used for collecting the electric signal;

the AFE front-end processor is connected with the AFE front-end processor, and the AFE front-end processor transmits the electric signal to the algorithm processor through a serial port;

the AP processor is connected with the algorithm processor and used for analyzing and converting the signals transmitted by the algorithm processor; the eSIM card is connected to the AP processor;

and the radio frequency processor is connected with the AP processor, and the radio frequency processor and the eSIM card form a communication device for information interaction with the outside.

3. Wearable ECG device according to claim 1, wherein the first ECG measuring electrode (3) is a sheet-like structure and is a plurality.

4. Wearable ECG device according to claim 1, further comprising a plurality of contacts (7);

the plurality of contacts (7) are arranged on the first surface of the shell (1) and connected with the mainboard (2).

5. Wearable ECG device according to claim 4, wherein the contacts (7) comprise charging contacts (71);

the charging contact (71) is arranged on one side, close to the wrist, of the shell (1) and used for charging the battery in the mainboard (2).

6. Wearable ECG device according to claim 4, wherein the contact points (7) further comprise a transmission contact point (72);

the transmission contact (72) is arranged on one side, close to the wrist, of the shell (1) and used for carrying out data transmission with the PC end.

7. Wearable ECG device according to claim 1, further comprising a display screen (11);

the display screen (11) is connected with the main board, and the display screen (11) is used for displaying measurement data.

8. The wearable ECG device of claim 1, wherein the housing is made of an insulating material.

9. Wearable ECG device according to claim 1, further comprising a main board control key (8);

the mainboard control key (8) is used for controlling the mainboard (2) to work/stop.

10. The wearable ECG device of claim 1, wherein the wearable ECG device comprises a conversible watch.