CN211560078U - Intelligent watch - Google Patents

Abstract

The utility model provides a smart watch, comprising: a shell, which includes a top wall, a bottom wall and a side wall connecting the top wall and the bottom wall; a first optical sensor, which is arranged on the side wall of the shell, and is used to contact with a finger to collect a PPG signal; a first electrode, which is arranged on the outer surface of the side wall, and is used to contact with a finger to collect an ECG signal; a main control circuit, which is arranged in the shell and is electrically connected to the first blood oxygen optical sensor and the first electrode respectively. The smart watch provided by the embodiment of the present application arranges the first optical sensor for detecting the PPG signal and the first electrode for detecting the ECG signal on the side wall of the shell, so that the user can detect the PPG signal and the ECG signal by direct contact with the finger, thereby improving the accuracy of parameters such as electrocardiogram, blood pressure, blood oxygen, and heart rate.

Description

smart watch

technical field

The utility model relates to the field of medical electronic equipment, in particular to a smart watch.

Background technique

Existing wearable watches can measure various physiological parameters such as ECG, blood pressure, blood oxygen, and heart rate. In order to measure these physiological parameters more accurately, it is necessary to collect physiological signals from different parts of the user's body through a variety of sensors. For example, ECG parameters need to collect the user's ECG (electrocardiogram, electrocardiogram) data through ECG electrodes, blood oxygen parameters need to collect the user's fingertip PPG (photoplethysmograph, using photoplethysmography) data, blood pressure parameters need to collect the user's ECG and PPG data, heart rate parameters need to collect the user's PPG data.

The blood oxygen optical sensor and ECG electrode in the prior art are arranged on the inner surface of the watch to detect parameters such as ECG, blood pressure, blood oxygen, and heart rate at the wrist, but the blood vessels at the wrist are not rich enough, and the skin color difference is large. The accuracy of parameter detection is not high.

Utility model content

The purpose of the embodiments of the present invention is to provide a smart watch for improving the detection accuracy.

The embodiment of the present utility model provides a smart watch, including:

a housing comprising a top wall, a bottom wall, and a side wall connecting the top wall and the bottom wall;

a first optical sensor, which is arranged on the side wall of the casing and is used for contacting with a finger to collect PPG signals;

a first electrode, disposed on the outer surface of the side wall, for contacting with a finger to collect ECG signals;

The main control circuit is arranged in the casing and is electrically connected with the first optical sensor and the first electrode respectively.

Optionally, in the smart watch according to the embodiment of the present invention, the first electrode is provided with a first through hole opposite to the first optical sensor, and the first optical sensor is installed on the first optical sensor. a through hole, so that the light emitted by the first optical sensor can pass through the first through hole.

Optionally, in the smart watch according to the embodiment of the present invention, the first optical sensor is disposed on a side wall opposite to the first electrode.

Optionally, in the smart watch according to the embodiment of the present invention, the first optical sensor is disposed on the same side wall as the first electrode.

Optionally, in the smart watch according to the embodiment of the present invention, the first electrode is a multiplexed measurement shortcut button.

Optionally, in the smart watch according to the embodiment of the present invention, it further includes a second electrode electrically connected to the main control circuit, and the second electrode is arranged on the outer surface of the bottom wall to use Used in conjunction with the first electrode to collect ECG signals.

Optionally, the smart watch according to the embodiment of the present invention further includes third electrodes electrically connected to the main control circuit respectively, and the third electrodes are arranged on the outer surface of the bottom wall.

Optionally, in the smart watch according to the embodiment of the present invention, it further includes a second optical sensor, which is arranged on the bottom wall and is used to detect the PPG signal at the wrist, and the second optical sensor is connected to the wrist. The main control circuit is electrically connected.

Optionally, in the smart watch according to the embodiment of the present invention, a battery assembly is further included, and the battery assembly is arranged in the casing and is electrically connected with the main control circuit.

Optionally, in the smart watch according to the embodiment of the present invention, the first optical sensor can emit red light and infrared light.

In the smart watch provided by the embodiments of the present application, the first optical sensor and the first electrode are arranged on the side wall of the casing, so that the user can directly contact the first optical sensor and the first electrode with a finger to detect the PPG signal and the ECG signal , thereby improving the accuracy of parameters such as ECG, blood pressure, blood oxygen, and heart rate.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required in the embodiments of the present invention will be briefly introduced below. It should be understood that the following drawings only illustrate some implementations of the present invention. For example, therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a schematic cross-sectional structure diagram of a smart watch provided by an embodiment of the present invention.

FIG. 2 is a first schematic plan view of a smart watch provided by an embodiment of the present invention.

FIG. 3 is a second schematic plan view of the smart watch provided by the embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, or is the customary pendulum when the utility model product is used. The orientation or positional relationship is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as affecting the present utility model. New type of restriction. Furthermore, the terms "first", "second", etc. are only used to differentiate the description and should not be construed to indicate or imply relative importance.

It should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement" and "connection" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a direct connection The connection can also be indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

FIG. 1 is a schematic cross-sectional structural diagram of a smart watch provided by an embodiment of the present invention. Please refer to FIG. 1 and FIG. 2 at the same time, the smart watch includes: a casing 10 , a first optical sensor 20 , a second optical sensor 30 , a first electrode 40 , a second electrode 50 , a third electrode 60 and a main control circuit 70 .

The housing 10 includes a top wall 13 , a bottom wall 12 and a side wall 11 connecting the top wall 13 and the bottom wall 12 . The top wall 13 , the bottom wall 12 and the side wall 11 enclose an accommodating space 101 . The main control circuit 70 is disposed in the accommodating space 101 and is electrically connected to the first optical sensor 20 , the second optical sensor 30 , the first electrode 40 , the second electrode 50 and the third electrode 60 respectively.

Wherein, the first optical sensor 20 is disposed on the side wall 11 of the casing 10, and can emit red light and infrared light alternately, and is used to collect the first PPG signal in contact with the finger.

In some embodiments, an optical lens 21 may be disposed on the outer surface of the side wall 11 to protect the first optical sensor 20 .

The first electrode 40 is disposed on the outer surface of the side wall 11 , and the second electrode 50 is disposed on the outer surface of the bottom wall 12 for use with the first electrode 40 to collect ECG signals. The third electrode 60 is disposed on the outer surface of the bottom wall 12 and is used in cooperation with the first electrode and the second electrode to reduce signal conduction interference and improve the quality of the collected ECG signal. During detection, the user can wear the smart watch with the left hand, the skin at the wrist of the left hand contacts the second electrode and the third electrode, and the thumb and index finger of the right hand press the two sides of the smart watch at the same time to contact the first electrode 40 and the first optical electrode 40 at the same time. The sensor 20 is used to simultaneously collect the PPG signal at the finger and the ECG signal of the left and right hand leads. The arrangement position and shape of the first electrode and the first optical sensor conform to ergonomics, so that the user can easily operate with one hand and measure various physiological parameters at the same time.

The main control circuit 70 is arranged on the circuit board. The main control circuit 70 is used for calculating blood oxygen, blood pressure, heart rate and electrocardiogram according to the first PPG signal and the ECG signal.

Specifically, the top wall 13 , the bottom wall 12 and the side wall 11 may be integrally formed. The top wall 13 , the bottom wall 12 and the side wall 11 may be separate parts, which are connected by connecting structures to form the housing 10 . Wherein, the top wall 13 may be a liquid crystal display panel or an OLED display panel, or may be a transparent glass cover plate.

In another embodiment, a second optical sensor 30 may be provided at the bottom of the ECG watch for collecting the user's second PPG signal. The setting of the second optical sensor enables the user to continuously monitor the PPG signal of the user when the ECG watch is worn by one hand, so as to calculate various physiological parameters of the user.

In another embodiment, the first electrode 40 may be a multiplex key. The multiplexed button can be used as a control button of the smart watch, and can also be used as a shortcut button for the measurement function. When used as a shortcut button for measurement, the user's finger presses the shortcut button to start the measurement function, and at the same time keeps the finger pressed, the smart watch automatically starts to collect the first PPG signal and ECG signal, which is convenient for users to use.

In some embodiments, the first optical sensor 20 may be disposed on the same sidewall as the first electrode 40 . Specifically, the first optical sensor 20 is disposed adjacent to the first electrode 40. During measurement, the user only needs to cover the first optical sensor 20 and the first electrode 40 with one finger to collect the first PPG signal and ECG Signal.

As shown in FIG. 3 , in some embodiments, the first electrode 40 is provided with a first through hole 41 opposite to the first optical sensor 20 , and the first optical sensor 20 is installed in the first through hole 41 , so that the The light emitted by the first optical sensor 20 can pass through the first through hole 41 . Alternatively, the first electrode 40 can be a transparent electrode, so that the light emitted by the first optical sensor 20 can pass through the transparent electrode. The transparent electrode covers the first optical sensor 20 .

In some embodiments, the smart watch further includes a battery assembly 80 . The battery assembly 80 is disposed in the casing 10 and is electrically connected to the main control circuit 70 .

In the smart watch provided by the embodiments of the present application, the first optical sensor for detecting PPG signals and the first electrode for detecting ECG signals are arranged on the side wall of the casing, so that the user can directly contact the first optical sensor and the first optical sensor with fingers Electrodes are used to detect PPG signals and ECG signals, thereby improving the accuracy of parameters such as ECG, blood pressure, blood oxygen, and heart rate.

The above descriptions are only the embodiments of the present invention, and are not intended to limit the protection scope of the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A smart watch, comprising:

a housing including a top wall, a bottom wall, and a side wall connecting the top wall and the bottom wall;

the first optical sensor is arranged on the side wall of the shell and is used for being in contact with a finger to acquire a PPG signal;

a first electrode disposed on an outer surface of the sidewall for contact with a finger to acquire an ECG signal;

and the main control circuit is arranged in the shell and is respectively and electrically connected with the first optical sensor and the first electrode.

2. The smartwatch according to claim 1, wherein the first electrode has a first through hole formed therein, the first through hole being opposite to the first optical sensor, and the first optical sensor is installed in the first through hole such that light emitted from the first optical sensor can pass through the first through hole.

3. The smartwatch of claim 1, wherein the first optical sensor is disposed on a sidewall opposite the first electrode.

4. The smartwatch of claim 1, wherein the first optical sensor is disposed on the same sidewall as the first electrode.

5. The smartwatch of claim 1, wherein the first electrode is a multiplexing button.

6. The smart watch of any one of claims 1 to 5, further comprising a second electrode electrically connected to the master control circuit, the second electrode being disposed on an outer surface of the bottom wall for use with the first electrode to acquire ECG signals.

7. The smartwatch of claim 6, further comprising third electrodes electrically connected to the master control circuit, respectively, the third electrodes disposed on an outer surface of the bottom wall.

8. The smartwatch of claim 1, further comprising a second optical sensor disposed on the bottom wall for detecting PPG signals at the wrist, the second optical sensor electrically connected with the master control circuit.

9. The smartwatch of claim 1, further comprising a battery assembly disposed within the housing and electrically coupled to the master control circuit.

10. The smartwatch of claim 1, wherein the first optical sensor is configured to emit red and infrared light.

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