CN115736928A

CN115736928A - Wearable device

Info

Publication number: CN115736928A
Application number: CN202211410795.4A
Authority: CN
Inventors: 李新
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-07

Abstract

The invention discloses wearable equipment, which comprises a main body, a watchband, a first ECG electrode and a second ECG electrode, wherein the main body is provided with a main board; the watchband is connected with the main body; the first ECG electrode is embedded in the watchband, the first ECG electrode is arranged in a protruding mode relative to the inner surface of the watchband, and the first ECG electrode is electrically connected with the mainboard; the second ECG electrode is disposed on an outer surface of the main body and electrically connected to the main board. The wearing equipment provided by the invention reduces the thickness of the main body, increases the contact area of the first ECG electrode and a human body, improves the accuracy of ECG measurement, and has the advantages that the first ECG electrode is not easy to fall off and the reliability is high.

Description

Wearable device

Technical Field

The invention relates to the field of wearable equipment, in particular to wearable equipment.

Background

Smart bracelet, wrist-watch ECG (heart electrograph) function, common solution is to place the upper electrode at epitheca or mesochite, and the lower electrode passes through sticky the fixing at the inferior valve, and lower electrode and an arm contact when wearing the use, another finger press the upper electrode, and the electric current passes through left and right hands and forms the return circuit, detects the ECG function. This scheme can meet the bottom electrode and drop usually, and the bottom electrode switches on poorly with the mainboard, and area of contact is little, and the inferior valve warp scheduling problem easily.

Disclosure of Invention

The invention mainly aims to provide a wearable device, and aims to solve the problems.

In order to achieve the above object, the present invention provides a wearable device, including:

the main body is provided with a main board;

a band connected to the body;

the first ECG electrode is embedded in the watchband, the first ECG electrode is arranged in a protruding mode relative to the inner surface of the watchband, and the first ECG electrode is electrically connected with the mainboard;

a second ECG electrode disposed on an outer surface of the main body and electrically connected with the main board.

Optionally, the first ECG electrodes are in a convex point shape, and the first ECG electrodes are arranged at intervals along the length direction of the watchband;

a flexible circuit board is arranged in the watchband, the first ECG electrodes are welded and fixed on the flexible circuit board, and the flexible circuit board is electrically connected with the mainboard.

Optionally, a plurality of the first ECG electrodes are arranged at intervals in a width direction of the watchband.

Optionally, the first ECG electrode includes a first portion and a second portion arranged in a step, a cross-sectional dimension of the first portion in the thickness direction of the band is larger than a cross-sectional dimension of the second portion in the thickness direction of the band, the first portion is welded and fixed to the flexible circuit board, and a side of the second portion facing away from the first portion is arranged to protrude from an inner surface of the band.

Optionally, the wearing device further comprises a plug-in component, the plug-in component comprises a connecting seat and a connecting head, the connecting seat and one of the connecting heads are arranged on the flexible circuit board, the other connecting head is arranged on the mainboard, and the connecting head is fixedly connected with the connecting head so as to connect the flexible circuit board with the mainboard electrically.

Optionally, the surface of the portion of the first ECG electrode extending beyond the wristband is a smooth arc-shaped surface structure.

Optionally, the surface of the portion of the first ECG electrode extending out of the watchband is a concave-convex surface.

Optionally, the main part includes casing and apron, the casing has one end open-ended mounting groove, the apron closing cap in the open end of casing, the mainboard set up in the mounting groove, the lateral wall of casing seted up with the mouth of dodging of mounting groove intercommunication.

Optionally, the second ECG electrode is provided to a side wall of the cover plate and/or the housing.

Optionally, the wearable device further comprises a display screen, and the display screen is arranged in the main body and electrically connected with the main board.

According to the technical scheme, the first ECG electrode is arranged on the surface belt, so that the installation space of the first ECG electrode does not need to be reserved in the main body, the thickness of the main body is reduced, the contact area of the first ECG electrode with a human body can be increased compared with the first ECG electrode arranged on the lower surface of the main body, the accuracy of ECG measurement is improved, the first ECG electrode is embedded in the surface belt, and compared with the mode that the first ECG electrode is adhered to the inner surface of the main body through glue in the prior art, the first ECG electrode is not prone to falling off, and the service life of the first ECG electrode is prolonged. Taking the wearing device worn on the left wrist of the user as an example, the first ECG electrode is in contact with the left arm, when the right hand of the user touches the second ECG electrode, a loop is formed, and the wearing device detects the human ECG (electrocardiogram).

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic diagram of an embodiment of the prior art;

FIG. 2 is a schematic structural diagram of an embodiment of a wearable device according to the invention;

fig. 3 is a schematic view of a watch band in an embodiment of the novel wearable device of the invention;

fig. 4 is a sectional view taken in the direction B-B in fig. 3.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name(s)
				10	Wearable device	200	Watchband
100	Main body	210	Flexible circuit board
				101	Main board	300	First ECG electrode
110	Shell body	310	First part
				120	Cover plate	320	The second part
111	Mounting groove	400	Second ECG electrode
				1121	Push-button	112	Middle shell
113	Bottom shell

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; etc.) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In the prior art, the ECG (electrocardiogram) function of the smart bracelet and the watch is as shown in fig. 1, the second ECG electrode 400 is placed on the cover plate 120 or the middle shell 112 in the case of a common solution, the first ECG electrode 300 is fixed on the bottom shell 113 through adhesion, the first ECG electrode 300 is in contact with one arm when the device is worn and used, the second ECG electrode 400 is pressed by the other finger, and the current forms a loop through the left hand and the right hand to detect the ECG function. This scheme often can meet first ECG electrode 300 and drop, and first ECG electrode 300 and mainboard 101 are switched on badly, and area of contact is little, and drain pan 113 warp scheduling problem easily.

The present invention proposes a wearable device 10, which aims to solve the above-mentioned problems. The wearable device 10 may be a watch, a bracelet, or the like, and is not limited herein. In the following embodiments, the wearable device 10 is exemplified as a wristwatch.

In the embodiment of the present invention, as shown in fig. 2 to 4, the wearable device 10 includes a main body 100, a watch band 200, a first ECG electrode 300, and a second ECG electrode 400, wherein the main body 100 is provided with a main board 101; the watch strap 200 is connected with the main body 100, the first ECG electrode 300 is embedded in the watch strap 200, the first ECG electrode 300 is arranged to protrude relative to the inner surface of the watch strap 200, and the first ECG electrode 300 is electrically connected with the main board 101; the second ECG electrode 400 is disposed on the outer surface of the main body 100 and electrically connected to the main board 101.

Optionally, the main body 100 is a main body 100 component of the wearing portion, for installing and fixing the main board 101, when the wearing portion is worn on the hand of the user, the inner surface of the main body 100 is a side surface attached to the skin of the user, the second ECG electrode 400 is disposed on the outer surface of the main body 100 so as not to contact with the wearing wrist, and the mis-conduction is prevented. The watch band 200 is made of an insulating material, and may be fixedly attached to the main body 100 or detachably connected to the main body 100, which is not limited herein. Since the first ECG electrode 300 is protruded with respect to the inner surface of the band 200, the first ECG electrode 300 has a larger contact area with the human body when worn, thereby improving the accuracy of ECG measurement. Wherein, this first ECG electrode 300's part can be fixed in watchband 200 through inserting modes such as establishing, joint, inserts, compare in prior art with this first ECG electrode 300 paste the internal surface at main part 100 through glue, this first ECG electrode 300 is difficult to drop, has promoted its life.

Further, the first ECG electrode 300 and the main board 101 may be electrically connected to the main board 101 through an internal wiring manner of the watch band 200, or may be electrically connected to the main board 101 through an external wiring manner, which is not limited herein.

According to the technical scheme, the first ECG electrode 300 is arranged on the watchband 200, so that the installation space of the first ECG electrode 300 does not need to be reserved in the main body 100, the thickness of the wearing equipment is reduced, and compared with the first ECG electrode 300 arranged on the lower surface of the main body 100, the first ECG electrode 300 arranged on the watchband 200 increases the contact area with the skin of a human body, so that the accuracy of ECG measurement is improved. Taking the wearable device worn on the left wrist of the user as an example, the first ECG electrode 300 is in contact with the left arm, and when the right hand of the user touches the second ECG electrode 400, a loop is formed, and the wearable device detects the human ECG (electrocardiogram).

In one embodiment, as shown in fig. 3 and 4, the first ECG electrodes 300 are in a convex dot shape, and the first ECG electrodes 300 are arranged at intervals along the length direction of the watch band 200; a flexible circuit board 210 is arranged in the watchband 200, the first ECG electrodes 300 are fixed to the flexible circuit board 210 by welding, and the flexible circuit board 210 is electrically connected with the main board 101.

Optionally, when the watch band 200 is worn on the wrist, the contact area between the watch band 200 and the wrist is large, so that the contact area between the wearable device and the human body is greatly increased by arranging the plurality of first ECG electrodes 300 at intervals along the length direction of the watch band 200, and the detection precision is improved. The plurality of first ECG electrodes 300 are fixed on the flexible circuit board 210 by welding and then embedded together on the watchband 200, so as to prevent the first ECG batteries from falling off during long-term use of the wearable device 10. Compared with the mode of using an electric connecting wire and the like, the mode of selecting the flexible circuit board 210 to electrically connect the plurality of first ECG electrodes 300 and the main board 101 has the advantages of small influence on the thickness of the watchband 200, low production cost and higher reliability.

Further, a plurality of first ECG electrodes 300 are in a convex point shape, and are distributed at intervals along the length direction of the watchband 200, so that the circumferential surface of the wrist can be comprehensively contacted, and the contact area between the plurality of first ECG electrodes 300 and the wrist can be optimized according to the actual debugging result, so that the wearing device 10 can achieve better ECG measurement accuracy when being worn loosely.

In one embodiment, the first ECG electrodes 300 are disposed at intervals in the width direction of the watchband 200. It is provided with

Optionally, by additionally providing a plurality of first ECG electrodes 300 in the width direction, the contact area of the first ECG electrodes 300 can be further increased, and the detection accuracy can be improved. The watchband 200 can be provided with 2, 3, 4 first ECG electrodes 300 at intervals along the width direction, and the number of the first ECG electrodes 300 is not limited to one, and a user can design the watchband 200 and the size of the single first ECG electrode 300. In the present embodiment, as shown in fig. 3, taking the plurality of first ECG electrodes 300 spaced along the length direction of the wristband 200 as an example of a set of electrodes, since the wristband 200 has a certain width, the first ECG electrodes 300 are two sets of first ECG electrodes 300 arranged side by side along the width direction of the wristband 200, and the plurality of electrodes are arranged on the flexible circuit board 210 in an array along the length direction of the wristband 200, so as to facilitate the assembly of the first ECG electrodes 300 and the flexible circuit board 210. Of course, in other embodiments, the plurality of first ECG electrodes 300 may be disposed on the flexible circuit board 210 in a scattered manner, which is not limited herein.

In one embodiment, as shown in fig. 4, the first ECG electrode 300 includes a first portion 310 and a second portion 320 which are arranged in a step, a cross-sectional dimension of the first portion 310 along a thickness direction of the watch band 200 is larger than a cross-sectional dimension of the second portion 320 along the thickness direction of the watch band 200, the first portion 310 is welded and fixed to the flexible circuit board 210, and a side of the second portion 320 facing away from the first portion 310 is arranged to protrude relative to an inner surface of the watch band 200. By the design, the first ECG electrode 300 can not fall off after being embedded in the watchband 200, the reliability is higher, and the service life is longer.

Specifically, in the present embodiment, the first ECG electrode 300 is designed in a "convex" shape, and the size of the first portion 310 is larger than that of the second portion 320, so as to increase the connection strength between the first ECG electrode 300 and the flexible circuit board 210. Meanwhile, after the first ECG electrode 300 is embedded in the watch band 200, the surface of one side of the first portion 310, which is away from the flexible circuit board 210, is placed in the watch band 200 to form a clamping position limitation, thereby further preventing the first ECG electrode 300 from being released from the expression. The first portion 310 and the second portion 320 may have a rectangular shape, a cylindrical shape, etc., and the shape thereof is not limited thereto.

In an embodiment, the wearable device 10 further includes a plug-in component, the plug-in component includes a connection seat and a connection head, one of the connection seat and the connection head is disposed on the flexible circuit board 210, and the other is disposed on the motherboard 101, and the connection seat and the connection head are fixedly connected to electrically connect the flexible circuit board 210 and the motherboard 101.

Specifically, in this embodiment, the connecting socket is fixed on the motherboard 101 by welding, the connecting socket has a slot for the connector to be inserted into, one end of the connector is fixed with the flexible circuit board 210 by welding, and the other end is inserted into the slot, so as to electrically connect the flexible circuit board 210 and the motherboard 101.

It should be noted that, the plug assembly herein only serves to electrically connect the flexible circuit board 210 and the main board 101, and in other embodiments of the present invention, other connectors may be used to connect the flexible circuit board 210 and the main board 101, such as a spring, without being limited to the plug assembly. Specifically, as shown in fig. 2 and 4, a slot is provided at one end of the watchband 200 connected to the main body 100, one end of the flexible circuit board 210 extends into the slot, a metal spring sheet adapted to the slot is provided on the main board 101, and when the watchband 200 is mounted on the main body 100, the metal spring sheet is inserted into the slot and connected to the flexible circuit board 210, so that the flexible circuit board 210 and the main board 101 can be electrically connected, and a specific connection structure is not limited herein.

In one embodiment, the surface of the portion of the first ECG electrode 300 extending out of the wristband 200 is a smooth arcuate surface structure.

Because, when in specific use, the first ECG electrode 300 is in contact with the skin of the human body, on the premise of ensuring good contact with the skin of the human body, the first ECG electrode 300 has a smooth arc-shaped surface structure, and the smooth arc-shaped surface structure can protect the skin and avoid discomfort of the human body due to long-term wearing.

In one embodiment, the surface of the portion of the first ECG electrode 300 extending out of the wristband 200 is concave-convex. Thus, the first ECG electrode 300 is more sufficiently in contact with the skin when worn and used, and contact failure or the like does not occur. Specifically, the first ECG electrode 300 is provided with a sunken groove on the surface of the portion extending out of the watch band 200, and the connecting surface between the groove wall of the sunken groove and the surface of the electrode is rounded.

In one embodiment, the main body 100 includes a housing 110 and a cover plate 120, the housing 110 has a mounting groove 111 with an open end, the cover plate 120 covers the open end of the housing 110, the main plate 101 is disposed in the mounting groove 111, and an avoiding opening communicated with the mounting groove 111 is disposed on a sidewall of the housing 110.

Optionally, the cover 120 is a transparent glass cover 120, which covers the upper opening of the housing 110 to limit the main board 101 in the mounting groove 111. The flexible circuit board 210 is arranged in the interlayer inside the watchband 200, and in order to facilitate the electrical connection between the flexible circuit board 210 and the motherboard 101, an avoiding opening is formed in the mounting position on the corresponding surface of the side wall of the casing 110, so that the flexible circuit board 210 passes through the avoiding opening and is arranged in the mounting groove 111 to be communicated with the circuit board, and the processing difficulty of the wearable device 10 is reduced.

It should be noted that, as shown in fig. 2, in order to facilitate the processing of the housing 110, the housing 110 may be divided into two parts, namely a middle shell 112 and a bottom shell 113, which are detachably connected; the bottom of the bottom housing 113 does not need to fix the first ECG electrode 300, and the thickness of the bottom housing 122 can be increased accordingly under the condition that the thickness of the whole housing 110 is constant, so that the bottom housing is not easy to deform.

In an embodiment, the second ECG electrode 400 is disposed on a side wall of the cover plate 120 and/or the housing 110.

Alternatively, the second ECG electrode 400 may be mounted on the cover plate 120 or may be mounted on the side of the housing 110. Taking the wearable device 10 worn on the left wrist of the user as an example, when the first ECG electrode 300 contacts with the left wrist of the human body and the right hand touches the second ECG electrode 400 disposed on the cover plate 120, a loop is formed among the right hand of the human body, the second ECG electrode 400, the main board 101, the first ECG electrode 300, the left hand of the human body, the thoracic heart and the right hand, so as to detect the Electrocardiogram (ECG) of the human body.

When the second ECG electrode 400 is disposed on the side of the housing 110, the side of the housing 110 may be provided with a button 1121, the button 1121 is integrally formed as an electrical component, or the button 1121 is provided with a metal post abutting against the second ECG electrode 400. Therefore, a user can form a conduction loop by pressing the key to start the electrocardiogram detection function.

In other embodiments, the user may also start the ecg detection function by pressing one of the cover 120 and the button, which is not limited herein.

In an embodiment, the wearable device 10 further includes a display screen, and the display screen is disposed on the main body 100 and electrically connected to the main board 101. The display screen may be an LCD screen that can display time, electrocardiogram information, etc.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.

Claims

1. A wearable device, comprising:

the main body is provided with a main board;

a band connected to the body;

the first ECG electrode is embedded in the watchband, the first ECG electrode is arranged in a protruding mode relative to the inner surface of the watchband, and the first ECG electrode is electrically connected with the main board;

2. The wearable device according to claim 1, wherein the first ECG electrode is in a shape of a convex dot, and the first ECG electrode is provided in a plurality at intervals along a length direction of the band;

3. The wearable device according to claim 2, wherein a plurality of the first ECG electrodes are provided at intervals in a width direction of the band.

4. The wearable device according to claim 2, wherein the first ECG electrode includes a first portion and a second portion arranged in a step shape, a cross-sectional dimension of the first portion in a thickness direction of the band is larger than a cross-sectional dimension of the second portion in the thickness direction of the band, the first portion is welded and fixed to the flexible circuit board, and a side of the second portion facing away from the first portion is arranged to protrude with respect to an inner surface of the band.

5. The wearable device of claim 2, further comprising a plug assembly, wherein the plug assembly comprises a connecting seat and a connecting head, one of the connecting seat and the connecting head is disposed on the flexible circuit board, the other one of the connecting seat and the connecting head is disposed on the motherboard, and the connecting head are fixedly connected to electrically connect the flexible circuit board and the motherboard.

6. The wearable device of claim 1, wherein a surface of the portion of the first ECG electrode extending beyond the wristband is a smooth arcuate surface structure.

7. The wearable device of claim 6, wherein a surface of the portion of the first ECG electrode that extends beyond the wristband is concave-convex.

8. The wearable device according to any one of claims 1 to 7, wherein the main body includes a housing and a cover plate, the housing has a mounting groove with an open end, the cover plate covers the open end of the housing, the main board is disposed in the mounting groove, and an avoiding opening communicated with the mounting groove is formed in a side wall of the housing.

9. The wearable device of claim 8, wherein the second ECG electrode is disposed at a side wall of the cover and/or the housing.

10. The wearable device of claim 1, further comprising a display screen disposed on the body and electrically connected to the motherboard.