CN211325007U

CN211325007U - Wearable device

Info

Publication number: CN211325007U
Application number: CN201922292820.3U
Authority: CN
Inventors: 段俊杰
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-25
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a wearable device, which comprises a shell, an optical monitoring module and a light guide piece, wherein the shell is provided with a light hole; the optical monitoring module is arranged in the shell and comprises a light emitting module and a light receiving module; the light guide member includes a first light guide portion and a second light guide portion, the first light guide portion is disposed opposite to the light emitting module, the second light guide portion is disposed opposite to the light receiving module, the first light guide portion guides light in a direction from the light emitting module to the light transmitting hole, and the second light guide portion guides light in a direction from the light transmitting hole to the light receiving module. Above-mentioned scheme can solve present wearable equipment and lead to wearable equipment's outward appearance and waterproof performance relatively poor problem because the trompil is a lot more.

Description

Wearable device

Technical Field

The utility model relates to a communication equipment technical field especially relates to a wearable equipment.

Background

With the advancement of technology, more and more wearable devices (e.g., smart watches, smart bracelets) are being flooded into people's lives. The health monitoring function is a primary function of the wearable device, which is capable of detecting a health indicator of the user, such as a heart rate, in case the user wears the wearable device.

Taking heart rate monitoring as an example, wearable equipment adopts a photoelectric volume pulse scanning method to realize continuous heart rate monitoring. In a specific monitoring process, different tissues of a human body respectively have different absorption and reflection of light, wherein the reflectivity of bones to the light is larger, the absorptivity of blood to the light is larger, the pulsation of the blood is equal to the pulsation frequency of a heart, the pulsation blood can cause the reflectivity of limbs to change periodically, periodic waveforms can be generated on a sensor finally, and the heart rate is calculated by analyzing the waveforms.

The light receiving hole that a plurality of intervals set up or the light emission hole that a plurality of intervals set up is seted up usually on present wearable equipment's the casing, and more trompil can influence wearable equipment's outward appearance and waterproof performance. Meanwhile, the light receiving holes are arranged at intervals, which undoubtedly results in that only a small part of the light is received by the receiving end, and therefore, the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a wearable device to solve present wearable device because the trompil is in large quantity and lead to wearable device's outward appearance and the relatively poor problem of waterproof performance.

In order to solve the above problem, the utility model adopts the following technical scheme:

a wearable device, comprising:

the shell is provided with a light hole;

an optical monitoring module disposed within the housing, the optical monitoring module including a light emitting module and a light receiving module;

a light guide member including a first light guide portion and a second light guide portion, the first light guide portion being disposed opposite to the light emitting module, the second light guide portion being disposed opposite to the light receiving module, the first light guide portion guiding light in a direction from the light emitting module to the light transmissive hole, the second light guide portion guiding light in a direction from the light transmissive hole to the light receiving module.

The utility model discloses a technical scheme can reach following beneficial effect:

the embodiment of the utility model discloses wearable equipment realizes the conduction of setting a light through leaded light spare, can make light pass through the light trap business turn over casing of sharing under the conduction of leaded light spare, under this kind of condition, need not to dispose corresponding light trap for light emission module and light receiving module alone specially, and then can reduce the trompil quantity on the casing, compare in prior art, the reduction of trompil quantity can promote wearable equipment's outward appearance on the casing, can also improve wearable equipment's waterproof performance simultaneously.

Meanwhile, in a specific working process, light is conducted in the light guide piece, so that loss of the light in the conducting process can be reduced, more light can be received by the light receiving module, the utilization rate of the light can be improved, and monitoring efficiency can be improved.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic structural diagram of a wearable device disclosed in an embodiment of the present invention;

fig. 2 is a specific schematic diagram of a partial structure of a wearable device disclosed in an embodiment of the present invention;

fig. 3 is a schematic diagram of a partial structure of a wearable device disclosed in an embodiment of the present invention;

FIG. 4 is a schematic view of a portion of the structure of FIG. 3;

fig. 5 is a schematic diagram of a partial structure of another wearable device disclosed in the embodiment of the present invention;

FIG. 6 is a schematic view of a portion of the structure of FIG. 5;

fig. 7 is a schematic application diagram of a wearable device disclosed in an embodiment of the present invention, and light is illustrated by black arrows in fig. 1 and 7.

Description of reference numerals:

100-shell, 110-bottom cover, 111-light hole, 120-shell main body,

200-optical monitoring module, 210-optical transmitting module, 220-optical receiving module,

300-a light guide member, 310-a first light guide portion, 320-a second light guide portion, 330-a third light guide portion,

400-connecting belt,

500-blood vessel.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. 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.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 7, an embodiment of the present invention discloses a wearable device, which includes a housing 100, an optical monitoring module 200, and a light guide 300.

The housing 100 is provided with a light hole 111, and the wearable device generally further comprises a connecting band 400, wherein the connecting band 400 is connected with the housing 100, so that the whole wearable device can be worn. The optical monitoring module 200 is used for detecting a health indicator of the user, for example, the optical monitoring module 200 may be a PPG module (i.e. photoplethysmography) for detecting a heart rate of the user. The detection process and principle of the optical monitoring module 200 are well known in the art and will not be described herein.

The optical monitoring module 200 is disposed within the housing 100, and the optical monitoring module 200 includes a light emitting module 210 and a light receiving module 220.

The light guide 300 is disposed in the housing 100, and specifically, the light guide 300 is at least partially disposed in the inner cavity of the housing 100. The light guide 300 is used to achieve the conduction of light. In the embodiment of the present invention, the light guide member 300 includes a first light guide part 310 and a second light guide part 320. The first light guide part 310 is disposed opposite to the light emitting module 210, the second light guide part 320 is disposed opposite to the light receiving module 220, and the first light guide part 310 guides light in a direction from the light emitting module 210 to the light transmission hole 111. The second light guide parts 320 guide light in a direction from the light transmission holes 111 to the light receiving module 220.

In a specific monitoring process, light emitted by the light emitting module 210 is projected into the first light guide portion 310, the light passes through the first light guide portion 310 and then enters the body of the user, the light enters the second light guide portion 320 after being reflected by the blood vessel 500 and finally exits through the second light guide portion 320, the light receiving module 220 receives the light exiting from the second light guide portion 320, and the optical monitoring module 200 determines the health index of the user by emitting the difference between the emitted light and the received light.

The embodiment of the utility model discloses wearable equipment realizes the conduction of setting a light through light guide 300, can make light pass through the light trap 111 business turn over casing 100 of sharing under light guide 300's conduction, under this kind of condition, need not specially for the corresponding light trap of optical emission module 210 and the independent configuration of light receiving module 220, and then can reduce the trompil quantity on casing 100, compare in prior art, the reduction of trompil quantity can promote wearable equipment's appearance performance on casing 100, can also improve wearable equipment's waterproof performance simultaneously.

Meanwhile, in a specific working process, light is conducted in the light guide 300, so that loss of light in the conduction process can be reduced, more light can be received by the light receiving module 220, the utilization rate of the light can be improved, and the monitoring efficiency can be improved.

In the embodiment of the present invention, the casing 100 may include a bottom cover 110 and a casing main body 120, and the casing main body 120 is butted against the bottom cover 110, thereby forming an inner cavity of the casing 100. Under this prerequisite, in the preferred scheme, light hole 111 can be seted up on bottom cover 110, and under the condition that the user wore wearable equipment, bottom cover 110 is close to skin, therefore light hole 111 sets up can be undoubtedly more convenient going on of monitoring on bottom cover 110.

As described above, the light guide 300 is at least partially disposed within the housing 100, and in particular, the light guide 300 may be fixed within the housing 100. In a preferred embodiment, the bottom cover 110 and the light guide 300 may be an integral structure, and in this case, the light guide 300 may be installed along with the bottom cover 110, so as to achieve installation, which undoubtedly reduces the disassembling and assembling operations and achieves the purpose of facilitating the disassembling and assembling. Specifically, the light guide 300 may be integrally formed with the bottom cover 110 by two-color injection molding.

In a more preferred embodiment, the light guide member 300 may further include a third light guide part 330, and the first light guide part 310 and the second light guide part 320 are connected by the third light guide part 330. The third light guide part 330 is disposed opposite to the light transmission hole 111. In a specific operation process, light emitted from the light emitting module 210 is projected into the first light guide part 310, and the light sequentially passes through the first light guide part 310 and the third light guide part 330 and then is emitted into the body of the user. The light reflected by the blood vessel 500 enters the third light guide part 330, then enters the second light guide part 320 from the third light guide part 330, and finally is projected into the light receiving module 220. The third light guide parts 330 certainly can further improve the light guide effect of the light guide member 300.

In the embodiment of the present invention, the light guide 300 may be an integrated structure, for example, the light guide 300 may be a glass fiber bending member, as shown in fig. 5 and 6. Of course, the light guide 300 may be a one-piece injection molded structure, as shown in fig. 3 and 4.

Referring to fig. 1 to 7 again, the light guide member 300 may have various specific structures, specifically, one end of the first light guide portion 310 is connected to the third light guide portion 330, and the other end of the first light guide portion 310 is a free end extending toward the light emitting module 210; one end of the second light guide part 320 is connected to the third light guide part 330, and the other end of the second light guide part 320 is a free end extending toward the light receiving module 220. After assembly, the free end of the first light guide part 310 faces the light emitting module 210, and the free end of the second light guide part 320 faces the light receiving module 220, so that the light guide member 300 of the above-described structure does not interfere with the optical monitoring module 200 without affecting light transmission. Specifically, the first light guide portions 310 and the second light guide portions 320 may form an included angle, which is not zero.

In a more preferable aspect, the third light guide part 330 may include a light-transmitting surface facing away from the first light guide part 310 and the second light guide part 320, and the light-transmitting surface may be coplanar with a surface where the outer port of the light-transmitting hole 111 is located. In this case, the light-transmitting surface is a part of the appearance surface of the wearable device, and the light-transmitting surface can be coplanar with the surface where the outer side port of the light-transmitting hole 111 is located, so that the appearance performance and wearing comfort of the wearable device can be improved undoubtedly.

Specifically, the third light guide part 330 may be installed in the light transmission hole 111, and the third light guide part 330 is in sealing fit with the light transmission hole 111, so that the sealing performance of the wearable device can be further improved, and the purpose of improving the waterproof performance of the wearable device is achieved. Specifically, can be provided with sealed glue between third light guide part 330 and the light trap 111 to realize sealed assembly, the embodiment of the utility model provides a do not restrict the sealed cooperation relation between third light guide part 330 and the light trap 111.

In order to improve the detection efficiency, the number of the light emitting modules 210 may be at least two, and the number of the light receiving modules 220 may also be at least two. Each light emitting module 210 is disposed opposite to one first light guide part 310, each light receiving module 220 is disposed opposite to one second light guide part 320, and the number of the third light guide parts 330 is one, in this case, each first light guide part 310 can guide light to the third light guide part 330, and at the same time, the third light guide part 330 can guide light reflected by the blood vessel 500 to each second light guide part 320. In this case, the at least two light emitting modules 210 and the at least two light receiving modules 220 operate simultaneously, which can certainly enlarge the detection area, thereby further improving the detection efficiency.

As described above, the third light guide part 330 can be shared by the first light guide part 310 and the second light guide part 320, light transmitted by the first light guide part 310 passes through the third light guide part 330 and finally enters the body of the user, and light reflected by the blood vessel 500 enters the third light guide part 330 and finally is transmitted to the second light guide part 320 through the third light guide part 330. In order to avoid interference caused by scattering of light rays passing through the third light guide part 330 in different directions, in a preferable embodiment, a partition member may be disposed in the third light guide part 330, and the partition member is configured to partition the third light guide part 330 into a first region and a second region, the first region is disposed opposite to the first light guide part 310, so that light transmitted by the first light guide part 310 passes through the first region and is incident into the blood vessel 500 of the human body. The second region is disposed opposite to the second light guide part 320, so that light reflected by the blood vessel 500 of the human body is transmitted into the second light guide part 320 through the second region. Specifically, the spacer may be a light blocking member that is insert-molded in the third light guide part 330. The light blocking member may be made of a material that is opaque to light.

In order to prevent the harmful effect of the interference light in other directions in the wearable device, light shielding layers may be attached to the outer side surfaces of the first light guide portion 310 and the second light guide portion 320, and specifically, the light shielding layers may be light shielding ink layers.

The embodiment of the utility model provides a wearable equipment can be electronic equipment such as intelligent bracelet, intelligent wrist-watch, belt, hand lace, the embodiment of the utility model provides a do not restrict wearable equipment's specific kind.

The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, then no longer describe here.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A wearable device, comprising:

the shell is provided with a light hole;

2. The wearable device according to claim 1, wherein the housing comprises a bottom cover, and wherein the light-transmissive hole opens in the bottom cover.

3. The wearable device of claim 2, wherein the bottom cover is a unitary structural member with the light guide.

4. The wearable device according to claim 1, wherein the first light guide portion and the second light guide portion are connected by a third light guide portion, the third light guide portion being disposed opposite the light transmissive hole.

5. The wearable device according to claim 4, wherein the light guide is a fiberglass bend or the light guide is an integral injection molded structure.

6. Wearable device according to claim 4, wherein one end of the first light guiding part is connected to the third light guiding part and the other end of the first light guiding part is a free end extending towards the light emitting module; one end of the second light guiding portion is connected to the third light guiding portion, and the other end of the second light guiding portion is a free end extending toward the light receiving module.

7. The wearable device of claim 4, wherein the third light guide includes a light-transmissive surface facing away from the first light guide and the second light guide, the light-transmissive surface being coplanar with a surface of the light-transmissive hole at which the outboard port is located.

8. The wearable device according to claim 4, wherein the third light guide is mounted within the light-transmissive hole and the third light guide is in sealing engagement with the light-transmissive hole.

9. Wearable device according to claim 4, wherein the number of third light guides is one, the number of light emitting modules or/and light receiving modules is at least two, each light emitting module being arranged opposite one first light guide and each light receiving module being arranged opposite one second light guide.

10. Wearable device according to any of claims 1 to 9, characterized in that the optical monitoring module is a PPG module.