CN217159963U

CN217159963U - Head-mounted device

Info

Publication number: CN217159963U
Application number: CN202122615560.6U
Authority: CN
Inventors: 矫珊珊
Original assignee: Weifang Goertek Electronics Co Ltd
Current assignee: Weifang Goertek Electronics Co Ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-08-09
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to a head-mounted device, which comprises a head display, a supporting belt and a loudspeaker module; the supporting belt is connected to the head display and is used for fixing the head display on the head of a human body; the loudspeaker module is provided with a sound outlet, the loudspeaker module is arranged on the supporting belt and faces towards the human ear, and the shape of the loudspeaker module is matched with that of the supporting belt. The utility model discloses a set up the speaker module on the braced belt of head-mounted apparatus, and make the sound outlet of speaker module is towards the people's ear, on the basis that does not increase the whole size of head-mounted apparatus for the tone quality and the loudness of the speaker that the people's ear heard obtain promoting.

Description

Head-mounted device

Technical Field

The utility model relates to an electronic equipment technical field, more specifically, the utility model relates to a head-mounted apparatus.

Background

A head-mounted device is an electronic device that can be worn on a human head, such as a VR (virtual reality) device, an AR (augmented reality) device, or the like.

For the wearing comfort of products, the head-mounted equipment tends to be small and light in weight, but the small and light in weight design limits the size and space of the whole product and influences the improvement of other functions of the product. For example, in the actual use process, the audio playing function of the head-mounted device is particularly important for the experience of the whole device, and the small-sized and light-weight design of the product can reduce the volume of the speaker for audio playing, which affects the improvement of the sound quality.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a head-mounted device to solve at least one problem in the background art.

According to an aspect of the present invention, there is provided a head-mounted device, including:

the head display comprises a head display and a supporting belt, wherein the supporting belt is connected to the head display and is used for fixing the head display on the head of a human body;

the loudspeaker module, the loudspeaker module has the sound outlet, the loudspeaker module set up in on the support band, and make the sound outlet is towards the human ear, the shape of loudspeaker module with the shape phase-match of support band.

Optionally, the speaker module further has a rear sound chamber, the support belt has a cavity portion, and the rear sound chamber is communicated with the cavity portion.

Optionally, one end of the support belt is a hard bandage, the other end of the support belt is a soft bandage, the hard bandage is connected with the head display, and the soft bandage can be attached to the head of a human body; the cavity part is arranged on the hard binding belt, and the loudspeaker module is arranged on the hard binding belt.

Optionally, the inner side surface of the hard binding band is an arc surface, and the speaker module is attached to the arc surface.

Optionally, the speaker module is embedded in the hard bandage, and the sound outlet is exposed from the hard bandage.

Optionally, a groove structure is arranged on the hard binding band, and the speaker module is embedded in the groove structure.

Optionally, the speaker module further has a rear acoustic cavity, the head display has a cavity, and the rear acoustic cavity is communicated with the cavity.

Optionally, the speaker module includes a housing and a speaker unit, the speaker unit is disposed in the housing, and the sound outlet is located on the housing.

Optionally, one end of the casing close to the ear is an arc structure, and the sound outlet extends along the arc structure.

Optionally, the speaker unit has two speaker units, and the two speaker units are arranged side by side and electrically connected to each other.

Optionally, a sound outlet channel is further arranged inside the shell, the two loudspeaker units are arranged at one end of the sound outlet channel, the other end of the sound outlet channel is communicated with the sound outlet hole, and sound emitted by the two loudspeaker units is transmitted to the sound outlet hole through the sound outlet channel.

The utility model discloses a technological effect lies in, through set up the speaker module on the supporting band at head-mounted apparatus, and make the sound outlet of speaker module is towards the people's ear, on the basis that does not increase the whole size of head-mounted apparatus for tone quality and loudness of the speaker that the people's ear heard are promoted.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic view of a head-mounted device of the present application worn on a head.

Fig. 2 is a schematic diagram of a positional relationship between a sound outlet hole of a speaker module and a human ear when the head-mounted device of the present application is worn on a head.

Fig. 3 is a schematic diagram of the connection of the speaker module and the head display.

Fig. 4 is an external structural schematic diagram of the speaker module of the present application.

Fig. 5 is a schematic diagram of an internal structure of the speaker module of the present application.

Description of reference numerals:

1. displaying the images at the head; 2. a support band; 21. a hard strap; 22. a soft binding band; 3. a speaker module; 31. a sound outlet; 32. a rear acoustic chamber; 33. a housing; 34. a speaker unit; 35. a sound outlet channel; 36. connecting holes; 4. the human ear.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 to 5, according to an aspect of the present invention, there is provided a head-mounted apparatus, comprising a head display 1, a support band 2 and a speaker module 3, wherein the support band 2 is connected to the head display 1, and the support band 2 is used for fixing the head display 1 on the head of a human body; the speaker module 3 has a sound outlet 31, the speaker module 3 is disposed on the support band 2 and makes the sound outlet 31 face the human ear 4, and the shape of the speaker module 3 matches with the shape of the support band 2.

In this embodiment, the head-mounted device includes a head display 1 and a support band 2, the head display 1 is a short for head-mounted display device, and different effects such as Virtual Reality (VR), Augmented Reality (AR), Mixed Reality (MR) and the like can be realized by transmitting optical signals to eyes by different methods through various head-mounted display devices. In the prior art, due to the demand for more and more miniaturization of the head display 1, the sound quality and loudness of the speaker module 3 are limited. This application is through setting up speaker module 3 on supporting band 2 to the sound hole 31 is towards the direction of people's ear 4, as shown in fig. 1 to fig. 2, has drawn close the distance of speaker module 3 and people's ear 4, has promoted the loudness and the tone quality of speaker, further promotes to immerse and feels, has improved the experience of whole first apparent 1 equipment.

In addition, in this embodiment, the shape of the speaker module 3 matches with the shape of the support band 2, that is, when the external shape of the speaker module 3 is the device, the speaker module 3 can be designed to fit the shape of the support band 2, as shown in fig. 1, when the support band 2 is a long strip, the speaker module 3 can be designed to be a long strip in fig. 2 correspondingly, and the speaker module is attached to the inner side of the support band 2, so that the volume of the head-mounted device is not increased significantly while the loudness and the tone quality of the speaker module 3 are improved.

Optionally, the speaker module 3 further has a rear sound chamber 32, and the support band 2 has a cavity portion, and the rear sound chamber 32 communicates with the cavity portion.

Specifically, the volume of the rear acoustic cavity 32 of the speaker module 3 determines the resonant frequency of the electroacoustic device therein, which has an important influence on the acoustic performance and the sound quality effect of the speaker module 3. In this embodiment, the supporting strap 2 has a cavity portion, and communicates the rear sound cavity 32 of the speaker module 3 with the cavity portion, so that the volume of the rear sound cavity 32 of the speaker can be increased, the low-frequency response is improved, and the overall volume of the head-mounted device cannot be increased.

Optionally, one end of the support belt 2 is a hard band 21, the other end is a soft band 22, the hard band 21 is connected with the head display 1, and the soft band 22 can be attached to the head of a human body; the cavity portion is provided on the hard band 21, and the speaker module 3 is provided on the hard band 21.

Specifically, the support bands 2 are used to fix the head display 1 on the head of a human body, and if the support bands 2 are too hard, the comfort is lowered, and if they are too soft, it may be difficult to support the head display 1 when the head display 1 is large in size or heavy in weight. The support band 2 in this embodiment is close to the first apparent 1 one end and sets up to the effect of hard bandage 21, can play support and fixed effect to the first apparent 1, and in addition, the hard bandage 21 also has certain supporting role to speaker module 3, and easily designs the cavity portion that is used for communicating with back sound cavity 32. As shown in fig. 1, the end of the support band 2 away from the head display 1 is provided with a soft band 22, which improves the wearing comfort and enables the user to adjust the head data. The hard strap 21 may be made of hard plastic or the like, or may be made of the same material as the casing of the head display 1, so as to reduce the cost. The soft band 22 may be made of a material that is easy to bend, so that the user can adjust, fasten, etc. the support band 2 according to actual needs, so as to be attached to the head of the human body. The material of the hard band 21 or the soft band 22 is not particularly limited in the present application.

Optionally, the inner side surface of the hard binding band 21 is an arc surface, and the speaker module 3 is attached to the arc surface.

Specifically, when the speaker module 3 is disposed on the hard bandage 21, the inner side (i.e., the side close to the human body) of the hard bandage 21 may be set to be in an arc shape, and the speaker module 3 is matched with the shape thereof, that is, the housing of the speaker module 3 may also be designed to be in an arc shape matched with the arc shape and attached to the inner side thereof. This kind of design mode can make human head relatively more comfortable when touchhing hard bandage 21 on the one hand, and the wholeness of speaker module 3 and hard bandage is also stronger, makes the outward appearance more pleasing to the eye.

Optionally, the speaker module 3 is embedded in the hard band 21, and the sound outlet 31 is exposed from the hard band 21. Optionally, a groove structure is arranged on the hard binding band 21, and the speaker module 3 is embedded in the groove structure. The speaker module 3 is embedded in the groove structure to reduce the whole volume of the head-mounted device.

Specifically, in the present embodiment, the speaker module is embedded in the hard binding band 21, and may be embedded in its entirety or partially, and is selected according to the structure of the hard binding band 21 and the specific structure of the speaker module 3. The sound outlet 31 may be exposed to the hard band 21, that is, in one embodiment, when the speaker module 3 is disposed in the groove structure, the sound outlet 31 may be disposed to protrude from the speaker module 3, or the sound outlet 31 of the speaker may be disposed outside the hard band 21 to be exposed to the groove structure. In another embodiment, a cavity structure may be dug in the hard binding band 21, a through hole may be formed in the hard binding band in a direction close to the ear of the person, the speaker module 3 may be completely embedded in the cavity structure, and the sound outlet hole 31 may transmit sound to the ear of the person through the formed through hole.

Hard bandage 21 is close to and shows 1 at the head, sets up speaker module 3 and can make speaker module 3 and human head keep certain distance on hard bandage 21, avoids in the use, and speaker module 3 scrapes the head of rubbing the human body, and both the influence is worn and is experienced, influences the sound producing effect of speaker again. In this embodiment, the speaker module 3 and the hard bandage 21 can be detachably connected, so that the speaker module is convenient to maintain when the speaker is damaged, and the maintenance cost is reduced. The speaker module 3 and the hard binding band 21 may be assembled by fasteners such as screws, or may form a matching relationship by a structural shape, and the specific form is not limited in this application.

Optionally, the speaker module 3 further has a rear sound cavity 32, the head display 1 has a cavity, and the rear sound cavity 32 is communicated with the cavity.

Specifically, as shown in fig. 3, the rear acoustic cavity 32 of the speaker module 3 may also be communicated with the cavity of the head display 1, and the head display 1 is a main structure of the whole head-mounted device, and the cavity of the head display can increase the space of the whole rear acoustic cavity 32 to a greater extent, so as to improve low-frequency response and further improve the sound quality of the speaker module 3. Wherein, the partial space that is not provided with electric elements of head show 1 inside can be regarded as the cavity need not to be special and additionally to reserve the cavity in head show 1 inside, avoids increasing the volume of head show 1. As shown in fig. 3, for a structural schematic diagram of the communication between the speaker module 3 and the head display 1, the position of the rear sound cavity 32 on the speaker module 3 is provided with a connecting hole 36, the connecting hole 36 is directly connected with the head display 1, the whole head display 1 is taken as a part of the rear sound cavity 32, the volume of the rear sound cavity 32 is increased, and the sound production effect is improved. Wherein, a sound leakage hole can be designed near the connecting hole 36 of the rear sound cavity 32 for balancing the pressure of the rear sound cavity and the external environment.

Optionally, the speaker module 3 includes a housing 33 and a speaker unit 34, the speaker unit 34 is disposed in the housing 33, and the sound outlet 31 is located on the housing 33.

Specifically, as shown in fig. 5, the speaker module 3 includes a housing 33 and a speaker unit 34. The speaker unit 34 is disposed in the housing 33, on one hand, the housing 33 can protect the speaker unit 34, and on the other hand, the housing 33 can integrate the parts of the speaker unit 34 into a whole, so as to facilitate the detachment of the speaker module 3 from the support band 2. For example, in one embodiment, when the speaker module 3 is embedded on the hard band 21, the whole structure of the speaker module 3 is facilitated to be matched with the hard band 21. In addition, the module of the speaker needs to match with the shape of the supporting band 2, and the housing 33 can be specially designed according to actual requirements, so as to realize various connection forms with the supporting band 2. For example, in the above-mentioned embodiment with the hard binding band 21, the hard binding band 21 may be sleeved with the outer shape thereof, or may be embedded in the hard binding band 21 to match the structure shape of the hard binding band 21 for embedding the housing 33.

Optionally, the housing 33 has an arc structure at an end thereof adjacent to the human ear 4, and the sound outlet hole 31 extends along the arc structure.

Specifically, as shown in fig. 4 to 5, one end of the housing 33 of the speaker module 3 is an arc-shaped structure, and the sound outlet 31 extends along the arc-shaped structure to form the arc-shaped sound outlet 31. The sound hole 31 is towards people's ear 4, and curved sound hole 31 can make speaker module 3 realize directive property's vocal effect, gathers sound through 4 auricles of people's ear, promotes the sense of volume of direct sound, makes the sound effect that people's ear 4 heard better ideal. As shown in fig. 2, the direction of the arrow is the propagation route of the sound of the speaker module 3 through the sound outlet hole 31. In this embodiment, the sound outlet 31 may extend along only one side of the arc structure, as shown in fig. 3 to 5, and the position of the sound outlet 31 is in the lower half of the arc structure. This kind of structural style can make the directive property of sound propagation direction more clear and definite, avoids scattering and disappearing of sound, further promotes the loudness of 3 voices of speaker module, promotes the user and feels to the immersion of sound.

Alternatively, the speaker unit 34 has two speaker units 34, and the two speaker units 34 are disposed side by side and electrically connected to each other.

Specifically, as shown in fig. 5, two speaker units 34 are provided, and the two speaker units 34 can be connected in parallel or in series according to actual requirements, so as to further improve the sound effect of the speaker module 3. In this embodiment, the speaker module 3 is disposed on the supporting strap 2, and the supporting strap 2 is generally a strip-shaped structure, and the external shape of the speaker module 3 is also configured as a strip. The speaker unit 34 is located inside the speaker module 3, i.e. inside the housing 33, and can be configured to be long and narrow or track-shaped to match the shape of the speaker module 3, i.e. the shape of the housing 33. This structural design not only saves the space for arrangement inside the housing 33, but also enables the rear acoustic cavity 32 of the entire module to be enlarged.

Optionally, a sound outlet channel 35 is further disposed inside the housing 33, two of the speaker units are disposed at one end of the sound outlet channel 35, the other end of the sound outlet channel 35 is communicated with the sound outlet hole 31, and sound emitted by the two of the speaker units 34 is transmitted to the sound outlet hole 31 through the sound outlet channel 35.

Specifically, as shown in fig. 5, two speaker monomers 34 all need to have the structure of making a sound to guide the sound that it sent to the hole 31 of making a sound, through the passageway 35 that makes a sound alright realize the common sound generating function of two devices, further saved the inside arrangement space of casing 33, increased the sound convergence of the whole sound production of speaker module 3. The sound channel is connected with the sound outlet 31, guides the sound of two generator monomers to the outside of the loudspeaker module 3, points to the direction of the human ear 4, and realizes the effect of improving the sound quality and the loudness.

Optionally, the speaker unit 34 is disposed at an end of the casing 33 close to the human ear 4, and an end of the casing 33 far from the human ear 4 is the rear sound cavity 32 of the speaker module 3. Referring to fig. 2 and 5, the sound outlet 31 of the speaker module 3 faces the human ear 4, the speaker unit 34 needs to be disposed at an end close to the human ear 4, and correspondingly, the rear sound cavity 32 needs to be disposed at an end far from the human ear 4. In the present embodiment, the end remote from the human ear 4, i.e., the end close to the head display 1, facilitates the arrangement and assembly when the rear sound chamber 32 is communicated with the head display 1. In addition, in this application, if the back sound chamber 32 with speaker module 3 with support area 2 or head show 1 intercommunication, can set up sealing members such as sealing washer in the junction, avoid speaker module 3 to leak sound, influence the sound producing effect.

In the above embodiments, the differences between the embodiments are described in emphasis, and different optimization features between the embodiments can be combined to form a better embodiment as long as the differences are not contradictory, and further description is omitted here in consideration of brevity of the text.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A head-mounted device, comprising:

the head display and the supporting belt are connected to the head display, the supporting belt is used for fixing the head display on the head of a human body, one end of the supporting belt is a hard binding belt, the other end of the supporting belt is a soft binding belt, the hard binding belt is connected with the head display, and the soft binding belt can be attached to the head of the human body;

the speaker module, the speaker module has the sound outlet, the speaker module set up in on the hard bandage, and make the sound outlet is towards the people's ear, the shape of speaker module with the shape phase-match of supporting the area.

2. The headset of claim 1 wherein the speaker module further has a rear acoustic chamber, the support strap having a cavity portion, the rear acoustic chamber communicating with the cavity portion.

3. The headset of claim 2 wherein the cavity portion is disposed on the hard strap.

4. The head-mounted apparatus according to claim 3, wherein the inner side surface of the hard strap is a curved surface, and the speaker module is disposed to fit the curved surface.

5. The head-mounted apparatus according to claim 3, wherein the speaker module is embedded in the hard band, and the sound outlet hole is exposed to the hard band.

6. The headset of claim 5, wherein the hard strap is provided with a groove structure, and the speaker module is embedded in the groove structure.

7. The head-mounted apparatus according to claim 1, wherein the speaker module comprises a housing and a speaker unit, the speaker unit is disposed in the housing, and the sound outlet is located on the housing.

8. The headset of claim 7 wherein an end of the housing proximate the human ear is an arcuate structure, the sound outlet extending along the arcuate structure.

9. The headset of claim 7, wherein the speaker module has two speaker units, and the two speaker units are disposed side by side and electrically connected to each other.

10. The head-mounted apparatus according to claim 9, wherein a sound outlet channel is further disposed inside the housing, two of the speaker units are disposed at one end of the sound outlet channel, the other end of the sound outlet channel is communicated with the sound outlet, and sound emitted by the two speaker units is transmitted to the sound outlet through the sound outlet channel.