WO2021208207A1

WO2021208207A1 - Balanced type audio glass legs and audio glasses

Info

Publication number: WO2021208207A1
Application number: PCT/CN2020/093134
Authority: WO
Inventors: 徐宝宝; 涂昕
Original assignee: 深圳市深科创投科技有限公司
Priority date: 2020-04-14
Filing date: 2020-05-29
Publication date: 2021-10-21
Also published as: CN111458904A

Abstract

Disclosed are balanced type audio glass legs and audio glasses. Each of the balanced type audio glass legs, comprising a housing, and a control board, a battery, and a loudspeaker which are provided in the housing. The control board, the battery, and the loudspeaker are provided in the housing, and the gravity center of the whole glass leg is located on the projection of the battery in the vertical direction. The loudspeaker is provided in the housing by means of a provided support. The control board, the battery, and the loudspeaker in the present application are provided between a glass leg hinge point and an ear contact point, the battery is provided at the middle position, the gravity center of the whole glass leg is kept on the vertical projection of the battery, and the gravity center is stable. The support is provided between the loudspeaker and the housing, so that resonance between the housing and the loudspeaker is avoided. When the glass legs and a glass frame form the audio glasses, due to the fact that the gravity centers of the two glass legs are stable and the vibration of the loudspeaker and the vibration of the housing cannot resonate, the good stability of the audio glasses is guaranteed under the combination of the two glass legs and the glass frame, and shaking is avoided.

Description

A balanced audio mirror leg and audio glasses

This application is based on a Chinese patent application with an application number of 202010289943.6 and an application date of April 14, 2020, and claims its priority. The entire content of this application is hereby incorporated into this application as a whole.

Technical field

This application relates to the technical field of wearable devices, and more specifically to a balanced audio temple and audio glasses.

Background technique

Existing glasses with audio playback function are generally provided with batteries, control boards, speakers, etc., and usually the setting is that the battery is installed on one of the temples and the control board is installed on the other temples. Because the weight of the battery and the weight of the control board are not equal, the weight of the battery is usually greater than the weight of the control board, so the weight of the two temples will be unequal, and the center of gravity will be unstable. In addition, the speakers in many temples on the market are directly installed on the shell. During the playback process, the speakers rely on vibration to produce sound, which will cause the speaker and the temples to resonate, which will affect the sound quality performance. As a result, the amplitude of the entire glasses is unbalanced, which makes people feel uncomfortable to wear.

Application content

The purpose of this application is to overcome the shortcomings of the prior art and provide a balanced audio temple and audio glasses.

In order to achieve the above objectives, this application adopts the following technical solutions:

A balanced audio temple includes a shell, a control board, a battery and a horn arranged in the shell; the control board, battery and the horn are all arranged in the shell, and the center of gravity of the entire temple is located in the vertical direction of the battery Projection; the horn is installed in the housing through a bracket provided.

The further technical solution is that the housing is provided with a front sound cavity at the sound output end of the horn; the front sound cavity is provided with a sound hole; and the sound hole is located on the lower side of the housing.

The further technical solution is that the housing is provided with a rear sound cavity at the rear end of the horn; and the rear sound cavity is provided with an air inlet.

A further technical solution is that a partition is formed between the bracket and the inner wall of the housing, so that the front sound cavity and the rear sound cavity are mutually isolated.

Its further technical solution is that a sealing layer is provided between the outer circumference of the horn and the inner wall of the housing.

The further technical solution is: the housing is provided with a mounting cavity for installing the battery; the housing is also provided with a receiving cavity for fixing the control board; the front sound cavity and the rear sound cavity are both connected to the mounting cavity or the receiving cavity Isolated.

The further technical solution is: the housing includes an upper housing and a lower housing; the lower housing is provided with a cavity; the horn is installed in the cavity of the lower housing so that the rear end of the horn and the inner wall of the lower housing form the The rear sound cavity; the front sound cavity is formed between the front end of the horn, the inner wall of the lower shell and the inner wall of the upper shell.

The further technical solution is that: the upper shell and the sound output end surface of the horn form an installation angle, so that the sound emitted by the horn is reflected by the upper shell and then propagates out of the sound hole.

The further technical solution is that: the housing is located at the position of the sound hole and is provided with a bulge in the direction of sound output of the sound hole; the bulge is of an arc-shaped structure, and the sound hole is arranged on the arc-shaped structure.

An audio spectacle includes the above-mentioned balanced audio spectacle leg and a spectacle frame hinged with the balanced audio spectacle leg.

Compared with the prior art, the beneficial effect of the present application is that the control board, battery and horn of the present application are arranged between the hinge point of the eyeglasses and the ear contact point, the battery is set in the middle position, and the center of gravity of the entire eyeglasses is kept on In the vertical projection of the battery, the center of gravity is stable; a bracket is set between the speaker and the shell to avoid resonance between the shell and the speaker. The vibration of the horn will not resonate through the connection of the speaker bracket and the shell. The combination of the two ensures the stability of the audio glasses and avoids shaking. Through the design of different sound hole positions and opening sizes, plus the design of the sound guide cavity, the front and rear sound chambers of the horn emit sound through the sound holes, and the positive and negative sound waves generated are within a certain range from the ear canal. Form the sound wave cancellation effect, reduce the sound exposure.

The above description is only an overview of the technical solution of this application. In order to understand the technical means of this application more clearly, it can be implemented in accordance with the content of the specification, and in order to make the above and other purposes, features and advantages of this application more obvious and understandable, the following Specific preferred embodiments are described in detail as follows.

Description of the drawings

Figure 1 is a diagram of the internal structure of a balanced audio temple of the application;

Figure 2 is a cross-sectional view at A-A of Figure 1;

Figure 3 is a front view of a balanced audio temple of the application;

Figure 4 is a cross-sectional view and a partial enlarged view at B-B of Figure 3;

Figure 5 is a cross-sectional view at B-B of Figure 3;

Figure 6 is a side view of a balanced audio temple of the application;

FIG. 7 is a three-dimensional structure diagram of an audio glasses of this application.

Detailed ways

In order to make the purpose, technical solutions, and advantages of this application clearer, the following further describes this application in detail with reference to the accompanying drawings and specific implementations.

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative work shall fall within the protection scope of this application.

In the description of this application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" and other directions or positions indicated The relationship is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore It cannot be understood as a restriction on this application.

In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, "multiple" means two or more than two, unless otherwise specifically defined.

In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense. For example, they may be connected or detachable. Or integrated; it can be a mechanical connection, or it can be an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood according to specific circumstances.

In this application, unless expressly stipulated and defined otherwise, the "on" or "under" of the first feature of the second feature may include direct contact between the first and second features, or may include the first and second features Not in direct contact but through other features between them. Moreover, the "above", "above" and "above" of the first feature on the second feature include the first feature directly above and obliquely above the second feature, or it simply means that the first feature is higher in level than the second feature. The “below”, “below” and “below” of the second feature of the first feature include the first feature directly below and obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.

In the description of this specification, descriptions with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean specific features described in conjunction with the embodiment or example , The structure, materials, or characteristics are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above-mentioned terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification.

This embodiment provides a balanced audio temple Q. Please refer to FIGS. 1 to 5, which includes a housing 10, a control board 11, a battery 13, and a speaker 12 arranged in the housing 10. The control board 11, the battery 13 and the horn 12 are all arranged between the contact point between the housing 10 and the ear and the connection point between the housing 10 and the mirror frame, and the center of gravity of the entire temple is located on the projection of the battery 13 in the vertical direction. The control board 11 is arranged close to the end where the housing 10 is connected to the lens frame, the horn 12 is arranged close to the end of the contact point between the housing 10 and the ear, and the battery 13 is located between the horn 12 and the control board 11. The horn 12 is installed in the housing 10 through a bracket 21 provided. A partition is formed between the bracket 21 and the inner wall of the housing 10 to separate the front sound cavity 102 corresponding to the sound end of the speaker 12 and the rear sound cavity 104 corresponding to the rear end of the speaker 12 from each other.

Preferably, the bracket 21 is an elastic sheet, so that a certain vibration can be absorbed, so that the vibration transmitted from the horn 12 to the housing 10 is reduced.

One end of the shell 10 of the temple is hinged to the frame, and the shell 10 has a contact point with the ear. The housing 10 also has an extension 16 from the ear contact point to the rear side, so that the temple structure can be firmly worn. The extension 16 has an arc-shaped structure and is stuck on the back side of the ear of the human body. Preferably, the weight and length of the extension 16 can adjust the center of gravity of the entire temple.

The housing 10 is provided with a fixing cavity 101 for fixing the horn 12 close to the ear contact point. The fixed cavity 101 is a flat cavity. After installation, the sound end of the horn 12 faces the wearer's head after installation.

The housing 10 is provided with a front sound cavity 102 at the sound output end of the horn 12. The front sound cavity 102 is provided with a sound hole 103. The sound hole 103 is located at the lower end of the housing 10, and the sound hole 103 faces the wearer's ear, so that most of the sound of the speaker 12 can be transmitted to the ear.

Preferably, since the output end of the horn 12 faces the head of the wearer, the horn 12 is installed sideways, and the volume of the horn is relatively large, so the housing 10 extends toward the lower side, so that the sound hole 103 is located on the front side of the ear And lean toward the ear hole, so that most of the energy of the horn 12 can be transmitted to the ear, achieving the effect of directional sound.

The housing 10 is provided with a rear sound cavity 104 at the rear end of the horn 12. The rear sound cavity 104 is provided with an air inlet 105. When the horn 12 is working, the rear end of the horn 12 moves, which will squeeze the air, and the air inlet 105 can enable the rear sound cavity 104 to remove the air pressure generated by the movement.

Preferably, the air inlet 105 is positively opposed to the rear end of the horn 12 and is arranged on the rear side of the lower shell 1002. There are multiple air intake holes 105, and there are five in this embodiment, which increase the output of medium and high frequency sound and increase the outdoor experience.

The housing 10 is provided with an installation cavity 107 for installing the battery 13. The housing 10 is also provided with a receiving cavity 108 for fixing the control board 11. Both the front sound cavity 102 and the rear sound cavity 104 are isolated from the installation cavity 107 or the accommodating cavity 108, and the sound output effect of the speaker 12 is not affected.

Preferably, the accommodating cavity 107 and the accommodating cavity 108 can be connected together.

Among them, the center of gravity of the temples is located on the projection of the battery 13 in the vertical direction, and the center of gravity is approximately located in the middle of the temples, making it easier to control the balance of the temples. More importantly, it balances the force between the contact point between the glasses leg and the ear and the contact point between the frame and the bridge of the nose, which will reduce the discomfort caused by the squeezing of the bridge of the nose and ears when worn. During playback, the vibration of the speaker 12 will not cause the entire glasses to shake. Sometimes when the loudspeaker 12 plays a loud sound, the vibration of the loudspeaker 12 is also strengthened, which will cause the entire glasses to vibrate unbalanced. This kind of unbalanced vibration causes a feeling of discomfort when worn. The center of gravity of the two temples is stabilized on the vertical projection of the battery 13, so that the center of gravity of the entire glasses will be stabilized, and the balance will be better, so no matter how you move or are in a different posture after wearing, they can remain stable.

Preferably, referring to FIGS. 1 and 6, the lower edge of the housing 10 is provided with a charging contact 14, so that after the spectacle frame and the spectacle legs are folded, the spectacle legs can be charged. The charging contact 14 is electrically connected to the control board 11.

More preferably, there are two charging contacts 14 which are respectively charging pins. The charging spring pin has a certain elasticity to avoid poor contact of the charging contacts 14.

Preferably, a magnet block 15 is provided close to the charging contact 14, so that the connector of the charging cable and the charging contact 14 are in better contact, and charging is more convenient.

There can also be two magnet blocks 15 arranged on both sides of the charging contacts 14, and one of the magnet blocks 15 has a south pole toward the outer end, and the other magnet block 15 has a north pole toward the outer end. At the same time, the charging cable The connector of the lens corresponds to the magnet block 15 on the temple of the eyeglasses, which can prevent the charging cable from being connected to the charging contact 14 on the temple of the eyeglasses.

Preferably, the size and number of the magnet blocks 15 and the size of the charging contacts 14 can be used to adjust the center of gravity of the entire temple, and adjust the size and number of the two according to the actual center of gravity.

More preferably, the size and number of the magnet blocks 15 and the size of the charging contacts 14 combined with the weight and length of the extension 16 can effectively control the center of gravity of the entire temple.

Because the weight of the two audio temple structures Q is basically the same, and the position of the center of gravity is the same, it makes the wearing process more comfortable and reduces the unbalanced vibration of the temple during the playing of the speaker 12.

The battery 13 is arranged between the speaker 12 and the control board 11 so that the center of gravity falls on the projection of the battery 12 in the vertical direction. After the audio mirror leg structure Q is connected with the mirror frame Q1, audio glasses are formed. Since the two audio mirror leg structures Q are the same, the weight and the center of gravity are the same, so that the audio glasses are more balanced when worn. During the playback of the speaker 12, it is strengthened. The stability of the glasses.

Referring to FIGS. 3 and 4, the outer periphery of the horn 12 and the inner wall of the housing 10 are sealed, and the front sound cavity 102 and the rear sound cavity 104 have a better isolation effect. More preferably, glue or soft material is filled between the outer circumference of the horn 12 and the inner wall of the housing 10 to form the sealing layer 22. The sealing layer 22 provides a buffer between the horn 12 and the housing 10 and prevents the housing 10 and the horn 12 from resonating when the horn 12 is working.

Among them, the bracket 21 is a ring structure. The horn 12 is fixed inside the ring structure. The contact point between the bracket 21 and the horn 12 is surface contact, which improves the sealing performance and also makes the horn 12 more firmly fixed.

Please refer to FIG. 4, a cavity 23 is provided in the housing 10. The bracket 21 is fixed in the cavity 23, and the horn 12 is also placed in the cavity 23.

Preferably, the cavity 23 includes a cylindrical cavity 231 and a tapered cavity 232. The bracket 21 is provided at the junction of the tapered cavity 232 and the cylindrical cavity 231 to fix the bracket 21. The rear end of the horn 12 is placed in the tapered cavity 232 so that a back sound cavity 104 is formed between the inner wall of the tapered cavity 232 and the rear end of the horn 12.

3 and 4, the front end of the horn 12 and the inner wall of the housing 10 form the front sound cavity 102. The front sound cavity 102 is provided with a sound hole 103. When the user puts on the spectacles, the sound hole 103 is located on the front side of the ear and close to the position of the ear hole.

Specifically, referring to FIGS. 3 and 4, the housing 10 includes an upper housing 1001 and a lower housing 1002. The above-mentioned cavity 23 is provided in the lower shell 1002. The horn 12 is installed in the cavity 23 of the lower shell 1002 so that the rear end of the horn 12 and the inner wall of the lower shell 1002 form the rear sound cavity 104.

The front sound cavity 102 is formed between the front end of the speaker 12, the inner wall of the lower shell 1002 and the inner wall of the upper shell 1001. The front sound cavity 102 is provided with a sound hole 103, and the sound hole 103 is located on one side of the lower shell 1002.

Please refer to Figures 3, 4, and 5, the upper shell 1001 and the sound end surface of the speaker 12 are formed with an installation angle a, so that the sound emitted by the speaker 12 is reflected by the upper shell 1001 and then propagated from the sound hole 103, which can improve The reflection in the middle and high frequency bands, and the sound is output through the sound outlet 103. Preferably, the installation angle a is 1° to 20°. In this embodiment, the installation angle a is 6.5°, the sound directional effect is better, and the experience is better in a noisy outdoor environment. Wherein, the horn 12 is laterally installed in the temples, and the output end faces the head of the human body. The sound hole 103 is provided on the lower edge of the housing 10 so that the sound hole 103 can face the ear hole when it is worn.

Preferably, referring to FIGS. 1 and 3, the housing 11 is located at the position of the sound outlet 103 and has a raised portion 17 facing the sound outlet direction of the sound outlet 103. The protruding portion 17 has an arc structure, and the sound hole 103 is arranged on the arc structure, so that the sound hole 103 is also an arc hole. When the user wears the spectacles, the raised portion 17 can extend as far as possible to the ear hole, so that the sound of the speaker 12 can be directed to the ear. At the same time, the extension 17 is arranged to make the cavity 23 for installing the horn 12 as large as possible, so that a more powerful horn 12 can be installed.

Please refer to FIG. 1, the housing 10 is further provided with an auxiliary cavity 106 communicating with the rear sound cavity 104. The auxiliary cavity 106 is provided under the battery and is provided on the lower edge of the casing 10. The auxiliary cavity 106 is located on the lower edge of the housing 10 with a sound auxiliary hole 1061. When in use, a part of the rear end of the speaker 12 can propagate through the narrow auxiliary cavity 106 and then propagate out from the sound auxiliary hole 1061, in front of the ear A sound field is formed, and surround sound is formed with the sound hole 103 to increase the surround sound effect. Moreover, the long and narrow auxiliary cavity 106 is beneficial to absorb noise of a specific wavelength at the rear end of the horn 12. In addition, the air inlet 105 at the rear end of the horn 12 forms a sound field around the ears of the user, which strengthens the anti-interference and increases the effect of directional sound.

Specifically, the front sound cavity 102 and the rear sound cavity 104 do not interfere with each other inside the housing 10, and most of the sound of the speaker 12 passes through the front sound cavity 102 and then propagates from the sound hole 103 to the ear hole, forming a dominant sound at the ear hole. Part of the sound at the rear end of the horn 12 propagates through the air inlet 105 to form an external sound field; another part of the sound at the rear end of the horn 12 travels through the auxiliary cavity 106 from the sound auxiliary hole to the front of the ear, and in the ear The front side forms the front sound field. The external sound field, the front sound field and the main sound field interact to form a surround sound effect. Wherein, the sound outlet direction of the air inlet 105 at the rear end of the horn 12 and the sound outlet 103 of the front sound cavity 102 form an included angle of 80° to 90°. Under normal circumstances, the sound propagated in the air inlet 105 and the sound outlet 103 has a certain distance outside the ear, which has the effect of interference. The forward and reverse sound waves can cancel each other to avoid sound leakage and reduce the interference to the surrounding people. At the close distance of the ear hole, there is the effect of sound superposition, which makes the sound have a certain directional strengthening effect.

At present, most of the open audio glasses on the market are due to design defects such as cavity structure design, speaker placement angle design, and sound hole position design, which cause the sound to diverge to the surroundings, and the exposed sound more interferes with the surrounding people, and the sound quality Underperformance. The configuration of the front sound cavity 102, the rear sound cavity 104, and the auxiliary cavity 106 of the present application can achieve better sound quality performance, enhance the sound near the ear canal, and reduce the exposure of sound at a certain distance away from the ear canal.

Please refer to FIGS. 1 and 6, an audio glasses including the above-mentioned temple Q and a glasses frame Q1 hinged to the temple Q. There are two glasses legs Q, which are symmetrically arranged at the two ends of the glasses frame Q1.

Compared with the prior art, the control board 11, the battery 13 and the horn 12 of the present application are arranged between the hinge point of the temple Q and the ear contact point, and the battery 13 is arranged in the middle position, and the center of gravity of the entire temple is kept on the battery. In the vertical projection of, the center of gravity is balanced and stable; a bracket 21 is provided between the horn 12 and the housing 10 to avoid resonance between the housing 10 and the horn 12. When the eyeglass legs Q and the eyeglass frame Q1 form audio glasses, since the center of gravity of the two eyeglass legs Q is balanced and stable, and the vibration of the speaker 12 does not resonate with the housing 10, the combination of the two ensures good stability of the audio glasses , To avoid resonance and discomfort caused by uneven vibration. The horn 12 and the shell 10 of the temples are connected by a bracket 21, and a sealing layer 22 is provided between the horn 12 and the shell 10, so that the front sound cavity 102 and the rear sound cavity 104 are isolated from each other without interfering with each other, reducing Resonance, the sound output is more pure, the sound effect is better, and the installation is convenient; the interaction between the sound outlet 103 of the front sound cavity 102 and the sound hole 105 of the rear sound cavity 104, within a certain distance range, the forward and reverse sound waves can be Cancel each other and reduce the leakage of sound.

The above only uses examples to further illustrate the technical content of this application for easier understanding of readers, but it does not mean that the implementation of this application is limited to this. Any technical extension or re-creation made according to this application shall be subject to this application. protection of. The scope of protection of this application is subject to the claims.

Summary of the invention

technical problem

The solution to the problem

The beneficial effects of the invention

Claims

A balanced audio temple, comprising a shell, a control board, a battery and a speaker arranged in the shell; characterized in that the control board, battery and speaker are all arranged in the shell, and the center of gravity of the entire temple is located in the battery On the vertical projection; the horn is arranged in the housing through a bracket provided.
A balanced audio temple according to claim 1, wherein the housing is provided with a front sound cavity at the sound output end of the horn; the front sound cavity is provided with a sound outlet; and the sound outlet The hole is located on the underside of the housing.
The balanced audio temple according to claim 2, wherein the housing is provided with a rear sound cavity at the rear end of the horn; and the rear sound cavity is provided with an air inlet.
The balanced audio temple according to claim 3, wherein a partition is formed between the bracket and the inner wall of the housing, so that the front sound cavity and the rear sound cavity are separated from each other.
The balanced audio temple according to claim 1, wherein a sealing layer is provided between the outer periphery of the speaker and the inner wall of the housing.
A balanced audio temple according to claim 3, wherein the housing is provided with a mounting cavity for installing a battery; the housing is also provided with an accommodating cavity for fixing the control board; the front Both the sound cavity and the rear sound cavity are isolated from the installation cavity or the accommodating cavity.
A balanced audio temple according to claim 3, wherein the housing includes an upper shell and a lower shell; the lower shell is provided with a cavity; the speaker is installed in the cavity of the lower shell , So that the rear end of the horn and the inner wall of the lower shell form the rear sound cavity; the front sound cavity is formed between the front end of the horn, the inner wall of the lower shell and the inner wall of the upper shell.
A balanced audio mirror leg according to claim 7, wherein the upper shell and the sound end surface of the speaker form an installation angle, so that the sound emitted by the speaker is reflected by the upper shell and then emerges from the sound. The hole spreads out.
A balanced audio temple according to claim 8, wherein the housing is located at the position of the sound hole and is provided with a bulge in the direction of the sound of the sound hole; the bulge is arc-shaped Structure, and the sound hole is arranged on the arc structure.
An audio glasses, characterized by comprising the balanced audio spectacles as claimed in any one of claims 1 to 9, and a spectacle frame hinged to the balanced audio spectacles.