CN111458904A - Balanced type audio glasses leg and audio glasses - Google Patents

Abstract

The invention discloses a balanced audio glasses leg and audio glasses. A balanced audio glasses leg comprises a shell, a control panel, a battery and a loudspeaker, wherein the control panel, the battery and the loudspeaker are arranged in the shell; the control panel, the battery and the loudspeaker are arranged in the shell, and the center of gravity of the whole glasses leg is positioned on the projection of the battery in the vertical direction; the loudspeaker is arranged in the shell through the arranged support. The control board, the battery and the loudspeaker are arranged between the hinge point of the glasses legs and the contact point of the ears, the battery is arranged in the middle position, the gravity center of the whole glasses legs is kept to fall on the vertical projection of the battery, and the gravity center is stable; a bracket is arranged between the horn and the shell, so that resonance between the shell and the horn is avoided. When audio frequency glasses are formed by the glasses legs and the glasses frame, the audio frequency glasses are guaranteed to have good stability and avoid shaking due to the fact that the gravity centers of the two glasses legs are stable and the vibration of the loudspeaker and the shell do not resonate.

Description

A balanced audio temple and audio glasses

technical field

The invention relates to the technical field of wearable devices, in particular to a balanced audio temple and audio glasses.

Background technique

The existing glasses with audio playback function are generally provided with a battery, a control board, a speaker, etc., and the battery is usually installed on one of the temples, and the control board is installed on the other temple. Since the weight of the battery is not equal to the weight of the control board, the weight of the battery is usually larger than that of the control board, so the weight of the temples on both sides 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, since the speakers rely on vibration to produce sound, the speakers and the temples will resonate, which will affect the sound quality performance. It causes the amplitude of the whole glasses to be unbalanced, making people feel uncomfortable wearing them.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies of the prior art and provide a balanced audio temple and audio glasses.

To achieve the above object, the present invention adopts the following technical solutions:

A balanced audio temple includes a shell, a control board, a battery and a speaker arranged in the shell; the control board, the battery and the speaker are all arranged in the shell, and the center of gravity of the entire temple is located at the vertical direction of the battery. on the projection; the horn is arranged in the casing through the provided bracket.

A further technical solution is: the housing is provided with a front sound cavity at the sound outlet end of the horn; the front sound cavity is provided with a sound outlet hole; the sound outlet hole is located on the lower side of the housing.

Its further technical scheme is as follows: the casing is located at the rear end of the horn and is provided with a rear sound cavity; the rear sound cavity is provided with an air intake hole.

A further technical solution is that a partition is formed between the bracket and the inner wall of the shell, so that the front sound cavity and the rear sound cavity are separated from each other.

Its further technical scheme is as follows: a sealing layer is arranged between the outer periphery of the horn and the inner wall of the casing.

Its further technical scheme is: the casing is provided with an installation cavity for installing the battery; the casing is further provided with a accommodating cavity for fixing the control board; the front sound cavity and the rear sound cavity are connected with the installation cavity or the accommodating cavity. isolated.

Its further technical scheme is: the casing includes an upper casing and a lower casing; the lower casing is provided with a concave cavity; the horn is installed in the concave cavity of the lower casing, so that the rear end of the horn and the inner wall of the lower casing 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.

A further technical solution is: the upper shell and the sound outlet end face of the speaker form an installation angle, so that the sound emitted by the speaker is reflected by the upper shell and then propagates out of the sound outlet hole.

A further technical solution is that: the shell is located at the position of the sound outlet and is provided with a raised portion toward the sound outlet direction of the sound outlet; the raised portion is an arc structure, and the sound outlet is arranged on the arc structure.

An audio glasses, comprising the above-mentioned balanced audio temples, and a frame hinged with the balanced audio temples.

Compared with the prior art, the present invention has the following beneficial effects: the control board, the battery and the horn of the present invention are arranged between the hinge point of the temple and the contact point of the ear, the battery is arranged in the middle position, and the center of gravity of the whole temple is kept on On the vertical projection of the battery, the center of gravity is stable; a bracket is arranged between the speaker and the shell to avoid resonance between the shell and the speaker. The vibration of the audio glasses will not resonate through the connection between 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, coupled with the design of the sound guide cavity, the front and rear sound cavities of the speaker emit sound through the sound holes, and the generated positive and negative sound waves are within a certain range from the ear canal. Forms a sound wave cancellation effect and reduces the exposure of sound.

The above description is only an overview of the technical solution of the present invention. In order to understand the technical means of the present invention more clearly, it can be implemented in accordance with the content of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable, the following A preferred embodiment is given, and the detailed description is as follows.

Description of drawings

Fig. 1 is the internal structure diagram of a kind of balanced audio frequency temple of the present invention;

Fig. 2 is the sectional view at the A-A place of Fig. 1;

3 is a front view of a balanced audio temple of the present invention;

Fig. 4 is a sectional view and a partial enlarged view of the B-B place of Fig. 3;

Fig. 5 is the sectional view at the B-B place of Fig. 3;

6 is a side view of a balanced audio temple of the present invention;

FIG. 7 is a three-dimensional structural diagram of an audio glasses according to the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore It should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood in a broad sense, for example, it may be a connection or a detachable connection, It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms should not be construed as necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine the 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 casing 10 , a control board 11 , a battery 13 and a speaker 12 disposed in the casing 10 . The control board 11 , the battery 13 and the speaker 12 are all arranged between the contact point between the shell 10 and the ear and the connection point between the shell 10 and the mirror frame, and the center of gravity of the entire temple is located on the vertical projection of the battery 13 . The control board 11 is disposed near the end of the casing 10 connected to the mirror frame, the speaker 12 is disposed near the contact point of the casing 10 and the ear, and the battery 13 is located between the speaker 12 and the control board 11 . The horn 12 is installed in the housing 10 through a bracket 21 provided thereon. A partition is formed between the bracket 21 and the inner wall of the housing 10 , so that the front sound cavity 102 corresponding to the sound output end of the speaker 12 and the rear sound cavity 104 corresponding to the rear end of the speaker 12 are partitioned from each other.

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

One end of the shell 10 of the temple is hinged with the frame, and the shell 10 has a contact point with the ear. The shell 10 also has an extension 16 from the ear contact point to the rear side, so that the temple structure can be worn securely. The extension part 16 is an arc-shaped structure, and is stuck behind the ear of the human body. Preferably, the weight and length of the extension portion 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 near the ear contact point. The fixed cavity 101 is a flat cavity, and after installation, the sound outlet end of the speaker 12 faces the wearer's head.

The casing 10 is provided with a front sound cavity 102 at the sound output end of the speaker 12 . The front sound cavity 102 is provided with a sound outlet hole 103 . The sound outlet 103 is located at the lower end of the housing 10, and the sound outlet 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 sound outlet end of the speaker 12 faces the position of the wearer's head, the speaker 12 is installed sideways, and the volume of the speaker is relatively large, so the housing 10 extends toward the lower side, so that the sound outlet hole 103 is located on the front side of the ear And it is close to the position of the ear hole, so that most of the energy of the speaker 12 can be transmitted to the ear, so as to achieve the effect of directional sound.

The housing 10 is provided with a rear sound cavity 104 at the rear end of the speaker 12 . The rear sound chamber 104 is provided with an air intake hole 105 . When the horn 12 is working, the rear end of the horn 12 moves and squeezes the air, and the air inlet 105 enables the rear sound cavity 104 to release the air pressure generated by the movement.

Preferably, the air intake hole 105 is directly opposite to the rear end of the horn 12 and is disposed on the rear side of the lower casing 1002 . There are a plurality of air intake holes 105, five in this embodiment, to increase the output of medium and high frequency sound, and to increase the outdoor experience.

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

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

The center of gravity of the temples is located on the vertical projection of the battery 13, and the center of gravity is located approximately in the middle of the temples, which makes it easier to control the balance of the temples. More importantly, the contact point between the temple and the ear and the contact point between the frame and the bridge of the nose are balanced, which will reduce the discomfort caused by the bridge of the nose and the ear being squeezed when wearing. 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 loudspeaker 12 also vibrates more strongly, which will cause the whole glasses to vibrate unbalanced. The unbalanced vibration causes people to feel uncomfortable when wearing them. 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 different postures after wearing, they can remain stable.

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

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

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

There can also be two magnet blocks 15, which are arranged on both sides of the charging contact 14, and the polarity of one magnet block 15 toward the outer end is the south pole, and the polarity of the other magnet block 15 toward the outer end is the north pole. The connector on the temple corresponds to the magnet block 15 on the temple, which can prevent the charging cable from being reversely connected with the charging contact 14 on the temple.

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 the size and number of the two can be adjusted 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 portion 16 can effectively control the center of gravity of the entire temple.

Because the weights of the two audio temple structures Q are basically equal, and the positions of the centers of gravity are the same, the wearing process is more comfortable, and the unbalanced vibration of the temples is reduced during the playback process 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 temple structure Q is connected with the frame Q1, audio glasses are formed. Since the two audio temple structures Q are the same, and the weight and center of gravity are the same, the force of the audio glasses is more balanced when wearing, and during the playback of the speaker 12, the enhanced The stability of the glasses.

Referring to FIGS. 3 and 4 , the outer circumference of the speaker 12 is sealed with the inner wall of the housing 10 , and the insulation effect between the front sound cavity 102 and the rear sound cavity 104 is better. More preferably, glue or soft material is filled between the outer periphery 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 casing 10 , and when the horn 12 is working, the casing 10 and the horn 12 are prevented from resonating.

Wherein, the bracket 21 is an annular structure. The horn 12 is fixed inside the annular structure. The contact between the bracket 21 and the horn 12 is in surface contact, which improves the sealing performance and also makes the horn 12 more firmly fixed.

Referring to FIG. 4 , a cavity 23 is provided inside the casing 10 . The bracket 21 is fixed in the cavity 23 , and the horn 12 is also placed in the cavity 23 .

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

Referring to FIGS. 3 and 4 , the front end of the speaker 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 outlet hole 103 . When the user wears the glasses legs, the sound outlet hole 103 is located on the front side of the ear and is close to the ear hole.

Specifically, please refer to FIGS. 3 and 4 , the casing 10 includes an upper casing 1001 and a lower casing 1002 . The aforementioned concave cavity 23 is provided in the lower case 1002 . The speaker 12 is installed in the cavity 23 of the lower shell 1002 , so that the rear end of the speaker 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 outlet hole 103 , and the sound outlet hole 103 is located on one side of the lower shell 1002 .

Please refer to FIGS. 3 , 4 and 5 , the upper casing 1001 and the sound outlet end face of the speaker 12 are formed with an installation angle a, so that the sound emitted by the speaker 12 is reflected from the upper casing 1001 and propagates out of the sound outlet hole 103 , which can improve the The reflection of the medium and high frequency band, 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°, so that the directional effect of sound output is better, and the experience in an outdoor noisy environment is better. Wherein, the speaker 12 is laterally installed in the temple, and the sound output end faces the head of the human body. The sound outlet 103 is arranged on the lower edge of the casing 10 so that when wearing, the sound outlet 103 can face the ear hole.

Preferably, referring to FIGS. 1 and 3 , the housing 11 is located at the position of the sound outlet 103 and is provided with a raised portion 17 toward the sound outlet direction of the sound outlet 103 . The raised portion 17 is an arc-shaped structure, and the sound outlet hole 103 is arranged on the arc-shaped structure, so that the sound outlet hole 103 is also an arc-shaped hole. When the user wears the glasses leg, the raised portion 17 can extend as far as possible to the ear hole, so that the sound of the speaker 12 can be directionally transmitted to the ear. At the same time, the arrangement of the extension portion 17 enables the cavity 23 for installing the horn 12 to be as large as possible, so that the horn 12 with higher power 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 below the battery and on the lower edge of the casing 10 . The auxiliary cavity 106 is located at the lower edge of the housing 10 and is provided with an auxiliary sound hole 1061. When in use, a part of the sound at the rear end of the speaker 12 can be transmitted through the narrow and long auxiliary cavity 106 and then spread out from the auxiliary sound hole 1061, in front of the ear. A sound field is formed, and a surround sound is formed with the sound outlet 103 to increase the surround sound effect. Moreover, the long and narrow auxiliary cavity 106 is beneficial to absorb the noise of a specific wavelength at the rear end of the speaker 12 . In addition, the air inlet 105 at the rear end of the speaker 12 acts to form a sound field around the user's ear, which enhances 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 casing 10, and most of the sound from the sound end of the speaker 12 passes through the front sound cavity 102 and then propagates from the sound hole 103 to the ear hole, forming the main sound at the ear hole. A part of the sound at the rear end of the horn 12 propagates through the air intake hole 105, forming an external sound field on the outside of the ear; another part of the sound at the rear end of the horn 12 propagates from the auxiliary cavity 106 to the front of the ear through the auxiliary cavity 106, and is 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.

The sound outlet direction of the air inlet hole 105 at the rear end of the speaker 12 and the sound outlet hole 103 of the front sound cavity 102 form an included angle of 80° to 90°. Under normal circumstances, the sound transmitted by the air inlet hole 105 and the sound outlet hole 103 is at a certain distance outside the ear, which has the effect of interference. The positive and negative sound waves can cancel each other, 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, so that it has a certain directional strengthening effect on the sound.

As for most open audio glasses on the market, many design defects such as cavity structure design, speaker placement angle design, and sound hole position design cause the sound to radiate to the surroundings, and the exposed sound interferes with the surrounding people, and the sound quality Underperformance. The arrangement of the structures such as the front sound cavity 102 , the rear sound cavity 104 , and the auxiliary cavity 106 of the present invention can achieve better sound quality performance, enhance the sound near the ear canal, and reduce the sound exposure in a certain distance range away from the ear canal.

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

Compared with the prior art, the control board 11, the battery 13 and the speaker 12 of the present invention are arranged between the hinge point of the temple Q and the ear contact point, the battery 13 is arranged in the middle position, and the center of gravity of the whole temple is kept on the battery. On the vertical projection of , the center of gravity is balanced and stable; a bracket 21 is arranged between the speaker 12 and the housing 10 to avoid resonance between the housing 10 and the speaker 12 . When the glasses legs Q and the glasses frame Q1 form the audio glasses, since the center of gravity of the two glasses legs Q is balanced and stable, and the vibration of the speaker 12 and the casing 10 will not resonate, the combination of the two ensures the stability of the audio glasses. , to avoid resonance and discomfort caused by uneven vibration. The speaker 12 and the shell 10 of the temple are connected by a bracket 21, and a sealing layer 22 is arranged between the speaker 12 and the shell 10, so that the front sound cavity 102 and the rear sound cavity 104 are isolated from each other, do not interfere with each other, reduce Resonance, the sound 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 sound energy of forward and reverse sound waves They cancel each other out to reduce sound leakage.

The above only uses examples to further illustrate the technical content of the present invention, so that readers can understand it more easily, but it does not mean that the embodiments of the present invention are limited to this. Any technical extension or re-creation made according to the present invention is subject to the protection of. The protection scope of the present invention is subject to the claims.

Claims (10)

1. A balanced audio glasses leg comprises a shell, a control panel, a battery and a loudspeaker, wherein the control panel, the battery and the loudspeaker are arranged in the shell; the glasses are characterized in that the control board, the battery and the loudspeaker are all arranged in the shell, and the center of gravity of the whole glasses leg is positioned on the projection of the battery in the vertical direction; the loudspeaker is arranged in the shell through the arranged support.

2. The balanced audio temple of claim 1 wherein said housing has a front cavity at the sound outlet end of the speaker; the front sound cavity is provided with a sound outlet hole; the sound outlet hole is located on the lower side of the shell.

3. The balanced audio temple according to claim 2 wherein said housing has a rear acoustic cavity at the rear end of the speaker; the back sound cavity is provided with an air inlet.

4. The balanced audio temple of claim 3 wherein the bracket is spaced from the interior wall of the housing to isolate the front and rear acoustic chambers from each other.

5. The balanced audio temple of claim 1 wherein a seal is disposed between the outer perimeter of said speaker and the inner wall of said housing.

6. The balanced audio temple according to claim 3 wherein said housing defines a mounting cavity for mounting a battery; the shell is also provided with an accommodating cavity for fixing the control panel; the front sound cavity and the rear sound cavity are isolated from the mounting cavity or the accommodating cavity.

7. The balanced audio temple of claim 3 wherein said housing comprises an upper shell and a lower shell; the lower shell is provided with a concave cavity; the loudspeaker is arranged in the concave cavity of the lower shell, so that the rear end of the loudspeaker and the inner wall of the lower shell form the rear sound cavity; the front sound cavity is formed among the front end of the loudspeaker, the inner wall of the lower shell and the inner wall of the upper shell.

8. The balanced audio temple of claim 7 wherein the top housing forms an included angle with the sound outlet end of the speaker such that sound from the speaker is reflected from the top housing and then transmitted through the sound outlet.

9. The balanced audio temple according to claim 8, wherein said housing is located at the sound outlet and has a protrusion toward the sound outlet; the bulge is of an arc-shaped structure, and the sound outlet holes are arranged on the arc-shaped structure.

10. Audio glasses, characterized in that they comprise a balanced audio temple according to any one of claims 1 to 9, and a frame hinged to the balanced audio temple.

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