CN209861145U - Reflection cone and audio equipment - Google Patents
Reflection cone and audio equipment Download PDFInfo
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- CN209861145U CN209861145U CN201921178070.0U CN201921178070U CN209861145U CN 209861145 U CN209861145 U CN 209861145U CN 201921178070 U CN201921178070 U CN 201921178070U CN 209861145 U CN209861145 U CN 209861145U
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Abstract
The utility model provides a reflection awl and audio equipment. The utility model comprises a reflecting plate, wherein the reflecting plate comprises a reflecting surface which is arranged in a convex way towards the direction of the loudspeaker and forms a cone tip on the reflecting surface; the reflecting surface is provided with at least one sound hole which penetrates through the reflecting plate. The utility model discloses a reflecting plate is the direction protrusion setting towards the speaker, it has a plane of reflection to set up the sound hole on the plane of reflection, the sound that is transmitted out by the speaker reflects through the plane of reflection awl, because the setting of sound hole on the plane of reflection, can produce a trough on its frequency response curve, this just offsets each other with the crest that produces on the original frequency response curve of reflection awl, make its frequency response curve smoother, the tone quality effect of gained audio equipment is better, the phenomenon of distortion has been avoided, the sound that transmits out is three-dimensional full; the reflecting cone has the advantages of reasonable structure, easy manufacture, no additional increase of parts, no increase of the volume of audio equipment, low cost, economy and practicality.
Description
Technical Field
The utility model relates to an acoustics technical field especially relates to a reflection awl and audio equipment.
Background
Loudspeakers are an extremely important component of the overall audio system and are responsible for the key task of converting electrical signals into sound signals for human ear listening. Traditional audio equipment drives air vibration through the sound wave that the speaker sent and spreads sound, and this kind of audio equipment's sound directly sends from the speaker, can only give off towards a direction for the holistic third dimension of sound is relatively poor, needs the cooperation of a plurality of audio equipment just can produce the stereoeffect. In addition, when the speaker is used, the listener hears a large volume and a good sound quality at a position facing the speaker, and a small volume, a poor sound quality and a large distortion at a position away from the speaker.
Some audio equipment with reflecting cones also appear in the prior art, and the sound emitted by the audio equipment is emitted towards the periphery of the audio equipment through the arrangement of the reflecting cones, so that the stereoscopic impression of the sound emitted by the audio equipment is improved. However, the reflection cone has the function of a pipeline, and the arrangement of the reflection cone enables a frequency response curve of the audio equipment to generate a peak in a certain frequency band, so that the frequency response curve fluctuates greatly, the distortion effect of the audio equipment is very obvious, and the effect of the tone quality of the audio equipment is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reflection awl and audio equipment aims at solving among the current audio equipment because the use of reflection awl leads to the very obvious problem of audio equipment's distortion effect.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
in one aspect, the present invention provides a reflection cone, which includes a reflection plate, wherein the reflection plate includes a reflection surface, the reflection surface is disposed to protrude outward toward a speaker, and a cone tip is formed on the reflection surface; at least one sound hole is arranged on the reflecting surface and penetrates through the reflecting plate.
In a preferred embodiment, the reflection cone further includes a bottom plate, the bottom plate and the reflection plate combine to form a cone cavity, and the sound hole penetrates through the reflection plate to communicate the cone cavity with air.
As a preferred embodiment, a sound guide channel is formed between the reflection surface and the speaker, the sound guide channel is communicated with the cone cavity through the sound hole, and the sound guide channel is communicated with air.
As a preferred embodiment, a transition plate and a mounting plate are further sequentially arranged on the reflecting plate in the circumferential direction of one end far away from the conical tip, and both the transition plate and the mounting plate are arranged in an annular shape; the bottom of the mounting plate is provided with a mounting seat, and one side of the mounting plate is provided with a notch matched with the bottom plate; the reflecting plate is arc-shaped, the transition plate is arc-shaped, the upper surface of the mounting plate is an arc-shaped surface, and the arc radius of the reflecting plate is larger than that of the transition plate.
In a preferred embodiment, the sound holes are radially distributed along the reflecting surface with the cone tip as a center.
In a preferred embodiment, the axial direction of the sound hole is perpendicular to the reflection surface, or the axial direction of the sound hole is parallel to the outward convex direction of the cone tip.
As a preferred embodiment, the diameter of the sound holes comprises 0.5-2 mm.
As a preferred embodiment, the number of sound holes comprises 1-20.
In a preferred embodiment, a surface of the speaker opposite to the reflecting surface is concave so as to be opposite to the cone tip.
In another aspect, the present invention further provides an audio device, including a speaker and a reflection cone, wherein the reflection cone includes a reflection plate, the reflection plate includes a reflection surface, the reflection surface is disposed to protrude outward toward the speaker, and a cone tip is formed on the reflection surface; at least one sound hole is arranged on the reflecting surface and penetrates through the reflecting plate.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a reflecting plate is the direction protrusion setting towards the speaker, it has a plane of reflection, and set up the sound hole on the plane of reflection, the sound that is transmitted out by the speaker reflects through the plane of reflection awl, because the setting of sound hole on the plane of reflection, can produce a trough on its frequency response curve, this just offsets each other with the crest that produces on the original frequency response curve of reflection awl, therefore make its frequency response curve smoother, the tone quality effect of the audio equipment of gained is better, the phenomenon of distortion has been avoided, the sound that transmits out is three-dimensional plump, the frequency channel is not lacked, do not lick in ear; the reflecting cone has the advantages of reasonable structure, easy manufacture, no additional increase of parts, no increase of the volume of audio equipment, low cost, economy and practicality.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of a sound box provided by the present invention;
FIG. 2 is a schematic perspective view of the mesh enclosure of FIG. 1 with the mesh enclosure removed;
FIG. 3 is a schematic view of a three-dimensional connection structure between the speaker and the reflection cone in FIG. 2;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is a schematic plan sectional view of FIG. 3;
FIG. 6 is an enlarged view of the reflection cone of FIG. 4;
FIG. 7 is a bottom perspective view of FIG. 6;
FIG. 8 is a schematic top plan view of the structure of FIG. 6;
in the figure: 10-a base; 11-a printed circuit board; 20-mesh enclosure; 30-a loudspeaker; 31-a housing; 32-a flat diaphragm; 33-a magnet; 40-a reflection cone; 41-a reflector plate; 42-a transition plate; 43-a mounting plate; 44-a sound hole; 45-conical cavity; 46-a mounting seat; 47-notch; 48-sound guide channel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "inside", "outside", "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 8, the audio device provided in this embodiment includes an intelligent speaker, an electronic device such as a smart television and the like having a speaker to implement audio processing or audio playing functions, and in order to help understanding of the present invention, the audio device provided in this embodiment may include an intelligent speaker.
The sound box comprises a base 10, a reflecting cone 40 and a loudspeaker 30, wherein the sound box is placed on the table top through the base 10 so as to be stably placed; a printed circuit board 11 is arranged inside the base 10, and components required by various sound boxes can be arranged on the printed circuit board 11, so that the functions of the sound boxes are increased; the printed circuit board 11 is connected with a reflection cone 40, the reflection cone 40 comprises a reflection plate 41, a transition plate 42 and a mounting plate 43, the reflection plate 41 comprises a reflection surface, the reflection surface is convexly arranged towards the direction of the loudspeaker 30, and a cone tip is formed on the reflection surface; the reflecting surface is provided with at least one sound hole 44, and the sound hole 44 penetrates through the reflecting plate 41; the reflection cone 40 further includes a bottom plate, in this embodiment, the printed circuit board 11 also has a function of the bottom plate, that is, the bottom plate is the printed circuit board 11, the bottom plate is combined with the reflection plate 41 to form a cone cavity 45, the sound hole 44 penetrates through the reflection plate 41 to communicate the cone cavity 45 with air, a sound guide channel 48 is formed between the reflection surface and the speaker 30, the sound guide channel 48 is communicated with the cone cavity 45 through the sound hole 44, and the sound guide channel 48 is communicated with air. The upper surface of the reflection cone 40 is a reflection surface, and the lower surface of the reflection cone 40 forms a cone cavity 45, or in other words, the reflection surface of the reflection cone 40 faces the speaker 30; loudspeaker 30 includes shell 31, the inside of shell 31 has a cavity, install dull and stereotyped vibrating diaphragm 32 and magnet 33 etc. in this cavity, loudspeaker 30 is current structure, it is no longer repeated here, dull and stereotyped vibrating diaphragm 32 has certain distance apart from reflection awl 40 and forms sound channel 48, reflection awl 40 is installed on base 10, the upper surface of reflection awl 40 is the plane of reflection, the plane of reflection is towards loudspeaker 30, loudspeaker 30 is the indent setting with the relative one side of plane of reflection, it is relative with the awl point, reflecting plate 41 protrusion sets up between base 10 and loudspeaker 30's shell 31, leave out the sound hole between loudspeaker 30's shell 31 and the base 10, the outside of going out the sound hole is equipped with screen panel 20.
Referring to fig. 4 to 8, the reflecting plate 41 of the reflecting cone 40 is arc-shaped, the arc protrudes toward the loudspeaker 30, one side of the protruding arrangement is a reflecting surface, the other side of the protruding arrangement is a cone cavity 45, the highest point of the reflecting plate 41 is a cone tip, the reflecting plate 41 is provided with a plurality of sound holes 44, the sound holes 44 are radially distributed along the reflecting surface by taking the cone tip as a center, the axial direction of the sound holes 44 is perpendicular to the reflecting surface, or the axial direction of the sound holes 44 is parallel to the outward protruding direction of the cone tip, that is, the sound holes 44 are cylindrical, the upper, middle and lower sides of the sound holes 44 are kept at a certain size, and the sound holes 44 are uniformly arranged on. Referring to fig. 6 to 8, the number of the acoustic holes 44 on the reflection cone 40 is usually 1-20, the number of the acoustic holes 44 on the reflection cone 40 may be set according to actual conditions, or other numbers, such as 30, 40, 60, 70, etc., and changing the number of the acoustic holes 44 on the reflection plate 41 may obviously change the positions of the troughs generated on the sound box frequency response curve; in this embodiment, the number of the sound holes 44 is 5. The diameter of the acoustic hole 44 on the reflection cone 40 is usually 0.5-2mm, the material of the reflection cone 40 is hard plastic or metal, the diameter of the acoustic hole 44 is set according to actual conditions, the acoustic hole 44 is a hole with a diameter not less than 0.1mm, of course, the diameter of the acoustic hole 44 can be other sizes, the setting needs to be carried out according to the size of the loudspeaker 30, and the position and the shape of the trough generated on the frequency response curve of the sound box can be obviously changed by changing the diameter of the acoustic hole 44. The depth of the sound hole 44 on the reflection cone 40, that is, the thickness of the reflection plate 41, and changing the depth of the sound hole 44, that is, the thickness of the reflection plate 41, can also significantly change the position and shape of the trough generated on the frequency response curve of the sound box, and usually, the thickness of the reflection plate 41 is not less than 0.1 mm.
Referring to fig. 4 to 8, the transition plate 42 and the mounting plate 43 of the reflection cone 40 are sequentially arranged in the circumferential direction of the reflection plate 41, that is, the transition plate 42 and the mounting plate 43 are further sequentially arranged in the circumferential direction of the end of the reflection plate 41 away from the cone tip, and both the transition plate 42 and the mounting plate 43 are arranged in a ring shape. The reflecting plate 41 is connected with the mounting plate 43 through the transition plate 42, the reflecting plate 41 is arc-shaped, the transition plate 42 is arc-shaped, the upper surface of the mounting plate 43 is arc-shaped, the whole reflecting cone 40 is composed of three parts, of which the reflecting plate 41 is positioned at the middle and protrudes most; secondly, a transition plate 42 is arranged, the transition plate 42 is smoothly connected with the reflecting plate 41 and the mounting plate 43, and the arc radius of the reflecting plate 41 is larger than that of the transition plate 42. The bottom of the mounting plate 43 is provided with a mounting seat 46, one side of the mounting plate 43 is provided with a notch 47 matched with the bottom plate, namely the printed circuit board 11, the notch 47 is arranged to facilitate the connection between the printed circuit board 11 and the reflection cone 40, and the mounting plate 43 is mounted on the base 10 through the mounting seat 46. Generally, the height of the reflecting cone 40 and the diameter of the cone have a proportional relationship, particularly with respect to the acoustic design of the audio device.
Compared with the prior art, the beneficial effects of the utility model are that: the reflecting plate 41 of the present invention is protruded toward the direction of the speaker 30, and has a reflecting surface, and a sound hole 44 is provided on the reflecting surface, after the sound transmitted from the speaker 30 is reflected by the reflecting surface of the reflecting cone 40, because of the function of the pipe-like structure composed of the reflecting cone 40 and the speaker 30 and the arrangement of the cone cavity 45 of the reflecting cone 40, the sound hole 44 on the reflecting surface is similar to a resonance muffler, i.e. a helmholtz resonator is provided at the side branch of a pipe, which can generate a restraining function to the sound wave of a specific frequency band, also can generate a trough on the frequency response curve, which just offsets the wave crest generated on the original frequency response curve of the reflecting cone 40, thereby making the frequency response curve thereof smoother, the tone quality effect of the obtained audio device is better, the phenomenon of distortion is avoided, the transmitted sound is stereo full, the frequency band is not lost, the ear is not stabbed; the reflecting cone 40 has the advantages of reasonable structure, easy manufacture, no additional increase of parts, no increase of the volume of audio equipment, low cost, economy and practicality.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A reflection cone is characterized by comprising a reflection plate,
the reflecting plate comprises a reflecting surface, the reflecting surface is convexly arranged towards the direction of the loudspeaker, and a conical tip is formed on the reflecting surface;
at least one sound hole is arranged on the reflecting surface and penetrates through the reflecting plate.
2. A reflection cone according to claim 1, wherein:
the reflecting cone further comprises a bottom plate, the bottom plate and the reflecting plate are combined to form a cone cavity, and the sound hole penetrates through the reflecting plate to communicate the cone cavity with air.
3. A reflection cone according to claim 2, wherein:
a sound guide channel is formed between the reflecting surface and the loudspeaker, the sound guide channel is communicated with the conical cavity through the sound hole, and the sound guide channel is communicated with air.
4. A reflection cone according to claim 2, wherein:
the reflecting plate is further sequentially provided with a transition plate and an installation plate in the circumferential direction of one end far away from the conical tip, and the transition plate and the installation plate are both arranged annularly;
the bottom of the mounting plate is provided with a mounting seat, and one side of the mounting plate is provided with a notch matched with the bottom plate;
the reflecting plate is arc-shaped, the transition plate is arc-shaped, the upper surface of the mounting plate is an arc-shaped surface, and the arc radius of the reflecting plate is larger than that of the transition plate.
5. A reflection cone according to claim 1, wherein:
the sound holes are radially distributed along the reflecting surface by taking the conical tip as a center.
6. A reflection cone according to claim 1, wherein:
the axial direction of the sound hole is perpendicular to the reflecting surface, or
The axial direction of the sound hole is parallel to the outward convex direction of the cone tip.
7. A reflection cone according to claim 1, wherein:
the diameter of the sound hole comprises 0.5-2 mm.
8. A reflection cone according to claim 1, wherein:
the number of the sound holes comprises 1-20.
9. A reflection cone according to any one of claims 1-8, wherein:
the surface of the loudspeaker opposite to the reflecting surface is arranged in a concave manner so as to be opposite to the cone tip.
10. An audio device, comprising:
a speaker;
a reflective cone as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921178070.0U CN209861145U (en) | 2019-07-24 | 2019-07-24 | Reflection cone and audio equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921178070.0U CN209861145U (en) | 2019-07-24 | 2019-07-24 | Reflection cone and audio equipment |
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| Publication Number | Publication Date |
|---|---|
| CN209861145U true CN209861145U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921178070.0U Active CN209861145U (en) | 2019-07-24 | 2019-07-24 | Reflection cone and audio equipment |
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| CN (1) | CN209861145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113473307A (en) * | 2020-03-31 | 2021-10-01 | 中强光电股份有限公司 | Speaker structure and intelligent robot |
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2019
- 2019-07-24 CN CN201921178070.0U patent/CN209861145U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113473307A (en) * | 2020-03-31 | 2021-10-01 | 中强光电股份有限公司 | Speaker structure and intelligent robot |
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