CN218349035U - Embedded sound box and refrigerator door body - Google Patents

Abstract

The utility model provides an embedded audio amplifier and refrigerator door body, embedded audio amplifier include box and connecting plate, are equipped with mounting groove and sound production unit in the box, and sound production unit includes voice coil loudspeaker voice coil skeleton, from bottom to top cover establish centering piece and vibrating diaphragm cone on the voice coil loudspeaker voice coil skeleton, the lower magnetic conductive plate that sets gradually from bottom to top, main magnet, go up magnetic conductive plate and vice magnet, and lower magnetic conductive plate is connected on the diapire of mounting groove, and voice coil loudspeaker voice coil skeleton is located down magnetic conductive plate top and centers on main magnet, last magnetic conductive plate and vice magnet set up, and voice coil loudspeaker voice coil skeleton lateral wall hypomere has twined the conductive coil, and the conductive coil is located centering piece below, and sound production unit still includes that the ring is rolled over to the ring including the periphery of vibrating diaphragm cone and the vibrating diaphragm is rolled over the ring and is connected, and the periphery that ring and centering piece are rolled over the ring respectively with the mounting groove lateral wall and is connected. The utility model provides a current audio amplifier width and thickness too big can't install the problem on the ultra-thin refrigerator door body.

Description

Embedded sound box and refrigerator door body

Technical Field

The utility model relates to a manufacturing of refrigeration plant especially relates to an embedded audio amplifier and refrigerator door body.

Background

With the progress of technology, intelligent refrigerator products are continuously updated, and refrigerators with voice recognition interaction function are continuously on the market and are popular with users. Such refrigerators generally require speakers to be provided at certain positions on the refrigerator to provide sound producing functions. However, due to the limitations of the refrigerator itself in function and appearance, a great challenge is often faced when the speaker is placed on a refrigerator door with a small size.

Because the door body of the refrigerator produced at present is thinner and thinner, and the thickness requirement of the foaming layer inside the refrigerator door body is limited, the existing sound box device cannot be installed on the thinner refrigerator door body because the thickness and the width are too large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an embedded audio amplifier and refrigerator door body to solve among the prior art audio amplifier device often because thickness and width are too big, can't install the problem on the thinner refrigerator door body.

For realizing one of the above-mentioned utility model aims, an embodiment of the utility model provides an embedded audio amplifier, wherein, including box and the connecting plate of setting at the box up end, be equipped with ascending mounting groove of opening and sound production unit in the box, sound production unit includes voice coil loudspeaker voice coil skeleton, from bottom to top cover establish centering piece and the vibrating diaphragm cone on the voice coil loudspeaker voice coil skeleton, the lower magnetizer that sets gradually from bottom to top, main magnet, last magnetizer and auxiliary magnet, lower magnetizer fixed connection be in on the diapire of mounting groove, voice coil loudspeaker voice coil skeleton is located down the magnetizer top centers on main magnet, last magnetizer and auxiliary magnet set up, the lateral wall winding of voice coil loudspeaker voice coil skeleton is equipped with the conductive coil, the conductive coil is located centering piece below, the periphery of centering piece with the lateral wall of mounting groove is connected, sound production unit still includes the vibrating diaphragm rolls over the ring, the periphery of vibrating diaphragm cone with the vibrating diaphragm rolls over the ring and is connected, the periphery of vibrating diaphragm roll over the ring with the lateral wall of mounting groove is connected.

As an embodiment of the utility model provides a further improvement, wherein, the material of vibrating diaphragm book ring is polyurethane, the material of centering piece is aramid fiber.

As a further improvement of an embodiment of the present invention, wherein the number of layers of the conductive coil is set to two layers.

As an embodiment of the utility model discloses a further improvement, wherein, the box sets up to the cuboid shape, the cuboid shape the width of box is not more than 21mm, and the height is not more than 35mm.

As a further improvement of an embodiment of the present invention, wherein shock insulation cotton is provided between the outside of the front and rear side walls of the box body and the upper end surface and the connecting plate.

As an embodiment of the utility model provides a further improvement, wherein, be equipped with the installation ear seat on two lateral walls about the box respectively, the joint is equipped with the shock attenuation erection column in the installation ear seat, the shock attenuation erection column is including setting up at the big footpath section at both ends and connecting two the path section of big footpath section, path section joint is in the installation ear seat, be equipped with on the connecting plate with shock attenuation erection column matched with connecting portion.

As a further improvement of an embodiment of the present invention, wherein one of the mounting lug seats on the box body is provided with a mistake-proofing positioning hole in a penetrating manner.

As an embodiment of the utility model provides a further improvement, wherein, the mounting groove sets up to the oval mounting groove of bottom open-ended echelonment, magnetic conductive plate sets up to magnetic conductive plate under the oval concave type down, and the joint of magnetic conductive plate opening ground up is on the oval mounting groove tank bottom of echelonment under the oval concave type, and the lateral wall of magnetic conductive plate centers on under the oval concave type main magnet vice magnet and go up the magnetic conductive plate setting.

The utility model discloses an embodiment still provides a refrigerator door body, and it includes as above embedded audio amplifier.

As an embodiment of the utility model provides a further improvement, wherein, be equipped with on the refrigerator door body and hold the storage tank of embedded audio amplifier, the storage tank set up in the side of the refrigerator door body, and in be equipped with on the diapire of storage tank with embedded audio amplifier looks location complex location structure.

Compared with the prior art, the beneficial effects of the utility model reside in that: through the utility model discloses the structure setting of embedded audio amplifier for it is on the basis of guaranteeing the vocal effect, and the volume can effectively reduce.

Drawings

Fig. 1 is a schematic structural view of an embedded speaker according to an embodiment of the present invention;

FIG. 2 is an exploded view of the embedded speaker of FIG. 1;

FIG. 3 is an enlarged schematic view at M of FIG. 2;

FIG. 4 is a top view of the embedded sound box of FIG. 1;

FIG. 5 is a cross-sectional view taken along direction A in FIG. 4;

FIG. 6 is an enlarged schematic view at N of FIG. 5;

fig. 7 is a schematic structural view of the embedded sound box in fig. 1 without the connecting plate;

fig. 8 is a front view of the embedded sound box of fig. 7 without the connection board;

FIG. 9 is a cross-sectional view taken along the line B in FIG. 8;

fig. 10 is a schematic structural view of a door body according to an embodiment of the present invention;

FIG. 11 is a top view of the door of FIG. 10 with the built-in speaker removed;

fig. 12 is an enlarged schematic view at O in fig. 11.

Wherein the figures include the following reference numerals:

1. a connecting plate; 11. a sound transmission hole; 12. a connecting portion;

2. a box body; 21. shock insulation cotton; 22. mounting an ear seat; 23. a shock absorbing mounting post; 231. mounting holes; 232. a large diameter section; 233. a small diameter section; 234. error-proofing positioning holes; 24. mounting grooves;

3. a sound producing unit; 31. folding the diaphragm; 32. a centering disk; 33. a lower magnetic conductive sheet; 34. a main magnet; 35. a sub-magnet; 36. an upper magnetic conductive sheet; 37. a voice coil former; 371. an electrically conductive coil; 38. a dust cover; 39. a diaphragm cone;

4. a refrigerator door body; 41. connecting columns; 42. a positioning column; 43. a containing groove.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the problem that the thin refrigerator door body can not be installed because thickness and width are too big among the prior art audio amplifier device, the utility model provides an embedded audio amplifier and refrigerator door body.

An embodiment of the utility model provides an embedded sound box, as shown in fig. 1-12, comprising a box body 2 and a connecting plate 1 arranged on the upper end surface of the box body 2, wherein the connecting plate 1 is mainly used for fixedly connecting the embedded sound box to a refrigerator door body 4 through the connecting plate; thereby the utility model discloses still relate to a refrigerator door body 4.

As shown in fig. 5, the housing 2 is provided with an installation groove 24 with an upward opening and a sound unit 3.

The sound generating unit 3 comprises a voice coil framework 37, a centering disk 32 and a vibrating diaphragm cone 39 which are sleeved on the voice coil framework 37 from bottom to top, a lower magnetic conductive disk 33, a main magnet 34, an upper magnetic conductive disk 36 and an auxiliary magnet 35 which are sequentially arranged from bottom to top. Lower magnetic conductive sheet 33 fixed connection be in on the diapire of mounting groove 24, voice coil framework 37 is located lower magnetic conductive sheet 33 top and around main magnet 34, last magnetic conductive sheet 36 and vice magnet 35 set up, the lateral wall hypomere winding of voice coil framework 37 is equipped with conductive coil 371, conductive coil 371 is located centering branch 32 below, centering branch 32 the periphery with the lateral wall of mounting groove 24 is connected, sound generating unit 3 still includes vibrating diaphragm book ring 31, the periphery of vibrating diaphragm cone 39 with vibrating diaphragm book ring 31 is connected, vibrating diaphragm book ring 31 the periphery with the lateral wall of mounting groove 24 is connected.

Through the structure setting, can make the utility model discloses it is on the basis of guaranteeing the sound production effect that embedded audio amplifier is its, and the volume can effectively reduce.

Furthermore, the vibrating diaphragm corrugated rim 31 is made of polyurethane, and the vibrating diaphragm corrugated rim 31 can be made light and soft by the material, so that the bass effect of the sound box is further ensured, the sound pressure level is improved, the power is improved, and the problems of bass deterioration and sound pressure level reduction caused by the reduction of the volume of the sound box are further solved; in addition, based on the chemical properties of polyurethane, the long-term vibration stability and high aging resistance of the diaphragm edge 31 can be ensured.

The material of centering branch piece 32 is aramid fiber (DuPont CONEX), and the effect that this kind of material played is equivalent with the effect that above-mentioned vibrating diaphragm book ring 31 adopted polyurethane, and light in weight and softness can satisfy centering branch piece 32's physical properties, further guarantees sound effect.

In addition, it can be understood that, after the conductive coil 371 of the embedded speaker is powered on, the audio signal is converted into a current signal, due to the electromagnetic induction phenomenon, different magnetic forces are generated on the conductive coil 371 due to the change of current, the conductive coil 371 drives the voice coil bobbin 37 to make corresponding movements, and the centering branch 32, the diaphragm cone 39 and the diaphragm folding ring 31 connected to the voice coil bobbin also vibrate along with the movements, thereby generating the sound required to be played.

In a preferred embodiment, the number of layers of the conductive coil 371 is two. The electrically conductive coil under the usual situation all sets up to the four layers, sets up it to two-layer back in this embodiment, and the total length of electrically conductive coil can shorten, and in order to keep coil impedance unchangeable, this just will make the line footpath of coil diminish, sets up like this, just can make electrically conductive coil 371's quality and volume all diminish, more is adapted to the utility model discloses the purpose that reduces the audio amplifier volume that will reach. In addition, the arrangement can also improve the high pitch of the embedded sound box, increase the sound pressure level and make up the problem of sound pressure level reduction caused by the reduction of the size of the sound box.

Further, a plurality of sound transmission holes 11 are formed in the connecting plate 1 at positions close to the diaphragm cones 39, and the connecting plate is usually made of a sound-transmitting material in a sound transmission area, but the sound transmission holes 11 are formed in the connecting plate at positions close to the diaphragm cones 39, so that sound can be further conveniently transmitted from the sound generating unit 3 to the outside of the connecting plate 1.

As a general setting component, the sounding unit 3 further includes a dust cap 38, the dust cap 38 is fixedly connected to the upper end of the voice coil bobbin 37, and the dust cap 38 can be adhered to the upper end of the voice coil bobbin 37 by glue, which mainly serves to prevent external dust from entering the voice coil bobbin 37.

Further, the box body 2 may be provided in a rectangular parallelepiped shape, and in the present embodiment, based on the configuration of the aforementioned structure and material, the width of the box body in the rectangular parallelepiped shape may be set to be not greater than 21mm, and the height may be set to be not greater than 35mm.

Furthermore, shock insulation cotton 21 is arranged on the outer sides of the front side wall and the rear side wall of the box body 2 and between the upper end surface of the box body and the connecting plate 1. The vibration isolating material 21 in this embodiment is usually EVA (ethylene vinyl acetate copolymer) vibration isolating material. The vibration-isolating cotton 21 arranged at the position can prevent noise caused by vibration when the refrigerator body 2 and the assembly structural member of the refrigerator door body are contacted with each other. Due to the arrangement of the shock insulation cotton 21, a gap for preventing the refrigerator body 2 and the refrigerator door body assembly structure from contacting with each other to generate noise does not need to be reserved between the refrigerator body and the refrigerator door body assembly structure, and therefore the effect of saving structural space is achieved.

Further, be equipped with installation ear seat 22 on two lateral walls about box 2 respectively, the joint is equipped with shock attenuation erection column 23 in the installation ear seat 22, shock attenuation erection column 23 is including setting up the major diameter section 232 at both ends and connecting two the path section 233 of major diameter section, path section 233 joint is in the installation ear seat 22.

Through the above arrangement, when the small diameter section 233 is clamped in the mounting ear seat 22, the two large diameter sections 232 at the two ends can also abut against the upper and lower end surfaces of the ear seat 22, so as to achieve a good stabilizing effect. The connecting plate 1 is provided with a connecting part 12 matched with the shock absorption mounting column 23, and the connecting plate 1 is finally installed on a positioning structure of the refrigerator door body 4 through the matching of the connecting part 12 and the shock absorption mounting column 23.

It is understood that the shock-absorbing mounting column 23 is further provided with a mounting hole 231 along the central axis direction thereof, and when the recessed sound box is mounted on the refrigerator door 4, the positioning structure of the refrigerator door 4 can be inserted into the mounting hole 231.

Furthermore, an error-proof positioning hole 234 is formed through one of the mounting ear seats 22 on the cabinet 2, and the error-proof positioning hole 234 is used for allowing a positioning structure on the refrigerator door 4 to be inserted into the error-proof positioning hole 234 in a matching manner when the embedded sound box is installed in the refrigerator door 4, so that the embedded sound box is prevented from being misaligned with the refrigerator door 4 during installation.

Further, the mounting groove 24 is a stepped elliptical mounting groove with an open bottom end, the horizontal cross section of the mounting groove is substantially elliptical, and the inner wall of the mounting groove 24 has a plurality of planes with different heights, which are connected to form a stepped surface, and the planes with different heights are arranged from the center of the groove body to the outside from the low to the high, that is, the plane close to the bottom of the groove is lower than the plane far away from the bottom of the groove; the lower magnetic conductive sheet 33 is an oval concave lower magnetic conductive sheet, the horizontal cross section of the lower magnetic conductive sheet 33 is generally oval, the opening of the oval concave lower magnetic conductive sheet is upwards clamped on the groove bottom of the step-shaped oval installation groove, the side wall of the oval concave lower magnetic conductive sheet 33 surrounds the main magnet 34, the auxiliary magnet 35 and the upper magnetic conductive sheet 36, a certain distance is reserved between the side wall of the lower magnetic conductive sheet 33 and the main magnet 34, a certain gap can be formed, and therefore the voice coil framework 37 can conveniently move up and down in the gap.

In order to realize the purpose of the utility model, an embodiment of the utility model also provides a refrigerator door 4, include as above an arbitrary embedded audio amplifier.

As a preferable mode, the refrigerator door 4 is provided with a containing groove 43 capable of containing the embedded sound box, the containing groove 43 is opened on the side surface of the refrigerator door 4, and a positioning structure matched with the embedded sound box in a positioning manner is arranged on the bottom wall of the containing groove 43.

The positioning structure comprises a connecting column 41 which is arranged on the bottom wall of the accommodating groove 43 and can be inserted into the mounting hole 231, when the embedded sound box is mounted in the accommodating groove 43, the connecting part 12 abuts against the upper end face of the shock absorption mounting column 23, the connecting column 41 is inserted into the mounting hole 231 of the shock absorption mounting column 23, and the connecting part 12 and the connecting column 41 can be fixedly connected together through screws.

The positioning structure further comprises a positioning column 42 arranged on the bottom wall 43 of the accommodating groove and capable of being inserted into the error-proofing positioning hole 234, and when the embedded sound box is installed in the accommodating groove 43, the positioning column 42 is inserted into the error-proofing positioning hole 234, so that the embedded sound box can be prevented from being misplaced when being installed on the refrigerator door body 4.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an embedded audio amplifier, a serial communication port, including box and the connecting plate of setting at the box up end, be equipped with ascending mounting groove of opening and sound production unit in the box, sound production unit includes voice coil loudspeaker voice coil skeleton, establishes centering piece and the vibrating diaphragm cone on the voice coil loudspeaker voice coil skeleton from bottom to top, the lower magnetizer that sets gradually from bottom to top, main magnet, last magnetizer and auxiliary magnet, lower magnetizer fixed connection be in on the diapire of mounting groove, voice coil loudspeaker voice coil skeleton is located down the magnetizer top and center on main magnet, last magnetizer and auxiliary magnet set up, the lateral wall winding of voice coil loudspeaker voice coil skeleton is equipped with the conductive coil, the conductive coil is located centering piece below, the periphery of centering piece with the lateral wall of mounting groove is connected, sound production unit still includes the vibrating diaphragm book ring, the periphery of vibrating diaphragm cone with the vibrating diaphragm book ring is connected, the periphery of vibrating diaphragm book ring with the lateral wall of mounting groove is connected.

2. The embedded loudspeaker of claim 1, wherein the diaphragm corrugated rim is made of polyurethane, and the centering disk is made of aramid fiber.

3. The embedded loudspeaker of claim 1 or 2, wherein the number of layers of the conductive coil is arranged as two layers.

4. The built-in speaker as claimed in claim 1 or 2, wherein the cabinet is configured in a rectangular parallelepiped shape, and the rectangular parallelepiped shape of the cabinet has a width of not more than 21mm and a height of not more than 35mm.

5. The embedded sound box according to claim 1, wherein vibration isolating cotton is disposed between the outer sides of the front and rear side walls and the upper end surface of the box body and the connecting plate.

6. The built-in speaker as claimed in claim 1, wherein the left and right sidewalls of the cabinet are respectively provided with a mounting ear seat, the mounting ear seat is provided with a shock absorbing mounting post in a snap-fit manner, the shock absorbing mounting post comprises a large diameter section and a small diameter section, the large diameter section is provided at two ends of the shock absorbing mounting post, the small diameter section is snap-fit connected to the mounting ear seat, and the connecting plate is provided with a connecting portion matched with the shock absorbing mounting post.

7. The built-in speaker as claimed in claim 6, wherein one of the mounting ear seats of the housing has a positioning hole for preventing error.

8. The embedded audio amplifier of claim 1, wherein the mounting groove is configured as a stepped oval mounting groove with an open bottom, the lower magnetic conductive plate is configured as an oval concave lower magnetic conductive plate, the opening of the concave lower magnetic conductive plate is upwardly engaged with the bottom of the stepped oval mounting groove, and the sidewall of the concave lower magnetic conductive plate is disposed around the main magnet, the sub-magnet and the upper magnetic conductive plate.

9. A refrigerator door comprising the built-in sound box according to any one of claims 1 to 8.

10. The refrigerator door according to claim 9, wherein the refrigerator door has a receiving groove for receiving the embedded sound box, the receiving groove is formed in a side surface of the refrigerator door, and a positioning structure is formed on a bottom wall of the receiving groove for positioning and matching with the embedded sound box.

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