CN219592575U - Bookshelf sound box - Google Patents

Abstract

The utility model provides a bookshelf loudspeaker box, comprising: the box, apron, loudspeaker and protective shield. The cover plate seals the front opening of the box body and is provided with a yielding round hole. The horn is arranged in the abdication round hole. The protective baffle is installed at intervals on the front face of the cover plate and shields the abdication round hole and the loudspeaker. The number of the speakers is two, and the speakers comprise a first speaker and a second speaker. The drum paper of the first loudspeaker adopts white raw pulp paper, and the dust cap adopts bullet shape design. The second loudspeaker adopts a sound membrane, and the spherical top of the sound membrane adopts a silk membrane soft spherical top. The second loudspeaker is installed in the corresponding yielding round hole by pressing the pressing ring, and the pressing ring covers the small folding ring outer ring of the sound membrane by pressing, and the coverage range is 1/2-2/3. The loudspeaker box provided by the utility model is used for reciting scenes, not only can clean and brightly show the thickness and strength of human voice of a reader, but also can make the fine and smooth part of the reader show very well.

Description

Bookshelf sound box

Technical Field

The utility model relates to a bookshelf loudspeaker box.

Background

In classrooms, study rooms or library recitation rooms, sound boxes are generally installed, so that not only can some music, broadcast and notification be played, but also recitation can be provided for users, audiences or students. The recitation sound belongs to the human voice, the human voice belongs to the medium frequency in the audio frequency, and especially the sound in the 300-500Hz frequency band can represent the thickness and the strength of the human voice, and the human voice is bright and clear. At present, there are few sound boxes which are carefully designed for reciting functions in the market, for example, patent number CN201805536U, english reciting overweight bass sound box, or patent number CN214851790U, a sound box and a core (loudspeaker) are not designed for the frequency of the human voice, in singing, the sound box is very bass or high-pitched, but the sound box is applied to reciting of the medium-frequency human voice, the problem of poor performance may exist, bright and clear sound cannot be given, the thickness and strength of the reciting human voice cannot be expressed, in addition, the loudspeaker applied to the reciting scene is not enough in the fineness of the sound, and particularly in the state of very low volume, the most fine detail control of the reciting human voice is difficult to truly reproduce.

Disclosure of Invention

The utility model provides a sound box which is more suitable for playing and reading in order to solve the technical problems.

A bookshelf sound box, which can be placed on a bookshelf, a desk, or mounted on a wall, comprising: the box, apron, loudspeaker and protective shield.

The cover plate seals the front opening of the box body and is provided with a yielding round hole. The horn is arranged in the abdication round hole. The protective baffle is installed at intervals on the front face of the cover plate and shields the abdication round hole and the loudspeaker.

The number of the speakers is two, and the speakers comprise a first speaker and a second speaker. Wherein, the liquid crystal display device comprises a liquid crystal display device,

the drum paper of first loudspeaker adopts white magma paper, and the medium frequency human voice section price of white magma paper is outstanding, can let first loudspeaker shows thickness and the dynamics of human voice, just the dustproof cap of first loudspeaker adopts bullet shape design, dustproof cap not only has dustproof effect, can also let the vibration rule of medium-high frequency and stable, adopts bullet shape design simultaneously can let the vibration mode of medium frequency more regular, lets the medium frequency sound more clear and bright.

The second loudspeaker is installed in the corresponding abdication round hole by pressing the pressing ring. The second loudspeaker adopts the sound membrane, the ball top of sound membrane adopts silk membrane soft ball top, silk membrane soft ball top is by ultralight knitting, and compared with most like products on the market, this kind of high sound unit weight still is half of other products, and this kind of material is very thin, and the light quality of soft ball top high sound unit makes the power amplifier promote very easily, even also can truly reappear the fine and smooth detail in the recitation under very low volume. In addition, the sound membrane is provided with a small folding ring at the periphery of the dome, the dome and the small folding ring have respective phases, the dome is close to a user in terms of acoustic wave transmission, and mutual offset and mutual interference exist in the transmission process, so that the compression ring is pressed and covered on the outer ring of the small folding ring of the sound membrane, the coverage range is 1/2-2/3, the acoustic transmission can avoid the part which is blocked and pressed and is transmitted forwards, and the phase of the small folding ring is adjusted to be consistent with the dome.

According to the utility model, by arranging the two loudspeakers, one loudspeaker adopts white raw pulp paper drum paper and the bullet-shaped dustproof cap, the thickness and the strength of human voice can be changed, the sound is cleaner and brighter, the other loudspeaker adopts the sound film with the silk film soft ball top, the small folded ring outer ring of the sound film is shielded and pressed, so that the sound box can truly reproduce some very fine details of a reader in recitation, and a user can listen to the performance of the reader on site.

Preferably, the pressing ring presses 2/3 of the outer ring of the small folding ring covered on the sound membrane.

Preferably, the back of first loudspeaker is pasted and is had the shock attenuation piece, and the whole vibration of reducible loudspeaker during operation or at the mounted position and rock some noise that bring.

Preferably, a sealing gasket made of rubber foaming materials is arranged between the loudspeaker and the abdication round hole, so that the loudspeaker has a sealing and dampproof effect, and noise caused by shaking of the loudspeaker at the installation position during working can be reduced.

Preferably, the first horn is a main horn, and the size of the first horn is larger than that of the second horn.

Preferably, two through holes are formed in the back of the box body, two air pipes are arranged, and through the arrangement of the air pipes, some reciting sounds can be thicker and stronger. Especially some male voices.

Preferably, install the connection control in the box the circuit board of loudspeaker, the circuit board is equipped with bluetooth connection module, but through bluetooth connected mobile device, lets recite the work source more nimble.

Preferably, the back of the protective baffle is provided with a plurality of mounting grooves. The front of apron corresponds the mounting groove is equipped with the installation projection, the head of installation projection adopts interference fit mode to insert in the mounting groove, easy dismounting.

Preferably, the voice coil of the first loudspeaker uses copper foil to directly lead out wires, so that the adhesive force is stronger and the stability is better.

As can be seen from the above description of the present utility model, by providing two speakers, one speaker uses white raw pulp paper drum paper and bullet-shaped dustproof caps, the thickness and strength of the sound box can be changed, the sound is more clean and bright, the other speaker uses a sound film with a silk film soft ball top, and the small folded ring outer ring of the sound film is shielded and pressed, so that the sound box can truly reproduce the very fine details of a reader in recitation, and a user can listen to the performance of the reader on site. The two horns are combined for use in recitation scenes, so that the thickness and the strength of the human voice of the reader can be cleaned and brightly displayed, and the fine and smooth part of the reader can be revealed as well.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model.

Wherein:

FIG. 1 is an isometric view of a bookshelf loudspeaker box;

FIG. 2 is a second isometric view of a bookshelf speaker;

FIG. 3 is a cross-sectional view of a bookshelf speaker;

FIG. 4 is an exploded view of a bookshelf loudspeaker;

FIG. 5 is an exploded view of a bookshelf sound box;

FIG. 6 is an exploded view of a bookshelf sound box;

the identifiers in fig. 1 to 6 are respectively: the device comprises a box body 1, an air pipe 11, a cover plate 2, a first loudspeaker 31 of a loudspeaker 3, a drum paper 311, a dustproof cap 312, a voice coil 313, a second loudspeaker 32, a sound membrane 321, a silk membrane soft ball top 3211, a small folding ring 3212, a protective baffle 4 and a compression ring 5.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear and obvious, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 6, a bookshelf speaker, which can be placed on a bookshelf, a desk, or mounted on a wall, includes: box 1, cover plate 2, loudspeaker 3 and protective baffle 4 clamping ring 5

Two through holes are formed in the back of the box body 1, two air pipes 11 are arranged on the back of the box body, and through the arrangement of the air pipes 11, some reciting sounds can be more vigorous. Especially some male voices.

The cover plate 2 seals the front opening of the box body 1 and is provided with a yielding round hole. The horn 3 is arranged in the yielding round hole. The protection baffle 4 is installed on the front face of the cover plate 2 at intervals and shields the abdication round hole and the loudspeaker 3. Specifically, the back of the protective baffle 4 is provided with a plurality of mounting grooves. The front of the cover plate 2 is provided with a mounting convex column corresponding to the mounting groove, and the head of the mounting convex column is inserted into the mounting groove in an interference fit mode, so that the mounting convex column is convenient to assemble and disassemble.

The number of speakers 3 is two, including a first speaker 31 and a second speaker 32. Wherein, the liquid crystal display device comprises a liquid crystal display device,

the drum paper 311 of the first loudspeaker 31 adopts white primary pulp paper, the medium frequency human voice section price of the white primary pulp paper is outstanding, the first loudspeaker 31 can show the thickness and the dynamics of human voice, and the dustproof cap 312 of the first loudspeaker 31 adopts bullet shape design, the dustproof cap 312 not only has dustproof effect, but also can enable the vibration rule and the stability of medium and high frequency, and simultaneously adopts bullet shape design to enable the vibration mode of medium frequency to be more regular, so that the sound of medium frequency is clearer and brighter. The voice coil 313 of the first horn 31 uses copper foil to directly lead out wires, so that the adhesion force is stronger and the stability is better.

The second horn 32 is installed in the corresponding yielding round hole in a pressing mode through the pressing ring 5. The second loudspeaker 32 adopts a sound membrane 321, the top of the sound membrane 321 adopts a silk membrane soft ball top 3211, the silk membrane soft ball top 3211 is made of ultra-light braided fabrics, compared with most similar products on the market, the weight of the high-pitch unit is less than half of that of other products, the material is very thin, the light weight of the soft ball top high-pitch unit enables the power amplifier to be very easy to push, and the finest details in recitation can be truly reproduced even at very low volume. In addition, the sound membrane 321 is provided with a small folding ring 3212 at the periphery of the dome, the dome and the small folding ring 3212 have respective phases, the dome is close to a user in terms of acoustic wave transmission, and mutual cancellation and mutual interference exist in the transmission process, so that the compression ring 5 is pressed and covered on the outer ring of the small folding ring 3212 of the sound membrane 321, the coverage area is 2/3, the acoustic transmission can avoid the part which is blocked and pressed and is transmitted forwards, and the phase of the small folding ring 3212 is adjusted to be consistent with the dome.

In an embodiment, in order to reduce the sound of unnecessary vibration of the speaker, the damping plate 313 is adhered to the back of the first speaker 31, so as to reduce some noise caused by the overall vibration or shaking of the speaker 3 during operation. Or in other embodiments, a sealing gasket made of rubber foaming materials is arranged between the loudspeaker 3 and the abdication round hole, so that the loudspeaker has a sealing and dampproof effect, and noise caused by shaking of the loudspeaker 3 at the installation position during working can be reduced.

According to the utility model, by arranging the two loudspeakers 3, one loudspeaker 3 adopts the white primary pulp paper drum 311 and the bullet-shaped dustproof cap 312, the thickness and the strength of human voice can be changed, the sound is more clean and brighter, the other loudspeaker 3 adopts the sound membrane 321 with the silk membrane soft ball top 3211, the outer ring of the small folding ring 3212 of the sound membrane 321 is shielded and pressed, so that the sound box can truly reproduce the very fine details of a reader in recitation, and a user can listen to the performance of the reader on site.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied directly to other applications without modification, as long as various insubstantial modifications of the method concept and technical solution of the utility model are adopted, all within the scope of the utility model.

Claims (9)

1. A bookshelf speaker comprising: the device comprises a box body, a cover plate, a loudspeaker and a protective baffle;

the cover plate seals the front opening of the box body and is provided with a yielding round hole; the horn is arranged in the abdication round hole; the protective baffle is arranged on the front surface of the cover plate at intervals and shields the abdication round hole and the loudspeaker;

the loudspeaker is characterized by comprising two loudspeakers, namely a first loudspeaker and a second loudspeaker; the drum paper of the first loudspeaker adopts white raw pulp paper, and the dust cap adopts bullet-shaped design; the second loudspeaker adopts a sound membrane, and the spherical top of the sound membrane adopts a silk membrane soft spherical top; the second loudspeaker is installed in the corresponding yielding round hole by pressing the pressing ring, and the pressing ring covers the small folding ring outer ring of the sound membrane by pressing, and the coverage range is 1/2-2/3.

2. A bookshelf sound box according to claim 1, wherein said pressure ring presses 2/3 of the outer rim of the small fold over to said diaphragm.

3. A bookshelf sound box according to claim 1, wherein said first speaker has a shock absorbing tab affixed to its back surface.

4. A bookshelf loudspeaker according to claim 1, wherein a rubber foam sealing gasket is provided between the horn and the yielding hole.

5. A bookshelf loudspeaker box according to claim 1, wherein the first horn is the primary horn and is larger in size than the second horn.

6. A bookshelf sound box according to claim 1, wherein the back of the box has two through holes and two air ducts.

7. A bookshelf sound box according to claim 1, wherein a circuit board for connecting and controlling said speakers is mounted in said box, said circuit board having a bluetooth connection module.

8. A bookshelf sound box according to claim 1, wherein the back of the protective baffle has a plurality of mounting grooves; the front of the cover plate is provided with a mounting convex column corresponding to the mounting groove, and the head of the mounting convex column is inserted into the mounting groove in an interference fit mode.

9. A bookshelf loudspeaker according to claim 1, wherein the voice coil of the diaphragm is directly led out of the wire using copper foil.