CN220754994U - Holographic sound field loudspeaker box - Google Patents

Abstract

The utility model relates to a holographic sound field sound box, which comprises a box body, wherein the upper end and the lower end of the box body are both of an opening structure, the box body is internally divided into an upper chamber and a lower chamber through a partition board, a horn is arranged at the middle shaft in the upper chamber, the horn is horn-shaped, the horn mouth of the horn is inscribed with the opening of the upper chamber, the horn mouth is contracted from outside to inside to form a narrow mouth, the narrow mouth is connected with a first loudspeaker, a plurality of through holes are formed in the peripheral side of the box body, and a second loudspeaker is arranged at the corresponding position of the through hole of the box body; the opening part of the lower cavity is covered with a sealing cover plate, a sound outlet is formed in the sealing cover plate, a bass driver is arranged at a position corresponding to the sound outlet and is arranged on the inner side of the sealing cover plate, the bass driver comprises a vibrator, and the outer end of the vibrator is flush with the outer side surface of the sealing cover plate. The utility model realizes 720-degree stereo surround sound effect, can improve low-frequency sound effect, and provides immersion experience of holographic sound field for users.

Description

Holographic sound field loudspeaker box

Technical Field

The utility model relates to the field of audio, in particular to a holographic sound field loudspeaker box.

Background

Nowadays, with continuous progress of technology and increased demand for audio experience, sound boxes are becoming more popular and widely used in various fields of life. The function of audio amplifier is constantly strengthened, has satisfied the continuous promotion demand that people experienced audio, and modern audio amplifier not only can provide clear, lifelike tone quality, still extensively supports wireless connection technique, like bluetooth and Wi-Fi, makes the user can be easily be connected multiple equipment with the audio amplifier, and the application of audio amplifier in the life also becomes more and more diversified. People can build high quality home theater systems in the home that enjoy the immersive experience of movies, music, and games. In addition, the sound box is widely applied to parties, parties and outdoor activities, and brings dynamic music and site feeling to people.

At present, sound boxes which are popular in the market, such as a 2.0 single-sound-path sound box or a 2.1 multi-sound-path sound box, have certain defects in the space effect of sound, and meanwhile, due to the limitations of the box volume of the sound box and the radiation area of a vibrating diaphragm of a low-frequency system, some sound boxes can not provide enough low-frequency diving depth, and the low-frequency sound effect has important roles in music, films and games, so that the sound is endowed with stronger impact feeling and low-frequency components. However, if the volume in the speaker design is small, or the radiating area of the diaphragm of the low frequency system is insufficient, the low frequency sound effect may be insufficient and full.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the holographic sound field loudspeaker box, which realizes 720-degree stereo surround sound effect, can expand the radiation area of a low-frequency system to improve the low-frequency sound effect, and provides immersion experience of the holographic sound field for users.

In order to achieve the above object, the following technical solutions are adopted.

The utility model discloses a holographic sound field sound box, which comprises a box body, wherein the upper end and the lower end of the box body are both of an opening structure, the box body is internally divided into an upper chamber and a lower chamber through a partition board, wherein a horn is arranged at the middle shaft in the upper chamber, the horn is horn-shaped, the outer edge of a horn opening of the horn is inscribed with the opening of the upper chamber, the outer diameter of the horn is contracted along the opening of the box body towards the direction of the partition board to form a narrow opening, the narrow opening is connected with a first loudspeaker, a plurality of through holes are formed in the periphery of the upper chamber, and a second loudspeaker is arranged at the position corresponding to the through holes of the box body; the opening part of lower cavity is covered and is closed a sealed apron, be equipped with a sound outlet on the sealed apron, install the bass driver on the corresponding position that the sealed apron is located the sound outlet, the bass driver is installed in sealed apron inboard, the bass driver includes the vibrator, the outer end of vibrator and the outside surface parallel and level of sealed apron.

In the technical scheme, the arrangement of the partition board in the box body enables an upper cavity and a lower cavity to be formed in the box body, a plurality of second speakers are arranged on the side wall of the upper cavity in a surrounding mode, and the second speakers are arranged on the side wall of the surrounding box body, so that a sound field effect of 360-degree surrounding of the sound box is achieved; the upper cavity is larger than the lower cavity, the upper cavity comprises a horn arranged at the center shaft, the horn is horn-shaped, the horn mouth of the horn is connected with the opening of the upper cavity, and the bottom of the horn is abutted against the first loudspeaker, so that an overhead channel is formed in the upper cavity by the horn, the sound pressure level and the directivity can be increased, the sound coverage range is improved, and a better sound propagation effect is provided; the lower cavity opening is provided with a sealing cover plate for sealing the opening, and a bass driver is arranged on the sealing cover plate through the inside of the lower cavity, a vibrator of the bass driver extends out of the sealing cover plate through a sound outlet of the sealing cover plate, when a sound box is placed on any supporting platform, the vibrator can be abutted with the supporting platform, the vibrator is contacted with the supporting platforms made of different materials and different in generated vibration frequency, different bass effects can be played, and the radiation area of a low-frequency system can be improved through placing the sound box on a supporting surface with a larger area, so that the low-frequency sound effect is improved; through set up first speaker and bass driver respectively at last cavity and lower cavity to cooperate and encircle setting up the second speaker at last cavity week side, can realize the 720 three-dimensional surround sound effect of audio amplifier, provide the immersive experience of holographic sound field for the user.

Further, a silica gel pad is arranged on one side, far away from the box body, of the sealing cover plate, and the vibrator is abutted with the silica gel pad.

In the above-mentioned technical scheme, through the setting of silica gel pad, make the box can laminate better with the platform that provides the support, and then make the vibrator can with the better contact of platform, make the vibration effect of vibrator can be better conduct to the platform of contact on through the work of bass driver, can improve the bass effect, make the box more stable when placing in the plane simultaneously, can not produce abnormal sound.

Further, the box body is of a regular hexagonal prism structure, six second speakers are arranged, and each second speaker is arranged on six side faces of the box body through a through hole respectively.

In the above technical scheme, the box is regular hexagonal prism structure, and each side of regular hexagonal prism is the same, sets up six second speakers respectively on each side of regular hexagonal prism can be for providing 360 holographic sound effects that encircle.

Further, a mounting groove is formed in the side face of the box body and located outside the through hole, the second loudspeaker enters the box body through the through hole, and a connecting piece of the second loudspeaker is connected with the mounting groove in a matched mode.

Among the above-mentioned technical scheme, through the setting of mounting groove, for the second speaker provides stable mounted position and fixed point, the connecting piece that the second speaker passed through is embedded on the mounting groove, installs the second speaker through setting up the mounting groove and can realize stable fixed, reduce resonance and noise, pleasing to the eye advantage such as neat, this helps promoting sound box system's performance, tone quality and outward appearance to provide better hearing experience.

Further, the geometric positions of the second speakers on the side face of the box body are the same, and the distances from the second speakers to the horn are equal.

In the technical scheme, the distances from each second loudspeaker to the horn are equal, so that the sound can keep similar sound wave delay in the propagation process, and the sound waves from different loudspeakers can be ensured to be consistent in time reaching the ears of a listener, so that the inconsistency of sound phase difference and frequency response caused by the difference of arrival time of signals is avoided, and the consistency and equalization of the overall sound of the loudspeaker box are facilitated; maintaining equal distances from the respective second loudspeakers to the horn may also help achieve symmetry of the sound field, meaning that sound from different loudspeakers has similar radiation characteristics and coverage in the horizontal and vertical directions, which may result in a more balanced, more accurate sound distribution, such that the overall sound field exhibits a more stable, more consistent effect.

Further, the first speaker is a tweeter, and the second speaker is a mid-tweeter.

According to the technical scheme, the high-frequency response can be expanded, a larger sound field is provided, the penetrating power of sound is improved, and the full-frequency response of the sound box is realized by arranging the high-pitch loudspeaker at the narrow opening of the horn, so that the requirements of users on fine tone quality and sound field effect can be better met, and more excellent audio experience is provided; the sound field can be expanded in the horizontal direction by arranging the middle and high pitch loudspeakers on the peripheral side of the sound box, so that the audio frequency can be expressed more widely.

Further, a Bluetooth module is arranged on the partition board.

Among the above-mentioned technical scheme set up bluetooth module on the baffle of audio amplifier can let the user enjoy wireless audio transmission, convenient connected mode, increase the multifunctionality and the better mobility and the flexibility of audio amplifier, through bluetooth connection, the user can be easily with various equipment and audio amplifier connection, realizes convenient, high-quality wireless audio experience.

Further, a filter screen is covered on the horn mouth of the horn.

According to the technical scheme, the filter screen is arranged at the horn mouth of the horn, and serves as a physical barrier, so that impurities, dust, foreign matters and the like can be effectively prevented from entering the horn, normal operation and tone quality performance of the loudspeaker are affected, the risk can be reduced to the greatest extent due to the existence of the filter screen, and safety and durability of the horn unit are protected; the sound wave can be uniformly distributed, the filter screen has a pore structure, a certain scattering and diffusion effect is achieved on the sound wave beam, the sound wave beam can be uniformly distributed and output, obvious directivity is avoided, the sound can be more uniformly spread in the horizontal direction, resonance and distortion can be reduced, the resonance and distortion can be reduced to a certain extent due to the filter screen, the filter screen can be used as an obstacle to slightly reflect and scatter the sound wave forward path, resonance phenomenon is reduced, and sound distortion caused by excessive echoes is avoided.

Compared with the prior art, the holographic sound field loudspeaker box has the following beneficial effects:

according to the holographic sound field loudspeaker box, 720-degree stereo surrounding sound effect is achieved, meanwhile, the radiation area of a low-frequency system can be expanded, the low-frequency sound effect is improved, and immersive experience of a holographic sound field is provided for a user. The sound field effect of 360-degree surrounding of the sound box is realized by arranging a plurality of second speakers around the periphery of the sound box body, two chambers are upwards and downwards separated in the box body, a first speaker is upwards arranged in the upper chamber, and a bass driver is downwards arranged in the lower chamber; meanwhile, the bass driver arranged at the bottom of the box body can be abutted with different supporting surfaces through the sealing cover plate, different vibration frequencies of the bass driver and the supporting surfaces made of different materials can be achieved, different bass playing effects can be achieved, the radiation area of a low-frequency system is improved through placing the sound box on the supporting surface with a larger area, and then the bass sound effect is improved.

Drawings

FIG. 1 is a cross-sectional view of a holographic sound field loudspeaker of the present utility model;

FIG. 2 is a front three-axis view of a housing of a holographic sound field loudspeaker of the present utility model;

fig. 3 is a schematic structural diagram of a holographic sound field loudspeaker box according to the utility model.

Reference numerals illustrate: 1-a box body; 2-sealing the cover plate; 3-silica gel pad; 4, filtering the mixture by a filter screen; 11-a separator; a 111-Bluetooth module; 12-an upper chamber; 121-a through hole; 122-mounting slots; 13-a lower chamber; 14-horn; 141-flare; 142-narrow mouth; 15-a first speaker; 16-a second speaker; 161-connectors; 17-bass drivers; 171-a vibrator; 21-sound outlet.

Detailed Description

The utility model relates to a holographic sound field sound box, which is further described in detail below with reference to specific embodiments and drawings.

Referring to fig. 1 to 3, in a non-limiting embodiment of the present utility model, a holographic sound field sound box includes a box 1, wherein both the upper and lower ends of the box 1 are open structures, the interior of the box 1 is divided into an upper chamber 12 and a lower chamber 13 by a partition 11, wherein a horn 14 is arranged at a central axis in the interior of the upper chamber 12, the horn 14 is horn-shaped, the outer edge of a horn mouth 141 of the horn 14 is inscribed with the opening of the upper chamber 12, the outer diameter of the horn 14 is contracted along the opening of the box 1 toward the partition 11 to form a narrow mouth 142, the narrow mouth 142 is connected with a first speaker 15, a plurality of through holes 121 are formed on the peripheral side of the upper chamber 12, and a second speaker 16 is installed on the corresponding position of the through hole 121 of the box 1; the opening of the lower chamber 13 is covered with a sealing cover plate 2, the sealing cover plate 2 is provided with a sound outlet 21, a bass driver 17 is installed on the corresponding position of the sealing cover plate 2, which is positioned on the sound outlet 21, the bass driver 17 is installed on the inner side of the sealing cover plate 2, the bass driver 17 comprises a vibrator 171, and the outer end of the vibrator 171 is flush with the outer side surface of the sealing cover plate. In the above technical scheme, the arrangement of the partition plate 11 in the box body 1 forms an upper chamber 12 and a lower chamber 13 in the box body 1, a plurality of second speakers 16 are arranged on the side wall of the upper chamber 12 in a surrounding manner, and the sound field effect of 360-degree surrounding of the sound box is realized by arranging the second speakers 16 around the side wall of the box body 1; the upper chamber 12 is larger than the lower chamber 13, the upper chamber 12 includes a horn 14 disposed at the central axis, the horn 14 is horn-shaped, the horn mouth 141 of the horn 14 is connected with the opening of the upper chamber 12, and the bottom of the horn 14 is abutted against the first speaker 15, so that the horn 14 forms an overhead channel in the upper chamber 12, which can increase sound pressure level and directivity, improve sound coverage, and provide better sound propagation effect; the opening of the lower chamber 13 is provided with a sealing cover plate 2 for sealing the opening, and a bass driver 17 is arranged on the sealing cover plate 2 and positioned in the lower chamber 13, a vibrator 171 of the bass driver 17 extends out of the sealing cover plate 2 through a sound outlet 21 of the sealing cover plate 2, when a sound box is placed on any supporting platform, the vibrator 171 can be abutted with the supporting platform, the vibrator 171 is contacted with the supporting platforms made of different materials and different in generated vibration frequency, different bass effects can be played, and the radiation area of a low-frequency system can be increased by placing the sound box on a supporting surface with a larger area, so that the bass effect is improved; through set up first speaker 15 and bass driver 17 respectively in last cavity 12 and lower cavity 13 to cooperate and encircle and set up second speaker 16 in last cavity 12 week side, can realize the 720 three-dimensional surround sound effect of audio amplifier, provide the immersive experience of holographic sound field for the user.

Referring to fig. 1 to 3, in a non-limiting embodiment of the present utility model, a silica gel pad 3 is disposed on a side of the sealing cover 2 away from the case 1, and the vibrator 171 abuts against the silica gel pad 3. In the above technical scheme, through the setting of silica gel pad 3, make box 1 can laminate better with the platform that provides the support, and then make vibrator 171 can with the better contact of platform, make the vibration effect of vibrator 171 can be better conduct to the platform of contact through the work of bass driver 17 on, can improve the bass effect, make box 1 more stable when placing in the plane simultaneously, can not produce the abnormal sound.

Referring to fig. 1 to 3, in a non-limiting embodiment of the present utility model, the case 1 has a regular hexagonal prism structure, the number of the second speakers 16 is six, and each of the second speakers 16 is disposed on six sides of the case 1 through a through hole 121. In the above technical solution, the case 1 has a regular hexagonal prism structure, and each side of the regular hexagonal prism is the same, and the six second speakers 16 are respectively disposed on each side of the regular hexagonal prism to provide a holographic sound effect surrounding 360 °.

Referring to fig. 1 to 3, in a non-limiting embodiment of the present utility model, a mounting groove 122 is formed on the side surface of the case 1 and located outside the through hole 121, the second speaker 16 enters the case 1 through the through hole 121, and the connecting piece 161 of the second speaker 16 is connected with the mounting groove 122 in a matching manner. In the above technical solution, through the setting of the mounting groove 122, a stable mounting position and a stable fixing point are provided for the second speaker 16, the connecting piece 161 through which the second speaker 16 passes is embedded on the mounting groove 122, and the second speaker 16 can be mounted through the setting of the mounting groove 122 to realize the benefits of stable fixing, resonance and noise reduction, attractive and tidy appearance, which is helpful for improving the performance, the sound quality and the appearance of the sound box system and providing better hearing experience.

Referring to fig. 1 to 3, in a non-limiting embodiment of the present utility model, the geometric positions of the second speakers 16 on the sides of the case 1 are the same, and the distances from the second speakers 16 to the horn 14 are equal. In the above technical solution, by setting the distances from each second speaker 16 to the horn 14 to be equal, the sound can keep similar sound wave delay in the propagation process, so that the sound waves from different speakers can be ensured to be consistent in reaching the ears of the listener, and the inconsistency of the sound phase difference and the frequency response caused by the difference of the arrival time of the signals is avoided, which is helpful to realize the consistency and the equalization of the overall sound of the sound box; maintaining the distances from the respective second speakers 16 to the horn 14 equal may also help achieve sound field symmetry, meaning that sound from different speakers has similar radiation characteristics and coverage in the horizontal and vertical directions, which may result in a more balanced, more accurate sound distribution such that the overall sound field exhibits a more stable, more consistent effect.

Referring to fig. 1 to 3, in a non-limiting embodiment of the present utility model, the first speaker 15 is a tweeter, and the second speaker 16 is a mid-tweeter. In the above technical solution, by setting the tweeter at the narrow opening 142 of the horn 14, the high-frequency response can be expanded, a larger sound field is provided, the penetrating power of sound is improved, and the full-frequency response of the sound box is realized, so that the requirements of users on fine tone quality and sound field effect can be better met, and more excellent audio experience is provided; the sound field can be expanded in the horizontal direction by arranging the middle and high pitch loudspeakers on the peripheral side of the sound box, so that the audio frequency can be expressed more widely.

Referring to fig. 1 to 3, in a non-limiting embodiment of the present utility model, the partition 11 is provided with a bluetooth module 111. In the above technical scheme, set up bluetooth module 111 on baffle 11 of audio amplifier can let the user enjoy wireless audio transmission, convenient connected mode, increase the multifunctionality and the better mobility and the flexibility of audio amplifier, through bluetooth connection, the user can be easily with various equipment and audio amplifier connection, realizes convenient, high-quality wireless audio experience.

Referring to fig. 1 to 3, according to a non-limiting embodiment of the present utility model, the bell mouth 141 of the horn 14 is covered with the filter screen 4. In the above technical solution, the filter screen 4 is disposed at the horn mouth 141 of the horn 14, and the filter screen 4 serves as a physical barrier, so that impurities, dust, foreign matters and the like can be effectively prevented from entering the horn 14, the normal operation and tone quality performance of the speaker are affected, the risk can be reduced to the greatest extent due to the existence of the filter screen 4, and the safety and durability of the horn unit are protected; the sound waves can be uniformly distributed, the filter screen 4 is provided with a pore structure, a certain scattering and diffusion effect is achieved on the sound wave beams, the sound waves which are uniformly distributed and output can be prevented from being obviously directional, the sound can be more uniformly spread in the horizontal direction, resonance and distortion can be reduced, the resonance and distortion can be reduced to a certain extent due to the existence of the filter screen 4, the filter screen 4 is arranged at the horn mouth 141 and can serve as a barrier, tiny reflection and scattering are produced on the sound wave forward path, resonance phenomenon is reduced, sound distortion caused by too many echoes is avoided, the filter screen 4 is of an arc-shaped structure with an upward arch in the middle, the filter screen 4 of an arc shape has attractive appearance, and the overall visual attraction of the box body 1 can be increased.

In the description of the present utility model, it should be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing examples are merely exemplary embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the utility model, and that these obvious alternatives fall within the scope of the utility model.

Claims (8)

1. The utility model provides a holographic sound field audio amplifier, includes box, its characterized in that: the upper end and the lower end of the box body are both of an opening structure, the box body is internally divided into an upper chamber and a lower chamber through a partition board, wherein a horn is arranged at a center shaft in the upper chamber, the horn is in a horn shape, the outer edge of a horn mouth of the horn is inscribed with an opening of the upper chamber, the outer diameter of the horn is contracted along the opening of the box body towards the direction of the partition board to form a narrow opening, the narrow opening is connected with a first loudspeaker, a plurality of through holes are formed in the peripheral side of the upper chamber, and a second loudspeaker is arranged at a position corresponding to the through holes of the box body; the opening part of lower cavity is covered and is closed a sealed apron, be equipped with a sound outlet on the sealed apron, install the bass driver on the corresponding position that the sealed apron is located the sound outlet, the bass driver is installed in sealed apron inboard, the bass driver includes the vibrator, the outer end of vibrator and the outside surface parallel and level of sealed apron.

2. A holographic acoustic field loudspeaker as claimed in claim 1, wherein: and a silica gel pad is arranged on one side, far away from the box body, of the sealing cover plate, and the vibrator is in butt joint with the silica gel pad.

3. A holographic acoustic field loudspeaker as claimed in claim 2, wherein: the box is regular hexagonal prism structure, the second speaker is equipped with six, each second speaker is located respectively through the through-hole on six sides of box.

4. A holographic acoustic field loudspeaker as claimed in claim 3, wherein: the side of the box body is provided with a mounting groove outside the through hole, the second loudspeaker enters the box body through the through hole, and the connecting piece of the second loudspeaker is connected with the mounting groove in a matched mode.

5. A holographic acoustic field loudspeaker as claimed in claim 4, wherein: the geometric positions of the second speakers on the side face of the box body are the same, and the distances from the second speakers to the horn are equal.

6. A holographic acoustic field loudspeaker as claimed in claim 5, wherein: the first speaker is a tweeter, and the second speaker is a midrange tweeter.

7. A holographic acoustic field loudspeaker as claimed in any one of claims 1 to 6, in which: and a Bluetooth module is arranged on the partition board.

8. A holographic acoustic field loudspeaker as claimed in claim 7, wherein: the horn mouth upper cover of the horn is covered with a filter screen.