CN210201999U

CN210201999U - Magnetic suspension audio amplifier with frequency division

Info

Publication number: CN210201999U
Application number: CN201920942999.XU
Authority: CN
Inventors: Zhenxun Liu; 刘振勋
Original assignee: Guangzhou Dayingyi Technology Co Ltd
Current assignee: Guangzhou Dayingyi Technology Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-03-27
Anticipated expiration: 2029-06-21

Abstract

The utility model belongs to the field of magnetic suspension sound boxes, and discloses a magnetic suspension sound box with frequency division, which comprises a base body, wherein the upper side of the base body is provided with a magnetic suspension body for sound production, the upper end inner wall of the base body is provided with an electromagnet, the lower end inner wall of the magnetic suspension body is provided with a permanent magnet and a wireless charging module which are used for repelling with the electromagnet, and the magnetic suspension sound box is characterized in that the upper side of the permanent magnet is provided with a tweeter, the lower side of the electromagnet is provided with a separation layer which is used for communicating with the outside, the lower side of the separation layer is provided with a first midrange horn, and the lower end of the base body is provided with a woofer; the problem of magnetic suspension audio amplifier tone quality poor can't reach ordinary tone quality level is solved.

Description

Magnetic suspension audio amplifier with frequency division

Technical Field

The utility model relates to a magnetic suspension audio amplifier field, especially a magnetic suspension audio amplifier with frequency division.

Background

The appearance of the magnetic suspension sound box is a leading-edge technology combining a plurality of subject fields of human scientific development history, so that the technologies such as electronic electroacoustic, space airflow, electromagnetic force field, wireless radio frequency, man-machine interaction control and the like are perfectly integrated, and better music experience can be brought to people.

The suspension body of the existing magnetic suspension Bluetooth sound box on the market is divided into full-tone loudspeakers, the tone quality is very common, and audio frequency division is not performed, so that the main effect of the suspension body is only an ornamental effect, and the actual effect is not exerted on the tone quality.

Present magnetic suspension bluetooth speaker's concrete structure can refer to the public technical scheme that patent application number is 201220728526.8, and it has announced a magnetic suspension speaker, including the magnetic suspension base that can produce magnetic field and through magnetic force suspension the audio amplifier of magnetic suspension base top, the magnetic suspension base include base PCB board and with the magnetic field sensor that base PCB board electricity is connected, magnetic field sensor will the volume of magnetic suspension base top audio amplifier on horizontal direction and vertical direction magnetic field change is transformed into the signal of telecommunication to handle it, so that the audio amplifier returns to former balanced position under the effect of magnetic field power.

In the field, there is not a magnetic suspension audio amplifier with frequency division yet, only a whole-tone loudspeaker, do not make the frequency division to tone quality, can't reach the tone quality level of ordinary audio amplifier, have great defect on tone quality, lead to the listening to be relatively poor, still have great gap with ordinary audio amplifier.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a magnetic suspension audio amplifier with frequency division, it is poor to solve magnetic suspension audio amplifier tone quality, can't reach ordinary tone quality horizontally problem.

The utility model provides a technical scheme does: the utility model provides a magnetic suspension audio amplifier with frequency division, includes base body, base body's upside be equipped with the magnetic suspension body that is used for the sound production, base body's upper end inner wall be equipped with the electro-magnet, the lower extreme inner wall of magnetic suspension body be equipped with be used for permanent magnet and the wireless module of charging repellent mutually with the electro-magnet, a serial communication port, permanent magnet's upside be equipped with loudspeaker, the downside of electro-magnet be equipped with be used for with external communicating spaced layer, the downside of spaced layer be equipped with first medium pitch loudspeaker, base body's lower extreme be equipped with woofer.

In the magnetic suspension loudspeaker box with frequency division, the open end of the loudspeaker is arranged downwards; the opening end of the first middle horn is arranged upwards; the open end of the woofer is arranged downwards.

In the magnetic suspension sound box with frequency division, a first sound amplifying block is arranged on the upper end face of the base body and is of a positive conical structure; the upper side of the isolation layer is provided with a partition plate for completely isolating the electromagnet from the isolation layer, the lower side of the partition plate is provided with a second sound amplification block, and the second sound amplification block is of an inverted conical structure.

In the magnetic suspension sound box with frequency division, a plurality of second mediant loudspeakers are arranged between the electromagnet and the partition plate; the second of a plurality of is mediant loudspeaker establish to use the axis of base body to arrange as the circular array of axle center, the second of a plurality of open end of mediant loudspeaker all towards the inner wall of base body.

In the magnetic suspension sound box with frequency division, a cavity for resonance is arranged between the woofer and the inner wall of the lower end of the base body; and a plurality of connecting columns for fixed connection are arranged between the upper side and the lower side of the spacing layer.

In the magnetic suspension sound box with frequency division, a mechanical module for lifting the electromagnet is further arranged inside the base, and the mechanical module comprises a supporting plate, a screw rod, a first gear, a second gear, a micro motor and a supporting frame, wherein the supporting plate is used for being fixed with the electromagnet;

the upper end of the screw rod is fixedly connected with the lower side of the supporting plate; a second gear is arranged on the rod body of the screw rod, and a thread matched with the screw rod is arranged on the inner side of the second gear; the second gear is meshed with the first gear, and the first gear is fixedly connected with the micro motor; the first gear, the second gear and the micro motor are all fixedly connected to the support frame.

In the magnetic suspension sound box with frequency division, the electromagnet is of an annular structure, and a lifting column which is vertically arranged is arranged in an inner ring of the electromagnet; the lower end of the lifting column is fixedly connected with the upper side of the supporting plate, and the upper end of the lifting column is provided with a lifting plate; the upside of lifter plate and the lower extreme fixed connection of first public address piece, the upside of base body be equipped with the through-hole that is used for first public address piece to pass.

In the magnetic suspension sound box with frequency division, the side wall of the base body is provided with a plurality of sound playing holes, and the sound playing holes and the second middle speakers are arranged in a one-to-one correspondence manner.

After the technical scheme is adopted in the utility model, its beneficial effect who has is:

further improvement, this scheme is through setting up loudspeaker, well loudspeaker, woofer and the structure that corresponds on the magnetic suspension audio amplifier for the magnetic suspension audio amplifier also has the effect that the high pitch, well sound, bass carry out frequency division and independent output according to sound.

The suspension body is provided with a plurality of suspension bodies, and the suspension bodies are arranged in the suspension body, so that the suspension bodies are small in size and light in weight, the suspension bodies are beneficial to lifting and suspending, and the surrounding diffusion effect of high pitch can be improved by floating in the air; the bass horn is arranged in the lower end of the base body, most of weight is concentrated on the lower end of the base due to the large volume and the heavy weight of the bass horn, the base can be stably placed, and meanwhile, the lower end of the base body is a better bass resonant cavity, so that the bass effect is more prominent; under the mutual cooperation of the mediant loudspeaker and the isolation layer, the mediant loudspeaker in the middle of the base can play sound to the periphery for 360 degrees through the isolation layer, thereby achieving the best mediant sound playing effect.

The technical scheme is further improved, the opening end of the high pitch loudspeaker faces upwards, so that the end of the high pitch loudspeaker is upward and does not interfere with the permanent magnet, and the sounding of high pitch and the lifting of the suspension body can be independent and simultaneous; the open end of the middle sound loudspeaker is arranged towards the direction, so that the open end is communicated with the spacing layer, and the 360-degree surrounding sound playing effect of the middle sound is improved; the opening end of the woofer is arranged towards the direction, so that the woofer gives out sound waves towards the bottom, and the best bass effect is achieved.

In the scheme, the first sound amplifying block and the second sound amplifying block are arranged, so that downward high-pitch sound waves can be diffused by 360 degrees along the reflection angle after encountering the first sound amplifying block of the pointed cone; similarly, the upward middle sound wave can be diffused to 360 degrees along the reflection angle after encountering the second sound expansion block of the cone, so that the sound reproduction effect is improved, and the sound quality is further improved; the partition plate is arranged, so that the middle sound wave is blocked by the partition plate after passing through the second sound amplifying block, is not continuously transmitted towards the electromagnet, is concentrated near the second sound amplifying block, concentrates the transmission direction and optimizes the sound reproduction effect.

Further improvement, this scheme is through sound loudspeaker in the second for well sound effect obtains strengthening, though first loudspeaker communicate with the external world through the space layer, but first loudspeaker still set up in the inside of base, and the volume still has relative weakening in propagating, adds in a plurality of second towards the external sound loudspeaker after, can carry out the accent of volume greatly under the condition that does not harm the definition, and the fidelity effect of tone quality improves to some extent, and whole tone quality effect obtains strengthening.

Further improvement, this scheme is through setting up the spliced pole for separate the empty layer and can separate empty the realization at base body's middle part, when base body is still as an organic whole, first well audio loudspeaker can be through separating empty layer and external intercommunication, has the practicality.

In the scheme, the mechanical module is arranged, the mechanical module is used for moving the electromagnet to ascend and descend, and the permanent magnet is indirectly influenced to ascend and descend under the interaction force of the magnetic field, so that the action effects of ascending and descending of the suspension body are finally realized; the principle is that the micro motor drives the first gear to rotate, the second gear meshed with the first gear is driven to rotate, the second gear is fixed and limited in the vertical direction, the screw is driven to rotate by utilizing threads on the inner side of the second gear, the screw can ascend and descend according to the rotation after rotating, the supporting plate fixed to the top of the screw is driven to ascend and descend together, and finally the electromagnet fixed to the supporting plate can ascend and descend.

Further improvement, this scheme is through setting up lift post and lifter plate for first public address piece passes through control module and mechanical module fixed connection and is a whole, thereby when mechanical module lift electro-magnet, first public address piece has also obtained the action effect that rises along with the rising of electro-magnet, hides inside the base when not needing to use, wears out the through-hole when needing to use, makes public address effect.

Further improvement, this scheme is through setting up the broadcast hole for the sound reproduction effect of second zhong yin loudspeaker obtains strengthening, with external intercommunication, no matter all makes tone quality wholly obtain promoting in volume or definition.

Drawings

Fig. 1 is a schematic structural diagram of a magnetic suspension sound box with frequency division according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a cavity according to embodiment 1 of the present invention;

fig. 3 is a schematic perspective view of a magnetic suspension sound system with frequency division according to embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a mechanical module according to embodiment 1 of the present invention.

Reference numerals: 1. a suspension; 2. a base body; 3. a second sound amplification block; 4. a tweeter; 5. a wireless charging module; 6. a permanent magnet; 7. a spacer layer; 8. a first midrange speaker; 9. a woofer; 10. a cavity; 11. a first sound amplification block; 12. An electromagnet; 13. a second midrange speaker; 14. a sound playing hole; 15. connecting columns; 16. a lifting plate; 17. a lifting column; 18. a support plate; 19. a screw; 20. a second gear; 21. a first gear; 22. a support frame; 23 micro motor

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the following detailed description, but the present invention is not limited thereto.

Example 1: as shown in fig. 1-4, a magnetic suspension sound box with frequency division, includes base body 2, the upside of base body 2 be equipped with the magnetic suspension body 1 that is used for the sound production, the upper end inner wall of base body 2 be equipped with electro-magnet 12, the lower extreme inner wall of magnetic suspension body 1 be equipped with be used for with electro-magnet 12 repulsion permanent magnet 6 and wireless charging module 5, its characterized in that, the upside of permanent magnet 6 be equipped with loudspeaker 4, the downside of electro-magnet 12 be equipped with be used for with external communicating isolated layer 7, the downside of isolated layer be equipped with first medium sound loudspeaker 8, the lower extreme of base body 2 be equipped with woofer 9.

The final purpose is that the magnetic suspension sound box has the effect of frequency division and independent output according to the high pitch, the middle pitch and the low pitch of sound by arranging the high pitch loudspeaker 4, the middle pitch loudspeaker, the low pitch loudspeaker 9 and the corresponding structures on the magnetic suspension sound box.

In the application process, the tweeter 4 is arranged in the suspension body 1, and the tweeter 4 has small volume and light weight, so that the suspension body 1 lightens the load, is beneficial to lifting and suspending the suspension body 1, and can increase the surrounding diffusion effect of high pitch when floating in the air; the woofer 9 is arranged in the lower end of the base body 2, most of weight is concentrated on the lower end of the base due to the large volume and the heavy weight of the woofer 9, the base can be stably placed, and meanwhile, the lower end of the base body 2 is a good bass resonant cavity, so that the bass effect is more prominent; under the mutual cooperation of the mediant loudspeaker and the hollow isolation layer 7, the mediant loudspeaker in the middle of the base can play sound to the periphery for 360 degrees through the hollow isolation layer 7, thereby achieving the best mediant sound playing effect.

In the present embodiment, the open end of the tweeter 4 is disposed downward; the open end of the first middle loudspeaker 8 is arranged upwards; the open end of the woofer 9 is arranged downwards.

Preferably, the opening end of the tweeter 4 is arranged to face upwards, so that the end of the tweeter 4 faces upwards, the tweeter and the permanent magnet 6 do not interfere with each other, and the high-pitched sound and the lifting of the suspension body 1 can be performed independently and simultaneously; the open end of the middle speaker is arranged towards the direction, so that the open end is communicated with the spacing layer 7, and the 360-degree surrounding sound playing effect of the middle speaker is improved; the open end of the woofer 9 is arranged towards the direction, so that the woofer 9 gives out sound waves towards the bottom, and the best bass effect is achieved.

In this embodiment, the upper end surface of the base body 2 is provided with a first sound amplifying block 11, and the first sound amplifying block 11 is a positive conical structure; the upper side of the isolation layer 7 is provided with a partition plate for completely isolating the electromagnet 12 from the isolation layer 7, the lower side of the partition plate is provided with a second sound amplification block 3, and the second sound amplification block 3 is of an inverted conical structure.

In practical application, the first sound amplifying block 11 and the second sound amplifying block 3 are arranged, so that downward high-pitch sound waves can be diffused by 360 degrees around along a reflection angle after encountering the first sound amplifying block 11 of the pointed cone; similarly, the upward middle sound wave can also be diffused to 360 degrees around along the reflection angle after encountering the second sound amplification block 3 of the cone, so that the sound reproduction effect is improved, and the sound quality is further improved; the arrangement of the partition plate ensures that the middle sound wave is blocked by the partition plate after passing through the second sound amplifying block 3, does not continuously propagate towards the electromagnet 12, and is concentrated near the second sound amplifying block 3 to concentrate the propagation direction, thereby optimizing the sound reproduction effect.

In this embodiment, a plurality of second midrange horns 13 are arranged between the electromagnet 12 and the partition plate; the second mediant loudspeaker 13 of a plurality of establish to use the axis of base body 2 as the circular array of axle center and arrange, the second mediant loudspeaker 13 of a plurality of open end all towards the inner wall of base body 2.

Preferably, through second zhongyin loudspeaker 13 for the zhongyin effect is strengthened, and first loudspeaker is through separating empty layer 7 and external intercommunication, but first loudspeaker still set up the inside at the base, and the volume still has relative weakening in propagating, adds in towards external a plurality of second zhongyin loudspeaker 13 after, can carry out the accent of volume under the condition of not damaging the definition, and the fidelity effect of tone quality improves to some extent, and whole tone quality effect is strengthened.

In this embodiment, a cavity 10 for resonance is provided between the woofer 9 and the inner wall of the lower end of the base body 2; a plurality of connecting columns 15 for fixed connection are arranged between the upper side and the lower side of the spacing layer 7; make to separate empty layer 7 and can separate empty the realization at base body 2's middle part, when base body 2 is still as an organic whole, first mediant loudspeaker 8 can be through separating empty layer 7 and external intercommunication, has the practicality.

As a further improvement of this embodiment, a mechanical module for lifting the electromagnet 12 is further disposed inside the base, and the mechanical module includes a support plate 18 for fixing with the electromagnet 12, a screw 19, a first gear 21, a second gear 20, a micro motor 23, and a support frame 22;

the upper end of the screw rod 19 is fixedly connected with the lower side of the support plate 18; a second gear 20 is arranged on the rod body of the screw rod 19, and threads matched with the screw rod 19 are arranged on the inner side of the second gear 20; the second gear 20 is meshed with the first gear 21, and the first gear 21 is fixedly connected with the micro motor 23; the first gear 21, the second gear 20 and the micro motor 23 are all fixedly connected to the support frame 22.

Preferably, by providing a mechanical module, the ascending and descending of the electromagnet 12 are moved by the mechanical module, and the ascending and descending of the permanent magnet 6 are indirectly influenced by the interaction force of the magnetic field, thereby finally achieving the operation effect of ascending and descending the levitation body 1.

The operation principle is that the micro motor 23 drives the first gear 21 to rotate, the second gear 20 meshed with the first gear 21 is driven to rotate, the second gear 20 is fixed and limited in the vertical direction, the screw thread on the inner side of the second gear is used for driving the screw rod 19 to rotate, the screw rod 19 can ascend and descend according to the rotation after rotating, the supporting plate 18 fixed at the top of the screw rod 19 is driven to ascend and descend together, and finally the electromagnet 12 fixed on the supporting plate 18 can ascend and descend.

As a further improvement of the present embodiment, the electromagnet 12 is of an annular structure, and a lifting column 17 is vertically arranged in an inner ring of the electromagnet 12; the lower end of the lifting column 17 is fixedly connected with the upper side of the supporting plate 18, and the upper end of the lifting column 17 is provided with a lifting plate 16; the upper side of the lifting plate 16 is fixedly connected with the lower end of the first sound amplifying block 11, and the upper side of the base body 2 is provided with a through hole for the first sound amplifying block 11 to pass through.

Preferably, in the scheme, the lifting column 17 and the lifting plate 16 are arranged, so that the first sound amplifying block 11 is fixedly connected with the mechanical module into a whole through the control module, the mechanical module lifts the electromagnet 12, the first sound amplifying block 11 also obtains an action effect of lifting along with the lifting of the electromagnet 12, and the first sound amplifying block is hidden in the base when not used and penetrates out of the through hole when used to realize a sound amplifying effect.

In addition, a plurality of broadcast holes 14 are arranged on the side wall of the base body 2, and the broadcast holes 14 are arranged in one-to-one correspondence with the second middle speakers 13; the sound reproduction effect of the second middle loudspeaker 13 is enhanced and communicated with the outside, and the tone quality is integrally improved in volume and definition.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The utility model provides a magnetic suspension audio amplifier with frequency division, includes base body, base body's upside be equipped with the magnetic suspension body that is used for the sound production, base body's upper end inner wall be equipped with the electro-magnet, the lower extreme inner wall of magnetic suspension body be equipped with be used for permanent magnet and the wireless module of charging repellent mutually with the electro-magnet, a serial communication port, permanent magnet's upside be equipped with loudspeaker, the downside of electro-magnet be equipped with be used for with external communicating spaced layer, the downside of spaced layer be equipped with first medium pitch loudspeaker, base body's lower extreme be equipped with woofer.

2. The magnetically levitated sound box with frequency division as claimed in claim 1, wherein an open end of said tweeter is disposed downward; the opening end of the first middle horn is arranged upwards; the open end of the woofer is arranged downwards.

3. The magnetic suspension sound box with frequency division according to claim 1, wherein the upper end surface of the base body is provided with a first sound diffusing block, and the first sound diffusing block is of a positive conical structure; the upper side of the isolation layer is provided with a partition plate for completely isolating the electromagnet from the isolation layer, the lower side of the partition plate is provided with a second sound amplification block, and the second sound amplification block is of an inverted conical structure.

4. The magnetic suspension sound box with frequency division according to claim 1, characterized in that a plurality of second midrange horns are arranged between the electromagnet and the partition plate; the second of a plurality of is mediant loudspeaker establish to use the axis of base body to arrange as the circular array of axle center, the second of a plurality of open end of mediant loudspeaker all towards the inner wall of base body.

5. The magnetic suspension sound box with frequency division according to claim 1, characterized in that a cavity for resonance is arranged between the woofer and the inner wall of the lower end of the base body; and a plurality of connecting columns for fixed connection are arranged between the upper side and the lower side of the spacing layer.

6. The magnetic suspension sound box with frequency division according to claim 1, characterized in that a mechanical module for lifting the electromagnet is further arranged inside the base, and the mechanical module comprises a support plate for fixing with the electromagnet, a screw, a first gear, a second gear, a micro motor and a support frame;

7. The magnetic suspension sound box with frequency division of claim 4, wherein the sidewall of the base body is provided with a plurality of broadcast holes, and the broadcast holes are arranged in one-to-one correspondence with the second mediant horns.