CN115604634A

CN115604634A - Anti-interference multi-voice-coil-link common magnetic device arranged in parallel

Info

Publication number: CN115604634A
Application number: CN202210986969.5A
Authority: CN
Inventors: 周小古
Original assignee: Guangdong Shengyang Audio Equipment Co ltd
Current assignee: Guangdong Shengyang Audio Equipment Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-01-13
Anticipated expiration: 2042-08-17
Also published as: CN115604634B

Abstract

The invention relates to a link common magnetic device. The invention relates to a multi-voice coil link common magnetic device with anti-interference parallel arrangement. It includes public address set and sets up in the stabilising arrangement of public address set one side, and public address set includes sound generating mechanism, and sound generating mechanism includes a plurality of fixed blocks that are the straight line and arrange, and one side of fixed block is fixed and is provided with the magnetic path, and the opposite side of fixed block is equipped with the voice coil loudspeaker voice coil piece, and the equidistant setting of voice coil loudspeaker voice coil piece. The fixed block, the magnetic block and the voice coil blocks are arranged in a straight line, so that the voice coil blocks work in a uniform and stable magnetic field, the situation that the stress of the voice coil blocks is different is avoided, the distance between every two adjacent voice coil blocks is 12 mm and is less than three-fourths of 20000 Hz wavelength, interference in a sound wave frequency range audible by human ears is avoided, meanwhile, the sound waves are guided by the sound amplifying mechanism, the frequency response of the sound waves is smoother, and the loss of high-frequency energy is reduced.

Description

Anti-interference multi-voice-coil-link common magnetic device arranged in parallel

Technical Field

The invention relates to a link common magnetic device, in particular to a multi-voice coil link common magnetic device with anti-interference arranged in parallel.

Background

The direct definition of the voice coil is that the loudspeaker passes through a coil of current, the coil is an important component of an electrodynamic loudspeaker mechanical wave system, and can also be called the heart of the loudspeaker, in the process of simultaneous transmission of the existing high-pitch linear array sound source, due to the arrangement problem, a plurality of high-pitch linear array sound sources are required to be designed into a waveguide tube complex structure, the loss of ultrahigh frequency energy is caused, in addition, in the working process, the noise which is mutually interfered among audios can be heard by human ears, the use effect is not good, and therefore the multi-voice coil link common magnetic device for reducing the ultrahigh frequency energy consumption and interference is required.

Disclosure of Invention

The invention aims to provide a multi-voice coil link common magnetic device with parallel arrangement and anti-interference functions, which aims to solve the problems in the background technology.

For realizing above-mentioned purpose, a arrange anti many voice coil loudspeaker voice coil link of interference altogether magnetism device of arranging side by side is provided, include public address set and set up in the stabilising arrangement of public address set one side, public address set includes sound production mechanism, sound production mechanism includes a plurality of fixed blocks that are the straight line and arrange, the fixed magnetic path that is provided with in one side of fixed block, the opposite side of fixed block is equipped with the voice coil loudspeaker voice coil piece, the equidistant setting of voice coil loudspeaker voice coil piece, one side of fixed block is equipped with public address mechanism, public address mechanism is used for making the voice coil loudspeaker voice coil piece send the frequency response of sound more level and smooth, stabilising arrangement is used for reducing the interference of sending the audio frequency to the voice coil loudspeaker voice coil piece.

As a further improvement of the technical scheme, the distance between two adjacent voice coil blocks is 12 mm.

As a further improvement of the technical scheme, the voice coil blocks are linearly arranged.

As a further improvement of the technical scheme, a plurality of voice coil blocks are connected in parallel.

As a further improvement of the technical scheme, the sound amplifying mechanism comprises a plurality of accommodating shells, one side of each accommodating shell is fixedly connected with a guide shell, the inner walls of the guide shells are communicated with the inside of each accommodating shell, the accommodating shells and the fixing blocks are arranged in a one-to-one correspondence mode, and a baffle is fixedly arranged between every two adjacent guide shells.

As a further improvement of the technical scheme, one end of the guide shell is fixedly connected with a sound-expanding plate, and the inner wall of the sound-expanding plate is communicated with the guide shell.

As a further improvement of the technical solution, the stabilizing device includes a stabilizing mechanism, the stabilizing mechanism includes a fixing plate, the top of the fixing plate is slidably connected with two stabilizing frames, one side of the stabilizing frame is attached to one side of the guiding shell, one of the stabilizing frames is fixedly connected with a tension spring inside, and one end of the tension spring is fixedly connected with the other stabilizing frame.

As a further improvement of this technical scheme, one side of fixed plate is equipped with the wedge, the fixed plate is run through to the one end of wedge, the one end fixedly connected with carriage of wedge, one side of wedge and the laminating of one side of steady rest, the one end fixedly connected with stabilizing spring of wedge, stabilizing spring's one end fixedly connected with locating piece, locating piece and carriage sliding connection, locating piece and fixed plate fixed connection, the one end fixedly connected with fixture block of carriage.

As a further improvement of the technical scheme, one side of the sliding frame is provided with a top plate, the top end of the top plate is fixedly connected with the sound expansion plate, the bottom of the top plate is close to insertion rods fixedly connected with the two ends, the bottom of the top plate is provided with a bottom plate, the insertion rods and the bottom plate are in insertion connection, the bottom end of each insertion rod is fixedly connected with a buffer spring, and the bottom end of each buffer spring is fixedly connected with the bottom plate.

As a further improvement of the technical solution, one side of the guide shell is provided with a guide mechanism, the guide mechanism comprises a storage shell, the storage shell is sleeved outside the storage shell, the guide mechanism further comprises two guide plates, and the guide plates are fixedly arranged on one side of the sound expansion plate.

Compared with the prior art, the invention has the beneficial effects that:

1. this arrange anti interference's many voice coil loudspeaker voice coil link altogether magnetism device side by side, with the fixed block, magnetic path and voice coil loudspeaker voice coil piece are all established to the straight line and are arranged, make the voice coil loudspeaker voice coil piece work in even stable magnetic field, avoid appearing the different condition appearance of voice coil loudspeaker voice coil piece atress, and interval between two adjacent voice coil loudspeaker voice coil pieces is 12 millimeters, be less than 20000 hertz wavelength's three quarters, avoid taking place to interfere in the sound wave frequency range that the human ear can hear, public address mechanism guides the sound wave simultaneously, make the frequency response of sound wave more level and smooth, reduce the loss of high frequency energy.

2. In the multi-voice-coil-link co-magnetic device with the anti-interference parallel arrangement, when the guide shell and the sound-expanding plate slide, the stabilizing mechanism enables the guide shell and the sound-expanding plate to return to a stable state as soon as possible, the guide shell and the sound-expanding plate are prevented from being continuously in a vibrating state, the influence on sound waves is reduced, meanwhile, the guide mechanism guides the sound waves at the rear of the accommodating shell, and the influence on the sound waves inside the sound-expanding plate is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of a sound amplifying device according to the present invention;

FIG. 3 is a schematic view of the structure of the sound amplifying mechanism of the present invention;

FIG. 4 is a schematic structural diagram of a sound generating mechanism according to the present invention;

FIG. 5 is a second schematic structural diagram of the sound generating mechanism of the present invention;

FIG. 6 is a schematic view of the structure of the stabilizing device of the present invention;

FIG. 7 is a schematic view of the stabilizing mechanism of the present invention;

FIG. 8 is a schematic view of the guide mechanism of the present invention;

fig. 9 is an overall perspective structure diagram of the present invention.

The various reference numbers in the figures mean:

1. a sound amplifying device;

11. a sound amplifying mechanism; 111. a housing case; 112. a guide housing; 113. a baffle plate; 115. a sound-expanding plate; 12. a sound producing mechanism; 121. a fixed block; 122. a magnetic block; 123. a voice coil block;

2. a stabilizing device;

21. a stabilizing mechanism; 211. a fixing plate; 212. a stabilizing frame; 2121. a tension spring; 213. a wedge block; 214. a carriage; 215. positioning blocks; 216. a stabilizing spring; 217. a base plate; 218. a top plate; 219. a buffer spring; 22. a guide mechanism; 221. a housing case; 222. a guide plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Example 1

Referring to fig. 1 to 9, an object of the present embodiment is to provide a multiple voice coil link common magnetic device with parallel arrangement and interference resistance, including a sound amplifying device 1 and a stabilizing device 2 disposed at one side of the sound amplifying device 1, where the sound amplifying device 1 includes a sound generating mechanism 12, the sound generating mechanism 12 includes a plurality of fixed blocks 121 arranged linearly, one side of each fixed block 121 is fixedly provided with a magnetic block 122, the magnetic block 122 is used for generating a magnetic field, the other side of each fixed block 121 is provided with a voice coil block 123, so that the magnetic blocks 122 are arranged linearly to form a stable and uniform magnetic field, and the voice coil blocks 123 cut magnetic lines in the magnetic field to perform the same vibration, so that the fixed blocks 121 are arranged linearly, the voice coil blocks 123 are used for generating audio, the voice coil blocks 123 are arranged at equal intervals, one side of the fixed block 121 is provided with a sound amplifying mechanism 11, the sound amplifying mechanism 11 is used for making the voice coil block 123 generate a smoother frequency response of the sound, and the stabilizing device 2 is used for reducing interference of the audio generated by the voice coil block 123;

the distance between two adjacent voice coil blocks 123 is 12 mm, the wavelength of sound wave obtained by 20000 hz is 12.75 mm, and in order to avoid that the sound wave generated by the voice coil blocks 123 will not interfere between 20 hz and 20000 hz which can be heard by human ears, the distance between the adjacent voice coil blocks 123 is set to be 12 mm;

the voice coil blocks 123 are linearly arranged, and in order to enable the voice coil blocks 123 to cut magnetic lines of force in the uniform magnetic field of the magnetic block 122 to be uniformly stressed, the voice coil blocks 123 are arranged in a linear arrangement;

a plurality of voice coil blocks 123 are connected in parallel, and in order to make the current in the voice coil blocks 123 equal to the current in the film, the voice coil blocks 123 are connected in parallel;

the sound amplifying mechanism 11 comprises a plurality of accommodating cases 111, wherein the accommodating cases 111 are used for determining the positions of fixing blocks 121, one side of each accommodating case 111 is fixedly connected with a guide case 112, the guide cases 112 are used for guiding the propagation direction of sound waves and preventing the sound waves from being interfered, the inner walls of the guide cases 112 are communicated with the inside of the accommodating cases 111, the accommodating cases 111 and the fixing blocks 121 are arranged in a one-to-one correspondence manner, baffles 113 are fixedly arranged between every two adjacent guide cases 112, the baffles 113 are used for guiding the propagation direction of the sound waves and preventing the sound waves among a plurality of voice coil blocks 123 from interfering with each other, and meanwhile, the frequency response of the sound waves of the voice coil blocks 123 is smoother;

one end of the guide shell 112 is fixedly connected with an acoustic panel 115, the acoustic panel 115 is used for guiding the propagation direction of sound waves, and the inner wall of the acoustic panel 115 is communicated with the guide shell 112;

the fixed blocks 121 are arranged linearly, so that a uniform and stable magnetic field is formed around the magnetic blocks 122, the voice coil blocks 123 are connected in parallel, the states of the voice coil blocks 123 in the magnetic field are kept consistent, and when the voice coil blocks 123 emit sound waves, the distance between the voice coil blocks is less than three fourths of 20000 hertz sound waves, interference of the sound waves generated by the voice coil blocks 123 in the range that human ears can hear can be effectively avoided, after the sound waves come out from the voice coil blocks 123, the sound waves are guided by the magnetic blocks 122, the baffle 113 and the sound amplification plate 115 to propagate in the air, compared with a common voice coil link common magnetic device, in the process of guiding sound wave propagation, the phenomenon of interference in the frequency range that human ears can hear can not occur, loss of ultrahigh frequency energy is effectively reduced, and frequency response of the sound waves is smoother.

The stabilizing device 2 comprises a stabilizing mechanism 21, the stabilizing mechanism 21 comprises a fixing plate 211, two stabilizing frames 212 are slidably connected to the top of the fixing plate 211, the fixing plate 211 is used for determining the moving track of the stabilizing frames 212, the stabilizing frames 212 are used for inhibiting the vibration of the guide shell 112, one side of each stabilizing frame 212 is attached to one side of the guide shell 112, a tension spring 2121 is fixedly connected to the inside of one stabilizing frame 212, the tension spring 2121 is used for drawing the two stabilizing frames 212 together, and one end of the tension spring 2121 is fixedly connected to the other stabilizing frame 212;

a wedge block 213 is arranged on one side of the fixing plate 211, one end of the wedge block 213 penetrates through the fixing plate 211, a sliding frame 214 is fixedly connected to one end of the wedge block 213, the wedge block 213 is used for driving the sliding frame 214 to move, in order to push the wedge block 213 to slide when the stabilizing frame 212 slides, the wedge block 213 is set to be wedge-shaped, one side of the wedge block 213 is attached to one side of the stabilizing frame 212, a stabilizing spring 216 is fixedly connected to one end of the wedge block 213, the stabilizing spring 216 is used for pushing the wedge block 213, one end of the stabilizing spring 216 is fixedly connected with a positioning block 215, the positioning block 215 is used for determining the moving track of the sliding frame 214, the positioning block 215 is connected with the sliding frame 214 in a sliding manner, the positioning block 215 is fixedly connected with the fixing plate 211, and one end of the sliding frame 214 is fixedly connected with a clamping block;

a top plate 218 is arranged on one side of the sliding frame 214, the top plate 218 is used for supporting the sound expansion board 115, the top end of the top plate 218 is fixedly connected with the sound expansion board 115, inserting rods are fixedly connected to positions, close to the two ends, of the bottom of the top plate 218, a bottom plate 217 is arranged at the bottom of the top plate 218, the bottom plate 217 is used for determining moving tracks of the inserting rods, the inserting rods are in inserting fit with the bottom plate 217, buffer springs 219 are fixedly connected to the bottom ends of the inserting rods, the buffer springs 219 are used for providing upward thrust for the inserting rods, the sound expansion board 115 is buffered, and the bottom ends of the buffer springs 219 are fixedly connected with the bottom plate 217;

when the sound-expanding plate 115 is vibrated due to external influence, the buffer spring 219 buffers the sound-expanding plate 115 through the inserted link and the top plate 218, so that the sound-expanding plate 115 is quickly returned to the original position, and sound waves are prevented from being influenced due to vibration;

when the guide shell 112 shakes, the guide shell 112 pushes the stabilizing frame 212 on one side, the stabilizing frame 212 pushes the guide shell 112 under the cooperation with the tension spring 2121, so that the shaking range of the guide shell 112 is reduced, the wedge-shaped block 213 is pushed to slide against the elastic force of the stabilizing spring 216 when the stabilizing frame 212 moves, the sliding frame 214 is driven to slide, the shaking range of the guide shell 112 is further reduced, the sliding frame 214 drives the clamping block to seal the gap between the top plate 218 and the bottom plate 217, the sound expansion plate 115 is prevented from shaking when the guide shell 112 shakes, and the guide shell 112 and the sound expansion plate 115 are stopped shaking and shaking in the shortest time.

The guide mechanism 22 is arranged on one side of the guide shell 112, the guide mechanism 22 includes a storage shell 221, the storage shell 221 is sleeved outside the storage shell 111, the storage shell 221 is used for collecting sound waves propagated from the rear by the voice coil block 123, the guide mechanism 22 further includes two guide plates 222, the guide plates 222 are used for blocking and guiding the sound waves outside the sound diffuser 115 to prevent the sound waves from affecting the sound waves inside the sound diffuser 115, and the guide plates 222 are fixedly arranged on one side of the sound diffuser 115;

when the voice coil block 123 emits sound waves, the accommodating case 221 collects the sound waves propagated from the position of the accommodating case 111, and transmits the sound waves to the surface of the guide plate 222 for guiding, and meanwhile, a part of the sound waves are blocked by the bottom plate 217 and the top plate 218, so that the sound waves inside the sound expansion plate 115 are prevented from being influenced.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an anti interference's many voice coil loudspeaker voice coil link of arranging side by side is magnetic device altogether which characterized in that: including public address set (1) and set up in stabilising arrangement (2) of public address set (1) one side, public address set (1) includes sound production mechanism (12), sound production mechanism (12) include a plurality of fixed blocks (121) that are the straight line and arrange, one side of fixed block (121) is fixed and is provided with magnetic path (122), the opposite side of fixed block (121) is equipped with voice coil piece (123), voice coil piece (123) equidistant setting, one side of fixed block (121) is equipped with public address mechanism (11), public address mechanism (11) are used for making voice coil piece (123) send out the frequency response of sound more level and smooth, stabilising arrangement (2) are used for reducing the interference of sending the audio frequency to voice coil piece (123).

2. The juxtaposed anti-interference multitone coil link common magnetic device as recited in claim 1, wherein: the distance between two adjacent voice coil blocks (123) is 12 mm.

3. The juxtaposed anti-interference multitone coil link common magnetic device as recited in claim 1, wherein: the voice coil blocks (123) are arranged in a straight line.

4. The juxtaposed anti-interference multitone coil link common magnetic device as recited in claim 1, wherein: and a plurality of voice coil blocks (123) are connected together in parallel.

5. The juxtaposed anti-interference multitone coil link common magnetic device as recited in claim 1, wherein: public address mechanism (11) are including a plurality of shells (111) of holding, one side fixedly connected with of holding shell (111) leads shell (112), the inner wall of leading shell (112) is linked together with the inside of holding shell (111), hold shell (111) and fixed block (121) one-to-one setting, fixedly between two adjacent guide shells (112) be provided with baffle (113).

6. The juxtaposed anti-interference multitone coil link common magnetic device as recited in claim 5, wherein: one end of the guide shell (112) is fixedly connected with a sound-diffusing plate (115), and the inner wall of the sound-diffusing plate (115) is communicated with the guide shell (112).

7. The parallel-arrangement anti-interference multi-voice coil link common magnetic device as claimed in claim 1, wherein: stabilising arrangement (2) include stabilizing mean (21), stabilizing mean (21) includes fixed plate (211), the top sliding connection of fixed plate (211) has two stabilizer (212), one side of stabilizer (212) and the laminating of one side of guide shell (112), one of them the inside fixedly connected with tension spring (2121) of stabilizer (212), the one end and another stabilizer (212) fixed connection of tension spring (2121).

8. The juxtaposed anti-interference multitone coil link common magnetic device as recited in claim 7, wherein: one side of fixed plate (211) is equipped with wedge (213), fixed plate (211) is run through to the one end of wedge (213), one end fixedly connected with carriage (214) of wedge (213), one side of wedge (213) and the laminating of one side of steady rest (212), the one end fixedly connected with stabilizing spring (216) of wedge (213), the one end fixedly connected with locating piece (215) of stabilizing spring (216), locating piece (215) and carriage (214) sliding connection, locating piece (215) and fixed plate (211) fixed connection, the one end fixedly connected with fixture block of carriage (214).

9. The parallel-arrangement anti-interference multi-voice coil link common magnetic device as claimed in claim 8, wherein: one side of carriage (214) is equipped with roof (218), the top and the acoustic panel (115) fixed connection of roof (218), the position fixedly connected with inserted bar that roof (218) bottom is close to both ends, the bottom of roof (218) is equipped with bottom plate (217), inserted bar and bottom plate (217) cooperation of pegging graft, the bottom fixedly connected with buffer spring (219) of inserted bar, the bottom and bottom plate (217) fixed connection of buffer spring (219).

10. The parallel-arrangement anti-interference multi-voice coil link common magnetic device as claimed in claim 5, wherein: one side of guide shell (112) is equipped with guiding mechanism (22), guiding mechanism (22) are including accomodating shell (221), accomodate shell (221) cover and locate the outside that holds shell (111), guiding mechanism (22) still include two guide boards (222), guide board (222) are fixed to be set up in one side of acoustic panel (115).