CN211860539U

CN211860539U - High power low frequency loudspeaker

Info

Publication number: CN211860539U
Application number: CN202020719790.XU
Authority: CN
Inventors: 杨海洋; 王为钊
Original assignee: Dongguan Weijiasheng Technology Co ltd
Current assignee: Dongguan Weijiasheng Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-11-03
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a speaker of high power low frequency, including tubaeform shell, magnetic circuit, the vocal ware, a fixed plate, tubaeform sleeve and tubaeform lid section of thick bamboo, the inside at tubaeform shell is installed to the magnetic circuit, the vocal ware is fixed to be installed in the magnetic circuit top, the top of vocal ware is provided with the leading tone post, the fixed plate is fixed to be installed at the top surface of vocal ware, tubaeform sleeve cover is established on the lateral surface of leading tone post, tubaeform lid sleeve establishes on tubaeform telescopic lateral surface, tubaeform shell's top is the loudspeaker form to outside the extension, tubaeform sleeve and tubaeform lid section of thick bamboo all are the setting of loudspeaker form. The utility model discloses well tubaeform shell, tubaeform sleeve and tubaeform lid cylindric three-fold reflection assembly that becomes for the sound production of speaker realizes the high power low frequency, and the sound that sends when the speaker is close to the human body is big but not dazzling, and sound wave transfer range is big, and makes the speaker wholly lighter, is convenient for install additional and uses in equipment such as unmanned aerial vehicle.

Description

High power low frequency loudspeaker

Technical Field

The utility model relates to a speaker field, in particular to speaker of high power low frequency.

Background

The loudspeaker is an electronic device for converting electronic signals into sound signals, and is mainly characterized in that mutual repulsion is generated between a voice coil and a magnet after the voice coil is electrified, so that a piston-like effect is formed, a vibrating diaphragm in front of the magnet is pushed, and sound waves in front of the vibrating diaphragm are radiated to the periphery. With the rapid development of the electronic technology industry, various electronic products are developed in a light and thin direction, and the volume of the speaker applied to the electronic products such as an unmanned plane, a television, a car audio and the like is also developed in the light and thin direction.

The work of high power low frequency can't be realized to current speaker, and when the speaker was used for unmanned aerial vehicle, the sound of dazzling appears easily to the speaker when unmanned aerial vehicle was nearer apart from the people, and influence great to people, and sound wave transfer range is less, can't satisfy warning or remind the demand, simultaneously, for the ease of unmanned aerial vehicle flight is littleer to the size requirement of speaker.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the defect that exists among the above-mentioned prior art, provide the speaker of a high power low frequency to solve the problem of proposing among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows: a loudspeaker with high power and low frequency comprises a horn-shaped shell, a magnetic circuit, a sounder, a fixed plate, a horn-shaped sleeve and a horn-shaped cover cylinder, wherein the magnetic circuit is arranged inside the horn-shaped shell, the sounder is fixedly arranged above the magnetic circuit, a sound guide column is arranged at the top end of the sounder, the fixed plate is fixedly arranged on the top surface of the sounder, the horn-shaped sleeve is sleeved on the outer side surface of the sound guide column and is fixedly connected with the fixed plate, and the horn-shaped cover cylinder is sleeved on the outer side surface of the horn-shaped sleeve and is fixedly connected with the fixed plate; wherein, the outside extension in top of tubaeform shell is the loudspeaker form, tubaeform sleeve with tubaeform cover all is the setting of loudspeaker form, the less one end of tubaeform sleeve radius with fixed plate fixed connection, the great one end of tubaeform cover radius with fixed plate fixed connection.

As a further elaboration of the above technical solution:

in the above technical scheme, the top surface of fixed plate is provided with a plurality of centrosymmetric fixed columns, the bottom of horn-shaped cover cylinder is provided with a plurality of fixed blocks corresponding to the fixed columns one by one, the fixed blocks are respectively spliced with the corresponding fixed columns, thereby fixedly connecting the horn-shaped cover cylinder with the fixed plate.

In the technical scheme, the magnetic circuit is fixedly connected with the inner bottom surface of the horn-shaped shell through a first fixing screw; the bottom surface of tubaeform shell sets up the first screw hole of a plurality of central symmetry, magnetic circuit set up all around a plurality of with the second screw hole of first screw hole one-to-one, first fixed screw pass respectively corresponding first screw hole with the locking is cooperateed in the second screw hole, thereby will the magnetic circuit with the inside bottom surface of tubaeform shell is fixed.

In the above technical solution, the sounder and the magnetic circuit are fixedly connected through a second fixing screw; the sounder is provided with a plurality of centrosymmetric third screw holes, the periphery of the magnetic circuit is provided with a plurality of fourth screw holes in one-to-one correspondence with the third screw holes, and the second fixing screws respectively penetrate through the corresponding third screw holes to be matched and locked with the fourth screw holes, so that the sounder is fixedly connected with the magnetic circuit.

In the above technical solution, the fixing plate is fixedly connected with the sounder through a third fixing screw; the fixed plate is provided with a plurality of centrosymmetric fifth screw holes, the sounder is provided with a plurality of sixth screw holes corresponding to the fifth screw holes one to one, and the third fixed screw respectively passes through the fifth screw holes and the sixth screw holes to be matched and locked, so that the fixed plate is fixedly connected with the sounder.

In the above technical scheme, the sounder includes equalizer, diaphragm, pole piece, voice coil loudspeaker voice coil and gasket, equalizer, diaphragm and gasket stack from last down in proper order, the pole piece cover is established on the bottom lateral surface of equalizer, the voice coil loudspeaker voice coil cover is established on the lateral surface of pole piece.

In the above technical scheme, a sound guiding column is arranged in the middle of the equalizer, a plurality of sound guiding holes are uniformly formed in the equalizer around the sound guiding column, and a sound guiding groove is formed between each sound guiding hole and the sound guiding column.

In the above technical scheme, the diaphragm is provided with the positive terminal piece and the negative terminal piece, and the positive terminal piece and the negative terminal piece are symmetrically arranged along the center line of the diaphragm.

Compared with the prior art, the beneficial effects of the utility model reside in that: the top of the horn-shaped shell of the utility model is extended outwards to be horn-shaped, the horn-shaped sleeve and the horn-shaped cover cylinder are all arranged in horn shape, one end with smaller radius of the horn-shaped sleeve is fixedly connected with the fixed plate, one end with larger radius of the horn-shaped cover cylinder is fixedly connected with the fixed plate, the horn-shaped shell, the horn-shaped sleeve and the horn-shaped cover cylinder form a three-fold reflection component, sound waves are transmitted to the horn-shaped sleeve from the sound guide column, the horn-shaped sleeve receives the sound waves and reflects the sound waves to the horn-shaped cover cylinder, the horn-shaped cover cylinder reflects the sound waves to the horn-shaped shell, the horn-shaped shell reflects the sound waves to realize high power and low frequency of the sound production of the loudspeaker, the sound that sends when the speaker is close to the human body is big but not harsh, and sound wave transmission range is big, and makes the speaker wholly lighter, is convenient for install additional and uses in equipment such as unmanned aerial vehicle.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the exploded structure of the present invention;

FIG. 3 is a schematic structural view of a trumpet shell according to the present invention;

fig. 4 is a schematic structural diagram of the equalizer of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, a loudspeaker of high power low frequency, includes tubaeform shell 1, magnetic circuit 2, vocal ware 3, fixed plate 4, tubaeform sleeve 5 and tubaeform lid section of thick bamboo 6, magnetic circuit 2 is installed tubaeform shell 1's inside, vocal ware 3 is fixed to be installed magnetic circuit 2 top, vocal ware 3's top is provided with leading sound post 31, fixed plate 4 is fixed to be installed vocal ware 3's top surface, tubaeform sleeve 5 cover is established leading on sound post 31's the lateral surface and with fixed plate 4 fixed connection, tubaeform lid section of thick bamboo 6 cover is established on tubaeform sleeve 5's the lateral surface and with fixed plate 4 fixed connection. Wherein, the top of tubaeform shell 1 outwards expands to be the loudspeaker form, tubaeform sleeve 5 with tubaeform cover 6 all is the loudspeaker form setting, 5 less one ends of tubaeform sleeve radius with 4 fixed connection of fixed plate, 6 great one ends of tubaeform cover 6 radius with 4 fixed connection of fixed plate. Tubaeform shell 1, tubaeform sleeve 5 and tubaeform lid section of thick bamboo 6 form three folding reflection assembly, the sound wave sends conduction to tubaeform sleeve 5 from leading sound post 31, tubaeform sleeve 5 receives the sound wave after with the sound wave reflection to tubaeform lid section of thick bamboo 6, tubaeform lid section of thick bamboo 6 is again with sound wave reflection to tubaeform shell 1, tubaeform shell 1 is again with sound wave reflection play sound, make the sound production of speaker realize high power low frequency, the sound that sends when the speaker is close to the human body is big but not dazzling, sound wave transfer range is big, and make the speaker wholly lighter, be convenient for install additional and use in equipment such as unmanned aerial vehicle.

In this embodiment, as shown in fig. 2, a plurality of fixed columns 41 with central symmetry are disposed on the top surface of the fixed plate 4, a plurality of fixed blocks 61 corresponding to the fixed columns 41 one by one are disposed at the bottom of the horn-shaped cover cylinder 6, and the fixed blocks 61 are respectively inserted into the corresponding fixed columns 41, so as to fixedly connect the horn-shaped cover cylinder 6 to the fixed plate 4. Specifically, the top surface of fixed plate 4 is provided with 4 fixed columns 41, and 4 fixed columns 41 encircle the central evenly distributed of fixed plate 4, and the bottom of horn-shaped lid section of thick bamboo 6 is provided with 4 fixed blocks 61 with fixed column 41 one-to-one for be connected between horn-shaped lid section of thick bamboo 6 and fixed plate 4 more stably. Of course, the number and the position distribution of the fixing posts 41 and the fixing blocks 61 may be set according to actual conditions, as long as the fixing between the flared cover cylinder 6 and the fixing plate 4 is possible, which is not limited in this embodiment.

As shown in fig. 2 and 3, the magnetic circuit 2 is fixedly connected to the inner bottom surface of the horn housing 1 by a first fixing screw 7. First screw hole 11 of a plurality of central symmetry is seted up to the bottom surface of tubaeform shell 1, magnetic circuit 2 seted up all around a plurality of with the second screw hole 21 of first screw hole 11 one-to-one, first fixed screw 7 passes respectively correspondingly first screw hole 11 with second screw hole 21 cooperatees the locking, thereby will magnetic circuit 2 with tubaeform shell 1's inside bottom surface is fixed.

Specifically, as shown in fig. 2 and 4, the sounder 3 is fixedly connected to the magnetic circuit 2 by a second fixing screw 8. The third screw holes 32 that a plurality of centrosymmetry are seted up to the sounder 3, magnetic circuit 2 seted up all around a plurality ofly with the fourth screw hole 22 of third screw hole 32 one-to-one, second set screw 8 passes respectively correspondingly the third screw hole 32 with the fourth screw hole 22 cooperatees and locks, thereby will the sounder 3 with magnetic circuit 2 fixed connection.

Specifically, as shown in fig. 2 and 4, the fixing plate 4 is fixedly connected with the sounder s3 through a third fixing screw 9; a plurality of centrosymmetric fifth screw holes 42 are provided on the fixing plate 4, a plurality of sixth screw holes 33 corresponding to the fifth screw holes 42 one to one are provided on the sound generator 3, the third fixing screw 9 passes through the fifth screw holes 42 and the sixth screw holes 33 to be locked in a matching manner, so that the fixing plate 4 is fixedly connected with the sound generator 3.

Wherein, first screw hole 11, second screw hole 21, third screw hole 32, fourth screw hole 22, fifth screw hole 42 and sixth screw hole 33 are provided with 4 respectively for be connected more stably between magnetic circuit 2 and tubaeform shell 1, between vocal ware 3 and magnetic circuit 2, between fixed plate 4 and vocal ware 3. Of course, the number and the distribution positions of the first screw hole 11, the second screw hole 21, the third screw hole 32, the fourth screw hole 22, the fifth screw hole 42 and the sixth screw hole 33 may be set according to actual situations, and are not limited in this embodiment.

In this embodiment, as shown in fig. 2, the sounder 3 includes an equalizer 34, a diaphragm 35, a pole piece 36, a voice coil 37 and a spacer 38, the equalizer 34, the diaphragm 35 and the spacer 38 are sequentially stacked from top to bottom, the pole piece 36 is sleeved on an outer side surface of the bottom of the equalizer 34, and the voice coil 37 is sleeved on an outer side surface of the pole piece 36. Specifically, a sound guiding column 31 is disposed in the middle of the equalizer 34, a plurality of sound guiding holes 39 are uniformly formed around the sound guiding column 31 in the equalizer 34, and a sound guiding groove 310 is disposed between each sound guiding hole 39 and the sound guiding column 31. The energized voice coil 37 is forced in the magnetic field, so that the electric signal is converted into the vibration of the voice coil 37, the voice coil 37 vibrates to drive the diaphragm 35, the pole piece 36 and the gasket 38 to vibrate, the force signal is converted into the sound signal to radiate sound, and the sound wave is uniformly transmitted to the sound guiding column 31 along the sound guiding groove 310 through the sound guiding hole 39 on the equalizer 34.

As shown in fig. 2, the diaphragm 35 is provided with a positive terminal piece 311 and a negative terminal piece 312, the positive terminal piece 311 and the negative terminal piece 312 are symmetrically arranged along a center line of the diaphragm 35, and are connected with an external power supply through the positive terminal piece 311 and the negative terminal piece 312 for power supply.

During operation, voice coil 37 vibrates and drives diaphragm 35, pole piece 36 and gasket 38 vibration, turns into the acoustic signal radiation sound with the power signal, the sound wave evenly transmits to leading sound post 31 along leading sound groove 310 through leading sound hole 39 on equalizer 34, leading sound post 31 conducts the sound wave to tubaeform sleeve 5, tubaeform sleeve 5 receives the sound wave after with the sound wave reflection back to tubaeform lid section of thick bamboo 6, tubaeform lid section of thick bamboo 6 is again with the sound wave reflection to tubaeform shell 1, tubaeform shell 1 is again with the sound wave reflection sound, so far the speaker is spread the sound to the external world.

The utility model discloses well horn shape shell 1, horn shape sleeve 5 and horn shape cover section of thick bamboo 6 form seventy percent discount formula reflection assembly for the sound production of speaker realizes the high power low frequency, and the sound that sends when the speaker is close to the human body is big but not harsh, and sound wave transfer range is big, and makes the speaker wholly lighter, is convenient for install additional and uses in equipment such as unmanned aerial vehicle

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 loudspeaker with high power and low frequency is characterized by comprising a horn-shaped shell (1), a magnetic circuit (2), a sounder (3), a fixing plate (4), a horn-shaped sleeve (5) and a horn-shaped cover cylinder (6), wherein the magnetic circuit (2) is arranged inside the horn-shaped shell (1), the sounder (3) is fixedly arranged above the magnetic circuit (2), a sound guide column (31) is arranged at the top end of the sounder (3), the fixing plate (4) is fixedly arranged on the top surface of the sounder (3), the horn-shaped sleeve (5) is sleeved on the outer side surface of the sound guide column (31) and is fixedly connected with the fixing plate (4), and the horn-shaped cover cylinder (6) is sleeved on the outer side surface of the horn-shaped sleeve (5) and is fixedly connected with the fixing plate (4); wherein, the outside extension in top of tubaeform shell (1) is the loudspeaker form, tubaeform sleeve (5) with tubaeform cover section of thick bamboo (6) all are the loudspeaker form setting, the less one end of tubaeform sleeve (5) radius with fixed plate (4) fixed connection, tubaeform cover section of thick bamboo (6) radius great one end with fixed plate (4) fixed connection.

2. The loudspeaker with high power and low frequency as claimed in claim 1, wherein the top surface of the fixing plate (4) is provided with a plurality of centrosymmetric fixing posts (41), the bottom of the horn-shaped cover cylinder (6) is provided with a plurality of fixing blocks (61) corresponding to the fixing posts (41) one by one, and the fixing blocks (61) are respectively inserted into the corresponding fixing posts (41) so as to fixedly connect the horn-shaped cover cylinder (6) with the fixing plate (4).

3. High power low frequency loudspeaker according to claim 1, characterized in that the magnetic circuit (2) is fixedly connected to the inner bottom surface of the horn housing (1) by means of first fixing screws (7); first screw hole (11) of a plurality of central symmetry are seted up to the bottom surface of tubaeform shell (1), magnetic circuit (2) have seted up all around a plurality of with second screw hole (21) of first screw hole (11) one-to-one, first fixed screw (7) pass respectively corresponding first screw hole (11) with second screw hole (21) cooperate the locking, thereby will magnetic circuit (2) with the inside bottom surface of tubaeform shell (1) is fixed.

4. High power low frequency loudspeaker according to claim 1, characterized in that the sound generator (3) is fixedly connected with the magnetic circuit (2) by means of a second fixing screw (8); third screw hole (32) of a plurality of central symmetry are seted up in vocal ware (3), magnetic circuit (2) have seted up all around a plurality ofly with fourth screw hole (22) of third screw hole (32) one-to-one, second set screw (8) pass respectively correspondingly third screw hole (32) with fourth screw hole (22) cooperate the locking, thereby will vocal ware (3) with magnetic circuit (2) fixed connection.

5. The high power low frequency loudspeaker according to claim 1, characterized in that the fixing plate (4) is fixedly connected with the sounder (3) by a third fixing screw (9); the fifth screw hole (42) of a plurality of central symmetry is seted up in fixed plate (4), sounder (3) seted up a plurality of with sixth screw hole (33) of fifth screw hole (42) one-to-one, third fixed screw (9) pass respectively correspondingly fifth screw hole (42) with sixth screw hole (33) cooperate the locking, thereby will fixed plate (4) with sounder (3) fixed connection.

6. The high power and low frequency loudspeaker according to any one of claims 1 to 5, wherein the sound generator (3) comprises an equalizer (34), a diaphragm (35), a pole piece (36), a voice coil (37) and a gasket (38), the equalizer (34), the diaphragm (35) and the gasket (38) are stacked from top to bottom, the pole piece (36) is sleeved on the outer side of the bottom of the equalizer (34), and the voice coil (37) is sleeved on the outer side of the pole piece (36).

7. The loudspeaker of high power and low frequency according to claim 6, wherein the equalizer (34) is provided with a sound guiding column (31) in the middle, the equalizer (34) is provided with a plurality of sound guiding holes (39) around the sound guiding column (31), and a sound guiding groove (310) is provided between each sound guiding hole (39) and the sound guiding column (31).

8. The high power low frequency loudspeaker according to claim 6, characterized in that the diaphragm (35) is provided with a positive terminal plate (311) and a negative terminal plate (312), and the positive terminal plate (311) and the negative terminal plate (312) are symmetrically arranged along the center line of the diaphragm (35).