CN214101782U

CN214101782U - Double-voice-coil complementary driving type loudspeaker

Info

Publication number: CN214101782U
Application number: CN202120363119.0U
Authority: CN
Inventors: 朱慎书
Original assignee: Sihong Shangyang Electroacoustic Equipment Co ltd
Current assignee: Sihong Shangyang Electroacoustic Equipment Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-08-31
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a complementary drive formula speaker of two voice coil loudspeaker voice coils, including shell and the complementary drive formula speaker body of two voice coil loudspeaker voice coils, the shell openly opens there is the mounting groove, mounting groove and the complementary drive formula speaker body looks adaptation of two voice coil loudspeaker voice coils, the welding of shell inner wall has the backup pad, the backup pad is kept away from mounting groove one side and is provided with the baffle with shell inner wall welded, be provided with the cooling chamber between baffle and the backup pad, the welding of baffle has the semiconductor refrigeration chip that the equidistance distributes, the refrigeration end of semiconductor refrigeration chip is located the cooling intracavity portion, cooling chamber inner wall sliding connection has filter box and drying net case, filter box is the same with drying net case size. The utility model discloses in, the fan rotates in with air suction cooling chamber, and semiconductor refrigeration chip cools down the air, and the air entering shell after the cooling is inside to carry out the heat exchange with the inside high temperature air of shell, dispels the heat to the complementary drive formula speaker body of two voice coils, reduces the complementary drive formula speaker body fault rate of two voice coils.

Description

Double-voice-coil complementary driving type loudspeaker

Technical Field

The utility model relates to a speaker technical field especially relates to complementary drive formula speaker of two voice coil loudspeaker voice coils.

Background

The loudspeaker is also called a loudspeaker, which is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has a great influence on the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect.

However, the speaker generates heat during use, and the dual-voice coil complementary driving type speaker in the prior art has the defect of poor heat dissipation in terms of structural arrangement. The loudspeaker works in a high-temperature environment for a long time, so that the service life of the loudspeaker is very easy to shorten.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a shortcoming in order to solve exist among the prior art, and the complementary drive formula speaker of double voice coil loudspeaker voice coil that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the double-voice coil complementary driving type loudspeaker comprises a shell and a double-voice coil complementary driving type loudspeaker body, wherein the front surface of the shell is provided with a mounting groove, the mounting groove is matched with the double-voice coil complementary driving type loudspeaker body, the inner wall of the shell is welded with a support plate, one side, far away from the mounting groove, of the support plate is provided with a partition plate welded with the inner wall of the shell, a cooling cavity is arranged between the partition plate and the support plate, the partition plate is welded with semiconductor refrigeration chips distributed at equal intervals, the refrigeration ends of the semiconductor refrigeration chips are positioned in the cooling cavity, the inner wall of the cooling cavity is connected with a filtering net box and a drying net box in a sliding mode, the sizes of the filtering net box and the drying net box are the same, the outer wall of the support plate, close to one side of the mounting groove, is welded with damping springs and damping cotton slivers distributed at equal intervals, the ends of the damping springs and the damping cotton slivers are welded with buffer plates, the two sides of the outer wall, close to one side of the mounting groove, are both welded with mounting plates, and the outer wall of the mounting plate is welded with fixing springs which are distributed at equal intervals, the tail ends of the fixing springs are welded with fixing plates, the outer wall of one side of the shell is welded with a mounting cover, and the inner wall of the mounting cover is welded with a fan, the outer walls of the two sides of the mounting cover are both provided with silencing grooves, the inner walls of the silencing grooves are connected with silencing plates in a sliding way, the inner wall of the shell close to one side of the mounting cover is provided with a conveying pipe, and the two ends of the conveying pipe are respectively communicated with the interior of the cooling cavity and the interior of the mounting cover, one side of the mounting cover, which is close to the mounting groove, is provided with a temperature sensor welded with the inner wall of the shell, the inner wall of the mounting groove is provided with a buffer groove, and the inner wall of the buffer groove is welded with a buffer spring, the tail end of the buffer spring is welded with a baffle plate which is in sliding connection with the inner wall of the buffer groove, the baffle plate is contacted with the double-voice-coil complementary driving type loudspeaker body, the outer wall of one side of the shell, which is far away from the fan, is provided with holes distributed at equal intervals, and the inner wall of each hole is connected with a dustproof net in a sliding manner.

Preferably, the equal sliding connection in shell top outer wall both sides has the apron, and the welding of apron top has the handle of drawing, and the adjacent both sides outer wall of apron has all welded sealed the pad, and sealed pad size and apron size looks adaptation have all welded the slider in shell top outer wall both sides, and apron bottom outer wall both sides all open has the spout, slider and spout inner wall sliding connection.

Preferably, the temperature sensor is connected with a controller through a wire, and the controller is connected with the fan through a wire.

Preferably, the mounting cover outer wall is opened has the equidistance ventilation hole that distributes, and the ventilation hole is inside to be filled with inhales the sound cotton.

Preferably, the supporting plate, the buffer plate, the mounting plate and the fixing plate are all provided with air holes distributed at equal intervals.

Preferably, the outer walls of the buffer plate and the fixed plate are welded with anti-slip pads, and the sizes of the anti-slip pads are respectively matched with the buffer plate and the fixed plate.

The utility model has the advantages that:

1. the utility model discloses in, open the apron, put into the shell with the complementary drive formula speaker body of two voice coils and install, when the complementary drive formula speaker body of two voice coils is installed, the fixed spring shrink drives the fixed plate and retreats and install, after the installation, the fixed plate fixes the complementary drive formula speaker body of two voice coils under the fixed spring elastic force effect, the slipmat increases the friction, make the complementary drive formula speaker body of two voice coils more firm, the slipmat protects the complementary drive formula speaker body of two voice coils simultaneously, avoid the complementary drive formula speaker body of two voice coils to directly contact with fixed plate, backup pad, avoid the complementary drive formula speaker body of two voice coils to abrade, prolong the complementary drive formula speaker body life of two voice coils;

2. the temperature sensor monitors the temperature inside the shell, when the temperature inside the shell rises due to the work of the loudspeaker, the temperature sensor drives the fan to rotate through the controller, outside air is pumped into the cooling cavity, the filtering net box filters dust and impurities in the air, the drying net box dries the air, the dust and the moisture in the air are prevented from entering the shell to influence the double-voice-coil complementary driving type loudspeaker body, the semiconductor refrigeration chip cools the air, the cooled air enters the shell to exchange heat with high-temperature air inside the shell to take away the high-temperature air, and the double-voice-coil complementary driving type loudspeaker body is cooled. The influence of noise on the tone quality of the loudspeaker is avoided.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of a dual voice coil complementary driving type speaker according to the present invention;

fig. 2 is a schematic view of an internal structure of a housing of a dual voice coil complementary driving type speaker according to the present invention;

fig. 3 is a schematic diagram of a cover plate structure of the dual voice coil complementary driving speaker of the present invention.

In the figure: the loudspeaker comprises a shell 1, a double-voice-coil complementary driving type loudspeaker body 2, a supporting plate 3, a partition plate 4, a semiconductor refrigerating chip 5, a filtering net cage 6, a drying net cage 7, a damping spring 8, a damping cotton sliver 9, a buffering plate 10, an installing plate 11, a fixing spring 12, a fixing plate 13, an installing cover 14, a fan 15, a silencing plate 16, a temperature sensor 17 and a buffering spring 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the dual voice coil complementary driving type loudspeaker comprises a housing 1 and a dual voice coil complementary driving type loudspeaker body 2, wherein the front surface of the housing 1 is provided with a mounting groove matched with the dual voice coil complementary driving type loudspeaker body 2, a supporting plate 3 is welded on the inner wall of the housing 1, a partition plate 4 welded with the inner wall of the housing 1 is arranged on one side of the supporting plate 3 away from the mounting groove, a cooling cavity is arranged between the partition plate 4 and the supporting plate 3, semiconductor refrigeration chips 5 distributed at equal intervals are welded on the partition plate 4, the refrigeration ends of the semiconductor refrigeration chips 5 are positioned in the cooling cavity, a filtering net box 6 and a drying net box 7 are connected on the inner wall of the cooling cavity in a sliding manner, the size of the filtering net 6 is the same as that of the drying net box 7, damping springs 8 and damping cotton slivers 9 distributed at equal intervals are welded on the outer wall of one side of the supporting plate 3 close to the mounting groove, and damping spring 8 and the end of shock attenuation silver 9 weld have buffer board 10, buffer board 10 is close to mounting groove one side outer wall both sides all weld mounting panel 11, and mounting panel 11 outer wall weld have equidistant distributed fixed spring 12, fixed spring 12 end weld have fixed plate 13, the backup pad 3, buffer board 10, mounting panel 11, fixed plate 13 all open the equidistance distributed bleeder vent, buffer board 10, fixed plate 13 outer wall all weld the slipmat, and the slipmat size is respectively with buffer board 10, fixed plate 13 looks adaptation, when the complementary drive formula speaker body 2 of two voice coils is installed, fixed spring 12 contracts and drives fixed plate 13 and moves back and install, after the installation is accomplished, fixed plate 13 fixes the complementary drive formula speaker body 2 of two voice coils under the effect of fixed spring 12 elasticity, the slipmat increases the friction, makes the complementary drive formula speaker body 2 of two voice coils more firm, meanwhile, the anti-slip pad protects the double-voice-coil complementary driving type loudspeaker body 2, the double-voice-coil complementary driving type loudspeaker body 2 is prevented from being directly contacted with the fixing plate 13 and the supporting plate 3, the double-voice-coil complementary driving type loudspeaker body 2 is prevented from being abraded, and the service life of the double-voice-coil complementary driving type loudspeaker body 2 is prolonged;

the outer wall of one side of the shell 1 is welded with an installation cover 14, the inner wall of the installation cover 14 is welded with a fan 15, the outer walls of two sides of the installation cover 14 are respectively provided with a silencing groove, the inner wall of the silencing groove is connected with a silencing plate 16 in a sliding manner, the outer wall of the installation cover 14 is provided with ventilation holes distributed at equal intervals, sound absorbing cotton is filled in the ventilation holes, the inner wall of one side of the shell 1 close to the installation cover 14 is provided with a conveying pipe, two ends of the conveying pipe are respectively led into the cooling cavity and the installation cover 14, one side of the installation cover 14 close to the installation groove is provided with a temperature sensor 17 welded with the inner wall of the shell 1, the temperature sensor 17 is connected with a controller through a wire, the controller is connected with the fan 15 through a wire, the inner wall of the installation groove is provided with a buffer groove, the inner wall of the buffer groove is welded with a buffer spring 18, and the tail end of the buffer spring 18 is welded with a baffle plate connected with the inner wall of the buffer groove in a sliding manner, the baffle is contacted with the double-voice-coil complementary drive type loudspeaker body 2, holes which are distributed equidistantly are formed in the outer wall of one side, away from the fan 15, of the shell 1, a dustproof net is connected to the inner wall of each hole in a sliding mode, the temperature sensor 17 monitors the temperature inside the shell 1, when the temperature inside the shell 1 rises due to the work of the loudspeaker, the temperature sensor 17 drives the fan 15 to rotate through the controller, outside air is sucked into the cooling cavity, the filtering net box 6 filters dust and impurities in the air, the drying net box 7 dries the air, the dust and impurities in the air are prevented from entering the shell 1 to affect the double-voice-coil complementary drive type loudspeaker body 2, the semiconductor refrigeration chip 5 cools the air, the cooled air enters the shell 1 to perform heat exchange with high-temperature air inside the shell 1, high-temperature air is taken away, and the double-voice-coil complementary drive type loudspeaker body 2 is cooled, compare in traditional device, avoid two voice coil loudspeaker voice coil complementary drive formula speaker body 2 to be in work under the high temperature environment, reduce two voice coil loudspeaker voice coil complementary drive formula speaker body 2 fault rates, 16 noise absorption boards with fan 15 work produced noise absorption, avoid the noise to produce the influence to speaker tone quality, the equal sliding connection in 1 top outer wall both sides of shell has the apron, and the welding of apron top has the handle of drawing, and the adjacent both sides outer wall of apron has all welded sealed the pad, sealed pad size and apron size looks adaptation, and the slider has all been welded in 1 top outer wall both sides of shell, and apron bottom outer wall both sides all have opened the spout, slider and spout inner wall sliding connection.

The working principle is as follows: in the utility model, the cover plate is opened, the double voice coil complementary driving type loudspeaker body 2 is placed into the shell 1 for installation, when the double voice coil complementary driving type loudspeaker body 2 is installed, the fixing spring 12 contracts to drive the fixing plate 13 to retreat for installation, after the installation is finished, the fixing plate 13 fixes the double voice coil complementary driving type loudspeaker body 2 under the elastic action of the fixing spring 12, the non-slip mat increases the friction to ensure that the double voice coil complementary driving type loudspeaker body 2 is more stable, meanwhile, the non-slip mat protects the double voice coil complementary driving type loudspeaker body 2, the double voice coil complementary driving type loudspeaker body 2 is prevented from directly contacting with the fixing plate 13 and the supporting plate 3, the double voice coil complementary driving type loudspeaker body 2 is prevented from being worn, the service life of the double voice coil complementary driving type loudspeaker body 2 is prolonged, and the temperature sensor 17 monitors the temperature inside the shell 1, when the temperature in the shell 1 rises due to the working of the loudspeaker, the temperature sensor 17 drives the fan 15 to rotate through the controller, so that outside air is pumped into the cooling cavity, the filtering net box 6 filters dust and impurities in the air, the drying net box 7 dries the air, the dust and impurities in the air and moisture are prevented from entering the shell 1 to influence the double-voice-coil complementary driving type loudspeaker body 2, the semiconductor refrigeration chip 5 cools the air, the cooled air enters the shell 1 to exchange heat with high-temperature air in the shell 1 to take away the high-temperature air, and the double-voice-coil complementary driving type loudspeaker body 2 is cooled, compared with a traditional device, the double-voice-coil complementary driving type loudspeaker body 2 is prevented from working under a high-temperature environment, the failure rate of the double-voice-coil complementary driving type loudspeaker body 2 is reduced, and the silencing plate 16 absorbs noise generated by the working of the fan 15, the influence of noise on the tone quality of the loudspeaker is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The double-voice-coil complementary drive type loudspeaker comprises a shell (1) and a double-voice-coil complementary drive type loudspeaker body (2), and is characterized in that a mounting groove is formed in the front face of the shell (1) and is matched with the double-voice-coil complementary drive type loudspeaker body (2), a supporting plate (3) is welded on the inner wall of the shell (1), a partition plate (4) welded with the inner wall of the shell (1) is arranged on one side, away from the mounting groove, of the supporting plate (3), a cooling cavity is formed between the partition plate (4) and the supporting plate (3), semiconductor refrigeration chips (5) distributed at equal intervals are welded on the partition plate (4), the refrigeration end of each semiconductor refrigeration chip (5) is located inside the cooling cavity, a filtering net cage (6) and a drying net cage (7) are connected on the inner wall of the cooling cavity in a sliding mode, and the size of the filtering net cage (6) is the same as that of the drying net cage (7), the damping spring (8) and the damping cotton sliver (9) which are distributed equidistantly are welded on the outer wall of one side of the supporting plate (3) close to the mounting groove, the damping spring (8) and the damping cotton sliver (9) are welded at the tail ends of the damping spring (10), the mounting plate (11) is welded on the two sides of the outer wall of one side of the mounting groove and the mounting plate (10) is welded on the two sides of the outer wall of one side of the mounting groove, the mounting plate (11) is welded on the fixed spring (12) which is distributed equidistantly, the fixed plate (13) is welded on the tail end of the fixed spring (12), the mounting cover (14) is welded on the outer wall of one side of the shell (1), the fan (15) is welded on the inner wall of the mounting cover (14), the outer walls of the two sides of the mounting cover (14) are respectively provided with a silencing groove, the silencing plate (16) is connected with the inner wall of the mounting cover (14) close to one side of the mounting cover (14), and the two ends of the conveying pipe are respectively led into the cooling cavity and the inner part of the mounting cover (14), installation cover (14) are close to mounting groove one side and are provided with temperature sensor (17) with shell (1) inner wall welded, mounting groove inner wall is opened there is the dashpot, and dashpot inner wall welding has buffer spring (18), buffer spring (18) end welding have with dashpot inner wall sliding connection's baffle, baffle and the complementary drive formula speaker body (2) contact of two voice coils, fan (15) one side outer wall is kept away from in shell (1) and the hole that has the equidistance and distributes is opened, and hole inner wall sliding connection has the dust screen.

2. The dual voice coil complementary driving type loudspeaker according to claim 1, wherein the cover plates are slidably connected to two sides of the outer wall of the top of the housing (1), the pull handle is welded to the top of the cover plate, the sealing gaskets are welded to the outer walls of two adjacent sides of the cover plate, the size of the sealing gaskets is matched with that of the cover plate, the sliding blocks are welded to two sides of the outer wall of the top of the housing (1), the sliding grooves are formed in two sides of the outer wall of the bottom of the cover plate, and the sliding blocks are slidably connected to the inner walls of the sliding grooves.

3. A dual voice coil complementary driven speaker according to claim 1, wherein the temperature sensor (17) is connected to the controller by a wire, and the controller is connected to the fan (15) by a wire.

4. The dual voice coil complementary drive type loudspeaker according to claim 1, wherein the outer wall of the mounting cover (14) is provided with vent holes distributed equidistantly, and the interior of the vent holes is filled with sound absorbing cotton.

5. The dual voice coil complementary driving type loudspeaker according to claim 1, wherein the supporting plate (3), the buffer plate (10), the mounting plate (11) and the fixing plate (13) are all provided with air holes distributed at equal intervals.

6. The dual-voice coil complementary driving type loudspeaker according to claim 1, wherein anti-slip pads are welded on the outer walls of the buffer plate (10) and the fixed plate (13), and the sizes of the anti-slip pads are respectively matched with those of the buffer plate (10) and the fixed plate (13).