CN114531558A

CN114531558A - TV loudspeaker with balanced vibration

Info

Publication number: CN114531558A
Application number: CN202111635451.9A
Authority: CN
Inventors: 孙正林
Original assignee: Dongtai Dongyuan Electric Appliance Co ltd
Current assignee: Dongtai Dongyuan Electric Appliance Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-24

Abstract

The invention discloses a television loudspeaker with balanced vibration, which comprises a antimagnetic cover and a fixed ring, wherein a dustproof mechanism is arranged in the fixed ring; dustproof mechanism is including seting up at the inside cavity of solid fixed ring, gu fixed ring has seted up the inlet port near one side of cavity, gu fixed ring keeps away from one side of inlet port and has seted up the exhaust hole, the cavity is close to one side of inlet port and installs the mount pad, the externally mounted of mount pad has the gasbag, the cavity is close to one side of gasbag and installs two springs, the one end that the cavity inner wall was kept away from to two springs is installed the clamping ring jointly, the gasbag is close to one side fixedly connected with air inlet ring of inlet port, one side fixedly connected with air discharge ring that the gasbag is close to the exhaust hole. According to the invention, when the loudspeaker works, the port is provided with the air wall, so that dust is blocked outside the loudspeaker, the dust is prevented from accumulating outside the loudspeaker, the tone quality of the loudspeaker is greatly improved, meanwhile, the influence of static electricity generated among the dust on equipment inside the loudspeaker is prevented, and the loudspeaker is safer and more reliable.

Description

TV loudspeaker with balanced vibration

Technical Field

The invention relates to the technical field of television speakers, in particular to a television speaker with balanced vibration.

Background

The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the performance of the loudspeaker has 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. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound, which is an indispensable part in the television.

Present television loudspeaker is at the during operation, the vibration unbalance of voice coil loudspeaker voice coil, can cause sound distortion like this, the voice coil loudspeaker voice coil is when vibrating simultaneously, the condition of broken string appears easily, influence the normal use of speaker, and the speaker is at long-time during operation, the permanent magnet can produce a large amount of heat energy, cause the damage to the inside equipment of speaker easily, influence the life of speaker, when the speaker at the during operation, can be stained with the dust, the accumulation of dust can make the tone quality variation of speaker, consequently, need a vibration balance's television loudspeaker.

Disclosure of Invention

The invention aims to solve the defects that voice coil vibration is unbalanced, sound distortion is easy to cause, normal work of a health preserving device is influenced, equipment in a loudspeaker is easy to damage due to heat, the service life of the loudspeaker is influenced, dust is easy to contaminate, and the sound quality of the loudspeaker is poor in the prior art, and provides a television loudspeaker with balanced vibration.

In order to achieve the purpose, the invention adopts the following technical scheme:

a TV loudspeaker with balanced vibration comprises a antimagnetic cover and a fixed ring, wherein a dustproof mechanism is arranged inside the fixed ring;

dustproof mechanism is including seting up at the inside cavity of solid fixed ring, gu fixed ring has seted up the inlet port near one side of cavity, gu fixed ring keeps away from one side of inlet port and has seted up the exhaust hole, the cavity is close to one side of inlet port and installs the mount pad, the externally mounted of mount pad has the gasbag, the cavity is close to one side of gasbag and installs two springs, two the one end that the cavity inner wall was kept away from to the spring is installed the clamping ring jointly, the gasbag is close to one side fixedly connected with air inlet ring of inlet port, the gasbag is close to one side fixedly connected with air discharge ring in exhaust hole, air inlet ring and air discharge ring's inside all is provided with the check valve, the inside of antimagnetic cover is provided with the vibration balance subassembly.

Preferably, the outside fixedly connected with basin frame of antimagnetic cover, solid fixed ring fixed connection is in the basin frame and keeps away from the one end of antimagnetic cover, antimagnetic cover is kept away from one side of basin frame and is installed two wiring ends.

Preferably, the inside fixedly connected with utmost point post of antimagnetic cover, the cross-section of utmost point post is hollow ring shape setting, the inside fixedly connected with permanent magnet of antimagnetic cover, the permanent magnet is located the central point of utmost point post and puts.

Preferably, the bending ring is installed on one side of the basin frame close to the fixing ring, the bending ring is far away from one side of the basin frame and is installed with the sound basin, and the dustproof cap is installed on the inner side of the sound basin.

Preferably, the voice coil is installed to the one end that the bending ring was kept away from to the sound basin, install the centring disk between voice coil and the basin frame jointly, the voice coil is located the outside of permanent magnet.

Preferably, the vibration balance assembly comprises a vibration plate fixedly connected to one side, close to the permanent magnet, of the pole, a connection ring is fixedly connected between the vibration plate and the voice coil, the connection ring is located outside the permanent magnet, and the connection ring is located on the upper surface of the vibration plate.

Preferably, the air inlet ring and the air exhaust ring are respectively positioned inside the air inlet hole and the air exhaust hole, the air inlet hole and the air exhaust hole are respectively positioned at the upper position and the lower position of two sides of the fixing ring, and the air inlet ring and the air exhaust ring are both communicated with the air bag.

Preferably, the opening direction of the check valve inside the air inlet ring is from the outside of the air inlet ring to the side close to the air bag, and the opening direction of the check valve inside the exhaust ring is from the side close to the air bag to the outside of the exhaust ring.

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

1. according to the invention, through the matching use of the cavity, the air inlet hole, the exhaust hole, the air bag, the spring, the air inlet ring, the exhaust ring and the check valve, when the loudspeaker works, the wind wall appears at the port, dust is blocked outside the loudspeaker, the dust is prevented from accumulating outside the loudspeaker, the tone quality of the loudspeaker is greatly improved, meanwhile, the influence of static electricity generated among the dust on equipment inside the loudspeaker is also prevented, and the loudspeaker is safer and more reliable.

2. According to the invention, the voice coil, the vibrating plate and the connecting ring are matched for use, so that the vibration of the voice coil is more balanced, the phenomenon of wire breakage when the voice coil vibrates is avoided, the work of the loudspeaker is more stable, meanwhile, the heat radiating effect is realized on the permanent magnet, the damage of heat to equipment in the loudspeaker is avoided, and the service life of the loudspeaker is prolonged.

Drawings

Fig. 1 is a schematic view of a first structure of a vibration balanced television speaker according to the present invention;

fig. 2 is a second structural diagram of a vibration balanced television speaker according to the present invention;

FIG. 3 is a schematic structural view of the magnetism-shielding cover of the present invention;

FIG. 4 is a schematic cross-sectional view of the antimagnetic cover and the basin stand of the present invention;

FIG. 5 is a schematic view of the construction of the bladder of the present invention;

fig. 6 is an enlarged view of a structure shown in fig. 4.

In the figure: 1. a magnetic shield; 2. a basin stand; 3. a fixing ring; 4. a terminal; 5. a pole column; 6. a permanent magnet; 7. folding the ring; 8. a sound basin; 9. a dust cap; 10. a voice coil; 11. a centering support; 12. a vibrating piece; 13. a connecting ring; 14. a cavity; 15. an air inlet; 16. an exhaust hole; 17. a mounting seat; 18. an air bag; 19. a spring; 20. pressing a ring; 21. an air inlet ring; 22. an exhaust ring; 23. a one-way valve.

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.

Example one

As shown in fig. 4-6, the television speaker with balanced vibration according to the present invention includes a magnetic shield 1 and a fixing ring 3, wherein a dust-proof mechanism is disposed inside the fixing ring 3;

the dustproof mechanism comprises a cavity 14 arranged in a fixed ring 3, one side, close to the cavity 14, of the fixed ring 3 is provided with an air inlet 15, one side, far away from the air inlet 15, of the fixed ring 3 is provided with an air outlet 16, one side, close to the air inlet 15, of the cavity 14 is provided with a mounting seat 17, the outside of the mounting seat 17 is provided with an air bag 18, one side, close to the air bag 18, of the cavity 14 is provided with two springs 19, one ends, far away from the inner wall of the cavity 14, of the two springs 19 are jointly provided with a press ring 20, one side, close to the air inlet 15, of the air bag 18 is fixedly connected with an air inlet ring 21, one side, close to the air outlet 16, of the air bag 18 is fixedly connected with an air outlet ring 22, one-way valves 23 are arranged in the air inlet ring 21 and the air outlet ring 22, and a vibration balance assembly is arranged in the antimagnetic shield 1;

the air inlet ring 21 and the air outlet ring 22 are respectively positioned in the air inlet hole 15 and the air outlet hole 16, the air inlet hole 15 and the air outlet hole 16 are respectively positioned at the upper position and the lower position of two sides of the fixing ring 3, the air inlet ring 21 and the air outlet ring 22 are both communicated with the air bag 18, the opening direction of the one-way valve 23 in the air inlet ring 21 is from the outer part of the air inlet ring 21 to one side close to the air bag 18, and the opening direction of the one-way valve 23 in the air outlet ring 22 is from one side close to the air bag 18 to the outer part of the air outlet ring 22.

The television loudspeaker based on vibration balance of the first embodiment has the working principle that when the loudspeaker works, the loudspeaker vibrates, because the annular cavity 14 is formed in the basin frame 2, the mounting seat 17 is arranged in the cavity 14, the annular air bag 18 is arranged outside the mounting seat 17, two springs 19 are arranged on one side, close to the air bag 18, of the cavity 14, one ends, close to the air bag 18, of the springs 19 are jointly provided with the press ring 20, and when the loudspeaker vibrates, the press ring 20 can vibrate under the action of the springs 19, so that the air bag 18 is pressed intermittently;

because the air inlet hole 15 is arranged on one side of the basin frame 2 close to the cavity 14, the air outlet hole 16 is arranged on one side of the basin frame 2 far away from the air inlet hole 15, the air inlet ring 21 is arranged on one side of the air bag 18 close to the air inlet hole 15, the air outlet ring 22 is arranged on one side of the air bag 18 close to the air outlet hole 16, the air inlet ring 21 and the air outlet ring 22 are both communicated with the air bag 18, the check valves 23 are arranged inside the air inlet ring 21 and the air outlet ring 22, wherein the opening direction of the check valve 23 inside the air inlet ring 21 is from the outside of the air inlet ring 21 to the side close to the air bag 18, and the opening direction of the check valve 23 inside the air outlet ring 22 is from the side close to the air bag 18 to the outside of the air outlet ring 22;

when the pressing ring 20 presses the air bag 18, the gas in the air bag 18 is discharged through the exhaust ring 22, a wind wall is formed at the end part of the loudspeaker, the dust is separated outside the loudspeaker, the dust is prevented from accumulating outside the loudspeaker, when the pressing ring 20 moves reversely, the air bag 18 is restored, the external gas is sucked into the air bag 18 through the air inlet ring 21, the process is repeated, the wind wall is continuously formed at the end part of the loudspeaker, the tone quality of the loudspeaker is greatly improved, meanwhile, the influence of static electricity generated between the dust on equipment in the loudspeaker is prevented, and the safety and the reliability are improved.

Example two

As shown in fig. 1-4, based on the first embodiment, a tub frame 2 is fixedly connected to the outside of a magnetic shield 1, a fixing ring 3 is fixedly connected to one end of the tub frame 2 away from the magnetic shield 1, two terminals 4 are installed on one side of the magnetic shield 1 away from the tub frame 2, a pole 5 is fixedly connected to the inside of the magnetic shield 1, the cross section of the pole 5 is in a hollow annular shape, a permanent magnet 6 is fixedly connected to the inside of the magnetic shield 1, the permanent magnet 6 is located at the center of the pole 5, a copper wire is wound on the outside of a voice coil 10, the voice coil 10 vibrates to drive the voice coil 8 to vibrate, a corrugated ring 7 and the voice coil 8 are made of fiber, the corrugated ring 7 can protect the voice coil 8 from axial movement along a speaker, the cross section of a centering support piece 11 is in a wave shape, external dust and the like are prevented from falling off, and abnormal sound caused by friction between the dust and the voice coil 10 is avoided;

folding ring 7 is installed to one side that basin frame 2 is close to solid fixed ring 3, folding ring 7 keeps away from one of basin frame 2 and installs sound basin 8, dustproof cap 9 is installed to the inboard of sound basin 8, sound basin 8 keeps away from the one end of folding ring 7 and installs voice coil loudspeaker voice coil 10, install centering support piece 11 between voice coil loudspeaker voice coil 10 and the basin frame 2 jointly, voice coil loudspeaker voice coil 10 is located the outside of permanent magnet 6, vibration balance assembly includes that fixed connection is close to the trembler 12 of permanent magnet 6 one side at utmost point post 5, common fixedly connected with clamping ring 13 between trembler 12 and the voice coil loudspeaker voice coil 10, clamping ring 13 is located the outside of permanent magnet 6, and clamping ring 13 is located the upper surface of trembler 12.

In this embodiment, when the voice coil 10 is operated, the two terminals 4 are connected to an external power supply, and when a current flows through the voice coil 10, a changing magnetic field is generated outside the voice coil 10 along with the change of the current direction, this magnetic field interacts with the magnetic field of the permanent magnet 6, causing the voice coil 10 to vibrate in the axial direction, thereby, when the voice coil 10 vibrates, since the bottom end of the voice coil 10 is connected to the vibrating piece 12 through the connecting coil 13, that is, the voice coil 10 will drive the vibrating reed 12 to vibrate synchronously when vibrating, so that the voice coil 10 can vibrate more balanced, the resonant frequency can be increased, and when the vibrating reed 12 vibrates, certain wind waves are generated, the heat dissipation outside the permanent magnet 6 is improved, the work of the loudspeaker is more stable, meanwhile, the device in the loudspeaker is prevented from being damaged by heat, and the service life of the loudspeaker is prolonged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A TV loudspeaker with balanced vibration comprises a antimagnetic cover (1) and a fixed ring (3), and is characterized in that a dustproof mechanism is arranged inside the fixed ring (3);

the dustproof mechanism comprises a cavity (14) arranged inside a fixing ring (3), wherein an air inlet hole (15) is formed in one side, close to the cavity (14), of the fixing ring (3), an exhaust hole (16) is formed in one side, far away from the air inlet hole (15), of the fixing ring (3), a mounting seat (17) is installed on one side, close to the air inlet hole (15), of the cavity (14), an air bag (18) is installed outside the mounting seat (17), two springs (19) are installed on one side, close to the air bag (18), of the cavity (14), a compression ring (20) is installed at one end, far away from the inner wall of the cavity (14), of each spring (19), a gas inlet ring (21) is fixedly connected to one side, close to the air inlet hole (15), of the air bag (18) is fixedly connected with an exhaust ring (22) on one side, close to the exhaust hole (16), and check valves (23) are arranged inside the gas inlet ring (21) and the exhaust ring (22), the anti-magnetic cover (1) is internally provided with a vibration balance assembly.

2. A vibration balanced television loudspeaker as claimed in claim 1, characterised in that the outside of the shield (1) is fixedly connected with a frame (2), the fixing ring (3) is fixedly connected with the end of the frame (2) remote from the shield (1), and two terminals (4) are mounted on the side of the shield (1) remote from the frame (2).

3. The vibration balanced television loudspeaker according to claim 2, characterized in that the inside of the antimagnetic cover (1) is fixedly connected with a pole (5), the cross section of the pole (5) is arranged in a hollow circular ring shape, the inside of the antimagnetic cover (1) is fixedly connected with a permanent magnet (6), and the permanent magnet (6) is located at the center of the pole (5).

4. A vibration balanced television loudspeaker as claimed in claim 3, characterised in that the frame (2) is provided with a folded ring (7) on the side close to the fixed ring (3), the folded ring (7) is provided with a cone (8) on the side away from the frame (2), and the inner side of the cone (8) is provided with a dust cap (9).

5. A vibration balanced television loudspeaker as claimed in claim 4, characterised in that the end of the cone (8) remote from the edge (7) is provided with a voice coil (10), a centring disk (11) is jointly arranged between the voice coil (10) and the frame (2), and the voice coil (10) is located outside the permanent magnet (6).

6. A vibration-balanced television loudspeaker as claimed in claim 5, characterized in that the vibration-balancing assembly comprises a diaphragm (12) fixedly attached to the pole (5) on the side thereof adjacent to the permanent magnet (6), a coupling ring (13) being fixedly attached between the diaphragm (12) and the voice coil (10), the coupling ring (13) being located outside the permanent magnet (6), and the coupling ring (13) being located on the upper surface of the diaphragm (12).

7. A vibration balanced television loudspeaker as claimed in claim 1, characterised in that the air inlet ring (21) and the air outlet ring (22) are located inside the air inlet (15) and the air outlet (16), respectively, the air inlet (15) and the air outlet (16) are located at the upper and lower positions on both sides of the fixing ring (3), respectively, the air inlet ring (21) and the air outlet ring (22) are both in communication with the air bag (18).

8. A vibration balanced television loudspeaker as claimed in claim 1, characterised in that the opening direction of the non-return valve (23) in the interior of the inlet ring (21) is from the exterior of the inlet ring (21) to the side adjacent to the air-bag (18), and in that the opening direction of the non-return valve (23) in the interior of the outlet ring (22) is from the side adjacent to the air-bag (18) to the exterior of the outlet ring (22).