CN218734948U

CN218734948U - High pitch loudspeaker

Info

Publication number: CN218734948U
Application number: CN202223165510.3U
Authority: CN
Inventors: 吴天敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-24
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a high pitch loudspeaker, belonging to the technical field of loudspeaker; the magnetic circuit system is used for generating a magnetic field; a driver unit for vibrating the vibration system according to an inputted electric signal; wherein, magnetic circuit specifically includes: the magnetic conduction piece is made of T iron and is installed in the frame, a magnet is arranged at the top of the magnetic conduction piece, a clamping plate is installed at the top of the magnet, one surface, away from the magnet, of the clamping plate is fixedly connected with the frame, a copper short-circuit ring is installed on one side of the magnet, an aluminum short-circuit ring is installed at the lower portion of one end of the magnet, the copper short-circuit ring and the aluminum short-circuit ring are located inside the frame, and the T iron, the neodymium iron boron magnet, the clamping plate, the copper short-circuit ring and the aluminum short-circuit ring are bonded with each other; the utility model adopts the above-mentioned magnetic circuit can reduce the distortion of speaker.

Description

High pitch loudspeaker

Technical Field

The utility model relates to a speaker technical field specifically is a high pitch loudspeaker.

Background

A speaker is a device for converting an electric signal into an acoustic signal, in which a bowl-shaped speaker is commonly used in a high power apparatus such as a car audio, and is characterized by a prominent bass effect. Traditional bowl shape speaker comprises bowl shape vibrating diaphragm, voice coil loudspeaker voice coil, magnet and magnetic conduction structure usually, and the material of its bowl shape vibrating diaphragm is harder, often adopts the metal material. When the bowl-shaped loudspeaker works, currents with different magnitudes are output by the amplifier and converted into sound waves through frequency waves, the output energy is improved through power pushing, the voice coil moves under the action of a magnetic field, meanwhile, the voice coil is connected to the bowl-shaped vibrating diaphragm and drives the bowl-shaped vibrating diaphragm to vibrate, and then air is pushed through vibration of the bowl-shaped vibrating diaphragm, so that sound is given out.

The problems common to conventional bowl-shaped speakers are: when the bowl-shaped loudspeaker pronounces, the bowl-shaped loudspeaker has an inherent resonant frequency, and after the bowl-shaped loudspeaker exceeds a certain range of a resonant frequency region, a high-pitched sound zone cannot be highlighted, so that the problem of large distortion exists.

SUMMERY OF THE UTILITY MODEL

It is an object of the present disclosure to provide a tweeter that overcomes at least one of the deficiencies of the prior art.

In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:

a high pitch loudspeaker comprises a frame, and a magnetic circuit system, a vibration system and a driver unit which are arranged on the frame and are matched with each other, wherein the magnetic circuit system is used for generating a magnetic field; a driver unit for vibrating the vibration system according to an inputted electric signal, wherein the magnetic circuit system includes:

a magnetically permeable member mounted within the frame;

the magnet is arranged on the top of the magnetic conduction piece;

the clamping plate is arranged at the top of the magnet and is fixedly connected with the frame;

a copper short ring installed at one side of the magnet;

and the aluminum short circuit ring is arranged at the lower part of one end of the magnet and is positioned in the frame.

Preferably, the embodiment of the present application further discloses: the magnetic conduction piece is T iron.

Preferably, the embodiment of the present application further discloses: the magnet is a neodymium iron boron magnet.

Preferably, the embodiment of the present application further discloses: the frame includes:

the clamping plate is fixedly connected to the panel;

the upper mesh enclosure is arranged on the top surface of the panel;

and the lower shell is arranged on the bottom surface of the panel.

Preferably, the embodiment of the present application further discloses: and a shockproof gasket is arranged between the panel and the clamping plate.

Preferably, the embodiment of the present application further discloses: the vibration system includes: voice coil loudspeaker voice coil subassembly, book ring, carbon fiber ball top of mutually supporting, the voice coil loudspeaker voice coil unit mount be in between magnetic conduction spare and the magnet, the one end of voice coil loudspeaker voice coil subassembly is connected with the carbon fibre vibration dimension diaphragm at carbon fiber ball top, carbon fibre vibration dimension diaphragm is located go up the below of screen panel.

Preferably, the embodiment of the present application further discloses: the thickness of the carbon fiber vibration fiber membrane is different, and the carbon fiber vibration fiber membrane is transited from the thinnest center of the top of the carbon fiber ball top to the thickest membrane edge part.

Preferably, the embodiment of the present application further discloses: the driver unit includes: the vibration system comprises a bracket and a PCB, wherein the bracket is installed on the panel, the PCB is installed on the bracket, and the vibration system vibrates according to an input electric signal.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

1. owing to adopted by the magnetic system who is the constitution that bonds each other between T iron, neodymium iron boron magnetism iron, splint, copper short circuit ring, the aluminium short circuit ring, can make magnetic circuit reach minimum distortion, install shockproof packing ring between panel and splint, can make the product reduce to minimum because of shaking the distortion that produces, can also improve product security in addition, promote the life of product, so, effectively solve the great problem of distortion among the current bowl shape speaker.

2. Because the thickness of the carbon fiber vibration fiber membrane is unequal, the center of the top center of the carbon fiber ball top is thinnest and is transited to the edge part of the membrane with the thickest thickness, the resonance frequency is effectively inhibited, the high frequency of a product is effectively increased to 38khz, and the problem that the existing bowl-shaped loudspeaker Gao Yinou cannot be lighted can be solved.

Drawings

Fig. 1 is a schematic structural diagram of a tweeter according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a tweeter according to an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is an enlarged view of the portion C of FIG. 2;

fig. 6 is an enlarged view of a portion D in fig. 2.

Description of reference numerals:

10. a panel; 101. a vibration-proof washer; 11. an upper net cover; 12. a lower housing; 20. a magnetic conductive member; 21. a magnet; 22. a splint; 23. a copper short circuit ring; 24. an aluminum short circuit ring; 30. a voice coil assembly; 40. and (4) a bracket.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "in", "up", "down", "horizontal", "inner", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example (b):

referring to fig. 1, 2 and 4, the present embodiment discloses a tweeter, which includes a frame, and a magnetic circuit system, a vibration system and a driver unit mounted on the frame and cooperating with each other, the magnetic circuit system being used for generating a magnetic field; a driver unit for vibrating the vibration system according to an inputted electric signal;

wherein, magnetic circuit specifically includes: the magnetic conduction part 20, the magnetic conduction part 20 adopts T iron, the magnetic conduction part 20 is installed in the frame, the top of the magnetic conduction part 20 is provided with a magnet 21, the magnet 21 adopts a neodymium iron boron magnet 21, a clamping plate 22 is installed at the top of the magnet 21, one surface, far away from the magnet 21, of the clamping plate 22 is fixedly connected with the frame, a copper short circuit ring 23 is installed on one side of the magnet 21, an aluminum short circuit ring 24 is installed on the lower portion of one end of the magnet 21, the copper short circuit ring 23 and the aluminum short circuit ring 24 are both located inside the frame, the T iron, the neodymium iron boron magnet 21, the clamping plate 22, the copper short circuit ring 23 and the aluminum short circuit ring 24 are mutually bonded, and the magnetic circuit system can achieve minimum distortion by adopting the magnetic circuit system.

Referring to fig. 2, the frame specifically includes: the panel 10 is made of aluminum, the panel 10 is fixedly connected with the clamping plate 22 through screw fixation, the top surface of the panel 10 is provided with an upper mesh enclosure 11, and the panel 10 is made of iron; the lower case 12 is mounted on the bottom surface of the panel 10, and the lower case 12 is made of aluminum alloy.

Referring to fig. 3, in some embodiments, a vibration-proof gasket 101 is installed between the panel 10 and the clamping plate 22, so that distortion of the product due to vibration is minimized, safety of the product is improved, and the service life of the product is prolonged.

With reference to fig. 1 and 5, the vibrating system comprises in particular: the voice coil assembly 30, and the corrugated rim and the carbon fiber ball top which are matched with the voice coil assembly 30, the voice coil assembly 30 is a titanium framework copper-clad aluminum wire, the voice coil assembly 30 is installed between the magnetic conduction piece 20 and the magnet 21, one end of the voice coil assembly 30 is connected with a carbon fiber vibration fiber diaphragm on the carbon fiber ball top, and the carbon fiber vibration fiber diaphragm is located below the upper mesh enclosure 11, so that the carbon fiber diaphragm can be prevented from being collided by foreign objects or damaged by extrusion deformation; wherein the folding ring is a textile selvage folding ring.

In some embodiments, the thickness of the carbon fiber vibration fiber membrane is unequal, and the carbon fiber vibration fiber membrane is transited from the thinnest center of the top of the carbon fiber ball top to the thickest membrane edge part, so that the resonance frequency is effectively suppressed, and the high frequency of the product is effectively increased to 38khz.

Referring to fig. 6, the driver unit includes: a bracket 40; and a PCB board mounted on the bracket 40, the bracket 40 being mounted on the panel 10; the PCB board vibrates the vibration system according to the input electrical signal.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A high pitch loudspeaker comprises a frame, and a magnetic circuit system, a vibration system and a driver unit which are arranged on the frame and are matched with each other, wherein the magnetic circuit system is used for generating a magnetic field; a driver unit for vibrating the vibration system according to an inputted electric signal, characterized in that: the magnetic circuit system comprises:

a magnetically permeable member (20) mounted within the frame;

a magnet (21) disposed on top of the magnetic conductive member (20);

the clamping plate (22), the said clamping plate (22) is installed on top of the magnet (21), fixedly connect with frame;

a copper short ring (23) mounted on one side of the magnet (21);

and an aluminum short circuit ring (24) mounted at a lower portion of one end of the magnet (21) and positioned inside the frame.

2. A tweeter according to claim 1, wherein: the magnetic conduction piece (20) is T iron.

3. A tweeter according to claim 1 or 2, wherein: the magnet (21) is a neodymium iron boron magnet (21).

4. A tweeter according to claim 1, wherein: the frame includes:

the panel (10), the said cleat (22) is fixedly connected to the said panel (10);

the upper mesh enclosure (11), the said upper mesh enclosure (11) is installed on the top surface of the said panel (10);

a lower case (12), the lower case (12) being disposed at a bottom surface of the panel (10).

5. A tweeter according to claim 1 wherein: and a shockproof gasket (101) is arranged between the panel (10) and the clamping plate (22).

6. A tweeter according to claim 1 or 4, wherein: the vibration system includes: voice coil loudspeaker voice coil subassembly (30), book ring, carbon fiber ball top of mutually supporting, voice coil loudspeaker voice coil subassembly (30) are installed between magnetic conduction piece (20) and magnet (21), the one end of voice coil loudspeaker voice coil subassembly (30) is connected with the carbon fibre vibration dimension diaphragm at carbon fiber ball top, carbon fibre vibration dimension diaphragm is located go up the below of screen panel (11).

7. A tweeter according to claim 6, wherein: the carbon fiber vibration fiber membrane is unequal in thickness and is in transition from the thinnest center of the top center of the carbon fiber ball top to the thickest edge of the membrane.

8. A tweeter according to claim 1, wherein: the driver unit includes: a bracket (40), a PCB board, the bracket (40) is installed on the panel (10), the PCB board is installed on the bracket (40), and the vibration system is vibrated according to the input electric signal.