Low-distortion loudspeaker

Abstract

The utility model relates to the technical field of loudspeakers, and discloses a low-distortion loudspeaker, which comprises a fixed cylinder, an annular cone is fixedly connected inside the fixed cylinder, one side of the annular cone is fixedly connected with a core fixing frame, the outer side of the core fixing frame is sleeved and fixedly connected with a magnet, the outer side of the core fixing frame is sleeved and fixedly connected with a voice coil, and the voice coil is sleeved and fixedly connected with a loudspeaker. Sound-absorbing cotton is fixedly connected to one side, close to the fixed core frame, of the inner wall of the fixed cylinder, and the sound-absorbing cotton is attached to the fixed core frame. According to the utility model, the external data line is electrically connected with the voice coil, so that the annular cone can vibrate, the core fixing frame can be driven to vibrate in the vibration process of the annular cone, and through the sound absorption cotton, the sound density can be enhanced, harmonic waves caused by vibration can be eliminated, and the sound background is quiet and has more details.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, in particular to a low-distortion loudspeaker. Background Art

[0002] A speaker is a transducer that converts electrical signals into sound signals. The performance of the speaker has a great impact on the sound quality. The speaker is the weakest component in the audio equipment, but it is also the most important component for the sound effect.

[0003] After searching, a Chinese patent discloses a low-distortion loudspeaker diaphragm (authorization announcement number CN212183737U), including a diaphragm body, the diaphragm body includes a body and a folding ring, the inner side of the folding ring is provided with a conical inclined surface shrinking toward the center, the body is set as a cone that shrinks inward from top to bottom, the upper edge of the body is overlapped on the middle and lower ends of the conical inclined surface on the inner side of the folding ring, the outer edge of the folding ring is provided with a contact layer, the middle end of the contact layer is connected to the folding ring, and the rear end of the contact layer is provided with an inclined surface inclined from top to bottom along the inner side of the folding ring. Although this patented technology can, by increasing the bonding area, increase the contact area of ​​the diaphragm, improve the SPL and VAS of the diaphragm, reduce the distortion effect of the loudspeaker, improve the low-frequency effect of the sound and make the low-frequency sound more powerful;

[0004] However, in the actual application of this patented technology, the sound will be distorted when it is back-ground. The sound will vibrate back and forth when it makes a sound, and airflow will appear during the vibration, causing the airflow to produce harmonics, thus causing the sound to be distorted. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a low-distortion loudspeaker.

[0006] The utility model is implemented by the following technical scheme: a low-distortion loudspeaker, comprising a fixed tube, an annular paper cone is fixedly connected to the interior of the fixed tube, a fixed core frame is fixedly connected to one side of the annular paper cone, a magnet is sleeved and fixedly connected to the outer side of the fixed core frame, a voice coil is sleeved and fixedly connected to the outer side of the fixed core frame and on one side of the magnet, sound-absorbing cotton is fixedly connected to the inner wall of the fixed tube and on one side close to the fixed core frame, and the sound-absorbing cotton is fitted to the fixed core frame.

[0007] Through the above technical solution, the external data line is electrically connected to the voice coil, so that the annular paper cone can vibrate. During the vibration of the annular paper cone, the fixed core frame will be driven to vibrate. Through the sound-absorbing cotton, the sound density can be enhanced and the harmonics caused by the vibration can be eliminated, so that the sound background is quieter and has more details.

[0008] As a further improvement of the above solution, a sound amplification cover is fixedly connected to the outer side of the fixed cylinder and the side close to the annular paper cone, and a guard plate is fixedly connected to the side of the sound amplification cover away from the annular paper cone, and dustproof holes are equidistantly opened on one side of the guard plate.

[0009] Through the above technical solution, the protective plate can protect the entire device, and the dustproof holes can prevent external debris from affecting the work of the annular paper cone, and will not affect sound propagation.

[0010] As a further improvement of the above solution, the inner wall of the sound amplification cover is surrounded by a folded ring.

[0011] Through the above technical solution, the sound is made clearer during the propagation process through the folded ring.

[0012] As a further improvement of the above solution, a protective tube is fixedly connected to the outer side of the fixed tube and the side close to the sound-absorbing cotton, and the protective tube is communicated with the interior of the fixed tube.

[0013] Through the above technical solution, the external data line passes through the protection tube and is electrically connected to the voice coil.

[0014] As a further improvement of the above solution, the voice coil is made of copper-clad aluminum wire.

[0015] Through the above technical solution, the voice coil is made of copper-clad aluminum so that it has better conductivity.

[0016] As a further improvement of the above solution, the material of the folding ring is a cloth base, and the surface of the folding ring is coated with a waterproof coating.

[0017] Through the above technical solution, the waterproof coating on the surface of the fold ring can prevent the fold ring from being corroded by water.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] The utility model passes an external data line through a protective tube and is electrically connected to the voice coil, so that the annular paper cone can vibrate. During the vibration of the annular paper cone, the fixed core frame is driven to vibrate. The sound-absorbing cotton can enhance the sound density and eliminate the harmonics caused by the vibration, so that the sound background is quieter and has more details. The sound amplification cover can amplify the sound, so as to bring a better auditory experience. The guard plate can protect the entire device, and the dustproof hole can prevent external debris from affecting the work of the annular paper cone and will not affect the propagation of sound. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the main cross-section of the structure of the utility model;

[0022] Figure 3 It is a three-dimensional schematic diagram of the structure section of the utility model;

[0023] Figure 4 It is a schematic side view of the overall structure of the utility model.

[0024] Description of main symbols:

[0025] 1. Fixed tube; 2. Ring paper cone; 3. Fixed core frame; 4. Magnet; 5. Voice coil; 6. Sound-absorbing cotton; 7. Protection tube; 8. Sound amplification cover; 9. Guard plate; 10. Dustproof hole; 11. Folding ring. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. Example

[0027] Please combine Figure 1-4 A low-distortion loudspeaker of the present embodiment includes a fixed tube 1, an annular paper cone 2 is fixedly connected to the interior of the fixed tube 1, a core frame 3 is fixedly connected to one side of the annular paper cone 2, a magnet 4 is sleeved and fixedly connected to the outer side of the core frame 3, a voice coil 5 is sleeved and fixedly connected to the outer side of the core frame 3 and located on one side of the magnet 4, and a sound-absorbing cotton 6 is fixedly connected to the inner wall of the fixed tube 1 and the side close to the core frame 3. The sound-absorbing cotton 6 is fitted with the core frame 3 and is electrically connected to the voice coil 5 through an external data line, so that the annular paper cone 2 can vibrate. During the vibration of the annular paper cone 2, the core frame 3 will be driven to vibrate. Through the sound-absorbing cotton 6, the sound density can be enhanced and the harmonics caused by the vibration can be eliminated, so that the sound background is quiet and has more details.

[0028] Please combine Figure 1-4 A sound amplifying cover 8 is fixedly connected to the outer side of the fixed tube 1 and the side close to the annular paper cone 2. A guard plate 9 is fixedly connected to the side of the sound amplifying cover 8 away from the annular paper cone 2. Dustproof holes 10 are equidistantly provided on one side of the guard plate 9. The guard plate 9 can protect the entire device, and the dustproof holes 10 can prevent external debris from affecting the operation of the annular paper cone 2 and will not affect the propagation of sound.

[0029] Please combine Figure 1-4 The inner wall of the sound amplifying cover 8 is surrounded by a folding ring 11, through which the sound is made clearer during the propagation process.

[0030] Please combine Figure 1-4A protective tube 7 is fixedly connected to the outer side of the fixed tube 1 and close to the side of the sound-absorbing cotton 6. The protective tube 7 is communicated with the interior of the fixed tube 1, and an external data line passes through the protective tube 7 and is electrically connected to the voice coil 5.

[0031] Please combine Figure 1-4 The voice coil 5 is made of copper-clad aluminum wire, which makes it have better conductivity.

[0032] Please combine Figure 1-4 The material of the folding ring 11 is a cloth base, and the surface of the folding ring 11 is coated with a waterproof coating. The waterproof coating on the surface of the folding ring 11 prevents the folding ring 11 from being eroded by water.

[0033] The implementation principle of a low-distortion loudspeaker in the embodiment of the present application is as follows: an external data line passes through the protective tube 7 and is electrically connected to the voice coil 5, so that the annular paper cone 2 can vibrate. During the vibration of the annular paper cone 2, the fixed core frame 3 will be driven to vibrate. The sound-absorbing cotton 6 can enhance the sound density and eliminate the harmonics caused by the vibration, so that the sound background is quieter and has more details. The sound amplification cover 8 can increase the sound, thereby bringing a better auditory experience. The protective plate 9 can protect the entire device, and the dustproof hole 10 can prevent external debris from affecting the operation of the annular paper cone 2 and will not affect the propagation of sound.

[0034] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A low-distortion loudspeaker, comprising a fixed tube (1), characterized in that: An annular paper cone (2) is fixedly connected inside the fixed cylinder (1), a core frame (3) is fixedly connected to one side of the annular paper cone (2), a magnet (4) is sleeved and fixedly connected to the outer side of the core frame (3), a voice coil (5) is sleeved and fixedly connected to the outer side of the core frame (3) and located on one side of the magnet (4), and a sound-absorbing cotton (6) is fixedly connected to the inner wall of the fixed cylinder (1) and close to the core frame (3), and the sound-absorbing cotton (6) is in close contact with the core frame (3).

2. A low distortion loudspeaker as claimed in claim 1, characterized in that: A sound amplification cover (8) is fixedly connected to the outer side of the fixed cylinder (1) and the side close to the annular paper cone (2), and a guard plate (9) is fixedly connected to the side of the sound amplification cover (8) away from the annular paper cone (2), and dustproof holes (10) are equidistantly provided on one side of the guard plate (9).

3. A low distortion loudspeaker as claimed in claim 2, characterized in that: The inner wall of the sound amplification cover (8) is surrounded by a folding ring (11).

4. A low distortion loudspeaker as claimed in claim 1, characterized in that: A protective tube (7) is fixedly connected to the outer side of the fixed tube (1) and close to the sound-absorbing cotton (6), and the protective tube (7) is communicated with the interior of the fixed tube (1).

5. A low distortion loudspeaker as claimed in claim 1, characterized in that: The voice coil (5) is made of copper-clad aluminum wire.

6. A low distortion loudspeaker as claimed in claim 3, characterized in that: The material of the folding ring (11) is a cloth base, and the surface of the folding ring (11) is coated with a waterproof coating.

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