T-shape iron structure for reducing distortion of loudspeaker
By designing a T-iron structure that includes a base plate, a core column, and an aluminum ring, the problem of second harmonic distortion caused by non-uniform magnetic fields in loudspeakers was solved, thereby improving loudspeaker performance and efficiency.
Patent Information
- Application Number
- CN202422564624.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-10-23
AI Technical Summary
When existing loudspeakers are in operation, the increased second harmonic distortion caused by the non-uniform magnetic field affects the performance and efficiency of the loudspeakers.
The T-iron structure design includes a base plate, a core column, an aluminum ring, and an aluminum horn. The core column and the T-iron are combined through the aluminum ring to form a uniform magnetic saturation state, reducing second harmonic distortion.
It effectively reduces the second harmonic distortion of the loudspeaker, improving the loudspeaker's performance and efficiency.
Smart Images
Figure CN223600004U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to loudspeaker technical field more specifically, relate to a kind of T iron structure that can reduce loudspeaker distortion. BACKGROUND
[0002] Loudspeaker, also called loudspeaker, sound box, loudspeaker, is the transducer, electronic component that electronic signal is converted into sound, can be one or more to constitute sound group.When current passes through coil and generates electromagnetic field, the direction of magnetic field is right-hand rule.Assume, loudspeaker plays C tune, and its frequency is 256Hz, i.e. vibration 256 times per second, then loudspeaker exports 256Hz alternating current, makes coil and loudspeaker diaphragm vibrate together, pushes the vibration of surrounding air, and loudspeaker generates sound from this.
[0003] The frequency of sound wave that human ear can hear is generally between 20 hertz and 20000 hertz, so general loudspeaker will set program in this range.The energy conversion process is converted from electric energy to magnetic energy, and then from magnetic energy to mechanical energy, and then from mechanical energy to sound.
[0004] Some loudspeakers in prior art will generate uneven magnetic field when working, so that the increase of secondary harmonic distortion is increased, so that the performance and efficiency of loudspeaker are greatly affected, and the utility model proposes a new solution for the above problems. SUMMARY
[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a T iron structure capable of reducing loudspeaker distortion to solve the technical problems mentioned in the background art.
[0006] To solve the above problems, the utility model adopts the following technical scheme.
[0007] A T iron structure capable of reducing loudspeaker distortion, comprising a T iron, a basket, a magnet, a Hua Si, a drum paper, and a sound film assembly, wherein the magnet and the Hua Si are concentrically installed on the T iron, the basket is detachably connected to the Hua Si, the drum paper is installed on the opening of the basket, the sound film assembly is installed at the bottom of the T iron, the T iron comprises a bottom plate, a column core, and an aluminum ring, a mounting through hole is formed in the middle part of the bottom plate, a ring-shaped mounting groove is arranged on the top opening of the mounting through hole, a sound transmission through hole is formed in the center position of the column core, the inner side of the aluminum ring is in interference connection with the column core, and the outer side of the aluminum ring is in interference connection with the ring-shaped mounting groove, the end part of the sound film assembly is installed in the gap between the bottom plate and the column core, an aluminum horn is arranged on the top part of the column core and in communication with the top part of the sound transmission through hole, a rear cover is installed on the lower end surface of the bottom plate, a throat plug is inserted into the bottom part of the sound transmission through hole, and a voice coil is installed between the column core and the Hua Si.
[0008] Preferably, a dust cap is arranged in the middle part of the drum paper.
[0009] Preferably, in any of the above-mentioned solutions, the side wall of the yoke is provided with heat dissipation holes.
[0010] Preferably, in any of the above-mentioned solutions, the edge of the drum paper is fixed on the top opening of the yoke by the provided edge pressing.
[0011] Preferably, in any of the above-mentioned solutions, the bottom of the yoke is fixed with a spring wave, one end of the spring wave being fixed on the outer side of the voice coil.
[0012] Preferably, in any of the above-mentioned solutions, the voice coil is electrically connected with a cotton silk wire, the end of the cotton silk wire being connected with a terminal, one end of the terminal being fixed on the yoke.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] In the utility model, the T iron is designed as a bottom plate, a column core, an aluminum ring and an aluminum horn, the column core with a proper length is selected according to the use requirement of the loudspeaker, and the column core is combined with the T iron through the aluminum ring for use, so that the magnetic circuit of the loudspeaker is in a uniform magnetic saturation state, and the second harmonic distortion of the product is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a whole structure schematic view of the T iron structure capable of reducing the loudspeaker distortion.
[0016] Mark explanation in the drawing:
[0017] 1, T iron; 2, yoke; 3, magnet; 4, Hua Si; 5, drum paper; 6, sound film assembly; 101, bottom plate; 102, column core; 103, aluminum ring; 104, mounting through hole; 105, annular mounting groove; 106, sound transmission through hole; 107, aluminum horn; 108, rear cover; 109, throat plug; 7, voice coil; 8, dust cap; 9, heat dissipation hole; 10, edge pressing; 11, spring wave; 12, cotton silk wire; 13, terminal. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0019] Embodiment: please refer to Figure 1The utility model relates to a T iron structure of reducing loudspeaker distortion, including T iron 1, frame 2, magnet 3, Huasi 4, drum paper 5, sound film assembly 6, magnet 3, Huasi 4 concentric installation on T iron 1, frame 2 can be dismantled and connect on Huasi 4, drum paper 5 installs on the opening of frame 2, sound film assembly 6 installs at the bottom of T iron 1, T iron 1 includes bottom plate 101, column core 102, aluminium ring 103, the middle part of bottom plate 101 is seted up with installation through -hole 104, and the top opening of installation through -hole 104 is provided with annular installation groove 105, and the central position of column core 102 is seted up with sound transmission through -hole 106, and the inner side of aluminium ring 103 is connected with column core 102 and is in interference, and the outer side of aluminium ring 103 is connected with annular installation groove 105 and is in interference, and the end of sound film assembly 6 is installed in the clearance between bottom plate 101, column core 102, and the top of column core 102 is provided with aluminium horn 107, and aluminium horn 107 communicates with the top of sound transmission through -hole 106, and the lower end surface of bottom plate 101 is provided with back cover 108, and the bottom of sound transmission through -hole 106 is inserted with throat plug 109, and the between column core 102 and Huasi 4 is installed with voice coil 7;
[0020] The T iron 1 is designed as the bottom plate 101, the column core 102, the aluminium ring 103 and the aluminium horn 107, the column core 102 with a proper length is selected according to the use requirement of the loudspeaker, and the column core 102 is combined with the T iron 1 through the aluminium ring 103, so that the magnetic circuit of the loudspeaker is in a uniform magnetic saturation state, and the second harmonic distortion of the product is effectively reduced.
[0021] In the embodiment, the middle part of the drum paper 5 is provided with the dustproof cap 8; the dustproof cap 8 is used to reduce the dust falling on the drum paper 5 and protect the drum paper 5.
[0022] In the embodiment, the sidewall of the frame 2 is provided with the heat dissipation hole 9; the heat dissipation hole 9 is used to increase the heat dissipation performance of the frame 2 and avoid the heat accumulation in the frame 2.
[0023] In the embodiment, the edge of the drum paper 5 is fixed on the top opening of the frame 2 through the setting of the pressing edge 10; the pressing edge 10 is used to fix the drum paper 5 and prevent the edge of the drum paper 5 from loosening.
[0024] In the embodiment, the bottom of the frame 2 is fixed with the spring wave 11, and one end of the spring wave 11 is fixed on the outer side of the voice coil 7; the spring wave 11 is used to provide support for the voice coil.
[0025] In the embodiment, the cotton wire 12 is electrically connected on the voice coil 7, the end of the cotton wire 12 is connected with the terminal 13, and one end of the terminal 13 is fixed on the frame 2; the terminal 13 is used to provide a point for cable connection.
[0026] The working process of the utility model is as follows:
[0027] The bottom of the column core 102 is inserted into the aluminum ring 103, and then the combination of the column core 102 and the aluminum ring 103 is inserted into the annular mounting groove 105 at the top of the mounting through hole 4, then the magnet 3 and the dust shield 4 are concentrically mounted on the T iron 1, the yoke 2 is connected to the dust shield 4, and then the sound film assembly 6, the voice coil 7, the pressing edge 10, the elastic wave 11, the cotton wire 12 and the terminal 13 are mounted in place. The T iron 1 is designed as the bottom plate 101, the column core 102, the aluminum ring 103 and the aluminum horn 107. According to the use requirements of the loudspeaker, the column core 102 with a proper length is selected, and the column core 102 is combined with the T iron 1 through the aluminum ring 103 for use, so that the magnetic circuit of the loudspeaker is in a uniform magnetic saturation state, and the second harmonic distortion of the product is effectively reduced.
[0028] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the improved concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A T-shape iron structure capable of reducing loudspeaker distortion, comprising a T-shape iron (1), a basket (2), a magnet (3), a dust cap (4), a cone paper (5), a diaphragm assembly (6), the magnet (3) and the dust cap (4) being concentrically installed on the T-shape iron (1), the basket (2) being detachably connected to the dust cap (4), the cone paper (5) being installed on an opening of the basket (2), and the diaphragm assembly (6) being installed on a bottom of the T-shape iron (1), characterized in that: The T iron (1) comprises a bottom plate (101), a column core (102) and an aluminum ring (103), a mounting through hole (104) is formed in the middle of the bottom plate (101), a ring-shaped mounting groove (105) is arranged on the top opening of the mounting through hole (104), a sound transmission through hole (106) is formed in the center of the column core (102), the inner side of the aluminum ring (103) is connected with the column core (102) in an interference fit, the outer side of the aluminum ring (103) is connected with the ring-shaped mounting groove (105) in an interference fit, the end of the diaphragm assembly (6) is mounted in the gap between the bottom plate (101) and the column core (102), an aluminum horn (107) is arranged on the top of the column core (102), the aluminum horn (107) is communicated with the top of the sound transmission through hole (106), a back cover (108) is mounted on the lower end surface of the bottom plate (101), a throat plug (109) is inserted into the bottom of the sound transmission through hole (106), and a voice coil (7) is mounted between the column core (102) and the Hua Si (4). 2. The T-shape structure for reducing distortion of a loudspeaker according to claim 1, wherein: The middle of the drum paper (5) is provided with a dust cap (8).
3. The T-iron structure for reducing distortion of a loudspeaker according to claim 1, characterized by: The sidewall of the yoke (2) is provided with a heat dissipation hole (9).
4. The T-iron structure for reducing distortion of a loudspeaker according to claim 3, characterized by: The edge of the drum paper (5) is fixed on the top opening of the yoke (2) through the arranged edge pressing (10).
5. The T-iron structure for reducing distortion of a loudspeaker according to claim 3, characterized by: The bottom of the yoke (2) is fixed with a bellow (11), one end of the bellow (11) is fixed on the outer side of the voice coil (7).
6. The T-iron structure for reducing distortion of a loudspeaker according to claim 5, characterized by: The voice coil (7) is electrically connected with a cotton wire (12), the end of the cotton wire (12) is connected with a terminal (13), and one end of the terminal (13) is fixed on the yoke (2).