Ultra-narrow high extension flat horn

Abstract

The utility model relates to the technical field of horns, and discloses an ultra-narrow high extension flat horn, which comprises a frame. A plurality of placing grooves are formed in the basin stand; voice coils are arranged in the placing grooves; a vibrating diaphragm is arranged above the basin stand; protruding parts are formed on the two sides of the vibrating diaphragm outwards. The protruding parts on the two sides are combined and then matched with the outer edge of the voice coil, so that the fitting degree between the voice coil and the vibrating diaphragm is enhanced; due to the arrangement of the protruding part, the voice coil can be made larger than a common loudspeaker, the driving force is higher, the sound pressure is higher, the high-frequency extension of the loudspeaker can reach 30K due to the reinforcing structure, and meanwhile, the sound penetrating power is high, the structure is stable, and the power is high; through the matching design of the protruding part and the outer edge of the voice coil, the fitting degree between the vibrating diaphragm and the voice coil is enhanced. Energy loss between the voice coil and the vibrating diaphragm can be reduced, so that sound performance of the loudspeaker is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of speakers, and particularly to an ultra-narrow and high-extension flat speaker. Background Art

[0002] A flat speaker refers to an audio device using flat speaker technology; the flat speaker uses a special flat material as a vibration diaphragm and is driven by electromagnetic or piezoelectric means to achieve sound emission.

[0003] The following problems exist in the current market: for general flat speakers currently available, their high-frequency extension generally cannot reach 30K, and the sound pressure needs to be further improved.

[0004] The technical problem to be solved by the utility model is to provide an ultra-narrow and high-extension flat speaker. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is to provide an ultra-narrow and high-extension flat speaker; the setting of the protruding part also enables the voice coil to be made larger than that of ordinary speakers, with stronger driving force and greater sound pressure. Due to this strengthening structure, the high-frequency extension of the speaker can reach 30K, and at the same time, the sound penetration is strong, the structure is stable, and the power is large; through the matching design of the protruding part and the outer edge of the voice coil, the fitting degree between the diaphragm and the voice coil is strengthened; the energy loss between the voice coil and the diaphragm can be reduced, thereby improving the sound performance of the speaker.

[0006] An ultra-narrow and high-extension flat speaker includes a chassis; several placement grooves are provided inside the chassis; voice coils are arranged in the placement grooves; a diaphragm is provided above the chassis; and protruding parts are formed outward on both sides of the diaphragm; and the protruding parts on both sides are combined to match the outer edge of the voice coil, thereby strengthening the fitting degree between the voice coil and the diaphragm.

[0007] Preferably, an iron core is further provided in the placement groove; and a magnet and a washer are sequentially placed from bottom to top inside the iron core; and the voice coil is wrapped around the iron core.

[0008] Preferably, the diaphragm is composed of a first diaphragm and a second diaphragm; and the protruding part is formed on the second diaphragm.

[0009] Preferably, terminals are fixedly installed on both sides of the chassis.

[0010] Preferably, the cross-section of the protruding part is semi-circular.

[0011] Preferably, the width of the chassis is 20 ± 0.5 mm.

[0012] Preferably, the material of the edge of the diaphragm is rubber.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: for the ultra-narrow and high-extension flat horn of the present utility model, the provision of the protruding part also enables the voice coil to be made larger than that of ordinary horns, with stronger driving force, greater sound pressure. Due to this reinforcement structure, the high-frequency extension of the horn can reach 30K, and at the same time, the sound has strong penetration, stable structure, and high power; through the matching design of the protruding part and the outer edge of the voice coil, the adhesion between the diaphragm and the voice coil is strengthened; the energy loss between the voice coil and the diaphragm can be reduced, thereby improving the sound performance of the horn.

[0014] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 is the exploded structural schematic diagram of the present utility model.

[0017] Figure 2 is the present utility model Figure 4 of the cross-sectional structural schematic diagram.

[0018] Figure 3 is the structural schematic diagram of the first diaphragm and the second diaphragm of the present utility model.

[0019] Figure 4 is the overall structural schematic diagram of the present utility model.

[0020] Figure 5 is the schematic diagram of the effect comparison curve of the present utility model with and without the protruding part.

[0021] In the figure: 1, chassis; 2, placement groove; 3, voice coil; 4, diaphragm; 5, protruding part; 6, U-shaped iron; 7, magnet; 8, washer; 9, first diaphragm; 10, second diaphragm; 11, terminal. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0023] It should be noted that the terms "first", "second", etc. in the present utility model are used to distinguish similar objects and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances so that the embodiments of the present disclosure described herein can be implemented in an order other than those illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure.

[0024] Please refer to Figures 1 to 5 , in the embodiment of the present utility model, a ultra-narrow and high-extension flat horn includes a chassis 1; a plurality of placement grooves 2 are provided inside the chassis 1; voice coils 3 are arranged in the placement grooves 2; a diaphragm 4 is provided above the chassis 1; and convex portions 5 are formed outwardly on both sides of the diaphragm 4; and the convex portions 5 on both sides are combined to match the outer edge of the voice coil 3, so as to strengthen the adhesion between the voice coil 3 and the diaphragm 4.

[0025] Specifically, the chassis 1 is the support structure of the entire horn, usually made of lightweight and strong materials such as aluminum alloy or plastic; a plurality of placement grooves 2 are provided inside the chassis 1, and the function of these grooves is to accommodate the voice coil 3 and provide a stable installation position for the voice coil 3; the placement grooves 2 are the groove parts inside the chassis 1, and their sizes and shapes match those of the voice coil 3; a plurality of placement grooves 2 can make the horn have better structural stability and sound performance during operation; the voice coil 3 is one of the core components of the horn, responsible for converting electrical signals into mechanical motion, so as to drive the diaphragm 4 to emit sound; the diaphragm 4 is the component driven by the voice coil 3 and is located above the chassis 1, responsible for converting the mechanical motion of the voice coil 3 into sound waves; convex portions 5 are formed outwardly on both sides of the diaphragm 4; its function is to increase the edge area of the diaphragm 4; the convex portions 5 are combined on both sides to match the outer edge of the voice coil 3, playing a strengthening role; it can better fix the connection between the voice coil 3 and the diaphragm 4 and prevent the diaphragm 4 from shifting or deforming during movement; the setting of the convex portions 5 also enables the voice coil 3 to be larger than that of ordinary horns, with stronger driving force and greater sound pressure. Due to this strengthening structure, the high-frequency extension of the horn can reach 30K, and at the same time, the sound has strong penetration, stable structure and high power; through the matching design of the convex portions 5 and the outer edge of the voice coil 3, the adhesion between the diaphragm 4 and the voice coil 3 is strengthened; the energy loss between the voice coil 3 and the diaphragm 4 can be reduced, thereby improving the sound performance of the horn, especially in the design of ultra-narrow and high-extension.

[0026] Furthermore, an iron core 6 is also provided in the placement groove 2; a magnet 7 and a washer 8 are sequentially placed from bottom to top inside the iron core 6; and the voice coil 3 is sleeved on the iron core 6.

[0027] Specifically, the U-shaped iron core 6: The U-shaped iron core 6 is a kind of iron core, shaped like the letter "U", and is placed in the placement groove 2 of the basin frame 1; the function of the U-shaped iron core 6 is to concentrate the magnetic field and enhance the efficiency of the magnetic circuit, thereby improving the performance of the voice coil 3 in electromagnetic drive; the magnet 7 is located inside the U-shaped iron core 6 and is placed in sequence from bottom to top; the function of the magnet 7 is to provide a stable magnetic field and provide the necessary magnetic field basis for the movement of the voice coil 3; the washer 8 is placed above the magnet 7, and its function is to further optimize the distribution of the magnetic field and ensure that the magnetic field can act on the voice coil 3 evenly; this design can reduce the loss of the magnetic field, and through the action of the washer 8, make the magnetic field more concentrated at the position where the voice coil 3 is located, improving the efficiency of the speaker.

[0028] The voice coil 3 is wrapped around the U-shaped iron core 6, enabling the voice coil 3 to directly benefit from the magnetic field concentrated and guided by the U-shaped iron core 6; under the action of the U-shaped iron core 6, the voice coil 3 can obtain a stronger driving force, which not only improves the response speed and accuracy of the voice coil 3 but also reduces energy loss; the close combination of the voice coil 3 and the U-shaped iron core 6 helps the speaker maintain accuracy and stability in high-frequency response, especially being able to exhibit clear sound quality under rapidly changing sound signals.

[0029] Furthermore, the diaphragm 4 is composed of a first diaphragm 9 and a second diaphragm 10; and the convex part 5 is formed on the second diaphragm 10.

[0030] Specifically, the first diaphragm 9 serves as the main vibration element. The first diaphragm 9 is directly coupled with the voice coil 3 and is responsible for converting the mechanical movement of the voice coil 3 into sound waves; the first diaphragm 9 is usually made of lightweight and highly responsive materials such as polyester film, aluminum film, or paper materials; the second diaphragm 10 is located below the first diaphragm 9, and its main function is to assist the first diaphragm 9 in vibrating and provide additional structural support; the second diaphragm 10 can be made of the same or different materials as the first diaphragm 9. According to design requirements, it can increase the richness of the speaker's sound quality and the stability of sound performance; the convex parts 5 extend outward on both sides of the second diaphragm 10; the convex parts 5 match the outer edge of the voice coil 3, thereby strengthening the fit between the voice coil 3 and the diaphragm 4; through the combination of the convex parts 5 and the voice coil 3, the diaphragm 4 is more stable during the driving process and is not prone to offset or irregular vibration; the convex parts 5 can play a certain shock-absorbing role, reducing abnormal vibrations of the diaphragm 4 caused by air resistance or other factors during movement; the design of the convex parts 5 helps to optimize the energy transfer between the diaphragm 4 and the voice coil 3, enabling the driving force of the voice coil 3 to be more effectively transmitted to the diaphragm 4, improving the clarity and accuracy of the sound; the first diaphragm 9 and the second diaphragm 10 can be connected by bonding.

[0031] Furthermore, terminals 11 are fixedly installed on both sides of the basin frame 1.

[0032] Specifically, the terminals 11 are fixed on both sides of the chassis 1, usually firmly installed by means such as screws or rivets to ensure a stable connection between the terminals 11 and the chassis 1, making it not easy to loosen. This not only ensures the structural stability but also effectively avoids the detachment of the terminals 11 caused by vibration or long-term use. One or more terminals 11 are installed on each side, and the number of terminals 11 can be configured according to the electrical requirements of the speaker. The design of installing on both sides helps to simplify the connection layout, making the wiring more convenient and tidy. The terminals 11 are mainly used to connect the voice coil 3 with an external audio signal source, such as an amplifier or audio equipment. They act as electrical interfaces, and through the terminals 11, the audio signal is input into the voice coil 3 to drive the diaphragm 4 to generate sound waves. The terminals 11 can be equipped with designs such as spring clips or screw crimping to enhance the firmness of the connection and the anti-vibration ability. At the same time, the outside of the terminals 11 usually has an insulation protection design to prevent short circuits or other electrical faults.

[0033] Further, the cross-section of the protruding part 5 is semi-circular.

[0034] Specifically, the cross-section of the protruding part 5 is semi-circular, making the protruding part 5 more aerodynamic. The semi-circular structure reduces air resistance, making the diaphragm 4 move more smoothly during vibration. This not only optimizes the movement trajectory of the diaphragm 4 but also reduces the tension and stress distribution on the edge of the diaphragm 4.

[0035] The semi-circular cross-section helps to evenly disperse the pressure on the diaphragm 4, thereby reducing the risk of deformation and damage to the edge of the diaphragm 4. The uniform force distribution is crucial for maintaining the integrity of the diaphragm 4 and extending the service life of the speaker.

[0036] The semi-circular protruding part 5 fits more closely to the outer edge of the voice coil 3, enhancing the bonding force between the voice coil 3 and the diaphragm 4 and reducing looseness at the connection or offset of the diaphragm 4. Since the semi-circular protruding part 5 reduces the stress concentration at the edge of the diaphragm 4, the diaphragm 4 can respond more flexibly and quickly under the drive of the voice coil 3. This improves the high-frequency response ability of the speaker, making the sound quality clearer and more accurate.

[0037] Further, the width of the chassis 1 is 20 ± 0.5 mm.

[0038] Specifically, the 20-mm width enables the chassis 1 to adapt to the design of ultra-narrow and high-extension speakers. This size allows the speaker to be better integrated into narrow-space application scenarios, such as TVs, tablets, laptops, or other ultra-thin audio devices.

[0039] Further, the material used for the edge of the diaphragm 4 is rubber.

[0040] Specifically, the edge made of rubber material has good elasticity and damping characteristics, which can effectively control the vibration amplitude and edge movement of the diaphragm 4; this helps to reduce distortion and make the sound clearer and more natural; the damping effect of the rubber can also absorb excess vibration and energy, thereby reducing unnecessary resonance and sound distortion of the diaphragm 4; the rubber edge can form a good seal to prevent air leakage, which is particularly important for low-frequency performance; the good seal can enhance the low-frequency performance and make the sound fuller and more powerful.

[0041] Moreover, in order to reflect the difference in the effects between the case with the protruding part and the case without the protruding part, the following is the data table:

[0042]

[0043]

[0044]

[0045]

[0046] As can be seen from the above table, after adopting the protruding part, the high-frequency extension of the speaker can reach 30K; please refer to Figure 5 , where curve A represents the sound pressure values at different frequencies after setting the protruding part, and curve B represents the sound pressure values at different frequencies without setting the protruding part; and the X-axis in the figure represents different frequencies, and the Y-axis represents the sound pressure values.

[0047] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model.

Claims

1. An ultra-narrow high-extension flat speaker, comprising a basin frame (1); characterized in that: A plurality of placement grooves (2) are provided inside the basin frame (1); voice coils (3) are provided in the placement grooves (2); a diaphragm (4) is provided above the basin frame (1); and protrusions (5) are formed outward on both sides of the diaphragm (4); and the protrusions (5) on both sides are combined to match the outer edge of the voice coil (3), thereby enhancing the fit between the voice coil (3) and the diaphragm (4).

2. The ultra-narrow high-extension flat speaker according to claim 1, characterized in that: A U iron (6) is also arranged in the placement groove (2); a magnet (7) and a washer (8) are arranged in sequence from bottom to top inside the U iron (6); and the voice coil (3) is wrapped around the U iron (6).

3. The ultra-narrow high-extension flat speaker according to claim 1, characterized in that: The diaphragm (4) is composed of a first diaphragm (9) and a second diaphragm (10); and the protrusion (5) is formed on the second diaphragm (10).

4. The ultra-narrow high-extension flat speaker according to claim 1, characterized in that: Terminals (11) are fixedly mounted on both sides of the basin frame (1).

5. The ultra-narrow high-extension flat speaker according to claim 1, characterized in that: The cross section of the protrusion (5) is semicircular.

6. The ultra-narrow high-extension flat speaker according to claim 1, characterized in that: The width of the basin frame (1) is 20±0.5 mm.

7. The ultra-narrow high-extension flat speaker according to claim 1, characterized in that: The material used for the edge of the diaphragm (4) is rubber.

Images