Double-membrane high pitch loudspeaker

Abstract

The utility model relates to the technical field of loudspeakers, and discloses a double-diaphragm high pitch loudspeaker, which is provided with a loudspeaker main body, a diaphragm is arranged in the loudspeaker main body, and the diaphragm comprises an annular main piece, a support ring arranged at the bottom of the main piece and a carcass. A circle of n-shaped edge arching upwards is formed on the outer edge of the main piece, and an opening edge inclining upwards is formed on the inner edge of the main piece. The bottom of the carcass is embedded between the main piece and the supporting ring along the opening edge so as to be fixed; the support ring is an annular support structure arranged at the bottom of the main piece and is used for enhancing the stability of the vibrating diaphragm; the carcass is another constituent part of the vibrating diaphragm and is used for connecting the main piece and the supporting ring; an n-shaped edge which is arched upwards is formed on the extension of the main piece, so that the vibration characteristic of the vibrating diaphragm or the sound spreading is facilitated, and the high-frequency extension is improved; on the basis of the main part, the supporting ring is added, so that the whole vibrating diaphragm forms a double-layer structure; the supporting ring can extend towards the carcass direction according to needs.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, and in particular to a double-membrane tweeter. Background Art

[0002] A tweeter is a loudspeaker used to reproduce high-frequency audio signals. A tweeter can reproduce sounds in the high-frequency range, such as human voices and high-frequency sounds of percussion instruments. Tweeters are usually used in home audio systems, car audio systems, stage audio systems, etc.

[0003] At present, consumers have higher and higher requirements for the quality of tweeters, so it is necessary to improve the high frequency of tweeters and increase the high frequency bandwidth of speakers;

[0004] The utility model aims to solve the technical problem of providing a double-membrane tweeter loudspeaker capable of improving high-frequency bandwidth. Utility Model Content

[0005] The technical problem to be solved by the utility model is: to provide a double-membrane tweeter speaker with improved high-frequency bandwidth; the speaker body is the main structure of the entire speaker, responsible for fixing and supporting other components; the diaphragm is the key part of the speaker to produce sound; the main part is the main part of the diaphragm and is ring-shaped; the support ring is an annular support structure arranged at the bottom of the main part, used to enhance the stability of the diaphragm; the body is another component of the diaphragm, used to connect the main part and the support ring; the extension of the main part forms an upwardly arched n-shaped edge, which is conducive to the vibration characteristics of the diaphragm or the dispersion of sound , improve high-frequency extension, facilitate the bonding of the voice coil and the diaphragm, and improve product yield; the inner edge of the main part forms an opening edge that is inclined upward, which is helpful for the vibration of the diaphragm or the guidance of the sound; the bottom of the carcass is embedded between the main part and the support ring along the opening edge, so that the carcass and the entire diaphragm structure can be fixed; on the basis of the main part, a support ring is added, so that the diaphragm as a whole forms a double-layer structure; the support ring can be extended toward the carcass as needed; the diaphragm is made into a double-layer structure, so that the high-frequency bandwidth can easily reach 40K, and at the same time, the sound penetration is strong, the structure is stable, and the power is large.

[0006] A double-membrane tweeter has a speaker body, and a diaphragm is arranged inside the speaker body. The diaphragm includes a ring-shaped main part, a support ring arranged at the bottom of the main part, and a body. The main part is formed with a circle of n-shaped edges arched upward on the outer edge, and the inner edge of the main part is formed with an opening edge inclined upward; and the bottom of the body is embedded between the main part and the support ring along the opening edge to be fixed.

[0007] Preferably, the speaker body includes a rear cavity part; and a U-iron is provided on the top of the rear cavity part; and the inner cavity of the U-iron is provided with a magnet, a washer, and a voice coil from bottom to top; and a rear cavity is formed inside the rear cavity part; and the center positions of the magnet, the washer, and the voice coil are all penetrated by through grooves connected to the rear cavity.

[0008] Preferably, a disc rack is sleeved on the outer side of the U iron; an equalizer is sleeved on the outer side of the disc rack; a terminal is provided between the disc rack and the equalizer; and the terminal and the equalizer are electrically connected.

[0009] Preferably, a vent hole is formed through the bottom of the rear cavity, and the vent hole is connected to the rear cavity.

[0010] Preferably, the outer sleeve of the equalizer is provided with a bracket for easy installation; and a protective mask is provided above the diaphragm to protect it.

[0011] Preferably, a plurality of through holes are formed through the top of the protective mask.

[0012] Preferably, the support ring and the carcass are both made of metal; and the U-shaped edge is made of PU material.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: in the double-diaphragm tweeter of the utility model, the speaker body is the main structure of the entire speaker, responsible for fixing and supporting other components; the diaphragm is the key part of the speaker to produce sound; the main part is the main part of the diaphragm and is ring-shaped; the support ring is an annular support structure arranged at the bottom of the main part, used to enhance the stability of the diaphragm; the carcass is another component of the diaphragm, used to connect the main part and the support ring; the extension of the main part forms an upwardly arched n-shaped edge, which is helpful for the vibration characteristics of the diaphragm or the dispersion of sound, and improves high-frequency extension; the inner edge of the main part forms an upwardly inclined opening edge, which is helpful for the vibration of the diaphragm or the guidance of sound; the bottom of the carcass is embedded between the main part and the support ring along the opening edge, so that the carcass and the entire diaphragm structure can be fixed; on the basis of the main part, a support ring is added, so that the diaphragm as a whole forms a double-layer structure; the support ring can be extended toward the carcass as needed.

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

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 This utility model Figure 1 Another angle diagram of the structure.

[0018] Figure 3 This utility model Figure 1 Schematic diagram of the decomposition structure.

[0019] Figure 4 This utility model Figure 1 Schematic diagram of the half-section structure.

[0020] Figure 5 It is a schematic diagram of the diaphragm structure of the utility model.

[0021] Figure 6 This utility model Figure 5 A is an enlarged structural diagram of FIG.

[0022] Figure 7 This utility model Figure 5 Schematic diagram of the decomposition structure.

[0023] In the figure: 2, diaphragm; 3, main part; 4, support ring; 5, body; 6, n-shaped edge; 7, opening edge; 8, rear cavity part; 9, U iron; 10, magnet; 11, washer; 12, voice coil; 13, rear cavity; 14, through groove; 15, disc rack; 16, equalizer; 17, terminal; 18, vent; 19, bracket; 20, protective mask; 21, through hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] It should be noted that the terms "first", "second", etc. in the present invention are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, 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.

[0026] See also Figures 1 to 7In an embodiment of the utility model, a double-membrane tweeter has a speaker body, and a diaphragm 2 is provided inside the speaker body; the diaphragm 2 includes a ring-shaped main part 3, a support ring 4 and a body 5 arranged at the bottom of the main part 3; and the main part 3 is formed with a circle of upwardly arched n-shaped edges 6 on the outer edge, and the inner edge of the main part 3 is formed with an opening edge 7 inclined upward; and the bottom of the body 5 is embedded between the main part 3 and the support ring 4 along the opening edge 7 to be fixed.

[0027] Specifically, the speaker body is the main structure of the entire speaker, responsible for fixing and supporting other components; the diaphragm 2 is the key part of the speaker to produce sound; the main component 3 is the main part of the diaphragm 2 and is ring-shaped; the support ring 4 is an annular support structure arranged at the bottom of the main component 3, which is used to enhance the stability of the diaphragm 2; the body 5 is another component of the diaphragm 2, which is used to connect the main component 3 and the support ring 4; the extension of the main component 3 forms an upwardly arched n-shaped edge 6, which helps the vibration characteristics of the diaphragm 2 or the dispersion of sound, improves the high-frequency extension, and facilitates the voice coil 12 and the membrane The sheets are bonded to improve the product yield; the inner edge of the main part 3 forms an opening edge 7 inclined upward, which is helpful for the vibration of the diaphragm 2 or the guidance of the sound; the bottom of the body 5 is embedded between the main part 3 and the support ring 4 along the opening edge 7, so that the body 5 and the entire diaphragm 2 structure can be fixed; on the basis of the main part 3, a support ring 4 is added, so that the diaphragm 2 forms a double-layer structure as a whole; the support ring 4 can be extended toward the direction of the body 5 as needed; the diaphragm 2 is made into a double-layer structure, so that the high-frequency bandwidth can easily reach 40K, and at the same time, the sound penetration is strong, the structure is stable, and the power is large.

[0028] Furthermore, the speaker body includes a rear cavity part 8; and a U-iron 9 is provided on the top of the rear cavity part 8; and the inner cavity of the U-iron 9 is provided with a magnet 10, a washer 11, and a voice coil 12 from bottom to top; and a rear cavity 13 is formed inside the rear cavity part 8; and the center positions of the magnet 10, the washer 11, and the voice coil 12 are all penetrated by a through groove 14 connected to the rear cavity 13.

[0029] Specifically, the speaker body includes a rear cavity 8, which is the main structural part of the speaker and is used to isolate the front cavity and the rear cavity 13; the rear cavity 13 is a chamber located inside the speaker body, and the front cavity is located above the rear cavity 8;

[0030] U iron 9 refers to a U-shaped iron core; the U-shaped iron core is a component used to concentrate and guide magnetic lines of force; in a speaker, the U-shaped iron core is an important component of an electromagnetic driver, which generates a magnetic field together with a magnet 10 to drive the diaphragm 2 of the speaker to generate sound; the washer 11 is a gasket; the voice coil 12 is located on the washer 11, and is a key part of the interaction between the diaphragm 2 and the magnetic field, and generates vibrations through interaction with the magnetic field to generate sound; a rear cavity 13 is formed inside the rear cavity 8;

[0031] The magnet 10 , the washer 11 and the voice coil 12 are all penetrated by a through slot 14 at their center, which is connected to the rear cavity 13 , thereby facilitating air flow and pressure balance between the rear cavity 13 and these components.

[0032] Furthermore, a disc rack 15 is sleeved on the outer side of the U iron 9 ; an equalizer 16 is sleeved on the outer side of the disc rack 15 ; a terminal 17 is provided between the disc rack 15 and the equalizer 16 ; and the terminal 17 and the equalizer 16 form an electrical connection.

[0033] Specifically, a disc rack 15 is sleeved on the outer side of the U iron 9; the disc rack 15 is a supporting structure or frame located on the outer side of the U iron 9, used to fix and support other components; an equalizer 16 is sleeved on the outer side of the disc rack 15; the equalizer 16 is an electronic component used to adjust and optimize the sound output; the equalizer 16 can adjust the frequency response of the audio signal to make the sound more balanced and natural; a terminal 17 is provided between the disc rack 15 and the equalizer 16; the terminal 17 is a component connected to the equalizer 16; the terminal 17 and the equalizer 16 form an electrical connection, which can be achieved by welding, allowing current to flow, so that the equalizer 16 can work and the speaker outputs sound.

[0034] Furthermore, a vent hole 18 is formed through the bottom of the rear cavity member 8 , and the vent hole 18 is in communication with the rear cavity 13 .

[0035] Specifically, the vent 18 is located at the bottom of the rear cavity 8 and runs through the entire rear cavity 8; the main function of the vent 18 is to provide a gas exchange channel between the rear cavity 13 and the external environment; it helps to adjust the air pressure in the rear cavity 13, optimize the movement of the diaphragm 2 and the performance of the speaker; the vent 18 is directly connected to the rear cavity 13, allowing air to flow freely between the rear cavity 13 and the vent 18; by connecting with the rear cavity 13, the vent 18 can help maintain the air pressure balance in the rear cavity 13, which can optimize the high and low frequency response of the speaker, the movement control of the diaphragm 2 and the clarity of the sound.

[0036] Furthermore, the equalizer 16 is provided with a bracket 19 for easy installation on its exterior, and a protective mask 20 is provided above the diaphragm 2 to protect it.

[0037] Specifically, the protective mask 20 is located above the diaphragm 2, covering and protecting the entire diaphragm 2; the main function of the protective mask 20 is to protect the diaphragm 2 from external objects, dust or other potential damages, reduce the risk of the diaphragm 2 being collided or damaged, and extend the service life of the speaker.

[0038] Furthermore, a plurality of through holes 21 are formed through the top of the protective mask 20 .

[0039] Specifically, the through hole 21 is located at the top portion of the protective mask 20, and can be along the center line of the protective mask 20 or distributed at different positions of the protective mask 20; the through hole 21 can provide a channel for air circulation, which helps to circulate air and dissipate heat behind the diaphragm 2; it helps to keep the temperature of the diaphragm 2 and the equalizer 16 within a controllable range, thereby maintaining their optimal performance; reducing weight and improving sound output; the through hole 21 can reduce the weight of the mask while improving the dispersion and response of the sound, making the sound more natural and clear; the through hole 21 can also help reduce the air pressure generated inside the mask and prevent pressure accumulation, thereby protecting the diaphragm 2 from unnecessary stress and damage; the through hole 21 can have different shapes and sizes to adapt to the design and functional requirements of the protective mask 20.

[0040] Furthermore, the support ring 4 and the carcass 5 are both made of metal; and the U-shaped edge is made of PU material.

[0041] Specifically, metal materials are usually strong and durable, and can provide solid support and structural stability; metal can also effectively dissipate heat, which helps maintain the stability and performance of the speaker during long-term use; PU is a synthetic material with good elasticity and durability; the U-shaped edge made of PU can provide the flexibility and resilience required by the speaker diaphragm 2. In addition, PU material also has good waterproof and weather resistance, which helps the speaker to maintain good working condition under various environmental conditions; the elasticity and resilience of the U-shaped edge are crucial to the sound output and vibration characteristics of the speaker; the U-shaped edge of PU material can help achieve clear, natural and balanced sound output.

[0042] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A double-membrane tweeter, comprising a speaker body, wherein a diaphragm (2) is provided inside the speaker body, wherein: The diaphragm (2) comprises a main part (3) in the shape of a ring, a support ring (4) arranged at the bottom of the main part (3), and a body (5); the main part (3) is formed with a circle of n-shaped edges (6) arched upward on the outer edge, and the inner edge of the main part (3) is formed with an opening edge (7) inclined upward; and the bottom of the body (5) is embedded between the main part (3) and the support ring (4) along the opening edge (7) to be fixed.

2. A double-membrane tweeter according to claim 1, characterized in that: The speaker body comprises a rear cavity part (8); a U iron (9) is arranged on the top of the rear cavity part (8); a magnet (10), a washer (11), and a voice coil (12) are arranged in the inner cavity of the U iron (9) from bottom to top; a rear cavity (13) is formed inside the rear cavity part (8); and a through groove (14) communicating with the rear cavity (13) is formed through the center positions of the magnet (10), the washer (11), and the voice coil (12).

3. A double-membrane tweeter according to claim 2, characterized in that: A disc rack (15) is sleeved on the outer side of the U iron (9); an equalizer (16) is sleeved on the outer side of the disc rack (15); a terminal (17) is provided between the disc rack (15) and the equalizer (16); and the terminal (17) and the equalizer (16) are electrically connected.

4. A double-membrane tweeter according to claim 2, characterized in that: A vent hole (18) is formed through the bottom of the rear cavity (8); and the vent hole (18) is in communication with the rear cavity (13).

5. The double-membrane tweeter according to claim 3, characterized in that: The equalizer (16) is provided with a bracket (19) on its outer sleeve for easy installation; and a protective mask (20) is provided above the diaphragm (2) for protecting it.

6. A double-membrane tweeter according to claim 5, characterized in that: A plurality of through holes (21) are formed through the top of the protective mask (20).

7. The double-membrane tweeter according to claim 1, characterized in that: The support ring (4) and the carcass (5) are both made of metal material; and the U-shaped edge is made of PU material.

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