Loudspeaker

Abstract

The loudspeaker comprises a voice diaphragm, a damper, a voice coil and a frame assembly, the frame assembly is provided with a hollow cavity and comprises an air pressure balance block integrally arranged on the wall of the cavity, one end of the air pressure balance block is provided with an outer vent hole, and the other end of the air pressure balance block is provided with an inner vent hole. An inner vent hole is formed in one end, leading to the hollow cavity of the basin stand assembly, of the air pressure balance block, the two holes are communicated with each other, and a waterproof breathable film is mounted on the outer vent hole; the basin stand assembly comprises a wiring end integrally arranged on the wall of the cavity, two wire holes are formed in the wiring end, and the basin stand assembly further comprises a U-shaped cup covering the bottom of the basin stand assembly. The basin stand assembly is arranged to be of a hollow cavity structure, the peripheral side ring of the basin stand assembly is closed, the voice diaphragm, the dustproof cap and the waterproof breathable film cover the upper end of the basin stand assembly, the U-shaped cup covers the bottom end of the basin stand assembly, and the whole basin stand assembly is in a closed state. And the risk that dust or water mist and the like are adhered to parts such as a voice diaphragm of the loudspeaker is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the manufacturing technical field of the electronic equipment of sounding, especially a loudspeaker. BACKGROUND

[0002] The loudspeaker is a transducer that converts electrical signals into sound, and the audio electrical energy is converted into sound through electromagnetic, piezoelectric or electrostatic effect, and the cone or diaphragm vibrates and resonates with the surrounding air to emit sound.

[0003] Chinese patent publication (announcement) number: CN221710064U, patent title: a bass-reflex enclosure assembly for loudspeaker and loudspeaker, it discloses the technical scheme of "

[0004] according to an aspect of the utility model, provide a kind of bass-reflex enclosure assembly for loudspeaker, comprising: upper clamping plate and bass-reflex enclosure body ……"", obtains the technical effect of "

[0011] the bass-reflex enclosure assembly for loudspeaker and loudspeaker of the utility model, the extrusion between the convex prism set on the inner wall of riveting hole and riveting column makes the interference fit of riveting hole and riveting column, when picking up bass-reflex enclosure body, upper clamping plate will not fall off, improve production efficiency, and can improve the quality of bass-reflex enclosure assembly".

[0004] But as can be seen from the drawings, its bass-reflex enclosure assembly is open, and in use, the open structure can cause dust or water mist to adhere to the inside of the loudspeaker, which can cause damage to the parts such as the sound film, the magnetic circuit and the like, which can cause distortion of the sound, or even loss of function of the loudspeaker. SUMMARY

[0005] The utility model aims at providing a kind of loudspeaker to solve the problems raised in the above background.

[0006] To solve the above technical problems, the utility model is realized by the following technical measures: a loudspeaker, including the sound film that generates sound by vibration, the sound film support spring, the sound coil that converts electrical signal into mechanical vibration, and the bass-reflex enclosure assembly that places these parts, characterized by: the bass-reflex enclosure assembly is provided with a hollow cavity that penetrates up and down, the bass-reflex enclosure assembly includes air pressure balance block that is integrally arranged on the wall of cavity, one end of the air pressure balance block is provided with outer air hole, one end of the air pressure balance block leading to the hollow cavity of bass-reflex enclosure assembly is provided with inner air hole, two holes are through, waterproof air-permeable membrane is installed on the outer air hole;The bass-reflex enclosure assembly includes wiring terminal that is integrally arranged on the wall of cavity, the wiring terminal is provided with two wire holes, and the bass-reflex enclosure assembly further includes U cup covering the bottom.

[0007] Compared with the prior art, the utility model has the advantages that the pot frame assembly is provided with a hollow cavity structure, the outer peripheral side ring is closed, the sound film, the dustproof cap and the waterproof and breathable membrane cover the upper end of the pot frame assembly, the U cup covers the bottom end of the pot frame assembly, the whole pot frame assembly is in a closed state, can play 360 degrees waterproof, and the waterproof and breathable membrane plays the role of atmospheric balance inside and outside the loudspeaker.

[0008] As an improvement of the utility model, the inner diameter of the outer vent hole is larger than the inner diameter of the inner vent hole. The purpose of selecting this design is that the waterproof and breathable membrane is installed on the outer vent hole. Since the waterproof and breathable membrane is a film with dense fine holes, there is a large resistance when airflow passes through. In order to ensure smooth vibration of the sound film, the effective airflow area of the waterproof and breathable membrane cannot be too small.

[0009] As an improvement of the utility model, the pot frame assembly is provided with a second step for mounting the sound film. The purpose of selecting this design is that the outer ring of the sound film is fixed on the second step of the pot frame assembly, and the inner ring of the sound film vibrates up and down to make the whole sound film produce sound.

[0010] As an improvement of the utility model, the pot frame assembly is provided with a first step for mounting the sound film. The purpose of selecting this design is that the outer ring of the sound film is fixed on the first step of the pot frame assembly, and the sound film is used to support the sound film to ensure that it can freely vibrate when subjected to sound pressure.

[0011] As an improvement of the utility model, the outer wall of the pot frame assembly is provided with an ear type support. The purpose of selecting this design is that the ear type support is used to fix the whole loudspeaker.

[0012] As an improvement of the utility model, the number of ear type supports is two, and they are symmetrically arranged. The purpose of selecting this design is that the stress is uniform, and the fixing effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application. The embodiments of the application and its

[0014] In the drawings:

[0015] Figure 1 The utility model discloses an explosion diagram of the loudspeaker.

[0016] Figure 2 The utility model discloses a perspective view of the loudspeaker.

[0017] Figure 3 The three-dimensional structure of the stand assembly Figure 1 .

[0018] Figure 4 The three-dimensional structure of the stand assembly Figure 2 .

[0019] Mark 1, sound film; 2, elastic wave; 3, voice coil; 4, stand assembly; 5, air pressure balance block; 6, outer air hole; 7, inner air hole; 8, waterproof air permeable film; 9, wiring end; 10, wire hole; 11, first step; 12, second step; 13, ear support; 14, plug-in wire; 15, U cup; 16, neodymium iron boron; 17, clamping plate; 18, dust cap. DETAILED DESCRIPTION

[0020] The preferred embodiments of the utility model will be described below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0021] Example 1

[0022] Please refer to Figure 1 -4.

[0023] The loudspeaker provided in the embodiment comprises a sound film 1 for generating sound by vibration, an elastic wave 2 for supporting the sound film 1, a voice coil 3 for converting electrical signals into mechanical vibration, and a stand assembly 4 for placing these parts, further comprising a neodymium iron boron 16 (magnet) capable of generating a magnetic field, a clamping plate 17 and a U cup 15 which together constitute a magnetic circuit system of the loudspeaker, and a dust cap 18 provided on the sound film 1.

[0024] In the embodiment of the utility model application, please refer to Figure 1 , the stand assembly 4 is provided with a hollow cavity penetrating from top to bottom, and the neodymium iron boron 16 (magnet), the clamping plate 17, the elastic wave 2, the voice coil 3 and the sound film 1 are sequentially placed in the cavity.

[0025] The function of the neodymium iron boron 16 (magnet) is that it can generate a very strong magnetic field, thereby providing a solid support for the transmission of sound. The loudspeaker can more efficiently convert electrical energy into acoustic energy, reduce energy loss, and improve sound quality and efficiency.

[0026] The function of the clamping plate 17 and the U cup 15 is that they together constitute a magnetic circuit system of the loudspeaker, ensuring stable movement of the voice coil 3 in the magnetic field, and the thicker clamping plate 17 can ensure that the voice coil 3 can cut through parallel and uniform magnetic lines throughout the entire stroke, thereby improving the efficiency of the loudspeaker.

[0027] The role of the voice coil 3 is: its main function is to convert electrical signals into mechanical vibration, thereby generating sound. The voice coil 3 generates an electromagnetic field after being energized through interaction with the magnet, driving the diaphragm 1 to vibrate.

[0028] The role of the voice coil 3 is: its main function is to convert electrical signals into mechanical vibration, thereby generating sound. The voice coil 3 generates an electromagnetic field after being energized through interaction with the magnet, driving the diaphragm 1 to vibrate.

[0029] The role of the voice coil 3 is: its main function is to convert electrical signals into mechanical vibration, thereby generating sound. The voice coil 3 generates an electromagnetic field after being energized through interaction with the magnet, driving the diaphragm 1 to vibrate.

[0030] In the embodiments of the utility model application, please refer to Figure 3 And Figure 4 , the basin frame assembly 4 includes a gas pressure balance block 5 integrally arranged on the cavity wall, one end of the gas pressure balance block 5 is provided with an outer air hole 6, one end of the gas pressure balance block 5 leading to the hollow cavity of the basin frame assembly 4 is provided with an inner air hole 7, the two holes are through, and a waterproof air-permeable film 8 (see Figure 4 ) is installed on the outer air hole 6.

[0031] Further, the basin frame assembly 4 includes a wiring terminal 9 integrally arranged on the cavity wall, two wire holes 10 are arranged on the wiring terminal 9, and the plug-in wire 14 serving as a power supply passes through the two wire holes 10 and is electrically connected with the voice coil 3, and the basin frame assembly 4 further includes a U-shaped cup 15 covering the bottom thereof.

[0032] Further, the inner diameter of the outer air hole 6 is greater than the inner diameter of the inner air hole 7. The waterproof air-permeable film 8 is installed on the outer air hole 6, and since the waterproof air-permeable film 8 is a film with dense fine holes, there is a relatively large resistance when air flows, so as to ensure that the diaphragm 1 vibrates smoothly, and the effective air flow area of the waterproof air-permeable film 8 cannot be small.

[0033] Further, the basin frame assembly 4 is provided with a second step 12 for mounting the diaphragm 1. The outer ring of the diaphragm 1 is fixed on the second step 12 of the basin frame assembly 4, and the inner ring of the diaphragm 1 vibrates up and down, so that the entire diaphragm 1 generates sound.

[0034] Further, the basin frame assembly 4 is provided with a first step 11 for mounting the voice coil 2. The outer ring of the voice coil 2 is fixed on the first step 11 of the basin frame assembly 4, and the voice coil 2 is used to support the diaphragm 1 and ensure that the diaphragm 1 can freely vibrate when subjected to sound pressure.

[0035] Further, the outer wall of the basin frame assembly 4 is provided with ear-shaped supports 13, the number of which is two, and which are symmetrically arranged left and right. Through the two ear-shaped supports 13, the entire loudspeaker is fixed.

[0036] The utility model discloses the beneficial effect lies in: through setting up the basin frame assembly 4 as hollow cavity type structure, its outer peripheral side circle is all closed, and the sound film 1, dustproof cap 18, waterproof breathable membrane 8 cover the upper end of basin frame assembly 4, and U cup 15 covers the bottom end of basin frame assembly 4, and the whole basin frame assembly 4 is in the closed state, can play 360 degrees waterproof, and waterproof breathable membrane 8 plays the role of loudspeaker internal and external atmosphere balance, and waterproof breathable membrane 8 can resist 50kpa above air pressure, IP67 dustproof waterproof. This closed structure, dust or water mist etc. will not adhere to the inside of loudspeaker, and the risk of causing damage to the parts such as the wave spring, the sound film and the magnetic circuit.

[0037] In the description of the utility model, it needs to explain that the orientation or position relation of the terms "vertical", "upper", "lower", "horizontal" etc. is based on the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation of the utility model.

[0038] In the description of the utility model, it also needs to explain that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0039] Finally, it should be pointed out that: the above only for the preferred embodiment of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A speaker comprising a diaphragm (1) which generates sound by vibration, a spider (2) which supports the diaphragm (1), a voice coil (3) which converts an electric signal into mechanical vibration, and a basket assembly (4) which houses these parts, characterized in that: The basin frame assembly (4) is provided with a hollow cavity through up and down, the basin frame assembly (4) includes the air pressure balance block (5) integrally arranged on the cavity wall, one end of the air pressure balance block (5) is provided with the outer vent hole (6), the air pressure balance block (5) is provided with the inner vent hole (7) leading to the hollow cavity of the basin frame assembly (4), the two holes are through, the waterproof air permeable film (8) is installed on the outer vent hole (6);The basin frame assembly (4) includes the wiring terminal (9) integrally arranged on the cavity wall, the wiring terminal (9) is provided with two wire holes (10), the basin frame assembly (4) further includes the U cup (15) covering the bottom thereof.

2. The loudspeaker of claim 1, characterized in that: The inner diameter of the outer vent hole (6) is greater than the inner diameter of the inner vent hole (7).

3. The loudspeaker of claim 1, characterized in that: The basin frame assembly (4) is provided with the first step (11) for installing the elastic wave (2).

4. The loudspeaker of claim 1, characterized by: The basin frame assembly (4) is provided with the second step (12) for installing the sound film (1).

5. The loudspeaker of claim 1, characterized by: The outer wall of the basin frame assembly (4) is provided with the ear type support (13).

6. The loudspeaker of claim 5, characterized in that: The number of the ear type support (13) is two, and the left and right are symmetrically arranged.

Images