Waterproof loudspeaker

Abstract

The utility model discloses a waterproof loudspeaker, which comprises a frame, a central magnetic structure, a magnetic bowl, a phase cone and a waterproof breathable film, and is characterized in that the frame comprises a bottom plate; the central magnetic structure is arranged on the bottom plate; the magnetic bowl comprises a top plate and a peripheral wall which bends and extends downwards from the edge of the top plate, the top plate is arranged on the top surface of the central magnetic structure, a magnetic gap is formed between the peripheral wall and the central magnetic structure, and the top surface of the top plate is provided with a through hole communicated with the magnetic gap; the phase cone is installed on the magnetic bowl and provided with an air flow channel communicated with the penetrating hole, and the air flow channel is communicated with the outer surface of the phase cone to form a communication opening. The waterproof breathable film is arranged on the phase cone and shields the communication port. The waterproof loudspeaker is novel in structure, air pressure on the inner side and the outer side of the waterproof loudspeaker can be effectively balanced, after the waterproof loudspeaker leaves the water surface and water on the surface is dry, the vibrating diaphragm assembly can be reset quickly, the damage risk of the vibrating diaphragm assembly can be reduced, and the service life of the waterproof loudspeaker is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to electroacoustic transducer technical field especially relates to a waterproof loudspeaker. BACKGROUND

[0002] With the continuous updating of electronic products, the performance requirements of electronic products are getting higher and higher, and electronic products have developed from life waterproof to IP68 level or even higher waterproof requirements.

[0003] When subjected to a large water pressure impact, the diaphragm of the traditional waterproof loudspeaker is prone to sink, and it is difficult to rebound to the original design position when leaving the water surface, thereby causing the performance of the waterproof loudspeaker to deteriorate, and even permanent damage occurs. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problems that: provide a waterproof loudspeaker, the diaphragm assembly can quickly reset after leaving the water surface.

[0005] In order to solve the above technical problems, the utility model adopts the technical scheme that: a waterproof loudspeaker comprises:

[0006] A basin frame comprises a bottom plate;

[0007] A center magnetic structure is arranged on the bottom plate;

[0008] A magnetic bowl comprises a top plate and a peripheral wall extending downward from the edge of the top plate, the top plate is arranged on the top surface of the center magnetic structure, the peripheral wall and the center magnetic structure form a magnetic gap, and the top surface of the top plate has a perforation communicating with the magnetic gap;

[0009] A phase cone is installed on the magnetic bowl, the phase cone has an air flow channel communicating with the perforation, and the air flow channel communicates with the outer surface of the phase cone to form a communication port;

[0010] A waterproof and breathable membrane is arranged on the phase cone and covers the communication port.

[0011] Further, the outer surface of the phase cone is provided with a receiving groove for accommodating the waterproof and breathable membrane.

[0012] Further, the depth of the receiving groove is greater than or equal to the thickness of the waterproof and breathable membrane.

[0013] Further, the number of communication ports is multiple, and the multiple communication ports are uniformly distributed around the central axis of the phase cone.

[0014] Further, the bottom of the phase cone is provided with a mounting cavity, the upper region of the magnetic bowl extends into the mounting cavity, and the inner surface of the mounting cavity and the magnetic bowl jointly form the air flow channel.

[0015] Further, the bottom end of the peripheral wall is provided with an outwardly extending skirt, and the diaphragm assembly includes a cone basin, a sound membrane and a secondary membrane, the sound membrane is arranged around the outer edge of the cone basin, the sound membrane connects the cone basin and the basin frame, the bottom of the cone basin is provided with a window, the upper part of the voice coil is arranged in the window and fixedly connected with the cone basin, and the secondary membrane connects the cone basin and the skirt.

[0016] Further, the phase cone is provided with a surrounding edge arranged around the peripheral wall, and the bottom end of the surrounding edge is located above the skirt and fixedly connected with the secondary membrane.

[0017] Further, the central magnetic structure includes an upper magnetic steel, a central dust shield and a lower magnetic steel, the magnetic pole direction of the upper magnetic steel is opposite to that of the lower magnetic steel, the top surface of the upper magnetic steel is connected with the bottom surface of the top plate, and the lower magnetic steel is connected with the bottom plate.

[0018] Further, the bottom plate is provided with a support, and the lower magnetic steel is indirectly connected with the bottom plate through the support.

[0019] Further, a fastener is further included, and the central magnetic structure is fastened and connected with the bottom plate through the fastener.

[0020] The waterproof loudspeaker has the following beneficial effects: the waterproof loudspeaker has a novel structure, has an air flow channel connecting the outer surface of the phase cone and the magnetic gap, and the outer surface of the phase cone is further provided with a waterproof air-permeable membrane shielding the air flow channel, so that the inside and outside of the waterproof loudspeaker can exchange air through the air-permeable holes and isolate water vapor, the air pressure inside and outside the waterproof loudspeaker can be effectively balanced, the diaphragm assembly can quickly reset after the waterproof loudspeaker leaves the water surface and the surface moisture is dried, the risk of damage of the diaphragm assembly is reduced, and the service life of the waterproof loudspeaker is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a sectional view of the waterproof loudspeaker of the utility model embodiment one.

[0022] REFERENCE SIGNS:

[0023] 1, basin frame; 11, bottom plate; 12, top ring frame; 13, inclined arm;

[0024] 2, central magnetic structure; 21, upper magnetic steel; 22, central dust shield; 23, lower magnetic steel; 24, support;

[0025] 3, magnetic bowl; 31, top plate; 32, peripheral wall; 33, perforation; 34, skirt;

[0026] 4, phase cone; 41, air flow channel; 42, surrounding edge;

[0027] 5, waterproof and breathable membrane;

[0028] 6, diaphragm assembly; 61, cone pot; 62, sound film; 63, auxiliary film;

[0029] 7, voice coil;

[0030] 8, fastener;

[0031] 9, spring. DETAILED DESCRIPTION

[0032] In order to explain the technical content, the purpose and the effect of the utility model in detail, the following will be explained in combination with the embodiments and the drawings.

[0033] Please refer to Figure 1 A waterproof loudspeaker comprises:

[0034] A pot stand 1 comprises a bottom plate 11.

[0035] A center magnetic structure 2 is arranged on the bottom plate 11.

[0036] A magnetic bowl 3 comprises a top plate 31 and a peripheral wall 32 extending downwardly from the edge of the top plate 31, the top plate 31 is arranged on the top surface of the center magnetic structure 2, the magnetic gap is formed between the peripheral wall 32 and the center magnetic structure 2, and the top surface of the top plate 31 has a perforation 33 communicating with the magnetic gap.

[0037] A phase cone 4 is installed on the magnetic bowl 3, the phase cone 4 has an air flow channel 41 communicating with the perforation 33, and the air flow channel 41 communicates with the outer surface of the phase cone 4 to form a communication port.

[0038] A waterproof and breathable membrane 5 is arranged on the phase cone 4 and covers the communication port.

[0039] From the above description, the utility model has the beneficial effects that the waterproof loudspeaker has a novel structure, has an air flow channel communicating the outer surface of the phase cone 4 with the magnetic gap, and the outer surface of the phase cone 4 is further provided with the waterproof and breathable membrane 5 covering the air flow channel, so that the inside and outside of the waterproof loudspeaker can exchange air through the air hole and isolate water vapor, the air pressure inside and outside the waterproof loudspeaker can be effectively balanced, the diaphragm assembly 6 can quickly reset after the waterproof loudspeaker leaves the water surface and the surface moisture is dried, the risk of damage of the diaphragm assembly 6 is reduced, and the service life of the waterproof loudspeaker is prolonged.

[0040] Further, the outer surface of the phase cone 4 is provided with a receiving groove for accommodating the waterproof and breathable membrane 5.

[0041] As can be seen from the above description, the presence of the receiving groove facilitates the positioning and installation of the waterproof and breathable membrane 5, and at the same time, can reduce the risk of peeling of the waterproof and breathable membrane 5 to a certain extent.

[0042] Further, the depth of the receiving groove is greater than or equal to the thickness of the waterproof and breathable membrane 5.

[0043] As can be seen from the above description, the depth of the receiving groove is deeper, which can greatly reduce the risk of peeling of the waterproof and breathable membrane 5 due to impact.

[0044] Further, the number of the communication ports is multiple, and the multiple communication ports are uniformly distributed around the central axis of the phase cone 4.

[0045] As can be seen from the above description, the uniformly distributed multiple communication ports can better balance the air pressure inside and outside the waterproof loudspeaker, so that the vibration of the diaphragm assembly 6 is more balanced, and the polarization phenomenon is improved.

[0046] Further, the bottom of the phase cone 4 is provided with a mounting cavity, the upper region of the magnetic bowl 3 extends into the mounting cavity, and the inner surface of the mounting cavity and the magnetic bowl 3 jointly form the air flow channel 41.

[0047] As can be seen from the above description, the presence of the mounting cavity on the phase cone 4 not only facilitates the positioning and installation of the phase cone 4, but also facilitates the formation of the air flow channel 41.

[0048] Further, the bottom end of the peripheral wall 32 has an outwardly extending skirt 34, and further includes a diaphragm assembly 6 and a voice coil 7, the diaphragm assembly 6 includes a cone basin 61, a sound membrane 62 and a secondary membrane 63, the sound membrane 62 is arranged around the outer edge of the cone basin 61, the sound membrane 62 connects the cone basin 61 and the basket 1, the bottom of the cone basin 61 is provided with a window, the upper part of the voice coil 7 is arranged in the window and is fixedly connected with the cone basin 61, and the secondary membrane 63 connects the cone basin 61 and the skirt 34.

[0049] As can be seen from the above description, the presence of the skirt 34 facilitates the connection of the secondary membrane 63 and the center magnetic structure 2.

[0050] Further, the phase cone 4 has a surrounding edge 42 arranged around the peripheral wall 32, the bottom end of the surrounding edge 42 is located above the skirt 34 and is fixedly connected with the secondary membrane 63.

[0051] As can be seen from the above description, the top surface and the bottom surface of the inner edge of the secondary membrane 63 are fixed, which greatly reduces the risk of peeling of the secondary membrane 63.

[0052] Further, the center magnetic structure 2 comprises an upper magnetic steel 21, a center dust shield 22 and a lower magnetic steel 23, the magnetic pole direction of the upper magnetic steel 21 is opposite to that of the lower magnetic steel 23, the top surface of the upper magnetic steel 21 is connected to the bottom surface of the top plate 31, and the lower magnetic steel 23 is connected to the bottom plate 11.

[0053] As can be seen from the above description, the center magnetic structure 2 can provide a stronger magnetic field strength, so that the waterproof speaker has better acoustic performance.

[0054] Further, the bottom plate 11 is provided with a support 24, and the lower magnetic steel 23 is indirectly connected to the bottom plate 11 through the support 24.

[0055] As can be seen from the above description, the support 24 can lift the lower magnetic steel 23, thereby reducing the consumption of magnetic steel and improving the utilization rate of magnetic steel.

[0056] Further, the center magnetic structure 2 and the bottom plate 11 are fastened and connected through a fastener 8.

[0057] As can be seen from the above description, the center magnetic structure 2 and the basin frame 1 are not easy to separate, which is beneficial to ensure the structural stability of the waterproof speaker.

[0058] Embodiment one

[0059] Please refer to Figure 1 The utility model discloses an embodiment one of a waterproof speaker, including basin frame 1, center magnetic structure 2, magnetic bowl 3, phase cone 4 and waterproof air permeable membrane 5, the basin frame 1 includes bottom plate 11, top ring frame 12 and a plurality of inclined arms 13, the inclined arm 13 is connected top ring frame 12 with bottom plate 11, and the air permeable window is formed between two adjacent inclined arms 13;Center magnetic structure 2 is located on bottom plate 11;Magnetic bowl 3 includes top plate 31 and the circumferential wall 32 that is extended from the edge of top plate 31 downwardly bending, top plate 31 is located on the top surface of center magnetic structure 2, and the magnetic gap is formed between circumferential wall 32 and center magnetic structure 2, and the top surface of top plate 31 has the perforation 33 that communicates magnetic gap;Phase cone 4 is installed on magnetic bowl 3, and phase cone 4 has air flow channel 41 that communicates perforation 33, and air flow channel 41 communicates the outer surface of phase cone 4 to form the communicating port;Waterproof air permeable membrane 5 is located on phase cone 4 and shields communicating port.

[0060] In order to facilitate the positioning and installation of the waterproof air permeable membrane 5, the outer surface of the phase cone 4 is provided with a receiving groove for receiving the waterproof air permeable membrane 5, and preferably the depth of the receiving groove is greater than or equal to the thickness of the waterproof air permeable membrane 5. Of course, in actual products, the depth of the receiving groove can be less than the thickness of the waterproof air permeable membrane 5.

[0061] The number of the communication ports is multiple, the multiple communication ports are uniformly distributed around the central axis of the phase cone 4, accordingly, the number of the waterproof and breathable membranes 5 is also multiple, at this time, the communication ports and the waterproof and breathable membranes 5 are one-to-one corresponding. In this embodiment, the number of the communication ports is two, the two communication ports are coaxially arranged.

[0062] In order to facilitate the forming of the air flow channel 41, in this embodiment, the bottom of the phase cone 4 is provided with a mounting cavity, the upper region of the magnetic bowl 3 extends into the mounting cavity, and the inner surface of the mounting cavity and the magnetic bowl 3 jointly form the air flow channel 41. Specifically, the air flow channel 41 is located on the top surface of the top plate 31, or in other words, part of the top surface of the top plate 31 is a local area of the wall surface of the air flow channel 41.

[0063] The bottom end of the peripheral wall 32 has an outwardly extending skirt 34. The waterproof speaker further comprises a diaphragm assembly 6 and a voice coil 7. The diaphragm assembly 6 comprises a cone basin 61, a sound film 62, and a secondary film 63. The sound film 62 is arranged around the outer edge of the cone basin 61, and the sound film 62 connects the cone basin 61 and the basket 1. The bottom of the cone basin 61 is provided with a window, the upper part of the voice coil 7 is arranged in the window and is fixedly connected with the cone basin 61, the upper part of the voice coil 7 extends into the magnetic gap, and the secondary film 63 connects the cone basin 61 and the skirt 34. It is easy to understand that the connection between the cone basin 61 and the voice coil 7 is lower than the skirt 34, and the outer edge of the sound film 62 is connected with the top ring frame 12.

[0064] In order to facilitate the positioning and installation of the phase cone 4, and at the same time, improve the simplicity of the appearance of the waterproof speaker, in this embodiment, the phase cone 4 has a surrounding edge 42 arranged around the peripheral wall 32, the bottom end of the surrounding edge 42 is located above the skirt 34 and is fixedly connected with the secondary film 63.

[0065] The center magnetic structure 2 comprises an upper magnetic steel 21, a center dust cup 22, and a lower magnetic steel 23. The magnetic pole direction of the upper magnetic steel 21 is opposite to that of the lower magnetic steel 23. The top surface of the upper magnetic steel 21 is connected with the bottom surface of the top plate 31, and the lower magnetic steel 23 is connected with the bottom plate 11. In this embodiment, the bottom plate 11 is provided with a support 24, and the lower magnetic steel 23 is indirectly connected with the bottom plate 11 through the support 24.

[0066] Optionally, the waterproof speaker further comprises a fastener 8, the center magnetic structure 2 and the bottom plate 11 are fastened and connected through the fastener 8, and the fastener 8 can be a fastening screw or the like.

[0067] To improve the polarization phenomenon of the voice coil 7, the waterproof loudspeaker further comprises a spider 9 located below the diaphragm assembly 6, the spider 9 connecting the basket 1 and the voice coil 7.

[0068] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent transformation or direct or indirect application in the related technical field by using the content of the present application specification and drawings is also included in the patent protection range of the present application.

Claims

1. A waterproof speaker, characterized in that: include A basin frame, the basin frame comprising a bottom plate; a central magnetic structure, the central magnetic structure being disposed on the bottom plate; A magnetic bowl, the magnetic bowl comprising a top plate and a peripheral wall extending downwardly from an edge of the top plate, the top plate being disposed on a top surface of the central magnetic structure, a magnetic gap being formed between the peripheral wall and the central magnetic structure, and a through-hole communicating with the magnetic gap being formed on the top surface of the top plate; A phase cone is mounted on the magnetic bowl, the phase cone having an air flow channel connected to the through hole, the air flow channel being connected to the outer surface of the phase cone to form a communication port; A waterproof and breathable membrane is provided on the phase cone and covers the communication port.

2. The waterproof speaker according to claim 1, wherein: The outer surface of the phase cone is provided with a receiving groove for receiving the waterproof breathable membrane.

3. The waterproof speaker according to claim 2, characterized in that The depth of the receiving groove is greater than or equal to the thickness of the waterproof breathable membrane.

4. The waterproof speaker according to claim 1, wherein: There are multiple communication openings, and the multiple communication openings are evenly distributed around the central axis of the phase cone.

5. The waterproof speaker according to claim 1, wherein: A mounting cavity is provided at the bottom of the phase cone, the upper area of ​​the magnetic bowl extends into the mounting cavity, and the inner surface of the mounting cavity and the magnetic bowl are combined to form the air flow channel.

6. The waterproof speaker according to claim 5, characterized in that: The bottom end of the peripheral wall has a skirt extending outward, and also includes a diaphragm assembly and a voice coil. The diaphragm assembly includes a cone, a sound membrane and an auxiliary membrane. The sound membrane is arranged around the outer edge of the cone, the sound membrane connects the cone and the basin frame, and a window is provided at the bottom of the cone. The upper part of the voice coil is passed through the window and fixedly connected to the cone, and the auxiliary membrane connects the cone and the skirt.

7. The waterproof speaker according to claim 6, characterized in that: The phase cone has a surrounding edge arranged around the peripheral wall, and the bottom end of the surrounding edge is located above the skirt and fixedly connected to the auxiliary film.

8. The waterproof speaker according to claim 1, wherein: The central magnetic structure includes an upper magnetic steel, a central washer and a lower magnetic steel. The magnetic pole direction of the upper magnetic steel is opposite to the magnetic pole direction of the lower magnetic steel. The top surface of the upper magnetic steel is connected to the bottom surface of the top plate, and the lower magnetic steel is connected to the bottom plate.

9. The waterproof speaker according to claim 8, characterized in that: A support member is provided on the bottom plate, and the lower magnetic steel is indirectly connected to the bottom plate through the support member.

10. The waterproof speaker according to claim 1, wherein It also includes a fastener, and the central magnetic structure and the base plate are fastened together by the fastener.

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