High-efficiency heat dissipation vibration loudspeaker

Abstract

The utility model discloses a high-efficiency heat dissipation vibration horn, which comprises an upper cover and a lower cover, the upper cover and the lower cover are hollow structures with one closed end and the other open end, the open end of the upper cover and the open end of the lower cover are connected to form a cavity inside the upper cover and the lower cover, a voice coil is arranged below the upper cover in the cavity, and U iron is arranged below the voice coil in the cavity. The lower end of the voice coil extends into the U-shaped iron, a magnet is arranged in the U-shaped iron, a bearing is arranged in the magnet in a penetrating mode, the two ends of the bearing penetrate out of the U-shaped iron, and the two ends of the bearing are connected with the upper cover and the lower cover respectively. When the loudspeaker works, heat generated by the voice coil can be quickly dissipated to the surrounding environment, and the aluminum alloy has good corrosion resistance and is not easy to age, so that the service life of the loudspeaker is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a loudspeaker technical field especially is related to a high -efficient heat dissipation vibration loudspeaker. BACKGROUND

[0002] The vibration loudspeaker has the advantages of small size, light weight and wide frequency response, and is widely used in electronic devices. The heat dissipation mode of the traditional loudspeaker mainly relies on natural heat dissipation, that is, heat is dissipated through air convection. However, this heat dissipation mode is low in efficiency, especially when the loudspeaker works for a long time at high power, the temperature of the voice coil will rise rapidly, which may cause deformation and burning of the voice coil, seriously affecting the normal use of the loudspeaker. In addition, the vibration amplitude of the traditional loudspeaker is limited, and it is difficult to produce strong enough vibration to transmit to the surrounding environment. SUMMARY

[0003] The utility model overcomes the above-mentioned situation, and aims at providing a technical scheme which can solve the above-mentioned problems.

[0004] A kind of high -efficient heat dissipation vibration loudspeaker, including upper cover and lower cover, upper cover and lower cover are hollow structure with one end closed, the other end opening, the opening end of upper cover is connected with the opening end of lower cover to form cavity in the inside of two, the voice coil is arranged in the cavity below upper cover, U iron is arranged in the cavity below voice coil, the lower end of voice coil extends into U iron, magnet is arranged in U iron, bearing is arranged in magnet, the both ends of bearing are drawn out from U iron, and the both ends of bearing are connected with upper cover and lower cover respectively, the both ends of bearing are respectively provided with first elastic sheet and second elastic sheet, first elastic sheet is located above magnet, second elastic sheet is located below U iron, magnet and first elastic sheet are provided with Hu Si, bearing, upper cover and lower cover are made of aluminum alloy material.

[0005] As a further scheme of the utility model: the outer periphery of upper cover is provided with a plurality of heat dissipation ribs.

[0006] As a further scheme of the utility model: the outer periphery of upper cover is provided with first ear plate, the outer periphery of lower cover is provided with second ear plate, first ear plate and second ear plate are connected by screw.

[0007] As a further scheme of the utility model: the end face of upper cover and lower cover is provided with a plurality of ventilation holes, and the plurality of ventilation holes are arranged in a ring shape.

[0008] As a further scheme of the utility model: the middle part of the end face of upper cover and lower cover is provided with fixing hole, the inner side of upper cover and lower cover is provided with fixing convex ring, the fixing convex ring is concentrically arranged with the fixing hole, the first elastic sheet and the second elastic sheet are provided with through hole, the both ends of bearing are provided with reduced diameter section, and the reduced diameter section passes through the through hole and extends into the fixing convex ring.

[0009] As a further scheme of the utility model: the opening end of the upper cover is equipped with an inner annular flange, the opening end of the lower cover is equipped with an outer annular flange, and the inner annular flange is inserted into the outer annular flange.

[0010] As a further scheme of the utility model: the diameter of the voice coil is greater than the diameter of the magnet, and the diameter of the voice coil is 70-75mm.

[0011] As a further scheme of the utility model: the thickness of the U-shaped iron is 2-3mm.

[0012] As a further scheme of the utility model: the thickness of the magnet is 3-5mm.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、 the bearing, the upper cover and the lower cover are all made of aluminum alloy material, the aluminum alloy has excellent heat conduction performance, can quickly dissipate the heat generated by the voice coil to the surrounding environment when the loudspeaker works, and the aluminum alloy has good corrosion resistance and is not easy to age, thereby prolonging the service life of the loudspeaker.

[0015] 2、 the diameter of the voice coil is 70-75mm, which can improve the vibration effect of the loudspeaker and improve the use experience, and the large-diameter voice coil is more conducive to heat dissipation.

[0016] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be known by the practice of the utility model. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0018] Fig. 1 It is the structure schematic view of the utility model.

[0019] Fig. 2 It is another structure schematic view of the utility model.

[0020] Fig. 3 It is the cross-sectional structure schematic view of the utility model.

[0021] In the figure: 1, the upper cover, 2, the lower cover, 3, the voice coil, 4, the U iron, 5, the magnet, 6, the bearing, 7, the first elastic sheet, 8, the second elastic sheet, 9, the horn, 11, the heat dissipation convex rib, 12, the first ear plate, 13, the vent hole, 14, the fixing hole, 15, the fixing convex ring, 16, the inner annular flange, 21, the second ear plate, 22, the outer annular flange, 61, the reduced diameter section, 71, the through hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figs. 1-3 In the embodiments of the utility model, a high-efficiency heat dissipation vibration loudspeaker comprises an upper cover 1 and a lower cover 2, the upper cover 1 and the lower cover 2 are both hollow structures with one end closed and the other end open, the open end of the upper cover 1 is connected with the open end of the lower cover 2 to form a cavity inside them, a voice coil 3 is arranged below the upper cover 1 in the cavity, a U iron 4 is arranged below the voice coil 3 in the cavity, the lower end of the voice coil 3 extends into the U iron 4, a magnet 5 is arranged in the U iron 4, a bearing 6 is arranged in the magnet 5, the two ends of the bearing 6 extend out of the U iron 4, and the two ends of the bearing 6 are connected with the upper cover 1 and the lower cover 2 respectively, the two ends of the bearing 6 are respectively provided with a first elastic sheet 7 and a second elastic sheet 8, the first elastic sheet 7 is arranged above the magnet 5, the second elastic sheet 8 is arranged below the U iron 4, a horn 9 is arranged between the magnet 5 and the first elastic sheet 7, and the bearing 6, the upper cover 1 and the lower cover 2 are all made of aluminum alloy. When an audio signal passes through the voice coil 3, an alternating magnetic field is generated in the voice coil 3, so that the U iron 4 and the magnet 5 are magnetically cut and move with the change of the audio signal, thereby making the vibration loudspeaker vibrate. The bearing 6, the upper cover 1 and the lower cover 2 of the utility model are all made of aluminum alloy, the aluminum alloy has excellent heat conduction performance, can quickly dissipate the heat generated by the voice coil 3 to the surrounding environment when the loudspeaker works, and has good corrosion resistance and is not easy to age, thereby prolonging the service life of the loudspeaker.

[0024] The outer periphery of the upper cover 1 is provided with a plurality of heat dissipation convex ribs 11. Adjacent two heat dissipation convex ribs 11 can form a flow guide groove, when the loudspeaker is installed on the equipment, the side of the upper cover 1 adhering to the equipment will be reserved with a plurality of gaps for air circulation, which can better dissipate the heat generated when the loudspeaker works.

[0025] The outer periphery of the upper cover 1 is provided with a first lug 12, the outer periphery of the lower cover 2 is provided with a second lug 21, and the first lug 12 is connected with the second lug 21 through a screw. The upper cover 1 and the lower cover 2 are connected through a screw, so that the assembly is stable and easy to assemble.

[0026] A plurality of ventilation holes 13 are arranged on the end faces of the upper cover 1 and the lower cover 2, and the plurality of ventilation holes 13 are arranged in a ring array. The heat generated during the operation of the loudspeaker can be dissipated to the surrounding environment through the ventilation holes 13, so that the heat dissipation effect is further improved.

[0027] In order to improve the connection tightness between the upper cover 1, the lower cover 2, the bearing 6, the first elastic sheet 7 and the second elastic sheet 8, a fixing hole 14 is arranged in the middle of the end face of the upper cover 1 and the lower cover 2, a fixing lug 15 is arranged on the inner side of the upper cover 1 and the lower cover 2, the fixing lug 15 is arranged concentrically with the fixing hole 14, a through hole 71 is arranged on the first elastic sheet 7 and the second elastic sheet 8, and a reduced diameter section 61 is arranged at both ends of the bearing 6, and the reduced diameter section 61 extends into the fixing lug 15 through the through hole 71.

[0028] In order to improve the sealing between the upper cover 1 and the lower cover 2, an inner annular flange 16 is arranged at the opening end of the upper cover 1, an outer annular flange 22 is arranged at the opening end of the lower cover 2, and the inner annular flange 16 is inserted into the outer annular flange 22.

[0029] The diameter of the voice coil 3 is greater than the diameter of the magnet 5, the diameter of the voice coil 3 is 70-75 mm, and preferably, the diameter of the voice coil 3 is 75 mm. The greater the diameter of the voice coil 3, the greater the magnetic field strength generated by the voice coil 3. When the stronger magnetic field interacts with the U-shaped iron 4 and the magnet 5, a greater electromagnetic driving force is generated, so that the vibration effect of the loudspeaker is improved, the use experience is improved, and the surface area of the voice coil 3 with a larger diameter is relatively large. The larger surface area is conducive to heat dissipation.

[0030] The thickness of the U-shaped iron 4 is 2-3 mm. The thickness of the magnet 5 is 3-5 mm. Higher quality Hua Si 9 and U-shaped iron 4 are used, and the vibration force is stronger.

[0031] It is obvious for those skilled in the art that the present application 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 essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

Claims

1. A high efficiency heat dissipating vibration horn, characterized by, The loudspeaker comprises an upper cover and a lower cover, both of which are hollow structures with one end closed and the other end open. The open end of the upper cover is connected with the open end of the lower cover to form a cavity inside. A voice coil is arranged below the upper cover in the cavity. A U-shaped iron is arranged below the voice coil in the cavity. The lower end of the voice coil extends into the U-shaped iron. A magnet is arranged in the U-shaped iron. A bearing is arranged in the magnet. The two ends of the bearing extend out of the U-shaped iron and are connected with the upper cover and the lower cover respectively. The two ends of the bearing are respectively provided with a first elastic sheet and a second elastic sheet. The first elastic sheet is arranged above the magnet, and the second elastic sheet is arranged below the U-shaped iron. A dust shield is arranged between the magnet and the first elastic sheet. The bearing, the upper cover and the lower cover are all made of aluminum alloy.

2. The high efficiency heat dissipating vibration horn according to claim 1, wherein: The outer periphery of the upper cover is provided with a plurality of heat dissipation ribs.

3. The high efficiency heat dissipating vibration horn of claim 1, wherein: The outer periphery of the upper cover is provided with a first ear plate, and the outer periphery of the lower cover is provided with a second ear plate. The first ear plate and the second ear plate are connected by screws.

4. The high efficiency heat dissipating vibration horn of claim 1, wherein: A plurality of ventilation holes are arranged on the end faces of the upper cover and the lower cover, and the ventilation holes are arranged in a ring array.

5. The high efficiency heat dissipating vibration horn of claim 1, wherein: A fixing hole is arranged in the middle of the end face of the upper cover and the lower cover. A fixing protrusion is arranged on the inner side of the upper cover and the lower cover. The fixing protrusion is arranged concentrically with the fixing hole. A through hole is arranged on the first elastic sheet and the second elastic sheet. A reduced diameter section is arranged on the two ends of the bearing, and the reduced diameter section extends into the fixing protrusion through the through hole.

6. The high efficiency heat dissipating vibration horn of claim 1, wherein: The open end of the upper cover is provided with an inner annular flange, and the open end of the lower cover is provided with an outer annular flange. The inner annular flange is inserted into the outer annular flange.

7. The high efficiency heat dissipating vibration horn of claim 1, wherein: The diameter of the voice coil is greater than the diameter of the magnet, and the diameter of the voice coil is 70-75 mm.

8. The high efficiency heat dissipating vibration horn of claim 1, wherein: The thickness of the U-shaped iron is 2-3 mm.

9. The high efficiency heat dissipating vibration horn of claim 1, wherein: The thickness of the magnet is 3-5 mm.

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