CN212628395U - A speaker magnetic circuit device and speaker that is used for high-efficient heat dissipation of intelligent audio amplifier - Google Patents

A speaker magnetic circuit device and speaker that is used for high-efficient heat dissipation of intelligent audio amplifier Download PDF

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CN212628395U
CN212628395U CN202021068380.XU CN202021068380U CN212628395U CN 212628395 U CN212628395 U CN 212628395U CN 202021068380 U CN202021068380 U CN 202021068380U CN 212628395 U CN212628395 U CN 212628395U
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magnetic circuit
circuit device
heat dissipation
speaker
yoke
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王义炉
李本松
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Jiangxi Taide Intelligence Technology Co Ltd
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Jiangxi Taide Intelligence Technology Co Ltd
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Abstract

The utility model discloses a speaker magnetic circuit device and speaker that is used for high-efficient heat dissipation of intelligent audio amplifier, the device include magnet, china department and yoke, the yoke is formed with first holding chamber, magnet and china department set up in first holding chamber, its characterized in that still includes the radiator; the radiator is formed with the second and holds the chamber, the yoke sets up in the second holds the intracavity. The utility model provides a pair of a high-efficient radiating speaker magnetic circuit device and speaker for intelligent audio amplifier just increases one through the periphery at magnet and between china department and yoke and does benefit to radiating radiator for heat in the magnetic circuit can outwards give off better, has guaranteed the stability of speaker characteristic, has simple structure, and convenient assembling's advantage is suitable for the scope and popularizes and applies.

Description

A speaker magnetic circuit device and speaker that is used for high-efficient heat dissipation of intelligent audio amplifier
Technical Field
The embodiment of the utility model provides a relate to speaker technical field, especially relate to a high-efficient radiating speaker magnetic circuit device and speaker for intelligent audio amplifier.
Background
Loudspeakers, also known as "horns", are commonly used electroacoustic transducers for converting electrical energy into acoustic energy, which play an essential role in sound reproduction systems. The loudspeaker is the weakest component in the sound reproduction system, and is the most important component for the sound reproduction effect. The loudspeaker has various types, and audio electric energy enables a cone or a diaphragm to vibrate and generate resonance with surrounding air to make sound through electromagnetic, piezoelectric or electrostatic effects. Therefore, people can hear wonderful sound just with the appearance of the loudspeaker.
At present, the main material of the strong magnet used for the loudspeaker on the market is neodymium iron boron. Because the common neodymium iron boron has the defect of low temperature resistance, and the price of the neodymium iron boron with high temperature resistance is very expensive, the common neodymium iron boron is mostly adopted by the existing loudspeaker under the condition of comprehensively considering the cost price factor. This directly leads to an unavoidable problem, when the high-power long-term use of speaker, can save a large amount of heats in the magnetic circuit of speaker for the characteristic of ordinary neodymium iron boron changes because of the temperature toleration is not good, leads to the intensity weak of speaker magnetic circuit, thereby influences the characteristic of speaker, and serious even burns out the voice coil, has shortened the life of speaker.
Therefore, it is desirable to provide a solution for solving the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-efficient radiating speaker magnetic circuit device and speaker for intelligent audio amplifier to solve the not enough of prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
in a first aspect, an embodiment of the present invention provides a speaker magnetic circuit device with high heat dissipation efficiency for an intelligent sound box, including a yoke, a magnet, a washer and a heat sink, wherein the center of the magnet and the washer are both provided with a through hole, the center of the yoke is provided with a stud corresponding to the through hole, and the magnet and the washer are sleeved on the stud;
the radiator is of a hollow structure;
the radiator is arranged on the periphery of the magnet and between the washer and the yoke.
Furthermore, in the loudspeaker magnetic circuit device for efficient heat dissipation of the intelligent sound box, a first sinking groove is formed in one surface, in contact with the heat sink, of the yoke, and a second sinking groove is formed in one surface, in contact with the heat sink, of the washer;
the radiator is clamped in the first sinking groove and the second sinking groove.
Furthermore, in the loudspeaker magnetic circuit device for efficient heat dissipation of the intelligent sound box, counter bores are formed in the first sinking groove and the second sinking groove, and tapping holes are formed in the position, corresponding to the counter bores, of the heat radiator;
the counter bore and the tapping hole are connected through a screw, so that the radiator is fixed with the washer and the yoke iron.
Further, in the loudspeaker magnetic circuit device for efficient heat dissipation of the intelligent sound box, the heat radiator is fixedly clamped in the first sinking groove and the second sinking groove through glue.
Further, in the loudspeaker magnetic circuit device for efficient heat dissipation of the intelligent sound box, the heat dissipation hole is formed in the heat sink.
Further, in the speaker magnetic circuit device for efficient heat dissipation of the smart sound box, the heat dissipation holes are uniformly distributed on the side wall of the heat sink.
Further, in the speaker magnetic circuit device for efficient heat dissipation of the smart sound box, the heat dissipation holes are circular, oval, semicircular, triangular or polygonal.
Further, in the loudspeaker magnetic circuit device for efficient heat dissipation of the intelligent sound box, the magnet is a neodymium iron boron magnet.
Further, in the loudspeaker magnetic circuit device for efficient heat dissipation of the intelligent sound box, the heat radiator is an aluminum heat radiator.
In a second aspect, an embodiment of the present invention provides a speaker, including a magnetic circuit device, the magnetic circuit device is the speaker magnetic circuit device for efficient heat dissipation of an intelligent speaker as in the first aspect.
The embodiment of the utility model provides a pair of a high-efficient radiating speaker magnetic circuit device and speaker for intelligent audio amplifier through the periphery at magnet and increase one between china and yoke and do benefit to radiating radiator for heat in the magnetic circuit can outwards give off better, has guaranteed the stability of speaker characteristic, has simple structure, and convenient assembling's advantage is suitable for the scope and popularizes and applies.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a conventional magnetic circuit device for a loudspeaker;
fig. 2 is a schematic structural diagram of a speaker magnetic circuit device for efficient heat dissipation of an intelligent speaker according to an embodiment of the present invention.
Reference numerals:
yoke 1, magnet 2, china department 3, through-hole 4, abrupt post 5, radiator 6, louvre 7.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the device or element referred to must have the specific orientation, operate in the specific orientation configuration, and thus, should not be construed as limiting the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example one
Referring to fig. 1, a conventional magnetic circuit device for a speaker includes a yoke 1, a magnet 2 and a washer 3, wherein through holes 4 are formed in centers of the magnet 2 and the washer 3, a stud 5 corresponding to the through hole 4 is disposed in the center of the yoke 1, and the magnet 2 and the washer 3 are sleeved on the stud 5. In order to solve the problem of poor heat dissipation, the embodiment provides a speaker magnetic circuit device for efficient heat dissipation of an intelligent sound box, and the device is further provided with a heat radiator 6 on the basis of the prior art;
the radiator 6 is of a hollow structure;
the heat radiator 6 is arranged on the periphery of the magnet 2 and between the washer 3 and the yoke 1.
Wherein, magnet 2 can be ordinary neodymium iron boron magnet or high temperature resistant neodymium iron boron magnet.
The radiator 6 is an aluminum radiator with good comprehensive heat transfer and heat dissipation capacity.
Preferably, in the magnetic circuit device for a speaker with high heat dissipation efficiency for an intelligent sound box, a first sinking groove is formed in a surface (i.e., an upper surface of the yoke 1) of the yoke 1, which is in contact with the heat sink 6, and a second sinking groove is formed in a surface (i.e., a lower surface of the washer 3) of the washer 3, which is in contact with the heat sink 6;
the radiator 6 is clamped in the first sinking groove and the second sinking groove.
In the present embodiment, the fixing manner of the heat sink 6 to the washer 3 and the yoke 1 includes, but is not limited to, the following two embodiments:
the first embodiment is directed to a large magnetic circuit device, wherein counterbores are formed in the first sinking groove and the second sinking groove, and tapping holes are formed in the heat sink 6 at positions corresponding to the counterbores;
the counter bore and the tapping hole are connected through a screw, so that the heat sink 6 is fixed with the washer 3 and the yoke 1.
The second embodiment is directed to a small magnetic circuit device, and the heat sink 6 is fixedly clamped in the first sinking groove and the second sinking groove by glue.
Illustratively, the glue is AB glue.
In order to better dissipate heat, in the present embodiment, the heat sink 6 is provided with heat dissipating holes 7.
Specifically, the heat dissipation holes 7 are uniformly distributed on the side wall of the heat sink 6. The shape of the heat dissipation hole 7 is not limited, and may be any of a circle, an ellipse, a semicircle, a triangle, or a polygon.
It should be noted that although terms such as yoke, magnet, washer, heat sink, stud, sink, counterbore, tapping hole, etc. are used more often in this embodiment, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
The embodiment of the utility model provides a pair of a high-efficient radiating speaker magnetic circuit device for intelligent audio amplifier does benefit to radiating radiator through the periphery at magnet and increase one between china department and yoke for heat in the magnetic circuit can outwards give off better, has guaranteed the stability of speaker characteristic, has simple structure, and convenient assembling's advantage is suitable for the scope and popularizes and applies.
Example two
An embodiment of the present invention provides a speaker, including magnetic circuit device, magnetic circuit device is as embodiment one a speaker magnetic circuit device for intelligent audio amplifier's high-efficient heat dissipation.
The embodiment of the utility model provides a pair of loudspeaker does benefit to radiating radiator through the periphery at magnet and increase one between china department and yoke for heat in the magnetic circuit can outwards give off better, has guaranteed the stability of loudspeaker characteristic, has simple structure, and convenient assembling's advantage is suitable for the scope and popularizes and applies.
The foregoing description of the embodiments has been presented for the purposes of illustration and description. It is not intended to be exhaustive or to limit the disclosure. Individual elements or features of a particular embodiment are generally not limited to that particular embodiment, but, where applicable, are interchangeable and can be used in a selected embodiment, even if not specifically shown or described. The same elements or features may also vary in many respects. Such variations are not to be regarded as a departure from the disclosure, and all such modifications are intended to be included within the scope of the disclosure.
Example embodiments are provided so that this disclosure will be thorough and will fully convey the scope to those skilled in the art. Numerous details are set forth, such as examples of specific parts, devices, and methods, in order to provide a thorough understanding of embodiments of the present disclosure. It will be apparent to those skilled in the art that specific details need not be employed, that example embodiments may be embodied in many different forms and that neither should be construed to limit the scope of the disclosure. In certain example embodiments, well-known processes, well-known device structures, and well-known technologies are not described in detail.
The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises" and "comprising" are intended to be inclusive and therefore specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed and illustrated, unless explicitly indicated as an order of performance. It should also be understood that additional or alternative steps may be employed.
When an element or layer is referred to as being "on" … … "," engaged with "… …", "connected to" or "coupled to" another element or layer, it can be directly on, engaged with, connected to or coupled to the other element or layer, or intervening elements or layers may also be present. In contrast, when an element or layer is referred to as being "directly on … …," "directly engaged with … …," "directly connected to" or "directly coupled to" another element or layer, there may be no intervening elements or layers present. Other words used to describe the relationship of elements should be interpreted in a similar manner (e.g., "between … …" and "directly between … …", "adjacent" and "directly adjacent", etc.). As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region or section from another element, component, region or section. Unless clearly indicated by the context, use of terms such as the terms "first," "second," and other numerical values herein does not imply a sequence or order. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
Spatially relative terms, such as "inner," "outer," "below," "… …," "lower," "above," "upper," and the like, may be used herein for ease of description to describe a relationship between one element or feature and one or more other elements or features as illustrated in the figures. Spatially relative terms may be intended to encompass different orientations of the device in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the example term "below … …" can encompass both an orientation of facing upward and downward. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted.

Claims (10)

1. A speaker magnetic circuit device for efficient heat dissipation of an intelligent sound box comprises a yoke, a magnet and a washer, wherein through holes are formed in the centers of the magnet and the washer, a protruding column corresponding to the through holes is arranged in the center of the yoke, and the magnet and the washer are sleeved on the protruding column;
the radiator is of a hollow structure;
the radiator is arranged on the periphery of the magnet and between the washer and the yoke.
2. The magnetic circuit device for the high-efficiency heat dissipation loudspeaker of the intelligent sound box according to claim 1, wherein a first sinking groove is formed on one surface of the yoke iron, which is in contact with the heat sink, and a second sinking groove is formed on one surface of the washer, which is in contact with the heat sink;
the radiator is clamped in the first sinking groove and the second sinking groove.
3. The loudspeaker magnetic circuit device for the efficient heat dissipation of the intelligent sound box according to claim 2, wherein counter bores are formed in the first sinking groove and the second sinking groove, and tapping holes are formed in the heat sink at positions corresponding to the counter bores;
the counter bore and the tapping hole are connected through a screw, so that the radiator is fixed with the washer and the yoke iron.
4. The speaker magnetic circuit device for efficient heat dissipation of smart enclosures as recited in claim 2, wherein said heat sink is secured within said first and second sinks by glue.
5. The magnetic circuit device of claim 1, wherein the heat sink has heat dissipation holes.
6. The magnetic circuit device for the speaker with high heat dissipation efficiency of the smart sound box as claimed in claim 5, wherein the heat dissipation holes are opened on the side wall of the heat sink in a uniformly distributed manner.
7. The speaker magnetic circuit device for efficient heat dissipation of smart sound box according to claim 6, wherein the heat dissipation hole is circular, elliptical, semicircular or polygonal in shape.
8. The loudspeaker magnetic circuit device for efficient heat dissipation of smart enclosures as recited in claim 1, wherein said magnets are neodymium iron boron magnets.
9. The loudspeaker magnetic circuit device for efficient heat dissipation of smart enclosures as recited in claim 1, wherein said heat sink is an aluminum heat sink.
10. A loudspeaker comprising a magnetic circuit device, wherein the magnetic circuit device is the loudspeaker magnetic circuit device for efficient heat dissipation of a smart sound box according to any one of claims 1 to 9.
CN202021068380.XU 2020-06-11 2020-06-11 A speaker magnetic circuit device and speaker that is used for high-efficient heat dissipation of intelligent audio amplifier Active CN212628395U (en)

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CN202021068380.XU CN212628395U (en) 2020-06-11 2020-06-11 A speaker magnetic circuit device and speaker that is used for high-efficient heat dissipation of intelligent audio amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021068380.XU CN212628395U (en) 2020-06-11 2020-06-11 A speaker magnetic circuit device and speaker that is used for high-efficient heat dissipation of intelligent audio amplifier

Publications (1)

Publication Number Publication Date
CN212628395U true CN212628395U (en) 2021-02-26

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