CN205883555U

CN205883555U - Magnetism system

Info

Publication number: CN205883555U
Application number: CN201620683421.3U
Authority: CN
Inventors: 江家苇
Original assignee: Guangzhou Yue Sound Equipment Co Ltd
Current assignee: Guangzhou Yue Sound Equipment Co Ltd
Priority date: 2016-06-29
Filing date: 2016-06-29
Publication date: 2017-01-11
Anticipated expiration: 2026-06-29

Abstract

The utility model discloses a magnetism system, its round permanent magnet and T shape iron that includes base, equal diameter, wherein, the base is round -meshed ring shape, round permanent magnet evenly distributed is in on the base, T shape iron is located in the round hole of base. The utility model provides a magnetism system has improved tone quality through the mode of round permanent magnet evenly distributed on the base with a plurality of equal diameters, has reduced the volume of permanent magnet, and compares the mode that the permanent magnet was used to the prior art monoblock, has alleviateed the weight and the cost of loudspeaker.

Description

Magnetism system

Technical field

This utility model relates to stereo set field, particularly relates to a kind of magnetism system.

Background technology

It is known that loudspeaker are the interactions of the magnet by being disposed therein and electric current, cone is driven to shake back and forth And produce sound equipment.The power of the magnet in loudspeaker, directly affects tonequality and the efficiency of loudspeaker.And current, the magnetism system of loudspeaker System is all to use the ferrite of monoblock or neodymium iron boron as permanent magnet.Ferrite, due to inefficient, can affect the sound of loudspeaker Matter.And although neodymium iron boron efficiency and power are the highest, it is possible to meeting tonequality requirement, but price comparison is high, monoblock use can increase Add the cost of loudspeaker.Further, the ferrite of use monoblock and neodymium iron boron, as permanent magnet, can increase the weight of loudspeaker, it has not been convenient to Carry and move.

Utility model content

According to an aspect of the present utility model, it is provided that a kind of magnetism system, to solve at least one of the problems referred to above. This magnetism system includes base, isodiametric circular permanent magnet and T-shaped ferrum, and wherein, described base is round-meshed annular, Described circular permanent magnet is evenly distributed on described base, and described T-shaped ferrum is located in the circular hole of described base.

The magnetism system that this utility model provides is by being evenly distributed on multiple isodiametric circular permanent magnets on base Mode, improve tonequality, decrease the amount of permanent magnet, and monoblock uses the mode of permanent magnet compared to existing technology, alleviates The weight of loudspeaker and cost.

In some embodiments, described circular permanent magnet is Nd-Fe-B permanent magnet.Thus, can reach improve power and The purpose of efficiency, the neodymium iron boron amount of use is the most fewer, effectively can improve the overall weight alleviating loudspeaker on the basis of tonequality Amount and cost.

In some embodiments, the quantity of described Nd-Fe-B permanent magnet is 11.Thus, Nd-Fe-B permanent magnet is permissible It is evenly distributed on annular base, is conducive to promoting the tonequality of loudspeaker.

In some embodiments, the T ferrum portion of described T-shaped ferrum is coated with one layer of copper film.Thus, copper film and permanent magnetism can be made Body contacts, and improves magnetize efficiency and tone quality of horn.

Accompanying drawing explanation

Fig. 1 is the structural representation of the magnetism system of a kind of embodiment of this utility model；

Fig. 2 is the structural representation of the permanent magnet in the magnetism system shown in Fig. 1；

Fig. 3 is the structural representation of the T-shaped ferrum in the magnetism system shown in Fig. 1.

Detailed description of the invention

Below in conjunction with the accompanying drawings embodiment of the present utility model is described in detail.

Fig. 1 to Fig. 3 show schematically show the magnetism system according to a kind of embodiment of the present utility model.

As it is shown in figure 1, the magnetism system in the present embodiment includes multiple circular permanent magnets 33 that base 32, size are identical (it can also be provided that cylindrical or disc, its height can be arranged as required to) and T-shaped ferrum 31.Wherein, permanent magnet 33 is arranged For to the identical multiple circular permanent magnets 33 of size, monoblock in prior art can be avoided to use the bad of permanent magnet.Such as Fig. 2 institute Showing, base 32 is the annular with circular hole 320, and circular permanent magnet 33 is evenly distributed on base 32, wherein, and the circle on base Hole 320 is mated with T ferrum portion 4 (as shown in Figure 3) size of T-shaped ferrum 31, and T-shaped ferrum 31 is located in the circular hole 320 of base 32, thus shape The magnetism system of cost implementation.By the permanent magnet of monoblock being divided into multiple circular permanent magnets that size is identical, and make it It is evenly distributed on base, can effectively reduce cost and the weight of loudspeaker, and improve tonequality.

Wherein, the permanent magnet in this utility model can be Nd-Fe-B permanent magnet, it is also possible to be ferrite permanent magnet, preferably For Nd-Fe-B permanent magnet.In embodiment as shown in Figure 2, circular permanent magnet 33 is contour isodiametric disc neodymium iron boron forever Magnet, its quantity is 11.By identical multiple Nd-Fe-B permanent magnets are uniformly arranged on base 32, it is possible to promote sound Matter.And the quantity of Nd-Fe-B permanent magnet is when being 11, can at utmost realize being uniformly distributed of neodymium iron boron, thus maximum limit Degree ground promotes tonequality, and reduces cost.

Preferably, it is also possible in the T ferrum portion 4 of T-shaped ferrum 31, cover one layer of copper film.Thus, it is possible to by the metal of copper film Attribute so that it is be when neodymium iron boron interacts, promotes the power and efficiency magnetized.

Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, On the premise of creating design without departing from this utility model, it is also possible to making some deformation and improvement, these broadly fall into this practicality Novel protection domain.

Claims

1. magnetism system, it is characterised in that include base (32), isodiametric circular permanent magnet (33) and T-shaped ferrum (31), its In, described base (32) is the annular with circular hole (320), and described circular permanent magnet (33) is evenly distributed on described base (32), on, described T-shaped ferrum (31) is located in the circular hole (320) of described base (32).

Magnetism system the most according to claim 1, it is characterised in that described circular permanent magnet (33) is Nd-Fe-B permanent magnetic Body.

Magnetism system the most according to claim 2, it is characterised in that the quantity of described Nd-Fe-B permanent magnet is 11.

4. according to the magnetism system described in any one of claims 1 to 3, it is characterised in that the T ferrum portion (4) of described T-shaped ferrum (31) On be coated with one layer of copper film.