CN210274523U

CN210274523U - Loudspeaker and rotor assembly thereof

Info

Publication number: CN210274523U
Application number: CN201921697571.XU
Authority: CN
Inventors: 章启策
Original assignee: CHONGQING LINGLONG ELECTRONIC CO LTD
Current assignee: CHONGQING LINGLONG ELECTRONIC CO LTD
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-04-07
Anticipated expiration: 2029-10-11

Abstract

The utility model relates to a speaker and active cell subassembly thereof belongs to speaker, microphone field. The rotor component comprises a coil, a bracket, a reed and a positioning block; the support is arranged at the center of the coil and fixedly connected with the coil into a whole, the reed is sleeved on the boss of the support through the through hole on the reed and connected with the support into a whole, and the positioning block is arranged above the reed and fixedly connected with the boss into a whole. The reed in the rotor assembly is made of metal materials, the rotor assembly is driven to vibrate through the reed, a conventional plastic sound film can be replaced, and the consistency and reliability of products are improved. The speaker includes active cell subassembly and stator module, and this speaker drives the metal reed through the coil in the active cell subassembly and the permanent magnet interact in the stator module and produces the vibration, and then produces sound, and this speaker need not to fill in the ear, can not bring ear fatigue, can not block yet that the ear accepts external sound, can stop the ear because of wearing the damage that closed earphone brought for a long time.

Description

Loudspeaker and rotor assembly thereof

Technical Field

The utility model belongs to speaker, microphone field, concretely relates to speaker and active cell subassembly thereof.

Background

The conventional loudspeaker mainly uses the coil and the magnet to interact to drive the sound film to vibrate, so as to generate sound, and has the following main disadvantages:

1. the sound film is a plastic film, so that the operation is not easy in the production process, and the sound film is easy to damage, thereby causing the product to be poor;

2. the earphone needs to be plugged into the ear to hear the sound, and potential safety hazards exist in specific occasions, and if the earphone is worn in the ear to cut off external sound during riding, the road condition cannot be accurately judged, so that the potential safety hazards are brought;

3. the closed applicable environment has great oppression feeling to ears, can bring ear fatigue after long-time use, has damage to ear membranes, and even leads to the deafness of ears under the severe condition.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide a speaker and a mover assembly thereof, which need not to be plugged into an ear, and only need to be attached to a bone position near the ear to realize sound conduction by bone conduction.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a rotor assembly comprises a coil, a support, a reed and a positioning block; the reed is of a circular plate structure, a through hole and a through groove are formed in the surface of the circular plate, the through hole is located in the center of the reed, the through groove is a curved groove, and a plurality of through grooves are arranged in an inserting mode and circumferentially surround the through hole; the coil is annular, and the support setting is in coil center department and links firmly integratively with the coil, has the boss that is used for cartridge location reed on the support, and the reed links integratively with the support through the boss suit of through-hole on the support, and the locating piece setting is in the reed top and links firmly integratively with the boss that passes the reed through-hole.

Furthermore, the outer diameter of the reed is larger than that of the coil, and the edge of the reed arranged on the support extends out of the coil.

Furthermore, the boss on the support comprises a positioning part and a connecting part, the connecting part penetrates through the through hole of the reed, and the positioning part and the positioning block are respectively arranged on two sides of the reed and clamp the reed.

Furthermore, the coil is connected with two connecting wires which pass through the through grooves on the reeds.

Furthermore, the through grooves on the reeds are four.

A loudspeaker comprises a rotor assembly and a stator assembly, wherein the rotor assembly is in the structure as described above; stator module includes shell, magnet steel and magnetic conduction board, and magnet steel and magnetic conduction board all set up inside the shell, and wherein the lower surface and the shell looks rigid coupling of magnet steel, the upper surface and the magnetic conduction board rigid coupling of magnet steel, the shell tip is equipped with the step face of settling the reed, and the active cell subassembly passes through the reed suspension and lies in the top of magnetic conduction board in the shell.

And the stator is fixedly connected with a boss on a support in the rotor assembly into a whole through a through hole in the center of the stator.

Furthermore, the magnetic steel is bonded and fixed with the shell.

Furthermore, the magnetic conduction plate is bonded and fixed with the magnetic steel.

Furthermore, a reed in the rotor assembly is welded and fixed with a step surface at the end part of the shell.

The beneficial effects of the utility model reside in that:

the reed in the rotor assembly is made of metal materials, so that the processing is easy, and the product consistency is good. The reed made of metal drives the rotor assembly to vibrate, so that the conventional plastic sound film can be replaced, and the consistency and reliability of products can be greatly improved.

This speaker drives the metal reed through the permanent magnet interact in coil and the stator module and produces the vibration, and then produces sound, because be the mechanical oscillation who changes sound into different frequencies, only need with its attached bone position near the ear, can transmit the sound wave through people's skull, bone labyrinth, auditory nerve, auditory center etc. to hear clear sound, need not to fill in the ear, can not bring the ear fatigue, can stop the ear because of wearing the damage that closed earphone brought for a long time.

Because the ear is not blocked and sealed, the ear can not be blocked to receive external sound, and the safety information on the road can still be normally identified when the bicycle is ridden, namely, the synchronous reception of the external sound is not influenced while the information of the earphone is received.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic structural diagram of a mover assembly;

FIG. 2 is a schematic structural view of a reed;

FIG. 3 is a schematic structural view of a stent;

FIG. 4 is a schematic diagram of a speaker;

fig. 5 is an exploded view of fig. 4.

Reference numerals:

the coil-type magnetic force sensor comprises a mover assembly-1, a coil-101, a bracket-102, a reed-103, a positioning block-104, a through hole-1031, a through groove-1032, a positioning part-1021 and a connecting part-1022; stator module-2, outer shell-201, magnetic steel-202, magnetic conductive plate-203, step surface-2011; a fixing piece-3.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1 to 3, a mover assembly 1 includes a coil 101, a frame 102, a spring plate 103, and a positioning block 104; the reed 103 is of a circular plate structure, a through hole 1031 and a through groove 1032 are formed in the surface of the circular plate, the through hole 1031 is located in the center of the reed 103, the through groove 1032 is a curved groove, and the through grooves 1032 are provided with a plurality of strips which are arranged around the through hole 1031 in a head-to-tail penetrating manner; the coil is annular, the support 102 is arranged at the center of the coil 101 and fixedly connected with the coil into a whole, a boss for inserting and positioning the reed 103 is arranged on the support 102, the reed 103 is sleeved on the boss of the support 102 through a through hole 1031 and is integrally connected with the support 102, and the positioning block 104 is arranged above the reed 103 and fixedly connected with the boss penetrating through the through hole 1031 of the reed 103 into a whole.

Specifically, the boss on the bracket 102 includes a positioning portion 1021 and a connecting portion 1022, where the connecting portion 1022 is an elongated circular shaft section for mounting the spring plate 103, the positioning block 104, and other components, and the positioning portion 1021 is a flat circular table, and has an outer diameter greater than that of the connecting portion 1022 for blocking and positioning the spring plate 103; the connecting portion 1022 passes through the through hole 1031 of the spring plate 103, and the positioning portion 1021 and the positioning block 104 are respectively disposed on both sides of the spring plate 103 and clamp the spring plate 103. The outer diameter of the reed 103 is larger than that of the coil 101, and the edge of the reed 103 mounted on the bracket 102 extends out of the coil 101, so that the reed 103 can drive the whole mover assembly to vibrate. During assembly, the coil 101 and the bracket 102 are fixed by gluing, the spring plate 103 and the connecting part 1022 on the bracket 102 are fixed by gluing, and the positioning block 104 and the connecting part 1022 on the bracket 102 are fixed by gluing.

In the rotor assembly 1, the reeds 103 are made of metal materials, preferably stainless steel materials, can be punched and processed, and are easy to process and good in product consistency. The reed 103 made of metal drives the rotor component to vibrate, so that the conventional plastic sound film can be replaced, and the consistency and reliability of the product can be greatly improved.

It should be noted that two connection lines for receiving electrical signals are connected to the coil 101, and the connection lines are led out in a manner of passing through the through grooves 1032 on the reeds 103.

Four through grooves are arranged on the reed 103 in the embodiment. The four through grooves are not communicated with each other, but are arranged end to end in an alternating manner. If the first through groove and the third through groove are arranged oppositely, when seen in the clockwise direction, the first section of the second through groove is positioned on the outer side of the tail section of the third through groove, the tail section of the second through groove is positioned on the inner side of the first section of the first through groove, similarly, the first section of the fourth through groove is positioned on the outer side of the tail section of the first through groove, and the tail section of the fourth through groove is positioned on the inner side of the first section of the third through groove. Several logical grooves of being interrupted alternate and encircle the setting, can not only strengthen reed 103's buffer capacity, can also reduce the noise that the reed produced when vibrating, be favorable to adjusting the damping.

Referring to fig. 4 and 5, a speaker includes a mover assembly 1 and a stator assembly 2, where the mover assembly is configured as described above; stator module 2 includes shell 201, magnet steel 202 and magnetic conduction board 203, and magnet steel 202 and magnetic conduction board 203 all set up inside shell 201, and wherein magnet steel 202's lower surface and shell 201 looks rigid coupling, magnet steel 202's upper surface and magnetic conduction board 203 looks rigid coupling, and shell 201 tip is equipped with the step face 2011 of settling reed 103, and mover assembly 1 passes through reed 103 suspension in shell 201 and is located the top of magnetic conduction board 203.

Specifically, the magnetic steel 202 in the stator assembly is fixedly bonded with the shell 201 through glue, and the magnetic conducting plate 203 is fixedly bonded with the magnetic steel 202 through glue.

In the loudspeaker, after the rotor assembly 1 is installed in the shell 201 of the stator assembly 2, the outer edge of the reed 103 is matched with the step surface 2011 at the end of the shell, and then the reed 103 and the shell 201 are fixed into a whole through laser welding, so that the assembly of the rotor assembly 1 and the stator assembly 2 is realized.

As a further improvement of the above scheme, the stator 3 is further included, the stator 3 is disposed on the upper end face of the positioning block 104 in the mover assembly 1, and the stator 3 is fixedly connected with the boss on the support 102 in the mover assembly 1 through the through hole in the center thereof. That is, the fixing piece 3 is matched with the outer circle of the connecting part 1022 on the bracket through the through hole thereon and then fixed by glue. The fixing sheet can connect the loudspeaker with other parts together to realize matching.

The working principle of the loudspeaker is as follows:

the coil generates irregular magnetic field according to specific electric signal, the magnetic field generated by the coil interacts with the permanent magnet on the stator component, thereby driving the metal reed to generate vibration and further generate sound. Because the sound is converted into mechanical vibration with different frequencies, sound waves can be transmitted through the skull, the bone labyrinth, the auditory nerve, the auditory center and the like of a human body only by attaching the sound to the bone position near the ear, and clear sound can be heard. The earphone does not need to be plugged into ears, so that ear fatigue is avoided, and the damage to the ears caused by wearing the closed earphone for a long time can be avoided; meanwhile, because the ears are not blocked and sealed, the ears cannot be blocked to receive external sound, and when the bicycle is ridden, the safety information on the road can still be normally identified, namely, the synchronous reception of the external sound is not influenced while the information of the earphones is received.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. A mover assembly, characterized by: comprises a coil, a bracket, a reed and a positioning block; the reed is of a circular plate structure, a through hole and a through groove are formed in the surface of the circular plate, the through hole is located in the center of the reed, the through groove is a curved groove, and a plurality of through grooves are arranged in an inserting mode and circumferentially surround the through hole; the coil is annular, and the support setting is in coil center department and links firmly integratively with the coil, has the boss that is used for cartridge location reed on the support, and the reed links integratively with the support through the boss suit of through-hole on the support, and the locating piece setting is in the reed top and links firmly integratively with the boss that passes the reed through-hole.

2. The mover assembly of claim 1, wherein: the outer diameter of the reed is larger than that of the coil, and the edge of the reed arranged on the support extends out of the coil.

3. The mover assembly of claim 1, wherein: the boss on the support comprises a positioning part and a connecting part, the connecting part penetrates through the through hole of the reed, and the positioning part and the positioning block are respectively arranged on two sides of the reed and clamp the reed.

4. The mover assembly according to any one of claims 1 to 3, wherein: the coil is connected with two connecting wires which pass through the through grooves on the reeds.

5. The mover assembly of claim 4, wherein: the through grooves on the reeds are four.

6. The utility model provides a loudspeaker, includes active cell subassembly and stator module which characterized in that: the mover assembly as set forth in claim 5; stator module includes shell, magnet steel and magnetic conduction board, and magnet steel and magnetic conduction board all set up inside the shell, and wherein the lower surface and the shell looks rigid coupling of magnet steel, the upper surface and the magnetic conduction board rigid coupling of magnet steel, the shell tip is equipped with the step face of settling the reed, and the active cell subassembly passes through the reed suspension and lies in the top of magnetic conduction board in the shell.

7. The loudspeaker of claim 6, wherein: the rotor component is characterized by further comprising a fixing piece arranged on the upper end face of the positioning block in the rotor component, and the fixing piece is fixedly connected with a boss on a support in the rotor component into a whole through a through hole in the center of the fixing piece.

8. The loudspeaker of claim 6, wherein: the magnetic steel is bonded and fixed with the shell.

9. The loudspeaker of claim 6, wherein: the magnetic conduction plate is fixedly bonded with the magnetic steel.

10. The loudspeaker of claim 6, wherein: and a reed in the rotor assembly is welded and fixed with the step surface at the end part of the shell.