CN210629840U

CN210629840U - Display device and speaker thereof

Info

Publication number: CN210629840U
Application number: CN201921551681.5U
Authority: CN
Inventors: 张继光; 房晓勇; 张王军; 姜好德; 盛尊友
Original assignee: Hisense Visual Technology Co Ltd
Current assignee: Hisense Visual Technology Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-05-26
Anticipated expiration: 2029-09-17

Abstract

The utility model provides a display device and speaker thereof, this speaker include casing and horn assembly, are equipped with in the casing and hold the chamber, set up the through-hole that the intercommunication holds the chamber on the casing. The inner wall of casing is equipped with the recess that the opening orientation held the chamber, and the recess sets up around the through-hole. The loudspeaker subassembly includes vibrating diaphragm, first magnet, second magnet and third magnet. First magnet and third magnet set up in the recess with interval, and the second magnet sets up in the interval of first magnet and third magnet, the relative face between second magnet and the first magnet is the same name magnetic pole, the relative face between second magnet and the third magnet is the same name magnetic pole, make the second magnet suspend in the recess under the magnetic force of first magnet and third magnet respectively, and do not produce the contact of physics nature with first magnet and third magnet, avoid the second magnet to produce the vibration because of the contact with first magnet and third magnet, thereby reduce the intensity of vibration on the speaker.

Description

Display device and speaker thereof

Technical Field

The utility model relates to a display device technical field, in particular to display device and speaker thereof.

Background

The display equipment displays different interfaces for users to watch, and the loudspeaker correspondingly produces sound to enable the picture to correspond to the sound, wherein the loudspeaker is installed on the front frame through the module component and realizes the transmission of the sound through an air medium.

As the development of the technology of the display device gradually moves to a light and thin design, and the requirement of the user on the sound quality of the speaker gradually increases, the output power and the response of the speaker also gradually increase.

In the related art, the voice coil in the conductive state is stressed in a magnetic force field and drives the cone disc to vibrate to generate corresponding sound, wherein the vibration generated by the cone disc is transmitted to the folding ring, and the tail end of the folding ring is glued on the shell of the loudspeaker, so that the vibration generated by the cone disc is transmitted to the shell through the folding ring, the loudspeaker generates vibration, collision is easily generated among the module component, the front frame and the rear shell, and the stability of the display device is further reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a display device and speaker thereof solves the problem that the produced vibration of speaker influences display device's stability among the prior art.

In order to solve the technical problem, the utility model adopts the following technical scheme:

according to an aspect of the utility model, the utility model provides a loudspeaker, include: the shell is internally provided with an accommodating cavity, and a through hole communicated with the accommodating cavity is formed in the shell; a groove with an opening facing the accommodating cavity is formed in the inner wall of the shell and is arranged around the through hole; the loudspeaker assembly is accommodated in the accommodating cavity; the loudspeaker component comprises a diaphragm, a first magnet, a second magnet and a third magnet; the vibrating diaphragm comprises a conical disc and a folding ring connected with the periphery of the conical disc, and the conical disc is exposed to the through hole; the first magnet and the third magnet are arranged in the groove at intervals; the second magnet is arranged in the interval between the first magnet and the third magnet; the opposite surface between the second magnet and the first magnet is a same-name magnetic pole, and the opposite surface between the second magnet and the third magnet is a same-name magnetic pole; the second magnet is connected with the corrugated rim, so that the corrugated rim is suspended in the space between the first magnet and the third magnet.

Optionally, the first magnet, the second magnet and the third magnet are all ring-shaped; the first magnet and the third magnet are respectively glued and fixed on two opposite side walls of the groove.

Optionally, the first magnet, the second magnet and the third magnet each include a first connecting portion and a second connecting portion; the first connecting part is vertically connected with the second connecting part, so that the cross section of each magnet is L-shaped; the first connecting parts of the three magnets are opposite in parallel at intervals, and the second connecting parts of the three magnets are opposite in parallel at intervals.

Optionally, the first magnet and the third magnet are concentrically arranged with the through hole as a center; the distance of the first magnet relative to the axis of the through hole is smaller than the distance of the third magnet relative to the axis of the through hole.

Optionally, the volume of the first connecting part of the three magnets gradually increases in a direction away from the axis of the through hole; the volumes of the second connecting portions of the three magnets gradually increase in a direction away from the axis of the through hole.

Optionally, the housing includes a housing and a base connected to the housing; the loudspeaker subassembly still includes the basin frame, this basin frame install in on the base, and support in the second connecting portion of third magnet.

Optionally, the outer side surface of the housing is provided with a plurality of through holes arranged at intervals; the loudspeaker assembly is provided with a plurality of groups; each group of the horn assemblies is arranged corresponding to the through holes;

according to another aspect of the present invention, the present invention further provides a display device, comprising the speaker, the module component, the front frame and the rear housing; the loudspeaker is connected to the back side surface of the module component and accommodated between the front frame and the back shell; the rear shell is provided with a sound guide hole corresponding to the loudspeaker.

Optionally, a rubber sleeve is arranged between the loudspeaker and the module component, and the rubber sleeve is elastically clamped on the module component.

According to the above technical scheme, the embodiment of the utility model provides an at least have following advantage and positive effect:

the utility model discloses an in display device and speaker thereof, first magnet and third magnet set up in the recess with the interval, and the second magnet sets up in the interval of first magnet and third magnet, the opposite face between second magnet and the first magnet is the magnetic pole of the same name, the opposite face between second magnet and the third magnet is the magnetic pole of the same name, make the second magnet unsettled in the recess under the magnetic force of first magnet and third magnet respectively, and do not produce the contact of physics nature with first magnet and third magnet, avoid the second magnet because of producing the vibration with the contact of first magnet and third magnet, thereby reduce the intensity of vibration on the speaker.

Wherein, the second magnet is connected and is rolled over the ring, and the second magnet has the interval with first magnet and third magnet respectively for it has sufficient motion space to roll over the ring, and roll over the ring and can not contact with first magnet and third magnet under the condition of motion along with the motion of conical disk, thereby the conical disk transmits the unable transmission to the casing of vibration to rolling over the ring, avoids producing the collision between module part, preceding frame and the backshell, and then improves display device's stability.

Drawings

Fig. 1 is a front view of the display device 100 of the present invention.

Fig. 2 is an exploded view of the display device 100 of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is an exploded view of the speaker 6 of the display device 100 of the present invention.

Fig. 5 is a partial sectional view of the speaker 6 of the display device 100 of the present invention.

Fig. 6 is a partially enlarged view at B in fig. 5.

Fig. 7 is a partial sectional view of the first magnet 6261 of the display device 100 of the present invention.

The reference numerals are explained below:

100. a display device;

1. a display screen;

2. a front frame;

3. a back plate;

4. a rear housing;

5. a module member; 51. a positioning column;

6. a speaker; 6a, positioning holes; 61. a housing; 611. a base; 612. a housing; 6121. a through hole; 6121a, a groove; 62. a horn assembly; 621. a magnetic circuit system; 622. a voice coil; 623. a basin stand; 624. fixing a core support plate; 625. vibrating diaphragm; 6251. a conical disc; 6252. folding the ring; 626. a magnetic levitation component; 6261. a first magnet; 62611. a first connection portion; 62612. a second connecting portion; 62613. a first magnetic pole face; 62614. a second magnetic pole face; 6262. a second magnet; 6263. a third magnet.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

Fig. 1 is a front view of the display device 100 of the present invention.

Referring to fig. 1, the present invention provides a display device 100. The display device 100 displays different interfaces for the user to watch, and plays the sound of the corresponding interface for the user to listen, thereby improving the experience of the user as a whole. With the development of technology, the display device 100 tends to be designed to be light and thin, so as to improve the sound quality of the display device 100 to meet the requirements of users, wherein the display device 100 is mainly a television, a display, and the like. The following takes a television as an example to introduce the scheme of the present invention.

In the related art, the voice coil in the conductive state is stressed in the magnetic force field and drives the cone disc to vibrate to generate corresponding sound, wherein the vibration generated by the cone disc is transmitted to the folding ring, and the tail end of the folding ring is glued to the shell of the loudspeaker, so that the vibration generated by the cone disc is transmitted to the shell through the folding ring, the loudspeaker generates vibration, collision among the module component, the front frame and the rear shell is easily caused, and the stability of the display device 100 is further reduced.

Fig. 2 is an exploded view of the display device 100 of the present invention. Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Referring to fig. 2 and 3, the display device 100 of the present invention mainly includes a display screen 1, a front frame 2, a back plate 3, a back case 4, a module component 5, a speaker 6, and a rubber sleeve (not shown). The front frame 2 is located at a front side surface of the display apparatus 100.

The rear plate 3 is located on a rear side surface of the display device 100, and serves as a main supporting part of the display device 100, and the rear plate 3 is fixedly connected to the front frame 2. Specifically, the back plate 3 is connected with the front frame 2 in a buckling manner. The rear case 4 is engaged with the rear surface of the rear plate 3 and screwed to the front frame 2, thereby forming an accommodation space. The rear case 4 is mainly used to support electronic components and serves as a back appearance surface of the display apparatus 100. The rear case 4 is provided with a sound guide hole (not shown).

The display screen 1 is optionally clamped to the back plate 3 and located on the front side surface of the display device 100, and the display screen 1 is mainly used for displaying different interfaces for users to watch.

The module part 5 is located between the front frame 2 and the rear case 4, and is fixedly attached to the front frame 2. The module component 5 is optionally a backlight module of the display device 100, and uniformly reflects the light to the display screen 1, so that the display screen 1 displays different interfaces. Specifically, a positioning post 51 is convexly disposed on a rear side surface of the module component 5, and the positioning post 51 is cylindrical and is mainly used for positioning and connecting with other components.

The speaker 6 is mainly used for generating sound and corresponds to the display interface displayed on the display screen 1. The speaker 6 is connected to the rear side surface of the module component 5, specifically, the speaker 6 is provided with a positioning hole 6a which is connected with the positioning post 51 in a sleeved manner, and the positioning hole 6a is sleeved on the positioning post 51, so that the speaker 6 and the module component 5 are positioned and fixed, are positioned on the rear side surface of the module component 5, and correspond to the sound guide hole of the rear shell 4.

A rubber sleeve (not shown) is arranged between the speaker 6 and the module component 5, and the rubber sleeve is elastically clamped on the module component 5 to realize the buffer between the speaker 6 and the module component 5. Specifically, the rubber sleeve is cylindrical and elastic. The rubber sleeve is sleeved on the inner wall of the positioning hole 6a and elastically clamped on the positioning column 51, so that the rubber sleeve realizes buffering between the loudspeaker 6 and the module component 5, and the vibration strength transmitted between the loudspeaker 6 and the module component 5 is reduced.

Fig. 4 is an exploded view of the speaker 6 of the display device 100 of the present invention. Fig. 5 is a partial sectional view of the speaker 6 of the display device 100 of the present invention.

Referring to fig. 4 and 5, the speaker 6 includes a housing 61 and a plurality of horn assemblies 62 accommodated in the housing 61. The housing 61 serves as an outer protection for the loudspeaker 6 and is connected in a manner to be nested in the module part 5.

The housing 61 includes a base 611 and a shell 612, the shell 612 being attached to the base 611.

The base 611 has a certain thickness, and as a supporting part of the housing 61, the base 611 is provided with a plurality of positioning holes 6a arranged at intervals, and the positioning holes 6a are circular and are mainly used for being engaged with the positioning posts 51. The housing 612 has a wall thickness, is glued to the base 611, and encloses with the base 611 to form a receiving cavity 6b, and the receiving cavity 6b is mainly used for receiving the component to be mounted.

The surface of one side of the housing 612 facing away from the base 611 is provided with a plurality of through holes 6121 arranged at intervals, and the through holes 6121 are all communicated with the accommodating cavity 6 b. Specifically, the through hole 6121 is circular, which is not limited herein. The inner wall of the housing 612 is provided with a groove 6121a opening toward the accommodating cavity 6b, and the groove 6121a is arranged around the through hole 6121. The cross section of the groove 6121a is optionally L-shaped, mainly used for providing a space for installation, and communicated with the accommodating cavity 6 b.

The horn assembly 62 is accommodated in the accommodation chamber 6b, and is protected by the outer layer of the housing 61. The horn assembly 62 may optionally have multiple sets, each set of horn assemblies 62 is disposed corresponding to the through hole 6121, and in particular, the horn assembly 62 faces the through hole 6121, which is not limited herein. The speaker assembly 62 facilitates the transmission of sound through the corresponding through-hole 6121.

The speaker assembly 62 includes a magnetic circuit 621, a voice coil 622, a frame 623, a core support 624, a diaphragm 625, and a magnetic suspension member 626.

The magnetic circuit 621 is mounted on the base 611 and is mainly used for providing a uniform magnetic field.

The voice coil 622 is sleeved on the magnetic circuit system 621 and is in clearance fit with the magnetic circuit system 621, and the voice coil 622 in a conductive state generates interaction in a magnetic field provided by the magnetic circuit system 621, so as to improve the acting force of the sound production of the horn assembly 62.

The basin stand 623 is mounted to the base 611 and serves as the main skeleton of the horn assembly 62, providing a supporting base for the components of the horn assembly 62. Optionally, the top end of the basin stand 623 abuts against one end of the housing 612 and is disposed at one side of the groove 6121 a.

The fixed core supporting piece 624 is mounted on the basin frame 623 and is mainly used for maintaining the frequency of the speaker assembly 62 so as to ensure stable sound production of the speaker assembly 62.

The diaphragm 625 is exposed in the through hole 6121, and vibrates under the magnetic interaction force of the voice coil 622 and the magnetic circuit 621, and emits corresponding sound. The diaphragm 625 is made of rubber material and includes a conical disc 6251 and a corrugated ring 6252.

The conical disc 6251 is exposed in the through hole 6121 as a main sound emitting portion. A corresponding sound is generated by the vibration of the conical disc 6251.

The corrugated ring 6252 is connected to the magnetic circuit 621 via the conical disc 6251 and vibrates with the vibration of the conical disc 6251, and specifically, one end of the corrugated ring 6252 is connected to the periphery of the conical disc 6251, and the other end is connected to the magnetic suspension member 626.

Fig. 6 is a partially enlarged view at B in fig. 5. Fig. 7 is a partial sectional view of the first magnet 6261 of the display device 100 of the present invention

As shown in fig. 6 and 7, the magnetic suspension member 626 is accommodated in the groove 6121a, and magnetic suspension force is constructed by the structure thereof, so that vibration transmitted through the corrugated rim 6252 is effectively prevented from being transmitted to the housing 612, the strength of vibration on the speaker 6 is reduced, collision among the module member 5, the front frame 2 and the rear housing 4 is avoided, and the stability of the display device 100 is improved.

The magnetic suspension member 626 includes a first magnet 6261, a second magnet 6262, and a third magnet 6263. The first magnet 6261, the second magnet 6262, and the third magnet 6263 are similar in structure. The first and

second magnets

6261, 6262 and the third magnet 6263 are each optionally ring-shaped and each include a first connecting portion 62611 and a second connecting portion 62612. The first connecting portions 62611 of the three magnets are parallel and spaced apart and opposite, and the second connecting portions 62612 of the three magnets are parallel and spaced apart and opposite.

Optionally, the first connecting portion 62611 is perpendicular to the second connecting portion 62612, so that each magnet has an L-shaped cross section. Specifically, the first connection portion 62611 and the second connection portion 62612 are rectangular.

A side surface of the first connection portion 62611 and a side surface of the second connection portion 62612 adjacent to the side surface together form a first magnetic pole face 62613. The other side surface of the first connection portion 62611 forms a second magnetic pole face 62614 in cooperation with the one side surface of the second connection portion 62612 adjacent to the surface. Optionally, a different-name magnetic pole is disposed between the first magnetic pole surface 62613 and the second magnetic pole surface 62614, the first magnetic pole surface 62613 is an N pole, and the second magnetic pole surface 62614 is an S pole, which is not limited herein.

The first connecting portion 62611 and the second connecting portion 62612 of the first magnet 6261 are both adhesively fixed to a sidewall of the groove 6121a, and the first connecting portion 62611 of the third magnet 6263 is adhesively fixed to the other sidewall of the groove 6121a, so that the first magnet 6261 and the third magnet 6263 are disposed at intervals. Optionally, the first magnet 6261 is disposed opposite the third magnet 6263.

Specifically, the second connecting portion 62612 of the third magnet 6263 is supported by the basin frame 623, and the first magnet 6261 and the third magnet 6263 are respectively fixed to two opposite side walls of the groove 6121a by adhesive bonding, which is not limited herein.

The second magnet 6262 is disposed in the space between the first magnet 6261 and the third magnet 6263, and the second magnet 6262 is coupled to the flexure ring 6252 and moves between the first magnet 6261 and the third magnet 6263 with the vibration of the flexure ring 6252.

Specifically, the opposing surfaces between the second magnet 6262 and the first magnet 6261 are like magnetic poles, and the opposing surfaces between the second magnet 6262 and the third magnet 6263 are like magnetic poles. The second magnet 6262 is suspended between the first magnet 6261 and the third magnet 6263 by a magnetic force with the first magnet 6261 and the third magnet 6263, so that the flexure ring 6252 is suspended in the gap between the first magnet 6261 and the third magnet 6263, and the vibration transmission between the flexure ring 6252 and the housing 612 is blocked by the magnetic force.

In addition, the first magnet 6261, the second magnet 6262, and the third magnet 6263 are all concentrically disposed about the through-hole 6121, and the first magnet 6261, the second magnet 6262, and the third magnet 6263 are sequentially away from the axis of the through-hole 6121. Wherein the distance of the first magnet 6261 relative to the axis of the through-hole 6121 is smaller than the distance of the third magnet 6263 relative to the axis of the through-hole 6121.

Specifically, the volume of the first connection portion 62611 of the three magnets gradually increases in a direction away from the axis of the through hole 6121. The volume of the second connection portion 62612 of the three magnets gradually increases in a direction away from the axis of the through hole 6121, thereby effectively utilizing the space of the groove 6121a and ensuring the dynamic balance of the second magnet 6262.

the utility model discloses a in display device 100 and its speaker 6, first magnet 6261 and third magnet 6263 set up in recess 6121a at an interval, and second magnet 6262 sets up in the interval of first magnet 6261 and third magnet 6263, the relative face between second magnet 6262 and the first magnet 6261 is the same name magnetic pole, the relative face between second magnet 6262 and the third magnet 6263 is the same name magnetic pole, make second magnet 6262 suspend in recess 6121a under the magnetic force of first magnet 6261 and third magnet 6263 respectively, and do not produce the contact of physics nature with first magnet 6261 and third magnet 6263, avoid second magnet 6262 to produce the vibration because of the contact with first magnet 6261 and third magnet 6263, thereby reduce the intensity of vibration on speaker 6.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A loudspeaker, comprising:

the shell is internally provided with an accommodating cavity, and a through hole communicated with the accommodating cavity is formed in the shell; a groove with an opening facing the accommodating cavity is formed in the inner wall of the shell and is arranged around the through hole; and

the horn assembly is accommodated in the accommodating cavity; the loudspeaker component comprises a diaphragm, a first magnet, a second magnet and a third magnet; the vibrating diaphragm comprises a conical disc and a folding ring connected with the periphery of the conical disc, and the conical disc is exposed to the through hole; the first magnet and the third magnet are arranged in the groove at intervals; the second magnet is arranged in the interval between the first magnet and the third magnet; the opposite surface between the second magnet and the first magnet is a same-name magnetic pole, and the opposite surface between the second magnet and the third magnet is a same-name magnetic pole; the second magnet is connected with the corrugated rim, so that the corrugated rim is suspended in the space between the first magnet and the third magnet.

2. The loudspeaker of claim 1, wherein the first magnet, the second magnet, and the third magnet are each ring-shaped; the first magnet and the third magnet are respectively glued and fixed on two opposite side walls of the groove.

3. The loudspeaker of claim 2, wherein the first magnet, the second magnet, and the third magnet each comprise a first connection portion and a second connection portion; the first connecting part is vertically connected with the second connecting part, so that the cross section of each magnet is L-shaped; the first connecting parts of the three magnets are opposite in parallel at intervals, and the second connecting parts of the three magnets are opposite in parallel at intervals.

4. The speaker of claim 3, wherein the first magnet and the third magnet are concentrically disposed about the through hole; the distance of the first magnet relative to the axis of the through hole is smaller than the distance of the third magnet relative to the axis of the through hole.

5. The speaker of claim 4, wherein the first connecting portions of the three magnets gradually increase in volume in a direction away from the axis of the through hole; the volumes of the second connecting portions of the three magnets gradually increase in a direction away from the axis of the through hole.

6. The loudspeaker of claim 3, wherein the housing comprises a shell and a base connected to the shell; the loudspeaker subassembly still includes the basin frame, this basin frame install in on the base, and support in the second connecting portion of third magnet.

7. The loudspeaker of claim 6, wherein the outer surface of the housing defines a plurality of spaced apart through holes; the loudspeaker assembly is provided with a plurality of groups; each set of the horn assemblies is arranged corresponding to the through holes.

8. A display device comprising the speaker, the module part, the front frame, and the rear case according to any one of claims 1 to 7; the loudspeaker is connected to the back side surface of the module component and accommodated between the front frame and the back shell; the rear shell is provided with a sound guide hole corresponding to the loudspeaker.

9. The display device as claimed in claim 8, wherein a rubber sleeve is disposed between the speaker and the module member, and the rubber sleeve is elastically engaged with the module member.