WO2022062034A1 - Loudspeaker and electronic terminal - Google Patents

Abstract

Provided are a loudspeaker and an electronic terminal. The loudspeaker comprises a first sound production single body and a second sound production single body which is transversely arranged in the same horizontal plane as the first sound production single body, wherein the first sound production single body comprises a first magnetic circuit system and a first vibration system which is fixed on the first magnetic circuit system, and the second sound production single body comprises a second magnetic circuit system and a second vibration system; and the first magnetic circuit system comprises a first magnet yoke, and the second magnetic circuit system comprises a second magnet yoke which is arranged in parallel with the first magnet yoke, the first magnet yoke and the second magnet yoke being integrally formed. The acoustic performance of the loudspeaker in the present embodiment can be improved by means of the two sound production single bodies; the first sound production single body and the second sound production single body are placed in the same horizontal plane, such that the thickness of the loudspeaker in the present embodiment can be reduced, thereby adapting to the development trend of mobile terminals becoming thinner and thinner; and the first magnet yoke and the second magnet yoke are integrally formed, so that the first sound production single body and the second sound production single body can be connected into a whole.

Description

Speakers and Electronic Terminals technical field

The present application relates to the field of electro-acoustics, and in particular, to a speaker and an electronic terminal.

Background technique

In today's mobile Internet era, the number of mobile terminal devices is increasing, and the requirements for mobile terminals are getting higher and higher, one of which is that the thickness of mobile terminals is getting thinner and thinner.

technical problem

In order to improve the acoustic performance of the loudspeaker in the related art, the structure is often too complicated and the thickness is too large, so that it cannot adapt to the development trend of thinner and thinner mobile terminals.

Therefore, it is necessary to provide a new type of speaker and electronic terminal to solve the above problems.

technical solutions

The purpose of the present application is to provide a loudspeaker and an electronic terminal, the loudspeaker has a small thickness and good acoustic performance.

The technical solution of the present application is as follows: a loudspeaker, comprising a first sound-generating unit and a second sound-generating unit horizontally arranged on the same horizontal plane as the first sound-generating unit;

The first sound-generating unit includes a first magnetic circuit system and a first vibration system fixed on the first magnetic circuit system, and the second sound-generating unit includes a second magnetic circuit system and is fixed on the second a second vibration system on the magnetic circuit system;

The first magnetic circuit system includes a first magnetic yoke, the second magnetic circuit system includes a second magnetic yoke arranged in parallel with the first magnetic yoke, and the first magnetic yoke is integrated with the second magnetic yoke Molding settings.

As an embodiment of the present application, the first magnetic circuit system further includes a first main magnet steel disposed in the center of the first magnetic yoke, disposed on the first magnetic yoke and surrounding the first main magnetic steel a first secondary magnetic steel disposed to form a first magnetic gap, a first main pole core attached above the first main magnetic steel, and a first main pole core surrounding the first main pole core and attached to the first secondary magnetic steel The first secondary pole core on the magnet;

The second magnetic circuit system further includes a second main magnetic steel disposed in the center of the second magnetic yoke, disposed on the second magnetic yoke and disposed around the second main magnetic steel to form a second magnetic gap the second secondary magnetic steel, the second main pole core attached above the second main magnetic steel, and the second secondary pole surrounding the second main pole core and attached to the second secondary magnetic steel core.

As an embodiment of the present application, the first auxiliary pole core includes a first pole core portion surrounding the first main pole core and attached to the first auxiliary magnetic steel, extending from the first pole core There are a first support portion formed by extending the outer periphery of the first pole core portion toward the direction away from the second magnetic yoke, and a plurality of first supporting portions extending from the outer periphery of the first pole core portion toward the first magnetic yoke, so The first vibration system is fixed on the first support part, the first support part abuts on the first magnetic yoke, the first main magnetic steel and the peripheral edge of the first main pole core abut against connected to a plurality of the first support parts;

The second auxiliary pole core includes a second pole core part surrounding the second main pole core and attached to the second auxiliary magnetic steel, and facing the first pole core from the outer periphery of the second pole core part. Two second support parts extending from the vibration system and a plurality of second support parts extending from the outer periphery of the second pole core part toward the direction away from the second magnetic yoke, the second vibration system is fixed on the On the second bracket part, the second support part abuts on the second magnetic yoke, the second main magnet and the peripheral edge of the second main pole core abuts on a plurality of the second supports Ministry.

As an embodiment of the present application, the first vibration system includes a first diaphragm for vibrating and producing sound and a first voice coil for driving the first diaphragm to vibrate and produce sound, and the first voice coil is suspended on the In the first magnetic gap, the first diaphragm is fixed on the first bracket part;

The second vibration system includes a second diaphragm for vibrating and producing sound and a second voice coil for driving the second diaphragm to vibrate and produce sound, the second voice coil is suspended in the second magnetic gap, so The second diaphragm is fixed on the second bracket part.

As an embodiment of the present application, the first diaphragm includes a first ring portion, a first fixing portion extending from the outer periphery of the first ring portion, and extending from the inner periphery of the first ring portion. the top of the first ball, the first fixed part is fixed on the first bracket part, the top of the first ball abuts on the first voice coil;

The second diaphragm includes a second ring portion, a second fixing portion extending from the outer periphery of the second ring portion, and a second spherical top portion extending from the inner periphery of the second ring portion. The second fixing part is fixed on the second bracket part, and the second ball top abuts on the second voice coil.

As an embodiment of the present application, the first magnetic yoke is in the shape of a flat plate, the second magnetic yoke is in the shape of a flat plate, and in a direction parallel to the first magnetic yoke, the first magnetic yoke and the The second yokes are arranged side by side.

As an embodiment of the present application, the speaker further includes a connecting plate, the first magnetic yoke and the second magnetic yoke are spaced apart in a direction perpendicular to the first magnetic yoke, and one end of the connecting plate is is fixed on one end of the first yoke close to the second yoke, the other end of the connecting plate is fixed on the end of the second yoke close to the first yoke, the first vibration The system is provided on the side of the first yoke facing the second yoke, and the second vibration system is provided on the side of the second yoke facing the first yoke.

As an embodiment of the present application, the connecting plate is perpendicular to the first magnetic yoke and the second magnetic yoke, respectively, and the connecting plate is sandwiched between the first sound-generating unit and the second sound-generating unit between the bodies.

As an embodiment of the present application, the first magnetic yoke, the connecting plate and the second magnetic yoke are integrally formed.

As an embodiment of the present application, the first magnetic yoke and the second magnetic yoke are arranged on the same horizontal plane, and the first vibration system and the second vibration system are located on the first magnetic yoke and the second magnetic yoke. the same side of the two yokes.

The technical solution of the present application further provides an electronic terminal, including a terminal body and the speaker as described in any of the above embodiments, where the speaker is arranged on the terminal body.

beneficial effect

The beneficial effect of the present application is that: the speaker in this embodiment includes a first sound-generating unit and a second sound-generating unit, and the acoustic performance of the speaker in this embodiment can be improved by using the two sound-generating units. The speaker and the second sound-generating unit are placed on the same horizontal plane, which can make the thickness of the speaker in this embodiment thinner, so as to adapt to the development trend of thinner and thinner mobile terminals. The yoke is integrally formed, and the first sound-generating unit and the second sound-generating unit can be connected to form a whole, so that the structure is more compact.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of a speaker according to an embodiment of the application;

Fig. 2 is the exploded schematic diagram of the sounding assembly in Fig. 1;

Fig. 3 is the sectional view along A-A of Fig. 1;

FIG. 4 is a schematic diagram of an overall structure of an electronic terminal according to an embodiment of the present application.

Embodiments of the present invention

To further illustrate the various embodiments, the present application provides accompanying drawings. These drawings are part of the disclosure content of the present application, and are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant description of the specification to explain the operation principles of the embodiments. With reference to these contents, one of ordinary skill in the art will understand other possible implementations and advantages of the present application. Components in the figures are not drawn to scale, and similar component symbols are often used to represent similar components.

The present application will be further described below with reference to the accompanying drawings and embodiments.

Referring to FIGS. 1-3 , an embodiment of the present application provides a loudspeaker 1 . The loudspeaker 1 in this embodiment includes a first sound-generating unit 10 and a first sound-generating unit 10 that is horizontally arranged on the same horizontal plane. Two sound-generating units 20; the acoustic performance of the speaker 1 in this embodiment can be improved by using two sound-generating units. By placing the first sound-generating unit 10 and the second sound-generating unit 20 on the same level, The single unit and the second sound generating unit 20 are placed side by side, so that the thickness of the speaker 1 in this embodiment can be reduced, so as to adapt to the development trend of thinner and thinner mobile terminals.

Preferably, the structure and size of the first sound-generating unit 10 and the second sound-generating unit 20 are the same, so that the thickness of the first sound-generating unit 10 and the second sound-generating unit 20 are the same. When the sound-generating units 20 are arranged side by side, the thickness of the speaker 1 in this embodiment is the thickness of the first sound-generating unit 10 or the second sound-generating unit 20 , so that the thickness of the speaker 1 in this embodiment becomes thinner.

Please refer to FIG. 2 and FIG. 3 , the first sound-generating unit 10 in this embodiment includes a first magnetic circuit system 11 and a first vibration system 12 fixed on the first magnetic circuit system 11 , and the second sound-generating unit 20 includes The second magnetic circuit system 21 and the second vibration system 22 fixed on the second magnetic circuit, the first magnetic circuit system 11 is used to drive the first vibration system 12 to vibrate and sound, and the second magnetic circuit system 21 is used to drive the second vibration system 22 Vibration sounds.

Referring to FIG. 2 and FIG. 3 , the first magnetic circuit system 11 in this embodiment includes a first magnetic yoke 111 , and the second magnetic circuit system 21 includes a second magnetic yoke 211 disposed parallel to the first magnetic yoke 111 . The magnetic yoke 111 is integrally formed with the second magnetic yoke 211 . Since the first magnetic yoke 111 and the second magnetic yoke 211 in this embodiment are integrally formed, the first sound-generating unit 10 and the second sound-generating unit 20 can be connected to form a whole, which makes the structure more compact.

Preferably, the first magnetic yoke 111 is flat, and the second magnetic yoke 211 is flat. In a direction parallel to the first magnetic yoke 111 , the first magnetic yoke 111 and the second magnetic yoke 211 are arranged side by side.

Referring to FIGS. 2 and 3 , in one embodiment, the first magnetic circuit system 11 further includes a first main magnet 112 disposed in the center of the first magnetic yoke 111 , disposed on the first magnetic yoke 111 and surrounding the first magnetic yoke 111 . The main magnetic steel 112 is disposed to form the first secondary magnetic steel 114 of the first magnetic gap 113 , the first main pole core 115 attached above the first main magnetic steel 112 , and the first main pole core 115 surrounding the first main pole core 115 and attached to the first main pole core 115 . The first secondary pole core 116 on a pair of magnets 114 .

Referring to FIG. 2 and FIG. 3 , preferably, the first secondary pole core 116 includes a first pole core portion 1161 surrounding the first main pole core 115 and attached to the first secondary magnetic steel 114 . A first support portion 1162 extending from the outer periphery of the first pole core portion 1161 toward the direction away from the first magnetic yoke 111 and a plurality of first supporting portions 1163 extending from the outer periphery of the first pole core portion 1161 toward the first magnetic yoke 111, the first The vibration system 12 is fixed on the first bracket part 1162 , and the first support part 1163 abuts on the first magnetic yoke 111 . In this embodiment, the first secondary pole core 116 is designed according to the above-mentioned structure, the first pole core portion 1161 is arranged corresponding to the first main pole core 115, and the first support portion 1162 supports the first vibration system 12, so that this The structure of the sound generating assembly in the embodiment is simpler.

Preferably, the first bracket portion 1162 is annular.

Referring to FIG. 2 and FIG. 3 , preferably, the peripheral edges of the first main magnetic steel 112 and the first main pole core 115 abut on the plurality of first support portions 1163 .

2 and FIG. 3 , in one embodiment, the first vibration system 12 includes a first diaphragm 121 for vibrating and producing sound, and a first voice coil 122 for driving the first diaphragm 121 to vibrate and produce sound. The first voice coil The 122 is suspended in the first magnetic gap 113 , and the first diaphragm 121 is fixed on the first bracket portion 1162 .

Referring to FIG. 2 and FIG. 3 , preferably, the first diaphragm 121 includes a first folded ring portion 1211 , a first fixed portion 1212 extending from the outer periphery of the first folded ring portion 1211 , and an inner portion from the first folded ring portion 1211 . The first ball top 1213 is formed by extending from the periphery, the first fixing portion 1212 is fixed on the first bracket portion 1162 , and the first ball top 1213 abuts on the first voice coil 122 .

Referring to FIG. 2 and FIG. 3 , in one embodiment, the second magnetic circuit system 21 further includes a second main magnet 212 disposed in the center of the second yoke 211 , disposed on the second yoke 211 and surrounding the second magnetic yoke 211 . The main magnetic steel 212 is disposed to form the second auxiliary magnetic steel 214 of the second magnetic gap 213 , the second main pole core 215 attached to the second main magnetic steel 212 , and the second main pole core 215 surrounding the second main pole core 215 and attached to the second main pole core 215 . The second secondary pole core 216 on the secondary magnetic steel 214 .

Referring to FIG. 2 and FIG. 3 , preferably, the second secondary pole core 216 includes a second pole core portion 2161 surrounding the second main pole core 215 and attached to the second secondary magnetic steel 214 . The outer periphery of the 2161 is formed to extend toward the second support portion 2162 away from the second magnetic yoke 211, and a plurality of second support portions 2163 are formed to extend from the outer periphery of the second pole core portion 2161 toward the second magnetic yoke 211. The second vibration system 22 is fixed on the second bracket portion 2162 , and the second support portion 2163 abuts on the second magnetic yoke 211 . In this embodiment, the second secondary pole core 216 is designed according to the above structure, the second pole core portion 2161 is arranged corresponding to the second main pole core 215, and the second support portion 2162 supports the second vibration system 22, so that the The structure of the sound generating assembly in the embodiment is simpler.

Preferably, the second bracket portion 2162 is annular.

Referring to FIG. 2 and FIG. 3 , preferably, the peripheral edges of the second main magnetic steel 212 and the second main pole core 215 abut on the plurality of second supporting portions 2163 .

2 and FIG. 3 , in one embodiment, the second vibration system 22 includes a second diaphragm 221 for vibrating and producing sound, and a second voice coil 222 for driving the second diaphragm 221 to vibrate and produce sound. The second voice coil 222 is suspended in the second magnetic gap 213 , and the second diaphragm 221 is fixed on the second bracket portion 2162 .

Please refer to FIG. 2 and FIG. 3 , preferably, the second diaphragm 221 includes a second folded ring portion 2211 , a second fixed portion 2212 extending from the outer periphery of the second folded ring portion 2211 , and an inner portion from the second folded ring portion 2211 . The second spherical top portion 2213 is formed by extending the peripheral edge. The second fixing portion 2212 is fixed on the second bracket portion 2162 , and the second spherical top portion 2213 abuts on the second voice coil 222 .

1-3, in one embodiment, the speaker 1 further includes a connecting plate 30, the first magnetic yoke 111 and the second magnetic yoke 211 are spaced apart in a direction perpendicular to the first magnetic yoke 111, and the connecting plate 30 One end of the first magnetic yoke 111 is fixed on the end of the first magnetic yoke 111 close to the second magnetic yoke 211, the other end of the connecting plate 30 is fixed on the end of the second magnetic yoke 211 near the first magnetic yoke 111, and the first vibration system 12 is arranged on the first magnetic yoke 111. A magnetic yoke 111 is on the side facing the second magnetic yoke 211 , and the second vibration system 22 is provided on the side of the second magnetic yoke 211 facing the first magnetic yoke 111 .

Specifically, the plurality of first support parts 1163 abut on the side of the first magnetic yoke 111 facing the second magnetic yoke 211 , and the plurality of second support parts 2163 abut on a side of the second magnetic yoke 211 facing the first magnetic yoke 111 . on the side.

In one embodiment, the connecting plate 30 is perpendicular to the first magnetic yoke 111 and the second magnetic yoke 211 respectively, and the connecting plate 30 is sandwiched between the first sound-generating unit 10 and the second sound-generating unit 20 .

Specifically, the first magnetic yoke 111 , the connecting plate 30 and the second magnetic yoke 211 are integrally formed.

In another embodiment, the first magnetic yoke 111 and the second magnetic yoke 211 are arranged on the same horizontal plane, and the first vibration system 12 and the second vibration system 22 are arranged on the same side of the first magnetic yoke 111 and the second magnetic yoke 211 .

Preferably, one end of the first magnetic yoke 111 is connected to one end of the second magnetic yoke 211 and forms a rectangular plate.

Referring to FIG. 4 , an embodiment of the present application further provides an electronic terminal. In this embodiment, the electronic terminal includes a terminal body 4 and the speaker 1 in the above embodiment. The speaker 1 is arranged on the terminal body 4 , because the above embodiment The speaker 1 in this embodiment includes a first sound-generating unit 10 and a second sound-generating unit 20. The acoustic performance of the speaker 1 in this embodiment can be improved by using the two sound-generating units. The placement of the two sound-emitting units 20 on the same horizontal plane can reduce the thickness of the speaker 1 in this embodiment, thereby adapting to the development trend of thinner and thinner mobile terminals.

The above are only the embodiments of the present application. It should be pointed out that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept of the present application, but these belong to the present application. scope of protection.

Claims (11)

A loudspeaker is characterized in that: it comprises a first sound-generating unit and a second sound-generating unit horizontally arranged on the same horizontal plane as the first sound-generating unit; The first sound-generating unit includes a first magnetic circuit system and a first vibration system fixed on the first magnetic circuit system, and the second sound-generating unit includes a second magnetic circuit system and is fixed on the second a second vibration system on the magnetic circuit system; The first magnetic circuit system includes a first magnetic yoke, the second magnetic circuit system includes a second magnetic yoke arranged in parallel with the first magnetic yoke, and the first magnetic yoke is integrated with the second magnetic yoke Molding settings. The loudspeaker according to claim 1, wherein the first magnetic circuit system further comprises a first main magnet steel disposed in the center of the first magnetic yoke, disposed on the first magnetic yoke and surrounding the The first main magnetic steel is arranged to form a first secondary magnetic steel of the first magnetic gap, a first main pole core attached above the first main magnetic steel, and a first main pole core surrounding the first main pole core and attached to the first main pole core. the first secondary pole core on the first secondary magnetic steel; The second magnetic circuit system further includes a second main magnetic steel disposed in the center of the second magnetic yoke, disposed on the second magnetic yoke and disposed around the second main magnetic steel to form a second magnetic gap the second secondary magnetic steel, the second main pole core attached above the second main magnetic steel, and the second secondary pole surrounding the second main pole core and attached to the second secondary magnetic steel core. The loudspeaker according to claim 2, wherein the first secondary pole core comprises a first pole core part surrounding the first main pole core and attached to the first secondary magnetic steel, The outer periphery of the first pole core portion extends toward the first bracket portion in a direction away from the first magnetic yoke, and a plurality of first support portions extend from the outer periphery of the first pole core portion toward the first magnetic yoke. a support part, the first vibration system is fixed on the first bracket part, the first support part abuts on the first magnetic yoke, the first main magnet and the first main magnet The peripheral edge of the pole core abuts on the plurality of first support parts; The second secondary pole core includes a second pole core part surrounding the second main pole core and attached to the second secondary magnetic steel, and facing away from the outer periphery of the second pole core part A second support portion extending in the direction of the second magnetic yoke and a plurality of second supporting portions extending from the outer periphery of the second pole core portion toward the second magnetic yoke, the second vibration system is fixed to the On the second bracket part, the second support part abuts on the second magnetic yoke, the second main magnet and the peripheral edge of the second main pole core abuts on a plurality of the second supports Ministry. The loudspeaker according to claim 3, wherein the first vibration system comprises a first diaphragm for vibrating and producing sound and a first voice coil for driving the first diaphragm to vibrate and produce sound, the first sound The ring is suspended in the first magnetic gap, and the first diaphragm is fixed on the first bracket part; The second vibration system includes a second diaphragm for vibrating and producing sound and a second voice coil for driving the second diaphragm to vibrate and produce sound, the second voice coil is suspended in the second magnetic gap, so The second diaphragm is fixed on the second bracket part. The loudspeaker of claim 4, wherein the first diaphragm comprises a first folded ring portion, a first fixed portion extending from the outer periphery of the first folded ring portion, and a first folded portion from the first folded ring portion. a first ball top extending from the inner peripheral edge of the ring portion, the first fixing portion is fixed on the first bracket portion, and the first ball top abuts on the first voice coil; The second diaphragm includes a second ring portion, a second fixing portion extending from the outer periphery of the second ring portion, and a second spherical top portion extending from the inner periphery of the second ring portion. The second fixing part is fixed on the second bracket part, and the second ball top abuts on the second voice coil. The loudspeaker according to any one of claims 1 to 5, wherein the first magnetic yoke is in the shape of a flat plate, and the second magnetic yoke is in the shape of a flat plate in a direction parallel to the first magnetic yoke above, the first magnetic yoke and the second magnetic yoke are arranged in parallel. The loudspeaker according to claim 6, wherein the loudspeaker further comprises a connecting plate, the first magnetic yoke and the second magnetic yoke are spaced apart in a direction perpendicular to the first magnetic yoke, the One end of the connecting plate is fixed on the end of the first magnetic yoke close to the second magnetic yoke, and the other end of the connecting plate is fixed on the end of the second magnetic yoke close to the first magnetic yoke, The first vibration system is arranged on the side of the first yoke facing the second yoke, and the second vibration system is arranged on the side of the second yoke facing the first yoke superior. The loudspeaker according to claim 7, wherein the connecting plate is perpendicular to the first magnetic yoke and the second magnetic yoke, respectively, and the connecting plate is sandwiched between the first sound-generating unit and the second magnetic yoke. between the second sounding unit. The loudspeaker according to claim 7, wherein the first magnetic yoke, the connecting plate and the second magnetic yoke are integrally formed. The loudspeaker according to claim 6, wherein the first magnetic yoke and the second magnetic yoke are arranged on the same horizontal plane, and the first vibration system and the second vibration system are located on the first magnetic the same side of the yoke and the second yoke. The electronic terminal is characterized by comprising a terminal body and the speaker according to any one of the preceding claims 1-10, wherein the speaker is arranged on the terminal body.