High-pitched sound module and electronic device

Abstract

The utility model discloses a kind of high sound module and electronic equipment, multiple magnetic flanges and fixed body are arranged on the first magnetic plate, electric contact body and contact are arranged on connecting portion, to be connected with the lead of voice coil by electric contact body. Magnetic flange and the first magnetic part form magnetic gap, to drive voice coil to move. Thus, shell part is configured as injection molding, and fixed body and electric contact body are set as insert in shell part. So that the first magnetic plate and connecting portion can be directly fixedly connected with shell part, the fixing procedure is saved, and the volume occupation of high sound module is reduced. In addition, control circuit can drive voice coil by the contact arranged outside yoke.

Description

Technical Field

[0001] This utility model relates to the field of electroacoustic conversion technology, and in particular to a tweeter module and electronic device. Background Technology

[0002] Adding a protective shell to the outside of the tweeter module to form the sound-generating unit can improve the modularity of the tweeter module. However, it also increases the overall size and manufacturing cost of the sound-generating unit. To reduce the space occupied within electronic products and facilitate the assembly of the sound-generating unit, its structure needs further optimization. Therefore, simplifying the assembly process of the tweeter module and reducing its size footprint has become a problem that needs to be solved. Utility Model Content

[0003] In view of this, the present invention provides a tweeter module and an electronic device, which utilizes an insert molding process to place the fixing body and the electrical contact body together in the housing, thereby simplifying the assembly process of the tweeter module and reducing the volume occupied by the tweeter module.

[0004] According to a first aspect of the present invention, a tweeter module is provided, the tweeter module comprising: The connecting part includes an elastic arm, the elastic arm including a contact point; The vibrating part includes a diaphragm and a voice coil, wherein the voice coil includes leads; A magnetic circuit system includes a first magnetic plate and a first magnetic part. The first magnetic plate includes a plurality of magnetic flanges, the magnetic flanges forming a magnetic gap with the first magnetic part, and at least a portion of the voice coil is disposed in the magnetic gap. A basin frame includes a shell, a diaphragm fixedly connected to the shell, the shell being an injection molded part, a portion of the first magnetic plate and a portion of the connecting part being inserts disposed in the shell, and the lead wire being electrically connected to the connecting part, and one end of the elastic arm having the contact point extending from the outer surface of the shell.

[0005] Furthermore, the plurality of said magnetically conductive flanges include: Two first flanges are disposed opposite to each other. Each first flange has a first groove, which is recessed along the axial direction of the voice coil and extends along the length direction of the first flange. The number of leads is two, and each lead is respectively set to correspond to one of the two first wire slots. Each lead includes a first fixed section and a second fixed section. The first fixed section is fixed to the corresponding first wire slot, and the second fixed section is fixed to the corresponding electrical contact.

[0006] Furthermore, the shell portion includes a mounting window that penetrates the shell portion and has an inner side surface; The plurality of magnetically conductive flanges further include: The second flange and the third flange are arranged opposite to each other. In the length direction of the first flange, the second flange and the third flange are located on both sides of the two first flanges, and a plurality of magnetically conductive flanges extend from the inner side to the first magnetic part.

[0007] Furthermore, the first flange and the second flange are spaced apart, and a clearance space is formed between the first flange, the second flange and the inner side surface; The voice coil also includes a coil body: The lead wire includes a transition section that connects the first fixed section and the coil body. The transition section is bent and located in the clearance space.

[0008] Furthermore, two protrusions are provided on the inner side, with the platform of the protrusions facing the diaphragm; The number of the connecting parts is two and they are arranged corresponding to the two protrusions. The electrical contact body has an electrical contact surface, at least a portion of which is exposed on the platform of the protrusion. The two second fixing segments are electrically connected to the two electrical contact surfaces respectively.

[0009] Furthermore, the first magnetic plate includes multiple connectors, and two adjacent magnetic flanges are connected through the connectors; The plurality of connecting bodies include two fourth flanges, which are respectively disposed on the sides of the two bosses. The third flange is connected between the first flange and the third flange and forms part of the magnetic gap with the first magnetic part.

[0010] Furthermore, the first groove extends in a straight line toward the diaphragm, and the first groove has a notch located at the end of the first groove away from the connecting portion and communicating with the clearance space; The lead wire extends into the first wire groove through the notch.

[0011] Furthermore, the first groove includes a first extension section and a second extension section in the extension direction, one end of the second extension section is connected to the first extension section, and the other end extends toward the corresponding connecting part; The notch is formed at the end of the first extension segment away from the second extension segment, and the bottom surface of the first extension segment is inclined away from the diaphragm on the side near the notch.

[0012] Furthermore, the magnetic circuit system also includes a second magnetic plate and two second magnetic parts corresponding to the two first flanges, wherein the first magnetic parts and the second magnetic parts abut against the second magnetic plate; The first magnetic plate includes a fixing body, which is an insert disposed on the shell portion. The fixing body includes two first fixing bodies corresponding to the two first flanges. The first flange is disposed on the side of the corresponding first fixing body near the first magnetic part. The side of the first flange away from the diaphragm and at least a portion of the side of the first fixing body away from the diaphragm abut against the corresponding second magnetic part.

[0013] Furthermore, the housing has a mounting surface that is opposite to the diaphragm and adjacent to the mounting window; The first flange includes a first positioning surface, the first fixing body includes a second positioning surface, the first positioning surface, the second positioning surface and the mounting surface are flush, and the first positioning surface and the second positioning surface are exposed to the mounting surface; The second magnetic part abuts against the first positioning surface, the second positioning surface, and part of the mounting surface.

[0014] Furthermore, the shell includes a top shell and a side shell, the top shell having the mounting window and the mounting surface, the diaphragm being connected to the top shell, the side shell surrounding the top shell and protruding away from the diaphragm, and the side of the second magnetic part abutting against the inner wall of the side shell; The frame also includes a base plate, which is fixedly connected to the side shell away from the top shell and forms a sound chamber with the shell and the diaphragm, and the magnetic circuit system is located in the sound chamber.

[0015] Furthermore, the shell portion also includes two first limiting posts and two second limiting posts, the first limiting posts and the second limiting posts protruding from the mounting surface, the two first limiting posts being located on both sides of one first fixing body, and the two second limiting posts being located on both sides of another first fixing body; The edge of the second magnetic plate abuts against the two first limiting posts, the two second limiting posts, and the inner wall of the side shell, and the side of the second magnetic part abuts against the two first limiting posts or the two second limiting posts.

[0016] Furthermore, the shell portion has two second grooves corresponding to the two protrusions, the second grooves facing the diaphragm, one end of the second groove facing above the platform of the corresponding protrusion, and the other end extending away from the second flange and forming on the outer surface of the shell portion.

[0017] Furthermore, the bottom surface of the second cable groove is connected to the platform surface of the corresponding boss, and a portion of the electrical contact surface is exposed in at least a portion of the bottom surface of the second cable groove.

[0018] Furthermore, the connecting portion also includes a connecting arm and an electrical contact body. The connecting arm is connected between the electrical contact body and the elastic arm. The connecting arm and the electrical contact body are inserts disposed in the housing portion. The elastic arm extends from the outer surface of the housing portion and its end forms the contact point. The elastic arm has an elastic bending amount that approaches and / or moves away from the shell.

[0019] Furthermore, the shell portion also includes two latches and lugs, the two latches and the lugs protruding from the side shell, the two latches extending in opposite directions, the protrusion direction of the lugs being perpendicular to the protrusion direction of the two latches, and the lugs having connecting through holes.

[0020] Furthermore, the base plate has ventilation holes that communicate with the sound chamber; The tweeter module also includes a breathable patch, which is attached to the edge of the vent hole facing the sound chamber or away from the sound chamber.

[0021] Secondly, this utility model embodiment also provides an electronic device, the electronic device comprising: According to the tweeter module described in the first aspect above.

[0022] The tweeter module and electronic device of this utility model embodiment have multiple magnetic flanges and fixing bodies provided on a first magnetic plate, and electrical contacts and contacts provided on the connecting part for connection with the lead wire of the voice coil through the electrical contacts. The magnetic flanges form a magnetic gap with the first magnetic part to drive the voice coil to move. Thus, the housing is configured as an injection molded part, and the fixing body and electrical contacts are provided as inserts in the housing. This allows the first magnetic plate and the connecting part to be directly fixedly connected to the housing, eliminating the fixing process and reducing the volume occupied by the tweeter module. In addition, the control circuit can drive the voice coil through the contacts provided on the outside of the frame. Attached Figure Description

[0023] The above and other objects, features and advantages of the present invention will become clearer from the following description of embodiments of the present invention with reference to the accompanying drawings, in which: Figure 1 This is a schematic diagram of one side of the tweeter module provided in the first embodiment of this utility model; Figure 2 This is a schematic diagram of the other side of the tweeter module provided in the first embodiment of this utility model; Figure 3 This is an exploded view of one side of the tweeter module provided in the first embodiment of this utility model; Figure 4 This is an exploded view of the other side of the tweeter module provided in the first embodiment of this utility model; Figure 5 yes Figure 1 Schematic diagram of the cross section at point AA; Figure 6 This is a schematic diagram of the structure of the shell and the other side of the first magnetic plate provided in the first embodiment of this utility model; Figure 7 This is a schematic diagram of the structure of the shell and one side of the first magnetic plate provided in the first embodiment of this utility model; Figure 8 This is a schematic diagram of the structure of the shell, the first magnetic plate, and the lead wire provided in the first embodiment of this utility model; Figure 9 This is an exploded view of the connecting part, magnetic circuit system, and shell provided in the first embodiment of this utility model; Figure 10 This is a structural schematic diagram of one side of the tweeter module provided in the second embodiment of this utility model; Figure 11 This is a schematic diagram of the structure of the other side of the tweeter module provided in the second embodiment of this utility model; Figure 12 This is an exploded view of one side of the tweeter module provided in the second embodiment of this utility model; Figure 13 This is an exploded view of the other side of the tweeter module provided in the second embodiment of this utility model.

[0024] Explanation of reference numerals in the attached figures: 1-Connecting part; 11-Electrical contact body; 111-Electrical contact surface; 12-Contact point; 13-Connecting arm; 14-Flexible arm; 2-Vibrating part; 21-Diaphragm; 22-Voice coil; 221-Lead wire; 2211-First fixed section; 2212-Second fixed section; 2213-Transition section; 2214-Cut section; 222-Voice coil body; 3-Magnetic circuit system; 31-First magnetic plate; 311-Magnetic flange; 3111-First flange; 3112-Second flange; 3113-Third flange; 3114-Clearing space; 312-Fixing body; 3121-First fixing body; 313-Connecting body; 3131-Fourth flange; 32-First magnetic section; 33-Magnetic gap; 34 - Second magnetic plate; 35 - Second magnetic part; 4-Pourer stand; 41-Shell portion; 411-Mounting window; 4111-Inner side surface; 412-Boss; 413-Mounting surface; 4131-First positioning surface; 4132-Second positioning surface; 414-Top shell; 415-Side shell; 42 - Base plate; 421 - Ventilation holes; 43-sound room; 441 - First limiting post; 442 - Second limiting post; 45 - Breathable patch; 51-First groove; 511-First extension section; 512-Second extension section; 513-Notch; 52 - Second groove; 61-Latch tongue; 62-Lump; 621-Connecting through hole. Detailed Implementation

[0025] The present invention will now be described based on embodiments, but it is not limited to these embodiments. In the following detailed description of the present invention, certain specific details are described in detail. Those skilled in the art will fully understand the present invention even without these details. To avoid obscuring the essence of the present invention, well-known methods, processes, flows, elements, and circuits are not described in detail.

[0026] Furthermore, those skilled in the art should understand that the accompanying drawings provided herein are for illustrative purposes only and are not necessarily drawn to scale.

[0027] Unless the context explicitly requires it, words such as "including" or "contains" throughout the application should be interpreted as including rather than exclusive or exhaustive; that is, meaning "including but not limited to".

[0028] In the description of this utility model, it should be understood that the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0029] Unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] For ease of explanation, spatially related terms such as “inside,” “outside,” “below,” “below,” “lower,” “above,” “upper,” etc., are used herein to describe the relationship between one element or feature illustrated in the figure and another. It will be understood that spatially related terms may be intended to encompass different orientations of the device in use or operation besides those depicted in the figure. For example, if the device in the figure is flipped, an element described as “below” or “below” another element or feature would then be positioned “above” that other element or feature. Thus, the exemplified term “below” can encompass both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially related descriptive terms used herein should be interpreted accordingly.

[0031] Figure 1 and Figure 2 This is a schematic diagram of the tweeter module provided in the first embodiment. Figure 10 and Figure 11 This is a schematic diagram of the tweeter module provided in the second embodiment. Figure 3 and Figure 4 This is an exploded view of the tweeter module provided in the first embodiment. Figure 5 yes Figure 1 Schematic diagram of cross-section at point AA. Figure 12 and Figure 13 This is an exploded view of the tweeter module provided in the second embodiment.

[0032] In some implementations, such as Figures 1-2 and Figures 10-11 As shown, the tweeter module in this embodiment includes a vibrating section 2 and a frame 4. Further referencing... Figures 3-5 and Figures 12-13 As shown, the tweeter module also includes a connecting part 1 and a magnetic circuit system 3. The connecting part 1 includes an electrical contact 11 and a contact 12. The vibrating part 2 includes a diaphragm 21 and a voice coil 22, and the voice coil 22 includes a lead wire 221. The magnetic circuit system 3 includes a first magnetic plate 31 and a first magnetic part 32. The first magnetic plate 31 includes multiple magnetic flanges 311 and a fixing body 312. The magnetic flanges 311 and the first magnetic part 32 form a magnetic gap 33, and at least a portion of the voice coil 22 is disposed in the magnetic gap 33. The frame 4 includes a shell part 41, and the diaphragm 21 is fixedly connected to the shell part 41. The shell part 41 is an injection molded part. The fixing body 312 and the electrical contact 11 are inserts disposed in the shell part 41, and the lead wire 221 is electrically connected to the electrical contact 11. The contact 12 is located on the outside of the frame 4.

[0033] Specifically, in this embodiment, the shell portion 41, the first magnetic plate 31, and the two connecting portions 1 are fixed together by an insert molding process. The shell portion 41 can be made of organic polymer materials, such as resin, plastic, or rubber. The first magnetic plate 31 is made of steel, iron, iron-based alloys, or cobalt-based alloys, and primarily functions as a magnetic conductor. The connecting portions 1 are made of copper, iron, or copper alloys, and primarily function as a conductive path. During the injection molding process of the shell portion 41, the first magnetic plate 31 and the two connecting portions 1 are placed inside the mold cavity, and a fixing device is used to position the first magnetic plate 31 and the connecting portions 1. Injection material is injected into the mold, and after the injection material cools, the shell portion 41 covers a portion of the first magnetic plate 31 and the connecting portions 1, exposing the magnetic flange 311, the electrical contact 11, and the contact point 12 on the surface of the shell portion 41.

[0034] In summary, the tweeter module in this embodiment has multiple magnetic flanges 311 and fixing bodies 312 on the first magnetic plate 31, and electrical contacts 11 and contacts 12 on the connecting part 1, so as to connect with the lead wire 221 of the voice coil 22 through the electrical contacts 11. The magnetic flanges 311 and the first magnetic part 32 form a magnetic gap 33 to drive the voice coil 22 to move. Thus, the shell part 41 is configured as an injection molded part, and the fixing body 312 and the electrical contacts 11 are set as inserts in the shell part 41. This allows the first magnetic plate 31 and the connecting part 1 to be directly fixedly connected to the shell part 41, eliminating the fixing process and reducing the volume occupied by the tweeter module. In addition, the control circuit can drive the voice coil 22 through the contacts 12 provided on the outside of the frame 4.

[0035] Figure 6 and Figure 7 This is a schematic diagram of the structure of the shell 41 and the first magnetic plate 31 provided in the first embodiment. Figure 6 and Figure 7 The outline of the first magnetic plate 31 is shown with thick solid lines. Figure 7 Section lines are set on part of the mounting surface 413. Figure 8 This is a schematic diagram of the structure of the shell 41, the first magnetic plate 31, and the lead wire 221 provided in the first embodiment. Figure 8 The leader line 221 is shown with a thick dashed line.

[0036] In some implementations, such as Figure 6 and Figure 7 As shown, the plurality of magnetically conductive flanges 311 include two first flanges 3111. The two first flanges 3111 are disposed opposite to each other, and the side surface of each first flange 3111 has a first groove 51. The first groove 51 is recessed along the axial direction of the voice coil 22 and extends along the length direction of the first flange 3111. Further referring to… Figure 3 and Figure 8As shown, there are two leads 221, which are respectively set with two first wire slots 51. The lead 221 includes a first fixed section 2211 and a second fixed section 2212. The first fixed section 2211 is fixed to the corresponding first wire slot 51, and the second fixed section 2212 is fixed to the corresponding electrical contact 11.

[0037] Optionally, the first fixing segment 2211 is fixed to the first wire groove 51 using adhesive, and the second fixing segment 2212 is fixed to the electrical contact 11 using solder. This avoids pulling on the second fixing segment 2212 during the movement of the voice coil 22. In addition, it achieves an electrical connection between the lead 221 and the electrical contact 11.

[0038] In some implementations, such as Figure 4 and Figure 6 As shown, the housing 41 includes a mounting window 411 that penetrates the housing 41 and has an inner surface 4111. This inner surface 4111 faces the center of the mounting window 411. The plurality of magnetically conductive flanges 311 also include second flanges 3112 and third flanges 3113. The second flanges 3112 and third flanges 3113 are arranged opposite to each other. In the length direction of the first flanges 3111, the second flanges 3112 and third flanges 3113 are located on both sides of the two first flanges 3111, and the plurality of magnetically conductive flanges 311 extend from the inner surface 4111 toward the first magnetic part 32. In this embodiment, the two first flanges 3111 and two second flanges 3112 increase the overall length of the magnetic gap 33. The two first flanges 3111 are arranged along the length direction of the tweeter module, and the two second flanges 3112 are arranged along the width direction of the tweeter module, making the Ampere force on the voice coil 22 more balanced.

[0039] In some implementations, such as Figures 6-7 As shown, the first flange 3111 and the second flange 3112 are spaced apart, and a clearance space 3114 is formed between the first flange 3111, the second flange 3112 and the inner side surface 4111.

[0040] Further reference Figure 8 As shown, the voice coil 22 also includes a coil body 222, which is formed by spirally winding a wire, with the two ends of the wire forming the aforementioned lead wire 221. The lead wire 221 includes a transition section 2213, which connects the first fixed section 2211 and the coil body 222. The transition section 2213 is bent and located in the clearance space 3114.

[0041] Specifically, during the movement of the voice coil 22, the coil body 222 will cause the transition section 2213 to deform, causing the transition section 2213 to move up and down and undergo torsional deformation. In this embodiment, the transition section 2213 is set in the clearance space 3114, which can prevent the transition section 2213 from colliding with the first magnetic plate 31 and the shell 41.

[0042] In some implementations, such as Figures 6-7 As shown, two protrusions 412 protrude from the inner surface 4111, with the platform of the protrusions 412 facing the diaphragm 21. The window 411 can be a rectangular window. The two protrusions 412 are located at two adjacent apex corners of the rectangular window. Further reference... Figure 3 and Figure 4 As shown, there are two connecting parts 1, which are correspondingly arranged with two protrusions 412. The electrical contact 11 has an electrical contact surface 111, at least a portion of which is exposed on the platform of the protrusion 412. The two second fixing segments 2212 are electrically connected to the two electrical contact surfaces 111 respectively. In this embodiment, the two protrusions 412 are used to support the electrical contact 11, so that the two electrical contact 11 are as close as possible to the first magnetic plate 31. At the same time, the electrical contact 11 and the first magnetic plate 31 are spaced apart to avoid short circuit between them.

[0043] In some implementations, such as Figures 6-8 As shown, the first magnetic plate 31 includes multiple connectors 313, and adjacent magnetic flanges 311 are connected by connectors 313. Each connector 313 includes two fourth flanges 3131, which are respectively disposed laterally on the two bosses 412 (i.e., on the side of the bosses 412 near the center of the mounting window 411). A third flange 3113 connects the first flange 3111 and the third flange 3113, forming a partial magnetic gap 33 with the first magnetic part 32. In this embodiment, the connectors 313 conduct magnetic force between the multiple magnetic flanges 311, while the two fourth flanges 3131 further increase the length of the magnetic gap 33, making the Ampere force acting on the voice coil 22 more balanced.

[0044] In some implementations, such as Figure 6 and Figure 8 As shown, the first groove 51 extends in a straight line toward the diaphragm 21. The first groove 51 has a notch 513, which is located at the end of the first groove 51 away from the connecting part 1 and communicates with the clearance space 3114. When the vibrating part 2 is in a stationary state, the lead wire 221 extends into the first groove 51 through the notch 513. Thus, bending of the lead wire 221 is minimized in the axial direction of the voice coil 22, reducing the stress caused by deformation of the lead wire 221 and affecting the movement of the vibrating part 2.

[0045] In some implementations, such as Figure 6As shown, the first groove 51 includes a first extension segment 511 and a second extension segment 512 in the extending direction. One end of the second extension segment 512 is connected to the first extension segment 511, and the other end extends towards the corresponding connecting portion 1. A notch 513 is formed at the end of the first extension segment 511 away from the second extension segment 512. The bottom surface of the first extension segment 511 is inclined away from the diaphragm 21 on the side near the notch 513. In this embodiment, the bottom surface of the first extension segment 511 and the bottom surface of the second extension segment 512 are both flat, and the bottom surface of the first extension segment 511 has a slope.

[0046] Optionally, adhesive can be applied to the second extension 512 to bond the first fixing section 2211 to the second extension 512, while the first extension 511 itself is not coated with adhesive. During the movement of the diaphragm 21 toward the first magnetic plate 31, the coil 222 will cause the transition section 2213 to move downwards. In this configuration, the transition section 2213 can also cause the first fixing section 2211 located on the first extension 511 to move downwards together. Therefore, the inclined first extension 511 reduces the stress between the lower edge of the notch 513 and the lead wire 221. Simultaneously, it reduces the deformation amplitude of the transition section 2213, increasing the service life of the lead wire 221.

[0047] In some implementations, such as Figures 3-5 As shown, the magnetic circuit system 3 also includes a second magnetic plate 34 and two second magnetic parts 35 corresponding to the two first flanges 3111. The first magnetic parts 32 and the second magnetic parts 35 abut against the second magnetic plate 34. Further referencing... Figure 7 As shown, the fixing body 312 includes two first fixing bodies 3121 corresponding to the two first flanges 3111. The first flanges 3111 are disposed on the side of the corresponding first fixing body 3121 near the first magnetic part 32, and the side of the first flanges 3111 facing away from the diaphragm 21 and at least part of the side of the first fixing body 3121 facing away from the diaphragm 21 abut against the corresponding second magnetic part 35.

[0048] In this embodiment, the two second magnetic parts 35 participate in the magnetic circuit. The two first flanges 3111 and the two first fixing bodies 3121 increase the contact area between the second magnetic parts 35 and the first magnetic plate 31, which helps to optimize the magnetic field line distribution of the first magnetic plate 31.

[0049] In some implementations, such as Figure 7As shown, the housing 41 has a mounting surface 413, which is opposite to the diaphragm 21 and adjacent to the mounting window 411. The first flange 3111 includes a first positioning surface 4131, and the first fixing body 3121 includes a second positioning surface 4132. The first positioning surface 4131, the second positioning surface 4132, and the mounting surface 413 are flush. The first positioning surface 4131 and the second positioning surface 4132 are exposed on the mounting surface 413, and the second magnetic part 35 abuts against the first positioning surface 4131, the second positioning surface 4132, and a portion of the mounting surface 413.

[0050] Specifically, in this embodiment, there are two mounting surfaces 413, located on opposite sides of the two first fixing bodies 3121. This achieves mutual positioning between the second magnetic part 35, the shell part 41, and the first magnetic plate 31.

[0051] In some implementations, such as Figure 3 and Figure 5 As shown, the housing 41 includes a top shell 414 and a side shell 415. The top shell 414 has a mounting window 411 and a mounting surface 413. The diaphragm 21 is connected to the top shell 414. The side shell 415 surrounds the top shell 414 and protrudes away from the diaphragm 21. The side of the second magnetic part 35 abuts against the inner wall of the side shell 415. The frame 4 also includes a base plate 42, which is fixedly connected to the side of the side shell 415 away from the top shell 414 and forms a sound chamber 43 with the housing 41 and the diaphragm 21. The magnetic circuit system 3 is located in the sound chamber 43. Thus, the horizontal position of the two second magnetic parts 35 is positioned by the side shell 415, for example, by bonding the second magnetic parts 35 to the mounting surface 413 and the inner wall of the side shell 415 with adhesive, preventing the second magnetic parts 35 from easily moving.

[0052] Figure 9 This is an exploded view of the connecting part 1, the magnetic circuit system 3, and the shell part 41 provided in the first embodiment.

[0053] In some implementations, such as Figure 9As shown, the shell portion 41 also includes two first limiting posts 441 and two second limiting posts 442, with the first limiting posts 441 and the second limiting posts 442 protruding from the mounting surface 413. The two first limiting posts 441 are located on both sides of one first fixing body 3121, and the two second limiting posts 442 are located on both sides of another first fixing body 3121. The edge of the second magnetic plate 34 abuts against the two first limiting posts 441, the two second limiting posts 442, and the inner wall of the side shell 415, and the side of the second magnetic part 35 abuts against the space between the two first limiting posts 441 or the space between the two second limiting posts 442. In this embodiment, the positions of the second magnetic plate 34 and the two second magnetic parts 35 are restricted by the spaced-apart first limiting posts 441 and the spaced-apart second limiting posts 442, simplifying the installation method of the magnetic circuit system 3. At the same time, it ensures that the two second magnetic parts 35 are stably abutted against the first magnetic plate 31.

[0054] In some implementations, such as Figure 6 and Figure 8 As shown, the shell portion 41 has two second grooves 52 corresponding to the two bosses 412, and the second grooves 52 face the diaphragm 21. One end of the second groove 52 faces the top of the corresponding boss 412, and the other end extends away from the second flange 3112 and is formed on the outer surface of the shell portion 41.

[0055] In this embodiment, the two second wire slots 52 are used to shape the leads 221 installed in the magnetic gap 33. For example... Figure 8 As shown, when the coil 222 is inserted into the magnetic gap 33, the operator can pull the ends of the two leads 221 out from the two second wire slots 52 respectively (as shown by arrow a1). The cut section 2214 can be fixed using a fixing device, and then the transition section 2213 is pulled using a shaping tool (as shown by arrow a2) to make the leads 221 meet the predetermined shape requirements. This ensures that the first fixing section 2211 can pass through the electrical contact surface 111, and the second fixing section 2212 can pass through the first wire slot 51, facilitating the fixing and connection of the leads 221 and reducing the internal stress of the leads 221. Finally, the cut section 2214 is cut off using a tool.

[0056] Optionally, two sealing blocks can be used to seal the outward-facing port of the second cable groove 52 to prevent sound leakage from the tweeter module.

[0057] In some implementations, such as Figure 3 , Figure 6 and Figure 8 As shown, the bottom surface of the second groove 52 is connected to the platform surface of the corresponding boss 412, and a portion of the electrical contact surface 111 is exposed in at least a part of the bottom surface of the second groove 52.

[0058] Figure 8 The figure illustrates a specific form of the electrical contact surface 111. As can be seen from the figure, the end of the cut lead 221 is located at the top of the electrical contact surface 111. This increases the contact area between the second fixed segment 2212 and the electrical contact surface 111.

[0059] In some implementations, such as Figures 4-5 As shown, the connecting portion 1 also includes a connecting arm 13 and an elastic arm 14. The connecting arm 13 is connected between the electrical contact body 11 and the elastic arm 14. The connecting arm 13 is an insert disposed in the housing portion 41. The elastic arm 14 extends from the outer surface of the housing portion 41 and forms a contact point 12 at its end. The elastic arm 14 has an elastic bending amount toward and / or away from the housing portion 41.

[0060] Optionally, such as Figure 5 As shown, by pressing down the tweeter module, the elastic arm 14 bends toward the side shell 415, causing the two contacts 12 to abut against the pads of the control circuit to achieve an electrical connection.

[0061] In some implementations, such as Figure 6 As shown, the housing 41 also includes two latches 61 and lugs 62, which protrude from the side housing 415. The two latches 61 extend in opposite directions, and the protrusion direction of the lugs 62 is perpendicular to the protrusion direction of the two latches 61. The lugs 62 have a connecting through hole 621. In this embodiment, the tweeter module can be inserted into the mounting slot of the electronic device (as shown by arrow a3), so that the two latches 61 are engaged inside the mounting slot. Then, a screw is passed through the connecting through hole 621 (as shown by arrow a4 in the figure), and the lugs 62 are connected to the threaded hole of the mounting slot by the screw.

[0062] In some implementations, such as Figure 3 As shown, the base plate 42 has a vent hole 421, which communicates with the sound chamber 43. The tweeter module also includes a vent patch 45, which is attached to the edge of the vent hole 421 facing the sound chamber 43 or away from the sound chamber 43.

[0063] Specifically, in this embodiment, the breathable patch 45 is affixed to the edge of the vent 421 away from the sound chamber 43. That is, the breathable patch 45 is affixed to the outer surface of the base plate 42. This prevents dust from entering the sound chamber 43. At the same time, the vent 421 connects the sound chamber 43 to the outside of the tweeter module, effectively preventing pressure changes within the sound chamber 43 from affecting the deformation of the diaphragm 21 when the diaphragm 21 vibrates and causes changes in the volume of the sound chamber 43.

[0064] In an alternative implementation, the tweeter module described in the above embodiments can be applied to an electronic device. This electronic device includes, but is not limited to, mobile phones, computers, or wearable devices.

[0065] In summary, the electronic device in this embodiment has multiple magnetic flanges 311 and fixing bodies 312 on the first magnetic plate 31, and electrical contacts 11 and contacts 12 on the connecting part 1, so as to connect with the lead 221 of the voice coil 22 through the electrical contacts 11. The magnetic flanges 311 and the first magnetic part 32 form a magnetic gap 33 to drive the voice coil 22 to move. Thus, the shell part 41 is configured as an injection molded part, and the fixing body 312 and the electrical contacts 11 are set as inserts in the shell part 41. This allows the first magnetic plate 31 and the connecting part 1 to be directly fixedly connected to the shell part 41, eliminating the fixing process and reducing the volume occupied by the tweeter module. In addition, the control circuit can drive the voice coil 22 through the contacts 12 provided on the outside of the frame 4.

[0066] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principle of this utility model should be included within the protection scope of this utility model.

Claims

1. A tweeter module, characterized in that, The tweeter module includes: The connecting part includes an elastic arm, the elastic arm including a contact point; The vibrating part includes a diaphragm and a voice coil, wherein the voice coil includes leads; A magnetic circuit system includes a first magnetic plate and a first magnetic part. The first magnetic plate includes a plurality of magnetic flanges, the magnetic flanges forming a magnetic gap with the first magnetic part, and at least a portion of the voice coil is disposed in the magnetic gap. A basin frame includes a shell, a diaphragm fixedly connected to the shell, the shell being an injection molded part, a portion of the first magnetic plate and a portion of the connecting part being inserts disposed in the shell, and the lead wire being electrically connected to the connecting part, and one end of the elastic arm having the contact point extending from the outer surface of the shell.

2. The tweeter module according to claim 1, characterized in that, The connecting portion includes an electrical contact body, which is disposed as an insert in the housing portion; The plurality of magnetically conductive flanges include: Two first flanges are disposed opposite to each other. Each first flange has a first groove, which is recessed along the axial direction of the voice coil and extends along the length direction of the first flange. The number of leads is two, and each lead is respectively set to correspond to one of the two first wire slots. Each lead includes a first fixed section and a second fixed section. The first fixed section is fixed to the corresponding first wire slot, and the second fixed section is fixed to the corresponding electrical contact.

3. The tweeter module according to claim 2, characterized in that, The shell portion includes a mounting window that extends through the shell portion and has an inner side surface; The plurality of magnetically conductive flanges further include: The second flange and the third flange are arranged opposite to each other. In the length direction of the first flange, the second flange and the third flange are located on both sides of the two first flanges, and a plurality of magnetically conductive flanges extend from the inner side to the first magnetic part.

4. The tweeter module according to claim 3, characterized in that, The first flange and the second flange are spaced apart, and a clearance space is formed between the first flange, the second flange and the inner side surface; The voice coil also includes a coil body: The lead wire includes a transition section that connects the first fixed section and the coil body. The transition section is bent and located in the clearance space.

5. The tweeter module according to claim 4, characterized in that, The inner side is provided with two protrusions, and the platform of the protrusions faces the diaphragm; The number of the connecting parts is two and they are arranged corresponding to the two protrusions. The electrical contact body has an electrical contact surface, at least a portion of which is exposed on the platform of the protrusion. The two second fixing segments are electrically connected to the two electrical contact surfaces respectively.

6. The tweeter module according to claim 5, characterized in that, The first magnetic plate includes multiple connectors, and two adjacent magnetic flanges are connected through the connectors; The plurality of connecting bodies include two fourth flanges, which are respectively disposed on the sides of the two bosses. The third flange is connected between the first flange and the third flange and forms part of the magnetic gap with the first magnetic part.

7. The tweeter module according to claim 4, characterized in that, The first groove extends in a straight line toward the diaphragm and has a notch located at the end of the first groove away from the connection portion and communicating with the clearance space. The lead wire extends into the first wire groove through the notch.

8. The tweeter module according to claim 7, characterized in that, The first groove includes a first extension section and a second extension section in the extension direction. One end of the second extension section is connected to the first extension section, and the other end extends toward the corresponding connecting part. The notch is formed at the end of the first extension segment away from the second extension segment, and the bottom surface of the first extension segment is inclined away from the diaphragm on the side near the notch.

9. The tweeter module according to claim 3, characterized in that, The magnetic circuit system further includes a second magnetic plate and two second magnetic parts corresponding to the two first flanges, wherein the first magnetic parts and the second magnetic parts abut against the second magnetic plate. The first magnetic plate includes a fixing body, which is an insert disposed on the shell portion. The fixing body includes two first fixing bodies corresponding to the two first flanges. The first flange is disposed on the side of the corresponding first fixing body near the first magnetic part. The side of the first flange away from the diaphragm and at least a portion of the side of the first fixing body away from the diaphragm abut against the corresponding second magnetic part.

10. The tweeter module according to claim 9, characterized in that, The housing has a mounting surface that is opposite to the diaphragm and adjacent to the mounting window; The first flange includes a first positioning surface, the first fixing body includes a second positioning surface, and the first positioning surface, the second positioning surface and the mounting surface are flush; The second magnetic part abuts against the first positioning surface, the second positioning surface, and part of the mounting surface.

11. The tweeter module according to claim 10, characterized in that, The shell includes a top shell and a side shell. The top shell has the mounting window and the mounting surface. The diaphragm is connected to the top shell. The side shell surrounds the top shell and protrudes away from the diaphragm. The side of the second magnetic part abuts against the inner wall of the side shell. The frame also includes a base plate, which is fixedly connected to the side shell away from the top shell and forms a sound chamber with the shell and the diaphragm, and the magnetic circuit system is located in the sound chamber.

12. The tweeter module according to claim 11, characterized in that, The shell also includes two first limiting posts and two second limiting posts, the first limiting posts and the second limiting posts protruding from the mounting surface, the two first limiting posts being located on both sides of one first fixing body, and the two second limiting posts being located on both sides of another first fixing body; The edge of the second magnetic plate abuts against the two first limiting posts, the two second limiting posts, and the inner wall of the side shell, and the side of the second magnetic part abuts against the two first limiting posts or the two second limiting posts.

13. The tweeter module according to claim 5, characterized in that, The shell portion has two second grooves corresponding to the two protrusions. The second grooves face the diaphragm, with one end facing above the platform of the corresponding protrusion and the other end extending away from the second flange and formed on the outer surface of the shell portion.

14. The tweeter module according to claim 13, characterized in that, The bottom surface of the second groove is connected to the platform surface of the corresponding boss, and a portion of the electrical contact surface is exposed in at least a part of the bottom surface of the second groove.

15. The tweeter module according to claim 1, characterized in that, The connecting portion further includes a connecting arm and an electrical contact body. The connecting arm is connected between the electrical contact body and the elastic arm. The connecting arm and the electrical contact body are inserts disposed in the housing portion. The elastic arm extends from the outer surface of the housing portion and its end forms the contact point. The elastic arm has an elastic bending amount that approaches and / or moves away from the shell.

16. The tweeter module according to claim 11, characterized in that, The shell also includes two latches and lugs. The two latches and lugs protrude from the side shell. The two latches extend in opposite directions, and the lugs extend in a direction perpendicular to the direction of the two latches. The lugs have connecting through holes.

17. The tweeter module according to claim 11, characterized in that, The base plate has ventilation holes, which are connected to the sound chamber; The tweeter module also includes a breathable patch, which is attached to the edge of the vent hole facing the sound chamber or away from the sound chamber.

18. An electronic device, characterized in that, The electronic device includes: The tweeter module according to any one of claims 1-17.

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