CN219740607U

CN219740607U - Loudspeaker

Info

Publication number: CN219740607U
Application number: CN202321228810.3U
Authority: CN
Inventors: 陈青杰
Original assignee: Xiamen Senner Technology Co ltd
Current assignee: Xiamen Senner Technology Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-09-22
Anticipated expiration: 2033-05-19

Abstract

The utility model relates to the field of speakers, and provides a speaker, which comprises a support system, a vibration system and a magnetic circuit system, wherein the support system comprises a base frame and an elastic sheet; the vibration system is arranged on a port of the base frame, and a diaphragm dome and a voice coil are arranged on the diaphragm; the magnetic circuit system comprises a U cup, a magnet and a washer, and a U cup positioning hole for accommodating the U cup is formed in the base frame. The diaphragm dome is arranged on the outer side face of the diaphragm, and the thickness of the diaphragm dome is counteracted by utilizing the groove structure of the diaphragm, so that the purpose of reducing the height of the loudspeaker is achieved. The U cup and the base frame are in alignment clamping, and the lead wire avoiding groove and the base frame are designed, so that the lead wire of the voice coil is formed to be in space relief after the U cup and the base frame are clamped, and therefore when the voice coil vibrates up and down, the lead wire has enough space to follow and move, the possibility of touch of the lead wire and other devices in the loudspeaker is eliminated, meanwhile, the thickness of the base frame can be reduced, and the purpose of reducing the thickness of the whole loudspeaker is achieved.

Description

Loudspeaker

Technical Field

The utility model relates to the field of speakers, in particular to a speaker.

Background

The speaker is usually referred to as a moving coil speaker, and its working principle (physical principle) is similar to that of a conventional moving coil speaker: the voice coil is arranged in a magnetic gap of a permanent magnet magnetic circuit, and is driven to vibrate up and down by the electromagnetic field force (Lorentz force) generated by the change of current, and drives the vibrating membrane to drive front and back air to generate sound waves.

The frame structure of the speaker is used for connecting and fixing various components in the speaker, for example: magnets, voice coils, diaphragms, washer and diaphragm dome, and the like. In a small-sized speaker, it is important to reasonably design the layout of the structure while ensuring the sound quality of the speaker. However, the conventional speakers have contradictions in the design of body type and sound quality, and if the body type size is reduced, the corresponding sound quality is reduced, and it is difficult to achieve the purpose of compatibility.

Disclosure of Invention

The utility model aims to provide a loudspeaker, which aims to solve the problem that the existing loudspeaker cannot be compatible with small size and tone quality.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a speaker, comprising:

the support system comprises a base frame and an elastic sheet injection-molded in the base frame;

a vibration system disposed on a port of the base frame, the vibration system including a diaphragm, a diaphragm dome disposed on an outer membrane surface of the diaphragm, and a voice coil disposed on an inner side surface of the diaphragm; a kind of electronic device with high-pressure air-conditioning system

The magnetic circuit system comprises a U cup, a magnet arranged in the U cup and a washer arranged on the top surface of the magnet, wherein a U cup positioning hole for accommodating the U cup is formed in the base frame, and the magnet and the washer are opposite to the inner ring of the voice coil.

Preferably, a U cup boss for bearing the magnet is arranged in the middle of the installation surface of the U cup.

Preferably, a lead avoidance groove is formed in the end portion of the mounting surface of the U-shaped cup, and a base frame avoidance groove opposite to the lead avoidance groove is formed in the base frame.

Preferably, the two ends of the U cup positioning hole extend inwards to form a convex edge for supporting the U cup.

Preferably, the two sides of the U-shaped cup positioning hole inwards extend to form a lead groove, the base frame avoiding groove is positioned between the lead groove and one side of the base frame avoiding groove, the other end of the lead groove is communicated with the other side of the base frame, and the base frame side wall of the base frame is provided with a lead notch.

Preferably, the elastic sheet penetrates through the base plate of the base frame, and the end face of the elastic sheet, which is positioned on the inner bottom surface of the base frame, is a lead welding point.

Preferably, the electrode assembly further comprises an electrode soldering lug, and one end of the electrode soldering lug is arranged on the elastic sheet.

After the technical scheme is adopted, compared with the background technology, the utility model has the following advantages:

1. the diaphragm dome is arranged on the outer side face of the diaphragm, the thickness of the diaphragm dome is counteracted by utilizing the groove structure of the diaphragm, so that the size influence caused by the structure of the diaphragm dome is eliminated, the purpose of reducing the size of the loudspeaker is achieved, and meanwhile, the sound quality of the loudspeaker can be guaranteed not to be reduced.

2. The U cup and the base frame are in alignment clamping, and the lead wire avoiding groove and the base frame are designed, so that the lead wire of the voice coil is formed to be in space relief after the U cup and the base frame are clamped, and therefore when the voice coil vibrates up and down, the lead wire has enough space to follow and move, the possibility of touch of the lead wire and other devices in the loudspeaker is eliminated, meanwhile, the thickness of the base frame can be reduced, and the purpose of reducing the thickness of the whole loudspeaker is achieved.

Drawings

Fig. 1 is a schematic structural diagram of a speaker according to the present utility model;

fig. 2 is a cross-sectional view of a speaker according to the present utility model;

fig. 3 is a partial view of a loudspeaker according to the utility model;

fig. 4 is an exploded view of a portion of a loudspeaker according to the present utility model.

Reference numerals illustrate:

1. a support system; 2. a vibration system; 3. a magnetic circuit system;

10. a spring plate; 101. a base frame;

1011. u cup locating hole; 1012. a convex edge; 1013. a wire slot; 1014. a wire notch;

1015. a lead welding spot; 1016. a pedestal avoiding groove;

1021. a U-shaped boss; 1022. a lead avoiding groove;

20. a membrane; 201. a diaphragm dome; 202. a voice coil;

30. a U-shaped cup; 300. a magnet; 301. washer;

40. electrode tab.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, it should be noted that:

the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, and do not denote or imply that the apparatus or elements of the present utility model must have a particular orientation, and thus should not be construed as limiting the utility model.

When an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the utility model will be understood by those skilled in the art according to the specific circumstances.

Examples

Referring to fig. 1 and 2, the present embodiment provides a speaker, which includes a support system 1, a vibration system 2 and a magnetic circuit system 3, wherein the support system 1 includes a base frame 101 and a spring plate 10 injection-molded in the base frame 101; a vibration system 2 is provided on a port of the base frame 101, the vibration system 2 including a diaphragm 20, a diaphragm dome 201 provided on an outer film surface of the diaphragm 20, and a voice coil 202 provided on an inner side surface of the diaphragm; the magnetic circuit system 3 comprises a U cup 30, a magnet 300 arranged in the U cup 30 and a washer 301 arranged on the top surface of the magnet 300, a U cup positioning hole 1011 for accommodating the U cup 30 is arranged on the base frame 101, and the magnet 300 and the washer 301 are arranged opposite to the inner ring of the voice coil 202. The magnet 300 is located at the inner ring position of the voice coil 202, so that the voice coil 202 moves linearly along the axial direction of the magnet 300 to drive the diaphragm 20 to vibrate.

Specifically, the support system 1 is formed by splicing the U-cup 30, that is, the U-cup 30 and the base frame 101 are assembled and formed in a clamping manner, then the magnet 300 and the washer 301 are mounted on the U-cup 30, then the diaphragm 20 is mounted, and the voice coil 202 on the diaphragm 20 is sleeved on the magnet 300, so that the assembly of the loudspeaker is completed.

Further, the diaphragm dome 201 is mounted on the outer side surface of the diaphragm 20, and the thickness of the diaphragm dome 201 is counteracted by utilizing the groove structure of the diaphragm 20, so that the size influence caused by the structure of the diaphragm dome 201 is eliminated, and the purpose of reducing the volume of the loudspeaker is achieved; meanwhile, the design of the diaphragm dome can improve the high-frequency sensitivity of the loudspeaker and balance the vibration effect of the diaphragm, so that the tone quality of the loudspeaker cannot be reduced along with the size reduction.

Further, the grooves are designed on the U cup 30 and are installed on the base frame 101 in an assembling mode, so that structural characteristics can be conveniently designed through separation of the U cup 30 and the base frame 101, structural design of a loudspeaker is facilitated, for example, the magnet 300 and the voice coil 202 are installed on a base body, and some wiring structures and contacts for electric connection can be installed on the base frame 101, so that reasonable distribution of the structures is improved, and the purpose of compactly designing the loudspeaker is achieved.

As shown in fig. 2, in this embodiment, a U cup boss 1021 for carrying the magnet 300 is disposed in the middle of the mounting surface of the U cup 30, and meanwhile, a space is provided around the magnet 300 for accommodating the voice coil 202 for moving up and down, so that the magnet 300 is also positioned and placed by the design of the U cup boss 1021, and the mounting efficiency is improved.

As shown in fig. 3 and 4, the end of the mounting surface of the U cup 30 in this embodiment is provided with a lead avoiding groove 1022, and the base frame 101 is provided with a base frame avoiding groove 1016 aligned with the lead avoiding groove 1022. The design that groove 1022 and U cup boss 1021 are dodged to the lead wire is adjacent is on the installation face of U cup 30 for U cup 30 can carry out the block of counterpoint with the bed frame 101, and groove 1016 is dodged to the lead wire can form the lead wire of dodging voice coil 202 with the bed frame to lead wire dodge groove 1022, so that voice coil 202 when carrying out the vertical vibration, the lead wire that links to each other with voice coil 202 has sufficient space and follows the removal, the possibility that the lead wire touches with other devices in the speaker has been eliminated, simultaneously can reduce the thickness of bed frame 101, reach the purpose of reducing the thickness of whole speaker, make the thickness of speaker further reduce, reach ultra-thin purpose.

As shown in fig. 3 and 4, in this embodiment, a U-cup positioning hole 1011 for clamping a U-cup 30 is provided in the middle of the base frame 101, and convex edges 1012 for supporting the U-cup 30 are formed by extending inward on two ends of the U-cup positioning hole 1011, specifically, the U-cup positioning hole 1011 of the base frame 101 is designed, so that the base frame 101 is a frame structure, further the U-cup 30 is clamped in the U-cup positioning hole 1011 of the base frame 101, and the U-cup 30 is supported by the design of the convex edges 1012, so that the U-cup 30 can be firmly clamped in the base frame 101, and the production is performed in an assembling manner, so that the structure is convenient, and the speaker is structurally more compact.

As shown in fig. 3 and 4, in this embodiment, the spring sheet 10 is disposed through the bottom plate of the base frame 101, and the end surface of the spring sheet 10 located on the inner bottom surface of the base frame 101 is a lead welding spot 1015. After passing through the lead groove 1013, the lead wire led out by the voice coil 202 is connected to the lead wire welding point 1015, and is welded and connected, so that the purpose of welding the lead wire to the spring plate 10 (the spring plate may be a copper sheet) is achieved, and corresponding electrical connection is achieved.

Further, as shown in fig. 3 and 4, in this embodiment, two sides of the U-cup positioning hole 1011 extend inward to form a lead groove 1013, the base frame avoiding groove 1016 is located between the lead groove 1013 and one side flange 1012, the other end of the lead groove 1013 is communicated with the other flange 1012, and a lead notch 1014 is provided on the side wall of the base frame 101 located at the flange 1012.

The lead groove 1013 is designed on the base frame 101, and the lead groove 1013 facing one end of the base frame avoidance groove 1016 has a slope, so that at one end of the lead led out of the voice coil 202, the lead avoidance groove 1022 and the base frame avoidance groove 1016 can form lead avoidance for the voice coil 202, so that the lead vibrates up and down at the position, and the lead cannot touch other parts in the loudspeaker. Then, the lead wire of the voice coil 202 is led out from the lead slot 1013, the lead wire welding point 1015 to the lead wire notch 1014, and is welded and fixed at the lead wire welding point 1015, so as to achieve the purposes of wiring and positioning the lead wire, and improve the stability of the structural design.

Further, as shown in fig. 2, the embodiment further includes an electrode tab 40, and one end of the electrode tab 40 is disposed on the spring plate 10. Specifically, the electrode lug 40 can be fixed on the elastic sheet 10 in a welding mode, the electrode lug 40 comprises a plate surface part used for welding, a hooking groove is formed at one end of the plate surface part, one side opposite to the hooking groove is bent and extended to form an elastic block, the elastic block is hooked on the hooking groove, the elastic block can elastically swing at a certain distance along the hooking groove, and when the elastic block is jacked, the elastic block can give a certain reaction force by utilizing the elasticity of the elastic block, so that the electrode lug 40 can be jacked by the elasticity of the elastic block when contacting, and the stability of electricity connection is improved.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A loudspeaker, comprising:

2. A loudspeaker according to claim 1, wherein: the middle part of the installation surface of the U cup is provided with a U cup boss for bearing the magnet.

3. A loudspeaker according to claim 2, wherein: the U-shaped lead avoidance groove is formed in the end portion of the installation surface of the U-shaped cup, and a base frame avoidance groove opposite to the lead avoidance groove is formed in the base frame.

4. A loudspeaker according to claim 3, wherein: the two ends of the U cup positioning hole extend inwards to form a convex edge for supporting the U cup.

5. A loudspeaker according to claim 4, wherein: the U cup locating hole both sides inwards extend and form the lead wire groove, the bed frame dodges the groove and is located lead wire groove and one side between the chimb, the other end of lead wire groove with another the chimb is linked together and is set up, and is located the chimb be provided with the lead wire notch on the bed frame lateral wall.

6. A loudspeaker according to claim 1, wherein: the elastic sheet penetrates through the base plate of the base frame, and the end face of the elastic sheet, which is positioned on the inner bottom surface of the base frame, is a lead welding point.

7. A loudspeaker according to claim 6, wherein: the electrode welding piece is arranged on the elastic piece.