Flat panel loudspeaker and electronic equipment

Abstract

The flat panel loudspeaker comprises a support, a bridge frame, a vibrating diaphragm, a voice coil, a damper, a washer, a magnet and U iron, the bridge frame is arranged on the middle upper portion in the support frame, the vibrating diaphragm is arranged on the bridge frame, the edge of the vibrating diaphragm extends to the position above the support frame, the first end of the voice coil is matched with the lower side of the bridge frame, the first end of the voice coil extends into the lower portion of the bridge frame, and the second end of the voice coil extends into the lower portion of the bridge frame. The voice coil is electrically connected with a terminal, the terminal penetrates out of the support and extends to the outer side of the support, the damper is installed on the upper middle portion in the voice coil through a damper fixing frame, the washer is arranged on the lower portion in the voice coil, the magnet is arranged below the washer in the voice coil, the lower portion of the magnet extends out of the voice coil, the U iron is arranged on the magnet and the voice coil in a sleeving mode, and the lower portion of the U iron penetrates out of the support and extends to the lower side of the support. The utility model has the advantages that the undesirable phenomena such as partial shock, swing and distortion can be reduced and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of loudspeakers, and in particular relates to a flat-panel loudspeaker and electronic equipment. Background Art

[0002] With technological advancements and the growth of the electronics market, electronic devices such as mobile phones, tablets, MP3 and MP4 players, and other communications products are increasingly demanding higher sound quality from their acoustic components. Acoustic components are also being developed towards miniaturization, thinness, and high sound quality. Flat-panel speakers are now widely used in daily life. However, due to limitations in their size and internal structure, flat-panel speakers are prone to side effects such as vibration, wobble, and distortion. Utility Model Content

[0003] In order to solve the deficiencies in the prior art, the utility model provides a flat panel loudspeaker and an electronic device which can reduce adverse phenomena such as partial vibration, swing, and distortion.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] Flat panel speakers, including:

[0006] Bracket;

[0007] The bridge is arranged in the upper middle part of the bracket;

[0008] A diaphragm is arranged on the bridge and an edge of the diaphragm extends above the bracket;

[0009] a voice coil, wherein a first end of the voice coil is adapted to the lower side of the bridge and extends into the lower portion of the bridge, and a terminal is electrically connected to the voice coil and extends through the bracket to the outside of the bracket;

[0010] The spider is installed in the upper middle part of the voice coil through the spider fixing frame;

[0011] Washer, located in the lower part of the voice coil;

[0012] A magnet is disposed below the washer in the voice coil, with the lower portion of the magnet extending out of the voice coil;

[0013] and a U iron which is sleeved on the magnet and the voice coil, and the lower part of the U iron passes through the bracket and extends to the lower side of the bracket.

[0014] Preferably, the bridge frame comprises a base, a top surface part and a side rib part, the base is annular, the top surface part comprises a first left support beam, a second left support beam, a first right support beam and a second right support beam, the side rib part comprises a first side rib, a second side rib, a third side rib, a fourth side rib, a fifth side rib, a sixth side rib, a seventh side rib and an eighth side rib, the first left support beam and the second left support beam are left and right spaced on the upper left side of the base, the first right support beam and the second right support beam are left and right spaced on the upper right side of the base, the front side and the back side of the first left support beam are connected with the base through the first side rib and the second side rib respectively, the front side and the back side of the second left support beam are connected with the base through the third side rib and the fourth side rib respectively, the front side and the back side of the first right support beam are connected with the base through the fifth side rib and the sixth side rib respectively, and the front side and the back side of the second right support beam are connected with the base through the seventh side rib and the eighth side rib respectively, the first end of the voice coil is matched with the base and the first end of the voice coil extends into the base, and the diaphragm is arranged on the first left support beam, the second left support beam, the first right support beam and the second right support beam.

[0015] Preferably, the diaphragm comprises a body and a suspension edge arranged around the edge of the body, the suspension edge extends above the support frame, the body comprises an upper paper layer, a honeycomb core layer and a lower paper layer arranged in sequence from top to bottom, and the lower paper layer is adhesively connected with the first left support beam, the second left support beam, the first right support beam and the second right support beam.

[0016] Preferably, the damper fixing frame is in the shape of an inverted bowl, and the damper is adhesively connected with the damper fixing frame.

[0017] Preferably, the voice coil is adhesively connected with the base, the damper fixing frame is adhesively connected with the voice coil, and the damper is adhesively connected with the voice coil.

[0018] Preferably, the electronic device further comprises an additional weight gasket arranged on the lower side of the lower paper layer.

[0019] The utility model discloses an electronic device further comprising the above flat panel loudspeaker.

[0020] The above technical solution has the following beneficial effects:

[0021] (1) The utility model discloses a bridge frame and other structures, the voice coil is correspondingly arranged with the base of the bridge frame, and the voice coil is located in the voice coil, the voice coil and the base of the bridge frame are located in the region close to the middle part, and the utility model discloses when using, the voice coil can evenly transmit force to the body, thereby can reduce the eccentric vibration phenomenon.

[0022] (2) the elastic wave of the utility model is connected between the elastic wave and the elastic wave fixing frame, the elastic wave fixing frame and the elastic wave are connected between the elastic wave fixing frame and the elastic wave, the elastic wave and the voice coil are connected by gluing, and the utility model can prevent the utility model from deviating, swinging and distorting when vibrating, greatly improves the bearing power, effectively reduces the abnormal sound, distortion and other bad phenomena, and the utility model comprises an upper paper layer, a honeycomb core material layer and a lower paper layer arranged in sequence from top to bottom, can realize ultralight, high strength and high performance, makes the sound more real, makes the sound field of the utility model more open, and has higher sensitivity;

[0023] In summary, the utility model has the advantages of reducing deviation, swinging, distortion and other bad phenomena. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structural schematic view of the utility model;

[0025] Figure 2 is a structural schematic view of the elastic wave fixing frame of the utility model;

[0026] Figure 3 is a structural schematic view of the bridge of the utility model;

[0027] Figure 4 is a structural schematic view of the bridge of the utility model in another direction;

[0028] Figure 5 is a structural schematic view of the bridge of the utility model in another direction. DETAILED DESCRIPTION

[0029] The technical solutions of the utility model will be described clearly and completely in combination with the drawings, and obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0030] The components of the embodiments of the utility model described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model.

[0031] Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0032] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0034] Example 1

[0035] In this embodiment, a flat panel speaker and an electronic device are provided, which can reduce undesirable phenomena such as vibration, sway, and distortion.

[0036] like Figures 1-5 As shown, in one embodiment of the present invention, the flat-panel speaker of the present invention includes a bracket 1, a bridge 2, a diaphragm 3, a voice coil 4, a damper 5, a washer 6, a magnet 7 and a U-iron 8, wherein the bridge 2 is arranged in the middle and upper part of the bracket 1, the diaphragm 3 is arranged on the bridge 2 and the edge of the diaphragm 3 extends to the top of the bracket 1, the first end of the voice coil 4 is adapted to the lower side of the bridge 2 and the first end of the voice coil 4 extends into the lower part of the bridge 2, the voice coil 4 is electrically connected to a terminal 41 and the terminal 41 passes through the bracket 1 and extends to the outside of the bracket 1, the damper 5 is installed in the middle and upper part of the voice coil 4 through the damper fixing frame 51, the washer 6 is arranged in the lower part of the voice coil 4, the magnet 7 is arranged in the voice coil 4 below the washer 6 and the lower part of the magnet 7 extends out of the voice coil 4, the U-iron 8 is sleeved on the magnet 7 and the voice coil 4 and the lower part of the U-iron 8 passes through the bracket 1 and extends to the lower side of the bracket 1, for specific reference. Figures 3-5The bridge 2 comprises a base 21, a top surface part and a side rib part, the base 21 is annular, the top surface part comprises a first left support rib 221, a second left support rib 222, a first right support rib 223 and a second right support rib 224, the side rib part comprises a first side rib 231, a second side rib 232, a third side rib 233, a fourth side rib 234, a fifth side rib 235, a sixth side rib 236, a seventh side rib 237 and an eighth side rib 238, the first left support rib 221 and the second left support rib 222 are located on the upper left side of the base 21 with a left-right interval, the first right support rib 223 and the second right support rib 224 are located on the upper right side of the base 21 with a left-right interval, the front side and the back side of the first left support rib 221 are connected with the base 21 through the first side rib 231 and the second side rib 232 respectively, the front side and the back side of the second left support rib 222 are connected with the base 21 through the third side rib 233 and the fourth side rib 234 respectively, a first reinforcing rib 239 is further arranged between the second left support rib 222 and the base 21, the front side and the back side of the first right support rib 223 are connected with the base 21 through the fifth side rib 235 and the sixth side rib 236 respectively, a second reinforcing rib 240 is further arranged between the first right support rib 223 and the base 21, the front side and the back side of the second right support rib 224 are connected with the base 21 through the seventh side rib 237 and the eighth side rib 238 respectively, the first end of the voice coil 4 is matched with the base 21 and the first end of the voice coil 4 extends into the base 21, the diaphragm 3 is arranged on the first left support rib 221, the second left support rib 222, the first right support rib 223 and the second right support rib 224, the bridge 2 as a whole adopts a polypropylene homopolymer LCF20-PP 1014NAT material which is heat-resistant, high-rigidity and light in quality, the overall shape of the bridge 2 is matched with the cuboid shape of the flat panel loudspeaker unit of the utility model, the voice coil 4 is connected with the base 21 through gluing, the first left support rib 221, the second left support rib 222, the first right support rib 223 and the second right support rib 224 have four ribs in total, and the surface is designed through concave-convex stripes, so as to effectively reduce the vibration mass and improve the connecting effect between the diaphragm 3, the base 21 part is designed according to the shape of the voice coil 4, the side rib part is designed in a rib mode, and the force of the voice coil 4 during the up-down movement during the working of the flat panel loudspeaker of the utility model can be uniformly transmitted to the diaphragm 3, so as to effectively reduce the eccentric vibration phenomenon;

[0037] The diaphragm 3 of the present invention includes a body and a hanging edge arranged around the edge of the body, the hanging edge extends above the bracket 1, the body includes an upper paper layer, a honeycomb core material layer and a lower paper layer arranged in sequence from top to bottom, the lower paper layer is glued to the first left supporting rib 221, the second left supporting rib 222, the first right supporting rib 223 and the second right supporting rib 224, the elastic wave fixing frame 51 is in an inverted bowl shape, the elastic wave 5 is glued to the elastic wave fixing frame 51, the voice coil 4 is glued to the base 21, and the elastic wave fixing frame 51 is in an inverted bowl shape. The fixed frame 51 is adhesively connected to the washer 6, and the damper 5 is adhesively connected to the voice coil 4. The utility model also includes a high-density, low-compression-deformation, microporous cell-structured weighted gasket 9, which is arranged on the lower side of the lower paper layer. The overall structure of the carcass, which is configured as an upper paper layer, a honeycomb core layer, and a lower paper layer, achieves ultra-lightness, high strength, and high performance, thereby reducing sound distortion, making the sound more realistic and clear, and making the sound field of the flat-panel speaker of the utility model more open and sensitive.

[0038] The damper mounting bracket 51 of the present invention is made of SABIC's highly heat-resistant, flame-retardant, impact-resistant modified polycarbonate (PC) CY6414. The top platform of the damper mounting bracket 51 is effectively bonded to the damper 5 via adhesive, while the bottom platform of the damper mounting bracket 51 is effectively bonded to the washer 6 via adhesive, effectively connecting the damper 5 and washer 6. The damper 5 in this design is made of a material that is impact-resistant, fatigue-resistant, high-power-resistant, highly flame-retardant, and waterproof. When an AC current signal is input from terminal 41, the voice coil 4 is affected by the magnetic circuit system and vibrates up and down. The voice coil 4 transmits force to the body of the speaker via the bridge 2, causing the flat-panel speaker of the present invention to vibrate up and down. Furthermore, the voice coil 4 is fixedly connected to the magnetic circuit system (such as the magnet 7) through the damper 5 and the damper mounting bracket 51, effectively preventing polarization and swaying of the flat-panel speaker of the present invention during vibration, thereby significantly improving the power handling capacity of the flat-panel speaker of the present invention and effectively reducing abnormal sound, distortion, and other undesirable effects.

[0039] The utility model also discloses an electronic device, comprising the flat-panel loudspeaker.

[0040] This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model are within the scope of protection of the technical solution of the utility model.

Claims

1. Flat panel speaker, characterized in that, include: Bracket; The bridge is arranged in the upper middle part of the bracket; A diaphragm is arranged on the bridge and an edge of the diaphragm extends above the bracket; a voice coil, wherein a first end of the voice coil is adapted to the lower side of the bridge and extends into the lower portion of the bridge, and a terminal is electrically connected to the voice coil and extends through the bracket to the outside of the bracket; The spider is installed in the upper middle part of the voice coil through the spider fixing frame; Washer, located in the lower part of the voice coil; A magnet is disposed below the washer in the voice coil, with the lower portion of the magnet extending out of the voice coil; and a U iron which is sleeved on the magnet and the voice coil, and the lower part of the U iron passes through the bracket and extends to the lower side of the bracket.

2. The flat panel speaker according to claim 1, wherein: The bridge frame includes a base, a top portion and a side rib portion. The base is annular, and the top portion includes a first left supporting rib, a second left supporting rib, a first right supporting rib and a second right supporting rib. The side rib portion includes a first side rib, a second side rib, a third side rib, a fourth side rib, a fifth side rib, a sixth side rib, a seventh side rib and an eighth side rib. The first left supporting rib and the second left supporting rib are located on the upper left side of the base at intervals, and the first right supporting rib and the second right supporting rib are located on the upper right side of the base at intervals. The front and rear sides of the first left supporting rib are respectively connected to the base through the first side rib and the second side rib, the front and rear sides of the second left supporting rib are respectively connected to the base through the third side rib and the fourth side rib, the front and rear sides of the first right supporting rib are respectively connected to the base through the fifth side rib and the sixth side rib, and the front and rear sides of the second right supporting rib are respectively connected to the base through the seventh side rib and the eighth side rib. The first end of the voice coil is adapted to the base and the first end of the voice coil extends into the base. The diaphragm is arranged on the first left supporting rib, the second left supporting rib, the first right supporting rib and the second right supporting rib.

3. The flat panel speaker according to claim 2, wherein: The diaphragm includes a carcass and a hanging edge arranged around the edge of the carcass, the hanging edge extends to the top of the bracket, the carcass includes an upper paper layer, a honeycomb core material layer and a lower paper layer arranged in sequence from top to bottom, and the lower paper layer is adhesively connected to the first left supporting rib, the second left supporting rib, the first right supporting rib and the second right supporting rib.

4. The flat panel speaker according to claim 1, wherein: The damper fixing frame is in an inverted bowl shape, and the damper is adhesively connected to the damper fixing frame.

5. The flat panel speaker according to claim 2, wherein: The voice coil is glued to the base, the elastic wave fixing frame is glued to the washer, and the elastic wave is glued to the voice coil.

6. The flat panel speaker according to claim 3, wherein: The utility model further comprises a weighted spacer, which is arranged on the lower side of the lower paper layer.

7. Electronic equipment, characterized in that: The flat panel speaker comprises the flat panel speaker according to any one of claims 1 to 6.

Images