CN220809313U - Anti-vibration automobile loudspeaker and vehicle-mounted device - Google Patents
Anti-vibration automobile loudspeaker and vehicle-mounted device Download PDFInfo
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- CN220809313U CN220809313U CN202322757194.7U CN202322757194U CN220809313U CN 220809313 U CN220809313 U CN 220809313U CN 202322757194 U CN202322757194 U CN 202322757194U CN 220809313 U CN220809313 U CN 220809313U
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- loudspeaker
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- 230000001681 protective effect Effects 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The application provides a tremolo-proof automobile loudspeaker and an on-vehicle device, which relate to the technical field of vehicles.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a vibration-proof automobile loudspeaker and a vehicle-mounted device.
Background
The automobile instrument tweeter plays a decisive role in the whole instrument system, and can influence the style of the whole instrument sounding system. The high-frequency signal output by the instrument is replayed, and the indicator lamp signal of the high-frequency signal which needs to be broadcasted in the instrument is mainly broadcasted, so that the upper limit frequency of high-frequency playback reaches 20kHz of the upper limit frequency of human ear hearing, and therefore the caliber is smaller, and the vibrating diaphragm is tougher. Generally, the tweeter should be installed at a position as flat as possible with the human ear, for example, on the A column of an automobile, or above an instrument desk, and also on a vehicle door, so that a sound field is formed to be basically flat with the human ear, and a vehicle owner can also better realize an alarm prompt tone in the driving process, thereby timely processing the fault lamp state reported by the instrument and checking the state of the vehicle.
However, when the existing automobile instrument tweeter is installed on an automobile circuit board, because the automobile instrument tweeter is installed on the circuit board to form a sealing space, tremolo or distortion occurs during sounding, and user experience is affected.
Disclosure of utility model
In view of this, the embodiment of the application provides a tremolo-proof automobile speaker and an on-vehicle device, which adopts a sectional buffer pad to avoid tremolo phenomenon caused by a closed space formed at the bottom of the speaker, and the technical scheme of the embodiment of the application is as follows:
The embodiment of the application provides a anti-vibration automobile loudspeaker, which comprises a loudspeaker assembly and a buffer pad, wherein the bottom of the loudspeaker assembly is arranged on an automobile circuit board, and the buffer pad is arranged between the bottom of the loudspeaker assembly and the automobile circuit board; the buffer pad comprises a first pad body and a second pad body which are enclosed together, the shape of the enclosing of the first pad body and the second pad body is the same as that of the bottom surface of the loudspeaker assembly, at least one gap is reserved between the first pad body and the second pad body, and an external sound diffusion channel is formed between the bottom surface of the loudspeaker assembly and the automobile circuit board through the gap.
In some embodiments, the speaker assembly includes a housing, a speaker main body, a speaker circuit board and a protection cover, wherein the housing is in a cylindrical structure, the speaker circuit board is embedded at the lower end of the interior of the housing, the speaker main body is embedded at the upper end of the interior of the housing, the protection cover is arranged on one outward side of the speaker main body, two wires are led out of the speaker main body, the two wires are connected with the speaker circuit board, and the two wires are fixed on the automobile circuit board through the speaker circuit board.
In some embodiments, an annular mounting seat is arranged at the lower end of the inner wall of the shell, and the loudspeaker circuit board is fixedly connected with the annular mounting seat.
In some embodiments, the speaker body is in a horn-like structure, an outward facing surface of the speaker body is provided with an annular rim, and a front surface of the housing is fixedly connected with the annular rim.
In some embodiments, the protective cover is provided with a plurality of through holes, and a dust-proof cloth is arranged on one surface of the protective cover facing outwards.
In some embodiments, at least one threaded post is provided on the outer wall of the housing along the height direction thereof for fixedly connecting with the automobile circuit board by a screw.
In some embodiments, the first pad body and the second pad body are both in a semicircular structure, and two gaps with opposite positions are reserved between the first pad body and the second pad body.
In some embodiments, the cushion pad is made of foam, and the length of the gap is not less than 4mm.
The embodiment of the application provides a vehicle-mounted automobile loudspeaker comprising the anti-vibration automobile loudspeaker according to any embodiment.
The embodiment of the application has the following beneficial effects:
According to the anti-tremolo automobile loudspeaker and the vehicle-mounted automobile, the first pad body and the second pad body which are enclosed together and provided with the at least one gap are arranged between the bottom of the loudspeaker assembly and the automobile circuit board, so that the loudspeaker assembly is prevented from forming a closed cavity when being mounted on the automobile circuit board, and internal air flow can be outwards diffused from the gap when the loudspeaker produces sound, and the tremolo problem is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a anti-vibration automobile speaker according to an embodiment of the present application mounted on an automobile circuit board;
fig. 2 is a schematic diagram of an exploded structure of a speaker for a anti-vibration car according to an embodiment of the present application;
fig. 3 is an exploded view of a speaker assembly according to an embodiment of the present application;
Fig. 4 is a cross-sectional view of a anti-rattle car speaker according to an embodiment of the present application.
Description of main reference numerals:
1. Speaker assembly, 101, housing, 1011, screw posts, 1012, annular mount, 102, speaker body, 1021, annular rim, 103, speaker circuit board, 104, boot, 105, dust cloth, 106, wire, 2, cushion, 201, first pad, 202, second pad, 203, slit, 3, automobile circuit board.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; 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 present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Based on the technical problems set forth in the background art, the application provides a tremolo-proof automobile loudspeaker and an on-vehicle device, which can avoid the tremolo problem caused by the formation of a closed space when a loudspeaker assembly is mounted on an automobile circuit board.
Referring to fig. 1 of the specification and fig. 2 of the specification, an anti-vibration automobile speaker provided by the embodiment of the application comprises a speaker assembly 1 and a buffer pad 2, wherein the bottom of the speaker assembly 1 is fixedly mounted on an automobile circuit board 3, the buffer pad 2 is clamped between the bottom of the speaker assembly 1 and the automobile circuit board 3, and the buffer pad 2 is in a sectional structure, in this embodiment, the buffer pad 2 is composed of a first pad 201 and a second pad 202 which are enclosed together, and at least one gap 203 is reserved between the first pad 201 and the second pad 202, so that the gap 203 forms an external sound expansion path between the bottom of the speaker assembly 1 and the automobile circuit board 3. The cavity structure is not completely sealed because the external sound amplifying channel exists between the bottom of the speaker assembly 1 and the automobile circuit board 3, so that the internal air flow can be outwardly diffused through the external sound amplifying channel when the speaker assembly 1 sounds, thereby avoiding the generation of a tremolo.
Specifically, referring to fig. 3 of the specification and fig. 4 of the specification, the speaker assembly 1 includes a housing 101, a speaker main body 102, a speaker circuit board 103 and a protection cover 104, the speaker circuit board 103 is embedded at the lower end of the housing 101, the speaker main body 102 is embedded at the upper end of the housing 101, the protection cover 104 is disposed on the outward facing surface of the speaker main body 102, two wires 106 are led out of the speaker main body 102, and the two wires 106 and the speaker circuit board 103 are connected together and then fixed on the automobile circuit board 3.
In one embodiment, the housing 101 has a cylindrical structure, and at least one threaded post 1011 is provided on the outer wall of the housing 101 along the height direction thereof, so as to be fixedly connected with the automobile circuit board 3 by a screw;
An annular mounting seat 1012 is arranged at the lower end of the inner wall of the shell 101, and the loudspeaker circuit board 103 is fixedly connected with the annular mounting seat 1012. The speaker circuit board 103 is fixedly connected with the annular mounting base 1012 by welding or clamping. Taking the clamping as an example, a first clamping groove can be formed in the annular mounting seat 1012 of the shell 101, a first buckle matched and clamped with the first clamping groove is arranged on the speaker circuit board 103, and the speaker circuit board 103 is mounted on the shell 101 through the first clamping groove and the first buckle;
The speaker main body 102 is in a horn-shaped structure, an annular edge 1021 is arranged on the outward facing surface of the speaker main body 102, and the front surface of the housing 101 is fixedly connected with the annular edge 1021. The front surface of the housing 101 is fixedly connected with the annular edge 1021 by welding or clamping. Taking the clamping as an example, a second clamping groove can be formed in the front surface of the shell 101, a second clamping buckle matched and clamped with the second clamping groove is arranged on the annular edge 1021 of the speaker main body 102, and the speaker main body 102 is installed on the shell 101 through the second clamping groove and the second clamping buckle;
The protection cover 104 is provided with a plurality of through holes, which can protect the speaker main body 102 and prevent sound emission; a dust-proof cloth 104 is arranged on the outward side of the protective cover 104, and the dust-proof cloth 104 mainly prevents particles such as flying dust from entering the speaker main body 102 to cause failure;
The first pad 201 and the second pad 202 of the cushion pad 2 are in semicircular structures, the first pad 201 and the second pad 202 are surrounded to form a circular structure identical to the bottom surface of the shell 101, and a gap 203 is reserved at one end of the first pad 201 and one end of the second pad 202, which are in butt joint, so that two opposite external expansion channels are formed, and when the loudspeaker main body 102 sounds, internal air flow can be rapidly and outwards diffused through the two external expansion channels, so that tremolo is avoided.
Preferably, in this embodiment, the cushion pad 2 is made of foam, so as to reduce stress generated by hard contact when the housing 101 is fixed on the automobile circuit board 3; meanwhile, in order to rapidly diffuse the internal air flow generated when the speaker body 102 sounds, the cushion pad 2 is provided with two slits 203 opposite to each other, and the length of each slit is not less than 4mm.
In other embodiments, the segmented structure of the cushion pad 2 is not limited to two gaps 203 formed by two cushion bodies, but may be a plurality of gaps 203 formed by a plurality of cushion bodies, which is not limited and fixed by the present application.
Therefore, the buffer pad is clamped between the loudspeaker assembly and the automobile circuit board, so that on one hand, hard contact of the loudspeaker assembly when the loudspeaker assembly is mounted on the automobile circuit board is avoided, on the other hand, the buffer pad adopts a sectional structure, and an external sound expansion channel is formed between the bottom of the loudspeaker assembly and the automobile circuit board, so that a completely sealed cavity is avoided, and when the loudspeaker assembly sounds, internal air flow can be outwards expanded through the external sound expansion channel, and the problem of tremolo is solved.
The utility model also provides a vehicle-mounted device, which comprises any anti-tremolo automobile loudspeaker and can avoid the tremolo problem caused by forming a closed space when the loudspeaker assembly is mounted on an automobile circuit board. Because the principle of solving the problem of the vehicle-mounted device in the embodiment of the utility model is similar to that of the anti-vibration automobile loudspeaker in the embodiment of the utility model, the implementation of the vehicle-mounted device can be referred to the implementation of the anti-vibration automobile loudspeaker, and the repetition is omitted.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (9)
1. The anti-vibration automobile loudspeaker is characterized by comprising a loudspeaker assembly and a buffer pad, wherein the bottom of the loudspeaker assembly is arranged on an automobile circuit board, and the buffer pad is arranged between the bottom of the loudspeaker assembly and the automobile circuit board; the buffer pad comprises a first pad body and a second pad body which are enclosed together, the shape of the enclosing of the first pad body and the second pad body is the same as that of the bottom surface of the loudspeaker assembly, at least one gap is reserved between the first pad body and the second pad body, and an external sound diffusion channel is formed between the bottom surface of the loudspeaker assembly and the automobile circuit board through the gap.
2. The anti-vibration automobile loudspeaker according to claim 1, wherein the loudspeaker assembly comprises a shell, a loudspeaker main body, a loudspeaker circuit board and a protective cover, the shell is of a cylindrical structure, the loudspeaker circuit board is embedded at the lower end of the interior of the shell, the loudspeaker main body is embedded at the upper end of the interior of the shell, the protective cover is arranged on the outward side of the loudspeaker main body, two wires are led out of the loudspeaker main body, the two wires are connected with the loudspeaker circuit board, and the two wires penetrate through the loudspeaker circuit board and are fixed on the automobile circuit board.
3. The anti-rattle automobile loudspeaker according to claim 2, wherein an annular mounting seat is arranged at the lower end of the inner wall of the shell, and the loudspeaker circuit board is fixedly connected with the annular mounting seat.
4. A car loudspeaker according to claim 3, wherein the loudspeaker body is of a horn-like configuration, and the outwardly facing surface of the loudspeaker body is provided with an annular rim, and the front surface of the housing is fixedly connected to the annular rim.
5. The anti-rattle automobile loudspeaker according to claim 4, wherein the protective cover is provided with a plurality of through holes, and a dust-proof cloth is arranged on the outward side of the protective cover.
6. The anti-rattle automotive loudspeaker of claim 5, wherein the outer wall of the housing is provided with at least one threaded post along its height for fixedly connecting with the automotive circuit board by screws.
7. The anti-rattle automotive speaker of claim 6, wherein the first pad and the second pad are each in a semicircular configuration, and wherein two gaps are left between the first pad and the second pad in opposition.
8. The anti-rattle automobile speaker of claim 7, wherein the cushion pad is made of foam, and the length of the slit is not less than 4mm.
9. An in-vehicle apparatus comprising the anti-rattle car speaker according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322757194.7U CN220809313U (en) | 2023-10-13 | 2023-10-13 | Anti-vibration automobile loudspeaker and vehicle-mounted device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322757194.7U CN220809313U (en) | 2023-10-13 | 2023-10-13 | Anti-vibration automobile loudspeaker and vehicle-mounted device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220809313U true CN220809313U (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322757194.7U Active CN220809313U (en) | 2023-10-13 | 2023-10-13 | Anti-vibration automobile loudspeaker and vehicle-mounted device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220809313U (en) |
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2023
- 2023-10-13 CN CN202322757194.7U patent/CN220809313U/en active Active
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