Heat dissipation shell of automobile power amplifier

Abstract

The utility model relates to the technical field of heat dissipation, in particular to an automobile power amplifier heat dissipation shell which comprises a shell body, a thickened metal plate face is integrally arranged at the upper end of the shell body, the shell body is provided with a function heat dissipation installation area and a power module heat dissipation installation area through the thickened metal plate face, and a heat conduction mechanism is arranged on one side of the shell body. The whole shell is made of aluminum alloy materials, the thickness of the thickened metal plate face is at least 5 cm, and heat dissipation fins distributed at equal intervals are arranged on the outer surface of the thickened metal plate face. The automobile functional heat dissipation shell is made of aluminum alloy, the upper end face of the shell is formed through the thickened metal plate face, the functional heat dissipation installation area and the power module heat dissipation installation area are arranged through the thickened metal plate face, and therefore the heat dissipation effect is improved; a heat absorption horn, an extension pipeline and a heat dissipation plate which are assembled and connected are arranged on one side of the shell, so that diffusion and discharging of a high-temperature heat source in the shell are accelerated, and the synchronous heat dissipation effect of multiple heat dissipation ways is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation, in particular to a heat dissipation shell for an automobile power amplifier. Background Art

[0002] The car amplifier is the audio power amplifier in the car audio and video system. The power amplifier is referred to as the power amplifier, which is an indispensable component of a good audio system. The power amplifier on the host often cannot really amplify the sound current, so if you want to have a good music experience, you must install a power amplifier.

[0003] The car amplifier needs to be equipped with a heat dissipation shell structure, such as a car amplifier audio system disclosed in announcement number CN209964268U, which can effectively improve the heat dissipation function of the amplifier. The heat dissipation component is installed separately on the amplifier shell, which can reduce the manufacturing cost of the amplifier and reduce the difficulty of mold opening and processing. However, it adopts a relatively closed structure, and the internal space of the heat dissipation shell is limited. The materials used and the single heat dissipation method result in limited heat dissipation function, and it is difficult to use the heat dissipation shell to achieve real-time and effective heat dissipation protection. Utility Model Content

[0004] The utility model aims to solve the problem that the heat dissipation effect of the heat dissipation shell of the automobile power amplifier in the prior art is poor, and proposes a heat dissipation shell of the automobile power amplifier.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A car power amplifier heat dissipation shell comprises a shell, the upper end of the shell is integrally provided with a thickened metal plate surface, and the shell is provided with a functional heat dissipation installation area and a power module heat dissipation installation area through the thickened metal plate surface, and a heat conduction mechanism is provided at one side of the shell.

[0007] Preferably, the entire shell is made of aluminum alloy, and the thickness of the thickened metal plate is at least 5 cm.

[0008] Preferably, the shell is a hollow box structure with a symmetrical opening at the lower end, and the outer surface of the thickened metal plate is provided with equidistantly distributed heat dissipation fins.

[0009] Preferably, the heat conducting mechanism comprises an embedding groove opened on the outside of one side of the shell, and a limiting through hole connected to the interior of the shell is opened in the embedding groove, an extension pipe is fixedly sleeved in the limiting through hole, a connected heat absorbing speaker and a heat dissipation plate are fixedly connected to the extension pipe, and a plurality of heat dissipation holes are opened in the heat dissipation plate.

[0010] Preferably, the heat absorbing horn is threadedly connected to one end of the extension pipe located in the shell.

[0011] Preferably, the heat sink is connected to a flange at one end of the extension pipe located outside the shell, and the heat sink is fixedly embedded in the embedding groove.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. The utility model uses aluminum alloy to make a functional heat dissipation shell of an automobile, and uses a thickened metal plate surface to form the upper end surface of the shell. The thickened metal plate surface is used to set a functional heat dissipation installation area and a power module heat dissipation installation area to improve the heat dissipation effect.

[0014] 2. The utility model is provided with a heat absorbing horn, an extension pipe and a heat dissipation plate which are assembled and connected on one side of the shell to accelerate the diffusion and discharge of the high-temperature heat source in the shell, thereby ensuring the synchronous heat dissipation effect of multiple heat dissipation pathways. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a car amplifier heat sink shell proposed by the utility model;

[0016] Figure 2 This is a bottom view of a heat dissipation shell of a car power amplifier proposed by the utility model;

[0017] Figure 3 This is a top cross-sectional view of a heat dissipation shell of an automobile power amplifier proposed by the utility model;

[0018] Figure 4 This is a bottom cross-sectional view of a car amplifier heat dissipation shell proposed by the utility model;

[0019] Figure 5 This is a schematic diagram of the heat conduction mechanism structure of a car power amplifier heat dissipation shell proposed by the utility model;

[0020] Figure 6 The utility model is a cross-sectional view of a heat conduction mechanism of a heat dissipation shell of an automobile power amplifier.

[0021] In the figure: 1. Shell; 2. Thickened metal plate surface; 3. Functional heat dissipation installation area; 4. Power module heat dissipation installation area; 5. Embedded groove; 6. Limiting through hole; 7. Extension pipe; 8. Heat absorbing speaker; 9. Heat dissipation plate; 10. Heat dissipation hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-Figure 6A car amplifier heat sink shell includes a shell 1, a thickened metal plate 2 is integrally provided on the upper end of the shell 1, the shell 1 is made of aluminum alloy as a whole, and the thickness of the thickened metal plate 2 is at least 5 cm. It is worth noting that the aluminum material has the following characteristics:

[0024] ① Low production cost and high cost performance;

[0025] ② The production process is relatively mature and has high production capacity;

[0026] ③Aluminum profiles have good thermal conductivity and good heat dissipation performance;

[0027] ④The aluminum profile radiator has good oxidation and corrosion resistance and good environmental adaptability.

[0028] Therefore, the shell 1 made of aluminum alloy can better play the role of heat conduction and heat dissipation, especially the upper end of the shell 1 adopts a thickened metal plate surface 2, which can achieve more comprehensive and efficient heat conduction.

[0029] The housing 1 is provided with a functional heat dissipation installation area 3 and a power module heat dissipation installation area 4 by thickening the metal plate surface 2. It is worth noting that:

[0030] First, the power amplifier circuit is composed of a pre-voltage amplifier stage, a driver stage, a power amplifier stage, a speaker, etc. The pre-stage is a voltage amplifier stage, and the last stage is a power amplifier stage, which amplifies the signal sent by the pre-stage to obtain sufficient power output to the speaker. The driver stage provides the larger input signal source power required by the power output stage;

[0031] Second, a separate installation method is adopted to increase the heat dissipation area and space of the housing 1, and the power module is subjected to separate heat dissipation treatment, which can reduce the high temperature pressure between the two and achieve a faster heat dissipation effect.

[0032] Please refer to the instruction manual for details Figure 2 With attached Figure 5 , Attachment Figure 6A heat conducting mechanism is arranged at one side of the shell 1, and the heat conducting mechanism includes an embedding groove 5 opened on the outside of one side of the shell 1, and a limiting through hole 6 communicating with the inside of the shell 1 is opened in the embedding groove 5, and an extension pipe 7 is fixedly sleeved in the limiting through hole 6, and a connected heat absorbing horn 8 and a heat sink 9 are fixedly connected to the extension pipe 7, and a plurality of heat dissipation holes 10 are opened in the heat sink 9, and the heat sink 9 is flange-connected with one end of the extension pipe 7 located outside the shell 1, and the heat sink 9 is fixedly embedded in the embedding groove 5, and the heat absorbing horn 8 is threadedly connected with one end of the extension pipe 7 located inside the shell 1, and the assembly connection relationship among the three realizes the disassembly connection between the extension pipe 7, the heat absorbing horn 8 and the heat sink 9, and the heat absorbing horn 8 with a horn-shaped structure is used to realize the comprehensive absorption of the high-temperature heat source in the shell 1, and it is compressed by the extension pipe 7 and quickly enters the heat sink 9, and the heat sink 9 is quickly discharged through the heat sink 9.

[0033] The shell 1 is a hollow box structure with a symmetrical opening at the lower end, and the outer surface of the thickened metal plate surface 2 is provided with equidistantly distributed heat dissipation fins, which can accelerate the dissipation of high-temperature heat sources.

[0034] The functional principle of the utility model can be explained through the following operation modes:

[0035] The housing 1 uses a thickened metal plate surface 2 to increase the contact surface, and simultaneously uses the functional heat dissipation installation area 3 and the power module heat dissipation installation area 4 to achieve synchronous heat dissipation;

[0036] The high-temperature heat source in the housing 1 enters the extension pipe 7 through the heat-absorbing horn 8 due to the high pressure, and is discharged through the heat dissipation plate 9.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A car amplifier heat sink shell, comprising a shell (1), It is characterized in that The upper end of the shell (1) is integrally provided with a thickened metal plate surface (2), and the shell (1) is provided with a functional heat dissipation installation area (3) and a power module heat dissipation installation area (4) through the thickened metal plate surface (2), and a heat conduction mechanism is provided at one side of the shell (1).

2. The automotive amplifier heat sink shell according to claim 1, It is characterized in that The shell (1) is made of aluminum alloy as a whole, and the thickness of the thickened metal plate surface (2) is at least 5 cm.

3. The automotive amplifier heat sink shell according to claim 1, It is characterized in that The shell (1) is a hollow box structure with a symmetrical opening at the lower end, and the outer surface of the thickened metal plate surface (2) is provided with equidistantly distributed heat dissipation fins.

4. The automotive amplifier heat sink shell according to claim 1, It is characterized in that The heat conduction mechanism comprises an embedding groove (5) formed on the outside of one side of the shell (1), and a limiting through hole (6) communicating with the interior of the shell (1) is formed in the embedding groove (5), an extension pipe (7) is fixedly mounted in the limiting through hole (6), a heat absorbing horn (8) and a heat dissipation plate (9) which are connected to each other are fixedly connected to the extension pipe (7), and a plurality of heat dissipation holes (10) are formed in the heat dissipation plate (9).

5. The automotive amplifier heat sink shell according to claim 4, It is characterized in that The heat absorbing horn (8) is threadedly connected to one end of the extension pipe (7) located inside the shell (1).

6. The automotive amplifier heat sink shell according to claim 4, It is characterized in that The heat dissipation plate (9) is connected to an end flange of the extension pipe (7) located outside the housing (1), and the heat dissipation plate (9) is fixedly embedded in the embedding groove (5).

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