CN215222842U - High-efficient heat dissipation vehicle-mounted multifunctional power amplifier - Google Patents
High-efficient heat dissipation vehicle-mounted multifunctional power amplifier Download PDFInfo
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- CN215222842U CN215222842U CN202121197885.0U CN202121197885U CN215222842U CN 215222842 U CN215222842 U CN 215222842U CN 202121197885 U CN202121197885 U CN 202121197885U CN 215222842 U CN215222842 U CN 215222842U
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Abstract
The utility model discloses an on-vehicle multi-functional power amplifier of high-efficient heat dissipation relates to power amplifier technical field. The structure of the utility model comprises a mounting plate, a refrigerating sheet, an inner radiating sheet, an outer radiating sheet and a panel, wherein two ends of the mounting plate extend to two sides to form ear plates, and a circuit part of the power amplifier is arranged in a gap of the mounting plate; the two groups of the refrigerating pieces are respectively arranged in the through holes of the left wall and the right wall of the mounting plate, the cold surfaces face the inner side of the mounting plate, and the refrigerating pieces are electrically connected with the circuit part; the two inner radiating fins are respectively fixed on the left side wall and the right side wall of the gap of the mounting plate and are attached to the cold surfaces of the refrigerating fins; the two outer heat dissipation sheets are respectively fixed on the left side wall and the right side wall of the mounting plate and are attached to the hot surfaces of the refrigeration sheets; the panel is characterized in that a display screen and a switch group are arranged in the through hole of the panel, the display screen and the switch group are electrically connected with the circuit part, and the panel is fixed at the front end of the mounting plate. The utility model discloses do not influence the heat dissipation rate under the hot weather.
Description
Technical Field
The utility model relates to a power amplifier technical field especially relates to an on-vehicle multi-functional power amplifier of high-efficient heat dissipation.
Background
The power amplifier is commonly called as a loudspeaker, and has the function of amplifying a weak signal from a sound source or a preceding amplifier to push a sound box to play sound. The power of a set of good sound system power amplifier is not available. All can be provided with on-vehicle stereo set in the modern automobile, for the audio frequency and the volume of convenient regulation and control stereo set, still be equipped with on-vehicle power amplifier usually. The existing vehicle-mounted power amplifier for counting generally adopts a heat dissipation fan for heat dissipation, but when the temperature in a carriage is high in hot summer, the heat dissipation efficiency is low.
Accordingly, one skilled in the art provides a subject to solve the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the radiating efficiency of overcoming prior art's on-vehicle power amplifier receives the influence of weather.
In order to solve the technical problem, the utility model provides a high-efficiency heat-dissipation vehicle-mounted multifunctional power amplifier, which comprises a mounting plate, a refrigerating sheet, an inner radiating sheet, an outer radiating sheet and a panel, wherein the mounting plate is of a U-shaped plate structure, two ends of the mounting plate extend to two sides to form ear plates, and a circuit part of the power amplifier is arranged in a gap of the mounting plate; the two groups of the refrigerating pieces are respectively arranged in the through holes of the left wall and the right wall of the mounting plate, the cold surfaces face the inner side of the mounting plate, and the refrigerating pieces are electrically connected with the circuit part; the two inner radiating fins are respectively fixed on the left side wall and the right side wall of the gap of the mounting plate and are attached to the cold surfaces of the refrigerating fins; the circuit part radiates heat into the air in the gap of the mounting plate, the cold surface absorbs the heat in the air through the inner radiating fins, and the hot surface absorbs the heat of the cold surface and radiates the heat into the external air through the outer radiating fins; the panel is a rectangular plate-shaped structure, a display screen and a switch group are arranged in a through hole of the panel, the display screen and the switch group are electrically connected with the circuit part, and the panel is fixed at the front end of the mounting plate.
As a further aspect of the present invention: the mounting plate is characterized in that a plurality of circular through holes are formed in the ear plate and are fixing holes, a plurality of threaded columns are fixed on the rear side wall of the panel, and the threaded columns penetrate through the fixing holes and then are screwed with nuts, so that the panel is fixed with the mounting plate.
As a further aspect of the present invention: the top end of the mounting plate is fixed with a top plate, the bottom end of the mounting plate is fixed with a bottom plate, the top plate and the bottom plate are both in rectangular plate structures and are provided with a plurality of through holes, and the top plate and the bottom plate prevent external parts from damaging a circuit part.
As a further aspect of the present invention: the left side wall and the right side wall of the gap of the mounting plate are respectively fixed with a plurality of supports, the supports are of L-shaped cylinder structures, and two ends of a circuit board of the circuit part are fixed on the supports through screws.
As a further aspect of the present invention: the heat dissipation fan is fixed in the through hole of the ear plate and electrically connected with the circuit part, and the heat dissipation fan is used for dissipating heat of the air drum to the outside through the heat dissipation fan, so that heat dissipation of the outer heat dissipation fins is facilitated.
As a further aspect of the present invention: the left and right parts of the panel are respectively provided with a plurality of strip-shaped through holes which are heat dissipation holes, and the heat dissipation holes are convenient for the heat dissipation fan to roll air backwards.
As a further aspect of the present invention: the front side wall of the ear plate is fixed with a cushion pad, the cushion pad is of a U-shaped strip structure, and the cushion pad plays a role in buffering between the ear plate and the panel.
The utility model has the advantages that:
(1) the utility model discloses set up the heat dissipation fan, when thermistor induced temperature in the circuit part surpassed the threshold value, circuit part control heat dissipation fan work, the heat of mounting panel absorption circuit part is passed through to outer radiator fin, and the heat dissipation fan rolls the carriage interior air from the louvre backward, and the air absorbs the heat when crossing outer fin, reaches radiating purpose. The utility model discloses has the radiating function of forced air cooling.
(2) The utility model discloses set up the refrigeration piece, when circuit part calculates the heat dissipation rate and does not reach the setting value, circuit part control refrigeration piece work, the cold face of refrigeration piece passes through the heat of interior fin absorption circuit part, and the heat of cold face is absorbed to the hot face, and the heat of outer heat dissipation piece absorption hot face, heat dissipation fan are bloated the air flow and are carried away the heat on the outer heat dissipation piece. The utility model discloses have dual refrigeration radiating function.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of the present invention with the panel removed.
Wherein: the heat dissipation structure comprises a mounting plate 10, an ear plate 11, a top plate 13, a bottom plate 14, a support 15, a circuit board 16, an inner heat dissipation fin 17, an outer heat dissipation fin 18, a heat dissipation fan 19, a fixing hole 20, a cushion pad 21, a panel 22, a display screen 23, a switch group 24, a heat dissipation hole 25 and a threaded column 26.
Detailed Description
The structure of the vehicle-mounted multifunctional power amplifier with high heat dissipation provided by the embodiment is shown in fig. 1-2, and includes a mounting plate 10, a refrigerating sheet, an inner heat dissipation sheet 17, an outer heat dissipation sheet 18, and a panel 22, where the mounting plate 10 is a U-shaped plate structure, and two ends of the mounting plate extend to two sides to form ear plates 11, and a circuit part of the power amplifier is arranged in a gap of the mounting plate 10; the two groups of the refrigerating pieces are respectively arranged in through holes of the left wall and the right wall of the mounting plate 10, the cold surfaces face the inner side of the mounting plate 10, and the refrigerating pieces are electrically connected with the circuit part; two inner radiating fins 17 are respectively fixed on the left side wall and the right side wall of the gap of the mounting plate 10 and are attached to the cold surface of the refrigerating fin; the two outer radiating fins 18 are respectively fixed on the left side wall and the right side wall of the mounting plate 10 and are attached to the hot surfaces of the refrigerating fins, the circuit part radiates heat into the air in the gap of the mounting plate 10, the cold surfaces absorb the heat in the air through the inner radiating fins 17, and the hot surfaces absorb the heat of the cold surfaces and radiate the heat into the external air through the outer radiating fins 18; the panel 22 is of a rectangular plate-shaped structure, a display screen 23 and a switch group 24 are arranged in a through hole of the panel 22, the display screen 23 and the switch group 24 are electrically connected with a circuit part, and the panel 22 is fixed at the front end of the mounting plate 10.
The ear plate 11 is provided with a plurality of circular through holes, namely the fixing holes 20, the rear side wall of the panel 22 is fixed with a plurality of threaded columns 26, and the threaded columns 26 penetrate through the fixing holes 20 and are screwed with nuts, so that the panel 22 is fixed with the mounting plate 10.
The top end of the mounting plate 10 is fixed with a top plate 13, the bottom end is fixed with a bottom plate 14, the top plate 13 and the bottom plate 14 are both rectangular plate-shaped structures and are provided with a plurality of through holes, and the top plate 13 and the bottom plate 14 prevent external parts from damaging a circuit part.
The left side wall and the right side wall of the gap of the mounting plate 10 are respectively fixed with a plurality of brackets 15, the brackets 15 are in L-shaped cylinder structures, and two ends of a circuit board 16 of the circuit part are fixed on the brackets 15 through screws.
A heat dissipation fan 19 is fixed in the through hole of the ear plate 11, the heat dissipation fan 19 is electrically connected with the circuit part, and the heat dissipation fan 19 blows air to the outer heat dissipation fins 18, so that heat dissipation of the outer heat dissipation fins 18 is facilitated.
The left and right parts of the panel 22 are respectively provided with a plurality of strip-shaped through holes, namely heat dissipation holes 25, and the heat dissipation holes 25 are convenient for the heat dissipation fan 19 to roll air backwards.
A buffer pad 21 is fixed on the front side wall of the ear plate 11, the buffer pad 21 is in a U-shaped strip structure, and the buffer pad 21 plays a role of buffering between the ear plate 11 and the panel 22.
The utility model discloses a theory of operation: when the temperature sensed by the thermistor in the circuit part exceeds a threshold value, the circuit part controls the heat dissipation fan 19 to work, the outer heat dissipation sheet 18 absorbs the heat of the circuit part through the mounting plate 10, the heat dissipation fan 19 rolls the air in the carriage backwards from the heat dissipation hole 25, and the air absorbs the heat when flowing through the outer heat dissipation sheet 18, so that the purpose of heat dissipation is achieved; when the calculated heat dissipation rate of the circuit part does not reach a set value, the circuit part controls the refrigerating sheet to work, the cold surface of the refrigerating sheet absorbs the heat of the circuit part through the inner heat dissipation fins 17, the hot surface absorbs the heat of the cold surface, the outer heat dissipation fins 18 absorb the heat of the hot surface, and the heat dissipation fan 19 blows air to flow and carries away the heat on the outer heat dissipation fins 18. The utility model discloses do not influence the heat dissipation rate under the hot weather.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The vehicle-mounted multifunctional power amplifier is characterized by comprising a mounting plate (10), a refrigerating sheet, an inner radiating sheet (17), an outer radiating sheet (18) and a panel (22), wherein the mounting plate (10) is of a U-shaped plate structure, two ends of the mounting plate extend to two sides to form lug plates (11), and a circuit part of the power amplifier is arranged in a gap of the mounting plate (10); the two groups of the refrigerating pieces are respectively arranged in through holes of the left wall and the right wall of the mounting plate (10), the cold surfaces face the inner side of the mounting plate (10), and the refrigerating pieces are electrically connected with the circuit part; two inner radiating fins (17) are respectively fixed on the left side wall and the right side wall of the gap of the mounting plate (10) and are attached to the cold surface of the refrigerating fin; two outer heat dissipation sheets (18) are respectively fixed on the left side wall and the right side wall of the mounting plate (10) and are attached to the hot surfaces of the refrigeration sheets; the panel (22) is of a rectangular plate-shaped structure, a display screen (23) and a switch group (24) are arranged in a through hole of the panel (22), the display screen (23) and the switch group (24) are electrically connected with a circuit part, and the panel (22) is fixed at the front end of the mounting plate (10).
2. The vehicle-mounted multifunctional power amplifier with high efficiency and heat dissipation of claim 1, wherein: the fixing plate is characterized in that a plurality of circular through holes are arranged on the ear plate (11) and are fixing holes (20), a plurality of threaded columns (26) are fixed on the rear side wall of the panel (22), and the threaded columns (26) penetrate through the rear upper nuts of the fixing holes (20) to enable the panel (22) to be fixed with the mounting plate (10).
3. The vehicle-mounted multifunctional power amplifier with high efficiency and heat dissipation of claim 1, wherein: the top end of the mounting plate (10) is fixed with a top plate (13), the bottom end of the mounting plate is fixed with a bottom plate (14), the top plate (13) and the bottom plate (14) are both in rectangular plate-shaped structures and are provided with a plurality of through holes, and the top plate (13) and the bottom plate (14) prevent external parts from crashing circuit parts.
4. The vehicle-mounted multifunctional power amplifier with high efficiency and heat dissipation of claim 1, wherein: the side wall about the clearance of mounting panel (10) respectively is fixed with a plurality of support (15), support (15) are L shape cylinder structure, the both ends of circuit board (16) of circuit part are fixed on support (15) through the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121197885.0U CN215222842U (en) | 2021-05-31 | 2021-05-31 | High-efficient heat dissipation vehicle-mounted multifunctional power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121197885.0U CN215222842U (en) | 2021-05-31 | 2021-05-31 | High-efficient heat dissipation vehicle-mounted multifunctional power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215222842U true CN215222842U (en) | 2021-12-17 |
Family
ID=79422262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121197885.0U Active CN215222842U (en) | 2021-05-31 | 2021-05-31 | High-efficient heat dissipation vehicle-mounted multifunctional power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215222842U (en) |
-
2021
- 2021-05-31 CN CN202121197885.0U patent/CN215222842U/en active Active
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