CN217693948U - Heat radiation structure of power amplifier - Google Patents

Heat radiation structure of power amplifier Download PDF

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Publication number
CN217693948U
CN217693948U CN202122001294.8U CN202122001294U CN217693948U CN 217693948 U CN217693948 U CN 217693948U CN 202122001294 U CN202122001294 U CN 202122001294U CN 217693948 U CN217693948 U CN 217693948U
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Prior art keywords
heat dissipation
plate
lane
heat dissipating
power amplifier
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CN202122001294.8U
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蒋庆祥
龙天翔
朱明刚
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Chengdu Kejiaxin Microelectronic Co ltd
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Chengdu Kejiaxin Microelectronic Co ltd
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Abstract

The utility model discloses a heat radiation structure of power amplifier, which comprises an outer shell, the shell includes top panel, lower panel, back end plate, front end plate and two heat dissipation curb plates, be provided with a plurality of mutual parallel fin on the outer wall of heat dissipation curb plate, constitute the heat dissipation lane between the adjacent fin, the position that the heat dissipation curb plate corresponds every heat dissipation lane all is provided with the louvre, still is provided with a plurality of convection holes on every fin, be provided with at least one radiator fan on the back end plate. The utility model discloses it has designed the louvre to correspond every heat dissipation lane department on the heat dissipation curb plate, radiator fan bloies in to the shell, wind circulates the heat dissipation lane from the louvre, thereby blow off the steam of siltation in the heat dissipation lane, air can also be through the next door heat dissipation lane of convection Kong Chuanru in the heat dissipation lane, form the convection current, make the air can flow through in whole heat dissipation lane, force the hot-air in the whole heat dissipation lane to spill over, greatly reduced the temperature around the fin, thereby the radiating effect of fin has been strengthened.

Description

Heat radiation structure of power amplifier
Technical Field
The utility model relates to a heat dissipation shell, concretely relates to heat radiation structure of power amplifier.
Background
A power amplifier is also called a power amplifier, and refers to an amplifier that can generate maximum power output to drive a load (e.g., a speaker) under a given distortion rate. The power amplifier plays a role of 'organization and coordination' in the whole sound system, and governs to some extent whether the whole system can provide good sound quality output.
The radiating fins are designed on two sides of the shell of the existing power amplifier, the radiating holes are designed on the upper panel and the lower panel, and when the radiating structure is used in a space where internal air does not circulate, external cold air is difficult to enter the shell, and hot air silts between the radiating fins, so that the radiating effect is very poor, and the power amplifier is difficult to work normally.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems.
An object of the utility model is to provide a heat radiation structure of power amplifier solves current power amplifier and meetting outside air circulation when not good, the very poor problem of radiating effect.
In order to realize the basis the utility model discloses a these purposes and other advantages provide a heat radiation structure of power amplifier, which comprises an outer shell, the shell includes top panel, lower panel, back end plate, front end plate and two heat dissipation curb plates, set up power amplifier circuit board in the shell, power amplifier circuit board is fixed under on the panel, be provided with a plurality of mutual parallel fin on the outer wall of heat dissipation curb plate, constitute the heat dissipation lane between the adjacent fin, the heat dissipation curb plate all is provided with the louvre in the position that corresponds every heat dissipation lane, still is provided with a plurality of convection holes on every fin, be provided with at least one radiator fan on the back end plate.
In a possible design, above-mentioned panel and rear end plate integration are connected down, and both constitute an L template, and two heat dissipation curb plates are installed in L template both sides, and the heat dissipation curb plate is fixed with panel and rear end plate screw down respectively, the both sides of top panel are fixed with two heat dissipation curb plate screws respectively, the front end plate is fixed with two heat dissipation curb plate screws.
In one possible design, the rear end plate is attached to the rear end radiating fins of the radiating side plate, and the rear end plate is fixed with the rear end radiating fins through screws.
In one possible design, the front end plate is attached to the front end radiating fins of the radiating side plate, and the front end plate is fixed with the front end radiating fins through screws.
In one possible design, a foot is provided below the lower panel.
In one possible design, a diversion trench is arranged on the inner wall of the upper panel, the diversion trench comprises a main trench and a branch trench, the main trench is parallel to the heat dissipation side plate, one end of the main trench is close to the heat dissipation fan, the branch trench is perpendicular to the main trench, the branch trench corresponds to the heat dissipation lane one by one, one end of the branch trench is communicated with the main trench, and the other end of the branch trench extends to the heat dissipation lane.
In one possible design, the lower panel is designed with a plurality of vent holes.
The utility model discloses at least, include following beneficial effect: this device corresponds every heat dissipation lane department on the heat dissipation curb plate and has designed the louvre, radiator fan blows to in the shell, wind circulates to the heat dissipation lane from the louvre, thereby blow off the steam of heat dissipation lane interior siltation, the radiating effect of fin has been guaranteed, still design the convection current hole on every fin, so the heat dissipation lane air still can be through the next door heat dissipation lane of convection current Kong Chuanru, form the convection current, make the air can circulate in whole heat dissipation lane, force the hot-air in the whole heat dissipation lane to spill over, greatly reduced the temperature around the fin, thereby the radiating effect of fin has been strengthened.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of the structure of the apparatus;
FIG. 2 is an enlarged view of the direction A in FIG. 1;
FIG. 3 is a schematic exploded view of the apparatus;
FIG. 4 is a rear view of the present device;
FIG. 5 is a side view of the present device;
FIG. 6 is an enlarged view of the direction B in FIG. 5;
FIG. 7 is a bottom view of the device;
FIG. 8 is a cross-sectional view of the junction of the heat-dissipating side plate and the front end plate;
FIG. 9 is a schematic view of the inner wall structure of the upper panel;
the number in the figure is 100-shell, 101-power amplifier circuit board, 200-upper panel, 201-diversion trench, 202-main trench, 203-branch trench, 300-lower panel, 301-support leg, 302-vent hole, 400-rear end plate, 401-imperial concubine plate, 402-slot, 500-front end plate, 600-radiating side plate, 601-radiating fin, 602-radiating lane, 603-radiating hole, 604-convection hole, 605-rear end radiating fin, 606-front end radiating fin and 700-radiating fan.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials described therein are commercially available unless otherwise specified; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in 1~9, a heat radiation structure of power amplifier, including shell 100, shell 100 includes upper panel 200, lower panel 300, back end plate 400, front end plate 500 and two heat dissipation side plates 600, set up power amplifier circuit board 101 in shell 100, power amplifier circuit board 101 is fixed on lower panel 200, be provided with a plurality of parallel fin 601 each other on the outer wall of heat dissipation side plate 600, constitute heat dissipation lane 602 between the adjacent fin 601, heat dissipation side plate 600 all is provided with louvre 603 in the position that corresponds every heat dissipation lane 602, still is provided with a plurality of convection holes 604 on every fin 601, be provided with at least one radiator fan 700 on the back end plate 400.
As shown in fig. 1 and 3, the heat dissipation structure is mainly a structure of the housing 100, and the specific structure of the housing 100 is that a lower panel 300 and a rear panel 400 are integrally connected to form an L-shaped plate, two heat dissipation side panels 600 are installed on two sides of the L-shaped plate, the heat dissipation side panels 600 are respectively fixed to the lower panel 300 and the rear panel 400 by screws, the lower ends of the heat dissipation side panels 600 are fixed to the lower panel 300 by screws, the screws penetrate through the lower panel 300 from below the lower panel 300 and are connected to the heat dissipation side panels 600 located above the lower panel 300, a imperial concubine board 401 is designed on two sides of the rear panel 400, the imperial concubine board 401 is attached to rear end fins 605 of the heat dissipation side panels 600, the rear end fins 605 are different from the fins 601 and are used for being connected to the rear panel 400, no heat dissipation holes 603 are designed, the imperial concubine board 401 is fixed to the rear end fins 605 by screws, and the screws penetrate through one side of the rear end fins 401 and are connected to the rear end fins 605.
Both sides of the upper panel 200 are respectively fixed to the two heat-dissipating side panels 600 by screws, and the screws pass through the upper panel 200 and are connected to the heat-dissipating side panels 600.
The front end plate 500 is fixed with two radiating side plates 600 through screws, the front end plate 500 is attached to front end radiating fins 606 of the radiating side plates 600, the front end radiating fins 606 are positioned at the forefront of all the radiating fins 601, different from the radiating fins 601, radiating holes 603 are not designed, the front end plate 600 is fixed with the front end radiating fins 606 through screws, the front end radiating fins 606 and the adjacent radiating fins 601 form a radiating lane 602, the length of the screw for mounting the front end plate 500 and the front end radiating fins 606 is smaller than the width of the radiating lane 602, the screw enters the radiating lane 602, then passes through a screw hole on the front end radiating fins 606 and enters a corresponding screw hole on the front end plate 500, so that the front end plate 500 and the radiating side plates 600 form fixed connection, and in the connection mode, the screw cannot be seen at the front end of the front end plate 500, and the device looks more beautiful.
In summary, the entire casing 100 is successfully installed, the inside of the casing has an installation space for installing the power amplifier circuit board 101, and a plurality of slots 402 are further designed on the rear end plate 400 for external wiring to the power amplifier circuit board 101.
As shown in fig. 1~8, a plurality of heat dissipation fins 601 are designed on the heat dissipation side plate 600, the heat dissipation side plate 600 is in contact with the upper panel 200, the lower panel 300, the rear end panel 400 and the front end panel 500, and the heat dissipation fins 601 are also in direct contact with the rear end panel 400 and the front end panel 500, so that the heat dissipation side plate 600 can absorb heat on the upper panel 200, the lower panel 300, the rear end panel 400 and the front end panel 500, and the heat dissipation effect of the whole device is improved.
Two heat dissipation fans 700 are designed on the rear end plate 400, the heat dissipation fans 700 blow external air into the housing 100, and the air enters the heat dissipation lane 602 through the heat dissipation holes 603, so that hot air in the heat dissipation lane 602 is blown away, and hot air accumulation in the heat dissipation lane 602 is avoided.
As shown in fig. 7, a leg 301 is provided below the lower panel 300. The lower panel 300 is designed with a plurality of ventilation holes 302. The supporting legs 301 are used for supporting the device, the lower panel 300 is lifted, after the vent holes 302 are designed on the lower panel 300, when the heat dissipation fan 700 breaks down, cold air can enter the heat dissipation device to dissipate heat in the shell 100, after all, the heat dissipation holes 603 are provided with heat dissipation lanes 602, air temperature in the lanes is high, and the heat dissipation effect of the interior of the shell 100 is poor. Of course, when the heat dissipation fan 700 is operated, air enters the heat dissipation tunnel from the housing 100.
As shown in fig. 9, a guiding groove 201 is disposed on an inner wall of the upper panel 200, the guiding groove 201 includes a main groove 202 and a branch groove 203, the main groove 202 is parallel to the heat dissipation side plate 600, one end of the main groove 202 is close to the heat dissipation fan 700, the branch groove 203 is perpendicular to the main groove 202, the branch grooves 203 are in one-to-one correspondence with the heat dissipation lanes 602, one end of the branch groove 203 is communicated with the main groove 202, and the other end extends to the heat dissipation lanes 602. The branch grooves 203 mainly extend to the heat dissipation holes 603 in the heat dissipation lane 602, the branch grooves 203 are located above the heat dissipation holes 603 corresponding to the heat dissipation lane 602, after the heat dissipation fan 700 blows air, the diversion grooves 201 in the inner wall of the upper panel 200 can play a role in diversion, the main grooves 202 conduct the diversion of the wind direction front end plate 500 direction, the branch grooves 203 are encountered, the branch grooves 203 enter the branch grooves 203 respectively, and finally the wind direction front end plate is distributed out from the heat dissipation holes 603, the diversion grooves 201 are arranged, and all the heat dissipation holes 603 can be blown.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims (7)

1. The utility model provides a heat radiation structure of power amplifier, a serial communication port, which comprises an outer shell, the shell includes top panel, lower panel, back end plate, front end plate and two heat dissipation curb plates, set up power amplifier circuit board in the shell, power amplifier circuit board fixes under on the panel, be provided with a plurality of mutual parallel fin on the outer wall of heat dissipation curb plate, constitute the heat dissipation lane between the adjacent fin, the heat dissipation curb plate all is provided with the louvre in the position that corresponds every heat dissipation lane, still is provided with a plurality of convection holes on every fin, be provided with at least one radiator fan on the back end plate.
2. The heat dissipating structure of a power amplifier according to claim 1, wherein the lower plate and the rear plate are integrally connected to form an L-shaped plate, two heat dissipating side plates are installed on both sides of the L-shaped plate, the heat dissipating side plates are fixed to the lower plate and the rear plate by screws, respectively, both sides of the upper plate are fixed to the two heat dissipating side plates by screws, respectively, and the front plate is fixed to the two heat dissipating side plates by screws.
3. The heat dissipating structure of a power amplifier according to claim 2, wherein the rear end plate is attached to the rear end fins of the heat dissipating side plates, and the rear end plate is fixed to the rear end fins by screws.
4. The heat dissipating structure of a power amplifier according to claim 2, wherein the front plate is attached to the front end fins of the heat dissipating side plates, and the front plate is fixed to the front end fins by screws.
5. The heat dissipating structure of a power amplifier according to claim 1, wherein a leg is disposed under the lower panel.
6. The heat dissipating structure of a power amplifier according to claim 1, wherein the top plate has a guiding groove formed on an inner wall thereof, the guiding groove includes a main groove and a supporting groove, the main groove is parallel to the heat dissipating side plate, one end of the main groove is close to the heat dissipating fan, the supporting groove is perpendicular to the main groove, the supporting groove is in one-to-one correspondence with the heat dissipating lane, one end of the supporting groove is connected to the main groove, and the other end of the supporting groove extends to the heat dissipating lane.
7. The heat dissipation structure of a power amplifier of claim 1, wherein the bottom panel is designed with a plurality of air holes.
CN202122001294.8U 2021-08-24 2021-08-24 Heat radiation structure of power amplifier Active CN217693948U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122001294.8U CN217693948U (en) 2021-08-24 2021-08-24 Heat radiation structure of power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122001294.8U CN217693948U (en) 2021-08-24 2021-08-24 Heat radiation structure of power amplifier

Publications (1)

Publication Number Publication Date
CN217693948U true CN217693948U (en) 2022-10-28

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Family Applications (1)

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CN202122001294.8U Active CN217693948U (en) 2021-08-24 2021-08-24 Heat radiation structure of power amplifier

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI840242B (en) * 2023-01-19 2024-04-21 大陸商東莞立訊技術有限公司 Connector assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI840242B (en) * 2023-01-19 2024-04-21 大陸商東莞立訊技術有限公司 Connector assembly

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