CN210781832U - Power amplifier module heat radiation structure - Google Patents
Power amplifier module heat radiation structure Download PDFInfo
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- CN210781832U CN210781832U CN201921168749.1U CN201921168749U CN210781832U CN 210781832 U CN210781832 U CN 210781832U CN 201921168749 U CN201921168749 U CN 201921168749U CN 210781832 U CN210781832 U CN 210781832U
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Abstract
The utility model discloses a power amplifier module heat radiation structure, which comprises a box body, the box body is cuboid, the opening of the box body is provided with a cover plate, the respective sides of two transverse edges of the cover plate are respectively provided with a row of air outlet and a row of air inlet, the air outlet and the air inlet are arranged along the transverse direction, the box body comprises an air inlet side wall plate and an air outlet side wall plate, the interior of the box body is fixedly connected with an installation vertical plate, the installation vertical plate and the air inlet side wall plate are close to each other, thereby forming an air suction groove, the opening of the air suction groove corresponds to the position of the air inlet, the mounting vertical plate is provided with at least two air suction fans which are arranged along the transverse direction, the mounting vertical plate is fixedly connected with at least two partition plates which are arranged along the transverse direction and are arranged along the longitudinal direction, therefore, the inner cavity of the box body is divided into a plurality of airflow channels, each airflow channel is matched with one exhaust fan, and a gap is reserved between the partition plate and the air outlet side wall plate. The existence of the air draft groove enables air to be smoothly pumped in by the air draft fan, the flow of the air is increased, and the heat dissipation effect is improved.
Description
Technical Field
The utility model relates to a power amplifier module heat radiation structure.
Background
The power amplifier is called power amplifier for short, and is generally referred to as a basic device in a sound system, commonly called loudspeaker, and is used for amplifying weak electric signals from a signal source (from a sound console in a professional sound system) to drive a loudspeaker to make sound.
The power amplifier module power of professional stereo set is great, and its inside independent module quantity is more, and its inside narrow and small space leads to the heat dissipation badly very easily to lead to inside component to lose efficacy or burn out because of the high temperature.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a power amplifier module heat radiation structure, which enables a power amplifier to better radiate heat.
The purpose of the utility model is realized by adopting the following technical scheme:
a heat dissipation structure of a power amplifier module comprises a box body, wherein the box body is in a cuboid shape, a cover plate is arranged at an opening of the box body, a row of air outlet and a row of air inlet are respectively arranged at the side of each of two transverse edges of the cover plate, the air outlet and the air inlet are transversely arranged, the box body comprises an air inlet side wall plate and an air outlet side wall plate, a mounting vertical plate is fixedly connected inside the box body, the mounting vertical plate and the air inlet side wall plate are close to each other to form an air suction groove, the opening of the air suction groove corresponds to the position of the air inlet, at least two suction fans are mounted on the mounting vertical plate, the suction fans are transversely arranged, the mounting vertical plate is fixedly connected with at least two partition plates, the partition plates are transversely arranged and longitudinally arranged to divide an inner cavity of the box body into a plurality of air flow channels, and each air flow, and a gap is reserved between the partition plate and the air outlet side wall plate.
Specifically, the box includes the backup pad, the backup pad comprises horizontal plate and vertical board, the bottom edge rigid coupling of vertical board in the diapire of box, the horizontal plate be close to one side edge in the wind groove with the installation riser rigid coupling, leave the bottom space between the horizontal plate with the diapire of box, the bottom space with the wind groove communicates each other.
Specifically, the edge of the top side of the mounting vertical plate is bent to form an upper bent portion, and the upper bent portion is attached to the bottom wall of the cover plate.
Specifically, the upper bending part is connected with the cover plate through a screw.
Specifically, the bottom side edge of the mounting vertical plate is bent to form a lower bending portion, and the lower bending portion is attached to the bottom wall of the box body.
Specifically, the lower bending part is connected with the bottom wall of the box body through a screw.
Specifically, the air outlet is the bar poroid, the bar hole sets up along vertical.
Specifically, the air inlet is in the shape of a strip-shaped hole, and the strip-shaped hole is longitudinally arranged.
Specifically, the opening of box is the notch cuttype opening, the apron with the opening adaptation, the apron with open-ended edge passes through screwed connection.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the inside rigid coupling of box has the installation riser, and the installation riser is close to each other with air inlet lateral wall board to form a convulsions groove, the opening and the air intake position in convulsions groove are corresponding, and when opening the extraction fan, convulsions groove formation negative pressure, thereby take out the case outside air to the convulsions inslot through the air intake. The existence of the air draft groove enables air to be smoothly pumped in by the air draft fan, the flow of the air is increased, and the heat dissipation effect is improved. Each air flow channel is matched with one extraction fan, the air sucked by the extraction fan flows along the corresponding air flow channel and is then discharged through the air outlet, and because the air sucked by the extraction fan flows along the corresponding air flow channel and the cross section area of the air flow channel is smaller relative to the inner cavity of the box body, the air pressure drop of the air in the flowing process of the air flow channel is relatively small, and the air flow speed is relatively high. The air flows in the airflow channel, takes away the heat of the electronic components in the box body and is discharged through the air outlet. The side of two longer edges of apron is provided with one row of air outlet and one row of air intake respectively for the interval of air outlet and air intake is enough big, avoids in the exhaust hot-air of air outlet is again by the air intake by the suction box, thereby improves the radiating effect.
Drawings
Fig. 1 is a perspective view of a heat dissipation structure of a power amplifier module;
fig. 2 is an exploded view of a heat dissipation structure of a power amplifier module;
fig. 3 is a sectional view of the heat dissipation structure of the power amplifier module.
In the figure: 1. a cover plate; 11. an air outlet; 12. an air inlet; 21. an air inlet side wall plate; 22. an air outlet side wall plate; 3. installing a vertical plate; 31. an air draft groove; 32. an exhaust fan; 4. a partition plate; 41. an upper bending part; 42. a lower bending part; 51. a horizontal plate; 52. a vertical plate; 53. a bottom space.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
Referring to fig. 1 to 3, a power amplifier module heat dissipation structure includes a box body, the box body is in a rectangular shape, a cover plate 1 is disposed at an opening of the box body, a row of air outlets 11 and a row of air inlets 12 are respectively disposed at respective sides of two transverse edges of the cover plate 1, and the air outlets 11 and the air inlets 12 are arranged along a transverse direction. The box body comprises an air inlet side wall plate 21 and an air outlet side wall plate 22. The interior of the box body is fixedly connected with an installation vertical plate 3, and the installation vertical plate 3 and the air inlet side wall plate 21 are close to each other, so that an air draft groove 31 is formed. The opening of the air suction groove 31 corresponds to the position of the air inlet 12, the mounting vertical plate 3 is provided with at least two air suction fans 32, and the air suction fans 32 are arranged along the transverse direction. The mounting vertical plate 3 is fixedly connected with at least two partition plates 4, the partition plates 4 are transversely arranged, and the partition plates 4 are longitudinally arranged, so that the inner cavity of the box body is divided into a plurality of airflow channels, each airflow channel is matched with one exhaust fan 32, and a gap is reserved between each partition plate 4 and the air outlet side wall plate 22. The partition plate 4 has electronic devices mounted thereon.
The inside rigid coupling of box has installation riser 3, and installation riser 3 is close to each other with air inlet side wall board 21 to form a convulsions groove 31, convulsions groove 31's opening and air intake 12 positions are corresponding, and when opening the extraction fan 32, convulsions groove 31 forms the negative pressure, thereby takes out the case outside air to convulsions groove 31 in through air intake 12. The air can be smoothly sucked by the suction fan 32 due to the air suction groove 31, so that the flow of the air is increased, and the heat dissipation effect is improved. Each air flow passage is matched with one of the suction fans 32, the air sucked by the suction fan 32 flows along the corresponding air flow passage and is then discharged through the air outlet 11, and because the air sucked by the suction fan 32 flows along the corresponding air flow passage, and the cross-sectional area of the air flow passage is smaller relative to the inner cavity of the box body, the air pressure drop of the air in the flowing process of the air flow passage is relatively small, and the air flow speed is relatively high. The gas flows in the airflow channel, takes away the heat of the electronic components in the box body, and is discharged through the air outlet 11. The side of two longer edges of apron 1 is provided with one row of air outlet 11 and one row of air intake 12 respectively for the interval of air outlet 11 and air intake 12 is enough big, avoids in the box through air inlet 12 exhaust hot-air is sucked again through the air outlet 11, thereby improves the radiating effect.
Specifically, the box includes the backup pad, and the backup pad comprises horizontal plate 51 and vertical plate 52, and the bottom edge rigid coupling of vertical plate 52 in the diapire of box, horizontal plate 51 be close to one side edge and the installation riser 3 rigid coupling in air draft groove 31, leave bottom space 53 between the diapire of horizontal plate 51 and box, bottom space 53 and air draft groove 31 communicate each other. The bottom space 53 allows a space for heat dissipation below the horizontal plate 51, and when the horizontal plate 51 absorbs heat from the electronic device, a part of the heat can be dissipated in the bottom space 53. The bottom space 53 is communicated with the air draft groove 31, and the air draft fan 32 can drive the air in the bottom space 53 to flow when air is exhausted, so that hot air in the bottom space 53 is taken away, and heat is taken away.
Specifically, the top side edge of the partition plate 4 is bent to form an upper bent portion 41, the upper bent portion 41 is attached to the bottom wall of the cover plate 1, the bottom side edge of the installation vertical plate 3 is bent to form a lower bent portion 42, and the lower bent portion 42 is attached to the bottom wall of the box body, so that the partition plate 4 can better separate the space in the box body.
Specifically, the upper bent portion 41 is connected to the cover plate 1 by screws (not shown).
Specifically, the lower bent portion 42 is connected to the bottom wall of the box body by a screw (not shown).
Specifically, the air outlet 11 is in the shape of a strip-shaped hole, and the strip-shaped hole is longitudinally arranged.
Specifically, the air inlet 12 is in the shape of a strip-shaped hole, and the strip-shaped hole is arranged along the longitudinal direction.
Specifically, the opening of the box body is a step-shaped opening, the cover plate 1 is matched with the opening, and the cover plate 1 is connected with the edge of the opening through a screw (not shown).
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (9)
1. A power amplifier module heat radiation structure which characterized in that: the box body is in a cuboid shape, a cover plate is arranged at an opening of the box body, a row of air outlet and a row of air inlet are respectively arranged at the respective sides of two transverse edges of the cover plate, the air outlet and the air inlet are transversely arranged, the box body comprises an air inlet side wall plate and an air outlet side wall plate, an installation vertical plate is fixedly connected in the box body, the installation vertical plate and the air inlet side wall plate are close to each other, so that an air suction groove is formed, the opening of the air suction groove corresponds to the position of the air inlet, at least two suction fans are installed on the installation vertical plate, the suction fans are transversely arranged, at least two partition plates are fixedly connected on the installation vertical plate, the partition plates are transversely arranged, the partition plates are longitudinally arranged, so that an inner cavity of the box body is divided into a plurality of air flow channels, and each air, and a gap is reserved between the partition plate and the air outlet side wall plate.
2. The power amplifier module heat radiation structure of claim 1, characterized in that: the box includes the backup pad, the backup pad comprises horizontal plate and vertical board, the bottom edge rigid coupling of vertical board in the diapire of box, the horizontal plate be close to in one side reason in induced draft groove with installation riser rigid coupling, the horizontal plate with leave the bottom space between the diapire of box, the bottom space with induced draft groove communicates each other.
3. The power amplifier module heat radiation structure of claim 1, characterized in that: the edge of the top side of the mounting vertical plate is bent to form an upper bending part, and the upper bending part is attached to the bottom wall of the cover plate.
4. The power amplifier module heat radiation structure of claim 3, wherein: the upper bending part is connected with the cover plate through a screw.
5. The power amplifier module heat radiation structure of claim 1, characterized in that: the bottom side edge of the mounting vertical plate is bent to form a lower bending part, and the lower bending part is attached to the bottom wall of the box body.
6. The power amplifier module heat radiation structure of claim 5, wherein: the lower bending part is connected with the bottom wall of the box body through screws.
7. The power amplifier module heat radiation structure of claim 1, characterized in that: the air outlet is the bar poroid, the bar hole sets up along vertical.
8. The power amplifier module heat radiation structure of claim 1, characterized in that: the air inlet is in a strip-shaped hole shape, and the strip-shaped hole is longitudinally arranged.
9. The power amplifier module heat radiation structure of claim 1, characterized in that: the opening of box is the notch cuttype opening, the apron with the opening adaptation, the apron with open-ended edge passes through the screw connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168749.1U CN210781832U (en) | 2019-07-23 | 2019-07-23 | Power amplifier module heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168749.1U CN210781832U (en) | 2019-07-23 | 2019-07-23 | Power amplifier module heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210781832U true CN210781832U (en) | 2020-06-16 |
Family
ID=71049974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921168749.1U Active CN210781832U (en) | 2019-07-23 | 2019-07-23 | Power amplifier module heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210781832U (en) |
-
2019
- 2019-07-23 CN CN201921168749.1U patent/CN210781832U/en active Active
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