CN210112548U

CN210112548U - Power amplifier board that radiating effect is good

Info

Publication number: CN210112548U
Application number: CN201920878592.5U
Authority: CN
Inventors: 梁念忠
Original assignee: St Paul Enping Acoustics Equipment Co Ltd
Current assignee: St Paul Enping Acoustics Equipment Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-02-21
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses a power amplifier board that radiating effect is good, including first backup pad and second backup pad, one side of first backup pad and second backup pad all is equipped with the buffer block, and two relative one side joints of buffer block have same installation casing, the top outer wall of installation casing is equipped with evenly distributed's energy-absorbing strip, and the top of energy-absorbing strip is equipped with the heat-conducting plate, the top of heat-conducting plate is equipped with the power amplifier board body, the bottom of heat-conducting plate is provided with evenly distributed's conducting strip, and the bottom of conducting strip extends to the inside of installation casing, the bottom outer wall of installation casing is pegged graft and is had evenly distributed's radiating rod. The utility model discloses the radiating effect is good, avoids piling up of dust to influence the radiating effect, and the baffle avoids scraping the dust of moving and drops to the heat-conducting plate through the perforation when scraping the ash on, bloies the heat dissipation to electronic component and heat dissipation rod respectively, and the deflector guides the dispersion to the air current in the fixing base, and the radiating effect is better.

Description

Power amplifier board that radiating effect is good

Technical Field

The utility model relates to a power amplifier board technical field especially relates to a power amplifier board that radiating effect is good.

Background

The power amplifier is called power amplifier for short, and is the most basic equipment in sound system, and is used for amplifying weak electric signal from signal source to drive loudspeaker to make sound, and the power amplifier board is used for welding various electric elements in the power amplifier on a circuit board to ensure normal operation of all electric elements.

Through the retrieval, chinese patent application number is CN201821070305. X's patent discloses a high-efficient heat dissipation type power amplifier board, including the power amplifier board main part, upper end surface one side of power amplifier board main part is equipped with the heating panel, and one side fixed mounting that upper end surface one side center of power amplifier board main part is close to the heating panel has a linkage plate, the upper end external surface fixed mounting of linkage plate has a linkage block, and one side surface of heating panel keeps away from the linkage plate and is equipped with the water-cooling box, front end surface top one side movable mounting of water-cooling box has the connecting plate, and the front end surface upper end movable mounting of water-cooling box has the water injection pipe. The efficient heat dissipation type power amplifier board in the above patent has the following disadvantages: the power amplifier board and the electronic components on the power amplifier board are not well protected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a power amplifier board with good heat dissipation effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a power amplifier board with good heat dissipation effect comprises a first supporting board and a second supporting board, wherein one side of the first supporting board and one side of the second supporting board are both provided with a buffer block, and the opposite sides of the two buffer blocks are clamped with the same mounting shell, the outer wall of the top of the mounting shell is provided with evenly distributed energy-absorbing strips, the top of the energy absorption strip is provided with a heat conduction plate, the top of the heat conduction plate is provided with a power amplification plate body, the bottom of the heat conduction plate is provided with heat conduction sheets which are uniformly distributed, the bottom of the heat conducting fin extends to the inside of the installation shell, the outer wall of the bottom of the installation shell is inserted with evenly distributed heat dissipation rods, the interior of the mounting shell is filled with heat conducting liquid, the bottom parts of the first supporting plate and the second supporting plate are respectively provided with an energy absorbing plate, and the bottom of two energy-absorbing boards all is equipped with the fixed plate, the top of first backup pad and second backup pad is equipped with same protective cover.

As a further aspect of the present invention: the perforation has all been seted up to the both sides of protective cover, and the top of protective cover is equipped with the casing, and the both sides inner wall of casing passes through the bearing and connects same rolling axle, and the winding of the circumference department of rolling axle has two to connect the rope.

As a further aspect of the present invention: two the one end of connecting the rope all is equipped with the fly leaf, and the bottom of two fly leaves all is equipped with evenly distributed's the strip of scraping, the internal diameter of scraping the strip and the external diameter looks adaptation of baffle.

As a further aspect of the present invention: baffles are arranged on two sides of the top of the protective cover along the inner walls of two sides of the through hole.

As a further aspect of the present invention: one side of first backup pad is equipped with the fixing base, and one side of fixing base is equipped with the fan, and second air outlet, first air outlet have been seted up respectively to the top and the bottom of one side of first backup pad.

As a further aspect of the present invention: one side of the first supporting plate is provided with a guide plate.

As a further aspect of the present invention: two the top of energy-absorbing board all is equipped with electric telescopic handle, and two electric telescopic handle's one end is equipped with same lifter plate, and evenly distributed's through-hole is seted up at the top of lifter plate, and the internal diameter of through-hole and the external diameter looks adaptation of heat dissipation rod.

The utility model has the advantages that:

1. by arranging the heat conducting plate and the heat dissipation rod, the heat conducting plate guides heat energy into the mounting shell through the heat conducting sheet and dissipates heat through the heat dissipation rod, the heat dissipation effect is good, and meanwhile, the energy absorption strip and the energy absorption plate play a role in absorbing energy and absorbing shock;

2. through the arrangement of the movable plate, the scraping strip and the baffle plate, the scraping strip scrapes the top of the protective cover to clean ash, so that dust on the top of the protective cover can be conveniently removed, the heat dissipation effect is prevented from being influenced by the accumulation of the dust, and the baffle plate prevents the scraped dust from falling onto the heat conducting plate through the through hole during ash scraping;

3. through setting up fan and deflector, the air is blown into to the fixing base inside to the fan, and the air current is bloied the heat dissipation through second air outlet and first air outlet respectively to electronic component and heat dissipation pole, and the deflector guides the dispersion to the air current in the fixing base, and the radiating effect is better.

Drawings

Fig. 1 is a schematic structural diagram of a power amplifier board with a good heat dissipation effect in embodiment 1;

fig. 2 is a cross-sectional view of a side structure of a protective cover of a power amplifier board with a good heat dissipation effect in embodiment 1;

fig. 3 is a schematic view of a structure of an installation housing of a power amplifier board with a good heat dissipation effect in embodiment 1;

fig. 4 is a cross-sectional view of the overall side structure of a power amplifier board with a good heat dissipation effect as proposed in embodiment 2.

In the figure: 1 first backup pad, 2 first air outlets, 3 fans, 4 deflector, 5 fixing bases, 6 second air outlets, 7 baffles, 8 perforation, 9 protective covers, 10 casings, 11 winding shafts, 12 connecting ropes, 13 heat-conducting plates, 14 energy-absorbing strips, 15 installation casings, 16 buffer blocks, 17 heat-conducting strips, 18 radiating rods, 19 lifting plates, 20 electric telescopic rods, 21 fixed plates, 22 energy-absorbing plates, 23 movable plates, 24 scraping strips, 25 second backup pads and 26 power amplifier plate bodies.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, a power amplifier board with good heat dissipation effect comprises a first supporting board 1 and a second supporting board 25, wherein one side of each of the first supporting board 1 and the second supporting board 25 is connected with a buffer block 16 through a fastening bolt, one opposite side of each of the two buffer blocks 16 is connected with a same mounting casing 15 in a clamping manner, the outer wall of the top of the mounting casing 15 is connected with energy absorbing strips 14 which are uniformly distributed through fastening bolts, the tops of the energy absorbing strips 14 are connected with a heat conducting plate 13 through fastening bolts, the top of the heat conducting plate 13 is connected with a power amplifier board body 26 through fastening bolts, the bottom of the heat conducting plate 13 is provided with heat conducting fins 17 which are uniformly distributed, the bottoms of the heat conducting fins 17 extend to the inside of the mounting casing 15, the outer wall of the bottom of the mounting casing 15 is inserted with heat dissipation rods 18 which are uniformly distributed, the inside of the mounting casing 15 is filled with heat conducting liquid, the bottoms, and the bottom of two energy-absorbing boards 22 all is connected with fixed plate 21 through fastening bolt, the top of first backup pad 1 and second backup pad 25 is connected with same protective cover 9 through fastening bolt, through fixed plate 21, first backup pad 1 and second backup pad 25 will install casing 15 installation fixed, install the top of fixing at heat-conducting plate 13 with power board body 26, heat-conducting plate 13 leads heat energy to in installing casing 15 through conducting strip 17, and dispel the heat through cooling rod 18, the radiating effect is good, energy-absorbing strip 14 and energy-absorbing board 22 play energy-absorbing effect simultaneously, protective cover 9 plays fine guard action to the electronic component on power board body 26.

Wherein, perforation 8 has all been seted up to the both sides of protective cover 9, and protective cover 9's top has been connected with casing 10 through fastening bolt, and same rolling axle 11 is connected through the bearing to the both sides inner wall of casing 10, and the circumference department winding of rolling axle 11 has two to connect rope 12.

Wherein, two one ends of connecting rope 12 all are connected with fly leaf 23 through fastening bolt, and the bottom of two fly leaves 23 all is connected with evenly distributed's strip 24 of scraping through fastening bolt, scrape the internal diameter of strip 24 and the external diameter looks adaptation of baffle 7, wind-up shaft 11 rotates and expandes and connects rope 12, fly leaf 23 receives gravity downstream, scrape strip 24 and scrape the deashing to the top of protective cover 9, be convenient for clear away the top dust of protective cover 9, avoid piling up of dust to influence the radiating effect.

Wherein, the both sides at protective cover 9 top are connected with baffle 7 along the both sides inner wall of perforation 8 through fastening bolt, and the dust that baffle 7 avoided scraping when scraping the ash drops to power board body 26 on through perforation 8.

Wherein, one side of first backup pad 1 is connected with fixing base 5 through fastening bolt, and one side of fixing base 5 is connected with fan 3 through fastening bolt, and second air outlet 6, first air outlet 2 have been seted up respectively to the top and the bottom of 1 one side of first backup pad, and fan 3 is to the inside air of blowing of fixing base 5, and the air current is through second air outlet 6 and first air outlet 2 respectively to electronic component and heat dissipation pole 18 heat dissipation of blowing, and the radiating effect is better.

Wherein, one side of first backup pad 1 is connected with deflector 4 through fastening bolt, and deflector 4 guides the dispersion to the air current in the fixing base 5.

The working principle is as follows: the installation shell 15 is installed and fixed through the fixing plate 21, the first support plate 1 and the second support plate 25, the power amplifier plate body 26 is installed and fixed on the top of the heat conducting plate 13, the heat conducting plate 13 guides heat energy into the installation shell 15 through the heat conducting fins 17, and the heat is radiated through the heat radiating rods 18, the heat radiation effect is good, meanwhile, the energy absorbing strips 14 and the energy absorbing plate 22 play a role in absorbing energy and damping, the protective cover 9 plays a good role in protecting electronic elements on the power amplifier plate body 26, the winding shaft 11 rotates and unfolds the connecting rope 12, the movable plate 23 moves downwards under the action of gravity, the scraping strips 24 scrape and clean the top of the protective cover 9, so that dust on the top of the protective cover 9 can be conveniently removed, the heat radiation effect is prevented from being influenced by accumulation of dust, the baffle 7 prevents the scraped dust from falling onto the power amplifier plate body 26 through the through holes 8, the air current is through second air outlet 6 and first air outlet 2 respectively to electronic component and heat dissipation pole 18 heat dissipation of blowing, and the radiating effect is better, and deflector 4 guides the dispersion to the air current in the fixing base 5.

Example 2

Referring to fig. 4, a power amplifier board that radiating effect is good, this embodiment compares in embodiment 1, the top of two energy-absorbing boards 22 all is connected with electric telescopic handle 20 through fastening bolt, and the one end of two electric telescopic handle 20 is connected with same lifter plate 19 through fastening bolt, evenly distributed's through-hole is seted up at lifter plate 19's top, and the internal diameter of through-hole and the external diameter looks adaptation of cooling rod 18, accessible electric telescopic handle 20 promotes lifter plate 19 and carries out elevating movement, scrape the outer wall of cooling rod 18 completely, avoid the dust adhesion to influence its radiating effect in cooling rod 18's circumference department.

The working principle is as follows: the heat dissipation rod 18 is used for dissipating heat, the lifting plate 19 can be pushed to move up and down through the electric telescopic rod 20, the outer wall of the heat dissipation rod 18 is scraped completely, and the phenomenon that dust is adhered to the periphery of the heat dissipation rod 18 to affect the heat dissipation effect of the heat dissipation rod is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The power amplifier board with good heat dissipation effect comprises a first supporting board (1) and a second supporting board (25), and is characterized in that buffer blocks (16) are arranged on one sides of the first supporting board (1) and the second supporting board (25), a same installation shell (15) is clamped on one side, opposite to the two buffer blocks (16), of the first supporting board and the second supporting board, energy absorption strips (14) are uniformly distributed on the outer wall of the top of the installation shell (15), a heat conduction plate (13) is arranged on the top of the energy absorption strips (14), a power amplifier board body (26) is arranged on the top of the heat conduction plate (13), heat conduction sheets (17) are uniformly distributed on the bottom of the heat conduction plate (13), the bottoms of the heat conduction sheets (17) extend to the inside of the installation shell (15), heat dissipation rods (18) are uniformly distributed on the outer wall of the bottom of the installation shell (15) in an inserted mode, and heat conduction liquid is filled in the installation, the bottom of first backup pad (1) and second backup pad (25) all is equipped with energy-absorbing board (22), and the bottom of two energy-absorbing boards (22) all is equipped with fixed plate (21), the top of first backup pad (1) and second backup pad (25) is equipped with same protective cover (9).

2. The power amplifier board with good heat dissipation effect as claimed in claim 1, wherein two sides of the protecting cover (9) are both provided with through holes (8), a housing (10) is disposed on the top of the protecting cover (9), inner walls of two sides of the housing (10) are connected to a winding shaft (11) through a bearing, and two connecting ropes (12) are wound around the circumference of the winding shaft (11).

3. The power amplifier board with good heat dissipation effect as claimed in claim 2, wherein one end of each of the two connecting ropes (12) is provided with a movable plate (23), the bottoms of the two movable plates (23) are provided with evenly distributed scraping strips (24), and the inner diameters of the scraping strips (24) are matched with the outer diameter of the baffle (7).

4. The power amplifier board with good heat dissipation effect as claimed in claim 3, wherein the top of the protecting cover (9) has baffles (7) along the inner walls of the through holes (8).

5. The power amplifier board with good heat dissipation effect as claimed in claim 4, wherein a fixing seat (5) is disposed on one side of the first supporting board (1), a fan (3) is disposed on one side of the fixing seat (5), and a second air outlet (6) and a first air outlet (2) are respectively disposed at the top and the bottom of one side of the first supporting board (1).

6. The power amplifier board with good heat dissipation effect as claimed in claim 5, wherein a guide plate (4) is disposed on one side of the first support plate (1).

7. The power amplifier board with good heat dissipation effect as claimed in claim 6, wherein the top of each of the two energy-absorbing boards (22) is provided with an electric telescopic rod (20), one end of each of the two electric telescopic rods (20) is provided with a same lifting board (19), the top of each lifting board (19) is provided with through holes which are uniformly distributed, and the inner diameter of each through hole is matched with the outer diameter of the heat dissipation rod (18).