CN209859622U - Vehicle-mounted karaoke player - Google Patents
Vehicle-mounted karaoke player Download PDFInfo
- Publication number
- CN209859622U CN209859622U CN201921219581.2U CN201921219581U CN209859622U CN 209859622 U CN209859622 U CN 209859622U CN 201921219581 U CN201921219581 U CN 201921219581U CN 209859622 U CN209859622 U CN 209859622U
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- fixedly connected
- heat dissipation
- wall
- bottom shell
- block
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Abstract
The utility model relates to a power amplifier technical field specifically is an on-vehicle karaoke player, including the drain pan, one side fixedly connected with control panel of drain pan outer wall, one side on control panel surface is provided with control knob, the opposite side fixedly connected with microphone jack on control panel surface, the bottom surface fixedly connected with second radiating block of drain pan inner wall, the top surface fixedly connected with circuit board of second radiating block. The utility model has the advantages that: through having set up first radiating block, and first radiating block is located the middle part of circuit board top surface, and one side fixedly connected with electrical unit that the circuit board top surface is close to control panel simultaneously, and electrical unit's one side fixedly connected with power amplifier unit is kept away from to the circuit board top surface, makes first radiating block be located between electrical unit and the power amplifier unit, and the heat that electrical unit produced can absorb through first radiating block, can not influence the normal work of power amplifier unit, reaches the purpose that improves life.
Description
Technical Field
The utility model relates to a power amplifier equipment technical field, especially a vehicle-mounted karaoke player.
Background
The car karaoke player is also called as a car power amplifier, which is a short name of a power amplifier, commonly called as a loudspeaker, and is the most basic equipment in a sound system, and the task of the car karaoke player is to amplify weak electric signals from a signal source so as to drive a loudspeaker to make sound. The power amplifier mainly comprises circuit board, power amplifier unit and electrical unit, because amplifier circuit can produce the heat, in order to guarantee the normal work of power amplifier, it dispels the heat soon to need to install the heat additional, but the radiating block of the on-vehicle karaoke player who uses at present fixes the one side at casing inner wall mostly, this just leads to electrical unit and power amplifier unit design in the same one side of radiating block, electrical unit generates heat and still can influence power amplifier unit's normal use, the microphone jack of the on-vehicle karaoke player who uses at present only leans on the reed centre gripping simultaneously, very easily lead to the joint to drop when dragging the microphone connecting wire, influence normal use, consequently the utility model provides an on-vehicle karaoke player for solve the not enough of current on-vehicle karaoke player.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide an on-vehicle karaoke player.
The purpose of the utility model is realized through the following technical scheme: a vehicle-mounted karaoke player comprises a bottom shell, wherein a control panel is fixedly connected to one side of the outer wall of the bottom shell, a control knob is arranged on one side of the surface of the control panel, a microphone jack is fixedly connected to the other side of the surface of the control panel, a second heat dissipation block is fixedly connected to the bottom surface of the inner wall of the bottom shell, a circuit board is fixedly connected to the top surface of the second heat dissipation block, a power supply unit is fixedly connected to one side, close to the control panel, of the top surface of the circuit board, a power amplification unit is fixedly connected to one side, far away from the power supply unit, of the top surface of the circuit board, a first heat dissipation block is fixedly connected to the middle of the top surface of the circuit board, a plurality of heat dissipation holes are formed in the two sides of the outer wall of the bottom shell, the groove is characterized in that partition plates are fixedly connected to the two sides of the inner wall of the groove, a clamping pin is connected to the middle of each partition plate in a sliding mode, a handle is fixedly connected to one side of each clamping pin, a reset spring is sleeved on the surface of each clamping pin, and a rubber pad is fixedly connected to one side of the inner wall of the sliding hole.
Optionally, the height of the first heat dissipation block is equal to that of the inner wall of the bottom casing, and the position of the first heat dissipation block corresponds to the positions of the plurality of heat dissipation holes.
Optionally, the first heat dissipation block and the second heat dissipation block are both made of aluminum alloy materials, and fins are arranged on one sides of the first heat dissipation block and the second heat dissipation block.
Optionally, the fins of the second heat dissipation block penetrate through the bottom surface of the bottom case, and the fins of the second heat dissipation block protrude from the bottom surface of the bottom case.
Optionally, four corners of the bottom surface of the outer wall of the bottom case are fixedly connected with supporting legs, and the height of each supporting leg is greater than the length of the second heat dissipation block fin protruding out of the bottom case.
One side card at drain pan top is equipped with the bayonet socket, the inner wall joint of bayonet socket has the fixed block, the middle part fixedly connected with power cord of fixed block, the one end and the electrical unit fixed connection of power cord.
The clamping pin penetrates through the inner wall of the microphone jack, and the position of the clamping pin corresponds to that of the rubber pad.
The handle is arranged at the position corresponding to the position of the sliding hole, the handle is connected with the sliding hole in a sliding mode, and the handle penetrates through the sliding hole.
The handle passes through fixedly connected with chucking round pin and baffle sliding connection, the baffle size is greater than reset spring's size.
One side of the clamping pin, which is far away from the partition plate, is provided with a protruding area, and the size of the protruding area is larger than that of the reset spring.
The utility model has the advantages of it is following:
1. through having set up first radiating block, and first radiating block is located the middle part of circuit board top surface, the circuit board top surface is close to control panel's one side fixedly connected with electrical unit simultaneously, electrical unit's one side fixedly connected with power amplifier unit is kept away from to the circuit board top surface, can make first radiating block be located between electrical unit and the power amplifier unit, thereby make electrical unit and power amplifier unit separate into two spaces, the heat that electrical unit produced can directly absorb through first radiating block, can not influence the normal work of power amplifier unit, reach the purpose that improves power amplifier unit life.
2. The second heat dissipation block is arranged, the circuit board is fixedly connected to the top surface of the second heat dissipation block, meanwhile, fins of the second heat dissipation block penetrate through the bottom surface of the bottom shell, the fins of the second heat dissipation block protrude out of the bottom surface of the bottom shell, the second heat dissipation block can directly absorb heat generated by the circuit board, the heat flows to the outside of the bottom shell through the fins of the second heat dissipation block, supporting legs are fixedly connected to four corners of the bottom surface of the outer wall of the bottom shell, the height of the supporting legs is larger than the length of the protruding portion of the fins of the second heat dissipation block out of the bottom shell, gaps are formed in the bottom surface of the bottom shell, due to a narrow tube effect, air can quickly pass through the gaps, and therefore the heat on.
3. Through having set up the recess, the edge fixedly connected with apron of fluted wall, the sliding hole has been seted up at the middle part of apron, the equal fixedly connected with baffle in both sides of fluted wall, and the middle part sliding connection of baffle has the chucking round pin, reset spring has been cup jointed on the surface of chucking round pin, one side fixedly connected with rubber pad of sliding hole inner wall, and the position of chucking round pin is corresponding with the position of rubber pad, can make the microphone bolt insert behind the microphone jack chucking under reset spring's promotion by the chucking round pin, because the chucking round pin can support tight rubber pad with the end of microphone bolt simultaneously, can improve contact friction greatly, can prevent that the microphone bolt from droing, reaches the purpose that improves stability in use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
fig. 4 is a schematic view of the internal structure of the groove of the present invention.
Fig. 5 is a schematic structural view of a second heat dissipation block of the present invention.
Fig. 6 is a schematic structural diagram of the cover plate of the present invention.
In the figure: 1-bottom shell, 2-control panel, 3-circuit board, 4-power amplifier unit, 5-power supply unit, 6-first radiating block, 7-fixed block, 8-power line, 9-microphone jack, 10-control knob, 11-radiating hole, 12-, 13-second radiating block, 14-supporting leg, 15-groove, 16-clapboard, 17-cover plate, 18-clamping pin, 19-reset spring, 20-handle, 21-sliding hole and 22-rubber pad.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1 to 6, a vehicle karaoke player comprises a bottom shell 1, a control panel 2 fixedly connected to one side of the outer wall of the bottom shell 1, a control knob 10 arranged on one side of the surface of the control panel 2, a microphone jack 9 fixedly connected to the other side of the surface of the control panel 2, a second heat dissipation block 13 fixedly connected to the bottom surface of the inner wall of the bottom shell 1, a circuit board 3 fixedly connected to the top surface of the second heat dissipation block 13, a power supply unit 5 fixedly connected to one side of the top surface of the circuit board 3 close to the control panel 2, a power amplification unit 4 fixedly connected to one side of the top surface of the circuit board 3 far from the power supply unit 5, a first heat dissipation block 6 fixedly connected to the middle of the top surface of the circuit board 3, a plurality of heat dissipation holes 11 arranged on both sides of the outer wall of the bottom shell 1, a groove, a sliding hole 21 is formed in the middle of the cover plate 17, partition plates 16 are fixedly connected to the two sides of the inner wall of the groove 15, a clamping pin 18 is connected to the middle of each partition plate 16 in a sliding mode, a handle 20 is fixedly connected to one side of each clamping pin 18, a return spring 19 is sleeved on the surface of each clamping pin 18, and a rubber pad 22 is fixedly connected to one side of the inner wall of the sliding hole 21.
As an optional technical solution of the utility model:
the height of the first radiating block 6 is equal to that of the inner wall of the bottom shell 1, and the position of the first radiating block 6 corresponds to the positions of the plurality of radiating holes 11, so that the heat on the surface of the first radiating block 6 can be taken away by circulating air formed by the plurality of radiating holes 11.
As an optional technical solution of the utility model:
the first radiating block 6 and the second radiating block 13 are both made of aluminum alloy materials, the aluminum alloy materials have good heat transfer effects and are suitable for being used as radiating metal materials, fins are arranged on one sides of the first radiating block 6 and one side of the second radiating block 13, contact areas between the fins and air can be increased, and radiating efficiency is improved.
As an optional technical solution of the utility model:
the fins of the second heat dissipation block 13 penetrate the bottom surface of the bottom case 1, and the fins of the second heat dissipation block 13 protrude from the bottom surface of the bottom case 1, so that the heat of the second heat dissipation block 13 can flow and dissipate to the outside of the bottom case 1 through the fins.
As an optional technical solution of the utility model:
supporting legs 14 are fixedly connected to four corners of the bottom surface of the outer wall of the bottom shell 1, and the height of each supporting leg 14 is larger than the length of the corresponding fin, protruding out of the bottom shell 1, of the second heat dissipation block 13, so that a narrow space is supported by the bottom surface of the bottom shell 1 for air circulation and heat dissipation.
As an optional technical solution of the utility model:
one side card at 1 top of drain pan is equipped with bayonet socket 12, and the inner wall joint of bayonet socket 12 has fixed block 7, and the middle part fixedly connected with power cord 8 of fixed block 7, the one end and the 5 fixed connection of electrical unit of power cord 8 can fix power cord 8 through the joint of fixed block 7 with bayonet socket 12, prevent that power cord 8 from rocking in drain pan 1.
As an optional technical solution of the utility model:
the clamping pin 18 penetrates through the inner wall of the microphone jack 9, and the position of the clamping pin 18 corresponds to the position of the rubber pad 22, so that the clamping pin 18 can be matched with the rubber pad 22 to clamp the microphone plug pin to prevent the microphone plug pin from falling off.
As an optional technical solution of the utility model:
the position of the handle 20 corresponds to the position of the slide hole 21, the handle 20 is slidably connected to the slide hole 21, and the handle 20 is inserted into the slide hole 21, so that the user can pull the fastening pin 18 through the handle 20 outside the cover 17.
As an optional technical solution of the utility model:
the handle 20 is connected with the partition plate 16 in a sliding mode through the fixedly connected clamping pin 18, and the size of the partition plate 16 is larger than that of the return spring 19, so that the partition plate 16 can block the return spring 19 and the return spring 19 is prevented from falling off.
As an optional technical solution of the utility model:
the side of the clamping pin 18 away from the partition 16 is provided with a protruding area, and the size of the protruding area is larger than that of the return spring 19, so that the return spring 19 can support against the protruding area, and the return spring 19 can push the clamping pin 18 to clamp.
The working process of the utility model is as follows: when in use, a matched top plate is added on the top of the bottom shell 1, then the power supply is switched on for playing, then the first radiating block 6 is arranged, the first radiating block 6 is positioned in the middle of the top surface of the circuit board 3, meanwhile, one side of the top surface of the circuit board 3, which is close to the control panel 2, is fixedly connected with the power supply unit 5, one side of the top surface of the circuit board 3, which is far away from the power supply unit 5, is fixedly connected with the power amplification unit 4, the first radiating block 6 can be positioned between the power supply unit 5 and the power amplification unit 4, so that the power supply unit 5 and the power amplification unit 4 are separated into two spaces, the heat generated by the power supply unit 5 can be directly absorbed through the first radiating block 6, the normal work of the power amplification unit 4 can not be influenced, the purpose of prolonging the service life of the power amplification unit 4 is achieved, then the second radiating block 13 is arranged, the top surface, the fins of the second heat dissipation block 13 protrude out of the bottom surface of the bottom shell 1, so that the second heat dissipation block 13 can directly absorb heat generated by the circuit board 3, and the heat flows out of the bottom shell 1 through the fins of the second heat dissipation block 13, because the four corners of the bottom surface of the outer wall of the bottom shell 1 are fixedly connected with the supporting legs 14, the height of the supporting legs 14 is greater than the length of the fins of the second heat dissipation block 13 protruding out of the bottom shell 1, so that a gap is formed on the bottom surface of the bottom shell 1, air can quickly pass through the gap due to the narrow tube effect, so as to take away the heat on the fins of the second heat dissipation block 13, thereby achieving the purpose of improving the heat dissipation efficiency, finally, through the groove 15, the edge of the inner wall of the groove 15 is fixedly connected with the cover plate 17, the middle part of the cover plate 17 is provided with the sliding hole 21, the two sides of the inner wall of the, one side fixedly connected with rubber pad 22 of sliding hole 21 inner wall, and the position of chucking round pin 18 is corresponding with the position of rubber pad 22, can make the microphone bolt insert behind microphone jack 9 by chucking round pin 18 chucking under reset spring 19's promotion, because chucking round pin 18 can support tight rubber pad 22 with the end of microphone bolt simultaneously, can improve contact friction greatly, can prevent that the microphone bolt from droing, reaches the purpose that improves stability in use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A vehicle-mounted karaoke player comprises a bottom shell (1), and is characterized in that: a control panel (2) is fixedly connected to one side of the outer wall of the bottom shell (1), a control knob (10) is arranged on one side of the surface of the control panel (2), a microphone jack (9) is fixedly connected to the other side of the surface of the control panel (2), a second heat dissipation block (13) is fixedly connected to the bottom surface of the inner wall of the bottom shell (1), a circuit board (3) is fixedly connected to the top surface of the second heat dissipation block (13), a power supply unit (5) is fixedly connected to one side, close to the control panel (2), of the top surface of the circuit board (3), a power amplification unit (4) is fixedly connected to one side, far away from the power supply unit (5), a first heat dissipation block (6) is fixedly connected to the middle of the top surface of the circuit board (3), a plurality of heat dissipation holes (11) are formed in both sides of the outer wall of the bottom shell (1), and a groove (15, edge fixedly connected with apron (17) of recess (15) inner wall, slide opening (21) have been seted up at the middle part of apron (17), the equal fixedly connected with baffle (16) in both sides of recess (15) inner wall, the middle part sliding connection of baffle (16) has chucking round pin (18), one side fixedly connected with handle (20) of chucking round pin (18), reset spring (19) have been cup jointed on the surface of chucking round pin (18), one side fixedly connected with rubber pad (22) of slide opening (21) inner wall.
2. The karaoke player as claimed in claim 1, wherein: the height of the first radiating block (6) is equal to that of the inner wall of the bottom shell (1), and the position of the first radiating block (6) corresponds to the positions of the radiating holes (11).
3. The karaoke player as claimed in claim 1, wherein: the heat dissipation structure is characterized in that the first heat dissipation block (6) and the second heat dissipation block (13) are made of aluminum alloy materials, and fins are arranged on one side of the first heat dissipation block (6) and one side of the second heat dissipation block (13).
4. The karaoke player as claimed in claim 1, wherein: the fins of the second heat dissipation block (13) penetrate through the bottom surface of the bottom shell (1), and the fins of the second heat dissipation block (13) protrude out of the bottom surface of the bottom shell (1).
5. The karaoke player as claimed in claim 1, wherein: supporting legs (14) are fixedly connected to four corners of the bottom surface of the outer wall of the bottom shell (1), and the height of each supporting leg (14) is larger than the length of the corresponding second heat dissipation block (13) in the manner that the corresponding fin protrudes out of the bottom shell (1).
6. The karaoke player as claimed in claim 1, wherein: one side card at drain pan (1) top is equipped with bayonet socket (12), the inner wall joint of bayonet socket (12) has fixed block (7), the middle part fixedly connected with power cord (8) of fixed block (7), the one end and the electrical unit (5) fixed connection of power cord (8).
7. The karaoke player as claimed in claim 1, wherein: the clamping pin (18) penetrates through the inner wall of the microphone jack (9), and the position of the clamping pin (18) corresponds to the position of the rubber pad (22).
8. The karaoke player as claimed in claim 1, wherein: the position of the handle (20) corresponds to the position of the sliding hole (21), the handle (20) is connected with the sliding hole (21) in a sliding mode, and the handle (20) penetrates through the sliding hole (21).
9. The karaoke player as claimed in claim 1, wherein: the handle (20) is in sliding connection with the partition plate (16) through a clamping pin (18) fixedly connected with the handle, and the size of the partition plate (16) is larger than that of the return spring (19).
10. The karaoke player as claimed in claim 1, wherein: the side of the clamping pin (18) far away from the partition plate (16) is provided with a protruding area, and the size of the protruding area is larger than that of the return spring (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921219581.2U CN209859622U (en) | 2019-07-31 | 2019-07-31 | Vehicle-mounted karaoke player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921219581.2U CN209859622U (en) | 2019-07-31 | 2019-07-31 | Vehicle-mounted karaoke player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209859622U true CN209859622U (en) | 2019-12-27 |
Family
ID=68943239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921219581.2U Active CN209859622U (en) | 2019-07-31 | 2019-07-31 | Vehicle-mounted karaoke player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209859622U (en) |
-
2019
- 2019-07-31 CN CN201921219581.2U patent/CN209859622U/en active Active
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