CN216218487U - Power amplifier capable of automatically cleaning ventilation opening - Google Patents
Power amplifier capable of automatically cleaning ventilation opening Download PDFInfo
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- CN216218487U CN216218487U CN202122703647.9U CN202122703647U CN216218487U CN 216218487 U CN216218487 U CN 216218487U CN 202122703647 U CN202122703647 U CN 202122703647U CN 216218487 U CN216218487 U CN 216218487U
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- filter screen
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Abstract
The utility model discloses a power amplifier capable of automatically cleaning a vent, which comprises a shell, a power meter, an indicator light, an adjusting knob, a switch, a circuit board, an air outlet, a heat dissipation mechanism, an air inlet filter screen and a filter screen cleaning mechanism, wherein the power meter, the indicator light, the adjusting knob, the switch, the circuit board, the air outlet, the heat dissipation mechanism, the air inlet filter screen and the filter screen cleaning mechanism are arranged in the shell: a power meter provided at each of left and right sides of a front end surface of the housing; the indicating lamp is arranged at the upper side of the middle part of the front end surface of the shell; the adjusting knob is connected to the lower side position of the indicator light; and the switch is arranged at the position below the right side of the front end face of the shell. The utility model can conveniently improve the heat dissipation efficiency of the circuit board through the heat dissipation mechanism, thereby effectively prolonging the service life of the power amplifier, and can conveniently automatically clean the air inlet filter screen through the temperature control filter screen cleaning mechanism of the circuit board, thereby ensuring the normal heat dissipation function of the power amplifier.
Description
Technical Field
The utility model relates to the technical field of power amplifiers, in particular to a power amplifier capable of automatically cleaning a vent.
Background
The power amplifier is an amplifier which can generate maximum power output to drive a certain load under the condition of a given distortion rate, and plays a role of 'organization and coordination' in the whole sound system, so that sound can provide good sound quality output, but the existing power amplifier has the following defects:
1. the power amplifier can generate larger heat when electric elements are used, the conventional power amplifier adopts a common heat dissipation fan to dissipate heat of an internal circuit board, and the heat dissipation effect is poor, so that the power amplifier is easy to damage due to overheating;
2. an air inlet vent of the conventional power amplifier is easy to block after being used for a long time, so that heat in the power amplifier cannot be discharged in time, and a circuit board of the power amplifier is damaged;
therefore, a power amplifier capable of self-cleaning the vent is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a power amplifier capable of automatically cleaning a vent hole, so as to solve the problems that the existing power amplifier is poor in heat dissipation effect and easy to block an air inlet vent hole in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a can clear up power amplifier of vent by oneself, includes the casing, still includes electric power meter, pilot lamp, adjust knob, switch, circuit board, air outlet, heat dissipation mechanism, air inlet filter screen and filter screen clearance mechanism:
a power meter provided at each of left and right sides of a front end surface of the housing;
the indicating lamp is arranged at the upper side of the middle part of the front end surface of the shell;
the adjusting knob is connected to the lower side position of the indicator light;
the switch is arranged at the lower position of the right side of the front end surface of the shell;
a circuit board connected to an inner middle position of the housing;
the air outlet is arranged on the left side end face of the shell;
the heat dissipation mechanism is arranged inside the shell and is arranged at the right side position of the air outlet;
the air inlet filter screen is embedded and connected into the right end face side wall of the shell;
filter screen clearance mechanism, filter screen clearance mechanism set up in the inside of casing, just filter screen clearance mechanism set up in the left side position of air inlet filter screen.
By adopting the technical scheme, the heat dissipation efficiency of the power amplifier can be improved conveniently through the heat dissipation mechanism, the external dust can be filtered conveniently through the air inlet filter screen, and the dust accumulated on the air inlet filter screen can be cleaned conveniently through the filter screen cleaning mechanism automatically.
Preferably, the heat dissipation mechanism includes a heat dissipation fan, a heat dissipation block, and a heat dissipation plate:
the heat radiation fan is fixedly connected to the left end face of the inside of the shell;
the heat dissipation block is connected to the right end face of the heat dissipation fan;
the heating panel, the heating panel set up in the up end of circuit board, just the left end of heating panel with the radiating block is connected.
By adopting the technical scheme, the heat emitted by the circuit board can be conveniently conducted to the radiating block through the radiating plate, and the radiating block is radiated through the radiating fan, so that the radiating efficiency of the power amplifier is improved.
Preferably, filter screen clearance mechanism includes spout, sliding plate, brush hair, connecting rod, drive frame, driving motor, carousel, drive post and thermistor:
the sliding grooves are arranged at the front side and the rear side of the right end surface in the shell;
the sliding plate is connected in the sliding groove in a sliding mode;
the bristles are arranged on the right end face of the sliding plate;
the connecting rod is connected to the middle position of the lower end face of the sliding plate;
the driving frame is fixedly connected to the lower end of the connecting rod;
the driving motor is connected to the bottom surface of the shell;
the turntable is connected to the rotating shaft of the driving motor in a key manner;
the driving column is fixedly connected to the right end face of the turntable;
and the thermistor is connected to the upper end face of the heat dissipation plate.
By adopting the technical scheme, the filter screen cleaning mechanism can be conveniently started by sensing the temperature on the circuit board through the thermistor, so that the air inlet filter screen can be automatically cleaned.
Preferably, the radiating fins are arranged on the radiating block in a straight line and at equal intervals.
By adopting the technical scheme, the radiating area can be increased conveniently through the radiating fins arranged on the radiating block at equal intervals, so that the radiating effect is improved.
Preferably, the bristles are in contact connection with the surface of the air intake filter screen.
By adopting the technical scheme, the sliding plate can move up and down to drive the bristles to clean dust on the surface of the air inlet filter screen.
Preferably, the driving column is eccentrically arranged on the surface of the turntable, and the driving column is slidably connected with the driving frame.
By adopting the technical scheme, the driving frame 1005 can be driven to move up and down conveniently by the rotation of the turntable 1007 under the action of the driving column 1008.
Compared with the prior art, the utility model has the beneficial effects that: this power amplifier that can clear up vent by oneself can be convenient for through the radiating efficiency that radiating mechanism improved the circuit board to can effectual improvement this power amplifier's life, and the temperature control filter screen clearance mechanism that can be convenient for through the circuit board is to the automatic clearance of filter screen that admits air, thereby guarantees power amplifier's normal heat dissipation function:
1. by starting the power amplifier, the heat dissipation fan starts to rotate, the heat dissipation fan rotates to suck outside air into the shell through the air inlet filter screen, the air inlet filter screen filters dust in the outside air to prevent the dust from entering the shell to damage the circuit board, heat on the circuit board is conducted to the heat dissipation block through the heat dissipation plate, the heat dissipation area is increased through the heat dissipation fins arranged on the heat dissipation block, and the heat is dissipated to the outside of the shell through the air outlet through the heat dissipation fan, so that the heat dissipation efficiency of the circuit board can be improved through the heat dissipation mechanism conveniently, and the service life of the power amplifier is effectively prolonged;
2. the temperature through the circuit board rises, thermistor's resistance changes, thereby control starts driving motor, driving motor rotates and drives the carousel and rotate, make the carousel drive the drive post that its side is connected slide in the drive frame, make drive frame up-and-down motion, drive frame motion drives the sliding plate through the connecting rod and slides from top to bottom in the spout, make the sliding plate drive the brush hair and brush the clearance to the accumulational dust in air inlet filter screen surface, thereby the temperature control filter screen clearance mechanism that can be convenient for pass through the circuit board is to the automatic clearance of air inlet filter screen, guarantee power amplifier's normal heat dissipation function.
Drawings
FIG. 1 is a front perspective view of the present invention;
FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;
FIG. 3 is an enlarged view of point a of FIG. 2 according to the present invention;
FIG. 4 is a schematic perspective view of a heat dissipation mechanism according to the present invention;
fig. 5 is a schematic perspective view of the screen cleaning mechanism according to the present invention.
In the figure: 1. a housing; 2. an electric power meter; 3. an indicator light; 4. adjusting a knob; 5. a switch; 6. a circuit board; 7. an air outlet; 8. a heat dissipation mechanism; 801. a heat radiation fan; 802. a heat dissipating block; 803. a heat dissipation plate; 9. an air inlet filter screen; 10. a filter screen cleaning mechanism; 1001. a chute; 1002. a sliding plate; 1003. brushing; 1004. a connecting rod; 1005. a drive frame; 1006. a drive motor; 1007. a turntable; 1008. a drive column; 1009. a thermistor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides a can clear up power amplifier of vent by oneself, includes casing 1, still includes electric power meter 2, pilot lamp 3, adjust knob 4, switch 5, circuit board 6, air outlet 7, heat dissipation mechanism 8, air inlet filter screen 9 and filter screen clearance mechanism 10:
a wattmeter 2, wherein the wattmeter 2 is arranged at the left and right sides of the front end surface of the shell 1; the indicating lamp 3 is arranged at the upper side of the middle part of the front end surface of the shell 1; the adjusting knob 4 is connected to the lower side position of the indicator lamp 3; the switch 5 is arranged at the lower position of the right side of the front end surface of the shell 1; a circuit board 6, wherein the circuit board 6 is connected to the middle position in the shell 1; the basic functions of the power amplifier are realized through the arranged electric power meter 2, the indicator lamp 3, the adjusting knob 4, the switch 5 and the circuit board 6.
The air outlet 7 is arranged on the left end face of the shell 1; the heat dissipation mechanism 8 is arranged inside the shell 1, and the heat dissipation mechanism 8 is arranged at the right side position of the air outlet 7; the heat dissipation mechanism 8 includes a heat dissipation fan 801, a heat dissipation block 802, and a heat dissipation plate 803: the heat dissipation fan 801 is fixedly connected to the left end face of the interior of the shell 1; a heat dissipation block 802, wherein the heat dissipation block 802 is connected to the right end surface of the heat dissipation fan 801; a heat dissipation plate 803, the heat dissipation plate 803 being disposed on the upper end surface of the circuit board 6, and the left end of the heat dissipation plate 803 being connected to the heat dissipation block 802; the radiating fins are linearly arranged on the radiating block 802 at equal intervals; the air inlet filter screen 9 is embedded and connected into the right end face side wall of the shell 1; after this power amplifier starts, radiator fan 801 begins to rotate, inside radiator fan 801 rotated the air with the external world and inhaled casing 1 through air inlet filter screen 9, air inlet filter screen 9 filtered the dust in the air of external world, prevent that the dust from getting into damage circuit board 6 in the casing 1, heat conduction on the circuit board 6 to radiating block 802 through heating panel 803, through the fin increase heat radiating area that sets up on radiating block 802, and through radiator fan 801 with the heat through the outside of air outlet 7 effluvium casing 1, thereby this power amplifier's radiating efficiency has been improved.
The filter screen cleaning mechanism 10 is arranged in the shell 1, and the filter screen cleaning mechanism 10 is arranged at the left position of the air inlet filter screen 9; the filter screen cleaning mechanism 10 comprises a chute 1001, a sliding plate 1002, bristles 1003, a connecting rod 1004, a driving frame 1005, a driving motor 1006, a rotating disc 1007, a driving column 1008 and a thermistor 1009: the sliding grooves 1001 are formed in the front side and the rear side of the right end face of the interior of the housing 1; a sliding plate 1002, the sliding plate 1002 being slidably connected to the inside of the chute 1001; bristles 1003, wherein the bristles 1003 are arranged on the right end face of the sliding plate 1002; a connecting rod 1004, the connecting rod 1004 is connected to the middle position of the lower end surface of the sliding plate 1002; a driving frame 1005, wherein the driving frame 1005 is fixedly connected to the lower end of the connecting rod 1004; a driving motor 1006, wherein the driving motor 1006 is connected to the bottom surface of the housing 1; the turntable 1007 is connected to the rotating shaft of the driving motor 1006 in a key mode; the driving column 1008 is fixedly connected to the right end face of the turntable 1007; a thermistor 1009, the thermistor 1009 is connected to the upper end surface of the heat sink 803; the brush bristles 1003 are in contact connection with the surface of the air inlet filter screen 9; the driving column 1008 is eccentrically arranged on the surface of the turntable 1007, and the driving column 1008 is in sliding connection with the driving frame 1005; when the air inlet filter screen 9 is blocked, the temperature of the circuit board 6 rises, the resistance value of the thermistor 1009 changes, so that the driving motor 1006 is started, the driving motor 1006 rotates to drive the rotating disc 1007 to rotate, the rotating disc 1007 drives the driving post 1008 connected to the side face of the rotating disc 1007 to slide in the driving frame 1005, the driving frame 1005 moves up and down, the driving frame 1005 moves to drive the sliding plate 1002 to slide up and down in the sliding groove 1001 through the connecting rod 1004, the sliding plate 1002 drives the brush bristles 1003 to brush and clean dust accumulated on the surface of the air inlet filter screen 9, after the temperature on the circuit board 6 is recovered to a certain value, the resistance value of the thermistor 1009 recovers, the filter screen cleaning mechanism 10 stops operating, and therefore automatic cleaning of the air inlet filter screen 9 is achieved, and the content which is not described in detail in the description belongs to the prior art known by professionals in the field.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a can clear up power amplifier of vent by oneself, includes the casing, its characterized in that still includes electric power meter, pilot lamp, adjust knob, switch, circuit board, air outlet, heat dissipation mechanism, air inlet filter screen and filter screen clearance mechanism:
a power meter provided at each of left and right sides of a front end surface of the housing;
the indicating lamp is arranged at the upper side of the middle part of the front end surface of the shell;
the adjusting knob is connected to the lower side position of the indicator light;
the switch is arranged at the lower position of the right side of the front end surface of the shell;
a circuit board connected to an inner middle position of the housing;
the air outlet is arranged on the left side end face of the shell;
the heat dissipation mechanism is arranged inside the shell and is arranged at the right side position of the air outlet;
the air inlet filter screen is embedded and connected into the right end face side wall of the shell;
filter screen clearance mechanism, filter screen clearance mechanism set up in the inside of casing, just filter screen clearance mechanism set up in the left side position of air inlet filter screen.
2. The power amplifier of claim 1, wherein the heat dissipation mechanism comprises a heat dissipation fan, a heat dissipation block, and a heat dissipation plate:
the heat radiation fan is fixedly connected to the left end face of the inside of the shell;
the heat dissipation block is connected to the right end face of the heat dissipation fan;
the heating panel, the heating panel set up in the up end of circuit board, just the left end of heating panel with the radiating block is connected.
3. The power amplifier of claim 2, wherein the screen cleaning mechanism comprises a chute, a sliding plate, bristles, a connecting rod, a driving frame, a driving motor, a rotating disc, a driving column and a thermistor:
the sliding grooves are arranged at the front side and the rear side of the right end surface in the shell;
the sliding plate is connected in the sliding groove in a sliding mode;
the bristles are arranged on the right end face of the sliding plate;
the connecting rod is connected to the middle position of the lower end face of the sliding plate;
the driving frame is fixedly connected to the lower end of the connecting rod;
the driving motor is connected to the bottom surface of the shell;
the turntable is connected to the rotating shaft of the driving motor in a key manner;
the driving column is fixedly connected to the right end face of the turntable;
and the thermistor is connected to the upper end face of the heat dissipation plate.
4. A self-cleaning vent power amplifier as defined in claim 2, wherein: and radiating fins are arranged on the radiating block at equal intervals.
5. A self-cleaning vent power amplifier as defined in claim 3, wherein: the brush hair with the surface contact of air inlet filter screen is connected.
6. A self-cleaning vent power amplifier as defined in claim 3, wherein: the driving column is eccentrically arranged on the surface of the turntable and is in sliding connection with the driving frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122703647.9U CN216218487U (en) | 2021-11-07 | 2021-11-07 | Power amplifier capable of automatically cleaning ventilation opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122703647.9U CN216218487U (en) | 2021-11-07 | 2021-11-07 | Power amplifier capable of automatically cleaning ventilation opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216218487U true CN216218487U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122703647.9U Active CN216218487U (en) | 2021-11-07 | 2021-11-07 | Power amplifier capable of automatically cleaning ventilation opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216218487U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116928649A (en) * | 2023-08-22 | 2023-10-24 | 浙江天平光电科技有限公司 | High heat dissipation lamp stand |
-
2021
- 2021-11-07 CN CN202122703647.9U patent/CN216218487U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116928649A (en) * | 2023-08-22 | 2023-10-24 | 浙江天平光电科技有限公司 | High heat dissipation lamp stand |
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