CN217824899U - Embedded power amplifier - Google Patents

Abstract

The utility model provides an embedded power amplifier. The built-in power amplifier includes: a power amplifier body; the connecting plate is fixedly arranged on the power amplifier body; the first guide shell is fixedly arranged on one side of the power amplifier body, and one end of the first guide shell is fixedly connected with the connecting plate; the rectangular shell is slidably mounted in the first diversion shell, and one side of the rectangular shell penetrates through the connecting plate; the trapezoidal shell is fixedly installed at the bottom of the rectangular shell, and one side of the trapezoidal shell penetrates through the connecting plate; the fixing plate is fixedly arranged on the connecting plate, and one sides of the rectangular shell and the trapezoidal shell are fixedly connected with the fixing plate; and the motor is fixedly arranged at the bottom of the rectangular shell. The utility model provides an embedded power amplifier has convenient to use, can carry out ventilation cooling's advantage alone.

Description

A built-in power amplifier

technical field

The utility model relates to the technical field of power amplifiers, in particular to an embedded power amplifier.

Background technique

Power amplifiers are generally referred to as power amplifiers. They refer to amplifiers that can generate maximum power output to drive a certain load under a given distortion rate. They are mainly used in the audio field. Power amplifiers are generally divided into two types: independent and built-in. Embedded is generally installed inside other large audio equipment as an accessory device, which is inserted into the audio equipment through the reserved socket.

However, when this type of embedded audio device is dissipating heat, it also needs to circulate air through the vents of the embedded audio device. This cooling effect is poor, and it will also increase the temperature inside the embedded device. The temperature is too high, therefore, it is necessary to provide a new built-in power amplifier to solve the above technical problems.

Utility model content

The technical problem solved by the utility model is to provide a built-in power amplifier which is easy to use and can be independently ventilated and radiated.

In order to solve the above-mentioned technical problems, the built-in power amplifier provided by the utility model includes: a power amplifier body; a connection plate, the connection plate is fixedly installed on the power amplifier body; a first diversion shell, the first diversion shell Fixedly installed on one side of the power amplifier body, one end of the first diversion shell is fixedly connected to the connecting plate; a rectangular shell, the rectangular shell is slidably installed in the first diversion shell, and one side of the rectangular shell penetrates a connecting plate; a trapezoidal shell, the trapezoidal shell is fixedly mounted on the bottom of the rectangular shell, one side of the trapezoidal shell runs through the connecting plate; a fixed plate, the fixed plate is fixedly mounted on the connecting plate, the rectangular shell and the trapezoidal shell Both sides are fixedly connected with the fixed plate; the motor, the motor is fixedly installed at the bottom of the rectangular shell; the rotating rod, the rotating rod is installed in the rectangular shell, the bottom end of the rotating rod runs through the rectangular shell and is connected with the motor The output shaft is fixedly connected; the first bevel gear, the first bevel gear is fixedly installed on the top of the rotating rod; the driving rod, the driving rod is rotatably installed in the rectangular shell; the second bevel gear, the first bevel gear Two bevel gears are fixedly mounted on one end of the driving rod, and the first bevel gear meshes with the second bevel gear; a cleaning brush, the cleaning brush is fixedly mounted on one end of the driving rod; a filter cover, the filter cover is fixed Installed on the rectangular shell, one side of the cleaning brush is in contact with the filter cover; the air inlet is set on the fixed plate; the second diversion shell is fixedly installed on the power amplifier On one side of the body, one side of the second diversion shell is fixedly connected to the connection plate; the air exhaust port is opened on the connection plate, and the air exhaust port corresponds to the second diversion shell.

Preferably, a screen is fixedly installed on the fixed plate, and the screen corresponds to the air inlet.

Preferably, an ash discharge port is opened on the fixed plate, and a baffle plate is rotatably installed on the fixed plate, and the baffle plate corresponds to the ash discharge port.

Preferably, a leak is opened on the bottom inner wall of the rectangular shell.

Preferably, a protective shell is fixedly sleeved on the motor, and the top of the protective shell is fixedly connected to the bottom of the rectangular shell.

Preferably, a support tube is fixedly installed in the rectangular shell, the top end of the rotating rod extends into the support tube and is rotatably connected with the support tube, and one end of the drive rod extends into the support tube and is rotatably connected with the support tube.

Preferably, a support bar is fixedly installed in the rectangular shell, and the driving rod passes through the support bar and is rotatably connected with the support bar.

Compared with related technologies, the built-in power amplifier provided by the utility model has the following beneficial effects:

The utility model provides an embedded power amplifier, through the cooperation of the first diversion shell, the rectangular shell, the fixed plate, the filter cover, the air inlet, the second diversion shell and the air exhaust port, the power amplifier body can have a The independent ventilation and heat dissipation channels make it complementary and interfere with large audio equipment in heat dissipation, and filter the dust outside during the ventilation and heat dissipation process to prevent dust from entering the equipment and affecting the heat dissipation of circuit components. Through the motor, the rotating rod, the first The bevel gear, the driving rod, the second bevel gear and the cleaning brush cooperate to automatically clean the filter cover to avoid too much dust accumulated in the filter cover from affecting the ventilation and heat dissipation of the equipment.

Description of drawings

Fig. 1 is the front view sectional structure schematic diagram of the built-in power amplifier provided by the utility model;

Figure 2 is an enlarged schematic view of part A shown in Figure 1;

Fig. 3 is a side view structural schematic diagram of the built-in power amplifier provided by the utility model;

Fig. 4 is a top view sectional structural schematic diagram of the built-in power amplifier provided by the utility model;

FIG. 5 is an enlarged schematic view of part B shown in FIG. 4 .

Symbols in the figure: 1. Power amplifier body; 2. Connecting plate; 3. First diversion shell; 4. Rectangular shell; 5. Trapezoidal shell; 6. Fixed plate; 7. Motor; 8. Rotating rod; 9. Second 1. bevel gear; 10. driving rod; 11. second bevel gear; 12. cleaning brush; 13. filter cover; 14. air inlet; 15. second diversion shell; 16. air outlet.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Please refer to Fig. 1-Fig. 5 in conjunction, wherein, Fig. 1 is the front view sectional structure diagram of the built-in power amplifier provided by the utility model; Fig. 2 is the enlarged schematic diagram of part A shown in Fig. 1; Fig. 3 is the utility model A schematic side view of the built-in power amplifier is provided; FIG. 4 is a schematic cross-sectional top view of the built-in power amplifier provided by the present invention; FIG. 5 is an enlarged schematic diagram of part B shown in FIG. 4 . The built-in power amplifier includes: a power amplifier body 1; a connection plate 2, the connection plate 2 is fixedly installed on the power amplifier body 1, a panel display opening is opened on the connection plate 2, the panel of the power amplifier body 1 is embedded in the display opening and It is displayed through the display port, and four screw holes distributed in a rectangular shape are opened on the connecting plate 2, which allows the power amplifier body 1 to be fixed with the large audio equipment by screws when it is inserted into the large audio equipment; the first guide Flow shell 3, the first flow guide shell 3 is fixedly installed on one side of the power amplifier body 1, one end of the first flow guide shell 3 is fixedly connected with the connecting plate 2, the first flow guide shell 3 and the second flow guide shell 15 are exactly The cover is set on the heat dissipation hole of the power amplifier body 1 to form a new heat dissipation and ventilation path, thereby separating it from the large audio equipment; the rectangular shell 4 is slidably installed in the first diversion shell 3, and the rectangular shell 4 One side of the shell 4 runs through the connecting plate 2, and the connecting plate 2 is provided with an opening, the rectangular shell 4 and the trapezoidal shell 5 both pass through the opening and are slidably connected with the opening; the trapezoidal shell 5, the trapezoidal shell 5 is fixedly installed on the rectangular shell 4 The bottom of the bottom of the trapezoidal shell 5 runs through the connecting plate 2, and the trapezoidal shell 5 can be used as a storage bin for dust; the fixed plate 6 is fixedly installed on the connecting plate 2, and one side of the rectangular shell 4 and the trapezoidal shell 5 Both are fixedly connected with the fixed plate 6, the fixed plate 6 can be used as a connecting piece connecting the rectangular shell 4 and the trapezoidal shell 5 with the connecting plate 2, the fixed plate 6 is fixed with the connecting plate 2 by screws, when the fixed plate 6 and the connecting plate 2 After unfixing, filter mechanisms such as rectangular shell 4 and trapezoidal shell 5 can be removed; Motor 7, motor 7 is fixedly installed on the bottom of rectangular shell 4; The bottom end of 8 runs through the rectangular shell 4 and is fixedly connected with the output shaft of the motor 7. The inner wall of the bottom of the rectangular shell 4 is provided with a rotating hole, and the rotating rod 8 passes through the rotating hole and is connected with the rotating hole in rotation; the first bevel gear 9, the second A bevel gear 9 is fixedly mounted on the top of the rotating rod 8; the driving rod 10 is installed in the rectangular housing 4 for rotation; the second bevel gear 11 is fixedly mounted on one end of the driving rod 10 , the first bevel gear 9 meshes with the second bevel gear 11; cleaning brush 12, the cleaning brush 12 is fixedly installed on one end of the driving rod 10, and the bristles on the cleaning brush 12 are made of nylon material, which makes its toughness relatively Good and long service life; filter cover 13, filter cover 13 is fixedly installed on the rectangular shell 4, one side of the cleaning brush 12 is in contact with the filter cover 13, one side of the rectangular shell 4 is provided with an installation port, and the filter cover 13 is embedded In the installation port; the air inlet 14, the air inlet 14 is opened on the fixed plate 6; the second guide shell 15, the second guide shell 15 is fixedly installed on one side of the power amplifier body 1, and one part of the second guide shell 15 The side is fixedly connected with the connecting plate 2; the air exhaust port 16 is opened on the connecting plate 2, and the air exhaust port 16 corresponds to the second guide shell 15.

The fixed plate 6 is fixedly installed with a screen, the screen is corresponding to the air inlet 14, and the screen is made of plastic grids, which can block the air inlet 14 without affecting the ventilation, which can play an aesthetic role. Internal mechanisms can also be protected.

There is an ash discharge opening on the fixed plate 6, and a baffle plate is installed on the fixed plate 6, which corresponds to the ash discharge port. connect.

The bottom inner wall of the rectangular shell 4 is provided with a leak, and dust can be discharged into the trapezoidal shell 5 through the leak after being swept off the filter cover 13 .

The motor 7 is fixedly covered with a protective shell, and the top of the protective shell is fixedly connected with the bottom of the rectangular shell 4. The protective shell can cover the motor 7 to prevent dust from entering the motor 7.

A support tube is fixedly installed in the rectangular shell 4, the top end of the rotating rod 8 extends into the support tube and is rotatably connected with the support tube, and one end of the driving rod 10 extends into the support tube and is rotatably connected with the support tube, and the support tube is composed of two half tubes , it can not only support the rotating rod 8 and the driving rod 10, but also protect the first bevel gear 9 and the second bevel gear 11 to prevent dust from adhering to the two gears.

A support bar is fixedly installed in the rectangular shell 4, and the drive bar 10 runs through the support bar and is rotatably connected with the support bar. The support bar can cooperate with the support tube to support the drive bar 10, thereby improving the stability of the drive bar 10.

The operating principle of the built-in power amplifier provided by the utility model is as follows:

Both sides of the power amplifier body 1 are provided with heat dissipation holes, and two heat dissipation fans are installed inside, which can mainly suck the external airflow into the interior through one fan, and then discharge the internal heat flow through the other fan. When the power amplifier When the main body 1 is embedded in the large audio equipment, the airflow is conveyed inside the large audio equipment, and then the airflow is converted through the heat dissipation mechanism of the large audio equipment, and the power amplifier main body 1 is installed in the large audio equipment. At this time, the connection plate 2 of the power amplifier body 1 will stay outside the large audio equipment. At this time, when the power amplifier body 1 performs internal airflow conversion and heat dissipation, the outside airflow can enter the rectangular shell 4 through the air inlet 14, and then Pass through the filter cover 13 into the first guide case 3, and finally enter the interior of the device through the heat dissipation holes on both sides, and then discharge into the second guide case 15 through the heat dissipation holes on the other side, and then pass through the air outlet 16 Discharge, thereby realizing the conversion of the airflow inside the equipment, thereby realizing independent ventilation and heat dissipation, and with long-term use, dust will adhere to the filter cover 13, and when the dust accumulates too much, it will affect the filter cover 13 At this time, start the motor 7, the motor 7 drives the rotating rod 8 to rotate through the output shaft, the rotating rod 8 drives the second bevel gear 11 to rotate through the first bevel gear 9, and the second bevel gear 11 drives the rod to rotate 10 drives the cleaning brush 12 to rotate, and the cleaning brush 12 can sweep down the dust adhering to the filter cover 13 by rotating, and then, the dust that is swept down falls in the trapezoidal shell 5 through the leak, and when the accumulated dust in the trapezoidal shell 5 When the dust is too much, the dust in the trapezoidal shell 5 can be opened to clean up the baffle plate.

Compared with related technologies, the built-in power amplifier provided by the utility model has the following beneficial effects:

The utility model provides a built-in power amplifier, through the cooperation of the first diversion shell 3, the rectangular shell 4, the fixed plate 6, the filter cover 13, the air inlet 14, the second diversion shell 15 and the air exhaust port 16, The power amplifier body 1 can have an independent ventilation and heat dissipation channel, so that it can complement and interfere with large audio equipment in heat dissipation, and filter the dust outside during the ventilation and heat dissipation process to prevent dust from entering the device and affecting the heat dissipation of circuit components. Through the cooperation of the motor 7, the rotating rod 8, the first bevel gear 9, the drive rod 10, the second bevel gear 11 and the cleaning brush 12, the filter cover 13 can be automatically cleaned to avoid too much dust accumulated in the filter cover 13 Affects the ventilation and heat dissipation of the equipment.

It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described clearly. On the premise that those skilled in the art understand the principles of the above-mentioned utility model, they can clearly know the details of its power mechanism, power supply system and control system.

The above descriptions are only examples of the utility model, and are not intended to limit the patent scope of the utility model. Any equivalent structure or equivalent process transformation made by using the utility model specification and accompanying drawings may be directly or indirectly used in other applications. Related technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (7)

1. A built-in power amplifier, characterized in that, comprising: power amplifier body; A connection plate, the connection plate is fixedly installed on the power amplifier body; A first diversion case, the first diversion case is fixedly installed on one side of the power amplifier body, and one end of the first diversion case is fixedly connected to the connecting plate; a rectangular shell, the rectangular shell is slidably installed in the first diversion shell, and one side of the rectangular shell passes through the connecting plate; a trapezoidal shell, the trapezoidal shell is fixedly installed on the bottom of the rectangular shell, and one side of the trapezoidal shell passes through the connecting plate; A fixed plate, the fixed plate is fixedly installed on the connecting plate, and one side of the rectangular shell and the trapezoidal shell are both fixedly connected with the fixed plate; a motor, the motor is fixedly mounted on the bottom of the rectangular shell; A rotating rod, the rotating rod is installed in the rectangular shell, the bottom end of the rotating rod penetrates the rectangular shell and is fixedly connected with the output shaft of the motor; The first bevel gear, the first bevel gear is fixedly installed on the top of the rotating rod; a driving rod, the driving rod is rotatably installed in the rectangular shell; a second bevel gear, the second bevel gear is fixedly mounted on one end of the driving rod, and the first bevel gear meshes with the second bevel gear; A cleaning brush, the cleaning brush is fixedly mounted on one end of the driving rod; A filter cover, the filter cover is fixedly installed on the rectangular shell, and one side of the cleaning brush is in contact with the filter cover; an air inlet, the air inlet is opened on the fixed plate; A second flow guide case, the second flow guide case is fixedly installed on one side of the power amplifier body, and one side of the second flow guide case is fixedly connected to the connecting plate; The air exhaust port is opened on the connecting plate, and the air exhaust port corresponds to the second diversion shell. 2 . The built-in power amplifier according to claim 1 , wherein a screen is fixedly installed on the fixing plate, and the screen is corresponding to the air inlet. 3 . 3. The built-in power amplifier according to claim 1, wherein an ash discharge port is opened on the fixed plate, and a baffle plate is rotatably installed on the fixed plate, and the baffle plate is connected to the ash discharge port. correspond. 4. The built-in power amplifier according to claim 1, wherein a leak is opened on the bottom inner wall of the rectangular shell. 5. The built-in power amplifier according to claim 1, wherein a protective shell is fixedly sleeved on the motor, and the top of the protective shell is fixedly connected to the bottom of the rectangular shell. 6. The built-in power amplifier according to claim 1, characterized in that, a support tube is fixedly installed in the rectangular shell, the top end of the rotating rod extends into the support tube and is rotatably connected with the support tube, and the driving One end of the rod extends into the support tube and is rotatably connected with the support tube. 7 . The built-in power amplifier according to claim 1 , wherein a support bar is fixedly installed in the rectangular housing, and the driving rod passes through the support bar and is rotatably connected with the support bar. 8 .

Images