CN219536246U

CN219536246U - Module structure of double-position power amplifier

Info

Publication number: CN219536246U
Application number: CN202320761084.5U
Authority: CN
Inventors: 江齐明; 李辉; 王小朋
Original assignee: Hangzhou Mingmei Audio Equipment Co ltd
Current assignee: Hangzhou Mingmei Audio Equipment Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-08-15
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a double-position power amplifier module structure, and relates to the technical field of power amplifier equipment. The novel waterproof module comprises a module body, wherein an outer protective cylinder is arranged outside the module body, a sound is arranged on the front surface of the module body, a sealing ring is arranged on the outer side of the sound, a display screen is arranged on the upper surface of the module body, control key groups are arranged on the left side and the right side of the display screen, through grooves are formed in the left side and the right side of the module body, a dustproof cover is inserted into the through grooves, and a transverse plate is arranged inside the dustproof cover; through the logical groove that has the dirt proof boot that sets up, play the heat dissipation effect to the module body, increase the air current passageway length for the heat dissipation, the dust that gets into in daily use stays in by diaphragm divided air current passageway, reduces the entering quantity of the internal dust of module, directly unpick and wash the dirt proof boot when wasing can to reach the purpose that reduces the dust influence and conveniently wash.

Description

Module structure of double-position power amplifier

Technical Field

The utility model relates to the technical field of power amplifier equipment, in particular to a double-position power amplifier module structure.

Background

The power amplifier is the largest family in various sound box devices, and has the effects that after the weaker signals input by the sound source devices are amplified, enough current is generated to drive the loudspeaker to replay sound, and the power, impedance, distortion, dynamics, different application ranges and control and regulation functions are considered, so that the different power amplifiers are different in internal signal processing, line design and production process.

In the prior art, the power amplifier module is in heat dissipation consideration, through holes are formed in the side surfaces of the power amplifier module directly, air circulation inside and outside the module is guaranteed, but dust is easy to enter in the heat dissipation mode, the dust is adhered to the surface of the circuit board to cause short circuit, and meanwhile, the power amplifier module is inconvenient to clean.

Disclosure of Invention

The utility model provides a double-bit power amplifier module structure, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a double-position power amplifier module structure comprises a module body, wherein an outer protective cylinder is arranged outside the module body;

the front of the module body is provided with a sound, the outer side of the sound is provided with a sealing ring, the upper surface of the module body is provided with a display screen, the left side and the right side of the display screen are provided with control key sets, the left side and the right side of the module body are provided with through grooves, the inside of each through groove is inserted with a dustproof sleeve, the inside of each dustproof sleeve is provided with a transverse plate, the rear end of the module body is provided with a slot, and the upper surface of the module body is provided with a clamping groove;

the front edge of the outer protective cylinder is provided with an inclined plane, the upper surface of the outer protective cylinder is provided with a clamping tenon, the rear end of the outer protective cylinder is inserted with a positioning pin, two sides of the positioning pin are in threaded connection with positioning bolts, and the left side and the right side of the outer protective cylinder are provided with protective nets.

Further, the outer protective cylinder is sleeved outside the module body, and the protective net is opposite to the through groove.

Furthermore, the depth of the dustproof sleeve is not less than three times of the thickness of the side wall of the outer protective cylinder, and the transverse plates are uniformly arranged at equal intervals inside the dustproof sleeve.

Further, the through groove is opposite to the circuit board assembly in the module body.

Further, the edge of the inclined plane is smooth and excessive, and the inclined plane is arranged on the side face of the display screen and the control key group.

Further, the clamping tenons correspond to the clamping grooves one by one, the positioning pins are inserted into the slots, and the positioning bolts penetrate through the outer protective cylinder and are in threaded connection with the module body shell.

Compared with the prior art, the utility model provides a double-position power amplifier module structure, which comprises the following components

The beneficial effects are that:

this dibit power amplifier module structure plays the radiating effect through the logical groove that sets up to the module body through having the dirt proof boot, increases the air current passageway length for the heat dissipation, and the dust that gets into in daily use is stopped in by diaphragm divided air current passageway, reduces the entering quantity of the internal dust of module, directly unpick and wash the dirt proof boot when wasing can to reach the purpose that reduces the dust influence and conveniently wash.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a card slot structure according to the present utility model;

FIG. 3 is a schematic view of a through slot structure according to the present utility model.

In the figure: 1. a module body; 11. a sound box; 12. a seal ring; 13. a display screen; 14. a control key group; 15. a through groove; 16. a dust cover; 17. a cross plate; 18. a slot; 19. a clamping groove; 2. an outer casing; 21. an inclined plane; 22. a clamping tenon; 23. a positioning pin; 24. positioning bolts; 25. and a protective net.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model discloses a dual-position power amplifier module structure, which comprises a module body 1, wherein an outer casing 2 is arranged outside the module body 1;

the front of the module body 1 is provided with a sound 11, the outer side of the sound 11 is provided with a sealing ring 12, the upper surface of the module body 1 is provided with a display screen 13, the left side and the right side of the display screen 13 are provided with a control key set 14, the left side and the right side of the module body 1 are provided with through grooves 15, the inside of the through grooves 15 is inserted with a dust cover 16, the inside of the dust cover 16 is provided with a transverse plate 17, the rear end of the module body 1 is provided with a slot 18, and the upper surface of the module body 1 is provided with a clamping groove 19;

the front edge of the outer protective cylinder 2 is provided with an inclined plane 21, the upper surface of the outer protective cylinder 2 is provided with a clamping tenon 22, the rear end of the outer protective cylinder 2 is inserted with a positioning pin 23, two sides of the positioning pin 23 are connected with positioning bolts 24 in a threaded manner, and the left side and the right side of the outer protective cylinder 2 are provided with protective nets 25.

Specifically, the outer protective sleeve 2 is sleeved outside the module body 1, and the protective net 25 is arranged opposite to the through groove 15.

In this embodiment, the outer protective casing 2 is sleeved outside the module body 1 to form a protective casing structure, so that most of the module body 1 is protected, and meanwhile, the protective screen 25 shields the through groove 15, so that the dust cover 16 is positioned while impurities are reduced.

Specifically, the depth of the dust cover 16 is not less than three times the thickness of the side wall of the outer casing 2, and the transverse plates 17 are uniformly arranged at equal intervals inside the dust cover 16.

In this embodiment, the cross plates 17 evenly arranged inside the dust cover 16 form a grid structure, and the grid structure is matched with the depth of the cross plates to form a layer of additional structure for accommodating dust, so that the dust flowing into the through groove 15 stays inside the dust cover 16, and is convenient to assemble, disassemble and clean.

Specifically, the through groove 15 is opposite to the circuit board assembly in the module body 1.

In this embodiment, the module during operation circuit board subassembly is as main position that generates heat, through leading to groove 15 and outside air environment contact, conveniently dispels the heat.

Specifically, the edge of the inclined plane 21 is smooth and excessive, and the inclined plane 21 is arranged on the side surface of the display 13 and the control key group 14.

In this embodiment, the inclined surface 21 reduces the protruding structure of the side surfaces of the display 13 and the control key set 14, so that the display 13 and the control key set 14 can be conveniently observed and operated.

Specifically, the clamping tenons 22 are in one-to-one correspondence with the clamping grooves 19, the positioning pins 23 are inserted into the slots 18, and the positioning bolts 24 penetrate through the outer casing 2 to be in threaded connection with the outer shell of the module body 1.

In this embodiment, when the outer casing 2 is sleeved outside the module body 1, the clamping tenons 22 are clamped with the clamping grooves 19, so as to play a role in auxiliary positioning, and the positioning pins 23 penetrate through the outer casing 2 and are inserted into the slots 18, so as to play a role in main fixing.

During the use, insert dirt proof boot 16 in logical inslot 15, cup joint outer protective tube 2 outside module body 1, make trip 22 joint inside draw-in groove 19, insert locating pin 23 at outer protective tube 2 tail end, make locating pin 23 insert inside slot 18, tie into locating bolt 24 and fix, accomplish the combination installation of module structure, the air current passageway of constituteing through logical groove 15 in the course of the work, dirt that protection network 25 got into is stayed in dirt proof boot 16 through protection network 25, split according to the reverse operation of above-mentioned step during the clearance, replace or wash dirt proof boot 16.

To sum up, according to the dual-position power amplifier module structure, through the through groove 15 with the dust cover 16, the module body 1 has a heat dissipation function, the length of the air flow channel for heat dissipation is increased, dust entering in daily use stays in the air flow channel separated by the transverse plate 17, the entering amount of the dust in the module body 1 is reduced, and the dust cover 16 is directly disassembled and washed during cleaning, so that the purposes of reducing the influence of the dust and facilitating cleaning are achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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

1. The utility model provides a dibit power amplifier module structure, includes module body (1), its characterized in that: an outer protective cylinder (2) is arranged outside the module body (1);

the novel portable electronic module is characterized in that a sound box (11) is arranged on the front face of the module body (1), a sealing ring (12) is arranged on the outer side of the sound box (11), a display screen (13) is arranged on the upper surface of the module body (1), control key groups (14) are arranged on the left side and the right side of the display screen (13), through grooves (15) are formed in the left side and the right side of the module body (1), dust covers (16) are inserted into the through grooves (15), transverse plates (17) are arranged in the dust covers (16), slots (18) are formed in the rear end of the module body (1), and clamping grooves (19) are formed in the upper surface of the module body (1);

the front edge of an outer protective cylinder (2) is provided with an inclined plane (21), the upper surface of the outer protective cylinder (2) is provided with a clamping tenon (22), the rear end of the outer protective cylinder (2) is inserted with a positioning pin (23), two sides of the positioning pin (23) are in threaded connection with positioning bolts (24), and the left side and the right side of the outer protective cylinder (2) are provided with protective nets (25).

2. The dual-bit power amplifier module structure of claim 1, wherein: the outer protective cylinder (2) is sleeved outside the module body (1), and the protective net (25) is opposite to the through groove (15).

3. The dual-bit power amplifier module structure of claim 1, wherein: the depth of the dustproof sleeve (16) is not less than three times of the thickness of the side wall of the outer protective cylinder (2), and the transverse plates (17) are uniformly arranged at equal intervals inside the dustproof sleeve (16).

4. The dual-bit power amplifier module structure of claim 1, wherein: the through groove (15) is opposite to the circuit board assembly in the module body (1).

5. The dual-bit power amplifier module structure of claim 1, wherein: the edges of the inclined planes (21) are smooth and excessive, and the inclined planes (21) are arranged on the sides of the display screen (13) and the control key group (14).

6. The dual-bit power amplifier module structure of claim 1, wherein: the clamping tenons (22) are in one-to-one correspondence with the clamping grooves (19), the positioning pins (23) are inserted into the slots (18), and the positioning bolts (24) penetrate through the outer protective cylinder (2) to be in threaded connection with the outer shell of the module body (1).