CN216357586U

CN216357586U - Power amplification equipment based on COFDM

Info

Publication number: CN216357586U
Application number: CN202122949147.3U
Authority: CN
Inventors: 王玉杰; 韦亮; 张凯; 张凡
Original assignee: Keheng Information Industry Co ltd
Current assignee: Keheng Information Industry Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-19
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses power amplification equipment based on COFDM (coded orthogonal frequency division multiplexing), which comprises an amplification equipment body and a display screen, wherein the display screen is nested and installed on the outer surface of the amplification equipment body, an adjusting button is installed on the side of the display screen, and a handle is fixedly installed on the right side of the adjusting button; further comprising: the connecting groove is arranged at the bottom of the display screen, a first magnet is arranged on the inner side of the connecting groove, a circuit interface is arranged on the side of the first magnet, the inner wall of the bottom of the connecting groove is fixedly connected with a connecting seat, a dustproof cover plate is movably connected to the outer side of the connecting seat, and a second magnet is fixedly connected to the outer wall of the dustproof cover plate; and the fixed seat is fixed at the bottom of the amplification equipment body through a bolt. This power amplification equipment based on COFDM utilizes damping spring's elastic deformation, comes to bump the vibrations and cushions to utilize the inside spliced pole that sets up of damping spring, come to carry on spacingly to the elevating movement of fixing base, come to realize carrying out shock attenuation protection to power amplification equipment.

Description

Power amplification equipment based on COFDM

Technical Field

The utility model relates to the technical field of power amplification equipment, in particular to power amplification equipment based on COFDM.

Background

The power amplifier plays the role of organization, coordination and pivot in the whole sound system, can provide good tone output to a certain extent, mainly comprises a preamplifier, a drive amplifier and a final power amplifier, and is an essential device of a large-scale video and audio playing system.

At present, the traditional power amplification equipment still has certain not enough in the shock absorption protection, and carrying the removal in-process to power amplification equipment, power amplification equipment receives external jolt impact influence easily, causes the condition that inside device damaged, can not protect crashproof impact simultaneously, has reduced power amplifier's the convenience of carrying.

Aiming at the existing problems, innovation is urgently needed on the basis of the original power amplification equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide power amplification equipment based on COFDM (coded orthogonal frequency division multiplexing), which aims to solve the problem that certain defects exist in the shock absorption protection in the background technology, the power amplification equipment is easily affected by external bumping impact in the process of carrying and moving the power amplification equipment, so that the internal devices are damaged, meanwhile, the power amplification equipment cannot be protected against bumping impact, and the carrying convenience of the power amplifier is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: the power amplification equipment based on the COFDM comprises an amplification equipment body and a display screen, wherein the display screen is arranged on the outer surface of the amplification equipment body in a nested mode, an adjusting button is arranged on the side of the display screen, and a lifting handle is fixedly arranged on the right side of the adjusting button;

further comprising:

the connecting groove is arranged at the bottom of the display screen, a first magnet is arranged on the inner side of the connecting groove, a circuit interface is arranged on the side of the first magnet, the inner wall of the bottom of the connecting groove is fixedly connected with a connecting seat, a dustproof cover plate is movably connected to the outer side of the connecting seat, and a second magnet is fixedly connected to the outer wall of the dustproof cover plate;

the bolt is fixed to the bottom of the amplification equipment body, the bottom of the fixing seat is connected with the damping spring, the inner portion of the damping spring is connected with the connecting column, the bottom of the connecting column is fixedly connected with the connecting bottom plate, and the outer side of the connecting bottom plate is connected with the anti-skidding piece in an adhering mode.

Preferably, the outer wall of the amplification equipment body is fixed with a metal sheet through bolts, the outer side of the metal sheet is fixedly connected with a protective shell, and the metal sheet is provided with a plurality of metal sheets.

Preferably, mutual adsorption between first magnetite and the second magnetite, and the second magnetite is provided with two about the axis symmetry of dustproof apron, and the appearance of second magnetite is the setting of ring annular structure, dustproof apron and connecting seat are swing joint, let dustproof apron can rotate, and be fixed with the second magnetite on the dustproof apron, when the second magnetite contacts with first magnetite, second magnetite and first magnetite can mutual adsorption, come to fix a position dustproof apron, come to shelter from the circuit interface in the spread groove, play dustproof and waterproof splatter.

Preferably, be welded connection between sheetmetal and the protective housing, and protective housing's longitudinal section appearance is "n" word column structure setting, utilizes a plurality of sheetmetals that set up in the amplification equipment body outside, and the sheetmetal is the wavy structure setting, and when protective housing received the striking impact, can extrude wavy sheetmetal, lets the sheetmetal produce deformation, comes to cushion impact force and energy-absorbing, realizes the anticollision protection to power amplification equipment.

Preferably, the fixing base passes through damping spring and spliced pole and is connected the bottom plate and constitute elastic telescopic structure, and the damping spring nestification sets up in the outside of spliced pole, and damping spring's top and the bottom of fixing base laminate each other, utilize damping spring and spliced pole that the fixing base bottom set up, the damping spring equidistance is provided with a plurality ofly, when power amplifier received the vibrations and assaults, the fixing base extrudees damping spring, utilize damping spring's elastic deformation, come to strike and cushion vibrations, and utilize the spliced pole of the inside setting of damping spring, come to carry on spacingly to the elevating movement of fixing base, it carries out shock attenuation protection to power amplification equipment to realize.

Preferably, damping spring and spliced pole all are the equidistance setting about the outer wall of connecting the bottom plate, and damping spring and be welded connection between the connecting the bottom plate, and damping spring sets up in the outside of spliced pole, and damping spring's the biggest compressive capacity is less than the spliced pole and enlargies the distance between the equipment body, avoids the condition of spliced pole and power amplification equipment collision.

Compared with the prior art, the utility model has the beneficial effects that:

1. the power amplification equipment based on the COFDM is provided with the metal sheets, the metal sheets are arranged on the outer side of the amplification equipment body and are arranged in a wavy structure, and when the protection shell is impacted by impact, the wavy metal sheets are extruded to deform so as to buffer and absorb impact force, so that the anti-collision protection of the power amplification equipment is realized;

2. the power amplification equipment based on the COFDM is provided with a dustproof cover plate, the dustproof cover plate is movably connected with the connecting seat, the dustproof cover plate can rotate, a second magnet is fixed on the dustproof cover plate, and when the second magnet is in contact with the first magnet, the second magnet and the first magnet can be mutually adsorbed to position the dustproof cover plate, so that a circuit interface in a connecting groove is shielded, and the dustproof and waterproof splashing effects of the circuit interface are achieved;

3. this power amplification equipment based on COFDM is provided with damping spring, utilize damping spring and the spliced pole that the fixing base bottom set up, the damping spring equidistance is provided with a plurality ofly, when power amplification equipment received vibrations and assaults, the fixing base extrudees damping spring, utilize damping spring's elastic deformation, come to assault the vibrations and cushion, and utilize the spliced pole of the inside setting of damping spring, it is spacing to come to carry out the elevating movement of fixing base, realize carrying out the shock attenuation protection to power amplification equipment.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the enlarged apparatus body according to the present invention;

FIG. 3 is a schematic view of a connection structure of a connection groove and a dust-proof cover plate according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is a schematic view of a top-down connection structure of the damping spring and the connecting base plate according to the present invention;

fig. 6 is a schematic perspective view of the protective housing of the present invention.

In the figure: 1. amplifying the device body; 2. a display screen; 3. an adjusting knob; 4. a handle; 5. connecting grooves; 6. A first magnet; 7. a line interface; 8. a connecting seat; 9. a dust-proof cover plate; 10. a second magnet; 11. a metal sheet; 12. a protective housing; 13. a fixed seat; 14. a damping spring; 15. connecting columns; 16. connecting the bottom plate; 17. and (4) anti-slip sheets.

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. 1-6, the present invention provides a technical solution: a power amplification device based on COFDM comprises an amplification device body 1 and a display screen 2, wherein the display screen 2 is nested and mounted on the outer surface of the amplification device body 1, an adjusting button 3 is mounted on the side of the display screen 2, and a handle 4 is fixedly mounted on the right side of the adjusting button 3; a plurality of metal sheets 11 are fixed on the outer wall of the amplification equipment body 1 through bolts, a protection shell 12 is fixedly connected to the outer side of each metal sheet 11, the metal sheets 11 are welded to the protection shell 12, and the longitudinal section of the protection shell 12 is in an n-shaped structure; the metal sheets 11 are arranged in a wavy structure by utilizing the metal sheets 11 arranged on the outer side of the amplifying equipment body 1, and when the protective shell 12 is impacted, the wavy metal sheets 11 are extruded to deform the metal sheets 11 so as to buffer and absorb impact force, so that the anti-collision protection of the power amplifying equipment is realized;

the connecting groove 5 is arranged at the bottom of the display screen 2, a first magnet 6 is arranged on the inner side of the connecting groove 5, a circuit interface 7 is arranged on the side of the first magnet 6, a connecting seat 8 is fixedly connected to the inner wall of the bottom of the connecting groove 5, a dustproof cover plate 9 is movably connected to the outer side of the connecting seat 8, and a second magnet 10 is fixedly connected to the outer wall of the dustproof cover plate 9; the first magnet 6 and the second magnet 10 are mutually adsorbed, two second magnets 10 are symmetrically arranged about the central axis of the dustproof cover plate 9, the second magnets 10 are arranged in a circular ring-shaped structure, the dustproof cover plate 9 and the connecting seat 8 are movably connected, the dustproof cover plate 9 can rotate, the second magnets 10 are fixed on the dustproof cover plate 9, when the second magnets 10 are in contact with the first magnets 6, the second magnets 10 and the first magnets 6 can be mutually adsorbed to position the dustproof cover plate 9, and further, the circuit interfaces 7 in the connecting grooves 5 are shielded, so that the dustproof and waterproof splashing effects of the circuit interfaces 7 are achieved;

the fixing seat 13 is fixed at the bottom of the amplification equipment body 1 through bolts, the bottom of the fixing seat 13 is connected with a damping spring 14, the inside of the damping spring 14 is connected with a connecting column 15, the bottom of the connecting column 15 is fixedly connected with a connecting bottom plate 16, and the outer side of the connecting bottom plate 16 is connected with an anti-slip sheet 17 in an adhering mode; the fixed seat 13 and the connecting bottom plate 16 form an elastic telescopic structure through the damping spring 14 and the connecting column 15, the damping spring 14 is nested outside the connecting column 15, and the top of the damping spring 14 is attached to the bottom of the fixed seat 13; damping spring 14 and spliced pole 15 all are the equidistance setting about the outer wall of connecting bottom plate 16, and be welded connection between damping spring 14 and the connecting bottom plate 16, damping spring 14 and spliced pole 15 that utilize fixing base 13 bottom to set up, damping spring 14 equidistance is provided with a plurality ofly, when power amplification equipment receives vibrations and assaults, fixing base 13 extrudees damping spring 14, utilize damping spring 14's elastic deformation, come to strike and cushion vibrations, and utilize the spliced pole 15 of 14 inside settings of damping spring, come to carry out spacingly to fixing base 13's elevating movement, realize carrying out shock attenuation protection to power amplification equipment, and damping spring 14's the biggest compressive strain is less than spliced pole 15 to the distance between the amplification equipment body 1, avoid the condition of spliced pole 15 and the 1 collision of amplification equipment body.

The working principle is as follows: when the power amplification device based on the COFDM is used, according to the figures 1-6, firstly, a display screen 2 is arranged on an amplification device body 1 to display information, the device is adjusted by using an adjusting button 3, simultaneously, handles 4 are arranged on two sides of the amplification device body 1 to facilitate the extraction and carrying of the power amplification device, when the placed power amplification device is impacted by vibration, a plurality of damping springs 14 and connecting columns 15 are arranged at the bottom of a fixed seat 13, when the power amplification device is impacted by vibration, the fixed seat 13 extrudes the damping springs 14, the vibration impact is buffered by using the elastic deformation of the damping springs 14, the connecting columns 15 arranged in the damping springs 14 are used for limiting the lifting motion of the fixed seat 13 to realize the vibration absorption protection of the power amplification device, the maximum compression amount of the damping spring 14 is smaller than the distance between the connecting column 15 and the amplification equipment body 1, so that the situation that the connecting column 15 collides with the amplification equipment body 1 is avoided, meanwhile, the plurality of metal sheets 11 arranged on the outer side of the amplification equipment body 1 are utilized, the metal sheets 11 are arranged in a wavy structure, when the protective shell 12 is impacted by impact, the wavy metal sheets 11 are extruded, so that the metal sheets 11 are deformed, impact force is buffered and absorbed, so that the anti-collision protection of the power amplification equipment is realized, the bottom of the connecting bottom plate 16 is connected with the anti-slip sheet 17, so that the friction with a contact surface is increased, and the anti-slip effect is realized;

when the circuit interface 7 of power amplification equipment does not use for the short time, through promoting dustproof cover plate 9, dustproof cover plate 9 and connecting seat 8 are swing joint, let dustproof cover plate 9 can rotate, and be fixed with second magnetite 10 on the dustproof cover plate 9, when second magnetite 10 contacts with first magnetite 6, second magnetite 10 and first magnetite 6 can adsorb each other, come to fix a position dustproof cover plate 9, and then shelter from to circuit interface 7 in the spread groove 5, play the dustproof and waterproof effect of splashing of circuit interface 7.

Those not described in detail in this specification are within the skill of the art.

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

1. The power amplification equipment based on the COFDM comprises an amplification equipment body (1) and a display screen (2), wherein the display screen (2) is arranged on the outer surface of the amplification equipment body (1) in a nested mode, a regulating button (3) is arranged on the side of the display screen (2), and a lifting handle (4) is fixedly arranged on the right side of the regulating button (3);

it is characterized by also comprising:

the display screen comprises a display screen (2), a connecting groove (5) and a circuit interface (7), wherein the connecting groove (5) is arranged at the bottom of the display screen (2), a first magnet (6) is arranged on the inner side of the connecting groove (5), the side of the first magnet (6) is provided with the circuit interface (7), the inner wall of the bottom of the connecting groove (5) is fixedly connected with a connecting seat (8), the outer side of the connecting seat (8) is movably connected with a dustproof cover plate (9), and the outer wall of the dustproof cover plate (9) is fixedly connected with a second magnet (10);

the bolt is fixed at the bottom of the amplification equipment body (1), the bottom of the fixing seat (13) is connected with a damping spring (14), the inside of the damping spring (14) is connected with a connecting column (15), the bottom of the connecting column (15) is fixedly connected with a connecting bottom plate (16), and the outer side of the connecting bottom plate (16) is connected with an anti-slip sheet (17) in an adhering mode.

2. The COFDM-based power amplification apparatus according to claim 1, wherein: the outer wall bolt of amplification equipment body (1) is fixed with sheetmetal (11), and the outside fixedly connected with protective housing (12) of sheetmetal (11) to sheetmetal (11) are provided with a plurality ofly.

3. The COFDM-based power amplification apparatus according to claim 1, wherein: the first magnet (6) and the second magnet (10) are mutually adsorbed, two second magnets (10) are symmetrically arranged about the central axis of the dustproof cover plate (9), and the second magnet (10) is arranged in an annular structure.

4. The COFDM-based power amplification apparatus according to claim 2, wherein: the metal sheet (11) and the protective shell (12) are connected in a welding mode, and the longitudinal section of the protective shell (12) is arranged in an n-shaped structure.

5. The COFDM-based power amplification apparatus according to claim 1, wherein: the fixing seat (13) forms an elastic telescopic structure with the connecting bottom plate (16) through the damping spring (14) and the connecting column (15), the damping spring (14) is nested and arranged outside the connecting column (15), and the top of the damping spring (14) is attached to the bottom of the fixing seat (13) mutually.

6. The COFDM-based power amplification apparatus according to claim 1, wherein: damping spring (14) and spliced pole (15) all are the equidistance setting about the outer wall of connecting bottom plate (16), and damping spring (14) and be welded connection between connecting bottom plate (16).