CN216650355U

CN216650355U - OTA power amplifier

Info

Publication number: CN216650355U
Application number: CN202123183871.6U
Authority: CN
Inventors: 赵坤; 张前
Original assignee: Jiangsu Yingtuo Power Technology Co Ltd
Current assignee: Jiangsu Yingtuo Power Technology Co Ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-31
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses an OTA power amplifier, relating to the technical field of power amplifiers, comprising an installation box, be provided with the OTA power amplifier body in the install bin, the symmetry is provided with a quantity and is greater than a set of damper between the upper and lower surface of OTA power amplifier body and the install bin inner wall, the OTA power amplifier body passes through damper and links to each other with the install bin, the install bin is opened in the left side has the port, the install bin is at left side port department fixedly connected with air inlet plate, open on the air inlet plate have a quantity big one and follow the air inlet duct of tilt up down, the air inlet plate is at the air inlet duct internal fixedly connected with filter screen, open on the right side of install bin has the radiating groove, the install bin is at right side inner wall fixedly connected with radiator fan, radiator fan's air outlet and radiating groove intercommunication, fixedly connected with quantity is greater than the equipment interface of one on the outside leading flank of install bin, the install bin is provided with the slip safety cover in the outside of equipment interface.

Description

OTA power amplifier

Technical Field

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

Background

The power amplifier is an important component of the electronic equipment, and stable power supply has a positive effect on maintaining good performance of the power amplifier.

The traditional OTA power amplifier's structure design can not satisfy people's demand more and more, and traditional OTA power amplifier heat dissipation ability is poor, and the vent can store up the dust along with the live time's lapse, and leads to the side vent to dwindle, and the air volume is not enough. The traditional power amplifier is poor in protection, does not have a shockproof function, does not have effective protection measures, and can inevitably affect internal components when collision occurs or the power amplifier is taken or placed carelessly, so that the components are damaged, the normal use of the power amplifier is affected, and the equipment joint is also lack of protection when the power amplifier is used, so that the normal operation of the equipment is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the conventional OTA power amplifier is poor in heat dissipation capability, and dust is accumulated in the ventilation opening, so that the side ventilation opening is reduced, the protection is poor, the OTA power amplifier does not have a shockproof function, and effective protection measures are not available.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a OTA power amplifier, including the install bin, be provided with the OTA power amplifier body in the install bin, the symmetry is provided with a quantity and is greater than a set of damper between the upper and lower surface of OTA power amplifier body and the install bin inner wall, the OTA power amplifier body passes through damper and links to each other with the install bin, the install bin is opened in the left side has the port, the install bin is at left side port department fixedly connected with air inlet plate, it has a quantity big one and follows the air inlet duct of tilt up to open on the air inlet plate, the air inlet plate is at the air inlet duct fixedly connected with filter screen, open on the right side of install bin has the radiating groove, the install bin is at right side inner wall fixedly connected with radiator fan, radiator fan's air outlet and radiating groove intercommunication, fixedly connected with quantity is greater than the equipment interface of one on the outside leading flank of install bin, the install bin is provided with the slip safety cover in the outside of equipment interface.

Preferably: damping component includes spring and telescopic link, the one end and the OTA power amplifier body fixed connection of telescopic link, the other end of telescopic link and the inner wall fixed connection of install bin, and the outside cover of telescopic link has the spring, the one end and the OTA power amplifier body fixed connection of spring, the other end and the inner wall fixed connection of install bin of spring.

Preferably: the sliding protection cover comprises a sliding protection cover sliding rail, a U-shaped protection plate and pulleys, wherein a pair of pulleys is fixedly connected to two ends of the U-shaped protection plate respectively, the pulleys are connected in the sliding rail in a sliding mode, and the sliding rail is fixedly connected to the front side face of the outer portion of the installation box.

Preferably: the handle is fixedly connected to the center of the outer side face of the U-shaped guard plate.

Preferably: four corners of install bin are fixedly connected with corner pad respectively, and the material of corner pad is synthetic rubber.

Due to the adoption of the technical scheme, the utility model has the following advantages:

OTA power amplifier links to each other through damper with the install bin and more is favorable to the heat dissipation, sets up radiator fan through open on the air inlet plate of left side and can accelerate the heat dissipation that the air inlet duct that has a large amount of one and from the tilt up and right side down.

Through setting up corner pad and install bin can effectively protect OTA power amplifier, damping component can reduce to vibrate and cause the influence to components and parts in the OTA power amplifier, prevents the harm that collision or accident caused components and parts.

The air inlet groove and the filter screen which are inclined upwards from bottom to bottom are arranged to reduce the influence of dust entering the installation box on the element on the OTA power amplifier body.

Drawings

Fig. 1 is a schematic diagram of an OTA power amplifier.

Fig. 2 is a front view of an OTA power amplifier.

Fig. 3 is a top view of an OTA power amplifier.

In the figure: the device comprises an installation box 1, an air inlet groove 2, an air inlet plate 3, a spring 4, a telescopic rod 5, an OTA power amplifier body 6, a cooling fan 7, a cooling groove 8, a corner pad 9, a sliding rail 10, a U-shaped guard plate 11, a handle 12, a pulley 13, an equipment interface 14 and a filter screen 15.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, an OTA power amplifier includes an installation box 1, an OTA power amplifier body 6 is disposed in the installation box 1, more than one group of damping assemblies are symmetrically disposed between upper and lower surfaces of the OTA power amplifier body 6 and an inner wall of the installation box 1, the OTA power amplifier body 6 is connected to the installation box 1 through the damping assemblies, a port is opened on a left side of the installation box 1, an air inlet plate 3 is fixedly connected to the port on the left side of the installation box 1, one air inlet groove 2 which is larger in number and is inclined from bottom to top is opened on the air inlet plate 3, a filter screen 15 is fixedly connected to the air inlet groove 2 in the air inlet plate 3, a heat dissipation groove 8 is opened on a right side of the installation box 1, a heat dissipation fan 7 is fixedly connected to the inner wall on the right side of the installation box 1, an air outlet of the heat dissipation fan 7 is communicated with the heat dissipation groove 8, more than one device interface 14 is fixedly connected to an outer front side surface of the installation box 1, the mounting box 1 is provided with a sliding protective cover on the outside of the device interface 14.

Damping component includes spring 4 and telescopic link 5, the one end and the OTA power amplifier body 6 fixed connection of telescopic link 5, the other end of telescopic link 5 and install bin 1's inner wall fixed connection, and the outside cover of telescopic link 5 has spring 4, spring 4's one end and OTA power amplifier body 6 fixed connection, spring 4's the other end and install bin 1's inner wall fixed connection.

The protective cover comprises a sliding protective cover sliding rail 10, a U-shaped protective plate 11 and pulleys 13, wherein a pair of pulleys 13 are fixedly connected to two ends of the U-shaped protective plate 11 respectively, the pulleys 13 are connected in the sliding rail 10 in a sliding mode, and the sliding rail 10 is fixedly connected to the front side face of the outer portion of the installation box 1.

The handle 12 is fixedly connected to the center of the outer side surface of the U-shaped guard plate 11.

Four corners of install bin 1 are fixedly connected with corner pad 9 respectively, and the material of corner pad 9 is synthetic rubber.

The working principle of the utility model is as follows: during the use, slide U type backplate 1 upwards through handle 12, then be connected instrument connecting plug and equipment interface 14, then loosen handle 12, under the effect of gravity, 11 glides of U type backplate cover instrument connecting plug and equipment interface 14, start-up fan 7 dispels the heat to OTA power amplifier body 6, damper assembly protects and cushions OTA power amplifier body 6 with install bin 1, set up air inlet duct 2 and filter screen 15 from the tilt up and reduce the dust and cause the influence to OTA power amplifier body 6 in getting into install bin 1.

Claims

1. An OTA power amplifier comprises an installation box (1) and is characterized in that an OTA power amplifier body (6) is arranged in the installation box (1), more than one group of shock absorption assemblies are symmetrically arranged between the upper surface and the lower surface of the OTA power amplifier body (6) and the inner wall of the installation box (1), the OTA power amplifier body (6) is connected with the installation box (1) through the shock absorption assemblies, a port is formed in the left side of the installation box (1), an air inlet plate (3) is fixedly connected with the port of the left side of the installation box (1), an air inlet groove (2) which is larger in number and is inclined upwards from bottom to top is formed in the air inlet plate (3), a filter screen (15) is fixedly connected in the air inlet groove (2) of the air inlet plate (3), a heat dissipation groove (8) is formed in the right side of the installation box (1), a heat dissipation fan (7) is fixedly connected with the inner wall of the right side of the installation box (1), and an air outlet of the heat dissipation fan (7) is communicated with the heat dissipation groove (8), the installation box (1) is fixedly connected with more than one equipment interface (14) on the outer front side surface, and a sliding protective cover is arranged on the outer side of the equipment interface (14) of the installation box (1).

2. An OTA power amplifier according to claim 1, characterized in that damping component includes spring (4) and telescopic link (5), one end and OTA power amplifier body (6) fixed connection of telescopic link (5), the other end and the inner wall fixed connection of install bin (1) of telescopic link (5), the outside cover of telescopic link (5) has spring (4), the one end and the OTA power amplifier body (6) fixed connection of spring (4), the other end and the inner wall fixed connection of install bin (1) of spring (4).

3. An OTA power amplifier as claimed in claim 1 wherein the sliding protection cover slide rail (10), the U-shaped guard plate (11) and the pulley (13), wherein a pair of pulleys (13) are respectively fixedly connected to two ends of the U-shaped guard plate (11), the pulley (13) is slidably connected in the slide rail (10), and the slide rail (10) is fixedly connected to the outer front side of the mounting box (1).

4. An OTA power amplifier according to claim 3, characterised in that a handle (12) is fixedly attached to the centre of the outer side of the U-shaped shield (11).

5. An OTA power amplifier as claimed in claim 1, characterized in that corner pads (9) are fixedly connected to the four corners of the mounting box (1), respectively, and the corner pads (9) are made of synthetic rubber.