CN214756268U

CN214756268U - Power amplifier with circuit matching structure

Info

Publication number: CN214756268U
Application number: CN202121180793.1U
Authority: CN
Inventors: 展玉衡; 闫彪; 李飞龙; 石世飞; 闫斌; 徐梦晗
Original assignee: Shijiazhuang Xinke Microwave Technology Co ltd
Current assignee: Shijiazhuang Xinke Microwave Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-16
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a power amplifier with circuit matching structure, including the shielding lid, the one end of shielding lid is rotated and is connected with the shielding box, the inside fixed groove of accomodating that is equipped with of shielding box, accomodate the support column of two symmetric distributions of groove bottom fixedly connected with, sliding connection has the adapter sleeve on the outer wall of support column upper end, the first lug of one side fixedly connected with of adapter sleeve, one side sliding connection of first lug have with first lug assorted second lug, one side fixedly connected with connecting block of second lug, the first sealing plug of one side fixedly connected with of connecting block, one side of first sealing plug is run through and is located in the vacuum tube, first sealing plug and vacuum tube sliding connection, the top of connecting block is equipped with splint, the inside shield assembly that is equipped with of shielding box. The utility model discloses when having increased the installation effectiveness to the amplifier body, reduced staff's intensity of labour.

Description

Power amplifier with circuit matching structure

Technical Field

The utility model relates to a power amplifier technical field specifically is a power amplifier with circuit matching structure.

Background

In the using process of the electric box, in order to reduce the power consumption of electronic devices on the electric box circuit at the moment of on-off conversion, a power amplifier, which is called a power amplifier for short, is usually installed and connected in the electric box, and the power amplifier is an amplifier capable of generating maximum power output to drive a certain load (such as a loudspeaker) under the condition of a given distortion rate, plays a role of 'organization and coordination' in the whole sound system, and determines to some extent whether the whole system can provide good tone quality output, the output frequency of the power amplifier is high, a space radiation electromagnetic field can be generated, in order to ensure the stable work of the power amplifier, the circuits of all parts do not influence each other, and meanwhile, radiation is reduced, and a shielding device needs to be arranged for the power amplifier.

However, the power amplifier of the conventional electrical box is directly installed inside the electrical box through threads, and the installation mode of the threaded connection has low operation efficiency, and is easy to bring inconvenience to the threaded installation and connection because the space inside the electrical box is small.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power amplifier with circuit matching structure to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a power amplifier with circuit matching structure, includes the shielding lid, the one end of shielding lid is rotated and is connected with the shielding box, the fixed groove of accomodating that is equipped with in shielding box inside, accomodate the support column of two symmetric distributions of tank bottom fixedly connected with, sliding connection has the adapter sleeve on the outer wall of support column upper end, the first lug of one side fixedly connected with of adapter sleeve, one side sliding connection of first lug have with first lug assorted second lug, one side fixedly connected with connecting block of second lug, the first sealing plug of one side fixedly connected with of connecting block, one side of first sealing plug is run through and is located in the vacuum tube, first sealing plug and vacuum tube sliding connection, the top of connecting block is equipped with splint, the inside shield assembly that is equipped with of shielding box.

In a preferred embodiment: the shielding device comprises an insulating layer fixedly connected with the outer wall of the accommodating groove, a magnetic conduction layer is fixedly connected to the outer wall of the insulating layer, a conductive layer is fixedly connected to the outer wall of the magnetic conduction layer, the outer wall of the conductive layer is fixedly connected with the inner wall of the shielding box, and heat dissipation boxes are fixedly connected to the outer walls of the two sides of the shielding box.

In a preferred embodiment: fixedly connected with fan of blowing on the inner wall of heat dissipation case, fixedly connected with heat-conducting plate on the wall body of accomodating the groove, one side of heat-conducting plate is run through and is located the shielding box outside, the one end fixedly connected with rubber seal of shielding lid through the setting of fan and heat-conducting plate of blowing, has increased the radiating efficiency to the amplifier body.

In a preferred embodiment: one side of the vacuum tube is fixedly connected with the containing groove through the connecting column, a second sealing plug is arranged at the upper end of the vacuum tube in a penetrating mode, the second sealing plug is connected with the vacuum tube in a sliding mode, one side of the second sealing plug is fixedly connected with the clamping plate, and the amplifier body can be clamped and fixed through the weight of the amplifier body.

In a preferred embodiment: the utility model discloses a supporting device for a vehicle, including adapter sleeve, support column, spring, supporting plate, supporting column, the adapter sleeve top is equipped with the backup pad, backup pad and support column outer wall sliding connection, the lower extreme fixedly connected with spring of adapter sleeve, the lower extreme of spring with accomodate groove fixed connection, through the setting of spring, play the buffering and to the effect of the support of adapter sleeve and first lug.

In a preferred embodiment: the amplifier comprises an amplifier body, a first lug, a connecting block, a groove and a groove, wherein the first lug and the connecting block are connected with the amplifier body in a sliding mode, the groove is formed in the amplifier body, the second lug and the connecting block are connected with the groove in a sliding mode, the amplifier body is connected with the groove in a fixed mode, the groove is connected with a handle in an inner rotating mode, and the amplifier body is taken and moved conveniently through the groove and the handle.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses a accomodate groove, the support column, the adapter sleeve, first lug, the second lug, the connecting block, first sealing plug, the vacuum tube, the setting of splint and second sealing plug, the centre gripping fixed action to the amplifier body is accomplished to self weight of usable amplifier body, need not staff's manual installation, when having increased the installation effectiveness to the amplifier body, reduced staff's intensity of labour, through the setting of handle and recess again, the convenience is to taking and removing of amplifier body.

2. The utility model discloses a setting of shield cover, insulating layer, magnetic conduction layer and conducting layer has increased the shielding efficiency of amplifier body, makes its easy operation, has satisfied the user demand to the amplifier body, through the setting of heat-conducting plate, heat dissipation case and the fan of blowing again, can dispel the heat to the amplifier body, has increased the life of amplifier body.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic top sectional view of the shielding box of the present invention;

FIG. 3 is a schematic view of the sectional structure of the inner part of the storage tank of the present invention;

fig. 4 is a schematic structural diagram of the amplifier body of the present invention;

in the figure: 1. a shield cover; 2. a shield case; 3. a receiving groove; 4. a support pillar; 5. connecting sleeves; 6. a first bump; 7. a second bump; 8. connecting blocks; 9. a first sealing plug; 10. a vacuum tube; 11. a splint; 12. an insulating layer; 13. a magnetically conductive layer; 14. a conductive layer; 15. a heat dissipation box; 16. a blower fan; 17. a heat conducting plate; 18. a second sealing plug; 19. a support plate; 20. a spring; 21. an amplifier body; 22. a groove; 23. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a power amplifier with a circuit matching structure comprises a shielding cover 1, wherein one end of the shielding cover 1 is rotatably connected with a shielding box 2, the shielding box 2 is internally and fixedly provided with a containing groove 3, the bottom end of the containing groove 3 is fixedly connected with two support columns 4 which are symmetrically distributed, a connecting sleeve 5 is connected on the outer wall of the upper end of the supporting column 4 in a sliding way, one side of the connecting sleeve 5 is fixedly connected with a first lug 6, one side of the first lug 6 is connected with a second lug 7 matched with the first lug 6 in a sliding way, one side of the second bump 7 is fixedly connected with a connecting block 8, one side of the connecting block 8 is fixedly connected with a first sealing plug 9, one side of the first sealing plug 9 is arranged in the vacuum tube 10 in a penetrating way, the first sealing plug 9 is connected with the vacuum tube 10 in a sliding way, the top of connecting block 8 is equipped with splint 11, the inside shield assembly that is equipped with of shielding box 2.

Further, shielding device includes and accomodates 3 outer wall fixed connection's in groove insulating layer 12, fixedly connected with magnetic conduction layer 13 on the outer wall of insulating layer 12, fixedly connected with conducting layer 14 on the outer wall of magnetic conduction layer 13, the outer wall and the 2 inner wall fixed connection of shielding box of conducting layer 14, the both sides outer wall fixed connection of shielding box 2 has heat dissipation case 15.

Further, fixedly connected with fan 16 of blowing on the inner wall of heat dissipation case 15, fixedly connected with heat-conducting plate 17 on the wall body of accomodating groove 3, one side of heat-conducting plate 17 is run through and is located the shielding box 2 outside, the one end fixedly connected with rubber seal of shield cover 1, the heat conduction of amplifier body is come out to the heat-conducting plate, later dispels the heat by fan of blowing, and then has increased the life of amplifier body.

Furthermore, one side of the vacuum tube 10 is fixedly connected with the accommodating groove 3 through a connecting column, a second sealing plug 18 is arranged at the upper end of the vacuum tube 10 in a penetrating mode, the second sealing plug 18 is connected with the vacuum tube 10 in a sliding mode, one side of the second sealing plug 18 is fixedly connected with the clamping plate 11, the second sealing plug is driven to move along with the movement of the first sealing plug, and therefore the clamping plate can be driven to clamp and fix the amplifier body.

Further, the connecting sleeve 5 top is equipped with backup pad 19, backup pad 19 and 4 outer wall sliding connection of support column, the lower extreme fixedly connected with spring 20 of connecting sleeve 5, the lower extreme of spring 20 with accomodate groove 3 fixed connection, along with place the amplifier body in the backup pad and drive the connecting sleeve downstream, and then drive the spring compression, play the effect of buffering.

Further, second lug 7 and connecting block 8 all with accomodate groove 3 sliding connection, accomodate groove 3 sliding connection has amplifier body 21, the fixed recess 22 that is equipped with in upper end of amplifier body 21, the recess 22 internal rotation is connected with handle 23, when needs take or carry out the removal in the position to the amplifier body, outside the recess with handle commentaries on classics, carry afterwards the handle can.

The utility model discloses a theory of operation: when the amplifier is used, the shielding cover 1 is opened, the handle 23 of the amplifier body is rotated out of the groove 22 after the shielding cover 1 is opened, then the handle 23 at the upper end of the amplifier body is lifted by a worker, then the amplifier body is placed on the supporting plate 19 in the accommodating groove 3, then the supporting plate 19 starts to move downwards under the action of gravity of the amplifier body, the supporting plate 19 moves downwards to drive the connecting sleeve 5 to move downwards, the connecting sleeve 5 moves downwards to drive the first lug 6 to move downwards, so that the two second lugs 7 are driven to move towards opposite directions under the action of force, the second lug 7 moves to drive the connecting block 8 to slide at the bottom end of the accommodating groove 3, further the first sealing plug 9 is driven to move towards the two sides of the accommodating groove 3 in the vacuum tube 10, the movement of the first sealing plug 9 drives the second sealing plug 18 to move towards the middle position through the vacuum tube 10, further the two clamping plates 11 are driven to move towards the amplifier body, thereby clamping the amplifier body, after clamping, rotating the handle 23 into the groove 22, starting the amplifier body and then closing the shielding cover 1, with the continuous work of the amplifier body, the heat of the amplifier body is introduced into the accommodating groove 3 through the heat dissipation hole on one side, and then is transmitted into the heat dissipation box 15 through the heat conduction plate 17, at this time, starting the blowing fan 16 to dissipate the heat of the heat conduction plate 17, through the arrangement of the dust adsorption net arranged at the joint of the heat dissipation box 15 and the shielding box 2, the dust can be prevented from being adsorbed on the heat conduction plate 17, and further the service life of the heat conduction plate 17 is shortened, meanwhile, the conductive layer 14 can effectively shield the high-frequency electromagnetic signal, the magnetic conduction layer 13 is made of high-magnetic-permeability material, a low-resistance passage can effectively shield the electromagnetic signal, especially the low-frequency electromagnetic signal, the insulating layer 12 is a PVC layer, and plays a role of insulating and sealing, and the inside of the whole device is not in direct contact with the outside air, so that the problem of poor shielding effect caused by electromagnetic leakage is effectively avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A power amplifier with a circuit matching structure, comprising a shielding cover (1), characterized in that: one end of the shielding cover (1) is rotatably connected with a shielding box (2), the shielding box (2) is fixedly arranged in a containing groove (3), the bottom end of the containing groove (3) is fixedly connected with two support columns (4) which are symmetrically distributed, the outer wall at the upper ends of the support columns (4) is connected with a connecting sleeve (5) in a sliding manner, one side of the connecting sleeve (5) is fixedly connected with a first lug (6), one side of the first lug (6) is connected with a second lug (7) which is matched with the first lug (6) in a sliding manner, one side of the second lug (7) is fixedly connected with a connecting block (8), one side of the connecting block (8) is fixedly connected with a first sealing plug (9), one side of the first sealing plug (9) penetrates through the vacuum tube (10), the first sealing plug (9) is connected with the vacuum tube (10) in a sliding manner, a clamping plate (11) is arranged above the connecting block (8), and a shielding device is arranged in the shielding box (2).

2. A power amplifier with a circuit matching architecture as claimed in claim 1, wherein: the shielding device comprises an insulating layer (12) fixedly connected with the outer wall of the accommodating groove (3), a magnetic conduction layer (13) is fixedly connected to the outer wall of the insulating layer (12), a conductive layer (14) is fixedly connected to the outer wall of the magnetic conduction layer (13), the outer wall of the conductive layer (14) is fixedly connected with the inner wall of the shielding box (2), and the heat dissipation boxes (15) are fixedly connected with the outer walls of the two sides of the shielding box (2).

3. A power amplifier with a circuit matching structure according to claim 2, characterized in that: fixedly connected with fan (16) of blowing on the inner wall of heat dissipation case (15), fixedly connected with heat-conducting plate (17) on the wall body of accomodating groove (3), one side of heat-conducting plate (17) is run through and is located shielding box (2) outside, the one end fixedly connected with rubber seal of shielding lid (1).

4. A power amplifier with a circuit matching architecture as claimed in claim 1, wherein: one side of the vacuum tube (10) is fixedly connected with the accommodating groove (3) through a connecting column, a second sealing plug (18) penetrates through the upper end of the vacuum tube (10), the second sealing plug (18) is connected with the vacuum tube (10) in a sliding mode, and one side of the second sealing plug (18) is fixedly connected with the clamping plate (11).

5. A power amplifier with a circuit matching architecture as claimed in claim 1, wherein: connecting sleeve (5) top is equipped with backup pad (19), backup pad (19) and support column (4) outer wall sliding connection, the lower extreme fixedly connected with spring (20) of connecting sleeve (5), the lower extreme of spring (20) with accomodate groove (3) fixed connection.

6. The power amplifier with circuit matching structure of claim 5, wherein: second lug (7) and connecting block (8) all with accomodate groove (3) sliding connection, accomodate groove (3) sliding connection and have amplifier body (21), the upper end of amplifier body (21) is fixed and is equipped with recess (22), recess (22) internal rotation is connected with handle (23).