CN210745560U

CN210745560U - Power amplifier machine case

Info

Publication number: CN210745560U
Application number: CN202020137394.6U
Authority: CN
Inventors: 谢良; 张运
Original assignee: Tiangong (guangzhou) Audio Equipment Co Ltd
Current assignee: Tiangong (guangzhou) Audio Equipment Co Ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-06-12
Anticipated expiration: 2030-01-20

Abstract

The application discloses power amplifier machine case includes: a chassis body; the machine case body is internally provided with an accommodating cavity; the accommodating cavity is internally provided with a plurality of placing grooves which are sequentially distributed along the direction from one side end wall to the other side end wall of the case body and are arranged along the direction from the front end wall to the rear end wall of the case body; a first clearance space communicated with the placing groove is arranged between one end of the placing groove facing to the front end wall of the accommodating cavity and the front end wall of the accommodating cavity. The installation structure for installing the power amplifier module can be orderly and compactly formed, and the subsequent power amplifier module is convenient to maintain and replace.

Description

Power amplifier machine case

Technical Field

The application relates to the technical field of power amplifier equipment, in particular to a case for a power amplifier.

Background

The power amplifier is commonly called as a loudspeaker, and has the function of amplifying weak signals from a sound source or a preceding amplifier to push a sound box to play sound. The power of a set of good sound system power amplifier is not available. The power amplifier device generally includes a chassis, a power input control module, a power amplifier module, and the like. The existing power amplifier equipment can be divided into a single channel and multiple channels, wherein the multiple channels have a more three-dimensional power amplifier effect than the single channel. However, the internal structure of the chassis of the existing multi-channel power amplifier device is single, and the channel modules cannot be well distributed, so that the channel power amplifier modules and the power input control module in the existing multi-channel power amplifier device are collectively distributed in the power amplifier chassis, once one of the channel power amplifier modules is damaged, the whole power amplifier device of a consumer is required to be taken away or sent back to an after-sale service point for maintenance, and the maintenance and the replacement are troublesome.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides a chassis for a power amplifier, which can form an orderly and compact installation structure for installing a power amplifier module, and facilitate maintenance and replacement of a subsequent power amplifier module.

In order to achieve the above technical objective, the present application provides a chassis for power amplifier, including: a chassis body;

an accommodating cavity is formed in the case body;

the accommodating cavity is internally provided with a plurality of placing grooves which are sequentially distributed along the direction from one side end wall to the other side end wall of the case body and are arranged along the direction from the front end wall to the rear end wall of the case body;

a first gap space communicated with the placing groove is formed between one end, facing the front end wall of the accommodating cavity, of the placing groove and the front end wall of the accommodating cavity.

Further, the case body comprises a case body and a case cover;

the box cover can be detachably covered on the box body.

Furthermore, the box cover comprises a cover plate and two connecting plates which are respectively in one-to-one correspondence with the end walls on the two sides of the box body; the two connecting plates are respectively connected with two edges of the cover plate and are distributed in a U shape with the cover plate, and a plurality of first mounting holes are formed in the connecting plates; and second mounting holes matched with the first mounting holes are respectively formed in the end walls of the two sides of the box body.

Furthermore, a plurality of through holes for installing control buttons are formed in the front end wall of the box body.

Furthermore, U-shaped pull rings are symmetrically arranged at two ends of the front end wall of the box body.

Furthermore, a plurality of access holes communicated with the placing grooves in a one-to-one correspondence mode are formed in the rear end wall of the box body.

Furthermore, a plurality of side stoppers which are sequentially arranged along the direction from one side end wall of the case to the other side end wall are arranged on the bottom wall in the case body;

the placing grooves are respectively formed between two adjacent side blocking pieces and between the side blocking pieces and the inner side wall of the box body.

Furthermore, the first end of the side stopper is connected with the inner rear end wall of the box body, and the second end of the side stopper and the inner front end wall of the box body form the first gap space.

Furthermore, the side baffle is composed of two side baffles which are parallel to each other and are vertically arranged on the inner bottom wall of the box body;

and a second gap space communicated with the first gap space is formed between the two side baffles and the inner bottom wall of the box body in a surrounding manner.

Further, a communication gap communicated with the placing groove is formed between the top of the side baffle and the inner top wall of the box cover.

According to the technical scheme, the accommodating cavity in the case body is provided with the plurality of placing grooves which are distributed in sequence along the end wall of one side of the case body to the end wall of the other side of the case body, the placing grooves are formed along the front end wall of the case body to the rear end wall of the case body, and the first gap space communicated with the placing grooves is formed in front of one end, facing the front end wall of the accommodating cavity, of the placing grooves and the front end wall of the accommodating cavity. Can be used for installing each passageway power amplifier module of overall arrangement through setting up a plurality of standing grooves in the holding intracavity, moreover, the first clearance space that forms can be used for installing the outer power input control module of power amplifier module etc for between the power amplifier module, and can be ordered each other between power amplifier module and the power input control module etc. separate the installation, make things convenient for the maintenance of follow-up power amplifier module to change.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic overall structure diagram of a chassis for a power amplifier provided in the present application;

fig. 2 is a schematic structural diagram of a case of a power amplifier case provided in the present application;

in the figure: 100. a chassis; 101. a box body; 1011. a U-shaped pull ring; 1012. an access hole; 102. a box cover; 1021. a cover plate; 1022. a connecting plate; 103. a side dam; 1031. a lock hole; 104. a placement groove; 105. a second interstitial space; 106. and the power supply input control module.

Detailed Description

The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

The embodiment of the application discloses a case for a power amplifier.

Referring to fig. 1 and fig. 2, an embodiment of a chassis for a power amplifier provided in an embodiment of the present application includes:

a chassis body 100; an accommodating cavity is arranged in the case body 100; the accommodating cavity is internally provided with a plurality of placing grooves 104 which are sequentially distributed along the direction from one side end wall to the other side end wall of the case body 100 and are arranged along the direction from the front end wall to the rear end wall of the case body 100; a first clearance space communicated with the placing groove is arranged between one end of the placing groove 104 facing the front end wall of the accommodating cavity and the front end wall of the accommodating cavity.

As shown in fig. 1, according to the above technical solutions, in the present application, the accommodating cavity in the chassis body 100 is provided with a plurality of placing grooves 104 which are sequentially distributed along the end wall of one side of the chassis body 100 toward the end wall of the other side, and are arranged along the end wall of the front end of the chassis body 100 toward the end wall of the rear end, and a first gap space communicated with the placing grooves 104 is arranged between one end of the placing grooves 104 toward the end wall of the front end of the accommodating cavity and the end wall of the front end of the accommodating cavity. Through setting up a plurality of standing grooves 104 in the holding intracavity and can be used for installing each passageway power amplifier module of overall arrangement drawing and show, moreover, the first clearance space that forms can be used for installing power input control module 106 etc. outside the power amplifier module for between the power amplifier module, and can be orderly each other separate the installation between power amplifier module and the power input control module 106 etc. make things convenient for the maintenance of follow-up power amplifier module to change.

The above is a first embodiment of a chassis for a power amplifier provided in the present application, and the following is a second embodiment of a chassis for a power amplifier provided in the present application, specifically please refer to fig. 1 to 2.

A power amplifier machine case, includes: a chassis body 100; an accommodating cavity is arranged in the case body 100; the accommodating cavity is internally provided with a plurality of placing grooves 104 which are sequentially distributed along the direction from one side end wall to the other side end wall of the case body 100 and are arranged along the direction from the front end wall to the rear end wall of the case body 100; a first clearance space communicated with the placing groove is arranged between one end of the placing groove 104 facing the front end wall of the accommodating cavity and the front end wall of the accommodating cavity. In this embodiment, the placing slots 104 are sequentially arranged in parallel and are arranged along the front end wall of the chassis body 100 toward the rear end wall, so that the internal space of the chassis body 100 can be better utilized, the number of the placing slots 104 that can be arranged is also as large as possible, and the internal structure is more compact. Taking eight-channel power amplifier devices as an example, in the present embodiment, as shown in fig. 1 and fig. 2, four placing slots 104 are provided, two channel power amplifier modules can be installed corresponding to each placing slot 104, and in specific application, the number of the placing slots 104 can be increased as needed, and is not limited specifically.

Further, as shown in fig. 1 and 2, the chassis body 100 may include a box 101 and a box cover 102; the cover 102 is detachably attached to the case 101. The box 101 may be a square structure, and the corresponding box cover 102 is a shape structure adapted to the square structure. Specifically, the case cover 102 may include a cover plate 1021 and two connection plates 1022 respectively corresponding to end walls of two sides of the case 101, the two connection plates 1022 are respectively connected to two edges of the cover plate 1021, and are distributed in a U-shape with the cover plate 1021, and the connection plates 1022 are provided with a plurality of first mounting holes; the two side end walls of the box 101 are respectively provided with a second mounting hole (not shown) matching with the first mounting hole (not shown), and the box cover 102 and the box 101 can be fixedly connected through fasteners such as screws. The structure of the housing 100 constructed by the housing 101 and the cover 102 is easy to disassemble and assemble, and certainly not limited to the above structure, and those skilled in the art can make appropriate changes based on the above structure.

Further, the front end wall of the box 101 is provided with a plurality of through holes (not shown) for installing control buttons, and the through holes are used for arranging corresponding control buttons, so that the front end wall of the box 101 can form an operation surface, and the operation and the use are convenient for users. The corresponding control button on the power input control module 106 is secured through the aforementioned through hole in the front end wall of the housing 101.

Further, U-shaped pull rings 1011 may be symmetrically disposed at two ends of the front end wall of the box 101, and the carrying case 100 may be conveniently lifted and lowered during transportation by using the U-shaped pull rings 1011.

Further, a plurality of access openings 1012 which are in one-to-one correspondence with the placement grooves 104 are provided in the rear end wall of the box body 101. The access hole 1012 corresponding to the placement groove 104 is formed in the rear end wall of the box 101, and a user or an access person can conveniently overhaul and maintain the power amplifier module in the placement groove 104 through the access hole. The access hole is utilized, so that the case does not need to be completely detached when the access hole is convenient to overhaul, the power amplifier module can be conveniently taken out for maintenance, and the maintenance is more convenient.

In this application, can slide on the standing groove diapire and set up a mounting panel (not shown in the figure), this mounting panel can dismantle fixed connection through fasteners such as screw and standing groove, when tearing open out the screw after, can wholly take the mounting panel out from access hole 1012. Therefore, the power amplifier module is arranged on the mounting plate, and the power amplifier module is more convenient to disassemble and maintain when being maintained and replaced.

Further, as shown in fig. 1 and 2, a plurality of side stoppers are disposed on the inner bottom wall of the box 101 in sequence along a direction from one side end wall to the other side end wall of the chassis 100; the placing grooves 104 are respectively formed between two adjacent side stoppers and between the side stoppers and the inner side wall of the box 101.

Specifically, during installation, the first end of the side stop may be connected to the inner rear end wall of the casing 101, and the second end may form a first clearance space (not shown) with the inner front end wall of the casing 101. Of course, in this embodiment, one end of the side stopper may not be connected to the inner rear end wall of the box 101, but the side stopper may be connected to the inner rear end wall of the box 101, so that the fixing of the side stopper can be better enhanced.

Further, the side baffle may be composed of two side baffles 103 which are parallel to each other and vertically arranged on the inner bottom wall of the box 101; the two side baffles 103 and the inner bottom wall of the box body 101 enclose a second gap space 105 communicated with the first gap space. The side baffle is designed to be composed of two side baffles 103, so that a second gap space 105 communicating with the first gap space can be formed between the two side baffles 103, thus the installation space in the box body 101 can be increased, and the second gap space 105 can be used for arranging module components for controlling each power amplifier module or wiring. The internal structure of the cabinet body 100 is made more compact. Of course, the side blocking member in this application may be a single side blocking plate 103, so that the reserved installation space needs to be redesigned inside the chassis body 100, and those skilled in the art can make appropriate changes based on this, which is not limited in particular.

Further, as shown in fig. 1, a notch (not shown) may be cut in the top of the side guard 103, so that a communication gap for communicating the placement groove 104 is provided between the top of the side guard 103 and the inner top wall of the box cover 102. The adjacent drawing boxes 201 cannot be completely isolated by the side baffle 103, so that the internal gas circulation is better, and the heat dissipation effect is ensured.

In the present application, the side blocking element may also be fixed on the inner top wall of the box cover 102, and specifically, it may be fixed on the inner bottom wall of the box body 101, and those skilled in the art may make appropriate changes based on this, and the details are not limited.

In addition, the descriptions of the "front end wall", "rear end wall", etc. in this application are based on the structural orientations shown in fig. 1 and 2, and are only for convenience in describing the embodiments of the application and for simplicity in description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the embodiments of the application.

According to the technical scheme, the accommodating cavity in the case body 100 is provided with the plurality of placing grooves 104 which are distributed in sequence along the end wall of one side of the case body 100 towards the end wall of the other side of the case body 100 and are arranged along the front end wall of the case body 100 towards the rear end wall, and the first gap space communicated with the placing grooves 104 is arranged between one end of the placing grooves 104 towards the front end wall of the accommodating cavity and the front end wall of the accommodating cavity. Through setting up a plurality of standing grooves 104 in the holding intracavity and can be used for installing each passageway power amplifier module of overall arrangement, moreover, the first clearance space that forms can be used for installing power input control module 106 etc. outside the power amplifier module for between the power amplifier module, and can be the installation of separating of mutual orderly between power amplifier module and power input control module 106 etc. make things convenient for the maintenance of follow-up power amplifier module to change.

In summary, the content of the present specification should not be construed as a limitation to the present application, and a person skilled in the art may change the specific implementation manner and the application scope according to the idea of the embodiment of the present application.

Claims

1. The utility model provides a power amplifier machine case which characterized in that includes: a chassis body;

an accommodating cavity is formed in the case body;

2. The chassis for the power amplifier of claim 1, wherein the chassis body comprises a box body and a box cover;

the box cover can be detachably covered on the box body.

3. The chassis for the power amplifier of claim 2, wherein the case cover comprises a cover plate and two connecting plates corresponding to the end walls of the two sides of the case body one by one;

the two connecting plates are respectively connected with two edges of the cover plate and are distributed in a U shape with the cover plate, and a plurality of first mounting holes are formed in the connecting plates;

and second mounting holes matched with the first mounting holes are respectively formed in the end walls of the two sides of the box body.

4. The chassis for power amplifier of claim 2, wherein the front end wall of the box body is provided with a plurality of through holes for installing control buttons.

5. The chassis for power amplifier of claim 2, wherein the front end wall of the box body is symmetrically provided with U-shaped pull rings at two ends.

6. The chassis for the power amplifier of claim 2, wherein a plurality of access holes are formed in the rear end wall of the box body and are in one-to-one correspondence with the placing grooves.

7. The chassis for the power amplifier of claim 2, wherein a plurality of side stoppers are sequentially disposed on the bottom wall of the chassis along a direction from one side end wall to the other side end wall of the chassis;

8. The chassis for power amplifier of claim 7, wherein the first end of the side stopper is connected to the inner rear end wall of the case, and the second end forms the first gap space with the inner front end wall of the case.

9. The chassis for power amplifier of claim 7, wherein the side blocking member is composed of two side blocking plates parallel to each other and vertically disposed on the inner bottom wall of the chassis;

10. The chassis for power amplifier of claim 9, wherein a communication gap for communicating the placement groove is formed between the top of the side baffle and the inner top wall of the case cover.