CN216134458U

CN216134458U - Filter shell with heat dissipation function

Info

Publication number: CN216134458U
Application number: CN202121857064.5U
Authority: CN
Inventors: 方正; 刘阳春
Original assignee: Hangzhou Fanghao Electronic Technology Co ltd
Current assignee: Hangzhou Fanghao Electronic Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-03-25
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a filter shell with a heat dissipation function, which comprises a bottom plate and an installation frame, wherein a fixed extending edge connected with the bottom plate is arranged on the bottom surface of the installation frame, and a bolt hole fixedly connected with the installation frame and the bottom plate is formed in the fixed extending edge; the filter main body is arranged on the bottom plate and is covered in the mounting frame; all be equipped with fixed connection's fin on four sides of installation frame and a top surface. The filter is convenient to maintain and install by quickly disassembling and assembling the upper shell and the lower shell. Besides the bottom surface fixed connection surface, the other 5 surfaces of the periphery of the filter body are provided with radiating fins, so that the radiating area is increased, and the effect is improved.

Description

Filter shell with heat dissipation function

Technical Field

The utility model relates to the field of electronic elements, in particular to a filter shell with a heat dissipation function.

Background

The filter is a filter circuit consisting of a capacitor, an inductor and a resistor. The filter is a device or circuit with processing function to the signal, and is also more and more widely produced and used with the continuous development of the electronic market, the filter is mainly divided into an active filter and a passive filter, the main function is to make the useful signal pass through without attenuation as much as possible, and reflect the useless signal as much as possible, the filter generally has two ports, one input signal and one output signal, and by using the characteristic, a square wave group or composite noise wave passing through the filter can be gated, so as to obtain a sine wave with a specific frequency. If the GSM cavity filter is mainly used for communicating a base station with a user, on one hand, along with the wide use of wireless equipment, base station equipment of an operator is always in interference of various noises, each base station is in interference of several to dozens of noises, the sensitivity of the base station is greatly reduced, KPI (key performance indicator) is reduced, the perception of the user is seriously influenced, on the other hand, a certain amount of heat is generated in the running process of the GSM cavity filter, if the temperature is not reduced and the heat is dissipated in time, the GSM cavity filter also causes interference to the sensitivity and shortens the service life of a shell and internal components of the filter.

The defects in the prior art are that the cost of the aluminum alloy shell additionally assembled on the existing filter shell is high, and various noise interferences and the running heat of the filter per se can not be sufficiently radiated.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a filter shell with a heat dissipation function, so as to solve the problems of high cost and poor heat dissipation performance of the conventional aluminum alloy shell of a filter.

In order to achieve the above object, the present invention provides the following techniques:

a filter shell with a heat dissipation function comprises a bottom plate and an installation frame, wherein a fixed extension edge connected with the bottom plate is arranged on the bottom surface of the installation frame, and a bolt hole fixedly connected with the installation frame and the bottom plate is formed in the fixed extension edge; the filter main body is arranged on the bottom plate and is covered in the mounting frame; all be equipped with fixed connection's fin on four sides of installation frame and a top surface.

The utility model is based on the principle that the mounting frame is firstly fixed on the bottom plate; then the radiating fins are welded and fixed on 4 side surfaces or top surfaces of the frame, and the angle formed by the radiating fins and the plane during welding is freely adjusted according to actual requirements; the base plate will finally be fixed in the electronic components used in the filter by means of bolts or other fixing elements.

Furthermore, the installation frame includes four lateral uprights and four top surfaces that are connected end to enclose a rectangular cross bar, and the upright and the cross bar enclose a cuboid frame without a bottom surface.

Furthermore, be equipped with the shielding plate on the pole setting of installation frame one side or the horizontal pole, the installation frame is equipped with the fin on four sides in addition.

Furthermore, the vertical rods or the cross rods on the two sides of the mounting frame are provided with shielding plates, and the other three sides of the mounting frame are provided with cooling fins.

Furthermore, the vertical rods or the cross rods on three sides of the mounting frame are provided with shielding plates, and the other two sides of the mounting frame are provided with cooling fins.

Furthermore, the radiating fins on the top surface of the mounting frame and the horizontal plane form a certain included angle.

Furthermore, the radiating fins on the three sides of the mounting frame form a certain included angle with the vertical plane, and a shielding plate is arranged on one side.

Furthermore, the bottom plate is provided with fixing holes for fixedly connecting the filter, and the bottom surface of the mounting frame is provided with two, three and four fixing extending edges.

Compared with the prior art, the utility model can bring the following technical effects:

1. radiating fins are arranged on the other 5 surfaces of the periphery of the filter body except the bottom surface fixed connecting surface, so that the radiating area is increased, and the effect is improved;

2. the bottom plate and the installation frame structure reduce the used materials when the filter shell is manufactured, and the shell cost of a large amount of aluminum products is reduced while the heat dissipation function is realized.

3. The bottom plate and the fixed edge of extending pass through bolt fixed connection, have realized that bottom plate and installation frame simple structure easy to assemble fixed filter body, the whole wave filter shell that has the heat dissipation function of being convenient for simultaneously installs and dismantles.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model and to enable other features, objects and advantages of the utility model to be more fully apparent. The drawings and their description illustrate the utility model by way of example and are not intended to limit the utility model. In the drawings:

fig. 1 is a front view of a filter housing having a heat dissipation function according to the present invention;

FIG. 2 is a top view of a heat dissipation filter housing with a shielding plate disposed on one side thereof;

FIG. 3 is a top view of the filter housing with heat dissipation function with shielding plates on two sides;

in the figure: 1-bottom plate, 2-installation frame, 3-fixed extending edge, 4-radiating fin, 21-cross bar, 22-vertical bar, 5-bolt and 6-baffle plate.

Detailed Description

In order to make the technical solutions of the present invention better understood, 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.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the utility model and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Examples

As shown in fig. 1, 2 and 3, a filter housing with a heat dissipation function includes a bottom plate 1 and a mounting frame 2, wherein a fixing extending edge 3 connected with the bottom plate 1 is arranged on the bottom surface of the mounting frame 2, and a bolt hole fixedly connecting the mounting frame 2 with the bottom plate 1 is arranged on the fixing extending edge 3; the filter main body is arranged on the bottom plate 1 and is covered in the mounting frame 2; the four side faces and a top face of the mounting frame 2 are provided with fixedly connected cooling fins 4.

The utility model is based on the principle that it is first fastened to the base plate 1 by means of the mounting frame 2; then the radiating fins 4 are welded and fixed on 4 side surfaces or top surfaces of the frame, and the angle formed by the radiating fins 4 and the plane during welding is freely adjusted according to actual requirements; the base plate 1 will finally be fixed in the electronic components used in the filter by means of bolts 5 or other fixing members.

The mounting frame 2 comprises four side uprights 22 and four cross bars 21, wherein the top surfaces of the four side uprights 22 and the four cross bars 21 are connected end to form a rectangle, and the uprights 22 and the cross bars 21 form a cuboid frame without a bottom surface. The mounting frame 2 is designed to make the whole filter body mounting structure light and convenient and reduce the material; another aspect is to facilitate the fixed mounting of the heat sink 4 by means of a frame structure. The heat radiating fins 4 can be fixed only by being fixedly connected with the upright posts or the cross bars 21.

As shown in fig. 2, a shielding plate 6 is disposed on one side of the whole filter housing, i.e. a baffle is disposed on the cross bar 21 on the top surface to prevent the filter from radiating upwards and protect the electronic components on the upper end of the filter. The vertical rods 22 or the cross rods 21 on one surface of the mounting frame 2 are provided with shielding plates 6, and the other four surfaces of the mounting frame 2 are provided with cooling fins 4. The shielding plate 6 is provided on the surface to reduce heat emission or block heat emission toward the surface. Since the remaining electronic components of the filter-mounted circuit components cannot operate at too high a temperature, i.e. block heat dissipation in this direction. The fin 4 and the horizontal plane of installation frame 2 top surface are certain contained angle. The radiating direction of the heat on the top surface is changed to form a heat guiding function of the filter body, and meanwhile, the inclined angle can prevent part of objects or dust from falling into the mounting frame 2.

As shown in fig. 3, the mounting frame 2 is provided with shielding plates 6 on both top and right sides and heat radiating fins 4 on the other three sides. The vertical rods 22 or the cross rods 21 on two sides of the mounting frame 2 are provided with shielding plates 6, and the other three sides of the mounting frame 2 are provided with cooling fins 4.

And shielding plates 6 are arranged on the vertical rods 22 or the cross rods 21 on three surfaces of the mounting frame 2, and cooling fins 4 are arranged on the other two surfaces of the mounting frame 2.

The fin 4 and the vertical plane of the three sides of installation frame 2 are certain contained angle, and a side sets up shielding plate 6. Wherein, two side faces incline towards one direction, the inclining direction is the heat radiating direction, and the side face corresponding to the inclining direction is provided with a radiating fin 4 vertical to the side face. The heat radiation inhibiting surface is the surface on which the shielding plate 6 is provided.

The bottom plate 1 is provided with fixing holes for fixedly connecting the filter, and the bottom surface of the mounting frame 2 is provided with two, three and four fixing extending edges 3. The two fixing extending edges 3 are arranged in a mode of opposite surfaces.

1. the radiating fins 4 are arranged on the other 5 surfaces of the periphery of the filter body except the bottom surface fixed connecting surface, so that the radiating area is increased, and the effect is improved;

2. the structure of the bottom plate 1 and the installation frame 2 reduces the used materials when the filter shell is manufactured, realizes the heat dissipation function and simultaneously reduces the shell cost of a large amount of aluminum products.

3. Realize the fixed filter body of light structure installation through bottom plate 1 and installation frame 2 structure, be convenient for whole filter housing installation and the dismantlement that has the heat dissipation function simultaneously.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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. The filter housing with the heat dissipation function is characterized by comprising a bottom plate (1) and an installation frame (2), wherein a fixed extending edge (3) connected with the bottom plate (1) is arranged on the bottom surface of the installation frame (2), and a bolt hole fixedly connected with the installation frame (2) and the bottom plate (1) is formed in the fixed extending edge (3); the filter main body is arranged on the bottom plate (1) and is covered in the range covered by the mounting frame (2); and the four side surfaces and one top surface of the mounting frame (2) are provided with fixedly connected radiating fins (4).

2. A filter housing with heat dissipation function as recited in claim 1, wherein the mounting frame (2) comprises four side uprights (22) and four cross bars (21) having top surfaces connected end to form a rectangle, and the uprights (22) and the cross bars (21) form a rectangular frame without bottom surfaces.

3. A filter housing with heat dissipation function as recited in claim 1 or 2, characterized in that the vertical rods (22) or the cross rods (21) on one side of the mounting frame (2) are provided with shielding plates (6), and the mounting frame (2) is provided with heat dissipation fins (4) on the other four sides.

4. A filter housing with heat dissipation function as claimed in claim 1 or 2, characterized in that the mounting frame (2) is provided on its two sides with shielding plates (6) on the uprights (22) or cross-bars (21) and the mounting frame (2) is provided on its other three sides with heat sinks (4).

5. A filter housing with heat dissipation function as claimed in claim 1 or 2, characterized in that the mounting frame (2) is provided with shielding plates (6) on the uprights (22) or the cross-bar (21) on three sides, and the mounting frame (2) is provided with cooling fins (4) on the other two sides.

6. A filter housing with heat dissipation according to claim 1 or 2, characterized in that the heat sink (4) on the top surface of the mounting frame (2) is at an angle to the horizontal.

7. A filter housing with heat dissipation according to claim 6, characterized in that the heat sink (4) on three sides of the mounting frame (2) is at an angle to the vertical plane, and a shielding plate (6) is arranged on one side.

8. A filter housing with heat dissipation function as claimed in claim 7, characterized in that the bottom plate (1) is provided with fixing holes for fixedly connecting the filter, and the bottom surface of the mounting frame (2) is provided with two, three and four fixing extensions (3).