A filter with high heat dissipation

Abstract

The utility model relates to a kind of filter of high-efficiency heat dissipation, including filter body, heat dissipation hole is arranged on the filter body, dust screen is arranged in the heat dissipation hole, the first bevel gear is fixedly arranged in the central position of dust screen outer side, annular wall is rotationally arranged on dust screen outer side, the first bevel gear is located in annular wall, rotating ring that surrounds heat dissipation hole is rotationally arranged on the outer side of filter body, dust removal brush that sweeps dust screen surface is rotationally arranged on the inner ring wall of rotating ring, the one end of dust removal brush away from rotating ring inner ring wall is rotationally connected with annular wall, dust removal brush is inserted into annular wall and is connected with second bevel gear, the second bevel gear and first bevel gear are engaged, driving mechanism is arranged on the filter body, and rotating ring is rotated by driving mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter field, more specifically, relate to a kind of filter of high efficiency heat dissipation. BACKGROUND

[0002] Filter is a kind of frequency device, can make the specific frequency component in signal pass, while greatly attenuate other frequency components, using the frequency selection effect of filter, can filter out interference noise or carry out spectrum analysis.

[0003] Filter will generate higher temperature when using, easy to influence the use of filter and burn internal circuit, the filter in prior art will generally be provided with heat dissipation hole, utilize heat dissipation hole to make the heat of filter discharge from heat dissipation hole, and make external cold air into filter, to increase the air flow rate in filter, improve the heat dissipation of filter inside, and dust screen is generally configured in heat dissipation hole, prevent dust from polluting the inside of filter by dust screen.

[0004] But dust screen will be blocked after a certain time of use, due to the surface intercepts a large amount of dust impurities, the ventilation rate in filter is reduced, so that the heat dissipation effect in filter is reduced, so it needs to be regularly replaced by artificial or manually cleaned dust screen, time-consuming and laborious, very inconvenient. UTILITY MODEL CONTENTS

[0005] In view of the above defects of prior art, provide a kind of filter of high efficiency heat dissipation.

[0006] The utility model solves the technical scheme that it adopts to its technical problems: a kind of filter of high efficiency heat dissipation, including filter body, the filter body is provided with heat dissipation hole, the dust screen is arranged in the heat dissipation hole, the center position of the outer side of dust screen is fixed with first bevel gear, the annular wall of rotation is set on the outer side of dust screen, the first bevel gear is located in annular wall, the rotating ring that surrounds heat dissipation hole is rotationally arranged on the outer side of filter body, the dust removal brush that sweeps the surface of dust screen is rotationally arranged on the inner ring wall of rotating ring, the one end of dust removal brush is rotationally connected with annular wall, away from the inner ring wall of rotating ring, dust removal brush is inserted into annular wall and is connected with second bevel gear, the second bevel gear and first bevel gear are engaged, the driving mechanism that is provided on filter body is driven rotating ring rotation.

[0007] As preferred, the driving mechanism includes gear and motor, the gear is provided on the outer ring wall of rotating ring, the gear is arranged on the outer side of filter body, the gear is meshed with the gear on the outer side of rotating ring, the motor is arranged in filter body, the motor drives gear rotation.

[0008] Preferably, the heat dissipation hole is circular, a first circular groove is arranged on the outer wall of the filter body and surrounds the heat dissipation hole, the first circular groove is concentric with the heat dissipation hole, the cross section of the first circular groove is inverted T-shaped, a plurality of first sliding blocks are matched and slidably arranged in the first circular groove, and one end of the first sliding block, which is away from the bottom of the first circular groove, is connected with the rotating ring.

[0009] Preferably, the dustproof net comprises a cross-shaped support and four dust filtering nets, the support is arranged in the heat dissipation hole, the support and the inner wall of the heat dissipation hole form four mounting cavities, the four dust filtering nets are arranged in the four mounting cavities, the first bevel gear is arranged at the center of the support, and the annular wall is rotatably arranged on the support.

[0010] Preferably, a second circular groove is arranged on the outer side of the support and surrounds the first bevel gear, the second circular groove is concentric with the heat dissipation hole, the cross section of the second circular groove is inverted T-shaped, a plurality of second sliding blocks are matched and slidably arranged in the second circular groove, and one end of the second sliding block, which is away from the bottom of the second circular groove, is connected with the annular wall.

[0011] Preferably, the dust removing brush comprises a rotating shaft and a sponge brush, the rotating shaft is rotatably connected with the annular wall and the inner annular wall of the rotating ring at two ends, the rotating shaft penetrates into the annular wall, the second bevel gear is arranged at one end of the rotating shaft penetrating into the annular wall, the sponge brush is hollow and cylindrical, the sponge brush is fixedly sleeved on the rotating shaft, and the sponge brush is located between the annular wall and the inner annular wall of the rotating ring.

[0012] Preferably, the heat dissipation hole is provided with two heat dissipation holes, the two heat dissipation holes are arranged on opposite two side walls of the filter body, and a heat dissipation fan is arranged in each heat dissipation hole.

[0013] Preferably, a plurality of heat dissipation fins are arranged on the top surface of the filter body.

[0014] The driving mechanism drives the rotating ring to rotate, the dust removing brush rotates with the rotating ring, rotates around the first bevel gear, and then rotates by the second bevel gear, so that the dust removing brush simultaneously rotates at the same time, the dust removing brush can automatically clean the dust on the outer side of the dustproof net, the adhesion amount of dust and impurities on the surface of the dustproof net is reduced, the ventilation amount of the heat dissipation hole to the inner side of the filter body is maintained, and the heat dissipation effect of the filter body is maintained. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a whole structure schematic view of the embodiment of the utility model;

[0016] Figure 2This is a cross-sectional structural schematic diagram of an embodiment of the present utility model;

[0017] Figure 3 This is an embodiment of the present utility model. Figure 1 Enlarged view of region A in the middle;

[0018] Figure 4 This is a schematic diagram of the rotating ring and annular wall in an embodiment of this utility model.

[0019] Reference numerals in the attached drawings: 1 Filter body, 2 Dustproof mesh, 20 Bracket, 21 Filter mesh, 22 First bevel gear, 23 Annular wall, 3 Rotating ring, 30 Gear tooth, 4 Dust removal brush, 40 Rotating shaft, 41 Sponge brush, 42 Second bevel gear, 5 Drive mechanism, 50 Gear, 51 Motor, 6 First annular groove, 60 First slider, 7 Second annular groove, 70 Second slider, 8 Cooling fan, 9 Heat sink. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. In addition, the directional terms mentioned in this utility model, such as "up," "down," "front," "back," "left," "right," "inner," and "outer," are only for reference to the directions in the accompanying drawings. The directional terms are used to better and more clearly explain and understand this utility model, and are not intended to indicate or imply the necessary orientation of this utility model. Therefore, they should not be construed as limitations on this utility model.

[0021] Examples of embodiments of this utility model Figures 1 to 4As shown in the figure, a filter with high heat dissipation efficiency comprises a filter body 1, which is a cuboid structure, and a heat dissipation hole is arranged on the filter body 1, the heat dissipation hole is a circular structure, a dust screen 2 is arranged in the heat dissipation hole, a first bevel gear 22 is fixedly arranged at the center of the outer side surface of the dust screen 2, an annular wall 23 is rotationally arranged on the outer side surface of the dust screen 2, the first bevel gear 22 is located in the annular wall 23, and the annular wall 23 is concentric with the center of the dust screen 2, a rotating ring 3 that surrounds the heat dissipation hole is rotationally arranged on the outer side surface of the filter body 1, the rotating ring 3 is concentric with the annular wall 23, a dust removal brush 4 that sweeps the surface of the dust screen 2 is rotationally arranged on the inner ring wall of the rotating ring 3, one end of the dust removal brush 4 away from the inner ring wall of the rotating ring 3 is rotationally connected with the annular wall 23, the dust removal brush 4 penetrates into the annular wall 23 and is connected with a second bevel gear 42, the second bevel gear 42 is engaged with the first bevel gear 22, and a driving mechanism 5 that drives the rotating ring 3 to rotate is arranged on the filter body 1.

[0022] The driving mechanism 5 drives the rotating ring 3 to rotate, and the dust removal brush 4 rotates with the rotating ring 3, thereby rotating around the first bevel gear 22, and then the second bevel gear 42 is engaged with the first bevel gear 22, the second bevel gear 42 rotates relative to the first bevel gear 22, so that the dust removal brush 4 simultaneously performs autorotation, at this time, the dust removal brush 4 can automatically sweep the dust on the outer side surface of the dust screen 2, reduce the adhesion amount of dust and impurities on the surface of the dust screen 2, maintain the ventilation amount of the heat dissipation hole to the inner side of the filter body 1, and thereby maintain the heat dissipation effect of the filter body 1.

[0023] Further improvements are shown in Figure 1 , Figure 2 and Figure 3 , the driving mechanism 5 comprises a gear 50 and a motor 51, a gear tooth 30 is arranged on the outer ring wall of the rotating ring 3, the gear tooth 30 is arranged on the outer side surface of the filter body 1, the gear 50 is engaged with the gear tooth 30 on the rotating ring 3, the motor 51 is arranged in the filter body 1, the motor 51 drives the gear 50 to rotate, the motor 51 is arranged on the inner side wall of the filter body 1, the output shaft of the motor 51 penetrates through the side wall of the filter body 1 and is connected with the gear 50, the motor 51 drives the gear 50 to rotate, and the gear 50 drives the rotating ring 3 to rotate through the gear tooth 30 on the rotating ring 3.

[0024] Further improvements are shown in Figure 2 and Figure 3As shown in the figure, the heat dissipation hole is a circular structure, a first circular groove 6 surrounding the heat dissipation hole is arranged on the outer side wall of the filter body 1, the first circular groove 6 is concentric with the heat dissipation hole, the cross section of the first circular groove 6 is a reverse T-shaped structure, a plurality of first sliding blocks 60 are matched and slid in the first circular groove 6, one end of the first sliding block 60 away from the groove bottom of the first circular groove 6 is connected with the rotating ring 3, the first sliding block 60 includes a first connecting rod and a first limiting rod, the first connecting rod is connected with the rotating ring, the first limiting rod is arranged at one end of the first connecting rod away from the rotating ring, the first connecting rod and the first limiting rod constitute the first sliding block 60 which also has a reverse T-shaped structure, preferably, three first sliding blocks 60 are arranged, the three first sliding blocks 60 are arranged at equal intervals along the circumference of the rotating ring 3, and the rotating ring 3 is rotatably arranged on the outer side wall of the filter body 1 through the first circular groove 6 and the first sliding block 60.

[0025] Further improvement, as shown in Figure 1 and Figure 2 , the dustproof net 2 includes a cross-shaped support 20 and four filter dust filter screens 21, the support 20 is installed in the heat dissipation hole, the support 20 and the inner wall of the heat dissipation hole form four installation cavities, and the four filter screens 21 are correspondingly installed in the four installation cavities, the first bevel gear 22 is arranged at the center position of the support 20, and the annular wall 23 is rotatably arranged on the support 20.

[0026] Further improvement, as shown in Figure 2 and Figure 3 , a second circular groove 7 surrounding the first bevel gear 22 is arranged on the outer side of the support 20, the second circular groove 7 is concentric with the heat dissipation hole, the cross section of the second circular groove 7 is a reverse T-shaped structure, a plurality of second sliding blocks 70 are matched and slid in the second circular groove 7, one end of the second sliding block 70 away from the groove bottom of the second circular groove 7 is connected with the annular wall 23, the second sliding block 70 includes a second connecting rod and a second limiting rod, the second connecting rod is connected with the annular wall 23, the second limiting rod is arranged at one end of the second connecting rod away from the annular wall 23, the second connecting rod and the second limiting rod constitute the second sliding block 70 which also has a reverse T-shaped structure, preferably, three second sliding blocks 70 are arranged, the three second sliding blocks 70 are arranged at equal intervals along the circumference of the annular wall 23, and the annular wall 23 is rotatably arranged on the support 20 through the second circular groove 7 and the second sliding block 70.

[0027] Further improvement, as shown in Figure 2 and Figure 3As shown in the figure, the dust-removing brush 4 comprises a rotating shaft 40 and a sponge brush 41, the rotating shaft 40 is rotatably connected with the annular wall 23 and the inner annular wall of the rotating ring 3, the rotating shaft 40 penetrates into the annular wall 23, the second bevel gear 42 is arranged at one end of the rotating shaft 40 penetrating into the annular wall 23, the sponge brush 41 is a hollow cylindrical structure, the sponge brush 41 is fixedly sleeved on the rotating shaft 40, and the sponge brush 41 is located between the annular wall 23 and the inner annular wall of the rotating ring 3.

[0028] Further improvement, as shown in the figure, Figure 1 and Figure 2 Further improvement, as shown in the figure, the heat dissipation holes are provided with two, two of the heat dissipation holes are arranged on the opposite two side walls of the filter body 1, two of the heat dissipation holes are arranged on the left and right side walls of the filter body 1, a heat dissipation fan 8 is arranged in each of the heat dissipation holes, the heat dissipation fan 8 is located at a position corresponding to the inner side of the dustproof net 2 in the filter body 1, preferably, the heat dissipation fan 8 on one side blows cold air from the outside into the filter body 1, and the heat dissipation fan 8 on the other side exhausts hot air out of the filter body 1, so as to complete the circulation of cold and hot air in the filter body 1 and improve the heat dissipation capacity of the filter.

[0029] Further improvement, as shown in the figure, Figure 1 and Figure 2 Further improvement, as shown in the figure, the filter body 1 is provided with a plurality of heat dissipation fins 9 on the top surface, the plurality of heat dissipation fins 9 are arranged on the top surface of the filter body 1 at equal intervals, the heat dissipation fins 9 increase the heat dissipation area of the filter body 1, so as to improve the heat dissipation capacity of the filter.

[0030] It should be understood that, for those skilled in the art, improvements or changes can be made according to the above description, and all these improvements and changes shall belong to the protection scope of the appended claims of the utility model.

Claims

1. A high-efficiency heat dissipation filter, comprising a filter body; characterized in that, The filter body is provided with heat dissipation holes; a dustproof mesh is provided inside the heat dissipation holes; a first bevel gear is fixedly provided at the center of the outer side of the dustproof mesh; an annular wall is rotatably provided on the outer side of the dustproof mesh; the first bevel gear is located inside the annular wall; a rotating ring is rotatably provided on the outer side of the filter body to surround the heat dissipation holes; a dust removal brush for cleaning the surface of the dustproof mesh is rotatably provided on the inner ring wall of the rotating ring; one end of the dust removal brush away from the inner ring wall of the rotating ring is rotatably connected to the annular wall; the dust removal brush passes through the annular wall and is connected to a second bevel gear; the second bevel gear and the first bevel gear mesh; a drive mechanism for driving the rotating ring to rotate is provided on the filter body.

2. The high-efficiency heat dissipation filter according to claim 1, characterized in that, The driving mechanism includes a gear and a motor; the outer ring wall of the rotating ring is provided with gear teeth; the gear is disposed on the outer surface of the filter body; the gear meshes with the gear teeth on the rotating ring; the motor is disposed inside the filter body; the motor drives the gear to rotate.

3. The high-efficiency heat dissipation filter according to claim 1, characterized in that, The heat dissipation hole is circular; a first annular groove surrounding the heat dissipation hole is provided on the outer wall of the filter body; the first annular groove is concentric with the heat dissipation hole; the cross-section of the first annular groove is an inverted T-shaped structure; a plurality of first sliders are slidably matched in the first annular groove; the end of the first slider away from the bottom of the first annular groove is connected to the rotating ring.

4. The high-efficiency heat dissipation filter according to claim 1, characterized in that, The dustproof net includes a cross-shaped support and four dust filters; the support is installed inside the heat dissipation holes; the support and the inner wall of the heat dissipation holes form four mounting cavities; the four filters are installed in the four mounting cavities respectively; the first bevel gear is located at the center of the support; the annular wall is rotatably mounted on the support.

5. The high-efficiency heat dissipation filter according to claim 4, characterized in that, The outer surface of the bracket is provided with a second annular groove surrounding the first bevel gear; the second annular groove is concentric with the heat dissipation hole; the cross-section of the second annular groove is an inverted T-shaped structure; a plurality of second sliders are slidably matched in the second annular groove; the end of the second slider away from the bottom of the second annular groove is connected to the annular wall.

6. The high-efficiency heat dissipation filter according to claim 1, characterized in that, The dust removal brush includes a rotating shaft and a sponge brush; the two ends of the rotating shaft are rotatably connected to the annular wall and the inner annular wall of the rotating ring respectively; the rotating shaft passes through the annular wall; the second bevel gear is disposed at one end of the rotating shaft that passes through the annular wall; the sponge brush is a hollow cylindrical structure; the sponge brush is fixedly sleeved on the rotating shaft; the sponge brush is located between the annular wall and the inner annular wall of the rotating ring.

7. The high-efficiency heat dissipation filter according to claim 1, characterized in that, Two heat dissipation holes are provided; the two heat dissipation holes are respectively arranged on opposite side walls of the filter body; each heat dissipation hole is provided with a cooling fan; the cooling fan is located inside the filter body corresponding to the inside of the dustproof mesh.

8. The high-efficiency heat dissipation filter according to claim 1, characterized in that, The filter body has multiple heat sinks on its top surface.

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