Filter capable of efficiently inhibiting harmonic waves

Abstract

The utility model discloses a filter capable of efficiently suppressing harmonic waves, which relates to the technical field of filters and comprises a box body, a first heat dissipation assembly is arranged at the upper end of the box body and comprises a first heat conduction plate, a plurality of first heat dissipation plates are arranged at the upper end of the first heat conduction plate, and a filter body is arranged at the lower end of the first heat conduction plate. A second heat dissipation assembly is arranged on the side wall of the filter body and comprises a second heat conduction plate, a second heat dissipation plate is arranged at the end, away from the filter body, of the second heat conduction plate, air windows are arranged on the four side walls of the box body, and second installation grooves are formed in the air windows. The first heat conduction plate, the first heat dissipation plate, the second heat conduction plate and the second heat dissipation plate are used for conducting first-time heat dissipation on the filter body, the air window is used for increasing the air fluidity of the box body, natural air is used for conducting second-time heat dissipation on the filter body, dependence on electric power is reduced, the use cost is reduced, the structure is simple, and later maintenance is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a filter capable of efficiently suppressing harmonics. Background Art

[0002] A filter is a filtering circuit composed of capacitors, inductors and resistors, and is mainly divided into active filters and passive filters. It can allow specific frequency components in a signal to pass through while greatly attenuating other frequency components. The problem with existing technologies is that the filter will continue to generate heat when working, which will cause damage to the internal circuits. The heat will be transferred to the metal casing. If the heat cannot be dissipated in time, the metal casing will also be deformed and damaged. When dissipating the heat of the filter, the existing technology generally dissipates the heat through the structure of the filter casing, and cannot effectively discharge the heat generated by the filter, causing the filter temperature to be too high, which will affect the use of the filter and reduce the filtering efficiency of the filter.

[0003] Chinese patent document CN214799438U discloses a high-efficiency filter, including a box, a filter body, a support plate for supporting the filter and a heat dissipation device for cooling the filter, wherein the heat dissipation device includes a fan arranged at the lower end of the box, an air inlet arranged at the upper end of the fan, a shunt block arranged on the upper side of the air inlet, a plurality of heat conduction blocks arranged on both sides of the shunt block, an air guide block arranged on both sides of the lower end of the support plate, an air outlet arranged at the upper end of the box and air guide channels respectively arranged on both sides of the support plate, wherein the air guide channels include The support plate is connected to an air collecting part, an air inlet part arranged at the upper end of the air collecting part, and a dispersing part arranged at the upper end of the air inlet part. The support plate is fixedly connected to the box body. The diverter block is arranged in the middle of the support plate and inclined on both sides. The heat conduction block is hollow inside. The cross section of the air collecting part is a quarter circle. One side of the air collecting part is tangent to the lower end of the box body. The air collecting part is inclined toward the air inlet part. The dispersing part is inclined outward. The width of the air inlet part is smaller than the width of the air collecting part. The width of most air inlet parts is smaller than the width of the dispersing part. The above-mentioned high-efficiency filter has shortcomings. Although the device can achieve heat dissipation of the filter, it has limitations. Its heat dissipation completely relies on the fan, and uses a closed box body for diversion, so that the wind blown by the fan dissipates the heat on the surface of the filter body. This setting will use a lot of electricity, greatly increasing the cost of use. In addition, due to the closed box body, the cooling effect is limited.

[0004] Therefore, in order to solve such problems, we propose a filter that can effectively suppress harmonics. Utility Model Content

[0005] The utility model aims to provide a filter for efficiently suppressing harmonics, aiming to solve the problem in the above-mentioned background technology that an existing efficient filter has high use cost and limited cooling capacity when in use.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a filter with high efficiency in suppressing harmonics, comprising a box body, a first heat dissipation component is arranged at the upper end of the box body, the first heat dissipation component comprises a first heat conducting plate, a plurality of first heat dissipation plates are arranged at the upper end of the first heat conducting plate, a filter body is arranged at the lower end of the first heat conducting plate, a second heat dissipation component is arranged at the side wall of the filter body, the second heat dissipation component comprises a second heat conducting plate, a second heat dissipation plate is arranged at one end of the second heat conducting plate away from the filter body, wind windows are arranged on the four side walls of the box body, a second mounting groove is opened inside the wind window, a driving groove is opened on the side wall of the wind window away from the filter body, the driving groove and the second mounting groove are communicated, a locking component is arranged inside the wind window, the locking component comprises a spring, the spring is located in the second mounting groove, a card block is arranged at one end of the spring, a driving block is arranged on the side wall of the card block, and the driving block is located in the driving groove.

[0007] Preferably, a fan is provided at the lower end of the box body, a bellows is provided at the lower end of the box body, the bellows is located at the lower end of the fan, a first mounting groove is opened at the lower end of the bellows, a filter is provided inside the bellows, and the filter is located in the first mounting groove.

[0008] Preferably, three groups of second heat dissipation components are provided on each side wall of the filter body.

[0009] Preferably, a total of four groups of locking components are provided inside each windshield.

[0010] Preferably, the bellows and the filter are connected via a locking assembly.

[0011] Preferably, the second mounting groove is T-shaped.

[0012] The utility model has the following beneficial effects:

[0013] In the utility model, a first heat dissipation component and a second heat dissipation component are provided, and a first heat conduction plate, a first heat dissipation plate, a second heat conduction plate and a second heat dissipation plate are used to perform the first heat dissipation on the filter body. Secondly, a wind window is provided, and the wind window is used to increase the air flowability of the box body, and natural air is used to perform the secondary heat dissipation on the filter body. At the same time, the heat dissipation capacity of the first heat dissipation plate and the second heat dissipation plate can also be increased. Secondly, when the filter body is used for a long time and the first heat dissipation component and the second heat dissipation component cannot completely dissipate the heat, the wind blown by the fan is used to further cool the filter body. At the same time, the wind blown by the fan can also accelerate the heat dissipation of the second heat dissipation plate. This arrangement reduces the dependence on electricity, reduces the cost of use, has a simple structure, and is convenient for later maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional schematic diagram of a filter for efficiently suppressing harmonics proposed by the utility model Figure 1 ;

[0015] Figure 2 A three-dimensional schematic diagram of a filter for efficiently suppressing harmonics proposed by the utility model Figure 2 ;

[0016] Figure 3 A three-dimensional schematic diagram of a filter for efficiently suppressing harmonics proposed by the utility model Figure 3 ;

[0017] Figure 4 This is a three-dimensional exploded schematic diagram of a wind window in a filter for efficiently suppressing harmonics proposed by the utility model;

[0018] Figure 5 The utility model is a three-dimensional exploded schematic diagram of a locking component in a filter for efficiently suppressing harmonics.

[0019] Legend:

[0020] 1. Box body; 11. Fan; 12. Bellows; 121. First mounting slot; 13. Filter; 2. Filter body; 3. First heat dissipation assembly; 301. First heat conduction plate; 302. First heat dissipation plate; 31. Second heat dissipation assembly; 311. Second heat conduction plate; 312. Second heat dissipation plate; 32. Wind window; 321. Second mounting slot; 322. Drive slot; 33. Locking assembly; 331. Spring; 332. Block; 333. Drive block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Reference Figure 1-5 The utility model provides an embodiment: a filter for efficiently suppressing harmonics, including a box body 1, a first heat dissipation component 3 is arranged at the upper end of the box body 1, the first heat dissipation component 3 includes a first heat conducting plate 301, a plurality of first heat dissipation plates 302 are arranged at the upper end of the first heat conducting plate 301, a filter body 2 is arranged at the lower end of the first heat conducting plate 301, a second heat dissipation component 31 is arranged on the side wall of the filter body 2, the second heat dissipation component 31 includes a second heat conducting plate 311, and a second heat dissipation plate is arranged at one end of the second heat conducting plate 311 away from the filter body 2 312, the four side walls of the box body 1 are all provided with wind windows 32, a second mounting groove 321 is opened inside the wind window 32, a driving groove 322 is opened on the side wall of the wind window 32 away from the filter body 2, the driving groove 322 is communicated with the second mounting groove 321, a locking assembly 33 is arranged inside the wind window 32, the locking assembly 33 includes a spring 331, the spring 331 is located in the second mounting groove 321, a clamping block 332 is arranged at one end of the spring 331, a driving block 333 is arranged on the side wall of the clamping block 332, and the driving block 333 is located in the driving groove 322.

[0024] After the filter body 2 is working, the first heat conducting plate 301 and the first heat sink 302 of the first heat dissipation component 3 first dissipate heat at the top, and then the second heat conducting plate 311 and the second heat sink 312 of the second heat dissipation component 31 dissipate heat at the side wall. Then, the wind windows 32 arranged around the box body 1 further increase the heat dissipation capacity by increasing the air flow. This arrangement reduces the dependence on the fan 11, and dissipates heat by utilizing the first heat sink 302, the second heat sink 312 and the natural air flow, thereby avoiding the reduction of the filter's ability to suppress harmonics due to excessive temperature, reducing the use of electricity and saving energy.

[0025] A fan 11 is provided at the lower end of the box body 1, and a bellows 12 is provided at the lower end of the box body 1. The bellows 12 is located at the lower end of the fan 11. A first mounting groove 121 is opened at the lower end of the bellows 12. A filter 13 is provided inside the bellows 12. The filter 13 is located in the first mounting groove 121. When the first heat dissipation component 3 and the second heat dissipation component 31 cannot completely dissipate heat after the filter body 2 has been used for a long time, the fan 11 is started, and the wind blown by the fan 11 is used to further cool the filter body 2. At the same time, the wind blown by the fan 11 can also accelerate the heat dissipation of the second heat dissipation plate 312.

[0026] A total of three groups of second heat dissipation components 31 are provided on each side wall of the filter body 2 , so as to increase the heat dissipation capacity of the second heat dissipation components 31 .

[0027] There are four sets of locking components 33 inside each wind window 32 to increase the stability of the fixing of the wind window 32 .

[0028] The bellows 12 and the filter 13 are connected via a locking assembly 33, which is used to facilitate the disassembly of the filter 13 and facilitate subsequent cleaning.

[0029] The second installation groove 321 is T-shaped and is used to limit the clamping block 332 to prevent the clamping block 332 from directly separating from the second installation groove 321 .

[0030] Working principle: first, when the filter body 2 is working, the first heat conducting plate 301 and the first heat dissipation plate 302 of the first heat dissipation component 3 dissipate heat at the top, and then the second heat conducting plate 311 and the second heat dissipation plate 312 of the second heat dissipation component 31 dissipate heat at the side wall, and then the wind windows 32 arranged around the box body 1 are used to further increase the heat dissipation capacity by increasing the air flow, and then when the first heat dissipation component 3 and the second heat dissipation component 31 cannot completely dissipate the heat of the filter body 2, the fan 11 is started, and the wind blown by the fan 11 is used to further cool the filter body 2. At the same time, the wind blown by the fan 11 can also accelerate the heat dissipation of the second heat dissipation plate 312. This arrangement reduces the dependence on electricity, reduces the cost of use, and has a simple structure.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A filter for efficiently suppressing harmonics, comprising a housing (1), characterized in that: The upper end of the box body (1) is provided with a first heat dissipation component (3), the first heat dissipation component (3) comprises a first heat conducting plate (301), a plurality of first heat dissipation plates (302) are provided at the upper end of the first heat conducting plate (301), a filter body (2) is provided at the lower end of the first heat conducting plate (301), a second heat dissipation component (31) is provided on the side wall of the filter body (2), the second heat dissipation component (31) comprises a second heat conducting plate (311), a second heat dissipation plate (312) is provided at one end of the second heat conducting plate (311) away from the filter body (2), and wind windows (32 ), a second mounting groove (321) is provided inside the wind window (32), a driving groove (322) is provided on a side wall of the wind window (32) away from the filter body (2), the driving groove (322) and the second mounting groove (321) are in communication, a locking assembly (33) is provided inside the wind window (32), the locking assembly (33) comprises a spring (331), the spring (331) is located in the second mounting groove (321), a clamping block (332) is provided at one end of the spring (331), a driving block (333) is provided on a side wall of the clamping block (332), and the driving block (333) is located in the driving groove (322).

2. The filter for efficiently suppressing harmonics according to claim 1, characterized in that: A fan (11) is arranged at the lower end of the housing (1), a bellows (12) is arranged at the lower end of the housing (1), the bellows (12) is located at the lower end of the fan (11), a first mounting groove (121) is opened at the lower end of the bellows (12), a filter screen (13) is arranged inside the bellows (12), and the filter screen (13) is located in the first mounting groove (121).

3. The filter for efficiently suppressing harmonics according to claim 1, characterized in that: A total of three groups of second heat dissipation components (31) are provided on each side wall of the filter body (2).

4. The filter for efficiently suppressing harmonics according to claim 1, characterized in that: A total of four groups of locking components (33) are provided inside each wind window (32).

5. The filter for efficiently suppressing harmonics according to claim 2, characterized in that: The bellows (12) and the filter screen (13) are connected via a locking assembly (33).

6. The filter for efficiently suppressing harmonics according to claim 1, characterized in that: The second mounting groove (321) is T-shaped.

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