CN214154463U

CN214154463U - Alternating current EMI filter with multiple heat dissipation functions

Info

Publication number: CN214154463U
Application number: CN202022766655.3U
Authority: CN
Inventors: 黄世华; 罗绍益
Original assignee: Heyuan Feierste Electronic Technology Co ltd
Current assignee: Heyuan Feierste Electronic Technology Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-09-07
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses an exchange EMI wave filter with multiple heat dissipation function, including protection architecture and closing cap, protection architecture includes the protective housing, and the top surface opening of protective housing sets up, and the vertical orifice plate of installing that runs through on the side end face around the protective housing, and the internally mounted of protective housing has the filter body, and the outside equal vertical welding of side end face has the wind-guiding frame around the protective housing, runs through on the bottom surface of protective housing and has seted up the exhaust hole, and the horizontal welding has the otter board in the exhaust hole of protective housing, and horizontal installation has the closing cap on the top surface of protective housing. The utility model discloses give off fast of heat in the quickening wave filter, and then promote the security of using.

Description

Alternating current EMI filter with multiple heat dissipation functions

Technical Field

The utility model relates to a wave filter technical field especially relates to an exchange EMI wave filter with multiple heat dissipation function.

Background

An EMI filter (Electromagnetic Interference) is a filter circuit composed of a capacitor, an inductor, and a resistor, and an existing filter can effectively filter a frequency point of a specific frequency in a power line or frequencies other than the frequency point to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency.

The existing power filter can generate a large amount of heat when in use, but the heat is accumulated on the power filter, so that the safety of later-stage use is poor easily.

Therefore, an ac EMI filter with multiple heat dissipation functions is needed to accelerate the rapid dissipation of heat in the filter, thereby improving the safety of use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exchange EMI wave filter with multiple heat dissipation function aims at improving current power filter and can produce a large amount of heats when using, but the heat is piled up on power filter, and then leads to the not good problem of security of later stage use easily.

The utility model discloses a realize like this:

the utility model provides an exchange EMI wave filter with multiple heat dissipation function, including protection architecture and closing cap, protection architecture includes the protective housing, the top surface opening setting of protective housing, and the vertical orifice plate of installing that runs through on the side end face around the protective housing, the internally mounted of protective housing has the filter body, and the outside equal vertical welding of side end face has the wind-guiding frame around the protective housing, run through on the bottom surface of protective housing and seted up the exhaust hole, and the horizontal welding has the otter board in the exhaust hole of protective housing, horizontal installation has the closing cap on the top surface of protective housing.

Furthermore, the inside of the air guide frame is vertically welded with a heat guide strip in a downward penetrating manner, and the end face of the outer side of the air guide frame is connected with an air inlet fan in a penetrating manner.

Furthermore, the outer end of the air inlet fan of the air guide frame is filled with dust-filtering cotton.

Further, the top surface of closing cap is gone up the vertical through welding and is had the heat-conducting plate, and the heat-conducting plate evenly sets up a plurality ofly along the horizontal direction.

Furthermore, the lower parts of the end surfaces of the two sides of the sealing cover are horizontally welded with screw hole plates, and the vertical threads of the screw hole plates are provided with locking bolts in a penetrating mode.

Furthermore, the upper parts of the end surfaces on the two sides of the protective shell are horizontally welded with screw hole plates, and the screw hole plates on the protective shell and the sealing cover are in through connection through vertical threads of the locking bolts.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses using this exchange EMI wave filter with multiple heat dissipation function, set up a confined space around the wave filter body, there is the closing cap at the top through locking bolt installation sealing connection, it receives the external factor influence to reduce the wave filter body, and the service life is prolonged, utilize the wind-guiding frame that sets up on the protective housing side end face, it drives outside air through the cotton entering protective housing of dirt filtering cotton to utilize the inlet fan on the wind-guiding frame, inside air and the inside wave filter body contact of protective housing, the exhaust hole discharge that carries the heat and set up on the bottom surface, and vertical welding has heat conduction strip and heat-conducting plate respectively on closing cap and wind-guiding frame, increase and external contact area, the radiating efficiency is improved, thereby accelerate thermal quick giving off in the wave filter, and then promote the security of using.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

FIG. 2 is a schematic view of the exploded structure of the present invention;

fig. 3 is an exploded view of the protection structure in the embodiment of the present invention;

fig. 4 is a schematic structural view of an enclosure in an embodiment of the invention.

In the figure: 1. a protective structure; 11. a protective shell; 12. an orifice plate; 13. a wind guide frame; 14. a heat conducting strip; 15. an air intake fan; 151. dust filtration cotton; 16. a screen plate; 17. a screw hole plate; 18. locking the bolt; 2. sealing the cover; 21. a heat conducting plate; 3. a filter body.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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, 2, 3 and 4, an ac EMI filter with multiple heat dissipation functions includes a protection structure 1 and a sealing cover 2, where the protection structure 1 includes a protection shell 11, an upper opening is formed on a top surface of the protection shell 11, and a hole plate 12 is vertically installed on a front side end surface and a rear side end surface of the protection shell 11 in a penetrating manner, a filter body 3 is installed inside the protection shell 11, and wind guide frames 13 are vertically welded outside the front side end surface and the rear side end surface of the protection shell 11, an exhaust hole is formed in a penetrating manner on a bottom surface of the protection shell 11, a mesh plate 16 is horizontally welded in the exhaust hole of the protection shell 11, and the sealing cover 2 is horizontally installed on the top surface of the protection shell 11.

When the filter body 3 is protected by using the alternating current EMI filter with multiple heat dissipation functions, in order to overcome the problem that the existing power filter can generate a large amount of heat during use, but the heat is accumulated on the power filter, and further the safety of later use is easy to be poor, the filter body 3 is installed in the protective housing 11 to protect the filter body 3, a closed space is arranged around the filter body 3, the top of the closed space is hermetically connected with the sealing cover 2 through a locking bolt, the influence of external factors on the filter body 3 is reduced, the service life is prolonged, the air guide frame 13 arranged on the side end surface of the protective housing 11 is utilized, the air inlet fan 15 on the air guide frame 13 is utilized to drive external air to enter the protective housing 11 through the dust filtering cotton 151, and the air is contacted with the filter body 3 in the protective housing 11, the exhaust hole that carries the heat and set up on the bottom surface discharges to vertical welding respectively has heat conduction strip 14 and heat-conducting plate 21 on closing cap 2 and wind-guiding frame 13, and increase and outside area of contact improve the radiating efficiency, thereby accelerate thermal quick giving off in the wave filter, and then promote the security of using.

Referring to fig. 3, a heat conducting bar 14 is welded vertically downward inside the air guiding frame 13, and an air intake fan 15 is connected to an outer end surface of the air guiding frame 13.

And then the vertical downward through-welding in inside through wind-guiding frame 13 has heat conduction strip 14 to increase the area of contact of wind-guiding frame 13 and outside air, accelerate thermal scattering and disappearing, and can cool off the air, improve the cooling effect to filter body 3, and through connection has air intake fan 15 on the outside terminal surface of wind-guiding frame 13, thereby accelerate outside air to get into fast, improve radiating efficiency.

Referring to fig. 3, the outer end of the air intake fan 15 of the air guiding frame 13 is filled with dust-filtering cotton 151.

And the outer end of the air inlet fan 15 of the air guide frame 13 is filled with dust-filtering cotton 151, so that the entering air is filtered and dusted, and the cleanness of the air in use and temperature reduction is improved.

Referring to fig. 4, a plurality of heat conducting plates 21 are vertically welded on the top surface of the cover 2 in a penetrating manner, and the heat conducting plates 21 are uniformly arranged along the horizontal direction.

And then on the top surface through closing cap 2 vertical through welding have heat-conducting plate 21, and heat-conducting plate 21 evenly sets up a plurality ofly along the horizontal direction, increase closing cap 2 and outside area of contact, improve the radiating efficiency.

Referring to fig. 4, screw hole plates 17 are horizontally welded to the lower portions of the two side end surfaces of the sealing cover 2, and locking bolts 18 are installed through vertical threads of the screw hole plates 17.

And then the lower part through the terminal surface of closing cap 2 both sides all horizontal welding has screw hole board 17, and the vertical screw thread of screw hole board 17 runs through and installs locking bolt 18 to conveniently connect equipment closing cap 2 and protective housing 11.

Referring to fig. 2, the screw hole plates 17 are horizontally welded to the upper portions of the two side end surfaces of the protective shell 11, and the screw hole plates 17 on the protective shell 11 and the seal cover 2 are vertically and threadedly connected through the locking bolts 18.

And then the equal horizontal welding in upper portion through 11 both sides terminal surfaces of protective housing has the orifice plate 17, and the orifice plate 17 on 11 protective housing and the closing cap 2 passes through the vertical screw thread through connection of locking bolt 18, and the later stage of being convenient for is assembled and is disassembled, improves the flexibility that uses, convenient the maintenance.

The working principle is as follows: when the alternating current EMI filter with multiple heat dissipation functions is used for protecting the filter body 3, the filter body 3 is arranged in the protective shell 11, the filter body 3 is protected, a closed space is arranged around the filter body 3, the top of the filter body is hermetically connected with a sealing cover 2 through a locking bolt, the influence of external factors on the filter body 3 is reduced, the service life is prolonged, the air guide frame 13 arranged on the end surface of the side of the protective shell 11 is utilized, an air inlet fan 15 on the air guide frame 13 drives external air to enter the protective shell 11 through the dust filtering cotton 151, the air is contacted with the filter body 3 in the protective shell 11, and the carried heat is exhausted from an exhaust hole arranged on the bottom surface, and the sealing cover 2 and the air guide frame 13 are respectively vertically welded with a heat conduction strip 14 and a heat conduction plate 21, so that the contact area with the outside is increased, and the heat dissipation efficiency is improved.

The device obtained by the design can basically meet the requirement of using the alternating current EMI filter with multiple heat dissipation functions, which can accelerate the rapid dissipation of heat in the filter and further improve the use safety, but the designer further improves the device with the aim of further improving the functions.

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 utility model provides an exchange EMI wave filter with multiple heat dissipation function, its characterized in that, includes protection architecture (1) and closing cap (2), protection architecture (1) is including protective housing (11), the top surface opening setting of protective housing (11), and vertical through mounting has orifice plate (12) on the front and back side end face of protective housing (11), the internally mounted of protective housing (11) has filter body (3), and the outside equal vertical welding of protective housing (11) front and back side end face has wind-guiding frame (13), run through on the bottom surface of protective housing (11) and seted up the exhaust hole, and the horizontal welding has otter board (16) in the exhaust hole of protective housing (11), horizontal mounting has closing cap (2) on the top surface of protective housing (11).

2. The alternating current EMI filter with multiple heat dissipation functions as recited in claim 1, wherein the heat conduction bars (14) are welded vertically downward inside the air guiding frame (13), and an air intake fan (15) is connected through the outer end surface of the air guiding frame (13).

3. The alternating current EMI filter with multiple heat dissipation functions as recited in claim 2, wherein the outer end of the intake fan (15) of the air guide frame (13) is filled with dust-filtering cotton (151).

4. An alternating current EMI filter with multiple heat dissipation functions as recited in claim 3, characterized in that the top surface of the cover (2) is vertically through-welded with a heat conducting plate (21), and a plurality of heat conducting plates (21) are uniformly arranged along the horizontal direction.

5. The alternating current EMI filter with multiple heat dissipation functions as recited in claim 4, wherein the lower parts of the two side end faces of the cover (2) are horizontally welded with the screw hole plates (17), and the screw hole plates (17) are vertically threaded to be provided with the locking bolts (18).

6. The alternating current EMI filter with multiple heat dissipation functions as recited in claim 5, wherein the screw hole plates (17) are horizontally welded on the upper portions of the end surfaces of the two sides of the protective shell (11), and the screw hole plates (17) on the protective shell (11) and the cover (2) are vertically threaded through by the locking bolts (18).