CN212851647U

CN212851647U - Assembled electromagnetic shielding waveguide window

Info

Publication number: CN212851647U
Application number: CN202021588609.2U
Authority: CN
Inventors: 苏晓光; 卞建伟
Original assignee: Changzhou Nuoding Electronic Technology Co ltd
Current assignee: Changzhou Nuoding Electronic Technology Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-03-30
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses an assembled electromagnetic shield waveguide window, including installing frame, installation ear, mounting hole, internal thread, internal fixation hole, spacing frame, resettlement groove, removal frame, honeycomb window, shielding hole, fixed frame, external fixation hole, dust screen, bolt and nut. The utility model has the advantages that: the installation ear has four, and establish the mounting hole, can fixed mounting waveguide window, the fixed orifices corresponds the setting, the installing frame is detachable connection, convenient to detach equipment, it establishes two to remove the frame, it is the card through spacing frame and settling tank and puts the formula and connect, be convenient for stably place, the installing frame, it is square to remove frame and fixed frame, be the stainless steel material, increase the durability, fixed frame has two, fixed frame all is the dust screen, prevent that inside dust from piling up, protection inlayer spare part, shielding hole evenly distributed, the shielding hole is the continuous six side shapes of corner, can improve the shielding effect of waveguide window to passing the electromagnetism.

Description

Assembled electromagnetic shielding waveguide window

Technical Field

The utility model relates to a waveguide window specifically is an assembled electromagnetic shield waveguide window, belongs to electromagnetic shield equipment technical field.

Background

The electromagnetic shielding is a measure for shielding the end part of a stator core of a large-capacity steam turbine generator by utilizing a part made of a conductive material or a ferromagnetic material so as to reduce additional loss and local heating caused by magnetic leakage at the end part of a stator winding in a structural member, and the shielding is to perform metal isolation between two space regions in the aspect of communication so as to control induction and radiation of an electric field, a magnetic field and electromagnetic waves from one region to the other region, in particular to surround an interference source of a component, a circuit, a combined part, a cable or the whole system by using a shielding body so as to prevent an interference electromagnetic field from diffusing outwards; the receiving circuit, equipment or system is surrounded by a shielding body to prevent the receiving circuit, equipment or system from being influenced by an external electromagnetic field, a waveguide window is used for keeping air circulation in a machine room, a window needs to be opened on a shielding shell, but the waveguide window conforming to a response standard needs to be installed, the waveguide window has the function of preventing electromagnetic signal leakage while ensuring air circulation, and the ventilation waveguide window is a main channel for shielding indoor air exchange with the outside and can effectively stop the passing of electromagnetic waves.

The existing waveguide window is simple in structure, one of the existing waveguide window is not provided with a dust filter screen, the waveguide window is used for a long time, a large amount of dust is accumulated inside the waveguide window, the electromagnetic shielding effect is reduced, the existing waveguide window is generally welded in a frame, the connection is firm, the installation and the replacement of internal parts are unchanged, the used waveguide window is arranged to be of a single-layer structure, a certain shielding effect can be achieved on the electromagnetism, the shielding efficiency is low, meanwhile, the shielding holes are simple in arrangement, and the electromagnetic shielding is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide an assembled electromagnetic shielding waveguide window for solving the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: an assembled electromagnetic shielding waveguide window comprises a mounting frame, mounting lugs, mounting holes, internal threads, an internal fixing hole, a limiting frame, a placing groove, a moving frame, a honeycomb window, shielding holes, a fixing frame, an external fixing hole, a dustproof net, bolts and nuts; the utility model discloses a waveguide window, including installing frame, mounting frame, removal frame and fixed frame, the mounting frame four corners welded fastening has the installation ear, the mounting hole intercommunication is established in installation ear center department, the mounting hole inner wall is equipped with the internal thread, the internal fixation hole is seted up in the mounting frame four corners, mounting frame inner wall center department is equipped with the spacing frame that square encircleed, the settling tank sets up in the mounting frame inner wall outside, it sets up in the mounting frame both sides to remove the frame, the fixed inner wall of settling at the removal frame of honeycomb window, evenly distributed's shielding hole is seted up to the honeycomb window, the outside of removing the frame is arranged in to fixed frame, just outer fixed orifices has all been seted up in fixed frame four corners, the fixed arrangement at fixed frame inner wall of dust screen, mounting frame and fixed frame pass outer fixed orifices and internal fixation hole through the bolt and nut and carry out fixed.

Preferably, in order to fixedly mount the waveguide window, four mounting lugs are provided, and mounting holes with internal threads are formed in the centers of the mounting lugs.

Preferably, in order to facilitate the disassembly and assembly of the fixing frame, the inner fixing hole and the outer fixing hole are arranged in a one-to-one correspondence manner, and the mounting frame and the fixing frame are detachably connected through bolts and nuts.

Preferably, for the convenience of stably placing the movable frame, the movable frame is provided with two, and the movable frame is connected with the installation frame in a clamping manner through the limiting frame and the placing groove.

Preferably, in order to increase the durability of the waveguide window, the installation frame, the moving frame and the fixing frame are square and are made of stainless steel.

Preferably, in order to prevent that inside dust from piling up, fixed frame has two, and fixed frame settles in the installing frame both sides, and fixed frame is all fixed to be equipped with the dust screen simultaneously.

Preferably, in order to improve the shielding effect of the waveguide window on the passing-through electromagnetic waves, the shielding holes are uniformly distributed on the honeycomb window, and the shielding holes are in a regular hexagon shape with connected corners.

The utility model has the advantages that: the assembled waveguide window for electromagnetic shielding is reasonable in design, four installation lugs are arranged, installation holes with internal threads are formed in the centers of the installation lugs, the waveguide window can be fixedly installed and internally threaded, the waveguide window is also convenient to assemble, the internal fixing holes and the external fixing holes are arranged in a one-to-one correspondence mode, the installation frame and the fixing frames are detachably connected through bolts and nuts, the fixing frames are convenient to disassemble and assemble, further the moving frame is convenient to fix, two moving frames are arranged, the moving frame and the installation frame are connected in a clamping mode through the limiting frame and the placing groove, the moving frame is convenient to stably place, the honeycomb windows in the two moving frames can also improve the electromagnetic shielding effect, the installation frame, the moving frame and the fixing frames are square and are made of stainless steel materials, the durability of the waveguide window can be improved, the waveguide window is convenient to use for a long time, the fixing frames are two, and the fixing frames are arranged on two sides of, meanwhile, the dust screen is fixedly arranged on the fixed frame, so that internal dust is prevented from being accumulated, certain protection effect is achieved on internal parts, the shielding holes are uniformly distributed on the honeycomb window and are in a regular hexagonal shape with corners connected, the shielding effect of the waveguide window on passing electromagnetism can be improved, and the applicability is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic view of the honeycomb window structure of the present invention;

fig. 4 is a top view of the waveguide window of the present invention.

In the figure: 1. the installation frame, 2, installation ear, 3, mounting hole, 4, internal thread, 5, internal fixation hole, 6, spacing frame, 7, mounting groove, 8, removal frame, 9, honeycomb window, 10, shielding hole, 11, fixed frame, 12, external fixation hole, 13, dust screen, 14, bolt and 15, nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1 to 4, an assembled electromagnetic shielding waveguide window includes a mounting frame 1, a mounting lug 2, a mounting hole 3, an internal thread 4, an internal fixing hole 5, a limiting frame 6, a placement groove 7, a moving frame 8, a honeycomb window 9, a shielding hole 10, a fixing frame 11, an external fixing hole 12, a dust screen 13, a bolt 14 and a nut 15; the installation frame 1, the moving frame 8 and the fixed frame 11 form the main body structure of the waveguide window, the installation lugs 2 are welded and fixed at four corners of the installation frame 1, the mounting hole 3 is communicated with the center of the mounting lug 2, the inner wall of the mounting hole 3 is provided with an internal thread 4, the inner fixing holes 5 are arranged at four corners of the mounting frame 1, the center of the inner wall of the mounting frame 1 is provided with a limit frame 6 which is surrounded in a square shape, the placing groove 7 is arranged on the outer side of the inner wall of the mounting frame 1, the moving frame 8 is arranged on two sides of the mounting frame 1, the honeycomb window 9 is fixedly arranged on the inner wall of the movable frame 8, the honeycomb window 9 is provided with shielding holes 10 which are uniformly distributed, the fixed frame 11 is arranged on the outer side of the movable frame 8, and the four corners of the frame of the fixed frame 11 are all provided with external fixing holes 12, the dust screen 13 is fixedly arranged on the inner wall of the fixed frame 11, the mounting frame 1 and the fixing frame 11 are fixedly connected with a nut 15 through a bolt 14 passing through the outer fixing hole 12 and the inner fixing hole 5.

The four installation lugs 2 are provided, the installation holes 3 with the internal threads 4 are respectively arranged at the centers of the installation lugs 2, the waveguide window can be fixedly installed, the internal threads 4 are arranged, the waveguide window is convenient to fixedly install, the internal fixing holes 5 and the external fixing holes 12 are arranged in a one-to-one correspondence manner, the installation frame 1 and the fixing frame 11 are detachably connected through bolts 14 and nuts 15, the fixing frame 11 is convenient to disassemble and assemble, and further the moving frame 8 is convenient to fix, two moving frames 8 are arranged, the moving frame 8 and the installation frame 1 are connected in a clamping manner through limiting frames 6 and arranging grooves 7, the moving frame 8 is convenient to stably place, meanwhile, the honeycomb windows 9 in the two moving frames 8 can also improve the electromagnetic shielding effect, the installation frame 1, the moving frame 8 and the fixing frame 11 are square and are made of stainless steel, the durability of the waveguide window can be improved, and the waveguide window is convenient to use for a long time, fixed frame 11 has two, and fixed frame 11 is settled in 1 both sides of installing frame, and fixed frame 11 is all fixed to be equipped with dust screen 13 simultaneously, prevents that inside dust from piling up, plays certain guard action to inlayer spare part, shielding hole 10 evenly distributed is on honeycomb window 9, and shielding hole 10 is the regular hexagon shape that the corner links to each other, can improve the waveguide window to the shielding effect of passing the electromagnetism, increases the suitability.

The working principle is as follows: when the assembled electromagnetic shielding waveguide window is used, firstly, the movable frame 8 with the honeycomb window 9 is clamped and arranged at the position of the arranging grooves 7 at two sides of the installation frame 1, then the fixed frame 11 with the dustproof net 13 is respectively arranged at two sides of the installation frame 1 through the inner fixing holes 5 and the outer fixing holes 12 corresponding to four corners, then the bolts 14 respectively penetrate through the inner fixing holes 5 and the outer fixing holes 12 to be fixedly connected with the nuts 15, and finally, the waveguide window is fixed through the internal threads 4 with the installation holes 3 at the four corners of the installation frame 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An assembled electromagnetic shielding waveguide window, characterized in that: the honeycomb window frame comprises a mounting frame (1), mounting lugs (2), mounting holes (3), internal threads (4), an internal fixing hole (5), a limiting frame (6), a placing groove (7), a moving frame (8), a honeycomb window (9), a shielding hole (10), a fixing frame (11), an external fixing hole (12), a dust screen (13), a bolt (14) and a nut (15); the waveguide window is characterized in that the installation frame (1), the moving frame (8) and the fixed frame (11) form a main body structure of the waveguide window, installation lugs (2) are fixed to four corners of the installation frame (1) in a welded mode, installation holes (3) are communicated with the center of the installation lugs (2), internal threads (4) are arranged on the inner wall of each installation hole (3), internal fixing holes (5) are formed in four corners of the installation frame (1), a limit frame (6) which is surrounded in a square mode is arranged at the center of the inner wall of the installation frame (1), the arrangement grooves (7) are formed in the outer side of the inner wall of the installation frame (1), the moving frame (8) is arranged on two sides of the installation frame (1), the honeycomb window (9) is fixedly arranged on the inner wall of the moving frame (8), shielding holes (10) which are uniformly distributed are formed in the honeycomb window (9), the fixed frame (11) is arranged on the outer side of the moving frame (8), and outer fixing holes (12) are, the dustproof net (13) is fixedly arranged on the inner wall of the fixed frame (11), and the installation frame (1) and the fixed frame (11) penetrate through the outer fixing hole (12) and the inner fixing hole (5) through the bolts (14) to be fixedly connected with the nuts (15).

2. An assembled electromagnetically shielded waveguide window as claimed in claim 1, wherein: the number of the mounting lugs (2) is four, and mounting holes (3) with internal threads (4) are formed in the centers of the mounting lugs (2).

3. An assembled electromagnetically shielded waveguide window as claimed in claim 1, wherein: the inner fixing holes (5) and the outer fixing holes (12) are arranged in a one-to-one correspondence mode, and the mounting frame (1) and the fixing frame (11) are detachably connected through bolts (14) and nuts (15).

4. An assembled electromagnetically shielded waveguide window as claimed in claim 1, wherein: remove frame (8) and be equipped with two, and remove frame (8) and installing frame (1) and be the card through spacing frame (6) and place groove (7) and put the formula and be connected.

5. An assembled electromagnetically shielded waveguide window as claimed in claim 1, wherein: the mounting frame (1), the moving frame (8) and the fixing frame (11) are square and are made of stainless steel.

6. An assembled electromagnetically shielded waveguide window as claimed in claim 1, wherein: the two fixed frames (11) are arranged on two sides of the mounting frame (1), and the dust screen (13) is fixedly arranged on each fixed frame (11).

7. An assembled electromagnetically shielded waveguide window as claimed in claim 1, wherein: the shielding holes (10) are uniformly distributed on the honeycomb window (9), and the shielding holes (10) are in a regular hexagon shape with connected corners.