Electromagnetic shielding chamber for improving high-frequency effect

Abstract

The utility model discloses an electromagnetic shielding chamber for improving high-frequency effect, which comprises a base, the upper side of the outer end of the base is connected with a side plate, and the middle side of the front end of the base is connected with a shielding door; the third electromagnetic shielding plate is connected to the middle side of the upper end of the base, and the outer side of the third electromagnetic shielding plate is connected with a limiting rod; the first electromagnetic shielding plate is installed on the middle side of the interior of the side plate, a spring is fixedly arranged on the lower side of the interior of the first electromagnetic shielding plate, a moving block is fixedly installed on the front side of the spring, a push block is fixedly connected to the inner side of the upper end of the moving block, and a movable block is connected to the inner side of the upper end of the first electromagnetic shielding plate; the middle side of the movable block is connected with a connecting rod, and the outer side of the upper end of the connecting rod is connected with a second electromagnetic shielding plate. According to the electromagnetic shielding chamber capable of improving the high-frequency effect, the high-frequency effect of the electromagnetic shielding chamber can be conveniently improved, the electromagnetic shielding chamber can be conveniently assembled, and the electromagnetic shielding assembly can be conveniently fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic shielding rooms, in particular to an electromagnetic shielding room with improved high-frequency effect. Background Art

[0002] An electromagnetic shielding room is a room that uses certain technical means to shield electromagnetic interference generated by the earth's magnetic field, nature, and humanities, creating an environment without electromagnetic interference. In this environment, various scientific research activities can be carried out. It is an important infrastructure in modern scientific research. During the use of the electromagnetic shielding room, an assembly structure is required to improve the use effect of the electromagnetic shielding room, such as:

[0003] China Patent Authorization Announcement No. CN104244687B discloses an electromagnetic shielding room. The electromagnetic shielding room includes: a shielding shell; the interior of the shielding shell forms a closed electromagnetic shielding space, and its wall surface includes: a permalloy shielding interlayer, a support layer, and an aluminum plate shielding interlayer from the inside to the outside, and the permalloy shielding interlayer and the aluminum plate shielding interlayer are respectively fixed on the inside and outside of the support layer. The present invention not only uses permalloy to shield low-frequency magnetic fields, but also uses aluminum plates for high-frequency electromagnetic field shielding, thereby improving the high-frequency shielding effect.

[0004] The above-mentioned prior art solutions have the following defects: when improving the high-frequency effect of the electromagnetic shielding room, it is improved by using aluminum plates, the assembly effect of ordinary electromagnetic shielding rooms is not good, and the fixing of electromagnetic shielding components is not convenient enough. Therefore, the utility model provides an electromagnetic shielding room with improved high-frequency effect to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the utility model is to provide an electromagnetic shielding room with improved high-frequency effect, so as to solve the problem proposed in the above background technology that the high-frequency effect of the electromagnetic shielding room is improved by using aluminum plates, the assembly effect of ordinary electromagnetic shielding rooms is not good, and the fixing of electromagnetic shielding components is not convenient enough.

[0006] To achieve the above object, the utility model provides the following technical solution: an electromagnetic shielding room with improved high-frequency effect, comprising a base, a side plate connected to the upper side of the outer end of the base, and a cover plate connected to the upper end of the side plate, and a shielding door connected to the middle side of the front end of the base;

[0007] Also includes:

[0008] A third electromagnetic shielding plate, which is connected to the middle side of the upper end of the base, and the outer side of the third electromagnetic shielding plate is connected to a limiting rod, the outer side of the lower end of the third electromagnetic shielding plate is connected to a first fixing rod, the outer side of the first fixing rod is connected to a connecting plate, and the outer side of the upper end of the connecting plate is connected to a second fixing rod, and the outer side of the upper end of the base is connected to a connecting rod;

[0009] A first electromagnetic shielding plate is installed on the inner middle side of the side plate, and a spring is fixedly arranged on the inner lower side of the first electromagnetic shielding plate, a moving block is fixedly installed on the front side of the spring, and a push block is fixedly connected to the inner side of the upper end of the moving block, a movable block is connected to the inner side of the upper end of the first electromagnetic shielding plate, and a connecting rod is connected to the middle side of the movable block, a second electromagnetic shielding plate is connected to the outer side of the upper end of the connecting rod, and a mounting rod is connected to the middle side of the second electromagnetic shielding plate.

[0010] Preferably, the side plate and the cover plate are connected by snap-fitting, and the cover plate and the connecting rod are connected by threads.

[0011] Preferably, the side plate and the connecting plate are connected by snap-fitting, and the vertical cross-section of the side plate is an "L"-shaped structure.

[0012] Preferably, the first electromagnetic shielding plate comprises an electromagnetic shielding coating, a conductive rubber layer and a malloy screen shielding layer, and the inner side of the electromagnetic shielding coating is connected to the conductive rubber layer, and the inner side of the conductive rubber layer is connected to the malloy screen shielding layer.

[0013] Preferably, the electromagnetic shielding coating is distributed symmetrically about the center line of the amalgam shielding layer.

[0014] Preferably, the moving block is connected to the first electromagnetic shielding plate in a sliding manner, and the vertical cross-section of the moving block is an "L"-shaped structure.

[0015] Preferably, the limiting rods are connected to the third electromagnetic shielding plate by means of threads, and the limiting rods are symmetrically distributed about the center line of the third electromagnetic shielding plate.

[0016] Preferably, the movable block is connected to the first electromagnetic shielding plate in a rotational manner, and a groove structure is provided on the inner side of the upper end of the first electromagnetic shielding plate.

[0017] Compared with the prior art, the beneficial effects of the utility model are: the electromagnetic shielding room with improved high-frequency effect is convenient for improving the high-frequency effect of the electromagnetic shielding room, convenient for assembling the electromagnetic shielding room, and convenient for fixing the electromagnetic shielding assembly;

[0018] By providing an electromagnetic shielding coating, it is convenient to improve the high-frequency shielding effect of the electromagnetic shielding room formed by the base, side plates and cover plates, and then the conductive rubber layer and the amalgam screen shielding layer connected to the inner side of the electromagnetic shielding coating are convenient to further improve the high-frequency shielding effect of the electromagnetic shielding room formed by the base, side plates and cover plates;

[0019] By installing the side panel on the outer side of the upper end of the base, and then snap-fitting the connecting plate on the outer side of the lower end of the side panel, rotating the first fixing rod so that the first fixing rod is threadedly connected to the lower end of the connecting plate, thereby making the first fixing rod threadedly connected to the outer side of the upper end of the base, and then rotating the second fixing rod so that the second fixing rod is threadedly connected to the upper end of the connecting plate, thereby making the second fixing rod threadedly connected to the outer side of the lower end of the side panel, the base and the side panel are conveniently assembled;

[0020] By installing the third electromagnetic shielding plate on the middle side of the upper end of the base, rotating the limit rod so that the limit rod is threadedly connected to the outer side of the upper end of the third electromagnetic shielding plate, thereby making the limit rod threadedly connected to the upper side of the base, and then installing the first electromagnetic shielding plate on the inner side of the side plate, loosening the push block, so that the spring drives the moving block to slide forward at the lower end of the first electromagnetic shielding plate, so that the moving block is snap-connected to the inner and outer sides of the third electromagnetic shielding plate, and then installing the second electromagnetic shielding plate on the lower side of the cover plate, rotating the mounting rod so that the mounting rod is threadedly connected to the outer side of the lower end of the second electromagnetic shielding plate, thereby making the mounting rod threadedly connected to the lower side of the cover plate, so as to facilitate the fixing of the first electromagnetic shielding plate, the second electromagnetic shielding plate and the third electromagnetic shielding plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall cross-sectional structure of the connection between the side plate and the first electromagnetic shielding plate of the utility model;

[0022] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0023] Figure 3 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0024] Figure 4 This is a schematic diagram of the overall cross-sectional structure of the connection between the cover plate and the second electromagnetic shielding plate of the utility model;

[0025] Figure 5 For this utility model Figure 4 The enlarged structural diagram at C in the middle;

[0026] Figure 6 This is a schematic diagram of the overall cross-sectional structure of the connection between the moving block and the third electromagnetic shielding plate of the utility model;

[0027] Figure 7 This is a schematic diagram of the overall structure of the first electromagnetic shielding plate of the utility model.

[0028] In the figure: 1. base; 2. side plate; 3. first electromagnetic shielding plate; 301. electromagnetic shielding coating; 302. conductive rubber layer; 303. molybdenum alloy screen shielding layer; 4. cover plate; 5. second electromagnetic shielding plate; 6. third electromagnetic shielding plate; 7. connecting plate; 8. first fixing rod; 9. second fixing rod; 10. moving block; 11. pushing block; 12. limiting rod; 13. mounting rod; 14. movable block; 15. connecting rod; 16. shielding door; 17. spring; 18. connecting rod. DETAILED DESCRIPTION

[0029] 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.

[0030] See also Figure 1-7 The utility model provides a technical solution: an electromagnetic shielding room with improved high-frequency effect, comprising: a side plate 2 is connected to the upper side of the outer end of a base 1, and a cover plate 4 is connected to the upper end of the side plate 2, a shielding door 16 is connected to the middle side of the front end of the base 1, a third electromagnetic shielding plate 6 is connected to the middle side of the upper end of the base 1, and a limiting rod 12 is connected to the outer side of the third electromagnetic shielding plate 6, a first fixing rod 8 is connected to the outer side of the lower end of the third electromagnetic shielding plate 6, and a connecting plate 7 is connected to the outer side of the first fixing rod 8, and a second fixing rod 12 is connected to the upper outer side of the connecting plate 7. The fixing rod 9 and the connecting rod 18 are connected to the outer side of the upper end of the base 1. The side panel 2 is installed on the outer side of the upper end of the base 1, and the connecting plate 7 is installed on the outer side of the lower end of the side panel 2. The first fixing rod 8 is rotated to connect the first fixing rod 8 at the lower end of the connecting plate 7, so that the first fixing rod 8 is connected to the outer side of the upper end of the base 1, and then the second fixing rod 9 is rotated to connect the second fixing rod 9 at the upper end of the connecting plate 7, so that the second fixing rod 9 is connected to the outer side of the lower end of the side panel 2, which is convenient for assembling between the base 1 and the side panel 2;

[0031] The first electromagnetic shielding plate 3 is installed on the inner middle side of the side plate 2, and a spring 17 is fixedly provided on the inner lower side of the first electromagnetic shielding plate 3, a moving block 10 is fixedly installed on the front side of the spring 17, and a push block 11 is fixedly connected to the inner side of the upper end of the moving block 10, a movable block 14 is connected to the inner side of the upper end of the first electromagnetic shielding plate 3, and a connecting rod 15 is connected to the middle side of the movable block 14, a second electromagnetic shielding plate 5 is connected to the outer side of the upper end of the connecting rod 15, and a mounting rod 13 is connected to the middle side of the second electromagnetic shielding plate 5, the third electromagnetic shielding plate 6 is installed on the middle side of the upper end of the base 1, and the limiting rod 12 is rotated so that the limiting rod 12 is moved on the outer side of the upper end of the third electromagnetic shielding plate 6 The first electromagnetic shielding plate 3 is installed on the inner side of the side plate 2, and the push block 11 is loosened so that the spring 17 drives the moving block 10 to slide forward at the lower end of the first electromagnetic shielding plate 3, so that the moving block 10 is connected to the inner and outer sides of the third electromagnetic shielding plate 6, and the second electromagnetic shielding plate 5 is installed on the lower side of the cover plate 4, and the mounting rod 13 is rotated so that the mounting rod 13 is connected to the outer side of the lower end of the second electromagnetic shielding plate 5, so that the mounting rod 13 is connected to the lower side of the cover plate 4, which is convenient for fixing the first electromagnetic shielding plate 3, the second electromagnetic shielding plate 5 and the third electromagnetic shielding plate 6;

[0032] The cover plate 4 is installed on the outer side of the upper end of the side plate 2, and the connecting rod 18 is rotated to connect the connecting rod 18 to the outer side of the lower end of the cover plate 4, so that the connecting rod 18 is threadedly connected to the outer side of the upper end of the side plate 2, which is convenient for assembly between the side plate 2 and the cover plate 4, and thus convenient for assembly between the base 1, the side plate 2 and the cover plate 4. By providing the first electromagnetic shielding plate 3, the second electromagnetic shielding plate 5 and the third electromagnetic shielding plate 6, it is convenient to improve the high-frequency shielding effect of the electromagnetic shielding room formed by the base 1, the side plate 2 and the cover plate 4.

[0033] When using the electromagnetic shielding room that improves high frequency effect, the specific Figure 2 , Figure 4 and Figure 5 In the embodiment, the side panel 2 is installed on the outer side of the upper end of the base 1, and the side panel 2 is connected to the connecting plate 7 by a snap-fitting manner, and the vertical cross-section of the side panel 2 is an "L"-shaped structure, and then the connecting plate 7 is snap-fitted and installed on the outer side of the lower end of the side panel 2, and the first fixing rod 8 is rotated so that the first fixing rod 8 is threadedly connected to the lower end of the connecting plate 7, so that the first fixing rod 8 is threadedly connected to the outer side of the upper end of the base 1, and then the second fixing rod 9 is rotated so that the second fixing rod 9 is threadedly connected to the upper end of the connecting plate 7, so that the second fixing rod 9 is threadedly connected to the outer side of the lower end of the side panel 2, which is convenient for assembling between the base 1 and the side panel 2;

[0034] Specific as Figure 2 , Figure 3 and Figure 6In the embodiment, the third electromagnetic shielding plate 6 is installed on the middle side of the upper end of the base 1, the limiting rod 12 is connected to the third electromagnetic shielding plate 6 by means of threads, and the limiting rod 12 is symmetrically distributed about the center line of the third electromagnetic shielding plate 6, the limiting rod 12 is rotated so that the limiting rod 12 is threadedly connected to the outer side of the upper end of the third electromagnetic shielding plate 6, so that the limiting rod 12 is threadedly connected to the upper side of the base 1, and then the first electromagnetic shielding plate 3 is installed on the inner side of the side plate 2, the moving block 10 is connected to the first electromagnetic shielding plate 3 by means of sliding, and the vertical cross-section of the moving block 10 is an "L"-shaped structure, the push block 11 is loosened, and the spring 17 drives the moving block 10 to slide forward at the lower end of the first electromagnetic shielding plate 3, so that the moving block 10 is inside the third electromagnetic shielding plate 6. The outer side of the cover plate 4 is snap-fitted, and then the second electromagnetic shielding plate 5 is installed on the lower side of the cover plate 4, and the mounting rod 13 is rotated so that the mounting rod 13 is threadedly connected to the outer side of the lower end of the second electromagnetic shielding plate 5, so that the mounting rod 13 is threadedly connected to the lower side of the cover plate 4, and the movable block 14 is connected to the first electromagnetic shielding plate 3 in a rotating manner, and a groove-shaped structure is provided on the inner side of the upper end of the first electromagnetic shielding plate 3, and the movable block 14 is rotated so that the movable block 14 rotates on the inner side of the upper end of the first electromagnetic shielding plate 3, and the connecting rod 15 is rotated so that the connecting rod 15 is threadedly connected to the middle side of the movable block 14, so that the connecting rod 15 is threadedly connected to the lower side of the second electromagnetic shielding plate 5, which is convenient for fixing the first electromagnetic shielding plate 3, the second electromagnetic shielding plate 5 and the third electromagnetic shielding plate 6;

[0035] Specific as Figure 1 , Figure 3 and Figure 7 In the embodiment, the cover plate 4 is snap-fitted and installed on the outer side of the upper end of the side plate 2. The side plate 2 and the cover plate 4 are connected by snap-fitting, and the cover plate 4 is connected to the connecting rod 18 by threading. The connecting rod 18 is rotated to make the connecting rod 18 threadedly connected to the outer side of the lower end of the cover plate 4, so that the connecting rod 18 is threadedly connected to the outer side of the upper end of the side plate 2, which is convenient for assembling the side plate 2 and the cover plate 4, thereby facilitating the assembly of the base 1, the side plate 2 and the cover plate 4. The electromagnetic shielding coating 301 is symmetrically distributed about the center line of the molybdenum alloy screen shielding layer 303. By providing the electromagnetic shielding coating 301, it is convenient to improve the high-frequency shielding effect of the electromagnetic shielding room formed by the base 1, the side plate 2 and the cover plate 4. Then, the conductive rubber layer 302 and the molybdenum alloy screen shielding layer 303 connected to the inner side of the electromagnetic shielding coating 301 can further improve the high-frequency shielding effect of the electromagnetic shielding room formed by the base 1, the side plate 2 and the cover plate 4.

[0036] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. An electromagnetic shielding room for improving high-frequency effects, comprising a base (1), the upper side of the outer end of which is connected to a side plate (2), the upper end of the side plate (2) is connected to a cover plate (4), and the front middle side of the base (1) is connected to a shielding door (16); It is characterized in that Also includes: A third electromagnetic shielding plate (6) connected to the middle side of the upper end of the base (1), and the outer side of the third electromagnetic shielding plate (6) is connected to a limiting rod (12), the outer side of the lower end of the third electromagnetic shielding plate (6) is connected to a first fixing rod (8), the outer side of the first fixing rod (8) is connected to a connecting plate (7), and the outer side of the upper end of the connecting plate (7) is connected to a second fixing rod (9), and the outer side of the upper end of the base (1) is connected to a connecting rod (18); A first electromagnetic shielding plate (3) is mounted on the inner middle side of the side plate (2), and a spring (17) is fixedly arranged on the inner lower side of the first electromagnetic shielding plate (3), a moving block (10) is fixedly mounted on the front side of the spring (17), and a push block (11) is fixedly connected to the inner side of the upper end of the moving block (10), a movable block (14) is connected to the inner side of the upper end of the first electromagnetic shielding plate (3), and a connecting rod (15) is connected to the middle side of the movable block (14), a second electromagnetic shielding plate (5) is connected to the outer side of the upper end of the connecting rod (15), and a mounting rod (13) is connected to the middle side of the second electromagnetic shielding plate (5).

2. The electromagnetic shielding room for improving high frequency effect according to claim 1, characterized in that: The side plate (2) and the cover plate (4) are connected in a snap-fitting manner, and the cover plate (4) and the connecting rod (18) are connected in a threaded manner.

3. The electromagnetic shielding room for improving high frequency effect according to claim 2, characterized in that: The side plate (2) and the connecting plate (7) are connected in a snap-fit ​​manner, and the vertical cross-section of the side plate (2) is an "L"-shaped structure.

4. The electromagnetic shielding room for improving high frequency effect according to claim 1, characterized in that: The first electromagnetic shielding plate (3) comprises an electromagnetic shielding coating (301), a conductive rubber layer (302) and a malloy screen shielding layer (303), wherein the inner side of the electromagnetic shielding coating (301) is connected to the conductive rubber layer (302), and the inner side of the conductive rubber layer (302) is connected to the malloy screen shielding layer (303).

5. The electromagnetic shielding room for improving high frequency effect according to claim 4, characterized in that: The electromagnetic shielding coating (301) is distributed symmetrically with respect to the center line of the molybdenum alloy shielding layer (303).

6. The electromagnetic shielding room for improving high frequency effect according to claim 1, characterized in that: The moving block (10) and the first electromagnetic shielding plate (3) are connected in a sliding manner, and the vertical cross-section of the moving block (10) is an "L"-shaped structure.

7. The electromagnetic shielding room for improving high frequency effect according to claim 1, characterized in that: The limiting rod (12) and the third electromagnetic shielding plate (6) are connected in a threaded manner, and the limiting rod (12) is symmetrically distributed about the center line of the third electromagnetic shielding plate (6).

8. The electromagnetic shielding room for improving high frequency effect according to claim 1, characterized in that: The movable block (14) is connected to the first electromagnetic shielding plate (3) in a rotational manner, and a groove-shaped structure is provided on the inner side of the upper end of the first electromagnetic shielding plate (3).

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