Electromagnetic shielding equipment with anti-interference function

By filling the electromagnetic shielding equipment with wave-absorbing foam and combining it with buffer and shock-absorbing components, the impact of vibration and shock on the equipment is solved, achieving a stronger electromagnetic shielding and equipment protection effect.

CN223758650UActive Publication Date: 2026-01-02NANJING KEPIN ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202520268331.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2026-01-02
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

Existing electromagnetic shielding equipment is easily damaged in vibration or shock environments, affecting its normal performance and service life.

Method used

The shielding layer is filled with absorbing foam to enhance the electromagnetic shielding effect, and shock and vibration are absorbed by buffer and shock absorption components and hydraulic buffer structure, including the combined use of components such as clamping plates, moving components, buffer springs and hydraulic rods.

Benefits of technology

It effectively reduces electromagnetic interference, enhances the equipment's resistance to vibration and shock, protects the stability of electronic equipment, and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides electromagnetic shielding equipment with an anti-interference function, which relates to the technical field of electromagnetic shielding equipment and comprises an electromagnetic shielding equipment body, a shielding layer is arranged in a shell of the electromagnetic shielding equipment body, a mounting plate is arranged in the electromagnetic shielding equipment body, and a moving assembly is arranged at the top of the mounting plate. According to the electromagnetic shielding equipment, the shielding layer is arranged in the shell of the electromagnetic shielding equipment body, the wave-absorbing foam is selected for filling, the remarkable anti-interference effect is achieved, and the wave-absorbing foam is a high-performance wave-absorbing material and can effectively absorb electromagnetic waves and reduce reflection and scattering of the electromagnetic waves; and the electromagnetic shielding equipment body is filled with the wave-absorbing foam, so that the shielding effectiveness of the electromagnetic shielding equipment body can be further enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electromagnetic shielding equipment technical field especially relates to a kind of electromagnetic shielding equipment with anti-interference function. BACKGROUND

[0002] The main role of electromagnetic shielding equipment is to cut off the propagation path of electromagnetic waves, thereby eliminating or weakening electromagnetic interference. Electromagnetic shielding equipment can isolate electromagnetic noise in the external environment and prevent these noises from interfering with internal circuits or systems, ensuring that the equipment can work normally. For example, in high-frequency signal environments such as communication and radar, electromagnetic shielding equipment can effectively prevent electromagnetic radiation from affecting internal circuits.

[0003] Currently, electromagnetic shielding equipment is generally used in certain specific application scenarios, where it may be subjected to external environmental factors such as vibration or impact. These factors may adversely affect the electronic devices or test environment inside the electromagnetic shielding equipment. For example, vibrations and impacts generated during the operation of vehicles such as cars and trains may also affect the equipment inside the electromagnetic shielding equipment. In the industrial manufacturing field, some heavy machinery or automated production lines may also generate vibrations and impacts, which may cause mechanical damage or affect the normal performance of the equipment inside the electromagnetic shielding box. Therefore, we propose an electromagnetic shielding equipment with anti-interference function. SUMMARY

[0004] The utility model aims at providing an electromagnetic shielding equipment with anti-interference function to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] An electromagnetic shielding equipment with anti-interference function includes an electromagnetic shielding equipment body, a shielding layer is arranged inside the electromagnetic shielding equipment body shell, an installation plate is arranged inside the electromagnetic shielding equipment body, a moving assembly is arranged on the top of the installation plate, clamping plates are arranged on both sides of the top of the moving assembly, a buffer damping assembly is arranged between the bottom of the installation plate and the inner bottom of the electromagnetic shielding equipment body.

[0007] The buffer damping assembly includes a first limiting sliding groove, a straight-line conduit is arranged inside the first limiting sliding groove, sliding blocks are connected to both sides of the straight-line conduit, a first buffer spring is arranged between the sliding blocks on both sides and outside the straight-line conduit, movable seats are arranged on both sides of the bottom of the installation plate and the top of the sliding blocks, and connecting rods are movably connected between the movable seats on the top and the bottom.

[0008] As the preferred scheme of the utility model, the inside of the shielding layer is filled with wave-absorbing foam material.

[0009] The technical effect of the above further scheme is that the wave-absorbing foam has excellent wave-absorbing performance, can effectively absorb electromagnetic waves in a specific frequency band, reduce the influence of electromagnetic radiation on the surrounding environment and equipment, and enhance the shielding effect by reducing the reflection and interference of electromagnetic waves.

[0010] As the preferred scheme of the utility model, the moving assembly comprises a moving groove, the moving groove is arranged on the top of the mounting plate, a threaded rod is arranged in the moving groove, and moving blocks are threadedly connected to the outer periphery of the two sides of the threaded rod.

[0011] As the preferred scheme of the utility model, a driving motor is arranged on one side of the inside of the mounting plate, and the output end of the driving motor is connected to one end of the threaded rod.

[0012] The technical effect of the above further scheme is that the threaded rod is driven to rotate by the driving motor, so that the moving blocks threadedly connected to the threaded rod move in the moving groove, the threaded rod selects a positive and negative screw rod, so that the two moving blocks are simultaneously moved inward or outward when the threaded rod rotates, the clamping plate is moved by the moving blocks, the electronic equipment installed in the electromagnetic shielding device is clamped and fixed, and the purpose of facilitating installation is achieved.

[0013] As the preferred scheme of the utility model, rubber protection pads are arranged on the inner sides of the clamping plates.

[0014] The technical effect of the above further scheme is that the rubber protection pads can isolate the direct contact between the clamping plates and the clamped objects, avoid damage to the surfaces of the clamped objects caused by excessive clamping force, and the softness of the rubber can also play a buffering role to reduce the impact and damage to the clamped objects during the clamping process.

[0015] As the preferred scheme of the utility model, second limiting sliding grooves are symmetrically arranged on the two sides of the electromagnetic shielding device body, and buffer hydraulic rods are arranged in the second limiting sliding grooves.

[0016] As the preferred scheme of the utility model, second buffer springs are sleeved on the outer periphery of the buffer hydraulic rods.

[0017] As the preferred scheme of the utility model, the mounting plates are located in the second limiting sliding grooves on the two sides and are in sliding connection with the second limiting sliding grooves.

[0018] The technical effect of the further scheme is that the electronic device is installed on the mounting plate in the electromagnetic shielding device, the second limiting sliding groove provides an accurate sliding track for the mounting plate, ensures the stability and accuracy of the mounting plate during movement, the buffer hydraulic rod absorbs energy and slows down by using the compressibility of fluid, and the second buffer spring provides additional elastic support; the two work together to effectively absorb and disperse the impact and vibration generated during installation, and prevent the electronic device from being damaged by excessive external force.

[0019] Compared with the prior art, the electromagnetic shielding device has the beneficial effects that:

[0020] 1. In the electromagnetic shielding device, the shielding layer is provided in the body shell, and wave-absorbing foam is selected for filling, which has a significant anti-interference effect, the wave-absorbing foam is a high-performance wave-absorbing material, can effectively absorb electromagnetic waves, reduce reflection and scattering of electromagnetic waves, thereby reducing electromagnetic interference, and filling the wave-absorbing foam in the electromagnetic shielding device body can further enhance the shielding effectiveness of the electromagnetic shielding device body.

[0021] 2. In the electromagnetic shielding device, the impact and vibration received by the electronic device during use can be effectively reduced by the working of the buffer damping assembly, the stability and safety of the electronic device are protected, and in addition, the resistance of the electromagnetic shielding device to external impact and vibration is effectively enhanced by the cooperation of the second limiting sliding groove, the buffer hydraulic rod and the second buffer spring, thereby protecting the normal operation of the electronic device and prolonging the service life of the electronic device. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The electromagnetic shielding device provided by the electromagnetic shielding device has the beneficial effects that:

[0023] Figure 2 The electromagnetic shielding device provided by the electromagnetic shielding device has the beneficial effects that:

[0024] Figure 3 The electromagnetic shielding device provided by the electromagnetic shielding device has the beneficial effects that:

[0025] Figure 4 The electromagnetic shielding device provided by the electromagnetic shielding device has the beneficial effects that:

[0026] Legend: 1, electromagnetic shielding device body; 101, shielding layer; 2, mounting plate; 3, moving assembly; 301, moving groove; 302, threaded rod; 303, moving block; 304, driving motor; 4, clamping plate; 401, rubber protective pad; 5, buffer damping assembly; 501, first limiting sliding groove; 502, straight line guide pipe; 503, sliding block; 504, first buffer spring; 505, movable seat; 506, connecting rod; 6, second limiting sliding groove; 601, buffer hydraulic rod; 602, second buffer spring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] In order to facilitate the understanding of the present application, the present application will be described more completely below in conjunction with the present application, and several embodiments of the present application are given. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0029] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be an intervening element between them. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element between them. The terms "vertical", "horizontal", "left", "right", and similar terms as used herein are for the purpose of illustration only.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein only for the purpose of describing specific embodiments of the present application, and is not intended to limit the present application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items. Embodiment 1

[0031] As Figures 1-4As shown, the utility model provides a technical scheme: a kind of electromagnetic shielding equipment with anti-interference function, including electromagnetic shielding equipment body 1, electromagnetic shielding equipment body 1 shell is provided with shielding layer 101, shielding layer 101 inside is filled with wave-absorbing bubble cotton material, wave-absorbing bubble cotton has excellent wave-absorbing performance, can effectively absorb the electromagnetic wave in specific frequency band, reduce the influence of electromagnetic radiation to surrounding environment and equipment, by reducing the reflection and interference of electromagnetic wave, to enhance shielding effect, electromagnetic shielding equipment body 1 inside is provided with mounting plate 2, mounting plate 2 top is provided with moving assembly 3, both sides of moving assembly 3 top are provided with clamping plate 4, moving assembly 3 includes moving groove 301, moving groove 301 is opened in mounting plate 2 top, moving groove 301 is provided with threaded rod 302, threaded rod 302 periphery both sides are screw-connected with moving block 303, one side of mounting plate 2 inside is provided with driving motor 304, driving motor 304 output end is connected with threaded rod 302 one end, by driving motor 304 work drives threaded rod 302 rotation, to make the moving block 303 for screw connection with threaded rod 302 move in moving groove 301, threaded rod 302 selects positive and negative screw rod, so while threaded rod 302 rotates, also drive two moving blocks 303 move to inside or outside simultaneously, moving block 303 drives clamping plate 4 to move, clamps and fixes electronic equipment installed in the inside of electromagnetic shielding equipment, to facilitate the purpose of installation, the inboard of clamping plate 4 is provided with rubber protection pad 401, rubber protection pad 401 can isolate the direct contact between clamping plate 4 and the clamped object, avoid that the clamping force is too large and lead to the surface of the clamped object is damaged, simultaneously, the softness of rubber can also play the role of buffering, reduce the impact and damage to the clamped object in clamping process. Example 2

[0032] As Figures 1-4 As shown, a kind of electromagnetic shielding equipment with anti-interference function, mounting plate 2 bottom and electromagnetic shielding equipment body 1 inner bottom between are provided with buffer damping assembly 5, buffer damping assembly 5 includes first limit sliding slot 501, first limit sliding slot 501 is provided with straight line conduit 502, straight line conduit 502 both sides are slidably connected with slider 503, first buffer spring 504 is arranged between the both sides slider 503 and located the periphery of straight line conduit 502, mounting plate 2 bottom both sides and both sides slider 503 top are provided with movable seat 505, and top and bottom movable seat 505 are movably connected with connecting rod 506, install electronic equipment on the mounting plate 2 in the electromagnetic shielding equipment body 1, after moving assembly 3 work makes clamping plate 4 move, it is clamped and fixed after being clamped, by the cooperation of buffer damping assembly 5;

[0033] When the electronic device is subjected to external impact or vibration, the impact force will first be transmitted to the mounting plate 2, and after the mounting plate 2 is subjected to force, it will transmit the force to the sliding block 503 through the movable seat 505 and the connecting rod 506. After the sliding block 503 is subjected to force, it will slide along the linear conduit 502 while compressing the first buffer spring 504. During the compression process, the first buffer spring 504 will absorb and store the energy of the impact or vibration. The elastic force of the spring will try to push the sliding block 503 back to the original position, thereby playing the role of shock absorption and buffering. When the external impact or vibration ends, the first buffer spring 504 will release the stored energy and push the sliding block 503 back to the original position along the linear conduit 502. The sliding block 503, movable seat 505 and connecting rod 506 will also return to the initial state, ensuring that the mounting plate 2 and the electronic device remain stable. Through the work of the buffer shock absorption assembly 5, the impact and vibration received by the electronic device during use can be effectively reduced, protecting the stability and safety of the electronic device; The electromagnetic shielding device body 1 is symmetrically provided with a second limiting sliding groove 6 on both sides, and a buffer hydraulic rod 601 is arranged inside the second limiting sliding groove 6 on both sides. The buffer hydraulic rod 601 is surrounded by a second buffer spring 602. The mounting plate 2 is located at both ends of the second limiting sliding groove 6 and is in sliding connection with it. In addition, under the cooperation of the second limiting sliding groove 6, the buffer hydraulic rod 601 and the second buffer spring 602, the resistance of the electromagnetic shielding device body 1 to external impact and vibration is effectively enhanced, thereby protecting the normal operation of the electronic device and prolonging its service life.

[0034] The utility model discloses a work flow: when using a kind of electromagnetic shielding equipment with anti-interference function, electronic equipment is installed on the mounting plate 2 in the electromagnetic shielding equipment ontology 1, and mobile assembly 3 work makes clamping plate 4 move, drive motor 304 work drives screw rod 302 rotation, to make the movement block 303 with screw rod 302 screw connection in moving groove 301 move, screw rod 302 selects positive and negative screw rod, so when screw rod 302 rotates, two movement blocks 303 will also be driven to move inwards or outwards simultaneously, clamping plate 4 is driven to move by movement block 303, and electronic equipment installed in the inside of electromagnetic shielding equipment is clamped and fixed, to facilitate the purpose of installation, after being fixed in the inside of electromagnetic shielding equipment, when electronic equipment is impacted or vibrated by outside, by the cooperation of buffer shock-absorbing assembly 5, the impact force received will first be transmitted to mounting plate 2, after mounting plate 2 is forced, force is transmitted to slider 503 by movable seat 505 and connecting rod 506, after slider 503 is forced, it slides along linear conduit 502, and first buffer spring 504 is compressed, first buffer spring 504 is compressed in the process, and the energy of impact or vibration is absorbed and stored, and the elastic force of spring will try to push slider 503 back to original position, to play the role of shock absorption and buffering, when external impact or vibration ends, first buffer spring 504 will release the energy stored, and push slider 503 back to original position along linear conduit 502, and slider 503, movable seat 505 and connecting rod 506 will also restore to initial state, to ensure that mounting plate 2 and electronic equipment remain stable, two sides in the electromagnetic shielding equipment ontology 1 are symmetrically provided with second limiting sliding groove 6, and buffer hydraulic rod 601 is arranged in the inside of two sides second limiting sliding groove 6, second buffer spring 602 is sleeved on the periphery of buffer hydraulic rod 601, and the both ends of mounting plate 2 are located in the inside of two sides second limiting sliding groove 6 and are slidably connected therewith, in addition, under the cooperation of second limiting sliding groove 6, buffer hydraulic rod 601 and second buffer spring 602, the resistance of electromagnetic shielding equipment ontology 1 to external impact and vibration is effectively enhanced, to protect the normal operation of electronic equipment and prolong its service life.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electromagnetic shielding device having an anti-interference function, comprising an electromagnetic shielding device body (1), characterized in that: The electromagnetic shielding device body (1) is provided with a shielding layer (101) in the shell, an installation plate (2) is arranged in the electromagnetic shielding device body (1), a moving assembly (3) is arranged on the top of the installation plate (2), clamping plates (4) are arranged on the top of both sides of the moving assembly (3), and a buffer damping assembly (5) is arranged between the bottom of the installation plate (2) and the inner bottom of the electromagnetic shielding device body (1). The buffer damping assembly (5) comprises a first limiting sliding groove (501), a straight guide pipe (502) is arranged in the first limiting sliding groove (501), sliding blocks (503) are slidably connected to both sides of the straight guide pipe (502), a first buffer spring (504) is arranged between the sliding blocks (503) on the two sides and outside the straight guide pipe (502), movable seats (505) are arranged on the top of the sliding blocks (503) on the two sides and the bottom of the installation plate (2), and connecting rods (506) are movably connected between the movable seats (505) on the top and the bottom.

2. The electromagnetic shielding device with anti-interference function according to claim 1, characterized in that: The shielding layer (101) is filled with wave-absorbing foam material.

3. The electromagnetic shielding device with anti-interference function according to claim 1, characterized in that: The moving assembly (3) comprises a moving groove (301), the moving groove (301) is arranged on the top of the installation plate (2), a threaded rod (302) is arranged in the moving groove (301), and moving blocks (303) are threadedly connected to the outer peripheries of both sides of the threaded rod (302).

4. The electromagnetic shielding device having an anti-interference function according to claim 1, characterized in that: A drive motor (304) is arranged on one side of the installation plate (2), and an output end of the drive motor (304) is connected with one end of the threaded rod (302).

5. The electromagnetic shielding device having an anti-interference function according to claim 1, characterized in that: Rubber protection pads (401) are arranged on the inner sides of the clamping plates (4).

6. The electromagnetic shielding apparatus having an anti-interference function according to claim 1, characterized in that: Second limiting sliding grooves (6) are symmetrically arranged on both sides in the electromagnetic shielding device body (1), and buffer hydraulic rods (601) are arranged in the second limiting sliding grooves (6) on the two sides.

7. The electromagnetic shielding device having an anti-interference function according to claim 6, characterized in that: Second buffer springs (602) are arranged on the outer peripheries of the buffer hydraulic rods (601).

8. The electromagnetic shielding device having an anti-interference function according to claim 6, characterized in that: The installation plate (2) is slidably connected with the second limiting sliding grooves (6) on the two sides.