Electromagnetic protection structure

Abstract

The utility model relates to the technical field of electromagnetic protection, in particular to an electromagnetic protection structure which comprises a frame and a metal cover, the frame is connected with the metal cover in an inserted mode, the frame comprises a frame body, limiting strip frames and embedded rubber strip sets, the limiting strip frames are arranged on the two sides of the upper side of the frame body, and the number of the embedded rubber strip sets is consistent with that of the limiting strip frames. According to the electromagnetic protection structure, on the basis of the prior art, a previous welding structure is omitted, the specific structure of the electromagnetic protection structure is improved, the frame and the metal cover are connected in an inserted mode, the structure of the frame is improved, the structure of the metal cover is improved, and the structure of the metal cover is improved. According to the radio frequency amplifier, the limiting strip frame and the embedded rubber strip in the limiting strip frame are used for being clamped with the metal cover after the radio frequency amplifier is covered with the frame body, electromagnetic protection can be achieved, the metal cover can be rapidly moved out during maintenance, and the maintenance efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic protection, in particular to an electromagnetic protection structure. Background Art

[0002] With the extensive use of electronic and electrical equipment, a large amount of electromagnetic waves will be generated. Electromagnetic waves are potential interference sources for RF amplifiers. In the past, in order to shield the battery interference of RF amplifiers, metal shells were often placed on the outside of RF amplifiers to shield the interference of electromagnetic waves. However, adding an electromagnetic protection structure will increase the thickness of the RF amplifier, which cannot meet the requirements for the thickness of the electromagnetic protection structure.

[0003] The existing Chinese utility model CN ​​201742678 U discloses a thin electromagnetic protection structure, which includes a frame structure and a metal cover structure, and the metal cover structure is provided with an elastic flange and an open hole, and solder paste is coated on the elastic flange for welding, so as to achieve the purpose of thinness;

[0004] However, during the use of this type of protective structure, it was found that when performing maintenance, the metal cover structure and the frame structure must be de-soldered before removal, which makes it inconvenient to use and easily damages the metal cover structure. Utility Model Content

[0005] The utility model aims to provide an electromagnetic protection structure, aiming to solve the problem of inconvenience in using the protection structure in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides an electromagnetic protection structure, including a frame and a metal cover, wherein the frame is plugged into the metal cover, and the frame includes a frame body, a limiting bar frame and an embedded rubber strip group, wherein the limiting bar frame is arranged on both sides of the upper side of the frame body, the number of the embedded rubber strip groups is consistent with the limiting bar frame, and the embedded rubber strip groups are all filled in the corresponding limiting bar frames, and each of the embedded rubber strip groups is also provided with a snap-in groove that fits with the metal cover, and the frame cover is arranged on the upper side of the radio frequency amplifier.

[0007] The frame is further provided with a support bar frame, which is arranged on the top of the frame body, and a gap is left between the support bar frame and the top of the radio frequency amplifier.

[0008] Wherein, the support bar frame includes a grille plate and a connecting bar, two ends of the connecting bar are respectively connected to the grille plate and the inner side wall of the frame, and the connecting bar is arranged around the grille plate.

[0009] The metal cover includes a shielding cover and a fixing protrusion, wherein the fixing protrusion is arranged at two sides below the shielding cover and the fixing protrusion is engaged with the frame body, and the shielding cover is made of metal material.

[0010] Wherein, the frame body has grooves, the grooves are arranged on both sides of the frame body, and the grooves correspond to the fixing protrusions.

[0011] An electromagnetic protection structure of the utility model, based on the existing technology, abolishes the previous welding structure, improves the specific structure of the electromagnetic protection structure, makes the frame and the metal cover plug-in, improves the frame structure, makes the frame body cover on the radio frequency amplifier, and utilizes the limit strip frame and the internal embedded rubber strip to engage with the metal cover, which can not only realize electromagnetic protection, but also can quickly remove the metal cover during maintenance, thereby improving maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is an axonometric structural schematic diagram of an electromagnetic protection structure in a locked state of the utility model.

[0014] Figure 2 The utility model is an isometric structural schematic diagram of an electromagnetic protection structure in a disassembled state.

[0015] Figure 3 The utility model is a schematic cross-sectional structure diagram of an electromagnetic protection structure.

[0016] 101-frame, 102-metal cover, 103-frame, 104-limiting bar frame, 105-embedded rubber strip group, 106-grid plate, 107-connecting bar, 108-clamping groove, 201-shielding cover, 202-fixing protrusion, 203-groove. DETAILED DESCRIPTION

[0017] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0018] First embodiment

[0019] See also Figure 1 to Figure 3 , Figure 1 It is a schematic diagram of the axonometric structure of the electromagnetic protection structure in the engaged state. Figure 2 This is an axonometric structural diagram of an electromagnetic protection structure in a disassembled state. Figure 3The present invention is a schematic diagram of the cross-sectional structure of an electromagnetic protection structure.

[0020] The utility model provides an electromagnetic protection structure, including a frame 101 and a metal cover 102, wherein the frame 101 is plugged with the metal cover 102, the frame 101 includes a frame body 103, a limiting bar frame 104 and an engaging rubber strip group 105, the frame 101 is also provided with a supporting bar frame, the supporting bar frame includes a grid plate 106 and a connecting bar 107, the limiting bar frame 104 is arranged on both sides of the upper side of the frame body 103, the number of the engaging rubber strip groups 105 is consistent with that of the limiting bar frame 104, and the engaging rubber strip groups 105 are all filled in the corresponding limiting bar frame 104, each of the engaging rubber strip groups 105 is also provided with a snap-in groove 108 that fits with the metal cover 102, and the frame body 103 is covered on the upper side of the radio frequency amplifier.

[0021] In this embodiment, the frame 101 cooperates with the metal cover 102 to achieve electromagnetic protection for the RF amplifier. The frame 103 is covered on the upper side of the RF amplifier, and a limit bar frame 104 is additionally provided for accommodating the embedded rubber strip group 105. When the embedded rubber strip group 105 is placed in the limit bar frame 104, the embedded rubber strip group 105 is provided with the snap-in groove 108. The metal cover 102 is plugged into the snap-in groove 108 to enable the frame 103 to be snap-fitted with the metal cover 102. When performing maintenance, only the frame 103 needs to be inserted into the snap-in groove 108. The metal cover 102 can be removed without destroying the frame 103, which effectively improves the maintenance efficiency. The support bar frame is used to support the bottom of the metal cover 102, and the grille plate 106 cooperates with the connecting bar 107, so that the metal cover 102 can stay on the upper side of the RF amplifier more stably. A gap is left between the support bar frame and the top of the RF amplifier to reduce the collision of the metal cover 102 with the RF amplifier when it is moved out or entered. It can be understood that the above technical solution is used to solve the problem in the prior art that the electromagnetic protection structure cannot be quickly disassembled and assembled during maintenance.

[0022] The support bar frame is arranged on the top of the frame body 103, and a gap is left between the support bar frame and the top of the radio frequency amplifier.

[0023] On the one hand, the support bar frame improves the stability of the metal cover 102 after being inserted into the embedded rubber strip group 105, and on the other hand, supports the metal cover 102 so that the metal cover 102 does not contact the RF amplifier, and a gap is left between the support bar frame and the RF amplifier to reduce the wear of the metal cover 102 and the RF amplifier.

[0024] Secondly, two ends of the connection bar 107 are respectively connected to the grid plate 106 and the inner side wall of the frame 101 , and the connection bar 107 is arranged around the grid plate 106 .

[0025] The grid plate 106 is connected by the connecting strip 107 to support the metal cover 102 , and holes are left on the grid plate 106 to facilitate subsequent maintenance work.

[0026] Second embodiment

[0027] See also Figure 2 , Figure 2 It is an axonometric structural schematic diagram of an electromagnetic protection structure in a disassembled state.

[0028] On the basis of the first embodiment, the metal cover 102 of the utility model includes a shielding cover 201 and a fixing protrusion 202, wherein the fixing protrusion 202 is arranged on both sides below the shielding cover 201, and the fixing protrusion 202 is engaged with the frame 103, and the shielding cover 201 is made of metal material;

[0029] The frame body 103 has grooves 203 , and the grooves 203 are arranged on two sides of the frame body 103 , and the grooves 203 correspond to the fixing protrusions 202 .

[0030] The shielding cover 201 is engaged with the frame 103 through the fixing protrusion 202. The frame 103 is provided with a groove 203 corresponding to the fixing protrusion 202. During installation, the fixing protrusion 202 is aligned with the groove 203, and the metal cover 102 is moved, so that the metal cover 102 can be placed on the frame 103 more stably.

[0031] An electromagnetic protection structure of the utility model improves the specific structure of the electromagnetic protection structure on the basis of the prior art, so that the frame 101 and the metal cover 102 are plugged together, and the structure of the frame 101 is improved so that after the frame body 103 is covered on the radio frequency amplifier, the limit strip frame 104 and the internal embedded rubber strip are used to engage with the metal cover 102, which can not only realize electromagnetic protection, but also can quickly remove the metal cover 102 during maintenance, thereby improving maintenance efficiency and avoiding damage to the metal cover 102 during disassembly and assembly.

[0032] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. An electromagnetic protection structure, comprising a frame and a metal cover, characterized in that: The frame is plugged into the metal cover, and the frame includes a frame body, a limiting bar frame and an interlocking rubber strip group. The limiting bar frame is arranged on both sides of the upper side of the frame body. The number of the interlocking rubber strip groups is consistent with the limiting bar frame, and the interlocking rubber strip groups are all filled in the corresponding limiting bar frames. Each of the interlocking rubber strip groups is also provided with a snap-in groove that fits with the metal cover. The frame cover is arranged on the upper side of the RF amplifier.

2. The electromagnetic protection structure according to claim 1, characterized in that: The frame is also provided with a support bar frame, which is arranged on the top of the frame body, and a gap is left between the support bar frame and the top of the radio frequency amplifier.

3. The electromagnetic protection structure according to claim 2, characterized in that: The support bar frame includes a grille plate and a connecting bar, two ends of the connecting bar are respectively connected to the grille plate and the inner side wall of the frame, and the connecting bar is arranged around the grille plate.

4. The electromagnetic protection structure according to claim 3, characterized in that: The metal cover comprises a shielding cover and a fixing protrusion, wherein the fixing protrusion is arranged on both sides of the lower side of the shielding cover and is engaged with the frame body, and the shielding cover is made of metal material.

5. The electromagnetic protection structure according to claim 4, characterized in that: The frame body has grooves, which are arranged on both sides of the frame body and correspond to the fixing protrusions.

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