Electromagnetic shielding film

Abstract

The present invention discloses an electromagnetic shielding film, comprising an electromagnetic shielding film body, a through hole, a scale line, an oil paper layer, a conductive glue layer, a conductive cloth layer, a non-woven fabric base layer, a heat insulation layer, a flame retardant, a polyvinyl chloride layer, a groove, an air vent and negative ion powder. Through holes are provided on both sides of the electromagnetic shielding film body. The present invention has a scientific and reasonable structure and is safe and convenient to use. When pasting the electromagnetic shielding film body, the staff can discharge the air remaining in the electromagnetic shielding film body through the through holes, which is convenient for the staff to operate. After the air is discharged, the two sides of the electromagnetic shielding film body can be cut and removed along the scale line. The non-woven fabric base layer effectively improves the tear resistance of the electromagnetic shielding film body and prevents the staff from damaging the electromagnetic shielding film body due to excessive force during the pasting process. The polyvinyl chloride layer is not easy to adhere to dust, which effectively facilitates the staff to clean the surface of the electromagnetic shielding film body.

Description

Technical Field

[0001] The invention relates to the technical field of electromagnetic shielding, in particular to an electromagnetic shielding film. Background Art

[0002] Electromagnetic shielding means that an electronic device neither interferes with other devices nor is affected by other devices. Electromagnetic compatibility, like the safety we are familiar with, is one of the most important indicators of product quality. Safety involves personal and property protection, while electromagnetic compatibility involves personal and environmental protection.

[0003] However, the electromagnetic shielding films currently on the market are not only complex in structure but also single in function. In the existing electromagnetic shielding film technology, it is not convenient for workers to expel bubbles during the pasting process of the electromagnetic shielding film. The electromagnetic shielding film is easily torn and damaged during the pasting process. The surface of the electromagnetic shielding film is not easy to clean and cannot effectively purify the air. Summary of the invention

[0004] The object of the present invention is to provide an electromagnetic shielding film to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an electromagnetic shielding film of the present invention comprises an electromagnetic shielding film body, through holes, scale lines, an oil paper layer, a conductive glue layer, a conductive cloth layer, a non-woven fabric base layer, a heat insulation layer, a flame retardant, an aluminum-magnesium alloy hard mesh, a shielding layer, an ink insulation layer, an aluminum foil anti-corrosion layer, a bamboo charcoal layer, a nano ultraviolet light protective film, a printing layer, a polyvinyl chloride layer, grooves, air holes and negative ion powder, through holes are provided on both sides of the electromagnetic shielding film body, scale lines are provided on both sides of the electromagnetic shielding film body, a conductive cloth layer is provided at the bottom of the electromagnetic shielding film body, a groove is provided at the bottom of the conductive cloth layer, a conductive glue layer is smeared on the bottom of the conductive cloth layer, and an oil paper layer is provided at the bottom of the conductive glue layer. A non-woven fabric base layer is sewn on the top of the conductive cloth layer, a heat insulation layer is arranged on the top of the non-woven fabric base layer, an aluminum-magnesium alloy hard mesh is installed on the top of the heat insulation layer, a flame retardant is filled between the aluminum-magnesium alloy hard mesh and the heat insulation layer, a shielding layer is arranged on the top of the aluminum-magnesium alloy hard mesh, an ink insulation layer is arranged on the top of the shielding layer, an aluminum foil anti-corrosion layer is arranged on the top of the ink insulation layer, a bamboo charcoal layer is installed on the top of the aluminum foil anti-corrosion layer, a nano ultraviolet light protective film is bonded to the top of the bamboo charcoal layer, a printing layer is arranged on the outside of the nano ultraviolet light protective film, a polyvinyl chloride layer is coated on the top of the printing layer, an air hole is opened on the outside of the electromagnetic shielding film body, and the other end of the air hole is connected to the bamboo charcoal layer, and negative ion powder is coated on the outside of the bamboo charcoal layer.

[0006] Preferably, the aluminum-magnesium alloy hard mesh is connected to the shielding layer by sewing.

[0007] Preferably, the diameter of the negative ion powder is 0.05-0.12 mm.

[0008] Preferably, the bonding strength of the conductive glue layer is 1.2 to 3.5 kg / 25 mm.

[0009] Preferably, the non-woven fabric base layer is a component made of polypropylene resin material.

[0010] Preferably, the number of the through holes is 4.

[0011] Compared with the prior art, the present invention has the following beneficial effects: the present invention has a scientific and reasonable structure, is safe and convenient to use, and the staff can discharge the air remaining in the electromagnetic shielding film body through the through holes when pasting the electromagnetic shielding film body, which is convenient for the staff to operate; after the air is discharged, the two sides of the electromagnetic shielding film body can be cut and removed along the scale line; the non-woven fabric base layer effectively improves the tear resistance of the electromagnetic shielding film body, and prevents the electromagnetic shielding film body from being damaged due to excessive force during the pasting process; the polyvinyl chloride layer is not easy to adhere to dust, which effectively facilitates the staff to clean the surface of the electromagnetic shielding film body; air enters the interior of the electromagnetic shielding film body from the air holes, the bamboo charcoal layer purifies the air, absorbs harmful substances in the air, and the negative ion powder releases negative ions through the air holes to improve the air quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0013] Figure 2 It is a schematic diagram of the installation structure of the non-woven fabric base layer of the present invention;

[0014] Figure 3 It is a schematic diagram of the groove installation structure of the present invention;

[0015] Figure 4 It is a schematic diagram of the ventilation hole installation structure of the present invention;

[0016] Figure 5 It is a schematic diagram of the installation structure of the negative ion powder of the present invention;

[0017] In the figure: 1 electromagnetic shielding film body, 2 through hole, 3 scale line, 4 oil paper layer, 5 conductive glue layer, 6 conductive cloth layer, 7 non-woven fabric base layer, 8 thermal insulation layer, 9 flame retardant, 10 aluminum-magnesium alloy hard mesh, 11 shielding layer, 12 ink insulation layer, 13 aluminum foil anti-corrosion layer, 14 bamboo charcoal layer, 15 nanometer ultraviolet light protective film, 16 printing layer, 17 polyvinyl chloride layer, 18 grooves, 19 air holes, 20 negative ion powder. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0019] Example

[0020] like Figure 1-5 As shown, an electromagnetic shielding film of the present invention comprises an electromagnetic shielding film body 1, a through hole 2, a scale line 3, an oil paper layer 4, a conductive glue layer 5, a conductive cloth layer 6, a non-woven fabric base layer 7, a heat insulation layer 8, a flame retardant 9, an aluminum-magnesium alloy hard mesh 10, a shielding layer 11, an ink insulation layer 12, an aluminum foil anticorrosive layer 13, a bamboo charcoal layer 14, a nano ultraviolet light protective film 15, a printing layer 16, a polyvinyl chloride layer 17, a groove 18, a vent 19 and a negative ion powder 20, through holes 2 are provided on both sides of the electromagnetic shielding film body 1, scale lines 3 are provided on both sides of the electromagnetic shielding film body 1, a conductive cloth layer 6 is provided at the bottom of the electromagnetic shielding film body 1, a groove 18 is provided at the bottom of the conductive cloth layer 6, a conductive glue layer 5 is smeared on the bottom of the conductive cloth layer 6, an oil paper layer 4 is provided at the bottom of the conductive glue layer 5, and a conductive cloth layer 6 is sewn with a non-woven fabric base layer 7 at the top, a heat insulation layer 8 is arranged at the top of the non-woven fabric base layer 7, an aluminum-magnesium alloy hard mesh 10 is installed at the top of the heat insulation layer 8, a flame retardant 9 is filled between the aluminum-magnesium alloy hard mesh 10 and the heat insulation layer 8, a shielding layer 11 is arranged at the top of the aluminum-magnesium alloy hard mesh 10, an ink insulation layer 12 is arranged at the top of the shielding layer 11, an aluminum foil anti-corrosion layer 13 is arranged at the top of the ink insulation layer 12, a bamboo charcoal layer 14 is installed at the top of the aluminum foil anti-corrosion layer 13, a nanometer ultraviolet light protective film 15 is bonded to the top of the bamboo charcoal layer 14, a printing layer 16 is arranged on the outside of the nanometer ultraviolet light protective film 15, a polyvinyl chloride layer 17 is coated on the top of the printing layer 16, an air hole 19 is opened on the outside of the electromagnetic shielding film body 1, and the other end of the air hole 19 is connected to the bamboo charcoal layer 14, and the outside of the bamboo charcoal layer 14 is coated with negative ion powder 20.

[0021] In order to better tightly combine the aluminum-magnesium alloy hard mesh 10 and the shielding layer 11, the aluminum-magnesium alloy hard mesh 10 and the shielding layer 11 are sutured and connected.

[0022] In order to better realize the negative ion powder 20 to discharge negative ions, the diameter of the negative ion powder 20 is 0.05-0.12 mm.

[0023] In order to make the electromagnetic shielding film body 1 more firmly adhered, the bonding strength of the conductive glue layer 5 is 1.2-3.5 kg / 25 mm.

[0024] In order to better improve the strength and tear resistance of the non-woven fabric base layer 7, the non-woven fabric base layer 7 is a component made of polypropylene resin.

[0025] In order to better facilitate the discharge of internal air from the electromagnetic shielding film body 1 during installation, the number of the through holes 2 is four.

[0026] The working principle and use process of the present invention: through holes 2 are provided on both sides of the electromagnetic shielding film body 1, and scale lines 3 are provided on both sides of the electromagnetic shielding film body 1. When the staff pastes the electromagnetic shielding film body 1, the air remaining in the electromagnetic shielding film body 1 during pasting can be discharged through the through holes 2, which is convenient for the staff to operate. After the air is discharged, the two sides of the electromagnetic shielding film body 1 can be cut and removed along the scale lines 3. A conductive cloth layer 6 is provided at the bottom of the electromagnetic shielding film body 1, and a groove 18 is provided at the bottom of the conductive cloth layer 6. A conductive glue layer 5 is smeared on the bottom of the conductive cloth layer 6, and an oil paper layer 4 is provided at the bottom of the conductive glue layer 5. The oil paper layer 4 is torn off to electrically The magnetic shielding film body 1 is bonded, and the conductive glue layer 5 is filled in the groove 18 to increase the contact area during bonding and increase stability. A non-woven fabric base layer 7 is sewn on the top of the conductive cloth layer 6, and a thermal insulation layer 8 is arranged on the top of the non-woven fabric base layer 7. An aluminum-magnesium alloy hard mesh 10 is installed on the top of the thermal insulation layer 8. The non-woven fabric base layer 7 effectively improves the tear resistance of the electromagnetic shielding film body 1 to prevent the electromagnetic shielding film body 1 from being damaged due to excessive force applied by the staff during the pasting process. The thermal insulation layer 8 is made of a mixture of nano-antimony tin oxide and nano-indium tin oxide, which effectively makes the electromagnetic shielding film body 1 have a certain thermal insulation effect. The aluminum-magnesium alloy hard mesh 10 improves The hardness of the electromagnetic shielding film body 1 is improved and the pasting place is protected. A shielding layer 11 is arranged on the top of the aluminum-magnesium alloy hard mesh 10, an ink insulating layer 12 is arranged on the top of the shielding layer 11, and an aluminum foil anti-corrosion layer 13 is arranged on the top of the ink insulating layer 12. The shielding layer 11 is woven from lead wire, which saves cost. The ink insulating layer 12 is a high-temperature resistant ink, which provides a good insulation effect and protects the privacy of the electromagnetic shielding film body 1. A bamboo charcoal layer 14 is installed on the top of the aluminum foil anti-corrosion layer 13, and a nano-ultraviolet protective film 15 is bonded to the top of the bamboo charcoal layer 14. A printing layer 16 is arranged on the outside of the nano-ultraviolet protective film 15, and the top of the printing layer 16 is coated with A polyvinyl chloride layer 17 is applied, and an air hole 19 is opened on the outside of the electromagnetic shielding membrane body 1, and the other end of the air hole 19 is connected to the bamboo charcoal layer 14. The outside of the bamboo charcoal layer 14 is coated with negative ion powder 20, and the nano ultraviolet light protective film 15 effectively blocks ultraviolet rays and reduces ultraviolet radiation. The polyvinyl chloride layer 17 is not easy to stick to dust, which effectively facilitates the staff to clean the surface of the electromagnetic shielding membrane body 1. The air enters the electromagnetic shielding membrane body 1 from the air hole 19, the bamboo charcoal layer 14 purifies the air and absorbs harmful substances in the air. The negative ion powder 20 releases negative ions through the air hole 19 to improve the quality of the air.

[0027] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An electromagnetic shielding film, comprising an electromagnetic shielding film body (1), a through hole (2), a scale line (3), an oil paper layer (4), a conductive glue layer (5), a conductive cloth layer (6), a non-woven fabric base layer (7), a heat insulation layer (8), a flame retardant (9), an aluminum-magnesium alloy hard mesh (10), a shielding layer (11), an ink insulation layer (12), an aluminum foil anticorrosive layer (13), a bamboo charcoal layer (14), a nano ultraviolet protective film (15), a printing layer (16), a polyvinyl chloride layer (17), a groove (18), a vent hole (19) and a negative ion powder (20), characterized in that: Through holes (2) are provided on both sides of the electromagnetic shielding membrane body (1), scale lines (3) are provided on both sides of the electromagnetic shielding membrane body (1), a conductive cloth layer (6) is provided at the bottom of the electromagnetic shielding membrane body (1), a groove (18) is provided at the bottom of the conductive cloth layer (6), a conductive glue layer (5) is applied to the bottom of the conductive cloth layer (6), an oil paper layer (4) is provided at the bottom of the conductive glue layer (5), a non-woven fabric base layer (7) is sewn to the top of the conductive cloth layer (6), a heat insulation layer (8) is provided at the top of the non-woven fabric base layer (7), an aluminum-magnesium alloy hard mesh (10) is installed at the top of the heat insulation layer (8), a flame retardant (9) is filled between the aluminum-magnesium alloy hard mesh (10) and the heat insulation layer (8), and a flame retardant (9) is provided at the top of the aluminum-magnesium alloy hard mesh (10). A shielding layer (11), wherein an ink insulating layer (12) is arranged on the top of the shielding layer (11), an aluminum foil anti-corrosion layer (13) is arranged on the top of the ink insulating layer (12), a bamboo charcoal layer (14) is installed on the top of the aluminum foil anti-corrosion layer (13), a nano ultraviolet light protective film (15) is bonded to the top of the bamboo charcoal layer (14), a printing layer (16) is arranged on the outside of the nano ultraviolet light protective film (15), a polyvinyl chloride layer (17) is coated on the top of the printing layer (16), an air hole (19) is opened on the outside of the electromagnetic shielding film body (1), and the other end of the air hole (19) is connected to the bamboo charcoal layer (14), and the outside of the bamboo charcoal layer (14) is coated with negative ion powder (20); the diameter of the negative ion powder (20) is 0.05-0.12mm.

2. The electromagnetic shielding film according to claim 1, characterized in that: The aluminum-magnesium alloy hard mesh (10) and the shielding layer (11) are connected by sewing.

3. The electromagnetic shielding film according to claim 1, characterized in that: The bonding strength of the conductive glue layer (5) is 1.2-3.5 kg / 25 mm.

4. The electromagnetic shielding film according to claim 1, characterized in that: The non-woven fabric base layer (7) is a component made of polypropylene resin.

5. The electromagnetic shielding film according to claim 1, characterized in that: The number of the through holes (2) is 4.

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