TWM633706U - EMI elimination license plate components - Google Patents

Abstract

A license plate assembly for eliminating electromagnetic interference, comprising: a lower supporting piece, a magnetic piece made of a multi-layer structure, an upper supporting piece, and a top shell; wherein the lower supporting piece can be covered with the top shell to form a The accommodating space, and the magnetic sheet and the upper supporting sheet are arranged in the accommodating space. The lower supporting sheet is a rectangular metal sheet, the magnetic sheet is a rectangular magnetic sheet and is made of a multi-layer structure, the top case includes a ring side wall and a rectangular top plate connected to each other, the ring side wall is ringed on the The outer edge of the rectangular top plate. The magnetic sheet is also provided with an oblong hole, and the rectangular top plate is also provided with an oblong hole. A middle supporting sheet is an oblong metal sheet, and the middle supporting sheet is also provided with an oblong hole, wherein the oblong hole of the magnetic sheet can accommodate and fix the middle supporting sheet.

Description

EMI Elimination License Plate Components

The present invention relates to a component for eliminating electromagnetic interference, in particular to a license plate component for eliminating electromagnetic interference.

When an existing vehicle is running, its car shell is usually not connected to the ground, so static electricity is usually generated on the car shell of the running vehicle. The existing urban environment is full of many electromagnetic waves, such as broadcasting, mobile devices, wireless communication signals related to base stations, and GPS signals, so the car shell itself will also receive many external electromagnetic waves. Both the static electricity carried by the car shell and the electromagnetic waves received by the car shell may interfere with the running vehicle, causing adverse effects and reducing the operating efficiency of the vehicle. Therefore, how to reduce the interference of static electricity and electromagnetic waves to vehicle operation so as to improve the efficiency of vehicle running has its demand.

In order to reduce the interference of existing static electricity and electromagnetic waves on vehicle operation and improve the efficiency of vehicle driving, this new model provides a license plate assembly that eliminates electromagnetic interference, which includes: a support piece arranged in sequence, and the support piece is made of metal; A magnetic sheet is composed of a multilayer structure, the multilayer structure includes at least one layer of permanent magnetic material and at least one conductive layer; an upper support sheet, the upper support sheet is made of metal; and a top shell; wherein the The lower supporting piece can be covered with the top shell to form an accommodating space, and the magnetic piece and the upper supporting piece are arranged in the accommodating space.

Preferably, the lower supporting sheet is a rectangular metal sheet, the magnetic sheet is a rectangular magnetic sheet, and an oblong hole is arranged in the center of the magnetic sheet to pass through the magnetic sheet; the upper supporting sheet is a rectangular metal sheet. The top shell is composed of a ring side wall and a rectangular top plate connected to each other, and the ring side wall is arranged on the outer edge of the rectangular top plate.

Preferably, the electromagnetic interference elimination license plate assembly further includes: a middle support piece, which is an oblong metal piece, and an oblong hole is arranged in the center of the middle support piece to pass through the middle support piece; wherein the middle support piece The sheet system can be fixedly accommodated in the oblong hole of the magnetic sheet, so that the middle support sheet and the magnetic sheet are integrated, and the accommodating space can accommodate the combined middle support sheet and the magnetic sheet, and the combination The latter supporting sheet and the magnetic sheet are between the lower supporting sheet and the upper supporting sheet.

Preferably, the magnetic sheet further comprises: a first structural layer, which is an antistatic cloth, a conductive cloth or an anti-electromagnetic wave cloth with conductivity; a second structural layer, which is a double-sided adhesive, And the double-sided adhesive is composed of a layer of PVC glue, a layer of polyethylene film (PE film), and a layer of polyurethane glue (PU glue); a third structural layer, which is composed of magnetic powder and rubber ; and a fourth structural layer, which is a PVC film with surface bronzing.

When the electromagnetic interference elimination license plate assembly is fixed between a license plate and a vehicle body by means of the above technical means, the interference of static electricity and electromagnetic waves to the operation of the vehicle can be reduced, and the purpose of the present invention can be achieved.

1: License plate square magnetic guide

10:PVC film

101: oblong hole

11: Lower support piece

111: oblong hole

12: Middle support piece

121: oblong hole

13: Disk

131: oblong hole

132: The first structural layer

133:Second structure layer

134: The third structural layer

135: The fourth structural layer

14: Upper support piece

141: oblong hole

15: Top shell

151: ring side wall

152: Rectangular top plate

153: inner surface

154: Outer surface

155: oblong hole

156: Flange

16: Fixed oblong hole

6: License plate flat cone magnetic guide

61:PVC film

611: round hole

62: Lower support piece

621: round hole

63: Disk

631: round hole

632: The first structural layer

633:Second structure layer

634: The third structure layer

635: The fourth structural layer

64: upper support piece

641: round hole

65: flat conical top shell

651: flat cone

6511: Outer cone

6512: flat top surface

6513: Bottom

6514: The first round hole

6515: Flange

6516: Second round hole

652: ring side

6521: outer ring

6522: inner ring

6523:Accommodating space

66: support ring

661: round hole

Fig. 1 is the perspective view of the first embodiment of the present invention.

Fig. 2 is an exploded perspective view of the first embodiment of the present invention.

Fig. 3 is a sectional side view of the first embodiment of the present invention.

Fig. 4 is the three-dimensional appearance diagram of the second implementation of the present invention.

Fig. 5 is an exploded perspective view of the second embodiment of the present invention.

Fig. 6 is a sectional side view of the second embodiment of the present invention.

In order to understand the technical features and practical effects of the present invention in detail, and to realize them according to the contents of the manual, the preferred embodiment shown in the figure is further described in detail as follows:

The first embodiment of the electromagnetic interference elimination license plate assembly proposed by the present invention is shown in FIGS. The license plate square magnetic guide 1 consists of a polyvinyl chloride resin film (hereinafter referred to as PVC film) 10, a lower support piece 11, a middle support piece 12, a magnetic piece 13, an upper support piece 14, and a top case 15. .

The top shell 15 is a rectangular top shell with a rectangular top plate 152 and a ring side wall 151 vertically connected along the periphery of the rectangular top plate 152 . The rectangular top plate 152 has an inner surface 153 and an outer surface 154. The center of the rectangular top plate 152 is also provided with an oblong hole 155 passing through the rectangular top plate 152. On the outer edge of the inner surface 153 , the ring side wall 151 and the inner surface 153 of the rectangular top plate 152 form an accommodating space. A flange 156 is disposed at the intersection of the oblong hole 155 of the rectangular top plate 152 and the outer surface 154 .

The upper support piece 14 is a rectangular metal sheet, and the center of the upper support piece 14 is provided with an oblong hole 141 , and the four corners of the rectangle of the upper support piece 14 are all rounded. The upper supporting piece 14 can be fixedly accommodated in the accommodating space of the top shell 15 and adjacent to the inner surface 153 of the rectangular top plate 152 .

The magnetic sheet 13 is a rectangular magnetic sheet. The magnetic sheet 13 has a multi-layer structure. An oblong hole 131 is arranged in the center of the magnetic sheet 13. The four corners of the rectangular shape of the magnetic sheet 13 are all rounded.

The middle support piece 12 is an oblong metal sheet, and the center of the middle support piece 12 is provided with an oblong hole 121, and the middle support piece 12 can be fixedly accommodated in the oblong hole 131 of the magnetic piece 13, and with In this way, the middle supporting piece 12 and the magnetic piece 13 are combined into one, and the combined middle supporting piece 12 and the magnetic piece 13 can be fixedly accommodated in the accommodation space of the top case 15, and Adjacent to the upper support piece 14 .

The lower support piece 11 is a rectangular metal sheet, and the center of the lower support piece 11 is provided with an oblong hole 111. The four corners of the rectangle of the lower support piece 11 are all rounded corners. It is placed in the accommodating space of the top shell 15 and adjacent to the integrated middle supporting piece 12 and the magnetic piece 13 .

The PVC film 10 is a bronzing PVC film, and the center of the PVC film 10 is provided with an oblong hole 101. The PVC film 10 is attached to an outer surface of the lower supporting sheet 11, so the PVC film 10 is facing the outside. And the PVC film 10 is approximately flush with the ring side wall 151 .

When the top case 15, the upper support sheet 14, the magnetic sheet 13, the middle support sheet 12, the lower support sheet 11, and the PVC film 10 were combined into the license plate square magnetic guide 1, the top case 15 The oblong hole 155, the oblong hole 141 of the upper supporting sheet 14, the oblong hole 121 of the middle supporting sheet 12, the oblong hole 111 of the lower supporting sheet 11, and the oblong hole 101 of the PVC film 10 form a fixed oblong hole together 16, so that at least one screw passes through the fixed oblong hole 16 and the license plate square magnetic guide 1 is fixedly locked between a license plate and a car body. At this time, the PVC film 10 is facing the car body, and the rectangular top plate 152 The flange of the 156 series faces the license plate.

The multilayer structure of the magnetic sheet 13 includes: a first to a fourth structural layer 132-135, in the assembled square magnetic guide plate 1, the first structural layer 132 is connected with the surface of the lower supporting sheet 11 In contact, the fourth structural layer 135 is in contact with the surface of the upper supporting sheet 14 . Wherein, the first structural layer 132 is an antistatic cloth, conductive cloth or anti-electromagnetic wave cloth, and the second structural layer 133 is a double-sided adhesive tape consisting of a layer of PVC glue and a layer of polyethylene film (hereinafter referred to as PE film), and a layer of polyurethane glue (hereinafter referred to as PU glue) are laminated together. The third structural layer 134 is a magnetic powder sheet made of magnetic powder and rubber. The fourth structural layer 135 is a surface bronzing PVC film. Wherein the magnetic powder is composed of permanent magnetic substances, such as, but not limited to: ferromagnetic metals, ferrite magnets, alnico magnets, rare earth magnets, samarium cobalt magnets and neodymium magnets.

Generally, when a license plate is fixed on a vehicle body, a screw is used to pass through the fixing hole of the license plate to fix the license plate on the vehicle body. Similarly, a screw can be passed through the fixing hole of the license plate at the same time. With the fixed oblong hole 16 of the license plate square magnetic guide 1, the license plate square magnetic guide 1 is fixed between the license plate and the vehicle body, and now the license plate square magnetic guide 1 is attached to the vehicle body, In this way, the license plate square magnetic guide 1 can filter the noise generated by static electricity and electromagnetic waves on the vehicle body, and can reduce the interference of the noise on the operation of the vehicle, thereby achieving the purpose of the present invention.

The second embodiment of the electromagnetic interference elimination license plate assembly proposed by the present invention is shown in FIGS. This license plate flat cone magnetic guide 6 series comprises a polyvinyl chloride resin film (hereinafter referred to as PVC film) 61, a support sheet 62, a magnetic sheet 63, an upper support sheet 64, and a flat cone top shell 65, and a support Ring 66.

The PVC film 61 is a circular film, the central part of the PVC film 61 is provided with a round hole 611, the lower supporting sheet 62 is a disc-shaped metal sheet, and the central part of the lower supporting sheet 62 is provided with a round hole 621, The PVC film 61 is attached to a surface of the lower supporting sheet 62. The magnetic sheet 63 is a multi-layer structure of a disc body. A circular hole 631 is arranged in the center of the magnetic sheet 63. The upper supporting sheet 64 is a round hole. As for the disc-shaped metal sheet, a circular hole 641 is arranged in the center of the upper supporting sheet 64 .

The flat cone top shell 65 has a flat cone portion 651 and a ring side portion 652, the flat cone portion 651 is a flat top cone, the flat cone portion 651 has an outer cone surface 6511, a flat top surface 6512, and a bottom surface 6513 The ring side portion 652 is arranged on the periphery of the bottom surface 6513 of the flat cone portion 651 and vertically connected to it along the periphery of the bottom surface 6513, the ring side portion 652 has an outer ring surface 6521 and an inner ring surface 6522, The flat top surface 6512 of the flat cone portion 651 is provided with a first circular hole 6514 passing through the flat cone top shell 65, and the ring where the first circular hole 6514 of the flat cone portion 651 is connected to the bottom surface 6513 is provided with a flange 6515. , the flange 6515 of the flat cone portion 651 forms a second round hole 6516 which communicates with the first round hole 6514 . The support ring 66 is a metal cylinder, the center of the support ring 66 is provided with a circular hole 661, the support ring 66 is fixed in the second circular hole 6516 of the flat cone portion 651, the circular hole of the support ring 66 661 communicates with the first circular hole 6514 of the flat cone portion 651 .

The bottom surface 6513 of the flat cone portion 651 and the inner ring surface 6522 of the ring side portion 652 form an accommodating space 6523 . When the PVC film 61, the lower support sheet 62, the magnetic sheet 63, the upper support sheet 64, the flat cone top shell 65, and the support ring 66 were combined into the license plate flat cone magnetic guide 6, the upper The supporting sheet 64, the magnetic sheet 63, the lower supporting sheet 62, and the PVC film 61 are sequentially arranged and accommodated in the accommodating space 6523 of the flat cone top case 65. At this time, the PVC film 61 is approximately the same as the The ring side portion 652 of the flat cone portion 651 is flush, and the round hole 611 of the PVC film 61, the round hole 621 of the lower supporting sheet 62, the round hole 631 of the magnetic sheet 63, and the round hole 641 of the upper supporting sheet 64 , the round hole 661 of the support ring 66 and the first round hole 6514 of the flat cone portion 651 are all communicated to accommodate a screw together to lock the license plate flat cone magnetic guide 6 and a license plate together. On the car body, the license plate is now between the license plate flat cone magnetic guide 6 and the car body, and the lower support sheet 62 of the PVC film 61 is attached in the license plate flat cone magnetic guide 6 contact with the surface of the license plate.

The multilayer structure of the magnetic sheet 63 includes: a first to a fourth structural layer 632 ~ 635, in the assembled plate flat cone magnetic guide 6, the first structural layer 632 is connected with the lower supporting sheet 62 In surface contact, the fourth structural layer 635 is in contact with the surface of the upper support sheet 64 . Wherein, the materials of the first to fourth structural layers 632~635 of the magnetic sheet 63 are respectively the same as the materials of the corresponding first to fourth structural layers 132~135 of the magnetic sheet 13 of the first embodiment. , that is, the first structural layer 632 is an antistatic cloth, conductive cloth or anti-electromagnetic wave cloth, and the second structural layer 633 is a double-sided adhesive tape composed of one layer of PVC glue and one layer of polyethylene film (hereinafter PE film for short) and a layer of polyurethane glue (hereinafter referred to as PU glue) are laminated together. The third structural layer 634 is a magnetic powder sheet composed of magnetic powder and rubber. PVC film.

In this embodiment, a screw can pass through the fixing hole of a license plate and the flat cone magnetic guide 6 of the license plate at the same time to fix the license plate between the flat cone magnetic guide 6 of the license plate and a vehicle body. The license plate flat cone magnetic guide 6 is attached to the car body, so that the license plate flat cone magnetic guide 6 can filter the noise generated by static electricity and electromagnetic waves on the car body, and can reduce the noise. The interference to the operation of the vehicle achieves the purpose of the present invention.

10:PVC film

101: oblong hole

11: Lower support piece

111: oblong hole

12: Middle support piece

121: oblong hole

13: Disk

131: oblong hole

14: Upper support piece

141: oblong hole

15: Top shell

151: ring side wall

152: Rectangular top plate

153: inner surface

155: oblong hole

Claims (8)

A license plate assembly for eliminating electromagnetic interference, which includes sequentially arranged: The lower support piece, the lower support piece is made of metal; A magnetic sheet consisting of a multilayer structure comprising at least one layer of permanent magnetic material and at least one conductive layer; an upper support piece, the upper support piece is made of metal; and a top shell; The lower supporting piece can be covered with the top case to form an accommodating space, and the magnetic piece and the upper supporting piece are arranged in the accommodating space. Elimination of electromagnetic interference license plate assembly as described in claim 1, wherein The lower supporting sheet is a rectangular metal sheet; The magnetic sheet is a rectangular magnetic sheet, and an oblong hole is arranged in the center of the magnetic sheet to run through the magnetic sheet; The upper supporting sheet is a rectangular metal sheet; The top case includes a ring side wall and a rectangular top plate which are connected to each other, and the ring side wall is arranged on the outer edge of the rectangular top plate. Elimination of electromagnetic interference license plate assembly as described in claim 1, which further includes: A middle support piece is an oblong metal piece, and a long hole is arranged in the center of the middle support piece through the middle support piece; The middle supporting piece can be fixedly accommodated in an oblong hole of the magnetic piece, so that the middle supporting piece and the magnetic piece are integrated, and the accommodating space can accommodate the combined middle supporting piece and the magnetic piece. sheet, and the combined support sheet and the magnetic sheet are interposed between the lower support sheet and the upper support sheet. The electromagnetic interference elimination license plate assembly as described in claim 1, wherein the magnetic sheet further includes: A first structural layer, which is an antistatic cloth, a conductive cloth or an anti-electromagnetic wave cloth with conductivity; A second structural layer, which is a double-sided adhesive tape; a third structural layer, which is composed of magnetic powder and rubber; and A fourth structural layer, which is a PVC film with surface bronzing. The electromagnetic interference elimination license plate assembly as described in claim 1, wherein an outer surface of the lower supporting sheet is further attached with a hot stamping PVC film. The plate assembly for eliminating electromagnetic interference as described in claim 1, wherein: The lower supporting sheet is a disc-shaped metal sheet; The magnetic sheet is a disc-shaped multi-layer structure; The upper supporting sheet is a disc-shaped metal sheet; The top shell system includes a flat cone portion and a ring side connected to each other. The flat cone portion is a flat top cone with an outer cone surface, a flat top surface, and a bottom surface. The ring side portion is arranged on the ring. The outer edge of the base of the flat cone. Elimination of electromagnetic interference license plate assembly as described in claim 6, wherein The lower supporting piece is also provided with a circular hole passing through the lower supporting piece; The magnetic sheet is also provided with a circular hole passing through the magnetic sheet; The flat cone portion of the top shell is also provided with a first circular hole passing through the bottom; A flange is formed around the connection between the first circular hole at the bottom of the flat cone portion of the top case and the bottom surface, and the flange forms a second circular hole which communicates with the first circular hole. The plate assembly for eliminating electromagnetic interference as described in claim 7 further includes: A support ring is a metal cylinder, and the support ring is also provided with a round hole; The supporting ring is fixedly arranged in the second circular hole of the flat cone portion of the top shell.

Images