High transmission RFID vehicle management tag

Abstract

The utility model discloses a high-transmittance RFID (Radio Frequency Identification) vehicle management tag, which belongs to the technical field of electronic tags and comprises a base layer, an adhesive layer, a PET (Polyethylene Terephthalate) film and release paper. The base layer is made of transparent materials, a first aluminum foil antenna is arranged in the middle of the base layer, two second aluminum foil antennas are arranged on the left and right sides of the first aluminum foil antenna, and light-transmitting areas are arranged in the middles of the second aluminum foil antennas. An RFID chip is arranged in the middle of the first aluminum foil antenna, the first aluminum foil antenna and the second aluminum foil antenna are both connected with the RFID chip, and ultraviolet shielding films are arranged on the upper side and the lower side of the RFID chip. The adhesive layer is made of a transparent material and comprises a first adhesive layer and a second adhesive layer, the first adhesive layer is connected with the upper surface of the base layer, and the second adhesive layer is connected with the lower surface of the base layer. And the PET film is a transparent film and is connected with the upper surface of the first adhesive layer. The release paper is connected with the lower surface of the second adhesive layer. The electronic vehicle management label solves the problem that an existing electronic vehicle management label is poor in light transmission.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic tags, in particular to a high-transmittance RFID vehicle management tag. Background Art

[0002] A vehicle management tag is a piece of identification with specific information, typically in the form of a sticker, card, or electronic tag. With technological advancements, electronic tags are becoming increasingly popular in vehicle management. These tags utilize radio frequency identification (RFID) technology, containing a chip and antenna that can store a large amount of information and can be read by a reader within a certain distance.

[0003] Currently, electronic vehicle management tags are typically placed on the windshield, but in special circumstances, they are also placed on headlights. Conventional electronic vehicle management tags have blocky antennas with poor light transmittance. Placing them on headlights can obscure the light, while placing them on glass can obscure the light. Therefore, improvements to existing technology are necessary. Utility Model Content

[0004] The utility model provides a high-transmittance RFID vehicle management tag to solve the problem of poor light transmittance of existing electronic vehicle management tags.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present utility model is:

[0006] High-transmittance RFID vehicle management tag, including:

[0007] The base layer is made of a transparent material, with a first aluminum foil antenna disposed in the center, two symmetrical second aluminum foil antennas disposed on the left and right sides of the first aluminum foil antenna, and a light-transmitting area disposed in the center of the second aluminum foil antenna; an RFID chip is disposed in the center of the first aluminum foil antenna, the first and second aluminum foil antennas are both connected to the RFID chip, and ultraviolet shielding films are disposed on the upper and lower sides of the RFID chip;

[0008] The adhesive layer is made of a transparent material and includes a first adhesive layer and a second adhesive layer symmetrically arranged above and below, wherein the first adhesive layer is connected to the upper surface of the base layer, and the second adhesive layer is connected to the lower surface of the base layer;

[0009] A PET film, which is a transparent film, is connected to the upper surface of the first adhesive layer;

[0010] Furthermore, it also includes release paper, which is connected to the lower surface of the second adhesive layer.

[0011] Furthermore, the material of the base layer is PET.

[0012] Further, the base layer is rectangular, and the length is 80-120mm.

[0013] Further, the width of the base layer is 20-30mm.

[0014] Further, the minimum distance between the long side and the short side of the base layer and the second aluminum foil antenna is 1-2mm.

[0015] Further, the thickness of the PET film is 40-60μm.

[0016] Further, the second aluminum foil antenna is composed of two mutually close circular arc parts formed by the rectangular aluminum foil antenna at two long sides.

[0017] Due to the adoption of the above technical scheme, the utility model has the following beneficial effects:

[0018] 1. The utility model discloses a light-transmitting area in the middle of two second aluminum foil antennas on the base layer, and the base layer, the first adhesive layer, the second adhesive layer and the PET film all adopt transparent materials, so that the whole label has good light-transmitting property, and when the label is pasted on the glass or the vehicle lamp, the light and the light are not blocked too much, and the user experience and the safety are improved.

[0019] 2. The second aluminum foil antenna of the utility model is composed of two mutually close circular arc parts formed by the rectangular aluminum foil antenna at two long sides, and the electromagnetic radiation characteristics can be improved and the anti-interference ability can be enhanced. Compared with the ordinary rectangular antenna, it can realize effective electromagnetic radiation in a wider frequency range, widens the frequency bandwidth, the existence of the circular arc part can change the electric field and the magnetic field distribution of the antenna, optimizes the radiation pattern, reduces the electromagnetic reflection interference and suppresses the surface wave interference.

[0020] 3. The high-transmittance RFID vehicle management label can reduce the coverage area of the antenna aluminum foil as much as possible under the premise of ensuring reading performance, improves the light-transmitting property of the label, and has high adaptability for application occasions where the label needs to avoid light blocking. DRAWINGS

[0021] Fig. 1 It is a layer structure schematic view of the high-transmittance RFID vehicle management label of the utility model.

[0022] Fig. 2 It is an aluminum foil antenna arrangement schematic view of the high-transmittance RFID vehicle management label of the utility model.

[0023] Among them, the markings in the accompanying drawings are: 1-base layer, 2-RFID chip, 3-ultraviolet blocking film, 4-adhesive layer, 5-PET film, 6-release paper, 7-first aluminum foil antenna, 8-concave area, 9-second aluminum foil antenna, 10-light-transmitting area, 11-arc part. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Example 1

[0026] like Figs. 1-2 As shown, the high-transmittance RFID vehicle management label includes a base layer 1, an adhesive layer 4, a PET film 5 and a release paper 6.

[0027] The base layer 1 is made of transparent material, preferably PET. A first aluminum foil antenna 7 is provided in the middle of the base layer 1. Two symmetrical second aluminum foil antennas 9 are provided on the left and right sides of the first aluminum foil antenna 7. A concave area is provided in the middle of the first aluminum foil antenna 7.

[0028] The second aluminum foil antenna 9 features a light-transmitting area 10 in the middle. The second aluminum foil antenna 9 is constructed from a rectangular aluminum foil antenna with two adjacent arc sections 11 formed on its two long sides. The presence of these arc sections 11 improves electromagnetic radiation characteristics and enhances anti-interference capabilities. Compared to conventional rectangular antennas, it achieves effective electromagnetic radiation over a wider frequency range, broadening the bandwidth. The presence of these arc sections 11 modifies the antenna's electric and magnetic field distribution, optimizing the radiation pattern, reducing electromagnetic reflection interference, and suppressing surface wave interference.

[0029] The base layer 1 is rectangular, with a length of 80-120 mm and a width of 20-30 mm. The minimum distance between the long side and the short side of the base layer 1 and the second aluminum foil antenna 9 is 1-2 mm. In this embodiment, the base layer 1 is 100 mm long and 25 mm wide. The minimum distance between the long side and the short side of the base layer 1 and the second aluminum foil antenna 9 is 1.5 mm.

[0030] An RFID chip 2 is provided in the middle of the first aluminum foil antenna 7 . The first aluminum foil antenna 7 and the second aluminum foil antenna 9 are both connected to the RFID chip 2 . Ultraviolet shielding films 3 are provided on the upper and lower sides of the RFID chip 2 .

[0031] The adhesive layer 4 is made of transparent material, which comprises a first adhesive layer and a second adhesive layer symmetrically arranged above and below, the first adhesive layer is connected with the upper surface of the base layer 1, and the second adhesive layer is connected with the lower surface of the base layer 1. The PET film 5 is a transparent film, which is connected with the upper surface of the first adhesive layer. The thickness of the PET film 5 is 40-60 μm, and in the embodiment, the thickness of the PET film 5 is 50 μm. The release paper 6 is connected with the lower surface of the second adhesive layer.

[0032] The utility model discloses the middle part of two second aluminium foil antennas 9 on base layer 1 is equipped with the light transmission zone 10, in addition, base layer 1, first adhesive layer, second adhesive layer, PET film 5 all adopt transparent material, make the whole label have good light transmission, when the label is pasted in the glass or the car light of vehicle, will not too muchly block light, light, improve user experience and safety.

[0033] The high-transmittance RFID vehicle management label provided by the utility model reduces the coverage area of the antenna aluminium foil as much as possible under the premise of guaranteeing reading performance, improves the light transmittance of the label, and has high adaptability to application occasions where the label needs to avoid light blocking. For example, the label pasted on the headlamp of a vehicle has high requirements on the light transmittance of the label, and the utility model can meet the requirements of the application scene.

[0034] The above description is a detailed description of the preferred and feasible embodiment of the utility model, but the embodiment is not used to limit the patent application range of the utility model, and any equivalent change or modification change completed under the technical spirit of the utility model should belong to the patent range covered by the utility model.

Claims

1. High transmittance RFID vehicle management tag, characterized by: include: The base layer is made of a transparent material, with a first aluminum foil antenna disposed in the center, two symmetrical second aluminum foil antennas disposed on the left and right sides of the first aluminum foil antenna, and a light-transmitting area disposed in the center of the second aluminum foil antenna; an RFID chip is disposed in the center of the first aluminum foil antenna, the first and second aluminum foil antennas are both connected to the RFID chip, and ultraviolet shielding films are disposed on the upper and lower sides of the RFID chip; The adhesive layer is made of a transparent material and includes a first adhesive layer and a second adhesive layer symmetrically arranged above and below, wherein the first adhesive layer is connected to the upper surface of the base layer, and the second adhesive layer is connected to the lower surface of the base layer; The PET film is a transparent film and is connected to the upper surface of the first adhesive layer.

2. The high-transmittance RFID vehicle management tag according to claim 1, characterized in that: It also includes release paper, which is connected to the lower surface of the second adhesive layer.

3. The high-transmittance RFID vehicle management tag according to claim 1, characterized in that: The material of the base layer is PET.

4. The high-transmittance RFID vehicle management tag according to claim 1, characterized in that: The base layer is rectangular, and its length is 80-120 mm.

5. The high-transmittance RFID vehicle management tag according to claim 4, characterized in that: The width of the base layer is 20-30 mm.

6. The high-transmittance RFID vehicle management tag according to claim 5, characterized in that: The minimum distance between the long side and the short side of the base layer and the second aluminum foil antenna is 1-2 mm.

7. The high-transmittance RFID vehicle management tag according to claim 1, characterized in that: The thickness of the PET film is 40-60 μm.

8. The high-transmittance RFID vehicle management tag according to claim 1, characterized in that: The second aluminum foil antenna is composed of two arc portions close to each other formed on two long sides of a rectangular aluminum foil antenna.

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