Antistatic waterproof RFID hang tag

By setting an antistatic protective layer and a buffer layer on the RFID tag and using a sealing ring to form a waterproof structure, the problems of electrostatic interference and waterproofing are solved, ensuring stable chip operation and extending service life.

CN224233883UActive Publication Date: 2026-05-12JIANGSU HUAZHE LABEL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU HUAZHE LABEL CO LTD
Filing Date
2025-05-27
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Existing RFID tags are susceptible to electrostatic interference, which can damage the chip or cause data transmission errors. They also have poor waterproof performance, which affects their lifespan.

Method used

A protective layer consisting of an antistatic polyester film and a nano-antistatic coating, combined with a buffer layer of modified EVA foam material, and sealed with a rubber ring to form a double waterproof protection structure, ensures stable operation of the chip in an electrostatic environment and prevents moisture infiltration.

Benefits of technology

It effectively reduces electrostatic interference, minimizes chip damage and data errors, improves waterproof performance, and extends the lifespan of the tag in humid environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of RFID hang tags, in particular to an antistatic waterproof RFID hang tag. According to the technical scheme, the RFID tag comprises shells which are mutually sealed and clamped, wherein an RFID chip module is arranged in each shell; the RFID chip module is arranged in the shell, the anti-static protection layer is arranged on the outer wall of the shell and used for preventing static electricity, buffer layers are arranged on the two sides of the RFID chip module respectively, and the buffer layers are tightly attached to the inner wall of the shell; a sealing rubber ring is arranged at the clamping position of the shell, and the sealing rubber ring is movably connected with the RFID chip module and the buffer layer in a sleeved mode. According to the utility model, electrostatic charges are effectively neutralized, the interference of instantaneous high voltage generated by static electricity on the RFID chip module is reduced, the risks of chip damage and data transmission errors are reduced, and it is ensured that the RFID hang tag can be stably and normally used in places with more electrostatic environments for electronic equipment production and warehouse logistics.
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Description

Technical Field

[0001] This utility model relates to the field of RFID tag technology, and in particular to an antistatic and waterproof RFID tag. Background Technology

[0002] With the rapid development of IoT technology, RFID tags, with their advantages of non-contact automatic identification, rewritable functionality, and large information storage capacity, are widely used in logistics management, retail product tracking, asset management, and other fields. They use radio frequency signals to identify target objects and exchange data, greatly improving the efficiency and accuracy of item management. However, existing RFID tags are highly susceptible to electrostatic interference in environments with high static electricity, such as electronic equipment manufacturing and warehousing. The instantaneous high voltage generated by static electricity can damage the RFID chip module or cause data transmission errors, affecting the normal use of the tag. Furthermore, RFID tags have poor waterproof performance; in humid environments or when splashed with liquid, moisture can easily seep into the tag through the shell gaps, causing chip short circuits and other malfunctions, shortening the tag's lifespan. Therefore, this invention proposes an anti-static and waterproof RFID tag. Utility Model Content

[0003] The purpose of this invention is to address the problems in the background technology where RFID tags are highly susceptible to electrostatic interference. The instantaneous high voltage generated by static electricity may damage the RFID chip module or cause data transmission errors, affecting the normal use of the tag. Furthermore, RFID tags have poor waterproof performance. In humid environments or when exposed to liquid splashes, moisture can easily seep into the tag through the shell gaps, causing chip short circuits and other malfunctions, thus shortening the tag's lifespan. Therefore, this invention proposes an anti-static and waterproof RFID tag.

[0004] The technical solution of this utility model is as follows: an antistatic and waterproof RFID tag, comprising: a shell that is sealed and snapped together, wherein an RFID chip module is disposed inside the shell; an antistatic protective layer disposed on the outer wall of the shell, wherein buffer layers are disposed on both sides of the RFID chip module, and the buffer layers are in close contact with the inner wall of the shell; and a sealing ring is disposed at the snap-fit ​​point of the shell, wherein the sealing ring is movably sleeved with the RFID chip module and the buffer layer.

[0005] Optionally, the antistatic protective layer is made of an antistatic polyester film, the surface of which is coated with a nano antistatic coating, and the thickness of the nano antistatic coating is 0.01-0.1 mm.

[0006] Optionally, the contact surface between the buffer layer and the shell is provided with a textured structure of uneven waves.

[0007] Optionally, the RFID chip module is bonded to the buffer layer with conductive adhesive, and the conductive adhesive is a waterproof epoxy resin conductive adhesive.

[0008] Optionally, the buffer layer is made of modified EVA foam material, and an antistatic agent is added to the modified EVA foam material. The thickness of the buffer layer is 0.1-0.5 mm.

[0009] Optionally, a fixing block is fixedly provided on the upper end of the housing, a locking hole is provided on one side of the fixing block, a locking block is engaged inside the locking hole, and a hanging rope is fixedly provided on the upper surface of the locking block.

[0010] Optionally, the outer wall of the antistatic protective layer is provided with a scratch-resistant and wear-resistant coating, and the scratch-resistant and wear-resistant coating is made of ultraviolet-cured polyurethane material.

[0011] In summary, this application includes at least one of the following beneficial technical effects:

[0012] This invention effectively neutralizes static charge and reduces the interference of instantaneous high voltage generated by static electricity on the RFID chip module by setting an antistatic protective layer made of antistatic polyester film and coated with a nano antistatic coating on the outer wall of the shell, and adding an antistatic agent to the modified EVA foam material of the buffer layer. This reduces the risk of chip damage and data transmission errors, and ensures that the RFID tag can be used stably and normally in places with a lot of static electricity, such as electronic equipment production, warehousing and logistics.

[0013] Furthermore, this utility model forms a double waterproof protection structure by setting a sealing ring at the snap-fit ​​joint of the shell and using waterproof epoxy conductive adhesive to bond the RFID chip module and the buffer layer. This effectively prevents moisture from seeping into the tag through the gaps in the shell, avoids short circuits of the chip due to moisture, significantly improves the waterproof performance of the RFID tag, and extends its service life in humid environments or when exposed to liquid splashes. Attached Figure Description

[0014] Figure 1 A structural schematic diagram of an antistatic and waterproof RFID tag is provided.

[0015] Figure 2 for Figure 1 Schematic diagram of the internal cross-sectional structure;

[0016] Figure 3 for Figure 1 A schematic diagram of the split structure.

[0017] Figure label:

[0018] 1. Housing; 2. RFID chip module; 3. Antistatic protective layer; 4. Buffer layer; 5. Sealing ring; 6. Fixing block; 7. Clip hole; 8. Clip block; 9. Lifting rope. Detailed Implementation

[0019] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0020] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0021] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] Example

[0025] like Figures 1 to 3 As shown, the present invention proposes an antistatic and waterproof RFID tag comprising: a housing 1 that is sealed and snapped together, and an RFID chip module 2 disposed inside the housing 1.

[0026] Furthermore, an antistatic protective layer 3 is installed on the outer wall of the housing 1. This layer is made of an antistatic polyester film coated with a nano-antistatic coating. The material itself possesses certain antistatic properties, and the thickness of the nano-antistatic coating is controlled between 0.01 and 0.1 mm. Through its nano-level molecular structure, a uniform conductive network is formed on the surface, which can quickly conduct static electricity, effectively preventing static accumulation from interfering with or damaging the RFID chip module 2. Simultaneously, the scratch-resistant and wear-resistant coating on the outer wall of the antistatic protective layer 3 is made of UV-curable polyurethane material. This material cures rapidly after being exposed to ultraviolet light, forming a hard and dense protective layer that can resist friction and scratches during daily use, extending the lifespan of the tag and ensuring the long-term stability of the antistatic function.

[0027] Secondly, buffer layers 4 are respectively provided on both sides of the RFID chip module 2. The RFID chip module 2 is bonded to the buffer layers 4 with waterproof epoxy conductive adhesive. The epoxy conductive adhesive not only achieves a firm bond but also prevents moisture from penetrating the chip module, ensuring its normal operation in humid environments. The buffer layers 4 are made of modified EVA foam material, which is soft in texture and has good cushioning performance. The added antistatic agent gives it antistatic function, further enhancing the protection of the chip. The 0.1-0.5 mm thickness design ensures the cushioning effect without excessively increasing the size of the tag. In addition, the contact surface between the buffer layer 4 and the shell 1 adopts an uneven wavy texture structure, making the buffer layer 4 fit more tightly with the inner wall of the shell 1. When subjected to external impact, it can better disperse stress and protect the RFID chip module 2 from all directions.

[0028] Furthermore, the sealing ring 5 located at the snap-fit ​​joint of the housing 1 is crucial. The sealing ring 5 is movably fitted with the RFID chip module 2 and the buffer layer 4. When the housing 1 snaps in place, the sealing ring 5 is compressed and deformed, filling the snap-fit ​​gap and forming a tight waterproof barrier. This effectively prevents moisture, dust, and other impurities from entering the tag, ensuring that the RFID chip module 2 is always in a safe and stable working environment.

[0029] In addition, the fixing block 6, the locking hole 7, the locking block 8, and the hanging rope 9 on the upper end of the housing 1 form a suspension structure. The locking hole 7 on one side of the fixing block 6 precisely engages with the locking block 8, ensuring a firm connection and preventing it from easily falling off. The hanging rope 9 fixed to the upper surface of the locking block 8 makes it easy for users to hang the tag on items, whether it is clothing, bags, or other goods, easily adapting to meet the needs of different scenarios.

[0030] The working principle of this embodiment is as follows: the hanging rope 9 is connected to the locking hole 7 of the fixing block 6 through the locking block 8 to ensure a firm connection and facilitate the hanging of the RFID tag on the item to be tagged.

[0031] When used in places prone to static electricity, such as electronic equipment manufacturing and warehousing logistics, the outer wall of the tag shell 1 is made of antistatic polyester film and coated with a nano antistatic coating. The antistatic agent added to the buffer layer 4 will automatically neutralize the static charge in the surrounding environment, reduce the interference of instantaneous high voltage generated by static electricity on the RFID chip module 2, ensure stable chip operation, and reduce the risk of data transmission errors.

[0032] Subsequently, the buffer layer 4, with its undulating wave-like texture, adheres tightly to the inner wall of the housing 1, effectively buffering external impacts and pressures on the tag and protecting the RFID chip module 2. Meanwhile, the UV-cured polyurethane anti-scratch and wear-resistant coating on the outer wall of the antistatic protective layer 3 can resist scratches and wear during daily use, maintaining the appearance and performance of the tag.

[0033] When the RFID tag is in a humid environment or is splashed with liquid, the sealing ring 5 at the snap-fit ​​of the housing 1 and the waterproof epoxy conductive adhesive used to attach the RFID chip module 2 and the buffer layer 4 form a double waterproof protection structure, which effectively prevents moisture from seeping into the tag, prevents the chip from short-circuiting due to moisture, ensures the normal use of the tag in harsh environments, and extends its service life.

[0034] The above specific embodiments are merely optional embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. An antistatic and waterproof RFID tag, characterized in that, include: A housing (1) that is sealed and snapped together, wherein an RFID chip module (2) is provided inside the housing (1). An antistatic protective layer (3) is provided on the outer wall of the housing (1). Buffer layers (4) are provided on both sides of the RFID chip module (2). The buffer layers (4) are in close contact with the inner wall of the housing (1). A sealing ring (5) is provided at the snap-fit ​​point of the housing (1), and the sealing ring (5) is movably sleeved with the RFID chip module (2) and the buffer layer (4).

2. The antistatic and waterproof RFID tag according to claim 1, characterized in that, The antistatic protective layer (3) is made of antistatic polyester film, and the surface of the antistatic polyester film is coated with a nano antistatic coating, and the thickness of the nano antistatic coating is 0.01-0.1 mm.

3. The antistatic and waterproof RFID tag according to claim 1, characterized in that, The contact surface between the buffer layer (4) and the shell (1) is provided with a textured structure of concave and convex waves.

4. The antistatic and waterproof RFID tag according to claim 1, characterized in that, The RFID chip module (2) is attached to the buffer layer (4) by means of conductive adhesive, and the conductive adhesive is epoxy resin conductive adhesive with waterproof properties.

5. The antistatic and waterproof RFID tag according to claim 1, characterized in that, The buffer layer (4) is made of modified EVA foam material and the thickness of the buffer layer (4) is 0.1-0.5 mm.

6. The antistatic and waterproof RFID tag according to claim 1, characterized in that, The upper end of the housing (1) is fixedly provided with a fixing block (6), and a card hole (7) is opened on one side of the fixing block (6). A card block (8) is engaged inside the card hole (7), and a hanging rope (9) is fixedly provided on the upper surface of the card block (8).

7. The antistatic and waterproof RFID tag according to claim 1, characterized in that, The outer wall of the antistatic protective layer (3) is provided with a scratch-resistant and wear-resistant coating, and the scratch-resistant and wear-resistant coating is made of ultraviolet-cured polyurethane material.