Round internally-buckled RFID (Radio Frequency Identification Device) electronic tag

Abstract

The utility model discloses a circular inner buckle type RFID electronic tag which comprises a shell, a coil is installed on the inner side of the shell, a chip assembly is arranged at the upper end of the coil, a sealing ring is arranged at the upper end of the coil on the inner side of the shell, and the chip assembly comprises a PCB, a capacitor and a chip. According to the circular inner buckle type RFID electronic tag, the inner side of the shell adopts the inner buckle, and the coil is encapsulated in the mounting groove by adopting the flexible epoxy resin sealing ring, so that the circular inner buckle type RFID electronic tag has certain toughness during mounting, is convenient to mount and does not damage the shell.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic tags, in particular to a circular inner buckle type RFID electronic tag. Background Art

[0002] An electronic tag, also known as a radio frequency tag, is an intelligent identification system that uses wireless communication to transmit data. The electronic tag consists of a chip and an antenna, and communicates with a reader / writer through radio waves to read and write information within the tag.

[0003] When electronic tags are used in locks, they need to be installed in specific locks due to restrictions on the use environment, and due to space limitations, there is no other fixed installation location.

[0004] To solve the above problems, we proposed a circular inward-facing RFID electronic tag. Utility Model Content

[0005] The main purpose of the utility model is to provide a circular inner buckle type RFID electronic tag, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A circular inward-facing RFID electronic tag comprises a shell, a coil is installed inside the shell, a chip component is arranged at the upper end of the coil, a sealing ring is arranged at the upper end of the inner coil of the shell, and the chip component comprises a PCB, a capacitor, and a chip.

[0008] Preferably, the PCB is installed on the upper end of the coil, the coil and the PCB are bound with a capacitor and a chip, and both ends of the chip are welded to the coil.

[0009] Preferably, a mounting groove is provided at the upper end of the shell, the coil and the sealing ring are both located on the inner side of the mounting groove, and an inner cylinder is fixedly connected to the inner side of the mounting groove.

[0010] Preferably, the inner wall of the inner cylinder is provided with an inner buckle, the coil is in a circular ring shape, and the coil is sleeved on the outer side of the inner cylinder.

[0011] Preferably, the sealing ring is made of flexible epoxy resin, and the sealing ring is embedded in the inner side of the shell by thermal melting.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the circular inner buckle RFID electronic tag adopts an inner buckle on the inner side of the shell according to the actual situation of the lock, and adopts a flexible epoxy resin sealing ring to seal the coil in the installation groove, so that it has a certain toughness during installation, is easy to install and does not damage the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a circular inner buckle RFID electronic tag of the utility model;

[0014] Figure 2 This is a partial structural schematic diagram of a circular inner buckle RFID electronic tag of the utility model;

[0015] Figure 3 It is a cross-sectional view of a circular inner buckle RFID electronic tag of the utility model.

[0016] In the figure: 1. outer shell; 2. inner tube; 3. inner buckle; 4. mounting groove; 5. coil; 6. chip assembly; 61. PCB; 62. capacitor; 63. chip; 7. sealing ring. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0018] like Figure 1-3 As shown, a circular inward-facing RFID electronic tag includes a shell 1, a coil 5 is installed on the inner side of the shell 1, a chip component 6 is arranged on the upper end of the coil 5, a sealing ring 7 is arranged on the upper end of the inner coil 5 of the shell 1, and the chip component 6 includes a PCB 61, a capacitor 62, and a chip 63.

[0019] In this embodiment, the PCB 61 is installed on the upper end of the coil 5 , the coil 5 and the PCB 61 are bound to the capacitor 62 and the chip 63 , and the two ends of the chip 63 are welded to the coil 5 .

[0020] Specifically, the capacitor 62 is electrically connected to the chip 63 .

[0021] In this embodiment, a mounting groove 4 is formed at the upper end of the housing 1 , the coil 5 and the sealing ring 7 are both located inside the mounting groove 4 , and the inner cylinder 2 is fixedly connected to the inner side of the mounting groove 4 .

[0022] Specifically, the coil 5 and the chip assembly 6 are placed in the mounting groove 4 , and then the two are sealed inside by the sealing ring 7 .

[0023] In this embodiment, an inner buckle 3 is provided on the inner wall of the inner tube 2 , and the coil 5 is in a ring shape, and the coil 5 is sleeved on the outer side of the inner tube 2 .

[0024] Specifically, the inner buckle 3 facilitates the installation of the electronic tag on the lock, and the inner tube 2 fixes the movable range of the coil 5 to prevent the coil 5 from being deflected due to collision, thereby maintaining the stability of the coil 5.

[0025] In this embodiment, the sealing ring 7 is made of flexible epoxy resin, and the sealing ring 7 is embedded in the inner side of the housing 1 by thermal melting.

[0026] Specifically, the sealing ring 7 is heated to melt and pour onto the coil 5 to fill the remaining portion of the mounting groove 4 to form a seal.

[0027] It should be noted that the utility model is a circular inner buckle type RFID electronic tag. According to the space of the lock, the electronic tag is provided with an inner buckle 3 on the inner side of the inner tube 2, and is connected to the lock through the inner buckle 3. The coil 5, PCB 61 binding capacitor 62 and chip 63 are designed, and the two ends of the coil 5 and the chip 63 are welded. The coil 5 is sleeved on the outer side of the inner tube 2, and then installed in the installation groove 4, and potted with a flexible epoxy resin sealing ring 7.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A circular inward-facing RFID electronic tag, comprising a housing (1), characterized in that: A coil (5) is installed inside the housing (1), a chip assembly (6) is arranged at the upper end of the coil (5), a sealing ring (7) is arranged at the upper end of the coil (5) inside the housing (1), and the chip assembly (6) comprises a PCB (61), a capacitor (62), and a chip (63).

2. The circular inner buckle RFID electronic tag according to claim 1, characterized in that: The PCB (61) is installed on the upper end of the coil (5); the coil (5) and the PCB (61) are bound to the capacitor (62) and the chip (63); and the two ends of the chip (63) are welded to the coil (5).

3. The circular inner buckle RFID electronic tag according to claim 1, characterized in that: The upper end of the outer shell (1) is provided with a mounting groove (4), the coil (5) and the sealing ring (7) are both located on the inner side of the mounting groove (4), and the inner side of the mounting groove (4) is fixedly connected with an inner cylinder (2).

4. The circular inner buckle RFID electronic tag according to claim 3, characterized in that: The inner wall of the inner cylinder (2) is provided with an inner buckle (3), the coil (5) is in a circular ring shape, and the coil (5) is sleeved on the outer side of the inner cylinder (2).

5. The circular inner buckle RFID electronic tag according to claim 1, characterized in that: The sealing ring (7) is made of flexible epoxy resin, and the sealing ring (7) is embedded on the inner side of the housing (1) by thermal melting.

Images