Double-interface radio frequency antenna structure

Abstract

The utility model discloses a double-interface radio frequency antenna structure, and relates to the technical field of double-interface radio frequency antenna structures, the double-interface radio frequency antenna structure comprises a card box, an upper cover is arranged above the card box, two ends of the upper cover are provided with bayonets, the card box is provided with a working assembly used for receiving working signals, the working assembly comprises an inner groove and an electric plate, and the electric plate is provided with an outer groove. The inner groove is located in the card box, the electric plate is fixedly connected in the inner groove, an antenna is arranged on the electric plate, a chip and a 6PIN contact point are arranged at the left end of the electric plate, and fixing assemblies are arranged at the two ends of the card box and used for fixing the card box and the upper cover. The hook heads on the two sides are extruded, the hook heads drive the clamping blocks and the connecting blocks to extrude the springs, the clamping blocks are extruded together, the upper cover is opened, the radio frequency antenna structure is convenient to maintain or replace, practicability is high, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of dual-interface radio frequency antenna structures, in particular to a dual-interface radio frequency antenna structure. Background Art

[0002] The dual-interface RF antenna structure is a new technology developed in the world in recent years. It successfully combines RFID technology with IC card technology, solving the problem of passivity (no power in the card) and contactlessness, and is a major breakthrough in the field of electronic devices.

[0003] With the development of communication technology, dual-interface smart cards are mainly used in automatic fare collection systems for buses, ferries and subways, and are also used in various fields of production and life such as access control, identity verification and electronic wallets. However, in the production process of dual-interface smart cards in the prior art, the chip, antenna and composite card are produced separately. The production process is complicated, requires more equipment, has cumbersome process control, and has high production costs.

[0004] Based on this, a dual-interface RF antenna structure is now provided for use in dual-interface smart cards. The antenna, 6PIN contact points and wafer are combined together to simplify the production process. The etched antenna and 6PIN contact points are directly glued, solidified, wired and sealed in the middle of the back of the 6PIN contact points to complete the combination of the dual-interface wafer and the antenna. After cutting, the dual-interface smart card can be directly formed by pressing. This simplifies the production process and reduces production costs. Utility Model Content

[0005] The purpose of the utility model is to provide a dual-interface radio frequency antenna structure to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A dual-interface radio frequency antenna structure, comprising: a card box, an upper cover is provided above the card box, and bayonet holes are provided at both ends of the upper cover;

[0008] The card box is provided with a working component for receiving a working signal;

[0009] Both ends of the card box are provided with fixing components for fixing the card box and the upper cover.

[0010] As a further solution of the utility model: the working component includes an inner groove and an electric board, the inner groove is located in the card box, the electric board is fixedly connected in the inner groove, an antenna is provided on the electric board, a chip and a 6PIN contact point are provided on the left end of the electric board, a wafer is provided at the chip on the back of the electric board, wafer bonding wires are provided on the wafer, and sealing glue is provided on the wafer and the wafer bonding wires.

[0011] As a further solution of the utility model: the fixed component includes a movable groove, the movable groove is located at both ends of the card box, a partition is provided in the middle of the movable groove, connecting blocks are slidably connected at both ends of the movable groove, a spring is fixedly connected between the connecting block and the partition, a card slot is provided above the movable groove, a card block is fixedly connected to the upper end of the connecting block, and a hook head is fixedly connected to the upper end of the card block.

[0012] As a further solution of the utility model: the opposite sides of the hook heads on both sides are inclined surfaces.

[0013] As a further solution of the utility model: a rubber sealing ring is provided between the upper cover and the card box.

[0014] As a further solution of the utility model: the card box and the upper cover are both provided with chamfers.

[0015] As a further solution of the utility model: the card box and the upper cover are made of ABS plastic material.

[0016] As a further solution of the utility model: a heat dissipation pad is provided on the upper cover.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The utility model has a fixing assembly arranged on the card box, and the upper cover can be directly buckled on the card box and can be disassembled. By squeezing the hooks on both sides, the hooks drive the card blocks and the connecting blocks to squeeze the springs, so that the card blocks are squeezed together, and the upper cover is opened, so that the RF antenna structure can be repaired or replaced conveniently.

[0019] 2. The utility model is suitable for large-scale application in various smart cards and other short-range wireless communication technologies by setting up a dual-interface RF antenna structure in the card box. Different antennas can also be designed according to different RF modules to meet the application of different occasions. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a dual-interface radio frequency antenna structure.

[0021] Figure 2 This is a schematic diagram of the side structure of a dual-interface radio frequency antenna structure.

[0022] Figure 3 It is a structural schematic diagram of a card box in a dual-interface radio frequency antenna structure.

[0023] Figure 4 This is a schematic diagram of the structure of the back side of the electrical board in a dual-interface RF antenna structure.

[0024] Figure 5 It is a schematic diagram of the structure of a fixed component in a dual-interface radio frequency antenna structure.

[0025] Among them: 1. Card box; 2. Upper cover; 3. Hook; 4. Inner groove; 5. Electric board; 6. Antenna; 7. Chip; 8. 6PIN contact point; 9. Spring; 10. Card block; 11. Bayonet; 12. Movable groove; 13. Connecting block; 14. Card slot; 15. Partition; 16. Wafer; 17. Wafer welding wire; 18. Sealing glue. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] See also Figure 1-Figure 5 In an embodiment of the utility model, a dual-interface radio frequency antenna structure includes a card box 1, a top cover 2 is provided on the card box 1, and bayonet holes 11 are provided at both ends of the top cover 2. When the dual-interface radio frequency antenna structure needs to be inspected, repaired or replaced, the top cover 2 can be opened to repair or replace the antenna structure.

[0029] The card box 1 is provided with a working component for receiving a working signal, and the working component includes an inner groove 4 and an electric board 5. The inner groove 4 is located in the card box 1, and the electric board 5 is fixedly connected in the inner groove 4. An antenna 6 is provided on the electric board 5. A chip 7 and a 6PIN contact point 8 are provided on the left end of the electric board 5. A wafer 16 is provided at the chip 7 on the back of the electric board 5. A wafer bonding wire 17 is provided on the wafer 16. A sealing glue 18 is provided on the wafer 16 and the wafer bonding wire 17. When in use, the chip 7, the antenna 6 and the 6PIN contact point 8 in the dual-interface RF antenna will receive a signal sent by the reader, and then the chip 7 will work according to the received working signal.

[0030] The card box 1 is provided with a fixing component at both ends for fixing the card box 1 and the upper cover 2, the fixing component includes a movable groove 12, the movable groove 12 is located at both ends of the card box 1, a partition 15 is provided in the middle of the movable groove 12, connecting blocks 13 are slidably connected at both ends of the movable groove 12, a spring 9 is fixedly connected between the connecting block 13 and the partition 15, a card slot 14 is provided above the movable groove 12, a card block 10 is fixedly connected to the upper end of the connecting block 13, and a hook head 3 is fixedly connected to the upper end of the card block 10. When in use, the hook heads 3 on both ends of the upper cover 2 are squeezed first, and the hook head 3 drives the card block 10 and the connecting block 13 fixedly connected at the lower end to squeeze the spring 9, so that the card block 10 is squeezed together, and then the upper cover 2 is opened, and the antenna structure can be repaired or replaced. After repair or replacement, the bayonet 11 at both ends of the upper cover 2 is directly aligned with the hook head 3 and pressed, and the upper cover 2 is buckled on the card box 1.

[0031] The opposite sides of the hook heads 3 on both sides are inclined surfaces. When in use, the inclined surfaces can conveniently and firmly clamp the upper cover 2 and the card box 1.

[0032] The card box 1 and the upper cover 2 are both provided with chamfers to prevent them from being hit by edges and scratches during use, making them convenient to use.

[0033] The card box 1 and the upper cover 2 are made of ABS plastic material, which has good wear resistance when in use and can well protect the dual-interface radio frequency antenna structure.

[0034] The upper cover 2 is provided with a heat dissipation pad, which can effectively dissipate heat and prevent the work efficiency from decreasing after long-term use.

[0035] Example 2

[0036] The difference from Example 1 is that a rubber sealing ring is provided between the upper cover 2 and the card box 1, which can effectively prevent some small particles of impurities or water from entering the card box 1 during use, thereby damaging the dual-interface RF antenna structure.

[0037] The working principle of the utility model is: when in use, the chip 7, antenna 6 and 6PIN contact point 8 in the dual-interface radio frequency antenna will work according to the instruction after receiving the signal sent by the reader. When inspection or maintenance is needed, the hook heads 3 on both ends of the upper cover 2 are squeezed first, and the hook heads 3 drive the card block 10 and the connecting block 13 fixedly connected at the lower end, and the connecting block 13 squeezes the spring 9, so that the hook heads 3 are squeezed inward, and then the upper cover 2 is opened, and the antenna structure can be inspected, repaired or replaced. After the repair or replacement, the bayonet openings 11 at both ends of the upper cover 2 are directly aligned with the hook heads 3 and pressed, so that the upper cover 2 is buckled on the card box 1, which is convenient for inspection and maintenance, reduces costs, and is convenient for use.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Although the present specification is described in accordance with the implementation modes, not every implementation mode includes only one technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A dual-interface radio frequency antenna structure, comprising a card box (1), an upper cover (2) being provided above the card box (1), and bayonet holes (11) being provided at both ends of the upper cover (2); Features: The card box (1) is provided with a working component for receiving a working signal; Both ends of the card box (1) are provided with fixing components for fixing the card box (1) and the upper cover (2).

2. The dual-interface radio frequency antenna structure according to claim 1, characterized in that: The working component comprises an inner groove (4) and an electric board (5); the inner groove (4) is located in the card box (1); the electric board (5) is fixedly connected in the inner groove (4); an antenna (6) is provided on the electric board (5); a chip (7) and a 6PIN contact point (8) are provided on the left end of the electric board (5); a wafer (16) is provided at the chip (7) on the back of the electric board (5); a wafer bonding wire (17) is provided on the wafer (16); and a sealing glue (18) is provided on both the wafer (16) and the wafer bonding wire (17).

3. The dual-interface radio frequency antenna structure according to claim 1, characterized in that: The fixing assembly comprises a movable groove (12), the movable groove (12) being located at both ends of the card box (1), a partition plate (15) being provided in the middle of the movable groove (12), connecting blocks (13) being slidably connected at both ends of the movable groove (12), a spring (9) being fixedly connected between the connecting block (13) and the partition plate (15), a clamping groove (14) being provided above the movable groove (12), a clamping block (10) being fixedly connected at the upper end of the connecting block (13), and a hook head (3) being fixedly connected at the upper end of the clamping block (10).

4. The dual-interface radio frequency antenna structure according to claim 3, characterized in that: The opposite sides of the hook heads (3) on both sides are inclined surfaces.

5. The dual-interface radio frequency antenna structure according to claim 1, characterized in that: A rubber sealing ring is provided between the upper cover (2) and the card box (1).

6. The dual-interface radio frequency antenna structure according to claim 1, characterized in that: The card box (1) and the upper cover (2) are both provided with chamfers.

7. The dual-interface radio frequency antenna structure according to claim 1, characterized in that: The card box (1) and the upper cover (2) are made of ABS plastic material.

8. The dual-interface radio frequency antenna structure according to claim 1, characterized in that: A heat dissipation pad is provided on the upper cover (2).

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