RFID high-frequency reader-writer

Abstract

The utility model relates to the technical field of reader-writers, and discloses an RFID high-frequency reader-writer, which comprises a reader-writer, a contact plate is arranged in the reader-writer, a slot is arranged in the reader-writer, a stabilizing assembly is arranged on the outer wall of the reader-writer, an antenna is arranged on the outer wall of the reader-writer, and a dismounting assembly is arranged on the other side of the reader-writer. The stabilizing assembly comprises a clamp, the outer wall of the clamp is slidably connected to the outer wall of the reader-writer, the clamp is arranged on the outer wall of the slot, the outer wall of the reader-writer is fixedly connected with a fixing plate, a sliding column is slidably connected into the fixing plate, and one end of the sliding column is fixedly connected with a stop block. According to the utility model, the clamp and the sliding column are driven by the electric wire, and the spring I is matched, so that the clamp slides on the outer wall of the sliding rail, the circuit is kept stable during connection, the slot is closed during connection, the problems that the circuit cannot be kept stable and dust is easy to enter the slot are solved, and the safety of circuit use is improved.

Description

Technical Field

[0001] This utility model relates to the field of reader technology, and in particular to an RFID high-frequency reader. Background Technology

[0002] As a key device for realizing contactless information identification and data transmission, RFID high-frequency readers play an important role in fields such as intelligent warehouse management, logistics tracking, and unmanned checkout in new retail. They communicate with tags through radio frequency signals to complete data reading and writing operations, greatly improving the efficiency and accuracy of information collection. With the rapid development of Internet of Things technology, the application scenarios of RFID high-frequency readers are constantly expanding, and the requirements for their performance and stability are also increasing. This has prompted researchers to continuously explore the optimization and upgrading of the mechanical structure and functions of readers.

[0003] Currently, most RFID high-frequency readers on the market adopt traditional fixed connection methods in their mechanical structure design. Their antennas are connected to the reader body by screws or welding. When connecting the circuit, the socket is usually an open structure without additional fixing and protection measures. The circuit connection relies on manual insertion and is limited by the simple interface shape. The antenna is disassembled by screwdrivers or other tools to remove the screws or by using professional equipment to handle the solder joints. This design is based on a simple mechanical fixing principle, which ensures the stability of the device structure to a certain extent. However, it has many limitations in practical applications.

[0004] However, the existing RFID high-frequency readers have significant defects in their wiring connections and antenna assembly / disassembly methods. In actual use, due to the lack of effective fixing devices for the wiring connections, the wiring is prone to loosening or even falling off when subjected to external forces such as pulling or equipment vibration, leading to signal transmission interruption or instability and affecting the normal operation of the reader. At the same time, the open socket structure makes it easy for dust and debris to enter the socket. Over time, dust accumulation can cause problems such as socket oxidation and short circuits, reducing the service life and operational safety of the equipment. This makes it difficult to meet the requirements of equipment stability and reliability in complex industrial environments and outdoor application scenarios. Therefore, a new RFID high-frequency reader is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an RFID high-frequency reader / writer, which aims to improve the problems of the inability to maintain stable circuits and the easy entry of dust into the slots in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An RFID high-frequency reader / writer includes a reader / writer, a contact plate inside the reader / writer, a slot inside the reader / writer, a stabilizing component on the outer wall of the reader / writer, an antenna on the outer wall of the reader / writer, and a disassembly / assembly component on the other side of the reader / writer.

[0008] The stabilizing component includes a clamp, the outer wall of which is slidably connected to the outer wall of the reader / writer. The clamp is disposed on the outer wall of the slot. A fixing plate is fixedly connected to the outer wall of the reader / writer. A sliding column is slidably connected inside the fixing plate. A stop block is fixedly connected to one end of the sliding column, and the other end of the sliding column is fixedly connected to the outer wall of the clamp. A spring is sleeved on the outer wall of the sliding column. One end of the spring is fixedly connected to the outer wall of the fixing plate, and the other end of the spring is fixedly connected to the outer wall of the clamp. A slide rail is fixedly connected to the outer wall of the reader / writer, and the clamp is slidably connected to the outer wall of the slide rail.

[0009] As a further description of the above technical solution:

[0010] The assembly / disassembly assembly includes a retaining ball and a retaining slot formed inside the antenna, with the outer wall of the retaining ball slidably connected to the inside of the retaining slot.

[0011] As a further description of the above technical solution:

[0012] A connecting post is fixedly connected to the outer wall of the reader, and a fixing ring is fixedly connected to the outer wall of the connecting post.

[0013] As a further description of the above technical solution:

[0014] A limit block is slidably connected to the outer wall of the connecting column, and a push ring is fixedly connected to the outer wall of the limit block.

[0015] As a further description of the above technical solution:

[0016] The limiting block contacts the ball, and the push ring is internally slidably connected to the outer wall of the fixed ring.

[0017] As a further description of the above technical solution:

[0018] The connecting column has a groove inside, and the outer wall of the ball is slidably connected to the groove.

[0019] As a further description of the above technical solution:

[0020] A retaining ring is fixedly connected to the outer wall of the connecting column, and the retaining ring is in contact with the limiting block.

[0021] As a further description of the above technical solution:

[0022] A second spring is fitted on the outer wall of the connecting column. One end of the second spring is fixedly connected to the outer wall of the fixed ring, and the other end of the second spring is fixedly connected to the outer wall of the retaining ring.

[0023] This utility model has the following beneficial effects:

[0024] 1. In this utility model, the clamp achieves its movement function by placing wires. When placing wires, the clamp and slide column are driven by the wires and cooperate with the spring to make the clamp slide on the outer wall of the slide rail, thereby keeping it stable when the line is connected and closing the slot when connecting. This solves the problems of not being able to keep the line stable and the slot being easy to get dust in, and improves the safety of the line use.

[0025] 2. In this utility model, the ball is moved by pushing the push ring. When the push ring is pushed, the ball is driven by the limit block and cooperates with the second spring to slide the ball inside the groove, thereby facilitating the disassembly and assembly of the antenna, making it convenient for maintenance, replacement and movement. This solves the problem that multiple tools are needed to disassemble the antenna and it is not convenient to disassemble it, thus improving the convenience of the device. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of an RFID high-frequency reader / writer proposed in this utility model;

[0027] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0028] Figure 3 This is a schematic diagram of the antenna structure of an RFID high-frequency reader / writer proposed in this utility model;

[0029] Figure 4 This is a schematic diagram of the push ring structure of an RFID high-frequency reader / writer proposed in this utility model;

[0030] Figure 5 This is a schematic diagram of the structure of the card ball in an RFID high-frequency reader / writer proposed in this utility model.

[0031] Legend:

[0032] 1. Reader / writer; 2. Antenna; 3. Contact plate; 4. Fixing plate; 5. Stop block; 6. Clamp; 7. Spring 1; 8. Sliding column; 9. Slide rail; 10. Slot; 11. Fixing ring; 12. Push ring; 13. Connecting column; 14. Spring 2; 15. Retaining ring; 16. Slide groove; 17. Ball retainer; 18. Slot; 19. Limiting block. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Reference Figures 1-3 This utility model provides an embodiment of an RFID high-frequency reader / writer, comprising a reader / writer 1. The reader / writer 1 serves as the core control and processing component of the entire device. Its outer shell is made of high-strength engineering plastic, which possesses good insulation, corrosion resistance, and a certain degree of impact resistance, effectively protecting the internal electronic components. The reader / writer 1 contains a contact plate 3 made of copper with a silver-plated surface to reduce resistance and ensure good conductivity. The contact plate 3 is used to achieve a stable connection between the circuitry and the internal circuitry of the reader / writer 1, ensuring accurate and efficient signal transmission and preventing data transmission errors or loss due to poor contact. The reader / writer 1 contains a slot 10 with an elastic metal sheet on its inner wall for close contact with the inserted wire, enhancing connection stability and conductivity. The outer wall of the reader / writer 1 has a stabilizing component, which stably clamps the wire when it is inserted into the slot 10 and closes the slot 10 after the wire is removed to prevent dust from entering. An antenna 2 is located on the outer wall of the reader / writer 1, and a disassembly / removal assembly is located on the other side of the reader / writer 1.

[0035] The stabilizing component includes a clamp 6, the outer wall of which is slidably connected to the outer wall of the reader 1. The clamp 6 is set on the outer wall of the slot 10. A fixing plate 4 is fixedly connected to the outer wall of the reader 1. A sliding column 8 is slidably connected inside the fixing plate 4. A stop block 5 is fixedly connected to one end of the sliding column 8. The stop block 5 is made of rubber and is used to prevent the sliding column 8 from rigidly colliding with other components during sliding. The other end of the sliding column 8 is fixedly connected to the outer wall of the clamp 6. A spring 7 is sleeved on the outer wall of the sliding column 8. One end of the spring 7 is fixedly connected to the outer wall of the fixing plate 4. The other end of the spring 7 is fixedly connected to the outer wall of the clamp 6. A slide rail 9 is fixedly connected to the outer wall of the reader 1. The clamp 6 is slidably connected to the outer wall of the slide rail 9.

[0036] Specifically, when connecting the wires, the operator pushes the wires toward the slot 10. Since the contact surface of the clamp 6 is designed as an inclined plane, when the wires come into contact with the clamp 6, a lateral pushing force is generated. Under the action of this pushing force, the clamp 6 begins to slide on the outer wall of the slide rail 9. The sliding of the clamp 6 is not isolated; it will drive the connected slide column 8 to move together. During the movement, the slide column 8 will compress the spring 7, causing the spring 7 to store elastic potential energy. When the wires are successfully inserted into the slot 10, the originally compressed spring 7 begins to release its elastic potential energy, generating a rebound force. This rebound force causes the clamp 6 to move in the opposite direction, so that the clamp 6 firmly holds the wire, thereby ensuring that the connection of the wire in the slot 10 remains stable and preventing the wire from becoming loose due to external factors. When the operator needs to pull out the wire, the force of the wire on the clamp 6 disappears. At this time, the spring 7 rebounds again, causing the clamp 6 to return to its initial position, which closes the slot 10. This effectively prevents dust and other debris from entering the slot 10, ensuring the normal operation and service life of the equipment.

[0037] Reference Figure 4 and Figure 5 The assembly includes a ball-shaped retainer 17 and a slot 18 inside the antenna 2. The outer wall of the ball-shaped retainer 17 is slidably connected to the inside of the slot 18. The ball-shaped retainer 17 is made of stainless steel, which has high hardness and wear resistance, ensuring that it is not easily damaged during long-term use. The ball-shaped retainer 17 is used to cooperate with the slot 18 to achieve a fixed connection between the antenna 2 and the reader 1, thereby ensuring that the antenna 2 remains stable during operation and avoiding unstable signal transmission due to loosening. A connecting post 13 is fixedly connected to the outer wall of the reader 1, and a fixing ring 11 is fixedly connected to the outer wall of the connecting post 13. A limit block 19 is slidably connected to the outer wall of the connecting post 13. The limit block 19 is made of engineering plastic, which has good insulation and a certain degree of toughness. Its function is to limit the ball-shaped retainer 17 and prevent it from getting stuck. 17. When not in operation, the ball is disengaged from the slot 18. A push ring 12 is fixedly connected to the outer wall of the limiting block 19. The limiting block 19 is in contact with the ball 17. The push ring 12 is slidably connected to the outer wall of the fixed ring 11. A groove 16 is opened inside the connecting column 13. The outer wall of the ball 17 is slidably connected to the groove 16. A retaining ring 15 is fixedly connected to the outer wall of the connecting column 13. The retaining ring 15 is in contact with the limiting block 19. A second spring 14 is sleeved on the outer wall of the connecting column 13. One end of the second spring 14 is fixedly connected to the outer wall of the fixed ring 11, and the other end of the second spring 14 is fixedly connected to the outer wall of the retaining ring 15.

[0038] Specifically, in actual use, when antenna 2 needs to be replaced, the operator first pushes the push ring 12. After being pushed, the push ring 12 moves the connected limiting block 19. The limiting block 19, which originally limited the locking ball 17, releases this limiting effect as it moves. Simultaneously, the movement of the push ring 12 compresses the second spring 14, causing it to store elastic potential energy. At this point, the locking ball 17 loses its limiting constraint and can slide freely inside the slide groove 16. The operator can then easily remove antenna 2 from the equipment for maintenance or replacement. After maintenance or replacement, antenna 2 is returned to its original position. Next, the operator releases the push ring 12. At this time, the previously compressed second spring 14 releases its elastic potential energy, generating a rebound force. This rebound force causes the limiting block 19 to return to its original position. After the limiting block 19 returns to its original position, it will again limit the locking ball 17, causing the locking ball 17 to engage inside the locking slot 18, thereby firmly fixing the antenna 2 to the equipment. In addition, during this process, the retaining ring 15 will block the limiting block 19 to prevent it from slipping off, ensuring the stability of the entire fixing structure.

[0039] Working principle: When connecting the wire, push the wire toward slot 10. Because the contact surface of clamp 6 is inclined, clamp 6 is pushed to slide on the outer wall of slide rail 9. Then, clamp 6 drives slide column 8 to move, compressing spring 7. After the wire is inserted into slot 10, spring 7 rebounds and drives clamp 6 to move, clamping the wire and keeping it stable. After the wire is pulled out, spring 7 rebounds and drives clamp 6 back to its original position to close slot 10 and prevent dust from entering.

[0040] Additionally, when antenna 2 needs to be replaced, push ring 12 is pushed, which moves limit block 19 to contact the limiting ball 17 and compress spring 14, allowing the ball 17 to slide inside the slide groove 16. Antenna 2 can then be removed for maintenance and replacement. Afterward, it is put back, push ring 12 is released, and spring 14 rebounds, causing limit block 19 to return to its original position, limiting the ball 17 and locking it inside the slot 18 to fix antenna 2. At the same time, retaining ring 15 blocks limit block 19 to prevent slippage.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An RFID high-frequency reader / writer, comprising a reader / writer (1), characterized in that: The reader (1) has a contact plate (3) inside, a slot (10) inside, a stabilizing component on the outer wall of the reader (1), an antenna (2) on the outer wall of the reader (1), and a disassembly component on the other side of the reader (1). The stabilizing component includes a clamp (6), the outer wall of which is slidably connected to the outer wall of the reader (1). The clamp (6) is disposed on the outer wall of the slot (10). A fixing plate (4) is fixedly connected to the outer wall of the reader (1). A sliding column (8) is slidably connected inside the fixing plate (4). A stop block (5) is fixedly connected to one end of the sliding column (8). The other end of the sliding column (8) is fixedly connected to the outer wall of the clamp (6). A spring (7) is sleeved on the outer wall of the sliding column (8). One end of the spring (7) is fixedly connected to the outer wall of the fixing plate (4). The other end of the spring (7) is fixedly connected to the outer wall of the clamp (6). A slide rail (9) is fixedly connected to the outer wall of the reader (1). The clamp (6) is slidably connected to the outer wall of the slide rail (9).

2. The RFID high-frequency reader / writer according to claim 1, characterized in that: The assembly and disassembly assembly includes a ball (17) and a slot (18) formed inside the antenna (2), with the outer wall of the ball (17) slidably connected inside the slot (18).

3. The RFID high-frequency reader / writer according to claim 2, characterized in that: The reader (1) has a connecting post (13) fixedly connected to its outer wall, and a fixing ring (11) is fixedly connected to the outer wall of the connecting post (13).

4. The RFID high-frequency reader / writer according to claim 3, characterized in that: The outer wall of the connecting column (13) is slidably connected to a limiting block (19), and the outer wall of the limiting block (19) is fixedly connected to a push ring (12).

5. An RFID high-frequency reader / writer according to claim 4, characterized in that: The limiting block (19) is in contact with the locking ball (17), and the push ring (12) is internally slidably connected to the outer wall of the fixed ring (11).

6. An RFID high-frequency reader / writer according to claim 5, characterized in that: The connecting column (13) has a groove (16) inside, and the outer wall of the ball (17) is slidably connected to the groove (16).

7. An RFID high-frequency reader / writer according to claim 6, characterized in that: A retaining ring (15) is fixedly connected to the outer wall of the connecting column (13), and the retaining ring (15) is in contact with the limiting block (19).

8. An RFID high-frequency reader / writer according to claim 7, characterized in that: A second spring (14) is sleeved on the outer wall of the connecting column (13). One end of the second spring (14) is fixedly connected to the outer wall of the fixed ring (11), and the other end of the second spring (14) is fixedly connected to the outer wall of the retaining ring (15).

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