Equipment counting device based on RFID

Abstract

The utility model relates to the technical field of logistics equipment, in particular to an RFID (Radio Frequency Identification)-based equipment counting device. Comprising an S-shaped guide rail, a moving trolley, guide wheels, a lifting frame, guide rods, a placement seat, an RFID read-write terminal and the like, the moving trolley is arranged on the S-shaped guide rail, the two guide wheels are symmetrically and rotationally connected to the bottom of the moving trolley and make contact with the two sides of the S-shaped guide rail respectively, the lifting frame is slidably connected to the interior of the moving trolley, the guide rods are symmetrically and slidably connected to the lifting frame, and the placement seat is arranged on the S-shaped guide rail. The placing seat is connected to the upper end of the guide rod, a placing hole is formed in the placing seat, and the RFID read-write terminal is placed in the placing hole. According to the utility model, through the cooperation of the S-shaped guide rail, the moving trolley and the fixing assembly, the RFID read-write terminal can be driven to automatically shuttle among all goods shelves to count commodities with RFID tags, so that the counting speed can be improved, the manual intervention can be reduced, the accuracy and consistency of each time of counting can be ensured, and errors caused by manual operation can be avoided.

Description

Technical Field

[0001] This utility model relates to the field of logistics equipment technology, and in particular to an RFID-based equipment inventory device. Background Technology

[0002] With the rapid development of modern commerce and industry, warehouse management plays a crucial role in the supply chain. Accurate and timely inventory management is the foundation for ensuring smooth business operations. As the core link of inventory management, the efficiency and accuracy of goods counting directly affect the economic benefits and service quality of enterprises. In recent years, radio frequency identification (RFID) technology has been gradually applied to warehouse management and logistics to improve the speed and accuracy of goods counting.

[0003] RFID technology automatically identifies and tracks items with electronic tags via radio signals, enabling data reading and writing without human intervention, making it an ideal alternative to traditional barcode technology. However, in large-scale warehouses, existing inventory methods mostly rely on staff using handheld RFID readers. For warehouses with large areas and diverse goods, this method requires staff to move between shelves to count RFID-tagged items, which is not only time-consuming and labor-intensive, but also prone to distraction, increasing the risk of omissions and affecting the final inventory results and accuracy. Utility Model Content

[0004] In view of this, the present invention provides an RFID-based equipment inventory device, which can overcome the disadvantages of workers using handheld RFID readers to count goods with RFID tags between shelves, which is not only time-consuming and laborious, but also may cause workers to lose focus and increase the risk of omissions.

[0005] The technical solution of this utility model is: an RFID-based equipment inventory device, including an S-shaped guide rail, a mobile trolley, guide wheels, a lifting frame, a guide rod, a placement seat, an RFID reader / writer terminal, a lifting assembly, and a fixing assembly. The mobile trolley is set on the S-shaped guide rail, and two guide wheels are symmetrically rotatably connected to the bottom of the mobile trolley, with the two guide wheels respectively contacting the two sides of the S-shaped guide rail. The lifting frame is slidably connected inside the mobile trolley, and the guide rod is symmetrically slidably connected to the lifting frame. The placement seat is connected to the upper end of the guide rod, and the placement seat has a placement hole. The RFID reader / writer terminal is placed in the placement hole. The lifting assembly is used to drive the lifting frame and the placement seat to lift and lower, and the fixing assembly is used to fix the RFID reader / writer terminal.

[0006] In one embodiment, the lifting assembly includes a first electric push rod, a mounting rod, and a second electric push rod. The first electric push rod is symmetrically installed inside the mobile trolley, and the telescopic rod of the first electric push rod is connected to the lifting frame. The mounting rod is connected inside the lifting frame, and the guide rod slides through the mounting rod. The second electric push rod is installed on the mounting rod, and the telescopic rod of the second electric push rod slides through the top of the lifting frame and is connected to the bottom of the placement seat.

[0007] In one embodiment, the fixing component includes a rubber ring, a third electric push rod, and a rubber block. The rubber ring is connected to the placement hole, the third electric push rod is symmetrically installed on the placement seat, and the rubber block is connected to the telescopic rod of the third electric push rod.

[0008] In one embodiment, the device further includes a mounting plate and a rubber plate. The mounting plate is symmetrically connected to both sides of the mobile trolley, and the rubber plate is connected to the bottom of the mounting plate. The rubber plate has square holes.

[0009] In one embodiment, a distance sensor is also included, which is symmetrically mounted on both sides of the mobile vehicle and located above the mounting plate.

[0010] In one embodiment, the device also includes a rubber sleeve and a magnet. The two rubber sleeves are symmetrically arranged on the outside of the RFID reader / writer terminal, and the inside of the rubber sleeves is hollow. The magnet is connected to the inside of the rubber sleeves, and the magnets inside the two rubber sleeves are attracted to each other by magnetic force.

[0011] The beneficial effects are: 1. Through the cooperation of S-shaped guide rail, mobile trolley and fixed components, this utility model can drive RFID reading and writing terminals to automatically shuttle between various shelves to count goods with RFID tags. This not only improves the counting speed and reduces manual intervention, but also ensures the accuracy and consistency of each count and avoids errors caused by manual operation.

[0012] 2. This utility model, through the design of a lifting component, enables the RFID reader / writer terminal to perform comprehensive inventory in both horizontal and vertical directions, covering all levels of the shelf and ensuring no omissions; in addition, it is also designed with distance sensors and rubber plates, which can monitor obstacles on the movement path in real time, prevent collision accidents, keep the guide rails clean, and ensure the smooth operation of the mobile trolley. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0014] Figure 2 This is a schematic diagram of the installation of the guide wheel of this utility model.

[0015] Figure 3 This is a schematic diagram of the installation of the lifting component of this utility model.

[0016] Figure 4 This is a schematic diagram of the lifting frame and placement seat of this utility model when they are raised.

[0017] Figure 5 This is a schematic diagram of the installation of the fixing component of this utility model.

[0018] Figure 6 This is a schematic diagram showing the installation of the mounting plate, rubber plate, and distance sensor of this utility model.

[0019] Figure 7 This is a schematic diagram of the specific structure of the rubber sleeve and magnet of this utility model.

[0020] In the attached diagram, the following are the reference numerals: 1-S-shaped guide rail, 2-moving trolley, 3-guide wheel, 4-lifting frame, 5-guide rod, 6-placement seat, 601-placement hole, 7-RFID reader / writer terminal, 8-first electric push rod, 9-mounting rod, 10-second electric push rod, 11-rubber ring, 12-third electric push rod, 13-rubber block, 14-mounting plate, 15-rubber plate, 1501-square hole, 16-distance sensor, 17-rubber sleeve, 18-magnet. Detailed Implementation

[0021] 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.

[0022] Example: An RFID-based equipment inventory device, such as Figures 1-5 As shown, it includes an S-shaped guide rail 1, a mobile trolley 2, guide wheels 3, a lifting frame 4, a guide rod 5, a placement seat 6, an RFID reader / writer terminal 7, a lifting assembly, and a fixing assembly. Figure 1The length of the S-shaped guide rail 1 shown is only for reference. In actual applications, the length and angle of the S-shaped guide rail 1 can be laid according to the size of the warehouse and the needs of the user. The S-shaped guide rail 1 is equipped with a mobile trolley 2, which is an electrically driven self-moving trolley and belongs to the prior art, so it will not be described in detail here. The bottom of the mobile trolley 2 is symmetrically connected to two guide wheels 3, and the two guide wheels 3 are in contact with the two sides of the S-shaped guide rail 1 respectively. During the movement of the mobile trolley 2, the guide wheels 3 always roll close to the two sides of the S-shaped guide rail 1, which can guide the mobile trolley 2 and make it move along the laying path of the S-shaped guide rail 1. The guide wheels 3 can be made of rubber wheels with a certain degree of elasticity, which can adapt to deformation when turning. The mobile trolley 2 has a sliding connection to a lifting frame 4. Two guide rods 5 are symmetrically slidably connected to the upper part of the lifting frame 4. A placement seat 6 is connected between the upper ends of the two guide rods 5. The bottom of the placement seat 6 contacts the top of the lifting frame 4, and a placement hole 601 is opened on the placement seat 6. The RFID reader / writer terminal 7 can be placed in the placement hole 601. The lifting component is used to drive the lifting frame 4 and the placement seat 6 to move up and down. The fixing component is used to fix the RFID reader / writer terminal 7.

[0023] like Figure 3 and Figure 4 As shown, the lifting assembly includes a first electric push rod 8, a mounting rod 9, and a second electric push rod 10. Two first electric push rods 8 are symmetrically installed inside the moving trolley 2, and the telescopic rods of the two first electric push rods 8 are connected to the top of the lifting frame 4. The mounting rod 9 is connected to the middle of the top of the lifting frame 4, and the guide rod 5 slides through the mounting rod 9. The second electric push rod 10 is also installed in the middle of the mounting rod 9, and the telescopic rod of the second electric push rod 10 slides through the top of the lifting frame 4 and is connected to the bottom of the placement seat 6.

[0024] like Figure 5 As shown, the fixing assembly includes a rubber ring 11, a third electric push rod 12, and a rubber block 13. The inner wall of the placement hole 601 is connected to the rubber ring 11. Two third electric push rods 12 are symmetrically installed on the upper part of the placement seat 6, and a rubber block 13 is connected between the telescopic rods of the two third electric push rods 12. The rubber block 13 is located on one side of the placement hole 601.

[0025] First, according to the shelf placement in the warehouse, lay the S-shaped guide rail 1 between each shelf. Then, place the mobile trolley 2 on the S-shaped guide rail 1, ensuring that the two guide wheels 3 contact both sides of the S-shaped guide rail 1. Next, set the RFID reader / writer terminal 7 to automatic trigger mode and place it in the placement hole 601. Then, drive the rubber block 13 towards the RFID reader / writer terminal 7 via the third electric push rod 12, making the rubber block 13 contact the side of the RFID reader / writer terminal 7. The rubber block 13 can press the RFID reader / writer terminal 7 tightly against the inner wall of the rubber ring 11. At this time, the cooperation between the rubber block 13 and the rubber ring 11 can fix the RFID reader / writer terminal 7. If only the goods on the lower shelf need to be counted, the mobile trolley 2 can be started directly. Under the guidance of the guide wheels 3, the mobile trolley 2 will move automatically along the path of the S-shaped guide rail 1, and the RFID reader / writer terminal 7 will shuttle between each shelf, automatically completing the task. The RFID reader / writer 7 can complete the inventory of goods with RFID tags as long as the distance between the RFID reader / writer 7 and the goods with RFID tags is within a certain range. This process does not require manual intervention and can save time and manpower. If there are also goods on the upper shelves, the lifting frame 4 and the placement seat 6 can be driven to move up and down by the first electric push rod 8 and the second electric push rod 10 during the movement of the mobile trolley 2. In this way, the RFID reader / writer 7 can not only move in the horizontal direction, but also cover the goods on the upper shelves in the vertical direction to achieve a comprehensive inventory. When the staff needs to use the RFID reader / writer 7 alone, the rubber block 13 can be moved away from the RFID reader / writer 7 by the third electric push rod 12, so that the rubber block 13 releases the RFID reader / writer 7. Then the staff can take the RFID reader / writer 7 out of the placement hole 601.

[0026] like Figure 6As shown, it also includes mounting plates 14, rubber plates 15, and distance sensors 16. Mounting plates 14 are connected to both sides of the mobile trolley 2, and both mounting plates 14 are located directly above the S-shaped guide rail 1. Rubber plates 15 are connected to the bottom of both mounting plates 14. The lower part of each rubber plate 15 has a square hole 1501 with a shape adapted to the S-shaped guide rail 1, and the inner wall of the square hole 1501 contacts the outer wall of the S-shaped guide rail 1. Distance sensors 16 are also installed on both sides of the mobile trolley 2, and the distance sensors 16 are located above the mounting plates 14. When the mobile trolley 2 moves along the laying path of the S-shaped guide rail 1, The mounting plate 14 and rubber plate 15 can move along the laying path of the S-shaped guide rail 1. The rubber plate 15 can clean the impurities on the outer wall of the S-shaped guide rail 1, preventing the impurities on the outer wall of the S-shaped guide rail 1 from affecting the rolling of the guide wheel 3, and ensuring the normal movement of the mobile trolley 2. When the distance sensor 16 detects that there is an object or person blocking the movement path of the mobile trolley 2, the distance sensor 16 will send a signal. After receiving the signal, the controller of the mobile trolley 2 will stop moving until the distance sensor 16 detects that there is no object or person blocking the movement path of the mobile trolley 2, and then the mobile trolley 2 will continue to move.

[0027] like Figure 7 As shown, it also includes rubber sleeves 17 and magnets 18. The RFID reader / writer terminal 7 is covered by two rubber sleeves 17, and the end faces of the two rubber sleeves 17 are in contact with each other. The interior of the two rubber sleeves 17 is hollow, which not only reduces the overall weight of the device and makes it easy to carry and use, but also allows the internal air layer to effectively absorb and disperse energy when impacted, providing better cushioning protection. Magnets 18 are installed at both ends inside the rubber sleeves 17, and the magnets 18 inside the two rubber sleeves 17 attract each other through magnetic force to fix the rubber sleeves 17 to the outside of the RFID reader / writer terminal 7. When the staff uses the RFID reader / writer terminal 7 alone, if the RFID reader / writer terminal 1 is accidentally dropped to the ground, the rubber sleeves 17 can act as a buffer to reduce the risk of damage to the device.

[0028] The RFID reader / writer terminal 7 used in this invention is a semi-automatic trigger type operation mode, that is, it is equipped with a proximity sensor. When the RFID reader / writer terminal 7 is close to the RFID tag, it will be automatically activated, but the user can still confirm or perform specific operations by pressing the trigger.

[0029] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. All equivalent substitutions made within the principles of this utility model should be included within the protection scope of this utility model. Contents not described in detail in this utility model are existing technologies known to those skilled in the art.

Claims

1. An RFID-based equipment inventory device, characterized in that, The device includes an S-shaped guide rail (1), a mobile trolley (2), guide wheels (3), a lifting frame (4), a guide rod (5), a placement seat (6), an RFID reader / writer terminal (7), a lifting assembly, and a fixing assembly. The mobile trolley (2) is mounted on the S-shaped guide rail (1). Two guide wheels (3) are symmetrically rotated and connected to the bottom of the mobile trolley (2), and the two guide wheels (3) respectively contact the two sides of the S-shaped guide rail (1). The lifting frame (4) is slidably connected inside the mobile trolley (2). The guide rod (5) is symmetrically slidably connected to the lifting frame (4). The placement seat (6) is connected to the upper end of the guide rod (5), and the placement seat (6) has a placement hole (601). The RFID reader / writer terminal (7) is placed in the placement hole (601). The lifting assembly is used to drive the lifting frame (4) and the placement seat (6) to lift and lower. The fixing assembly is used to fix the RFID reader / writer terminal (7).

2. The RFID-based equipment inventory device as described in claim 1, characterized in that, The lifting assembly includes a first electric push rod (8), a mounting rod (9), and a second electric push rod (10). The first electric push rod (8) is symmetrically installed inside the mobile trolley (2), and the telescopic rod of the first electric push rod (8) is connected to the lifting frame (4). The mounting rod (9) is connected inside the lifting frame (4), and the guide rod (5) slides through the mounting rod (9). The second electric push rod (10) is installed on the mounting rod (9), and the telescopic rod of the second electric push rod (10) slides through the top of the lifting frame (4) and is connected to the bottom of the placement seat (6).

3. The RFID-based equipment inventory device as described in claim 2, characterized in that, The fixing assembly includes a rubber ring (11), a third electric push rod (12) and a rubber block (13). The rubber ring (11) is connected to the placement hole (601), the third electric push rod (12) is symmetrically installed on the placement seat (6), and the rubber block (13) is connected to the telescopic rod of the third electric push rod (12).

4. The RFID-based equipment inventory device as described in claim 3, characterized in that, It also includes a mounting plate (14) and a rubber plate (15). The mounting plate (14) is symmetrically connected to both sides of the moving trolley (2), and the rubber plate (15) is connected to the bottom of the mounting plate (14). The rubber plate (15) has a square hole (1501).

5. The RFID-based equipment inventory device as described in claim 4, characterized in that, It also includes a distance sensor (16), which is symmetrically installed on both sides of the mobile trolley (2) and located above the mounting plate (14).

6. The RFID-based equipment inventory device as described in claim 5, characterized in that, It also includes a rubber sleeve (17) and a magnet (18). The two rubber sleeves (17) are symmetrically arranged on the outside of the RFID reader / writer terminal (7), and the inside of the rubber sleeve (17) is hollow. The magnet (18) is connected inside the rubber sleeve (17), and the magnets (18) inside the two rubber sleeves (17) are attracted to each other by magnetic force.

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