CN220463835U - Intelligent RFID tool car - Google Patents

Abstract

The utility model discloses an intelligent RFID tool car, which relates to the technical field of tool management application and comprises a computer box, a control box and a cabinet body, wherein the computer box is connected with the control box and the cabinet body and comprises an integrated machine, an information identification module and a battery pack; the control box is connected with the cabinet body and is positioned right behind the cabinet body, and comprises an RFID reader-writer, a network control output board and a switch; the cabinet body is provided with a containing cavity for containing a plurality of drawers, a plurality of tools with electronic tags are arranged inside the drawers, and a plurality of antenna boards are arranged outside the drawers; the drawer signals of each layer are not mutually interfered, the whole machine signal shielding effect is good, and the phenomenon of overflowing of radio frequency signals is avoided. The problems of tool loss, confusion in borrowing and returning and the like are effectively avoided.

Description

Intelligent RFID tool car

Technical Field

The utility model relates to the technical field of tool management application, in particular to an intelligent RFID tool car.

Background

The BHONG intelligent RFID tool vehicle is used as a movable storage device and is widely applied to the fields of industrial production, military industry manufacturing and the like. Because various tools required in the enterprise production are various and huge in quantity. The manual management can cause the confusion of tool placement, inaccurate inventory quantity, lost borrow, unable to locate relevant responsible persons, and cause fixed asset loss. Sometimes, because of the misleading contradiction between production staff caused by tool borrowing and returning problems, great obstruction and trouble are brought to the production and the manufacture of enterprises.

In order to solve the above problems, technicians generally use a tool car with RFID technology, attach an electronic tag to each tool, and detect the tool in the whole car through one or more far-field rf linear polarized antennas in the whole car. However, the far-field radio frequency antenna has the problems that the reading distance is long, signal interference phenomenon exists between the far-field radio frequency antenna and the far-field radio frequency antenna, and when the far-field radio frequency antenna is in full power output, the box body of a tool box with a conventional structure is easy to penetrate through, so that the radio frequency signal overflows, tools outside the box body can be erroneously detected, borrowing and returning errors are easy to be caused, serious misjudgment exists on inventory results, and great trouble is brought to users. In addition, the structure can not distinguish and identify each layer of drawer, tools are stored in disorder, and the structure has no position irregular limitation, so that a user spends high time and cost when searching and accessing tools. In addition, the login system identification mode of the user is single, the system use authority is layered and fuzzy, and each user authority cannot be independently set.

Disclosure of Invention

In order to solve the problems in the prior art, the intelligent RFID tool car provided by the utility model can accurately and independently identify and inventory tools of drawers at each layer, and signals of each layer of structure are not mutually interfered, the whole machine signal shielding effect is good, the phenomenon of radio frequency signal overflow is avoided, and the user login mode is integrated with the rapid login modes such as face recognition, IC (integrated circuit) work card identification, password identification and the like, so that the intelligent RFID tool car has the advantages of high working efficiency, high inventory rate and high accuracy. The problems of tool loss, confusion in borrowing and returning and the like are effectively avoided.

The technical scheme is as follows: in order to achieve the aim of the utility model, the intelligent RFID tool car comprises a computer box, a control box and a cabinet body,

the computer box is connected with the control box and the cabinet body and comprises an integrated machine, an information identification module and a battery pack;

the control box is connected with the cabinet body and is positioned right behind the cabinet body, and comprises an RFID reader-writer, a network control output board and a switch;

the cabinet body is provided with a containing cavity for containing a plurality of drawers, a plurality of tools with electronic tags are arranged inside the drawers, and a plurality of antenna boards are arranged outside the drawers;

preferably, the integrated machine is a windows ten-point capacitive touch integrated machine with the size of 11.6 inches: the Windows7-64 bit system adopts an I5-6 generation processor, 4G+128G storage, 1920 x 1080 resolution, configuration of a double gigabit network port and external connection of 4 groups of USB ports.

Preferably, the battery pack is a 12V/40AH high-capacity lithium battery pack, an iron lithium battery core with extremely high safety is adopted, the battery pack is manufactured through a factory pack process, and output products are as follows: short-circuit protection, open-circuit protection, overcurrent protection and undervoltage protection, and has low-power buzzer alarm.

Preferably, the switch is an ethernet gigabit switch.

Preferably, the cabinet has a space for accommodating 8 layers of drawers.

Preferably, each tool has a unique EPC-encoded RFID anti-metal electronic tag mounted thereon.

Preferably, the antenna plate is a circularly polarized near field antenna plate. The circularly polarized near field panel antenna has the characteristics of read omission prevention, interference resistance and the like when the electronic tag is identified.

Further, the antenna board is located on the drawer upper surface or the drawer upper surface and the drawer lower surface.

Further, sliding guide rails connected with the cabinet body bearings are arranged on two sides of the drawer.

Further, the information identification module comprises a face identification module, a tool identification module, an IC card reader and a password login module.

Preferably, the face recognition module adopts a binocular camera to perform face recognition.

Further, the computer case also comprises an indicator light, a power switch and a first interface.

Preferably, the indicator lights are divided into a green door opening indicator light and a red overtime indicator light, and the working voltages of the two indicator lights are 12V, and the shapes of the two indicator lights are all strip-shaped.

Further, when the drawer is opened, the green indicator light is on; when the drawer is in an open state for a long time, here we generally set for 5 minutes, after which a red timeout indicator lights up.

Preferably, the first interface is two USB interfaces.

Further, the network control output board comprises a network control board and an IO output board.

Preferably, the network control board is 1, and the IO output boards are two.

Further, the control box further comprises a plurality of electric control locks, an electric quantity display and a second interface, wherein the electric control locks are embedded into the control box and are positioned on the rear side outside the drawer.

Preferably, the second interface includes an RJ45 network port, a 12V power adapter aerial socket, and a battery charging aerial socket.

Further, the cabinet body is a product manufactured based on sheet metal.

Further, handles are arranged on two sides of the tool car, and universal wheels and directional wheels are arranged at the bottoms of the handles.

Preferably, the number of the universal wheels and the number of the directional wheels are 2.

Further, one side of the tool car is also provided with an externally hung tool box.

The beneficial effects are that: the intelligent RFID tool car has the advantages that the intelligent RFID tool car can accurately and independently identify and inventory tools of drawers at each layer, can efficiently inventory tools in the car, has no interference of signals of each layer of structure, has good signal shielding effect of the whole machine, and has no overflow phenomenon of radio frequency signals. The problems of tool loss, lending and returning confusion and the like are effectively avoided;

the utility model has one of the beneficial effects that the utility model integrates the quick login modes such as face recognition, IC (integrated circuit) work card recognition, password recognition and the like for the login mode of the user, thereby realizing high working efficiency, high inventory speed and high accuracy;

the intelligent RFID tool car has the beneficial effects that circular polarized flat antennas are arranged on the upper layer and the lower layer of the drawer of the tool car, so that tool missing reading technical barriers different from other technologies can be realized.

Drawings

FIG. 1 is a rear view cross-sectional view of an embodiment smart RFID tool car;

FIG. 2 is a front view of an embodiment smart RFID tool cart;

fig. 3 is a perspective view of an embodiment smart RFID tool car.

Detailed Description

As shown in fig. 1 and 2, the intelligent RFID tool car comprises a computer case 1, a control case 2 and a cabinet body 3, wherein the computer case 1 is connected with the control case 2 and the cabinet body 3; the control box 2 is connected with the cabinet body 3 and is positioned right behind the cabinet body 3; the computer case 1 is located on the upper surfaces of the control case 2 and the cabinet body 3, and can be located on a certain side of the upper surface or can be located in the middle, and the upper surface is a surface opposite to the direction of the casters 25.

The computer case 1 comprises an integrated machine 4, an information identification module and a battery pack 5; the information identification module comprises a face identification module 6, a tool identification module 7, an IC card reader 8 and a password login module. In this embodiment, the face recognition module 6 is a binocular camera face recognition module, and further includes an indicator light, a power switch 9 and a first interface, where the indicator light is divided into a strip 12V green door opening indicator light 10 and a strip 12V red timeout indicator light 11. The first interface is two USB interfaces 12, and the USB interfaces 12 are mainly used for externally connecting a keyboard mouse, a USB card sender and a mobile storage device, so that a user can copy files and other shortcut operations conveniently. The computer case 1 is also provided with an external RJ45 network port for connecting devices such as a network storage device, a PC, a handheld PDA and the like, and is generally used for realizing functions such as data transmission in a local area network. In this embodiment, the power switch 9 may be a boat-shaped high-current switch, and the battery pack 5 is a 12V/40AH high-capacity lithium battery pack.

The control box 2 includes an RFID reader 13, a network control output board, and a switch 14. The network control output board comprises 1 network control board 15 and 2 IO output boards 16, and the switch 14 is an Ethernet gigabit switch. The battery charging aviation socket also comprises a plurality of electric control locks 17, an electric quantity display 18 and a second interface, wherein the second interface comprises an RJ45 network port 19, a 12V power adapter aviation socket 20 and a battery charging aviation socket 21. The RJ45 network port 19 is mainly used for external communication, and a user can use a network cable to connect with a local area network or a wide area network, a server and other devices, so that functions of remote data transmission and the like can be realized. The electric control lock 17 is installed in the control box 2 through a specially designed panel, the electric control lock 17 is located at the rear side of the outside of the drawer 22, and after the lock tongue below the drawer 22 is hooked by the electric control lock 17, the drawer 22 is regarded as being closed because of the detection switch installed in the electric control lock 17, and switch information is uploaded to 1 network control board 15 and 2 same-number IO output boards 16. When the electric control lock 17 releases the lock tongue below the drawer 22 and pushes out the drawer 22 from the push rod with the spring by utilizing the electric control lock 17, the drawer 22 is considered to be opened, and the switch information is uploaded to the customized 1 network control board 15 and 2 same-number IO output boards 16, and meanwhile the strip 12V green door opening indicator lamp 10 is lightened to remind a user that the drawer 22 is opened. When drawer 22 is opened for 5 minutes, bar 12V red timeout indicator 11 lights up, alerting the user to close drawer 22 as soon as possible.

The cabinet 3 is provided with a containing cavity for containing 8 drawers 22, and 7 layers or 6 layers of drawers 22 can be customized according to the requirements of users. The drawer 22 is internally provided with various tools with electronic tags, and as shown in fig. 3, the drawer 22 is externally provided with a plurality of antenna plates 23; the RFID anti-metal electronic tag with unique EPC codes is arranged on each tool, and the electronic tag is fixed on the surface of the tool in a special fixing mode, so that the use of the tool is not affected, the best signal state is achieved, and the EPC code principles are as follows: c01018888001, wherein c01 represents tool car number 1, bit 4 and bit 5 01 represent the first layer of tool car number 1, 8888 is a self-defined number, and 001 represents the same type of tool serial number. The antenna plate 23 is a circularly polarized near field antenna plate, the antenna plate 23 is located on the upper surface or the upper surface and the lower surface of each layer of drawer 22, and the antenna plate 23 is preferentially paved on the upper surface of the drawer 22 in this embodiment. The inner guide rails with bearings are arranged on two sides of the drawer 22, and the outer guide rails with bearings are arranged in the cabinet body 3 relative to the inner guide rails of each layer of drawer 22, so that the drawer 22 and the cabinet body 3 can be connected in a sliding mode. When the electric control lock 17 is in an open state, the drawer 22 can slide with the outer guide rail bearing through the bearing on the inner guide rail and push into the cabinet body 3; after the drawer 22 is closed, the cabinet body 3 can be perfectly attached to the cabinet body 3, an extension plate with the same thickness as the panel of the drawer 22 is further arranged on the cabinet body 3, and after the drawer 22 is closed, the phenomenon of signal overflow can be effectively prevented, so that the radio frequency signals of each layer of drawer 22 are ensured not to interfere with each other. The extension plate may be made of a metal material such as an aluminum plate or an iron plate, and is connected to a ground line to form a shielding metal layer; thus, the signal can be shielded in the cabinet body, and the possibility of overflow is reduced; the guide holes can be reserved on the extension plate, so that the signal wires or cables can enter the cabinet body through the holes, clamping or pulling of the drawer when the drawer is closed is avoided, and meanwhile the risk of signal overflow is reduced; the positions of the elements are reasonably planned and arranged, so that contact between signal wires or cables and the drawer is avoided as much as possible, and the possibility of interference and overflow is reduced. By the method, the extension board can effectively prevent the signal from overflowing after the drawer is closed, ensure the normal operation of electronic equipment or sensors and the like and keep the signal integrity. The cabinet body 3 adopts professional panel beating architecture design, can accomplish independent cut off between every layer, the characteristic that signal each other is not crosstalked to realize layering independent identification. Drawer 22 is made of thick cold-rolled steel plate, and has good shielding effect. The cabinet body 3 both sides of intelligent RFID tool car all are provided with stainless steel handle 24, and the automobile body bottom is provided with 4 truckles 25, all is 3 cun polyurethane silence wheels, and wherein 1 pair of directional wheel and 1 pair of universal wheel and from taking pedal brake function. The user can move the tool car to the working point using the two-sided stainless steel handles 24 and brake the fixed point to the resting position by means of the universal wheels in the casters 25. An externally hung tool box 26 is arranged on one side of the cabinet body 3 of the intelligent RFID tool car and used for storing small objects such as temporary emergency tools, consumed objects, data and the like, so that a timely and rapid picking and placing function can be achieved.

All electrical components on the intelligent RFID tool car can be connected with the 12V power adapter aviation socket 20 on the control box 2 through the external 12V power adapter to supply power for the intelligent RFID tool car, and when the intelligent RFID tool car is used by a user, the external 12V power adapter is connected to 220V alternating current, and at the moment, the intelligent RFID tool car can be electrified to automatically start up and run as long as the power switch 9 is pressed to the position of the number 1 or the number 0. Or the built-in battery pack 5 supplies power to the intelligent RFID tool car for operation, the battery pack 5 supplies power to the intelligent RFID tool car under the condition of sufficient electric quantity, and if the battery pack 5 is in operation or when the electric quantity of an idle state is exhausted, a buzzer built in the battery pack 5 can continuously give an alarm to remind a user to use a charger to supplement electric energy through the battery charging aviation socket 21 arranged in the control box 2. At the same time, the user can also inquire about the current electric quantity information of the battery through the electric quantity display 18 arranged in the control box 2. After the intelligent RFID tool car is electrified and automatically started and operated, a customized client program is developed on the integrated machine 4 to automatically start a login interface, and a user holds a work card to swipe the card on the IC card reader 8 or uses user face information identification authenticated by the binocular camera face recognition module 6 or carries out password input comparison login by the password login module.

When a user borrows a tool, a client program on the integrated machine 4 sends an unlocking command to the network control board 15 and the IO output board 16 through the Ethernet gigabit switch 14 by the integrated machine 4 through a TCP protocol, an electric control lock 17 of a drawer 22 at a corresponding layer releases a lock catch and pops up the drawer 22, and a strip 12V green door opening indicator lamp 10 positioned at the left side of the integrated machine 4 is lightened at the moment to indicate that the drawer 22 is in an open state; if drawer 22 has been open for 5 minutes, drawer 22 is not closed, and red timeout indicator light 11 is on bar 12V on the right side of all-in-one machine 4, at which point the user removes the tool to close drawer 22. The electric control lock 17 buckles the lock tongue under the drawer 22 and feeds back the state information to the network control board 15 and the IO output board 16, and the network control board 15 and the IO output board 16 upload the closing state information to the client program of the integrated machine 4 through the Ethernet gigabit switch 14. At this time, the client program transmits a disk storage command to the RFID reader 13 through the ethernet gigabit switch 14 by the TCP protocol, transmits an ultra-high frequency radio frequency signal of 902-928MHz to the circularly polarized near field panel antenna of the circularly polarized near field antenna board 23, scans and identifies the tool with the RFID anti-metal electronic tag in the frequency range, the RFID reader 13 gathers the scanned tool with the RFID anti-metal electronic tag information, and uploads the scanned tool with the RFID anti-metal electronic tag information to the client program of the all-in-one machine 4 through the ethernet gigabit switch 14 by the TCP protocol for data classification, so that a user can clearly inquire the tool stored in each layer of drawer 22 in the intelligent RFID tool car and the tool information already borrowed.

When the user returns the borrowed tool, clicking the tool returning function of the client program of the all-in-one machine 4, taking out the tool needing to be returned, aligning the tool identification module 7 on the computer case 1 of the intelligent RFID tool car, automatically opening the drawer 22 corresponding to the tool, putting the tool needing to be returned into the corresponding drawer 22 by the user, and closing the drawer 22. At this time, the electronic control lock 17 buckles the lower lock tongue of the drawer 22, feeds back status information to the network control board 15 and the IO output board 16, the network control board 15 and the IO output board 16 upload closed status information to the client program of the integrated machine 4 by the ethernet gigabit switch 14, the client program receiving the information issues a disk storage command to the RFID reader 13 through the ethernet gigabit switch 14 by the TCP protocol, the RFID reader 13 transmits 902-928MHZ ultrahigh frequency radio frequency signals to the circularly polarized near field panel antenna of the circularly polarized near field antenna board 23, scans and identifies tools with RFID anti-metal electronic tags in the frequency range, the RFID reader 13 gathers scanned tool data with RFID anti-metal electronic tags, and uploads the summarized scanned data to the client program of the integrated machine 4 by the ethernet switch 12, and the client program takes charge of data classification, so that the user can inquire the returned tool information.

The RFID reader 13 is provided with an antenna interface serial number, and the client program of the all-in-one machine 4 can sequentially number the circular polarization near field panel antennas of the circular polarization near field antenna plate 23 corresponding to each drawer 22, so that a certain tool provided with the RFID anti-metal electronic tag must be stored in the corresponding drawer 22. If a user puts the tools in the drawers 22 of other layers by mistake during returning the tools, after the user closes all the drawers 22 on the intelligent RFID tool car cabinet 3, the RFID reader 13 performs inventory, and at the moment, when the user recognizes that the tools stored in the wrong storage position in the drawers 22 of a certain layer, the drawers 22 of the layer are automatically opened, and simultaneously, a client program on the all-in-one machine 4 can remind the user of returning the tools into the correct drawers 22 by voice.

The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims (10)

1. An intelligent RFID tool car is characterized by comprising a computer box, a control box and a cabinet body,

the computer box is connected with the control box and the cabinet body and comprises an integrated machine, an information identification module and a battery pack;

the control box is connected with the cabinet body and is positioned right behind the cabinet body, and comprises an RFID reader-writer, a network control output board and a switch;

the cabinet body is provided with a containing cavity for containing a plurality of drawers, a plurality of tools with electronic tags are arranged inside the drawers, and a plurality of antenna boards are arranged outside the drawers.

2. The intelligent RFID tool cart of claim 1, wherein the antenna board is located on the drawer upper surface or the drawer upper and lower surfaces.

3. The intelligent RFID tool car of claim 2, wherein sliding guide rails connected with the cabinet bearings are arranged on two sides of the drawer.

4. The intelligent RFID kit of claim 1, wherein the information recognition module comprises a face recognition module, a tool recognition module, an IC card reader, and a password login module.

5. The intelligent RFID kit of claim 1, wherein the computer case further comprises an indicator light, a power switch, and a first interface.

6. The intelligent RFID tool cart of claim 1, wherein the network control output board comprises a network control board and an IO output board.

7. The intelligent RFID tool cart of claim 1, wherein the control box further comprises a plurality of electrically controlled locks, an electrical display, and a second interface, the electrically controlled locks being embedded in the control box and located on a rear side of the drawer exterior.

8. The intelligent RFID tool car of claim 1, wherein the cabinet is a sheet metal based product.

9. The intelligent RFID tool car of claim 8, wherein handles are provided on both sides of the cabinet, and universal wheels and directional wheels are provided on the bottom of the cabinet.

10. The intelligent RFID tool cart of claim 9, wherein one side of the cabinet is further provided with an external tool box.