CN210515413U

CN210515413U - Dangerous goods management system based on RFID

Info

Publication number: CN210515413U
Application number: CN201922142870.3U
Authority: CN
Inventors: 高铁成; 赖珏竹; 原溪晨; 李文广; 胡稼伟; 张兆琦; 远桂民
Original assignee: Tianjin Polytechnic University
Current assignee: Tianjin Polytechnic University
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-05-12
Anticipated expiration: 2029-12-04

Abstract

The utility model belongs to the technical field of dangerous goods management, and discloses a dangerous goods management system based on RFID, wherein the management system comprises an isolation storage cabinet which is a metal cabinet, and a plurality of independent storage cavities are arranged in the cabinet body; the dangerous goods label is packaged or stuck on the dangerous goods and stores basic information corresponding to the dangerous goods; the read-write device is arranged outside the isolated storage cabinet and mainly comprises a controller, a reader-writer, a wireless communication module and a plurality of coupling antennas, wherein the plurality of coupling antennas are all in wired and electric connection with the reader-writer, and the plurality of coupling antennas are respectively positioned in a plurality of independent storage cavities and form single pairing with the independent storage cavities; the PC upper computer is wirelessly connected with the read-write device through the wireless communication module to acquire the data read by the reader-writer and process and store the data; to sum up, make the utility model has the advantages of high efficiency, safety, accurate management effect to still have with low costs.

Description

Dangerous goods management system based on RFID

Technical Field

The utility model belongs to the technical field of hazardous articles management, concretely relates to hazardous articles management system based on RFID.

Background

Dangerous goods are the general names of inflammable, explosive, strongly corrosive and toxic goods. The use, transportation and storage of dangerous goods are strictly regulated and should be handled according to dangerous goods regulations. In the traditional technology, enterprises usually adopt special warehouses for dangerous goods storage, manual or electronic recording of warehouse entry and exit, double-person on-site signature confirmation and double-person on-site supervision. However, the management mode mainly depends on human operation, and the problems of potential safety risk, data opaqueness, incapability of tracing the process, unclear authority definition and the like exist.

In addition, along with the deep application of the internet of things technology, some systems and methods for dangerous goods management based on the RFID technology appear, and taking the structural block diagram shown in fig. 1 as an example, the existing dangerous goods management system based on the RFID mainly includes three parts, namely a radio frequency tag, an RFID reader-writer and an upper computer data management system, wherein: the radio frequency label consists of an antenna and a radio frequency chip, is a data carrier of the whole management system, and each label contains a unique identification code and stores basic information of an identified object. The RFID reader mainly comprises an antenna, a front-end radio frequency module, a control module and a communication interface, is singly matched with a radio frequency tag, is a core part of the whole management system, and is mainly responsible for reading and writing and processing the data of the radio frequency tag and communicating with an upper computer data management system. The upper computer data management system mainly completes analysis processing and storage management on data. However, in the existing system, the radio frequency tag and the RFID reader-writer are mostly coupled by a high-power ultrahigh frequency technology, so that the problem of high cost exists; in addition, in the existing ultrahigh frequency technology, in order to ensure that the RFID reader can be smoothly coupled with the radio frequency tag, the transmission power of the forward link of the RFID reader is required to be much larger than the reflection power of the reverse link of a single radio frequency tag, so that when the radio frequency tags are close to each other, the phenomenon that a plurality of radio frequency tags are detected by the RFID reader will occur, and the problem of identification errors will occur.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a dangerous goods management system based on RFID to reach high efficiency, safety, accurate management effect.

In order to achieve the above object, the utility model provides a following technical scheme:

dangerous goods management system based on RFID

The method comprises the following steps:

the isolation storage cabinet is a metal cabinet, a plurality of independent storage cavities are formed in the cabinet body and used for separately storing dangerous goods, and each independent storage cavity is provided with a sealing door to realize the closed storage of the dangerous goods;

the dangerous goods label is a low-power and ultrahigh-frequency RFID radio frequency label, is packaged or stuck on the dangerous goods and stores basic information corresponding to the dangerous goods;

the read-write device is arranged outside the isolated storage cabinet and mainly comprises a controller, a reader-writer, a wireless communication module and a plurality of coupling antennas, wherein the plurality of coupling antennas are all in wired and electric connection with the reader-writer, and the plurality of coupling antennas are respectively positioned in a plurality of independent storage cavities and form single pairing with the independent storage cavities;

and the PC upper computer is in wireless connection with the read-write device through the wireless communication module, acquires the data read by the reader-writer, and processes and stores the data.

Further comprising:

the unlocking tag adopts a low-power and high-frequency RFID radio frequency tag and stores identity information of a manager with the unlocking tag;

and each sealing door is provided with a coded lock, the coded lock is in wired connection with a controller in the read-write device, and can be in contact coupling with an unlocking tag to read stored information and complete unlocking operation.

Further comprising:

the local area network switch is connected between the wireless communication module and the PC upper computer to realize multi-channel transmission of data;

the cloud platform is connected with the local area network switch, acquires data transmitted by the local area network switch and stores the data in a cloud manner;

and the mobile terminal is used for accessing the cloud platform and acquiring the data stored in the cloud platform.

Preferably, the mobile terminal is held by a manager, and the unlocking tag is packaged in the mobile terminal.

Further, the serial model of the controller is STM32, and the controller is connected with the reader-writer through a serial port; the wireless communication module adopts a WIFI module.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the system realizes full-automatic monitoring, improves the management efficiency of dangerous goods, and also ensures the life safety of managers.

(2) Based on the arrangement of the isolation storage cabinet, the dangerous goods label and the coupling antenna can complete radio frequency coupling in a low-power state, so that the radio frequency monitoring cost is reduced, the phenomenon of identification errors caused by high-power radio frequency coupling is avoided, and the accuracy of the whole system is effectively improved.

(3) Based on the cooperation of the unlocking label and the coded lock, the identity information of the operation management personnel is accurately acquired, so that the effective traceability in the management process is realized, the integrity of the management information is ensured, and the problem of unclear definition of authority responsibility is avoided.

Drawings

FIG. 1 is a block diagram of a prior art RFID management system;

fig. 2 is a schematic structural diagram of the RFID-based hazardous materials management system of the present invention;

fig. 3 is a schematic structural diagram of a read/write device in the management system provided by the present invention;

fig. 4 is a schematic diagram of a main control circuit of the controller in the management system provided by the present invention;

FIG. 5 is a chip package diagram of a reader/writer in the management system provided by the present invention;

fig. 6 is a schematic diagram of a chip circuit of a wireless communication module in the management system provided by the present invention;

in the figure: 10-an isolated storage cabinet, 11-an independent storage cavity, 12-a sealing door, 13-a coded lock, 20-a dangerous goods label, 30-a reading and writing device, 31-a controller, 32-a wireless communication module, 33-a reader, 34-a coupling antenna, 40-a PC upper computer, 50-a local area network switch, 60-a cloud platform, 70-a mobile terminal and 71-an unlocking label.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

The present embodiment provides a dangerous goods management system based on RFID, please refer to fig. 2, which is a schematic structural diagram of the management system, including an isolated storage cabinet 10, a dangerous goods tag 20, a read-write device 30, a PC upper computer 40, a local area network switch 50, a cloud platform 60 and a mobile terminal 70;

wherein:

the isolated storage cabinet 10 is a metal cabinet, a plurality of independent storage cavities 11 are formed in the cabinet body, a dangerous article is independently stored in each independent storage cavity 11, and the independent storage cavities 11 are provided with sealing doors 12, so that the dangerous articles are stored in a sealed manner; and a coded lock 13 is also arranged on the sealing door 12, so that the dangerous goods are encrypted and stored.

The dangerous goods label 20 is a low-power and ultrahigh frequency RFID (radio frequency identification) radio frequency label, is packaged or adhered on the dangerous goods, and stores basic information corresponding to the dangerous goods.

Referring to fig. 3, the read/write device 30 is a schematic structural diagram of the read/write device 30, and includes a controller 31, a reader 33, a wireless communication module 32, and a plurality of coupling antennas 34, where the plurality of coupling antennas 34 are all wired and electrically connected to the reader 33, and in addition, in combination with fig. 1, the plurality of coupling antennas 34 are respectively located in the plurality of independent storage cavities 11 and form a single pair with the independent storage cavities 11.

Specifically, the method comprises the following steps:

the controller 31 selects, preferably, an STM32F103C8T6 single chip microcomputer in an STM32 series as a component of a main control circuit, wherein a schematic diagram of the main control circuit is shown in fig. 4, and in addition, peripheral circuits of the main control circuit further include a clock circuit, a JTAG circuit, an analog-digital isolation circuit and a reset circuit.

The reader/writer 33 selects, preferably, a MagicRF-series reader/writer chip, which has advantages of low voltage, low power consumption, small size, low cost, and the like, compared with other chips of the same type and function. Further, a preferred chip model is MagicRFQM100, the chip package diagram of which is shown in fig. 5. In addition, the reader/writer 33 and the controller 31 perform data interaction via a serial port.

The wireless communication module 32 selects a WIFI module preferably composed of ESP8266 chips, and compared with other chips of the same type, the WIFI module is a very complete WIFI network system, supports antenna classification, and is internally provided with a low-power 32-bit CPU (which can be used as an application processor); the chip circuit schematic diagram is shown in fig. 6.

The PC upper computer 40 is wirelessly connected to the read/write device 30 through the wireless communication module 32, and acquires, processes and stores the data read by the reader/writer 33. In practical applications, the PC host computer 40 may be one or more computers.

And the local area network switch 50 is connected between the wireless communication module and the PC upper computer to realize multi-channel transmission of data. Specifically, the non-mobile monitoring and the mobile monitoring are respectively configured by a channel transmitted to the PC upper computer 40 and a channel transmitted to the cloud platform 60.

The cloud platform 60 is connected with the local area network switch 50, acquires data transmitted by the local area network switch 50, and performs cloud storage;

and the mobile terminal 70 is used for accessing the cloud platform 60 and acquiring the data stored in the cloud platform 60. In practical applications, the mobile terminal 70 may be one or more mobile electronic devices such as a mobile phone, an IPAD, and the like. Specifically, the mobile terminal 70 is held by a manager, one manager holds one mobile terminal 70, an unlocking tag 71 storing identity information of the manager is arranged in the mobile terminal 70, the unlocking tag 71 adopts a low-power and high-frequency RFID radio frequency tag and is in contact coupling with the coded lock 13 to unlock the independent storage cavity 11, and then dangerous goods are taken out or stored, and when the unlocking tag 71 is coupled with the coded lock 13, the coded lock 13 can obtain the identity information stored in the unlocking tag 71 and perform secondary storage in the coded lock 13, so that the effects of recording and operating the operation and corresponding to the manager are achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. RFID-based hazardous materials management system, comprising:

the dangerous goods label adopts a low-power and ultrahigh-frequency RFID radio frequency label, is packaged or stuck on the dangerous goods and stores basic information corresponding to the dangerous goods;

2. The RFID-based hazardous material management system of claim 1, wherein: the system also comprises an unlocking tag, wherein a low-power and high-frequency RFID radio frequency tag is adopted, and identity information of a manager with the unlocking tag is stored; and each sealing door is provided with a coded lock, the coded lock is in wired electric connection with a controller in the read-write device, and the coded lock is in contact coupling with the unlocking tag to acquire storage information and complete unlocking operation.

3. The RFID-based hazardous material management system of claim 2, further comprising:

4. The RFID-based hazardous material management system of claim 3, wherein: the mobile terminal is held by a manager, and the unlocking tag is packaged in the mobile terminal.

5. The RFID-based hazardous material management system of any one of claims 1-4, wherein: the serial model of controller is STM32, and is connected through the serial ports between controller and the read write line.

6. The RFID-based hazardous material management system of claim 5, wherein: the wireless communication module adopts a WIFI module.