CN216719109U

CN216719109U - Warehouse material system of checing based on RFID

Info

Publication number: CN216719109U
Application number: CN202220073626.5U
Authority: CN
Inventors: 沈建锋; 邵国华
Original assignee: Hangzhou Leifeng New Energy Technology Co ltd
Current assignee: Hangzhou Leifeng New Energy Technology Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-06-10
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a warehouse material checking system based on RFID (radio frequency identification devices), which belongs to the technical field of warehouse management and comprises RFID directional antenna modules, a loudspeaker, an android main board, a wireless transmission antenna and a server, wherein the RFID directional antenna modules are arranged indoors and outdoors, each RFID directional antenna module comprises an RFID antenna, the RFID antenna modules are in signal connection with an RFID reading module, the RFID reading modules are in signal connection with a single chip microcomputer, the single chip microcomputer is in signal connection with a network port circuit, an MAX 232-to-TTL circuit and an MAX232 serial port module, and through the RFID directional antenna modules arranged inside and outside a warehouse door, when warehouse material checking-out and warehousing quantity is carried out, manpower is not used as much as possible, the checking accuracy is improved, the labor cost is further saved, and the problem that the checking-out and warehousing quantity accuracy is not high is solved.

Description

Warehouse material system of checing based on RFID

Technical Field

The utility model relates to the technical field of warehouse management, in particular to a warehouse material inventory system based on RFID.

Background

In logistics management, management of warehouses is very complex, various warehouses and various devices are involved, and a warehouse management system is basically not required. With the continuous development of enterprise scale, the variety and quantity of materials for warehouse management are continuously increased, the warehouse entry and exit frequency is greatly increased, the warehouse management operation is very complicated and diversified, and only manual memory and manual input are needed, so that the time and labor are wasted, and errors are easy to occur. The traditional manual warehouse operation mode and the data acquisition mode are difficult to meet the rapid and accurate requirements of warehouse management, the operation work efficiency of enterprises is seriously influenced, and the system becomes a big obstacle for enterprise development.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a warehouse material checking system based on RFID (radio frequency identification devices), so as to solve the problem that a system for conveniently checking warehouse materials in warehouse management is urgently needed to be designed in actual life proposed in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a warehouse material inventory system based on RFID comprises RFID directional antenna modules installed indoors and outdoors, a loudspeaker, an android main board, a wireless transmission antenna and a server, wherein the android main board is connected with the RFID directional antenna modules installed indoors and outdoors, the loudspeaker and the wireless transmission antenna through signals, the wireless transmission antenna is connected with the server through signals, the RFID directional antenna module comprises an RFID antenna, the RFID antenna is connected with an RFID reading module through signals, the RFID reading module is connected with a single chip microcomputer through signals, the single chip microcomputer is connected with a network port circuit, an MAX232 conversion TTL circuit and an MAX232 serial port module through signals, the android main board comprises a main control unit, the main control unit is connected with a network circuit, a power input circuit, a USB power circuit, a WIFI/Bluetooth circuit, an RTC circuit and a TF read-write card circuit through signals, and rectangular waterproof boxes are arranged on the outer sides of the android main board, the loudspeaker and the MAX232 conversion TTL circuit, and a quadrangular frustum pyramid-shaped waterproof box is arranged on the outer side of the RFID directional antenna module.

Preferably, the android mainboard further comprises a substrate, and the substrate is provided with 10/100M self-adaptive network ports, a WiFi 2.4G module, a general USB, an OTG USB, two TTL level serial ports, a TF memory card, an IIC interface and 4 GPIO ports.

Preferably, the main control unit adopts an RK3128 chip and peripheral circuits.

Preferably, a MAC controller is arranged in the RK3128 chip.

Preferably, the MAX232 TTL circuit adopts a MAX232EUE chip and a matching circuit, the TTL is connected with the singlechip, and 232 is connected with an external port.

Preferably, the network port circuit adopts a W5500 chip and a matching circuit, the single chip microcomputer is communicated with the W5500 chip through an SPI bus, and the W5500 chip is connected to external network port equipment through an RJ45 interface.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the RFID directional antenna modules arranged inside and outside the warehouse door, when the warehouse goods and materials are checked to be in and out of the warehouse quantity, manpower is not used as much as possible, meanwhile, the checking accuracy is improved, the labor cost is further saved, the problem that the accuracy of the checking quantity to be in and out of the warehouse is not high is solved, and meanwhile, the system is read through the RFID at the highest speed, so that the time of checking the goods to be in and out of the warehouse is greatly shortened, and the system has practicability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a schematic diagram of the RFID directional antenna module of FIG. 1;

FIG. 3 is a schematic diagram of the android motherboard of FIG. 1;

FIG. 4 is an overall circuit diagram of the android motherboard in FIG. 1;

FIG. 5 is a circuit diagram of the power input circuit of FIG. 3;

FIG. 6 is a circuit diagram of the USB power supply of FIG. 3;

FIG. 7 is a circuit diagram of the network of FIG. 3;

FIG. 8 is a circuit diagram of the RTC circuit of FIG. 3;

FIG. 9 is a circuit diagram of the TF read/write card of FIG. 3;

fig. 10 is a circuit diagram of the WIFI/bluetooth circuit of fig. 3;

FIG. 11 is a MAX232 to TTL circuit diagram of FIG. 2;

fig. 12 is a circuit diagram of the network interface of fig. 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a warehouse material inventory system based on RFID comprises RFID directional antenna modules installed indoors and outdoors, a loudspeaker, an android main board, a wireless transmission antenna and a server, wherein the android main board is connected with the RFID directional antenna modules installed indoors and outdoors through signals, the loudspeaker and the wireless transmission antenna, the wireless transmission antenna is connected with the server through signals, the RFID directional antenna module comprises an RFID antenna, the RFID antenna is connected with an RFID reading module through signals, the RFID reading module is connected with a single chip microcomputer through signals, the single chip microcomputer is connected with a network port circuit, an MAX 232-turn TTL circuit and an MAX 232-serial port module through signals, the android main board comprises a main control unit, the main control unit is connected with a network circuit through signals, a power input circuit, a USB power circuit, a WIFI/Bluetooth circuit, an RTC circuit and a TF read-write card circuit, rectangular waterproof boxes are arranged on the outer sides of the android main board, the loudspeaker and the MAX 232-turn circuit, and a quadrangular frustum-shaped waterproof box is arranged on the outer side of the RFID directional antenna module, the device is installed in warehouse access gate, waterproof box outward appearance exposed part is seamless plastic construction, avoid the rainwater to get into the normal work of inside influence circuit, waterproof box can be fixed on the wall through self tapping screw, there is mounting plate RFID directional antenna module's waterproof box bottom, can be through screw or U-shaped bolt fastening, RFID directional antenna module reads the effective distance and is 0 ~ 8 meters, can realize crowd's function of reading through adjusting output power control distance, disposable reading many RFID cards.

Referring to fig. 4, the android motherboard further includes a substrate, and the substrate is provided with a module supporting 10/100M adaptive network ports, a WiFi 2.4G module, a general USB, an OTG USB, two TTL level serial ports, a TF memory card, an IIC interface, and 4 GPIO ports;

IN fig. 5, U10 is used for low voltage detection, that is, IN the case of F1 no welding, when the input voltage is high, U9 functions as LDO, and outputs 5V, and once DC drops to about 5.5V, U10 outputs low level to turn on Q1, at this time, U9 cannot work normally, but DC _5V can still keep close to 5V output, but actually welding only has F1, that is, phase change specifies that DC _ IN must be 5V;

in fig. 6, the power supply of the whole VCC _5V is from VCC _ SYS, and VCC _ SYS is from the android motherboard, that is, the android motherboard not only uses VCC _ SYS by itself, but also supplies the external power, but the voltage of VCC _ SYS may not be 5V, so that DT6104 is used to boost to 5V for supplying other peripherals; u14, U15 and U16 are all current-limiting switches and supply USB;

in fig. 7, since the main control unit adopts the RK3128 chip and the peripheral circuit, the RK3128 chip has a MAC controller built therein, and therefore the external interface is connected to a PHY to operate, and the interface is MII;

in fig. 8, an external 8563 is used as an RTC clock, and a J1 is connected with a 3V battery for normal use; in addition, the AP6212 module needs an external 32K signal, the RTC _ CLKOUT is incidentally used as a low-custom clock source supplied to the WiFi/bt module, the RTC _ INT signal can be used as a power-on circuit for waking up, and is also supplied to a pin 77 (GPIO0_ D4) of an android mainboard, and I2C0 is used for RTC communication;

in fig. 9, the SDMMC interface is multiplexed with the UART2 debug port, two functions are only 2 to 1, and in addition, Q8 is used for SD card power supply, and SDMMC _ PWR is enabled at low level;

in fig. 10, the WIFI part uses SDIO interface, the SDMMC1 interface is completely used, and WIFI _ REG _ ON/SPI _ CSN0/UART1_ RTS and WIFI _ HOST _ WAKE/I2C1_ SCL are added, the BT part uses 4 data lines of UART0 interface, BT _ WAKE/SPI _ RXD/UART1_ RX, BT _ RST/I2S _ LRCK _ TX, BT _ HOST _ WAKE/SPI _ TXD/UART1_ TX are added, and 4 PCM line interfaces are added; the Bluetooth uses UART0 as a data communication interface, and SPI (actually PCM) as a voice communication interface;

in fig. 11, a MAX232 to TTL circuit employs a MAX232EUE chip and a supporting circuit, the TTL is connected to the single chip, and 232 is connected to an external port;

in fig. 12, the network interface circuit adopts a W5500 chip and a matching circuit, the single chip microcomputer communicates with the W5500 chip through an SPI bus, and the W5500 chip is connected to an external network interface device through an RJ45 interface.

The working principle is as follows: the device realizes the reading of the quantity of materials; the method comprises the following steps of judging the direction of material entering and exiting the warehouse and uploading data of the material entering and exiting the warehouse, specifically: the reading of the quantity of the materials is mainly finished by an RFID directional antenna module, and then the data is transmitted to an android main board; the RFID directional antenna module reads RFID card data through the RFID antenna and then transmits the data to the single chip microcomputer, and the single chip microcomputer processes the data and transmits the data to an external module through the MAX232 serial port module;

the RFID directional antenna modules are divided into two blocks, one block faces outdoors, the other block faces indoors, due to the directional antenna, the antenna can only receive signals of the direction of the antenna, when materials are detected by the outdoor antenna and then detected by the indoor antenna, the materials can be considered to be stored in a warehouse, and the reverse detection sequence is the warehouse-out;

the RFID card data of article pass through MAX232 serial port module and pass to the tall and erect mainboard of ann, and the android mainboard installation is the apk procedure of independently developing, and data process apk procedure is handled and can be discerned how much goods and materials are read and the direction of business turn over, then data of the same kind are broadcast out through loudspeaker, and another way is through wireless transmission antenna transmission to the server.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand the utility model for and utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a warehouse goods and materials system of checing based on RFID, is including installing at indoor and outdoor RFID directional antenna module, loudspeaker, android mainboard, wireless transmission antenna and server, its characterized in that: android mainboard signal connection installs at indoor and outdoor RFID directional antenna module, loudspeaker and wireless transmission antenna, wireless transmission antenna signal connection server, RFID directional antenna module includes the RFID antenna, RFID antenna signal connection has RFID to read the module, RFID reads module signal connection has the singlechip, singlechip signal connection has net gape circuit, MAX232 commentaries on classics TTL circuit and MAX232 serial ports module, android mainboard includes the master control unit, master control unit signal connection has network circuit, power input circuit, USB power supply circuit, WIFI bluetooth circuit, RTC circuit and TF and reads and writes the card circuit, android mainboard, loudspeaker and MAX232 commentaries on classics TTL circuit outside are provided with the waterproof box of rectangle, the RFID directional antenna module outside is provided with the waterproof box of four prismatic table shapes.

2. The RFID-based warehouse inventory system of claim 1, wherein: the android mainboard further comprises a substrate, wherein the substrate is provided with 10/100M self-adaptive network ports, a WiFi 2.4G module, a general USB, an OTG USB, two TTL level serial ports, a TF memory card, an IIC interface and 4 GPIO ports.

3. The RFID-based warehouse inventory system of claim 1, wherein: the main control unit adopts an RK3128 chip and peripheral circuits.

4. The RFID-based warehouse inventory system of claim 3, wherein: and an MAC controller is arranged in the RK3128 chip.

5. The RFID-based warehouse inventory system of claim 1, wherein: the MAX232 to TTL circuit adopts a MAX232EUE chip and a matched circuit, TTL-RX and TTL-TX of the MAX232EUE chip are connected with the singlechip, and RX232-RX and RX232-TX of the MAX232EUE chip are connected with an external port.

6. The RFID-based warehouse inventory system of claim 1, wherein: the net gape circuit adopts W5500 chip and supporting circuit, the singlechip passes through SPI bus and W5500 chip communication, the W5500 chip is received on the outside net gape equipment through the RJ45 interface.