CN213458160U - Intelligent monitoring device based on RFID technology - Google Patents
Intelligent monitoring device based on RFID technology Download PDFInfo
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- CN213458160U CN213458160U CN202022489763.0U CN202022489763U CN213458160U CN 213458160 U CN213458160 U CN 213458160U CN 202022489763 U CN202022489763 U CN 202022489763U CN 213458160 U CN213458160 U CN 213458160U
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- 238000005516 engineering process Methods 0.000 title claims abstract description 22
- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000012546 transfer Methods 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 21
- 230000002457 bidirectional effect Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 3
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Abstract
The utility model provides an intelligent monitoring device based on RFID technology, which comprises a transfer box body, wherein the transfer box body is provided with an openable door lock, an MCU, an RFID read-write unit, a GPS unit, a WiFi communication unit and a door lock control unit; the MCU is arranged in the transfer box body and comprises an SPI interface, a first serial port, a second serial port, a third serial port and a plurality of universal input and output ends; the RFID read-write unit is electrically connected with the SPI interface of the MCU; the GPS unit is electrically connected with a first serial port and a universal input/output end of the MCU; the WiFi communication unit is electrically connected with the second serial port and the universal input/output end of the MCU; the door lock control unit is electrically connected with the door lock and the third serial port of the MCU respectively.
Description
Technical Field
The utility model relates to a radio frequency identification equipment technical field especially relates to an intelligent monitoring device based on RFID technique.
Background
RFID identification technology was first used for identification of friend or foe in war. At the end of the last century, RFID technology has been widely used after standardization, and the working frequencies of the RFID technology include low frequency 125 KHz-134 KHz, high frequency 13.56KHz, ultrahigh frequency 860 KHz-96 MHz, microwave 2.45 GHz-5.8 GHz, and the like. Common application fields include the fields of vehicle identification, household appliance production, automatic production and the like.
Traditional storage field, the letter sorting of goods, vanning, delivery and storage link involve multistage transportation, all need count and count the goods at every turn, and it is very consuming time to along with the improvement of traffic and the continuous differentiation of individual demand, the mixed loading during freight is very general, carries out the degree of difficulty that real-time manual registration updates and also increases at double to it. Therefore, it is more urgent to monitor the quantity, type, etc. of goods in the transportation process in real time by using the RFID technology.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an intelligent monitoring device based on RFID technique that can realize that real-time position detects and goods storage state detects is provided.
The technical scheme of the utility model is realized like this: the utility model provides an intelligent monitoring device based on RFID technology, which comprises a transfer box body, wherein an openable door lock is arranged on the transfer box body; the system also comprises an MCU, an RFID read-write unit, a GPS unit, a WiFi communication unit and a door lock control unit;
the MCU is arranged in the transfer box body and comprises an SPI interface, a first serial port, a second serial port, a third serial port and a plurality of universal input and output ends;
the RFID read-write unit is electrically connected with the SPI interface of the MCU;
the GPS unit is electrically connected with the first serial port and the universal input/output end of the MCU;
the WiFi communication unit is electrically connected with the second serial port of the MCU and the universal input/output end;
the door lock control unit is electrically connected with the door lock and the third serial port of the MCU respectively;
the door lock control unit selectively opens or closes the door lock; the RFID reading and writing unit identifies goods put into or taken out of the transfer box body and identifies the identity of personnel opening the transfer box body; the GPS unit periodically sends the current position of the special box body; and the WiFi communication unit sends the information of the position, the personnel identity and the goods to the outside through the Internet.
On the basis of the above technical solution, preferably, the RFID reading and writing unit includes a radio frequency card reading chip U4, an antenna, and an electronic tag attached to the surface of the goods; the RFID read-write unit is provided with a first bidirectional receiving and transmitting end which is electrically connected with the SPI interface of the MCU in a one-to-one correspondence manner; the pin 1 and the pin 2 of the radio frequency card reading chip U4 are respectively connected with two ends of a crystal oscillator X1 in parallel; the pin 5, the pin 7 and the pin 29 of the radio frequency card reading chip U4 are respectively electrically connected with the antenna; the antenna sets up on the surface of transporting the box, and antenna and electronic tags non-contact wireless connection to for electronic tags provides the electric energy.
Further preferably, the rf card reading chip U4 is a CLRC632 from enzimup semiconductors.
Preferably, the GPS unit includes a transceiver U1 and a GPS chip U2, the transceiver U1 has a second bidirectional transceiving end and a third bidirectional transceiving end, the second bidirectional transceiving end is electrically connected to the first serial port of the MCU in a one-to-one correspondence, and an enable end of the transceiver U1 is electrically connected to the general input/output end of the MCU; the third bidirectional transceiving end of the transceiver U1 is electrically connected to the output end of the GPS chip U2.
Still further preferably, the WiFi communication unit includes a WiFi chip U3, the WiFi chip U3 has a fourth bidirectional transceiving end, the fourth bidirectional transceiving end and the enable end of the WiFi chip U3 are electrically connected to the second serial port and the universal input/output end of the MCU in a one-to-one correspondence; the WiFi communication unit is accessed to the Internet through a WiFi hotspot preset near the transfer box body.
Further preferably, the door lock control unit includes a USB to serial port chip U5 and a USB relay U6, the USB to serial port chip U5 has a fifth bi-directional transceiver electrically connected to the third serial port of the MCU, the output terminal of the USB to serial port chip U5 is electrically connected to pin 1 and pin 4 of the USB relay U6 in a one-to-one correspondence manner, pin 2 of the USB relay U6 is electrically connected to the door lock, and pin 5 of the USB relay U6 is electrically connected to the door lock driving power supply.
Still further preferably, the method is characterized in that: still include distance sensor, distance sensor is fixed to be set up in the cabinet door department of transporting the box, distance sensor and MCU's general input and output end electric connection.
On the basis of the technical scheme, preferably, the MCU is an STM32F103C8T6 singlechip of Italian semiconductor corporation.
The utility model provides a pair of intelligent monitoring device based on RFID technique for prior art, has following beneficial effect:
(1) the utility model discloses a set up MCU and corresponding functional circuit in the transportation box of goods, realize the location of transportation box, goods label discernment, transportation personnel identification, lock are opened and are closed control and data transmission function, after opening the transportation box at every turn, can carry out passive discernment to the goods of business turn over transportation box, remove the manual work inconvenience of scanning the record one by one from, improve circulation efficiency and reliability;
(2) the RFID read-write unit can identify the identity information of personnel corresponding to the transfer box body, so that malicious opening is prevented;
(3) the GPS unit can realize clock synchronization and position tracking;
(4) the WiFi communication unit can periodically send cargo information in the transfer box body to a remote control end of the Internet;
(5) the utility model discloses the transportation of trades such as commodity circulation, express delivery or storage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of a circuit structure of an intelligent monitoring device based on the RFID technology;
fig. 2 is a wiring diagram of an RFID read-write unit of an intelligent monitoring device based on RFID technology;
FIG. 3 is a wiring diagram of the MCU of the intelligent monitoring device based on RFID technology;
fig. 4 is a wiring diagram of a GPS unit of an intelligent monitoring device based on RFID technology;
fig. 5 is a wiring diagram of a WiFi communication unit of an intelligent monitoring device based on RFID technology;
fig. 6 is the utility model relates to a door lock control unit's wiring diagram based on intelligent monitoring device of RFID technique.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 all belong to the protection scope of the present invention.
As shown in fig. 1-6, the technical solution of the present invention is realized as follows: the utility model provides an intelligent monitoring device based on RFID technology, which comprises a transfer box body, wherein an openable door lock is arranged on the transfer box body; the system also comprises an MCU, an RFID read-write unit, a GPS unit, a WiFi communication unit and a door lock control unit;
the MCU, namely the U8 shown in the figure, is arranged in the transfer box body and comprises an SPI interface, a first serial port, a second serial port, a third serial port and a plurality of universal input and output ends;
the RFID read-write unit is electrically connected with the SPI interface of the MCU;
the GPS unit is electrically connected with the first serial port and the universal input/output end of the MCU;
the WiFi communication unit is electrically connected with the second serial port of the MCU and the universal input/output end;
the door lock control unit is electrically connected with the door lock and the third serial port of the MCU respectively;
the door lock control unit selectively opens or closes the door lock; the RFID reading and writing unit identifies goods put into or taken out of the transfer box body and identifies the identity of personnel opening the transfer box body; the GPS unit periodically sends the current position of the special box body; and the WiFi communication unit sends the information of the position, the personnel identity and the goods to the outside through the Internet. The utility model discloses during the use, at first open the personnel's of transporting the box identity by RFID read write unit discernment, just can make lock control unit open the lock of transporting the box when the identity accords with. When the user put into the goods in the box or took out the goods, RFID read write unit still can discern the goods of business turn over transportation box, removes the manual work and sweeps the inconvenience that the sign indicating number was registered one by one from, and the GPS unit can carry out the time-tick on the one hand, and on the other hand realizes the position detection of transporting the box. The WIFI unit can be with the remote control end on the internet of information transmission such as goods, the position of transporting the box, be convenient for inquiry and trail.
Specifically, as shown in fig. 2, the RFID reading and writing unit includes a radio frequency card reading chip U4, an antenna, and an electronic tag attached to the surface of the goods; the RFID read-write unit is provided with a first bidirectional receiving and transmitting end which is electrically connected with the SPI interface of the MCU in a one-to-one correspondence manner; the pin 1 and the pin 2 of the radio frequency card reading chip U4 are respectively connected with two ends of a crystal oscillator X1 in parallel; the pin 5, the pin 7 and the pin 29 of the radio frequency card reading chip U4 are respectively electrically connected with the antenna; the antenna sets up on the surface of transporting the box, and antenna and electronic tags non-contact wireless connection to for electronic tags provides the electric energy. The first bidirectional transceiving end comprises a pin 21, a pin 24, a pin 13 and a pin 22 of the radio frequency card reading chip U4, and the pins 33, 34, 35 and 36 of the MCU are correspondingly and electrically connected one by one to realize serial port communication.
The antenna consists of capacitors C3-C12, inductors L1 and L2, wherein the capacitors C3 and C4 are connected in series, the capacitors C6 and C5 are connected in series, the capacitors C9 and C10 are connected in series, and the capacitors C11 and C12 are connected in series and then connected in parallel, and the capacitor series ends of all parallel branches are grounded; the other end of the capacitor C6 and the other end of the capacitor C9 are also connected in parallel with two ends of the capacitor C2 respectively. The other end of the capacitor C3 is electrically connected with a pin 5 of the radio frequency card reading chip U4, and the other end of the capacitor C4 is electrically connected with a pin 7 of the radio frequency card reading chip U4; the parallel end of the capacitor C11 is also electrically connected to one end of the capacitor C8, and the other end of the capacitor C8 is electrically connected to the pin 29 of the radio frequency card reading chip U4. The antenna can be the electronic tags who pastes on the goods surface to and open the RFID card that the personnel of transshipment box held and discern.
The radio frequency card reading chip U4 of the present invention is the CLRC632 of Enzhipu semiconductor. The card chip is a non-contact read-write card chip, and energy and signal transmission can be realized through an antenna.
As shown in FIG. 3, the MCU of the present invention is STM32F103C8T6 SCM of Italian semiconductor corporation. The circuit shown is a wiring diagram schematic of a minimum system of the MCU.
As shown in fig. 4, a wiring diagram of the GPS unit is shown. The GPS unit comprises a transceiver U1 and a GPS chip U2, the transceiver U1 is provided with a second bidirectional transceiving end and a third bidirectional transceiving end, the second bidirectional transceiving end is electrically connected with the first serial ports of the MCU in a one-to-one correspondence manner, and the enabling end of the transceiver U1 is electrically connected with the general input/output end of the MCU; the third bidirectional transceiving end of the transceiver U1 is electrically connected to the output end of the GPS chip U2. The second bidirectional transceiving end of the transceiver U1 includes pin 1, pin 2, pin 3, and pin 4, the pin 2 and the pin 3 are electrically connected to the pin 62 of the MCU after being connected in parallel, and the pin 1 and the pin 4 of the transceiver U1 are electrically connected to the pin 30 and the pin 29 of the MCU in a one-to-one correspondence manner. The third bi-directional transceiving end of the transceiver U1 includes pins 6 and 7, and pins RXD and TXD of the GPS chip U2 are electrically connected in a one-to-one correspondence manner. The transceiver U1 is MAX3485, which can realize the level conversion function, and convert the TTL level at the MCU side to the 3.3V level meeting the 485 bus requirement; the GPS chip U2 is AIR 530.
As shown in fig. 5, a wiring diagram of a WiFi communication unit is shown, the WiFi communication unit includes a WiFi chip U3, the WiFi chip U3 has a fourth bi-directional transceiver terminal, and the fourth bi-directional transceiver terminal and the enable terminal of the WiFi chip U3 are electrically connected to the second serial port of the MCU and the general purpose input/output terminal in a one-to-one correspondence; the WiFi communication unit is accessed to the Internet through a WiFi hotspot preset near the transfer box body. A fourth bidirectional transceiving end of the WiFi chip U3, namely a URXD end and a UTXD end thereof, is electrically connected with the pins 16 and 17 of the MCU in a one-to-one correspondence manner; the CH _ PD terminal is an enable terminal, and the RST terminal is a reset terminal, which are electrically connected to the pins 49 and 50 of the MCU in a one-to-one correspondence manner. The preset WIFI hotspot can be a wireless router or mobile equipment such as a mobile phone with a networking function.
As shown in fig. 6, the door lock control unit includes a USB to serial port chip U5 and a USB relay U6, the USB to serial port chip U5 has a fifth bi-directional transceiver, the fifth bi-directional transceiver is electrically connected to a third serial port of the MCU, an output terminal of the USB to serial port chip U5 is electrically connected to pins 1 and 4 of the USB relay U6, pin 2 of the USB relay U6 is electrically connected to the door lock, and pin 5 of the USB relay U6 is electrically connected to the door lock driving power supply. The USB-to-serial port chip U5 is CH340G, can realize the conversion connection of a USB interface and a third serial port, and outputs a 5V direct-current voltage signal to the control end of a USB relay U6, namely a pin 1 and a pin 4 of a USB relay U6, when a coil of the USB relay U6 is attracted, a pin 2 and a pin 5 of a USB relay U6 are conducted, a door lock U7 is electrified, and unlocking action is executed; and vice versa. The door lock U7 is a movable part and needs large driving capability, so the control of the low-voltage signal on the door lock U7 is realized in a relay mode.
In addition, whether close in place for the cabinet door that detects the transport box, the utility model discloses still set up distance sensor, distance sensor is fixed to be set up in the cabinet door department of transporting the box, distance sensor and MCU's general input and output end electric connection. The distance sensor is not shown in the figure, and a distance sensor with an analog output signal, such as E2EM-X15C 12M of ohnlong, can be adopted, and the output voltage signal is directly connected to an ADC port of the MCU.
The utility model discloses have better real-time and security, be particularly suitable for applications such as express delivery cabinet, commodity circulation transfer station or takeaway case that need frequently open the chamber door.
The utility model discloses do not relate to the improvement of procedure part, obtain data manual and programming instruction very easily after acquireing corresponding component, no longer describe herein.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An intelligent monitoring device based on RFID technology comprises a transfer box body, wherein an openable door lock is arranged on the transfer box body; the method is characterized in that: the system also comprises an MCU, an RFID read-write unit, a GPS unit, a WiFi communication unit and a door lock control unit;
the MCU is arranged in the transfer box body and comprises an SPI interface, a first serial port, a second serial port, a third serial port and a plurality of universal input and output ends;
the RFID read-write unit is electrically connected with the SPI interface of the MCU;
the GPS unit is electrically connected with the first serial port and the universal input/output end of the MCU;
the WiFi communication unit is electrically connected with the second serial port of the MCU and the universal input/output end;
the door lock control unit is electrically connected with the door lock and the third serial port of the MCU respectively;
the door lock control unit selectively opens or closes the door lock; the RFID reading and writing unit identifies goods put into or taken out of the transfer box body and identifies the identity of personnel opening the transfer box body; the GPS unit periodically sends the current position of the special box body; and the WiFi communication unit sends the information of the position, the personnel identity and the goods to the outside through the Internet.
2. An intelligent monitoring device based on RFID technology as claimed in claim 1, wherein: the RFID reading and writing unit comprises a radio frequency card reading chip U4, an antenna and an electronic tag adhered to the surface of goods; the RFID read-write unit is provided with a first bidirectional receiving and transmitting end which is electrically connected with the SPI interface of the MCU in a one-to-one correspondence manner; the pin 1 and the pin 2 of the radio frequency card reading chip U4 are respectively connected with two ends of a crystal oscillator X1 in parallel; the pin 5, the pin 7 and the pin 29 of the radio frequency card reading chip U4 are respectively electrically connected with the antenna; the antenna is in non-contact wireless connection with the electronic tag and provides electric energy for the electronic tag.
3. An intelligent monitoring device based on RFID technology as claimed in claim 2, wherein: the RF card reader chip U4 is the CLRC632 of Enzhipu semiconductors.
4. An intelligent monitoring device based on RFID technology as claimed in claim 2, wherein: the GPS unit comprises a transceiver U1 and a GPS chip U2, the transceiver U1 is provided with a second bidirectional transceiving end and a third bidirectional transceiving end, the second bidirectional transceiving end is electrically connected with the first serial port of the MCU in a one-to-one correspondence manner, and the enabling end of the transceiver U1 is electrically connected with the universal input/output end of the MCU; the third bidirectional transceiving end of the transceiver U1 is electrically connected to the output end of the GPS chip U2.
5. An intelligent monitoring device based on RFID technology as claimed in claim 4, wherein: the WiFi communication unit comprises a WiFi chip U3, the WiFi chip U3 is provided with a fourth bidirectional transceiving end, and the fourth bidirectional transceiving end and the enabling end of the WiFi chip U3 are electrically connected with the second serial port and the universal input/output end of the MCU in a one-to-one correspondence manner; the WiFi communication unit is accessed to the Internet through a WiFi hotspot preset near the transfer box body.
6. An intelligent monitoring device based on RFID technology as claimed in claim 5, wherein: the door lock control unit comprises a USB-to-serial port chip U5 and a USB relay U6, the USB-to-serial port chip U5 is provided with a fifth bidirectional transceiving end, the fifth bidirectional transceiving end is electrically connected with a third serial port of the MCU, the output end of the USB-to-serial port chip U5 is electrically connected with a pin 1 and a pin 4 of the USB relay U6 in a one-to-one correspondence manner, a pin 2 of the USB relay U6 is electrically connected with the door lock, and a pin 5 of the USB relay U6 is electrically connected with the door lock driving power supply.
7. An intelligent monitoring device based on RFID technology as claimed in claim 6, wherein: still include distance sensor, distance sensor is fixed to be set up in the cabinet door department of transporting the box, distance sensor and MCU's general input and output end electric connection.
8. An intelligent monitoring device based on RFID technology as claimed in claim 1, wherein: the MCU is an STM32F103C8T6 singlechip of Italian semiconductor corporation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022489763.0U CN213458160U (en) | 2020-11-02 | 2020-11-02 | Intelligent monitoring device based on RFID technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022489763.0U CN213458160U (en) | 2020-11-02 | 2020-11-02 | Intelligent monitoring device based on RFID technology |
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| CN213458160U true CN213458160U (en) | 2021-06-15 |
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| CN202022489763.0U Active CN213458160U (en) | 2020-11-02 | 2020-11-02 | Intelligent monitoring device based on RFID technology |
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Effective date of registration: 20240329 Address after: Area 114-125, 1 / F, block D, Optical Valley Exhibition Center expansion project, No.1, Software Park East Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee after: FILLER SMART IOT TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 430000, No.1, Guanshan 1st Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: Wuhan Optical Valley United Group Co.,Ltd. Country or region before: China |
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