CN109386182A - A kind of intelligent remote remote control cabinet based on NB-IoT - Google Patents

A kind of intelligent remote remote control cabinet based on NB-IoT Download PDF

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Publication number
CN109386182A
CN109386182A CN201811495590.4A CN201811495590A CN109386182A CN 109386182 A CN109386182 A CN 109386182A CN 201811495590 A CN201811495590 A CN 201811495590A CN 109386182 A CN109386182 A CN 109386182A
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CN
China
Prior art keywords
circuit
cabinet
iot
microcontroller
electromagnetic lock
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Pending
Application number
CN201811495590.4A
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Chinese (zh)
Inventor
王晓峰
郝潇
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Shanxi University
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Shanxi University
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Priority to CN201811495590.4A priority Critical patent/CN109386182A/en
Publication of CN109386182A publication Critical patent/CN109386182A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/02—Locks or fastenings for special use for thin, hollow, or thin-metal wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/77—Power-operated mechanisms for wings with automatic actuation using wireless control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L2012/40208—Bus networks characterized by the use of a particular bus standard
    • H04L2012/40215—Controller Area Network CAN

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Selective Calling Equipment (AREA)

Abstract

本发明公开了一种基于NB‑IoT的智能远程遥控机柜，采用了NB‑IoT技术，具有的广覆盖、海量节点、低功耗、低成本的特点，非常适合作为无人值守机柜应用在广阔地域及大量安装等场景中；具有完善的睡眠/唤醒、低功耗等机制，适合无人值守机柜等长期依靠蓄电池工作的场合；本发明的机柜既可以实现远程控制、远程管理，又可以实现智能控制，相比传统机柜，在管理、维护等方面可以大量节省人力成本；同时可以快速构建出适用于各种场合的无线传感器网络。

The invention discloses an intelligent remote control cabinet based on NB-IoT, which adopts NB-IoT technology and has the characteristics of wide coverage, massive nodes, low power consumption and low cost, and is very suitable for being used as an unattended cabinet in a wide range of applications. It has perfect sleep/wake-up, low power consumption and other mechanisms, and is suitable for unattended cabinets and other occasions that rely on batteries to work for a long time; the cabinet of the present invention can realize both remote control and remote management. Intelligent control, compared with traditional cabinets, can save a lot of labor costs in management and maintenance; at the same time, it can quickly build wireless sensor networks suitable for various occasions.

Description

A kind of intelligent remote remote control cabinet based on NB-IoT
Technical field
The present invention relates to technical field of communication equipment, are remotely controlled machine more particularly to a kind of intelligent remote based on NB-IoT Cabinet.
Background technique
In recent years, with the rapid development of China's economic, the massive demand to outdoor cabinet is brought, such as: telecommunications row Industry, national grid, monitoring security protection etc., require a large amount of outdoor cabinets.Traditional cabinet often relies on manpower and is managed, hand Flowing mode carries out opening or closing operation.On the one hand a large amount of conventional cabinet needs a large amount of manpower to be managed, cost is efficient Rate is low；On the other hand, conventional cabinet is mostly mechanical lock even without lock, there are problems that irrelevant personnel can arbitrarily open cabinet, The appearance for leading to problems such as interior of equipment cabinet equipment be damaged or steal.
Summary of the invention
The purpose of the present invention is provide a kind of intelligence based on NB-IoT to solve above-mentioned the deficiencies in the prior art place Remote control cabinet.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of intelligence based on NB-IoT is provided Energy remote control cabinet, comprising: cabinet box, cabinet box inside setting control circuit board, battery, 220VAC-DC circuit and electricity Magnetic padlock, cabinet box outside setting RFID antenna and NB-IoT antenna；
Wherein, battery connection 220VAC-DC circuit charges, while connecting control circuit board and electromagnetic lock is supplied Electricity；
Microcontroller circuit, CAN interface circuit, toggle switch circuit, DC-DC power source electricity are integrated in the control circuit board Road, RS232 interface circuit, electromagnetic lock driving circuit, switching value input circuit, sensor circuit, NB-IoT circuit and RF control Circuit；
The microcontroller circuit connects CAN interface circuit, to set up wired local area network with other cabinets or host computer；
The microcontroller circuit connects toggle switch circuit, by controlling the switch state of toggle switch, with the work to cabinet Operation mode is selected；Wherein, the operating mode of the cabinet includes holotype and slave pattern；
DC-DC power source circuit connection battery and 220VAC-DC circuit turn the voltage of battery or 220VAC-DC circuit It is changed to DC voltage, to be powered to control circuit board；
The microcontroller circuit connects RS232 interface circuit, and the RS232 interface circuit is also connected with a LCD intelligent display screen With an intelligent video camera head, to be monitored to cabinet, and monitoring image is shown；
It will be set to the door status switch connection switch amount input circuit of cabinet cabinet door, cabinet door open and-shut mode is converted into switching value The level change of form, is sent to microcontroller, so that microcontroller circuit, which obtains, works as front cabinet door open and-shut mode；
Microcontroller circuit connects electromagnetic lock driving circuit, and electromagnetic lock driving circuit connects the electromagnetic lock in cabinet door, by micro-control Device circuit processed issues opening signal, and signal is acted by electromagnetic lock driving circuit driving electromagnetic lock, and cabinet door automatically opens；
Sensor sensor circuit connection microcontroller circuit and be set on the outside of cabinet, the environment number that sensor is acquired According to being sent to microcontroller circuit；
NB-IoT circuit connection microcontroller circuit and NB-IoT antenna, to realize between microcontroller circuit and long-range host computer Two-way communication link；
RF control circuit connects microcontroller circuit and RFID antenna, for the non-contact credit card information of read operation personnel, And information feeding microcontroller circuit is authenticated.
Wherein, when changing cabinet operating mode by toggle switch circuit, control is restarted after changing operating mode every time Circuit board.
Wherein, intelligent video camera head is mounted on interior of equipment cabinet, face cabinet cabinet door position；When cabinet cabinet door is opened, intelligence The automatic capture pictures of camera, photo is stored in microcontroller circuit, and is sent to remote computer by NB-IoT.
Wherein, interconnection is realized by the local area network that CAN circuit is set up between multiple cabinets.
Wherein, in multiple cabinets of interconnection, the operating mode of one of them is holotype, remaining operating mode is from mould Formula.
It further include data radio station, the data radio station connects microcontroller circuit, while data radio station being arranged on cabinet Antenna, data radio station connects the antenna of data radio station, to set up Wireless LAN with other cabinets or host computer.
It being different from the prior art, the intelligent remote remote control cabinet of the invention based on NB-IoT uses NB-IoT technology, The wide covering that has, magnanimity node, low-power consumption, low cost feature, be highly suitable as unattended cabinet and apply wide In the scenes such as region and a large amount of installations；With mechanism such as perfect sleep-awake, low-power consumption, it is suitble to unattended cabinet isometric Phase relies on the occasion of battery-operated；Cabinet of the invention not only may be implemented remotely to control, remotely manage, but also intelligence may be implemented Control, compare conventional cabinet, management, in terms of can largely save human cost；It can be gone out simultaneously with rapid build suitable Wireless sensor network for various occasions.
Detailed description of the invention
Fig. 1 is outer after a kind of intelligent remote remote control cabinet based on NB-IoT provided by the invention and multiple cabinet networkings See structural schematic diagram.
Fig. 2 is that a kind of structure of the control circuit board of intelligent remote remote control cabinet based on NB-IoT provided by the invention is shown It is intended to.
Fig. 3 is a kind of control of the microcontroller circuit of intelligent remote remote control cabinet based on NB-IoT provided by the invention Circuit diagram.
Fig. 4 is a kind of control of the CAN interface circuit of intelligent remote remote control cabinet based on NB-IoT provided by the invention Circuit diagram.
Fig. 5 is a kind of control of the DC-DC power source circuit of intelligent remote remote control cabinet based on NB-IoT provided by the invention Circuit diagram processed.
Fig. 6 is a kind of control of the RS232 interface module of intelligent remote remote control cabinet based on NB-IoT provided by the invention Circuit diagram processed.
Fig. 7 is a kind of toggle switch control circuit of intelligent remote remote control cabinet based on NB-IoT provided by the invention Control circuit schematic diagram.
Fig. 8 is a kind of control of the electromagnetic lock driving circuit of intelligent remote remote control cabinet based on NB-IoT provided by the invention Circuit diagram processed.
Fig. 9 is a kind of control of the switching value input circuit of intelligent remote remote control cabinet based on NB-IoT provided by the invention Circuit diagram processed.
Figure 10 is a kind of circuit of the sensor circuit of intelligent remote remote control cabinet based on NB-IoT provided by the invention Structural schematic diagram.
Figure 11 is a kind of control of the RF control circuit of intelligent remote remote control cabinet based on NB-IoT provided by the invention Circuit diagram.
Figure 12 is a kind of control of the NB-IoT circuit of intelligent remote remote control cabinet based on NB-IoT provided by the invention Circuit diagram.
Specific embodiment
Further more detailed description is made to technical solution of the present invention With reference to embodiment.Obviously, it is retouched The embodiment stated is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, Those of ordinary skill in the art's every other embodiment obtained without creative labor, all should belong to The scope of protection of the invention.
Refering to fig. 1, Fig. 1 is a kind of intelligent remote remote control cabinet based on NB-IoT provided by the invention and multiple stack of cabinets Surface structure schematic diagram after net.The device includes: cabinet box 1, be arranged inside cabinet box 1 control circuit board 2, battery 3, RFID antenna 6 and NB-IoT antenna 7 are arranged outside cabinet box 1 for 220VAC-DC circuit 4 and electromagnetic lock 5；
Wherein, the battery 3 connects 220VAC-DC circuit 4 and charges, at the same connect control circuit board 2 and electromagnetic lock 5 into Row power supply；
The structure of control circuit board 2 is as shown in Figure 2.Microcontroller circuit 21, CAN interface circuit are integrated in control circuit board 2 22, toggle switch circuit 23, DC-DC power source circuit 24, RS232 interface circuit 25, electromagnetic lock driving circuit 26, On-off signal Circuit 27, sensor circuit 28, NB-IoT circuit 29 and RF control circuit 210；
Microcontroller circuit 21 connects CAN interface circuit 22, to set up wired local area network with other cabinets or host computer；
Microcontroller circuit 22 connects toggle switch circuit 23, by the switch for controlling the toggle switch being set in cabinet box 1 State is selected with the operating mode to cabinet；Wherein, the operating mode of cabinet includes holotype and slave pattern；
DC-DC power source circuit 24 connects battery 3 and 220VAC-DC circuit 4, by battery 3 or 220VAC-DC circuit 4 Voltage is converted to DC voltage, to be powered to control circuit board 2；
Microcontroller circuit 21 connects RS232 interface circuit 25, and RS232 interface circuit 25 is also connected with a LCD intelligent display screen 251 With an intelligent video camera head 252, to be monitored to cabinet, and monitoring image is shown；
21 connection switch amount input circuit 27 of microcontroller circuit, the door sensor that switching value input circuit 27 connects in cabinet door are opened It closes, cabinet door open and-shut mode is converted to the level change of switching value form, is sent to microcontroller circuit 21, so that microcontroller Circuit 21 gets the open and-shut mode of cabinet door；Microcontroller circuit 21 connects electromagnetic lock driving circuit 26, electromagnetic lock driving circuit Electromagnetic lock 5 in 26 connection cabinet doors issues opening signal by microcontroller circuit 21, and signal controls electromagnetic lock driving circuit 26 Electromagnetic lock 5 is driven to act, cabinet door automatically opens.
The sensor that sensor circuit 28 connects microcontroller circuit 21 and is set on the outside of cabinet, sensor is acquired Environmental data be sent to microcontroller circuit 21；Sensor includes at least Temperature Humidity Sensor and vibrating sensor.
NB-IoT circuit 29 connects microcontroller circuit 21 and NB-IoT antenna 7, to realize microcontroller circuit 21 and remote Two-way communication link between journey host computer；
RF control circuit 210 connects microcontroller circuit 21 and RFID antenna 6, the non-contact ID card for read operation personnel Information, and information feeding microcontroller circuit 21 is authenticated.
Data radio station 211 uses the common 433MHz communications band of industrial circle, 100mW transmission power.Data radio station connects Microcontroller circuit 21 is connect, to set up Wireless LAN with other cabinets or host computer；
Further, when changing cabinet operating mode by toggle switch circuit 23, control is restarted after changing operating mode every time Circuit board 2 processed.
Further, intelligent video camera head 252 is mounted on inside cabinet box 1, the cabinet door position of face cabinet box 1；Work as cabinet When cabinet door is opened, the automatic capture pictures of intelligent video camera head 251, photo is stored in the storage equipment in microcontroller circuit 21, And remote computer is sent to by NB-IoT mode.
Intelligent display screen 251 realizes that operator carries out operations, setting to cabinet at the scene and obtains cabinet work State.Such as: date-time setting, local area network (local IP setting, nets interior cabinet connection state at host ip setting), inquiry thing Part list, NB-IoT communications status (signal strength, operator's informaiton, remote computer connection status etc.), Current Temperatures/wet (it is wet that RFID logins log, vibration event log, telecommunication log, local area network communication log, historical temperature for degree, log query Spend chart) etc..
Further, interconnection is realized by the local area network that CAN circuit is set up between multiple cabinets.
Further, in multiple cabinets of interconnection, the operating mode of one of them is holotype, remaining operating mode be from Mode.
Cabinet identifies the non-contact ID card of site operation personnel by RFID wireless identification function, in verifying ID card For it is legal effectively after, automatically open cabinet door, facilitate operator to carry out maintenance work to interior of equipment cabinet, while avoiding irrelevant personnel Open cabinet.
With the narrowband NB-IoT(Internet of Things) communication function, remote computer is connected to by telecom operators.Operator Member can obtain all cabinet states having connected and remotely be managed on the remote computer.
It can be by wire communication CAN network or 433MHz wireless digital transmission communication network, automatically between the cabinet of interconnection Form a local area network.The network is the Star Network of one master and multiple slaves, the master/slave mode of corresponding cabinet.Cabinet can exist automatically It is automatically selected between wired network and wireless network.When wired network and wireless network are all in available mode, for will be excellent from cabinet First automatically select wired Network Communication；When wired network disconnects, wireless Network Communication is automatically selected from cabinet.Mainframe then supports wired network It is run simultaneously with wireless network.The local area network will net in the connection of all cabinets, by the NB-IoT communication function of mainframe and remote Journey computer realizes bidirectional data communication.Local area network communication can be used for the occasion that a large amount of cabinets are intensively arranged, in a local area network Only a host enables NB-IoT function, communicates caused by base station it is possible to prevente effectively from NB-IoT communication node density is excessive Pressure, while cost can also be reduced.
The circuit structure of microcontroller circuit 21 is as shown in Figure 3: microcontroller is U2 STM32F072C8T6 in Fig. 3.It is micro- Controller U2 is connected to 12MHz without source crystal oscillator X1 as master oscillator, and ceramic condenser C7, C8 are connected to crystal oscillator IN, OUT foot, makees For crystal oscillator load capacitance.Ceramic condenser C2, C3, C4, C5 are connected to microcontroller U2, as+3.3V the electricity that shunt capacitance is U2 Source provides filtering.Use P2 as emulation/download interface.44 feet and GND of R1 connection U2 are realized to U2 starting guidance mode Selection.The pin 10,11 of U2 is NB-IoT data transmit-receive port, and pin 12,13 is intelligently to shield data transmit-receive port, pin 32, 33 be CAN protocol data transmit-receive port, and pin 30,31 is intelligent video camera head data transmit-receive port, and the reset that pin 7 is U2 is enabled Foot, pin 3,4 connect real-time crystal oscillator Y1, and C1, C2 are the crystal oscillator load capacitance of Y1.Pin 25 is connected to R2, the R2 other end and D3 Connection constitutes working station indicator circuit.
The circuit structure of CAN interface circuit 22 is as shown in Figure 4.U5 TJA1040T is CAN bus transceiver, realizes that CAN is total The PHY layer function of line converts CAN signal between Transistor-Transistor Logic level (pin 1,4) and differential signal (pin 6,7).C13 be+ The filter capacitor of 5V power supply.5 foot common mode stable state output ends of R11 and R12 connection differential bus and U5 are CAN bus balance electricity Resistance, C14 provide bypass filtering for common mode stable state output end.U4 is two-way TVS pipe, provides protection for U5, prevents surge, electrostatic etc. Damage U5.
The circuit structure of DC-DC power source circuit 24 is as shown in Figure 5.P1 socket is connected with+12V DC power supply.External power supply POWER meets filter circuit CP3 and L2 and provides power input filtering through F1 self-recovery fuse and anti-reverse diode D4.D5 For TVS pipe, power input overvoltage protection is provided.U3 and accessory circuit constitute BUCK switch buck circuit, and R3, R4 constitute resistance Bleeder circuit generates U3 and enables level, is connected to 2 feet of U3.D2, L1, C9, C10 constitute BUCK reduction voltage circuit topology.C12,R9 For RC low-pass filter circuit, filtering is provided for the input of U3 internal comparator.7 feet of U3 are 12V power input, and C11 is+12V Power input provides bypass filtering.R6 is connected to 6 foot of U3, for U3 internal switching frequency to be arranged.The signal ground of R7 realization U3 PGND is connect with the earth GND single-point.U1 LT1117-3.3V is linear regulator chip, input+5V, output+3.3V, CP1, CP2 For input/output terminal filter capacitor.D1 is back-pressure discharge tube, avoids backward voltage occur between U1 input terminal and output end.LED D6 and current-limiting resistance R10 constitutes power supply indicator.
The circuit structure of RS232 interface circuit 25 is as shown in Figure 6.U6 MAX3232 and accessory circuit realize microcontroller U2 UART signal converted in Transistor-Transistor Logic level between RS232 level, realize microcontroller U2 and external equipment (intelligent display screen 251 and intelligent video camera head 252) communication function.Ceramic condenser C16, C19 are charge pump capacitor.Ceramic condenser C15, C17, C18 Bypass filtering is provided for+3.3V and U6 internal circuit.P4 connection intelligent video camera head, P5 connection intelligent display screen.
Sa1 in Fig. 7 is toggle switch, and 1 foot of Sa1 is connected to 43 feet of microcontroller U2.2 feet connect GND.For mentioning For the master/slave model selection of cabinet.
The circuit structure of electromagnetic lock driving circuit 26 is as shown in figure 8, microcontroller U2 output signal GPIO_Output1 is arrived ULN2003AI, ULN2003AI are Darlington transistor chip, provide output driving function, 2 tunnels and to connect fan-out capability be 12V/1A, 1 Road is 12V/0.5A.For GPIO_Output1, LED the and R14 current-limiting resistance of D8 constitutes indicator light circuit, indicates GPIO_ The output state of Output1.R13 is pull-up resistor, and output level is pulled upward to POWER_BAT and generates electromagnetic lock driving Output1.Output1 is connected to electromagnetic lock 5 by P8 junction block, and electromagnetic lock 5 is pushed to act.
The circuit structure of switching value input circuit 27 is as shown in figure 9, U9 is TLP281-4 photoelectrical coupler, to being input to control All kinds of 0V ~ 12V signals of circuit board 2 processed realize electrical isolation.Input1, Input2 are 2 way switch amount input signals, pass through P8 Junction block Input1 is connected to door status switch, and Input2 is connected to vibrating sensor.R17, R18 are U9 output end pull-up resistor. C24, C25 are the bypass filter capacitor of U9 output end.
Figure 10 show the circuit structure of sensor circuit 28, and P7 socket connects temperature sensor DHT11, R16 DHT11 Data line provide pull-up.
Figure 11 is the electrical block diagram of RF control circuit 210.P6 is RFID module MFRC522 in figure.The 1/2/ of P6 3/4 foot is SPI communication bus, is connected to U2.7 feet of P6 are resetting pin, and level, which drags down, can allow module to enter reset state, 7 feet It is connected to U2.8 feet, 6 feet are respectively P6 power positive cathode.C23 provides bypass filtering for the power supply of P6.
Figure 12 is the electrical block diagram of NB-IoT circuit 29.U8 is NB-IOT module WH-NB75.16,11, the 12 of U8 Foot is respectively modular power source positive and negative anodes.R15 and D7 collectively form work light, are connected to 9 feet of U8.19 feet of U8 are to reset Foot, level, which drags down, can allow module to enter reset state, and 19 feet are connected to U2.UART communication port 6,7 feet are connected to U2.C20, C21, C22 are U8 electrical power by-pass filter capacitor.
It being different from the prior art, the intelligent remote remote control cabinet of the invention based on NB-IoT uses NB-IoT technology, The wide covering that has, magnanimity node, low-power consumption, low cost feature, be highly suitable as unattended cabinet and apply wide In the scenes such as region and a large amount of installations；With mechanism such as perfect sleep-awake, low-power consumption, it is suitble to unattended cabinet isometric Phase relies on the occasion of battery-operated；Cabinet of the invention not only may be implemented remotely to control, remotely manage, but also intelligence may be implemented Control, compare conventional cabinet, management, in terms of can largely save human cost；It can be gone out simultaneously with rapid build suitable Wireless sensor network for various occasions.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other Technical field is included within the scope of the present invention.

Claims (6)

1.一种基于NB-IoT的智能远程遥控机柜，其特征在于，包括：1. a kind of intelligent remote control cabinet based on NB-IoT, is characterized in that, comprises: 机柜箱，机柜箱内部设置控制电路板、蓄电池、220VAC-DC电路及电磁锁，机柜箱外部设置RFID天线和NB-IoT天线；Cabinet box, control circuit board, battery, 220VAC-DC circuit and electromagnetic lock are set inside the cabinet box, RFID antenna and NB-IoT antenna are set outside the cabinet box; 其中，所述蓄电池连接220VAC-DC电路进行充电，同时连接控制电路板和电磁锁进行供电；Wherein, the battery is connected to a 220VAC-DC circuit for charging, and is connected to a control circuit board and an electromagnetic lock for power supply; 所述控制电路板上集成了微控制器电路、CAN接口电路、拨码开关电路、DC-DC电源电路、RS232接口电路、电磁锁驱动电路、开关量输入电路、传感器电路、NB-IoT电路及RF控制电路；The control circuit board integrates a microcontroller circuit, a CAN interface circuit, a DIP switch circuit, a DC-DC power supply circuit, an RS232 interface circuit, an electromagnetic lock drive circuit, a digital input circuit, a sensor circuit, an NB-IoT circuit and RF control circuit; 所述微控制器电路连接CAN接口电路，以与其他机柜或上位机组建有线局域网络；The microcontroller circuit is connected to the CAN interface circuit to form a wired local area network with other cabinets or the upper computer; 所述微控制器电路连接拨码开关电路，通过控制拨码开关的开关状态，以对机柜的工作模式进行选择；其中，所述机柜的工作模式包括主模式和从模式；The microcontroller circuit is connected to the DIP switch circuit, and the switch state of the DIP switch is controlled to select the working mode of the cabinet; wherein, the working mode of the cabinet includes a master mode and a slave mode; DC-DC电源电路连接蓄电池及220VAC-DC电路，以将蓄电池或220VAC-DC电路的电压转换为直流电压，以对控制电路板进行供电；The DC-DC power circuit is connected to the battery and the 220VAC-DC circuit to convert the voltage of the battery or the 220VAC-DC circuit into a DC voltage to supply power to the control circuit board; 所述微控制器电路连接RS232接口电路，所述RS232接口电路还连接一LCD智能显示屏和一智能摄像头，以对机柜进行监控，并显示监控图像；The microcontroller circuit is connected to the RS232 interface circuit, and the RS232 interface circuit is also connected to an LCD smart display screen and a smart camera to monitor the cabinet and display the monitoring image; 将设置于机柜箱柜门的门磁开关连接开关量输入电路，将柜门开闭状态转换为开关量形式的电平变化，发送到微控制器，以使微控制器电路获得当前柜门开闭状态；Connect the door magnetic switch set on the cabinet door of the cabinet to the digital input circuit, convert the open and closed state of the cabinet door into the level change in the form of digital value, and send it to the microcontroller, so that the microcontroller circuit can obtain the current cabinet door open closed state; 微控制器电路连接电磁锁驱动电路，电磁锁驱动电路连接机柜门上的电磁锁，由微控制器电路发出开门信号，信号由电磁锁驱动电路驱动电磁锁动作，柜门自动打开；The microcontroller circuit is connected to the electromagnetic lock drive circuit, the electromagnetic lock drive circuit is connected to the electromagnetic lock on the cabinet door, the microcontroller circuit sends out the door opening signal, the signal is driven by the electromagnetic lock drive circuit to drive the electromagnetic lock action, and the cabinet door opens automatically; 传感器电路连接微控制器电路及设置于机柜外侧的传感器，以将传感器采集的环境数据发送到微控制器电路；The sensor circuit is connected to the microcontroller circuit and the sensor arranged outside the cabinet, so as to send the environmental data collected by the sensor to the microcontroller circuit; NB-IoT电路连接微控制器电路和NB-IoT天线，以实现微控制器电路和远程上位机之间的双向通信连接；The NB-IoT circuit connects the microcontroller circuit and the NB-IoT antenna to realize a two-way communication connection between the microcontroller circuit and the remote host computer; RF控制电路连接微控制器电路及RFID天线，用于读取操作人员的非接触身份卡信息，并将信息送入微控制器电路进行鉴权。The RF control circuit is connected to the microcontroller circuit and the RFID antenna, and is used to read the operator's non-contact identity card information, and send the information to the microcontroller circuit for authentication. 2.根据权利要求1所述的基于NB-IoT的智能远程遥控机柜，其特征在于，在通过拨码开关电路变更机柜工作模式时，每次变更工作模式后重启控制电路板。2 . The NB-IoT-based intelligent remote control cabinet according to claim 1 , wherein when changing the working mode of the cabinet through the DIP switch circuit, the control circuit board is restarted after each change of the working mode. 3 . 3.根据权利要求1所述的基于NB-IoT的智能远程遥控机柜，其特征在于，智能摄像头安装在机柜内部，正对机柜柜门位置；当机柜柜门打开时，智能摄像头自动抓拍照片，照片保存于微控制器电路，并通过NB-IoT发送给远程计算机。3. The intelligent remote control cabinet based on NB-IoT according to claim 1, is characterized in that, the intelligent camera is installed inside the cabinet, facing the cabinet door position of the cabinet; when the cabinet door is opened, the intelligent camera automatically captures a photo, Photos are saved in the microcontroller circuit and sent to a remote computer via NB-IoT. 4.根据权利要求1所述的基于NB-IoT的智能远程遥控机柜，其特征在于，多个所述机柜之间通过CAN电路组建的局域网络实现互联。4. The NB-IoT-based intelligent remote control cabinet according to claim 1, wherein a plurality of the cabinets are interconnected through a local area network formed by a CAN circuit. 5.根据权利要求4所述的基于NB-IoT的智能远程遥控机柜，其特征在于，互联的多个机柜中，其中一者的工作模式为主模式，其余工作模式为从模式。5 . The NB-IoT-based intelligent remote control cabinet according to claim 4 , wherein among the multiple interconnected cabinets, one of the working modes is the master mode, and the other working modes are slave modes. 6 . 6.根据权利要求1所述的基于NB-IoT的智能远程遥控机柜，其特征在于，还包括数传电台，所述数传电台连接微控制器电路，同时在机柜上设置数传电台的天线，数传电台连接数传电台的天线，以与其他机柜或上位机组建无线局域网络。6. The intelligent remote control cabinet based on NB-IoT according to claim 1, further comprising a digital radio station, the digital radio station is connected to a microcontroller circuit, and an antenna of the digital radio station is set on the cabinet simultaneously , The digital radio is connected to the antenna of the digital radio to form a wireless local area network with other cabinets or the upper computer.
CN201811495590.4A 2018-12-07 2018-12-07 A kind of intelligent remote remote control cabinet based on NB-IoT Pending CN109386182A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110443997A (en) * 2019-08-23 2019-11-12 南京深科博业电气股份有限公司 Static reactive generator based on NB-IOT technology
CN110847718A (en) * 2019-09-12 2020-02-28 长园共创电力安全技术股份有限公司 Cabinet primary lock device, cabinet secondary lock device and cabinet primary and secondary lock system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110443997A (en) * 2019-08-23 2019-11-12 南京深科博业电气股份有限公司 Static reactive generator based on NB-IOT technology
CN110847718A (en) * 2019-09-12 2020-02-28 长园共创电力安全技术股份有限公司 Cabinet primary lock device, cabinet secondary lock device and cabinet primary and secondary lock system

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Application publication date: 20190226