CN109347912A - A kind of enabling detection system based on LoRa - Google Patents

A kind of enabling detection system based on LoRa Download PDF

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Publication number
CN109347912A
CN109347912A CN201811057299.9A CN201811057299A CN109347912A CN 109347912 A CN109347912 A CN 109347912A CN 201811057299 A CN201811057299 A CN 201811057299A CN 109347912 A CN109347912 A CN 109347912A
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China
Prior art keywords
lora
enabling
module
person identifier
detector
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Granted
Application number
CN201811057299.9A
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Chinese (zh)
Other versions
CN109347912B (en
Inventor
于宽义
钟景维
张治宇
石庆
刘立明
俞浩
孙玉林
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Shenzhen Yizhao Internet Technology Co Ltd
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Shenzhen Yizhao Internet Technology Co Ltd
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Priority to CN201811057299.9A priority Critical patent/CN109347912B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/20Individual registration on entry or exit involving the use of a pass
    • G07C9/27Individual registration on entry or exit involving the use of a pass with central registration
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0618Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0631Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)

Abstract

The enabling detection system based on LoRa that the present invention provides a kind of, it includes server, gateway, enabling detector, LoRa person identifier card and user terminal, after the acceleration detecting unit of enabling detector senses that door is opened, detect in present scope whether have the LoRa person identifier card that can be matched with it by LoRa module, if enabling detector detects paired person identifier card and measures the distance of both sides less than apart from setting value, the enabling detector sends enabling information by LoRa module, by gateway forwards to server, and user terminal is sent to through server.It using technical solution of the present invention, that is, can guarantee safety, and can effectively detect whether door is the opening under my permission, improve discrimination and increase convenience.Due to LoRa have the characteristics that it is low in energy consumption, apart from remote, at low cost, can in the case where guaranteeing telecommunication quality reduced cost significantly.

Description

A kind of enabling detection system based on LoRa
Technical field
The invention belongs to internet of things field more particularly to a kind of enabling detection systems based on LoRa.
Background technique
Currently, having many technologies can be carried out enabling detection with the development of technology of Internet of things.But existing enabling inspection Although survey is able to detect that door is opened, need to assist the technologies such as recognition of face, camera just to see whether I beats It opens, higher cost, to easily lead to report by mistake.
Although the prior art also has long-range monitoring function, it often relies on WIFI, Ethernet in family and carries out in data Report, once being powered down in family, router or gateway are powered down in family, then cannot accomplish effectively to report, cause security risk.
Summary of the invention
Against the above technical problems, the enabling detection system based on LoRa that the invention discloses a kind of, structures and methods letter It is single, it is at low cost and highly-safe.
In this regard, the technical solution adopted by the present invention are as follows:
A kind of enabling detection system based on LoRa comprising server, gateway, enabling detector, LoRa person identifier card and User terminal, the gateway include central processing unit, LoRa communication module, power supply module, wired or wireless network module;
The enabling detector includes power module, MCU, LoRa module, acceleration detecting unit, memory module, alarm module; LoRa module, acceleration detecting unit, memory module, alarm module are connect with MCU respectively;The enabling detector includes ranging Algorithm routine;
The LoRa person identifier card includes the LoRa terminal node and battery with unique identity;
The user terminal is for remotely receiving the enabling situation of currently monitored door and for enabling detector institute energy to be arranged The ID of the LoRa person identifier card of pairing;
After the acceleration detecting unit of enabling detector senses that door is opened, by LoRa module detect present scope in whether There is the LoRa person identifier card that can be matched with it, if enabling detector detects paired person identifier card and measures When the distance of both sides is less than apart from setting value, the enabling detector sends enabling information by LoRa module, by gateway forwards To server, and user terminal is sent to through server.
It adopts this technical solution, detects whether using acceleration transducer, LoRa person identifier card and in conjunction with ranging as this People opens the door, and this mode can both save great amount of cost compared to detection modes such as recognitions of face, can also be improved discrimination increasing Add convenience.And LoRa it is low in energy consumption, apart from feature remote, at low cost, can be big in the case where guaranteeing telecommunication quality Big reduced cost.
Further, for gateway, the wired or wireless network module is ethernet module, GSM/GPRS module, 3G/ 4G/5G module or WIFI module.
Further, the gateway includes peripheral device interface.Peripheral device interface can be ISP, SPI, UART, I2C, GPIO, USB, HDMI, VGA, Type C interface etc..
Further, central processing unit can use the single, more of 8,16,32 MCU, DSP, FPGA or ARM frameworks Core processor.
Further, power supply module can be alternating current-direct current conversion circuit and be also possible to by all kinds of lithium batteries, battery and tie Close step-up/step-down circuit composition.
For enabling detector, power module can be all kinds of batteries or ac-dc converter circuit;MCU can be 8, 16,32 single-chip microcontrollers;Acceleration detecting unit can be used gyroscope, also be the sensor that other can detecte acceleration; Memory module can be the storage equipment such as EEPROM, FLASH flash memory;Alarm module can be loudspeaker, buzzer or other can With the equipment made a sound.
Further, LoRa person identifier card both can be card-like, also can be made the other shapes such as bracelet.
Further, the ID of the LoRa person identifier card includes the DEVEUI(Device of LoRa person identifier card Extended Unique Identifier, device extension unique identification) information and code key.
Further, the management program of user terminal, that is, user APP mainly has two big functions, first is that working as remotely receiving The enabling situation of preceding monitored door then can propose alarm to house-owner in a manner of shaking, make a sound etc. if there is abnormal;Two It is the ID for the LoRa person identifier card that enabling detector can match to be arranged, an enabling detector can bind multiple People's tag card, the person identifier card only in list could be recognized by enabling detector.
Wherein, DEVEUI the and AES code key of its actually LoRa node of the ID of LoRa person identifier card, different nodes DEVEUI and AES code key is different when leaving the factory.
As a further improvement of the present invention, if enabling detector does not detect paired person identifier card, Although when detecting person identifier card but measuring both sides' distance farther out, then judging this and opening the door not is house-owner institute For;Enabling detector is alarmed by alarm module, and exception information is sent to LoRa gateway by LoRa module, and by Warning information is finally sent to the user terminal by server by gateway forwards again to server.
As a further improvement of the present invention, after user terminal receives information, user chooses whether to operate in person, if it is I operates, and user terminal sends information to server, and server passes through photos and sending messages under gateway again and gives enabling detector, stops report It is alert;If not I operate, until user processing after reselection whether stop alarm.
This technical solution uses the pairing message transmission mode of two layers of AES encryption, substantially increases safety.
As a further improvement of the present invention, LoRa person identifier card and enabling detector pairing the following steps are included:
After step S101, LoRa person identifier card is encrypted the DEVEUI information of oneself by the code key of oneself, pass through LoRa terminal node issues;
Step S102 after enabling detector receives information, is decrypted using the code key for being stored in memory module;Disappearing after decryption If ceasing, successful matching corresponding with the DEVEUI information of memory module is stored in, otherwise pairing failure.
As a further improvement of the present invention, encryption is encrypted using AES enciphering and deciphering algorithm.
As a further improvement of the present invention, before carrying out enabling detection, LoRa person identifier card is first added to enabling In detector recognized list comprising following steps:
Step S201, adds the code key of enabling detector in the user supervisor of user terminal, and adds LoRa people's mark Know the code key and ID of card;
The code key of LoRa person identifier card and DEVEUI information are passed through the secret of enabling detector by step S202, user supervisor Key is encrypted, and server is then forwarded to, and the encryption information is sent gateway by server;
The encryption information is sent to enabling detector by LoRa communication module by step S203, gateway;
Step S204, enabling detector solve the code key and DEVEUI information of LoRa person identifier card using the code key of oneself, and Storage is in a storage module.
As a further improvement of the present invention, the location algorithm program is RSSI location algorithm program.RSSI ranging is calculated Method is a kind of algorithm that distance is calculated according to wireless signal strength.
Compared with prior art, the invention has the benefit that
First, technical solution of the present invention can guarantee safety, and can have using the pairing message transmission mode of encryption Effect detects whether door is the opening under my permission.For the group to rent a house, landlord and administrative staff also have Key or access card, this system, which is added, can detecte whether landlord or administrative staff enter room in oneself unwitting situation Between.
Second, it sends and opens the door using the distinctive DEVEUI and AES code key using LoRa node and by LoRa module Detector matches the checking method of message, and acceleration transducer, LoRa person identifier card are utilized after door opening and is combined RSSI location algorithm detect whether the mode opened the door for me can both save compared to detection modes such as recognitions of face largely at This, can also be improved discrimination and increase convenience.
Third, due to LoRa have the characteristics that it is low in energy consumption, apart from remote, at low cost, can be in the feelings for guaranteeing telecommunication quality Reduced cost significantly under condition.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the enabling detection system based on LoRa of the present invention.
Fig. 2 is a kind of structural block diagram of the enabling detector of the enabling detection system based on LoRa of the present invention.
Fig. 3 is a kind of structural block diagram of the LoRa person identifier card of the enabling detection system based on LoRa of the present invention.
Fig. 4 is a kind of working-flow figure of the enabling detection system based on LoRa of the present invention.
Fig. 5 is that LoRa person identifier card is added to enabling detector by a kind of enabling detection system based on LoRa of the present invention The flow chart of recognized list.
Fig. 6 is that the message during a kind of enabling detection system addition LoRa person identifier card based on LoRa of the present invention passes Defeated schematic diagram.
Fig. 7 is a kind of enabling detector of enabling detection system based on LoRa of the invention and matching for LoRa person identifier card To flow chart.
Specific embodiment
Preferably embodiment of the invention is described in further detail below.
As shown in Fig. 1 ~ Fig. 3, a kind of enabling detection system based on LoRa comprising server, gateway, detection of opening the door Device, LoRa person identifier card and user terminal, the gateway includes central processing unit, LoRa communication module, power supply module, wired Or wireless network module and peripheral device interface, the wired or wireless network module are ethernet module or GSM/GPRS module Or 3G/4G/5G module or WIFI module.Central processing unit can use 8,16,32 MCU, DSP, FPGA or ARM frameworks List, multi-core processor, power supply module can be alternating current-direct current conversion circuit and is also possible to by all kinds of lithium batteries, battery and combines Step-up/step-down circuit composition.Peripheral device interface can be ISP, SPI, UART, I2C, GPIO, USB, HDMI, VGA, Type C and connect Mouthful etc..
The enabling detector includes power module, MCU, LoRa module, acceleration detecting unit, memory module, alarm Module;LoRa module, acceleration detecting unit, memory module, alarm module are connect with MCU respectively;The enabling detector packet Include location algorithm program.Power module can be all kinds of batteries or ac-dc converter circuit, and MCU can be 8,16,32 Position single-chip microcontroller, acceleration detecting unit can be used gyroscope, be also the sensor that other can detecte acceleration, memory module Can be EEPROM, FLASH flash memory etc. storage equipment, alarm module can be loudspeaker, buzzer or other can issue sound The equipment of sound.
The LoRa person identifier card includes the LoRa terminal node and battery with unique identity;Wherein battery is Mini lithium battery, this tag card both can be made card-like or can be made the other shapes such as bracelet.
User terminal can use user mobile phone.The management program that user terminal includes i.e. user APP mainly has two big function Energy, first is that the enabling situation for remotely receiving currently monitored door, it then can be to shake, make a sound if there is exception Mode proposes alarm to house-owner;Second is that the ID for the LoRa person identifier card that enabling detector can match to be arranged, one is opened Door detector can bind multiple person identifier cards, and the person identifier card only in list could be identified by enabling detector It arrives.DEVEUI the and AES code key of its actually LoRa node of the ID of LoRa person identifier card, the DEVEUI and AES of different nodes Code key is different when leaving the factory.
As shown in figure 4, the course of work of the enabling detection system based on LoRa is as follows:
After the acceleration detecting unit of enabling detector senses that door is opened, by LoRa module detect present scope in whether There is the LoRa person identifier card that can be matched with it, if enabling detector detects paired person identifier card and measures When the distance of both sides is less than apart from setting value, the enabling detector sends enabling information by LoRa module, by gateway forwards It to server, and is sent on the APP of user terminal through server, cell phone application shows normal door information.
If enabling detector does not detect paired person identifier card, although detecting person identifier When blocking but measuring both sides' distance farther out, then judging this and opening the door not is carried out by house-owner;Enabling detector passes through alarm module It alarms, and warning message is sent to LoRa gateway by LoRa module, and by gateway forwards to server, finally lead to again It crosses on the APP that warning information is sent to the user terminal by server.
After user terminal receives information, user chooses whether to operate in person, operates if it is me, user terminal A PP hair Send halt instruction to server, server, which passes through gateway again and issues halt instruction, gives enabling detector, and enabling detector stops report It is alert.
It is operated if not me, user is not handled, then continues alarm until user is handled, if user selects to stop report Alert, user terminal A PP sends halt instruction to server, and server, which passes through gateway again and issues halt instruction, gives enabling detector, Enabling detector stop alarm;If stop alarm or user do not operate user's selection, enabling detector continues to alarm.
After user receives warning information on mobile phone, if it is determined that non-then to contact police or peace carried out by me Guarantor person or other administrative staff, which verify and make in time, to be further processed, if it is determined that carried out by me, then can be led to It crosses cell phone application and alarm equipment alarm is turned off manually, this mode has more conveniences.
Ranging therein is carried out using RSSI location algorithm program.
As shown in Figure 5 and Figure 6, before carrying out enabling detection, LoRa person identifier card is first added to enabling detector and is known In other list comprising following steps:
Step S201, adds the code key of enabling detector in user supervisor, that is, user APP of user terminal, and adds The code key and ID of LoRa person identifier card;
The code key of LoRa person identifier card and DEVEUI information are passed through the secret of enabling detector by step S202, user supervisor Key is encrypted, and server is then forwarded to, and the encryption information is sent gateway by server;
The encryption information is sent to enabling detector by LoRa communication module by step S203, gateway;
Step S204, enabling detector solve the code key and DEVEUI information of LoRa person identifier card using the code key of oneself, and Storage is in a storage module.
Wherein encryption is encrypted using AES enciphering and deciphering algorithm.
As shown in fig. 7, the pairing of LoRa person identifier card and enabling detector the following steps are included:
After step S101, LoRa person identifier card is encrypted the DEVEUI information of oneself by the AES code key of oneself, pass through LoRa terminal node issues;
Step S102 after enabling detector receives information, is decrypted using the AES code key for being stored in memory module;After decryption If message it is corresponding with the DEVEUI information of memory module is stored in, successful matching, otherwise pairing failure.
Using the technical solution of the present embodiment, using acceleration transducer, LoRa person identifier card and ranging is combined to detect It whether is to open the door in person, this mode can both save great amount of cost compared to detection modes such as recognitions of face, can also be improved Discrimination increases convenience;And using the pairing message transmission mode of two layers of AES encryption, safety is substantially increased.In addition, LoRa have the characteristics that it is low in energy consumption, apart from remote, at low cost, can in the case where guaranteeing telecommunication quality reduced cost significantly.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention Protection scope.

Claims (7)

1. a kind of enabling detection system based on LoRa, it is characterised in that: it includes server, gateway, enabling detector, LoRa Person identifier card and user terminal, the gateway includes central processing unit, LoRa communication module, power supply module, wired or wireless Network module;
The enabling detector includes power module, MCU, LoRa module, acceleration detecting unit, memory module, alarm module; LoRa module, acceleration detecting unit, memory module, alarm module are connect with MCU respectively;The enabling detector includes ranging Algorithm routine;
The LoRa person identifier card includes the LoRa terminal node and battery with unique identity;
After the acceleration detecting unit of enabling detector senses that door is opened, by LoRa module detect present scope in whether There is the LoRa person identifier card that can be matched with it, if enabling detector detects paired person identifier card and measures When the distance of both sides is less than apart from setting value, the enabling detector sends enabling information by LoRa module, by gateway forwards To server, and user terminal is sent to through server.
2. the enabling detection system according to claim 1 based on LoRa, it is characterised in that: if enabling detector does not have Detect paired LoRa person identifier card, although detect person identifier card measure both sides distance farther out When, then judging this and opening the door not is carried out by house-owner;Enabling detector is alarmed by alarm module, and by exception information It is sent to LoRa gateway by LoRa module, and by gateway forwards to server, is finally again sent out warning information by server It send to user terminal.
3. the enabling detection system according to claim 2 based on LoRa, it is characterised in that: user terminal receives information Afterwards, user chooses whether to operate in person, operates if it is me, and user terminal sends information to server, and server passes through again Photos and sending messages give enabling detector, stop alarm under gateway;It is operated if not me, until whether reselection stops after user's processing Only alarm.
4. the enabling detection system according to claim 2 based on LoRa, it is characterised in that: LoRa person identifier card with The pairing of enabling detector the following steps are included:
After step S101, LoRa person identifier card is encrypted the DEVEUI information of oneself by the code key of oneself, pass through LoRa terminal node issues;
Step S102 after enabling detector receives information, is decrypted using the code key for being stored in memory module;Disappearing after decryption If ceasing, successful matching corresponding with the DEVEUI information of LoRa person identifier card of memory module is stored in, otherwise pairing failure.
5. the enabling detection system according to claim 4 based on LoRa, it is characterised in that: before carrying out enabling detection, First LoRa person identifier card is added in enabling detector recognized list comprising following steps:
Step S201, adds the code key of enabling detector in the user supervisor of user terminal, and adds LoRa people's mark Know the code key and DEVEUI information of card;
The code key of LoRa person identifier card and DEVEUI information are passed through the secret of enabling detector by step S202, user supervisor Key is encrypted, and server is then forwarded to, and the encryption information is sent gateway by server;
The encryption information is sent to enabling detector by LoRa communication module by step S203, gateway;
Step S204, enabling detector solve the code key and DEVEUI information of LoRa person identifier card using the code key of oneself, and Storage is in a storage module.
6. the enabling detection system according to claim 4 based on LoRa, it is characterised in that: the encryption is added using AES Decipherment algorithm is encrypted.
7. the enabling detection system according to claim 1 based on LoRa, it is characterised in that: the location algorithm program is RSSI location algorithm program.
CN201811057299.9A 2018-09-11 2018-09-11 Door opening detection system based on LoRa Active CN109347912B (en)

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CN103475997A (en) * 2013-08-23 2013-12-25 北京创毅讯联科技股份有限公司 Method and device for verifying terminals in LTE (Long Term Evolution) enterprise network
CN104200555A (en) * 2014-09-12 2014-12-10 四川农业大学 Method and device for finger ring gesture door opening
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CN105639816A (en) * 2016-03-21 2016-06-08 中国十七冶集团有限公司 Safety helmet with attendance check and positioning functions
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