CN109639830A - Building temperature and humidity monitoring system based on NB-IoT and the monitoring method using the system - Google Patents
Building temperature and humidity monitoring system based on NB-IoT and the monitoring method using the system Download PDFInfo
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- CN109639830A CN109639830A CN201910043824.XA CN201910043824A CN109639830A CN 109639830 A CN109639830 A CN 109639830A CN 201910043824 A CN201910043824 A CN 201910043824A CN 109639830 A CN109639830 A CN 109639830A
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
Present invention discloses a kind of the building temperature and humidity monitoring system based on NB-IoT and the monitoring method using the system, system mainly includes NB-IoT terminal, information post office and man-machine interactive platform three parts, and the NB-IoT terminal and the man-machine interactive platform are realized by the information post office to be communicated to connect；The information post office includes NB-IoT core network and Internet of Things open platform, the collected data of the Temperature and Humidity module of institute is sent in Internet of Things open platform using communication protocol by the NB-IoT core network by NB-IoT terminal, and the Internet of Things open platform is sent data in man-machine interactive platform again by solution coding.Mode in measurement transmission of the present invention by the way that the integration such as multinomial technology to be applied to building temperature and humidity, the measurement means under intelligent building background are enriched from technological layer, the coverage area that temperature measures in intelligent building is effectively promoted, ensure that the accuracy and real-time of measurement.
Description
Technical field
The present invention relates to a kind of temperature and humidity monitoring systems, in particular to a kind of building temperature and humidity based on NB-IoT
The monitoring method of monitoring system and the application system, belongs to the crossing domain of detection technique and the communication technology.
Background technique
As human society gradually steps into the intelligent, information age, lives as people and activity main place is built
Build object, it is also desirable to adapt to information-based brought variation, under such historical background and current demand, the generation of intelligent building
Also have become inexorable trend with development.The development of the new technologies such as network technology, the communication technology, video technique, so that intelligence
There is variation with rapid changepl. never-ending changes and improvements in building.Currently, intelligent building just develops towards intensive, systematization, standardized direction, answer
Should it is clear that, green, environmental protection, energy conservation be intelligent building develop main flow direction, construct focusing on people intelligentized
Efficient household working environment is the ultimate aim of intelligent building development.
In recent years, the main trend of mobile interchange promotes temperature and humidity monitor equipment to need to have the attribute of mobile communication again,
Temperature and humidity monitoring system is put into application server, and accessing service platform by smart phone can make using no longer by when and where
Limitation.
NB-IoT (Narrow Band Internet of Things, narrowband Internet of Things) is third generation affiliate meter
Draw the Internet of Things communication technology of new generation that (3GPP) completes its core technology standard in June, 2016 and implement.It is implemented in bee
Nest network, the bandwidth of consumption do not exceed 180 kHz, can be deployed directly into GSM network, UMTS network or LTE network
In, and can be realized smooth upgrade.Compared to short-range communication techniques such as 4G network, ZigBee, it is wide that NB-IoT belongs to low-power consumption
Domain net has the characteristics that large capacity, wide covering, deep penetration, low cost, low-power consumption, and since it exempts from the speciality being routed,
Suitable for building environment.In addition, its channel width only accounts for 180kHz, it is small but require to be highly suitable for data of the Temperature and Humidity module equivalent
Real-time demand.In mobile terminal, cell phone application needs to download installation, needs frequency to meet the use demand that user gradually changes
It is numerous to carry out upgrading update, to bring bad experience to user.And if using B/S(Browser/Server) framework,
User terminal need not be downloaded and install additional application, and the operating system of unlimited smart phone, all function upgradings can take
Business device end carries out.User need to only use smart phone to access application server by mobile phone browser and log in management platform, so that it may
Easily to obtain current building temperature and humidity information in real time in the platform page, and smart phone movement can be used in fact in user
When Reverse Turning Control building in temperature.
In conclusion how to propose a kind of temperature and humidity monitoring system and the prison using the system on the basis of existing technology
Prosecutor method, the advantages of making full use of the prior art, overcome its deficiency, to realize effective monitoring to building temperature and humidity, also
Become current researcher's urgent problem to be solved in the industry.
Summary of the invention
In view of the prior art there are drawbacks described above, the building temperature and humidity based on NB-IoT that the purpose of the present invention is to propose to a kind of
Monitoring system, comprising: NB-IoT terminal, information post office and man-machine interactive platform three parts, the NB-IoT terminal with it is described
Man-machine interactive platform is realized by the information post office and is communicated to connect；The information post office includes NB-IoT core network and object
The collected data of the Temperature and Humidity module of institute is passed through the NB-IoT core net using communication protocol by networking open platform, NB-IoT terminal
Network is sent in Internet of Things open platform, and the Internet of Things open platform sends data to human-computer interaction by solution coding again and puts down
In platform.
Preferably, the NB-IoT terminal include the master controller being electrically connected between each other, temperature and humidity sensing module,
NB-IoT communication module and fan, the master controller read temperature and humidity in the temperature and humidity sensing module building collected
Data send data to the Internet of Things open platform by the NB-IoT communication module again after carrying out transcoding to data
In, while receiving the instruction that the networking open platform issues.
Preferably, the master controller is STM32L151C8T6 low-power consumption module, and the temperature and humidity sensing module is
DHT11 module, the NB-IoT communication module are BC95-B5 communication module.
Preferably, the master controller is electrically connected by the acquisition port AD and the temperature and humidity sensing module, the master
Controller by connection serial ports and the NB-IoT communication module be electrically connected, the master controller by the I/O interface with
The fan is electrically connected.
Preferably, the information post office is the message transfer system based on NB-IoT agreement, including NB-IoT core network
And Internet of Things open platform two parts, both the NB-IoT terminal and the man-machine interactive platform are by the information post office
Complete information transmission；It is encoded with encoding and decoding plug-in unit on the Internet of Things open platform, is reported for realizing the NB-IoT terminal
The forwarding of the coding of the decoding of data and the man-machine interactive platform transmitting order to lower levels.
Preferably, the communication protocol is CoAP communication protocol or UDP communication protocol.
Preferably, the man-machine interactive platform is for realizing man-machine information interaction, information processing and information service
Software and hardware system, the man-machine interactive platform include application server and intelligent mobile terminal.
Preferably, the application server is Cloud Server, and the intelligent mobile terminal is smart phone or tablet computer.
Preferably, it realizes and communicates to connect by http protocol between the information post office and the man-machine interactive platform, institute
It states and realizes communication connection by http protocol between application server and the intelligent mobile terminal.
Present invention further teaches a kind of monitoring sides using such as the above-mentioned building temperature and humidity monitoring system based on NB-IoT
Method includes the following steps:
After S1, system electrification, NB-IoT terminal starts to carry out initial work；
After the completion of S2, initialization, temperature and humidity sensing module acquires data of the Temperature and Humidity module and record in building, subsequently completes in data
Report；
After master controller in S3, the NB-IoT terminal gets the data of the Temperature and Humidity module of the temperature and humidity sensing module acquisition,
Data of the Temperature and Humidity module is converted, is packaged, data are packaged by the NB-IoT communication module being then act through in the NB-IoT terminal
It is sent to Internet of Things open platform；
After S4, the Internet of Things open platform receive reported data, parsed by customized encoding and decoding plug-in's data,
Data-pushing after parsing is into the application server of man-machine interactive platform；
S5, the application server write background program, are responsible for receiving the data of the NB-IoT terminal push and are stored in it
In internal MySQL database, user can believe the data reported by the intelligent mobile terminal in man-machine interactive platform at this time
Breath is checked；
S6, user carry out issuing for operational order by man-machine interactive platform, and the application server calls the Internet of Things to open
The transmitting order to lower levels interface for being laid flat platform issues order data；
After S7, the Internet of Things open platform receive the order issued, encoded by customized encoding and decoding plug-in unit, then
It sends data to the NB-IoT communication module and is finally sent in the master controller, the master controller is immediately to being
Fan in system carries out corresponding operating.
Compared with prior art, advantages of the present invention is mainly reflected in the following aspects:
The present invention is by by intelligent temperature and humidity sensing technology, narrowband Internet of Things (NB-IoT) communication technology, computer networking technology
And the integration such as JavaWeb technology apply to the mode in the measurement transmission of building temperature and humidity, enrich intelligence from technological layer
Measurement means under building background are effectively promoted the coverage area that temperature measures in intelligent building, ensure that the standard of measurement
True property and real-time.
Meanwhile the present invention improves the mobility of administrative staff, monitoring process is no longer influenced by the limitation of when and where, has
The manpower and production cost for reducing to effect management unit, improve management quality.
In addition, the present invention also provides reference for other relevant issues in same domain, can be opened up on this basis
Extension is stretched, and is applied in other technical solutions about building monitoring, has very wide application prospect.
Just attached drawing in conjunction with the embodiments below, the embodiment of the present invention is described in further detail, so that of the invention
Technical solution is more readily understood, grasps.
Detailed description of the invention
Fig. 1 is system structure diagram of the invention.
Specific embodiment
As shown in Figure 1, present invention discloses a kind of building temperature and humidity monitoring system based on NB-IoT, including NB-IoT are whole
Hold (Ultimate Equipment, UE), information post office (Message Post Office, MPO) and man-machine interactive platform
(Human-Computer Interaction, HCI) three parts, the NB-IoT terminal and the man-machine interactive platform are by institute
It states information post office and realizes communication connection.The information post office includes NB-IoT core network and Internet of Things open platform, NB-
The collected data of the Temperature and Humidity module of institute is sent to Internet of Things by the NB-IoT core network using communication protocol and opened by IoT terminal
It is laid flat in platform, the Internet of Things open platform is sent data in man-machine interactive platform again by solution coding.It is described herein logical
Believe that agreement is CoAP communication protocol or UDP communication protocol.
The NB-IoT terminal includes the master controller being electrically connected between each other, temperature and humidity sensing module, NB-IoT logical
Believe module and fan, the master controller reads data of the Temperature and Humidity module in the temperature and humidity sensing module building collected, right
Data carry out transcoding, convert data to hexadecimal and are packaged as the AT instruction of " send data ", after pass through the NB- again
IoT communication module is sent data in the Internet of Things open platform, while receiving the finger that the networking open platform issues
It enables.
In the present embodiment, the master controller is STM32L151C8T6 low-power consumption module, the temperature and humidity sensing module
For DHT11 module, the NB-IoT communication module is BC95-B5 communication module.
The master controller is electrically connected by the acquisition port AD and the temperature and humidity sensing module, and the master controller is borrowed
Connection serial ports and the NB-IoT communication module is helped to be electrically connected, the master controller is by the I/O interface and the fan
It is electrically connected.
The information post office is the message transfer system based on NB-IoT agreement, including NB-IoT core network and Internet of Things
Net open platform two parts, both the NB-IoT terminal and the man-machine interactive platform complete information by the information post office
Transmission.Encoding and decoding plug-in unit is encoded on the Internet of Things open platform, for realizing the solution of the NB-IoT terminal reported data
The forwarding of the coding of code and the man-machine interactive platform transmitting order to lower levels.
The man-machine interactive platform is for realizing man-machine information interaction, information processing and the software and hardware of information service system
System, the man-machine interactive platform include application server and intelligent mobile terminal.
The application server is Cloud Server, and the intelligent mobile terminal is smart phone or tablet computer.In this reality
It applies in example, the application server uses Huawei's Cloud Server, builds Tomcat server and designs MySQL database, uses
JavaEE framework develops temperature and humidity management platform.In the use process of this system, user can pass through the browsing of smart phone
Device accesses application server to obtain real-time building temperature and humidity information, and smart phone can be used and control fan remotely to adjust
Save the temperature and humidity of building.
It realizes and communicates to connect by http protocol between the information post office and the man-machine interactive platform, the application clothes
It is engaged in realizing between device and the intelligent mobile terminal by http protocol and communicate to connect.
Present invention further teaches a kind of monitoring method of building temperature and humidity monitoring system using above-mentioned based on NB-IoT,
Include the following steps:
After S1, system electrification, NB-IoT terminal starts to carry out initial work.
Including to master controller clock, serial ports, delay function, the drivings such as GPIO mouthfuls initialization, to temperature and humidity sensing
Module initialization, and NB-IoT communication module is initialized, predominantly attachment NB-IoT core network, configuration Internet of Things are open flat
Platform etc., when module is successfully adhered to, base station can distribute an interim IP address to NB-IoT communication module, for module and object
Data interaction is carried out between networking open platform.
After the completion of S2, initialization, temperature and humidity sensing module acquires data of the Temperature and Humidity module and record in building, subsequently completes number
According to reporting.
Specifically, temperature and humidity sensing module starts to acquire the data of the Temperature and Humidity module and record of building after the completion of initialization, it is
System reads the data of the Temperature and Humidity module of temperature and humidity sensing module acquisition by the PA7 pin of master controller: temperature and humidity sensing module
DATA line is drawn high by pull-up resistor R15 and is always maintained at high level.The DATA pin of temperature and humidity sensing module is in defeated at this time
Enter state, the moment detects external signal.PA7 is exported into low level, and low level time is not less than 18ms, then again sets PA7
It is set to input state.Since there are the DATA lines of pull-up resistor R15, temperature and humidity sensing module to become high level, temperature is waited
Humidity sensor module makes answer signal.When the DATA pin of temperature and humidity sensing module detects that external signal has low level, etc.
To the end of external signal low level, the DATA pin of temperature and humidity sensing module is in output state after delay, and output 80 is delicate
As answer signal, the high level notice peripheral hardware for and then exporting 80 microseconds prepares to receive data, the PA7 of master controller low level
It is now in input state, after detecting that I/O has low level (temperature and humidity sensing module back-signalling), waits the height electricity of 80 microseconds
Data receiver after flat.40 data are exported by the DATA pin of temperature and humidity sensing module, master controller is according to the change of I/O level
Change and receives 40 data, the format of position data " 0 " are as follows: the low level of 50 microseconds and the high level of 26-28 microsecond, position data " 1 "
Format are as follows: the low level of 50 microseconds adds the high level of 70 microseconds.The DATA pin of temperature and humidity sensing module exports 40 data
Afterwards, switch to input state after continuing to output 50 microsecond of low level, since pull-up resistor becomes high level therewith.So far reading data
Terminate, temperature and humidity sensing inside modules resurvey ambient temperature and humidity data, and Jian starting weight new recorded data waits external signal next time
Arrival.
Master controller in S3, the NB-IoT terminal gets the data of the Temperature and Humidity module of the temperature and humidity sensing module acquisition
Afterwards, data of the Temperature and Humidity module converted, be packaged, the NB-IoT communication module being then act through in the NB-IoT terminal beats data
Packet is sent to Internet of Things open platform.
After master controller gets data of the Temperature and Humidity module, data of the Temperature and Humidity module value is first converted into hexadecimal number, then be packaged into
The character string forms of " sending data " AT instruction, master controller send the data after packing by the TX pin PB10 of serial ports 3
Pin is received after NB-IoT communication module receives AT instruction to the RXD of NB-IoT communication module to be instructed according to AT and lead to data
It crosses CoAP agreement and is sent to platform of internet of things.
After S4, the Internet of Things open platform receive reported data, carried out by customized encoding and decoding plug-in's data
Parsing, the data-pushing after parsing is into the application server of man-machine interactive platform.
S5, the application server write background program, are responsible for receiving the data of the NB-IoT terminal push and deposit
Enter in its internal MySQL database, user can be by the intelligent mobile terminal in man-machine interactive platform to the number reported at this time
It is believed that breath is checked.
S6, user carry out issuing for operational order by man-machine interactive platform, such as in the behaviour of the intelligent mobile terminal
Impact is powered on as interface and opens fan button etc., and the subsequent application server calls the transmitting order to lower levels of the Internet of Things open platform
Interface issues order data.
After S7, the Internet of Things open platform receive the order issued, encoded by customized encoding and decoding plug-in unit,
It then sends data to the NB-IoT communication module and is finally sent in the master controller, the master controller is immediately
Corresponding operating is carried out to the fan in system.
Data after coding are sent in NB-IoT communication module by the Internet of Things open platform by CoAP agreement,
NB-IoT communication module receives and sends the RXD pin PB11 that pin TXD is sent to master controller serial ports 3 by serial ports after data,
Serial ports 3 is set as interrupting and receive, and the received data of serial ports 3 are stored in buffer area Buffer array in interrupting service function,
Circulation reading is carried out to the buffer area Buffer in principal function, after reading the order data for opening fan, master controller control
PA13 processed exports high level, controls relay switch closure connected to it, realizes and open fan.
So far system complete data report and order issue.
The present invention is by by intelligent temperature and humidity sensing technology, narrowband Internet of Things (NB-IoT) communication technology, computer network
The integration such as technology and JavaWeb technology apply to the mode in the measurement transmission of building temperature and humidity, enrich from technological layer
Measurement means under intelligent building background are effectively promoted the coverage area that temperature measures in intelligent building, ensure that measurement
Accuracy and real-time.
Meanwhile the present invention improves the mobility of administrative staff, monitoring process is no longer influenced by the limitation of when and where, has
The manpower and production cost for reducing to effect management unit, improve management quality.
In addition, the present invention also provides reference for other relevant issues in same domain, can be opened up on this basis
Extension is stretched, and is applied in other technical solutions about building monitoring, has very wide application prospect.
In conclusion it is the configuration of the present invention is simple, practical and convenient, low in energy consumption, there are very high use and promotional value.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit and essential characteristics of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention, and any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of building temperature and humidity monitoring system based on NB-IoT characterized by comprising NB-IoT terminal, information post office
And man-machine interactive platform three parts, the NB-IoT terminal and the man-machine interactive platform are realized by the information post office and are led to
Letter connection；The information post office includes NB-IoT core network and Internet of Things open platform, and NB-IoT terminal will be collected
Data of the Temperature and Humidity module be sent in Internet of Things open platform using communication protocol by the NB-IoT core network, the Internet of Things
Net open platform is sent data in man-machine interactive platform again by solution coding.
2. the building temperature and humidity monitoring system according to claim 1 based on NB-IoT, it is characterised in that: the NB-IoT
Terminal includes the master controller being electrically connected between each other, temperature and humidity sensing module, NB-IoT communication module and fan, described
Master controller reads data of the Temperature and Humidity module in the temperature and humidity sensing module building collected, transcoding is carried out to data after pass through again
The NB-IoT communication module is sent data in the Internet of Things open platform, while being received under the networking open platform
The instruction of hair.
3. the building temperature and humidity monitoring system according to claim 2 based on NB-IoT, it is characterised in that: the main control
Device is STM32L151C8T6 low-power consumption module, and the temperature and humidity sensing module is DHT11 module, the NB-IoT communication module
For BC95-B5 communication module.
4. the building temperature and humidity monitoring system according to claim 2 based on NB-IoT, it is characterised in that: the main control
Device by AD acquisition port and the temperature and humidity sensing module be electrically connected, the master controller by connection serial ports with it is described
NB-IoT communication module is electrically connected, and the master controller is electrically connected by the I/O interface and the fan.
5. the building temperature and humidity monitoring system according to claim 1 based on NB-IoT, it is characterised in that: the information postal
Office is the message transfer system based on NB-IoT agreement, including NB-IoT core network and Internet of Things open platform two parts,
Both the NB-IoT terminal and the man-machine interactive platform complete information transmission by the information post office；The Internet of Things is opened
It is laid flat and is encoded with encoding and decoding plug-in unit, decoding and the human-computer interaction for realizing the NB-IoT terminal reported data on platform
The coding of platform transmitting order to lower levels forwards.
6. the building temperature and humidity monitoring system according to claim 1 based on NB-IoT, it is characterised in that: the communication protocols
View is CoAP communication protocol or UDP communication protocol.
7. the building temperature and humidity monitoring system according to claim 1 based on NB-IoT, it is characterised in that: the man-machine friendship
Mutual platform is for realizing man-machine information interaction, information processing and the software and hardware system of information service, and the human-computer interaction is flat
Platform includes application server and intelligent mobile terminal.
8. the building temperature and humidity monitoring system according to claim 7 based on NB-IoT, it is characterised in that: the application clothes
Business device is Cloud Server, and the intelligent mobile terminal is smart phone or tablet computer.
9. the building temperature and humidity monitoring system according to claim 7 based on NB-IoT, it is characterised in that: the information postal
It realizes and communicates to connect by http protocol between office and the man-machine interactive platform, the application server and the intelligent mobile
It realizes and communicates to connect by http protocol between terminal.
10. a kind of monitoring side using the building temperature and humidity monitoring system based on NB-IoT as described in claim 1 ~ 9 is any
Method, which comprises the steps of:
After S1, system electrification, NB-IoT terminal starts to carry out initial work；
After the completion of S2, initialization, temperature and humidity sensing module acquires data of the Temperature and Humidity module and record in building, subsequently completes in data
Report；
After master controller in S3, the NB-IoT terminal gets the data of the Temperature and Humidity module of the temperature and humidity sensing module acquisition,
Data of the Temperature and Humidity module is converted, is packaged, data are packaged by the NB-IoT communication module being then act through in the NB-IoT terminal
It is sent to Internet of Things open platform；
After S4, the Internet of Things open platform receive reported data, parsed by customized encoding and decoding plug-in's data,
Data-pushing after parsing is into the application server of man-machine interactive platform；
S5, the application server write background program, are responsible for receiving the data of the NB-IoT terminal push and are stored in it
In internal MySQL database, user can believe the data reported by the intelligent mobile terminal in man-machine interactive platform at this time
Breath is checked；
S6, user carry out issuing for operational order by man-machine interactive platform, and the application server calls the Internet of Things to open
The transmitting order to lower levels interface for being laid flat platform issues order data；
After S7, the Internet of Things open platform receive the order issued, encoded by customized encoding and decoding plug-in unit, then
It sends data to the NB-IoT communication module and is finally sent in the master controller, the master controller is immediately to being
Fan in system carries out corresponding operating.
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