CN107942718A - Intelligent home furnishing control method and system based on block chain - Google Patents
Intelligent home furnishing control method and system based on block chain Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000013500 data storage Methods 0.000 claims description 17
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 12
- 238000011161 development Methods 0.000 claims description 7
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 5
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- 238000007726 management method Methods 0.000 description 2
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
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- G05B2219/2642—Domotique, domestic, home control, automation, smart house
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Abstract
The invention belongs to Internet of Things, human-computer interaction, block chain innovation and application field, to propose a kind of distributed date storage method, the major issue that can effectively overcome traditional database storage mode to be run into secret protection, data safety etc..With reference to sensor senses technology and face recognition technology, a kind of brand-new intelligent home control system is invented.For this reason, the technical solution adopted by the present invention is, based on the intelligent home control system of block chain, including：Server, data transmission module, sensor, access control module；Access control module is used for：By camera collection image information, server is transferred information to through data transmission module, face matching is carried out in server end and image library, successful match then opening door lock.Present invention is mainly applied to Internet of Things, human-computer interaction, block chain innovation and application occasion.
Description
Technical field
The invention belongs to Internet of Things, human-computer interaction, block chain innovation and application field, it is related to sensor senses technology and face
Identification technology, especially a kind of intelligent home furnishing control method and system based on block chain distributed storage.
Background technology
At present in the related art, data storage method is broadly divided into two classes：The first kind is traditional database storage mode.
Its advantage is mainly manifested in：Realize good data sharing and the management of high concentration control.Shortcoming is mainly reflected in：One
Aspect, data file are not easy to expand and transplant, and have very big program dependence.On the other hand, data high concentration easily causes letter
The hidden danger such as breath is distorted, privacy leakage.Second class is Distributed Storage mode.Distributed frame is passed using point-to-point network
It is defeated, eliminate or the management of reduction centralization controls, the main problem faced is the authenticity of identity between node.The present invention passes through
Block chain Floor layer Technology is introduced, using proof of work mechanism (Proof of Work, PoW), is solved in distributed network most
Crucial trust problem.
Block chain is the database technology scheme that a kind of whole people participate in, and data management is carried out in units of block.Block is
A kind of data structure for polymerizeing transaction, each block are made of two parts, and block main body is responsible for record transaction, and block head includes
The significant datas such as Merkel's root (Merkle Tree), timestamp, random number, digging mine disaster degree.When multiple areas for including Transaction Information
Link is formed block chain to block in order from back to front.As shown in Figure 1, it is the data structure of block chain.
The advantage of block chain is mainly reflected in the following aspects：First, decentralization goes to trust.It is distributed point-to-point
Network, and common recognition mechanism as defined in following, ensure that need not trust each other between node；Second, can not distort to trace.According to visiing
51% attack algorithm of front yard general is accounted for, individual node, which distorts the malice of data, does not interfere with other honest nodes；3rd,
Account book is open and clear.Any node possesses complete database account book, and each transaction all has observability.Block chain is distributed
There is also some problems for storage mode.First, performance issue.Each node, which adds block chain network, to be needed to possess complete account
This information.With the transaction increase of data account book, the requirement that the configuration to computer will have higher.Second, network delay.Block
The node common recognition of chain can be influenced be subject to network performance.
The content of the invention
For overcome the deficiencies in the prior art, the present invention is directed to propose a kind of distributed date storage method, can be effective
The major issue for overcoming traditional database storage mode to be run into secret protection, data safety etc..With reference to sensor senses
Technology and face recognition technology, invent a kind of brand-new intelligent home control system.For this reason, the technical solution adopted by the present invention
It is, based on the intelligent home control system of block chain, including：Server, data transmission module, sensor, access control module；
Access control module is used for：By camera collection image information, server is transferred information to through data transmission module, is being taken
Device end and the image library of being engaged in carry out face matching, successful match then opening door lock；
Sensor collection household data, by receiving and sending the sensor of data, data transmission module be transferred to service
Device；
Computer installation has block chain Distributed Storage module, and block chain Distributed Storage module provides data
Distributed storage mode, data include：House data monitoring index, face recognition database and history identification record, deployment
The privately owned chain of ether mill block chain --- " wisdom chain ", establishes the system operation rule of specific products, i.e., intelligent contract, ensures whole
The authenticity of a block chain and part decentralization.
Block chain Distributed Storage module is used for：Data storage, Data Detection, data traceability, specifically：
First, data storage, is substantially that data are stored in a transaction, each pen by the form of asymmetric encryption
Transaction includes digital signature, intelligent contract address, timestamp record, ensures the uniqueness of transaction and can not distort, in block chain
In network, dig ore deposit and transaction is verified by way of Merkle Tree；Second, Data Detection, according to current data feature
Specific encryption data in value matching block chain data account book, continues to optimize data query algorithm, reaches more efficiently and accurately
Retrieval capability；3rd, data traceability, by retrieving the historical record of a certain specific indexes of certain time period, obtains block chain and hands over
Easy data message, timestamp prove to ensure that the trackability of All Activity.
By be connected sensor similar mode connection include air-conditioning, TV, electric light basic household electrical appliances and be controlled,
NFC intelligent entrance guards, GPS navigation positioner, camera head monitor device can also be connected.
Based on the intelligent home furnishing control method of block chain, using sensor gathered data, implemented by access control module
Access control；The sensor includes Temperature Humidity Sensor, air quality sensor and carbon monoxide transducer, respectively collection temperature
Humidity, air quality, carbon monoxide data, by being responsible for receiving and sending the sensor of data, transmission, collecting sensor, door
Prohibit module data；Stored by block chain Distributed Storage mode, handle sensor, gate inhibition's module data, dispose ether
The privately owned chain of mill block chain --- " wisdom chain ", establishes the system operation rule of specific products, i.e., intelligent contract, ensures whole area
The authenticity of block chain and part decentralization.
Specific implementation step in one example is as follows：
Step S0101：Hardware development environment is built, including：Temperature Humidity Sensor, Arduino Uno mainboards, display screen；
In step S0101, by Temperature Humidity Sensor and display screen according to the circuit diagram and Arduino Uno being pre-designed
Mainboard carries out pin connection；
Step S0201：Executable control routine section is write, including：Humiture pin is defined, data of the Temperature and Humidity module is obtained, sets
Put time interval, the return data of detection；Specifically, code segment is compiled by Arduino IDE, and uploaded to
Arduino Uno mainboards；
Step S0301：Connect Temperature and Humidity in power-supply device opening chamber；
In step S0301, the connection of hardware circuit and the correctness of executable code logic are detected；
Step S0401：Network data transmission is carried out using Arduino W5100, is mainly responsible for and receives returning for Arduino plates
Data are passed, and sends the data to background server and carries out data processing, W5100 is a kind of Arduino with network function
Expansion board；
Step S0501：Category filter and the processing of part Hash are carried out to return data, plan uses two sets of data library storage sides
Case, including：It is related to anti-tamper truthful data and individual privacy data carries out block chain storage, elemental user information is then using biography
System database purchase；
In step S0501, it is contemplated that the problem of block chain carrying cost and search efficiency, therefore only to relatively important
Data carry out block chain storage, carry out SHA256 Hash calculations to data first, its cryptographic Hash then is stored in block chain；
Step S0502：Dispose the low level development environment of block chain data storage；
In step S0502, start privately owned chain --- " the wisdom chain " of ether mill block chain by Geth orders, in node
In facial recognition data account, human face recognizing identity authentication account, air quality monitoring account is respectively created, while obtain correspondence
The private key of account；
Step S0503：The digitized intelligent contract commitment protocol of block chain is write, including：Data storage, Data Detection,
Data traceability；
In step S0503, multi-party users participate and draw intelligent contract rule jointly, by private key signature to ensure contract
Validity；
Step S0504：Block chain trading pit is stored in the form of transaction, waits common recognition and the verification of node；It is proved to be successful
Contract will write block chain account book, prepare by intelligent contractual agreement write block chain；
Step S0505：Server end is by calling intelligent contractual agreement to be interacted with block chain data；
Step S0601：Smart machine is interacted with user.
The features of the present invention and beneficial effect are：
Smart home product solution based on block chain, there is provided distributed data store innovation and application pattern.
By the commitment protocol of intelligent contract, data are stored in block chain according to specific rule.Sensor senses technology obtains in real time
Room air monitoring data are taken, by analyzing data tendency in different time periods, reflection is more nearly real house data feelings
Condition.The monitoring data of the indexs such as graph making air quality, humiture, carbonomonoxide concentration.
Fig. 3 is air quality broken line graph.X-axis represents to monitor primary air quality, Y-axis table among 1 day when 3 is small
Show every 0.01 cubic feet>0.5 micron particles thing quantity.It can see from chart data tendency, 0:00-12:00 data connect
Near smooth, air quality is preferable；12:00-15:00、17:00-22:The fluctuating of 00 data is more obvious, 12:00 and 18:00 first
Reach 400 and 600 peak value twice afterwards.
Fig. 4 contrasts statistical chart for humiture.X-axis every other day monitors once indoor mean temperature and phase in representing one week
To humidity, left Y-axis represents temperature DEG C, and right Y-axis represents relative air humidity %.Interior is can see from correction data tendency
Temperature Centralized is at 20 DEG C -30 DEG C, and relative air humidity concentrates on 55%-65%, and change floating is smaller, and indoor temperature is suitable, compared with
For drying.
Fig. 5 is carbonomonoxide concentration statistical chart.X-axis represents to monitor a carbonomonoxide concentration, Y when 3 is small among 1 day
Axis represents carbonomonoxide concentration content.It can see from chart data tendency, whole day carbonomonoxide concentration is maintained at normal index
In the range of, do not occur the generation of the dangerous situations such as gas leak.
Brief description of the drawings：
Fig. 1 is block chain data structure.
Fig. 2 is smart home process analysis chart.
Fig. 3 discounts statistical chart for air quality.
Fig. 4 contrasts statistical chart for humiture.
Fig. 5 is carbonomonoxide concentration statistical chart.
Embodiment
The present invention proposes a kind of intelligent home control system being combined based on block chain and Arduino technologies.Invention is pressed
Divided according to technology, be mainly made of following three parts：
Part I：Face recognition technology module.
Face recognition technology refers to the face feature based on people, and collection image is positioned, is handled, identity validation, from
And match face identity.The present invention uses Face++ open platforms, and data access is carried out by API.Face++ is an offer
Face datection, recognition of face, the cloud service of face character analysis.Face recognition technology novelty is applied to smart home system
The access control module that system provides, carries out face matching, successful match is then by camera collection image information, and with image library
Can be succeeded opening door lock.
Specifically, face recognition technology is substantially the correlation function for relying on itself realization completely.In complete gate inhibition
In control function module, realized by sensor+computer.Idiographic flow is as follows：When user is embedding by pressure activated
When entering the pressure sensor FSR402 under doormat, FSR402 is notified that Arduino W5100 send facial recognition data to clothes
Business device end carries out face matching.The api interface that Face++ is provided is used in recognition of face, asks block chain to have by server and opens
The user data of door authority and the image progress recognition of face collected one by one with camera, if successful match, open door
Lock.
Part II：Sensor senses technology modules.
Sensor senses technology mainly employs the electronics Prototyping Platform Arduino to increase income, it by hardware Arduino plates and
Software Arduino IDE are formed.In terms of sensor model number selection, Basic monitoring sensor is on the one hand provided, including：DHT11
Temperature Humidity Sensor, MQ-135 air quality sensors, MQ-7 carbon monoxide transducers.On the other hand, there is provided NRF24L01 is passed
Sensor, is responsible for receiving and sending data.
Sensor senses technology is mainly used in the room air monitoring modular of intelligent domestic system offer, including：It is warm and humid
The Basic monitoring index such as degree, air quality, carbonomonoxide concentration.House data is monitored in real time, learns that air is supervised in time
Survey index, there is provided more healthy livable life.
Part III：Block chain Distributed Storage module.
Block chain technology mainly provides the distributed storage mode of data.Including：House data monitoring index, recognition of face
Database and history identification record etc..Privately owned chain --- " the wisdom chain " of ether mill block chain is disposed in intelligent domestic system,
The system operation rule of specific products, i.e. intelligence contract (Smart Contract) are established, ensures the authenticity of whole block chain
With part decentralization.
In Distributed Storage module, following three zones are mainly realized, including：Data storage, Data Detection, number
According to retrospect.
First, data storage.Substantially it is that data are stored in a transaction by the form of asymmetric encryption.Each pen
Transaction includes digital signature, intelligent contract address, timestamp record etc., ensures the uniqueness of transaction and can not distort.In block
In chain network, dig ore deposit and transaction is verified by way of Merkle Tree.Second, Data Detection.With facial recognition data
Exemplified by, specific encryption data in block chain data account book is matched according to current data characteristic value.Continue to optimize data query calculation
Method, reaches the retrieval capability of more efficiently and accurately.3rd, data traceability.With indoor monitoring data instance, by retrieving certain for the moment
Between a certain specific indexes of section historical record, obtain the data message of block chain transaction.Timestamp proves to ensure that All Activity
Trackability.
Block chain data storage technology, may not only be applied to the face recognition module and house data prison of intelligent domestic system
Survey module, for the basic home wiring control such as the air-conditioning in house system, TV, electric light, NFC intelligent entrance guards, GPS navigation positioning,
Camera head monitor etc. has very big application value.
An example of the present invention is described below：Arduino W5100 can be achieved on the Arduino extensions of function of surfing the Net
Plate, is mainly responsible for and carries out data interaction with server.Consider that its cost is higher, and multiple W5100 are interacted with server and can made
Into the data pressure of server end, therefore each household is not adopted as in intelligent domestic system and is equipped with W5100 expansion board, and
It is that data interaction is carried out using multiple NRF24 and W5100, NRF24 corresponds to each house system respectively.That is, sensing data
Interaction NRF24, NRF24 connections W5100, W5100 pass through the router access server that can network.
Node is distinctive concept in block chain technology, and block chain is a distributed P2P networking structure, each section
Point is all the independent individual for possessing intact block chain data, i.e., more redundancy backups, ensure that the invulnerability of network and height are fault-tolerant
Property.In block catenary system, equivalent to one miner of each node, ore deposit pattern is dug by packing to merchandise and open.In intelligence
, it is necessary to which the data for encrypting storage are all to be packaged into block chain by way of transaction to be stored in house system.Server
End, which is mainly responsible for, calls the intelligent contract of advance multiple party signatures that data can be stored in block chain.
It is server that block chain, which runs relied on hardware, can build required block chain operation ring on the server
Border.Transaction is that transmission is encrypted by the digital signature based on Cryptography Principles, therefore, sends both parties and is saved without considering
The problems such as point trust and sensitive information, all transaction can be propagated arbitrarily in a network.
The present invention provides a kind of Arduino Intelligent housing schemes based on block chain technology, for data storage, inspection
Survey and retrospect provides a kind of brand-new resolving ideas.As shown in Fig. 2, by taking indoor temperature and humidity monitors process analysis as an example, intelligence
The specific implementation step of house control system is as follows：
Step S0101：Hardware development environment is built, including：DHT11 Temperature Humidity Sensors, 1602 display screens, Arduino
Uno mainboards.
In step S0101, Arduino Uno are selected to connect mainboard for circuit, by DHT11 and 1602 display screens according to pre-
The circuit diagram first designed carries out pin connection.Wherein, DHT11 is the high performance-price ratio humiture of a calibrated digital signal output
Sensor.
Step S0201：Executable control routine section is write, including：Humiture pin is defined, data of the Temperature and Humidity module is obtained, sets
Put time interval, return data of detection etc..
In step S0201, code segment is compiled by Arduino IDE, and uploads to Arduino mainboards.Its
In, IDE is the software component elements of Arduino, is responsible for the writing of executable code segment, compiles and uploading operation.
Step S0301：Temperature and Humidity in power-supply device opening chamber is connected, is set every 1s detections once.
In step S0301, the connection of hardware circuit and the correctness of executable code logic are detected, if 1602
Display screen shows current indoor data of the Temperature and Humidity module, and data variation can occur every 1s, then it represents that Arduino hardware components are built
Complete.
Step S0401：Network data transmission is carried out using Arduino W5100, is mainly responsible for and receives returning for Arduino plates
Data are passed, and sends the data to background server and carries out data processing.
In step S0401, W5100 is a kind of Arduino expansion board with network function, due to consideration that its cost
It is higher, or selection NRF24L01 is as the instrument launched with receiving data, connection Arduino plates and W5100 network centers.
Step S0501：Category filter and the processing of part Hash are carried out to return data, plan uses two sets of data library storage sides
Case.Including：It is related to anti-tamper truthful data and individual privacy data carries out block chain storage, elemental user information is then using biography
System database purchase.
In step S0501, it is contemplated that the problem of block chain carrying cost and search efficiency, therefore only to relatively important
Data carry out block chain storage.SHA256 Hash calculations are carried out to data first, its cryptographic Hash is then stored in block chain.
Step S0502：Dispose the low level development environment of block chain data storage.
In step S0502, start privately owned chain --- " the wisdom chain " of ether mill block chain by Geth orders, in node
In facial recognition data account, human face recognizing identity authentication account, air quality monitoring account is respectively created, while obtain correspondence
The private key of account.
Step S0503：Write the digitized intelligent contract commitment protocol of block chain.Including：Data storage, Data Detection,
Data traceability.
In step S0503, multi-party users participate and draw intelligent contract rule jointly, by private key signature to ensure contract
Validity.Intelligent contract uses Solidity development languages.
Step S0504：Intelligent contractual agreement is write into block chain.
In step S0504, the contract passed through of signing is diffused by p2p networks, and area is stored in the form of transaction
Block chain trading pit, waits common recognition and the verification of node；The contract being proved to be successful will write block chain account book.Contract transaction is sent to refer to
Order is as follows：
Data=contract.new ({ from:web3.eth.accounts[0],data:
compiled.demo.code})；
Step S0505：The intelligent contractual agreement of block chain is called, including：Smart home data storage contract, recognition of face
Detect contract, house data retrospect contract etc..
In step S0505, server end is completed hidden by calling intelligent contractual agreement to be interacted with block chain data
The preset functions such as private data encryption storage, recognition of face information matches, house data tendency graph making.
Step S0601：Smart machine is interacted with user, is mainly responsible for statistics and the triggering of display smart home
New event request.
In step S0601, when mobile end subscriber sends new request instruction, W5100, which is received, to be instructed and sends it to
Arduino plates, the sensor for triggering different model perform preset function.
Of the present invention is a kind of intelligent home furnishing control method based on block chain technology, and one is provided for data storage
Kind new approaches.It is proposed and take a kind of execution being combined based on block chain Distributed Storage and sensor senses technology
Strategy, by analyzing the identification of recognition of face and the tendency situation of data monitoring, achievees the purpose that Information Security stores.Wound
A kind of wisdom chain ecosystem for proposing rule and being combined with technological perfectionism of new property.
Claims (5)
1. a kind of intelligent home control system based on block chain, it is characterized in that, including：Server, data transmission module, sensing
Device, access control module；Access control module is used for：By camera collection image information, through data transmission module by information
Server is transferred to, face matching is carried out in server end and image library, successful match then opening door lock；
Sensor collection household data, by receiving and sending the sensor of data, data transmission module is transferred to server；
Computer installation has block chain Distributed Storage module, and block chain Distributed Storage module provides point of data
Cloth storage mode, data include：House data monitoring index, face recognition database and history identification record, dispose ether
The privately owned chain of mill block chain --- " wisdom chain ", establishes the system operation rule of specific products, i.e., intelligent contract, ensures whole area
The authenticity of block chain and part decentralization.
2. the intelligent home control system as claimed in claim 1 based on block chain, it is characterized in that, block chain distributed data
Memory module is used for：Data storage, Data Detection, data traceability, specifically：First, data storage, is substantially to lead to data
The form for crossing asymmetric encryption is stored in a transaction, and each transaction includes digital signature, intelligent contract address, time stab
Record, ensures the uniqueness of transaction and can not distort, and in block chain network, digs ore deposit by way of Merkle Tree to transaction
Verified；Second, Data Detection, specific encryption data in block chain data account book is matched according to current data characteristic value,
Data query algorithm is continued to optimize, reaches the retrieval capability of more efficiently and accurately；3rd, data traceability, by retrieving certain for the moment
Between a certain specific indexes of section historical record, obtain the data message of block chain transaction, timestamp proves to ensure that All Activity
Trackability.
3. the intelligent home control system as claimed in claim 1 based on block chain, it is characterized in that, by with being connected sensor
Similar mode connection include air-conditioning, TV, electric light basic household electrical appliances and be controlled, can also connect NFC intelligent entrance guards, GPS
Navigation positional device, camera head monitor device.
4. a kind of intelligent home furnishing control method based on block chain, it is characterized in that, using sensor gathered data, controlled by gate inhibition
Molding block implements access control；The sensor includes Temperature Humidity Sensor, air quality sensor and carbon monoxide transducer,
Humiture, air quality, carbon monoxide data are gathered respectively, and by being responsible for receiving and sending the sensor of data, transmission, collect
Sensor, gate inhibition's module data；Stored by block chain Distributed Storage mode, handle sensor, gate inhibition's module data,
Privately owned chain --- " the wisdom chain " of ether mill block chain is disposed, establishes the system operation rule of specific products, i.e., intelligent contract, is protected
Demonstrate,prove authenticity and the part decentralization of whole block chain.
5. the intelligent home furnishing control method as claimed in claim 4 based on block chain, it is characterized in that, it is specific in an example
Implementation steps are as follows：
Step S0101：Hardware development environment is built, including：Temperature Humidity Sensor, Arduino Uno mainboards, display screen；
In step S0101, by Temperature Humidity Sensor and display screen according to the circuit diagram and Arduino Uno mainboards being pre-designed
Carry out pin connection；
Step S0201：Executable control routine section is write, including：Humiture pin is defined, data of the Temperature and Humidity module is obtained, inspection is set
The time interval of survey, return data；Specifically, code segment is compiled by Arduino IDE, and uploads to Arduino
Uno mainboards；
Step S0301：Connect Temperature and Humidity in power-supply device opening chamber；
In step S0301, the connection of hardware circuit and the correctness of executable code logic are detected；
Step S0401：Network data transmission is carried out using Arduino W5100, is mainly responsible for the passback number for receiving Arduino plates
According to, and send the data to background server and carry out data processing, W5100 is a kind of Arduino extensions with network function
Plate；
Step S0501：Category filter and the processing of part Hash are carried out to return data, plan uses two sets of data library storage schemes,
Including：It is related to anti-tamper truthful data and individual privacy data carries out block chain storage, elemental user information is then using tradition
Database purchase；
In step S0501, it is contemplated that the problem of block chain carrying cost and search efficiency, therefore only to relatively important data
Block chain storage is carried out, SHA256 Hash calculations are carried out to data first, its cryptographic Hash is then stored in block chain；
Step S0502：Dispose the low level development environment of block chain data storage；
In step S0502, by Geth orders start ether mill block chain privately owned chain --- " wisdom chain ", divides in node
Not Chuan Jian facial recognition data account, human face recognizing identity authentication account, air quality monitoring account, while obtain corresponding account
Private key；
Step S0503：The digitized intelligent contract commitment protocol of block chain is write, including：Data storage, Data Detection, data
Retrospect；
In step S0503, multi-party users participate and draw intelligent contract rule jointly, by private key signature to ensure having for contract
Effect property；
Step S0504：Block chain trading pit is stored in the form of transaction, waits common recognition and the verification of node；The conjunction being proved to be successful
Block chain account book will be about write, prepares intelligent contractual agreement writing block chain；
Step S0505：Server end is by calling intelligent contractual agreement to be interacted with block chain data；
Step S0601：Smart machine is interacted with user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810036080.4A CN107942718A (en) | 2018-01-15 | 2018-01-15 | Intelligent home furnishing control method and system based on block chain |
Applications Claiming Priority (1)
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