CN107064428A - A kind of room air monitor and alarm system - Google Patents
A kind of room air monitor and alarm system Download PDFInfo
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Abstract
The invention belongs to air monitering technical field, a kind of room air monitor and alarm system is disclosed, being provided with temperature sensor, humidity sensor, PM2.5 sensors, air mass sensor is used to monitor other mass parameters in indoor air themperature, air humidity, PM2.5 and air in real time；Contribute to the monitoring comprehensive to IAQ, be favorably improved the quality of life and level of people；Memory is used for each index parameter and the processing procedure to fire alarm information for storing the air quality of central processing unit processing, is easy to investigation of the later stage to cause of fire.The present invention is additionally provided with fire alarm function, realizes fire alarm, and information is transmitted to mobile terminal and Fire Department in time, realizes the timely discovery of fire, and alarm, farthest the property loss of reduction owner.
Description
Technical field
The invention belongs to air monitering technical field, more particularly to a kind of room air monitor and alarm system.
Background technology
Air monitering refer to the polluter being present in air is pinpointed, the sampling and measurement of continuous or timing.For
Air is monitored, several air monitering points are typically set up in a city, the instrument monitored automatically is installed and makees continuous
Automatic monitoring, monitoring result is sent someone periodically to fetch, and is analyzed and obtained the data of correlation.The project of air monitering is mainly wrapped
Include sulfur dioxide, nitric oxide, hydrocarbon, floating dust etc..Air monitering is air quality control and air quality is carried out
The basis of rational evaluation.
In summary, the problem of prior art is present be：Existing room air monitoring device intelligence degree is relatively low, and
And the data accuracy of monitoring is not high, it is impossible to realize that remote information is shared, cause alarm not in time, great wealth is caused to user
Production loss；And existing room air monitoring device is when using network, it is impossible to ensure the security of transmission data.
The content of the invention
The problem of existing for prior art, the invention provides a kind of room air monitor and alarm system.
The present invention is achieved in that a kind of room air monitor and alarm system, the room air monitor and alarm system
It is provided with：
Temperature sensor, humidity sensor, PM2.5 sensors, air mass sensor and central processing unit wired connection,
For monitoring other mass parameters in indoor air themperature, air humidity, PM2.5 and air in real time；Contribute to interior
The comprehensive monitoring of air quality；The air mass sensor is to IAQ parameter signal awareness apparatus in independence
Sampling period in echo signal x (t) is acquired, and digital quantization is carried out to signal with A/D modes；Then, to quantifying
Signal x (i) afterwards carries out dimensionality reduction；Finally, the signal after dimensionality reduction is reconstructed；Wherein t is sampling instant, after i is quantifies
Signal sorts；
Dimensionality reduction is carried out to the signal after quantization, is specifically the difference that finite impulse response filter is passed through to the signal after quantization
Divide equationWherein h (0) ..., h (L-1) are filter coefficient, and design is based on
The compressed sensing signal acquisition framework of filtering, constructs following Teoplitz calculation matrix：
Then observeWherein b1,…,bLRegard filter coefficient as；Submatrix
ΦFTSingular value be gram matrix G (ΦF, T) and=Φ 'FTΦFTThe arithmetic root of characteristic value, checking G (Φ F, T) all spies
Value indicative λ i ∈ (1- δK,1+δK), i=1 ..., T, then ΦFRIP is met, and by solvingOptimization problem
To reconstruct original signal；Original signal, that is, BP algorithm are reconstructed by linear programming method；To image or compress speech signal
Collection, then change ΦFFor following form：
If signal, with openness, pass through and solved on conversion basic matrix ΨMost
Optimization problem, Accurate Reconstruction goes out original signal；Wherein Φ is uncorrelated to Ψ, and Ξ is referred to as CS matrixes；
Humidity sensor digital modulation signals x (t) fractional lower-order ambiguity function is expressed as：
Wherein, τ is delay skew, and f is Doppler frequency shift, 0 ＜ a, b ＜ α/2, x*(t) x (t) conjugation is represented, as x (t)
During for real signal, x (t)＜ p ＞=| x (t) |＜ p ＞sgn(x(t))；When x (t) is time multiplexed signal, [x (t)]＜ p ＞=| x (t) |p-1x*
(t)；
The reception signal y (t) of PM2.5 sensors is expressed as：
Y (t)=x (t)+n (t)；
Wherein, x (t) is digital modulation signals, and n (t) is the impulsive noise that obedience standard S α S are distributed, x (t) parsing shape
Formula is expressed as：
Wherein, N is sampling number, anFor the information symbol of transmission, in MASK signals, an=0,1,2 ..., M-1, M are
Order of modulation, an=ej2πε/M, ε=0,1,2 ..., M-1, g (t) expression rectangle shaping pulses, TbRepresent symbol period, fcRepresent
Carrier frequency, carrier wave initial phaseIt is the equally distributed random number in [0,2 π]；
Alarm center module, with central processing unit wired connection, exceedes necessarily for realizing with Fire Department and air quality
Alarm during threshold value；
Memory, and central processing unit wired connection, each of air quality for storing central processing unit processing refers to
Mark parameter and the processing procedure to fire alarm information；
Self-extinguishing module, with central processing unit wired connection, for occurring during fire alarm, performs the finger of central processing unit
Order, carries out sprinkling fire；
Camera, with central processing unit wired connection, the captured in real-time for realizing off-the-air picture；
Smoke alarm, with central processing unit wired connection, the smokescope for monitoring interior in real time, when more than certain
During threshold value, central processing unit is transmitted a signal to, is alarmed；
WLAN, and central processing unit wired connection, for realizing that the information of central processing unit is wirelessly transferred；It is described
WLAN includes：Network data download module, for being downloaded from carrier server by the network authentication after public key encryption
Data and network configuration data；Cipher key store, for storing the private key matched with the public key of the carrier server；Operator
Database, for storing Network authentication data and network configuration data；Respectively with the cipher key store, the operator database and
The network data authentication module that the network data download module is connected, for obtain in the cipher key store with the public key institute
Corresponding private key, is decrypted by the Network authentication data and network configuration data after the private key pair encryption, and to decryption
Network authentication data and network configuration data afterwards is authenticated, and certification is after by Network authentication data and network configuration data
In operator database shown in deposit；The authentication module being connected with the operator database, for using the operator
Network authentication data in database completes authentication request；The network selection module being connected with the operator database, is used
In by setting the Network authentication data and network configuration data；Respectively with the network data download module, the authentication
The command interpretation module that module is connected with the network selection module, for explaining the order from central processing unit, and will
Order after explanation is sent to corresponding functional module；The interface communication module being connected with the command interpretation module, is used
Communicated in mobile terminal；
Mobile terminal, by WLAN and central processing unit wireless connection, for the air quality prison in receiving chamber
Survey parameter.The mobile terminal is provided with mobile phone terminal APP data reception modules, the data point of mobile phone terminal APP data reception modules
Method is enjoyed, including：
Request is shared in acquisition；
Share request according to described, call a streaming media service, and determine first data for being used to share；
Based on the streaming media service, first data are converted into stream medium data and generation one by Streaming Media
Agreement results in the address information of the stream medium data；
The address information is sent to central processing unit；Wherein, the address information is used to make the central processing unit root
The stream medium data is obtained according to the address information；
Based on the streaming media service, after the confirmation of the central processing unit is received, handled to the center
Device exports the stream medium data；
Included according to first data for sharing request determination for sharing：
If from it is described share the fileinfo of any data file stored on the memory is got in request, really
The fixed any data file is the first data for sharing；
It is if in any data file handling procedure, receiving and sharing request, then currently processed any data file is true
It is set to the first data for sharing；
Before the stream medium data is exported to the central processing unit, further comprise：
Control information is sent to the central processing unit, the control information is used to make the central processing unit according to described
Control information determines to perform the stream medium data application program；
When in any data file handling procedure, receive it is described share request, according to it is described share ask determination to be used for
The first data shared, and first data are converted into stream medium data and generation one can be obtained by stream media protocol
Obtain the address information of the stream medium data；, will be described in the currently processed positional information of the acquisition any data file
It is untreated in any data file to be partially converted to stream medium data and generation one results in institute by stream media protocol
State the address information of stream medium data；
Request is shared in the acquisition to be included：
If detecting the operation information that user performs setting operation, request is shared according to operation information generation；
The processing stream that any data file is terminated after the confirmation that the center has been handled is received
Journey；
Share described in obtaining after request, using the data inputted in real time as the first data, Streaming Media is called based on described
The first data inputted in real time are converted into stream medium data by service.
Further, temperature sensor, which carries out temperature acquisition method, includes：
Indoor temperature parameter is obtained according to infrared spectral radiant, infrared spectrum emissivity is at selected wavelength and temperature
There is approximately uniform linear relationship, i.e.,：
εi2=εi1[1+k(T2-T1)]
In formula, εi1It is that wavelength is λi, spectral emissivity when temperature is T1；εi2It is that wavelength is λi, light when temperature is T2
Compose emissivity；T1, T2 are respectively two temperature not in the same time；K is coefficient；
Vi1For first temperature T1Under i-th of passage output signal, Vi2For first temperature T2Under i-th of passage
Output signal, T1At a temperature of emissivity εi1∈ (0,1), by randomly selecting one group of εi1, calculated by following formula in parameter εi1Under
The T actually obtainedi1：
If k ∈ (- η, η), by randomly selecting a k, in second temperature T2Under emissivity εi2Expression formula be：
Calculated by following formula in parameter εi1Under the T that actually obtainsi2：
Further, cipher key store is for the private key method that the public key of storage and the carrier server matches：
Cipher key store generation random number rkeyid, its corresponding public key rPK is calculated using elliptic curve cryptographyid, rPKid
=rkeyid× G, G are the basic point of elliptic curve, by rPKidWith user mark UID externally send, key generation system generation with
Machine number rkeyKMC, its corresponding public key rPK is calculated using elliptic curve cryptographyKMC, wherein, rPKKMC=rkeyKMC× G, and
Remember γid=rPKid+rPKKMC；
Identity private key key is calculated using user's mark UIDidWith mark public key Rid, it is specially：
The size of generation private key matrix and public key matrix, private key matrix and public key matrix is that m × h, m and h are just whole
Number；
The hashed value that UID calculates user's mark UID using hashing algorithm is identified using user, the hashed value is divided into m
Section, is used as private key matrix and public key matrix column mapping value map [i], i=0,1,2......m-1；
Calculate：
ri,map[i]For an element in private key matrix；
Xi,map[i]For an element in public key matrix；
N is the rank of elliptic curve.
Further, the central processing unit data processing method includes：
Receive and safeguard more new command；
Subscriber identity information is obtained according to the maintenance more new command and needs to safeguard the dimension table of the dimension table updated
Information；
The dimension table configuration information pre-set according to the dimension table acquisition of information；Wherein, the dimension table matches somebody with somebody confidence
In breath synchronous purpose database is needed with the source database for needing to safeguard where the dimension table of renewal, the dimension table
And dimension table operating right information；
According to the subscriber identity information and the dimension table operating right information, judge that the subscriber identity information is
It is no to meet the dimension table operating right information；
If the subscriber identity information meets the dimension table operating right information, need to safeguard the dimension updated to described
Table is updated operation；
The dimension table being updated after operation is synchronized to the purpose database.
Further, the dimension table operating right information includes：User Identity with dimension table operating right；
It is described to judge whether the subscriber identity information meets the dimension table operating right information, including：
Judge the subscriber identity information whether in the User Identity with dimension table operating right.
Further, the maintenance more new command is increase content instruction, changes content instruction or delete content instruction；
Before operation is updated to the dimension table for needing maintenance to update, including：
More new command is safeguarded according to described, it is determined that needs safeguard the field updated, and the needs maintenance renewal is got
Field field identification；
The field configuration information pre-set is got according to the field identification and the dimension table configuration information；Its
In, the field configuration information includes field contents ordering rule, field ordering information, the field restrictive condition of the field.
Further, it is described to need to safeguard the dimension updated to described if the maintenance more new command is increase content instruction
Table is updated operation, including：
Obtain the corresponding batch data content of the increase content instruction；
According to the batch data content, field contents are increased in one or more of dimension table field；
According to the field contents ordering rule, the field contents are ranked up；
According to the field ordering information, each field in dimension table is ranked up；
If the maintenance more new command is change content instruction, need to safeguard that the dimension table updated is updated behaviour to described
Make, including：
Obtain the corresponding batch data content of the change content instruction；
According to the batch data content, field contents are changed in one or more of dimension table field；
If the maintenance more new command is deletes content instruction, need to safeguard that the dimension table updated is updated behaviour to described
Make, including：
Field contents are deleted in one or more of dimension table field.
Further, need to safeguard that the dimension table updated is updated operation to described, in addition to：
Judge whether each field after the increase field contents, change field contents or deletion field contents meets
The field restrictive condition；
If there is field to be unsatisfactory for the field restrictive condition, prompt message is generated；The prompt message is used to point out to be discontented with
The Field Count of the foot field restrictive condition, and point out to be unsatisfactory for the field relevant information of the field restrictive condition；The word
Section relevant information includes the field identification or field name of the field.
Advantages of the present invention and good effect are：Temperature sensor, humidity sensor, PM2.5 sensors, air quality are passed
Sensor is used to monitor other mass parameters in indoor air themperature, air humidity, PM2.5 and air in real time；Contribute to pair
The comprehensive monitoring of IAQ, is favorably improved the quality of life and level of people；Memory is used to store centre
Each index parameter and the processing procedure to fire alarm information of the air quality of device processing are managed, is easy to the later stage to cause of fire
Investigation.The present invention is additionally provided with fire alarm function, realizes fire alarm, and information is transmitted to mobile terminal and fire-fighting in time
Office, realizes the timely discovery of fire, and alarm, farthest the property loss of reduction owner.
The present invention can realize the transmission of information by WLAN, while set by the multimode of WLAN,
The accurate control of user profile is realized, is filtered for not certified information, passes through key library storage private key method, it is ensured that
The information of user is not by external interference.
The present invention can carry out data sharing with central processing unit in real time by mobile terminal, carry out remote operation and control.
The present invention is proved by related experiment：Temperature sensor can obtain accurate temperature signal, pass through temperature of the present invention
The method of collection by 93.32% brings up to 97.85% than the data acquisition accuracy of prior art.
Humidity sensor of the present invention, PM2.5 sensors, air mass sensor pass through different signal receiving methods, pole
The earth improves the accuracys rate of data, and the data acquisition accuracy than prior art by 93.32% brings up to 98.28%.
Central processing unit data processing method of the present invention, has fully ensured that each transmission data constantly in change, there is standard
Really the data after processing, are that intelligentized control plays a key effect.
Brief description of the drawings
Fig. 1 is room air monitor and alarm system structural representation provided in an embodiment of the present invention；
In figure：1st, central processing unit；2nd, temperature sensor；3rd, humidity sensor；4th, PM2.5 sensors；5th, air quality
Sensor；6th, alarm center module；7th, memory；8th, self-extinguishing module；9th, camera；10th, smoke alarm；11st, it is wireless
LAN；12nd, mobile terminal.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
As shown in figure 1, room air monitor and alarm system provided in an embodiment of the present invention includes：Central processing unit 1, temperature
Sensor 2, humidity sensor 3, PM2.5 sensors 4, air mass sensor 5, alarm center module 6, memory 7, go out automatically
Fiery module 8, camera 9, smoke alarm 10, WLAN 11, mobile terminal 12.
Temperature sensor 2, humidity sensor 3, PM2.5 sensors 4, air mass sensor 5 and central processing unit 1 are wired
Connection, for monitoring other mass parameters in indoor air themperature, air humidity, PM2.5 and air in real time；Contribute to pair
The comprehensive monitoring of IAQ, is favorably improved the quality of life and level of people.The air mass sensor pair
IAQ parameter signal is acquired with awareness apparatus within the independent sampling period to echo signal x (t), and uses A/
D modes carry out digital quantization to signal；Then, dimensionality reduction is carried out to the signal x (i) after quantization；Finally, the signal after dimensionality reduction is entered
Line reconstruction；Wherein t is sampling instant, and i is the signal sequence after quantifying；
Dimensionality reduction is carried out to the signal after quantization, is specifically the difference that finite impulse response filter is passed through to the signal after quantization
Divide equationWherein h (0) ..., h (L-1) are filter coefficient, and design is based on
The compressed sensing signal acquisition framework of filtering, constructs following Teoplitz calculation matrix：
Then observeWherein b1,…,bLRegard filter coefficient as；Submatrix
ΦFTSingular value be gram matrix G (ΦF, T) and=Φ 'FTΦFTThe arithmetic root of characteristic value, checking G (Φ F, T) all spies
Value indicative λ i ∈ (1- δK,1+δK), i=1 ..., T, then ΦFRIP is met, and by solvingOptimization problem
To reconstruct original signal；Original signal, that is, BP algorithm are reconstructed by linear programming method；To image or compress speech signal
Collection, then change ΦFFor following form：
If signal, with openness, pass through and solved on conversion basic matrix Ψ
Optimization problem, Accurate Reconstruction goes out original signal；Wherein Φ is uncorrelated to Ψ, and Ξ is referred to as CS matrixes；
Humidity sensor digital modulation signals x (t) fractional lower-order ambiguity function is expressed as：
Wherein, τ is delay skew, and f is Doppler frequency shift, 0 ＜ a, b ＜ α/2, x*(t) x (t) conjugation is represented, as x (t)
During for real signal, x (t)＜ p ＞=| x (t) |＜ p ＞sgn(x(t))；When x (t) is time multiplexed signal, [x (t)]＜ p ＞=| x (t) |p-1x*
(t)；
The reception signal y (t) of PM2.5 sensors is expressed as：
Y (t)=x (t)+n (t)；
Wherein, x (t) is digital modulation signals, and n (t) is the impulsive noise that obedience standard S α S are distributed, x (t) parsing shape
Formula is expressed as：
Wherein, N is sampling number, anFor the information symbol of transmission, in MASK signals, an=0,1,2 ..., M-1, M are
Order of modulation, an=ej2πε/M, ε=0,1,2 ..., M-1, g (t) expression rectangle shaping pulses, TbRepresent symbol period, fcRepresent
Carrier frequency, carrier wave initial phaseIt is the equally distributed random number in [0,2 π].
Alarm center module 6, and the wired connection of central processing unit 1, for realizing with Fire Department and air quality more than one
Determine alarm during threshold value.
Memory 7, and the wired connection of central processing unit 1, for store central processing unit processing air quality each
Index parameter and the processing procedure to fire alarm information, are easy to investigation of the later stage to cause of fire.
Self-extinguishing module 8, with the wired connection of central processing unit 1, for occurring during fire alarm, performs central processing unit 10
Instruction, carries out sprinkling fire.
Camera 9, with the wired connection of central processing unit 1, the captured in real-time for realizing off-the-air picture.
Smoke alarm 10, and the wired connection of central processing unit 1, for monitoring indoor smokescope in real time, when more than
During certain threshold value, central processing unit 1 is transmitted a signal to, is alarmed.
WLAN 11, and the wired connection of central processing unit 1, for realizing that the information of central processing unit 1 is wirelessly transferred.
The WLAN includes：Network data download module, for being downloaded from carrier server by the network after public key encryption
Authorization data and network configuration data；Cipher key store, for storing the private key matched with the public key of the carrier server；Fortune
Quotient data storehouse is sought, for storing Network authentication data and network configuration data；Respectively with the cipher key store, the carrier data
The network data authentication module that storehouse is connected with the network data download module, for obtain in the cipher key store with the public affairs
Private key corresponding to key, is decrypted by the Network authentication data and network configuration data after the private key pair encryption, and right
Network authentication data and network configuration data after decryption are authenticated, and certification is after by Network authentication data and network configuration
In operator database shown in data deposit；The authentication module being connected with the operator database, for using the fortune
The Network authentication data sought in quotient data storehouse completes authentication request；The network selection mould being connected with the operator database
Block, for by setting the Network authentication data and network configuration data；Respectively with the network data download module, described
The command interpretation module that authentication module is connected with the network selection module, for explaining the order from central processing unit,
And send the order after explanation to corresponding functional module；The interface communication mould being connected with the command interpretation module
Block, for being communicated with mobile terminal；
Mobile terminal 12, by WLAN 11 and the wireless connection of central processing unit 1, for the air matter in receiving chamber
Amount monitoring parameter.The mobile terminal is provided with mobile phone terminal APP data reception modules, the number of mobile phone terminal APP data reception modules
According to sharing method, including：
Request is shared in acquisition；
Share request according to described, call a streaming media service, and determine first data for being used to share；
Based on the streaming media service, first data are converted into stream medium data and generation one by Streaming Media
Agreement results in the address information of the stream medium data；
The address information is sent to central processing unit；Wherein, the address information is used to make the central processing unit root
The stream medium data is obtained according to the address information；
Based on the streaming media service, after the confirmation of the central processing unit is received, handled to the center
Device exports the stream medium data；
Included according to first data for sharing request determination for sharing：
If from it is described share the fileinfo of any data file stored on the memory is got in request, really
The fixed any data file is the first data for sharing；
It is if in any data file handling procedure, receiving and sharing request, then currently processed any data file is true
It is set to the first data for sharing；
Before the stream medium data is exported to the central processing unit, further comprise：
Control information is sent to the central processing unit, the control information is used to make the central processing unit according to described
Control information determines to perform the stream medium data application program；
When in any data file handling procedure, receive it is described share request, according to it is described share ask determination to be used for
The first data shared, and first data are converted into stream medium data and generation one can be obtained by stream media protocol
Obtain the address information of the stream medium data；, will be described in the currently processed positional information of the acquisition any data file
It is untreated in any data file to be partially converted to stream medium data and generation one results in institute by stream media protocol
State the address information of stream medium data；
Request is shared in the acquisition to be included：
If detecting the operation information that user performs setting operation, request is shared according to operation information generation；
The processing stream that any data file is terminated after the confirmation that the center has been handled is received
Journey；
Share described in obtaining after request, using the data inputted in real time as the first data, Streaming Media is called based on described
The first data inputted in real time are converted into stream medium data by service.
Further, temperature sensor, which carries out temperature acquisition method, includes：
Indoor temperature parameter is obtained according to infrared spectral radiant, infrared spectrum emissivity is at selected wavelength and temperature
There is approximately uniform linear relationship, i.e.,：
εi2=εi1[1+k(T2-T1)]
In formula, εi1It is that wavelength is λi, spectral emissivity when temperature is T1；εi2It is that wavelength is λi, light when temperature is T2
Compose emissivity；T1, T2 are respectively two temperature not in the same time；K is coefficient；
Vi1For first temperature T1Under i-th of passage output signal, Vi2For first temperature T2Under i-th of passage
Output signal, T1At a temperature of emissivity εi1∈ (0,1), by randomly selecting one group of εi1, calculated by following formula in parameter εi1Under
The T actually obtainedi1：
If k ∈ (- η, η), by randomly selecting a k, in second temperature T2Under emissivity εi2Expression formula be：
Calculated by following formula in parameter εi1Under the T that actually obtainsi2：
Further, cipher key store is for the private key method that the public key of storage and the carrier server matches：
Cipher key store generation random number rkeyid, its corresponding public key rPK is calculated using elliptic curve cryptographyid, rPKid
=rkeyid× G, G are the basic point of elliptic curve, by rPKidWith user mark UID externally send, key generation system generation with
Machine number rkeyKMC, its corresponding public key rPK is calculated using elliptic curve cryptographyKMC, wherein, rPKKMC=rkeyKMC× G, and
Remember γid=rPKid+rPKKMC；
Identity private key key is calculated using user's mark UIDidWith mark public key Rid, it is specially：
The size of generation private key matrix and public key matrix, private key matrix and public key matrix is that m × h, m and h are just whole
Number；
The hashed value that UID calculates user's mark UID using hashing algorithm is identified using user, the hashed value is divided into m
Section, is used as private key matrix and public key matrix column mapping value map [i], i=0,1,2......m-1；
Calculate：
ri,map[i]For an element in private key matrix；
Xi,map[i]For an element in public key matrix；
N is the rank of elliptic curve.
Further, the central processing unit data processing method includes：
Receive and safeguard more new command；
Subscriber identity information is obtained according to the maintenance more new command and needs to safeguard the dimension table of the dimension table updated
Information；
The dimension table configuration information pre-set according to the dimension table acquisition of information；Wherein, the dimension table matches somebody with somebody confidence
In breath synchronous purpose database is needed with the source database for needing to safeguard where the dimension table of renewal, the dimension table
And dimension table operating right information；
According to the subscriber identity information and the dimension table operating right information, judge that the subscriber identity information is
It is no to meet the dimension table operating right information；
If the subscriber identity information meets the dimension table operating right information, need to safeguard the dimension updated to described
Table is updated operation；
The dimension table being updated after operation is synchronized to the purpose database.
Further, the dimension table operating right information includes：User Identity with dimension table operating right；
It is described to judge whether the subscriber identity information meets the dimension table operating right information, including：
Judge the subscriber identity information whether in the User Identity with dimension table operating right.
Further, the maintenance more new command is increase content instruction, changes content instruction or delete content instruction；
Before operation is updated to the dimension table for needing maintenance to update, including：
More new command is safeguarded according to described, it is determined that needs safeguard the field updated, and the needs maintenance renewal is got
Field field identification；
The field configuration information pre-set is got according to the field identification and the dimension table configuration information；Its
In, the field configuration information includes field contents ordering rule, field ordering information, the field restrictive condition of the field.
Further, it is described to need to safeguard the dimension updated to described if the maintenance more new command is increase content instruction
Table is updated operation, including：
Obtain the corresponding batch data content of the increase content instruction；
According to the batch data content, field contents are increased in one or more of dimension table field；
According to the field contents ordering rule, the field contents are ranked up；
According to the field ordering information, each field in dimension table is ranked up；
If the maintenance more new command is change content instruction, need to safeguard that the dimension table updated is updated behaviour to described
Make, including：
Obtain the corresponding batch data content of the change content instruction；
According to the batch data content, field contents are changed in one or more of dimension table field；
If the maintenance more new command is deletes content instruction, need to safeguard that the dimension table updated is updated behaviour to described
Make, including：
Field contents are deleted in one or more of dimension table field.
Further, need to safeguard that the dimension table updated is updated operation to described, in addition to：
Judge whether each field after the increase field contents, change field contents or deletion field contents meets
The field restrictive condition；
If there is field to be unsatisfactory for the field restrictive condition, prompt message is generated；The prompt message is used to point out to be discontented with
The Field Count of the foot field restrictive condition, and point out to be unsatisfactory for the field relevant information of the field restrictive condition；The word
Section relevant information includes the field identification or field name of the field.
The operation principle of the present invention：
Temperature sensor that the present invention is set, humidity sensor, PM2.5 sensors, air mass sensor are monitored in real time
Indoor air quality indexes, when the threshold value more than setting, temperature sensor, humidity sensor, PM2.5 sensors, air
Mass sensor transmits a signal to central processing unit, and central processing unit passes through the contrast with setting threshold value, by alarming after confirmation
Center module is alarmed；Central processing unit transmits this information to the mobile terminal of owner, same Times by WLAN simultaneously
It is alert, owner is reminded, owner, which opens the window, divulges information or carry out other processing；The present invention is additionally provided with fire alarm function, realizes fire
Calamity is alarmed, and information is transmitted to mobile terminal and Fire Department in time, realizes the timely discovery of fire, and alarm, maximum journey
The property loss of the reduction owner of degree.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of room air monitor and alarm system, it is characterised in that the room air monitor and alarm system is provided with：
Temperature sensor, humidity sensor, PM2.5 sensors, air mass sensor and central processing unit wired connection, are used for
Other mass parameters in indoor air themperature, air humidity, PM2.5 and air are monitored in real time；Contribute to room air
The comprehensive monitoring of quality；The air mass sensor is adopted to IAQ parameter signal awareness apparatus in independent
Echo signal x (t) is acquired in the sample cycle, and digital quantization is carried out to signal with A/D modes；Then, after to quantization
Signal x (i) carries out dimensionality reduction；Finally, the signal after dimensionality reduction is reconstructed；Wherein t is sampling instant, and i is the signal after quantifying
Sequence；
Dimensionality reduction is carried out to the signal after quantization, is specifically the difference side that finite impulse response filter is passed through to the signal after quantization
JourneyWherein h (0) ..., h (L-1) are filter coefficient, and design is based on filtering
Compressed sensing signal acquisition framework, construct following Teoplitz calculation matrix：
Then observeWherein b1,…,bLRegard filter coefficient as；Submatrix ΦFT
Singular value be gram matrix G (ΦF, T) and=Φ 'FTΦFTThe arithmetic root of characteristic value, checking G (Φ F, T) all eigenvalue λs
i∈(1-δK,1+δK), i=1 ..., T, then ΦFRIP is met, and by solvingOptimization problem is weighed
Structure original signal；Original signal, that is, BP algorithm are reconstructed by linear programming method；Image or compress speech signal are adopted
Collection, then change ΦFFor following form：
If signal, with openness, pass through and solved on conversion basic matrix ΨMost
Optimization problem, Accurate Reconstruction goes out original signal；Wherein Φ is uncorrelated to Ψ, and Ξ is referred to as CS matrixes；
Humidity sensor digital modulation signals x (t) fractional lower-order ambiguity function is expressed as：
Wherein, τ is delay skew, and f is Doppler frequency shift, 0 ＜ a, b ＜ α/2, x*(t) x (t) conjugation is represented, when x (t) is real
During signal, x (t)＜ p ＞=| x (t) |＜ p ＞sgn(x(t))；When x (t) is time multiplexed signal, [x (t)]＜ p ＞=| x (t) |p-1x*(t)；
The reception signal y (t) of PM2.5 sensors is expressed as：
Y (t)=x (t)+n (t)；
Wherein, x (t) is digital modulation signals, and n (t) is the impulsive noise that obedience standard S α S are distributed, x (t) analytical form table
It is shown as：
Wherein, N is sampling number, anFor the information symbol of transmission, in MASK signals, an=0,1,2 ..., M-1, M are modulation
Exponent number, an=ej2πε/M, ε=0,1,2 ..., M-1, g (t) expression rectangle shaping pulses, TbRepresent symbol period, fcRepresent carrier wave
Frequency, carrier wave initial phaseIt is the equally distributed random number in [0,2 π]；
Alarm center module, with central processing unit wired connection, exceedes certain threshold value for realizing with Fire Department and air quality
When alarm；
Memory, with central processing unit wired connection, each index ginseng of the air quality for storing central processing unit processing
Count and to the processing procedure of fire alarm information；
Self-extinguishing module, with central processing unit wired connection, for occurring during fire alarm, performs the instruction of central processing unit, enters
Row sprinkling fire；
Camera, with central processing unit wired connection, the captured in real-time for realizing off-the-air picture；
Smoke alarm, with central processing unit wired connection, the smokescope for monitoring interior in real time, when more than certain threshold value
When, central processing unit is transmitted a signal to, is alarmed；
WLAN, and central processing unit wired connection, for realizing that the information of central processing unit is wirelessly transferred；It is described wireless
LAN includes：Network data download module, for being downloaded from carrier server by the Network authentication data after public key encryption
And network configuration data；Cipher key store, for storing the private key matched with the public key of the carrier server；Carrier data
Storehouse, for storing Network authentication data and network configuration data；Respectively with the cipher key store, the operator database and described
The network data authentication module that network data download module is connected, for obtain in the cipher key store with corresponding to the public key
Private key, be decrypted by the Network authentication data and network configuration data after the private key pair encryption, and to decryption after
Network authentication data and network configuration data are authenticated, and Network authentication data and network configuration data are stored in by certification after
In shown operator database；The authentication module being connected with the operator database, for using the carrier data
Network authentication data in storehouse completes authentication request；The network selection module being connected with the operator database, for leading to
Cross and the Network authentication data and network configuration data are set；Respectively with the network data download module, the authentication module
The command interpretation module being connected with the network selection module, for explaining the order from central processing unit, and will be explained
Order afterwards is sent to corresponding functional module；The interface communication module being connected with the command interpretation module, for
Mobile terminal is communicated；
Mobile terminal, by WLAN and central processing unit wireless connection, for the air quality monitoring ginseng in receiving chamber
Number；The mobile terminal is provided with mobile phone terminal APP data reception modules, the data sharing side of mobile phone terminal APP data reception modules
Method, including：
Request is shared in acquisition；
Share request according to described, call a streaming media service, and determine first data for being used to share；
Based on the streaming media service, first data are converted into stream medium data and generation one by stream media protocol
Result in the address information of the stream medium data；
The address information is sent to central processing unit；Wherein, the address information is used to make the central processing unit according to institute
State address information and obtain the stream medium data；
It is defeated to the central processing unit after confirmation of the central processing unit is received based on the streaming media service
Go out the stream medium data；
Included according to first data for sharing request determination for sharing：
If from it is described share the fileinfo of any data file stored on the memory is got in request, it is determined that institute
It is the first data for sharing to state any data file；
If in any data file handling procedure, receiving and sharing request, then currently processed any data file is defined as
For the first data shared；
Before the stream medium data is exported to the central processing unit, further comprise：
Control information is sent to the central processing unit, the control information is used to make the central processing unit according to the control
Information determines to perform the stream medium data application program；
When in any data file handling procedure, receive it is described share request, share request according to described and determine for sharing
The first data, and first data are converted into stream medium data and generation one by stream media protocol results in institute
State the address information of stream medium data；, will be described any in the currently processed positional information of the acquisition any data file
It is untreated in data file to be partially converted to stream medium data and generation one results in the stream by stream media protocol
The address information of media data；
Request is shared in the acquisition to be included：
If detecting the operation information that user performs setting operation, request is shared according to operation information generation；
The handling process that any data file is terminated after the confirmation that the center has been handled is received；
Share described in obtaining after request, using the data inputted in real time as the first data, streaming media service is called based on described
The first data inputted in real time are converted into stream medium data.
2. room air monitor and alarm system as claimed in claim 1, it is characterised in that temperature sensor carries out temperature acquisition
Method includes：
Indoor temperature parameter is obtained according to infrared spectral radiant, infrared spectrum emissivity has closely at selected wavelength with temperature
Like identical linear relationship, i.e.,：
εi2=εi1[1+k(T2-T1)]
In formula, εi1It is that wavelength is λi, spectral emissivity when temperature is T1；εi2It is that wavelength is λi, spectrum hair when temperature is T2
Penetrate rate；T1, T2 are respectively two temperature not in the same time；K is coefficient；
Vi1For first temperature T1Under i-th of passage output signal, Vi2For first temperature T2Under i-th of passage it is defeated
Go out signal, T1At a temperature of emissivity εi1∈ (0,1), by randomly selecting one group of εi1, calculated by following formula in parameter εi1Lower reality
Obtained Ti1：
If k ∈ (- η, η), by randomly selecting a k, in second temperature T2Under emissivity εi2Expression formula be：
Calculated by following formula in parameter εi1Under the T that actually obtainsi2：
3. room air monitor and alarm system as claimed in claim 1, it is characterised in that cipher key store is used to store and the fortune
The private key method that matches of public key of battalion's business's server is：
Cipher key store generation random number rkeyid, its corresponding public key rPK is calculated using elliptic curve cryptographyid, rPKid=
rkeyid× G, G are the basic point of elliptic curve, by rPKidExternally sent with user's mark UID, key generation system generation is random
Number rkeyKMC, its corresponding public key rPK is calculated using elliptic curve cryptographyKMC, wherein, rPKKMC=rkeyKMC× G, and remember
γid=rPKid+rPKKMC；
Identity private key key is calculated using user's mark UIDidWith mark public key Rid, it is specially：
The size of generation private key matrix and public key matrix, private key matrix and public key matrix is that m × h, m and h are positive integer；
The hashed value that UID calculates user's mark UID using hashing algorithm is identified using user, the hashed value is divided into m sections, work
For private key matrix and public key matrix column mapping value map [i], i=0,1,2......m-1；
Calculate：
ri,map[i]For an element in private key matrix；
Xi,map[i]For an element in public key matrix；
N is the rank of elliptic curve.
4. room air monitor and alarm system as claimed in claim 1, it is characterised in that the central processing unit data processing
Method includes：
Receive and safeguard more new command；
Subscriber identity information is obtained according to the maintenance more new command and needs to safeguard the dimension table information of the dimension table updated；
The dimension table configuration information pre-set according to the dimension table acquisition of information；Wherein, in the dimension table configuration information
With the source database needed to safeguard where the dimension table updated, the dimension table need synchronous purpose database and
Dimension table operating right information；
According to the subscriber identity information and the dimension table operating right information, judge whether the subscriber identity information is full
The foot dimension table operating right information；
If the subscriber identity information meets the dimension table operating right information, need to safeguard that the dimension table updated enters to described
Row updates operation；
The dimension table being updated after operation is synchronized to the purpose database.
5. room air monitor and alarm system as claimed in claim 4, it is characterised in that the dimension table operating right information
Including：User Identity with dimension table operating right；
It is described to judge whether the subscriber identity information meets the dimension table operating right information, including：
Judge the subscriber identity information whether in the User Identity with dimension table operating right.
6. room air monitor and alarm system as claimed in claim 4, it is characterised in that the maintenance more new command is increase
Content instruction, change content instruction delete content instruction；
Before operation is updated to the dimension table for needing maintenance to update, including：
According to the maintenance more new command, it is determined that needs safeguard the field updated, and the word for needing to safeguard renewal is got
The field identification of section；
The field configuration information pre-set is got according to the field identification and the dimension table configuration information；Wherein,
The field configuration information includes field contents ordering rule, field ordering information, the field restrictive condition of the field.
7. room air monitor and alarm system as claimed in claim 6, it is characterised in that if the maintenance more new command is increasing
Plus content instruction, it is described to need to safeguard that the dimension table updated is updated operation to described, including：
Obtain the corresponding batch data content of the increase content instruction；
According to the batch data content, field contents are increased in one or more of dimension table field；
According to the field contents ordering rule, the field contents are ranked up；
According to the field ordering information, each field in dimension table is ranked up；
If the maintenance more new command is change content instruction, need to safeguard that the dimension table updated is updated operation to described,
Including：
Obtain the corresponding batch data content of the change content instruction；
According to the batch data content, field contents are changed in one or more of dimension table field；
If the maintenance more new command is deletes content instruction, need to safeguard that the dimension table updated is updated operation to described,
Including：
Field contents are deleted in one or more of dimension table field.
8. room air monitor and alarm system as claimed in claim 7, it is characterised in that need to safeguard the dimension updated to described
Degree table is updated operation, in addition to：
Judge whether each field after the increase field contents, change field contents or deletion field contents meets described
Field restrictive condition；
If there is field to be unsatisfactory for the field restrictive condition, prompt message is generated；The prompt message is unsatisfactory for institute for prompting
The Field Count of field restrictive condition is stated, and points out to be unsatisfactory for the field relevant information of the field restrictive condition；The field phase
Closing information includes the field identification or field name of the field.
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