CN110361619A - A kind of non-intrusion type electricity consumption energy efficiency monitoring module - Google Patents
A kind of non-intrusion type electricity consumption energy efficiency monitoring module Download PDFInfo
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- CN110361619A CN110361619A CN201910756277.XA CN201910756277A CN110361619A CN 110361619 A CN110361619 A CN 110361619A CN 201910756277 A CN201910756277 A CN 201910756277A CN 110361619 A CN110361619 A CN 110361619A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/001—Measuring real or reactive component; Measuring apparent energy
- G01R21/002—Measuring real component
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/001—Measuring real or reactive component; Measuring apparent energy
- G01R21/003—Measuring reactive component
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/006—Measuring power factor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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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
Abstract
This application involves a kind of non-intrusion type electricity consumption energy efficiency monitoring modules characterized by comprising initialization unit, for establishing the load characteristic library of each equipment；Preliminary survey unit is which equipment is being run, and estimates the real-time load of the equipment to determine for only accessing an equipment every time in the loop, and according to actual measurement load data；Authentication unit determines state, operation and the operating time of each equipment for accessing all devices simultaneously in the loop, and according to actual measurement load data, and estimates the real-time load of each equipment；Unit is surveyed, in the case where uncertain equipment is constituted, identifying type and its state, the operation and operating time of each equipment, and estimate the real-time load of each equipment in practice scene.
Description
Technical field
This application involves next-generation information network industrial technology field more particularly to a kind of non-intrusion type electricity consumption energy efficiency monitorings
Module.
Background technique
Fig. 1 shows a kind of schematic configuration diagram of electric energy efficiency monitoring system, by main website, substation, communication network and electricity
The part such as power efficiency data acquisition subsystem forms:
A) main website is divided into national level, province, city-level etc.；
B) substation is divided into enterprise-level, garden grade and electric energy service organization etc.；
C) communication network provides data transmission and the superior and the subordinate's information interaction passage for system；
D) electric energy efficiency data acquisition subsystem provides data acquisition service for system.
It is as follows that electric energy efficiency monitors system components major function:
A) main website
National main website includes being summarized to the data of province, city-level main website, being analyzed, to national demand Side Management work
The development condition of work is tracked, managed and is examined, and is provided in demand Side Management relevant information and service etc. to the public
Hold.National main website generally undertakes the electric power demand side service management and information service of national level, mainly includes policy and letter
It ceases publication, demand Side Management target responsibility check, ordered electric management, implement demand response, electric energy service management, efficiency
The functions such as knowledge base management, technical forum.
It saves, acquisition and analysis of the city-level main website realization to power consumer electric energy efficiency data in region within the jurisdiction, Xiang Gongzhong is mentioned
For relevant information and service, related data is provided to national platform.It saves, city-level platform major function includes electricity needs side pipe
Manage target responsibility check, ordered electric management, demand response, the service of user's electric energy, the management of electric energy service business, electricity consumption collection tube
The functions such as reason.
It realizes that power consumer is interacted with grid company, electric energy service and power supply service etc. is provided.If saved, city-level main website has
Main website, junior need to access province, city-level main website.
B) substation
By electric energy efficiency monitor system acquisition electric energy efficiency data, realize to power consumer electricity consumption situation be monitored with
Analysis, and diagnosed by power consumption efficiency of the energy consumption/energy efficiency model to power consumer, it helps power consumer scientific utilization of electricity, close
Electricity consumption is managed, electric cost is reduced, improves power consumption efficiency, and data are uploaded to main website on demand.The related monitoring that substation is carried out
The standard requirements such as GB/T 2589, GB/T 6422, GB/T 15316, GB/T 15587 should be met with analysis.
C) communication network
Comprising between national and provincial main website, between main website and substation, substation and electric energy efficiency acquisition subsystem, main website
With the channel etc. inside electric energy efficiency data acquisition subsystem, electric energy efficiency data acquisition subsystem between each section.
Between general national and provincial main website, main website and substation, electric energy efficiency data acquisition subsystem and main station system
Communication can also wherein may be used between electric energy efficiency data acquisition subsystem and main website using the wire channel such as Ethernet or optical fiber
Using wireless channels such as GPRS.
Inside general substation and electric energy efficiency data acquisition subsystem, electric energy efficiency data acquisition subsystem between each section
Close proximity channel can be using high reliability, the wired or wireless communication mode of low cost.
D) electric energy efficiency data acquisition subsystem
Electric energy efficiency data acquisition subsystem is responsible for acquiring the electric energy efficiency data of power consumer.Wherein electric energy efficiency information
It concentrates and interactive terminal carries out data acquisition/collect to electric energy efficiency monitoring terminal, the equipment such as other meters, handles, stores, together
When complete and the data exchange between main website or substation, i.e., data upload assigned with task.
Electric energy efficiency monitors terminal and provides the on-line monitoring and data acquisition function of power consumer electricity consumption data.
The sensor for having digital communication functions is equipped with for each electric appliance in total load inside, then through local (or indoor) local
Power information is collected and sent out to net, is referred to as intrusive electricity consumption energy efficiency monitoring.
One sensor is only installed at user entry, is supervised by acquiring and analyzing user power utilization total current and end voltage
Survey the electricity consumption efficiency of indoor each or every electric appliances, referred to as non-intrusion type electricity consumption energy efficiency monitoring.
Since non-intrusion type electricity consumption energy efficiency monitoring module has the characteristics that less investment, easy to install and use, so in electric power
Using more more and more universal in energy efficiency monitoring terminal.
Summary of the invention
The application is intended to provide a kind of non-intrusion type electricity consumption energy efficiency monitoring module and monitors terminal to be applied to electric energy efficiency.
According to the embodiment of the present application, a kind of non-intrusion type electricity consumption energy efficiency monitoring module is provided characterized by comprising
Initialization unit, for establishing the load characteristic library of each equipment；
Preliminary survey unit, for only accessing an equipment every time in the loop, and being determined according to actual measurement load data is which
A equipment is being run, and estimates the real-time load of the equipment；
Authentication unit determines each equipment for accessing all devices simultaneously in the loop, and according to actual measurement load data
State, operation and operating time, and estimate the real-time load of each equipment；
Unit is surveyed, in the case where uncertain equipment is constituted, identifying each equipment in practice scene
Type and its state, operation and operating time, and estimate the real-time load of each equipment.
Preferably, the initialization unit includes:
Sampling unit, for the power of periodic samples equipment under test, electric current, voltage, cycle and harmonic wave；
Analytical unit, for analyzing invariant feature and Interim to sampled data；
It is put in storage unit, load characteristic library is added for result will to be analyzed as the load characteristic of equipment under test.
Preferably, the analytical unit analyzes invariant feature to sampled data and Interim includes:
Stage by equipment in starting, closing and switching working mode or gear is determined as transition stage；
Stage equipment entered after starting, closing and operating mode or gear is determined as the stabilization sub stage.
Preferably, the analytical unit analyzes invariant feature and Interim to sampled data further include:
The electricity index of the transition stage is obtained as Interim, obtains the electricity index conduct of the stabilization sub stage
Invariant feature.
Preferably, the electricity index for obtaining the stabilization sub stage includes: as invariant feature
The active-power P in stabilization sub stage t is obtained with period of time Tj, reactive power Qj, power factor Fj, voltage Uj, electricity
Flow Ij, wherein j takes 1-N；
With Pj、Qj、Fj、Uj、IjConstruct invariant feature.
Preferably, building invariant feature is { Αa、Βa、Γa、Δa、Εa、Za、Αb、Βb、Γb、Δb、Εb、Zb,
In,
Wherein, max () is to be maximized function, and min () is to be minimized function.
Preferably, the electricity index for obtaining the transition stage includes: as Interim
The active-power P of transition stage s is obtained with time cycle Si, reactive power Qi, power factor Fi, voltage Ui, electric current
Ii, wherein i takes 1-N；
With Pi、Qi、Fi、Ui、IiConstruct Interim.
Preferably, building Interim is { αa、βa、γa、δa、εa、ζa、αb、βb、γb、δb、εb、ζb, wherein
Wherein, P*i=Pi-Pi-1, Q*i=Qi-Qi-1, F*i=Fi-Fi-1, U*i=Ui-Ui-1, I*i=Ii-Ii-1。
Preferably, each harmonic of initialization unit analytical equipment, and load characteristic is obtained respectively to each harmonic.
Preferably, actual measurement unit identifies that the type and its state of each equipment, operation and operating time include: to obtain currently
The load characteristic of each equipment, and be compared with the load characteristic in load characteristic library.
The technical solution that embodiments herein provides can include the following benefits: the non-intrusion type of above-described embodiment
Electricity consumption energy efficiency monitoring module realizes the sensor network that non-intrusion type electricity consumption energy efficiency monitoring replaces intrusive electricity consumption energy efficiency monitoring,
Terminal is monitored to be applied to electric energy efficiency, has the characteristics that less investment, easy to install and use.
The additional aspect of the application and advantage will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.It should be understood that above general description and following detailed description are only
Be it is exemplary and explanatory, the application can not be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 shows a kind of schematic configuration diagram of electric energy efficiency monitoring system.
Fig. 2 is a kind of schematic diagram of non-intrusion type electricity consumption energy efficiency monitoring module shown according to an exemplary embodiment；
Fig. 3 is the waveform diagram of the power load of various equipment shown according to an exemplary embodiment.
Fig. 4 is a kind of schematic diagram of non-intrusion type electricity consumption energy efficiency monitoring module shown according to an exemplary embodiment；
Fig. 5 is the picture obtained after matrix shown according to an exemplary embodiment encrypts；
Fig. 6 is the picture obtained after the elliptic curve encryption algorithm for encryption shown according to an exemplary embodiment to Fig. 5.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Following disclosure provides many different embodiments or example is used to realize the different structure of the application.For letter
Change disclosure herein, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
Purpose does not lie in limitation the application.In addition, the application can in different examples repeat reference numerals and/or letter.It is this heavy
It is that for purposes of simplicity and clarity, itself is more than the relationship discussed between various embodiments and/or setting again.This
Outside, this application provides various specific techniques and material example, but those of ordinary skill in the art may be aware that
The use of the applicability and/or other materials of other techniques.In addition, fisrt feature described below is in Second Eigenvalue "upper"
Structure may include embodiment that the first and second features are formed as directly contacting, also may include that other feature is formed in
Embodiment between first and second features, such first and second feature may not be direct contact.
In the description of the present application, it should be noted that unless otherwise specified and limited, term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the connection being also possible to inside two elements can
, can also indirectly connected through an intermediary, for the ordinary skill in the art to be to be connected directly, it can basis
Concrete condition understands the concrete meaning of above-mentioned term.
Fig. 2 is a kind of schematic diagram of non-intrusion type electricity consumption energy efficiency monitoring module shown according to an exemplary embodiment.Ginseng
According to Fig. 2, a kind of non-intrusion type electricity consumption energy efficiency monitoring module characterized by comprising
Initialization unit 10, for establishing the load characteristic library of each equipment；
Preliminary survey unit 20 is to determine for only accessing an equipment every time in the loop, and according to actual measurement load data
Which equipment is being run, and estimates the real-time load of the equipment；
Authentication unit 30 is respectively set for accessing all devices simultaneously in the loop, and according to actual measurement load data to determine
Standby state, operation and the operating time, and estimate the real-time load of each equipment；
Unit 40 is surveyed, in the case where uncertain equipment is constituted, identifying each equipment in practice scene
Type and its state, operation and operating time, and estimate the real-time load of each equipment.
The non-intrusion type electricity consumption energy efficiency monitoring module of above-described embodiment realizes non-intrusion type electricity consumption energy efficiency monitoring and replaces invading
Enter the sensor network of formula electricity consumption energy efficiency monitoring, so that being applied to electric energy efficiency monitors terminal, there is less investment, the side of installing and using
Just the features such as.
Preferably, the initialization unit includes:
Sampling unit, for the power of periodic samples equipment under test, electric current, voltage, cycle and harmonic wave；
Analytical unit, for analyzing invariant feature and Interim to sampled data；
It is put in storage unit, load characteristic library is added for result will to be analyzed as the load characteristic of equipment under test.
This preferred embodiment uses load characteristic to identify various electrical equipments, and is managed respectively using load characteristic library
The load characteristic of kind electrical equipment, so that the working efficiency of non-intrusion type electricity consumption energy efficiency monitoring module greatly improved.
Preferably, the analytical unit analyzes invariant feature to sampled data and Interim includes:
Stage by equipment in starting, closing and switching working mode or gear is determined as transition stage；
Stage equipment entered after starting, closing and operating mode or gear is determined as the stabilization sub stage.
Fig. 3 is the waveform diagram of the power load of various equipment shown according to an exemplary embodiment, as shown, refrigerator
There is 1 biggish power pulse during startup, and insulating pot is resistance type load, the essentially step figure when opening；
The characteristics of television set is that harmonic wave is more；And the characteristics of electromagnetic oven is that waveform slowly climbs.This preferred embodiment draws load waveform
It is divided into transition stage and stabilization sub stage, various electrical equipments can be distinguished well.
Preferably, the analytical unit analyzes invariant feature and Interim to sampled data further include:
The electricity index of the transition stage is obtained as Interim, obtains the electricity index conduct of the stabilization sub stage
Invariant feature.
Preferably, the electricity index for obtaining the stabilization sub stage includes: as invariant feature
The active-power P in stabilization sub stage t is obtained with period of time Tj, reactive power Qj, power factor Fj, voltage Uj, electricity
Flow Ij, wherein j takes 1-N；
With Pj、Qj、Fj、Uj、IjConstruct invariant feature.
Preferably, building invariant feature is { Αa、Βa、Γa、Δa、Εa、Za、Αb、Βb、Γb、Δb、Εb、Zb,
In,
Wherein, max () is to be maximized function, and min () is to be minimized function.
Preferably, the electricity index for obtaining the transition stage includes: as Interim
The active-power P of transition stage s is obtained with time cycle Si, reactive power Qi, power factor Fi, voltage Ui, electric current
Ii, wherein i takes 1-N；
With Pi、Qi、Fi、Ui、IiConstruct Interim.
Preferably, building Interim is { αa、βa、γa、δa、εa、ζa、αb、βb、γb、δb、εb、ζb, wherein
Wherein, P*i=Pi-Pi-1, Q*i=Qi-Qi-1, F*i=Fi-Fi-1, U*i=Ui-Ui-1, I*i=Ii-Ii-1。
The above embodiment of the present invention establishes a kind of efficient algorithm, is particularly suitable for realizing meter using programmable circuit
It calculates.
In addition, establishing different algorithms respectively for stable state and transition state in the algorithm of above-described embodiment to create
Active power, reactive power, power factor, the characteristic value of voltage and current are built, stable state and transition state are realized
Special optimization, by experimental results demonstrate, can identify various electrical equipments well, it is each for what is had already appeared on the market
Kind household appliance, error recognition rate 0.
In addition, it is comprehensive U and I respectively to be identified that above preferred embodiment, which also sets two features of Z and ζ, and
Algorithm is identical, and relevance is produced between stable state and transition state, this for further by data upload server it
Afterwards, be conducive to the analysis that server carries out various malfunctions.
Preferably, each harmonic of initialization unit analytical equipment, and load characteristic is obtained respectively to each harmonic.
Preferably, actual measurement unit identifies that the type and its state of each equipment, operation and operating time include: to obtain currently
The load characteristic of each equipment, and be compared with the load characteristic in load characteristic library.
Above preferred embodiment gives the specific identification application scheme after establishing above-mentioned load characteristic library.
Fig. 4 is a kind of schematic diagram of non-intrusion type electricity consumption energy efficiency monitoring module shown according to an exemplary embodiment.Such as
Shown in Fig. 4, a kind of non-intrusion type electricity consumption energy efficiency monitoring module characterized by comprising
Creating unit 100, when for installing non-intrusion type electricity consumption energy efficiency monitoring module, identification surrounding enviroment obtain environment
Data, and environmental data is associated with to the load characteristic of the equipment in the load characteristic library of server；
Acquiring unit 200, for obtaining the current loads feature and environmental data of equipment in practice scene；
Transmission unit 300, the current loads feature and environmental data that will acquire are transferred to server, pass through for server
Current loads feature determines corresponding equipment in load characteristic library, and the environmental data that will acquire and the equipment are in load characteristic
Associated environmental data is compared in library.
Due to non-intrusion type electricity consumption energy efficiency monitoring module only one, and be only installed only at the entrance that user registers one's residence,
So individual malicious persons are likely to occur by moving non-intrusion type electricity consumption energy efficiency monitoring module out otherwise in practice,
Thus to pay tariff less.Technical solution provided in this embodiment realizes security protection, it is ensured that monitoring modular is deployed in safety can
In the physical region of control and it is identified.
Preferably, creating unit identifies that surrounding enviroment obtain environmental data and include:
The infrared image on non-intrusion type electricity consumption energy efficiency monitoring module periphery is obtained as the environment using infrared camera
Data.
In general, non-intrusion type electricity consumption energy efficiency monitoring module may be mounted in closed distribution box, therefore not had
Visible light.This preferred embodiment obtains infrared image using infrared camera, so as to be applied in closed distribution box.
Preferably, creating unit identification surrounding enviroment obtain environmental data further include:
Magnetic identification is snugly installed on non-intrusion type electricity consumption energy efficiency monitoring module periphery, the infrared image is combined upper
It states magnetic identification and is combined as the environmental data.
Distribution box is possible to will be installed outdoors, the very big variation of bearing temperature, therefore infrared image is possible to seriously lose
Really influence the identification to surrounding enviroment.This preferred embodiment snugly installs magnetic identification, by magnetic identification and infrared image
In conjunction with composing environment data are carried out, so as to be applied in outdoor distribution box, it is not influenced by temperature substantially.
It preferably, can be with reload temperature table, if temperature inside the box have exceeded preset range, only with magnetic identification
Data are as environmental data.
Preferably, current loads feature and the environmental data encryption that transmission unit will acquire, and be transferred to by Internet of Things
Server.
When individual user attempts non-intrusion type electricity consumption energy efficiency monitoring module being retrofitted to other environment, it is possible to maliciously
Fictional environment.And this preferred embodiment use encryption technology, can solve individual user maliciously fictional environment the problem of.
Preferably, which is characterized in that transmission unit includes:
Division unit, the environmental data M for will acquire are divided into n isometric section, by the data in every section by preset
Rule upsets the matrix X for constituting M × Ni, i 1-n；
Jigsaw puzzle units are used for n XiThe matrix Y of U × V is combined into after upsetting by default rulei；
The data of feature unit, the current loads feature for will acquire upset into the matrix Z of U × Vi；
Encryption unit, by preset Encryption Algorithm, by ID, Y of non-intrusion type electricity consumption energy efficiency monitoring moduleiAnd ZiIt mixes
To ciphertext E.
The present embodiment integrated use image encryption technology, and the load characteristic of equipment fabricated into image encrypting, from
And substantially strengthen safety.Specific load characteristic can use the invariant feature { Α of above preferred embodimenta、Βa、Γa、
Δa、Εa、Za、Αb、Βb、Γb、Δb、Εb、ZbAnd Interim { αa、βa、γa、δa、εa、ζa、αb、βb、γb、δb、εb、ζb}。
Preferably, the data in every section are upset the matrix X for constituting M × N by division unit by default ruleiInclude:
I-th segment data is divided into N sections；
Every segment data is supplied into M length according to default rule insertion 0 or 1；
Data in section are resequenced according to default rule；
By this N segment data by composition matrix X after default rule rearrangementi。
Preferably, jigsaw puzzle units are by n XiThe matrix Y of U × V is combined into after upsetting by default ruleiInclude:
It sorts according to preset by n XiIt is combined into the matrix Y of U × Vi。
Preferably, the data of current loads feature are upset into the matrix Z of U × V by feature unitiInclude:
By the data conversion of current loads feature at sequence S；
It is divided into n isometric section；
I-th segment data is divided into N sections；
Every segment data is supplied into M length according to default rule insertion 0 or 1；
Data in section are resequenced according to default rule；
By this N segment data by composition matrix T after default rule rearrangementi。
It sorts according to preset by n TiIt is combined into the matrix Z of U × Vi。
Above preferred embodiment uses matrix encryption technology, and calculation amount is very light, is suitable for Internet of Things transmission.Fig. 5 is root
According to the picture obtained after the matrix encryption shown in an exemplary embodiment, it can be seen that the above method has sufficiently upset equipment
Environmental data and current loads feature, invader be difficult therefrom to identify effective information.
Preferably, the encryption unit is by ID, Y of non-intrusion type electricity consumption energy efficiency monitoring moduleiAnd ZiIt is mixed to get ciphertext E
Include:
Generate Your Majesty's key MPK and master key MSK；
Utilize MSK, ID, YiAnd ZiIt executes elliptic curve encryption algorithm and generates E.
Preferably, generating Your Majesty's key MPK and master key MSK includes:
Randomly choose one group of antithesis orthogonal basis (D, D*), wherein Choose α1,α2←Rzp,
Output
Utilize MSK, ID, YiAnd ZiExecuting elliptic curve encryption algorithm generation E includes:
Choose two random number s1,s2∈zp；
It generates
Wherein,For XOR operation.
Fig. 6 is the picture obtained after the elliptic curve encryption algorithm for encryption shown according to an exemplary embodiment to Fig. 5, can be with
Find out, invader can not revert to the picture of Fig. 5 from the picture substantially, it more difficult to therefrom restore non-intrusion type electricity consumption efficiency prison
Survey the module real information to be transmitted.The cryptographic security of the embodiment is very high, and volume of transmitted data is little, according to live real
It tramples, is suitable for various old towns or reconstruction of old circuit, so that non-intrusion type electricity consumption energy efficiency monitoring module is applicable to more
More places.
Preferably, encrypted transmission is also used for the broadcast of MPK, comprising:
The ID of g non-intrusion type electricity consumption energy efficiency monitoring module is obtained, wherein i is 1-g；
Encryption is setWhereinFor XOR operation.
Wherein, it is arranged
Wherein, IDminFor IDiIn minimum value, IDmaxFor IDiIn maximum value.
This preferred embodiment has also carried out encrypted transmission to MPK, so that safety further increases.
It is that above-described embodiment gives that this non-intrusion type electricity consumption energy efficiency monitoring module carries out data transmission on Internet of Things plus
Close process, is further illustrated below decrypting process.
Preferably, server includes deciphering module, for received in Internet of Things from non-intrusion type electricity consumption efficiency supervise
Survey the ciphertext decryption of module.
Preferably, the deciphering module utilizes the non-intrusion type electricity consumption energy efficiency monitoring module for sending the ciphertext E prestored
ID and Your Majesty key MPK, using elliptic curve encryption algorithm generate key SKGID。
Preferably, the deciphering module generates key SK using elliptic curve encryption algorithmGIDInclude:
Wherein,
Randomly choose one group of antithesis orthogonal basis (D, D*), wherein Choose α1,α2←Rzp,
Obtain Your Majesty's key
Wherein, it if MPK is encryption, can execute
Inverse operation, the MPK decrypted.
Preferably, the deciphering module uses key SKGIDCiphertext E is decrypted to obtain split figure using elliptic curve encryption algorithm
As Yi, comprising:
{ C is obtained from E0,C1}；
It executes
Inverse operation, obtainAnd ID；
If obtained ID is consistent with the ID prestored, it is determined that the E of acquisition is true；
With the Z corresponding to ID prestorediIt is rightInverse operation is done, Y is obtainedi。
Preferably, the deciphering module is using default rule to YiInverse operation obtains the matrix X of n M × Ni。
Preferably, the deciphering module is using default rule rearrangement XiEach row.
Preferably, the deciphering module uses default rule from the X after sequenceiThe 0 or 1 of middle removal redundancy, then will
Each row pieces together serial data.
Preferably, the deciphering module is by n XiN obtained serial data pieces together plaintext M.
The encryption method that above-mentioned each embodiment gives preceding embodiment non-intrusion type electricity consumption energy efficiency monitoring module is opposite
The decryption method answered.
Preferably, the Internet of Things uses PLC (Power Line Carrier, power line carrier communication), FSK (micro- function
Rate wireless communication), RS485, M-BUS (Meter-Bus), zigbee (purple honeybee), at least one of LoRa and NB-IoT.
This preferred embodiment supports the Internet of Things of mainstream currently on the market, so that the technical program obtains as far as possible
It promotes and applies.
This preferred embodiment supports the Internet of Things of mainstream currently on the market, so that the technical program obtains as far as possible
It promotes and applies.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the application
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (10)
1. a kind of non-intrusion type electricity consumption energy efficiency monitoring module characterized by comprising
Initialization unit, for establishing the load characteristic library of each equipment；
Preliminary survey unit is which sets to determine for only accessing an equipment every time in the loop, and according to actual measurement load data
It is standby to run, and estimate the real-time load of the equipment；
Authentication unit determines the shape of each equipment for accessing all devices simultaneously in the loop, and according to load data is surveyed
State, operation and operating time, and estimate the real-time load of each equipment；
Unit is surveyed, in the case where uncertain equipment is constituted, identifying the type of each equipment in practice scene
And its state, operation and operating time, and estimate the real-time load of each equipment.
2. non-intrusion type electricity consumption energy efficiency monitoring module according to claim 1, which is characterized in that the initialization unit packet
It includes:
Sampling unit, for the power of periodic samples equipment under test, electric current, voltage, cycle and harmonic wave；
Analytical unit, for analyzing invariant feature and Interim to sampled data；
It is put in storage unit, load characteristic library is added for result will to be analyzed as the load characteristic of equipment under test.
3. non-intrusion type electricity consumption energy efficiency monitoring module according to claim 2, which is characterized in that the analytical unit is to adopting
Sample data analysis invariant feature and Interim include:
Stage by equipment in starting, closing and switching working mode or gear is determined as transition stage；
Stage equipment entered after starting, closing and operating mode or gear is determined as the stabilization sub stage.
4. non-intrusion type electricity consumption energy efficiency monitoring module according to claim 3, which is characterized in that the analytical unit is to adopting
Sample data analyze invariant feature and Interim further include:
The electricity index of the transition stage is obtained as Interim, obtains the electricity index of the stabilization sub stage as stabilization
Feature.
5. non-intrusion type electricity consumption energy efficiency monitoring module according to claim 4, which is characterized in that obtain the stabilization sub stage
Electricity index include: as invariant feature
The active-power P in stabilization sub stage t is obtained with period of time Tj, reactive power Qj, power factor Fj, voltage Uj, electric current Ij,
Wherein j takes 1-N；
With Pj、Qj、Fj、Uj、IjConstruct invariant feature.
6. non-intrusion type electricity consumption energy efficiency monitoring module according to claim 5, which is characterized in that constructing invariant feature is
{Αa、Βa、Γa、Δa、Εa、Za、Αb、Βb、Γb、Δb、Εb、Zb, wherein
Wherein, max () is to be maximized function, and min () is to be minimized function.
7. non-intrusion type electricity consumption energy efficiency monitoring module according to claim 6, which is characterized in that obtain the transition stage
Electricity index include: as Interim
The active-power P of transition stage s is obtained with time cycle Si, reactive power Qi, power factor Fi, voltage Ui, electric current Ii,
Middle i takes 1-N；
With Pi、Qi、Fi、Ui、IiConstruct Interim.
8. non-intrusion type electricity consumption energy efficiency monitoring module according to claim 7, which is characterized in that constructing Interim is
{αa、βa、γa、δa、εa、ζa、αb、βb、γb、δb、εb、ζb, wherein
Wherein, P*i=Pi-Pi-1, Q*i=Qi-Qi-1, F*i=Fi-Fi-1, U*i=Ui-Ui-1, I*i=Ii-Ii-1。
9. non-intrusion type electricity consumption energy efficiency monitoring module according to claim 8, which is characterized in that initialization unit analysis is set
Standby each harmonic, and load characteristic is obtained respectively to each harmonic.
10. non-intrusion type electricity consumption energy efficiency monitoring module according to claim 9, which is characterized in that actual measurement unit identifies
The type and its state of each equipment, operation and operating time include: the load characteristic for obtaining current each equipment, and and load characteristic
Load characteristic in library is compared.
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