CN106600890A - Internet-of-Things-based intelligent household security and protection system - Google Patents
Internet-of-Things-based intelligent household security and protection system Download PDFInfo
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- CN106600890A CN106600890A CN201710114694.5A CN201710114694A CN106600890A CN 106600890 A CN106600890 A CN 106600890A CN 201710114694 A CN201710114694 A CN 201710114694A CN 106600890 A CN106600890 A CN 106600890A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
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Abstract
The invention provides an Internet-of-Things-based intelligent household security and protection system comprising a sensor, a main controller, a household positioning subsystem and a mobile phone, wherein the sensor is used for collecting indoor information and sending the collected information to the main controller, the collected indoor information is processed via the main controller, an early warning instruction is sent to the mobile phone when data exception occurs, and the household positioning subsystem is used for household positioning and sending positions to the mobile phone. The beneficial effects of the Internet-of-Things-based intelligent household security and protection system are that intelligent household remote alarms can be given, a human-friendly property is realized, rapid household control can be achieved when an exception occurs at home, and the Internet-of-Things-based intelligent household security and protection system is high in reliability and stability.
Description
Technical field
The present invention relates to Smart Home technical field, and in particular to the intelligent household security system based on Internet of Things.
Background technology
As economic develops rapidly, the living standard of people has obtained large increase.But at the same time, due to social man
The impact of the factors such as member's increase of mobility, the increase of income gap, makes structure of society and social security problem become increasingly tight
Weight, steals and the social crime problem of house robbery even harm people's life security etc. is more and more.In addition, people are pursuing
While easily family life, easy-to-use household electrical appliances are equipped, also the security of the lives and property for people brings threat, for example
People also happen occasionally enjoying cook carbon monoxide poisoning event while convenience brought of coal gas.Additionally, in case of emergency, window
Family is last passway for escaping, and install in traditional household antitheft door, the facility such as fence window, to resident family when the condition of a disaster occurs
Escape increased more difficulties.In sum, the own Jing of traditional household can not meet people's needs, the highly desirable family of people
Living environment has more reliable more practical safety precaution facility, to ensure the comfortable, peaceful and happy of family life.And it is current
Intelligent household security system generally single sensor output signal is processed using threshold decision and trend-monitoring algorithm,
If the system that same method is applied to polynary parameter, it may appear that wrong report or failing to report phenomenon.
The content of the invention
For the problems referred to above, the present invention is intended to provide the intelligent household security system based on Internet of Things.
The purpose of the present invention employs the following technical solutions to realize：
There is provided the intelligent household security system based on Internet of Things, including sensor, master controller, household positioning subsystem
And mobile phone, the sensor is used to gather indoor information, and the information for collecting is sent to master controller, and master controller is to adopting
The indoor information for collecting is processed, and during data exception, sends alarm command to mobile phone, and household positioning subsystem is carried out to household
Positioning, and position is sent to into mobile phone.
Beneficial effects of the present invention are：Smart home remote alarmss are realized, while more hommization, once family occurs
It is abnormal, quickly can be manipulated, it is highly reliable and stability is high.
Description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can be being obtained according to the following drawings
Other accompanying drawings.
Fig. 1 is the structure connection diagram of the present invention；
Reference：
Sensor 1, master controller 2, household positioning subsystem 3, mobile phone 4.
Specific embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, the intelligent household security system based on Internet of Things of the present embodiment, including sensor 1, master controller 2,
Household positioning subsystem 3 and mobile phone 4, the sensor 1 are used to gather indoor information, and the information for collecting is sent to master control
Device processed 2, the indoor information that master controller 2 pairs is collected are processed, and during data exception, send alarm command to mobile phone 4, household
Positioning subsystem 3 is positioned to household, and position is sent to mobile phone 4.
The present embodiment realizes smart home remote alarmss, while more hommization, once there is exception in family, and can be fast
Speed is manipulated, highly reliable and stability is high.
Preferably, sensor 1 includes temperature sensor, Smoke Sensor, ambient light sensor, glass breaking sensing
Device, infrared sensor, shaking sensor.
This preferred embodiment realizes household overall monitor.
Preferably, the mobile phone 4 can send teleinstruction and smart home is controlled to master controller 2.
This preferred embodiment realizes smart home remotely control.
Preferably, the household positioning subsystem 3 realizes that by labelling in household household is positioned, fixed including household
Position module and household evaluation module, the household locating module obtain household positioning for positioning to unknown position label
As a result；The household evaluation module is estimated to the accuracy of the household positioning result for setting up evaluation index.
The household locating module when positioning to unknown position label, using known location label and reader pair
Unknown position label completes positioning, and the household locating module includes the first parameter computation module, the second parameter computation module
With the 3rd parameter computation module；
The first parameter computation module is used to calculate known location label and unknown position label in each reader
The signal intensity of reception；The second parameter computation module is used to asking for the signal receiving strength of unknown position label and known
The distance between signal receiving strength of location tags；The 3rd parameter computation module is used to ask for unknown position label
Position.
The first parameter computation module is connect on each reader in calculating known location label and unknown position label
During the signal intensity of receipts,
Strength Changes of the collection of letters field intensity of transmitting interrogation signals during dissemination channel are reflected using path loss model,
The computing formula of the signal receiving strength S of reader is：
In formula, PfFor the signal transmission power of label, d is reader and tag distances, PL (d0) it is that reader is being referred to
Point d0Place receives the signal receiving strength attenuation of signal, PL (d0') it is reader in reference point d0' place receives the signal of signal
Receiving intensity attenuation, σ represent the standard deviation of environment noise, and unit is dB；
Before actual location, signal intensity modifying factor is asked for using following steps：
Step 1：Several test position labels are chosen, the letter that the test position label is received on each reader is recorded
Number intensity, sets up the discrete relationship data base with signal intensity on each test position label,
The letter of the test position label that the computing formula of the signal receiving strength S by the reader is obtained by step 2
Based on signal intensity in number intensity and discrete relationship data base, signal intensity modifying factor is calculated, if discrete relationship
Each test position label C S in data baseρThe standard deviation of the signal intensity on each reader is σ (CSρ), ρ=1 ..., m,
Quantity of the m for test position label, the test position label obtained by the computing formula of the signal receiving strength S of the reader
CSρThe standard deviation of the signal intensity on each reader is σ*(CSρ), then the signal intensity modifying factor is：
When actual location, using the computing formula of the signal receiving strength of the reader after optimization, formula is specially：
S '=AY × S,
According to the computing formula of the signal receiving strength of the reader after optimization, certain unknown position label WZ for calculatingi
The signal intensity vector of the reception on each readerFor：
In formula,Represent calculated WZiIn reader RlOn signal connect
Intensity is received, wherein, l=1,2 ..., L；
According to the computing formula of the signal receiving strength of the reader after optimization, certain known location label YZ for calculatingj
The signal intensity vector of the reception on each readerFor：
In formula,Represent calculated YZjIn reader RlOn signal receive
Intensity, wherein, l=1,2 ..., L.
This preferred embodiment the first parameter computation module is taken into full account in the calculating process for carrying out signal receiving strength
The transmission environment complexity of electromagnetic wave in the environment, and calculated with reference to 2 reference points, can be more accurately also primary
Penetrate signal；When the signal intensity for carrying out unknown position label and known location label is calculated, signal intensity modifying factor is introduced,
So that the calculating of signal intensity is more accurate.
Preferably, between the signal receiving strength of the signal receiving strength and known location label of the unknown position label
Distance calculated according to the following formula：
Wherein, j=1,2 ..., M
In formula,Represent unknown position label WZiSignal receiving strength and known location label YZjSignal connect
The distance between intensity is received, M represents known location label YZjQuantity.
The position for asking for unknown position label, is specifically carried out using following steps：
Step 1：By between the signal receiving strength of the signal receiving strength of unknown position label and known location label
Distance is expressed as vector form：Step 2：CalculateMiddle k minimum element, as
With unknown position label WZiThe label of arest neighbors, and each distance is expressed as into vector form：Step 3：Known location label difference weight is given according to proximity, so as to
Estimate WZiCoordinateIn formula,Represent
Known location label YZjCoordinate；
This preferred embodiment the second parameter computation module is taken into full account during signal calculated receiving intensity distance
Impact of the distance of reader and label to signal receiving strength credibility, the tag distances reliability of acquisition are higher；Asking for
During unknown position label, known location label and unknown position tag distances are taken into full account, the position asked for more is defined
Really.
Preferably, the evaluation index of setting up is estimated to the accuracy of the household positioning result, specially：Periodically adopt
Positioning precision is estimated with positioning estimation error WC,
In formula, it is WZiEstimated position, E are expected value.
The household evaluation module is additionally provided with positioning failure alarm mechanism, and the positioning failure alarm mechanism is：The first step：
The allowed error threshold of default positioning,
Second step：Record a period of time regular calculated positioning estimation error WC, cumulative record are more than the error threshold
Quantity β of positioning estimation error WC of value,
3rd step：If certain once calculated positioning estimation error be WCλ, η is to meetPositioning estimation error quantity, wherein,WCmax、WCminWhen being respectively this section
Between the meansigma methodss of positioning estimation error WC, maximum and minima in periodic logging,
4th step：Judge that positioning failure occurs in household positioning using following judge formula, and carry out corresponding alarm：
In formula, it is the quantity of positioning estimation error WC of a period of time periodic logging, wherein, λ=
1,…,ξ。
This preferred embodiment is estimated to household positioning precision using household evaluation module, it is ensured that the length of household positioning
Phase reliability, and contribute to being improved household locating effect, obtain the relatively reliable positioning of household；Positioning failure is set
Alarm mechanism so that the accuracy that the positioning can be positioned according to the history estimation difference Notes of Key Data, is household positioning precision
Improve the foundation that more science is provided.
Using intelligent household security system of the present invention based on Internet of Things, be respectively 20 when reader quantity, 21,22,23,
When 24, the security protection situation of 100 families is recorded, using household position acquisition accuracy and time as security protection situation
Consider standard, generation is had the beneficial effect that shown in table：
| Reader quantity | Household position acquisition accuracy is improved | The household position acquisition time shortens |
| 20 | 30% | 25% |
| 21 | 32% | 24% |
| 22 | 33% | 23% |
| 23 | 35% | 22% |
| 24 | 36% | 20% |
Finally it should be noted that above example is only illustrating technical scheme, rather than to present invention guarantor
The restriction of shield scope, although having made to explain to the present invention with reference to preferred embodiment, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (4)
1. the intelligent household security system based on Internet of Things, is characterized in that：Including sensor, master controller, household positioning subsystem
System and mobile phone, the sensor are used to gather indoor information, and the information for collecting is sent to master controller, master controller pair
The indoor information for collecting is processed, and during data exception, sends alarm command to mobile phone, and household positioning subsystem enters to household
Row positioning, and position is sent to into mobile phone.
2. the intelligent household security system based on Internet of Things according to claim 1, is characterized in that：Sensor includes temperature
Sensor, Smoke Sensor, ambient light sensor, glass break sensorses, infrared sensor, shaking sensor.
3. the intelligent household security system based on Internet of Things according to claim 2, is characterized in that：The mobile phone can be sent out
Teleinstruction is sent to be controlled to smart home to master controller.
4. the intelligent household security system based on Internet of Things according to claim 3, is characterized in that：The household locator
System realizes that by labelling in household household is positioned, including household locating module and household evaluation module, the household
Locating module obtains household positioning result for positioning to unknown position label；The household evaluation module is used to set up
Evaluation index is estimated to the accuracy of the household positioning result.
The household locating module when positioning to unknown position label, using known location label and reader to unknown
Location tags complete positioning, and the household locating module includes the first parameter computation module, the first parameter computation module
For calculating the signal intensity that known location label and unknown position label are received on each reader；
The first parameter computation module is received on each reader in calculating known location label and unknown position label
During signal intensity,
Strength Changes of the collection of letters field intensity of transmitting interrogation signals during dissemination channel are reflected using path loss model, is read
The computing formula of the signal receiving strength S of device is：
In formula, PfFor the signal transmission power of label, d is reader and tag distances, PL (d0) it is reader in reference point d0
Place receives the signal receiving strength attenuation of signal, PL (d0') it is reader in reference point d0' place receives the signal of signal and receives
Strength retrogression measures, and σ represents the standard deviation of environment noise, and unit is dB.
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| CN201710114694.5A CN106600890A (en) | 2017-02-28 | 2017-02-28 | Internet-of-Things-based intelligent household security and protection system |
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| CN201710114694.5A CN106600890A (en) | 2017-02-28 | 2017-02-28 | Internet-of-Things-based intelligent household security and protection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110580016A (en) * | 2018-06-13 | 2019-12-17 | 佛山市易于嘉农业科技有限公司 | Multifunctional intelligent home system |
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| CN104834288A (en) * | 2015-04-02 | 2015-08-12 | 宁波易猎信息科技有限公司 | Smart home security method based on internet of things |
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| CN202735785U (en) * | 2012-02-03 | 2013-02-13 | 渤海大学 | Intelligent household object positioning management system |
| US9491571B2 (en) * | 2014-06-23 | 2016-11-08 | Google Inc. | Methods and apparatus for using smart environment devices via application program interfaces |
| CN204155400U (en) * | 2014-11-07 | 2015-02-11 | 林子健 | Smart Home companion |
| US9530302B2 (en) * | 2014-11-25 | 2016-12-27 | Vivint, Inc. | Keypad projection |
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