CN109032218A - Smart home environment control system - Google Patents
Smart home environment control system Download PDFInfo
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- CN109032218A CN109032218A CN201810827042.0A CN201810827042A CN109032218A CN 109032218 A CN109032218 A CN 109032218A CN 201810827042 A CN201810827042 A CN 201810827042A CN 109032218 A CN109032218 A CN 109032218A
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- cluster head
- sensor node
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- control unit
- neighbours
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
Abstract
The present invention provides smart home environment control systems, including sensing device, temperature control equipment, distinguished and admirable adjustment equipment, environment control unit, and wherein sensing device, temperature control equipment, distinguished and admirable adjustment equipment are all connect with environment control unit；The sensing device is configured as carrying out indoor environment real-time monitoring, and acquisition indoor environment Data Concurrent is sent to environment control unit；The environment control unit is configured as being analyzed and processed received indoor environment data, generates corresponding control instruction, and the operation of temperature control equipment and distinguished and admirable adjustment equipment is controlled according to control instruction.
Description
Technical field
The present invention relates to smart home fields, and in particular to smart home environment control system.
Background technique
Raising with people to home comfort health requirements, the concept of smart home are gradually suggested and receive, intelligence
Household is usually to merge individual character using advanced computer network communication technology, comprehensive wiring technology and base of principle of human engineering
Subsystems related with home life are organically combined together by demand, are controlled and are managed by comprehensive intelligent, are realized
Completely new home life experience, refrigeration and heating is a major issue in family life at present, is had to people's lives comfort great
It influences, however refrigeration and heating needs to be adjusted according to the impression real-time perfoming of human body, common collective has for warm air conditioner refrigerating
Significant limitation cannot carry out temperature adjusting in time.
Summary of the invention
In view of the above-mentioned problems, the present invention provides smart home environment control system.
The purpose of the present invention is realized using following technical scheme:
Provide smart home environment control system, including sensing device, temperature control equipment, distinguished and admirable adjustment equipment, ring
Border control device, wherein sensing device, temperature control equipment, distinguished and admirable adjustment equipment are all connect with environment control unit；The biography
Induction device is configured as carrying out indoor environment real-time monitoring, and acquisition indoor environment Data Concurrent is sent to environment control unit；Institute
The environment control unit stated is configured as being analyzed and processed received indoor environment data, generates corresponding control instruction,
And the operation of temperature control equipment and distinguished and admirable adjustment equipment is controlled according to control instruction；
The sensing device includes multiple sensor nodes, aggregation node, when constructing network topology from sensor node
It selects cluster head and carries out sub-clustering；Cluster head is configured as the indoor environment data summarization of cluster inner sensor node acquisition and sends
To aggregation node；Aggregation node is configured as the indoor environment data that each cluster head summarizes being sent to environment control unit；In cluster
If each sensor node is no more than the communication distance threshold value of setting with cluster head distance, directly communicated with cluster head；If with cluster head away from
From the communication distance threshold value for being more than setting, sensor node selection is communicated apart from the closer neighbours' sensor node of cluster head.
In a kind of mode that can be realized, the environment control unit includes data processing unit, the first control list
Member, the second control unit, wherein first control unit, the second control unit input terminal all connect with data processing unit, the
The output end of one control unit is connect with temperature control equipment, and the output end of the second control unit is connect with distinguished and admirable adjustment equipment.
The invention has the benefit that carrying out the acquisition of indoor environment data using wireless sensor network technology, avoid
The trouble of wiring, intelligent quick；By being analyzed and processed to collected indoor environment data, according to indoor environment data control
The operation of temperature control equipment processed and distinguished and admirable adjustment equipment realizes the adjusting of household temperature and air circulation, people is allowed to return to
Comfortable environment, of simple structure and strong practicability can be enjoyed when family.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the smart home environment Control system architecture schematic block diagram of one embodiment of the invention；
Fig. 2 is the structural schematic block diagram of the environment control unit of one embodiment of the invention.
Appended drawing reference:
Sensing device 1, temperature control equipment 2, distinguished and admirable adjustment equipment 3, environment control unit 4, data processing unit 10,
One control unit 20, the second control unit 30.
Specific embodiment
The invention will be further described with the following Examples.
Fig. 1 is the smart home environment Control system architecture schematic block diagram of one embodiment of the invention.Referring to Fig. 1, this reality
The smart home environment control system for applying example offer includes sensing device 1, temperature control equipment 2, distinguished and admirable adjustment equipment 3, environment
Control device 4, wherein sensing device 1, temperature control equipment 2, distinguished and admirable adjustment equipment 3 are all connect with environment control unit 4.
Wherein, sensing device 1 be configured as to indoor environment carry out real-time monitoring, acquisition indoor environment Data Concurrent send to
Environment control unit 4.The sensing device 1 includes multiple sensor nodes, aggregation node, from sensor when constructing network topology
Cluster head is selected in node and carries out sub-clustering；Cluster head is configured as the indoor environment data summarization for acquiring cluster inner sensor node
And it is sent to aggregation node；Aggregation node is configured as the indoor environment data that each cluster head summarizes being sent to environment control unit
4.The present embodiment carries out the acquisition of indoor environment data using wireless sensor network technology, avoids wiring, implements simple.
Wherein, sensor node includes acquisition unit, analysis and processing unit and communication unit；Acquisition unit is by sensor
It is completed with analog-digital converter, analysis and processing unit is completed by microprocessor and memory, and communication unit is completed by wireless transceiver.
Wherein, sensor is temperature sensor and/or distinguished and admirable sensor.
Environment control unit 4 is configured as being analyzed and processed received indoor environment data, generates corresponding control
Instruction, and according to the operation of control instruction control temperature control equipment 2 and distinguished and admirable adjustment equipment 3.
In the mode that one kind can be implemented, as shown in Fig. 2, environment control unit 4 includes data processing unit 10, first
Control unit 20, the second control unit 30, wherein the input terminal of first control unit 20, the second control unit 30 is all and at data
It manages unit 10 to connect, the output end of first control unit 20 is connect with temperature control equipment 2, the output end of the second control unit 30
It is connect with distinguished and admirable adjustment equipment 3.
Data processing unit 10 is analyzed and processed received indoor environment data, by received indoor environment data with
Preset index is compared, and generates control instruction according to the result of the comparison, and control instruction is sent to first control unit
20, the second control unit 30, and then by first control unit 20, the second control unit 30 control temperature control equipment 2 and distinguished and admirable
The operation of adjustment equipment 3.
Optionally, control instruction is generated according to the result of the comparison, for example, when the room temperature that sensing device 1 acquires is more than
When the preset data threshold upper limit, data processing unit 10 sends the control instruction for turning down temperature to first control unit 20, and
The control instruction of starting air-supply is sent to the second control unit 30, and then first control unit 20 controls temperature according to control instruction
Adjustment equipment 2 carries out cold source offer, and the second control unit 30 conveys wind according to control instruction airflow regulation adjustment equipment 3, thus
Within the appropriate range by room temperature control.And when the room temperature that sensing device 1 acquires is lower than under preset data threshold
In limited time, data processing unit 10 sends the control instruction that temperature is turned up to first control unit 20, and to the second control unit 30
The control instruction for closing air-supply is sent, and then first control unit 20 controls temperature control equipment 2 according to control instruction and carries out heat
Source provides, and the second control unit 30 no longer carries out pushing wind manipulation according to control instruction airflow regulation adjustment equipment 3.
Optionally, temperature control equipment 2 connects earth source heat pump, and earth source heat pump provides heat source and cold source, first control unit
20 can control temperature control equipment 2 according to control instruction adjusts earth source heat pump offer heat source or cold source, thus by room temperature
Control is within the appropriate range.
In another optional mode, temperature control equipment 2 is air-conditioning, and first control unit 20 can be according to control instruction
It controls temperature control equipment 2 and conveys cold source or heat source.
Optionally, distinguished and admirable adjustment equipment 3 is ventilation device, and the second control unit 30 passes through airflow regulation adjustment equipment 3
Opening and closing come realize ventilation or it is stuffy.
The above embodiment of the present invention carries out the acquisition of indoor environment data using wireless sensor network technology, avoids wiring
Trouble, intelligent quick；By being analyzed and processed to collected indoor environment data, temperature is controlled according to indoor environment data
The operation of adjustment equipment and distinguished and admirable adjustment equipment is spent, the adjusting of household temperature and air circulation is realized, allows people when going back home
Comfortable environment, of simple structure and strong practicability can be enjoyed.
In the mode that one kind can be implemented, the method for electing cluster head is to arrive for all the sensors node selection one 0
Random number between 1, if this random number is less than a preset threshold value, which is chosen as cluster
Head, if two cluster heads elected are closer, wherein the high sensor node of dump energy can be used as cluster head.It is all
After sensor node was elected to a wheel cluster head, whole network starts a new wheel sub-clustering.
In a kind of mode that can be realized, sensor node selection is carried out apart from the closer neighbours' sensor node of cluster head
Communication, specifically:
(1) in the closer neighbours' sensor node of cluster head, selection meets neighbours' sensor of following path condition
Node alternately communication node, is included into alternative communication node set:
In formula, OiIndicate sensor node i correspondence cluster head, ij indicate sensor node i apart from the closer neighbour of cluster head
Occupy j-th of neighbours' sensor node in sensor node；For j-th of neighbour sensor node and cluster head OiAway from
From dσFor the communication distance threshold value of the setting, niIt is sensor node i apart from the closer neighbours' sensor node number of cluster head
Amount；
(2) sensor node selects the maximum neighbours' sensor node of current remaining in alternative communication node set
It is communicated.
Wherein, the other sensors node in sensor node i communication range is referred to as the neighbours of sensor node i
Sensor node.
The present embodiment sets the communication routing mechanism between sensor node and cluster head, in the communication routing mechanism, passes through
Whether distance determines sensor node with cluster head direct communication, and the indoor environment data that can ensure that sensor node acquires are reliable
Steadily it is sent to cluster head.Path condition is wherein innovatively set, so that being more than the communication distance of setting with cluster head distance
Sensor node when threshold value can be avoided selection apart from the farther away next-hop of cluster head, so as to have when selecting next-hop
Effect reduces indoor environment data transmission delay, while reducing the indoor environment number as caused by data flow interference in multi-hop transmission
According to the incidence of packet loss phenomenon.
In a kind of mode that can be realized, indoors in environmental data transmission process, sensor node is periodically counted
The available cache memory variation degree of itself is calculated and updated, while updated available cache memory variation degree being sent to the biography of upper hop
Sensor node；Neighbours' sensor node that sensor node real-time monitoring communicates with, when finding neighbours' sensor node
When available cache memory variation degree is more than the variation degree threshold value of setting, other neighbours in the alternative communication node set of oneself
In sensor node, sensor node reselects the maximum neighbours' sensor node of current remaining and communicates；Wherein,
Available cache memory variation degree is 0 when setting initial, the calculation formula of the available cache memory variation degree are as follows:
In formula, μi(t) the available cache memory variation degree that sensor node i is calculated in current period t moment, L are indicatedi(t) it is
Indoor environment data packet queue length of the sensor node i in current period t moment in own cache space, Li(t-Δt)
Indoor environment data packet queue length of the sensor node i in upper period t moment in own cache space, Δ t are the period
Interval time, Li,maxFor the initial cache size of sensor node i；For available cache memory variation degree impact factor, work as sensing
When the available cache memory variation degree of the next-hop sensor node of device node i is more than the variation degree threshold value of setting,It is no
ThenFor sensor node i next-hop sensor node at a distance from corresponding cluster head, dσFor the setting
Communication distance threshold value；For the judgement value function of setting, whenWhen,WhenWhen,
The present embodiment sets sensor node to the route maintenance mechanism of cluster head, wherein setting available cache memory variation journey
The calculation formula of degree, the available cache memory variation degree can preferably reflect next-hop sensor node to path between cluster head
Congestion Level SPCC.Due to the remaining cache space of a sensor node is too small or have a large amount of indoor environment data packets arrival when,
The pressure of sensor node processes indoor environment data packet will increased dramatically, and indoor environment data packet will be overstock in sensor node
Spatial cache in, cause certain congestion phenomenon.The present embodiment serves as measurement by available cache memory variation degree, and this is existing
As the index of severity, when the available cache memory variation degree of the communicated neighbours' sensor node of sensor node discovery is more than
When the variation degree threshold value of setting, reselecting for next-hop node is carried out, can be effectively reduced indoor environment data pack buffer
The processing pressure of the excessive sensor node of quantity, balances the load of each sensor node, is effectively reduced because of indoor environment data
It is cached mostly and the probability of packet loss, and then improves the reliability of indoor environment data transmission.
In a kind of mode that can be realized, the distance between cluster head and aggregation node are less than preset apart from lower limit
When, cluster head is directly communicated with aggregation node；The distance between cluster head and aggregation node be more than it is preset apart from lower limit when, cluster head is logical
Indoor environment data are sent to aggregation node by the mode for crossing multihop routing, wherein in the neighbours cluster head closer apart from aggregation node
In, cluster head selects the maximum neighbours' cluster head of weight as next-hop；
Set the calculation formula of weight are as follows:
In formula, QabFor b-th of weight apart from the closer neighbours' cluster head of aggregation node of cluster head a, μ；For the setting
Variation degree threshold value, μb(t) the currently available caching for described b-th apart from the closer neighbours' cluster head of aggregation node changes journey
Degree, d (b, o) are described b-th distance apart from the closer neighbours' cluster head of aggregation node to aggregation node, dminFor the setting
Apart from lower limit, d (a, o) is distance of the cluster head a to aggregation node；λ1、λ2For the weight coefficient of setting.
The present embodiment is based on available cache memory variation degree and distance factor, creatively sets the calculation formula of weight,
And accordingly propose cluster head to aggregation node communication routing mechanism, in the routing mechanism, between cluster head and aggregation node away from
From when being more than lower limit with a distance from preset, cluster head selects the maximum neighbours' cluster head of weight as next-hop, is conducive to improve indoor ring
The reliability of border data transmission, and the total length of indoor environment data transfer path can be shortened as far as possible, save indoor environment number
According to the cost of transmission.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (6)
1. smart home environment control system, characterized in that including sensing device, temperature control equipment, distinguished and admirable adjustment equipment, ring
Border control device, wherein sensing device, temperature control equipment, distinguished and admirable adjustment equipment are all connect with environment control unit；The biography
Induction device is configured as carrying out indoor environment real-time monitoring, and acquisition indoor environment Data Concurrent is sent to environment control unit；Institute
The environment control unit stated is configured as being analyzed and processed received indoor environment data, generates corresponding control instruction,
And the operation of temperature control equipment and distinguished and admirable adjustment equipment is controlled according to control instruction；The sensing device includes multiple sensors
Node, aggregation node, when constructing network topology, select cluster head from sensor node and carry out sub-clustering；Cluster head be configured as by
The indoor environment data summarization of cluster inner sensor node acquisition is simultaneously sent to aggregation node；Aggregation node is configured as each cluster head
The indoor environment data summarized are sent to environment control unit；If each sensor node is no more than setting with cluster head distance in cluster
Communication distance threshold value, then directly communicate with cluster head；If with cluster head distance being more than the communication distance threshold value of setting, sensor node choosing
It selects and is communicated apart from the closer neighbours' sensor node of cluster head.
2. smart home environment control system according to claim 1, characterized in that the environment control unit includes
Data processing unit, first control unit, the second control unit, the wherein input terminal of first control unit, the second control unit
All connect with data processing unit, the output end of first control unit is connect with temperature control equipment, the second control unit it is defeated
Outlet is connect with distinguished and admirable adjustment equipment.
3. smart home environment control system according to claim 1 or 2, characterized in that sensor node includes acquisition
Unit, analysis and processing unit and communication unit；Acquisition unit is completed by sensor and analog-digital converter, analysis and processing unit by
Microprocessor and memory are completed, and communication unit is completed by wireless transceiver.
4. smart home environment control system according to claim 1, characterized in that the method for electing cluster head is to be
Random number between all the sensors node selection one 0 to 1, if this random number is less than a preset thresholding
Value, then the sensor node is chosen as cluster head, if two elected cluster head is closer, wherein dump energy is high
Sensor node can be used as cluster head.
5. smart home environment control system according to claim 1, characterized in that sensor node is selected apart from cluster head
Closer neighbours' sensor node communicates, specifically:
(1) in the closer neighbours' sensor node of cluster head, selection meets neighbours' sensor node of following path condition
Alternately communication node is included into alternative communication node set:
In formula, OiIndicate the correspondence cluster head of sensor node i, ij indicates sensing apart from the closer neighbours of cluster head for sensor node i
J-th of neighbours' sensor node in device node；For j-th of neighbour sensor node and cluster head OiDistance, dσFor
The communication distance threshold value of the setting, niIt is sensor node i apart from the closer neighbours' sensor node quantity of cluster head；
(2) sensor node selects the maximum neighbours' sensor node of current remaining to carry out in alternative communication node set
Communication.
6. smart home environment control system according to claim 1, characterized in that between cluster head and aggregation node away from
From when being less than lower limit with a distance from preset, cluster head is directly communicated with aggregation node；The distance between cluster head and aggregation node are more than
It is preset apart from lower limit when, indoor environment data are sent to aggregation node by way of multihop routing by cluster head.
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| CN201810827042.0A CN109032218A (en) | 2018-07-25 | 2018-07-25 | Smart home environment control system |
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| CN102448138A (en) * | 2011-12-31 | 2012-05-09 | 重庆邮电大学 | Method for clustering hierarchical routing protocols of wireless sensor network |
| CN107205260A (en) * | 2017-07-20 | 2017-09-26 | 深圳市益鑫智能科技有限公司 | A kind of transformer on-line intelligence monitoring system |
| CN108107748A (en) * | 2018-01-19 | 2018-06-01 | 赵然 | A kind of smart home environment control system |
| CN108235402A (en) * | 2016-12-14 | 2018-06-29 | 扬州大学 | A kind of Wireless Sensor Network Routing Protocol based on improvement tree-shaped sub-clustering |
-
2018
- 2018-07-25 CN CN201810827042.0A patent/CN109032218A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102448138A (en) * | 2011-12-31 | 2012-05-09 | 重庆邮电大学 | Method for clustering hierarchical routing protocols of wireless sensor network |
| CN108235402A (en) * | 2016-12-14 | 2018-06-29 | 扬州大学 | A kind of Wireless Sensor Network Routing Protocol based on improvement tree-shaped sub-clustering |
| CN107205260A (en) * | 2017-07-20 | 2017-09-26 | 深圳市益鑫智能科技有限公司 | A kind of transformer on-line intelligence monitoring system |
| CN108107748A (en) * | 2018-01-19 | 2018-06-01 | 赵然 | A kind of smart home environment control system |
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