CN105357816B - Seamless Intelligent illuminating method based on passive type human sensing net - Google Patents
Seamless Intelligent illuminating method based on passive type human sensing net Download PDFInfo
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- CN105357816B CN105357816B CN201510708531.0A CN201510708531A CN105357816B CN 105357816 B CN105357816 B CN 105357816B CN 201510708531 A CN201510708531 A CN 201510708531A CN 105357816 B CN105357816 B CN 105357816B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Computer Networks & Wireless Communication (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention provides a kind of seamless intelligent illuminating system and method based on passive type human sensing net, the system integrates microcontroller on each lighting nodes, human body heat-releasing electric transducer and zigbee radio receiving transmitting modules and composition zigbee network, human body pyroelectricity sensor signal and microcontroller the signal interaction between each lighting nodes by zigbee network on each lighting nodes, make each discrete human body heat-releasing electric transducer composition Sensor Network, each discrete lighting unit composition lighting mains, each discrete microcontroller composition distributed computing system, distributed computing system is illuminated lighting mains seamless switching control after the motor behavior by the input-signal judging human body of Sensor Network.The present invention allows the sight place in one's power light all light in anyone any corner at any time in any building by the sensing network and data processing technique that construct complexity, and the light of all no sight place in one's power of owner goes out entirely, make the real intelligence of lamp change.
Description
Technical field
The invention mainly relates to intelligent lighting technical field, and the three-dimensional scenic illumination specifically based on human sensing net is seamless
Gap intelligent illuminating system and method, more particularly to a kind of lamp the Internet services platform in building.
Background technology
Most building intraoral illumination systems are a undisputable facts using manual switch at this stage, this just brings correlation
Personal management inconvenience, forgets out or user closes the switch of certain lamp and causes dark corners by mistake, so that bad user experience is caused, or
It is to forget pass switch night to cause energy waste.
For traditional intelligent lighting, people often associate acoustic control lamp.But after being mounted with acoustic control lamp, except between needs
Have a rest shout to clap hands stamp one's foot it is outer also to face it is bilevel dark frightened, just in case running into acquaintance old friend in staircase chats a two
Minute lamp just goes out " energy savingly ", clearheaded therewith drops of talking.In addition there is a small amount of human body pyroelectricity sensing control lamp on the market, this
The presence that kind lamp to be not required sound with regard to that can sense people by human body heat-releasing electric transducer, but this sensor has a cause
The shortcomings that life is exactly that can not detect static human body, this is the defects of can not making up caused by testing principle, hence in so that this
Lamp can not equally extend field of employment on a large scale, can only be confined to the limited place such as residential building corridor.Either acoustic control lamp is still
The sensing control lamp of other single nodes, the defects of due to sensing capability, it probably already exists and comes into operation already, but due to its user's body
Testing difference causes occupation rate of market very low, as the large-scale illumination place such as office building, megastore be impossible be directly by this kind of " intelligence
Energy lamp " replaces general lighting lamp, can only exist as energy-saving lamp, it is impossible to the really extensive tradition for substituting mechanical switch control
Headlamp.
Lamp networking is to be proposed very early by people with the ideational form of vision of the future, and in the long run, common acoustic control is light-operated
It is main trend that lamp and human body inductive lamp are finally substituted by Intelligent illumination device.Intelligent illumination device is passed by last century the nineties
Enter China, although slogan is loud, since equipment design cost is higher, visual field competitiveness is thin and weak etc. causes the development in the field to be delayed
It is slow even to stagnate, it is contemplated that visual field demand and cost, interests, domestic intelligent lighting visual field it is universal or using single node sensing control lamp as
Main, the step that visual field is chased by research institute also constantly carries out the technology upgrading and research and development of a large amount of single-points in order to energy saving, and true
Positive lamp networking intelligent lighting scheme and technology rarely have breakthrough.
The content of the invention
To solve the deficiency of current technology, the present invention combines the prior art, from practical application, there is provided one kind is based on quilt
The seamless intelligent illuminating system and method for dynamic formula human sensing net, by the sensing network and data processing skill that construct complexity
Art complete to illuminated field Region control, lamp is become real intelligence, allow in any building anyone at any time
The sight place in one's power light all light in any corner, and the light of all no sight place in one's power of owner goes out entirely, makes what lamp became
Really intelligence.
To achieve the above object, the technical solution adopted in the present invention is as follows：
Based on the seamless intelligent illuminating system of passive type human sensing net, including the multiple illuminations being made of lighting unit
Node, integrates microcontroller, human body heat-releasing electric transducer and zigbee radio receiving transmitting modules and composition on each lighting nodes
Zigbee network, human body pyroelectricity sensor signal and microcontroller signal on each lighting nodes pass through zigbee network
The interaction between each lighting nodes, makes each discrete human body heat-releasing electric transducer composition Sensor Network, each discrete lighting unit
Lighting mains, each discrete microcontroller composition distributed computing system are formed, distributed computing system passes through the defeated of Sensor Network
Enter after signal judges the motor behavior of human body and lighting mains are illuminated with seamless switching control.
Api interface is set in Sensor Network and lighting mains so that the host computer in system can control the owner in system
Body pyroelectric sensor and lighting unit.
The human body heat-releasing electric transducer is installed on stepper motor, and the stepper motor connects microcontroller.Based on quilt
The seamless Intelligent illuminating method of dynamic formula human sensing net, including：
Region division is carried out to lighting unit, after the division for completing illumination region, demarcates all friends of each illumination region
Good region and the associated storage area for writing into the illumination region, complete building for lighting mains；
Each independent human body heat-releasing electric transducer is set up into seamless by zigbee network by method of handover
Sensor Network；
The sensing data of different periods difference node in Sensor Network is merged by data fusion method, it is ensured that to being
System inputs accurate and irredundant human body and judges signal；
Illumination seamless switching algorithm is run by distributed computing system, Region control is carried out to lighting mains.
Friendly region scaling method includes：
Stand and all illumination regions of sight in one's power are found out in each illumination region, all illumination regions of sight in one's power are
For friendly region.
Method of handover includes：
Changed after the analog sampling signal of human body heat-releasing electric transducer most original is filtered through A/D, be then fed into microcontroller
Device, sets a lowest threshold, is just useful signal when human body heat-releasing electric transducer output signal is more than lowest threshold；
In it the building of this system will be installed, a people is taken as sample objects, and make the people be gone to often with normal leg speed
Among two adjacent lighting nodes, the record signal magnitude that two human body heat-releasing electric transducers detect at this time, in being set as
Between be worth；
A value is taken between lowest threshold and median, is set as the trigger value of handover；
When someone is moved to the Studies of Human Body Heat in other regions out of this illumination region human body pyroelectricity sensor coverage
During releasing electric transducer coverage, the signal strength only received when the human body heat-releasing electric transducer of this illumination region is small
Just it is considered the people when trigger value to be moved in the coverage of human body heat-releasing electric transducer in other regions, completes to get over area
Switching.
Data fusion method includes：
Someone (group) before handover is completed, associated microprocessor can be by itself in network it detects that the people (group)
The data packet that lighting nodes are sent is set to invalid, i.e., illustrates that the effective data packets of the people (group) position only have in network at this time
One；
After handover occurs, when the data packet of the data packet of generation information redundancy or information contradiction in relevant range
When, the data packet that is sent according to " number from have change nothing " lighting nodes is necessarily rejected, " number has from no change " lighting nodes are sent out
The principle that the data packet gone out is necessarily retained, when the situation of the number presence or absence of each lighting nodes does not change, even if hair
New data packet will not be produced by having given birth to handover, i.e., system is not influenced.
Illumination seamless switching algorithm includes：
Lighted as the lighting mains in its friendly region of the microprocessor control of this illumination region where people, and only very important person is still
In this illumination region, then the microcontroller of this illumination region is periodically to its bright signal in friendly region sending point.
Illumination seamless switching algorithm further includes：
The lighting nodes that two illumination region junctions are defined on software are lighting transition area；
If people attempts to enter other regions in the range of its friendly region by this illumination region, when people goes to this lighting area
It during the lighting transition area in domain and other regions, will light the lighting mains in the friendly region in other regions, it is other when reaching
During in the region and lighting transition area of this illumination region, other close friends of this illumination region of the microprocessor control in other regions
Region can extinguish after a certain time, but other friendly regions receive and light signal again, then black out signal fails.
Illumination seamless switching algorithmic method further includes：
If people is in this illumination region long inactivity, lighting nodes where detecting the human body heat-releasing electric transducer that people disappears
Stepper motor will rotate under the control of microcontroller signal, so as to drive human body heat-releasing electric transducer to move, if at this time again
Detect human body signal, then illustrate that human body is static, do not have new data packet in network and produce.
Beneficial effects of the present invention：
1st, the lighting unit in building is formed a three-dimensional scenic illumination platform by the present invention by the way of lamp networking,
This platform can make lighting unit provide " the light service of wisdom ", by the platform application in building, can make human body Sensor Network make
Device replaces mechanical switch in order to control, realize anyone at any time any corner can't see any dark illuminate it is seamless
Switching, simultaneity factor automatically can turn off the non-significant lamp of no sight in one's power, so as to be maximized in the state of nobody discovers
It is energy saving.
2nd, platform feature of the invention is expansible, by secondary development, Sensor Network API and lighting mains API is realized pair
The functions such as the real-time positioning of night a suspect is quickly detected with data back, line fault, stage-lighting effect.
3rd, the present invention uses " quiet with the dynamic system " scheme independently conceived, and the creative technology that will be handed over is used for adjacent biography
Sensor node detection zone defines, so that signal fluctuation when solving more area confusion and the signal input of Sensor Network is asked
Topic, while the data collected to Sensor Network using network carry out data fusion and filtering, can not be by so as to solve static human body
The method of the problem of detection, handover and data fusion completes the structure of seamless, accurate human sensing net.
4th, the control mode that the present invention uses is Region control, and unconventional single lamp control, region division can be according to buildings
Practical layout in the world is independently set so that the system has the versatility used in various building.
5th, the seamless switching algorithm that uses of the present invention, can accomplish no matter what where of the people in system in system carry out
The motion state of kind, can rationally control each region light to cause light all light in everyone visual field, that is, reach illumination nothing
The effect that seaming and cutting are changed.
Brief description of the drawings
Attached drawing 1 is general structure schematic diagram of the present invention；
Attached drawing 2 is present system model structure schematic diagram；
Attached drawing 3 is lighting transition plot structure schematic diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the invention will be further described.It is to be understood that these embodiments are only used for
Illustrate the present invention rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, this
Field technology personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within right appended by the application will
Seek book limited range.
Based on the seamless intelligent illuminating system of passive type human sensing net, including the multiple illuminations being made of lighting unit
Node, integrates microcontroller, human body heat-releasing electric transducer and zigbee radio receiving transmitting modules and composition on each lighting nodes
Zigbee network, human body pyroelectricity sensor signal and microcontroller signal on each lighting nodes pass through
Zigbee network interaction between each lighting nodes, make each discrete human body heat-releasing electric transducer composition Sensor Network,
Each discrete lighting unit composition lighting mains, each discrete microcontroller composition distributed computing system, Distributed Calculation
System is illuminated lighting mains seamless switching control after the motor behavior by the input-signal judging human body of Sensor Network.
As shown in Figure 1, each lighting unit in building is set to by each headlamp first as a lighting unit
Lighting nodes, microcontroller, human body heat-releasing electric transducer and zigbee radio receiving transmitting modules are integrated on each lighting nodes, is made
Headlamp is obtained by microprocessor control, and zigbee network is formed in building.Zigbee network is a kind of ad hoc network, in network
There is automatic recovery ability during module failure, do not interfere with overall performance of network, microcontroller is led to zigbee modules by serial ports
Letter, therefore the control of the human body pyroelectricity sensing data and light in each lighting nodes can access network by serial ports,
And then form Sensor Network and lighting mains.As shown in Figure 2, it is the system model schematic diagram of the present invention, when human body enters the net
During network, Sensor Network will detect and position the position of the human body, and sensing data is merged with historical data, be flooded by small range
Agreement is sent to relevant microcontroller in network, and microcontroller is determined after receiving the data packet in network according to signal light control algorithm
It is fixed whether to turn on light or turn off the light, so as to complete the function of illumination seamless switching.
The Sensor Network of the present invention can be by each independent human body pyroelectricity by the handover thought in mobile communication
Sensor is set up into seamless sensing network by zigbee network, recycles data fusion method by different periods in Sensor Network
The sensing data of different nodes is merged, it is ensured that is inputted accurate and irredundant human body to system and is judged signal.
The sensor for being used to build Sensor Network in the system is human body pyroelectricity infrared sensor.Human body heat-releasing electric transducer
Be it is a kind of can detect people transmitting infrared ray and export the sensor of electric signal.Such sensor is one not accurate in itself
Sensor.The sensor has two big fatal defects to cause it to cannot be used for human body positioning in traditional cognitive：
1st, the testing principle of sensor for human detection determines that double base passive type human body heat-releasing electric transducer can not detect
Static human body.
2nd, for weaker human body thermal signal, missing inspection or signal fluctuation easily occur for sensor, and in the market is in order to solve
The problem often using the method for increase sampling number (increasing the sampling time), causes sensor to become " slow in reacting ", detects
Boundary obscures.
Therefore the problem of being directed to the above, the present invention is using the side being installed on human body heat-releasing electric transducer on stepper motor
Case, stepper motor are connected with microcontroller, since movement is opposite, when sensor random motion, from biography
So-called static human body is not present as viewed from the perspective of sensor.Under the control of stepper motor, human body heat-releasing electric transducer can enclose
Circled around electrical axis, a control can be inputted to motor so when needing to judge whether static human body
Signal so that sensor can rotate a bit of time.
In addition, as a preferred embodiment, the present invention is designed with api interface, developer can utilize Sensor Network and illumination
The API of net reads each lighting nodes sensing data and output switch modulating signal, and then development and application journey on the platform
Sequence, application program operation is in a network in a unique PC machine；The application program of exploitation is including a variety of, such as：During using system
Clock and Sensor Network can be found that in night building can with personnel and carry out in real time positioning and data back；Pass through the whole network using Sensor Network
The fast positioning of faulty line can be completed with data back by flooding；Light of stage can be produced using lighting mains in hall
Effect etc..
Technical solution further includes following method used by the system：
Region division is carried out to lighting unit, after the division for completing illumination region, demarcates all friends of each illumination region
Good region and the associated storage area for writing into the illumination region, complete building for lighting mains；
Each independent human body heat-releasing electric transducer is set up into seamless by zigbee network by method of handover
Sensor Network；
The sensing data of different periods difference node in Sensor Network is merged by data fusion method, it is ensured that to being
System inputs accurate and irredundant human body and judges signal；
Illumination seamless switching algorithm is run by distributed computing system, Region control is carried out to lighting mains.
In technical scheme, the function that lighting mains are completed is the Region control realized to light, and unconventional
Single lamp control.System loads before a certain building building, it is necessary to carry out region division, the foundation of division to all headlamps of building
It is the practical layout of building.Such as all lamps can form an illumination region in hall, the lamp on a certain bar corridor for another example
Illumination region etc. can be formed.Illuminating block divides thinner, and the control to headlamp is finer, and system gets over power saving,
But quantities will be bigger (reason is explained and seen below)., it is necessary to stand in each illumination region after the planning of completion illumination region
All illumination regions of sight in one's power are found out in (such as region A), and (for example region B, region M meet condition, are defined as close friend
Region), and all friendly regions are write into the associated storage area of the illumination region (all microcontrollers are all by B and M notes i.e. in A
Record as friendly region), this is also that illuminating block divides the reason for more detailed rules and regulations quantities is bigger.After finishing above-mentioned work, lighting mains are just
Build and complete, the illumination control signal in zigbee network can be realized with the mode of flooding to a certain piece of illumination region at this time
Control.
The Sensor Network scheme of the present invention casts off the delay scheme of in the market once and for all, using " the handover+number of independent research
According to fusion " new departure.
First, MCU, setting are sent into through AD conversion after the analog sampling signal of human body heat-releasing electric transducer most original is filtered
One lowest threshold MIN_SIG, is just considered effective transducing signal when sensor output signal is more than MIN_SIG.(pay attention to
The value of MIN_SIG cannot be too big, it is to be ensured that the every nook and cranny in building can cover effective transducing signal, that is, require sensing
Net must be seamless)；Then the people for calculating each two sensor midpoint is radiated signal magnitude on two sensors, if
For median MIDDLE_SIG.A value is taken between MIN_SIG and MIDDLE_SIG again, is the trigger value of handover, if
For CHANGE_SIG；During being moved to the coverage of sensor B in someone coverage from sensors A, only when
The signal strength that sensors A receives just thinks that the people is moved in the coverage of sensor B when being less than CHANGE_SIG
(rather than handover occurs at the midpoint MIDDLE_SIG of two sensors), equally, someone is moved to sensing from sensor B
During device A, also just to think that there occurs handover when sensor B detects that signal strength is less than CHANGE_SIG.Success is sent out
(set first to attempt to be moved to B areas from A areas, A areas, B areas etc. refer to the lighting area after division in this specification before raw handover
Domain A areas, illumination region B areas), the sensor data packet in network can be sticked engineering noise label by associated microprocessor, at this time net
Effective data packets in network only have one, i.e. " first is located at A areas ", and the data packet for " first is located at B areas " that B areas microcontroller is sent
Failure, i.e. data fusion principle.Same principle, after handover is completed, A and B areas microcontroller can all send that " first is located at
The data packet in B areas ", at this time under the action of data anastomosing algorithm redundancy data packet failure, can only retain that " first is located in network
One, B areas " effective data packets.
Examples detailed above description is equally applicable to more people's situations, is analyzed as follows for single situation, the technical program：
Assuming that it is not 0 that A areas number, which is not 0, B areas number, yet, if after from A areas to B areas handover occurs for first：
1. A areas and B areas still someone, then sensor signal do not change, new data packet will not be produced in network；
2. A areas are changed into nobody, B areas still someone, then from macroscopically, final result with single situation, unlike this
When network in there is no the data packet for producing redundancy, only " first is located at B areas " is generated under the action of A areas microcontroller this is effective
Data packet.
Assuming that it is 0 that A areas number, which is not 0, B areas number, if after from A areas to B areas handover occurs for first：1. A areas still have
People, B areas are changed into someone, then from macroscopically, final result is with single situation, the difference is that at this time without generation redundancy in network
Data packet, only " first is located at B areas " this effective data packets are generated under the action of B areas microcontroller.
2. A areas are changed into nobody, B areas are changed into someone, and model is fully equivalent in single situation at this time, i.e., is generated in network superfluous
Remaining data packet, i.e., before handover completion, B areas become the wrong data bag that can send " first is located at B areas ", but are got over above-mentioned
The data packet can fail under the action of area's handoff algorithms；After handover is completed, A and B areas microcontroller can all send " first position
In B areas " data packet, at this time under the action of data anastomosing algorithm redundancy data packet failure, only can retain " first position in network
In B areas " effective data packets.
Possible this adjacent area of more than B areas in A areas under actual conditions, but in an illumination region, the first handover in A areas
The macro-effect brought to any adjacent areas such as B areas, C areas is the same, i.e., the signal of lighting mains will not change, if therefore being
System is without redundant data packets or conflicting wrong data bag is produced, then unique effective data packets that certain microcontroller produces are all
It is considered that correctly (actual conditions may not be in this way, still as described above, this can't influence macroscopical correctness, also not
Other any negative effects can be brought.And the algorithm for avoiding excessively complexity contributes to lift network performance on the contrary, reduces resistance
Plug).When producing redundant data packets even inconsistency data bag, according to the data packet in the area for giving up " number from have change nothing ", retain
The principle of the data packet in the area of " number has from no change ".
As shown in the above, redundancy even contradiction, the data of mistake can be just produced only under the model of single situation
Bag, therefore assume that there is B in A areas, two adjacent areas of C, if first has been switched to C areas from A areas, the sensor in A areas can only judge the area at this time
People disappear, but only can not judge which adjacent area people has gone to its own, therefore it sends " first by the situation of acquiescence
Positioned at B areas " this data packet, at this time C areas also send the data packet of one " first is located at C areas ", it is clear that number from have become nothing A areas
Data packet be it is wrong, number from without become have C areas data packet when it is correct.
In conclusion the method for handover and data fusion completes the structure of seamless, accurate human sensing net, solution
The problem of personnel in current building that determined are accurately positioned with tracking at home without ripe scheme.
There are the above-mentioned lighting mains put up and sensing network technology, realize that illumination seamless switching is only needed in Distributed Calculation
Suitable signal light control algorithm is run in system, signal light control algorithm of the present invention is illumination seamless switching algorithm.
First, as shown in Figure 3, lighting transition area, i.e. photograph near two illumination region junctions are defined on software
Bright lamp node, is a kind of performance of the present invention shown in attached drawing 3, i.e. the friendly region of illumination region B is A areas and C areas,
The lighting transition area in so A areas and B areas is divided into the lighting transition area in the lighting transition area and B areas in A areas again.With reference to attached
Embodiment shown in Fig. 3 is explained in detail the illumination seamless switching algorithm of the present invention：
First in illumination region B, then light by the lighting mains of B areas microprocessor control close friend region A and C.And only very important person
Still in B areas, then B areas microcontroller will be periodically to the friendly bright signal in region sending point.
1. if first sensor near B areas long inactivity, first will can't detect the presence of first, detect that human body disappears at this time
The motor of node will rotate under the control of microcontroller signal where the sensor of mistake, so as to drive sensor to move, at this time
If detecting human body signal again, illustrate that human body is static, do not have new data packet in network and produce.
2. if first seeks entry into illumination region A, when first goes to B area intraoral illumination transition region, the close friend of a-quadrant will be made
The lighting mains in region light (i.e. D areas light), when first reaches the opposite side of intermediate zone, i.e., during lighting transition area in a-quadrant, and A
Other friendly regions (i.e. C areas) of region microcontroller notice B area can extinguish after a certain time, if but being arrived at the moment
Other friendly regions of B receive again before coming light signal if, then the black out signal fails.The algorithm completes the base on platform
This function, algorithm are run in each lighting nodes, and lighting nodes receive the data packet in network, if the task of data packet is lamp
Photocontrol, then open or close current lighting nodes light, if the task of data packet is calculating, after lighting nodes complete calculating task
New data packet is sent to network, and then all dark corners in its scope of activities are eliminated for the personnel in building, and its
The non-significant lamp (distinctive mark lamp, decorative effect lamp etc.) that complementary angle falls then is extinguished.Therefore no matter the people in system is being
Where in system carries out which kind of motion state, can rationally control each region light make it that light is complete in everyone visual field
It is bright, that is, reach the effect of illumination seamless switching.
Claims (6)
1. based on the seamless Intelligent illuminating method of passive type human sensing net, nothing of this method based on passive type human sensing net
Gap intelligent illuminating system, system include the multiple lighting nodes being made of lighting unit, are integrated on each lighting nodes micro-
Controller, human body heat-releasing electric transducer and zigbee radio receiving transmitting modules and composition zigbee network, on each lighting nodes
The interaction between each lighting nodes by zigbee network of human body pyroelectricity sensor signal and microcontroller signal, makes each discrete
Human body heat-releasing electric transducer composition Sensor Network, each discrete lighting unit composition lighting mains, each discrete microcontroller
Distributed computing system is formed, distributed computing system compares after the motor behavior by the input-signal judging human body of Sensor Network
Bright net is illuminated seamless switching control, it is characterised in that this method includes：
Region division is carried out to lighting unit, after the division for completing illumination region, demarcates all Youhao Districts of each illumination region
Domain and the associated storage area for writing into the illumination region, complete building for lighting mains；
Friendly region scaling method includes：
Stand and all illumination regions of sight in one's power are found out in each illumination region, all illumination regions of sight in one's power are friend
Good region；
Each independent human body heat-releasing electric transducer is set up into seamless biography by zigbee network by method of handover
Feel net；
The sensing data of different periods difference node in Sensor Network is merged by data fusion method, it is ensured that defeated to system
Enter accurate and irredundant human body and judge signal；
Illumination seamless switching algorithm is run by distributed computing system, Region control is carried out to lighting mains.
2. the seamless Intelligent illuminating method as claimed in claim 1 based on passive type human sensing net, it is characterised in that more
Area switching method includes：
Changed after the analog sampling signal of human body heat-releasing electric transducer most original is filtered through A/D, be then fed into microcontroller, if
A fixed lowest threshold, is just useful signal when human body heat-releasing electric transducer output signal is more than lowest threshold；
In it the building of this system will be installed, a people is taken as sample objects, and make the people go to each two with normal leg speed
Among adjacent lighting nodes, the record signal magnitude that two human body heat-releasing electric transducers detect at this time, is set as median；
A value is taken between lowest threshold and median, is set as the trigger value of handover；
When someone is moved to the human body pyroelectricity in other regions out of this illumination region human body pyroelectricity sensor coverage
During sensor coverage, only touched when the signal strength that the human body heat-releasing electric transducer of this illumination region receives is less than
Just it is considered the people during hair value to be moved in the coverage of human body heat-releasing electric transducer in other regions, completes more area and cut
Change.
3. the seamless Intelligent illuminating method as claimed in claim 2 based on passive type human sensing net, it is characterised in that number
Include according to fusion method：
Before handover is completed, associated microprocessor can be by itself in network it detects that the photograph of the people or crowd by someone or crowd
The data packet that bright node is sent is set to invalid, i.e., illustrates that the people or the effective data packets of crowd position only have in network at this time
One；
After handover occurs, if being pressed in relevant range during the data packet of the data packet of generation information redundancy or information contradiction
The data packet sent according to " number from have change nothing " lighting nodes is necessarily rejected, the number that " number has from no change " lighting nodes are sent
The principle being necessarily retained according to bag, when the situation of the number presence or absence of each lighting nodes does not change, even if being got over
Area's switching will not produce new data packet, i.e., system is not influenced.
4. the seamless Intelligent illuminating method as claimed in claim 1 based on passive type human sensing net, it is characterised in that shine
Bright seamless switching algorithm includes：
Lighted as the lighting mains in its friendly region of the microprocessor control of this illumination region where people, and only very important person still at this
Illumination region, then the microcontroller of this illumination region is periodically to its bright signal in friendly region sending point.
5. the seamless Intelligent illuminating method as claimed in claim 4 based on passive type human sensing net, it is characterised in that shine
Bright seamless switching algorithm further includes：
The lighting nodes that two illumination region junctions are defined on software are lighting transition area；
If people attempts to enter other regions in the range of its friendly region by this illumination region, when people is gone in this illumination region
It during with the lighting transition area in other regions, will light the lighting mains in the friendly region in other regions, when reaching other regions
During the interior and lighting transition area of this illumination region, other friendly regions of this illumination region of the microprocessor control in other regions
It can extinguish after a certain time, but other friendly regions receive and light signal again, then and black out signal fails.
6. the seamless Intelligent illuminating method as claimed in claim 4 based on passive type human sensing net, it is characterised in that shine
Bright seamless switching algorithmic method further includes：
If people is in this illumination region long inactivity, the stepping of lighting nodes where detecting the human body heat-releasing electric transducer of people's disappearance
Motor will rotate under the control of microcontroller signal, so as to drive human body heat-releasing electric transducer to move, if detecting again at this time
To human body signal, then illustrate that human body is static, do not have new data packet in network and produce.
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| CN114513888A (en) * | 2021-12-31 | 2022-05-17 | 珠海雷特科技股份有限公司 | Microwave sensor group control method based on bus, computer device and computer readable storage medium |
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| CN102510601A (en) * | 2011-10-11 | 2012-06-20 | 天津大学 | Infrared sensing device for detecting static human bodies |
| CN202587481U (en) * | 2012-03-09 | 2012-12-05 | 重庆工业职业技术学院 | Intelligent dimming system of street lamps based on vehicle detection and wireless network |
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| CN102510601A (en) * | 2011-10-11 | 2012-06-20 | 天津大学 | Infrared sensing device for detecting static human bodies |
| CN202587481U (en) * | 2012-03-09 | 2012-12-05 | 重庆工业职业技术学院 | Intelligent dimming system of street lamps based on vehicle detection and wireless network |
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