CN109862680A - Lighting control equipment, system and method - Google Patents

Lighting control equipment, system and method Download PDF

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Publication number
CN109862680A
CN109862680A CN201910309749.7A CN201910309749A CN109862680A CN 109862680 A CN109862680 A CN 109862680A CN 201910309749 A CN201910309749 A CN 201910309749A CN 109862680 A CN109862680 A CN 109862680A
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China
Prior art keywords
illumination
node
lighting control
host node
controller
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Granted
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CN201910309749.7A
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Chinese (zh)
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CN109862680B (en
Inventor
李金雷
饶晖
胡科军
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BOE Technology Group Co Ltd
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BOE Technology Group Co Ltd
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Priority to CN201910309749.7A priority Critical patent/CN109862680B/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light emitting diodes [LEDs]
    • H05B45/10Controlling the intensity of the light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light emitting diodes [LEDs]
    • H05B45/30Driver circuits
    • H05B45/32Pulse-control circuits
    • H05B45/325Pulse-width modulation [PWM]

Abstract

The present invention discloses a kind of lighting control equipment, system and method.One specific embodiment of the equipment includes: multiple illumination host nodes, forms wireless mesh network between multiple illumination host nodes, and lighting control commands are broadcasted other illumination host nodes to its wireless coverage by wherein one or more illumination host nodes;Each illumination host node is corresponding to be illuminated from node, it illuminates the corresponding illumination of host node and constitutes star topology network from node, lighting control commands are broadcast to corresponding illumination from node by illumination host node in the form of point-to-point communication, wherein each illumination host node and illumination include controller and light source from node, and controller is used to control light source according to lighting control commands and be illuminated.The embodiment has many advantages, such as that low cost, low-power consumption, high reliability, systemic openness are strong.

Description

Lighting control equipment, system and method
Technical field
The present invention relates to lighting control technique fields.More particularly, to a kind of lighting control equipment, system and method.
Background technique
In the places such as market, underground garage, warehouse, lighting system needs long-play, even if in the ebb used Phase is also required to keep certain intensity of illumination in some special positions.For most of underground garages and warehouse, regardless of Pass through either with or without personnel or vehicle, lighting device is all in open state.Some property or storehouse management unit use replacement more The lamps and lanterns or behavior adjustment management illumination time period of small wattage reduce operating cost, but the effect of these modes is all undesirable.
With scientific and technological progress, energy problem is prominent, under the backgrounds such as scarcity of resources, energy conservation and scientific management to lighting system The requirement for having proposed higher.Accordingly, it is desirable to provide a kind of new lighting control system and method.
Summary of the invention
The purpose of the present invention is to provide a kind of lighting control equipments, system and method, of the existing technology to solve At least one of problem.
In order to achieve the above objectives, the present invention adopts the following technical solutions:
First aspect present invention provides a kind of lighting control equipment, comprising:
Multiple illumination host nodes form wireless mesh network between the multiple illumination host node, wherein one or more Lighting control commands are broadcasted other illumination host nodes to its wireless coverage by illumination host node;
Each illumination host node is corresponding to be illuminated from node, and the corresponding illumination of the illumination host node is constituted from node The lighting control commands are broadcast to corresponding illumination by star topology network, the illumination host node in the form of point-to-point communication From node,
Wherein each illumination host node and illumination include controller and light source from node, and the controller is used for basis The lighting control commands control the light source and are illuminated.
The lighting control equipment that first aspect present invention provides, using wireless mesh network (Mesh network) and Star topology The double-deck networking mode of network is realized the reasonable utilization and distribution of the energy by intensive energy management mode, makes illumination system System is more energy-saving and environmentally friendly, and has many advantages, such as that low cost, low-power consumption, high reliability, systemic openness are strong, is suitable for market, underground A variety of places such as garage, warehouse.
Optionally, the lighting control commands are from forming the wireless mesh network with the multiple illumination host node Terminal device.Using this optional way, so that user can control illumination host node and illumination from section by terminal devices such as mobile phones The illumination working condition of point.
Optionally, the controller of the illumination host node includes the infrared sensor for sensing environmental information, the control Device processed generates the lighting control commands according to the sensing result of the infrared sensor.Using this optional way, it can be achieved that according to Bright host node control its own and corresponding illumination from the automatic illuminating of node according to environmental information.Market, In the places such as underground garage, warehouse, using infrared sensor can accurate sense whether have the objects such as personnel, vehicle process, thus Illumination host node can be achieved to open the illumination of its own when there are the objects such as personnel, vehicle to pass through or improve the illumination brightness of its own Degree, linkage open corresponding illumination and illuminate or improve illumination luminance of the corresponding illumination from node from node;? There is no the objects such as personnel, vehicle to close the illumination of its own when passing through or reduce the illumination luminance of its own, linkage close with Its corresponding illumination illuminates or reduces illumination luminance of the corresponding illumination from node from node.Wherein, only main section is being illuminated Infrared sensor is arranged in point can reduce cost.
Optionally,
The controller of the illumination host node includes the infrared sensor for sensing environmental information,
The lighting control commands are from the terminal for forming the wireless mesh network with the multiple illumination host node First lighting control commands of equipment and the second photograph generated by the controller according to the sensing result of the infrared sensor Bright control command,
Wherein the priority of the second lighting control commands is higher than first lighting control commands.
Using this optional way, it can be achieved that user carries out Lighting control by terminal device and equipment carries out automatic illuminating control The dual illumination control mechanism of system, control mode is more flexible, and application scenarios are more extensive.
Optionally, the controller includes pulse width modulated dimmer device, and pulse width modulation (PWM) light modulator is rung It is gradually bright or fade off to control corresponding light source that lighting control commands described in Ying Yu generate modulated signal.Using this optional way, It is gradually dark that getting brighter for light can be achieved, avoid dashing forward and bright prominent secretly cause dazzling dizziness to user.In addition, in the feelings that light source is LED light source Under condition, also have the advantage that first, the accurate shape of control is high using the illumination luminance of PWM control LED light;The second, photograph can be reduced Bright cost extends LED light service life;Third can be controlled by PWM, control the bright dark duty ratio of LED light, and then can be realized It allows LED light rotation " rest ", to further decrease power consumption.
Optionally, the controller includes timer, the corresponding photograph of the light source for controlling the illumination host node The bright light source synchronous from node is gradually bright or fades off.
Optionally,
The controller further includes visible light sensor,
Taboo when wherein the controller is higher than predetermined threshold in response to the ambient brightness that the visible light sensor senses With the infrared sensor, and when ambient brightness sensed in response to the visible light sensor is lower than predetermined threshold, is enabled The infrared sensor.
Using this optional way, the automatic illuminating of lighting control equipment can be opened or closed based on the sensing to ambient brightness Control, is further ensured that energy-saving and environment-friendly effect.
Second aspect of the present invention provides a kind of lighting control equipment, comprising:
Multiple illumination host nodes form wireless mesh network between the multiple illumination host node, wherein one or more Lighting control commands are broadcasted other illumination host nodes to its wireless coverage by illumination host node;
Each illumination host node is corresponding to be illuminated from node, and the corresponding illumination of the illumination host node is constituted from node The lighting control commands are broadcast to corresponding illumination by star topology network, the illumination host node in the form of point-to-point communication From node,
Wherein
Each illumination host node and illumination include controller and light source from node, and the controller is used for according to Lighting control commands control the light source and are illuminated;
The controller of the illumination host node includes infrared sensor for sensing environmental information, the controller according to The sensing result of the infrared sensor generates the lighting control commands;
The controller includes pulse width modulated dimmer device, and the pulse width modulated dimmer device is in response to the illumination It is gradually bright or fade off to control corresponding light source that control command generates modulated signal;
The controller includes timer, for controlling the corresponding illumination of the light source for illuminating host node from node Light source synchronous it is gradually bright or fade off.
Third aspect present invention provides a kind of illumination control of lighting control equipment provided using second aspect of the present invention Method processed, comprising:
The infrared sensor of the illumination host node senses environmental information;
The controller of the illumination host node judges whether sensed environmental information effective, if invalid information, then after It is continuous to enable the infrared sensor and continue to sense, if effective information, then disable the infrared sensor and described in generating Lighting control commands are simultaneously broadcasted;
The controller of the illumination host node listens to feedback information of the illumination from node, if listening to, judges whether to come From its corresponding illumination from node, if it is not, then continuing to listen to the feedback information, if so, stopping the broadcast and starting institute It states timer and carries out Timing synchronization;
The pulse width modulated dimmer device generates modulated signal to control corresponding light source within a modulation period It is gradually bright or fade off;
The timer stops timing after a modulation period, enables the infrared sensor and re-starts sense It surveys.
Fourth aspect present invention provides a kind of lighting control system, comprising:
Terminal device;
Multiple illumination host nodes form wireless mesh network between the multiple illumination host node and the terminal device, Wherein one or more illumination host nodes broadcast the lighting control commands from the terminal device to its wireless coverage Interior other illumination host nodes;
Each illumination host node is corresponding to be illuminated from node, and the corresponding illumination of the illumination host node is constituted from node The lighting control commands are broadcast to corresponding illumination by star topology network, the illumination host node in the form of point-to-point communication From node,
Wherein
Each illumination host node and illumination include controller and light source from node, and the controller is used for according to Lighting control commands control the light source and are illuminated;
The controller includes pulse width modulated dimmer device, and the pulse width modulated dimmer device is in response to the illumination It is gradually bright or fade off to control corresponding light source that control command generates modulated signal;
The controller includes timer, for controlling the corresponding illumination of the light source for illuminating host node from node Light source synchronous it is gradually bright or fade off.
Fifth aspect present invention provides a kind of illumination control of lighting control system provided using fourth aspect present invention Method processed, comprising:
The controller of the illumination host node listens to the lighting control commands from the terminal device, if listening to, It is parsed to determine whether the lighting control commands for itself, if it is not, being then forwarded to the lighting control commands other Host node is illuminated, if so, the lighting control commands are broadcasted;
The controller of the illumination host node listens to feedback information of the illumination from node, if listening to, judges whether to come From its corresponding illumination from node, if it is not, then continuing to listen to the feedback information, if so, stopping the broadcast and starting institute It states timer and carries out Timing synchronization;
The pulse width modulated dimmer device generates modulated signal to control corresponding light source within a modulation period It is gradually bright or fade off;
The timer stops timing after a modulation period, enables the controller and continues to listen to the illumination Control command.
Sixth aspect present invention provides a kind of lighting control system, comprising:
Terminal device generates the first lighting control commands;
Multiple illumination host nodes form wireless mesh network between the multiple illumination host node and the terminal device, Wherein one or more illumination host nodes broadcast the first lighting control commands from the terminal device to its wireless coverage Other illumination host nodes in range;
Each illumination host node is corresponding to be illuminated from node, and the corresponding illumination of the illumination host node is constituted from node The lighting control commands are broadcast to corresponding illumination by star topology network, the illumination host node in the form of point-to-point communication From node,
Wherein each illumination host node and illumination from node include controller, light source, each illumination host node Including the infrared sensor for sensing environmental information, the controller of the illumination host node is used for according to the infrared sensor Sensing result generate the second lighting control commands;
The controller controls the light source according to the described first and/or second lighting control commands and is illuminated.
Optionally, the controller includes pulse width modulated dimmer device, the pulse width modulated dimmer device in response to It is gradually bright or fade off to control corresponding light source that the lighting control commands generate modulated signal.
Optionally, the controller includes timer, the corresponding photograph of the light source for controlling the illumination host node The bright light source synchronous from node is gradually bright or fades off.
Optionally, the priority of the second lighting control commands is higher than first lighting control commands.
Beneficial effects of the present invention are as follows:
Technical solution of the present invention is using Mesh network and the double-deck networking mode of star topology network, by intensive Energy management mode realize the reasonable utilization and distribution of the energy, be more energy-saving and environmentally friendly lighting system, there is low cost, low function The advantages that consumption, high reliability, strong systemic openness, is suitable for a variety of places such as market, underground garage, warehouse.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing;
Fig. 1 shows the schematic diagram of the lighting control equipment of one embodiment of the present of invention offer.
Fig. 2 shows the schematic diagrames of pwm control signal output mode.
Fig. 3 shows the schematic diagram of the pwm control signal of different duty and signal frequency.
Fig. 4 show another embodiment of the present invention provides illumination control method flow chart.
Fig. 5 shows the schematic diagram of the lighting control system of yet another embodiment of the present invention offer.
Fig. 6 shows the flow chart of the illumination control method using the lighting control system shown in Fig. 5.
Specific embodiment
In order to illustrate more clearly of the present invention, the present invention is done further below with reference to preferred embodiments and drawings It is bright.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that institute is specific below The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
As shown in Figure 1, An embodiment provides a kind of lighting control equipments, comprising:
Multiple illumination host nodes form wireless mesh network between the multiple illumination host node, wherein one or more Lighting control commands are broadcasted other illumination host nodes to its wireless coverage by illumination host node;
Each illumination host node is corresponding to be illuminated from node, and the corresponding illumination of the illumination host node is constituted from node The lighting control commands are broadcast to corresponding illumination by star topology network, the illumination host node in the form of point-to-point communication From node,
Wherein each illumination host node and illumination include controller and light source from node, and the controller is used for basis The lighting control commands control the light source and are illuminated.
It will be appreciated that illumination host node with illumination from node it is corresponding can be regarded as illuminate host node and illumination it is same from node Group, three illumination host nodes and nine illuminations is shown in Fig. 1 from node, according to the corresponding illumination of illumination host node from node Corresponding relationship is divided into three groups, has an illumination host node and corresponding illumination from node in every group.
Lighting control equipment provided in this embodiment, using wireless mesh network (Mesh network) and star topology network The double-deck networking mode is realized the reasonable utilization and distribution of the energy by intensive energy management mode, makes lighting system more Energy conservation and environmental protection has many advantages, such as that low cost, low-power consumption, high reliability, systemic openness are strong, is suitable for market, underground garage, storehouse A variety of places such as library.
In some optional implementations of the present embodiment, the lighting control commands come to be led with the multiple illumination Node forms the terminal device of the wireless mesh network.Using this implementation, so that user can be set by terminals such as mobile phones Standby control illuminates the illumination working condition of host node and illumination from node.User can press and divide for example, by terminal devices such as mobile phones The lighting nodes of group control dispersed placement are illuminated, and are illuminated by illumination host node linkage control from node.Wherein, illumination from Node, which is added without Mesh network, can reduce the transmission delay of Mesh network, and illumination host node is generally disposed at such as underground garage and enters The key positions such as mouth.In addition, since illumination host node passes through star topology network for lighting control commands with point-to-point communication shape Formula is broadcast to corresponding illumination from node, and therefore, the illumination of illumination host node and corresponding (in other words with its same group) is from section The distance between point is usually arranged as being no more than 200 meters.In one scenario, user come off duty no longer need when turning off the light it is each Floor closes light, can send order of turning off the light to the illumination host node of some or certain floors by cell phone application, then led by illumination Node forwards order of turning off the light from node to the illumination of same floor (distributing to a group), can be realized through cell phone application to certain One key of each lighting nodes of a or certain floors is closed.
In a specific example, Mesh network uses BLE Mesh network, and illumination host node passes through star topology network Lighting control commands are broadcast to corresponding illumination from node with the Beacon forms of broadcasting, the concrete mode of the double-deck networking is as follows:
First layer is the BLE Mesh network of the illumination host node composition in terminal device and each group, respectively illuminates main section first Point support BLE Mesh network, by starting configuration equipment (can be above-mentioned terminal device, such as mobile phone, tablet computer etc.) into Row management, starting configuration equipment each illumination host node is configured in network as node and is distributed netkey (NetKey) and Device keys (DevKey).NetKey is for enabling illumination host node to solve the data (lighting control commands) of network layer Close and verifying, to execute the network functions such as relaying, but network application data can not be decrypted, to can guarantee network peace Quan Xing protects network from relay attack.The lighting control commands that DevKey is used to guarantee that terminal device is sent act on accordingly Illumination host node.After networking, terminal device can be with the illumination of each illumination host node of multi-to-multi or point-to-point control, each illumination Host node supports Relay feature (Trunk Characteristics) and Friend feature (Friend characteristic) simultaneously, to guarantee terminal The lighting control commands that equipment issues can be transferred to each illumination host node with actual time safety.It should be noted that BLE Mesh Node in network includes low power consumption node and Friend node.Wherein, low power consumption node can be by reducing radio frequency transceiver The duty ratio that (RF transceiver) is opened achievees the purpose that low-power consumption, these low power consumption nodes are only disappearing RF transceiver can be just opened when breath transmitting-receiving, other times are all in dormant state.And the node with Friend characteristic It is properly termed as Friend node, Friend node and low power consumption node can establish Friendship relationship, establish such relationship Later, Friend node can keep in the information for being sent to low power consumption node, to low power consumption node exit suspend mode and then from Friend node fetches relevant information.It will be appreciated that each illumination host node supports Trunk Characteristics and Friend characteristic simultaneously It is not meant to each illumination host node while there is Trunk Characteristics and Friend characteristic, it can be by some or certain main sections of illumination Point is configured to the low power consumption node with Trunk Characteristics.
The second layer is each illumination host node and the star that forms from node of illumination corresponding, as its subordinate's node Topological network, wherein BLE Mesh network is not supported in illumination from node, illuminates host node and illumination passes through between node This group of ID (can set up star when illumination host node receives the lighting control commands of terminal device sending by Beacon communication Pre-seted when shape topological network) and lighting control commands be packaged as after data packet being issued to each second with the Beacon forms of broadcasting Lighting device node, to realize systematization control.In second layer grouping management, illumination host node is broadcasted by Beacon to be controlled Several illuminations are made from node.
In some optional implementations of the present embodiment, the controller of the illumination host node includes for sensing ring The infrared sensor of border information, the controller generate the Lighting control according to the sensing result of the infrared sensor and order It enables.Using this implementation, it can be achieved that illumination host node according to environmental information carry out to its own and corresponding illumination from The automatic illuminating of node controls.In the places such as market, underground garage, warehouse, infrared sensor can accurate sense whether someone The objects such as member, vehicle pass through, to can realize that illumination host node opens the photograph of its own when there is the objects such as personnel, vehicle to pass through Bright or improve its own illumination luminance, linkage opens corresponding illumination and illuminates or improve corresponding photograph from node The bright illumination luminance from node;The illumination of its own is closed when the objects such as no personnel, vehicle pass through or reduces its own Luminance is illuminated, linkage closes corresponding illumination and illuminates or reduce illumination brightness of the corresponding illumination from node from node Degree, it will be understood that, can according to illumination host node and illumination from the position that node be arranged, will illumination host node and/or illuminate from Node is configured that illumination host node improves the mode of luminance and the low luminance of delay using delay unlatching and late release, or delay, Control its own carry out illumination linkage control with its with group illumination from node and/or other illuminate host nodes illuminated. Wherein, only setting infrared sensor can reduce cost in illumination host node, it will be understood that, it can also be set from node in illumination Sensor is set, so that illumination can carry out automatically the Lighting control to its own from node according to environmental information.
In some optional implementations of the present embodiment,
The controller of the illumination host node includes the infrared sensor for sensing environmental information,
The lighting control commands are from the terminal for forming the wireless mesh network with the multiple illumination host node First lighting control commands of equipment and the second photograph generated by the controller according to the sensing result of the infrared sensor Bright control command,
Wherein the priority of the second lighting control commands is higher than first lighting control commands.
Using this implementation, it can be achieved that user carries out Lighting control by terminal device and equipment carries out automatic illuminating control The dual illumination control mechanism of system, the advantages of both having combined Mesh network ad hoc network (safety encryption, low-power consumption, ad hoc network etc.), The automation control of Local Area Network can be realized by infrared sensor again;Both passive control can be realized by terminal device, It can also independently perceive and realize active control, control mode is more flexible, and application scenarios are more extensive.
In some optional implementations of the present embodiment, the controller includes pulse width modulated dimmer device, institute It states pulse width modulation (PWM) light modulator and generates modulated signal in response to the lighting control commands to control corresponding light source It is gradually bright or fade off.Using this implementation, it can be achieved that getting brighter for light is gradually dark, avoid dashing forward it is bright it is prominent secretly caused to user it is dazzling dizzy It is dizzy.In addition, also having the advantage that the using the illumination luminance of PWM control LED light in the case where light source is LED light source One, it is high to control accurate shape;The second, illumination cost can be reduced, LED light service life is extended;Third can be controlled by PWM, control The bright dark duty ratio of LED light, and then can realize and allow LED light rotation " rest ", to further decrease power consumption.
In some optional implementations of the present embodiment, PWM light modulator includes for exporting preset different duties When multiple pwm control signal output channels of the pwm control signal of signal frequency.Using this implementation, control can be promoted Real-time.It will be appreciated that the duty ratio that PWM light modulator adjusts the pwm control signal all the way of its output respectively can also be used And the mode of signal frequency, it realizes the light on and off of the corresponding light source of control, gradually bright fade off process and illumination luminance grade.
In some optional implementations of the present embodiment, the controller includes timer, for controlling the photograph The light source synchronous of the corresponding illumination of the light source of bright host node from node is gradually bright or fades off.
In some optional implementations of the present embodiment,
The controller further includes visible light sensor,
Taboo when wherein the controller is higher than predetermined threshold in response to the ambient brightness that the visible light sensor senses With the infrared sensor, and when ambient brightness sensed in response to the visible light sensor is lower than predetermined threshold, is enabled The infrared sensor.
Using this implementation, the automatic illuminating of lighting control equipment can be opened or closed based on the sensing to ambient brightness Control, is further ensured that energy-saving and environment-friendly effect.It will be appreciated that can also be by the way that one be arranged in the circuit of infrared sensor The automatic illuminating control that lighting control equipment is opened or closed based on the sensing to ambient brightness is realized in photo resistance.
In some optional implementations of the present embodiment, the controller generates control signal periodically also to control Corresponding light source timing is bright or goes out.Using this implementation, it can be achieved that time opening and closing light source, or timing are promoted and reduced The luminance of light source, to reduce power consumption.For example, the underground garage of office building is throughout the year rather dark, can be incited somebody to action according to actual use situation It is divided within one day peak period, ordinary period, next and rest period, is arranged from node in illumination host node and illumination and is stored with The memory of Time segments division rule makes controller automatically control the light on and off or illumination of corresponding light source according to Time segments division rule Luminance.
In some optional implementations of the present embodiment, in the case where light source is LED light source, the drive of LED light source Dynamic power supply is pulsed constant current supply.By the positive C-V characteristic of LED light (especially white LED lamp) it is found that when LED light end voltage is super After crossing its forward conduction voltage, lesser voltage fluctuation can all lead to the acute variation of operating current, to influence normal use. Therefore, it can guarantee the normal use of LED light source using this optional way.
In a specific example, Mesh network uses BLE Mesh network, and light source uses LED light, to illuminate host node For illumination host node and illumination are illustrated from the hardware configuration of node: in this example, illuminate the control in host node Device and bluetooth module processed are integrated in the MCU realization using BLE chip nRF52832, there is -96dBm reception under low-power consumption mode BLE5.0 and bluetooth Mesh agreement are supported in sensitivity, increase channel error correction coding, and effective propagation path can reach 500 meters.BLE 3 PWM light modulators of built-in chip type, it is possible to provide 12 road pwm control signal output channels, each channel can be different by configuring COMP value (fiducial value) exports the pwm control signal of different duty and signal frequency, to realize light on and off to LED light, gradually It is bright to fade off process and multistage illumination luminance adjusting.LED light includes multiple LED high brightness low power LEDs, between them Using mode parallel with one another, it can be achieved that high-speed switch.The driving power of LED light uses PT4115 type pulsed constant current supply.Infrared biography Sensor uses RE200B type infrared detector, and the main process task chip of the infrared detector is BISS0001 (by operational amplifier, electricity Press comparator, state controller, delay time timer and blocking time timer to constitute), in practical applications, as personnel or When vehicle is close to the infrared detector, amplifier is first once amplified signal, is then coupled to two-stage amplifier and is carried out two Secondary amplification, while DC potential being raised to the two-way amplitude discriminator that comparator COP1 and COP2 composition are sent to after 0.5V, detection has Effect trigger signal Vs is output to the external interrupt port (External Interrupt) of MCU.
Wherein, as shown in Fig. 2, pwm control signal output mode uses Up and Down mode, with two PWM control letters For the output port " OUT0 and OUT 1 " of number output channel, by the way that different COMP values " COMP0 and COMP1 " is respectively configured, " OUT 0 and OUT 1 " may make to export the pwm control signal of different duty ratios.Process are as follows: counter start from scratch it is incremental, The level overturning of the OUT output when value is equal to COMP, starts to successively decrease, be equal to for the second time equal to Counter top hour counter The level that OUT is exported when COMP is overturn again, to realize the low and high level variation in a PWM cycle, COMP value determines high Low level duty ratio, and Counter top determines the signal period size of pwm control signal.It is different by configuring 12 COMP value and Counter top value, as shown in Figure 3, it can be achieved that 12 road pwm control signal output channels output different duty and The pwm control signal of signal frequency meets the differentiated illumination of different scenes to can realize that LED light multistage illuminates luminance, with The service life for reducing power consumption, extending LED light.
Another embodiment of the present invention provides a kind of lighting control equipments, comprising:
Multiple illumination host nodes form wireless mesh network between the multiple illumination host node, wherein one or more Lighting control commands are broadcasted other illumination host nodes to its wireless coverage by illumination host node;
Each illumination host node is corresponding to be illuminated from node, and the corresponding illumination of the illumination host node is constituted from node The lighting control commands are broadcast to corresponding illumination by star topology network, the illumination host node in the form of point-to-point communication From node,
Wherein
Each illumination host node and illumination include controller and light source from node, and the controller is used for according to Lighting control commands control the light source and are illuminated;
The controller of the illumination host node includes infrared sensor for sensing environmental information, the controller according to The sensing result of the infrared sensor generates the lighting control commands;
The controller includes pulse width modulated dimmer device, and the pulse width modulated dimmer device is in response to the illumination It is gradually bright or fade off to control corresponding light source that control command generates modulated signal;
The controller includes timer, for controlling the corresponding illumination of the light source for illuminating host node from node Light source synchronous it is gradually bright or fade off.
It should be noted that the lighting control equipment that lighting control equipment provided in this embodiment and previous embodiment provide Principle and workflow it is similar, related place is referred to above description, and details are not described herein.
Further, as shown in figure 4, the present embodiment additionally provide it is a kind of using lighting control equipment provided in this embodiment Illumination control method, comprising:
The infrared sensor of the illumination host node senses environmental information;
The controller of the illumination host node judges whether sensed environmental information effective, if invalid information, then after It is continuous to enable the infrared sensor and continue to sense, if effective information, then disable the infrared sensor and described in generating Lighting control commands are simultaneously broadcasted;
The controller of the illumination host node listens to feedback information of the illumination from node, if listening to, judges whether to come From its corresponding illumination from node, if it is not, then continuing to listen to the feedback information, if so, stopping the broadcast and starting institute It states timer and carries out Timing synchronization;
The pulse width modulated dimmer device generates modulated signal to control corresponding light source within a modulation period It is gradually bright or fade off;
The timer stops timing after a modulation period, enables the infrared sensor and re-starts sense It surveys.
As shown in figure 5, yet another embodiment of the present invention provides a kind of lighting control system, comprising:
Terminal device;
Multiple illumination host nodes form wireless mesh network between the multiple illumination host node and the terminal device, Wherein one or more illumination host nodes broadcast the lighting control commands from the terminal device to its wireless coverage Interior other illumination host nodes;
Each illumination host node is corresponding to be illuminated from node, and the corresponding illumination of the illumination host node is constituted from node The lighting control commands are broadcast to corresponding illumination by star topology network, the illumination host node in the form of point-to-point communication From node,
Wherein
Each illumination host node and illumination include controller and light source from node, and the controller is used for according to Lighting control commands control the light source and are illuminated;
The controller includes pulse width modulated dimmer device, and the pulse width modulated dimmer device is in response to the illumination It is gradually bright or fade off to control corresponding light source that control command generates modulated signal;
The controller includes timer, for controlling the corresponding illumination of the light source for illuminating host node from node Light source synchronous it is gradually bright or fade off.
It should be noted that the lighting control equipment that lighting control system provided in this embodiment and previous embodiment provide Principle and workflow it is similar, related place is referred to above description, and details are not described herein.
Further, as shown in fig. 6, the present embodiment additionally provide it is a kind of using lighting control system provided in this embodiment Illumination control method, comprising:
The controller of the illumination host node listens to the lighting control commands from the terminal device, if listening to, It is parsed to determine whether the lighting control commands for itself, if it is not, being then forwarded to the lighting control commands other Host node is illuminated, if so, the lighting control commands are broadcasted;
The controller of the illumination host node listens to feedback information of the illumination from node, if listening to, judges whether to come From its corresponding illumination from node, if it is not, then continuing to listen to the feedback information, if so, stopping the broadcast and starting institute It states timer and carries out Timing synchronization;
The pulse width modulated dimmer device generates modulated signal to control corresponding light source within a modulation period It is gradually bright or fade off;
The timer stops timing after a modulation period, enables the controller and continues to listen to the illumination Control command.
Another embodiment of the invention provides a kind of lighting control system, comprising:
Terminal device generates the first lighting control commands;
Multiple illumination host nodes form wireless mesh network between the multiple illumination host node and the terminal device, Wherein one or more illumination host nodes broadcast the first lighting control commands from the terminal device to its wireless coverage Other illumination host nodes in range;
Each illumination host node is corresponding to be illuminated from node, and the corresponding illumination of the illumination host node is constituted from node The lighting control commands are broadcast to corresponding illumination by star topology network, the illumination host node in the form of point-to-point communication From node,
Wherein each illumination host node and illumination from node include controller, light source, each illumination host node Including the infrared sensor for sensing environmental information, the controller of the illumination host node is used for according to the infrared sensor Sensing result generate the second lighting control commands;
The controller controls the light source according to the described first and/or second lighting control commands and is illuminated.
In some optional implementations of the present embodiment, the controller includes pulse width modulated dimmer device, institute It is gradually bright to control corresponding light source in response to lighting control commands generation modulated signal to state pulse width modulated dimmer device Or it fades off.
In some optional implementations of the present embodiment, the controller includes timer, for controlling the photograph The light source synchronous of the corresponding illumination of the light source of bright host node from node is gradually bright or fades off.
In some optional implementations of the present embodiment, the priority of the second lighting control commands is higher than described first Lighting control commands.
It should be noted that the lighting control equipment that lighting control system provided in this embodiment and previous embodiment provide Principle and workflow it is similar, related place is referred to above description, and details are not described herein.
It should be noted that in the description of the present invention, relational terms such as first and second and the like are used merely to It distinguishes one entity or operation from another entity or operation, without necessarily requiring or implying these entities or behaviour There are any actual relationship or orders between work.Moreover, the terms "include", "comprise" or its any other variant It is intended to non-exclusive inclusion, so that including that the process, method, article or equipment of a series of elements not only includes Those elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or The intrinsic element of person's equipment.In the absence of more restrictions, the element limited by sentence "including a ...", not There is also other identical elements in the process, method, article or apparatus that includes the element for exclusion.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair The restriction of embodiments of the present invention for those of ordinary skill in the art on the basis of the above description can be with It makes other variations or changes in different ways, all embodiments can not be exhaustive here, it is all to belong to the present invention The obvious changes or variations extended out of technical solution still in the scope of protection of the present invention.

Claims (15)

1. a kind of lighting control equipment characterized by comprising
Multiple illumination host nodes form wireless mesh network between the multiple illumination host node, wherein one or more illuminations Lighting control commands are broadcasted other illumination host nodes to its wireless coverage by host node;
Each illumination host node is corresponding to be illuminated from node, and the corresponding illumination of the illumination host node constitutes star from node The lighting control commands are broadcast to corresponding illumination from section by topological network, the illumination host node in the form of point-to-point communication Point,
Wherein each illumination host node and illumination include controller and light source from node, and the controller is used for according to Lighting control commands control the light source and are illuminated.
2. equipment according to claim 1, which is characterized in that
The lighting control commands are from the terminal device for forming the wireless mesh network with the multiple illumination host node.
3. equipment according to claim 1, which is characterized in that
The controller of the illumination host node includes the infrared sensor for sensing environmental information, and the controller is according to The sensing result of infrared sensor generates the lighting control commands.
4. equipment according to claim 1, which is characterized in that
The controller of the illumination host node includes the infrared sensor for sensing environmental information,
The lighting control commands are from the terminal device for forming the wireless mesh network with the multiple illumination host node The first lighting control commands and by the controller according to the sensing result of the infrared sensor generate second illumination control System order,
Wherein the priority of the second lighting control commands is higher than first lighting control commands.
5. equipment according to claim 1, which is characterized in that
The controller includes pulse width modulated dimmer device, and the pulse width modulated dimmer device is in response to the Lighting control It is gradually bright or fade off to control corresponding light source that order generates modulated signal.
6. equipment according to claim 5, which is characterized in that
The controller includes timer, light of the corresponding illumination of the light source for controlling the illumination host node from node Source is synchronous gradually bright or fades off.
7. equipment according to claim 3 or 4, which is characterized in that
The controller further includes visible light sensor,
Institute is disabled when wherein the controller is higher than predetermined threshold in response to the ambient brightness that the visible light sensor senses It is enabled described when the ambient brightness stating infrared sensor, and sensing in response to the visible light sensor is lower than predetermined threshold Infrared sensor.
8. a kind of lighting control equipment characterized by comprising
Multiple illumination host nodes form wireless mesh network between the multiple illumination host node, wherein one or more illuminations Lighting control commands are broadcasted other illumination host nodes to its wireless coverage by host node;
Each illumination host node is corresponding to be illuminated from node, and the corresponding illumination of the illumination host node constitutes star from node The lighting control commands are broadcast to corresponding illumination from section by topological network, the illumination host node in the form of point-to-point communication Point,
Wherein
Each illumination host node and illumination include controller and light source from node, and the controller is used for according to the illumination Control command controls the light source and is illuminated;
The controller of the illumination host node includes the infrared sensor for sensing environmental information, and the controller is according to The sensing result of infrared sensor generates the lighting control commands;
The controller includes pulse width modulated dimmer device, and the pulse width modulated dimmer device is in response to the Lighting control It is gradually bright or fade off to control corresponding light source that order generates modulated signal;
The controller includes timer, light of the corresponding illumination of the light source for controlling the illumination host node from node Source is synchronous gradually bright or fades off.
9. a kind of illumination control method using equipment described in claim 8 characterized by comprising
The infrared sensor of the illumination host node senses environmental information;
The controller of the illumination host node judges whether sensed environmental information is effective, if invalid information, then continues to make The energy infrared sensor continues to sense, and if effective information, then disables the infrared sensor and generates the illumination Control command is simultaneously broadcasted;
The controller of the illumination host node listens to feedback information of the illumination from node, if listening to, judges whether from it Corresponding illumination is from node, if it is not, then continuing to listen to the feedback information, if so, stopping the broadcast and starting the meter When device carry out Timing synchronization;
It is gradually bright within a modulation period to control corresponding light source that the pulse width modulated dimmer device generates modulated signal Or it fades off;
The timer stops timing after a modulation period, enables the infrared sensor and re-starts sensing.
10. a kind of lighting control system characterized by comprising
Terminal device;
Multiple illumination host nodes form wireless mesh network between the multiple illumination host node and the terminal device, wherein One or more illumination host node broadcasts the lighting control commands from the terminal device to its wireless coverage Other illumination host nodes;
Each illumination host node is corresponding to be illuminated from node, and the corresponding illumination of the illumination host node constitutes star from node The lighting control commands are broadcast to corresponding illumination from section by topological network, the illumination host node in the form of point-to-point communication Point,
Wherein
Each illumination host node and illumination include controller and light source from node, and the controller is used for according to the illumination Control command controls the light source and is illuminated;
The controller includes pulse width modulated dimmer device, and the pulse width modulated dimmer device is in response to the Lighting control It is gradually bright or fade off to control corresponding light source that order generates modulated signal;
The controller includes timer, light of the corresponding illumination of the light source for controlling the illumination host node from node Source is synchronous gradually bright or fades off.
11. a kind of illumination control method using system described in claim 10 characterized by comprising
The controller of the illumination host node listens to the lighting control commands from the terminal device, if listening to, carries out Parsing is to determine whether the lighting control commands for itself, if it is not, the lighting control commands are then forwarded to other illuminations Host node, if so, the lighting control commands are broadcasted;
The controller of the illumination host node listens to feedback information of the illumination from node, if listening to, judges whether from it Corresponding illumination is from node, if it is not, then continuing to listen to the feedback information, if so, stopping the broadcast and starting the meter When device carry out Timing synchronization;
It is gradually bright within a modulation period to control corresponding light source that the pulse width modulated dimmer device generates modulated signal Or it fades off;
The timer stops timing after a modulation period, enables the controller and continues to listen to the Lighting control Order.
12. a kind of lighting control system characterized by comprising
Terminal device generates the first lighting control commands;
Multiple illumination host nodes form wireless mesh network between the multiple illumination host node and the terminal device, wherein One or more illumination host node broadcasts the first lighting control commands from the terminal device to its wireless coverage Interior other illumination host nodes;
Each illumination host node is corresponding to be illuminated from node, and the corresponding illumination of the illumination host node constitutes star from node The lighting control commands are broadcast to corresponding illumination from section by topological network, the illumination host node in the form of point-to-point communication Point,
Wherein each illumination host node and illumination include controller, light source from node, and each illumination host node includes For sensing the infrared sensor of environmental information, the controller of the illumination host node is used for the sense according to the infrared sensor It surveys result and generates the second lighting control commands;
The controller controls the light source according to the described first and/or second lighting control commands and is illuminated.
13. system according to claim 12, which is characterized in that
The controller includes pulse width modulated dimmer device, and the pulse width modulated dimmer device is in response to the Lighting control It is gradually bright or fade off to control corresponding light source that order generates modulated signal.
14. system according to claim 13, which is characterized in that the controller includes timer, described for controlling The light source synchronous of the light source of illumination host node corresponding illumination from node is gradually bright or fades off.
15. system described in any one of 2-14 according to claim 1, which is characterized in that
The priority of second lighting control commands is higher than first lighting control commands.
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