CN110191545A - A kind of control system of lighting apparatus - Google Patents
A kind of control system of lighting apparatus Download PDFInfo
- Publication number
- CN110191545A CN110191545A CN201910561507.7A CN201910561507A CN110191545A CN 110191545 A CN110191545 A CN 110191545A CN 201910561507 A CN201910561507 A CN 201910561507A CN 110191545 A CN110191545 A CN 110191545A
- Authority
- CN
- China
- Prior art keywords
- dali
- signal
- control
- micro
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention provides a kind of control systems of lighting apparatus, including remote control terminal, and the light fixture with remote control terminal communication connection, and light fixture includes: gateway, is communicated to connect with remote control terminal, receive the control instruction that remote control terminal issues；Lighting apparatus is communicated to connect with gateway, receives control instruction, wherein lighting apparatus includes: main control module, which is provided with ZHAGA interface, establishes Zigbee communication with gateway and connect, and forms the dim signal based on DALI agreement according to control instruction；Drive module is connect with main control module by DALI bus, changes the output electric current exported outward according to dim signal；Illumination component is electrically connected with drive module, is received output electric current and is illuminated.After adopting the above technical scheme, can improve the flexibility of control system while realizing that energy consumption reduces, reduce the cost of maintenance.
Description
Technical field
The present invention relates to field of intelligent control more particularly to a kind of control systems of lighting apparatus.
Background technique
It is also more abundant for the driving method of digital driving power with the popularization of LED digital driving power.Such as base
In DC light modulation, PWM light modulation, the light modulation of DALI agreement etc..Wherein DALI is Digital Addressable Lighting
The abbreviation of Interface looks like and has made for " digital addressable lighting interface " as current state-of-the-art digital dimming technology
For the standard of world light modulation.
The hardware electrical characteristic of dimming interface defined in DALI standard further include have the order of CPU, therefore each
It must have the order that CPU receives DALI in DALI dimming ballast, then decode pwm signal, then defeated to PWM light modulation chip
On, achieve the purpose that adjust light, this agreement ratio DMX is complicated very much, and is directed to each different types of light, DALI
Different standard descriptions is all made in standard.When specific product uses upper, need to carry out the adaptation adjustment of every product.
DALI agreement led dimming arrangement is small, at low cost with its development difficulty, is easy to the advantages that extending, is practical, display
Powerful advantages in intelligent lighting controls field out.But since the dimming arrangement currently based on DALI agreement is still to install light modulation additional
Therefore manually adjusting to be more after switch still lacks more intelligent dimming strategies.
In addition, it is different for the structural requirement of DALI controller under different application scene, it results in face of different applications
When environment, application client and docking light source, it is required to additionally configure special DALI controller every time, universality is poor.
Therefore, it is necessary to a kind of structure is simple, and the control system of the lighting apparatus with Intelligent Control Strategy, in conjunction with DALI
The support of agreement occupies small in size, digital power power supply with it, DALI bus avoids advantage of field connection difficulty etc., satisfaction
All kinds of use demands.
Summary of the invention
In order to overcome the above technical defects, the purpose of the present invention is to provide a kind of control systems of lighting apparatus, realize
While energy consumption reduces, improves the flexibility of control system, reduces the cost of maintenance.
The invention discloses a kind of control systems of lighting apparatus, including remote control terminal, and communicate with remote control terminal
The light fixture of connection, light fixture include:
Gateway is communicated to connect with remote control terminal, receives the control instruction that remote control terminal issues；
Lighting apparatus is communicated to connect with gateway, receives control instruction, wherein lighting apparatus includes:
Main control module which is provided with ZHAGA interface, establishes Zigbee communication with gateway and connect, is formed according to control instruction
Dim signal based on DALI agreement；
Drive module is connect with main control module by DALI bus, changes the output electric current exported outward according to dim signal；
Illumination component is electrically connected with drive module, is received output electric current and is illuminated.
Preferably, main control module includes:
Micro-control unit forms dim signal according to the control instruction received, wherein
Micro-control unit includes buffer area, and buffer area is stored with status information；
DALI converting unit, connect with micro-control unit, receives dim signal and dim signal is converted to digital signal to return
It is fed to micro-control unit.
Preferably, main control module further include:
Clock unit is connect with micro-control unit, is received the control temporal information that micro-control unit issues and is stored；
Micro-control unit is stored with Time Control Strategy, and micro-control unit, which is based on Time Control Strategy, to be controlled temporal information and work as
Preceding temporal information compares, and when control temporal information is matched with current time information, sends the light modulation based on simulation DALI agreement
Signal is to DALI converting unit.
Preferably, main control module further include:
GPS unit is connect with micro-control unit, the geographical location information of monitoring light equipment；
Micro-control unit is stored with position control strategy, and micro-control unit is based on position control strategy and geographical location information calculates
One sunrise time and/or sunset time；
Micro-control unit by sunrise time and/or sunset time compared with current time information, when sunrise time and/or at sunset
Between when being matched with current time information, send the dim signal based on simulation DALI agreement to DALI converting unit, wherein dimming
Signal includes open signal or shutdown signal.
Preferably, main control module further include:
Photo cell detects the current light degree information of lighting apparatus；
Micro-control unit is connect by acquisition pin with photo cell, and acquisition pin is believed based on the current light degree of photo cell
Breath forms a current level signal；
And micro-control unit is stored with illuminance control strategy, illuminance strategy includes the light corresponding to level signal threshold value
Illumination threshold, micro-control unit compared with current level signal, believe level signal threshold value when current level signal is located at level
When in number threshold value, the dim signal based on simulation DALI agreement is sent to DALI converting unit, wherein dim signal includes lightening
Signal dims signal.
Preferably, DALI converting unit includes:
DALI conversion circuit is connect with the IO of micro-control unit, receives dim signal, and dim signal is converted to DALI electric current
Signal；
Rectification circuit is connect with DALI conversion circuit, receives DALI current signal；
DALI bus circuit, is connected with the rectifying circuit, and receives DALI current signal and exports to connecting with DALI bus circuit
Drive module；
Comparator circuit is connect with DALI bus circuit, the input current received from the transmission of DALI bus circuit as power supply source,
And corresponding input voltage is converted by input current, input voltage is made comparisons with a reference voltage, with output digit signals；
Optocoupler U1 circuit, connect with comparator circuit, receives digital signal, and by the I/O port of micro-control unit to microcontroller list
Member sends the DALI signal based on low and high level.
Preferably, DALI conversion circuit includes:
Optocoupler U3 receives dim signal, and dim signal is converted to DALI current signal；
DALI bus circuit includes input terminal and output end, and input terminal is connected with the rectifying circuit, and receives DALI current signal, output
End is connect with comparator circuit, transmission input current to comparator circuit.
Preferably, comparator circuit includes:
Current input terminal is connect with DALI bus circuit, receives DALI current signal；
Amplifier Q1, connect with current input terminal, amplifies DALI current signal；
Diode D1, anode are connect with amplifier Q1；
Comparator U2 is connect with the cathode of diode D1, receives DALI current signal as power supply；
Voltage regulator circuit is connect with DALI bus circuit and comparator U2 respectively, forms a reference voltage according to DALI current signal；
The end IN+ of comparator U2 is also connect with DALI bus circuit, receives DALI current signal；
Comparator U2 compares DALI current signal and reference voltage, and exports a comparison result to a triode Q2 by OUT foot
Base stage, the emitter ground connection of triode Q2, collector and optocoupler U1 circuit connection, with according to comparison result to optocoupler U1 circuit
Send open signal or shutdown signal.
Preferably, voltage regulator circuit includes:
First capacitor C1, one end are connect with the cathode of diode D1, other end ground connection；
Divider resistance R3, one end are connect with the cathode of diode D1, and the other end is connect with the end IN- of comparator U2, to comparator
Output reference voltage；
Divider resistance R5, one end are connect with divider resistance R3, other end ground connection.
After above-mentioned technical proposal, compared with prior art, have the advantages that
1. increasing the strategy of intelligent dimming, it can be used for meeting the need of specific condition and part by the brightness adjustment control of hommization
It asks.
2. the use of ZHAGA interface may make light fixture to have IP65 waterproofing grade, meet outdoor application condition.
3. integrated local timing strategies and illuminance sensor can be according to local zone time or light in network failure
Illumination intensity realizes local switch lamp；
4. integrated GPS/ Beidou mould group when realizing local school, oneself can also calculate local sunrise by accurate longitude and latitude
Sunset time realizes local switch lamp according to sun set/raise time, when lamp failure, can Query lamp position, reduce fortune
Seek maintenance cost.
Detailed description of the invention
Fig. 1 is the system structure diagram for meeting the control system of lighting apparatus in one embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the main control module with ZHAGA interface；
Fig. 3 is the system structure signal for meeting main control module in the control system of lighting apparatus in one embodiment of the present invention
Figure；
Fig. 4 is the circuit design schematic diagram for meeting DALI converting unit in main control module in one embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing, the advantages of the present invention are further explained with specific embodiment.
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
It is only to be not intended to be limiting the disclosure merely for for the purpose of describing particular embodiments in the term that the disclosure uses.
The "an" of the singular used in disclosure and the accompanying claims book, " described " and "the" are also intended to including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the disclosure
A little information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example, not departing from
In the case where disclosure range, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination ".
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the connection being also possible to inside two elements can
, can also indirectly connected through an intermediary, for the ordinary skill in the art to be to be connected directly, it can basis
Concrete condition understands the concrete meaning of above-mentioned term.
In subsequent description, it is only using the suffix for indicating such as " module ", " component " or " unit " of element
Be conducive to explanation of the invention, itself there is no specific meanings.Therefore, " module " can mixedly make with " component "
With.
Refering to fig. 1, the control system to meet lighting apparatus in one embodiment of the present invention.In this embodiment, it shines
The control system of bright equipment includes:
Remote control terminal
Remote control terminal can be lighting apparatus, the control system of lighting apparatus, the software vendor of control system and be equal to cloud
The remote platform built, can framework on server, accessed as the control to other elements in control system.Namely
It says, when remote control terminal generation has control command, control command is issued to the other component in control system, other component
Corresponding operation will be executed according to the control command.It is understood that control command can be by user in remote control terminal
Place's input formed, can by preset tactful self-act travel, also converted and formed by the received remote command of institute.
Light fixture
Light fixture and remote control terminal communicate to connect, and issued control instruction are received from remote control terminal, and according to control
Instruction generates corresponding illuminating effect.Specifically, light fixture includes gateway and lighting apparatus, wherein gateway
To be connected to the medium between lighting apparatus and remote control terminal, the communication protocol main body of light fixture and remote control terminal is established,
For example, gateway is connect with remote control terminal by internet, the internal part of gateway and light fixture is based on
The communication connection such as Zigbee, LoRA, NB, 3G/4G.Lighting apparatus receives the control through gateway forwarding from gateway and refers to
It enables, and executes lighting operation corresponding with control instruction, to meet the needs of illuminating effect.
With continued reference to Fig. 1, in this embodiment, for Lighting control of the realization based on DALI agreement, lighting apparatus includes:
Main control module
Main control module is the DALI controller in lighting apparatus, thereon equipment ZHAGA interface, as shown in Fig. 2, ZHAGA interface
And on the one hand the waterproof and dustproof effect of main control module can be improved in the combination of main control module, on the other hand, in different applied fields
Under scape, when if desired docking has the installation equipment of distinct interface structure, light source, ZHAGA interface, which is based on standard interface, to be mentioned
For higher suitability, increase control system in the present invention can application scenarios and environment.Main control module is over the communication connection
It establishes Zigbee communication with gateway to connect, ZigBee is as a kind of low cost, the near radio networking communication of low-power consumption
Technical application is extensive, and by the Zigbee communication link, the control instruction that gateway issues remote control terminal is sent to master
Control module.As a result, main control module it is received be to be adapted to the control instruction of Zigbee protocol, be to realize that there is ZHAGA interface
The purpose that is dimmed based on DALI agreement of main control module, control instruction is converted to the light modulation based on DALI agreement by main control module to be believed
Number.It is understood that can have corresponding conversion unit to convert tool for the protocol signal of control instruction in main control module
There is the dim signal of DALI characteristics of signals.
Drive module
Drive module is connect with main control module by DALI bus, and DALI bus, can as the connection conductor based on DALI agreement
It is made of conducting wire or wireless network, is connect a light source with main control module with star or serial structure, drive module is from master control
After receiving the dim signal based on DALI agreement at module, corresponding adjust will be made for the adjustment of driving current according in dim signal
Section, so that the output electric current of output is the size corresponding to dim signal.In simple terms, when dim signal is desired for light
The brightness in source dims, and when contrast increases, drive module also will correspondingly reduce output electric current, or adjustment based on DALI agreement
The size of output pwm signal and interval.
Illumination component
Illumination component is electrically connected with drive module, such as based on the connection of DALI bus, reception drive module institute direct-connected using conducting wire
The output electric current of output, and to export electric current as source lighting.It is understood that since output electric current is in drive module side root
Made to adjust accordingly according to control instruction, therefore, illumination component can realize desired illumination according to the output electric current inputted
Effect.
Based on above-mentioned configuration, the characteristics such as ZHAGA interface on main control module is small in size with its, waterproofing grade is high can meet room
Outer illuminator requirement, that is to say, that the control system of the lighting apparatus based on DALI agreement and Zigbee communication agreement can be enriched
The operation of intelligentized control method is brought into huge numbers of families by the environment installed.Meanwhile the support and DALI bus of DALI agreement
Application, realize digital power power supply, while also can avoid field connection difficulty problem, finally successfully meet city Internet of Things
The demand of net.
Referring to Fig.2, main control module further comprises in a preferred embodiment: micro-control unit, such as model KL17
MCU deals with the instruction received as the signal processing and control unit of main control module, namely according to receiving
Control instruction, the cooperation through satisfactory circuit or other modules, is converted into dim signal.Communication module, such as Zigbee mould
Block or Lora module are connect by UART0 serial ports with micro-control unit.DC/DC conversion circuit, respectively with micro-control unit and logical
Believe module connection, provides the power supply of 3.3V to micro-control unit and communication unit.In addition, main control module further includes having DALI conversion
Unit is connect with micro-control unit, by micro-control unit it is received may be control instruction under analog signal standard, or
It is the control instruction under digital signal standard, to support DALI agreement, DALI converting unit that will receive tune from micro-control unit
Optical signal, and dim signal is converted into the DALI signal under digital signal standard, and be fed back to micro-control unit.DALI simultaneously
Converting unit is also used as the connection medium between micro-control unit and drive module, determines the output electric current of drive module and realizes
The low and high level input and output of DALI light modulation.
In further preferred embodiments, main control module further include: clock unit, such as the equipment comprising timer, and it is micro-
Control unit connection, receives the control temporal information automatically or according to user instructions formed in micro-control unit, and store
The control temporal information.Control temporal information in the present embodiment, refers to the expectation according to user, within a specified time executes phase
Answer the setting time of control instruction.Meanwhile Time Control Strategy is stored in micro-control unit, micro-control unit is according to the time
The requirement of control strategy makes comparisons the control temporal information being stored in clock unit with current time information, when control
Between information when being matched with current time information, at the time of being specified in Time Control Strategy under or it is specified at the time of it is preceding certain
Between period, micro-control unit will send the dim signal based on simulation DALI agreement to DALI converting unit.
Specifically, time control operation is described in detail with a specific example.Time control can be arranged in user in micro-control unit
Strategy, or Time Control Strategy is set in remote control terminal, such as by the application program that is mounted in remote control terminal or
Operation is realized in control platform.When the Time Control Strategy be set by the user for start, can be in application program or control platform
Time point is set as control temporal information, set time point can be one or more, while correspond to each time point,
The desired operation of the corresponding lighting apparatus of settable one or more is such as turned on light in first time point setting, the second time point
Setting is turned off the light, the setting of third time point dims parameter etc..User will directly deposit in the above-mentioned desired operation that micro-control unit inputs
Storage in micro-control unit, and the above-mentioned desired operation that user inputs in remote control terminal will be issued to by remote control terminal it is micro-
It stores, such as is stored in the flash of micro-control unit after control unit, is wiped free of to prevent restarting rear data.It is controlled with the time
The first time point set in tactful is early at 7 points, for executing operation to turn on light, when current time is 7 early, and microcontroller list
After member both by making comparisons with the control temporal information in clock unit, will determine matching, execution is turned on light operation.By upper
State configuration, even if when the network connection of light fixture is broken down, still can according to the Time Control Strategy pre-set,
Corresponding time point executes corresponding actions.The storage of Time Control Strategy can be made by micro-control unit and Zigbee gateway communication
When school, and current time information is stored to the RTC block of itself.(when micro-control unit further includes GPS module, pass through GPS
RTC block is written after the time can be read in communication)
Further, Beidou module can be installed additional in clock unit, the latitude and longitude information read according to Beidou module, always
Current time information and accurate network time synchronization are kept, even if when being connected to the network failure, and occur event for a long time
When barrier, it is accurate as local current time information always still to be ensured by Beidou module, and has one when control system is interior
When string illumination component, the current time information in each illumination component can be unified, and thus can shine the string under same time point
Each element in bright element executes corresponding actions, plays uniform effect.
Further, in main control module further include: GPS unit is connect with micro-control unit, and is arranged in lighting apparatus
Interior, for monitoring light equipment geographical location information.Geographical location information in the present embodiment refers to position locating for lighting apparatus
The expression set, such as it is accurate to the position of room number, the position comprising latitude and longitude information, after there is geographical location information, according to
The expectation of user or the operating habit of user, the variation automatically according to environment under different location carry out optimal Dimming operation.
Meanwhile position control strategy is stored in micro-control unit, micro-control unit is based on position control strategy and geographical location is believed
Breath, calculates the sunrise time under current location locating for the lighting apparatus and/or sunset time.After above-mentioned temporal information,
Micro-control unit by according to the requirement of position control strategy, by sunrise time and/or sunset time and current time information (from when
Clock unit obtains) it makes comparisons, when sunrise time and/or sunset time matchs with current time information, micro-control unit is by hair
The dim signal based on simulation DALI agreement is sent to DALI converting unit, to send open signal or shutdown signal to illumination component
It is controlled to open or close.
Specifically, position control operation is described in detail with a specific example.Position control can be arranged in user in micro-control unit
Strategy, or position control strategy is set in remote control terminal, such as by the application program that is mounted in remote control terminal or
Operation is realized in control platform.When the position control strategy be set by the user for start, can be in application program or control platform
Time-zone information is set, latitude and longitude information (if having Beidou module, can self-act travel) is used as geographical location information.User is in micro-control
The above-mentioned geographical location information of unit input processed will be stored directly in micro-control unit, and user inputs in remote control terminal
Above-mentioned geographical location information micro-control unit will be issued to by remote control terminal after store, such as be stored in micro-control unit
In flash, it is wiped free of to prevent restarting rear data.Micro-control unit is according to the geographical location information local computing received daily
Sunrise time and/or sunset time, and reversely report to remote control terminal.It is early 5 to calculate the gained position lower sunrise time
Point, executes operation as turning on light, when current time is 5 early, micro-control unit by by with the control in clock unit
Temporal information is made comparisons, and after both determining matching, execution is turned on light operation.It is highly preferred that can in sunrise time and/or at sunset
Between specific time point be that the benchmark time, offset was set, such as front and back 5 minutes, then will just be executed at first 5 minutes of sunrise time
It turns on light operation, latter 5 minutes of sunset time execute operation of turning off the light.Through the above configuration, even if light fixture network connection
When failure, still corresponding actions can be executed at corresponding time point according to the position control strategy pre-set.
Further preferably or optionally, in main control module further include: photo cell is connect with micro-control unit, and is set
It sets in lighting apparatus, the current light degree information for monitoring light equipment local environment.Current light in the present embodiment
Information is spent, refers to the lumen value of the illuminance of lighting apparatus local environment.After current light degree information, according to the phase of user
It hopes or the operating habit of user, the variation automatically according to ambient light illumination carries out optimal Dimming operation.Meanwhile in microcontroller
Element memory contains illuminance control strategy, which includes the illuminance threshold corresponding to level signal threshold value
Value, micro-control unit is based on illuminance control strategy and current light degree information, by level corresponding to current light degree information
Signal and the corresponding level signal threshold value of illuminance control strategy are made comparisons, when current level signal falls into level signal threshold value
When in section, the dim signal based on simulation DALI agreement will be sent to DALI converting unit, signal is lightened with transmission or is dimmed
Signal to illumination component controls it and opens or closes.
Specifically, illuminance control operation is described in detail with a specific example.Illuminance can be arranged in user in micro-control unit
Control strategy, or illuminance control strategy, such as application by being mounted in remote control terminal are set in remote control terminal
Operation is realized in program or control platform.When the illuminance control strategy be set by the user for start, can be in application program or control
Illuminance threshold value is set in platform processed.Remote control terminal or micro-control unit will calculate illuminance threshold value institute in illumination component
The level signal threshold value of corresponding current signal.User will be stored directly in the above-mentioned illuminance threshold value that micro-control unit inputs
In micro-control unit, and the above-mentioned illuminance threshold value that user inputs in remote control terminal will be issued to micro-control by remote control terminal
It stores, such as is stored in the flash of micro-control unit after unit processed, is wiped free of to prevent restarting rear data.It is controlled with illuminance
The threshold value of turning on light being arranged in tactful is 100lux, for threshold value of turning off the light is 150lux, photo cell, as illuminance sensor is examined
It when the current light degree information of the lighting apparatus of survey is less than 100lux, turns on light threshold value due to being less than, execution is turned on light operation；Illumination
When spending the current light degree information of sensor lighting apparatus detected greater than 150lux, due to being greater than threshold value of turning off the light, it will execute
It turns off the light operation.By the configuration, lighting apparatus intelligently can be controlled according to the illuminance of environment, save energy consumption.Further,
Settable illuminance delayed data, when lighting apparatus is encountered by leaf or is blocked in other barrier short time, due to for
Emergency event, and the illuminance variation of entire environment is not represented.Therefore, illuminance delay information is added, only illuminance is prominent
Hair variation can just execute corresponding operating when remaining above illuminance delay information, avoid maloperation.In above-described embodiment, microcontroller
The AD of unit acquires the external photo resistance of pin, and photo resistance can change itself resistance value according to the variation of illuminance, thus
Change the level signal of the AD acquisition pin of micro-control unit.
The above all kinds of control strategies can be arranged simultaneously, and priority is arranged by user setting or automatically, logical in lighting apparatus
In electric process, the condition of which strategy first triggers which strategy just executed, and occurs to avoid the case where operation is executed repeatedly.
Refering to Fig. 3, in another preferred or alternative embodiment, DALI converting unit includes:
- DALI conversion circuit
The connection of the I/O port of DALI conversion circuit and micro-control unit receives the dim signal that micro-control unit is formed, and being used for will
Dim signal is converted into DALI current signal, so that it is electricity under DALI agreement standard that micro-control unit is issued to illumination component
Flow signal.
Rectification circuit
Rectification circuit is connect with DALI conversion circuit, receives DALI current signal.The setting of rectification circuit realizes DALI bus
In the case where reversed, circuit will not be damaged because of reverse current.
- DALI bus circuit
DALI bus circuit is connected with the rectifying circuit, and is received DALI current signal and is exported to the drive connecting with DALI bus circuit
Dynamic model block sends the current signal for powering to illumination component by drive module.
Comparator circuit
Comparator circuit is connect with DALI bus circuit, the input current received from the transmission of DALI bus circuit as power supply source,
And convert input current to corresponding input voltage, by input voltage compared with a reference voltage after, output digit signals.
Optocoupler U1 circuit
Optocoupler U1 circuit is connect with comparator circuit, after receiving digital signal, according to the level change of digital signal, passes through micro-control
The I/O port of unit processed sends the DALI signal based on low and high level to micro-control unit.
DALI conversion circuit, rectification circuit, DALI bus circuit, comparator circuit, optocoupler U1 circuit form DALI communication
The closed loop design of circuit.
With continued reference to Fig. 4, the component for being included in each circuit is shown.
DALI conversion circuit includes optocoupler U3, is connect with the I/O port of micro-control unit, and the light modulation letter of micro-control unit is received
Number, dim signal and the not formed standard based on DALI agreement at this time.After optocoupler U3, low and high level is made to dim signal
Signal conversion, exports DALI current signal.In addition, the GND of main circuit and the GND_DALI of telecommunication circuit can be isolated in optocoupler U3, keep away
Exempt from other reasons such as voltage or current signal in DALI bus is excessive, burns out micro-control unit, play isolated drive circuit
And micro-control unit, micro-control unit is protected, realizes jamproof effect.
Rectification circuit is connect with optocoupler U3, in addition to receiving DALI current signal, will also prevent from being reversely connected brought danger.
DALI bus circuit includes input terminal and output end, and input terminal is connected with the rectifying circuit to receive DALI electric current letter
Number, output end is then connect with comparator circuit, to the input current of comparator circuit input power supply, realizes comparator circuit
It works normally.
Comparator circuit then include current input terminal, amplifier Q1, diode D1, comparator U2(model such as
TLV3491AIDBVR), voltage regulator circuit.Current input terminal is connect with DALI bus circuit, receives DALI current signal；Amplifier
Q1 is connect with current input terminal, makees enhanced processing to DALI current signal；Diode D1, anode are connect with amplifier Q1, cathode
It connect with the V+ foot of comparator U2, powers to comparator U2.Amplifier Q1, diode D1, diode Q2 and capacitor C1 are constituted
One voltage-stabilized power supply circuit is connect with DALI bus circuit and comparator U2 respectively, and the voltage for stablizing output 2.7V is used as with reference to electricity
It is potential source, identical through the resistance value of two resistance of resistance R3 and R5() after partial pressure, it is connected to the IN- foot of comparator U2, store that miscarriage is raw to stablize
, size be 1.35V reference voltage.The IN+ foot of comparator U2 is also connect with DALI bus circuit, receives DALI electric current letter
Number.That is, the received DALI current signal of comparator IN+ foot and the received reference voltage of IN- foot will be in comparator U2
It makes comparisons, and comparison result is sent to the base stage of a triode Q2 in the form of low and high level, the emitter of triode Q2
Ground connection, collector and optocoupler U1 circuit connection send to optocoupler U1 circuit according to the level signal that comparison result is formed and open letter
Number or shutdown signal, by optocoupler U1 circuit enable level conversion after, micro-control unit is given to by I/O port.
The setting purpose of comparator U2 is switched DALI signal converting back the identifiable number of micro-control unit
Signal, for use as the DALI input circuit of micro-control unit.
In above-described embodiment, voltage regulator circuit may include first capacitor C1, and one end is connect with the cathode of diode D1, the other end
Ground connection；Divider resistance R3, one end are connect with the cathode of diode D1, and the other end is connect with the end IN- of comparator U2, to comparator
Output reference voltage；Divider resistance R5, one end are connect with divider resistance R3, other end ground connection.Divider resistance R3 and divider resistance
The resistance value of R5 can be 1M Ω.
It is configured by appeal, micro-control unit has the signal of DALI agreement by I/O port simulation, converts electricity by DALI
Road is converted into the DALI signal level that can be identified, is connected by conducting wire with the driving power with DALI agreement, electric current is believed
It number is transferred to the driving power of DALI agreement, final realize dims the DALI of illumination component.
Any of the above-described embodiment in use, using conventional DALI agreement, i.e. interrupt mode executes operation, due to DALI
It is excessively frequent that execution operation is interrupted in agreement, and to the flash read/write conflict in it, easily leads to micro-control unit driver.Therefore,
Polling mode can be used instead, issued and inquired by the CPU of micro-control unit or main control module timing, sequentially inquire each peripheral equipment
Its service whether is needed, has to give and services, next periphery is inquired again after service, crash phenomenon can be solved.
It should be noted that the embodiment of the present invention has preferable implementation, and not the present invention is made any type of
Limitation, any one skilled in the art change or are modified to possibly also with the technology contents of the disclosure above equivalent effective
Embodiment, as long as without departing from the content of technical solution of the present invention, it is to the above embodiments according to the technical essence of the invention
Any modification or equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (9)
1. a kind of control system of lighting apparatus, including remote control terminal, and the illumination with remote control terminal communication connection
Component, which is characterized in that the light fixture includes: gateway, is communicated to connect with the remote control terminal, is received described remote
The control instruction that process control end issues；Lighting apparatus communicates to connect with the gateway, receives the control instruction, wherein
The lighting apparatus includes: main control module, which is provided with ZHAGA interface, establishes Zigbee communication with the gateway and connect,
The dim signal based on DALI agreement is formed according to the control instruction；Drive module, it is total by DALI with the main control module
Line connection, changes the output electric current exported outward according to the dim signal；Illumination component is electrically connected with the drive module,
It receives the output electric current and illuminates.
2. control system as described in claim 1, which is characterized in that the main control module includes: micro-control unit, according to connecing
The control instruction received forms the dim signal, wherein the micro-control unit includes buffer area, the buffer area is stored with
Status information；DALI converting unit is connect with the micro-control unit, is received the dim signal and is turned the dim signal
Digital signal is changed to be fed back to the micro-control unit.
3. control system as claimed in claim 2, which is characterized in that the main control module further include: clock unit, and it is described
Micro-control unit connection, receives the control temporal information that the micro-control unit issues and stores；The micro-control unit storage
Having time control strategy, the micro-control unit are based on the Time Control Strategy for the control temporal information and current time
Information compares, and when the control temporal information is matched with the current time information, sends the tune based on simulation DALI agreement
Optical signal is to the DALI converting unit.
4. control system as claimed in claim 3, which is characterized in that the main control module further include: GPS unit, and it is described
Micro-control unit connection, monitors the geographical location information of the lighting apparatus；The micro-control unit is stored with position control plan
It omits, the micro-control unit is based on the position control strategy and geographical location information one sunrise time of calculating and/or at sunset
Between；The micro-control unit by the sunrise time and/or sunset time compared with current time information, when the sunrise time
And/or sunset time is with the current time information when matching, and sends the dim signal based on simulation DALI agreement to described
DALI converting unit, wherein the dim signal includes open signal or shutdown signal.
5. control system as claimed in claim 2, which is characterized in that the main control module further include: photo cell detects institute
State the current light degree information of lighting apparatus；The micro-control unit is connect by acquisition pin with the photo cell, described
It acquires pin and one current level signal is formed based on the current light degree information of the photo cell；And the microcontroller
Unit is stored with illuminance control strategy, and the illuminance strategy includes the illuminance threshold value corresponding to level signal threshold value,
The micro-control unit by the level signal threshold value compared with the current level signal, when the current level signal is located at
When in the level signal threshold value, the dim signal based on simulation DALI agreement is sent to the DALI converting unit, wherein institute
Dim signal is stated including lightening signal or dimming signal.
6. control system as claimed in claim 2, which is characterized in that the DALI converting unit includes: DALI conversion circuit,
It is connect with the IO of the micro-control unit, receives the dim signal, and the dim signal is converted into DALI current signal；
Rectification circuit is connect with the DALI conversion circuit, receives the DALI current signal；DALI bus circuit, with the rectification
Circuit connection receives the DALI current signal and exports to the drive module connecting with the DALI bus circuit；Comparator
Circuit is connect with the DALI bus circuit, received from the DALI bus circuit transmission input current as power supply source, and
Corresponding input voltage is converted by the input current, the input voltage is made comparisons with a reference voltage, to export number
Word signal；Optocoupler U1 circuit, connect with the comparator circuit, receives the digital signal, and pass through the micro-control unit
I/O port to the micro-control unit send the DALI signal based on low and high level.
7. control system as claimed in claim 6, which is characterized in that the DALI conversion circuit includes: optocoupler U3, receives institute
Dim signal is stated, and the dim signal is converted into DALI current signal；The DALI bus circuit includes input terminal and defeated
Outlet, the input terminal are connect with the rectification circuit, receive the DALI current signal, the output end and the comparator
Circuit connection transmits the input current to the comparator circuit.
8. control system as claimed in claim 6, which is characterized in that the comparator circuit includes: current input terminal, with institute
The connection of DALI bus circuit is stated, the DALI current signal is received；Amplifier Q1 is connect with the current input terminal, amplifies institute
State DALI current signal；Diode D1, it is positive to be connect with the amplifier Q1；Comparator U2, the cathode with the diode D1
Connection, receives the DALI current signal as power supply；Voltage regulator circuit connects with the DALI bus circuit and comparator U2 respectively
It connects, a reference voltage is formed according to the DALI current signal；The end IN+ of the comparator U2 also with DALI bus electricity
Road connection, receives the DALI current signal；The comparator U2 DALI current signal and reference voltage, and pass through
OUT foot exports the base stage of a comparison result to a triode Q2, the emitter ground connection of the triode Q2, collector and the light
Coupling U1 circuit connection, to send open signal or shutdown signal to the optocoupler U1 circuit according to the comparison result.
9. control system as claimed in claim 8, which is characterized in that the voltage regulator circuit includes: first capacitor C1, one end with
The cathode of the diode D1 connects, other end ground connection；Divider resistance R3, one end are connect with the cathode of the diode D1, separately
One end is connect with the end IN- of the comparator U2, and Xiang Suoshu comparator exports the reference voltage；Divider resistance R5, one end with
The divider resistance R3 connection, other end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561507.7A CN110191545A (en) | 2019-06-26 | 2019-06-26 | A kind of control system of lighting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561507.7A CN110191545A (en) | 2019-06-26 | 2019-06-26 | A kind of control system of lighting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110191545A true CN110191545A (en) | 2019-08-30 |
Family
ID=67723648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910561507.7A Pending CN110191545A (en) | 2019-06-26 | 2019-06-26 | A kind of control system of lighting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110191545A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112601331A (en) * | 2020-11-02 | 2021-04-02 | 光华临港工程应用技术研发(上海)有限公司 | Lighting adjusting device and lighting apparatus based on thing networking |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203301792U (en) * | 2012-12-03 | 2013-11-20 | 广东创电科技有限公司 | Digital addressable lighting interface (DALI) protocol-based intelligent LED lighting system |
| CN104202866A (en) * | 2014-08-04 | 2014-12-10 | 上海维芯电子科技有限公司 | Light illumination control system |
| CN104797046A (en) * | 2015-04-03 | 2015-07-22 | 四川九洲电器集团有限责任公司 | Device and method for converting DALI (digital addressable lighting interface) protocol data and lighting control system |
| US20160242262A1 (en) * | 2015-02-13 | 2016-08-18 | Hep Tech Co., Ltd. | Electric energy supply device with data bridge function and wireless lighting control system including the same |
| CN106941754A (en) * | 2017-04-05 | 2017-07-11 | 上海博昂电气有限公司 | A kind of eMTC intelligent wireless Lighting Control Assembly |
| CN108207060A (en) * | 2018-01-15 | 2018-06-26 | 中国民航大学 | A kind of terminal intelligent lighting system based on wireless DALI |
-
2019
- 2019-06-26 CN CN201910561507.7A patent/CN110191545A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203301792U (en) * | 2012-12-03 | 2013-11-20 | 广东创电科技有限公司 | Digital addressable lighting interface (DALI) protocol-based intelligent LED lighting system |
| CN104202866A (en) * | 2014-08-04 | 2014-12-10 | 上海维芯电子科技有限公司 | Light illumination control system |
| US20160242262A1 (en) * | 2015-02-13 | 2016-08-18 | Hep Tech Co., Ltd. | Electric energy supply device with data bridge function and wireless lighting control system including the same |
| CN104797046A (en) * | 2015-04-03 | 2015-07-22 | 四川九洲电器集团有限责任公司 | Device and method for converting DALI (digital addressable lighting interface) protocol data and lighting control system |
| CN106941754A (en) * | 2017-04-05 | 2017-07-11 | 上海博昂电气有限公司 | A kind of eMTC intelligent wireless Lighting Control Assembly |
| CN108207060A (en) * | 2018-01-15 | 2018-06-26 | 中国民航大学 | A kind of terminal intelligent lighting system based on wireless DALI |
Non-Patent Citations (2)
| Title |
|---|
| 优联智能: "优联智能发布国内首批ZHAGA接口灯控器，推动标准化", 《凤凰网》 * |
| 庄裕浩,等: "基于DALI和ZigBee集成网络的照明技术研究", 《照明工程学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112601331A (en) * | 2020-11-02 | 2021-04-02 | 光华临港工程应用技术研发(上海)有限公司 | Lighting adjusting device and lighting apparatus based on thing networking |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108337779A (en) | A kind of wireless single lamp control system based on LoRa technologies | |
| CN104768287A (en) | Intelligent night lamp | |
| CN202396037U (en) | Smart lighting system based on power line carrier communication technology | |
| CN103762712A (en) | Transformation method for carrying out centralized power supply on outdoor lighting system | |
| CN200997711Y (en) | Self-adaptive energy-saving controllable sub-system for illuminating network | |
| CN204498423U (en) | Intelligent lamp | |
| CN110191545A (en) | A kind of control system of lighting apparatus | |
| CN203775483U (en) | Intelligent LED light modulator based on KNX bus | |
| CN203504827U (en) | Intelligent illumination control system | |
| CN207531129U (en) | LED intelligent illumination control system based on bluetooth MESH technology | |
| CN207926980U (en) | A kind of wireless single lamp control system based on LoRa technologies | |
| CN110958735A (en) | Solar street lamp timing starting system | |
| CN106102274B (en) | A kind of street lamp control system | |
| CN209627744U (en) | Lighting system and lighting control system | |
| CN108093529A (en) | Intelligent constant-current supply and its control method applied to LED product | |
| CN112565451A (en) | DALI gateway and DALI lamp control system | |
| CN207854235U (en) | Multi-parameter can inquire intelligent light source device | |
| CN109496036A (en) | A kind of Internet of Things lighting system and method that can temporally adjust light scene | |
| CN105188196A (en) | LED track lamp with intelligent light sensing and light modulation functions | |
| CN206658317U (en) | A kind of illumination control system based on Internet of Things | |
| CN204217159U (en) | A kind of electrodeless intelligent dimming LED lamp system with Radio Control Function | |
| CN212785932U (en) | Illumination adjusting circuit and illumination device | |
| CN204498424U (en) | Intelligence night-light | |
| CN204598369U (en) | Solar powered intelligent lamp | |
| CN205102026U (en) | Head of a bed intelligence LED lamp control system based on thing networking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190830 |
|
| RJ01 | Rejection of invention patent application after publication |