CN103476168A - Building LED intelligent lighting control system based on things of Internet - Google Patents
Building LED intelligent lighting control system based on things of Internet Download PDFInfo
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- CN103476168A CN103476168A CN2013102147646A CN201310214764A CN103476168A CN 103476168 A CN103476168 A CN 103476168A CN 2013102147646 A CN2013102147646 A CN 2013102147646A CN 201310214764 A CN201310214764 A CN 201310214764A CN 103476168 A CN103476168 A CN 103476168A
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Abstract
The invention discloses a building LED intelligent lighting control system based on the things of Internet. The building LED intelligent lighting control system is characterized by comprising a building control system, an OPC server, a central control computer, IP gateways and floor lighting control modules, wherein the floor lighting control modules, through the IP gateways, together with the central controller and the OPC server, form the things of Internet with star network topological structure; and the building control system is integrated with the OPC server. A specific power supply solution and corresponding energy saving design are provided for cooperation. Through such a building LED intelligent lighting control system, full automatic control of building lighting is realized, energy saving and environmental protection of the building lighting is also realized, and the environment quality of the building lighting is improved.
Description
Technical field
The present invention relates to a kind of Lighting Control Assembly, relate in particular to a kind of building LED intelligent lighting system based on Internet of Things.
Background technology
Along with the development of China's building construction and the rise of intelligent building, illumination in modern architecture not only requires to provide good visual condition for people's work, study, life, utilize light fitting shape and the photochromic indoor environment with certain style and aesthetic feeling of building, meet people's physiology and psychological requirement, but also will consider intellectual management, simple to operateization, change flexibly and be easy to the requirement such as expansion.At present, most of buildings are still continued to use traditional illumination control mode, and the part intelligent building can only be also to realize simple area illumination and timed switching function.By contrast, intelligent lighting system embodies powerful superiority, not only can meet the lighting demand in modern architecture, promotes the lighting environment quality, can also take full advantage of and energy savings, makes building energy-saving and environmental protection more.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of simple to operate flexibly, the building LED intelligent lighting system based on Internet of Things of energy-conserving and environment-protective.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of building LED intelligent lighting system based on Internet of Things is characterized in that:
The described building LED intelligent lighting system based on Internet of Things comprises building control system, opc server, central control computer, IP gateway and each floor lighting control module;
Described each floor lighting control module forms star network by IP gateway and central controller, opc server and opens up the networking of benefit works;
Described building control system and opc server are integrated.
Further, described building control system comprises passive pyroelectric infrared detector, ambient noise detector, visible-light detector, single-chip microcomputer and LED lighting far distance control module, and described passive pyroelectric infrared detector, ambient noise detector, visible-light detector and LED lighting far distance control module all are connected with single chip communication.
Further, described LED lighting far distance control module adopts MAX1473 receiver and MAX1472 transmitter.
Further, described building control system also comprises the ipc monitor interface of on off state, electric current, voltage and the intensity of illumination that can show in real time all lamps.
Further, described building control system also comprises alarm module, with the upper monitoring interface, is connected, and display alarm information also records alert data and printing.
Further, described building control system also comprises database module, and operator's operation is carried out to record, sets up real-time data base and historical data base, for statistical analysis.
Further, lighting load 40 when the 125W power bracket, the power supply of the power acquisition of described each floor lighting control module based on the NCL30001 scheme.
Further, lighting load 50 when the 300W power bracket, the power supply of the power acquisition of described each floor lighting control module based on NCP1607 and NCP1397 scheme.
Further, be provided with the current bypass protector on the LED lamp of described each layer of lighting control module.
Adopt such technical scheme, realized the intelligent lighting of building, the Lighting Control Assembly control mode is many, flexible operation, adopt efficient power source design simultaneously and change the design of intensity of illumination according to surround lighting, improved the lighting environment quality, and saved the energy, made building energy-saving and environmental protection more.
The accompanying drawing explanation
Fig. 1 is the building control system circuit theory diagrams of the building LED intelligent lighting system based on Internet of Things of the present invention.
Fig. 2 is that the network of the building LED intelligent lighting system based on Internet of Things of the present invention is opened up the benefit structure chart.
Fig. 3 is the power principle figure based on the NCL30001 scheme of the building LED intelligent lighting system based on Internet of Things of the present invention.
Fig. 4 is the power principle figure based on NCP1607 and NCP1397 scheme of the building LED intelligent lighting system based on Internet of Things of the present invention.
Fig. 5 is the LED of the building LED intelligent lighting system based on Internet of Things of the present invention and the connection diagram of current bypass protector.
Fig. 6 is the control circuit schematic diagram according to surround lighting adjustment intensity of illumination of the building LED intelligent lighting system based on Internet of Things of the present invention.
Embodiment
As shown in Figure 2, the building LED intelligent lighting system based on Internet of Things of the present invention comprises building control system, opc server, central control computer, IP gateway and each floor lighting control module.Each floor lighting control module forms star network by IP gateway and central controller, opc server and opens up the networking of benefit works, and building control system and opc server integrate.
As shown in Figure 1, building control system is divided into clock control, automatically controls and manually control three kinds of modes, and the control requirement according to different environment, place, system under automatic control mode can adopt light sensation to control and Sound control.
Building control system comprises passive pyroelectric infrared detector, ambient noise detector, visible-light detector, single-chip microcomputer and LED lighting far distance control module.At first survey by passive pyroelectric infrared detector and ambient noise whether the people is arranged, and by the brightness of visible-light detector acquisition environment.If the no one, the LED lamp is not opened.If someone, be divided into two kinds of situations: (1) is if the illumination X of the environment of needs illuminations > during 200lx, the LED lighting is in closed condition; (2) if while needing the illumination x of the environment of illumination<200lx, the LED lighting is in opening, and the illumination of regulating the LED light fixture along with ambient light illumination.
Passive pyroelectric infrared detector comprises Fresnel optical filtering wafer, Fresnel Lenses and three key elements of pyroelectric infrared sensor.Fresnel optical filtering wafer, it,, by the Fresnel optical filtering wafer of cut-off wavelength 8～12 μ m, plays band pass filter, makes the interference of environment be subject to obvious control action.Fresnel Lenses, effect has two: the one, and focussing force, be about to the hot infrared signal refraction of releasing on PIR (pyroelectric infrared sensor), second effect is the variation of infrared energy in surveying security area, and by solidification software in system, gathered data are carried out to computing processing, determine whether sending by control logic the signal of turning on light by the control software in control system.Pyroelectric infrared sensor (PIR) will convert the signal of telecommunication to through the variation of the infrared energy of optical filtering wafer, i.e. thermoelectricity conversion.Therefore in the security area of passive infrared detector, when moving without human body, the just ambient temperature that pyroelectric infrared sensor is sensed, when human body enters the people security area, pass through Fresnel Lenses, what pyroelectric infrared sensor was sensed is the difference of human body temperature and ambient temperature, after the collected servo system of signal, the detection data in early stage existed in data and system internal memory by software to this new collection carries out time delay relatively, to judge whether really have the people to wait infrared source to enter security area, or be environmental fluctuating, or even the impact of element self internal noise, to avoid erroneous judgement disconnected.
It is mainly that the noise produced by Human routine activities in acquisition environment is surveyed that ambient noise is surveyed; and carry out exclusive disjunction with the data of infrared ray part in internal system, insensitive and can't determine whether that someone enters the zone that needs illumination with compensation infrared acquisition when ambient temperature very approaches human body.
Visible-light detector compares by the various performances to photodetectors such as photoelectric tube, photo resistance, finds that the peak in the spectral response of photo resistance relatively approaches the wavelength of people's vision sensitizing range.Next is when intensity of illumination weakens, and its response time increases relatively, and device is when intensity of illumination changes, and output state keeps relative stability.
System adopts the core of single-chip microcomputer as illuminator, and the description of single-chip microcomputer is a lot, the principle of choosing be make that system is simple as far as possible, dependable performance, cost be low.We select 8051 single-chip microcomputers of IntEL, and it includes the RAM of 128 bytes, 32 I/o lines, 28 bit timing device/registers that 8 bit constants can be reset automatically.Single-chip microcomputer output pulse can directly be connected to the SCR control utmost point after isolation, power amplification, controls controllable silicon.
LED lighting far distance control module comprises microcontroller, and described microcontroller is selected MAX1473 receiver and MAX1472 transmitter.This product work exempts to authorize wave band at 300MHz to 450MHz, and under indoor environment, communication distance can reach 30m to 50m.
Building control system also comprises the ipc monitor interface of on off state, electric current, voltage and the intensity of illumination that can show in real time all lamps.Building control system also comprises alarm module, when communication failure or light fixture job failure appear in system, reports to the police in the ipc monitor interface display, and records alert data and printing.Building control system also comprises database module, and operator's operation is carried out to record, sets up real-time data base and historical data base, for statistical analysis.
As shown in Figure 3, lighting load 40 when the 125W power bracket, the power source design of the power acquisition of described each floor lighting control module based on NCL30001.Some area illumination application scenario requires to provide the isolated form voltage stabilizing output voltage of tape input power factor correction, and these application adopt the power supply converting structure of two-part usually.Adopt a kind of simpler method, make it become the unistage type framework of a kind of integrated power factor correcting and main transducer.This unistage type framework provides possesses significant application advantage, because without using large-sized boost inductance, high-voltage MOSFET, power rectifier and large electric capacity.Certainly, this unistage type framework can bring some trade-off of performance of some aspect, but the scheme of a kind of high energy efficiency and high performance-price ratio is suitable for the relatively constant LED area illumination application of load.NCL30001 is exactly a kind of unistage type controller, and integrated power factor correction and isolated form buck DC-DC change-over circuit help to reduce number of elements, reduce system cost, support the higher overall efficiency of LED power supply.NCL30001 provides the current stabilization constant current to carry out direct driving LED, has saved linearity integrated in the LED striation or DC-DC conversion.Under 90 to 264 Vac input voltage conditions, the LED power supply based on NCL30001 provides the high energy efficiency higher than 85%, and power factor is also higher than 0.9, and short circuit and overvoltage protection are provided.By the resistance in inching secondary end control circuit slightly, just can regulating flow-stabilizing electric current and voltage of voltage regulation, thus the concrete application requirements of support terminal product.
As shown in Figure 4, lighting load 50 when the 300W power bracket, the illumination high energy efficiency LED power source design of the power acquisition of described each floor lighting control module based on NCP1607 and NCP1397.The built-in high-end and low-end driver of NCP1397, support can be regulated and accurate low-limit frequency, and high efficiency is provided, and possesses the various faults protective feature.Add the high energy efficiency LED street lighting application of the very applicable power of LED power source design of single capacitor (LLC) half-bridge resonance controller in 50 to 300 W scopes based on NCP1607 pfc controller and the two inductance of NCP1397.
As shown in Figure 5, be provided with the current bypass protector on the LED lamp of each layer of lighting control module.Usually can adopt multi-string LED in the area illumination application, although the reliability of LED itself is very high, if open fault occurs certain LED in the LED string, so whole string LED just may close.NUD4700 LED current bypass protector is a shunting device, when certain LED opens a way in the LED string, can provide current bypass, guarantees that whole string LED can not close under the condition of certain LED fault.And appropriately process heat radiation, also can support to be greater than the large electric current of 1 A.
As shown in Figure 6, each layer of lighting control module is provided with ambient light sensor, regulates the light output of LED according to the brightness of surround lighting.For the LED illumination, can between centralized-control center and LED lamp, apply two-way communication, build the intelligent illuminating system of networking fully.Can be in system the integration environment optical sensor, automatically regulate the light output of LED according to the brightness of surround lighting, thereby help energy-conservation.The operating current of these optical sensors is extremely low, under 100 lumen of light output conditions, is only respectively 58 μ A, 550 μ A and 115 μ A, thereby minimum on the impact of system energy efficiency.
By such technical scheme, realized all lightings of office building are carried out to Automatic Control, can between multiple modes of operation, switch flexibly simultaneously, simple to operate flexible.Adopt good power source design simultaneously, realized stability and the energy saving of illuminator.Prevent the illumination of the whole string of single led fault effects LED lamp by the current bypass protector is set, make fault effects reduce, maintenance is simple.By ambient light sensor is set, according to ambient light intensity, control brightness of illumination again, further energy savings.Such Lighting Control Assembly is simple to operate flexibly, and good stability, and environmental protection and energy saving have improved the environmental quality of building lighting.
Claims (9)
1. the building LED intelligent lighting system based on Internet of Things is characterized in that:
The described building LED intelligent lighting system based on Internet of Things comprises building control system, opc server, central control computer, IP gateway and each floor lighting control module;
Described each floor lighting control module forms star network by IP gateway and central controller, opc server and opens up the networking of benefit works; Described building control system and opc server are integrated.
2. according to the building LED intelligent lighting system based on Internet of Things claimed in claim 1, it is characterized in that: described building control system comprises passive pyroelectric infrared detector, ambient noise detector, visible-light detector, single-chip microcomputer and LED lighting far distance control module, and described passive pyroelectric infrared detector, ambient noise detector, visible-light detector and LED lighting far distance control module all are connected with single chip communication.
3. according to the building LED intelligent lighting system based on Internet of Things claimed in claim 2, it is characterized in that: described LED lighting far distance control module adopts MAX1473 receiver and MAX1472 transmitter.
4. according to the building LED intelligent lighting system based on Internet of Things claimed in claim 2, it is characterized in that: described building control system also comprises the ipc monitor interface of on off state, electric current, voltage and the intensity of illumination that can show in real time all lamps.
5. according to the building LED intelligent lighting system based on Internet of Things claimed in claim 2, it is characterized in that: described building control system also comprises alarm module, with the upper monitoring interface, is connected, and display alarm information also records alert data and printing.
6. according to the building LED intelligent lighting system based on Internet of Things claimed in claim 2, it is characterized in that: described building control system also comprises database module, record is carried out in operation to the operator, sets up real-time data base and historical data base, for statistical analysis.
7. according to the building LED intelligent lighting system based on Internet of Things claimed in claim 1, it is characterized in that: lighting load 40 when the 125W power bracket, the power supply of the power acquisition of described each floor lighting control module based on the NCL30001 scheme.
8. according to the building LED intelligent lighting system based on Internet of Things claimed in claim 1, it is characterized in that: lighting load 50 when the 300W power bracket, the power supply of the power acquisition of described each floor lighting control module based on NCP1607 and NCP1397 scheme.
9. according to the building LED intelligent lighting system based on Internet of Things claimed in claim 1, it is characterized in that: on the LED lamp of described each layer of lighting control module, be provided with the current bypass protector.
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| CN106455261A (en) * | 2016-10-10 | 2017-02-22 | 上海易同科技股份有限公司 | Control method and equipment of lighting circuit |
| CN106642033A (en) * | 2016-08-30 | 2017-05-10 | 成都聚商节能科技有限公司 | Strong heat dissipation system of LED drive power supply |
| US11552826B2 (en) | 2014-11-10 | 2023-01-10 | Schreder | Method for the operation and expansion of a network of lights |
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Application publication date: 20131225 |