The project of the Science and Technology Entrepreneurship Center of the Southern Sub-center of Chengdu is about to be completed. As the location of the Chengdu Municipal Committee, the Municipal Government, the Municipal People's Congress, and the CPPCC, the project has received much attention since its inception. In addition, the scale of the project is huge, and the topic of building energy consumption has become the focus of discussion. .
The reporter learned from the relevant departments that in order to minimize the building energy consumption, the project uses all the world's leading Philips lighting energy-saving products and professional solutions in lighting, which is expected to effectively reduce energy consumption by nearly 30% per year. The daily lighting is calculated for 8 hours, saving 1.78 million kWh of electricity per year. It has set an example for the promotion of energy-saving projects in Sichuan Province.
Government model: "energy saving and efficiency"
Building energy conservation has always been one of the keys to solving the energy efficiency of the whole society. The construction area of ​​the Science and Technology Entrepreneurship Center of the Southern Sub-center of Chengdu reached 376,000 square meters. In order to minimize the energy consumption of the building, the project adopted Philips' overall lighting energy-saving products and design, and installed more than 10,000 sets of OLC series indoors. Built-in grille lighting fixtures and more than 15,000 sets of energy-saving downlights. According to reports, the energy-saving lighting products and designs adopted this time are all tailored according to the architectural characteristics of the Science and Technology Entrepreneurship Center. The unique all-round brightness control, uniform light distribution and high light output. It not only achieves the goal of energy saving and environmental protection, but also guarantees good glare control and lighting comfort. It can achieve the least power consumption on the basis of fully guaranteeing the actual effect of lighting, and truly realize “energy saving and efficiency increaseâ€.
Under the environment of “energy saving and emission reduction†and building a conservation-oriented society in the whole society, the Science and Technology Entrepreneurship Center of the Southern Sub-center of Chengdu took the lead in adopting cost-effective energy-saving lighting products and designs, which undoubtedly played a demonstration role. It is understood that from this year, Sichuan Province will fully start energy-saving projects. High-energy-consuming products in government agencies will be eliminated one by one, replaced by energy-saving lighting products, air conditioners and office equipment.
Lighting design : creating an "energy-saving business card"
The Science and Technology Entrepreneurship Center is the core architectural complex of the Southern District of Chengdu. It is designed by the famous French architect Paul Andrew who designed national architecture such as the National Grand Theatre and Pudong International Airport. To ensure that its original architectural design can be perfectly presented, and to save a lot of energy, this puts higher demands on the lighting solution.
According to reports, at the time of design, Philips lighting experts will consider the construction as a whole and combine them with each other. According to the design commonality of indoor space and the characteristics and styles of different functional areas such as corridors, halls, offices, etc., with the energy-saving and artistically beautiful lamps, the overall lighting and architectural decoration are coordinated. The lighting is fully integrated with the architectural space and architectural functions, complementing each other perfectly. It not only perfectly reflects the designer's originality, but also actively responds to the national “energy saving and emission reduction†call to create an “energy-saving business card†in Chengdu.
Dimmable UFO LED High Bay Light can be adjusted the brightness of the light, including 0-10v dimmable,Dali dimmable, Triac dimmable and Zigbee dimmable.
0-10V Dimmable:
Used as an early fluorescent dimming system and still used today, 0-10V dimming has been adapted to become a reliable LED dimming control protocol.0-10 V is one of the earliest and simplest electronic lighting control signaling systems; simply put, the control signal is a DC voltage that varies between zero and ten volts. The controlled lighting should scale its output so that at 10 V, the controlled light should be at 100% of its potential output, and at 0 V it should at the lowest possible dimming level.
Dali dimmable:
A basic system could consist of a few light fittings and a switch connected to a DALI group controller. The switch provides on/off control and up/down dimming of the fittings. Minimal configuration is required and ballasts do not need to be individually addressed.A grouped system consists of multiple ballasts individually addressed on a DALI Line Inputs on a Line Controller or a group controller can be configured to provide switching and dimming as required.
SCR Dimmable:
A SCR is a four-layer solid state device that controls current. In the normal [off" state, SCR restricts current to the leakage current. When the gate-to-cathode voltage exceeds a certain threshold, SCR turns [on" and conducts current. A SCR will remain in the [on" state even after gate current is removed so long as current through the device remains above the holding current. Once current falls below the holding current for an appropriate period of time, the device will switch [off". If the gate is pulsed and the current through SCR is below the holding current, SCR will remain in the [off" state.To achieve the dimming effect using SCR dimming technique, first, a RC phase shift is used to delay triggering the gate-to-cathode voltage. There will be a phase-cutting and the Root Mean Squared Voltage VRMS is modified. The symmetric characteristic of DIAC (DIode for Alternating Current) can be used to trigger TRIAC (TRIode for Alternating Current) symmetrically. Then, the dimming effect can be achieved by varying the R1 value that changes the phase angle for conduction.
Zigbee:
Zigbee is a kind of brand-new, focus on low power consumption, low cost, low complexity and low rate of short-range wireless communication technology.Is also a big focus in the embedded application.
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