Basic knowledge of intelligent lighting system for weak current engineering

With the improvement of people's living standards, more and more families have begun to install smart lighting systems during decoration to provide higher-level and comfortable services. Smart home lighting systems can improve the quality of residential lighting and light environment, fully human-oriented. Taking into account the human visual effects and the "seasonal affective disorder" caused by the reduced seasonal illumination of the human body, a personalized, artistic, comfortable and elegant living environment is created, but the lighting system has always been a Important energy consumption objects currently have serious waste. Therefore, the development of intelligent lighting is of great significance. Let's take a look at the advantages and functional applications of intelligent lighting control systems.

There are four main control technologies for smart lighting

Remote control lighting: control lighting equipment through radio signals, you can use the mobile client to remotely control the switch, and some are equipped with switch sockets and transmitters at the time of purchase.

Infrared induction: By capturing specific wavelength infrared rays to control the lighting and extinguishing of the lamps, the delay lighting realizes the effect of "lights on when people come, and lights off when people go."

Combined lighting: Nowadays, the combined lighting composed of multiple light sources has developed very mature, no matter the scene or the color brightness can be combined freely.

Touch lighting: The capacitance changes through the touch of the finger to control the lamps. The insulation and waterproof characteristics are suitable for bathrooms, kitchens and other spaces.

The composition of the intelligent lighting control system

The intelligent lighting system is divided into the topological structure of the network, which can be divided into a bus type and a hybrid type based on a star structure. The bus type has strong flexibility, easy expansion, independent control, and low cost; hybrid type has high reliability, fault diagnosis and troubleshooting, simple access protocol, and high transmission rate. Therefore, in the specific design, the intelligent lighting control system is used as an independent The system is designed in a distributed and distributed manner, and the dimming control of each unit is relatively independent, self-contained, and does not interfere with each other.

Specifically, the intelligent lighting system is composed of a centralized manager, a backbone, an information interface and other components, as well as subsystems. The subsystem includes various dimming modules, control panels, illuminating motion detectors, motion detectors and other components. The main system and the subsystem are connected through components such as information interfaces to realize data transmission. The main system mainly implements the same control and signal sampling for each area, and the subsystem implements different specific controls for each area.

The specific control can be divided into: clock control, light adjustment control, regional scene control, motion detection control, emergency state reduction control, emergency lighting control, manual remote control control.

(1) Clock control, as the name implies, is time control, and the time of lighting fixtures in each area is controlled through electrical components such as a clock manager.

(2) Illumination adjustment control through each dimming module and solar illuminance dynamic detector and other components, the light illuminance in each area is controlled, and it will not change with the changes of external factors such as sunlight, and it will always be maintained at a preset value. .

(3) Regional scene control Through the dimming module and control panel, the brightness of the lamps can be switched with different scenes to realize the diversity of lamp lighting.

(4) Motion detection control The switch of lamps and lanterns in each area is controlled through dimming modules and motion detectors.

(5) Emergency state reduction control Through the dimming module, the reduction of the number of lamps in each area in the emergency state and the control of abandoning dimming are realized

(6) The control of emergency lighting mainly refers to the control of emergency lighting in special areas. Under normal conditions, everything is business as usual. In the emergency state, the dimming control is automatically released, so that the lamps in the emergency working state in each area abandon the dimming, etc., so that the emergency lighting in the accident state reaches 100%.

(7) Manual remote control is used to manually adjust the lighting fixtures in each area through infrared remote control.