The application of LED lighting fixtures in indoor lighting will move towards energy-saving intelligentization and humanization. The LED indoor lighting market will involve many aspects from chip, module, whole lamp manufacturing to lighting design. Especially with the increasing use of LED lighting indoors, lighting design has become more and more important, and has become a road of segmentation and specialization. Many new design concepts and design elements have been injected into indoor lighting. In the design, it adds fresh vitality to the interior lighting.
Faced with the rapid development of LED lighting trends, the trend has turned to the field of indoor lighting, becoming the huge market that people are most concerned about. How to adjust the design, lighting product development and manufacturing, and the design and production of upstream modules to keep LEDs healthy and orderly in the field of indoor lighting. The development has become the most concerned issue for lighting companies.
After experiencing landscape lighting and outdoor lighting , indoor commercial lighting has become the market space most favored by people in the industry. With the development of modern commercialization, LED lighting has been applied more and more, and it has become an important aspect of the future development of LED. LED lamps have great potential for development in the field of indoor lighting.
Before the people's demand for lighting was very simple, mainly to solve the basic lighting problems, but with the improvement of people's living standards and quality of life, lighting green energy-saving lighting began to get people's attention. In the era of vigorously promoting energy conservation and environmental protection, the energy saving and environmental protection of LED lamps is undoubtedly an important magic weapon in the future lighting design. The choice of high-efficiency, low-energy light source lamps is also testing the determination of interior designers.
The use of environmentally friendly, efficient, long-life, safe and stable lighting electrical products to improve people's work, study, living conditions and quality, thus creating an efficient, comfortable, safe, economical and beneficial living and working environment. LEDs need and must be tightly integrated with the lighting design to meet the needs of indoor lighting. The development direction of LED indoor lighting is human-oriented scientific lighting; meeting individualized and hierarchical multi-directional lighting needs; intelligent lighting; green and sustainable lighting.
Now humanization has become a new element in lighting design. In the design, we need to consider the different effects of different lighting environments on human physiology and psychology, and then design for the differences in seasons, cultural differences, geographical differences, etc., to create a vivid and human lighting. surroundings. Secondly, intelligent lighting has gradually become the new favorite of designers. Intelligent lighting can not only make lighting more energy-saving and environmentally friendly, but also simulate the lighting effects of different scenes through intelligent control, and realize intelligent lighting control by means of infrared, video, motion, timing and other technical means to achieve the most comfortable and most Efficient lighting effects.
In general, ONU devices can be classified according to multiple application scenarios such as SFU, HGU, SBU, MDU, and MTU.
1. SFU type ONU deployment
The advantage of this deployment method is that the network resources are relatively abundant, and it is suitable for independent households in the FTTH scenario. It can ensure that the user terminal has broadband access functions, but does not involve more complicated home gateway functions. The SFU in this environment has two common forms: it provides both an Ethernet interface and a POTS interface; it only provides an Ethernet interface. It should be noted that SFU can provide coaxial cable functions in both forms to facilitate the realization of CATV services, and it can also be used with home gateways to facilitate the provision of value-added service functions. This scenario is also applicable to enterprises that do not need to exchange TDM data.
2. HGU type ONU deployment
The HGU type ONU terminal deployment strategy is similar to the SFU type, except that the functions of the ONU and RG are integrated in hardware. Compared with SFU, it can realize more complicated control and management functions. The U-shaped interface in this deployment scenario is built into the physical device and does not provide an interface. If you need to provide an xDSLRG device, you can directly connect multiple types of interfaces to the home network, which is equivalent to a home gateway with an EPON upstream interface. Used in FTTH occasions.
3. SBU type ONU deployment
This deployment scheme is more suitable for independent enterprise users to construct the network under the FTTO application mode, and is based on the enterprise change of SFU and HGU deployment scenarios. The network in this deployment environment can support broadband access terminal functions and provide users with multiple data interfaces including El interface, Ethernet interface, and POTS interface, which can meet the needs of enterprises in data communication, voice communication, and TDM dedicated line services. Usage requirements. The u-type interface in the environment can provide enterprises with a frame structure with multiple attributes, which is more powerful.
4. MDU type ONU deployment
This deployment scheme is suitable for multi-user network construction under multi-application modes such as FTTC, FTTN, FTTCab, and FTTZ. If enterprise-level users have no demand for TDM services, this solution can also be used for EPON network deployment. This deployment solution can provide broadband data communication services for multiple users, including Ethernet/IP services, VoIP services, and CATV services and other multi-service modes, with powerful data transmission capabilities. Each of its communication ports can correspond to a network user, so in comparison, its network utilization rate is higher.
5. MTU-type ONU deployment
The deployment plan is based on the commercialization of the MDU deployment plan. It can provide multi-enterprise users with multiple interface services including Ethernet interfaces and POTS interfaces, and can meet enterprise voice, data, TDM private line services and other services demand. If combined with the slot type implementation structure, richer and more powerful business functions can be realized.
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