1. Green energy saving of intelligent buildings
1.1 Overview of energy-saving technologies for smart buildings
Generally speaking, the green energy-saving measures in smart buildings actually refer to a management system project, but the energy-saving problems that appear in smart buildings in this management system may be more complicated than other common building energy-saving measures, that is, we In considering intelligent buildings, energy-saving technology refers not only to simple building energy conservation, but also to more consideration of some intelligent systems. For intelligent systems, the use of many systems and the reduction of related energy consumption require us to cause Attention.
1.2 Modern Green Intelligent Building Development Strategy
Modern green intelligent building development strategy. First of all, it is necessary to focus on the sustainable development of modern green intelligent buildings. The sustainable development of intelligent buildings needs to be started at the design stage. At the design stage, it should be carried out with the concept of environmental protection, so that it will have a future construction. Guidance, for example, there is a certain degree of relevance to the choice of building materials, we need to choose some sustainable building materials for construction. Moreover, there are certain scientific managements for the architectural applications of the late stage of the building and the maintenance phase of the building. Secondly, it is to effectively improve the intelligent building technology. The general intelligent building mainly includes the security system, the information management system and the information network system. However, our current technology is not perfect for these systems. To a large extent, we need to rely on many domestic and foreign manufacturers. The most important thing is that many large-scale project system integrations currently require large foreign companies. In progress, it can be said that we are not mature enough in many aspects such as technology, construction and application maintenance in smart building green energy conservation. Therefore, in the development of modern intelligent building green energy-saving technology, we must effectively manage the application of energy-saving devices. The management personnel must also have professional training to solve system problems in a timely and effective manner.
2. Green energy-saving measures in intelligent buildings
2.1 Green energy-saving measures for indoor heating in intelligent buildings
2.1.1 Solar energy saving technology
Generally speaking, what we call solar energy-saving technology mainly refers to solar collector technology. The solar collector technology mainly transmits heat energy by absorbing solar radiation, and then generating heat energy through its own transformation. The object we need can be called a heat transfer. At present, our application is very common for this method. The wide application of solar collectors is very beneficial to the development of solar energy-saving technologies. In addition, solar energy-saving technologies can also be used for heating, providing hot water, etc. In terms of life, it also plays a good role in drying, distillation, high temperature treatment, etc. in industrial production. Here we can mainly focus on heating, providing hot water and solar high temperature furnaces, the first is solar water heating. The provision of hot water by solar energy is mainly a way of using the collectors in solar energy to heat the water temperature and then supplying hot water to the households. Currently, this method is widely used among urban and rural residents. Solar water heaters are mainly vacuum-type, flat-type and better vacuum tubes. The second is the heating effect of solar energy. At present, there are two main types of heating measures that use solar energy. One is active heating and the other is passive heating. The active heating mentioned here mainly uses collectors, heating pipes and heat dissipation equipment. A solar heating system consisting of components, passive heating can eliminate the need for collectors, mainly through the orientation of the building to get heating effect.
2.1.2 Advantages and development of water ring heat pump air conditioning system
The current indoor air conditioning control technology is more commonly used in water ring heat pump type air conditioning technology. This technology mainly requires mature air source heat pump technology, and can only be further developed on the basis of air source heat pump technology. Therefore, the heat pump technology has been favored by people from the beginning, and the energy-saving technology and environmental protection technology of this technology have also received people's attention. The current heat pump technology is a very environmentally-friendly energy-saving technology. As a cold and heat source of the air-conditioning system, the technology mainly turns some waste low-temperature waste heat from nature into a higher temperature through some conversion technology, and uses it. Further meeting the functions of the HVAC system will better open up a new way for people to save fuel and rationally use fuel, and it will provide a new way for environmental protection, especially the current situation in China is a serious situation. Under the circumstance, the country's energy is relatively short. The rational and effective use of the water ring heat pump type air conditioning system can form a green, environmentally friendly, energy-saving and ecological system, which is getting more and more people's attention. It has a wide range of development and application in the future. Prospects.
2.1.3 Ground source heat pump type air conditioning technology
We talked about the water ring heat pump type air conditioning system. Another intelligent building energy saving technology is the ground source heat pump technology. This technology mainly uses the shallow underground geothermal resources, which we usually call geothermal energy. It mainly includes groundwater, soil or surface water, etc., forming an efficient energy-saving technology that can not only supply heat but also cool. Generally speaking, it can effectively provide heat source in winter, and can provide air conditioning cold source in summer. The main effect is to find out the heat in the ground energy in winter, and then improve the temperature by technology to achieve heating. In the summer, the heat in the room is taken out and released into the ground energy through technology.
2.1.4 Green Lighting Energy Saving Technology
1) Efficient use of natural light and solar lighting
At present, many public buildings, such as some public buildings, courtyard lighting of intelligent communities, and road lighting, etc., use the technology of photoelectric automatic control device, which is the intelligent brightness sensor we talk about. Sexual brightness sensor is mainly based on real-time weather conditions to better issue instructions, in order to automatically adjust the outdoor lighting, for the lighting of the opening or closing and brightness adjustment are the best effect requirements, not only have The effect of energy saving.
More importantly, sensor technology can be used to send the outdoor information collected by the sensor to the property management organization in a timely and effective manner. It is also necessary to place the field current transformer device on the outdoor lighting fixture, so that the current of the lamp collected by the device can also be collected. The signal is sent to the property management agency for timely and effective management, so that the property management organization can make a decision on the outdoor lighting effect according to the collected information, determine whether the lighting switch is needed, and when the illuminance value is set to less than 0, Once the current of the outdoor lamp is less than or equal to 0, it can be found that the problem is timely and the measures are taken, and the specific fault location is displayed, which is more conducive to management.
2) Reasonable selection of efficient light source
The lighting requirements of different places are not the same. For different places, our lighting equipment also has certain differences, mainly based on the nature, scale and main functions of each place, so that it can be reasonable. Choosing a light source is not only energy efficient but also more reasonable. Generally, the preferred lighting for residential roads is a low-power metal halide lamp with long life, high luminous efficiency and good color rendering. For some building facade lighting, some color rendering is good and the light effect is high. High-intensity gas discharge lamps, which are also effective for the illumination of such buildings, are also a very good choice for the use of interior and exterior illumination. There is also a wide range of building outline illumination, which can be used for light effects. High-quality long-life LEDs and high-quality LED strips.
2.2 Green energy-saving measures in building structure in intelligent buildings
2.2.1 Wall energy saving system measures
Use reasonable energy-saving wall materials or energy-saving measures to greatly improve the insulation performance of the building wall, thus reducing the energy loss to the building.
2.2.2 Door and window energy saving system
In the building, doors and windows are inevitable. It is a major channel for people to communicate with the natural environment. The potential of doors and windows in building energy conservation is also very large. Reasonable control of door and window energy-saving measures, energy-saving materials can reduce indoor energy loss. .
2.2.3 Water system
For the water system in the building, the choice of energy-saving appliances is a major measure to rationally recycle and reuse the wastewater to achieve energy conservation in the water system.
2.2.4 Natural ventilation utilization
In the building, the design of the building's openings can be naturally ventilated by wind pressure to help the building save energy, and at the same time, it is also important to improve the indoor environment of the building.
Editor: Liu Hai
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