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The suitable is the best

Solar building technology in China has been from the traditional passive solar heating buildings, become can be integrated solar photovoltaic, solar heating, water heating, solar refrigeration and air conditioning, solar ventilation cooling, such as controlled natural lighting compound solar building. In 2005 the first "China solar building design competition", has been fully show - building technology and solar integrated technology perfect fit. As a result, "China solar building design competition" to get the attention of the international solar energy society, the competition has become an important part of the world solar energy congress in 2007, and will expand to global competition.

National housing and living environment engineering technology research center, deputy director of the solar building technology institute, solar building professional committee secretary zhang said: "the solar energy utilization technology of developed countries is not applicable in our country. In housing, for example, most homes abroad with detached, low-rise residential or multilayer residential terrace type is given priority to, but our country is given priority to with multilayer, collection of small high-rise residential. The different architectural form, related products and design techniques should be innovation and breakthrough. We conducted a biennial solar building design competition, the purpose is generalized, this set for the general scientific and technical workers, production enterprises engaged in solar energy utilization of the construction industry and the general engineering and technical personnel and enterprise cooperation, continuous innovation, combining with the characteristics of our country building and climate types, best solar building construction."

Should be a full range of integrated design research

In the solar hot water engineering in the process of the promotion, building designers are faced with the confusion is: the house can use and how to use the solar energy hot water system? The answer is to use integration design. Residential solar water heating system integration design is to point to in the residential construction, using solar energy as heat source of residential solar hot water system design. From planning orientation, construction drawing design to installation and acceptance evaluation of the whole process of design and construction, and involves construction, structure, equipment, and other professional. Therefore, residents resource conditions, residential type, area of economic capacity, plane layout, architectural appearance, hot water consumption, collector type and performance, system configuration, operation mode is to consider in the design of integration.

So, what are the principles of the integration of design? Expert introduction, solar hot water system in the design of solar building integration technology includes four aspects: the energy conservation principle, use principle, the principle of suitability, security principles. Specific refers to give priority to, make full use of solar energy conservation principle; Provide stability principle of the use of hot water supply; Overall consideration building, the installation of equipment, parts and the suitability of the interface principle: the safety of the safe and reliable, and convenient maintenance. These are the first factor to consider.

Engineering practice test technical effect

Engineering practice is the only standard for testing technology. Residential engineering center according to the different parts of the country's resource conditions, architectural form, and set up six engineering experimental base. Qing garden district in Beijing, for example, the designers from planning and design stage will pay attention to the introduction of the concept of solar energy utilization, and combining with the characteristics of the project construction, in the balcony column plate type solar water heater collector technology as the foundation. The key to solve the problems of high-rise buildings will not be able to use the solar energy hot water.

Due to the village of 11 layers of plate more small high-rise buildings. The number of inhabitants each building is more than the multilayer residence. If using common construction roof installation of solar water heater, the average roof available area is small, can't put enough collector to meet this need, so the designer adopted household type balcony column plate type solar water heater installation. Integrated design in several aspects: one is the reasonable choice heating system. The prerequisite for this is to ensure that the resident water function, at the same time considering the Beijing climate is hot summer and cold winter region, so the heating system to use the anti-freezing medium. The second is to set aside collector installation location. Approach is based on the thickness of the collector, will take 0.15 meters, the balcony floor more solar collectors are placed on the balcony on the lateral column board, at the same time, according to the needs of the installation of the collector, reserve a fixed bolt and set on the balcony column board heat cycle pipe wall of the casing. The solar energy application design reflects the unity of building beautiful with use function, completed the solar collector and combined with the research of facade.

Solar building should focus on "localization"

The great success of the first China solar building design contest marked the our country the research and construction of solar building a solid step forward, in the spread of solar building concept had the desired effect, and in the domestic set off a further exploration on the application of the solar building design. Such as the second prize of "rural solar housing design", embodies the low technology, efficient, economic and feasible, the characteristics of "localization" very much. China's solar industry alliance network

The first competition attracted construction in colleges and universities, research institutes, design institute, production enterprises, such as the active participation of the people from all walks of life, to promote and popularize the purpose of the concept of solar building technology, improve the level of application. Competition works reflects the connotation of solar building from different angles, including the construction of the whole life cycle implementation strategy, embodies the suitability of construction technology and solar energy technology combined with principles. Especially to combining with the characteristics of China's architectural design and style, according to the different USES to design more suitable for work. At the same time, this activity also caused the extensive concern of the international community, overseas funds and research strength are injected into the solar products production and promotion of China.

We look forward to, with the improvement of solar building design and the realization of the industrialization of solar technology products, our solar building with a local flavor and more creative, more sunny.