Carbon dioxide air conditioning system for building and building with air conditioning system
A carbon dioxide and air-conditioning system technology, applied in air-conditioning systems, sustainable buildings, compressors with reversible cycles, etc., can solve the problems of unsafe refrigeration systems, destruction of the atmospheric ozone layer, high energy consumption per unit area, etc., and achieve uniform indoor temperature distribution , human body comfort, good energy-saving benefits, and high system operating efficiency
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Embodiment 1
[0035] see figure 1 It is a schematic diagram of a carbon dioxide air conditioning system for a building provided in this embodiment of the present invention. The carbon dioxide air conditioning system for a building provided in this embodiment includes an indoor heat exchanger 4, a carbon dioxide compressor 1, a ground source heat exchanger 2 and The reversing device, the indoor heat exchanger 4, the carbon dioxide compressor 1 and the ground source heat exchanger 2 are connected through the carbon dioxide circulation pipeline to form a circulation loop, the reversing device is set in the carbon dioxide circulation pipeline, and the indoor heat exchanger 4 is set in the building In the floor and / or in the wall; the ground source heat exchanger 2 is arranged underground. In this embodiment, the ratio of the inner diameter to the outer diameter of the carbon dioxide circulation pipeline is 0.99:1 to 0.2:1, preferably 0.95:1 to 0.7:1, and the specific values can be selected fr...
Embodiment 2
[0040] see figure 2 It is a schematic diagram of a carbon dioxide air-conditioning system for a building provided by this embodiment of the present invention. This embodiment provides a reversing device with another structure. The reversing device includes a first solenoid valve 6, a second solenoid valve 7, a first The three solenoid valves 8 and the fourth solenoid valve 11 are connected as figure 2 shown. This embodiment is applied to the air conditioning system, and its principle is as follows: figure 2 shown. During cooling in summer, the indoor heat exchanger is an evaporator, the ground source heat exchanger is a condenser, the first solenoid valve 6 and the third solenoid valve 8 are closed, and the second solenoid valve 7 and the fourth solenoid valve 11 are energized to open to realize cooling cycle. During heating in winter, the indoor heat exchanger is a condenser, the ground source heat exchanger is an evaporator, the first solenoid valve 6 and the third so...
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