Energy-saving cold-heat air-conditioning, water-heating three-purpose machine capable of being used all gear round
A technology for heating and cooling air conditioners and three-purpose machines, which is applied in the field of energy saving and can solve the problems of prone to mechanical failure, incomplete recovery of refrigerant condensation waste heat, and unstable amount of refrigerant in the circulation loop.
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Embodiment 1
[0024] The four-season energy-saving three-purpose machine for cooling, heating, air conditioning, and hot water of the present embodiment includes four major parts of the outdoor unit O, the indoor unit I, the water-cooling heat exchanger B and the operation control and protection system of the heating and cooling air conditioner (the electric control part is not shown in the figure) , with a hot water storage tank H; the indoor unit I retains all of the original air conditioner indoor unit, see the dotted line box I, which includes an indoor air-cooled heat exchanger V, an indoor unit fan F2 and a wind deflector FD, Indoor temperature sensor K1, indoor coil temperature sensor K2, the two ends of the connecting pipe fittings leave the interface V with the outdoor unit 1 , V 2 The outdoor unit O is seen in the dotted line box O, and it includes the compressor C of the existing air-conditioning outdoor unit, the four-way two-position reversing solenoid valve T, the outdoor unit...
Embodiment 2
[0036] attached figure 2 It is the main component and the connection relationship of the three-purpose machine embodiment 2 of the present invention, and it is connected with the attached figure 1 The difference between the embodiments is that the water-cooled heat exchanger B is also used as a subcooler, and the refrigerant inlet B of the water-cooled heat exchanger B 1 Same as the air outlet D of the main valve of the three-way two-position reversing solenoid valve of the air circuit 3 (normally closed port) and two check valves P 1 and P 4 The outlets are connected; the common low-pressure exhaust port d 4 It is the low-pressure air outlet T of the four-way solenoid valve T 3 The low-pressure pipeline connected to the air inlet of the liquid reservoir Q is connected to the front of the air inlet of the liquid storage tank Q 1 point; the throttling device of its outdoor unit is a double-circuit two-way throttling mechanism.
[0037] Its complete structure and connecti...
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