Multi-connection type fresh air conditioner unit with exhaust air heat pump heat recovery function and heat exchange method
A technology of fresh air air conditioning and heat recovery, applied in heat recovery systems, heating methods, air conditioning systems, etc., can solve problems such as unfavorable compressor operation, inability to shut down independently, and high system high pressure, so as to improve the life of the unit and facilitate normal operation. The effect of reducing the energy consumption of the whole machine
Active Publication Date: 2017-05-24
NANTONG HUAXIN CENT AIR CONDITIONER +1
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Problems solved by technology
[0004] However, there are two technical bottlenecks in the traditional condensing exhaust fresh air air conditioning unit: 1. Since the condensing air volume (exhaust air volume) cannot be higher than the supply air volume, the high pressure of the system under cooling conditions is high, which is not conducive to the normal operation of the compressor
2. The air supply and exhaust of the traditional condensing exhaust and fresh air unit are designed in the same box, and centralized control is adopted. When there is a need for ventilation in any area of the building, the unit will start up as a whole. For areas without ventilation needs , can not be shut down alone, there is a waste of energy
Method used
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Embodiment
[0041] Such as figure 1 As shown, the working flow chart of the multi-connected fresh air air conditioning unit with exhaust heat pump heat recovery in this embodiment. This embodiment designs a multi-connected condensing exhaust air dehumidification fresh air unit with outdoor heat exchangers. The fresh air air conditioning unit is composed of No. 1 indoor air conditioning unit 1, No. 2 indoor air conditioning unit 2 and outdoor unit 3.
[0042] The outdoor unit 3 mainly includes a compressor 53, a four-way reversing valve 54, an outdoor heat exchanger 51, an outdoor fan 52, a first throttling device 56, a first solenoid valve 55, and a refrigerant connection pipe L g 61. Refrigerant connecting pipe L f 62. Refrigerant connecting pipe L e 63. Refrigerant connecting pipe L d 64. Refrigerant connecting pipe L c 65. Refrigerant connecting pipe L a 66. Refrigerant connecting pipe L b 67. Refrigerant connecting pipe L n 68 and refrigerant connecting pipe L m 69.
[0043] No. 1 indoor a...
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The invention discloses a multi-connection type fresh air conditioner unit with an exhaust air heat pump heat recovery function. The technical problem that a traditional condensation exhaust air fresh air conditioner unit mentioned in background technology has defects is solved. According to the adopted technical scheme, the multi-connection type fresh air conditioner unit with the exhaust air heat pump heat recovery function comprises an outdoor unit and at least two parallel-connection indoor air conditioner units, and the indoor air conditioner units are connected with the outdoor unit. The invention further discloses a heat exchange method. The multi-connection type fresh air conditioner unit with the exhaust air heat pump heat recovery function and the heat exchange method have the advantages that according to the multi-connection type fresh air conditioner unit, an outdoor heat exchanger is added, so that the energy efficiency and operation stability of a refrigeration condition unit are improved, and the unit flexibility is improved through parallel connection of the multiple indoor air conditioner units.
Description
Technical field [0001] The invention relates to a fresh air air conditioning unit, in particular to a multi-connected fresh air air conditioning unit with exhaust heat pump heat recovery and a heat exchange method. Background technique [0002] With the increasingly serious problem of air pollution and the continuous improvement of people's living standards, fresh air air conditioning units have also received more and more attention. The fresh air air conditioner unit introduces outdoor fresh air and sends it indoors after temperature and humidity treatment to improve indoor air quality and meet people's requirements for comfort and health. Although the fresh air system is very important for improving air quality, the energy consumption caused by heat and moisture treatment is huge. [0003] In order to reduce the energy consumption of the unit, the exhaust air heat recovery fresh air air conditioning unit based on the refrigerant heat pump cycle came into being, which is also cal...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F24F5/00F25B13/00F25B41/04F25B41/20
CPCF24F3/065F24F5/001F25B13/00F24F2221/54F25B2313/02741F25B41/20Y02P80/15
Inventor 葛洋曹祥张春路俞越
Owner NANTONG HUAXIN CENT AIR CONDITIONER