57 results about "Air conditioning" patented technology

The invention relates to a composite air-conditioning system combining an air source heat pump system and a rotating wheel dehumidification system. The composite system comprises a heat pump system and a rotating wheel dehumidification system; the dehumidifier unit consists of a dehumidification rotating wheel, a heat exchange rotating wheel, an evaporator, a heater, an air refreshing machine andan exhaust fan; and the heat pump unit consists of equipment such as a frequency conversion compressor, an outdoor heat exchanger, an indoor heat exchanger, a gas-liquid separator, a four-way change valve and the like. The composite air-conditioning system is combined with indoor radiant heating and cooling, and by means of controlling an electronic expansion valve, an electromagnetic valve, a one-way valve and a constant pressure valve, two vaporization temperature operation conditions are realized; and a dehumidification rotating wheel, a heat exchange rotating wheel, and the outdoor heat exchanger and the indoor heat exchanger of the heat pump unit are combined, the high temperature waste heat of the exhaust air of the compressor is used as the renewable energy for the dehumidificationrotating wheel, and part of cold of the heat pump is used for cooling the refreshed air, thus the performance of the dehumidifier unit is improved.

The invention discloses an intelligent home control system based on Zigbee. The intelligent home control system based on Zigbee comprises an intelligent wireless management center, a lamplight controlmodule, an air conditioning control module, a curtain control module, a home theatre control module, a security and protection control module, a Zigbee receiving and dispatching module, a camera anda wireless communication module; the Zigbee receiving and dispatching module is used for achieving data communication between the intelligent wireless management center and the lamplight control module, the air conditioning control module, the curtain control module, the home theatre control module and the security and protection control module through a zigbee communication mode respectively; thecamera is connected with the intelligent wireless management center and used for collecting images in a house; the wireless communication module is used for being connected with a mobile communication terminal in a wireless communication mode. The intelligent home control system based on the Zigbee has the multiple control modules, control functions are complete, multiple contextual models are set in the intelligent wireless management center, using is convenient and fast, one contextual model only needs to be selected, and multiple intelligent homes can be simultaneously controlled.

The invention provides a gas heat recycling heat pump air-conditioning system for an electric automobile. The system comprises an automobile totally enclosed variable-frequency air-conditioning compressor, an external air heat exchanger, an internal air heat exchanger, a liquid storing drier, a gas-liquid separator, a low-pressure throttling valve, a compressor cooling synergistic air mixing system, a driving motor gas heat recycling system, a system mode switching device and the like, wherein the automobile totally enclosed variable-frequency air-conditioning compressor is driven by using a direct-current motor; and the driving motor gas heat recycling system consists of a gas-gas bilateral cooling motor waste heat cooling device, a waste heat recycling control device and a connecting air duct. In the gas heat recycling heat pump air-conditioning system, five working modes, i.e., refrigerating in summer, ordinary heating in summer, ultralow-temperature heating, vehicle window defrosting / defogging and external low-temperature heat source heat exchanger surface defrosting can be realized for the electric automobile, and the system can be used for normally heating circularly at outdoor ultralow environmental temperature through the compressor cooling synergistic air mixing system and the driving motor gas heat recycling system.

Provided is a positive temperature coefficient (PTC) unit for a vehicle heater. The PTC unit according to an exemplary embodiment of the present invention includes: a heat generation part which includes PTC elements; and a heat radiation part which is provided on at least one surface of the heat generation part and includes a heat radiation base material and a heat radiation film provided on at least a portion of an outer surface of the heat radiation base material to improve heat radiation performance. According to the present invention, improved heat radiation performance may be exhibited, and concurrently, heat radiation performance due to excellent durability may be exhibited for a long period of time without a structural change for increasing a specific surface area of a heat radiation part while reducing an air ventilation property, so as to improve heat radiation performance. In addition, since an air ventilation property of the heat radiation part is increased, it is possible to prevent increases in noise and power consumption due to excessive use of peripheral devices such as a fan. Furthermore, since it is possible to prevent overheating of a PTC module and overload of a PTC module control circuit, which are caused by a reduction in the air ventilation property of the heat radiation part, a high-priced and high performance control circuit may not be required, thereby implementing a PTC heater for a vehicle with reduced production costs.

The invention provides a flash evaporator type air-supplying and enthalpy-increasing heat pump and dehumidifying turning wheel combined type air-conditioning system. The flash evaporator type air-supplying and enthalpy-increasing heat pump and dehumidifying turning wheel combined type air-conditioning system is characterized in that the air-conditioning system comprises a treatment air system, a regeneration air system, a dehumidifying turning wheel and a flash evaporator type air-supplying and enthalpy-increasing heat pump system, wherein the treatment air system is used for dehumidifying and cooling treatment air; the regeneration air system is used for heating ambient air by means of condensation heat of the flash evaporator type air-supplying and enthalpy-increasing heat pump system to regenerate the dehumidifying turning wheel; the dehumidifying turning wheel comprises an adsorption area and a regeneration area, the adsorption area is arranged in the treatment air system, the regeneration area is arranged in the regeneration air system, and the dehumidifying turning wheel is driven by a motor to rotate in the treatment air system and the regeneration air system, so that the adsorption area and the regeneration area are switched continuously; and the flash evaporator type air-supplying and enthalpy-increasing heat pump system is arranged between the treatment air system and the regeneration air system and used for cooling the treatment air and heating and regenerating the dehumidifying turning wheel, the adsorption area rotates to the regeneration area after adsorbing moisture, and in the regeneration air system, the ambient air is heated through the flash evaporator type air-supplying and enthalpy-increasing heat pump system, and then passes through the regeneration area to regenerate the dehumidifying turning wheel.

The invention discloses a heat pump system of a sewage source. The heat pump system consists of a water source heat pump unit, an air-conditioning system and an outdoor sewage source system, wherein the outdoor sewage source system comprises a sewage pool, a plurality of groups of heat-exchange drain pipes, two sewage taking wells, two sewage feed pumps and two sewage drain pumps. Urban raw sewage serves as a cold and heat source of the heat pump system, can be up to the water temperature of about 12 DEG C in winter and is not high in water temperature in summer, so that the urban sewage is the very ideal cold and heat source of the water source heat pump unit, primary energy can be greatly saved, the exhaustion of harmful air can also be reduced, the operation cost is low, and the economic benefic is obvious.

The invention discloses a kitchen air conditioning system with a total heat exchange function. The kitchen air conditioning system comprises an air conditioning assembly and an oil smoke suction assembly, wherein a first heat exchanger is installed in an air outlet channel inside an air conditioner indoor unit; a second heat exchanger is installed in a smoke exhaust channel inside a range hood; the air conditioning assembly further comprises a total heat exchanger matched with the air conditioner indoor unit; air from the indoor space outside a kitchen returns by being divided into two paths; one path of returned air is exhausted into a smoke exhaust pipe through the total heat exchanger; the other path of returned air enters the air conditioner indoor unit and is supplemented into the kitchen or the indoor space outside the kitchen; and outdoor fresh air can be supplemented into the kitchen or the indoor space outside the kitchen through the total heat exchanger and the air conditioner indoor unit in sequence. The kitchen air conditioning system has the advantages that the range hood, the total heat exchanger and the kitchen air conditioner are combined, so that the whole-house fresh air function can be achieved, and the energy efficiency level of the kitchen air conditioner in the refrigeration state can be improved; and in addition, the service life of an evaporator in a refrigeration system can be obviously prolonged through returned air refrigeration of a living room and a restaurant.