CN111503784A - Fresh air environment-control hot water all-in-one machine - Google Patents
Fresh air environment-control hot water all-in-one machine Download PDFInfo
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- CN111503784A CN111503784A CN202010332704.4A CN202010332704A CN111503784A CN 111503784 A CN111503784 A CN 111503784A CN 202010332704 A CN202010332704 A CN 202010332704A CN 111503784 A CN111503784 A CN 111503784A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1405—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
- F24F2003/1446—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only by condensing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
Abstract
Fresh air environmental control hot water all-in-one, including indoor unit, outdoor unit and sanitary hot water unit, indoor unit including air reheat condenser, evaporimeter, indoor fan, check valve, dehumidification throttling arrangement, fourth solenoid valve, total heat exchange core, the fan and the controller of airing exhaust, outdoor unit include compressor, cross valve, outdoor fan, outdoor condenser, a throttling arrangement, secondary throttling arrangement, first solenoid valve, second solenoid valve, third solenoid valve, flash drum, first stop valve, second stop valve, outdoor unit group including sanitary hot water tank, water heater and water pump, this scheme collects all functions of equipment such as air conditioner, air source heat pump, fresh air dehumidifier and total heat exchanger, avoids the loaded down with trivial details each equipment of installation of user, saves the cost. And the installation method and the installation mode have no special requirements, and the workload and the installation cost in any installation aspect are not increased for engineering installation personnel.
Description
Technical Field
The invention relates to a fresh air and environment control hot water all-in-one machine, which is used for an environment adjusting system and hot water treatment of a refrigeration function, an isothermal or temperature rise dehumidification function, a heating function, a sanitary hot water making function, a fresh air and a total heat exchanger (air heat and cold recovery) in home life and workplaces, and belongs to indoor air quality adjusting and sanitary hot water equipment.
Background
Along with the development of society, people have higher and higher requirements on self quality and living environment quality, equipment functions such as air conditioners (refrigeration and heating), air source heat pumps (sanitary hot water production), fresh air dehumidifiers (dehumidification), total heat exchangers (air heat and cold recovery) and the like in the existing products are single, each system operates independently, one set of machine cannot be used for comprehensive treatment, raw materials and operation cost are greatly wasted, and each equipment occupies a large area and is not beneficial to installation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an environment adjusting system and a hot water treatment all-in-one machine for refrigerating, dehumidifying, heating, producing sanitary hot water, and performing functions of fresh air and a total heat exchanger on an indoor environment (air) and water, wherein the fresh air and ring control hot water all-in-one machine is provided with a low-temperature (not less than-20 ℃) heating function, a low-temperature (not less than-20 ℃) sanitary hot water producing function and a sanitary hot water tank compatible with a solar water heater.
The technical scheme of the fresh air environment-control hot water all-in-one machine is as follows: including indoor unit, outdoor unit and sanitary hot water unit, its characterized in that indoor unit in including air reheat condenser, evaporimeter, indoor fan, check valve, dehumidification throttling arrangement, fourth solenoid valve, total heat exchange core, the fan and the controller of airing exhaust, outdoor unit include compressor, cross valve, outdoor fan, outdoor condenser, a throttling arrangement, secondary throttling arrangement, first solenoid valve, second solenoid valve, third solenoid valve, flash drum, first stop valve, second stop valve, outdoor unit group including sanitary hot water tank, water heater and water pump, during the refrigeration: the compressor is started, high-temperature and high-pressure refrigerant directly enters the outdoor condenser through the four-way valve without reversing through the first electromagnetic valve (without passing through the sanitary hot water tank), the refrigerant is cooled and then enters the indoor unit after being subjected to pressure reduction and temperature reduction through the primary throttling device and the secondary throttling device, the fourth electromagnetic valve is opened and then enters the evaporator, the refrigerant returns to the compressor after being cooled, normal refrigeration cycle is completed, and after the electromagnetic valve is opened, the pressure of the inlet and the outlet of the air reheating condenser is equal, so that no refrigerant flows in the indoor condenser.
When refrigerating and making sanitary hot water: the compressor is started, the high-temperature and high-pressure refrigerant is reversed by the first electromagnetic valve, passes through the sanitary hot water tank, heats cold water in the sanitary hot water tank, enters the outdoor condenser after being cooled for the first time by the four-way valve, enters the indoor unit after being cooled for the second time by the first throttling device and the second throttling device, is cooled by the second throttling device, is opened by the fourth electromagnetic valve, enters the indoor evaporator, cools air and returns to the compressor to complete normal refrigeration and sanitary hot water heating circulation, and after the fourth electromagnetic valve is opened, the inlet and outlet pressures of the air reheating condenser are equal, so that no refrigerant flows in the indoor reheating condenser.
When dehumidifying: the compressor is started, the high-temperature and high-pressure refrigerant is not reversed through the first electromagnetic valve (does not pass through the sanitary hot water tank, directly enters the outdoor condenser through the four-way valve, the secondary throttling device is fully opened at the moment, the refrigerant enters the indoor unit after being subjected to primary temperature and pressure reduction through the primary throttling device after being partially cooled, the refrigerant enters the indoor air reheating condenser for continuous heat dissipation, the refrigerant enters the evaporator after being subjected to temperature and pressure reduction through the dehumidification throttling device after being heated, and the refrigerant returns to the compressor after being evaporated to complete the dehumidification refrigeration cycle;
when sanitary hot water is prepared: the compressor is started, the fourth electromagnetic valve is closed, the high-temperature high-pressure refrigerant is reversed by the first electromagnetic valve, passes through the sanitary hot water tank, heats cold water in the sanitary hot water tank, enters the four-way valve after being cooled for the first time, is opened by the second electromagnetic valve, has no refrigerant flowing in the indoor evaporator and the indoor reheating condenser due to the pressure balance of the indoor refrigerant, then enters the outdoor condenser after being reduced in pressure and cooled by the secondary throttling device and the primary throttling device, returns to the air suction port of the compressor after being evaporated, and completes the sanitary hot water circulation. The sanitary hot water tank can be independently used and is directly connected with the water pump and the water heater, the water heater cools and heats the water tank, and the water heater can be a solar water heater, so that the energy is saved and the environment is protected.
During heating: the compressor is started, the fourth electromagnetic valve is closed, after a high-temperature and high-pressure refrigerant passes through the four-way valve, the first electromagnetic valve is not reversed, the refrigerant does not pass through the sanitary hot water tank, the second electromagnetic valve is closed, the refrigerant enters the indoor evaporator, is continuously cooled through the one-way valve and the air reheating condenser after being cooled, enters the outdoor unit, is subjected to pressure reduction and cooling through the secondary throttling device and the primary throttling device, enters the outdoor condenser, returns to the air suction port of the compressor after being evaporated, and completes the heating cycle;
during fresh air total heat exchange: after the air exhaust fan and the indoor fan are started, the fresh air and the exhaust air exchange energy through the total heat exchange core to achieve heat and cold recovery. For example, in winter, outdoor low-temperature fresh air is exchanged with indoor high-temperature exhaust air, so that the temperature of the low-temperature fresh air is raised and sent to the indoor, heat is recovered, and the purpose of reducing energy loss is achieved. The mixed return air of new trend is sent into indoorly, reduces indoor carbon dioxide concentration, improves the indoor air VOC quality.
The fresh air environment-control hot water all-in-one machine comprises all functions of air conditioners (refrigeration and heating), air source heat pumps (sanitary hot water production), fresh air dehumidifiers (dehumidification), total heat exchangers (air heat and cold recovery) and the like, and avoids the problems that users install all devices in a complicated mode, installation space is wasted, and maintenance cost is high. Various requirements of users can be met only by installing the fresh air environment-control hot water all-in-one machine, the installation method and the installation mode have no special requirements, and workload and installation cost in any installation aspect are not increased for engineering installation personnel.
Drawings
FIG. 1 is a schematic structural diagram of a fresh air environment-control hot water all-in-one machine of the invention;
FIG. 2 is a schematic view of the cooling mode operation of the present invention;
FIG. 3 is a schematic view of the refrigeration, sanitary hot water mode operation of the present invention;
FIG. 4 is a schematic diagram of the isothermal or temperature-increasing dehumidification mode operation of the present invention;
FIG. 5 is a schematic view illustrating the operation of the present invention in heating and sanitary hot water mode;
FIG. 6 is a schematic view illustrating a heating operation in a heating and sanitary hot water mode according to the present invention;
FIG. 7 is a schematic view of the air flow of the fresh air total heat exchange indoor unit of the fresh air environment-control hot water all-in-one machine of the invention.
Detailed Description
The invention relates to a fresh air environment-controlled hot water all-in-one machine, as shown in fig. 1-7, comprising an indoor unit, an outdoor unit and a sanitary hot water unit, wherein the indoor unit comprises an air reheating condenser 5, an evaporator 6, an indoor fan 7, a one-way valve 8, a dehumidifying and throttling device 9, a fourth electromagnetic valve 10, a total heat exchange core 22, an exhaust fan 23 and a controller 24, the outdoor unit comprises a compressor 1, a four-way valve 2, an outdoor fan 3, an outdoor condenser 4, a primary throttling device 12, a secondary throttling device 13, a first electromagnetic valve 17, a second electromagnetic valve 14, a third electromagnetic valve 15, a flash evaporation cylinder 16, a first stop valve 11 and a second stop valve 18, the outdoor unit comprises a sanitary hot water tank 19, a water heater 21 and a water pump 20, and during refrigeration: the compressor 1 is started, high-temperature and high-pressure refrigerant is not reversed through the first electromagnetic valve 17, namely, the refrigerant does not pass through the sanitary hot water tank 19, directly enters the outdoor condenser 4 through the four-way valve 2, is subjected to pressure reduction and temperature reduction through the primary throttling device 12 and the secondary throttling device 13 after being cooled, enters the indoor unit, the fourth electromagnetic valve 10 is opened, enters the evaporator 6, the cooled air returns to the compressor 1 to complete normal refrigeration cycle, and after the electromagnetic valve 10 is opened, the inlet and outlet pressures of the air reheating condenser 5 are equal, so no refrigerant flows in the indoor condenser 5.
When refrigerating and making sanitary hot water: the compressor 1 is started, high-temperature and high-pressure refrigerant is reversed by the first electromagnetic valve 17, passes through the sanitary hot water tank 19, heats cold water in the sanitary hot water tank, enters the outdoor condenser 4 after being cooled for the first time by the four-way valve 2, is reduced in pressure and temperature by the primary throttling device 12 and the secondary throttling device 13 after being cooled for the second time, enters the indoor unit, the fourth electromagnetic valve 10 is opened, enters the indoor evaporator 6, cools air and returns to the compressor 1, normal refrigeration and sanitary hot water circulation is completed, after the fourth electromagnetic valve 10 is opened, the inlet and outlet pressures of the air reheating condenser 5 are equal, and no refrigerant flows in the indoor reheating condenser 5.
When dehumidifying: the compressor 1 is started, high-temperature and high-pressure refrigerant is not reversed through the first electromagnetic valve 17, namely, the refrigerant does not pass through the sanitary hot water tank 19, directly enters the outdoor condenser 4 through the four-way valve 2, at the moment, the secondary throttling device 13 is fully opened, after partial temperature reduction, the refrigerant enters the indoor unit after being subjected to preliminary temperature reduction and pressure reduction through the primary throttling device 12, the refrigerant is closed, the refrigerant enters the indoor air reheating condenser 5 to continue heat dissipation, after low-temperature and low-humidity air is heated, the refrigerant enters the evaporator 6 after being subjected to temperature reduction and pressure reduction through the dehumidification throttling device 9, and the refrigerant returns to the compressor;
when sanitary hot water is prepared: the compressor 1 is started, the fourth electromagnetic valve 10 is closed, the high-temperature and high-pressure refrigerant is reversed through the first electromagnetic valve 17, passes through the sanitary hot water tank 19, heats cold water in the sanitary hot water tank 19, enters the four-way valve 2 after being cooled for the first time, and is started through the second electromagnetic valve 14, and no refrigerant flows in the indoor evaporator 6 and the indoor reheating condenser 5 due to pressure balance of the indoor refrigerant, and then enters the outdoor condenser 4 after being reduced in pressure and temperature through the secondary throttling device 13 and the primary throttling device 12, and returns to an air suction port of the compressor 1 after being evaporated, so that sanitary hot water circulation is completed. The sanitary hot water tank 19 can also be independently used and is directly connected with the water pump 20 and the water heater 21, the water heater cools and heats the water tank, and the water heater can be a solar water heater, so that the energy is saved, and the environment is protected.
During heating: the compressor 1 is started, the fourth electromagnetic valve 10 is closed, after a high-temperature and high-pressure refrigerant passes through the four-way valve 2, the first electromagnetic valve 17 is not reversed, the refrigerant does not pass through the sanitary hot water tank 19, the second electromagnetic valve 14 is closed, the refrigerant enters the indoor evaporator 6, after being cooled, the refrigerant enters the outdoor unit after being continuously cooled by the one-way valve 8 and the air reheating condenser 5, after being reduced in pressure and temperature by the secondary throttling device 13 and the primary throttling device 12, the refrigerant enters the outdoor condenser 4, after being evaporated, the refrigerant returns to an air suction port of the compressor 1, and the heating;
during fresh air total heat exchange: after the exhaust fan 23 and the indoor fan 7 are started, the fresh air and the exhaust air exchange energy through the total heat exchange core 22 to achieve heat and cold recovery. For example, in winter, outdoor low-temperature fresh air is exchanged with indoor high-temperature exhaust air, so that the temperature of the low-temperature fresh air is raised and sent to the indoor, heat is recovered, and the purpose of reducing energy loss is achieved. The mixed return air of new trend is sent into indoorly, reduces indoor carbon dioxide concentration, improves the indoor air VOC quality.
The invention relates to a fresh air environment-controlled hot water all-in-one machine which mainly comprises an indoor unit, an outdoor unit and a sanitary hot water unit, wherein a first electromagnetic valve 17, a second electromagnetic valve 14, a third electromagnetic valve 15, a flash evaporation cylinder 16 and a secondary throttling device 13 are additionally arranged in a refrigerant system of the outdoor unit, and the flow route of a system refrigerant is changed by utilizing the reversing characteristic of the first electromagnetic valve 17 and the switching characteristic of the second electromagnetic valve 14, so that the whole set of unit realizes the realization of various functions of refrigeration, refrigeration plus sanitary hot water production, dehumidification, sanitary hot water production and heating. In addition, due to the switching characteristic of the third electromagnetic valve 15 and the gas-liquid separation characteristic of the flash evaporation cylinder 16, when heating is carried out at low temperature (not less than-20 ℃) and sanitary hot water is produced at low temperature (not less than-20 ℃), the temperature of the refrigerant passing through the secondary throttling device 13 is about 1 ℃, and the refrigerant in a gas state is opened by the third electromagnetic valve 15 and returns to the compressor 1 through the gas-liquid separation characteristic of the flash evaporation cylinder 16, so that the enthalpy value of the compressor is increased, the compressor is ensured to normally operate at low temperature, and normal heating at low temperature and sanitary hot water production are realized. And secondly, an air reheating condenser 5, a fourth electromagnetic valve 10, a one-way valve 8 and a dehumidifying throttling device 9 are added in the indoor unit refrigerant system. When the unit operates in a dehumidification mode, the compressor 1 is started, the outdoor fan 3 judges whether the unit is started or not and the running speed after the unit is started according to the air outlet temperature, the secondary throttling device 13 is completely opened, the fourth electromagnetic valve 10 is closed, a high-temperature and high-pressure refrigerant passes through the air reheating condenser 5 and then enters the evaporator 6 through the secondary throttling device 13, the refrigerant returns to the compressor 1 after absorbing heat, a clamp-if cycle is completed, the outdoor condenser and the indoor air reheating condenser jointly form a condenser in the cycle process, part of heat is used for heating low-temperature and low-humidity air cooled by the evaporator, the air outlet temperature is controlled to be higher than or equal to the return air temperature, the isothermal or temperature-rising effect is achieved, and a temperature and humidity suitable living environment is. And thirdly, an exhaust fan and a total heat exchange core are added to the air duct system of the indoor unit. When introducing new wind, the air exhaust fan and the indoor fan are started simultaneously to discharge indoor unclean air, so that outdoor clean air is introduced to meet the requirement of indoor cleanliness. When the air is recovered in hot and cold mode, the air exhaust fan and the indoor fan are started simultaneously, the fresh air and the exhaust air are respectively subjected to heat and cold quantity transmission through the total heat exchange core by utilizing the fresh air and the exhaust air temperature difference, so that the cold and heat recovery is achieved, the indoor load is reduced, and the power consumption loss of a user is reduced. And fourthly, 2 sets of independent heat exchange systems are adopted in the sanitary hot water tank, one set of the independent heat exchange systems exchanges heat with the refrigerant, and the other set of the independent heat exchange systems exchanges heat with the solar water heater, is independently separated and does not influence each other. The solar water heater can be independently suspended, can be connected or disconnected, and can meet the requirements of different users.
The scheme comprises all functions of equipment such as an air conditioner (refrigerating and heating), an air source heat pump (sanitary hot water making), a fresh air dehumidifier (dehumidifying) and a total heat exchanger (air heat and cold recovery), avoids the problem that a user installs each equipment in a complicated way, wastes installation space and is high in maintenance cost. Various requirements of users can be met only by installing the fresh air environment-control hot water all-in-one machine, the installation method and the installation mode have no special requirements, and workload and installation cost in any installation aspect are not increased for engineering installation personnel.
Claims (1)
1. The fresh air environment-control hot water all-in-one machine comprises an indoor unit, an outdoor unit and a sanitary hot water unit, and is characterized in that the indoor unit comprises an air reheating condenser (5), an evaporator (6), an indoor fan (7), a one-way valve (8), a dehumidification throttling device (9), a fourth electromagnetic valve (10), a total heat exchange core (22), an exhaust fan (23) and a controller (24), the outdoor unit comprises a compressor (1), a four-way valve (2), an outdoor fan (3), an outdoor condenser (4), a primary throttling device (12), a secondary throttling device (13), a first electromagnetic valve (17), a second electromagnetic valve (14), a third electromagnetic valve (15), a flash evaporation cylinder (16), a first stop valve (11) and a second stop valve (18), the outdoor unit comprises a sanitary hot water tank (19), a water heater (21) and a water pump (20), during refrigeration: the compressor (1) is started, high-temperature and high-pressure refrigerant is not reversed through the first electromagnetic valve (17), directly enters the outdoor condenser (4) through the four-way valve (2), is subjected to pressure reduction and temperature reduction through the primary throttling device (12) and the secondary throttling device (13) after being cooled, enters the indoor unit, the fourth electromagnetic valve (10) is opened, enters the evaporator (6), and returns to the compressor (1) after air is cooled, so that normal refrigeration cycle is completed;
when refrigerating and making sanitary hot water: the compressor (1) is started, high-temperature and high-pressure refrigerant is reversed through a first electromagnetic valve (17), passes through a sanitary hot water tank (19), heats cold water in the sanitary hot water tank, enters an outdoor condenser (4) through a four-way valve (2) after being primarily cooled, enters an indoor unit after being subjected to pressure reduction and temperature reduction through a primary throttling device (12) and a secondary throttling device (13) after being secondarily cooled, opens a fourth electromagnetic valve (10), enters an indoor evaporator (6), and returns to the compressor (1) after cooling air, so that normal refrigeration and sanitary hot water circulation are completed;
when dehumidifying: the compressor (1) is started, high-temperature and high-pressure refrigerant is not reversed through the first electromagnetic valve (17), and directly enters the outdoor condenser (4) through the four-way valve (2), at the moment, the secondary throttling device (13) is fully opened, part of the refrigerant is cooled and then enters the indoor unit after being primarily cooled and depressurized through the primary throttling device (12), the fourth electromagnetic valve (10) is closed, the refrigerant enters the indoor air reheating condenser (5) for continuous heat dissipation, the refrigerant is cooled and depressurized through the dehumidifying throttling device (9) after heating low-temperature and low-humidity air and then enters the evaporator (6), and the refrigerant returns to the compressor (1) after being evaporated, so that the dehumidifying and refrigerating cycle;
when sanitary hot water is prepared: the compressor (1) is started, the fourth electromagnetic valve (10) is closed, the high-temperature and high-pressure refrigerant is reversed through the first electromagnetic valve (17), passes through the sanitary hot water tank (19), heats cold water in the sanitary hot water tank (19), enters the four-way valve (2) after being cooled for the first time, is started through the second electromagnetic valve (14), and because the pressure of the refrigerant entering and exiting the indoor is balanced, no refrigerant flows in the indoor evaporator (6) and the indoor reheating condenser (5), and then enters the outdoor condenser (4) after being reduced in pressure and temperature through the secondary throttling device (13) and the primary throttling device (12) in sequence, and returns to the air suction port of the compressor (1) after being evaporated, so that the sanitary hot water cycle is completed;
during heating: the compressor (1) is started, the fourth electromagnetic valve (10) is closed, after passing through the four-way valve (2), the high-temperature and high-pressure refrigerant is not reversed by the first electromagnetic valve (17), does not pass through the sanitary hot water tank 19, is closed by the second electromagnetic valve (14), enters the indoor evaporator (6), is continuously cooled by the one-way valve (8) and the air reheating condenser (5) after being cooled, enters the outdoor unit, is depressurized and cooled by the secondary throttling device (13) and the primary throttling device (12), enters the outdoor condenser (4), returns to an air suction port of the compressor (1) after being evaporated, and completes the heating cycle;
during fresh air total heat exchange: after the air exhaust fan (23) and the indoor fan (7) are started, the energy of fresh air and exhaust air is exchanged through the total heat exchange core (22) to achieve the purpose of heat and cold recovery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332704.4A CN111503784A (en) | 2020-04-24 | 2020-04-24 | Fresh air environment-control hot water all-in-one machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332704.4A CN111503784A (en) | 2020-04-24 | 2020-04-24 | Fresh air environment-control hot water all-in-one machine |
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| CN111503784A true CN111503784A (en) | 2020-08-07 |
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| CN202010332704.4A Withdrawn CN111503784A (en) | 2020-04-24 | 2020-04-24 | Fresh air environment-control hot water all-in-one machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577133A (en) * | 2020-10-23 | 2021-03-30 | 宁波市鄞州汇通国际贸易有限公司 | Fresh air conditioner and heat pump all-in-one machine |
| WO2023000862A1 (en) * | 2021-07-23 | 2023-01-26 | 浙江普林艾尔电器工业有限公司 | Refrigeration system switching structure for isothermal dehumidification and cooling fan |
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2020
- 2020-04-24 CN CN202010332704.4A patent/CN111503784A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577133A (en) * | 2020-10-23 | 2021-03-30 | 宁波市鄞州汇通国际贸易有限公司 | Fresh air conditioner and heat pump all-in-one machine |
| WO2023000862A1 (en) * | 2021-07-23 | 2023-01-26 | 浙江普林艾尔电器工业有限公司 | Refrigeration system switching structure for isothermal dehumidification and cooling fan |
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Application publication date: 20200807 |