220results about "Energy efficient heating/cooling" patented technology

The present application provides a dynamics analysis method for an ammonia combustion refrigeration system in large park cooling. The method comprises: on the basis of a geometric structure of an ammonia combustion chamber and a fuel supply amount, calculating the heat generated by ammonia combustion and analyzing the heat transfer mode between the combustion chamber and a desorption tower, the heat transfer mode comprising direct contact type heat transfer and partition type heat transfer, and simulating the heat transfer process to obtain and draw the heat flux distribution of the tower wall surface; on the basis of the flow state and a relationship curve between the pressure drop and the flow velocity, analyzing the desorption process of a refrigerant in a solution, and on the basis of the concentration of the solution, a boiling point of the refrigerant, and the vapor pressure, calculating local desorption rates at different positions in the desorption tower and the refrigerant vapor generation amount; and on the basis of the heat flux distribution, calculating the temperature distribution of the solution, and analyzing the heat transfer and mass transfer processes in the desorption tower to obtain a local heat transfer coefficient and the mass transfer efficiency distribution of the surface of a filler.

The utility model discloses a heat pump system which comprises at least two indoor units, an outdoor main machine, an air pipe and a liquid pipe. The indoor unit comprises a first refrigerant port and a second refrigerant port communicating with the first refrigerant port. The outdoor main machine comprises a first refrigerant pipeline, a second refrigerant pipeline, a refrigerant outlet pipeline and a refrigerant inlet pipeline. The first refrigerant pipeline is connected with the main connector end of the air pipe. In each indoor unit, the first refrigerant port is connected with the corresponding branch connector end in the air pipe, and the second refrigerant port is connected with the corresponding branch connector end in the liquid pipe. And the second refrigerant pipeline is connected with the main interface end of the liquid pipe. The refrigerant outlet pipeline and the refrigerant inlet pipeline are used for being externally connected with a domestic hot water module, and hot water is prepared through heat exchange between a refrigerant and water. The liquid pipe and the air pipe are further used for being externally connected with a hydraulic module, and heat exchange between the refrigerant and water is achieved. The weight of the outdoor main machine is reduced, the main machine is integrated to a system, and a user can select a domestic hot water module and a hydraulic module according to requirements.

A thermal storage absorption refrigeration unit, including: a thermal storage device and an absorption refrigerating machine; an output end of the thermal storage device is connected to an input end of the absorption refrigerating machine. The excessive wind and solar power, along with electricity from the grid during off-peak hours, are stored in thermal storage device in the form of heat. These thermal storage device are configured to serve as the heat source for the absorption refrigerating machine. The thermal storage device can achieve an energy storage efficiency of 96%, offering advantages over battery storage, compressed air energy storage, and pumped hydro storage in terms of safety, efficiency, energy savings, and low upfront investment.

According to the air source heat pump two-stage heating system, an air source heat pump unit compresses a low-temperature and low-pressure refrigerant into high-temperature and high-pressure gas through a compressor, and heat is transferred to outdoor air / circulating water through a water side / air side heat exchanger. The first-stage heating system is connected with the air energy collecting device and used for primarily increasing the water temperature; the second-stage heating system is connected with the first-stage heating system and is used for further raising the water temperature to the required supply temperature; according to the system, through a series-parallel connection two-stage heating mechanism of air energy, the system flow is effectively reduced, matching with an existing heating system with a small pipe diameter becomes possible, the temperature of supplied water and returned water is remarkably increased, and therefore the good tail end heating effect is ensured.

The utility model relates to the technical field of storage devices, in particular to a copper corrosion inhibitor storage device for a lithium bromide chilled water system, which performs position adjustment through an adjusting device, performs lifting adjustment through a lifting device and performs monitoring through the distance of a monitoring device relative to the storage device. The storage device is limited through the limiting device, and the copper corrosion inhibitor is stored through the storage device; comprising a console; the device further comprises an adjusting device, a lifting device, a monitoring device, a limiting device and a storage device, the adjusting device and the storage device are both installed on the operation table, and the lifting device, the monitoring device and the limiting device are all installed on the adjusting device. The adjusting device adjusts the position, the lifting device lifts, the monitoring device monitors the distance, the limiting device limits, and the storage device stores.

The present invention relates to a heat exchange substation (50) of an energy distribution system comprising: a heat exchanger (51) with thermal inertia comprising a primary side (37a) connected to a primary supply line (36) and to a primary return line (37) and a secondary side (37b), opposite the first primary side (37a), the secondary side (37b) being connected to a secondary supply line (56) and to a secondary return line (57) of a secondary heating circuit (68), the secondary supply and return lines (56, 57) being in communication with one or more heating units (18), wherein the heat exchanger (51) comprises a tank (67) within which a first shell- and-tube circuit (81) is arranged connected at the inlet to the primary supply line (36) and at the outlet to the primary return line (37) and a second shell-and-tube circuit (82) connected at the inlet to the secondary return line (57) and at the outlet to the secondary supply line (56), and the tank (67) contains a phase change material (71), the first shell-and-tube circuit (81) and the second shell-and- tube circuit (82) being in contact with the phase change material (71).

The application discloses an air-conditioning floor heating system and a control method thereof, wherein the air-conditioning floor heating system comprises a floor heating coil pipe for heating a room; an air-conditioning unit comprising a compressor, an evaporator, a throttling device and a condenser connected in sequence, the condenser is in heat exchange with a water inlet pipe of the floor heating coil pipe to supply heat for the floor heating coil pipe; a bypass pipeline is arranged in parallel with the condenser and is used for bypassing part of refrigerant discharged by the compressor; and a heat storage water tank, the bypass pipeline passes through the heat storage water tank and is used for heating water in the heat storage water tank, the water in the heat storage water tank is in heat exchange with the water inlet pipe of the floor heating coil pipe to heat water inlet of the floor heating coil pipe. The application solves the problem of water resource waste or high energy consumption in the anti-freezing mode of the air-conditioning floor heating system in the prior art, prevents the floor heating coil pipe from being damaged due to internal water freezing expansion, improves the anti-freezing property and operation stability of the floor heating coil pipe, and achieves the effects of saving water resource and saving energy consumption.

The application discloses an air conditioner refrigeration and heat supply system based on a siphon principle and a running method thereof. The system comprises a refrigerant water system, a refrigerant steam system and a liquid level adjusting device for adjusting a refrigeration temperature. The refrigerant water system comprises a high-position water tank, a siphon starting pump, an evaporation container, a low-position water tank and a heat absorbing device for providing heat required by refrigerant evaporation. The running method comprises three processes of refrigerant water siphon decompression, heat absorbing evaporation and steam compression discharge. The application completely gets rid of the bondage of traditional "four refrigeration components", provides a simpler and more feasible structure form, and can be used as a cold water unit, a water source or air source heat pump and a cold and heat combined supply unit. The application has the characteristics of simple structure, low construction cost and one machine with multiple uses. Since water is used as the refrigerant, the application has the advantages of environmental friendliness, energy saving and emission reduction. Compared with a traditional steam compression cycle refrigeration method, the application has a wider refrigeration temperature range, a higher heat supply grade and a larger theoretical refrigeration coefficient.

The invention provides a jet-absorption heat pump, and belongs to the technical field of refrigeration and heat pumps. The absorber is provided with a dilute solution pipeline which is communicated with the generator through a solution pump and a solution heat exchanger, the generator is further provided with a concentrated solution pipeline which is communicated with the absorber through the solution heat exchanger, the generator is further provided with a refrigerant steam channel which is communicated with the condenser, and the condenser is further provided with a condensate water channel which is communicated with the outside. The condenser communicates with the evaporator through a refrigerant liquid pipeline via a throttling valve, the evaporator communicates with a low-pressure steam inlet of the ejector through a refrigerant steam channel, a working steam channel communicates with a high-pressure steam inlet of the ejector outside, the ejector communicates with the absorber through a medium-pressure refrigerant steam channel, and the generator communicates with the outside through a high-temperature heat medium channel. The absorber and the condenser are communicated with the outside through heated medium channels respectively, the evaporator is communicated with the outside through a low-temperature heat medium channel, and the jet-absorption heat pump is formed.

The application relates to an absorption type cold and heat combined supply system and a circulating working medium concentration adjusting method thereof, the absorption type cold and heat combined supply system comprising an end user unit, a cold and heat combined supply unit connected to the end user unit, and a heating unit and a concentration adjusting unit connected to the cold and heat combined supply unit, the absorption type cold and heat combined supply system realizing small-range adjustment of the circulating working medium concentration of the whole system by adjusting the liquid level height of a gas-liquid separator of the cold and heat combined supply unit, realizing large-range adjustment of the circulating working medium concentration of the whole system and maintaining the charging amount of the circulating working medium in the system by adjusting the liquid level height of a first storage tank and a second storage tank of the concentration adjusting unit, giving consideration to the optimization adjustment of the charging amount of the circulating working medium in the system and the circulating working medium concentration of the system, and ensuring that the system can continuously and efficiently and stably operate under different working conditions.

Heat exchanger (1) comprising at least a first module (2) and a second module (12, 22, 32, 42, 52, 62, 72) for heat exchange between a first fluid medium and a second fluid medium, wherein the first fluid medium can be guided through a closed channel system (3) separated from the second fluid medium, wherein the closed channel system can be surrounded by the second fluid medium, wherein the second fluid medium is gaseous. A first wetting device (4) for the first module and a second wetting device (14, 24, 34, 44, 54, 64, 74) for the second module is provided, by means of which the first module and the second module can be wetted with a third fluid medium, wherein the first wetting device (4) for the first module (2) can be actuated independently of the wetting device (14, 24, 34, 44, 54, 64, 74) for the second module (12, 22, 32, 42, 52, 62, 72).

The utility model discloses a floor heating and domestic hot water combined heat pump system, comprising: refrigerant circulation loop: compressor, first air side heat exchanger, four -way valve, second air side heat exchanger and intermediate heat exchanger form, intermediate heat exchanger includes: first heat exchange pipe part and second heat exchange pipe part, water circulation loop: floor heating, first heat exchange pipe part, second heat exchange pipe part, water pump and water tank heat exchanger constitute, first heat exchange pipe part is connected with floor heating, second heat exchange pipe part is connected with first heat exchange pipe part, water tank heat exchanger and floor heating, first control valve controls first heat exchange pipe part and floor heating or water tank heat exchanger intercommunication, when system is in floor heating water tank linkage operation mode, first heat exchange pipe part, second heat exchange pipe part, first control valve and water tank heat exchanger form domestic hot water circulation loop, and floor heating, second heat exchange pipe part form first floor heating water circulation loop, the heat pump system of the utility model sets up one intermediate heat exchanger and can realize the simultaneous supply of floor heating and domestic hot water.

Provided are integrated water device applied to heat pump system, heat pump system, and control method thereof. The integrated water device includes: main module, auxiliary module, and three-way valve; when the heat pump system simultaneously has heating water demand and air conditioning demand, first end and second end of the three-way valve are controlled to be communicated, so that the heat pump main unit heats the water in the domestic water tank through the main module, and the heat pump auxiliary unit provides heat source or cooling source to the terminal device through the auxiliary module; and, when the heating for the domestic water tank is completed, the first end of the three-way valve is controlled to switch to be communicated with the third end so that the heat pump main unit and the heat pump auxiliary unit jointly provide heat source or cooling source to the terminal device.

The utility model discloses a combined throttling device and ammonia water absorption refrigeration system, wherein the combined throttling device comprises a stepping motor, a needle valve, a controller and a limit switch, the needle valve is used as a throttling element, and the stepping motor comprises an output shaft used for outputting linear displacement; the output shaft is connected with a valve needle of the needle valve and converts output displacement into linear displacement of the valve needle, the controller is used for controlling the displacement of the output shaft so as to adjust the opening degree of the needle valve, the limiting switch is connected with the controller, and when the needle valve reaches the minimum opening degree and / or the maximum opening degree, the limiting switch is triggered to send an electric signal to the controller. According to the combined throttling device, the valve needle of the needle valve is driven to axially move through accurate displacement output of the stepping motor, accurate adjustment of the sectional area of a fluid channel can be achieved, and therefore the high-accuracy control requirement of a system for refrigerant flow is met.

The utility model discloses a boiler and heat pump coupled heating and domestic hot water supply system which comprises a boiler, a heat pump and a heat pump, the air source heat pump unit is connected to a heating user through a second output pipeline and a second input pipeline respectively, and the second output pipeline and the second input pipeline are connected to the first output pipeline and the first input pipeline respectively; an inlet pipeline of a high-temperature runner of the heat exchanger is connected to the first output pipeline, an outlet pipeline of the high-temperature runner is connected to the first input pipeline, an inlet of a low-temperature runner of the heat exchanger is connected to the second input pipeline through a pipeline, and an outlet of the low-temperature runner is connected to the second output pipeline through a pipeline; the temperature sensor is mounted on the second output pipeline; and the electric control valve is mounted on the fourth output pipeline. The problem that a heat supply system and a domestic hot water supply system are independently arranged in the north, and a boiler cannot fully play a role is solved.

The utility model relates to the technical field of air energy water heaters, in particular to an air energy water heater convenient to install, which comprises an air energy water heater body, a limiting groove is arranged at the bottom end of the air energy water heater body, and a first limiting block is slidably connected to the inner side of the limiting groove. First fixing holes which are symmetrically formed are formed in the outer side of the air energy water heater body, second fixing holes which are symmetrically formed are formed in the outer side of the first limiting block, and fixing bolts are arranged on the inner sides of the first fixing holes and the inner sides of the second fixing holes. Through components such as a limiting groove, a first limiting block, a first supporting leg, a first fixing hole, a second fixing hole, a fixing bolt and a universal wheel, the fixing bolt is clamped into the first fixing hole and the second fixing hole, the first limiting block is fixed in the limiting groove, and then under the action of the first supporting leg and the universal wheel below the first limiting block, the first supporting leg is fixed to the first limiting block. And the air energy water heater is easy to move and is convenient to move during installation and maintenance.

The ventilation and dustproof structure comprises a hot water unit body, a ventilation frame is fixedly installed on the side wall of the hot water unit body, ventilation holes are formed in the ventilation frame, an annular plate is inserted into the ventilation frame, a filter screen is fixedly installed in the annular plate, and the filter screen is connected with the ventilation frame. An annular plate is arranged on the right side of the ventilation frame, an insertion hole is formed in the right side of the ventilation frame, an insertion plate matched with the annular plate is inserted into the insertion hole, and a movable door is embedded in the left side of the ventilation frame. The ventilation frame is matched with the filter screen to conduct double filtration on dust, the dustproof effect is improved, the filter screen is convenient to replace, the ventilation effect is improved, dust is not prone to entering the hot water unit body during ventilation, and the heat dissipation effect of electronic devices in the hot water unit is improved.

The present invention relates to the field of sub-Kelvin temperature range refrigeration technology and discloses an adsorption-type helium-4 continuous operation sub-Kelvin refrigeration system. The system comprises a refrigeration system comprising an evaporation module, a first helium-4 storage module, a second helium-4 storage module, a switch module, and a cooling module. The present invention utilizes a blade-shaped structure to effectively reduce heat loss caused by superfluid helium-4 while ensuring the helium-4 extraction rate. The pump core fin structure accelerates the temperature change of the activated carbon and the adsorption and release rate of helium-4. Simultaneously, the densely packed pore structure of the cooling body significantly increases the condensation recovery rate of helium-4. The multi-layered, nested, non-contact structure of the switch upper and lower end caps and the central tube increases the thermal contact area, effectively improving the switch module's conduction rate. The extraction tube and activated carbon increase the switch module's helium-4 capacity and the effective thermal conductivity-to-heat ratio when the switch module is in the on and off states.

According to the lithium bromide refrigerating system, cooling water in a water outlet pipe is conveyed to a water inlet pipe through a bypass water inlet pipe and a bypass water outlet pipe in sequence through operation of a bypass pump, so that self-circulation that the cooling water flows back after being discharged from a lithium bromide unit is achieved; therefore, the cooling water is heated through heat generated by bypass return water circulation of the cooling water and circulation of equipment, the temperature of the cooling water is increased, the starting condition of the lithium bromide unit is met, stable operation of the lithium bromide unit after starting can be guaranteed in severe cold areas with low external temperature, the lithium bromide unit is protected, and the service life of the lithium bromide unit is prolonged. And the operation time of the lithium bromide unit is prolonged.

The present application belongs to the technical field of temperature control, and particularly relates to an air source heat pump energy-saving temperature control method, a network-connectable temperature control method, a temperature controller, and a temperature control system. The method comprises the following steps: presetting a water temperature table; obtaining an outdoor temperature and querying the water temperature table to obtain a target water temperature; obtaining an indoor temperature and comparing it with an indoor target temperature to determine whether the water temperature needs to be increased; executing an intelligent water temperature control program, obtaining a current indoor temperature, and comparing it with the indoor target temperature to determine a subsequent program. The temperature control method adopts an intelligent control mode, optimizes the target water temperature and the water temperature table, can control the water temperature at a relatively reasonable temperature, avoids energy waste caused by excessively high water temperature, and thus achieves the purpose of energy saving and emission reduction. The present application can obtain real-time weather conditions of a user's local area through a remote server, and can avoid the problem that the indoor temperature cannot reach the target temperature for a long time due to natural reasons.

The invention provides a thermal management module (1) for a building heating system (2), comprising a heat pump (3) configured to exchange heat with a fluid, a heating circuit manifold (4) configured to distribute the fluid, and a consumer interface (7) configured to connect at least two consumers (15). The consumer interface (7) is configured to provide fluid communication between the at least two consumers (7) and the heating circuit manifold (4). Furthermore, the invention provides a building heating system (2) with a thermal management module (1), as well as a method for heating a building facility.

The utility model belongs to the technical field of heat pumps, and discloses a heat pump system, in summer, a floor heating device exchanges heat with indoor air and absorbs heat of the indoor air, a water source heat pump assembly absorbs heat of the floor heating device to heat water in an inner container, and when the heat absorbed by the floor heating device is larger than the heat absorbed by the water source heat pump assembly, the water source heat pump assembly absorbs heat of the water source heat pump assembly. At the moment, a water outlet of a water source heat pump assembly can be connected into a water return opening of an air source heat pump device through a floor heating water return pipe and is communicated with the water return opening, cold water prepared by the air source heat pump device is led into a water inlet of the floor heating device, and the indoor environment dew point temperature is increased. Therefore, the air source heat pump device is used for reducing the water supply temperature of the floor heating device so as to ensure that the indoor humidity meets the requirement, and the purpose of improving the comfort level of a user is achieved while the requirement for heating water is ensured.

An atmospheric water generator apparatus. In one embodiment, the apparatus includes a fluid cooling device. A water condensing surface is thermally connected to the fluid cooling device, the water condensing surface having a superhydrophobic condensing surface, a highly hydrophobic condensing surface, a superhydrophilic condensing surface, a highly hydrophilic condensing surface, or a combination thereof. An air-cooled heat rejection device is in fluid communication with a fluid cooling device. An air fan is configured to induce airflow across the water condensing surface in order to condense and extract water from the atmosphere.

The utility model provides an air source heat pump and municipal steam combined heat supply closed type hot water system, which is characterized in that a municipal steam heating system and an air source heat pump heating system are connected to a hot water supply system, and three operation modes can be realized by adjusting valve switching: the municipal steam heating system provides a heat source for the hot water supply system independently; the air source heat pump heating system independently provides a heat source for the hot water supply system; the air source heat pump system and the municipal steam heat exchange system are connected in series to provide a heat source for the hot water supply system. The closed hot water system can select an economic operation mode according to outdoor weather conditions in combination with the heat supply capacity, the electric energy price and the municipal steam price of the air source heat pump, operation energy consumption and cost are reduced for users, carbon emission is reduced, and the problems of stability and economy of heat supply of an existing domestic hot water system are solved.

A household central heating and water source heat pump composite device comprises a heating water supply pipe, a heating water return pipe, a water source heat pump system and a heating tail end, and the water source heat pump system comprises a compressor, a first double-flow-channel heat exchanger, a second double-flow-channel heat exchanger and an electronic expansion valve. The first double-flow-channel heat exchanger comprises a first water path and a first refrigerant flow path serving as a condenser, and the second double-flow-channel heat exchanger comprises a second water path and a second refrigerant flow path serving as an evaporator; due to the arrangement of the first double-flow-channel heat exchanger and the second double-flow-channel heat exchanger, the central heating system and the water source heat pump system are coupled together and cooperate with each other, and the central heating system can work independently; return water temperature is fully utilized, a water source heat pump system is energy-saving, and indoor temperature can be increased.

A method for identifying a deviation in a thermal energy circuit is presented. The method comprising: receiving (302) a first hot fluid flow measurement (f1) from a first hot fluid flow sensor (208) arranged in a hot fluid conduit (102); receiving (304) a first cold fluid flow measurement (r1) from a first cold fluid flow sensor (204) arranged in a cold fluid conduit (104); receiving (306) a second hot fluid flow measurement (f2) from a second hot fluid flow sensor (210) arranged in the hot fluid conduit (102) upstream the first hot fluid flow meter (208); receiving (308) a second cold fluid flow measurement (r2) from a second cold fluid flow sensor (206) arranged in the cold fluid conduit (104) downstream the first cold fluid flow sensor (204); receiving (310) a thermal device flow measurement (g) from a thermal device flow sensor (202) configured to measure a thermal device flow of a thermal device (106a) connected to the hot fluid conduit (102) downstream the first hot fluid flow sensor (208) and upstream the second hot fluid flow sensor (210), and to the cold fluid conduit (104) upstream the first cold fluid flow sensor (204) and downstream the second cold fluid flow sensor (206). The method further comprising upon (312) the first hot fluid flow measurement (f1) is different from the second hot fluid flow measurement (f2) and the thermal device flow measurement (g) in combination, generating (314) a first deviation signal indicating a deviation in the hot fluid conduit (102), or upon (316) the first cold fluid flow measurement (r1) is different from the second cold fluid flow measurement (r2) and the thermal device flow measurement (g) in combination, generating (318) a second deviation signal indicating a deviation in the cold fluid conduit (104).

An absorption heat pump apparatus for optimizing performance in low air temperature and / or high delivery water temperature operating conditions which maintains all the functions of the so-called booster systems, preventing the generator from exceeding the maximum temperature limits. Furthermore, the apparatus allows a significant increase in the efficiency of the heat pump when the booster mode is activated for producing high temperature hot water in the case of medium or high outdoor temperatures, i.e., conventionally, for producing domestic hot water which is required throughout the year.

The present application relates to a kind of lithium bromide refrigerating unit for offshore oil platform and its leak-proof sealing method, lithium bromide refrigerating unit includes: refrigeration cycle loop, the refrigeration cycle loop includes as follows sequentially soft connection generator, condenser, evaporator and absorber;Between the generator and the condenser, between the condenser and the evaporator, between the evaporator and the absorber and between the absorber and the generator are provided with compensator.This application uses flexible connecting piece, hinge or sliding device in soft connection, etc., allow soft connection to produce certain displacement or rotation when subjected to the transverse force of platform vibration, to reduce the transverse stress and strain of pipe system.Damping U-shaped pipe plays the role of throttling expansion in absorption refrigerating unit, damping U-shaped pipe is throttled and depressurized to high-pressure liquid refrigerant, to ensure the pressure difference between evaporator and condenser, to achieve the purpose of refrigeration cooling.

The utility model belongs to the technical field of ammonia water preparation, and provides a condensing device for an ammonia water absorption type refrigerating unit. The utility model relates to a condensing device for an ammonia water absorption refrigerating unit. The condensing device comprises a main box body, a plate heat exchanger, a hydraulic assembly and a suction main piece, the main box body is provided with a mounting main cavity and a sliding cavity; the plate heat exchanger is installed in the main box body and located in the installation main cavity, and one end of the plate heat exchanger extends outwards and is connected with one end of the suction main piece; the other end of the plate heat exchanger extends outwards and is used for collecting cooled ammonia water; the other end of the suction main piece is communicated with a high-pressure ammonia gas source; the mounting main cavity is communicated with the sliding cavity; liquid nitrogen is injected into the mounting main cavity in a sealed mode, and the plate heat exchanger is immersed in the liquid nitrogen. The hydraulic assembly is installed in the sliding cavity in a sliding mode. The device not only is reasonable in design, but also is simple to operate, and can effectively improve the condensation effect and reduce the plate-type external heat of a core component.

This invention discloses an outdoor unit for a heat pump water heater, the heat pump water heater itself, and a hot water system. The outdoor unit includes an outdoor heat exchange module and a circulation booster module. The circulation booster module includes a water pump, an inlet connected to an external water source, and a first water supply port for supplying pressurized water to the outside. The inlet end of the water pump is connected to the inlet port, and the outlet end of the water pump is connected to the first water supply port. The circulation booster module also includes a second water supply port, which is selectively connected to either the inlet end or the outlet end of the water pump via a reversing mechanism. The outdoor unit of this invention uses a reversing mechanism to control the connection direction of the second water supply port, enabling the simultaneous pressurization of both cold and hot water supply, as well as a zero-cold-water function, all achieved by the same water pump. This eliminates the hassle of separately setting up a circulation pump and a booster pump in existing technologies. Furthermore, the circulation booster module is integrated into the outdoor unit, eliminating the need for separate connection and power supply, thus facilitating installation and use.