692results about "Heating and refrigeration combinations" patented technology

A flow direction control device of heating stream and cooling stream is prepared as connecting said device separately to the first heat exchange unit, the second heat exchange unit, air conditioner and compressor for controlling heated working fluid from the first heat exchange unit to be sent to air conditioner for being used as the first heat media or to be sent to the second heat exchanger for being condensed there then to send it to air conditioner for being used as the second cooling media in order to make air conditioner output hot and cold alternatively, enabling to set heating course on the first heat exchange unit for providing the third heat media out.

The present application relates to the technical field of air conditioners, and particularly relates to an air conditioner control method and device, a multi-connected air conditioner and a storage medium, the present application determines the target heat recovery mode of the multi-connected air conditioner by judging the water tank temperature of the hot water tank, the heating energy demand and the total energy demand of each air conditioner indoor unit obtained when the multi-connected air conditioner simultaneously exists refrigeration and heating water demand, and then adjusts the communication state of the reversing device and the throttling element according to the target heat recovery mode, so as to achieve the purpose of simultaneously operating refrigeration and heating water by one heat pump system, and heat the water tank by the waste heat of air conditioner refrigeration, thereby avoiding the technical problem that the heating and heating water in the prior art multi-connected air conditioner are not simultaneously performed, and improving the use experience of the user.

The invention discloses an AI-based variable frequency heat pump control method and a control system thereof. The method comprises the following steps: S1, data acquisition; s2, data preprocessing; heat demand load prediction and operation parameter dynamic optimization are achieved through the AI model, the response speed of the environment temperature and heat demand changes is effectively increased, the parameter matching precision is effectively improved, the problems that traditional control response is lagged, and adaptability is poor are effectively solved, and the control accuracy is improved. The energy consumption of the system can be reduced under complex working conditions such as extreme temperature and sudden load change through a reinforcement learning algorithm, and the self-adaptive energy-saving capability of a multi-element scene is remarkably improved; meanwhile, based on a fault diagnosis scheme of a CNN and Transform fusion model, the fault diagnosis accuracy is effectively improved, the false alarm rate is effectively reduced, the defects of traditional threshold judgment are overcome, and in addition, the method can adapt to working condition changes and equipment aging characteristics for a long time in cooperation with model self-learning and parameter online updating functions.

The invention relates to the technical field of lithium batteries, in particular to a lithium battery waste heat utilization system. According to the invention, through the ingenious series connection and heat exchange design of the cooling liquid loop, the low-grade waste heat of the lithium battery is recovered and utilized to the maximum extent. According to the system, the cooling liquid absorbing the heat of the battery is sequentially used for driving the data center to cool, pre-cooling return air of the refrigerating system and finally cooling with a low-temperature secondary refrigerant of the ice storage system. According to the process, gradient utilization of heat is achieved, cooling energy consumption of the data center and the refrigerating system is remarkably reduced, the ice making efficiency of the ice storage system is improved, the comprehensive utilization rate of energy is greatly improved on the whole, and the purposes of saving energy and reducing consumption are achieved.

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.

The invention relates to a low-temperature efficient heating air energy heat pump unit, discloses a low-temperature efficient heating air energy heat pump unit, and belongs to the technical field of heat pump air conditioners. The unit is composed of a compressor, an evaporator, a condenser, a throttling valve, a defrosting module, a refrigerant adjusting module and a control unit. The surfaces of fins of the evaporator are coated with polytetrafluoroethylene modified hydrophobic frost-resistant coatings, and the frosting amount can be inhibited by 60% or above; the defrosting module adopts a bypass coupling scheme of a 500-800W electric heating wire and a high-temperature refrigerant, and the defrosting time is less than or equal to 8min and is shortened by 30% compared with a traditional scheme; the refrigerant adjusting module dynamically adjusts the refrigerant temperature of an inlet of the evaporator through the bypass electromagnetic valve and the refrigerant mixing cavity, so that the compressor still maintains 100% of the rotating speed at-25 DEG C without frequency reduction, the COP is larger than or equal to 2.0, and the heating capacity is kept 75% or above of the normal temperature value. The system solves the industrial problems of frequent frosting, high defrosting energy consumption and large heating attenuation under the low-temperature and high-humidity working conditions, and can be widely applied to heating systems in household, commercial and high-humidity and low-temperature areas.

The application discloses an air conditioner and a control method of the air conditioner. The air conditioner comprises: a heat exchange flow path for realizing heat exchange between a domestic water tank and a refrigerant circulation flow path; a control valve group arranged on the refrigerant circulation flow path and used for conducting or cutting off the refrigerant circulation flow path; and a controller connected with the control valve group and a four-way valve. The controller is configured to: acquire a target operation mode of the air conditioner, wherein the target operation mode at least comprises a heating mode, a cooling mode and a cooperative mode in which the heating mode, the cooling mode and a hot water mode are combined; determine that the target operation mode of the air conditioner is the cooperative mode; and control the opening and closing states of the control valve group and the four-way valve according to the cooperative mode, so as to control the operation of the heat exchanger group and adjust the water tank temperature of the domestic water tank. The air conditioner can meet the cooling, heating and hot water demands of users at the same time, and the waste heat generated during the refrigeration or heating is fully utilized to prepare hot water, thereby avoiding energy waste of the air conditioner during the operation.

An electric vehicle thermal management system and method based on a self-circulating gas-liquid phase change cold plate are disclosed. A top cover, a first heat exchanger, a battery case partition and a battery case bottom plate are arranged in sequence from top to bottom, a top heat exchanging chamber is formed between an upper heat exchanging surface of the first heat exchanger and the top cover; the battery case partition is of a square wave-like structure, a working medium chamber is formed between a top of the battery case partition and a lower heat exchanging surface of the first heat exchanger, the working medium chamber is filled with a gas-liquid phase change working medium, and a plurality of battery chambers are formed between the bottom of the battery case partition and the battery case bottom plate.

An air conditioning apparatus includes an outdoor unit, indoor units, a branch unit, and a heat medium circuit through which a heat medium having a global warming potential (GWP) lower than that of the refrigerant circulates. The heat medium circuit has a first pump, a second pump, a first heat exchanger, a second heat exchanger, a first branch header, a second branch header, a first merge header, a second merge header, first on-off valves, second on-off valves, third on-off valves, fourth on-off valves, a fifth on-off valve, a sixth on-off valve, a seventh on-off valve, an eighth on-off valve, a ninth on-off valve, and a tenth on-off valve disposed in the branch unit, a supply main pipe and a return main pipe connecting the branch unit to the outdoor unit, and supply branch pipes and return branch pipes connecting the branch unit to the respective indoor units.

The utility model discloses a heat recovery heat pump system which comprises a compressor, a heat recovery heat exchanger, a high-pressure gas-liquid separator, an outdoor heat exchanger, at least one indoor unit, a four-way valve, a first switch valve and a reversing valve. The heat recovery heat exchanger comprises a first refrigerant inlet and a first refrigerant outlet. The high-pressure gas-liquid separator comprises a second refrigerant inlet, a second refrigerant outlet used for outputting the gaseous refrigerant after gas-liquid separation and a third refrigerant outlet used for outputting the gaseous refrigerant after gas-liquid separation. The heat recovery heat pump system has a refrigeration and total heat recovery domestic hot water making mode and a refrigeration and partial heat recovery domestic hot water making mode, and the reversing valve keeps a second refrigerant outlet of the high-pressure gas-liquid separator to be communicated with the four-way valve in the two modes, so that the reversing valve does not need to be operated during mode switching, only the four-way valve needs to be operated, and the mode switching efficiency is improved. And the automatic flow direction of the refrigerant during mode switching can be realized by utilizing gas-liquid separation of the high-pressure gas-liquid separator, so that the stability of the system is improved.

The invention discloses a hydrogen energy production and production-and-use distributed energy supply system, which relates to the technical field of new energy, and comprises a hydrogen production module which comprises a proton exchange membrane electrolytic tank, an alkaline electrolytic tank and a solid oxide electrolytic tank and runs through a three-mode collaborative architecture, in combination with a light-electricity-heat synergistic catalysis device and a wastewater or industrial tail gas coupling hydrogen production device, the hydrogen storage and safety management module comprises a metal hydride hydrogen storage unit, a metal organic framework material hydrogen storage unit and a liquid organic hydrogen storage unit. According to the invention, multi-source, high-efficiency and low-cost hydrogen production is realized through the hydrogen production module with a three-mode collaborative architecture in combination with light-electricity-heat collaborative catalysis and wastewater / industrial tail gas coupling hydrogen production, and meanwhile, a solid oxide fuel cell and micro gas turbine combined cycle, a hydrogen combustion turbine direct drive and a multi-type energy storage unit in the energy supply module realize multi-source, high-efficiency and low-cost hydrogen production. And in cooperation with waste heat-cold energy gradient utilization, the energy conversion efficiency and the comprehensive energy utilization rate are greatly improved.

The invention discloses a coupled thermal management system. The coupling type heat management system comprises a compressor, a condenser, an air conditioner evaporator, a battery cooler, a battery pack and a refrigerator, the compressor and the condenser are connected in series, one end of the air conditioner evaporator and the battery cooler which are connected in parallel is connected with the condenser, and the other end of the air conditioner evaporator and the battery cooler which are connected in parallel is connected with the compressor. The battery cooler is further connected with a water pump, the water pump is connected with a three-way water valve, a first connector of the three-way water valve is connected with the water pump, a second connector of the three-way water valve is connected with the battery pack, and a third connector of the three-way water valve is connected with the refrigerator; an electric heater is arranged on a pipeline through which the refrigerator and the battery pack are connected in parallel to the battery cooler. The problems that in the prior art, use in a low-temperature environment is not facilitated, and cost is high are solved.

An air conditioning system 1 according to one embodiment comprises an outdoor unit 2, several indoor units 4, 4a, 4b and 4c, several switching units 6, 6a, 6b, 6c and a control unit 8. The switching units 6, 6a, 6b, 6c switch the refrigerant flow to one of two flow paths between the outdoor unit 2 and the several indoor units 4, 4a, 4b and 4c, one of the two flow paths being used for cooling and the other for heating. When an outdoor heat exchanger 203 acts as an evaporator and some of the several indoor units 4, 4a, 4b and 4c are in cooling mode and some are in heating mode, the control unit 8 adjusts the opening degree of an internal expansion valve 404, 404a, 404b, 404c of an indoor unit 4, 4a, 4b and 4c during cooling mode, this adjustment being made according to the outdoor temperature and the indoor temperature detected by an indoor temperature sensing unit 405, 405a, 405b, 405c of an indoor unit 4, 4a, 4b and 4c during heating mode.

The invention discloses a multifunctional heat pump system. The system comprises a first compressor; the first communicating opening communicates with the first refrigerant inlet and outlet through a first communicating pipe; the first heat exchanger is provided with a first inlet and outlet, a second inlet and outlet and a first guide-out opening. The first inlet and outlet communicates with the second refrigerant inlet and outlet through a first pipeline. The second inlet and outlet is communicated with the second communication port through a second pipeline; the evaporator communicates with the third communicating opening through a third pipeline. The second heat exchanger is provided with a third inlet-outlet, a fourth inlet-outlet and a second guide-out opening. The third inlet and outlet is communicated with the evaporator through a fourth pipeline, and the fourth inlet and outlet is communicated with the fourth communication port through a fifth pipeline; the third heat exchanger is provided with a fifth inlet / outlet, a sixth inlet / outlet and a third lead-out port; the fifth inlet and outlet is communicated with the evaporator through a sixth pipeline, and the sixth inlet and outlet is communicated with the fourth communication opening through a seventh pipeline. According to the invention, temperatures of different degrees can be obtained.

The application provides a heat management device and a robot. The device comprises a five-way valve, a water pump, a cooling module, and a heating module. The five-way valve is configured to control the driving mechanism to drive the valve core to rotate according to a control instruction corresponding to a heat management mode, so as to make at least two of the first interface pipe, the second interface pipe, the third interface pipe, the fourth interface pipe, and the fifth interface pipe communicate, and form a heat management loop corresponding to the heat management mode for heat management of a heat management object. The heat management mode is one of a plurality of predetermined modes, and the plurality of predetermined modes include a cooling mode for cooling the heat management object and a heating mode for heating the heat management object. The present scheme realizes flexible switching of multiple heat management modes by controlling the communication between different interface pipes of the five-way valve.

The installation (21) comprises: a primary refrigerant circuit (22), including: - an outdoor unit (23) comprising at least: a first compressor (34), a first heat exchanger (25) configured to exchange heat between a first refrigerant and the outside air, and at least one first expansion valve (26), - an indoor unit (29) comprising at least one second heat exchanger (30) configured to exchange heat between the first refrigerant and the inside air, a secondary refrigerant circuit (32) independent of the primary circuit (22), intended to be installed inside the dwelling and comprising: - a water heater comprising a tank (33), a condenser (35), a second compressor (34) and at least one second expansion valve (36),the primary circuit (22) comprising at least one third heat exchanger (37) allowing the primary circuit (22) and the secondary circuit (32) to be thermally coupled directly or indirectly. Figure from the abstract: Figure 2,

The invention provides a cold and heat double-storage and double-supply system which comprises an energy conversion unit, an energy storage unit and an energy release unit. The energy conversion unit comprises an ice slurry heat pump and an ice making main machine; the energy storage unit comprises an energy storage tank; the energy releasing unit comprises a heat exchanger; the cold end of the ice slurry heat pump is connected with the cold carrying side of the ice-making main machine through a first pipeline to form a circulation loop; the energy charging side of the energy storage tank is connected with the water side of the ice-making main machine through a second pipeline to form a cold storage loop; the energy charging side of the energy storage tank is connected with the hot end of the ice slurry heat pump through a third pipeline to form a heat storage loop; the energy release side of the energy storage tank is connected with one side of the heat exchanger through a fourth pipeline to form an energy release loop; the other side of the heat exchanger is used for being connected with a user side so as to achieve cooling or heating. The energy conversion unit is configured to provide cold energy for the ice-making main machine by the ice slurry heat pump when the energy storage tank stores cold; and when the energy storage tank stores heat, the ice making main machine provides heat for the ice slurry heat pump.

The invention provides a ship waste heat recovery system which comprises an acquisition module, a heat exchange module, a heat exchange module and a cold exchange module, the acquisition module comprises a heat collection circulating coil pipe and a cold collection circulating coil pipe, the heat collection circulating coil pipe is used for collecting waste heat of refrigeration equipment, and the cold collection circulating coil pipe is used for exchanging heat with seawater for cold collection; the energy conversion module comprises a heat pump and a water storage tank which are connected with each other, the heat collection circulating coil pipe and the cold collection circulating coil pipe are connected to a water inlet of the heat pump in parallel, and the heat pump is used for conducting heat exchange on water flow in the heat collection circulating coil pipe or the cold collection circulating coil pipe and water in the water storage tank; the water storage tank is used for supplying water to the heat pump and storing water subjected to heat exchange; the environment sensing module is used for acquiring ship state data; and the control module is used for controlling the acquisition module to switch between heat acquisition and cold acquisition on the basis of data detected by the environment sensing module.

The utility model relates to the technical field of air conditioners, and discloses a fresh air reheating dehumidification air conditioning system. The four-way valve assembly comprises a system four-way valve and a reheating four-way valve, the system four-way valve is arranged on the first exhaust branch and communicated with the first air suction branch, and the reheating four-way valve is arranged on the second exhaust branch and communicated with the second air suction branch; the outdoor heat exchanger is communicated with the system four-way valve; the indoor heat exchange assembly comprises a dehumidification heat exchanger and a reheating heat exchanger, one end of the dehumidification heat exchanger communicates with the outdoor heat exchanger, the other end of the dehumidification heat exchanger communicates with the system four-way valve, one end of the reheating heat exchanger communicates with the reheating four-way valve, and the other end of the reheating heat exchanger communicates with the dehumidification heat exchanger. The reheating dehumidification fresh air conditioning system further comprises a full-effect heat exchanger, so that indoor inlet air flows through the full-effect heat exchanger to become fresh air, and then flows through the indoor heat exchange assembly. According to the fresh air reheating dehumidification air conditioning system, constant-temperature dehumidification of fresh air is achieved.

A refrigeration cycle apparatus includes a heat source side unit, a relay unit, and a plurality of load side units, the heat source side unit and the relay unit are connected by using a low-pressure pipe and a high-pressure pipe, and the relay unit and each of the plurality of load side units are connected by using a corresponding liquid branch pipe and a corresponding gas branch pipe. The heat source side unit includes a compressor configured to compress refrigerant, at least one flow switching valve configured to change a passage of refrigerant based on an operation mode, and at least one heat source side heat exchanger, and the relay unit includes six-way valves or pairs of four-way valves, each of the six-way valves or each of the pairs of four-way valves being connected to each of the plurality of load side units, and a gas-liquid separator whose inlet is connected to the high-pressure pipe. Each of the six-way valves or each of the pairs of four-way valves is connected to a gas outlet of the gas-liquid separator, a liquid outlet of the gas-liquid separator, the gas branch pipe and the liquid branch pipe connected to each of the plurality of load side units, and the low-pressure pipe.

The invention belongs to the technical field of semiconductor thermoelectric refrigeration, and discloses a current turning semiconductor refrigeration sheet, which is characterized by comprising an upper ceramic sheet, a lower ceramic sheet, and a plurality of P-type semiconductor junctions (P junctions) and N-type semiconductor junctions (N junctions) arranged between the upper ceramic sheet and the lower ceramic sheet, the P junctions and the N junctions are sequentially and alternately connected through the connecting copper sheets to form a galvanic couple array; the semiconductor chilling plate is characterized by further comprising a first power supply loop and a second power supply loop. The current direction formed by the second power supply loop in part of the couple pairs is opposite to the current direction formed by the first power supply loop in part of the couple pairs. The problem of overheating caused by mismatching of heat dissipation is solved, independent optimization of the refrigerating / heating capacity is achieved, the application flexibility is high, and the structure is reliable.

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.

This application relates to a control method for a multi-functional water heater and the multi-functional water heater itself. The method includes: determining the current operating mode of the multi-functional water heater and determining the priority operating function under the current operating mode; obtaining a first operating temperature and a second operating temperature; allocating a first quantity of all operating modules according to the current operating mode, the priority operating function under the current operating mode, the first operating temperature, and the second operating temperature, so that the operating modules prioritize the priority operating function; and, if the first operating temperature or the second operating temperature is greater than or equal to a preset temperature threshold, allocating a second quantity of all operating modules according to the current operating mode, the priority operating function under the current operating mode, the first operating temperature, and the second operating temperature, so that the operating modules simultaneously satisfy the priority operating function and other operating functions under the current operating mode. The technical solution of this application achieves a reasonable allocation of multiple operating modules.

Temperature control system for temperature-controlling a room, comprising: a primary circuit (11); a secondary circuit; a first heat exchanger (1) with a primary side (10) and a secondary side (12), wherein the first heat exchanger (1) is configured to couple the primary circuit (11) and the secondary circuit, and wherein the primary circuit (11) is configured to extract heat from the secondary side (12) of the first heat exchanger (1) via the primary side (10) of the first heat exchanger, wherein the secondary circuit comprises: the secondary side (12) of the first heat exchanger (1); a manifold (2) which, in operation of the temperature control system, is arranged below (60) the secondary side of the first heat exchanger (1); a pump (3) which is coupled to the manifold (2);and a second heat exchanger (4) which, during operation of the temperature control system, is arranged in thermal interaction with the space (5) to be temperature controlled and is located above the collector (2); and a secondary fluid (50) which, during operation of the temperature control system, is arranged in the secondary circuit and is pressurized such that a phase change from a liquid secondary fluid to a vaporous secondary fluid takes place in the second heat exchanger (4) and a phase change from the vaporous secondary fluid to the liquid secondary fluid takes place in the secondary side (12) of the first heat exchanger (1).

The invention discloses a cold and heat demand coupling type waste heat recovery system, a control method and a storage medium. The cold and heat demand coupling type waste heat recovery system comprises a plurality of heat supply loops, a plurality of cold supply loops and a controller. A first temperature sensor is arranged on a water outlet pipe of the leaf storage room to obtain a first temperature; a third temperature sensor is arranged on a water outlet pipe at the heat absorption end of the heat exchanger to obtain a third temperature; the controller controls opening and closing of a heat supply loop and a cold supply loop according to the first temperature and the third temperature; the water source heat pump supplies heat to the tobacco leaf storage room and supplies cold to the tobacco shred storage room at the same time, cold and heat complementation of the tobacco leaf storage room and the tobacco shred storage room is achieved, the water inlet temperature of the low-temperature side of the water source heat pump is improved through the heat exchanger, and therefore the system energy efficiency is improved; the air source heat pump is arranged, relative cold and heat sources are supplemented in time when the cold and heat requirements of the system are not equal, and stable operation of the system is guaranteed; by arranging various heat supply loops and cold supply loops, heat supply in winter and heat supply and cold supply in summer can be met.

The application discloses a heat pump system with cold-heat coupling recovery function, belonging to the technical field of heat source air pumps. The device comprises a heat source air pump, a cold-heat energy extraction device is externally mounted on the heat source air pump, a cold-heat energy utilization mechanism is mounted on the cold-heat energy extraction device, the compressor generates a large amount of heat or cold air when working, the plug-in block is heated or cooled through contact, so that the plug-in block is heated or cooled, the channel is started to extract air outward, the external air enters the inside of the heat source air pump through the heat dissipation port and is extracted into the inside of the shell of the placing box by the air extraction pump, so that the inside of the placing box is heated or cooled, the door plate is opened to heat the articles when the compressor generates heat, the articles are refrigerated when the compressor is cooled, and when the compressor generates heat, the air extraction pump can make the external air enter the inside of the heat source air pump, so that the heat dissipation effect is improved.

Vehicle air conditioning system (58), in particular for an electric or hybrid vehicle, with a heat exchanger device (10), comprising at least one cooling fluid channel (34) of a refrigerant circuit through which a cooling fluid can flow, at least one heat transfer fluid channel (32) through which a heat transfer fluid can flow, and an air flow duct (12) which is divided into a plurality of air guide channels (20) which have first sections (28) and second sections (30), wherein the first sections (28) are directly thermally coupled to the at least one heat transfer fluid channel (32) and the second sections (30) are directly thermally coupled to the at least one cooling fluid channel (34), wherein the at least one heat transfer fluid channel (32) is arranged in a cooling circuit which is intended for cooling a vehicle engine.

The present invention relates to a heat pump, at least one of the at least two thermal energy storage systems is configured to store thermal energy in a hot form at a temperature between +100 ° C and +800 ° C; at least one of the at least two thermal energy storage systems is configured to store thermal energy in cold form at a temperature between -100°C and +150°C; at least one thermal energy emission system is configured to emit heat and / or cold, either separately or in parallel, over time; or At least one thermal energy emission system is configured to operate in a parallel emission mode, which can be alternated over time with an operating mode of separate emission of heat and / or cold.

The invention discloses an air energy refrigeration and domestic hot water integrated system and a control method. The air energy refrigeration and domestic hot water integrated system comprises a compressor, a four-way valve, an outdoor heat exchanger, an air conditioner indoor unit, a heat exchange water tank and a control module; four interfaces of the four-way valve are respectively communicated with an inlet and an outlet of the compressor, the outdoor heat exchanger and the air conditioner indoor unit; two heat exchange ports of the heat exchange water tank are connected to the two ends of the outdoor heat exchanger in parallel, and a distribution assembly for introducing part of refrigerant into a heat exchange coil of the heat exchange water tank in a refrigeration mode is arranged between the heat exchange water tank and the outdoor heat exchanger. The control module is in communication connection with the temperature sensor, the distribution assembly and the four-way valve, refrigeration waste heat recovery is achieved, the energy utilization rate during operation in summer is effectively increased, energy consumption is reduced, and the four-way valve can be used as a common air source heat pump to operate in winter.

The invention discloses a combined cooling heating and power energy supply system and a control method, and belongs to the technical field of new energy. The combined cooling heating and power energy supply system comprises a compression module, a condensation heat exchange module, a first flow adjusting module, a photovoltaic power generation module, a second flow adjusting module and an evaporation heat exchange module; the output end of the compression module is connected with the input end of the condensation heat exchange module, the output end of the condensation heat exchange module is connected with the input end of the first flow adjusting module and the input end of the second flow adjusting module, and the output end of the first flow adjusting module is connected with the refrigerant input end of the photovoltaic power generation module. The refrigerant output end of the photovoltaic power generation module is connected with the input end of the compression module, the output end of the second flow adjusting module is connected with the input end of the evaporation heat exchange module, and the output end of the evaporation heat exchange module is connected with the input end of the compression module. The technical problems that in the prior art, stability of compression equipment is difficult to guarantee, and power generation efficiency and resource waste are difficult to improve at the same time are solved.