680 results about "Air source heat pumps" patented technology

The invention discloses a temperature and humidity cooperative control method for an air source heat pump drying room, and relates to the technical field of energy conservation, environmental protection and intelligent manufacturing. The method comprises the following steps: acquiring gas heat state parameters and material and environment characteristic parameters in an air source heat pump drying room, and constructing a multi-source state vector; calculating a dynamic response coefficient group and a material evaporation influence coefficient based on continuous sampling data, and establishing a cross response model; a control compensation signal is generated and corrected according to the disturbance estimator, and the comprehensive control quantity is input into an execution module of the air source heat pump system; a dynamic response coefficient group and a lag correction parameter are updated through a periodic feedback data set, and dynamic coordination between temperature and humidity variables is achieved; the response stability of temperature and humidity control can be maintained under the condition that the material moisture content, the stacking density and the external environment condition change, system oscillation and energy consumption deviation are reduced, and the energy efficiency level of the air source heat pump drying process and the product drying uniformity are improved.

The invention discloses a composite joint control method based on a frequency conversion air source heat pump system, and relates to the technical field of air source heat pump systems, and the method comprises the steps: building an HPF control framework, building a multi-input and single-output control model through machine learning, and coupling a PID feedback signal to generate a composite control basic signal; building load single-step forward prediction is carried out by adopting an LSTM neural network, and a building load prediction value is output through training and calculation of the neural network; the heat pump compressor is subjected to staged joint control; forward control is carried out on the load side circulating water pump; a differential switching mechanism is arranged, and water supply temperature deviation is monitored in real time. According to the variable-frequency air source heat pump composite joint control strategy, an HPF control framework, a compressor staged joint control and differential switching mechanism, load side water pump forward control and equipment cooperative linkage are integrated, model dynamic updating and switching parameter optimization are introduced, and the limitation of a traditional single control mode is broken through.

The invention discloses an air source heat pump unattended control method and system, and relates to the field of equipment control, and the method comprises the steps: predicting a load demand according to an environment parameter and a building load parameter, and calculating a target water supply temperature based on the load demand; sorting the heat pump units according to the equipment operation duration parameters, distributing a temperature deviation value for each heat pump unit, and calculating the target water supply temperature and the temperature deviation value corresponding to the heat pump unit to obtain the personalized set temperature of each heat pump unit; a starting instruction sequence is generated according to a preset starting condition and the personalized set temperature, and after the water return pressure parameter reaches a preset parameter threshold value after the circulating water pump is started, all the heat pump units are sequentially started according to the personalized set temperature sequence; and a make-up pump and a pressure release valve are controlled according to the return water pressure parameter and the liquid level parameter, and the temperature deviation value of each heat pump unit is adjusted according to the change of the environment parameter and the building load parameter. By implementing the method, the balance of equipment loads in the multi-unit system can be improved.

The invention provides an air source heat pump system. The air source heat pump system comprises a compressor, a fin heat exchanger, a shell tube heat exchanger and a gas-liquid separator, wherein the shell tube heat exchanger comprises a gas tube, a liquid tube, a heat exchange tube and a liquid separating device, the air source heat pump system further comprises a four-way valve, the four-way valve is correspondingly communication with the compressor, the gas-liquid separator, the fin heat exchanger and the gas pipe, the fin heat exchanger is in communication with the liquid separating device through a orifice plate and a first one-way valve; the fin heat exchanger is in communication with the liquid tube through an expansion valve and a second one-way valve; the first one-way valve is used for the one-way conduction of the fin heat exchanger to the liquid separating device; the second one-way valve is used for the one-way conduction of the liquid pipe to the fin heat exchanger. By the adoption of the system, a liquid storage device of the liquid refrigerant does not need to be added in the system, so that the cost is saved; a large amount of liquid refrigerant cannot flow back to the compressor after defrosting is finished; during the refrigeration mode, the refrigerant running shell pass does not need to be subjected to suction superheat, so that the air suction pressure and the operation efficiency of the refrigeration mode are improved; and the overall use valve of the system is less, and the reliability is high.

The invention discloses an air source heat pump control method and device for a magnetic suspension refrigeration compressor. Adjusting deviation mapping is generated by constructing a temperature response curve and a load demand curve and executing relevance evaluation, an out-of-tolerance mismatch window is detected, and load sudden change characteristics are extracted to determine an adjusting period; positioning an overlapping section in an adjusting period, establishing a refrigerant flow distribution grid to identify a cooperative constraint degree, executing resource conflict identification, marking conflict positions, generating comprehensive weights, and arranging the comprehensive weights in a descending order to form a scheduling sorting table to recombine a compressor operation time sequence; adjusting capacity is preset and fused with a temperature response curve to form an adjustable power range, an area with insufficient margin is identified, margin compensation parameters are generated, and a dynamic adjusting limit is determined; the method comprises the following steps: performing time sequence splitting on environment temperature change based on a dynamic adjustment limit to generate a sudden change component and a slow change component, respectively generating a compressor speed regulation sequence and a heat exchanger adjustment sequence, fusing and establishing a control instruction, and realizing supply and demand accurate matching, resource conflict resolution and dynamic response optimization.

The invention relates to the technical field of air source heat pump unit control, and discloses a control method for an air source heat pump unit. The method comprises the following steps: acquiring environment temperature and humidity data in real time, and performing noise filtering and time synchronization; generating a temperature prediction sequence based on the sliding window and the LSTM model; fluctuation characteristics are extracted through an optimization algorithm, and compressor control signals are generated; estimating the thickness of a frost layer in combination with a thermodynamic model and dynamically generating a defrosting instruction; closed-loop control parameters are generated through normalization processing and weight distribution; and finally, a system execution command is generated through multi-objective optimization, and compressor regulation and control and system health monitoring are achieved. The unit operation efficiency can be improved, the energy consumption can be reduced, and the defrosting control accuracy and the system stability can be enhanced.

The invention relates to the technical field of air source heat pumps, and discloses a wind-solar complementary air source heat pump integrated system which comprises a hardware device, an active frost suppression module and a predictive optimization scheduling control system. The control system can collect internal and external state data of the system and quantitatively calculate frosting risk indexes of the evaporator in all time periods in the future based on future environment temperature and humidity predicted values. According to the method, the hardware device is connected with the active frost suppression module, a dynamic decision is made according to the frosting risk index, when it is judged that the future frosting risk exceeds a preset threshold value, the active frost suppression module is started in advance, photovoltaic heat recovery warm water stored in the hardware device is used for preheating air entering an evaporator, and frosting is actively suppressed from the source. By means of predictive active frost suppression, a traditional passive and high-energy-consumption defrosting mode is replaced, the operation efficiency and heating stability of the heat pump system in the wet and cold environment are remarkably improved, and comprehensive and efficient utilization of energy is achieved.

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 invention provides an air source heat pump heating group regulation and control method and device oriented to power grid interaction, and relates to the technical field of air source heat pump heating group regulation and control, and the method comprises the steps: outputting a power grid regulation and control performance index of each air source heat pump heating group based on a trained gated circulation unit neural network; clustering each air source heat pump heating group on the basis, and determining a target clustering result corresponding to the optimal effectiveness evaluation index; according to an actual regulation and control capability index calculated according to the power grid regulation performance evaluation index, the actual regulation and control capability of each polymer is sequenced; determining a polymer participating in regulation and control and a regulation and control task based on the target power expected to be regulated and controlled by the power grid, the polymer power up and down regulation capability and the actual regulation and control capability, and allocating the regulation and control task according to a gravitational search algorithm so as to enable the difference value between the target power and the output power of the polymer participating in regulation and control to be minimum; the technical problems that in the prior art, regulation and control means are rough, model adaptability is poor, and response capacity cannot be managed in a layered mode are solved.

The invention relates to the technical field of energy management, and discloses a multi-scale probability scheduling method and system for an air source heat pump, and the method comprises the steps: collecting and processing multi-source data, and completing the time alignment and abnormality cleaning; a TA-GRU dual-drive model is constructed, meteorological and electricity price cross-modal characteristics are fused, and load multi-scale characteristics are analyzed through wavelet decomposition; load probability prediction and confidence intervals are generated based on a Monte Carlo Dropout method, and prediction robustness is optimized in combination with multi-time granularity dynamic fusion; an air source heat pump health degree feedback model is established, start-stop loss and performance attenuation are quantified, and the service life state of equipment is evaluated in real time; constructing a day-ahead opportunity constraint planning model based on probability prediction and equipment constraint, and generating a pre-scheduling plan; scheduling deviation is corrected in real time in a rolling mode, and load fluctuation, photovoltaic output changes and power grid frequency modulation instructions are dynamically responded. According to the method, the prediction precision and the scheduling robustness in extreme weather and electricity price fluctuation scenes can be remarkably improved.

The utility model discloses an air source heat pump unit which comprises an air source heat pump unit body and exhaust fans, the number of the exhaust fans is two, the exhaust fans are symmetrically and fixedly installed at the top end of the air source heat pump unit body, the top ends of the exhaust fans are provided with rain shielding discs, one side of each rain shielding disc is provided with a straight cutting plate, and the other side of each rain shielding disc is provided with an air inlet. And two supporting clamping plates are symmetrically and fixedly connected to the top end of the side, close to the straight cutting plate, of the rain blocking disc, a first supporting inclined plate is fixedly connected to one side of the bottom end of the rain blocking disc, and a drainage pipe is fixedly connected to the bottom end of the side, close to the first supporting inclined plate, of the rain blocking disc. Through cooperation of the PLC and the rainwater sensor, automatic shielding and resetting operation of the rain shielding disc on the exhaust fan is achieved, and when it is detected that it rains, the electric push rod drives the rain shielding disc to accurately move to the top end of the exhaust fan to shield rainwater.

The invention discloses a combined cold and heat source system and a control method thereof. The system comprises a control module, an air source heat pump unit, a ground source heat pump unit, an external connection mechanism used for being connected with a load side, a circulation loop comprising a water delivery main pipeline and a water return main pipeline, a monitoring module used for detecting temperature and flow and in communication connection with the control module, and a switching module in communication connection with the control module. The first output pipeline and the first input pipeline are connected through a bypass pipeline, the switching module is connected with the first output pipeline, the first input pipeline and the bypass pipeline, and the control module can control the switching module according to information of the detection module, so that the air source heat pump unit enters an anti-freezing mode through self-circulation in a low-temperature environment. Through structural improvement, when the air source heat pump is not started in winter, the ground source heat pump does not need to supply heat for the air source heat pump for freezing prevention any more, and freezing prevention can be achieved only through self-circulation of water in the air source heat pump through the switching module.

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 discloses an air source heat pump and a drainage channel thereof, the drainage channel comprises an upper coaming plate, a front coaming plate, a lower coaming plate and a rear coaming plate, the upper coaming plate, the front coaming plate, the lower coaming plate and the rear coaming plate are sequentially connected to define an inner cavity, and the inner cavity is provided with a left opening and a right opening; the drainage groove further comprises a right surrounding plate, and the right opening is blocked by the right surrounding plate. The drainage channel further comprises a heat recovery cover, the heat recovery cover is fixedly connected to the lower portion of the lower surrounding plate, the heat recovery cover is provided with a cover cavity, and the cover cavity is communicated with the inner cavity. During use, the cover cavity of the heat recovery cover is communicated with the exhaust cavity of the compressor, air in the inner cavity is heated through heat recovered by the compressor to prevent the upper surface of the upper coaming of the drainage groove from being frozen, electric heating equipment is not needed to prevent the upper surface of the upper coaming of the drainage groove from being frozen, and energy can be effectively saved.

The phase change heat storage module for the air source heat pump comprises an outer box body, the outer box body sequentially comprises a carbon steel spraying shell, a polyurethane foaming heat preservation layer and an inner container from outside to inside, an auxiliary heat storage mechanism is arranged in the inner container, and the auxiliary heat storage mechanism comprises a heat storage assembly and a plurality of installation assemblies; the heat storage assembly comprises a double-layer support, the inner portion of the double-layer support is fixedly connected with fourteen installation circular rings through cross connecting rods, and the fourteen installation circular rings are arranged on an upper layer and a lower layer. According to the phase change heat storage module for the air source heat pump, the air energy matched water tank is filled with the independently-sealed phase change heat storage bottle, the phase change heat storage module for the air source heat pump is integrated, the heat storage capacity of an existing air energy matched water tank is improved, the starting and stopping frequency of equipment is reduced, and the service life is prolonged; low-price thermal energy is stored during the "valley electricity" period for invoking during the "peak" period.

The utility model belongs to the technical field of heating ventilation air conditioners, and particularly relates to a defrosting device and an air source heat pump device. The defrosting device comprises a hot air pipe, the hot air pipe is arranged around the fin type heat exchanger, and air holes facing one side of the fin type heat exchanger are formed in the hot air pipe. The vortex tube comprises a vortex chamber, an air inlet, a cold air section and a hot air section, the air inlet, the cold air section and the hot air section are communicated with the vortex chamber, the air inlet is used for introducing compressed air, the hot air section is connected with the hot air pipe, and the air outlet direction of the cold air section faces the outer side of the fin heat exchanger. According to the defrosting device, compressed air is used for defrosting, so that the air source heat pump device can stably heat and supply heat for a long time in a low-temperature environment, sufficient compressed air resources of a plant are reasonably utilized to be matched with the defrosting device, non-stop defrosting of a heat pump unit can be achieved, and the heat exchange performance of the heat pump unit is effectively improved.

The application discloses a kind of air source heat pump's air supplement enthalpy control method.It includes: according to the difference of current period's air supplement superheat and the reference safety superheat of current period, determine the air supplement instantaneous difference value of current period;According to the air supplement instantaneous difference value of current period, the air supplement superheat safety difference value of last period and the change trend difference value of current period, determine the air supplement superheat safety difference value of current period;According to the air supplement superheat safety difference value of current period determines corresponding steady control strategy, to control the air supplement expansion valve of air source heat pump according to steady control strategy.By constructing air supplement superheat safety difference value, air supplement state is expanded from traditional binary judgment to continuous quantitative index, so as to execute corresponding steady control strategy according to the quantitative index subsequently, control the opening of air supplement expansion valve, to solve the problem that traditional binary judgment cannot quantify liquid-carrying risk.

This utility model relates to the technical field of anti-clogging devices and discloses an anti-clogging device for the drain outlet of an air source heat pump. The device includes a drain pipe with a connecting circular frame on its exterior. The inner top and bottom walls of the connecting circular frame are equipped with limiting components that engage with the outside of the drain pipe. A filter plate is installed on the inner wall of the connecting circular frame. This anti-clogging device for the air source heat pump drain outlet, by incorporating a cleaning component and using a 1-mesh stainless steel filter plate, effectively traps tiny impurities such as dust particles and algae spores, preventing foreign objects from entering the drain pipe and causing blockage at the source. A miniature waterproof servo motor drives a second rotating shaft to rotate, which in turn drives a second bevel gear to rotate, causing a cleaning brush to rotate and scrape away dirt and ice crystals adhering to the filter plate surface in real time. This prevents the mesh from becoming clogged due to the accumulation of impurities, significantly improving the reliability of the anti-clogging device, enhancing its practicality, and making it easier for users to operate.

The noise reduction device for the air source heat pump unit comprises an air outlet pipe and a connecting cover, the connecting cover is arranged in the air outlet pipe, four sets of L-shaped buckles are arranged on the inner wall of the air outlet pipe at equal intervals, four sets of limiting buckles are installed on the outer wall of the connecting cover at equal intervals, and the limiting buckles are in sliding connection with the L-shaped buckles. Locking pins are symmetrically installed on the outer wall of the air outlet pipe and penetrate through the air outlet pipe, inserting holes are formed in the positions, on one sides of the locking pins, of the side wall of the connecting cover, the locking pins can be inserted into the inserting holes, multiple sets of A external threads are arranged on the side, away from the air outlet pipe, of the connecting cover at equal intervals, and silencing cylinders are arranged on the surfaces of the A external threads. And B internal threads are arranged on the inner walls of the silencing cylinders. According to the utility model, convenient multi-position noise elimination and noise reduction are realized, the device can be conveniently and quickly disassembled and assembled, and the disassembly and assembly convenience and the noise reduction effect of the device are improved.

The present application provides an ambient temperature self-adaptive control method, device, medium, electronic equipment and heat pump, relates to the technical field of heat pump, and solves the technical problems that customers frequently adjust the set temperature of the unit and the operation is complicated. The method comprises the following steps: S1, presetting user habit parameters; S2, acquiring current outdoor temperature parameters; S3, obtaining starting operation parameters of an air source heat pump unit based on the acquired current outdoor temperature parameters and the preset user habit parameters; S4, acquiring the outdoor temperature parameters again after a set interval time At; S5, obtaining updated operation parameters of the air source heat pump unit based on the outdoor temperature parameters acquired again and the current outdoor temperature parameters acquired in the step S2; S6, comparing the updated operation parameters with actual operation parameters; and S7, executing different temperature adjustment methods based on the comparison result. The present application adjusts the indoor temperature of each room according to the outdoor temperature change of each room, and relieves the situation that the user frequently sets the indoor temperature.

1. The name of the design product: air source heat pump. 2. The use of the design product: the product is used to adjust indoor temperature, which can cool and heat. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. The bottom of the design product is not easy to see or not visible during use, and the top view is omitted.

The application provides a heating method, a heating control device and a heating system which are preferential for middle-deep geothermal energy, and the heating method comprises the following steps: determining real-time heating load demand of a heat user; triggering a middle-deep downhole heat exchange system to provide heating for the heat user; triggering a PVT and the middle-deep downhole heat exchange system to provide heating for the heat user when the PVT meets a heating condition; starting a rock-soil energy storage and recycling system to cooperate with the middle-deep downhole heat exchange system and the PVT to provide heating for the heat user when the heating load demand of the heat user cannot be met by the heat energy provided by the middle-deep downhole heat exchange system and the PVT; and starting an air source heat pump system to cooperate with other heating heat source devices to realize matching between the heating heat energy and the heating load demand of the heat user when the heating load demand of the heat user cannot be met by the cooperation of the middle-deep downhole heat exchange system, the PVT and the rock-soil energy storage and recycling system. The energy utilization efficiency is improved by the scheme provided by the application, and efficient, stable and economic operation of the heating system is realized.

The utility model relates to the technical field of drying and refrigerating, in particular to a low-carbon drying and refrigerating all-in-one machine which comprises an air source heat pump module, an energy storage module connected with the air source heat pump module and a working cavity connected with the energy storage module. The air source heat pump module comprises a fluid separator, a compressor connected with an outlet of the fluid separator, a four-way reversing valve connected with an outlet of the compressor, a first heat exchanger and a second heat exchanger, wherein the first heat exchanger and the second heat exchanger are connected with the four-way reversing valve. Wherein the compressor, the fluid separator, the first heat exchanger and the second heat exchanger are respectively connected with different ports of the four-way reversing valve; the energy storage module comprises an energy storage tank with an inlet connected with the first heat exchanger, a pump connected with an outlet of the energy storage tank, and a third heat exchanger connected with the pump. The third heat exchanger is also connected with the first heat exchanger; and the working chamber is connected with the third heat exchanger through a recovery pipeline.

The invention relates to the technical field of air source heat pump steam engines, in particular to an efficient and environment-friendly air source heat pump steam engine and application of the efficient and environment-friendly air source heat pump steam engine. A steam outlet of a gradient type liquid separation evaporator communicates with a gas-liquid separation tank and a first steam inlet of an inverter compressor through a four-way valve, and a monitoring assembly is arranged between the inverter compressor and the four-way valve; the variable-frequency compressor is communicated with the double-flow-channel condenser, the double-flow-channel condenser is communicated with the liquid storage device, the liquid storage device is communicated with the flash tank type economizer through the two-stage throttling assembly, the top of the flash tank type economizer is communicated with a steam supplementing opening of the variable-frequency compressor, and the flash tank type economizer is communicated with the gradient type liquid separation evaporator through the two-stage throttling assembly. The gradient type liquid separation evaporator is provided with a low-temperature auxiliary assembly. By the adoption of the structure, air serves as a heat source, zero pollutant emission is achieved, the frequency of the inverter compressor is dynamically adjusted according to loads, high efficiency and energy saving are achieved, the operation cost is reduced, and requirements of multiple fields such as textile printing and dyeing, food processing, chemical and medicine and agricultural greenhouse heating are met.

An air source heat pump and steam boiler combined heat supply system comprises a water treatment system, an air source heat pump, a deaerator, a steam boiler and an induced draft fan, the water treatment system used for desalting and softening water is connected with the water inlet end of the air source heat pump, and the water outlet end of the air source heat pump is connected with the water inlet end of the steam boiler through the deaerator. The air outlet end of the steam boiler is connected with the air inlet end of the air source heat pump. The heat supply system is simple in structure, convenient to operate, flexible and practical, the air source heat pump is embedded in an existing mature steam boiler heat supply system, the waste heat of the smoke at the tail of the steam boiler is further recycled, the overall heat efficiency of the heat supply system is improved, and the heat supply cost is reduced.

The application discloses a variable frequency air source heat pump frost control operation method based on a frost control performance graph, and belongs to the technical field of frost control. First, a variable frequency unit frost control performance graph under a current working condition is drawn. Second, according to a heating capacity range and a frost control potential reflected by the frost control performance graph, a heating target and a frost control operation target are determined according to a building load demand at the moment. Third, a compressor frequency and an outdoor fan frequency of the variable frequency air source heat pump are determined according to the above demand and target. Finally, the compressor and the fan frequency output are controlled by a unit frost control operation controller, so that the heating and the frost control demand are realized. On the basis of meeting the heating capacity, effective frost control operation of the unit is realized.

The utility model relates to a low temperature anti -icing air source heat pump belongs to air source heat pump technical field, including air source heat pump body, the outside of air source heat pump body is provided with filter box, is established with the water channel in the inside of filter box. The utility model has the beneficial effect that the circulating water passes into the water channel in filter box through the water inlet pipe body, and then will contact with filter drum, to this can realize the filtration purpose to circulating water with the filter hole on filter drum, to be able to reduce the accumulation phenomenon of impurity in the condenser in water, subsequently, the filtered circulating water then by cold water inlet pipe enters the inside of air source heat pump body, and the impurity will be collected uniformly in filter drum, by opening the cover on the pull ring, can conveniently clean the filter residue for staff, convenient to replace and maintain filter drum simultaneously, to be able to reach the best use effect of air source heat pump body.

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 relates to the technical field of multi-objective optimization control, in particular to an improved ant lion algorithm-based multi-objective optimization control method for an air source heat pump air conditioning system, which comprises the following steps of: constructing a triple constraint fitness function; the method has the beneficial effects that the limitation of single target optimization of a traditional control method is broken through by constructing a triple constraint fitness function comprising a system energy consumption item, a comfort item and a system comprehensive penalty item. By dynamically adjusting the correction coefficient, the relation of energy consumption, comfort level and stability can be flexibly balanced according to actual requirements, the extreme situation that comfort level is sacrificed for energy conservation or excessive energy consumption is caused for comfort is avoided, and the optimal comprehensive performance of the system is achieved.

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.