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2305 results about "Air source heat pumps" patented technology

An air source heat pump (ASHP) is a system which transfers heat from outside to inside a building, or vice versa. Under the principles of vapor compression refrigeration, an ASHP uses a refrigerant system involving a compressor and a condenser to absorb heat at one place and release it at another. They can be used as a space heater or cooler, and are sometimes called "reverse-cycle air conditioners".

Direct heat pump type thermal management system

The invention relates to the technical field of electric vehicle heat management, in particular to a direct heat pump type heat management system. Comprising a cooling liquid loop and a refrigerant loop, and the cooling liquid loop comprises a first cooling loop used for heat management of a battery pack, a second cooling loop provided with a plate heat exchanger, a third cooling loop used for heat management of an electric drive assembly and a fourth cooling loop provided with a radiator; the first cooling loop, the second cooling loop, the third cooling loop and the fourth cooling loop are connected through a seven-way valve; the refrigerant loop comprises a first refrigerating loop used for conducting heat management on the passenger compartment, a second refrigerating loop provided with an evaporator and a third refrigerating loop connected with the plate heat exchanger. The direct heat pump type heat management system is simple in structure, heat pump heating can be achieved in the heat pump mode that a refrigerant releases heat in the indoor condenser and absorbs heat in the outdoor heat exchanger under the condition that the external air temperature is low, and the energy-saving effect of an air source heat pump is reflected to the maximum extent.
Owner:DONGFENG HONDA AUTOMOBILE CO LTD

Temperature control method of air source heat pump heat supply system

The invention relates to the technical field of heat supply system temperature control, and discloses a temperature control method of an air source heat pump heat supply system. The method comprises the following steps: establishing a temperature field model according to temperature-pressure-flow data of the head and tail ends of a building and each region, and obtaining distribution characteristics; analyzing and predicting a thermal load based on the temperature rise and drop rate and the heat storage coefficient; determining a water supply temperature correction coefficient and a valve opening degree through fuzzy control in combination with an outdoor temperature trend; generating a partition start-stop sequence according to the partition start-stop sequence; and finally calculating heat pump operation frequency and water pump rotation speed. According to the method, the partition control strategy based on temperature field modeling is established, the technical means such as unit pressure compensation and partition alternate starting are combined, accurate temperature control over all the heat supply areas is achieved, and the problem of uneven heat supply in the prior art is effectively solved.
Owner:TAIKANG SHANXI REFRIGERATION ENERGY SAVING POLYTRON TECH

Optimized operation method of air source heat pump-fan coil central air-conditioning system

The invention belongs to the technical field of optimized operation of central air-conditioning systems, and particularly discloses an optimized operation method of an air source heat pump-fan coil central air-conditioning system, which comprises the following steps of: firstly, acquiring influence factors of building load and outdoor meteorological parameters; a central air conditioner load prediction model, an outdoor meteorological parameter prediction model and a data driving model of an air source heat pump and a water pump are constructed, the total energy consumption of system operation, the load demand at the next moment, the outdoor environment temperature and the outdoor relative humidity are obtained through prediction, and then an optimization objective function and constraint conditions are set; and solving the optimization objective function and the constraint condition by using a grid search optimization algorithm to obtain the set temperature of the host at the next moment and the set frequency of the water pump at the next moment, and completing the optimization process. According to the method, the problem of high hysteresis of the central air-conditioning water system is solved, and the host set temperature and the water pump set frequency at the next moment are optimized and solved according to the operation data at the current moment.
Owner:CHENGDU YITAI INTELLIGENT TECH CO LTD

Air source heat pump heating method and system

The invention provides an air source heat pump heating method and system, and relates to the technical field of heat pump system thermal control, and the method comprises the steps: collecting evaporator surface frost layer thickness, environment temperature and humidity parameters in real time, inputting the parameters to a pre-trained neural network algorithm model, and identifying a frosting rate by analyzing a multi-factor nonlinear relation; predicting a future frosting development trend, and outputting frosting thickness increase prediction and severity degree results; and according to the frosting thickness increase prediction and the severity degree result, reverse circulation defrosting is started in advance when the frost layer does not reach the critical thickness, and optimal control over the defrosting process is achieved by adjusting the opening degree of the four-way valve and the rotating speed of the draught fan, so that the system state after defrosting is obtained. The energy efficiency of the system is improved, and the heating comfort is optimized.
Owner:LIAONING POWER INVESTMENT SMART ENERGY CO LTD

Automatic defrosting mechanism of air source heat pump

The utility model relates to the technical field of automatic defrosting, and provides an automatic defrosting mechanism of an air source heat pump, which comprises an air source heat pump body and a heat exchange evaporator, the heat exchange evaporator comprises a heat exchange fin, a defrosting pipe is fixedly mounted on the heat exchange fin, the air source heat pump body is communicated with a cold water pipe and a hot water pipe, and the cold water pipe is communicated with the hot water pipe. A heat preservation heating box is fixed to the outer wall of the air source heat pump body and communicated with a first water guide pipe, the first water guide pipe is communicated with one end of the defrosting pipe, the hot water pipe is further communicated with a water inlet pipe, the water inlet pipe is communicated with the heat preservation heating box, and the communication position is controlled by an electromagnetic control valve. The second water guide pipe communicates with a one-way water valve. The water inlet pipe is additionally arranged on the hot water pipe of the automatic defrosting mechanism of the air source heat pump and matched with the first water guide pipe, the defrosting pipe and the second water guide pipe, the heat exchange evaporator is defrosted, it is guaranteed that the heat exchange evaporator makes full contact with outside air, and the working efficiency of the heat exchange evaporator is not affected.
Owner:SHANDONG AOXIN HEATING CO LTD

Air source heat pump automatic control system and system protection method

An automatic control system of an air source heat pump analyzes collected multi-dimensional operation parameters in real time based on a machine learning algorithm, constructs a high-precision thermal load prediction model, predicts thermal load requirements in the future 1-24 hours, controls prediction errors within 5%, and achieves minimization of energy consumption and maximization of heat storage efficiency on the premise of meeting operation constraints. The overall energy consumption is reduced by 15%-25% compared with that of a traditional system, the heat loss is reduced by dynamically adjusting the flow of a heat storage medium and optimizing the thermodynamic process of heat storage and heat release, and the heat storage efficiency is improved by 10%-15%. According to the invention, the advanced machine learning algorithm is adopted through the big data analysis module, the multi-dimensional operation parameters are analyzed in real time, a high-precision thermal load prediction model is constructed, the thermal load demand in the future 1-24 hours is predicted, and the prediction error is controlled within 5%.
Owner:HENAN HAOLI INTELLIGENT TECH CO LTD

Distributed energy station heat supply load prediction method based on LSTM

The invention discloses a distributed energy station heat supply load prediction method based on LSTM, relates to the technical field of distributed energy station heat supply, and provides a distributed energy station heat supply load prediction method based on a long short-term memory network. Through learning past historical operation data, weather data, building data and time data of each distributed energy station after abnormal processing of an isolated forest algorithm, a unique memory mechanism and a gating structure of LSTM are applied to analyze a heat supply load change rule of the energy station. And the most reasonable outlet water temperature or return water temperature in a certain hour in the future is predicted according to real-time data and is issued to the energy station in time, the heating temperature of the air source heat pump is adjusted, accurate heat supply regulation and control are achieved, room temperature balance can be effectively maintained, the COP value of the energy station is increased, and work orders and energy waste are reduced.
Owner:SHANDONG HETONG INFORMATION TECH CO LTD

Two-stage robust optimization configuration method of integrated energy system and related components

The invention relates to a two-stage robust optimization configuration method of an integrated energy system and related components, and belongs to the technical field of integrated energy system optimization, and the method comprises the steps: constructing output models of a plurality of devices based on the integrated energy system; determining an optimization target based on the operation cost of the integrated energy system, and constructing a two-stage robust optimization configuration model according to the optimization target; a column sum constraint method Camp is adopted; and solving the two-stage robust optimal configuration model by the CG to obtain an optimal configuration result of the integrated energy system. According to the method, the conservative degree of the system can be flexibly adjusted, and a conservative economic optimal solution which still meets the safe operation constraint of the system in a severe environment is provided for investors; a near-zero-carbon electricity-heat-cold comprehensive energy system model is provided, an air source heat pump is adopted for providing cold / heat loads, fossil fuel is prevented from being used, and carbon emission is effectively reduced.
Owner:NORTHEAST DIANLI UNIVERSITY

Defrosting control method and system for air source heat pump unit

The invention discloses a defrosting control method and system for an air source heat pump unit, and relates to the technical field of air source heat pumps. The frosting rate, the frosting thickness and the heat exchange efficiency reduction rate are calculated respectively, the frosting degree index is further calculated, a preset threshold value is compared, and whether the air source heat pump unit needs to be defrosted or not is judged; total defrosting heat is calculated, defrosting time is calculated based on the total defrosting heat, and then the temperature change rate of the outdoor heat exchanger is calculated; a defrosting effect index is calculated based on the outdoor heat exchanger temperature change rate; a preset threshold value is compared and whether defrosting is completed or not is judged; according to the method, the defrosting process can be monitored in real time and accurately controlled, and it is ensured that defrosting operation is timely, appropriate and efficient.
Owner:JIANGSU SHINCO CENT AIR CONDITIONING

Air source heat pump drying room temperature and humidity cooperative control method

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.
Owner:HENAN HAOLI INTELLIGENT TECH CO LTD

Independent energy supply system suitable for high altitude area and control method thereof

The invention relates to the technical field of new energy, and discloses an independent energy supply system suitable for a high-altitude area and a control method thereof, electric power is generated through photovoltaic power generation, part of the electric power is stored in a storage battery, and the residual electric power is used for electrolyzing water to prepare hydrogen and oxygen, and the hydrogen and the oxygen are respectively stored. The oxygen content in the air is increased by mixing the oxygen, the oxygen and the hydrogen jointly enter the fuel cell for chemical reaction, and stable electric power and hot water are output. In order to ensure the stability of the system, a low-temperature air source heat pump is configured to serve as standby heat supply equipment, and accurate adjustment and storage of electric power are achieved through cooperative work of a load tracking module and an efficient storage battery. According to the system, photovoltaic power generation, hydrogen energy storage and fuel cell technologies are combined, continuous and reliable power and heat combined supply can be achieved in high-altitude areas lack of power grid support, and an efficient and environment-friendly solution is provided for energy supply in remote areas.
Owner:上海舜华新能源系统有限公司

Heat pump heating and cooling system adopting phase change energy storage

The invention relates to the technical field of heat pumps, and discloses a heat pump heating and cooling system adopting phase change energy storage, which comprises an air source heat pump, a phase change energy storage device and a heating and cooling terminal device, the phase change energy storage device comprises two phase change energy storage modules which are arranged in parallel; the refrigerant circulation pipeline is provided with a pressure protection assembly. The system further comprises a defrosting control module, and the defrosting control module is in signal connection with an evaporator frosting sensor of the air source heat pump and an energy storage capacity monitoring unit of the phase change energy storage device. Two modules of the phase change energy storage device adopt gradient temperature configuration and are matched with a multi-channel switching valve, the working state can be flexibly adjusted according to the environment and load requirements, and efficient energy storage and energy release are achieved. During defrosting, the low-temperature module responds preferentially, and the heat supply effect is guaranteed; and the pressure protection assembly monitors the pipeline pressure in real time and releases pressure and slowly releases the refrigerant in time when abnormity occurs, so that the safety and stability of the system are ensured.
Owner:QINGDAO HENGTAI RADIATOR CO LTD

Multi-energy coupling air source heat pump heating model selection and operation method and system

The invention provides a multi-energy coupling air source heat pump heating type selection and operation method and system, and relates to the technical field of air source heat pumps, which comprises the following steps: predicting a heating load according to building parameters and meteorological parameters, selecting an air source heat pump, and connecting a solar heat collector, a heat storage water tank and a heating tail end. Then, according to the meteorological parameters, the heat yield of the solar heat collector is calculated, the heat collection area and the volume of the heat storage water tank are determined, and an air source heat pump heating performance curve is established; and finally, the input temperature threshold value of the solar heat collector and the operation time period of the air source heat pump are determined based on the system operation optimization model, solar energy is preferentially used for heating, heat supply supplementation is conducted in combination with the heat storage water tank and the air source heat pump, and therefore the energy utilization efficiency is improved, and the heating cost is reduced.
Owner:SHANGHAI HOUCE ENERGY TECH CO LTD

Double-source coupling type heat pump system

The utility model discloses a double-source coupling type heat pump system which comprises an air source heat pump unit, a water source heat pump unit, an energy storage water tank, a water storage tank, a cooling tower and a heat consumer, and a first circulation pipeline, a second circulation pipeline, a third circulation pipeline and a fourth circulation pipeline are respectively formed through opening and closing control of a plurality of electromagnetic valves to achieve different operation modes. Switching of a single-source system and a double-source system and multiple heating (cooling) modes can be achieved. During coupling operation, the double-source heat pump unit and the water tank form a first circulation pipeline. During decoupling operation, the low-temperature air source heat pump unit is directly communicated with the heat user to form a second circulating pipeline; the low-temperature air source heat pump unit, the energy storage water tank and the heat user form a third circulating pipeline to realize heating (cooling); the water source heat pump unit, the energy storage water tank, the cooling tower and the heat user form a fourth circulation pipeline to refrigerate the heat user.
Owner:SHANXI UNIV +1

Heat allocation system based on heat pump

The invention discloses a heat allocation system based on a heat pump. The heat allocation system comprises a water tank; a water source heat pump; an air source heat pump; a cooling tower; a cooling water circulation system; a hot water circulation system; a chilled water circulation system; an exhaust heat recovery system; wherein the water tank, the water source heat pump, the air source heat pump, the cooling tower, the cooling water circulation system, the hot water circulation system, the chilled water circulation system and the exhaust heat recovery system are connected with one another to realize heat allocation, especially heat allocation of a coating pretreatment electrophoresis production line of a vehicle body or parts forming the vehicle body; according to the system, heat generated when the heat pump / refrigerating unit produces chilled water and / or heat taken away in exhaust air can be recycled and used for heating the heat using tail end. Therefore, the heat which is wasted originally can be fully utilized, the energy consumption is reduced, and the utilization efficiency of energy is improved.
Owner:AUTOMOTIVE ENGINEERING CORPORATION +1

Solar energy-phase change heat storage synergetic parallel evaporator segmented defrosting system and solar energy-phase change heat storage synergetic parallel evaporator segmented defrosting method

The invention discloses a solar energy-phase change heat storage collaborative parallel evaporator segmented defrosting system and method, and belongs to the technical field of air source heat pump defrosting and new energy utilization. Comprising evaporator sets (A / B) arranged in parallel, a compressor, a condenser, a four-way reversing valve, a solar heat collecting plate, an electromagnetic valve, a temperature sensor and a connecting pipeline. A phase change material interlayer is embedded in a finned tube of the evaporator set, the phase change material is connected with the solar heat collection plate through a circulation pipeline, the phase change material absorbs or releases a large amount of latent heat in the solid-liquid phase change process, and heat collected by the solar heat collection plate is stored in a high-density mode. When the evaporator is frosted, heat stored by the phase change material can be released directionally, and melting of a frost layer is accelerated. Through the synergistic effect of solar energy and phase change heat storage, the defrosting time is remarkably shortened, indoor temperature fluctuation caused by reverse circulation is reduced, meanwhile, the energy utilization rate is increased, the structure is simple, the cost is controllable, and the efficient defrosting requirement of the air source heat pump in the cold region is met.
Owner:LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY

Air source heat pump control system

The invention discloses an air source heat pump control system, and particularly relates to the technical field of air source heat pumps, which comprises the following steps: providing an operation parameter intelligent control module, modeling each component of an air source heat pump, outputting a mathematical model of each component, and verifying the reliability; the mathematical models of all the components form an air source heat pump simulation model, and a compressor rotating speed prediction value is output based on the air source heat pump simulation model; a rotating speed control instruction is generated based on the compressor rotating speed prediction value, and the air source heat pump compressor is used for receiving and executing the instruction; the difference between the predicted heat supply coefficient and the actual heat supply coefficient is monitored in real time, and measures are taken; when the difference value between the predicted heat supply coefficient and the actual heat supply coefficient exceeds a threshold value TH1, early warning is carried out; the problems that in the prior art, real-time sensing and self-adaptive adjusting capacity for environment changes are lacked, and the optimal energy-saving effect cannot be achieved are effectively solved. And meanwhile, an evaporator assembly in the air source heat pump is prevented from frosting by providing a frost prevention control module.
Owner:JIANGSU ANFANG ELECTRIC POWER TECH

Scenic area building group air source heat pump unit-oriented operation scheduling method and device

The invention provides a scenic area building group air source heat pump unit-oriented operation scheduling method and device, and can be applied to the technical field of energy management and control systems. The operation scheduling method comprises the steps that air source heat pump unit information of a target scenic area, building group information and environment information of the target scenic area are acquired; generating output electric energy information of the photovoltaic power generation system according to the solar radiation intensity and a predetermined photoelectric conversion coefficient; based on the air source heat pump unit information of the target scenic area, the building group information, the environment information of the target scenic area and the output electric energy information, a target energy center model, a target operation scheduling model and a target thermodynamic model are used for calculation to obtain all target operation state parameters of all devices; and scheduling each device to operate according to each target operation state parameter, so that the power demand proposed by the target scenic area to the power distribution network is minimum under the condition that the cold island effect among the devices is inhibited.
Owner:ELECTRIC POWER SCI & RES INST OF STATE GRID TIANJIN ELECTRIC POWER CO +2

Noise reduction device for air source heat pump unit

The utility model discloses a noise reduction device for an air source heat pump unit, which belongs to the technical field of air source heat pump units and is characterized in that effective dispersion is carried out through a breathable mesh plate, primary noise reduction treatment is carried out on airflow through a noise reduction plate, and low-frequency noise reduction treatment is carried out on noise in the airflow again through low-frequency sound-absorbing cotton. The noise reduction device for the air source heat pump unit comprises a unit body, a condenser is arranged on the unit body, air guide barrels with cooling fans are symmetrically arranged at the top of the unit body, a cooling air barrel is installed at the top of the unit body, an air guide cavity is formed in the cooling air barrel, and a ventilation mesh plate is installed at the middle section of the air guide cavity. A noise reduction plate is installed on the inner side edge of the heat dissipation air cylinder and corresponds to the position between the two breathable mesh plates, an air outlet is formed in one end of the air guide cavity, and a plurality of pieces of low-frequency sound absorption cotton are installed at the position, corresponding to the air outlet, of the heat dissipation air cylinder.
Owner:HAINING PUJIN NEW ENERGY TECH CO LTD

Composite joint control method based on variable frequency air source heat pump system

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.
Owner:NANCHANG UNIV

Air source heat pump system and method of use for industrial steam generation

A system for generating steam for industrial heat. The system may include a plurality of heat pump cycles in thermal communication with each other and in thermal communication with a steam generation cycle. The plurality of heat pump cycles may include first and second heat pump cycles. The first heat pump circulates a first a working fluid and includes a first heat exchanger. The second heat pump cycle circulates a second working fluid and includes a second heat exchanger. The first heat exchanger transfers heat from the first to the second working fluid. The second heat exchanger transfers heat to a third working fluid in the steam generation cycle.
Owner:ATMOSZERO INC +1

Full-direct-current variable-frequency air source heat pump

The invention discloses a full-direct-current variable-frequency air source heat pump, and relates to the technical field of air source heat pumps, by using a dust cleaning assembly, the full-direct-current variable-frequency air source heat pump comprises a heat pump main body and an evaporator, and the dust cleaning assembly used for cleaning dust attached to the evaporator is arranged in the heat pump main body; a protection recycling assembly used for absorbing leaked refrigerants in a sealed mode is arranged in the heat pump body, a dust cleaning assembly is used, a bidirectional motor rotates to make a sliding block reciprocate left and right, an automatic pressure regulating pump pumps gas in the heat pump body and conveys the gas into a multi-layer telescopic pipe, and the gas is sprayed to an evaporator through a gas spraying head; compared with a traditional method that the evaporator is cleaned through a brush, the device automatically blows off the dust on the surface of the evaporator through air jet of the air jet heads reciprocating left and right, and the dust on the outer side of the whole evaporator is removed through the two air jet pipes. Airflow blows dust, so that damage to fins on the surface of the evaporator by cleaning tools such as brushes and rags is avoided.
Owner:南京三尼电器设备有限公司

Geological battery energy storage system and operation method thereof

The invention discloses a geological battery energy storage system and an operation method. The system comprises a medium and low temperature heat storage module, a high temperature heat storage module and a heat engine circulation module. In the heat storage process, low-grade waste heat can be pumped to the medium temperature to be stored in the medium-low temperature heat storage well, or a solar heat collector, an air source heat pump and the like are used for conveying medium-low temperature heat sources to be stored in the medium-temperature heat storage well. In the charging process, a heat source of the medium-low temperature heat storage module is upgraded and stored in a high-temperature heat storage well by using electric power to drive heat pump circulation; in the discharging process, heat engine circulation is adopted to convert stored high-grade heat energy into electric energy. According to the invention, multiple types of underground spaces can be fully utilized to promote new energy consumption, the stability of a power grid is improved, and meanwhile, concealment and safety are achieved.
Owner:YUNLONG LAKE LAB OF DEEP UNDERGROUND SCI & ENG

Machining method for efficient defrosting fin type heat exchanger of air source heat pump

The invention discloses a machining method for an efficient defrosting fin heat exchanger of an air source heat pump. The machining method comprises the following steps that a machining system for the efficient defrosting fin heat exchanger of the air source heat pump is constructed; performing surface treatment on the fin type heat exchanger; preparing a hydrophobic coating on the surface of the fin heat exchanger; and a hydrophilic and hydrophobic spacing layer is arranged, and super-lubrication treatment is carried out. According to the technical scheme, the defrosting fins of the air source heat pump are subjected to surface coating machining, the hydrophilic and hydrophobic spacing layer is arranged on the surface of the fin heat exchanger, the super-lubricating solution covers the surface of the fin heat exchanger, and therefore the passive frost restraining performance of the heat exchanger is improved, and the defrosting duration of the heat exchanger is shortened; the air source heat pump defrosting fin surface coating machining process is safe, reliable, efficient and stable.
Owner:ZHEJIANG BAIMA LAKE LABORATORY CO LTD

Multi-energy complementary heating system and method suitable for dwellings in Tibet region

The invention provides a multi-energy complementary heating system suitable for dwellings in Tibet regions, and relates to the technical field of building energy conservation and renewable energy utilization. The multi-energy complementary heating system suitable for the folk houses in the Tibet region comprises a solar heat collector, a phase change energy storage wall, a heat storage water tank, an outdoor air source heat pump unit and a tail end fan coil. The solar heat collector collects heat to provide heat for heating when the solar radiation intensity is high. When the solar radiation intensity is low or in cloudy and rainy days, the air source heat pump unit serves as an auxiliary heat source to absorb heat from outside air for indoor heating; the phase change energy storage wall can store redundant heat and release the heat at night or at low temperature, so that all-weather heating is ensured; when the system is in a non-working state in a cold environment, the water pump is started, so that a circulating medium in a pipeline keeps flowing slowly, and freezing is avoided; the special climate and building structure of Tibet are fully considered, the heating efficiency is improved, and the stability and economical efficiency of the system are enhanced.
Owner:NANJING TECH UNIV

Air source heat pump unit with ash removal function

The invention provides an air source heat pump unit with a dust removal function, and relates to the technical field of heat pumps, the air source heat pump unit comprises a heat pump rack, a heat pump mechanism facilitating low-temperature heat transfer is arranged on the heat pump rack, and a cleaning mechanism facilitating dust removal cleaning is arranged on the heat pump rack; the heat pump mechanism comprises an air inlet and outlet pipe, a compressor, a condenser, a central control machine and an evaporator. The cleaning mechanism comprises a driving power source, a lower fixing plate, a concentric-square-shaped frame, a dust collecting box, a C-shaped rod and an ash guide pipe. According to the device, the C-shaped rod is arranged to be matched with the cleaning brush, when fins on the evaporator are cleaned, the evaporator does not need to be manually cleaned after being dismounted, the dismounting of the evaporator from shutdown and dismounting to subsequent mounting and debugging consumes more manpower and material resources, the cleaning work can be rapidly completed through the cleaning brush on the C-shaped rod, and the cleaning efficiency is improved. The downtime is shortened, the production efficiency is improved, the evaporator does not need to be disassembled, and the labor consumption is reduced.
Owner:BAOJI BEIRAN JUZHONG ENERGY SERVICE CO LTD

Photovoltaic photo-thermal energy storage heat pump system and method

The invention discloses a photovoltaic photo-thermal energy storage heat pump system and method.The system comprises a photovoltaic photo-thermal assembly, the electric quantity output end of the photovoltaic photo-thermal assembly is connected with an energy storage assembly, an air source heat pump machine and a demand module, and the demand module is connected with a power grid; the air outlet end of the photovoltaic photo-thermal assembly is connected with the first air inlet end of the air source heat pump machine, and the second air inlet end of the air source heat pump machine is used for introducing demand module waste gas; the water outlet end of the photovoltaic photo-thermal assembly is connected with the first water inlet end of the energy storage water tank, and the first water outlet end of the energy storage water tank is connected with the water inlet end of the photovoltaic photo-thermal assembly; the water outlet end of the air source heat pump machine is connected with the second water inlet end of the energy storage water tank, and the second water outlet end of the energy storage water tank is connected with the water inlet end of the air source heat pump machine. The air conditioner has the advantages that the ultralow-temperature refrigerating capacity is improved, electricity is saved, carbon emission is low, universality is high, the structure is simple, and efficiency is high.
Owner:GUANGZHOU INST OF ENERGY CONVERSION CHINESE ACAD OF SCI

Air source heat pump water cooling and heating device

ActiveCN222165212Uavoid damageAvoid circulation problems inside the control enclosureDispersed particle filtrationTransportation and packagingWater coolingPhysics
The utility model relates to the technical field of air source heat pumps, and discloses an air source heat pump water cooling and heating device which comprises a control shell, a lower installation box is installed on the lower portion of the control shell, a side limiting sleeve is fixedly connected to one side of the front end of the control shell, and an evaporator installation outer sleeve is movably connected to the inner side of the side limiting sleeve in a sleeved mode. A limiting clamping sleeve is fixedly connected to the inner side of the evaporator mounting outer sleeve, a first circulation pipe is connected to the inner side of the limiting clamping sleeve in a sleeved mode, and second circulation pipes are fixedly connected to the two ends of the first circulation pipe. According to the air source heat pump cold and water heater, the evaporator mounting outer sleeve is arranged on the inner side of the side limiting sleeve in an upper sleeving mode, meanwhile, the front end of the control shell is sleeved with the upper cover plate, the upper cover plate drives the front filter screen to be connected to the front end of the control shell in a sleeving mode, and in other words, the upper cover plate limits the position of the evaporator mounting outer sleeve; the front filter screen protects the front end of the evaporator mounting outer sleeve, and the problem that impurities at the front end circulate into the control shell is avoided.
Owner:GUANGZHOU TIANCHI HUAYU NEW ENERGY TECH CO LTD

Testing device of air source heat pump cooling and heating unit

The invention belongs to the technical field of testing, particularly relates to a testing device for an air source heat pump cooling and heating unit, and aims to solve the problems that in the prior art, in the testing process of the air source heat pump unit, manual carrying is needed, the efficiency is low, potential safety hazards are prominent, equipment damage is easily caused, and the final testing effect is affected. The device comprises a test box and supporting legs arranged at four corners of the bottom of the test box, and monitoring equipment is arranged on one side in the test box; the cabinet door is arranged on one side of the test box, and an observation window is arranged on one side of the cabinet door; the control panel is arranged on one side of the test box; the transmission mechanism is arranged in the test box; the feeding mechanism is arranged in the test box; in actual operation, the air source heat pump cooling and heating unit can be automatically transmitted into the test box, and the accuracy of test data and the practicability of the device are remarkably improved.
Owner:BEIJING AIJIA SUNSHINE TECH DEV CO LTD

Air source heat pump control method and system based on deep learning

The invention relates to the technical field of solar heat pumps, in particular to an air source heat pump control method and system based on deep learning. Comprising the following steps that S1, the liquid working medium temperature of a solar heat storage tank is obtained through a temperature sensor, the solar radiation intensity is obtained through a sensor, and auxiliary management of the air source heat pump is judged according to the liquid working medium temperature of the solar heat storage tank and the solar radiation intensity; and S2, relevant data of the solar heat storage tank are obtained, an adjustment value is obtained by using an adjustment processing formula according to the relevant data, and the liquid working medium in the solar heat storage tank is heated by using an air source heat pump according to the adjustment value. By combining the advantages of the solar photo-thermal system and the air source heat pump, stable heat supply under various environmental conditions is guaranteed, the liquid working medium in the heat storage tank is heated according to a parameter adjustment formula, and breeding of pathogenic microorganisms is eradicated.
Owner:SHANDONG HETONG INFORMATION TECH CO LTD