1629 results about "Business efficiency" patented technology

The Electric Power Converter has the qualifications for an uninterruptable power supply, battery management, energy conversion, micro-grid formation, Power Factor Correction including Total Harmonic Distortion correction in real time. Uninterruptable power supply's use is for always-on, real-time, all-time, reduced distortion with functions of load reduction and management during peak load events. The Electric Power Converter as well has the ability to provide maintenance for most types of batteries including charging and discharge regiments to increase the overall lifetime of a battery, the maintenance, incorporating restorative functions that can refurbish dead batteries or can further increase the overall efficiency and useful function of weaker / aged / defective batteries. Energy conversion capabilities allow for the conversion of AC or DC to AC or DC with high efficiency and ability to actively vary the frequency in accordance to the required parameters. The Electric Power Converter is able to establish and sustain a micro-grid with multiple and varying sources of power generation and load conditions. The Electric Power Converter is achieving dynamic, real-time, interactive Power Factor Correction (PFC) function with advanced voltage harmonic distortion correction with a high efficiency ratio. The Electric Power converter is designed to function with the emerging Smart Grid technologies and provide an overall higher level of operating efficiency and higher quality of electrical power.

A method and system can provide building energy performance metrics that can help identify specific zones within a building which may have energy efficiency problems. The method and system can collect data from: indoor temperature sensors and humidity sensors present in each zone of a building; one or more temperature sensors and humidity sensors present outside of the building; one or more utility meters; and one or more HVAC devices. This data from the sensors can be aggregated and formed into a first profile. The energy efficiency calculation system can analyze the first profile to provide various energy performance metrics which can include, but are not limited to, energy efficiency ratios for air conditioners, the R-value or thermal resistance of the building, an amount of heat loss for the building, energy consumption by the building, current HVAC performance parameters, and utility usage comparisons.

In an analysis system having an analysis apparatus using a reagent container having a memory to store reagent information concerning the reagent in the reagent container and a remote computer, the following steps are executed: reading out the reagent information from the memory of the reagent container; judging, based on the read reagent information, whether or not the reagent in the reagent container is usable; when it is judged that the reagent in the reagent container is unusable, writing data representing the reagent is unusable into the memory of the reagent container; and when it is judged that the reagent in the reagent container is unusable, registering the data representing the reagent is unusable, into a reagent database managed by the remote computer in association with identification information to identify the reagent container. Thus, it is possible to automatically identify the reagent, which should not be used, and to manage the reagent not so as to use it for the analysis. In addition, it is possible to use the data for the enhancement of the business efficiency such as the automatic order of the reagent, the stock management in the manufacturer and the like.

The invention provides a method and a device for controlling an outdoor fan of an air conditioner. The method and the device have the advantages that after a user turns on the air conditioner, the outdoor fan is started to run at a corresponding rotational speed gear selected according to the temperature of an outdoor environment under the control, the rotational speed of the outdoor fan is controlled after the fan runs for a preset period of time and is regulated and switched over according to the real-time temperature of the outdoor environment and real-time running power of an outdoor unit of the air conditioner or on the basis of real-time running frequency of a compressor, and the outdoor fan runs at a selected corresponding rotational speed gear, so that the pressure of a system constantly keeps within a relatively ideal range, a phenomenon of excessively low temperature or excessive refrigerants due to the fact that an existing outdoor fan continuously keeps carrying out intensive heat exchange while load of working space of an air conditioner is reduced can be prevented, and an energy efficiency ratio of the air conditioner can be increased; the outdoor fan does not need to constantly run at a full speed, so that the service life of the outdoor fan can be prolonged, noise generated by the outdoor unit of the integral air conditioner can be effectively reduced, and a quite and comfortable living environment can be created for the user.

The present invention relates to improvements of member management and business efficiency so that order information received through a customer's wired or wireless telephone can be used to write an order slip and then output through a print output unit while being displayed on a LCD screen window.

The invention discloses a modular multi-connection control method and system. The control method comprises the following steps: determining the auxiliary engine capability requirement according to the total capability requirement of an indoor machine set and the best load point of a main engine; calculating the total number of the auxiliary engine compressors required to be input for the operation of the system according to the output capability of a single auxiliary engine compressor; and distributing the total number of the auxiliary engine compressors required to be input for the operationon average to each auxiliary engine, and distributing the parts which can not be distributed on average in each auxiliary engine one by one. According to the invention, through calculating the numberof the compressors required to be operated, the capability output of an outdoor machine set is basically and uniformly distributed to the main engine and each auxiliary engine of the outdoor machine set, the main engine and parts of auxiliary engine compressors are prevented from operating for a long time, the service life of each compressor of the whole machine set is prolonged, and the load energy efficiency ratio of the system part is improved greatly.

The invention discloses a hot air drying system heated by double energy sources, which comprises a heating chamber with a fresh air opening, a drying chamber, a solar heating device, an air source heat pump and a condenser fan of the air source heat pump, wherein the upper part of the heating chamber or the drying chamber is provided with a dehumidifying opening; a condenser and the condenser fan of the air source heat pump are arranged in the heating chamber; a hot water heat exchanger of the solar heating device is arranged at the front end of an air inlet of the condenser in the heating chamber; the condenser fan supplies air in an induced draft way; the ratio of the heat exchange area of the condenser to the input power of a compressor is 5.3 to 11 m<2> / kw; the ratio of the heat exchange area of the hot water heat exchanger to the input power of the compressor is not less than 1.5 m<2> / kw; and the total pressure of the condenser fan is 100 to 400 Pa. The hot air drying system heated by the double energy sources makes full use of solar energy as a hot air heat source for drying, solves the problems of the independent use of the solar energy, achieves high energy efficiency ratio by adopting the air heat pump as the hot air heat source, is energy-saving, environmentally-friendly and low in running cost, and manifests the advantages of the combined use of the air source and the solar energy in oven-drying.

The invention belongs to the technical field of hydrophilic coatings and discloses a coating composition for hydrophilic treatment of an air-conditioning parallel flow heat exchanger. The coating composition comprises a coating A and a coating B, wherein the coating A is an inorganic system A-1 which takes inorganic substances as main components or an organic system A-2 which takes organic substances as main components; the coating B is an inorganic system B-1 which takes inorganic substances as main components or an organic system B-2 which takes organic substances as main components. The coating A and the coating B are sequentially coated on the surface of a heat exchanger workpiece in a dip-coating, curtain coating or spraying mode and are sequentially roasted and cured, the heat exchanger can be endowed with lasting hydrophilcity, the formed coating is excellent in hydrophilic performance, high in adhesive force, permanent and effective; the coating is high in corrosion resistance, and the service life of the heat exchanger can be greatly prolonged; the coating is excellent and lasting in hydrophilic performance and high in adhesive force, and the energy efficiency ratio of the heat exchanger can be improved.

This invention refers to a air cooling frequency change refrigerator and control method, which contains refrigeration system, casing and control system which makes the refrigerator operation in maximum refrigerating mode, maximum energy efficiency ratio mode and most power saving mode according to the demand in different refrigeration stage by collecting and judging the information of temperature difference and temperature reducing rate.

The invention relates to an interior decoration situational experience scene providing method and system. The method comprises the steps that modeling parameters of all building components of a building are extracted from a two-dimensional or three-dimensional building floor plan, or parameters of positions and three-dimensional sizes of all the building components are extracted from the three-dimensional building floor plan; a three-dimensional interior model is built according to the modeling parameters extracted from the two-dimensional building floor plan and the preset heights of all the building components, or the three-dimensional interior model is built according to the modeling parameters extracted from the three-dimensional building floor plan; input building component setup parameters are detected and applied to the three-dimensional interior model to build and display a corresponding three-dimensional situational experience scene, the building components or other decoration components which need to be attached and arranged are determined according to the preset position parameters of the selected decoration components, and arrangements are correspondingly achieved in the three-dimensional situational experience scene; interior decoration experience is rapidly and efficiently achieved, and the business efficiency is promoted.

The invention discloses a dual heat-source heat-pump hot water device with an extremely simple refrigerating loop. The device is characterized by mainly comprising a compressor, a hot water condenser, a wind heat exchanger, a water heat exchanger, a four-way valve, a bidirectional throttle and the like, wherein a high pressure inlet of the four-way valve is connected with the outlet of the hot water condenser, and the other three ports thereof are connected with air inlets of the wind heat exchanger, the water heat exchanger and the compressor respectively; other ports of the wind heat exchanger and the water heat exchanger are connected with the bidirectional throttle; the exhaust port of the compressor is connected with the inlet of the hot water condenser, and is connected with high pressure air inlet of an electromagnetic pilot valve of the four-way valve; four functions of manufacturing hot water by utilizing water source or air energy and providing air-conditioning cool water by utilizing air-cooling or heating water can be realized by only switching the four-way valve, defrosting can be performed completely and quickly; and a water pre-heater is added to the device to reclaim the heat of waste hot water. The heat pump has the advantages of dual heat sources compensation and wide application range, has multiple functions, extremely simple structure, extremely convenient switching and over 5 of annual comprehensive energy efficiency ratio, and has great popularization value.

The invention discloses a central air-conditioning self-optimization intelligent fuzzy control device and a control method thereof. Technological parameters and indoor and outdoor environmental parameters of all control points of a central air-conditioning system are collected, running efficiency of a circulating system and control ends are tracked in real time according to actual load capacity of the system and end cold and hot source requirements, operation cycle of a main machine is optimized and adjusted, operation energy efficiency of each link of the system is comprehensively controlled, so that the system can always run under working conditions of high energy efficiency ratio. Meanwhile, process data, energy consumption data and equipment running data of the central air-conditioning system are summarized to form an intelligent control base, technical process such as analysis and operation is performed through the a central air-conditioning self-optimization intelligent fuzzy controller, new control strategies are generated, on-line upgrading control algorithm and energy-saving potential mining are achieved, energy consumption of the system is optimized, the operation is simplified, so that the operating efficiency of each device of the system is adjusted, and the aims of high efficiency, energy saving and intelligent control are achieved.

The invention relates to the field of heating ventilation air conditioners, in particular to an improved air treatment method and a fresh air conditioner device. The invention improves the problems of traditional fresh air treatment and air conditioners and particularly emphasizes that a plate-type air-air heat exchanger and indirect water evaporative cooling are used for recycling energy of sensible heat and latent heat in air exhaust in the fresh air treatment process of damp and hot regions in summer and condensed water is directly evaporated on an evaporator to improve the working condition of a compressor. Under the condition of quantificationally supplying outdoor fresh air, the energy efficiency ratio of the fresh air conditioner is increased, the thermal pollution, damp pollution and noise pollution of the fresh air conditioner to environments are reduced, the indoor air quality is improved, and meanwhile, the fresh air conditioner provides the manufacture, installation and using convenience for a local region all-air central air conditioner. The fresh air conditioner provided by the invention and a design and manufacture method of the fresh air conditioner are applicable throughout the year in various regions, particularly in the damp and hot regions; and the fresh air system provides controlled, comfortable and healthy air environments for indoor activity space of people and air conditioner environments for technology for processing, storage and the like.

The invention relates to a total run-out comprehensive measuring instrument, comprising a base part, a head frame part, a measuring slide plate mechanism, a measuring device, an axial measuring position changing mechanism, a radial measuring position changing mechanism, a control circuit and a computer. The right and the left ends on a base are respectively provided with the head frame part and a right tip device; the measuring slide plate mechanism capable of transversely moving is mounted on the middle of the base; a measuring slide plate transmission mechanism is mounted between the measuring slide plate mechanism and the base part; a measuring device is mounted on the measuring slide plate mechanism; the axial and radial measuring position changing mechanism is arranged on the measuring device; the sensing signal output terminal of the measuring device is sequentially connected with the control circuit, the computer and a stepping motor driving circuit; and the output terminal of the stepping motor driving circuit is connected with a head frame driving motor and a slide plate driving motor. The total run-out comprehensive measuring instrument combines mechanical control, data collection and data processing into a whole, and realizes automatic data collection and processing of shaft parts through computer control automation, thereby having convenient operation and control and higher energy efficiency ratio.

The invention discloses a method for controlling the rotating speed of an outer fan of a multi-split air conditioner. The initial rotating speed after the fan is started is determined according to the outdoor environment temperature; in the refrigerating process, the higher the outdoor environment temperature is, the higher the initial rotating speed of the outer fan is; in the heating process, the higher the outdoor environment temperature is, the lower the initial rotating speed of the outer fan is; in the refrigerating process of the air conditioner, the rotating speed of the outer fan is regulated by detecting the high pressure; a high pressure target value is set according to the outdoor environment temperature; the higher the outdoor environment temperature is, the higher the high pressure target value is; and in the heating process of the air conditioner, the rotating speed of the outer fan is regulated by detection the low pressure. According to the invention, the target pressure range is set according to the outdoor environment temperature, so that the control is more reasonable and the reliability and the energy efficiency ratio of a system are improved.

The invention discloses a photonic neural network convolutional layer chip based on a micro-ring resonator. The chip is universal to all deep learning technologies including convolutional calculation.According to the chip, vectorized to-be-calculated signals are loaded on different optical wavelengths by means of a wavelength division multiplexing mode. The micro-ring resonator and a balance photoelectric detector form a weight matrix, convolutional calculation of the to-be-calculated signals and the weight matrix can be completed, and a convolutional result is output. By utilizing the tunability of the integrated micro-ring resonator, the convolutional calculation of any numerical value can be realized. In addition, the speed of the convolutional calculation is increased to a constant level (that is, the speed of light) by using light as a numerical calculation medium, and the advantage of a higher energy efficiency ratio is achieved.

The invention provides a low-condensing-pressure deep supercooling efficient dehumidifier. The low-condensing-pressure deep supercooling efficient dehumidifier comprises an air flue, a first draught fan and a refrigerating and dehumidifying system. The refrigerating and dehumidifying system comprises an evaporator, a first condenser, a second condenser, a compressor and a throttling device. According to the low-condensing-pressure deep supercooling efficient dehumidifier, a bypass airflow channel is additionally arranged in the air flue between the first condenser and the second condenser, so that the ventilation quantity of the first condenser is increased, and the condensing pressure of refrigerating fluid gas in the condensers is reduced; the first condenser is used for heat release and cooling of a sensible heat portion of the overheated refrigerating fluid gas and heat release, condensation and liquefaction of the refrigerating fluid gas, and the second condenser is used for cooling and supercooling of refrigerating fluid; since a finned thermal bridge between the first condenser and the second condenser is disconnected, the supercooling degree of the refrigerating fluid at the tail end of the second condenser is improved, the vaporization ratio of the refrigerating fluid in the throttling device can be lowered, the evaporation and heat absorption capacity of the refrigerating fluid in the evaporator is improved, and the energy efficiency ratio of the dehumidifier is increased substantially.

A system and method for creating and executing a business model for domain specific decisions to compare possible alternative business solutions to maximize results is provided. A domain-specific return on investment (ROI) or financial measurements model and a calculator for buying and selling information technology based solutions targeted at improving overall business efficiency and effectiveness. This may include, for example, reducing lead time, improving probability of success, creating an innovative environment, enhancing corporate image, reducing cost and improving revenues, or the like. These business objectives may be connected to the capabilities provided by vendor solutions which might be based on technology, process, people, science, or the like, typically through concrete initiatives. Alternative solution components may be quantified and used to calculate financial impacts for various solution choices.

The invention relates to a method and device for predicting the energy efficiency ratio of a refrigeration main machine of a central air-conditioning system. The method comprises the steps: S1, acquiring historical data of operating parameters of the central air-conditioning system; S2, processing the acquired historical data of the operating parameters of the central air-conditioning system to acquire effective historical data of the operating parameters, and setting cultivation parameters of a BP neural network cultivation model; S3, substituting the effective historical data of the operating parameter into the set BP neural network cultivation model to train to acquire a corresponding relational expression of the operating parameters of the central air-conditioning system and the energy efficiency ratio of the refrigeration main machine; S4, acquiring the operating parameters of the central air-conditioning system at the time T0 and substituting the operating parameters into the corresponding relation expression to obtain the energy efficiency ratio of the refrigeration main machine of the central air-conditioning system at the time T0. The energy efficiency ratio of the refrigeration main machine of the central air-conditioning system is predicted in advance, so that waste of energy consumption can be effectively avoided, the service life of the refrigeration main machine is prolonged and the indoor heat comfortability is improved.

The invention discloses a fuel cell whole vehicle thermal management system, which is characterized by comprising a power electronic cooling system, a fuel cell cooling system, a power cell thermal management system and an air conditioning system. One side of the thermoelectric conversion device and the power battery thermal management system form a power battery coolant circuit, and the other side is connected in series with the coolant circuit of the power electronic cooling system; The thermoelectric device is arranged in the air conditioning system and is in contact with the coolant flowing out of the air conditioning compressor of the air conditioning system and the coolant flowing through the cab evaporator or the battery refrigeration exchanger, respectively. The whole heat management system of the fuel cell vehicle integrates different heat management subsystems of the whole vehicle and realizes cooling of the power electronic system by using the semiconductor material throughheat conversion mode; the whole heat management system of the fuel cell vehicle integrates different heat management subsystems of the whole vehicle. In the same way, the regenerative effect of the air conditioning system is realized, the liquid impact phenomenon of the air conditioning compressor is avoided, and the energy efficiency ratio and the service life of the air conditioning system are improved.

The invention relates to the field of internet communication and discloses a method for distributing data center load and saving energy during virtual machine migration. The method comprises the following steps of generating an overload server list, according to the sequence that the utilization rate of optimally required resources is increased, forming an ordered list of virtual machines to be migrated, and migrating the virtual machines in the ordered list of virtual machines to be migrated to a target server; and selecting the server sm which is in an under-load state and is lowest in energy efficiency ratio, pre-distributing all the virtual machines onto the other servers by using a load distribution policy of energy efficiency perception, if pre-distribution is successful, migrating all the virtual machines on the server, and searching whether the server sm meeting condition exists or not again, and otherwise, not migrating the virtual machines and concluding an under-load server virtual machine distribution stage. According to the method provided by the invention, the low-energy-consumption load distribution and virtual machine migration can be realized, and the use ratio of a server in a data center is effectively improved.

The invention provides a control method for an electronic expansion valve. When the outdoor environment temperature(Tho-A)is larger than or equal to 43 DEG C, opening of the electronic expansion valve is determined according to frequency change of a compressor. When the outdoor environment temperature(Tho-A)is smaller than 43 DEG C, the temperature is divided into different sections, and linear calculation curves of different target exhaust superheat degrees are set for each section; after the target exhaust superheat degrees and actual exhaust superheat degrees are obtained, fuzzy control is conducted, and then the opening transformation quantity of the electronic expansion valve is obtained. According to the section control method, fuzzy control is used, and different temperature ranges correspond to the calculation curves of the different exhaust superheat degrees, so that precise and optimal control is achieved. In addition, in combination with feedforward control technology, the reply efficiency of the electronic expansion valve is improved; accordingly, all air conditioner systems running in the different temperature ranges can run smoothly, and vibration is completely avoided. The control method has the advantages of being high in energy efficiency ratio, good in low-temperature heating effect, and the like.

The invention relates to a system for monitoring energy efficiency ratio of operation of a water cooler set and a monitoring method thereof. The system comprises a controller for monitoring the energy efficiency ratio of operation of the water cooler set, a local monitoring computer, a remote monitoring computer and a frozen water supply temperature sensor of a cold supply pipe network, a frozen water return temperature sensor of the cold supply pipe network, a frozen water flowmeter of the cold supply network and a power sensor of a refrigeration compressor which are correspondingly connected with the water cooler set; the frozen water supply temperature sensor of the cold supply pipe network, the frozen water return temperature sensor of the cold supply pipe network, the frozen water flowmeter of the cold supply network and the power sensor of the refrigeration compressor are connected with the controller for monitoring the energy efficiency ratio of operation of the water cooler set respectively; and the local monitoring computer and the remote monitoring computer are connected with a signal of the controller for monitoring the energy efficiency ratio of operation of the water cooler set through a convertor I and a convertor II respectively. The system is suitable for the water cooler set of a central air conditioning system using electric power as primary drive energy; and the measured energy efficiency ratio of operation of the water cooler set is suitable for supervising daily energy-saving operation of the water cooler set.

A liquid filter with a composite medium that has a nanoweb adjacent to and optionally bonded to a microporous membrane. The membrane is characterized by an LRV value of 3.7 at a rated particle size, and the nanoweb has a fractional filtration efficiency of greater than 0.95 at the rated particle size of the membrane. The nanoweb also has a thickness efficiency ratio of greater than 0.01 at that efficiency. The nanoweb acts to provide depth filtration to the membrane, prefilters particles and extends the lifetime of the membrane.

The invention discloses an air conditioner control method and device and a computer readable storage medium. The air conditioner control method comprises the following steps that cooling / heating capacity required by an indoor space is periodically acquired; target operating parameters of an air conditioner are acquired according to the required cooling / heating capacity and a preset neural networkmodel, and the neural network model is trained and generated according to sample data in a sample database; and the air conditioner is controlled to operate according to the target operating parameters, wherein on the premise that the cooling / heating capacity is reached, the energy efficiency ratio of the air conditioner operating at the target operating parameters is greater than those corresponding to other operating parameters. The method has the advantages of reducing energy consumption and prolonging the service life of the air conditioner.

The invention discloses a control method of an electronic expansion valve of an air conditioner. The control method includes the steps that after a compressor is started to run, the actual running frequency of the compressor is acquired and compared with set running frequency; if the actual running frequency is smaller than the set running frequency, the opening degree of the electronic expansion valve is controlled be to an initial opening degree; if the actual running frequency is not smaller than the set running frequency, the control process of a regulating valve is executed in the initial running stage; after the running time during which the compressor is started to run is equal to set initial running time, the control process of the PID regulating valve is executed; and with the difference value between the actual exhaust temperature and the target exhaust temperature of the compressor as deviation, the PID control process is performed on the opening degree of the electronic expansion valve based on the deviation. By means of the control method, the opening degree of the electronic expansion valve can be dynamically, fast and accurately regulated, and the energy efficiency ratio of an air conditioner refrigerant circulating system is increased.

The invention discloses an air-cooling thermotube-type machine room air-conditioning system which comprises a compressor, a first air cooling condenser, a throttling set, an evaporative condenser, a liquid storage tank, a flow balance valve, a tail end heat exchanger, a bubble pump, a first refrigerant changeover valve, a second refrigerant changeover valve and a second air cooling condenser, wherein the high-pressure exhaust port of the compressor is orderly connected with the first air cooling condenser, the throttling set, the evaporation side of the evaporative condenser, and the low-pressure air suction inlet of the compressor, thereby forming a compression refrigerating cycle loop; the condensing side outlet of the evaporative condenser is orderly connected with the liquid storage tank, the flow balance valve, the tail end heat exchanger, the bubble pump, the first refrigerant changeover valve, and the condensing side inlet of the evaporative condenser; and the outlet of the tail end heat exchanger is orderly connected with the second refrigerant changeover valve, the second air cooling condenser, and the inlet of the liquid storage tank, thereby forming a thermotube refrigerating cycle loop. The system has the advantages of small temperature difference and high energy efficiency ratio during heat exchange.

The invention relates to a GPON GTC framing sub-layer based on FPGA. In the GPON GTC framing sub-layer, a data flow of a GTC framing sub-layer is divided into two paths of uplink and downlink to be treated. The downlink data flow is sent to an ONU by an OLT and is sent to an adaptation layer after the de-framing treatment by a TC layer. In the uplink flow, information required by users is sent to the OLT after the framing treatment of the TC layer in the ONU. The data treatment process is realized in FPGA. The GPON GTC framing sub-layer which has high IP business efficiency and strong TDM business bearing capacity, is based on FPGA, and can provide wider bandwidth for users is provided.

The invention discloses a household air source heat pump heating system in cold area and a device thereof, and relates to a heat pump system which uses the air source for running steadily under the low-temperature environment and supplying the interior with the needed heat and healthy hot water and a device thereof. The device comprises parts such as a low pressure frequency compressor, a high pressure compressor, an outdoor heat exchanger, a flash evaporator, a reservoir, a defrosting coil, a flash gas overheating coil, a compressor heat radiating recovery coil, a low pressure air supply pressurization line, a sub-thermal converter, a multi-head efficient spiral heat exchanger, a thermal expansion valve, and the like, which are connected by a pipeline. The invention is characterized in that the system comprises a flash evaporator component, a flash gas overheating coil, a compressor heat radiating recovery coil, and a low pressure air supply pressurization line. When in heat operation under low-temperature working condition, based on the two-stage compression cycle which is incompletely cooled between two stages of throttles, the invention uses the flash gas overheating coil, the compressor heat radiating recovery coil, and the low pressure air supply pressurization line for recovering the heat radiating capacity of a compressor, realizes the overheating of the flash gaseous working substance, enhances the gas transmission capacity of the compressor, and further improves the heat and the energy efficiency ratio of a heat pump system. Meanwhile, the defrosting coil is added to the bottom part of the heat exchanger device, so the frosting problem of the outdoor heat exchanger of the heat pump is solved. The invention can realize the mutual switch among a single heating operating mode in winter, a heating and healthy hot water united operating mode in winter, and a healthy hot water single operating mode during a non-heating period.