68results about How to "To achieve the purpose of refrigeration" patented technology

The invention discloses an intelligent electrical equipment environment monitoring system based on cloud computing and big data analysis. The system comprises a cloud server, an intelligent master control device, monitoring devices and communication equipment communicating with the cloud server, wherein the monitoring devices are used for acquiring related data of an electrical equipment environment and transmitting the data to the intelligent master control device; the intelligent master control device is used for controlling the monitoring devices and transmitting the data received from the monitoring devices to the cloud server; the cloud server is used for receiving and storing the related data of the electrical equipment environment; a user accesses the cloud server through a mobile phone or a computer and then controls the master control device and the monitoring devices remotely. The system depends on cloud computing to perform big data analysis on online meteorological information, real-time data and historical data, intelligently monitors the monitoring devices of all nodes, evaluates the monitoring effectiveness, analyzes potential risks effectively and solves problems by which people are puzzled for many years about outdoor electrical equipment microenvironments, online micrometeorology monitoring, real-time intelligent control and the like.

The invention discloses a method for controlling a refrigerator. The method includes steps of acquiring set temperature of a temperature varying chamber of the refrigerator and set temperature of a refrigerating chamber; comparing the set temperature of the temperature varying chamber with the set temperature of the refrigerating chamber, closing a second air door and a fourth air door if the set temperature of the temperature varying chamber is higher than the set temperature of the refrigerating chamber, and detecting current temperature of the temperature varying chamber; and opening a first air door and a third air door to refrigerate the temperature varying chamber by the aid of a refrigerating air channel when the current temperature of the temperature varying chamber is higher than starting temperature of the temperature varying chamber. The starting temperature is not lower than the set temperature of the temperature varying chamber. According to the method of an embodiment of the invention, a temperature varying range of the temperature varying chamber is wide, the temperature varying chamber also can be used as the refrigerating chamber or a freezing chamber according to actual needs, service performances of the refrigerator are improved, and users use the refrigerator conveniently. In addition, the method has the advantages that temperature control precision and temperature regulating efficiency are high.

The invention discloses a water-cooled air conditioner. The water-cooled air conditioner comprises a high-pressure pump, a high-pressure tank, an air transmission pipe, a refrigeration water sump, a heat exchange pipe and the like, wherein the high-pressure pump adopts a low-noise high-pressure air pump in a cylinder type or other forms; the high-pressure tank adopts a double-ended arc-shaped inward concave type, so that the pressure resistance is high and the requirement on welding is low; water storage bins are formed on the protruded parts of the two ends of the high-pressure tank; an air automatic control switch is arranged on the high-pressure tank to control the start and the stop of the high-pressure pump automatically; an air inlet pipe is arranged on the upper part of the air automatic control switch; an air outlet pipe is arranged on the lower part of the air automatic control switch; high-pressure air is input into the high-pressure tank by the high-pressure pump; the principle that air generates heat under a high pressure is utilized, the heat generated by the high-pressure tank is adsorbed by the water in the water storage bins on the high-pressure tank; the high-pressure air is output by the air outlet pipe; the high-pressure air at the air outlet of the air outlet pipe expands suddenly, and the temperature of the air can drop suddenly, so that the aim of refrigerating is fulfilled; the water in the water storage bins is input from the lower end of each water storage bin and is conveyed to a cooling water tank on the high-pressure pump from the upper end of each water storage bin; and hot water is output through a valve. The improvement setting for the water-cooled air conditioner has great market potential.

A water refrigeration air conditioner comprises a high pressure pump, a high pressure tank, a gas delivery pipe and a refrigeration water chamber, wherein the high pressure pump is an air cylinder type low-noise high pressure gas pump or a low-noise high pressure gas pump in other types; the two ends of the high pressure tank are arc and indented, so that the compression resistance of the high pressure tank is high, and the welding requirement is low; the water chamber is arranged at the projecting part of the upper end of the high pressure tank; an automatic water level controller is arranged on the water chamber; an automatic gas pressure control switch for automatically controlling the on and off of the high pressure pump is arranged on the high pressure tank; a gas input pipe is arranged at the upper part of the high pressure tank; a gas output pipe is arranged at the lower part of the high pressure tank; the high pressure pump inputs high pressure gas into the high pressure tank; due to the principle of high pressure heating of the gas, the heat generated by the high pressure gas tank is absorbed by water in the water chamber on the high pressure tank; the high pressure gas is output by the output pipe; the high pressure gas expands suddenly at the gas outlet of the output pipe, and the gas temperature drops suddenly, so that the refrigeration purpose is realized. The water refrigeration air conditioner has a great market potential.

The invention relates to the field of chip packaging, in particular to a chip heat dissipation packaging structure, which comprises a substrate loaded with a working chip, a semiconductor refrigeration chip arranged on the working chip for cooling the working chip, and a micro-channel chip arranged on the semiconductor refrigeration chip for cooling the semiconductor refrigeration chip. The semiconductor refrigeration chip is arranged on the working chip, and thus, heat dissipated by the working chip can be directly and actively dissipated; the semiconductor refrigeration chip is provided withthe micro-channel chip, and the micro-channel chip is used for dissipating heat of the semiconductor refrigeration chip, so that the heat dissipation efficiency of the working chip is higher, and theheat dissipation effect is obvious; and as a thermoelectric conversion layer is also arranged between the working chip and the substrate and is used for converting heat of the working chip into electric energy and driving the semiconductor refrigeration chip or the micro-channel chip to work, an external power supply is prevented from being arranged, and energy is saved.

The invention provides an environmentally-friendly transport vehicle for fresh and live aquatic products. The environmentally-friendly transport vehicle comprises a carriage, a solar cooling system isarranged on the carriage, the carriage is internally provided with keep-alive boxes with a water cycle device, and a solar power system used for power supply is provided; the water cycle device comprises a water pump, a water inlet of the water pump is communicated with the keep-alive boxes, a water outlet of the water pump is connected with a filtering and sterilization box, the filtering and sterilization box is connected with a cool-heat-exchanger through a foam separation device, the cool-heat-exchanger is communicated with the keep-alive boxes, and the water pump is connected with a controller. According to an inner-box environment monitoring system of the transport vehicle, optical fiber sensors are applied to measurement of oxygen, the temperatures and ammonia-nitrogen in water inan aquatic product transporting process, so that the transport environments of the aquatic products are accurately monitored in real time; according to the transport vehicle, the multiple keep-alive boxes are independently controlled, and the appropriate environments are provided for each kind of aquatic products, so that the transporting keep-alive rate of the fresh and live aquatic products is effectively improved.

The invention relates to an energy saving air condition, the air condition is made up of two groups of alloy reactor (RA, RB), (RC, RD) with different hydrogen balancing pressure, solar water heater, air condition fan plates and disks, underground heat exchanger (GS), solar heat exchanging circular pump, air condition plate and disk heat exchanging circular pump and ground heat exchanging circular pump, a hydrogen mutual flowing pipe is arranged between the two hydrogen storing alloy reactors (RA), (RB) and between the (RC), (RD), the invention uses the character of the hydrogen storing alloy hydrogen-absorb and heat discharging, and heat absorbing and hydrogen discharging through controlling the circular converting electromagnetic valve in the air condition.

The invention discloses a device for preparing dripping pills, which adopts cold-air plus cold trap cooling gas The device is provided with a dripping pill machine, a cooling pipeline sealed and communicated with the dripping pill machine and an air cooling device which is communicated with the cooling pipeline and feeds cold air into the cooling pipeline circularly. The dripping pill machine is provided with a material melting pot communicated with a pipeline of material liquor feeding device, a dripper communicated with the material melting pot and an insulating cavity arranged outside the dripper to carry out heat preservation on the dripper. The dripper is a hopper-shaped structure the upper and lower parts of which are communicated and the dripper is provided with 1 to 4 layers with the same shape from the outside to the inside. 1 to 4 material pots are also provided. A cut is formed at a lower opening of the insulating cavity corresponding to the dripper and is sealed and connected with an upper port of the cooling pipeline. The invention simplifies the operation working procedures, has no remnant organic solvent and reduces the cost for preparing dripping pills. The device has no dead angles when cleaning and is convenient for washing, thus avoiding cross contamination during the manufacture process and being beneficial to the product stabilization..

The invention discloses a parallel flow evaporator applied to an automobile air conditioner. The parallel flow evaporator comprises a front heat exchange module (1) and a rear heat exchange module (2) which are arranged in parallel; and the front heat exchange module and the rear heat exchange module are each composed of an upper evaporation chamber (3), a lower evaporation chamber (5) and multi-port flat tubes (4) connected with the upper evaporation chamber and the lower evaporation chamber. The parallel flow evaporator is characterized in that partition boards a (6) are arranged at the positions, close to the front portions, of the middles of the upper evaporation chambers (3), and partition boards b (7) are arranged at the positions, close to the rear portions, of the middles of the lower evaporation chambers (5); rear portions divided from the lower evaporation chambers (5) through the partition boards b (7) are provided with flow passing holes, and the rear portions of the lower evaporation chambers (5) of the front heat exchange module and the rear heat exchange module are communicated through the flow passing holes; front space and rear space on the front portion of each upper evaporation chamber (3) serve as an air outlet chamber and a liquid inlet chamber respectively; and the liquid inlet chambers are connected with liquid inlet pipes (8), and the air outlet chambers are connected with air outlet pipes (9). According to the parallel flow evaporator, the six-flow evaporation mode is adopted; the structure is compact, and the heat exchange efficiency is improved; and the efficient cooling aim is achieved.

The invention relates to an integrated multi-functional system, in particular to an integrated multi-functional system combining various functions of air conditioning, heating, domestic hot water and the like. The integrated multi-functional system comprises a compressor, a four-way reversing valve, an air-cooled heat exchanger, a fan system, an electronic expansion valve, a check valve, a double-pipe heat exchanger, a transition water tank, a water-in valve, a water flow switch, a water-out valve, a plate heat exchanger, a circulating water pump, an electromagnetic three-way reversing valve, a casing, an indoor unit and an indoor floor heating unit. The integrated multi-functional system has the beneficial effects that the functions of various machines, such as the household central air conditioner, the floor heating unit and the air energy water heater are integrated in one system, household all-in-all integrated control is realized, the living comfort degree of people is improved, and the investment cost of a user is greatly reduced under the condition of realizing the same functions. The integrated multi-functional system also has the advantages of high efficiency, energy conservation, environment friendliness, convenience in installation, convenience in operation and the like.

The invention discloses solar energy auxiliary air conditioner cooling equipment which mainly comprises a light collecting machine, an optical fiber, a Stirling engine and an air conditioner. The light collecting machine focuses sun light irradiated on the light collecting machine. Sun light irradiated on a hot gas chamber heat collecting piece is transmitted through the optical fiber. Accordingly, heat is transmitted to an engine hot gas chamber to drive the Stirling engine. The Stirling engine can output power to a compressor driver. A motor power output wheel can output power to a compressor driver. Through a Stirling-clutch and a motor-clutch, power input from two parts can be selectively cut off or transmitted. Accordingly, the fact that when sun light is sufficient, kinetic energy output by the Stirling engine is used, and when sun light is not sufficient, kinetic energy output by a motor is used is achieved. The function the solar energy helps air conditioner cooling is achieved. According to the solar energy auxiliary air conditioner cooling equipment, useful exploring on solar energy efficient using is achieved.

The invention relates to a parcel receiving device, in particular to an Internet of Things based automatic small household parcel receiving device. The Internet of Things based automatic small household parcel receiving device comprises a box, a retaining plate, a door mechanism, a wireless signal receiver and the like. The retaining plate is arranged at the left end of the inner bottom of the boxwhich is arranged on a wall, the door mechanism is arranged at the top of the retaining plate, a small scanner is arranged at the left upper end of the door mechanism, and a wireless signal receiverand a controller are arranged at the left end of the inner top of the box. The Internet of Things based automatic small household parcel receiving device has advantages that automatic parcel receivingcan be realized while heat preservation or refrigeration of parcels can be realized as well; when the parcels need to be refrigerated or put in a high-temperature environment but an owner cannot gethome timely, the owner sends an instruction, and then the controller controls a refrigerator or a heater to start operating.

This invention provides a home movable environmental friendly cooling device, which comprises outdoor cooling system and indoor machine. The said outdoor cooling system is composed of evaporator in the shell and the cooling system and is characterized by the following: it also comprises coolant tar, coolant and water pump connected to eh indoor machine through coolant flexible pipe; the said indoor machine is movable composed of moving rack, fan and heat exchanger.

The invention discloses a power equipment dehumidification device, which comprises a device body, anti-noise rubber plates and a storage battery, wherein the anti-noise rubber plates are arranged on the inner side wall of the device body, a heat exchanger is arranged between the inner walls of the anti-noise rubber plates on one side of a first filter screen, a second filter screen is arranged between the inner walls of the anti-noise rubber plates on one side of a semiconductor condensation sheet, a humidity sensor is arranged on one side of the second filter screen below a water collecting plate, an evaporator is arranged between the semiconductor condensation sheet below the humidity sensor and the second filter screen, a water tank is arranged on the inner wall of the anti-noise rubberplate below the evaporator, a heater is arranged in the water tank, and a moisture exhaust fan is arranged between the inner walls of the anti-noise rubber plates on one side of the second filter screen. According to the invention, a solar cell panel is arranged above the device body, so that the energy-saving and environment-friendly functions are realized, and the device is easy to popularize and use.

The invention discloses a portable medical refrigeration box based on a cloud end. The portable medical refrigeration box comprises an outer shell, an inner box body, thermal insulating foamed plastics, a refrigerating unit, a cooling unit, a power supply unit, a program unit and a control unit, wherein the refrigerating unit, the cooling unit, the program unit and the control unit are positioned on a circuit board; the inner box body is fixed in the outer shell, and the thermal insulating foamed plastics are wrapped at the periphery of the inner box body and fixed with the inner side part of the outer shell and the outer side part of the inner box body so as to form a stable structure; and part of the bottom of the inner box body is not provided with the thermal insulating foamed plastics, but is attached to the refrigerating unit, the bottom of the refrigerating unit is fixedly connected with the cooling unit, and the program unit is positioned in the outer shell. The temperature of the refrigeration box can be regulated through regulating a button on a control panel so as to achieve a purpose of refrigerating a medical reagent. Through a cloud-side server and a controller, a patient can very conveniently communicate with a doctor about disease conditions and obtain an auxiliary therapy scheme.

The invention discloses a method for controlling a refrigerator. The method includes steps of acquiring set temperature of a temperature varying chamber of the refrigerator and set temperature of a refrigerating chamber; comparing the set temperature of the temperature varying chamber with the set temperature of the refrigerating chamber, closing a second air door and a fourth air door if the set temperature of the temperature varying chamber is higher than the set temperature of the refrigerating chamber, and detecting current temperature of the temperature varying chamber; and opening a first air door and a third air door to refrigerate the temperature varying chamber by the aid of a refrigerating air channel when the current temperature of the temperature varying chamber is higher than starting temperature of the temperature varying chamber. The starting temperature is not lower than the set temperature of the temperature varying chamber. According to the method of an embodiment of the invention, a temperature varying range of the temperature varying chamber is wide, the temperature varying chamber also can be used as the refrigerating chamber or a freezing chamber according to actual needs, service performances of the refrigerator are improved, and users use the refrigerator conveniently. In addition, the method has the advantages that temperature control precision and temperature regulating efficiency are high.

The invention discloses an air conditioning system which comprises a compressor, a wind side heat exchanger, an air conditioner side heat exchanger, a hot water side heat exchanger, a first four-way valve, a second four-way valve and a third four-way valve. Four connectors of the first four-way valve are communicated with the output end of the compressor, the input end of the compressor, one connector of the second four-way valve and a first connector of the hot water side heat exchanger respectively. Four connectors of the second four-way valve are communicated with one connector of the first four-way valve, a first connector of the wind side heat exchanger, a first connector of the air conditioner side heat exchanger and the input end of the compressor respectively. The air conditioning system further comprises a first throttling element, a first check valve, a second throttling element and a third throttling element, and further comprises a second check valve and a liquid storage tank, wherein the second check valve and the liquid storage tank are sequentially connected in series, and any two of the first throttling element, the second throttling element, the third throttling element and the second check valve are communicated with each other through a pipeline. By means of the air conditioning system, the problem that the switching modes of an existing air conditioning system are not comprehensive enough can be effectively solved.

The invention discloses a modularized cooling capacity sharing device. The modularized cooling capacity sharing device comprises a shell, a semiconductor refrigeration sheet cold end is mounted on oneside of the shell, and a fixed sharing assembly is mounted on one side of the semiconductor refrigeration sheet cold end. The modularized cooling capacity sharing device is scientific and reasonablein structure and safe and convenient to use, a semiconductor refrigeration sheet is arranged, through the role of the semiconductor refrigeration sheet cold end and the semiconductor refrigeration sheet hot end, the purpose of refrigeration is achieved, then the use of a ventilation plate, an air exhaust fan and a first cold air shared channel, the transmission of the cold air is accelerated, thecold air generated by the semiconductor refrigeration sheet is transmitted and led to the first cold air sharing channel for use, the refrigeration time is reduced, the refrigeration cost is reduced,the use range is wider, the fixed sharing assembly is arranged, through role of a first mounting plate, a connecting groove and a limiting groove, the installation and disassembly of the first mounting plate are facilitated, a cold air blowing module, a refrigeration module and a plurality of modules are conveniently fixed simultaneously, and the work efficiency is improved.

The invention discloses a multi-stage nitrogen recovery system and a recovery method. The system sequentially comprises a first-stage recovery system and a second-stage recovery system. The first-stage recovery system utilizes the dissolution-diffusion principle, namely molecules move towards the chemical potential reduction direction through a membrane, and because the speeds of gas with different components in mixed gas passing through the membrane are different, the purposes of gas separation and gas recovery are achieved. Molecules of nitrogen are different from olefin and hydrogen molecules, and the purity of nitrogen subjected to multistage separation can reach 99% or above. An unpowered expansion cryogenic technology is adopted in the second-stage recovery system, wherein gas with certain pressure is subjected to adiabatic expansion in an expansion machine to do work outwards to consume the internal energy of the gas, so that the gas is cooled intensively to achieve the purposeof refrigeration, nitrogen is liquefied and recycled, and the low temperature can be generated without any external energy consumption or power. The multi-stage nitrogen recovery system and the methodhave the advantages of a simple structure, a simple flow, a low cost, economy, environmental protection and the like.

The present invention discloses method and apparatus of using city waste water to provide energy source. The method includes the processes of energy recovery, energy conversion and energy release. Waste water is first pumped from the waste water trunk canal, then passed through heat exchanger and finally returned into the trunk canal. The water inlet and water outlet of the water conveying pipeline share one common filter screen, which is made to rotate in the plane during waste water circulating process. The waste water circulating apparatus consists of waste water pumping pipe, waste water returning pipe, pump and dirt eliminating unit. The waste water pumping port and waste water exhausting port in the waste water trunk canal are provided with dirt eliminating units to prevent the siltation of pollutant.

The invention discloses an energy-saving constant-temperature system for a greenhouse and a control method of the system. The interior of the greenhouse is communicated with the interior of a body ofa heat pump unit to form a circulating air path, and when the heat pump unit runs in a heating mode, hot air in the greenhouse enters the heat pump unit through a first air inlet and is cooled by a second heat exchanger to form cold air, and the cold air is sent back into the greenhouse under the action of a fan module; when the heat pump unit runs in a refrigeration mode, cold air in the greenhouse enters the heat pump unit through the first air inlet and is heated by the second heat exchanger to form hot air, and the hot air is sent back into the greenhouse under the action of the fan module. Through the arrangement of a heating water path, hot water on the upper portion of a water tower is sent into heating heat exchange pipes laid on the bottoms of planting pots for radiant heat exchange, and it is achieved that the bottoms of the planting pots are heated. Visibly, the constant temperature system can meet the constant-temperature requirements for heating and refrigeration in the greenhouse, the energy efficiency is high, the energy-saving effect is obvious, and it can be ensured that the heat pump unit normally runs.

The invention discloses a mango cold-chain logistics fresh-keeping device in the technical field of mango refrigeration. The mango cold-chain logistics fresh-keeping device comprises a refrigeration chamber and a plurality of placing boxes, wherein a plurality of through holes are formed in the two sides of each placing box; each placing box is provided with a fixing groove and a fixing box; a first sealing assembly is arranged in each fixing groove; and a second sealing assembly is arranged in each fixing box. According to the mango cold-chain logistics fresh-keeping device provided by the invention, the fixing boxes on the placing boxes are in contact with the corresponding fixing grooves or second top plates, so that first top plates eject sealing cylinders open, meanwhile, the fixing boxes eject sealing plates open, inner cavities of the placing boxes communicate with the refrigerating chamber, and the temperature of the refrigerating chamber is kept through a refrigerator, so that the purpose of refrigerating is achieved; cold air in the refrigerating chamber can be in contact with mangoes in the placing boxes, so that the refrigerating effect is improved; and when the placing boxes are taken out of the refrigerating chamber, the sealing plates and the sealing cylinders return to seal the placing boxes, so that the loss of internal cold air is slowed down, and the refrigerating time is prolonged.

The invention provides a portable air conditioner without an external exhaust pipe and a drain pipe. The portable air conditioner comprises an outer shell and an air conditioner assembly, the air conditioner assembly can realize the purpose of refrigerating indoor air, hot air is discharged by a hot air outlet, cold air is discharged by a cold air outlet, therefore, the purpose that an exhaust pipeline does not need to be additionally arranged in the using process is achieved, the situation that the additionally-arranged exhaust pipeline extends out of a room to discharge hot air when a window is opened is avoided, and the refrigeration effect of the air conditioner is improved; and the second water absorption cotton cloth absorbs condensate water generated on an evaporator, the condensate water is discharged into the first water absorption cotton cloth of the condenser below through a condensate water pipe, and then the condensate water is diffused to an air opening of the condenser through the first water absorption cotton cloth, the purpose that hot air of the condenser can be cooled through the condensate water when being discharged out of the outer shell is achieved, and the purpose that the hot air outlet and the cold air outlet are humidified through the condensate water to improve the air wettability is achieved.

A refrigeration system is provided with a condenser, an evaporator and a power device; the evaporator is provided with an evaporation pipeline, a liquid working medium pipeline and a gas working medium pipeline, and the evaporation pipeline is filled with metal heat conduction wires; and the condenser is connected with a liquid-gas separator, the liquid-gas separator is connected with a first auxiliary surface cooler and a first-stage evaporator, the first auxiliary surface cooler is connected with the first-stage evaporator and the evaporator, the first-stage evaporator is connected with a vacuum cylinder, the first-stage evaporator is connected with a liquid working medium pipeline, the vacuum cylinder is connected with a booster cylinder, the evaporator is connected with the booster cylinder, the booster cylinder is connected with the condenser, and piston rods of the vacuum cylinder and the booster cylinder are connected with a power device. A working medium is separated into liquid and gas by the liquid-gas separator and then enters the first-stage evaporator, the liquid and the dried gas enter the evaporator to be evaporated, the purpose of refrigeration is achieved, and thegas and the liquid discharged by the first-stage evaporator and the evaporator are discharged into the condenser by the booster cylinder and then enter the liquid-gas separator to complete one cycle.

The invention discloses a solar refrigeration air-conditioning device. A heat collection device, a condensing device and a heat exchange device form a circulating system, wherein the heat collection device comprises a light collection plate, the upper end and the lower end of the light collection plate are respectively communicated with an upper liquid material tank and a lower liquid material tank, and the upper liquid material tank is communicated with the condensing device; and the heat exchange device comprises an evaporator and an absorber, wherein the evaporator is communicated with the condensing device and installed in a water tank, the absorber is communicated with the evaporator; the upper end and the lower end of the absorber are both communicated with a solution heat exchange device, and the other end of the solution heat exchange device is respectively communicated with the upper liquid material tank and the lower liquid material tank. The invention has large refrigeration capacity, is not easy to be limited by the climate conditions, is convenient to use, and can be widely used for places with larger refrigeration demands.

The invention discloses a constant temperature water bath pot capable of adjusting low and high temperatures. The pot comprises a refrigerating pot body, a control box body and a heating pot body, wherein temperature control panels are separately arranged on the outer walls of the heating pot body and the refrigerating pot body; a temperature controller is arranged in the control box body; the temperature controllers are separately connected to the temperature control panels of the heating pot body and the refrigerating pot body, separately; liners are arranged in the heating pot body and therefrigerating pot body; a water inlet and two water outlets are formed in the bottom of each liner; and a cold water circulating vessel, a first semiconductor refrigerating sheet and a first hot watercirculating vessel are also arranged in the control box body. The pot solves the problem that existing water bath pots cannot control constant temperature lower than room temperature, energy sourcesare saved, and the waste of electric energy is avoided effectively.

The invention discloses a portable medical refrigeration kit. The portable medical refrigeration kit comprises an outer shell, an inner kit body, an insulating foamed plastic, an electronic refrigeration slice, a power source, a radiator, a control panel and a circuit board, wherein the inner kit body is fixed inside the outer shell; the periphery of the inner kit body is coated with the insulating foamed plastic; the insulating foamed plastic is fixed together with the inner face of the outer shell and the outer face of the inner kit body to form a stable structure; the power source is electrically connected with the electronic refrigeration slice, the control panel and the circuit board; the electronic refrigeration slice is arranged at the bottom of the inner kit body; the radiator is fixed below the electronic refrigeration slice; the control panel is arranged on the outer surface of the outer shell; the circuit board is arranged in the outer shell and is electrically connected with the control panel; a controller is arranged on the circuit board, is provided with a control program inside and is connected with a cloud server in a wireless manner. The portable medical refrigeration kit has the beneficial effects that the temperature in the refrigeration kit can be adjusted by adjusting a button on the control panel to achieve the aim of refrigerating medical reagents; by connecting APP in mobile phones with the cloud server and the controller, patients can exchange the disease conditions with other patients and doctors and gain auxiliary medical treatment schemes very conveniently and quickly.

The invention discloses a constant-temperature heat pump unit for a greenhouse. The constant-temperature heat pump unit for the greenhouse comprises machine body and a water tank, wherein a compressor, a first heat exchanger, a second heat exchanger and a fan module are arranged inside the machine body; the fan module divides the inner cavity of the machine body into an upper part and a lower partof an air outlet cavity and an air inlet cavity, the compressor, the first heat exchanger and the second heat exchanger are all fixedly installed in the air inlet cavity, the second heat exchanger isclose to a negative pressure side of the fan module, and an air inlet cavity is provided with a first air inlet communicating with air in the greenhouse; the first air inlet is located below the second heat exchanger, the air outlet cavity is provided with a first air outlet communicating with the air in the greenhouse, the water tank is arranged outside the machine body and is connected with thefirst heat exchanger; the invention further discloses a control method applying the greenhouse constant-temperature heat pump unit. According to the unit and the method, the requirements of refrigeration and heating in the greenhouse can be met; moreover, due to the arrangement of the water tank, the heat pump unit can generate a better heat exchange effect with the first heat exchanger during operation, and the normal operation of the heat pump unit is ensured.

The invention provides a mold with semiconductor refrigeration devices. The mold comprises a mold plate. One or more semiconductor refrigeration devices are connected to the outer side of the mold plate. Each semiconductor refrigeration device comprises a cold conduction block and a semiconductor refrigeration chip. Each semiconductor refrigeration chip is provided with a heat absorbing face and aheat releasing face. One side of each cold conduction block is tightly attached to the outer surface of the mold plate, and the other side of each cold conduction block is tightly attached to the heat absorbing face of the corresponding semiconductor refrigeration chip. The heat releasing faces communicate with air in the outside world. A cooling water pipe is arranged on the portion, corresponding to a mold cavity, in the mold plate. The cold conduction blocks are tightly attached to the outer surface of the mold plate, and the cold conduction blocks on the outer surface of the mold plate are close to the cooling water pipe. According to the mold, one or more semiconductor refrigeration devices are connected to the outer side of the mold plate, and while the internal structure of the mold is not changed, refrigeration is effectively conducted on the mold, the mold water transportation effect is improved, influences of the mold cavity are reduced and the injection molding quality is improved.

The invention relates to an energy storage material, in particular to a phase change material for the cool storage of an air conditioner. The phase change material for the cool storage of the air conditioner in the invention is prepared from the following raw materials in part by weight: 55 to 65 parts of seawater or sea brine, 20 to 30 parts of NaSO4, 1 to 3 parts of aluminum reduced powder, 4 to 7 parts of thickening agent, 0.8 to 1.2 parts of NHCOOS, 0 to 5 parts of Na2B4O7.8H2O, 2 to 4 parts of H2O, 0.8 to 1.2 parts of CaO and 1 to 3 parts of H3BO3.H2O. The phase change material provided by the invention is a new material, is extensive in resources, low in cost and high in energy storage density, takes seawater resources as main resources, and compared with water of the same volume, is 3 to 5 times as great as the water in energy storage, thus the volume of stored ice and the cost can be reduced. Because a regulator and a supercooling preventing agent are added, supercooling and separating phenomena are avoided, the energy storage effect is improved, and the economical efficiency and practicability of the energy storage air conditioner are achieved. As total designed inverse-induction sets can be reduced, the cable investment, the power consumption and the pollution can be reduced, which is favorable for environment protection.