6results about How to "Satisfy refrigeration" patented technology

The invention discloses a thermal management system, an operation method of the thermal management system and a vehicle applying the thermal management system, and relates to the technical field of thermal management systems. The system selectively enters one of the following operation modes: a cab refrigeration mode, a battery pack refrigeration mode, a cab and battery pack refrigeration mode, a battery pack heating mode, a battery pack self-circulation heat dissipation mode, an electric energy conversion component heat dissipation mode and a battery pack and electric energy conversion component low-temperature heat dissipation mode. A cab heating mode and a waste heat utilization type battery pack heating mode. The invention mainly solves the problem of how to provide a thermal management system for a new energy automobile. The system has the advantages of being high in integration degree, rich in function, multiple in operation mode, high in reliability, good in controllability, high in power utilization efficiency and good in economical efficiency, and therefore the performance, stability and comfort of the vehicle are improved, and the service life of the vehicle is prolonged.

The application embodiment proposes a control method, a controller, an air conditioner and a medium of the air conditioner, comprising the following steps: firstly, the application embodiment determines the target wind speed and wind gear of the indoor unit according to the indoor environment temperature and the set temperature, controls the indoor unit to work at the target wind speed and wind gear, and regulates the indoor environment temperature; secondly, for the indoor unit without a humidity sensor, the application embodiment determines the dew point temperature according to the indoor environment temperature and the set humidity gear, which is suitable for the scene without the humidity sensor; then, the application embodiment also determines the humidity control coefficient according to the dew point temperature, adjusts the energy demand reference value of the indoor unit by using the humidity control coefficient to obtain the indoor unit capacity demand, and determines the target operation frequency of the compressor according to the indoor unit capacity demand, controls the compressor to work at the target operation frequency, thereby being capable of simultaneously regulating the temperature and humidity of multiple groups of pipe multi-split indoor units, and simultaneously meeting the refrigeration and dehumidification requirements.

The application discloses a data center cold-heat integrated fluorine pump heat recovery system and a control method thereof, and belongs to the technical field of energy saving. The system comprises a data center waste heat heating system, a fluorine pump natural cooling system and a vapor compression refrigeration system. The data center waste heat heating system is used for recovering waste heat from data center return water and increasing the waste heat temperature to heat a heat user. The fluorine pump natural cooling system and the vapor compression refrigeration system are both used for absorbing waste heat in the data center return water to provide cold energy for the data center to meet the cooling demand of the data center under different working conditions in the whole year. The application makes full use of the data center waste heat and outdoor natural cold source to further reduce the cooling energy consumption of the data center while meeting the refrigeration demand of the data center and the heating demand of the heat user. In addition, the application also uses an integrated valve which can meet the variable working condition and multi-mode operation demand of the system, thereby reducing the number of valves and control difficulty and facilitating the installation and management of the system.

The application provides a multi-connected air conditioner and a control method thereof, and relates to the technical field of air conditioners, to solve the problem that air conditioner power is affected by power tension. The multi-connected air conditioner comprises an outdoor unit, an energy storage module and multiple indoor units, the energy storage module is connected in parallel with the indoor units, a four-way valve has first, second, third and fourth ports, and can be switched between the first and second ports being conducted and the third and fourth ports being conducted, and the first and fourth ports being conducted and the second and third ports being conducted, a compressor exhaust port is connected to the first port, an outdoor heat exchanger is connected to the second port and connected to an outdoor expansion valve and a liquid shunt in sequence, a compressor outlet is connected to a high-pressure shunt, the third port is connected to a compressor air inlet and a low-pressure shunt, the fourth port is blocked, and the liquid shunt, the high-pressure shunt and the low-pressure shunt are respectively connected to the multiple indoor units and the energy storage module. The multi-connected air conditioner provided by the application can reduce the influence of air conditioner power on power tension.

The utility model discloses a kind of air source heat pump units with double cold double temperature heat recovery function, including air conditioner side compressor;Heat recovery heat exchanger;Air conditioner air disc temperature regulating system, communicate with air conditioner side compressor, including air conditioner air disc side heat exchanger;Air conditioner floor heating temperature regulating system, communicate with air conditioner side compressor, air conditioner floor heating temperature regulating system includes air conditioner floor heating side heat exchanger;Water cooling temperature regulating system, communicate with air conditioner side compressor by heat recovery heat exchanger, water cooling temperature regulating system includes water cooling heat exchanger.By being equipped with air conditioner air disc temperature regulating system and air conditioner floor heating temperature regulating system can realize double temperature output, satisfy the temperature regulation of fan coil and floor heating, realize multiple temperature output, greatly save cost;Through water cooling heat exchanger heat exchange, fan coil and floor heating can be cooled and regulated, on the basis of air source temperature regulation, realize temperature water source regulation, realize double cold effect.

This application relates to the technical field of heat pump equipment, specifically disclosing a photovoltaic direct-drive high-efficiency heat pump based on a special refrigerant. It includes a compressor, a first heat exchanger, a second heat exchanger, and a heat exchange circuit. The compressor compresses the refrigerant into a high-temperature, high-pressure gas. The first heat exchanger is connected to the compressor and is used to exchange heat between the refrigerant and domestic water to heat the domestic water. The second heat exchanger is used to exchange heat between the refrigerant and circulating water to heat or cool the circulating water. The heat exchange circuit includes a four-way valve, a bridge valve assembly, a liquid receiver, an economizer, and an evaporator. The four-way valve is connected to the compressor, the first heat exchanger, the second heat exchanger, and the evaporator. The bridge valve assembly is connected to the second heat exchanger, the economizer, the liquid receiver, and the evaporator. The liquid receiver is connected to the economizer, and the economizer is connected to the compressor. This application improves the utilization efficiency of the heat pump.