69 results about "Subcooling" patented technology

This invention discloses a method for preparing a uniform microstructure on the surface of a containerless solidified niobium alloy for a space station, relating to the field of containerless materials science experimental technology. The method first screens for highly supercooled samples suitable for preparing a uniform microstructure using this method in containerless space station experiments; calculates or experimentally determines the primary phase dendrite growth rate, the cooling rate coefficient of radiative heat dissipation during the cooling stage, and the primary phase nucleation rate; and conducts containerless space station experiments to allow the niobium alloy to undergo deep supercooling and rapid solidification within a determined suitable supercooling range, thus obtaining a solidified alloy sample with a uniform surface microstructure. This invention actively controls the distribution of dendrites and eutectic phases, resulting in a surface microstructure with uniformly distributed dendrites and interdendritic eutectic phases.

The embodiment of the present application discloses a supercooling degree control method, device and system. The supercooling degree includes at least one of the supercooling degree of the condenser outlet and the supercooling degree of the expansion valve inlet. The inlet of the condenser is communicated with the compressor, the outlet of the condenser is communicated with the evaporator, the expansion valve and the electromagnetic valve are arranged in the communication pipeline of the condenser and the evaporator, the condensing fan is arranged near the condenser, the control method comprises: obtaining the current temperature and pressure of the condenser outlet and the current temperature and pressure of the expansion valve inlet; determining the current supercooling degree of the condenser outlet according to the current temperature and pressure of the condenser outlet, and determining the current supercooling degree of the expansion valve inlet according to the current temperature and pressure of the expansion valve inlet; and controlling the working state of the condensing fan, the expansion valve and the electromagnetic valve according to the current supercooling degree of the condenser outlet and the current supercooling degree of the expansion valve inlet. The supercooling degree control method, device and system provided by the embodiment of the present application can improve the control reliability.

This disclosure discloses an air conditioning indoor unit, a control method, a controller, and an air conditioning system, relating to the field of air conditioning unit technology. The air conditioning indoor unit includes: a liquid pipe comprising a first section and a second section, one end of the second section connected to the first section and the other end connected to the evaporator inlet pipe; a throttling element disposed on the second section and configured to throttle the refrigerant flowing from the first section into the second section; and a heat exchange element configured to exchange heat between the throttled refrigerant in the second section and the refrigerant in the first section. With this air conditioning indoor unit, the subcooling of the refrigerant before throttling can be increased with or without adding any components, saving space and cost for the indoor unit.

The invention relates to a dynamic method for maintaining a predetermined supercooling of the refrigerant exiting the condenser by means of dynamically controlling the circulating mass of the refrigerant by transferring refrigerant into or to a reservoir installed in parallel with the connection between the condenser and the regulator depending on the temperature difference between the condensation temperature of the saturating liquid and the outlet temperature of the condenser.

This invention discloses an intelligent operation and control method and system for cold storage and subcooling cold storage. The method includes: acquiring basic parameters and real-time monitoring data of the cold storage; calculating the real-time load and short-term load change trends of the cold storage through a dynamic load prediction model; formulating an operation strategy based on load factor and time-of-use electricity price information, and intelligently selecting normal cooling, combined cooling with cold storage, or combined cooling with cold release and subcooling modes; achieving smooth switching between the three modes by adjusting the operating status of the compressor unit, electronic expansion valve, electric valve, and water pump; and continuously optimizing the load prediction model and control strategy using real-time feedback of the system's operating status. This invention achieves coordinated control of the cold storage and subcooling processes, improving the system's energy efficiency and operational economy under variable load conditions, and is applicable to the energy-saving and optimized operation of various types of cold storage and subcooling cold storage facilities.

This invention relates to the field of air conditioning technology, specifically providing an air conditioning system and its control method, which at least solves the problem of uneven refrigerant distribution among outdoor units in existing multi-split outdoor unit air conditioning systems. The air conditioning system includes indoor units and outdoor units, with each outdoor unit comprising multiple outdoor units connected in parallel. The control method includes: acquiring the current low-pressure and current subcooling of each outdoor unit; comparing the current low-pressure of each outdoor unit with a corresponding first preset pressure threshold, and comparing the current subcooling of each outdoor unit with a corresponding first preset subcooling threshold, wherein the first preset pressure threshold is determined based on the current low-pressure of the remaining outdoor units, and the first preset subcooling threshold is determined based on the current subcooling of the remaining outdoor units; based on the comparison results, determining whether each outdoor unit is short of refrigerant, and executing a corresponding refrigerant distribution strategy according to the determination result. This invention is beneficial for promoting a balanced distribution of refrigerant flow among the outdoor units.

This application provides a method, apparatus, and vehicle for determining refrigerant insufficiency in a vehicle air conditioner. The method includes: controlling the vehicle air conditioner to enter a cooling mode when the outside temperature is higher than the inside temperature, where the outside temperature is the ambient temperature outside the vehicle and the inside temperature is the ambient temperature inside the vehicle; acquiring superheat, saturation temperature difference, the opening degree of the electronic expansion valve of the vehicle air conditioner, and subcooling degree when the vehicle air conditioner has been running in cooling mode for a first predetermined duration, where the saturation temperature difference is the difference between the saturation temperature corresponding to the evaporation pressure of the evaporator of the vehicle air conditioner and the target saturation temperature; and determining that the vehicle air conditioner has refrigerant insufficiency when at least two of the superheat, saturation temperature difference, electronic expansion valve opening degree, and subcooling degree are within their corresponding predetermined ranges. This solves the problem of frequent misjudgments caused by relying on experience to determine refrigerant insufficiency in the prior art.

This invention provides a scroll compressor refrigeration system for low-temperature energy efficiency improvement and stable operation under low load, relating to the field of low-temperature refrigeration technology. In the scroll compressor refrigeration system provided by this invention, the condensed liquid refrigerant enters a gas-liquid separator with a regenerative function, completing the first subcooling. This improves system energy efficiency and also increases system superheat, significantly reducing the risk of liquid return. Furthermore, the increased superheat of the return gas facilitates the return of refrigeration oil accumulated in the gas-liquid separator to the compressor oil sump for lubrication via the system return gas pipe, thereby improving the reliability of lubrication in the low-temperature system. Simultaneously, the combined use of a balance bypass expansion valve and a one-way valve allows for rapid balancing of the high and low pressures of the refrigeration system, preventing the compressor from starting under pressure.

This invention discloses a control method for an intelligent fan system, relating to the field of fan control. The method includes: collecting multi-point temperatures of the outdoor heat exchanger coil and calculating subcooling to identify the initial frost period, frost development period, and full frost critical period; actively reducing fan speed and introducing solar water heating circulation when active frost protection conditions are met; calculating the natural temperature drop rate and expected temperature rise rate of the coil, and determining whether active frost protection conditions are met based on the average coil temperature; entering defrost mode when the frost protection time window is too short; using the difference between the solar collector outlet temperature and the average coil temperature as the effective driving temperature difference, calculating the expected temperature rise rate based on the coil heat capacity, and prioritizing the activation of the solar circulation pump to raise the coil temperature after determining that active frost protection conditions are met; and adjusting fan speed in stages according to the pre-frost temperature drop ratio; thus achieving the identification of the frost stage and coordinated control of fan speed, reducing indoor temperature fluctuations.

The invention of an optimization system for truck parking cooler's efficiency in hot and dry areas by reducing energy consumption and increasing operating time relates to vehicle air conditioning, specifically truck parking coolers, which operate entirely on battery power, eliminating the need to keep the engine running for cooling. Designed especially for extremely hot and dry areas, this system provides long-lasting cooling during drivers' rest periods without rapidly depleting the battery. Unlike traditional systems that use only one condenser, this invention incorporates two condensers. The secondary condenser is designed in such a way that the length and width of the main condenser can be increased by 20% to 85%, without increasing the overall size of the parking air conditioner's body. Additionally, the integration of mixed hot and cold pipes for temperatures ranging from 60 to 75 degrees Celsius enhances the subcooling process, ensuring optimal performance.

The application belongs to the technical field of phase change microcapsule energy storage materials, and is characterized by using polyurethane urea as a shell material, normal alkane as a core material, and a mixture of crystalline resin and multi-dimensional inorganic nanomaterial as a complex nucleating agent, and using an interfacial polymerization method to obtain low supercooling degree formaldehyde-free phase change microcapsules, wherein the total mass of the nucleating agent accounts for 0.1-0.5% of the mass of the core material. The method is simple and low in cost. The phase change microcapsule material prepared by the method can still maintain a low supercooling degree and does not have a phase separation phenomenon after long-term heat absorption and heat release cycles, is suitable for long-term cold and heat cycles, and has a broad development prospect in the fields of textiles, buildings and industrial waste heat recovery.

This invention relates to the field of phase change energy storage materials technology, specifically to a high-energy-storage composite phase change material for low-temperature applications and its preparation method. Addressing the problems of high supercooling, slow crystallization rate, and poor heat transfer performance in existing low-temperature phase change materials, this invention uses a glycylglycine aqueous system as the high-energy-storage matrix, introduces organic sugar alcohols as phase change temperature regulators, and constructs heterogeneous nucleation sites by adding inorganic nanoparticles. These nanoparticles significantly reduce the nucleation energy barrier of the system, effectively suppressing supercooling and improving the internal heat transfer efficiency of the material. The material obtained by this invention crystallizes rapidly and releases heat efficiently, making it widely applicable in cold chain logistics and food preservation.

The application relates to the field of automobile thermal management, and particularly provides a method, device and equipment for testing a new energy automobile air conditioner and a storage medium, the method comprising the following steps: adding refrigerant to a charging quantity platform in an alternating mode of single evaporator and double evaporator, and determining optimal charging quantity of the air conditioner according to a drawn single-double-evaporator charging quantity platform curve; under a rated working condition, adjusting the opening degree of an electronic expansion valve to adjust the supercooling degree of a condenser outlet, and determining optimal supercooling degree of the air conditioner according to a drawn air conditioner supercooling degree performance curve; under the conditions of ensuring the optimal charging quantity of the air conditioner and the optimal supercooling degree of the air conditioner, analyzing the air conditioner circulating oil return rate under different modes. The method can achieve the effect of comprehensively testing the new energy automobile air conditioner.

This application discloses an air conditioner and its control method, storage medium, and program product, relating to the field of air conditioner control technology. The air conditioner includes: a compressor, a four-way valve, an outdoor heat exchanger, an indoor heat exchanger, a throttling device, and a phase separator. The outdoor heat exchanger includes a first heat exchange module and a second heat exchange module. The compressor's exhaust port is connected to the first port of the four-way valve, the second heat exchange module is connected to the second port of the four-way valve, the compressor's suction port is connected to the third port of the four-way valve, and the indoor heat exchanger is connected to the fourth port of the compressor. The indoor heat exchanger, the throttling device, the first heat exchange module, the phase separator, and the second heat exchange module are connected sequentially. The outlet of the phase separator is sequentially connected to the compressor's suction port. This application improves the refrigerant subcooling, enhances the heat exchange capacity of the outdoor heat exchanger, and improves the air conditioner's operating efficiency.

This invention provides a regenerative reverse Rankine cycle dual high-temperature heat pump system. The heat pump system includes: a first heat exchanger, a first compressor, a first regenerator, a second heat exchanger, and a first expansion valve. The first heat exchanger is connected to the first compressor via the first regenerator. The second heat exchanger is connected to the first compressor. The first expansion valve is connected to the first heat exchanger, and the second heat exchanger is connected to the first expansion valve via the first regenerator. By setting up the first regenerator, heat exchange is performed between the working fluid before throttling and before compression, thereby increasing the subcooling before throttling and significantly reducing throttling losses. At the same time, increasing the superheat at the outlet of the first heat exchanger avoids the damage to the compressor caused by wet compression due to ultra-high temperature dry working fluid, which helps to ensure the service life and high reliability of system components.

This invention discloses a heat exchanger system, a refrigeration system, and an air conditioner having the same. The heat exchanger system has a first main inlet and a second main inlet and an outlet. The heat exchanger system includes: multiple heat exchangers, including a first heat exchanger and a second heat exchanger. The first heat exchanger includes a first body section and a first subcooling section. The second heat exchanger includes a second body section and a second subcooling section. When the air conditioner is in refrigeration mode, refrigerant flows from the first main inlet and an outlet to the second main inlet and an outlet. Both the first body section and the second body section are connected to the first main inlet and an outlet. Refrigerant flowing out of the first body section and the second body section flows to the first subcooling section and the second subcooling section, respectively. Refrigerant flowing out of the first body section also flows to the second subcooling section and / or refrigerant flowing out of the second body section also flows to the first subcooling section. According to the heat exchanger system of this invention, at least a portion of the refrigerant can be subcooled twice, improving the subcooling degree, cooling capacity, cooling effect, and energy efficiency.

The application relates to the ice storage field and provides a supercooled water crystal-promoting concentration device. The supercooled water crystal-promoting concentration device comprises a bottom plate, a runner, a filter screen and a driving assembly. The supercooled water crystal-promoting concentration device can realize safe crystal promotion of supercooled water under all supercooling degrees; avoids the aggregation and caking of ice crystals in a conveying pipeline, and eliminates the ice blockage hidden danger from the root; can simultaneously complete the whole-process continuous operation of supercooled water inflow, impact crystal promotion, sliding water draining, ice crystal concentration and automatic ice discharging, and has high processing efficiency; the structure is simple, the processing cost is low, the device is convenient to regularly clean or replace, and maintenance is convenient.

This invention discloses a gel-based composite phase change energy storage material and its preparation method. The material comprises the following components in the indicated mass fractions: 70%–80% phase change matrix; 5%–10% temperature regulator; 1%–3% nucleating agent; 0.5%–1.5% thermal conductivity enhancer; 10%–15% gel skeleton; and 0.5%–2% thickener. This invention precisely controls the phase change temperature to -25°C to -20°C using the temperature regulator, meeting the requirements for frozen product transportation; it utilizes synergistic nucleating agents and functionalized multi-walled carbon nanotubes to control the supercooling to within 2°C; the carbon aerogel skeleton and surface gel protective layer achieve dual leak prevention, exhibiting excellent cycle stability, with a phase change enthalpy decay rate of less than 5% after 500 cycles; simultaneously, the thermal conductivity is significantly improved, and the raw materials are environmentally friendly and biodegradable, showing broad application prospects in the cold chain logistics field.

The application discloses a multi-connected air conditioner system, indoor units, multiple are arranged, outdoor units, at least 1 is arranged, connected with the indoor unit, the outdoor unit is provided with a high pressure sensor and a liquid pipe temperature sensor; a first pressure relief pipeline; a first pressure relief valve connected on the first pressure relief pipeline; the control part is configured to: obtain the capacity ratio of the running indoor unit and the running outdoor unit; the exhaust pressure value of the exhaust pressure sensor and the outdoor heat exchanger liquid pipe side temperature value; when it is determined that the capacity ratio of the running indoor unit and the running outdoor unit reaches the set ratio range, there is a target outdoor unit in the outdoor unit, the exhaust pressure value of which reaches the preset pressure interval range and the supercooling degree value reaches the preset supercooling degree interval range, the first pressure relief valve of the target outdoor unit is controlled to be turned on. The multi-connected air conditioner system can detect liquid sealing and can release the high pressure of the system when detecting that liquid sealing is about to occur, so that the stable operation of the system in low-temperature small-load refrigeration is ensured.

The embodiment of the present application provides a kind of refrigerant inventory estimation method of refrigerating system, estimation device and refrigerating system.The method comprises obtaining the temperature information and pressure information of refrigerant at the inlet of expansion valve;According to the pressure information at the inlet of expansion valve and the temperature information of refrigerant at the inlet of expansion valve, determine the supercooling degree at the inlet of expansion valve;According to calibration experiment, determine the supercooling degree at the inlet of expansion valve of refrigerating system and the refrigerant inventory correlation model;According to the supercooling degree at the inlet of expansion valve, estimate refrigerant inventory based on the supercooling degree at the inlet of expansion valve and the refrigerant inventory correlation model.The technical scheme provided by the embodiment can estimate the quality of refrigerant inventory in real time, accurately estimate refrigerant inventory by the supercooling degree at the inlet of expansion valve, solve the problem that the refrigerant inventory estimation accuracy of existing refrigerant inventory detection method is poor.

This invention discloses a control method for a vehicle air conditioning system. Based on the deviation between the target and actual outlet air temperature of the front air conditioning assembly, the compressor speed is adjusted to change the condenser outlet subcooling, thus bringing the actual outlet air temperature of the front air conditioning assembly closer to the target outlet air temperature. Based on the deviation between the target and actual outlet air temperature of the rear air conditioning assembly, the opening of the electronic expansion valve is adjusted to change the refrigerant distribution ratio, thus bringing the actual outlet air temperature of the rear air conditioning assembly closer to the target outlet air temperature. This control method, by linking the outlet air temperature control of the front air conditioning assembly to the condenser subcooling and the outlet air temperature control of the rear air conditioning assembly to the opening of the electronic expansion valve, decouples the direct competition between the front and rear air conditioning systems for refrigerant distribution from a control logic perspective. This can improve the mutual disturbance of outlet air temperatures between the front and rear air conditioning systems and enhance the uniformity of refrigerant distribution in the evaporators of both systems. This invention also discloses a vehicle air conditioning system and a vehicle.

This invention belongs to the field of heavy oil extraction technology, specifically disclosing a method for controlling production parameters in heavy oil extraction based on multi-parameter constraints. First, the wellbore temperature and the saturated steam temperature under corresponding formation pressure are calculated using the friction temperature equation to determine if the subcooling is within a reasonable range. After the subcooling meets the standard, the friction steam dryness is calculated and verified. After the dryness meets the standard, the maximum steam injection rate at the wellhead is calculated with the formation fracturing pressure as the upper limit, constraining the safe range of the actual steam injection rate. When all three parameters meet the constraints, they are determined to be the optimal production parameters. This invention addresses the problem of low extraction efficiency and poor formation safety caused by the lack of a parameter control method that coordinates subcooling, steam dryness, and steam injection rate constraints in the SAGD process. This invention balances reservoir heating and viscosity reduction effects, stable expansion of the steam chamber, and formation safety, effectively improving the recovery rate and economic benefits of SAGD extraction of extra-heavy oil.

The application relates to the technical field of phase change heat storage materials, in particular to a composite phase change heat storage material based on silica gel and a preparation method thereof, and the preparation method comprises the following steps: mixing tetraethoxysilane, ethanol and deionized water, stirring, adding ammonia water dropwise to form a homogeneous precursor solution; sealing and heating to obtain a silicon dioxide nucleating agent; determining a nucleation site characterization value based on the light transmittance and blue light intensity of the nucleating agent, and adjusting the ammonia water dropwise speed of the subsequent nucleating agent preparation according to the characterization value; mixing urea, erythritol and deionized water and heating, adding a dispersing agent and then adding the nucleating agent dropwise, dynamically adjusting the stirring speed by real-time monitoring of the light transmittance change rate, and obtaining a eutectic phase change material solution; and finally drying and forming. Through closed-loop regulation and control of the nucleating agent activity characterization and dispersion process, the application significantly reduces the supercooling degree of the material and improves the thermal cycle stability, and solves the core problem of low nucleation efficiency of organic phase change heat storage materials.

This utility model relates to an outdoor cooling equipment and a cooling system for a computer room, including a chassis, two air-to-water heat exchangers, two finned dry coolers, a water-to-refrigerant heat exchanger, a condenser fan, a spray mechanism, a water collection tank, a circulating water pump, and a first one-way valve. The two air-to-water heat exchangers are respectively arranged on two opposite sides of the chassis. The two finned dry coolers are arranged in a V-shape inside the chassis, with the two finned dry coolers positioned opposite the two air-to-water heat exchangers. The two air-to-water heat exchangers are respectively located on both sides of the two finned dry coolers. The condenser fan is located on the top of the chassis. Unlike the prior art, this utility model replaces four air-to-water heat exchangers with two air-to-water heat exchangers, avoiding excessively low cooling, improving cooling efficiency, reducing costs, and facilitating the refrigerant to enter the two finned dry coolers through the main liquid refrigerant inlet pipe and then flow out through the main liquid refrigerant outlet pipe. After cooling, the refrigerant enters the indoor unit.

This invention provides a method for refining the surface grains of a coating, and a zinc-aluminum-magnesium coated steel sheet, belonging to the field of coating. The method includes: hot-dip galvanizing a steel substrate to obtain a coated steel sheet; cooling the coated steel sheet to a set temperature; and applying a grain refiner to at least a portion of the surface of the coating, wherein the set temperature is 390℃~420℃, and the grain refiner includes potassium fluorotitanate and a mixed salt of potassium fluorotitanate and potassium fluoroborate. By spraying a grain refiner that increases the supercooling of the coating surface, the coating surface is promoted to solidify first, thereby refining the grain structure of the coating. By controlling the temperature at which the grain refiner is sprayed onto the coating surface and the equivalent diameter of the grain refiner, the resulting coating surface has a fine eutectic structure with good atmospheric corrosion resistance and good resistance to under-film filamentary corrosion, making it less prone to under-film filamentary corrosion problems in the atmosphere.

An air-source heat pump system includes a compressor, a four-way reversing valve, a throttling device, an outdoor heat exchanger, outdoor piping, a distributor, a water-side heat exchanger, a first check valve, a second check valve, and a third check valve. The outdoor piping is connected to the four-way reversing valve and the throttling device, and is also connected to the cooling ends of the top, middle, and bottom heat exchange units. The heating ends of the top, middle, and bottom heat exchange units are connected to the branch interface pipe, and the main interface pipe is connected to the outdoor piping and the throttling device. The second and third check valves are located on the outdoor piping; the liquid outlet of the second check valve is connected to the throttling device, and the outdoor piping between the bottom heat exchange unit and the second and third check valves is connected. The liquid outlet of the first check valve is connected to the main interface pipe, and its liquid inlet is connected to the piping between the second check valve and the throttling device. During heating, the system improves the heat exchange efficiency of the outdoor heat exchanger; during cooling, it improves the subcooling.

This invention belongs to the field of heat pump system technology and discloses a noise reduction control method and an air source heat pump system. The noise reduction control method of the air source heat pump system calculates the subcooling degree S and dryness fraction χ, and uses the discriminant function of the two-dimensional nonlinear flow pattern to determine the two-phase flow pattern of the refrigerant. In this way, the opening degree of the electronic expansion valve and the compressor frequency can be precisely controlled according to different flow patterns. It actively controls the noise generated by the rapid vaporization of the refrigerant after throttling and the abnormal flow pattern of the gas-liquid two-phase flow, which can suppress the high-frequency whistling sound generated by high-speed friction of the gas phase from the source, greatly improve the noise problem of the electronic expansion valve, significantly improve the user's living comfort, and the coupled control can keep the air source heat pump in optimal operating conditions. While achieving high-efficiency noise reduction, it also significantly improves the overall operating energy efficiency of the system, achieving the dual technical effects of noise reduction and energy saving.

The utility model relates to the field of krypton xenon extraction technology especially, and more particularly to a kind of krypton xenon extraction air separation cold buffer and supercooling degree balancing device.Its technical scheme includes cold accumulator, heat exchange pipe, adjusting bin and condensing tower, and backwater pipe is installed between the communication of cold accumulator and condensing tower, condensing tower one end is provided with delivery pump, the heat exchange pipe of delivery pump output end is provided with, the adjusting bin is installed in the internal communication of heat exchange pipe upper end, the adjusting bin one end is communicated and is installed with fairing, and the fairing is connected with the adjusting bin and is installed with flow guide pipe.The utility model is provided with adjusting bin in the internal communication of heat exchange pipe part paragraph upper end, when the delivery flow of cooling medium is large, it is stored by cold accumulator recovery, improve the existing air separation system when dealing with raw gas change, it is often difficult to realize the accurate control of supercooling degree, so as to restrict the improvement of krypton xenon extraction efficiency.

This invention pertains to the field of automotive air conditioning and relates to a condenser structure capable of deep subcooling, comprising a top plate, a core body, and a bottom plate, which are assembled sequentially from top to bottom. The top plate has pipe mounting holes at both ends for fixing inlet / outlet water pipes. The bottom plate has a compressor refrigerant inlet to the condenser and a refrigerant outlet to the condenser and liquid receiver tank on one side, and a refrigerant outlet to the liquid receiver tank for return and subcooling exit on the other side. The core body is composed of multiple layers of plates, forming interconnected water flow chambers and refrigerant flow chambers. The system includes a flow cavity; water passages at both ends of the plate, and refrigerant passages at the four corners. Two refrigerant passages on one side connect to the condensing zone, and the other side connects to the subcooling zone. Two water pipes connect to the flow cavity via the water passages at both ends. The compressor refrigerant inlet to the condenser and the refrigerant outlet from the condenser to the liquid receiver tank connect to the upper condensing zone via the condensing zone connection holes at both ends. The refrigerant outlet from the liquid receiver tank and the refrigerant outlet after subcooling from the condenser connect to the lower subcooling zone via the subcooling zone connection holes at both ends. This invention improves the refrigerant subcooling.

The application provides a heat management system and an energy storage container. The heat management system is used for heat exchange of a battery in an energy storage system and comprises a refrigerant circulation loop. The refrigerant circulation loop is provided with a compressor, a first heat exchanger, a second heat exchanger and a third heat exchanger which are connected with each other. The third heat exchanger has a first heat exchange part and a second heat exchange part. An outlet of the compressor is connected with a pressure regulating valve, the first heat exchange part and a first port of the second heat exchanger through pipelines in sequence. A second port of the second heat exchanger is connected with the first heat exchanger, the second heat exchange part and an inlet of the compressor through pipelines in sequence, so that the refrigerant flowing out of the compressor in a heating mode is subjected to pressure regulation and temperature reduction regulation and then flows into the second heat exchanger. Through heat exchange between the refrigerant and the battery, the heat exchange efficiency of the battery is improved. Meanwhile, the superheat degree of the refrigerant is eliminated and the supercooling degree is reduced before heat exchange, so that the heat exchange uniformity is improved and the temperature uniformity of the battery is improved.