53results about How to "Reduce cooling capacity" patented technology

The invention belongs to the technical field of battery thermal management systems, and particularly relates to a battery thermal management system and a control method and device of a compressor in the battery thermal management system. The method comprises the steps that in the operation process of a compressor in a refrigerant circulation loop of the battery thermal management system, when the actual water outlet temperature between a water outlet of a heat exchanger in a water circulation loop of the battery thermal management system and a water inlet of a battery pack is reduced to the difference between the actual water outlet temperature and a target water outlet temperature which is smaller than or equal to a first set temperature difference; and controlling the compressor to decelerate. As the actual outlet water temperature is close to the temperature of the battery pack at the moment, even if the compressor runs at a reduced speed and the refrigerating capacity is reduced, the cooling of the battery pack is not influenced, and the refrigerating effect of the battery heat management system is not influenced; therefore, according to the control method of the compressor in the battery thermal management system, the refrigeration effect is guaranteed, and the energy consumption of the compressor is reduced.

The invention provides an air conditioner control method for zone adjustment, an air conditioner system and a storage medium, and the method comprises the following steps: when entering a heat exchange mode, obtaining personnel position distribution data in a current physical space; dividing the current physical space into more than two temperature control areas according to the personnel position distribution data; determining a target temperature value corresponding to each temperature control area; and according to the target temperature value, the corresponding air conditioner is controlled to conduct temperature adjustment on each temperature control area. By means of the air conditioner control method, the indoor temperature control area division accuracy and flexibility can be improved.

The invention provides a freezing display cabinet which comprises a cabinet body, an inner container is arranged in the cabinet body and used for containing articles, and an opening is formed in one side of the cabinet body; the cabinet door is arranged at the position of the opening, and the cabinet door is used for closing or opening the opening; the first air duct assembly produces low-temperature air to refrigerate the interior of the cabinet body, the first air duct assembly comprises a first air duct, a first fan and a first evaporator, and the first fan and the first evaporator are installed in the first air duct; the second air duct assembly is used for manufacturing an air curtain to separate air inside and outside the cabinet body and comprises a second air duct, a second fan and a second evaporator, and the second fan and the second evaporator are installed in the second air duct; and the heat preservation curtain is arranged in the second air duct and can shield the inner side of the cabinet door when power is off, so that the melting rate of articles placed in the cabinet body is slowed down.

The invention discloses a condenser and a refrigerator applying the same, and particularly relates to the technical field of condensers, the condenser comprises a condenser body, a condensation pipe is arranged in the condenser body, a fan is arranged on one side of the condenser body, the condenser further comprises an adjusting device, and the adjusting device comprises a driving assembly and an adjusting assembly. When the temperature of a refrigerant rises, a first piston plate extrudes gas in a driving cavity into an adjusting cavity, so that a second piston plate is pushed to drive an adjusting plate to move towards a liquid inlet channel in an adjusting groove, the liquid inlet space of the liquid inlet channel is reduced, the purpose of controlling the liquid inlet flow is achieved, the refrigerating effect of the condenser is improved, and the service life of the condenser is prolonged. The distance between the adjusting plate and the liquid inlet channel can be controlled according to temperature changes, accurate control is achieved, it can be ensured that the condenser can still effectively lower the temperature of refrigerants in the high-temperature environment, and therefore the efficiency of the whole refrigeration cycle is improved.

The invention discloses a dual-refrigeration heat management method and device for an electric vehicle, and relates to the technical field of heat management.The dual-refrigeration heat management method for the electric vehicle comprises the following steps that the temperature of a passenger compartment evaporator is obtained; comparing the temperature of the passenger compartment evaporator with a temperature threshold; according to the relation between the temperature of the passenger compartment evaporator and the temperature threshold value, the temperature and / or flow of battery pack cooling liquid is adjusted, then the refrigerating capacity of the battery pack is adjusted, the refrigerating capacity is increased by adjusting the rotating speed of a compressor in advance, and meanwhile an electronic expansion valve is adjusted according to the current water temperature and the target water temperature to ensure that the battery pack can obtain enough refrigerating capacity; the refrigerating effect of a passenger compartment is met, meanwhile, temperature rise of the power battery in the running and charging process is effectively controlled, excessive temperature rise in the initial charging stage of the battery is avoided, the safety of the battery is improved, the service life is prolonged, and the charging efficiency is improved.

This invention provides a pump body assembly for a compressor and a compressor. The pump body assembly includes: a first cylinder with a suction channel, comprising a main channel and a branch channel, the axis of the main channel being inclined relative to the axis of the compressor; a connecting channel on a partition member, the axis of the connecting channel being inclined relative to the axis of the compressor; and an intake channel on a second cylinder, the axis of the intake channel being inclined relative to the axis of the compressor. The main channel, the connecting channel, and the intake channel are sequentially connected. The intake end of the main channel is located on the side of the first cylinder and / or on the end face of the first cylinder facing away from the partition member. The intake channel communicates with the chamber of the second cylinder, and the branch channel connects the main channel and the chamber of the first cylinder. The technical solution of this invention solves the problem of high suction resistance in the second cylinder of the compressor in the prior art, which leads to reduced overall energy efficiency.

The invention discloses a computer equipment box convenient to dissipate heat and move, and relates to the technical field of computer equipment boxes, the computer equipment box comprises a case frame, a cooling box is fixedly mounted at the top of the case frame, an air guide assembly is arranged on the inner wall of the case frame, and a router is placed in the cooling box. The computer equipment box convenient to dissipate heat and move is convenient to move, disassemble, assemble and maintain, a relatively closed space is formed through the rubber strips and the case, the case is divided into three relatively independent temperature control areas through the three wind scoopers, comprehensive cooling of the case is further facilitated, and the heat dissipation efficiency of the computer equipment box is improved. The lower end of the wind scooper is communicated with the ventilation slot, so that the temperature of a temperature control area in the wind scooper is detected, meanwhile, the silicon controlled rectifier power regulator automatically reduces the power and the voltage of the transformer, so that the refrigeration effect of the semiconductor refrigeration sheet is reduced, the energy consumption is reduced, and the heat dissipation range of the host is controlled by matching with the unfolding size of the wind scooper; and cooling of the router can be realized.

The utility model discloses a refrigeration house with a buffer chamber, which relates to the technical field of refrigeration houses and comprises a refrigeration house body. The buffer room is arranged on one side of the refrigeration house body, and the rear end of the buffer room extends into the refrigeration house body; one of the two first sealing doors is arranged on the rear side face of the buffering room so that the buffering room can be communicated with or separated from the refrigeration house body, and the other first sealing door is arranged on the front side face of the buffering room so that the buffering room can be communicated with or separated from the external space; and each second sealing door is arranged on the corresponding first sealing door. The two first sealing doors are opened alternately, so that cold air leakage of the refrigeration house is avoided, the air curtain machine in the buffer room blows out cold air, convection of cold air and hot air is avoided, meanwhile, goods are transferred, and the situation that warehouse-out goods are heated, water drops are condensed outside and warehouse-in goods affect other stored goods is avoided; and a small number of goods enter and exit from the warehouse through the second sealing door, leakage of cold air can be reduced, and the energy-saving effect is improved.

The invention relates to the technical field of battery containers, in particular to a container type control room and energy storage battery cabin combined heat management system and method.The system comprises a refrigerant loop and a secondary refrigerant loop which can conduct heat transfer, and the refrigerant loop is connected to the inner side and the outer side of a control room in series to adjust the temperature and humidity of the control room; the secondary refrigerant loop is connected with the battery cluster in the battery cabin and is used for adjusting the temperature of the battery cluster; the refrigerant loop comprises an indoor unit and an outdoor unit which are connected in series, the indoor unit is arranged in the control room, the outdoor unit is arranged outside the control room, and an outdoor unit assembly can exchange heat with the secondary refrigerant loop; the battery compartment and the control chamber are arranged in the container. The mechanism is compact, the battery cabin heat management loop and the control room heat management loop are fused, energy cross-region transfer can be achieved, and cold or heat can be flexibly distributed according to the real-time temperature control requirements of the battery and the control room.

The invention discloses an air conditioning system control method and system, and relates to the technical field of refrigeration, the system comprises a central control unit, a main unit and a return air processing unit, and the method comprises the steps that fresh air temperature and humidity, return air temperature and humidity, mixed air temperature, supply air temperature and humidity, a preset temperature threshold value and a preset humidity threshold value are obtained; a system working mode is determined based on the return air temperature and the temperature threshold value, and the specific working modes of the main unit and the return air processing unit are controlled according to the system working mode, the temperature and humidity, the temperature threshold value and the humidity threshold value; by arranging the return air processing unit, outdoor low-temperature fresh air is used for cooling indoor high-temperature return air, the system energy consumption is greatly reduced, the central control unit obtains the temperature and humidity of the outdoor fresh air and the indoor return air, the temperature and humidity of mixed air and supplied air and a preset indoor temperature and humidity threshold value are combined, a proper system working mode is selected, and the system energy consumption is reduced. The main unit and the return air processing unit are intelligently controlled, and high-temperature return air is effectively and rapidly cooled on the premise that the system is low in load and energy consumption.

The invention discloses a beauty makeup refrigerator and a control method thereof, and the beauty makeup refrigerator comprises a plurality of beauty makeup product storage areas which comprise a low-temperature storage area located below the beauty makeup refrigerator and used for providing a low-temperature storage environment and storing beauty makeup products stored at low temperature; the non-low-temperature storage area is located above the beauty makeup refrigerator and used for providing a non-low-temperature storage environment and storing beauty makeup products stored at a non-low temperature; and the refrigerating system at least comprises two refrigerating modules which are located in the low-temperature storage area and the non-low-temperature storage area correspondingly and used for adjusting the environmental parameters of the low-temperature storage area and the non-low-temperature storage area correspondingly. The problem that in the prior art, a beauty makeup refrigerator is poor in storage effect on different types of beauty makeup products is solved, the storage environment is adjusted in a targeted mode, the storage environment requirements of different beauty makeup products are met, and the storage time of the beauty makeup products is prolonged.

The invention relates to the technical field of intelligent household appliances, and discloses a method for adjusting air outlet of an air conditioner, which comprises the following steps: in the process of rotating the air supply direction of an indoor unit from deflecting to a first wall to deflecting to a second wall, lowering the rotating speed of a fan; or in the process that the air supply direction of the indoor unit rotates from being deviated from the second wall to being deviated from the first wall, the rotating speed of the draught fan is increased. And the indoor unit is closer to the second wall, so that the required cold quantity or heat quantity is less. And when the air supply direction deviates to the second wall, the rotating speed of the fan is reduced. And the air output is reduced, and the refrigerating capacity or heating capacity is reduced. The indoor unit is farther away from the first wall, and the needed cooling capacity or heat is large. And when the air supply direction deviates to the first wall, the rotating speed of the fan is increased. The air outlet amount is increased, and the refrigerating capacity or heating capacity is increased. Therefore, the situation of uneven cold and heat on the two sides of the room is reduced. The invention further discloses a device for adjusting air outlet of the air conditioner, the air conditioner and a storage medium.

The invention relates to the technical field of refrigeration, in particular to a low-temperature refrigerator and a refrigeration method. Comprising a shell, the shell is filled with a working medium, the shell is fixedly connected with a bearing seat, the shell is slidably connected with a first moving part and a second moving part, and a hot cavity is formed in the side, away from the bearing seat, in the second moving part; the heat dissipation plates are arranged in the circumferential direction and fixedly connected to the side, close to the heat cavity, of the shell, and grooves are formed in the heat dissipation plates at intervals; the guide mechanism is arranged in the shell and used for guiding the first moving part; and the heat preservation mechanism is arranged in the shell. The grooves are used for guiding passing airflow, so that the flow state of the airflow is changed, the contact state between the airflow and the heat dissipation plate is changed, the contact area between the airflow and the heat dissipation plate is increased, the heat exchange time between the airflow and the heat dissipation plate is prolonged, the heat dissipation effect is improved, and then the refrigeration effect of the refrigerator is improved.

This invention relates to the field of drinking water equipment control technology, specifically disclosing a refrigeration system and a drinking water device. The refrigeration system includes: a temperature sensor mounted on the base of the drinking water device for detecting the temperature of the environment in which the drinking water device is located; a refrigeration unit including a compressor mounted on the base; and a control device connected to both the temperature sensor and the compressor. The control device controls the compressor to perform an ice-making operation at a first operating frequency based on the temperature information. After the ice-making operation is completed, if no cold water or ice-retrieving command is received within a first preset time period, the control device controls the compressor to operate at a second operating frequency. The second operating frequency is lower than the first operating frequency to achieve energy saving, reduce the refrigeration power consumption and cost of the drinking water device, and improve the user experience.

The utility model relates to the technical field of compressor dryers, in particular to a single-screw natural gas compressor dryer. The device comprises a box body, a fan is mounted on one side of the inner wall of the box body, a mounting plate is fixedly connected to one side of the fan, and a condensation pipe is fixedly connected to one side of the mounting plate. Comprising fixing frames arranged on the two sides of a condensation pipe, a circular ring arranged on one side of the fixing frames, a circular groove formed in the lake surface in the circular ring, an air bag arranged in the circular groove, sponge arranged on one side of the air bag and a driving mechanism arranged on one side of a mounting plate and used for driving the fixing frames to move in a reciprocating mode. The protection assembly is used for pipeline heat dissipation, and the problems that when a fan is used for cooling a condensation pipe to blow the surface of the condensation pipe, surrounding dust enters the interior of a compressor dryer along with airflow when the fan blows, so that the dust is possibly attached to the condensation pipe, the dust is not cleaned for a long time, and the refrigeration effect that the fan possibly blows the surface of the condensation pipe is reduced are solved.

The invention discloses a low-dew-point heat energy closed-loop energy-saving dehumidification system which comprises a regeneration precooler and a regeneration preheater. The regeneration separator is used for separating the gaseous state and the liquid in the fluid; the regeneration compression pump is used for driving fluid to flow; a first circulating pipeline is arranged between the regeneration precooler and the regeneration preheater; the first circulation pipeline is sequentially communicated with the regeneration precooler, the regeneration separator, the regeneration compression pump, the regeneration preheater and the regeneration precooler to form a closed loop circulation pipeline. Heat energy in front of the return air surface cooler is recycled and transferred to regeneration heating and air supply heating, so that the load and energy consumption of return air surface cooler, regeneration heating and air supply heating are reduced, and the purpose of saving energy is achieved. The flow of the fluid is accurately detected and adjusted in real time through the sensor, the temperature of the fluid flowing in and out of each component is accurately controlled, and heat loss is reduced to the minimum.

This utility model discloses an air conditioning and ventilation system for a ship's energy storage battery compartment, including a fresh air component, a temperature control component, an air supply component, a data acquisition component, and a control box. The air inlet of the fresh air component is connected to the outside, and the air outlet of the fresh air component is connected to the air inlet of the temperature control component. The air inlet of the air supply component is connected to the energy storage battery compartment, and the air outlet of the air supply component is connected to the outside. The control box is electrically connected to the fresh air component, the temperature control component, and the air supply component through the data acquisition component. The temperature control component includes two independent air conditioners, and the air supply ducts of the two independent air conditioners form a ring-shaped air conditioning air supply duct around the energy storage battery module. Multiple air supply outlets are spaced apart on the ring-shaped air conditioning air supply duct. The two independent air conditioners are electrically connected to the control box. This utility model's air conditioning and ventilation system for a ship's energy storage battery compartment can easily switch modes according to different scenarios, ensuring the normal and safe operation of the energy storage batteries on the ship.

An energy-saving dehumidification device capable of accurately controlling temperature and relative humidity belongs to the technical field of air conditioners and comprises a box body, an air inlet, an air supply outlet, a heat pipe heat exchange assembly, a refrigeration heat exchanger and an air feeder. The heat pipe heat exchange assembly is arranged on the inner side of the air inlet and comprises a plurality of U-shaped three-dimensional heat pipes, each U-shaped three-dimensional heat pipe comprises a pre-cooling section, namely an evaporation end, a heat conduction section and a reheating section, namely a condensation end, which are communicated in sequence, the pre-cooling section is arranged on the left side of the U-shaped three-dimensional heat pipe, and the reheating section is arranged on the right side of the U-shaped three-dimensional heat pipe; the heat conduction section is arranged at the bottom of the U-shaped three-dimensional heat pipe and is a connecting section of the pre-cooling section and the reheating section; a concave part is arranged between the pre-cooling section and the reheating section, the refrigeration heat exchanger is arranged in the concave part, one end of the refrigeration heat exchanger is connected with the evaporation end, and the other end of the refrigeration heat exchanger is connected with the condensation end, so that the energy-saving dehumidification heat pipe is formed; the air feeder is arranged on the inner side of the air supply outlet. The energy-saving dehumidification device has the beneficial effects that the temperature and the relative humidity are accurately controlled, and energy-saving dehumidification is realized.

The noise reduction structure of the air conditioner outdoor unit comprises a noise reduction isolation structure and a flow division noise reduction structure, the upper surface of the flow division noise reduction structure is connected with a drainage extension pipe, and sound insulation structures are fixedly installed on the inner side surfaces of the flow division noise reduction structure and the drainage extension pipe. The upper end of the drainage extension pipe is fixedly provided with a rain shielding top, and the noise reduction isolation structure comprises an isolation mesh fence and an inclined mesh plate. According to the noise reduction structure of the air conditioner outdoor unit, the heat exchange gas can be led into the air flowing above the noise reduction isolation structure to exchange heat for the heat exchanger in the air conditioner outdoor unit, so that the phenomenon that the heating or refrigerating effect is reduced due to internal circulation caused by the fact that the air inlet and the air outlet of the air conditioner outdoor unit are both formed in the inner side of the noise reduction isolation structure is avoided; and the air inlet end opening of the air conditioner outdoor unit is covered with the flow division noise reduction structure, sound insulation and noise reduction are conducted through the sound insulation structure, and therefore the noise reduction effect is better achieved.

The invention provides a combined air conditioning unit. The combined air conditioning unit comprises a fresh air and return air mixing section, a primary and medium efficiency filtering section, a middle section, a U-shaped heat pipe, an electric heating section, a humidifying section, an air feeder section and an air feeding section which are sequentially arranged. The U-shaped heat pipe comprises a heat pipe pre-cooling section, a heat pipe reheating section and a pipeline, the heat pipe pre-cooling section and the heat pipe reheating section are connected through the pipeline, the heat pipe pre-cooling section is closer to the primary and medium efficiency filtering section, and the heat pipe reheating section is closer to the electric heating section; an electromagnetic valve is arranged on the pipeline; and a surface cooling water retaining section is arranged between the heat pipe pre-cooling section and the heat pipe reheating section. According to the combined air conditioning unit, the problem of supercooling and reheating can be solved, and the energy consumption of an air conditioner can be effectively reduced.

The utility model discloses a device for preventing a refrigeration plate of an air conditioner from freezing, which relates to the technical field of refrigeration and comprises a refrigeration plate, a filter screen is mounted on the refrigeration plate, driving mechanisms are arranged on two sides of the refrigeration plate, one side of each driving mechanism is fixedly connected with a sliding mechanism, and each sliding mechanism is fixedly connected with a cleaning mechanism. The cleaning mechanism is driven to move through the driving mechanism, the cleaning mechanism can be driven to do reciprocating motion to deice and clean the refrigeration plate through forward and reverse rotation of the driving wheel, the sliding block is driven to move on the sliding rail through the sliding mechanism, and therefore the cleaning mechanism can be driven to move on the refrigeration plate to conduct deicing and cleaning, and the brush is driven to rotate through the cleaning mechanism. And meanwhile, the sweeping mechanism can do reciprocating motion on the refrigeration plate through the sliding mechanism and the driving mechanism, continuous and efficient sweeping and deicing are carried out, the situation that the refrigeration effect of the air conditioner is weakened due to freezing and defrosting on the refrigeration plate is prevented, and other elements in the air conditioner cannot be damaged.

The invention provides an evaporator assembly, a machine room air conditioner and a control method of the machine room air conditioner, relates to the technical field of air conditioners, and solves the technical problem of high energy consumption of the air conditioner due to the fact that a compressor is frequently started and stopped to keep a room temperature state in the prior art. The evaporator assembly, the machine room air conditioner and the control method of the machine room air conditioner comprise a heat exchanger body and an evaporator structure, the evaporator structure comprises at least one evaporator body, the heat exchanger body is movably arranged on the evaporator structure so that the heat exchanger body can be arranged on an air outlet, and inlet air exchanges heat through the heat exchanger body; or the heat exchanger main body and the at least one evaporator main body are arranged on the air outlet, and the inlet air exchanges heat with the at least one evaporator main body through the heat exchanger main body. The invention provides an evaporator assembly, a machine room air conditioner and a control method of the machine room air conditioner.

The application discloses a battery lower box, a battery box, a battery pack and a vehicle. The battery lower box comprises a shell and a flow channel plate. The shell comprises a bottom shell wall and a side shell wall arranged on the side of the bottom shell wall. The flow channel plate is a non-metal flow channel plate. The flow channel plate is located on the side of the bottom shell wall away from the side shell wall, and the flow channel plate is fixedly connected with the bottom shell wall. The battery lower box can reduce the weight and improve the thermal management effect on the battery cell through structural optimization.

The invention discloses a control method of a heat pump system, the heat pump system and a storage medium. The heat pump system comprises a main refrigerant path and a branch refrigerant path, the main refrigerant path comprises an indoor unit and an outdoor heat exchanger, the indoor unit comprises an indoor heat exchanger and a first control valve, and the branch refrigerant path comprises an energy storage device and a second control valve. The first control valve is controlled to operate at the opening degree smaller than the first preset opening degree, the second control valve is controlled to operate at the opening degree larger than the second preset opening degree, and the high-pressure temperature of the heat pump system is obtained; determining a target rotating speed of an outdoor fan corresponding to the outdoor heat exchanger according to the high-pressure temperature; controlling the outdoor fan to operate according to the target rotating speed; wherein the preset operation state comprises the fact that the indoor unit is in the refrigeration state and in the preset air feeling mode, and the air outlet speed, corresponding to the preset air feeling mode, of the indoor unit is smaller than the preset air speed. The invention aims to reduce the condensation risk of the indoor unit and improve the operation stability of the system.

The application provides an air conditioner aromatherapy switch control method and device, an air conditioner and a storage medium. The air conditioner is provided with an aromatherapy component. The air conditioner aromatherapy switch control method comprises the following steps: when the air conditioner receives an aromatherapy opening instruction or receives an aromatherapy closing instruction, recording a first air outlet wind speed W1 of the air conditioner; modulating the air outlet wind speed of the air conditioner to a second air outlet wind speed W2, and the second air outlet wind speed W2 is less than the first air outlet wind speed W1; after a first preset time T1 when the aromatherapy component is completely opened or the aromatherapy component is completely closed, adjusting the air speed of the air conditioner back to the first air outlet wind speed W1. The application prevents the aromatherapy from directly blowing on the user.

The invention relates to the technical field of air conditioners, particularly provides a control method of an air conditioner, and aims to solve the problem of how to improve the noise reduction effect while guaranteeing the refrigerating or heating effect of the air conditioner. In order to achieve the purpose, the control method of the air conditioner comprises the steps that the real-time noise value of an outdoor unit is obtained; and based on the real-time noise value, selectively adjusting the frequency of the compressor, the opening degree of the electronic expansion valve and the rotating speed of the outdoor fan or adjusting the frequency of the compressor and the opening degree of the electronic expansion valve so as to reduce the noise of the air conditioner. According to the control method of the air conditioner, when the real-time noise value is relatively large, noise can be rapidly reduced so as to prolong the service life of the air conditioner and reduce energy consumption, when the real-time noise value is relatively small, noise is prevented from being too large in advance, meanwhile, the rotating speed of an outdoor fan is not adjusted so as to guarantee the heat exchange efficiency of the air conditioner, and the service life of the air conditioner is prolonged. And the influence on the refrigerating or heating effect is reduced, so that the refrigerating or heating effect of the air conditioner is guaranteed, and meanwhile, the noise reduction effect is improved.

The invention belongs to the technical field of foamed plastics, and particularly relates to a foamed product and a processing technology and device thereof.The foamed product comprises an extruder barrel, an extrusion screw is rotationally installed in the extruder barrel, the foamed product further comprises a dispersing and adding assembly, and the dispersing and adding assembly is installed on the extruder barrel; the dispersing and adding assembly is used for dispersing and adding a foaming agent into polyolefin; by arranging the dispersing and adding assembly, foaming agent particles are conveyed through the conveying needles which are small in diameter and are uniformly dispersed, then the foaming agent particles are retained in the insertion holes formed by the conveying needles, and the dispersing degree of the foaming agent particles during adding can be effectively enhanced by increasing the density and the dispersing degree of the insertion holes; the stirring and mixing effects of the extruder barrel and the extrusion screw rod are matched, so that the dispersion uniformity of the foaming agent particles in the raw materials can be effectively enhanced, and the bubbles in the prepared foaming product are uniformly dispersed.

The utility model discloses an energy storage liquid cooling unit with a precooling system, which relates to the technical field of liquid cooling hosts and comprises a unit shell, an electric control unit is arranged in the unit shell and connected with a refrigeration module, the refrigeration module is provided with a refrigerator, the refrigerator is provided with a refrigerator frame, and the precooling system is connected with the refrigerator frame. A precooler and a condenser which are attached to each other are arranged in the refrigerator frame, and the width of a fin of the refrigerator is the sum of the width of the fin of the precooler and the width of the fin of the condenser. The precooler and the condenser adopt the same fin type structural design, the heat exchange area of the precooler and the condenser can be increased when the precooler and the condenser are independently used, and the condensing pressure of the refrigerating system can be further reduced under the high-temperature working condition and the precooling condition.

The invention relates to a test system, a temperature control method thereof and a control device. The temperature control method comprises the steps of obtaining a test set temperature and a preset temperature threshold value of a test station, and determining whether a control valve is in an open state or a cut-off state based on the test set temperature and the preset temperature threshold value of the test station; when the control valve is in the open state, the actual test temperature of the test station and the first set temperature and the first actual temperature of the first station are obtained; if the actual test temperature reaches the set test temperature and the first actual temperature reaches the first set temperature, acquiring a test heating duty ratio and a test duty ratio threshold value of the test heating module; if the test heating duty ratio is smaller than the test duty ratio threshold value, the control valve is adjusted to enable the test heating duty ratio to be larger than or equal to the test duty ratio threshold value; and if the test heating duty ratio is greater than or equal to the test duty ratio threshold value, the test station and the first station enter a working state.

The utility model discloses a vehicle-mounted refrigerator and a vehicle. The vehicle-mounted refrigerator comprises a refrigerator body, a drawer and a driving mechanism. The box body is provided with a refrigeration cavity. The drawer is movably arranged in the refrigeration cavity. And the driving mechanism is arranged outside the refrigeration cavity and is in transmission connection with the drawer. The driving mechanism is used for driving the drawer to move relative to the box body in the drawing direction. According to the vehicle-mounted refrigerator, on one hand, the risk that the refrigeration cavity is communicated with the outside is reduced, the refrigeration and heat preservation performance of the vehicle-mounted refrigerator is improved, the power consumption is low, and the influence of the driving mechanism on the refrigeration and heat preservation performance of the refrigeration cavity is reduced; and on the other hand, the intelligent function of the vehicle-mounted refrigerator is achieved, operation is easy, a user can take articles more easily, and the push-out and retraction stability of the drawer is improved.