159 results about "Refrigeration temperature" patented technology

The invention relates to an ice crystal evaporator and an ice crystal water cooling device producing from the same, belonging to the technical field of refrigeration. The ice crystal evaporator is characterized in that a liquid inlet channel is formed by an evaporator tube, a liquid inlet and a liquid outlet in a tubular casing; and the outer channel of the evaporator tube of the tubular casing is divided into more than one S-shaped channel forming a water return channel through a water inlet of a water divider and a water outlet of a water collector. The ice crystal water cooling device is characterized in that the return air inlet of the ice crystal evaporator is communicated with a compressor, a condenser, a liquid feeding valve, a dry filter, a liquid feeding electromagnetic valve anda thermostatic expansion valve in sequence, and then is communicated with the liquid inlet of the ice crystal evaporator; a cooling water inlet / outlet of the condenser is connected with a cooling tower in series; and a water inlet / outlet of the ice crystal evaporator is communicated with a water circulating pump and an ice crystal energy storage tank in series. The invention has the advantages ofhigh cooling efficiency, no icing and low cooling temperature and is suitable for production of energy storage central air-conditioning, marine fishing, seafood processing, fruit, vegetable or meat processing, and the like; the cooled medium is municipal water.

The invention discloses a preparation method of omega-3 fatty acid ethyl ester 90 soft capsules, which comprises the following steps: 1) preparing raw materials and auxiliary materials: weighing gelatin, glycerol, purified water and omega-3 fatty acid ethyl ester 90 according to prescription dosage for later use; (2) preparing a glue solution, namely heating purified water to 80 DEG C, sequentially adding glycerol and gelatin for capsules, stirring until the gelatin for capsules is melted, carrying out vacuum stirring and degassing for more than 30 minutes, and standing and degassing for 30-60 minutes; 3) pelleting: adjusting the temperature of a capsule box, the temperature of a spraying body, the rotating speed of a main shaft and the refrigeration temperature of a roller, adjusting the thickness of a wet capsule skin, adding the omega-3 fatty acid ethyl ester 90 prepared in the step 1) into a hopper, and starting pelleting; and 4) drying: controlling the temperature of a drying chamber at 10-30 DEG C, controlling the humidity below 40%, and drying until the water content of the capsule skin is less than 13% to obtain the omega-3 fatty acid ethyl ester 90 soft capsule, the process is simple, and the prepared omega-3 fatty acid ethyl ester 90 soft capsule has good disintegration effect and stable performance.

The invention discloses a full-dynamic-pressure turbine type low-temperature refrigerating device and method. The device comprises a two-stage centrifugal compressor, a heat exchanger, a low-temperature turbine expander, a gas storage tank, a filter, a valve, a water cooling machine and a cold using device. Closed circulation is adopted in the device, and the whole device is integrated into a skid-mounted device to output cooling capacity outwards. The device adopts a full-dynamic-pressure turbine type structure and is supported by a gas bearing; the low-temperature turbine expander and the low-temperature heat exchanger are in a heat insulation environment; the low-temperature turbo expander adopts pressurization braking or fan braking; a three-stage integrated heat exchanger or a separated heat exchanger is adopted for skid-mounting; the skid-mounted system comprises a charging mode and a non-charging mode. The whole device runs without oil, and is clean and environment-friendly; the integration level of the system is greatly improved through the three-stage integrated heat exchanger and the skid-mounted structure; different braking modes are set, so that the applicability of the device is improved; the refrigerating temperature and the refrigerating capacity can be accurately controlled through the full-pressurization mode, the partial-pressurization mode and the bypass valve.

The application provides a downhole while-drilling active refrigeration temperature difference power generation device and a downhole power generation system, and relates to the field of energy sources.The downhole while-drilling active refrigeration temperature difference power generation device comprises a power transmission module, a refrigeration module, a thermal management module, a while-drilling instrument electric control module and a power generation module; the power transmission module is magnetically coupled with the refrigeration module, and is used for driving the refrigeration module to generate cold energy by taking downhole fluid as a motive energy source; the thermal management module transmits cold energy to the power generation module; the power generation module comprises at least one temperature difference power generation sheet, is connected in series with the while-drilling instrument electric control module, is used for generating power by using a temperature difference, and supplies power to the while-drilling instrument electric control module and while-drilling instruments carried by the while-drilling instrument electric control module. Through the application, the temperature difference power generation method can be used to stably generate power in a downhole environment, and the effect of providing stable electric energy for while-drilling instruments can be achieved.

The invention discloses an energy-saving refrigeration control method and device, a cold chain system and a storage medium. The energy-saving refrigeration control method comprises the steps that a refrigeration target temperature range is obtained; the environment temperature is obtained, when the environment temperature is higher than the environment temperature threshold value or the real-time time is beyond the energy-saving time period, the refrigeration module is controlled to operate in a first working mode, and the operation power is adjusted to control the refrigeration module to continuously operate so that the refrigeration temperature can be within the refrigeration target temperature range; when the environment temperature is lower than the environment temperature threshold value and the real-time time is within the energy-saving time period, the refrigeration module is controlled to operate in a second working mode, the refrigeration module refrigerates the storage cavity so that the refrigeration temperature can reach the temperature lower limit value, and when the refrigeration temperature reaches the temperature lower limit value, the refrigeration module is controlled to stop operating, and when the refrigeration temperature rises to the temperature upper limit value, the refrigeration module is controlled to start operation until the refrigeration temperature reaches the temperature lower limit value, it is guaranteed that the storage cavity provides the proper refrigeration temperature, meanwhile, energy consumption is reduced, and the service life of the energy storage module is prolonged.

The application discloses a kind of based on the refrigeration temperature control safety redundancy switching method of drug heat-sensitive characteristics, comprising the following steps: S1, construct and train drug heat damage cumulative prediction model, determine model core parameter and each input feature weight;S2, obtain the heat-sensitive characteristic image parameter set of refrigerated drug and the real-time operation data of refrigeration space;S3, through the prediction model, parameter set and real-time operation data, the cumulative value of drug heat damage is calculated in real time, and the present application relates to the field of drug cold chain storage technology.This kind of based on the refrigeration temperature control safety redundancy switching method of drug heat-sensitive characteristics, when heat damage evolution trajectory approaches safety boundary, standby loop is started in advance and is non-disturbance pipe connection, avoid drug temperature anomaly, guarantee refrigeration continuous stability, accurately control parameter in switching, control temperature fluctuation deviation in threshold, reduce the influence on drug, improve the reliability and safety of refrigeration system.

The application discloses an air conditioner refrigeration and heat supply system based on a siphon principle and a running method thereof. The system comprises a refrigerant water system, a refrigerant steam system and a liquid level adjusting device for adjusting a refrigeration temperature. The refrigerant water system comprises a high-position water tank, a siphon starting pump, an evaporation container, a low-position water tank and a heat absorbing device for providing heat required by refrigerant evaporation. The running method comprises three processes of refrigerant water siphon decompression, heat absorbing evaporation and steam compression discharge. The application completely gets rid of the bondage of traditional "four refrigeration components", provides a simpler and more feasible structure form, and can be used as a cold water unit, a water source or air source heat pump and a cold and heat combined supply unit. The application has the characteristics of simple structure, low construction cost and one machine with multiple uses. Since water is used as the refrigerant, the application has the advantages of environmental friendliness, energy saving and emission reduction. Compared with a traditional steam compression cycle refrigeration method, the application has a wider refrigeration temperature range, a higher heat supply grade and a larger theoretical refrigeration coefficient.

The utility model discloses a novel combined type heat exchange system, and relates to the technical field of vehicle-mounted refrigeration. The system comprises a main refrigerating part, an energy storage part and a refrigerating part, wherein the main refrigerating part utilizes a cold source and a cold storage medium in the energy storage body to refrigerate or store cold; and the secondary refrigeration part comprises a semiconductor refrigeration piece. The cold end of the semiconductor refrigeration piece is coupled to the air flow path or the energy storage body of the system to provide supplementary or deep refrigeration, and the hot end of the semiconductor refrigeration piece dissipates heat through the heat dissipation structure. Preferably, the heat dissipation structure is immersed in the cold storage medium, and the cold storage medium is used for absorbing heat of the hot end. The main refrigerating part and the secondary refrigerating part are combined, heat management of the secondary refrigerating part is optimized, higher refrigerating capacity is achieved, and the requirement for lower refrigerating temperature can be met.

This utility model discloses a novel composite heat exchange vehicle-mounted refrigerator, relating to the field of vehicle-mounted refrigeration technology. It includes a housing, a novel composite heat exchange system, and a control system. The novel composite heat exchange system includes: a main refrigeration unit, utilizing a cold source and a cold storage medium within an energy storage body for refrigeration or cold storage; and a secondary refrigeration unit, including a semiconductor refrigeration element. The cold end of the semiconductor refrigeration element is coupled to the system's airflow path or energy storage body to provide supplementary or deep refrigeration, while its hot end dissipates heat through a heat dissipation structure. The heat dissipation structure is immersed in the cold storage medium, utilizing the cold storage medium to absorb heat from the hot end. This utility model, by combining the main refrigeration unit and the secondary refrigeration unit and optimizing the thermal management of the secondary refrigeration unit, achieves stronger refrigeration capacity and can meet lower refrigeration temperature requirements.

The utility model discloses building material freezing resistance detection equipment which comprises a cabinet body, and a refrigeration cavity and a plurality of placement cavities are formed in the cabinet body; a loading box is slidably connected into each placing cavity, and the rear end of each loading box is connected with a first insertion pipe and a second insertion pipe; a cold supply pipe and a cold return pipe are arranged in the cabinet body, and the upper ends of the cold supply pipe and the cold return pipe are communicated with the refrigeration cavity; the detection efficiency and reliability are improved through the circulating refrigeration system, the double-cavity design is adopted, the motor is used for driving the fan to force air circulation, a closed loop of the first cavity, the cold supply pipe, the loading box, the cold return pipe and the second cavity is formed, it is guaranteed that cold air is evenly distributed to all the detection units, efficient energy utilization is achieved through heat exchange, and the detection efficiency and reliability are improved. Convection of cold and hot air is effectively enhanced, and the refrigeration temperature is more balanced.

The invention relates to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle garage humidity control method and device, an air conditioner, a medium and a product, the air conditioner is arranged in an unmanned aerial vehicle garage and used for refrigerating and dehumidifying the unmanned aerial vehicle garage, and the method comprises the steps that the working mode of the air conditioner is monitored; in response to the fact that the working mode of the air conditioner is monitored to be the refrigeration mode, the refrigeration starting temperature and the corresponding refrigeration stopping temperature of the refrigeration mode are obtained, and the refrigeration temperature in the unmanned aerial vehicle garage is detected; based on the corresponding relation between the refrigeration temperature and the refrigeration time, the refrigeration temperature change rate within the refrigeration duration time is determined; based on the refrigeration temperature change rate, the dehumidification mode starting temperature is determined; in response to the detected refrigeration temperature reaching the dehumidification mode starting temperature, the air conditioner is controlled to start the dehumidification mode; the starting temperature of the dehumidification mode is calculated through the temperature change rate in the refrigeration process, so that the time node of starting the dehumidification mode is judged, and the situation that the humidity in the unmanned aerial vehicle garage does not jump is achieved by starting the dehumidification mode in advance.

The present application relates to the technical field of frozen workshop control, in particular to a constant temperature control method, system and device applied to a frozen workshop. The present application firstly obtains a temperature anomaly coefficient according to local time sequence fluctuation of refrigeration temperature of a refrigeration device, and preliminarily determines a regulation and control instruction in combination with deviation thereof; analyzes a change relationship between a refrigeration temperature difference and a refrigeration power of the refrigeration device to be judged, and a difference in temperature anomaly coefficients corresponding to different refrigeration devices, and screens out a specific refrigeration device, so as to re-determine the regulation and control instruction according to time sequence fluctuation characteristics of the refrigeration temperature, the refrigeration temperature difference and the refrigeration power. The present application firstly analyzes fluctuation change of the refrigeration temperature of the refrigeration device and deviation from a target, and further comparatively analyzes different refrigeration devices to evaluate refrigeration performance, so as to accurately evaluate regulation and control necessity of the refrigeration device and determine the regulation and control instruction for constant temperature regulation and control, thereby avoiding frequent regulation and control of the whole, and improving constant temperature regulation and control effect.

1. The name of the design product: low-temperature surgical system host (RY-300). 2. The use of the design product: for controlling refrigerant and heat medium, real-time display of refrigeration temperature, monitoring the pressure of refrigerant and heat medium, controlling disposable sterile cryoablation needle, realizing the effect of freezing and heating, and then ablating the target tissue. 3. The design points of the design product: in the external shape of the product. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to a refrigeration method combining air cooling and a desktop cold radiation panel. The refrigeration method comprises the following steps that S1, vital signs of a user are collected; judging a metabolism active state and adding an identifier, and generating a metabolism active state identifier; judging a heat dissipation demand in combination with the level of the metabolic active state, and generating a heat dissipation demand result; generating a refrigeration control instruction of the cold radiation panel; s2, preset temperatures and distribution positions in the refrigeration control instruction are extracted, and a first preset temperature matrix is formed according to the preset temperatures and the distribution positions; performing reverse transverse movement calculation on the first preset temperature matrix to obtain a second preset temperature matrix; smoothing the second preset temperature matrix to form a third preset temperature matrix; the first preset temperature matrix and the third preset temperature matrix are subjected to weighted fusion according to cooling capacity attenuation of the air-cooled air conditioner, and a target preset temperature matrix is obtained; and the refrigeration temperature of the cold radiation panels is controlled.

The invention relates to the technical field of intelligent equipment, and discloses a method, device and equipment for controlling a compressor of refrigeration equipment and a storage medium. The refrigeration equipment comprises a refrigeration chamber and a freezing chamber, and the method comprises the steps that under the condition that a compressor is in a running state, the first current refrigeration temperature of the refrigeration chamber is obtained; under the condition that the first current refrigeration temperature is larger than or equal to the starting temperature, a compressor is controlled to conduct refrigeration operation on a refrigeration chamber; and under the condition that the first current refrigeration temperature is smaller than or equal to the shutdown temperature, the compressor is controlled to conduct refrigeration operation on the freezing chamber. Therefore, the variable-frequency compressor can perform refrigeration operation by switching different chambers without shutdown for a long time, non-shutdown energy-saving control of the variable-frequency compressor is realized, and resources are saved.

The utility model discloses an atomization refrigeration device which comprises an air duct, a first water curtain, an evaporator, at least one second water curtain, a spraying device and a strong exhaust fan. Wherein the first water curtain is arranged in the air duct; the evaporator is adjacent to the first water curtain; the second water curtain is arranged in the air duct and is adjacent to the evaporator; the spraying device is connected with the first water curtain and the second water curtain and used for moisturizing the first water curtain and the second water curtain. And the strong exhaust fan is communicated with the air outlet of the air duct. According to the utility model, a multi-stage atomization effect is realized while refrigeration is carried out, and the granularity of water molecules is smaller, so that the refrigeration temperature and humidity of foods such as fruits, vegetables and the like are more uniform, the pre-cooling speed is greatly improved, and the storage time of the foods is prolonged.

The invention relates to a control circuit for marine refrigeration hot gas defrosting and a control method thereof, a multifunctional controller, a defrosting starting circuit, a gas supply / return electrifying delay circuit, an air cooler operation circuit and an electronic temperature controller are connected in parallel on a control power supply, and each circuit realizes logic linkage and interlocking through elements such as a relay contact and a delay relay; according to the control method, a time and temperature double-trigger defrosting starting mode is adopted, and air supply / air return time sequence control, defrosting and cold air interlocking, overload protection, bottom defrosting and fault alarm stepped response mechanisms are matched. The problems that an existing marine refrigeration hot gas defrosting system is extensive in control, unreliable in interlocking, incomplete and insufficient in defrosting response, lagged in fault response and the like are solved, defrosting can be accurately regulated and controlled, the defrosting reliability and the refrigeration temperature control precision are improved, and stable operation of marine refrigeration equipment is effectively guaranteed.

The invention discloses a temperature adjusting system which comprises a vortex tube refrigerating assembly, a heater, a temperature control environment box, a heat regenerator and a gas pipeline. A first flow path and a second flow path are arranged on the gas pipeline in parallel, the first flow path is directly communicated with the gas inlet end and the gas outlet end of the gas pipeline, the second flow path is arranged in the heat regenerator in a penetrating mode, and a valve set for controlling the first flow path and the second flow path to be connected and disconnected is arranged on the gas pipeline. A parallel double-flow-path structure capable of being mechanically switched is innovatively arranged in a gas pipeline, so that the system can be flexibly selected between two efficient working modes: when a first flow path is selected, gas of a gas source directly enters a temperature adjusting unit, and the system runs at the maximum cooling rate; when the second flow path is selected, the gas firstly flows through the heat regenerator, exchanges heat with low-temperature exhaust gas from the temperature control environment box to be pre-cooled, and then enters the temperature adjusting unit, so that the refrigeration temperature limit is broken through on the premise that the gas source load is not increased, and the energy efficiency is improved.

The utility model discloses a kind of liquid backflow structures of fumigation and therapy capsules, comprising: water tank, water pump, refrigeration module, capsule and control valve;The water tank is connected with the water pump by first pipeline, the water pump is connected with the refrigeration module by second pipeline, the refrigeration module is connected with the capsule by third pipeline, the capsule is connected with the first pipeline by fourth pipeline, control valve is equipped on the fourth pipeline, and the control valve is used to adjust the flow and pressure of backflow liquid.This scheme is mainly to re-optimize the circulation path of liquid in pipeline layout, so that the low-temperature liquid no longer passes through the water tank on the capsule backflow path, but directly backflows to the water pump, so that the temperature difference between the inflow liquid and outflow liquid of the refrigeration module itself can be reduced, so that the same refrigeration temperature can be reached, the refrigeration time can be shortened and the effect of reducing power consumption.

The embodiment of the invention provides a rotating speed control method and device of a liquid cooling fan, equipment and a storage medium. The method comprises the following steps: acquiring cell temperatures corresponding to a plurality of energy storage batteries in the energy storage system; if the maximum cell temperature of the plurality of energy storage batteries is greater than or equal to the preset refrigeration temperature, determining a first temperature difference between the maximum cell temperature and the preset refrigeration temperature; according to the first temperature difference, determining a target duty ratio corresponding to the liquid cooling fan from a pre-stored mapping relation between the temperature difference and the duty ratio; and the liquid cooling fan is controlled to operate at the target duty ratio, and the rotating speed of the liquid cooling fan is controlled by controlling the duty ratio of the liquid cooling fan. According to the rotating speed control method, on the premise that safe operation of the energy storage system is guaranteed, collaborative optimization of the energy efficiency and the heat dissipation effect is achieved, and therefore the overall operation efficiency of the liquid cooling draught fan is improved.

The utility model discloses a refrigeration device and a freezer with the refrigeration device, and the refrigeration device utilizes cold air in the freezer main body to create a refrigeration environment, and comprises: a shell, the shell is used to set up at the top of freezer main body, and a refrigeration space is formed in the shell; a cooling channel, the air inlet of cooling channel is used to communicate with the inside of freezer main body, and the air outlet of cooling channel communicates with the refrigeration space to convey the cold air in freezer main body to the refrigeration space by cooling channel. The utility model utilizes the cold air in the freezer to create a refrigeration environment, realizes the refrigeration function on the basis of reserving the original freezing function of the freezer, and can display the refrigerated articles and real-time monitor and adjust the refrigeration temperature, so that the function and application scene of the freezer are more abundant.

To provide a water-in-silicone composition which is opaque at normal temperature and transparent at refrigeration temperature.SOLUTION: The present invention relates to a water-in-silicone composition that becomes transparent at refrigeration temperature, and more specifically, the composition comprises an aqueous phase and a silicone phase, wherein the difference in refractive index between the aqueous phase and the silicone phase at room temperature is 0.003 to 0.004, and the composition is opaque at room temperature. Since the composition is transparent at a refrigeration temperature, the temperature of the composition can be visually confirmed, and furthermore, when the composition is used after refrigeration storage, the composition can give a refreshing feeling and a refreshing feeling not only to the touch but also visually.SELECTED DRAWING: Figure 1

The invention provides a TEC self-adaptive anti-condensation heat dissipation control method and device, a medium and a product, and the method comprises the following steps: obtaining and calculating the environment temperature and humidity of the device and the refrigeration surface temperature of a TEC module in real time, calculating the real-time dew-point temperature through a preset dew-point model, determining a first temperature threshold value in combination with a safety temperature margin, and calculating the temperature of the refrigeration surface of the TEC module according to the first temperature threshold value; and a buffer difference value is added to obtain a higher second temperature threshold value. When the refrigeration surface temperature is higher than a second threshold value, a first driving current is determined through negative feedback logic based on the difference value between the real-time temperature and the target refrigeration temperature; when the temperature is between the two threshold values, the difference value between the real-time temperature and the first threshold value is multiplied by the proportionality coefficient to obtain the second driving current. By implementing the method, the TEC driving current can be dynamically adjusted according to the environmental condition and the equipment operation state, the heat dissipation effect is optimized on the premise of ensuring no condensation, the self-adaptive balance of anti-condensation and heat dissipation performance is realized, the operation stability and the use reliability of the computing equipment are effectively improved, and the service life of the equipment is prolonged.

The invention belongs to the technical field of refrigerating and freezing equipment, and provides a cooling capacity transmission mechanism which comprises a container and a compressor, the container is used for being filled with fluid, and the fluid is liquid which is not frozen within the refrigerating temperature range of a refrigerator; the container is connected with an inlet and outlet pipeline, and the inlet and outlet pipeline is used for forming a closed circulating flow channel which passes through a cooling capacity transmission target and conveys the fluid; the compressor is connected to the container through a cooling pipe and used for refrigerating fluid in the container. The invention further provides a refrigerator with the cooling capacity transmission mechanism. The technical problems that in the prior art, an adopted compression type refrigeration scheme has high requirements for pipelines, heat preservation, high pressure and the like, and meanwhile the risk of refrigerant leakage exists are solved.

The present disclosure provides a refrigerator temperature control system, method and refrigerator, relating to the technical field of refrigerator temperature control. The refrigerator temperature control system comprises a collection terminal and a processing terminal. The collection terminal is used to collect a plurality of temperature and humidity data of a refrigeration path and an environment in which the refrigerator is located in a historical period, and label data of the environment; the processing terminal is used to analyze the change characteristics of the plurality of temperature and humidity data to obtain operation state data of the refrigerator; a preset regression model is trained and tested, so that various types of data construct a regression relationship with the historical temperature in the cabinet in the corresponding insensitive band; the current environment data of the refrigerator is input into the trained regression model, and the target cabinet temperature of the refrigerator is obtained based on the output result of the regression model; and the refrigeration temperature of the refrigerator in a future period is controlled according to the target cabinet temperature. The technical scheme formulates different temperature control strategies for different environments, so that the refrigerator realizes adaptive control of temperature in different scenes.

Methods of storage and preservation of photosynthetically active cells and photosynthetic biomaterials are provided herein. Contemplated methods comprise storing the cells and biomaterials at a refrigeration temperature, optionally without light. The stored cells and biomaterials may be placed in a nitrogen containing medium under illumination before use. The chlorophyll content, oxygen consumption rate, oxygen production rate and / or morphology may be substantially preserved throughout the storage and awakening process.

The utility model provides a dilution refrigeration system not limited by gravity, and relates to the field of extremely-low-temperature dilution refrigeration. The dilution refrigeration system not limited by gravity comprises a first-stage pre-cooling device, a second-stage pre-cooling device, a capillary type dilution refrigeration device, a liquid pool circulating device, a dilution recovery device and a dilution air inlet device, wherein the first-stage pre-cooling device comprises a vacuum cover, a GM pulse tube refrigerator, a 40K-stage heat exchanger, a 40K-stage cold shield, a transition heat exchanger and a 4K-stage heat exchanger. Compared with a conventional dilution refrigeration system, the dilution refrigeration system not limited by gravity has the advantages that due to the fact that the multistage capillary tube heat exchanger is adopted, surface tension can be used for replacing gravity to fix a concentrated phase interface and a dilute phase interface, and refrigeration temperature is directly transmitted to a hot end component in a capillary tube winding mode and the like; the interference of a zero-gravity or anti-gravity environment on the conventional dilution refrigeration process is avoided from the source, the influence of the vibration of the refrigeration unit on the hot end is favorably reduced, and part of high-precision application occasions with strict requirements on free installation and vibration interference is met.

The invention provides a control method and device of refrigeration equipment and the refrigeration equipment, and relates to the technical field of refrigeration equipment.The control method of the refrigeration equipment comprises the steps that the current refrigeration temperature, collected by a temperature collecting unit, of a refrigeration chamber and the current freezing temperature, collected by a temperature collecting unit, of a freezing chamber are obtained; determining whether the temperature exchange unit meets working conditions or not based on the current refrigeration temperature and the current freezing temperature; if the temperature exchange unit meets the working condition, a target temperature difference value is determined based on the current refrigeration temperature and the current freezing temperature, and the current rotating speed gear of the temperature exchange unit is determined according to the target temperature difference value; and the temperature exchange unit is controlled to start and operate at the current rotating speed gear, so that the problem of high energy consumption caused by continuous operation or timing control of the temperature exchange unit can be avoided. And meanwhile, the temperature uniformity between a refrigerating chamber and a freezing chamber in the refrigeration equipment can be effectively improved, and the refrigeration effect is improved.

The invention relates to the technical field of refrigeration equipment, and discloses a device for controlling refrigeration equipment, which comprises a first shell, a second shell is arranged at the bottom of the first shell, a control mechanism is arranged in the first shell and the second shell, and a pressurization mechanism is arranged at the top of the first shell. And mounting mechanisms are arranged on the surface of the first shell and the surface of the second shell. According to the device for controlling the refrigeration equipment and the using method, after refrigerant gas is compressed through the control mechanism and the piston cylinder, the high-temperature and high-pressure refrigerant gas is discharged to the valve, power is provided for refrigeration, and therefore the refrigeration cycle of compression-condensation (heat release)-expansion-evaporation (heat absorption) is achieved; according to the refrigeration equipment, the refrigeration temperature of the refrigeration equipment can be effectively controlled, the stability of the refrigeration equipment in the using process is improved, the purpose of supercharging the device can be achieved through the arranged supercharging mechanism and continuous inclination of the check block in the hole groove, and the using effect of the device is improved.

The utility model discloses a movable ice box for a laboratory, which comprises a box body with an inner cavity provided with a refrigerating component and a storage battery, a partition plate and a cooling cavity are arranged on the upper portion of the refrigerating component, and a box body is arranged on the upper portion of the cooling cavity. The box body comprises a first ice bath area provided with a first hole site, a second ice bath area provided with a second hole site and a first expansion hole site, and a third ice bath area provided with a third hole site and a second expansion hole site which are arranged in sequence, and the upper part of the third ice bath area is detachably connected with an expansion ice bath area; the expansion ice bath area is provided with a third expansion hole position matched with the second expansion hole position, and the expansion ice bath area is further provided with a plurality of side plates and a plurality of outer plates which cover the third ice bath area. The device can provide a low-temperature refrigeration function for a long time, does not need to be repeatedly put into a low-temperature refrigerator to be frozen and then used, can set the refrigeration temperature, ensures that the temperature in the centrifugal tube is stable, can be freely moved and operated in a laboratory, ensures that the operation of an experiment is convenient, and ensures that centrifugal tubes with different specifications are stably placed.