267 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 relates to the technical field of glycerin distillation, in particular to a glycerin distillation device with a heat energy recycling function. The device comprises a distillation tower, a condenser, a reflux tank and a compression mechanism connected with the reflux tank, wherein one side of the distillation tower is communicated with a feed pipe, and the top of the distillation tower is communicated with a steam discharge pipe connected with the condenser; one side of the distillation tower is communicated with a reboiler; the condenser has a normal refrigeration temperature and an energy-saving refrigeration temperature, and in the glycerin distillation device with the heat energy recycling function, a part of liquid phase is guided into the distillation tower and then is matched with a gas phase which is not condensed by the condensation tank, so that the gas phase which is not condensed by the condensation tank is pressurized and then is condensed by the condensation tank; according to the utility model, the gas phase inside the distillation tower is guided to the liquid phase, and the liquid phase is scattered by utilizing the blade fan, so that the gas phase is in uniform contact with the liquid phase, and therefore, the gas phase is guided into the distillation tower, the efficient separation of glycerol is also realized, and the product quality is improved.

The invention relates to the technical field of refrigeration, and provides an elastic heat refrigerating system which comprises a rack, a heat exchanger, a heat exchanger and a heat exchanger. The clamp comprises two clamping heads arranged in the second direction and used for clamping the two sides, in the second direction, of the elastic heat material correspondingly, and the second direction is perpendicular to the first direction. The clamp can move in a reciprocating mode in the first direction, and the two clamping heads can move in the opposite direction or in the opposite direction in the second direction. The driving device is used for providing driving in a first direction; and the movement mechanism is used for decomposing the driving of the driving device towards the heat sink into the movement of the clamp towards the heat sink and the backward movement of the two clamping heads, and decomposing the driving of the driving device towards the heat source into the movement of the clamp towards the heat source and the opposite movement of the two clamping heads. According to the arrangement, only one power source is used, tensile deformation and position movement of the elastic heat material can be achieved at the same time, space is saved, and meanwhile the performance of the elastic heat material is fully utilized to complete refrigeration under the large refrigeration temperature span.

The invention discloses a semiconductor cooler refrigeration performance evaluation method and system, and relates to the semiconductor refrigeration technology, and the method comprises the steps: building a TEC refrigeration model considering the Peltier effect, Joule heat, heat conduction and Thomson effect; solving the established TEC refrigeration model to obtain Seebeck coefficients, TEC average resistance and TEC average thermal conductivity under different hot surfaces; establishing a function mapping relation based on the Seebeck coefficients, the TEC average resistance and the TEC average thermal conductivity under different heat surfaces obtained by solving; and constructing a refrigerating capacity and refrigerating temperature equation according to the established function mapping relation to evaluate the TEC refrigerating effect. The TEC characteristic function relation changing along with the temperature can be established on the basis of a small amount of TEC measured data, and therefore the TEC refrigeration temperature, the refrigeration capacity, the control voltage, the control current and other performance data can be rapidly and accurately calculated.

The utility model discloses an anti-overflow expansion tank and an anti-oil-overflow refrigeration temperature control system, the anti-overflow expansion tank comprises an expansion tank main body, the expansion tank main body is provided with a liquid adding port, the expansion tank is provided with a first interface and a second interface, the anti-overflow expansion tank further comprises an exhaust valve and a one-way valve, the first interface is connected with an inlet of the exhaust valve, and an outlet of the exhaust valve forms an exhaust port of the expansion tank; an outlet of the one-way valve forms a main outlet of the expansion groove; comprising the anti-overflow expansion tank and further comprises a medium outlet and a medium inlet, and the medium inlet is sequentially connected with a cold storage tank, a circulating pump, a plate heat exchanger, a compressor, an oil separator, a condenser, a drying filter and an expansion valve through pipelines, then enters the plate heat exchanger and is connected to the medium outlet; by modifying a common expansion tank, heat-conducting oil overflowing from the expansion tank due to backward flowing can continuously stay in the expansion tank, so that the working environment is not polluted, the waste of the heat-conducting oil is avoided, and waste oil is avoided.

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 invention relates to the technical field of ultralow-temperature treatment equipment, in particular to a cascade refrigeration system for a cold therapy instrument, which comprises a first-stage compression cycle module, a second-stage compression cycle module, a third-stage compression cycle module, a fourth-stage compression cycle module, a fifth-stage compression cycle module and a sixth-stage compression cycle module, the first-stage compression circulation module is connected with the second-stage compression circulation module in parallel through the first heat exchanger, and a second heat exchanger and a composite evaporator are arranged on the second-stage compression circulation module; and the third-stage compression circulation module is connected with the second-stage compression circulation module in parallel through the second heat exchanger, and the third-stage compression circulation module is communicated with the composite evaporator. The air conditioner has the effect of increasing the refrigerating temperature range.

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 application relates to an immersion refrigeration temperature control system, and relates to the technical field of immersion refrigeration temperature control. The system realizes temperature control during the immersion refrigeration process, reduces the formation of large ice crystals in the refrigeration process, reduces the damage to the inside of food, reduces energy consumption and reduces costs. The system comprises a temperature acquisition module, a liquid pump driving module, an upper computer, a data transmission module, a control module and a refrigeration equipment control module; the upper computer and the control module realize data interaction through the data transmission module; the temperature acquisition module collects the temperature of a refrigeration object and an external environment, converts the collected temperature signals into electric signals and sends the electric signals to the control module; the control module controls the power of the liquid pump driving module according to the temperature signals of the refrigeration object and the influence value of the external environment on the refrigeration liquid through a cascade control strategy and a PID control algorithm; and the control module also controls the start and stop of the refrigeration equipment control module according to the real-time temperature of the refrigeration object. The application is suitable for the field of immersion refrigeration temperature control.

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.

The invention relates to the technical field of air conditioner control, and discloses an air conditioner refrigeration energy-saving self-adaptive control method based on artificial intelligence, which comprises the following steps: collecting indoor member activity tracks and indoor temperature data, analyzing habitual environment temperatures and habitual sensible temperatures of members, simulating indoor temperature distribution under different operating parameters of an air conditioner, and calculating the indoor temperature distribution under different operating parameters of the air conditioner; according to the air conditioner refrigeration energy-saving self-adaptive control method based on artificial intelligence, personalized temperature adjustment is provided by analyzing the habitual environment temperature and the sensible temperature of the members, the comfortable experience of the members is improved, and the air conditioner refrigeration energy-saving self-adaptive control method based on artificial intelligence has the advantages that the air conditioner refrigeration energy-saving self-adaptive control method based on artificial intelligence is improved by optimizing the air conditioner parameters; unnecessary energy consumption is reduced, the energy utilization efficiency is improved, automatic and intelligent management of the air conditioning system is achieved, manual intervention is reduced, the management efficiency is improved, and the system can dynamically adjust air conditioning parameters according to indoor and outdoor environment changes and movement tracks of members, so that it is ensured that the indoor temperature is always in the optimal state.

The present invention discloses a sub-Kelvin temperature range refrigeration mechanism, comprising a pulse tube refrigeration unit, a first pre-cooling heat exchanger, a throttling refrigeration unit, a second pre-cooling heat exchanger, an adsorption refrigeration unit, a third pre-cooling heat exchanger, and a dilution refrigeration unit. The pulse tube refrigeration unit includes a pulse tube refrigeration unit, which is connected to the throttling refrigeration unit via the first pre-cooling heat exchanger to pre-cool the throttling refrigeration unit. The throttling refrigeration unit includes a throttling refrigeration unit, which is connected to the adsorption refrigeration unit via the second pre-cooling heat exchanger to pre-cool the adsorption refrigeration unit. The adsorption refrigeration unit includes an adsorption refrigeration unit, which is connected to the dilution refrigeration unit via the third pre-cooling heat exchanger to pre-cool the dilution refrigeration unit. The dilution refrigeration unit includes a dilution refrigeration unit, which serves as the refrigeration terminal of the sub-Kelvin temperature range refrigeration mechanism. Compared to the prior art, the refrigeration mechanism of the present invention can achieve lower cooling temperatures and greater cooling capacity.

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 parallel refrigerating system comprises a compressor, a condenser, a throttling device and an evaporator assembly which are sequentially connected to form a refrigerant circulation loop, the evaporator assembly comprises a first evaporator and a second evaporator which are connected in parallel, and the refrigerating temperature of the second evaporator is lower than that of the first evaporator. The evaporator assembly is connected with an air return port of the compressor through the liquid storage device, the liquid storage device is provided with a jet flow inlet, a drainage inlet and a mixed outlet, the jet flow inlet is connected with an outlet of the first evaporator, the drainage inlet is connected with an outlet of the second evaporator, and the mixed outlet is connected with the air return port of the compressor. According to the utility model, refrigerants of different evaporators are mutually mixed and subjected to energy exchange by utilizing the liquid accumulator, and then the refrigerants are sent back to the air return port of the compressor, so that the problem that the quantity of the refrigerants participating in refrigeration circulation is insufficient when the evaporators are switched is solved, the condensation phenomenon of an air return pipe is avoided, and the working performance of the compressor is improved.

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 application provides a refrigeration control method and device, electronic equipment and vehicle, and relates to the technical field of vehicles; the method comprises the following steps: comparing the temperature value of the battery pack at the current moment and the temperature value at the previous moment based on the fact that the vehicle is in a driving state; in response to determining that the temperature difference between the current moment and the previous moment is greater than or equal to a temperature difference threshold, determining the temperature rise rate of the battery pack at two adjacent moments within a preset time length based on all the temperature values of the battery pack stored within the preset time length; determining whether the battery pack is in an abnormal temperature rise state based on the temperature rise rate of the battery pack within the preset time length, and in the case that the battery pack is in the abnormal temperature rise state, reducing the refrigeration temperature threshold of the cooling system of the vehicle, so that the cooling system cools the battery pack in advance; the method is beneficial to preventing high-temperature control failure of the battery pack, prolonging the service life of the battery pack, and improving the safety and driving experience of the vehicle.

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 utility model discloses a cooling neck ring capable of refrigerating, which relates to the technical field of refrigerating equipment and comprises a neck ring support, a refrigerating sheet, an electric control component, a non-metal shell and a cold storage material layer. Wherein the neck strap support and the non-metal shell have elasticity respectively so that the cooling hanging neck strap capable of refrigerating can be expanded conveniently, the electric control assembly is used for controlling the refrigerating piece to refrigerate, the refrigerating piece transmits cold energy to the non-metal shell through the cold storage material layer, meanwhile, the cold storage material layer can also store certain cold energy, and a period of refrigerating time is continued, so that the cooling hanging neck strap capable of refrigerating can be opened conveniently. And when the refrigeration temperature of the cold storage material layer is not enough, the refrigeration sheet can be opened again to continue refrigeration so as to adjust the temperature of the cold storage material layer, and compared with metal refrigeration, the non-metal shell is mild and small in irritation. The cooling hanging neck ring capable of refrigerating has the cold storage capacity, the refrigerating effect can be continuously maintained for a period of time after the refrigerating sheet is closed, energy consumption and cost are reduced, irritation to skin is reduced, and comfort and practicability are enhanced.

The invention discloses a natural flow type refrigeration house temperature control airflow circulation control system implementation which comprises an air conditioning system installed at the upper end of a refrigeration house, the air conditioning system is connected with a controller, and the controller is connected with temperature sensors installed at the upper end and the lower end of a refrigeration house goods shelf respectively. The device is characterized by further comprising a vertical airflow channel fixedly arranged in a space area on one side of a storage rack of the cold storage in the vertical direction, a heat preservation layer is arranged on the vertical airflow channel along the peripheral side wall, the upper end and the lower end of the side, facing the storage rack, of the airflow channel are each provided with an air opening, and valves and valve opening and closing control devices are arranged at the air openings; the valve opening-closing control device is used for controlling the valve to be opened when the upper temperature of the goods shelf is higher than the refrigeration temperature. The cold lake phenomenon can be solved in a targeted mode without extra energy input, it is avoided that temperature unbalance affects goods storage, the cold energy utilization efficiency can be improved, and the energy consumption of the refrigeration house is better reduced.

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.

The invention relates to the technical field of refrigeration, and discloses a control method and device for a refrigerator and the refrigerator, an evaporator of the refrigerator comprises an inner container, a first evaporation pipeline and a second evaporation pipeline, a refrigeration space is defined by the inner container, and the first evaporation pipeline and the second evaporation pipeline are wound around the outer wall of the inner container at intervals from top to bottom; the second evaporation pipeline is wound in a mode that the upper part is dense and the lower part is sparse, so that a plurality of refrigeration layers are formed in the refrigeration space in height; the control method comprises the steps that the upper refrigerating layer temperature of the refrigerating space is obtained; and according to the relation between the upper refrigerating layer temperature and the refrigerating temperature threshold value, the operation states of the first evaporation pipeline and the second evaporation pipeline are controlled. Different refrigeration modes are achieved by controlling the first evaporation pipeline and the second evaporation pipeline according to the relation between the upper layer refrigeration temperature and the refrigeration temperature threshold value under different conditions so that the purpose of saving electricity under the condition that the refrigeration requirement can be met can be achieved.

The utility model relates to the technical field of semiconductor refrigerators, and discloses a vehicle-mounted semiconductor refrigerator which comprises a shell and a drawer box, and the shell comprises an inner shell and an outer shell; a semiconductor refrigeration assembly and a central control assembly are installed on the shell, a lower air duct and a rear air duct are arranged on the shell, the lower air duct communicates with the rear air duct, and an air outlet is formed in the upper portion of the front side of the shell and communicates with the rear air duct; a return air inlet is formed in the lower part of the rear side and communicated with the lower air duct; an inner fan is installed at the air return opening of the shell, and a plurality of air circulation holes are formed in the two sides of the storage drawer. The return air inlet is formed in the lower portion of the rear side of the refrigerator, the air outlet is formed in the upper portion of the front side of the refrigerator, and the air circulation holes are formed in the two sides of the storage drawer, so that the problems of uneven refrigeration temperature, low temperature at the air inlet and high temperature away from the air inlet in an existing design in the market are solved, and the effects of higher cooling rate and higher cooling efficiency are achieved. And the cooling effect in the refrigerator is more uniform.

The present application relates to the technical field of glycerol distillation, in particular to a glycerol distillation device with heat energy recycling. It comprises a distillation column, a condenser, a reflux tank and a compression mechanism connected with the reflux tank, wherein: one side of the distillation column is connected with a feeding pipe, the top is connected with a steam exhaust pipe connected with the condenser; and one side of the distillation column is connected with a reboiler; the condenser has a normal refrigeration temperature and an energy-saving refrigeration temperature. In the glycerol distillation device with heat energy recycling, a part of liquid phase is guided into the distillation column, then cooperates with the gas phase that is not condensed by the condenser, the gas phase that is not condensed by the condenser is pressurized, then the gas phase in the distillation column is guided to the liquid phase, the liquid phase is scattered by the fan, the gas phase and the liquid phase are uniformly contacted, so that the gas phase is guided into the distillation column, the efficient separation of glycerol is realized, and the product quality is improved.

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 technical problem of the present invention is to provide an oily food which does not solidify even in a cold storage temperature range, is flexible, does not bleed out even in contact with a food containing moisture, and has a good gloss and flavor in appearance. According to the present invention, by satisfying all of the following conditions (a) to (e), it is found that an oily food which is flexible in a cold storage temperature range, does not bleed out, and has a good gloss and flavor in appearance can be provided: (a) a saturated fatty acid having 16 to 24 carbon atoms is contained in an oil content of the oily food in a total amount of 15 to 33 mass%; (b) an unsaturated fatty acid having 18 carbon atoms is contained in the oil content of the oily food in a total amount of 60-90 mass%; (c) less than 3% by mass of moisture; (d) an oil content of 35-70% by mass; and (e) 0.1-2 mass% of a glycerin fatty acid ester containing 40 mass% or more of behenic acid in the oily food.