20results about How to "Guaranteed low temperature environment" patented technology

The invention discloses pre-cooling equipment for cooling fruits and vegetables by cold storage water. Comprising a material area used for containing fruits and vegetables, a cold storage water tank arranged at the lower end of the material area, a cold storage device used for conducting cooling and cold storage on water in the cold storage water tank, and a cold storage cavity formed between the material area and the water surface in the cold storage water tank. The air cooling conveying device is used for conveying cold air in the cold storage cavity to the material area; and the air return device is used for conveying hot air in the material area to the cold storage cavity. According to the precooling equipment, cold air is adopted for cooling and precooling fruits and vegetables, the problem that field heat of part of fruits and vegetables cannot be removed in a water precooling mode is solved, the fruits and vegetables can be prevented from being rotten, an air cooling cooling circulation mode is adopted, the cold energy utilization efficiency is high, and the precooling effect is good.

The invention relates to the technical field of vehicle-mounted refrigerators, in particular to a full-automatic Y-direction telescopic and Z-direction lifting vehicle-mounted refrigerator with a transparent door body. The refrigerator comprises a shell body, an inner container shell is arranged in the shell body, an illuminating lamp and a sterilizing lamp are arranged at the top of the inner container shell, a refrigerating system is arranged on the back face of the shell body, a box frame is arranged on the front face of the shell body, a transmission device is arranged on the inner bottom face of the inner container shell, and a containing drawer is arranged on the transmission device. A door plate body is arranged on the front face of the object containing drawer, and a Z-axis moving assembly is movably arranged in the object containing drawer. Opening of the object containing drawer of the vehicle-mounted refrigerator can be directly controlled through the vehicle-mounted screen, the motor drives the transmission device to enable the object containing drawer to automatically move out of the inner container shell, manual pulling and taking are not needed, great convenience is provided for a user, especially in the vehicle running process, the user can conveniently take and use objects at any time, and the user experience is improved. And the use safety and convenience are enhanced.

The invention discloses a liquid hydrogen conveying device which comprises a conveying pipe, a pressurizing part, a refrigerating part, a power part and a transmission part. The conveying pipe is composed of a conveying inner pipe and a thermal insulation outer pipe, and a vacuum thermal insulation cavity is formed between the inner pipe and the outer pipe. The refrigerating part comprises a liquid hydrogen equalizing assembly, an inner and outer connecting sleeve, a cold source sleeve, a heat source sleeve and a piston assembly which are concentrically arranged, and liquid hydrogen is pressurized and refrigerated through an inner and outer annular piston, a communicating pipe, a crankshaft and a connecting rod mechanism. The power part drives the pressurizing part and the refrigerating part through the transmission part, and stable conveying of the liquid hydrogen is guaranteed. The liquid hydrogen conveying method comprises the following steps that low-temperature conveying of liquid hydrogen is kept through the conveying pipe and the vacuum heat insulation cavity; the liquid hydrogen is pressurized and cooled through the pressurizing part and the refrigerating part; the power part drives the pressurizing part and the refrigerating part to operate through the transmission part. The liquid hydrogen conveying efficiency and stability are remarkably improved, it is ensured that liquid hydrogen is efficiently pressurized, refrigerated and stably conveyed in the liquid phase state, and good technical advantages and application prospects are achieved.

The multipurpose specimen collection box comprises a heat preservation box body, a base is detachably fixed to the bottom of the heat preservation box body, an avoiding groove is fixed to the top of the inner side of the base, a second soaking plate is slidably connected to the interior of the avoiding groove, and a semiconductor chilling plate is fixed to the top of the second soaking plate. An aluminum alloy shell is fixed in the heat preservation box body, a first vapor chamber is fixed at the bottom of the heat preservation box body, the first vapor chamber is in contact with the aluminum alloy shell, and the aluminum alloy shell is filled with a polypropenoic acid polymer refrigerant. According to the multipurpose specimen collection box with the disinfection device, the semiconductor chilling plate on the refrigeration surface is in contact with the first vapor chamber, so that the aluminum alloy shell and a polybasic acrylic acid polymer refrigerant in the aluminum alloy shell are refrigerated through the first vapor chamber, and the interior of the heat preservation box body is cooled; the specimens in the heat preservation box body are prevented from deteriorating.

The utility model relates to the technical field of fault autonomous controllable, disclose a kind of autonomous controllable reconstruction device for reducing the failure rate of thermal power generating unit DCS, including control cabinet, the front side of control cabinet is rotatably connected with two rotating doors, the inside of control cabinet is provided with cooling mechanism, the top of cooling mechanism is provided with clamping mechanism, the clamping mechanism is used to clamp electrical element, cooling mechanism includes two hollow partitions, the left and right sides of two hollow partitions are respectively fixedly connected on the inside of control cabinet upside and downside, the left and right sides of two hollow partitions are all through the inside left and right sides of control cabinet and fixedly connected with fixed plate. In the utility model, cooling liquid in water storage tank enters cooling pipe by water pump, returns to water storage tank by return pipe after absorbing heat, radiating fin radiates, cooperates with radiating groove and auxiliary radiating of rotating plate to realize efficient cooling, guarantee the temperature environment in control cabinet, reduce DCS failure.

The invention discloses a saline-alkaline-tolerant breeding domestication and long-distance transportation method for larvae of kiss bass. The method comprises the following steps: (1) hatching fertilized eggs; (2) breeding in a hatching pond; (3) culturing in an indoor culture pond; (4) gradually desalting and domesticating; (5) carrying out a long-distance transportation simulation test: (5.1) blending a water body; (5.2) starvation and cooling pretreatment before transportation; (5.3) optimizing the bagging density; (5.4) low-temperature oxygenation sealing and transportation; (5.5) buffering the temperature and water quality after landing into the pool; according to the method, the in-transit stress and death risk can be effectively reduced, the long-distance transportation survival rate and field adaptability are improved, technical support is provided for large-scale cultivation and cross-regional supply of the kiss bass in the inland saline-alkali area, and the method has good application prospects and economic value.

The utility model provides an outdoor portable food preservation bag, which relates to the technical field of preservation bags and comprises a bag body, the top of the bag body is connected with a first folding bag, the top of the first folding bag is connected with a second folding bag, and the top of the second folding bag is connected with a third folding bag. The sealing assembly is arranged between the bag body and the third folding bag and comprises a first hook-and-loop fastener, a second hook-and-loop fastener, a third hook-and-loop fastener, a fourth hook-and-loop fastener and a first sealing strip; the partition assembly is arranged in the bag body and comprises partition paper, a second sealing strip, a first storage cavity and a second storage cavity. The bag opening of the freshness protection bag can be folded and sealed for multiple times through the sealing assembly, food leakage caused by loosening of a sealing strip in the carrying process is avoided, meanwhile, ice blocks can be put into the freshness protection bag through the separation assembly, meanwhile, three kinds of compatible food can be stored at the same time through the design that the interior of the freshness protection bag is separated, and the practicability is high. And each food storage space is independently sealed.

The invention provides a batching system for multi-component silicone oil and a use method of the batching system. The batching system comprises a raw material supply unit; the automatic weighing unit comprises a metering pump communicated with each raw material supply unit and a metering tank connected with an outlet of the metering pump; the mixing unit comprises a mixing tank located below the metering tank, a stirrer arranged in the mixing tank and a temperature control module used for controlling the temperature in the mixing tank; the material storage unit comprises a middle storage tank and a first pumping mechanism for pumping the materials in the mixing tank to the middle storage tank; the feeding unit comprises a second pumping mechanism used for pumping the materials in the middle storage tank to a downstream coating device; and the central control unit is used for coordinating and controlling the automatic operation of the whole system. The batching system for the multi-component silicone oil can accurately feed materials, and the viscosity of the silicone oil and the stability of the subsequent coating weight are effectively guaranteed; manual operation is not needed in the batching process, full-automatic operation is achieved, and harm to human bodies is reduced.

The utility model relates to the technical field of medical examination, in particular to a sample storage box for medical examination, which is characterized in that a storage cavity is fixedly mounted in the storage box, and heat dissipation cavities are fixedly mounted on two sides in the storage cavity; by pushing the inserting plate up and down, the inserting plate can move up and down on the surface of the main rod through the through hole, a first rubber pad on the inner wall of the through hole is tightly attached to a second rubber pad on the surface of the main rod, the first rubber pad and the second rubber pad can be elastically attached to each other, and therefore the position of the inserting plate can be fixed in real time; the distance between the inserting plate and the bottom plate can be adjusted by adjusting the vertical position of the inserting plate, and meanwhile, the distance between the inserting hole and the bottom groove can be synchronously adjusted, so that the distance between the inserting hole and the bottom groove can be adjusted to a proper position according to the length of a test tube, and the test tube can be just placed between the inserting hole and the bottom groove; therefore, test tubes with different lengths can be placed.

The invention belongs to the technical field of organ transplantation and preservation, and discloses an organ transplantation and preservation device with a sterile ice crushing mechanism, the organ transplantation and preservation device comprises a transplantation and preservation box, a fixing cover is arranged in the transplantation and preservation box, through the arrangement of a buffer mechanism and a clamping piece, the buffer and anti-displacement effects are achieved, and when a bearing plate is subjected to force in the vertical direction, the bearing plate is prevented from moving. The whole buffer mechanism is linked in sequence, force is transmitted from the short plate to the rotating rod and the sliding rod and then to the reset piece to generate deformation or position change to buffer external force, a multi-stage buffer system is formed, the suddenly applied external force can be effectively dispersed and absorbed, organs are prevented from being damaged due to instant large impact force, and the service life of the organs is prolonged. The safety of the organs in the storage process is greatly improved, the organs can still be kept in a good state under the condition that the organs are possibly subjected to external force during transportation, carrying, daily placement and the like, and a foundation is laid for subsequent successful transplantation operations.

The utility model provides a high-efficiency energy-saving ice-making device, which relates to the technical field of ice making and comprises a base, a main shell is fixedly connected onto the base, an auxiliary shell is fixedly connected onto the base, a high-efficiency compressor is mounted and connected inside the main shell, a condenser is arranged on one side of the high-efficiency compressor, and a condenser is arranged on the other side of the high-efficiency compressor. And a heat exchanger is mounted and connected to the rear side of the condenser. The motor drives the driving shaft to rotate to drive the moving block and the right-angle water outlet piece to move, so that each partition groove in the multi-groove partition plate can store water equivalently, uniformly distributed water flow can be in full contact with an evaporator, and the time for converting water into ice is greatly shortened; the pushing block is pushed to move through the electric cylinder, the protruding plate at one end of the multi-groove partition plate is in linkage with the cover plate, ice blocks are smoothly pushed into the trapezoidal collecting bin, the gravity principle is utilized in the design of the trapezoidal bin, the ice blocks naturally slide down and accumulate, and blockage and disorder of the ice blocks in the collecting process are avoided.

The utility model relates to refrigerator glass door technical field proposes a kind of refrigerator glass door body structure, comprising: aluminium alloy frame;The one side of aluminium alloy frame is fixedly installed handle, the one side of handle is fixedly installed touch screen, the inside of handle is fixedly installed with PCL processor, the other side of aluminium alloy frame is fixedly installed temperature sensor, the one side of temperature sensor is connected with conducting wire, the inside of aluminium alloy frame is adhered with toughened glass by hollow rubber layer. The refrigeration and light of refrigerator can be controlled by touch screen, the temperature inside refrigerator can be monitored in real time by temperature sensor, and then the temperature inside refrigerator is adjusted by touch screen, by fixing and installing PVC plastic strip and magnetic sealing strip on the other side of aluminium alloy frame, it can prevent external dust from entering the inside of refrigerator, also can prevent the leakage of refrigerator internal cold air, ensure the low-temperature environment inside refrigerator.

The utility model relates to a stackable coriander transportation fresh-keeping turnover box and belongs to the technical field of vegetable fresh-keeping. Mainly include fresh -keeping box, coriander preservation frame, and the layered paving of coriander is carried out to the coriander preservation frame and mesh sheet, avoids the problem such as internal compaction, heating, and covering yellow caused after stacking; the utility model discloses in the stacking process, the foot of upper layer fresh -keeping box is embedded in the foot nest of lower layer, can guarantee the stability of stacking, guarantees the stability in the transportation process, in the cold storage stacking, the transportation process of transport vehicle, through the side door opening, it is favorable to the cold air in the cold storage or transport vehicle into the coriander preservation frame, realizes the fresh -keeping refrigeration of coriander fast, guarantees the fresh -keeping effect, in the process such as warehouse delivery, closes the side door, avoids the overflow of the cold air in the fresh -keeping box, guarantees the low temperature environment in the inside, guarantees the fresh -keeping effect, guarantees the coriander fresh.

The utility model relates to the technical field of household appliances, and discloses refrigeration equipment which comprises a refrigeration chamber, a refrigeration air duct and a dehumidification air duct. The refrigeration air duct is arranged on one side of the refrigeration chamber, and an air outlet of the refrigeration air duct communicates with the refrigeration chamber; the dehumidification air duct is arranged on the air return side of the refrigeration air duct, an air inlet of the dehumidification air duct communicates with the refrigeration chamber, and the air outlet end of the dehumidification air duct communicates with the air return end of the refrigeration air duct. According to the refrigerating chamber, the frosting risk in the refrigerating air duct can be reduced, the heat exchange performance of the refrigerating air duct is guaranteed, and the storage effect of the refrigerating chamber is improved.

The utility model discloses a temperature control device for keeping food freeze-drying, and relates to the technical field of food processing. Comprising a heat preservation device, and the outer wall of the heat preservation device is fixedly connected with a containing device; the placing device is used for placing the freeze-dried food; the outer wall of the shielding device is connected with the outer wall of the placing device in an inserting manner; the heat preservation device comprises a shell, the outer wall of the top of the shell is rotationally connected with a rotating ring, the inner wall of the top of the shell is fixedly connected with a liquid inlet pipe, a wooden plug is inserted into the inner wall of the liquid inlet pipe, the inner wall of the bottom of the shell is fixedly connected with a liquid outlet pipe, and the outer wall of the liquid outlet pipe is in threaded connection with a threaded cover. By arranging the heat preservation device, heat exchange between food freeze-drying and the outside is reduced, meanwhile, operation is convenient, and stable and reliable temperature control conditions are provided for storage of food freeze-drying.

The invention provides an XRF spectrometer, and relates to the technical field of spectrometers. The invention relates to a portable electronic device which comprises a machine shell, a machine core, a separation type handle and a first battery, the machine core is arranged in the machine shell, a heat dissipation structure used for conducting heat dissipation on the interior of the machine shell is arranged on the machine shell, the separation type handle is detachably connected with the machine shell, and the first battery is arranged in the separation type handle and electrically connected with the machine core. By means of the innovative split type structural design, the machine shell and the split type handle are detachably connected, rapid replacement or upgrading of core components is easier, the instrument is more convenient to maintain and upgrade due to the modular design form, and the environmental adaptability and maintainability are improved. Different machine cores can be used in cooperation with the same separated handle all the time, and the development cost of follow-up instruments is effectively reduced. The heat dissipation structure further increases the heat dissipation area, improves the heat dissipation performance of the instrument, facilitates the reduction of the temperature environment in the housing, and reduces the overall power consumption.

The utility model relates to the technical field of medical instruments, in particular to a medical specimen transfer device which comprises a box, a specimen storage part and a cooling part, and the box is used for providing a closed space; the specimen storage piece is arranged in the box body and is used for storing and fixing specimens; the cooling parts are used for cooling the specimens on the specimen storage part, the two cooling parts are arranged in the box body, and the specimen storage part is located between the two cooling parts. According to the medical specimen storage device, the specimen storage piece is located between the two cooling pieces, the specimen on the specimen storage piece can be cooled uniformly and efficiently, the low-temperature environment needed by the specimen can be better maintained, the preservation time of the specimen is prolonged, the activity and integrity of the specimen are guaranteed, and the strict requirement of the medical specimen for the preservation condition is met.

The invention discloses a concrete dump truck for long-distance transportation of low-slump precooled concrete, and relates to the field of concrete dump trucks, the concrete dump truck comprises a truck body, a stirring dump tank and a supporting seat, the stirring dump tank is arranged above the truck body, and the supporting seat is connected to the outer side of the stirring dump tank to provide support for the stirring dump tank; the stirring self-discharging tank is driven to rotate, a discharging plate is arranged below an opening in the right side of the stirring self-discharging tank, a movable disc is arranged at the opening in the right side of the stirring self-discharging tank, and a movement control mechanism is connected to the left side of the movable disc and controls movement of the movable disc. According to the concrete dumper for long-distance transportation of the low-slump pre-cooled concrete, an opening in the end of the stirring and self-discharging tank can be shielded through the arrangement of the movable disc, so that volatilization of water in the stirring and self-discharging tank is reduced, continuous reduction of the slump of the stirring and self-discharging tank is avoided, and long-distance transportation of the concrete is facilitated.

The utility model relates to the technical field of refrigeration equipment, in particular to a milk cabinet which comprises a milk cabinet shell, a containing cavity is formed in the milk cabinet shell, and a refrigeration part used for converting high-pressure gas into cold air and hot air, a pressure pump connected with the refrigeration part and a storage battery used for providing power for the pressure pump are arranged on the outer side wall of the milk cabinet shell. A high-pressure gas conveying pipe is arranged between the refrigerating part and the pressure pump, and the refrigerating part is provided with a first flow guide part for releasing cold air into the containing cavity and a second flow guide part for discharging hot air out of the external environment. A user arranges the storage battery, the pressure pump and the refrigeration part on the outer side wall of the milk cabinet shell, the refrigeration part converts high-pressure gas into cold air and hot air, when the external environment is powered off, the storage battery can supply power to the pressure pump, the cold air enters the containing cavity through the first flow guide part, and therefore the containing cavity is kept in a low-temperature environment.

The present invention relates to the technical field of leather processing, and in particular to a leather forming and processing device for automobile interiors. The present invention includes a pretreatment device and a mold device, wherein the rear side of the mold device is connected and installed with a trimming device, the front side of the mold device is connected and installed with a heating device, and the mold device is installed and connected with a cooling device. The pretreatment device is used to improve the quality and processing efficiency of the leather, which is conducive to improving product consistency and effectively shortening the production cycle. The mold device is used to form the leather, which is conducive to ensuring dimensional accuracy and effectively improving product consistency. The heating device is used to soften the leather, which is convenient for subsequent processing, which is conducive to improving the process effect and effectively improving product quality. The cooling device is used to quickly cool the leather, which is conducive to stabilizing the size and effectively improving the product accuracy. The trimming device is used to finely adjust the leather, which is conducive to improving the quality of the finished product. The safety monitoring device is used to ensure the safety of the processing process and effectively improve the safety of operation.