52results about How to "Guaranteed refrigeration effect" patented technology

The invention discloses an intelligent temperature control method of a fridge refrigerating chamber, a device and a fridge. The intelligent temperature control method includes the steps: dividing the refrigerating temperature range of the fridge refrigerating chamber into a plurality of storage temperature ranges, and acquiring average storage temperature of each storage temperature range; identifying refrigerated food to obtain food information; calling a preset food temperature database according to the food information to obtain the amount of the refrigerated food corresponding to each storage temperature range, and acquiring the percentage of the amount of the refrigerated food corresponding to each storage temperature range; calculating refrigerating chamber set temperature according to the percentage of the amount of the refrigerated food corresponding to each storage temperature range and the average storage temperature of each storage temperature range, and controlling the temperature of the fridge refrigerating chamber according to the refrigerating chamber set temperature. According to the intelligent temperature control method, the refrigerating chamber set temperature can be acquired according to storage temperature of various food materials in the fridge refrigerating chamber, and the fresh-keeping effect of the food is greatly improved.

The invention relates to a refrigerator energy-saving control method which comprises the steps that at a step 11, an accumulated period Ta of continuity and stabilization of a refrigerator compartment temperature is calculated and / or a continuous accumulated period Td of door closing is calculated; at a step 12, whether Ta is bigger than or equal to a preset stable period TB is judged, a step S13 will be executed if Ta is bigger than or equal to the preset stable period, and otherwise the step 11 will be restarted to continue the calculation at the step Ta and / or whether Td is bigger than or equal to a preset door closing period TE is judged, a step S13 will be executed if Td is bigger than or equal to the preset door closing period, and otherwise the step 11 will be restarted to calculate Td; and at a step 13, an energy-saving mode of a refrigerator is started. The energy-saving mode is started by judging stability of the refrigerator compartment temperature and a door opening state of the refrigerator. A user will be deemed to have not used the refrigerator for a period (such as at night, during working and in a vacation) when a door is closed for a certain period / or fluctuations of the compartment temperature are kept within a certain scope, the refrigerator will enter the energy-saving mode and energy consumption of the refrigerator will be reduced.

The invention provides an organ transfer device. The organ transfer device comprises an outer box body, an inner box body arranged in the outer box body and a perfusion system, wherein the inner box body is provided with a perfusion chamber the upper part of which is provided with an opening and a refrigeration cavity which is arranged between the inner box body and the outer box body and is used for placing a cold source; the perfusion chamber is internally horizontally provided with a filtering membrane, and the filtering membrane is used for dividing the perfusion chamber into an organ containing cavity and a filter liquor containing cavity which are respectively arranged above and below the perfusion chamber; the perfusion system comprises a peristaltic pump, wherein a liquid inlet of the peristaltic pump is communicated with the filter liquor containing cavity through a liquid inlet pipeline, and a liquid outlet of the peristaltic pump is communicated with a liquid outlet pipeline for communicating the organ liquid inlet to be transferred. The organ transfer device provided by the invention has the advantages that the design is scientific, the structure is reasonable, the operation is simple and the organ activity in a transferring process is guaranteed.

The invention discloses a pure electric van vehicle. The pure electric van vehicle comprises a chassis and a carriage arranged above the chassis. The chassis comprises a main vehicle frame, a cab and power battery devices, and the cab and the power battery devices are connected with the main vehicle frame. The position of the power battery devices can be changed. When a long carriage is used, the power battery devices are arranged on the two sides of the lower portion of the main vehicle frame. When a short carriage is used, the power battery devices are arranged between the cab and the short carriage. The carriage is a fully-sealed independent type common carriage or a refrigeration carriage. According to the pure electric van vehicle, the position of the power battery devices is designed to be of a changeable structure by fully taking advantage of the pure electric chassis, different kinds of cargos are flexibly allocated through the van vehicle, cargos of different proportions are transported through carriages with different lengths, the problems that an existing vehicle is simplex in cargo transportation and low in efficiency are solved, and thus the transportation cost of the cargos and the purchase cost of the chassis are reduced; electric energy is further supplied to the refrigeration carriage by arranging an independent generator, and the refrigerating effect of the refrigeration carriage is further ensured.

The invention belongs to the field of medical apparatus and instruments and discloses a medical portable refrigerator comprising a refrigerator body, a refrigerator cover, a biological ice box, a test tube fixing plate and fixed strips; the upper surface of the refrigerator body is in contact with the lower surface of the refrigerator cover; the edge of the refrigerator body is connected with the edge of the refrigerator cover through a zipper; the biological ice box is vertically distributed inside the refrigerator body in a way of keeping to the side; the test tube fixing plate is arranged in a space defined by the biological ice box; the refrigerator body is sequentially composed of a insulation layer and a vacuum layer from outside to inside; the plurality of fixed strips are arranged in the refrigerator body; a plurality of guide slots are formed in the surface of the biological ice box; and the left and right sides of the test tube fixing plate are at least provided with two marbles. Due to the adoption of a double-layer insulation design of the insulation layer and the vacuum layer, the medical portable refrigerator can be used as a short-term refrigerator for drugs, vaccines and test tube reagents; and the medical portable refrigerator is simple in structural design, low in manufacturing cost, particularly suitable for medical personnel in the countryside and also convenient to use in the open.

The invention discloses a power supply management method applied to an extended-range cold storage vehicle, relates to the technical field of new energy automobiles, and solves the problem of "range anxiety" and "cold storage effect anxiety" during goods transportation by a traditional pure electric cold storage vehicle. The method comprises the following steps of 1, determining an actual plannedtravel path based on a starting departure place and a final destination of the extended-range cold storage vehicle; and 2, travelling along the actual planned travel path, and adjust cold storage vehicle control logic in real time based on current energy provided by a range extender and the charged amount of the cold storage vehicle so as to ensure that the cold storage vehicle can reach the destination in the fastest and energy-saving manner on the premise of ensuring the cold storage effect. According to the power supply management method, normal operation of the cold storage vehicle is ensured, and meanwhile the cold storage effect of the cold storage vehicle is also preferentially guaranteed.

The invention discloses a control method of a refrigerator. The refrigerator comprises a compressor, a fan, an air door, a freezing chamber and a refrigerating chamber, wherein the fan corresponds tothe freezing chamber, an air channel is formed between the freezing chamber and the refrigerating chamber, and the air door is arranged on the air channel. The control method of the refrigerator comprises the steps as follows: when the compressor of the refrigerator stops operating, acquiring the temperature of the refrigerating chamber; when the temperature of the refrigerating chamber is largerthan or equal to a first preset temperature, judging whether the fan is started or not; opening the air door when the fan is not started. The invention also discloses a control device of the refrigerator, the refrigerator and a readable storage medium. Freezing of the refrigerating chamber can be avoided while the refrigerating effect of the refrigerating chamber is guaranteed, and the refrigerator use experience of a user is improved.

The invention discloses a refrigerating equipment refrigeration control system based on the Internet of Things. The system comprises an acquisition module used for acquiring the number of times of opening of a door of refrigerating equipment within preset time, a detecting module used for detecting whether children or pets are located in the scene where the refrigerating equipment is located whenthe number of times of opening of the door is greater than a preset threshold of the number of times, and a notification module used for giving out an alarm notification when it is detected that the children or the pets are located in the scene where the refrigerating equipment is located. In this way, the children or the pets are prevented from frequently opening the door of the refrigerating equipment and from being pinched and trapped, and the safety of children is ensured.

The invention provides a portable insulin storage box which comprises a box body and a box cover (1). The box body is connected with the box cover through a rotating shaft (2). The portable insulin storage box is characterized in that the box body is composed of a base plate and side plates, and the base plate and the side plates sequentially comprise a shell (3), an outer water absorption layer (6), a partition layer (5) and an inner water absorption layer (7) from exterior to interior. The portable insulin storage box is simple in structure and convenient to use, due to the multi-layer box body, the box body can store enough water which cannot be leaked in the carrying process, and the stable evaporation speed is kept; on the basis of the working principle of evaporation heat absorption, it is determined that the higher the external environment temperature is, the better the cold storage effect is; due to the fact that insulin is injected into a diabetes patient between two meals, the box body is filled with water every time the diabetes patient uses the portable insulin storage box, and the water cannot be evaporated between the two meals.

The invention discloses a preservation device for reproductive embryonic stem cells, and relates to the technical field related to reproductive embryonic stem cells, and the preservation device is characterized by comprising a box body, a display operation screen, a fingerprint identifier, a password input device, a refrigeration box, a liquid nitrogen box, a guide pipe, an electromagnetic valve, a temperature sensor, a servo motor, a rotating shaft, a fixed part and a plurality of brackets, a U-shaped placing piece, a fixed inserting sleeve, a storage pipe, a sealing cover and a rolling piece are arranged at the end part of the bracket; connecting blocks are arranged at the bottoms of the two sides of the fixed inserting sleeve; a guide groove and a spring are arranged on the inner side wall of the U-shaped placing piece; an access hole is formed in the top end of the refrigeration box; a bolt is inserted into the access hole; an opening, a telescopic cylinder, an electronic locking piece, a sealing plate and a lock catch are arranged at the top end of the box body; and a PLC and a power supply device are arranged in the box body. According to the device, the refrigeration effect of other stored embryonic stem cells is not affected when the embryonic stem cells are stored and taken, storing and taking operation is easy and convenient, and meanwhile the device is high in safety and not prone to being stolen.

The invention relates to the field of kits, and particularly discloses a DNA extraction kit. The DNA extraction kit comprises a kit body, a rotating structure, a fixing structure, a clamping structure, a freezing structure, a drawing structure and a moving structure. The rotating structure is installed inside the kit body, so that the sealing protection effect on the kit body can be achieved, and it can be ensured that a test tube placed inside the kit body is always in a vertical state, thus, the circumstance that the test tube leaks liquid when the kit body is transported can be avoided, and the transportation safety of reagents is greatly improved; in cooperation with the freezing structure installed inside the kit body, the refrigeration effect on the reagents placed inside the kit body can be achieved, water drops condensed outside can be collected and treated in a centralized mode, rapid assembling and disassembling can be realized, and the operation is facilitated; and the fixing structure is arranged inside the rotating structure for placing the test tube, so that the outer side wall of the inserted test tube can be locked and fixed, the circumstance that the test tube shakes when the reagents are transported is avoided, and liquid leakage is prevented.

The invention discloses a sperm refrigerator, comprising a box body and a box cover, an inner box is arranged in the box body, a compartment is arranged between the inner box and the box body, and a circuit control board, a battery and a compartment are arranged in the compartment. The insulation layer has a wireless charging coil at the bottom, the inner box is made of silica gel and has a fixing hole on it, a sperm storage unit is placed in the fixing hole, and a data acquisition module is arranged at the bottom of the fixing hole, and the data acquisition module includes a temperature sensor , a semiconductor refrigerating sheet is embedded in the inner box; the invention adopts the semiconductor refrigerating sheet to refrigerate and refrigerate spermatozoa, which has fast refrigerating speed and high temperature controllability, and is small in size and easy to carry.

The invention discloses a pure electric van vehicle. The pure electric van vehicle comprises a chassis and a carriage arranged above the chassis. The chassis comprises a main vehicle frame, a cab and power battery devices, and the cab and the power battery devices are connected with the main vehicle frame. The position of the power battery devices can be changed. When a long carriage is used, the power battery devices are arranged on the two sides of the lower portion of the main vehicle frame. When a short carriage is used, the power battery devices are arranged between the cab and the short carriage. The carriage is a fully-sealed independent type common carriage or a refrigeration carriage. According to the pure electric van vehicle, the position of the power battery devices is designed to be of a changeable structure by fully taking advantage of the pure electric chassis, different kinds of cargos are flexibly allocated through the van vehicle, cargos of different proportions are transported through carriages with different lengths, the problems that an existing vehicle is simplex in cargo transportation and low in efficiency are solved, and thus the transportation cost of the cargos and the purchase cost of the chassis are reduced; electric energy is further supplied to the refrigeration carriage by arranging an independent generator, and the refrigerating effect of the refrigeration carriage is further ensured.

The invention discloses a portable refrigeration box for cold-chain logistics. The portable refrigeration box comprises a box body and a box cover; the box cover is located at the top of the box bodyand connected with the box body in a clamped mode, and a plurality of movable wheels are arranged at the bottom of the box body; the lower part in the box body is provided with a supporting plate slidably connected with the inner wall of the box body, and a cooling liquid bag is arranged at the inner bottom of the box body; the side face of the cooling liquid bag is connected with a supplementingpipe, and the front end of the supplementing pipe stretches out of the side face of the box body; and a connecting hole is formed in the cooling liquid bag. When materials are placed in the portable refrigeration box, the supporting plate can rotate relative to a rotary adjusting rod to slide along the inner wall of the box body through rotation of the rotary adjusting rod, the height of the supporting plate is adjusted, thus the distance between the materials and the box cover is adjusted, in the long-distance transport process, collision between the materials and damage caused by collision between the materials and the interior of the box body during occurrence of shaking are avoided, the adaptability of the portable refrigeration box is improved, the refrigeration effect is ensured through the height-adjustable cooling liquid bag, and safe refrigeration of the materials during long-distance transport is ensured.

The invention belongs to the technical field of fresh food transportation, and particularly relates to a fresh product long-distance transport vehicle. The vehicle comprises a vehicle body, a heat preservation carriage, a refrigerating machine, carriage air cushions, partition air cushions, an air pipe, a main pressure pump and an overflow valve, wherein the carriage air cushions are arranged on the periphery of the heat preservation carriage and the inner wall of the top of the heat preservation carriage; the partition air cushions are arranged on the two sides of a vehicle door of the heat preservation carriage; the partition air cushions are arranged in the vertical direction; and a distance is reserved between every two adjacent partition air cushions. By means of the carriage air cushions and the partition air cushions filled with cold air, fresh products in the heat preservation carriage are evenly cooled and refrigerated, and then continuous fresh keeping of the fresh products in the transportation process is guaranteed; and the fresh products are placed between the inflatable carriage air cushions and the partition air cushions, so that the fresh products are prevented frombeing collided due to bumping of the vehicle in the running process in the transportation process, and the transportation quality of the fresh products is further guaranteed.

The invention relates to a rotary disc type refrigerated cabinet for material storage. The rotary disc type refrigerated cabinet comprises a cabinet body and a motor, wherein an upper supporting seatis arranged at the upper end of the cabinet body, a lower supporting seat is arranged at the lower end of the cabinet body, and a vertical rotating shaft is arranged in the cabinet body. The upper endof the rotating shaft is rotationally connected with the upper supporting seat, and the lower end of the rotating shaft is rotationally connected with the lower supporting seat; the motor is arrangedon one side of the upper part of the cabinet body, and the upper end of the rotating shaft penetrates through the upper supporting seat and is connected with a flywheel end. The output end of the motor is connected with the flywheel end through a synchronous belt, and a plurality of first storage discs are arranged in the cabinet body and are arranged on the rotating shaft in a sleeving mode. Therotating shaft drives the first storage discs to rotate; a cabinet door is arranged on the side wall of the side, far away from the motor, of the cabinet body; and an automatic door is arranged on the other side wall of the cabinet body. According to the rotary disc type refrigerated cabinet for material storage, articles can be conveniently stored and taken manually, and articles can be stored and taken automatically. Classified management and the minimum unitized management of articles can be realized.

The invention belongs to the technical field of body fluid sampling devices, and particularly relates to a milk sampler for a modern pasture. The sampler consists of a gas pressure regulator and a suction pipe, wherein a closed heat-preserving cavity is formed in the suction pipe; the heat-preserving cavity is filled with a cold storage medium; a sample cavity is formed in the heat-preserving cavity; the lower side of the sample cavity is communicated with a spiral capillary suction pipe; the lower end of the capillary suction pipe is further communicated with a metal suction nozzle; the metalsuction nozzle is fixedly connected with the capillary suction pipe; a semi-permeable diaphragm is arranged at a junction of a gas cavity of the gas pressure regulator and the sample cavity. When thesampler is used, the cold storage medium in the heat-preserving cavity can perform cold storage and heat preservation on a sample in the sample cavity and can freeze a part of the sample in the capillary suction pipe, so that the sample does not leak, and thus the sampler has a good sealing effect. The sampler is reusable, easy to operate and relatively low in using cost.

The invention relates to a cold closet door sensing and alarming system which is suitable for various cold closets. The system comprises a photoelectric sensor which is located at the position, closeto a closet door, of the inner wall of a cold closet body; a temperature sensor, a wireless communication module and a PLC are arranged in a cold closet, a sound alarming device is arranged at the topof the cold closet, the wireless communication module is connected to a remote mobile phone, and the photoelectric sensor, the temperature sensor, the wireless communication module and the sound alarming device are correspondingly connected to the PLC. When the system is in use, if the closet door is in an open state, the photoelectric sensor can sense the opening state of the closet door, if thecloset door is in the open state all the time, the photoelectric sensor sends a signal to the PLC, the PLC controls the sound alarming device to send out an alarm sound and notifies the remote mobilephone through the wireless communication module; and if the temperature sensor senses that the temperature in the closet is abnormal in the normal use process of the cold closet, similarly, the PLC controls the sound alarming device to send out the alarm sound, so that the safety in the using process is improved, and the cold storage effect is guaranteed.

The invention discloses a control method of a refrigerator. The refrigerator comprises a compressor, a fan, an air door, a freezing chamber and a refrigerating chamber, wherein the fan corresponds tothe freezing chamber, an air channel is formed between the freezing chamber and the refrigerating chamber, and the air door is arranged on the air channel. The control method of the refrigerator comprises the steps as follows: when the compressor of the refrigerator stops operating, acquiring the temperature of the refrigerating chamber; when the temperature of the refrigerating chamber is largerthan or equal to a first preset temperature, judging whether the fan is started or not; opening the air door when the fan is not started. The invention also discloses a control device of the refrigerator, the refrigerator and a readable storage medium. Freezing of the refrigerating chamber can be avoided while the refrigerating effect of the refrigerating chamber is guaranteed, and the refrigerator use experience of a user is improved.

The invention relates to refrigerating device capable of being used outdoors for a long time. The refrigerating device capable of being used outdoors for a long time comprises a refrigerating barrel for holding food materials, wherein an upper cover and a lower cover are arranged at the upper end and the lower end of the refrigerating barrel in a covering way; buckles are fixedly arranged on the outer side wall of the refrigerating barrel; and the lower cover and the upper cover are fixedly connected with the refrigerating barrel through the buckles. The refrigerating barrel with the two communicating upper end and lower end is arranged, a half-opened cover plate is arranged on the upper cover, and a suddenly opened gap is smaller relatively, so that the refrigerating barrel cannot carry out heat exchange with the outside easily; meanwhile, a heat-insulation shielding membrane is arranged in the refrigerating barrel, a first membrane body and a second membrane body bend downwards underpressure when the food materials are placed in the refrigerating barrel, the food materials are leaked on the lower cover, and the heat-insulation shielding membrane is rebounded and goes back to theinitial state so as to seal a lower space, so that the occurrence of the phenomenon that a cold source in the lower space is diffused outwards can be reduced, the heat loss is reduced, a refrigerating effect is kept, and the dosage of liquid nitrogen is reduced.

The invention provides a cold chain logistics method, and relates to the technical field of transportation. The method comprises the following steps: loading goods into a thermal insulation box; and selecting a transportation means for the transportation section according to the estimated transportation time of the goods from a departure point to a destination: when the estimated transportation time is not larger than the insulation time of the insulation box, selecting an ordinary transportation means and loading the insulation box into a transportation room of the ordinary transportation means, and when the estimated transportation time is larger than the insulation time of the insulation box, choosing the transportation means with a cold storage and loading the insulation box into the cold storage of the transportation means. The thermal insulation box comprises an inner tank, a cold storage device and an outer shell; the cold storage device is arranged in the inner tank; and the outer shell is detachably sleeved outside the inner tank. In the case of long-distance cold chain transportation of goods, when the estimated transportation time is not larger than the insulation time of the insulation box, the ordinary transportation means can be chosen to transport the insulation box containing the goods to the destination without the need of refrigerated trucks, so that the use of the refrigerated trucks is reduced, and the cost of cold chain transportation is saved.

The invention relates to the technical field of food production and processing, in particular to a food refrigeration system. The food refrigeration system comprises a refrigeration house; a pluralityof cooling pipes are arranged on the inner wall of the refrigeration house and communicated with a refrigerator; a liquid storage tank is arranged at the bottom of the refrigeration house and communicated between the cooling pipes and the refrigerator; a cooling tank is arranged on ground of the refrigeration house; a liquid outlet pipe is communicated between the liquid storage tank and the cooling tank; a pressure valve is arranged on the liquid outlet pipe; and a supporting net is arranged at the top of the cooling tank and connected with the ground of the refrigeration house. According tothe food refrigeration system provided by the invention, coolant in the cooling pipes and the liquid storage tank is automatically discharged into the cooling tank after power failure, cold air is supplemented to the refrigeration house, and the problems that an existing refrigeration house cannot supplement cold air to the refrigeration house in the power failure rush repair process, and food isprone to being damaged due to temperature rise are solved.

The invention relates to the field of remote monitoring management systems, in particular to an electric refrigerator car remote real-time monitoring intelligent management system which comprises a remote monitoring center, an in-car control system, a temperature monitoring module, a humidity monitoring module, a GPS positioning module, an engine rotating speed monitoring module, a door opening and closing monitoring module and a voice alarm module. The in-vehicle control system comprises a wireless communication module, a controller and a timing module; the controller is electrically connected with the temperature monitoring module, the humidity monitoring module, the GPS positioning module, the engine rotating speed monitoring module and the door opening and closing monitoring module. The controller is in control connection with the voice alarm module. The refrigerator car can be remotely monitored, a driver can be guided to run at a proper engine rotating speed, electricity shortage of a storage battery is prevented, and in addition, the driver can be reminded to turn off a refrigerating unit when goods are loaded and unloaded.

The invention discloses a portable refrigerator for cold chain logistics, which comprises a box body and a box cover. The lower part of the body is provided with a supporting plate slidingly connected with the inner wall, and a coolant bag is provided at the bottom of the box body. The side of the coolant bag is connected with a supplementary pipe. hole; when the device is placing materials, the supporting plate can be rotated relative to it and slide along the inner wall of the box by rotating the adjusting lever, and the height of the supporting plate can be adjusted, thereby adjusting the distance between the material and the box cover , during the long-distance transportation, avoid the damage caused by the collision between the materials and the collision between the materials and the inside of the box when shaking occurs, improve the adaptability of the device, and ensure the refrigeration effect through the height-adjustable coolant bag , to ensure the safe refrigeration of materials during long-distance transportation.

The invention relates to a refrigerator rack which comprises a refrigerator and a hollow rectangular-structure rack body with an opening at one end, and the rack body composed of an upper baffle, a lower baffle, a left baffle, a right baffle and a rear baffle. The rack body is arranged in the refrigerator and provided with goods storing boards and separating boards, wherein the goods storing boards are arranged on the rack body in a movable manner and the separating boards are connected with the goods storing boards in a movable manner. The upper baffle, the lower baffle, the left baffle, the right baffle, the rear baffle, the goods storing boards and the separating boards are all of a rectangular net structure. According to the refrigerator rack, direct contact of goods and refrigerator walls can be avoided and the goods are prevented from being contaminated by water drops on the refrigerator walls. The cold storage effect of the goods in the refrigerator is guaranteed, while the separating boards can divide the rack body into a plurality of cell boxes to facilitate classification storing of the goods, so that the goods are prevented from being taken mistakenly and are convenient to take.

The invention relates to the technical field of food production and processing, in particular to a food refrigeration system, which includes a cold storage. A plurality of cooling pipes are arranged on the inner wall of the cold storage. The cooling pipes are connected to a refrigerator. Between the pipe and the refrigerator, there is a cooling tank on the ground of the cold storage. A liquid outlet pipe is connected between the liquid storage tank and the cooling tank. A pressure valve is installed on the liquid outlet pipe. A support net is arranged on the top of the cooling tank. ground connection. The invention automatically discharges the coolant in the cooling pipe and the liquid storage tank into the cooling tank after the power is cut off, and supplements the cold air for the cold storage, which solves the problem that the existing cold storage cannot replenish cold air for the cold storage during the repair process of the power failure, which may easily cause food to be damaged. The problem of damage due to elevated temperature.

The invention discloses a food storage device for a food processing center, specifically relates to the technical field of food storage, comprising a storage box body, a transmission seat arranged inside the storage box body, and preservation boxes symmetrically distributed on the transmission seat. A transmission belt is provided outside the seat, and a storage box is provided on the side of the transmission belt far away from the transmission box. There are gears, the transmission belt is provided with tooth grooves meshing with the gears, the inside of the transmission seat is provided with a servo motor connected to the transmission rod, and the top of the transmission seat is symmetrically provided with grooves. The present invention is equipped with a preservation box, and the user can store fruits and vegetables, aquatic products, meat and other foods that need to be stored in the preservation box separately, which not only facilitates the taking of the food, but also avoids the occurrence of odors of different types of food.

The invention discloses a splicing type refrigeration cylinder which is formed by combining a circulation part and a refrigeration part. The refrigeration part comprises multiple refrigeration units combined mutually; openings are formed in the end surfaces of the refrigeration units; sealing covers are movably connected to the openings; cooling pipelines are arranged in the refrigeration units; the circulation part is used for providing a flowing cold source; and when the refrigeration cylinder is combined, the cooling pipes communicate with each other, the cold source can flow in the coolingpipelines, and the cooling pipes and the circulation part form a complete loop. According to the splicing type refrigeration cylinder provided by the invention, by adopting the design combining the multiple refrigeration units, different objects can be stored independently so as to be conveniently stored and carried; and the circulation part is further arranged for cooling the refrigeration units, so that the temperature in each refrigeration unit keeps stable, and a refrigeration effect is ensured.

The invention discloses a logistics management method based on big data, and belongs to the technical field of information, and the method can achieve the real-time and effective supervision of each flow of cold-chain logistics through a big data processing system. A background supervisor and a user can conveniently know the transportation track and the transportation temperature of the transportation goods in real time, interference processing is carried out on the transportation goods which deviate from the preset transportation track or the actual transportation temperature exceeds the preset temperature interval in time, in the transportation process, tracking monitoring is carried out on the cold chain transportation vehicle through a big data processing system. Once a traffic accident occurs, a background supervisor can timely know the condition and notify an adjacent worker to handle the condition, cold-chain transportation goods which are not signed in time are stored through the constant-temperature storage cabinet at the tail end of logistics transportation, the situation that the quality of the transportation goods is affected due to the fact that the storage temperature fluctuates greatly is prevented, and the constant-temperature storage cabinet is of a combined structure. Therefore, different temperature requirements can be met.

The invention discloses an intelligent temperature control method of a fridge refrigerating chamber, a device and a fridge. The intelligent temperature control method includes the steps: dividing the refrigerating temperature range of the fridge refrigerating chamber into a plurality of storage temperature ranges, and acquiring average storage temperature of each storage temperature range; identifying refrigerated food to obtain food information; calling a preset food temperature database according to the food information to obtain the amount of the refrigerated food corresponding to each storage temperature range, and acquiring the percentage of the amount of the refrigerated food corresponding to each storage temperature range; calculating refrigerating chamber set temperature according to the percentage of the amount of the refrigerated food corresponding to each storage temperature range and the average storage temperature of each storage temperature range, and controlling the temperature of the fridge refrigerating chamber according to the refrigerating chamber set temperature. According to the intelligent temperature control method, the refrigerating chamber set temperature can be acquired according to storage temperature of various food materials in the fridge refrigerating chamber, and the fresh-keeping effect of the food is greatly improved.