151 results about "Refrigerator car" patented technology

The utility model discloses a refrigerator car rear-mounted refrigerating device which comprises a fixed bottom plate, an inclined bottom plate inclining upwards is integrally arranged on the front side of the fixed bottom plate, and a fixed frame with the upper surface being a horizontal plane is fixedly installed on the upper surface of the fixed bottom plate and the upper surface of the inclined bottom plate. The fixing frame is fixedly installed at the position, located between the two rear wheels, of the rear side of the bottom of the chassis of the refrigerator car body, and the refrigerating device has the beneficial effects that the refrigerating device is fixedly installed at the position, located between the two rear wheels, of the rear side of the bottom of the chassis of the refrigerator car body; maintenance operation can be conveniently carried out from the bottom, the operation space is large, convenience of maintenance work is improved, the distance between the refrigeration device installed on the rear side of the refrigerator car and a refrigerator compartment on the rear side of the car body is shortened, and connecting and fixing pipelines of the refrigeration device, an inner unit in the compartment and an air inlet are short, so that maintenance is convenient. The refrigeration effect is improved, and the probability of faults is reduced.

The invention relates to the technical field of refrigerator car cargo quantity monitoring, and discloses a refrigerator car cargo full-automatic loading and unloading monitoring and real-time cargo quantity tracking method. The method comprises the steps that multiple types of intelligent sensing devices are deployed, and cargo weight signals, position signals and loading and unloading action signals of a loading and unloading area of the refrigerator car are collected; extracting relevance characteristics of cargo weight and position signals, and adjusting characteristics of loading and unloading events on the two types of signals; on the basis of the features, generating state features representing cargo quantity states, and obtaining target cargo quantity probability distribution; performing interference suppression on the original sensing signal by using the probability distribution, and separating a target weight waveform and a target position signal of the target cargo; and finally, real-time goods quantity tracking of the goods is realized through a cloud big data analysis platform in combination with GPS / Beidou positioning data. According to the method, through multi-source signal fusion, feature deep mining and interference suppression processing, full-automatic monitoring and cargo quantity dynamic tracking in the cargo loading and unloading process of the refrigerator car are achieved.

The invention discloses an intelligent logistics management method and system, and the method comprises the steps: analyzing the influence of environment data on the temperature change in a refrigerator car, analyzing the influence of the temperature change in the refrigerator car on the form of goods, obtaining the vulnerability degree grade of the goods, analyzing the path characteristics between the refrigerator car and a transfer station, and obtaining the vulnerability degree grade of the goods. Analyzing the predicted transportation time of the transportation paths based on the path characteristics, screening the transportation paths based on a set time threshold value, analyzing the jolting characteristics of the transportation paths and the influence of the cargo vulnerability degree on the score of the transportation paths to obtain a comprehensive score of the transportation paths, and selecting a target transportation path according to the comprehensive score, the method comprises the steps that the running time of a refrigerator car in a target transportation path is analyzed in real time, proofreading is conducted on the basis of the running time and predicted time, the influence of the bumping degree of the transportation path and the goods vulnerability degree on cost loss is analyzed to obtain loss cost, and the transportation path is adjusted according to the loss cost. The method has the characteristics of reducing cost and improving accuracy.

The utility model relates to the field of refrigerator car distance measurement based on laser radar, and discloses a height limit detection early warning unit used for a refrigerator car and based on laser radar, which comprises a shell, a laser radar sensor, a processor and an early warning device, and is characterized in that the laser radar sensor is used for measuring the distance between the refrigerator car and a height limit rod; the laser radar sensor, the processor and the early warning device are electrically connected in sequence, the laser radar sensor, the processor and the early warning device are all located in the shell, and the shell is installed outside the front end of a carriage of the refrigerator car. According to the scheme, the laser radar sensor is applied to the refrigerator car, the distance between the refrigerator car and the height limiting rod is conveniently measured, the distance between the refrigerator car and the height limiting rod is accurately obtained in real time, and therefore the safety and efficiency of the refrigerator car are improved.

The invention discloses a refrigerated vehicle distribution path optimization method based on an evolutionary algorithm, and the method comprises the steps: 1, analyzing the demands of perishable goods for different transportation temperatures and the adaptation relation between different transportation temperature intervals of a heterogeneous refrigerated vehicle, and building a heterogeneous refrigerated vehicle distribution problem model; 2, two-stage optimization is carried out, in the first stage, a potential path of each refrigerator car is generated based on an evolutionary algorithm, and in the second stage, a comprehensive path scheme is generated through a path clustering and fusion mechanism; 3, iteratively searching a potential single path based on an evolutionary algorithm, regularly performing local search operation on the population to generate a potential path set, clustering the path set by using a clustering method, selecting paths in different clusters for multiple rounds for aggregation, and processing non-accessed clients to form a complete path scheme; and finally, outputting an optimal perishable goods refrigeration distribution scheme. According to the method, the problem of heterogeneous refrigeration vehicle distribution path optimization can be solved, and the goods loss is reduced to the maximum extent while the perishable goods distribution cost is reduced.

The invention belongs to the technical field of fresh keeping, and discloses a high-maturity small white apricot ethylene regulation and dynamic controlled atmosphere synergistic fresh keeping method which comprises the following steps: after packaging by a special net cover, pre-cooling in time, and synchronously carrying out 1-MCP fumigation and stage I controlled atmosphere treatment; a refrigerator car transportation or common car heat preservation and cold storage transportation mode is adopted, and stage II controlled atmosphere treatment is synchronously carried out in the logistics link; transferring into a modified atmosphere packaging box of which the inner surface is covered with a photocatalytic fresh-keeping coating, entering a goods shelf, and synchronously carrying out stage III modified atmosphere treatment. According to the invention, a synergetic technology of ethylene dynamic control and self-adaptive adjustment of modified atmosphere parameters is adopted, a full-chain linkage fresh-keeping technology system covering production area-logistics-shelf is constructed, and the core problems of difficulty in ethylene sensitive fresh-keeping, link splitting, high cost and the like in the small white apricot industry are solved. The technology has been applied in Xinjiang Uygur autonomous region warehouse car and wheel platform demonstration bases, the shelf life of eight-mature small white apricots reaches 10-15 days, and the intact fruit rate is 92% or above and is prolonged by 3-5 times compared with a traditional technology.

The invention relates to the technical field of cold-chain transportation, and discloses a fruit and vegetable cold-chain logistics transportation box which comprises a plurality of self-adaptive transportation boxes arranged in a stacked mode, the self-adaptive transportation boxes serve as storage devices of fruits and vegetables, and left-right symmetrical closed storage cavities capable of being opened and closed are formed in the self-adaptive transportation boxes; the central circulation channel vertically penetrates through the center of the self-adaptive transportation box and serves as an external cold air circulation channel, and a gas flow guide part is arranged in the central circulation channel; according to the device, the dual-mode intelligent switching arrangement is adopted, an external cold source (such as cold air of a refrigerator car) is preferentially utilized, the cold air is efficiently distributed through the central circulation channel and the flow guide system, and the energy consumption of an internal refrigerator is reduced; the internal circulation mode is automatically switched only when external cold air is insufficient, energy waste is remarkably reduced, the brushless direct-current flow guide fan is dynamically started and stopped according to temperature data, the problem of high power consumption caused by continuous operation is avoided, and the energy-saving air conditioner has the advantages of being high in practicability and saving energy.

The invention provides a refrigerator van convenient for loading and unloading raw meat, and relates to the technical field of refrigerator cars. The refrigerator van facilitating loading and unloading of the raw meat comprises a refrigerator van body and a meat hanging rod, two mounting rails are fixedly connected to the interior of the refrigerator van body, and overturning frames are rotationally connected to the two inner side walls of the refrigerator van body. According to the refrigerator van convenient to load and unload raw meat, the arranged driving mechanism drives the meat hanging rod mounted between the two mounting blocks to turn over under the connecting action of the turnover frame, when the mounting blocks turn over to one ends of the mounting rails, the two sliding ways are aligned, and the meat hanging rod slides to the position between the two mounting blocks from the position between the two mounting rails; the two mounting blocks are driven again to turn over to the box door so that the meat on the meat hanging rods and the meat hanging hooks can be conveniently unloaded, the two mounting blocks provided with the meat hanging rods are turned over to one ends of the mounting rails, the meat hanging rods on the mounting blocks slide to the position between the two mounting rails, rapid loading is completed, and the loading and unloading efficiency is greatly improved.

The utility model relates to a top-mounted integrated refrigeration equipment relates to the technical field of refrigeration equipment of refrigerator car, including the integrated support of being located at the top of the carriage and the compressor assembly, condenser assembly and evaporator assembly of being located on integrated support, integrated support has the convex part that protrudes upwards to the protrude, the protrude separates integrated support into the condensing area of being located at the front end and the evaporation area of being located at the rear end, and the air avoidance area is formed between the protrude and the top of the carriage, and the compressor assembly, condenser assembly and evaporator assembly are integrated and set up together, and the condensing area and evaporation area are separated through the convex part, and the refrigeration system refrigerant flow is short, and the oil return is quick, and through the interference of the pipeline and wire harness of avoiding the air avoidance area and avoiding the top of the carriage position, compared with the split type design, the whole structure is simple, and the installation volume is small, and it is more convenient to install and maintain, and the refrigeration equipment whole installation is in the top of the carriage, and the heat dissipation effect is improved, and does not influence the load space in the carriage.

The utility model relates to the technical field of refrigerating units for refrigerator cars, in particular to an electric control device and a refrigerator car refrigerating unit, which comprises an electric control box, heat dissipation openings are arranged on two sides of the electric control box, a limit frame is mounted on one side of each heat dissipation opening, a dustproof net plate is slidably inserted in the limit frame, a connecting block is arranged at the bottom of the dustproof net plate, and a limit hole is arranged on the connecting block. A limiting rod is arranged on one side of the limiting hole, one end of the limiting rod is fixedly connected with a bevel transmission rod, one end of the bevel transmission rod is slidably connected with a bevel driving rod, the other end of the bevel transmission rod is slidably connected with a bevel driven rod, and the bevel driven rod is sleeved with a reset spring. The inclined face driving rod is indirectly driven to move downwards or downwards by screwing the bolt in the forward direction or the reverse direction, the limiting rod is driven to be slidably inserted into or pulled out of the limiting hole formed in the connecting block under sliding extrusion fit among the inclined face driving rod, the inclined face transmission rod and the inclined face driven rod, rapid disassembly and assembly of the dustproof net plate are completed, operation steps are simplified, and the working efficiency is improved. And later cleaning is facilitated.

The invention discloses a refrigerated transportation temperature and humidity control method and device and a storage medium, and relates to the technical field of transportation, and the method comprises the steps: carrying out the real-time monitoring of a transportation carriage through a temperature sensor and a humidity sensor, and obtaining the environment data of the carriage; according to the carriage environment data, adjustment analysis is carried out through the feedback controller, and an analysis result is obtained; and on the basis of the analysis result, the temperature and humidity of the transport carriage are controlled through the hydraulic controller, and a control result is obtained. Therefore, the problem that the fresh-keeping effect is poor due to the fact that the refrigerator car cannot be adjusted according to actual temperature and humidity changes in the transportation process is solved, and the accuracy of temperature and humidity control over refrigerated transportation is improved.

The utility model relates to a new energy commercial refrigerator car thermal insulation door, which relates to the technical field of refrigerator car thermal insulation doors, and comprises a car rear door and a thermal insulation plate arranged on the inner side of the car rear door, the thermal insulation plate is connected with the car rear door through a connecting component, and the thermal insulation plate is provided with avoidance openings in one-to-one correspondence with protruding parts on the car rear door. The heat preservation plate is directly arranged on the inner side of the vehicle rear door, the heat preservation plate is completely opened or closed along with the vehicle rear door, normal goods taking and placing operation is not affected, the protruding part on the vehicle rear door is avoided through the avoiding opening, and the situation that the heat preservation performance is reduced due to the fact that the protruding part of the vehicle rear door ejects the heat preservation plate is avoided; according to the door-in-door structure of the refrigerator car, the heat preservation plate and the car rear door are designed into a whole, heat preservation and sealing can be achieved, the function of an original door before modification can be guaranteed, waste of the space occupied by the door-in-door in the car is reduced, meanwhile, the manufacturing cost is reduced, and therefore the heat preservation effect of the refrigerator car is improved, the cargo carrying space is increased, and the cargo taking and placing convenience is improved.

The double-temperature-zone module comprises a refrigerator compartment, a refrigerating unit and a fan module, the refrigerator compartment comprises a first temperature zone and a second temperature zone which are isolated from each other, the first temperature zone is provided with an air outlet duct, the air outlet duct extends to the second temperature zone, and the air outlet duct is provided with an air inlet and a first air outlet; the air inlet is located in the first temperature area, and the first air outlet is located in the second temperature area. The refrigerating unit is connected to the first temperature zone and used for adjusting the temperature of gas in the first temperature zone. The fan module is connected to the air outlet channel and used for guiding cold air in the first temperature area into the air outlet channel, and the air outlet direction of the fan module is the same as the length extending direction of the air outlet channel. The air outlet direction of the fan module is the same as the length extension direction of the air outlet duct, so that straight air outlet is realized, namely the air outlet of the fan cannot be directly blown to the inner wall of the air duct, the air resistance can be reduced, the air flow is smoother, and the refrigeration efficiency of the double-temperature-zone module can be improved.

The invention provides a cold storage type refrigerating system and a mutual aid type refrigerator car, and belongs to the technical field of refrigerator car refrigeration, and the cold storage type refrigerating system comprises a refrigerating module, a cold release module and a rescue module; the refrigeration module has a main exchange channel; the cold release module comprises a cold storage type evaporator and an air cooling type evaporator; a first heat exchange channel connected with the main exchange channel is arranged on the cold accumulation type evaporator; a second heat exchange channel connected with the main exchange channel is arranged on the air-cooled evaporator; the rescue module comprises a heat exchange connector set arranged on the cold storage type evaporator and a third heat exchange channel correspondingly connected with the main exchange channel. The third heat exchange channel of the fault vehicle is used for communicating with the heat exchange interface group of the rescue vehicle so as to charge cold to the cold accumulation type evaporator; the mutual assistance type refrigerator car comprises a refrigerating system. According to the cold accumulation type refrigerating system and the mutual assistance type refrigerator car, the continuity of cold release in the refrigerating compartment can be guaranteed, and economic losses are reduced.

The utility model discloses a refrigerating unit for a refrigerator car, which belongs to the technical field of refrigeration of the refrigerator car and comprises an exhaust top frame and a refrigerating mechanism arranged on one side of the exhaust top frame and used for conveying cold air through the exhaust top frame, and the refrigerating mechanism comprises a cooling calandria arranged on one side of the exhaust top frame and communicated with the exhaust top frame. And the through pipe is arranged on one side of the cooling calandria. The motor can be started while cold air is conveyed into a compartment, the exhaust hood can horizontally reciprocate in the compartment under the action of the motor, and the exhaust hood can drive the connecting straight pipe, the corrugated pipe and the switching straight pipe to move along with the exhaust hood and enable the switching straight pipe to bend and adapt while moving, so that normal conveying of the cold air is not affected. Therefore, the cold air is uniformly conveyed into the compartment, the cold air can be more uniformly distributed to each corner of the compartment, the temperature difference in the compartment is reduced, and the freshness and the quality of goods are ensured.

The invention relates to the technical field of beef and mutton transportation and preservation, and discloses beef and mutton cross-domain transportation and preservation equipment which comprises a preservation cabinet and a controller, a box cover is hinged to one side of the top of the preservation cabinet, the transportation and preservation equipment is controlled through the controller, and universal wheels are arranged at the bottom of the preservation cabinet. According to the beef and mutton transportation fresh-keeping equipment, after beef and mutton are put into the fresh-keeping assembly, the box cover and the fresh-keeping cabinet are closed, the fresh-keeping cabinet is conveyed into a refrigerator car, a screw is rotated, the fresh-keeping assembly is opened, the fresh-keeping assembly is closed, the fresh-keeping assembly is opened, the fresh-keeping assembly is closed, the fresh-keeping assembly is opened, and the fresh-keeping assembly is closed. The screw drives the adjusting square pipe and the ejector rod to close the ventilation pipe, at the moment, the cold air inlet, the connecting pipe, the through groove and the butt joint opening are communicated, namely, the cold air inlet is communicated with the interior of the fresh-keeping cabinet, the suction cup is pushed to make contact with the inner wall of the vehicle, the suction cup is adsorbed to the inner wall of the vehicle, and cold air in the vehicle can enter the fresh-keeping cabinet to keep beef and mutton fresh while the box cover and the fresh-keeping cabinet are limited.

A door frame device and an insulated railway truck. The door frame device comprises: a support door frame (10), which is connected to a truck body; a force-bearing door frame (20), which is connected to the truck body and is spaced apart from the support door frame (10); and a heat insulation door frame (30), which is arranged between the support door frame (10) and the force-bearing door frame (20) and is connected to the support door frame (10) and the force-bearing door frame (20).

The utility model belongs to the technical field of textile auxiliary equipment, and relates to a spinning assembly heat preservation device which comprises a heat preservation box body and an assembly handle. A through hole is formed in the top of the heat preservation box, the assembly handle penetrates through the through hole, and the lower end is located in the heat preservation box. The lower end of the assembly handle is provided with threads used in cooperation with the spinning assembly. The bottom of the heat preservation box body is a normally-closed horizontal bottom plate capable of being opened and closed bidirectionally. The problem that a traditional heat preservation vehicle is heavy and inflexible is solved, the assembly loading efficiency is improved, and meanwhile the temperature loss and the scalding risk of the assembly in the transportation process are avoided.

The utility model discloses a drawing goods shelf structure of a refrigerated and insulated van, which is mounted in a carriage and comprises a left connecting plate and a right connecting plate which are mounted on two sides of the carriage, the left connecting plate and the right connecting plate are connected with a lower cross beam in a sliding manner, and the lower cross beam is fixedly connected with an upper cross beam. Limiting groove sets and / or limiting holes are formed in the corresponding positions of the lower cross beam and the upper cross beam and used for limiting the supporting beams. The structure design is reasonable, installation is convenient and fast, the space in a compartment is reasonably utilized, and the structure is suitable for being popularized and modified in van type trucks and refrigerator cars in the prior art.

The multi-layer cold-chain logistics transport vehicle comprises a refrigerator car, the refrigerator car comprises a car head and a car box, and a plurality of bearing mechanisms used for loading are arranged on the inner wall of the car box; the bearing mechanism comprises a partition plate, an expansion assembly and a supporting assembly, an adjusting module is arranged in the partition plate, the expansion assembly comprises a connecting rod and a fixing box, and the supporting assembly comprises a fixing module, a supporting rod and a rod sleeve. The inner wall of the carriage of the refrigerator car is provided with a plurality of left and right corresponding partition plates, the inner space of the carriage can be divided into multiple layers, different goods can be conveniently stored, the use length of the partition plates can be increased through the fixing boxes, and therefore the partition plates located on the two sides can be adjusted and expanded, and the storage efficiency is improved. And an aisle can be reserved in the carriage, so that the cargoes can be conveniently stacked, sorted, taken and placed, and the process of planning and arranging the cargoes in the carriage can be more convenient.

The invention discloses a refrigerator car body device made of a high-strength composite thermal insulation material, and belongs to the technical field of refrigerator cars. A movable top cover drives a fixed top cover to rotate around a pin shaft connected with the inner wall of a fixed frame to a horizontal state, and meanwhile, a clamping rod is clamped into a clamping groove until the clamping rod completely penetrates through two barrier strips; at the moment, the first spring resets to enable the two barrier strips to get close to each other, the clamping rod is clamped between the two barrier strips, automatic locking of the clamping rod is achieved, and the protection assembly is synchronously linked to protect the upper portion of the fixing frame; when the fixing frame is disassembled, the two handles, corresponding to the fixing frame, on the transverse rod are unfolded, the two blocking strips are made to be separated from the clamping rod, the second spring pushes the ejector block to abut against the clamping rod tightly, the clamping rod is ejected out of the clamping groove, and the purpose of disassembling the fixing frame is achieved, so that the refrigerator car body is assembled in a modular design mode, and an interchangeable and standardized modular system is formed; and the operation difficulty is low, the production cost is reduced, and meanwhile maintenance work of the refrigerator car is facilitated.

This application discloses a door locking mechanism, a door, and a railway refrigerated car, belonging to the field of railway vehicle technology. The door locking mechanism is connected between the door body and the door frame and includes: a first locking assembly connected between the door body and the door frame; a drive mechanism connected to the first locking assembly to drive the first locking assembly to perform locking or unlocking operations; a second locking assembly connected between the door body and the door frame; and a transmission assembly connected between the drive mechanism and the second locking assembly to simultaneously drive the second locking assembly to perform locking or unlocking operations when the drive mechanism drives the first locking assembly to perform locking or unlocking operations. The door locking mechanism, door, and railway refrigerated car provided by this application can improve the reliability and stability of door locking.

A railway mechanical refrigerator car, comprising: a car body (10); two door frame assemblies (20), which are respectively arranged on two sides of the car body (10), each of the door frame assemblies (20) comprising two door frames (201) spaced apart from each other; a partition member (30), which is arranged between two of the door frames (201) and slidably arranged in the car body (10) so as to divide the car body (10) into two compartments; and two heat exchange assemblies (40), which are respectively arranged in the two compartments.

The refrigerating unit comprises a condenser, a compressor, an evaporator, a first expansion valve and a flow path switching device, the flow path switching device is provided with an inlet, a first outlet and a second outlet, the inlet communicates with an exhaust port of the compressor, the first outlet communicates with the first end of the condenser, and the second outlet communicates with the second end of the condenser; the second end of the condenser communicates with the first end of the first expansion valve, the second end of the first expansion valve communicates with the first end of the evaporator, the second end of the evaporator communicates with an air suction port of the compressor, and the second outlet communicates with the first end of the evaporator; in the refrigeration mode, the flow path switching device is operated, so that the inlet is communicated with the first outlet, and the inlet is cut off from the second outlet; and in the heating mode, the flow path switching device is operated, so that the inlet is communicated with the second outlet, and the inlet is cut off from the first outlet. Compared with the condition that a heating module is externally arranged on a traditional refrigerating unit and power is supplied independently, an external heating module and a leading cable are not needed, and the operation safety of the refrigerator car is improved.

The utility model relates to the technical field of carriage shelves, and discloses a refrigerator car carriage shelf which comprises a fixed installation assembly, the fixed installation assembly comprises a fixed installation plate, the left side wall and the right side wall of the fixed installation plate are each provided with a sliding rod, and a movable installation plate is jointly installed on the two sliding rods in a sliding mode. A group of connecting arms are symmetrically arranged on the top surface of the movable mounting plate left and right, a two-way screw rod is rotatably connected between the connecting arms, the end part of the two-way screw rod penetrates through the connecting arms and then is coaxially connected with a motor II, a sliding groove is formed in the top surface of the movable mounting plate and between the connecting arms, and two I-shaped sliding blocks I are slidably connected in the sliding groove; and the bottom surfaces of the two I-shaped sliding blocks I are connected and provided with a plurality of groups of storage rack assemblies. The movable installation assembly controls the storage rack assemblies to go in and out of the carriage of the refrigerator car, the body health of workers is effectively protected, the space utilization rate in the carriage of the refrigerator car is greatly improved through the connecting rod recovery design of the storage rack assemblies, and the working efficiency is improved.

The utility model belongs to the technical field of refrigerated trucks, and particularly relates to a top lifting device for a refrigerated truck, which comprises a refrigerated truck carriage, a plurality of annular I-shaped steel arranged side by side are arranged at the top of the inside of the refrigerated truck carriage from outside to inside, an annular track is formed on the annular I-shaped steel, a plurality of movable moving components are arranged on the annular track, and the movable moving components are arranged on the top of the refrigerated truck carriage. A hook used for hanging meat is arranged below each moving assembly, steel wire ropes used for pulling are arranged on the inner sides of the multiple moving assemblies, the head ends and the tail ends of the steel wire ropes are connected, and multiple guide wheels used for guiding the steel wire ropes are arranged at the two ends of the bottom of the annular I-shaped steel. According to the meat hanging device, the annular I-shaped steel of the annular structure is additionally arranged, and the hooks are movably installed on the annular I-shaped steel through the moving assemblies, so that meat can be sequentially hung in the refrigerator compartment from the outside of the refrigerator compartment, and an operator does not need to enter the refrigerator compartment for hanging operation.

The utility model discloses an adjustable double-layer refrigerator car carriage, which relates to the technical field of cold chain transportation and comprises a carriage body, a partition plate slidably mounted in the carriage body to realize transverse double-layer separation of the internal space of the carriage body, and an adjusting mechanism connected between the carriage body and the partition plate to realize position adjustment of the partition plate. According to the adjustable double-layer refrigerator car compartment, the position of the partition plate in the compartment body can be adjusted through the adjusting mechanism, then the space in the compartment body can be partitioned, transverse double-layer arrangement of the space in the compartment body is achieved, and the convenience of cargo loading can be improved; different refrigeration temperatures can be controlled for the separated space, the temperature control accuracy can be improved, meanwhile, the size of the separated space can be adjusted by adjusting the partition plate, adaptive adjustment can be conducted according to the space needed by goods with different temperature requirements, and the space can be adjusted more conveniently. And the space utilization rate of the adjustable double-layer refrigerator car carriage is improved.

The utility model relates to the field of special refitted tank cars, in particular to a cold insulation tank car which comprises a car chassis and an air source, a protective shell is fixedly mounted on the upper surface of the car chassis, a foaming heat insulation and cold insulation layer is arranged on the inner wall of the protective shell, and an inner tank body is fixedly connected to the inner wall of the foaming heat insulation and cold insulation layer; the inner tank body and the protective shell are transformed to form the cavity, then the cavity is filled with the cold insulation material, the foaming heat insulation and cold insulation layer is generated, then the protective shell is polished and finished, the surface of the protective shell is wholly coated with glass fiber reinforced plastic, and therefore the moisture-proof effect of the device can be achieved, and meanwhile the medium cold loss in the tank is reduced; and compared with a refrigerator car, a refrigerating machine is not needed, oil consumption in the transportation process is reduced, the using cost of the whole car is lower, the loading capacity is improved, and the protective shell is round, so that the pressure bearing capacity and the deformation resistance capacity are better.

The invention discloses a cold-chain logistics data supervision method and system based on the Internet of Things, and belongs to the technical field of logistics data processing. The system comprises a data acquisition module, a data analysis module, a risk management module and an execution supervision module. The data acquisition module is used for acquiring historical logs and parameter information of the refrigerator car and logistics details of this time; the data analysis module is used for predicting the next unloading duration, generating a temperature field evolution video by adopting a physical simulation model, and dividing an influence area for each cargo after deframing; the risk management module is used for calculating the average temperature of the influence area so as to analyze the risk index of each cargo; and the execution supervision module analyzes and marks the goods according to the risk indexes, establishes schemes for the marked goods, adjusts the sequence of the schemes and executes the schemes in sequence. According to the invention, through Internet of Things multi-source data perception, dynamic risk modeling and priority temperature control strategies, cold-chain logistics full-link refined management and control are realized, and the fresh food quality and transportation efficiency are significantly improved.