WO2020001500A1

WO2020001500A1 - Storage and transportation apparatus, cold chain container, cold chain transportation vehicle, mobile refrigeration house and refrigerator

Info

Publication number: WO2020001500A1
Application number: PCT/CN2019/093115
Authority: WO
Inventors: 胡宏利; 孟娣; 丁玉龙; 聂彬剑; 李子潇; 赵军鹏; 张贝; 童山虎; 廖良金
Original assignee: 中车石家庄车辆有限公司
Priority date: 2018-06-29
Filing date: 2019-06-26
Publication date: 2020-01-02
Also published as: CN109229996A

Abstract

Provided are a storage and transportation apparatus, and a cold chain container, a cold chain transportation vehicle, and a mobile refrigeration house and refrigerator comprising the apparatus. The storage and transportation apparatus comprises a heat insulation box and a plurality of passive energy storage units arranged in the heat insulation box, wherein the plurality of passive energy storage units are connected with one another, a cold charging pipeline is also comprised for providing cold carrier liquid for the passive energy storage units, the cold charging pipeline comprises a first cold charging pipe (13) and a second cold charging pipe (14), and the plurality of passive energy storage units are connected between the first cold charging pipe (13) and the second cold charging pipe (14). By means of the storage and transportation device, cold energy is stored and released through a phase-change material, the refrigeration environment of a heat insulation device is maintained without a power supply, passive refrigeration is achieved without providing a power source, and the refrigeration temperature in the heat insulation box is further guaranteed through the arrangement of the passive energy storage units and the cold charging pipeline.

Description

Storage and transportation equipment, cold chain containers, cold chain transport vehicles, mobile cold storage and freezer

Technical field

The present invention relates to a cold chain transportation system, and in particular, to a storage and transportation device capable of meeting different requirements for transportation temperature of goods.

Background technique

Fresh products such as vegetables and fruits, processed foods such as frozen foods and dairy products, and various types of injections, medicaments, vaccines and other pharmaceutical products should always be in the specified temperature environment during production, storage, transportation, and sales, and in all links before consumption. The storage and transportation of these items must rely on special equipment, and the temperature maintained in the special equipment varies with the types of items being transported. The temperature range provided by refrigerated transportation equipment is -18 ° C to -22 ° C, the temperature range provided by refrigerated transportation equipment is 0 ° C to 7 ° C, and the temperature range provided by constant temperature transportation equipment is 18 ° C to 22 ° C.

In order to maintain the temperature in the thermal insulation transportation equipment within a predetermined constant range, the thermal insulation equipment must have a special structural design. Patent KR200231247Y1 discloses a refrigeration system using phase change materials. The refrigeration system includes a cold chain transport vehicle and a cooling and cooling device independent of the cold chain transport vehicle. The cold chain transport vehicle has an energy storage device. A heat exchanger and a heat exchanger are provided in the energy storage device. Phase change material, external charge and cool equipment charge and cool the energy storage device. However, the arrangement of the charging and cooling pipelines of the patented energy storage unit is unreasonable and cannot guarantee the refrigerating effect in the thermal insulation equipment.

Summary of the invention

The main purpose of the present invention is to provide a storage and transportation device, whose internal filling and cooling pipelines are reasonably arranged, and can guarantee the refrigerating effect in the thermal insulation equipment.

In order to achieve the above object, according to an aspect of the present invention, a storage and transportation device is provided, which includes a thermal insulation box and at least one passive energy storage unit disposed in the thermal insulation box, which is characterized by a plurality of passive energy storage The units are connected to each other, and also include a cooling and charging pipeline for supplying a cold carrier liquid to the passive energy storage unit. The cooling and charging pipeline includes a first charging and cooling tube and a second charging and cooling tube. Multiple passive energy storage units are connected between the pipes.

The following is a further optimization of the present invention:

Further, the cold carrier liquid flows through the first cold-charge tube, each passive energy storage unit, and the second cold-charge tube to form multiple fluid paths, and the strokes of each fluid path are the same. The flow rate of each passive energy storage unit is the same, which guarantees the same cold storage capacity of the phase change material stored in the passive energy storage unit at different locations in the transportation device, and achieves the effect of uniform temperature at different locations inside the storage and transportation device.

Further, a plurality of passive energy storage units are adjacent to each other and are arranged side by side in an arrangement direction, and the first charging and cooling pipes and the second charging and cooling pipes are respectively arranged at least partially along the arrangement direction of the plurality of passive energy storage units.

Further, a plurality of passive energy storage units are arranged on the top and / or end of the cabinet to form a top passive energy storage unit group and / or an end passive energy storage unit group. Multiple passive energy storage units can It better meets the temperature requirements of storage and transportation equipment.

Further, the passive energy storage unit has a plate-like design.

Further, one end of the first cold-filling pipe is a liquid inlet for filling a cold liquid, the other end of the first cold-filling pipe is closed, and the first cold-filling pipe is provided with multiple passive connections between one end and the other end. Coolant inlet for energy storage unit.

Further, a plurality of valves for adjusting the flow of the cold carrier liquid are arranged on the first charging and cooling pipe.

Further, one end of the second cold-charging tube is a liquid outlet for the cooling liquid, the other end of the second cold-charging tube is closed, and the second cold-charging tube is provided with multiple passive energy storage devices between one end and the other end. Coolant outlet of the unit.

Further, the second charging and cooling pipe is arranged around the outer boundary of the energy storage unit group formed by the plurality of passive energy storage units.

Further, a fixed bracket is arranged on the top and / or the end of the box, and the passive energy storage unit is arranged on the fixed bracket.

Further, the fixing bracket has a reinforcing rib.

Further, the passive energy storage unit includes a casing, a phase change material, and a heat exchanger. The interior of the casing defines a space for accommodating the phase change material. The heat exchanger is disposed in the space and is used to conduct the phase change material and the heat exchanger. For heat exchange, the heat exchanger includes at least one group of heat exchange units. The heat exchange unit includes a heat exchange body and a heat exchange reinforcement part, and the heat exchange reinforcement part strengthens heat conduction between the phase change material and the heat exchange body.

Further, the heat exchange reinforcing portion increases a contact area between the phase change material and the heat exchanger, and is disposed around the heat exchange body.

Further, the heat exchange reinforcing portion is provided to extend at least partially radially outward from the heat exchange body.

Further, the heat exchange reinforcing portion is provided to extend at least partially axially from the heat exchange body.

Further, the heat exchange enhancement parts are arranged at different axial heights of the heat exchange body.

Further, the heat exchange reinforcing portion is coiled around the heat exchange body in a spiral manner.

Further, one side of the heat exchange reinforcing portion supports the heat exchange body, and the other side is carried on the surface of the shell facing the phase change material.

Further, the heat exchange body includes a plurality of tube portions connected in sequence, the heat exchange reinforcement portion includes a heat exchange reinforcement unit for each tube portion, and adjacent heat exchange reinforcement units are at least partially thermally conductively connected to each other.

Further, adjacent heat exchange strengthening units are connected at least partially.

Further, the heat exchange body is configured as a bent tube, and the bent tube includes one or more U-shaped bends.

Further, the heat exchange enhancement unit includes a plurality of heat exchange fins.

Further, the heat exchange fins are straight or bent fins extending radially outward from the tube portion.

Further, the two ends of the plurality of tube portions are respectively communicated with the first charge-cooling pipe and the second charge-cooling pipe.

According to another aspect of the present invention, a cold chain transport vehicle is provided, including the storage and transportation device of any one of the above schemes. Passive cold storage technology is used in the cold chain transport vehicle, which separates the charging and cooling device from the cold chain transport vehicle, reduces the failure rate of the cold chain transport vehicle during transportation, and can also facilitate maintenance.

According to another aspect of the present invention, a mobile cold storage is provided, which includes the storage and transportation device of any one of the above solutions. Passive cold storage technology is used in mobile cold storage, which separates the charging and cooling device from the mobile cold storage, and does not need to provide additional cooling power. It is convenient for the mobile cold storage to be set up near communities, supermarkets and other living areas.

According to another aspect of the present invention, a refrigerator is provided, including the storage and transportation device according to any one of the above schemes. Passive cold storage technology is used in the freezer, which improves the cooling effect of the freezer and meets the transportation needs of the goods while being easy to transport.

The design of the charging and cooling pipelines of the storage and transportation device and the design of the heat exchange strengthening part inside the passive energy storage unit of the invention meet the requirement of uniform temperature at different positions inside the storage and transportation device, and accelerate the interior of the passive energy storage unit. The phase change material's cold storage process, and the above design can be used in cold chain containers, cold chain transport vehicles, mobile refrigerators or freezers.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings, which form a part of this application, are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and the descriptions thereof are used to explain the present invention, and do not constitute an improper limitation on the present invention. In the drawings:

1 is a schematic structural diagram of a storage and transportation device according to the present invention;

2 is a schematic structural diagram of the top of a cold chain container according to the present invention;

3 is a schematic structural diagram of an end portion of a cold chain container according to the present invention;

4 is an isometric view of an energy storage board according to the present invention;

5 is a schematic structural diagram of a heat exchanger in an energy storage plate according to the present invention;

6 is a schematic structural diagram of an energy storage board according to the present invention;

7 is a schematic cross-sectional view of a heat exchange fin with a clip structure according to the first embodiment of the present invention;

8 is a schematic cross-sectional view of a heat exchange fin according to a second embodiment of the present invention;

9 is a schematic cross-sectional view of a heat exchange fin according to a third embodiment of the present invention;

10 is a schematic cross-sectional view of a heat exchange fin according to a fourth embodiment of the present invention;

11 is a schematic cross-sectional view of a heat exchange fin according to a fifth embodiment of the present invention;

12 is a schematic cross-sectional view of a heat exchange fin according to a sixth embodiment of the present invention.

The above drawings include the following reference signs:

1: storage and transportation equipment;

11: top energy storage board, 12: end energy storage board, 13: first cold charging tube, 14: second cold charging tube;

111: shell, 112: heat exchanger, 113: radiating fins;

1121: heat exchange enhancement section, 1122: heat exchange body, 1123: first heat exchange unit, 1124: second heat exchange unit;

11211: first fin, 11212: second fin, 11213: third fin, 11221: first tube portion, 11222: second tube portion, 11223: third tube portion, 11224: fourth tube portion;

a: cold liquid inlet, b: cold liquid outlet, X: radial direction.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the drawings and embodiments.

The following further describes the present application in detail with reference to specific embodiments, which cannot be understood as limiting the scope of protection claimed by the present application. The term "comprising" when used indicates the presence of a feature, but does not exclude the presence or addition of one or more other features.

The storage and transportation device in the present invention is used in a cold chain transportation system. The storage and transportation device has a passive energy storage unit. The passive energy storage unit provides cold energy for the storage and transportation device to ensure freezing, chilled items or biological Product requirements for storage ambient temperature.

The storage and transportation device in this embodiment is used for the cold chain container 1, and may also be used for any of a cold chain transport vehicle, a mobile refrigerator, or a freezer; the passive energy storage unit in this embodiment has a plate-like design Energy storage board.

As shown in Figs. 1-3, the cold chain container 1 is used to store items. Therefore, during transportation, the temperature inside the thermal insulation box of the cold chain container 1 needs to be maintained within a predetermined temperature range. Based on the above requirements, the cold chain container 1 includes a thermal insulation box for storing items, a top energy storage board group that releases cold energy, an end energy storage board group, a first charging and cooling pipe 13 and a second charging and cooling pipe 14, The energy storage group and the end energy storage board group are arranged on the top and end fixed brackets of the cold chain container 1, which are adjacent to each other and arranged side by side. The fixed bracket is designed with embedded ribs that can simultaneously increase the strength of the cold chain container 1 box. The top energy storage plate group includes nine top energy storage plates 11, and the end energy storage plate includes one end energy storage plate 12, and the top energy storage plate 11, end energy storage plates 12 contain phase change materials, phase change materials inside. The density of cold storage is large, the release energy is uniform and isothermal, the cold quantity is continuously and evenly released, and the temperature is automatically adjusted to keep the ambient temperature constant near the phase change point temperature of the phase change material, and maintain the refrigerated or frozen environment in the box. After a certain time, it needs to be supplemented with cold energy. The first cold-charging tube 13 and the second cold-charging tube 14 receive the cold carrier liquid from the cold-charge equipment and deliver the cold carrier liquid to the top energy storage plate 11 and the end energy storage plate 12. The cold carrier liquid flowing in the first cold-charging tube 13 and the second cold-charging tube 14 performs heat exchange with the phase change material in the top energy storage plate 11 and the end energy storage plate 12 to cause a phase change in the phase change material. The cold capacity is stored in the phase change material.

As shown in Figure 4-5, the top energy storage plate 11 and the end energy storage plate 12 include two U-shaped tubes. Each U-shaped tube includes a cold carrier liquid inlet a and a cold carrier liquid outlet b. The liquid inlet a is in communication with the first cold-charging tube 13, the cold-carrying liquid outlet b is in communication with the second cold-charging tube 14, and the cold-carrying liquid inlet a is located below the cold-carrying liquid outlet b. The top energy storage plate 11 and the end energy storage plate 12 are connected in parallel through a first charging and cooling pipe 13 and a second charging and cooling pipe 14, and a cold carrier liquid flows through the first charging and cooling pipe 13, each passive energy storage unit and the first The two charging and cooling pipes 14 form a plurality of fluid paths, and the strokes of each fluid path are the same. The above design realizes that the cold carrier liquid flows through each energy storage board with the same stroke and the same flow rate, and can realize that the energy storage boards at different positions in the cold chain container have basically the same amount of cold storage, which guarantees different positions in the thermal insulation box of the cold chain container 1. The temperature is uniform.

As shown in Figure 2-3, one end of the first cold-charging tube 13 is a liquid inlet for filling a cold liquid, and the other end is closed. The first cold-charging tube 13 has a plurality of tops between the liquid inlet and the closed end. The energy storage plate 11 is in communication with the cold liquid inlet a of the end energy storage plate 12, and a plurality of valves for regulating the flow of the cold liquid are arranged at the connection of the cold liquid inlet a, and the cold charging pipeline can be avoided by adjusting the valve Congestion; one end of the second charging and cooling pipe 14 is a liquid outlet of the cold liquid, and the other end is closed, and the second charging and cooling pipe 14 is between the liquid outlet and the closed end and a plurality of top energy storage plates 11 and the ends The cooling liquid outlet b of the energy storage plate 12 is communicated. The second charging and cooling pipe 14 is arranged around the top energy storage plate 11 and the end energy storage plate 12. The wrap-around design of the second cold-filled tube 14 maximizes the path of the second cold-filled tube, further ensuring the environmental temperature requirements in the thermal insulation box of the cold chain container 1.

The structure of the top energy storage plate 11 and the end energy storage plate 12 are the same. The following uses the energy storage plate 11 as an example to describe the internal structure of the energy storage plate.

FIG. 4-7 is a structural diagram of the energy storage plate 11. The energy storage plate 11 includes a casing 111 that contains a phase change material. At the same time, a heat exchanger 112 is provided in the casing 111. The amount of cold energy is transferred to the phase change material. When the cold-charging device cools the cold-chain container, a cold carrier liquid is continuously supplied in the heat exchanger 112, and the phase change material exchanges heat with the cold carrier liquid in the heat exchanger 112 to generate a phase change. After the phase change material completely undergoes a phase change, or after meeting the predetermined requirements, the energy storage plate 11 is stopped from being cooled, that is, the supply of the cooling liquid is stopped, and the phase change material releases the stored cold quantity to the cold chain container 1 thermal insulation box. in.

The housing 111 is made of a metal material with good thermal conductivity and rigidity. The housing 111 can adopt a flat plate structure. At least part of the outer surface is provided with heat dissipation fins 113. The heat dissipation fins 113 increase the energy storage plate 11 and the cold chain container. 1 The contact area of the storage space in the thermal insulation box facilitates the uniform release of cold energy, and the heat radiation fins 113 constitute a heat radiation strengthening portion. The shell can also adopt a curved plate structure, which also increases the heat exchange contact area between the shell and the external space in the main body of the thermal insulation box, which is conducive to the uniform release of cold energy. At least one surface of the shell is provided in the form of a curved plate, and the surface structure may be a rib structure, a wave-shaped structure, or other structures with alternating protrusions and grooves.

The heat exchanger 112 is immersed in the phase change material and can cool the phase change material. Of course, according to actual needs, the heat exchanger 112 can optionally heat the phase change material. The heat exchanger 112 has a heat exchange body 1122, and each heat exchange body 1122 has a cold carrier liquid inlet and a cold carrier liquid outlet. The heat exchange body 1122 includes one or more U-shaped bends, and a cold carrier fluid flows through the heat exchange body 1122 while performing heat transfer with the phase change material. In order to promote the heat exchange between the cold carrier liquid and the phase change material, a heat exchange strengthening portion 1121 is provided outside the heat exchange body 1122, and the heat exchange body 1122 and the heat exchange strengthening portion 1121 form a heat exchange unit.

As shown in FIG. 4-7, the heat exchange body 1122 is a bent tube, which has two U-shaped bends, and two U-shaped elbows on both sides connect four straight pipe parts: the first The pipe section 11221, the second pipe section 11222, the third pipe section 11223, and the fourth pipe section 11224. The first pipe section 11221 is connected to the cold liquid inlet a of the energy storage plate 11, and the fourth pipe section 11224 is connected to the The cold carrier liquid outlet b is connected. The cold carrier liquid enters the first pipe portion 11221 from the inlet, flows through the four pipe portions in sequence, and flows out from the cold carrier liquid outlet b. These four tube portions abut in the radial direction, and this direction is defined as the abutment direction X of the tube portions. A heat exchange strengthening portion 1121 is provided outside the heat exchange body 1122, and a heat exchange strengthening portion provided corresponding to a tube portion is defined as a heat exchange strengthening unit.

In the first embodiment, each heat exchange strengthening unit includes three kinds of heat exchange fins: a first fin 11211, a second fin 11212, and a third fin 1113. The fins are arranged to extend radially outward from the tube portion. Linear or arc-shaped fins, the fins extending over the entire axial length of the tube portion, and adjacent fins of adjacent tube portions are at least partially thermally connected to each other. The first fin 11211 extends in the adjacent direction X of the tube portion, and the second fin 11212 extends in the vertical direction of the tube portion abutment direction X, and further includes a direction between the adjacent direction of the tube portion and the vertical direction of the adjacent direction.上 Extending the third fin 11213. The fins are arranged around the tube portion. When viewed in any radial section of the tube portion, the fins form a sunflower pattern around the tube portion. Each tube portion includes two second fins 11212, and the second fins 11212 can be extended to abut the inner surface of the casing 111 to become a ceiling mode, thereby supporting the bent pipe 1122. Each tube portion includes two first fins 11211. One of the first fins 11211 has a groove structure, and the other of the first fins 11211 has a protrusion. The first tube portion 11221 has a first fin 11211 with a groove structure. The first fin 11211 having a convex structure and the second tube portion 11222 are connected together through protrusions and grooves to become a hand-in-hand mode to maximize the heat exchange area of the heat exchanger 112 and the phase change material. To achieve the ideal cooling effect. The second pipe part 11222 adopts the same connection method as the third pipe part 11223, the third pipe part 11223, and the fourth pipe part 11224. The first fin 11211 between the first tube portion 11221 and the casing may extend all the way to the inner surface of the casing 222 to support the bent tube 1122. Of course, the first fin 11211 may not extend to the inner surface of the casing 111.

The heat exchange fins of the heat exchange strengthening unit can adopt other structural forms, such as linear or arc fins, the specific form is shown in Figure 8-12, as long as the contact area of the phase change material and the heat exchanger is increased Just fine. 8-12 are schematic sectional views of heat exchange fins in the second to sixth embodiments of the present invention. The fins may extend at least partially radially outward from the heat exchange body, or at least partially extend axially from the heat exchange body, or be distributed at different axial positions of the heat exchange body, or spirally The mode is coiled around the heat exchange body.

The heat exchanger 112 may have multiple heat exchange units. In the first embodiment, one heat exchanger has two heat exchange units, a first heat exchange unit 1123 and a second heat exchange unit 1124. The first heat exchange unit 1123 and The second heat exchange unit 1124 abuts in the radial direction X of the pipe portion, and the first fin 11211 of the fourth pipe portion 11224 of the first heat exchange unit 1123 and the first fin of the first pipe portion 11221 of the second heat exchange unit 1124 A fin 11211 is connected together by protrusions and grooves, and the two heat exchange units become a hand-in-hand mode as a whole. The first fin 11211 between the fourth tube portion 11224 of the second heat exchange unit 1124 and the casing 111 may extend all the way to the inner surface of the casing 111 to support the bent tube 1122. Of course, the first fin 11211 may not It extends to the inner surface of the casing 111.

In order to accelerate the phase change of the phase change material, the fins can be manufactured with rough surfaces or through holes can be provided. In addition, the shell may also be filled with crystal nuclei, and the crystal nuclei are preferably a honeycomb substance, such as honeycomb aluminum.

The above storage and transportation device uses a passive energy storage unit, which solves the technical barriers to energy supply during the cold chain transportation process. No external energy is required in the process. The operating safety is significantly improved, the cooling is uniform, and the temperature fluctuation is small. The mobile cold storage of the source energy storage unit reduces the rate of cargo deterioration and effectively guarantees the quality of the cargo. At the same time, transportation costs are reduced and maintenance is easy. And the use of phase change materials has a large cold storage density, high latent heat value, non-toxic, non-corrosive, non-polluting, non-flammable and explosive, stable cycle performance, and long service life.

The storage and transportation device of the present invention can be used for cold chain containers, cold chain transport vehicles, mobile cold storages or freezers. The invention can be used not only for railway transportation, road transportation, movable fixed cold storage, but also for same-city distribution. Fresh food, agricultural products, medicine, flowers and other fresh materials in the urban area and the surrounding short-distance cold box city distribution, to solve the last mile, according to demand can be customized different types of cold boxes, adapt to different specifications of the same city distribution vehicles, fresh food Agricultural products are delivered to supermarkets and convenience stores, and can also be used as pick-up containers.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

A storage and transportation device includes a thermal insulation box and at least one passive energy storage unit provided in the thermal insulation box, characterized in that a plurality of the passive energy storage units are connected to each other, and further includes a passive storage unit. The energy unit provides a cooling and charging pipeline for the cold liquid, the charging and cooling pipeline includes a first cooling and cooling pipe (13) and a second cooling and cooling pipe (14), and the first cooling and cooling pipe (13) and the first A plurality of the passive energy storage units are connected between two charging cold pipes (14).
The storage and transportation device according to claim 1, characterized in that the cold carrier liquid flows through the first charging and cooling pipes (13), each of the passive energy storage units and the second charging and cooling The tube (14) forms a plurality of fluid paths, and each of the fluid paths has the same stroke.
The storage and transportation device according to claim 1, characterized in that a plurality of the passive energy storage units are adjacent to each other and are arranged side by side in an arrangement direction, and the first charging and cooling pipe (13) and the second charging and cooling pipe (13) The cold pipes (14) are respectively arranged at least partially along the arrangement direction of a plurality of the passive energy storage units.
The storage and transportation device according to claim 1, wherein a plurality of the passive energy storage units are arranged on the top and / or the end of the box to form the top passive energy storage unit group and And / or an end passive energy storage unit group.
The storage and transportation device according to claim 4, wherein the passive energy storage unit has a plate-like design.
The storage and transportation device according to claim 1, characterized in that one end of the first cold-charging tube (13) is a liquid inlet for filling a cold-carrying liquid, and the first cold-charging tube (13) The other end is closed, and the first charging and cooling pipe (13) is provided between the one end and the other end with a plurality of cold liquid inlets connected to the passive energy storage unit.
The storage and transportation device according to claim 6, wherein a plurality of valves for adjusting the flow rate of the cold carrier liquid are arranged on the first cooling and cooling pipe (13).
The storage and transportation device according to claim 1, characterized in that one end of the second cold-charging tube (14) is a liquid outlet of the cold carrier liquid, and the second cold-charging tube (14) The other end is closed, and the second cold-charging tube (14) is provided between the one end and the other end with a plurality of the cold carrier liquid outlets connected to the passive energy storage unit.
The storage and transportation device according to claim 8, wherein the second charging and cooling pipe (14) is arranged around an outer boundary of an energy storage unit group formed by the plurality of passive energy storage units.
The storage and transportation device according to claim 5, wherein a fixed bracket is provided on the top and / or end of the box, and the passive energy storage unit is provided on the fixed bracket.
The storage and transportation device according to claim 10, wherein the fixing bracket has a reinforcing rib.
The storage and transportation device according to any one of claims 1-11, wherein the passive energy storage unit comprises a casing (111), a phase change material, and a heat exchanger (112). The interior of the body (111) defines a space for accommodating a phase change material, and the heat exchanger (112) is disposed in the space and is used to perform heat exchange between the phase change material and the heat exchanger (112). The heat exchanger (112) includes at least one group of heat exchange units, and the heat exchange unit includes a heat exchange body (1122) and a heat exchange reinforcement (1121), and the heat exchange reinforcement (1121) strengthens the phase change The material conducts heat with the heat exchange body (1122).
The storage and transportation device according to claim 12, wherein the heat exchange reinforcing portion (1121) increases a contact area between the phase change material and the heat exchanger (112), and surrounds the heat exchange body (1122) Settings.
The storage and transportation device according to claim 12, wherein the heat exchange reinforcing portion (1121) is arranged to extend radially at least partially from the heat exchange body (1122).
The storage and transportation device according to claim 12, wherein the heat exchange reinforcing portion (1121) is arranged to extend axially at least partially from the heat exchange body (1122).
The storage and transportation device according to claim 12, wherein the heat exchange reinforcing portions (1121) are distributed at different axial heights of the heat exchange body (1122).
The storage and transportation device according to claim 12, wherein the heat exchange reinforcing portion (1121) is coiled around the heat exchange body (1122) in a spiral manner.
The storage and transportation device according to claim 12, characterized in that the heat exchange reinforcing part (1121) supports the heat exchange body (1122) on one side, and the other side is carried on the casing (111) The surface of the phase change material.
The storage and transportation device according to any one of claims 13 to 18, wherein the heat exchange body (1122) includes a plurality of tube portions connected in sequence, and the heat exchange reinforcement portion (1121) includes In the heat exchange strengthening units of each of the tube portions, the adjacent heat exchange strengthening units are at least partially thermally connected to each other.
The storage and transportation device according to claim 19, wherein the adjacent heat exchange strengthening units are at least partially connected together.
The storage and transportation device according to claim 19, wherein the heat exchange body (1122) is configured as a bent tube, and the bent tube includes one or more U-shaped bends.
The storage and transportation device according to claim 19, wherein the heat exchange enhancement unit comprises a plurality of heat exchange fins.
The storage and transportation device according to claim 22, wherein the heat exchange fins are linear or bent fins extending radially outward from the tube portion.
The storage and transportation device according to claim 19, characterized in that both ends of the plurality of tube portions communicate with the first and second cooling and cooling pipes (13, 14), respectively.
A cold chain container, comprising the storage and transportation device according to any one of claims 1-24.
A cold chain transport vehicle, comprising the storage and transportation device according to any one of claims 1-24.
A mobile cold storage, comprising the storage and transportation device according to any one of claims 1-24.
A refrigerator is characterized by comprising the storage and transportation device according to any one of claims 1-24.