CN113562346A - Temperature adjusting device for cold chain transportation equipment - Google Patents
Temperature adjusting device for cold chain transportation equipment Download PDFInfo
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- CN113562346A CN113562346A CN202110773496.6A CN202110773496A CN113562346A CN 113562346 A CN113562346 A CN 113562346A CN 202110773496 A CN202110773496 A CN 202110773496A CN 113562346 A CN113562346 A CN 113562346A
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- 238000009825 accumulation Methods 0.000 claims abstract description 63
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 239000011232 storage material Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
- B65D88/744—Large containers having means for heating, cooling, aerating or other conditioning of contents heating or cooling through the walls or internal parts of the container, e.g. circulation of fluid inside the walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
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Abstract
The invention discloses a temperature adjusting device for cold chain transportation equipment, which comprises a cold accumulation box body, wherein a temperature adjusting plate is arranged in the cold accumulation box body, and the cold accumulation box body is divided into a cold accumulation area and a cargo area by the temperature adjusting plate; the cold accumulation area is internally provided with a cold accumulation system, the temperature adjusting plate is provided with a plurality of cold amount releasing windows, and the cold amount releasing windows are provided with movable door mechanisms capable of adjusting the opening degree of the cold amount releasing windows. The temperature regulating device of the cold chain transportation equipment can regulate the opening degree of the cold quantity release window through the movable door mechanism, thereby regulating the cold quantity provided by the cold storage plate to the lower cargo area, ensuring wide temperature control range of the cargo area, improving the control precision of the storage and transportation temperature and being beneficial to ensuring the quality of the cargo.
Description
Technical Field
The invention relates to the technical field of cold chain transportation equipment, in particular to a temperature adjusting device of cold chain transportation equipment.
Background
The existing cold chain transportation equipment adopting the cold accumulation technology mainly comprises three cold chain transportation equipment, namely a cold accumulation box, a railway vehicle and a road automobile, and mainly comprises a box (or vehicle) body and a cold accumulation system, wherein the cold accumulation system comprises a cold accumulation plate and a cold charging pipeline, the cold accumulation plate is usually arranged on the upper part in the box (or vehicle) body, and a cavity of the cold accumulation plate is filled with a cold accumulation working medium. The cold storage working medium can absorb or release cold energy during phase change, the cold storage working medium is charged by the cold charging equipment before loading, the cold energy is accumulated in advance by utilizing the phase change characteristic, and the cold energy is released to a loading area at the lower part of the cold storage element in a convection heat exchange mode in the transportation process, so that the goods in the cold storage box (or cold storage vehicle) are kept in a certain temperature range lower than the external environment temperature.
The temperature maintaining principle of the existing cold chain transportation equipment is that after the phase change temperature of a cold accumulation working medium in a cold accumulation plate is balanced with the temperature of goods in a box, the cold quantity release is greatly slowed down and is only used for balancing heat load transmitted from the outside. Under the condition that the heat insulation performance of the box body is certain, the temperature maintained by the goods and the phase change temperature of the cold accumulation working medium have a corresponding relation. Therefore, aiming at the requirements of transportation, storage and temperature control of different transported goods, cold accumulation working media with different phase-change temperatures are required to be adopted, so that the application range of cold chain transportation equipment adopting a cold accumulation technology has certain specificity. In the practical application, in order to meet the temperature control transportation of different goods, a user needs to specially configure transportation equipment adopting cold accumulation working media with different phase change temperatures, so that inconvenience is brought to the goods source organization, and the utilization efficiency of the transportation equipment is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provides the temperature adjusting device for the cold chain transportation equipment, which can improve the storage and transportation temperature control precision and is beneficial to ensuring the quality of goods.
In order to achieve the purpose, the temperature adjusting device for the cold chain transportation equipment comprises a cold accumulation box body, wherein a temperature adjusting plate is arranged in the cold accumulation box body, and the cold accumulation box body is divided into a cold accumulation area and a cargo area by the temperature adjusting plate;
the cold accumulation area is internally provided with a cold accumulation system, the temperature adjusting plate is provided with a plurality of cold amount releasing windows, and the cold amount releasing windows are provided with movable door mechanisms capable of adjusting the opening degree of the cold amount releasing windows.
Furthermore, the temperature adjusting plates comprise a plurality of groups of first temperature adjusting plates and second temperature adjusting plates which can be opened in a bilateral symmetry mode, the hinged sides of the first temperature adjusting plates are hinged with the inner wall of one side of the cold accumulation box body through first hinge pieces, and the movable sides of the first temperature adjusting plates can rotate around the first hinge pieces to be opened downwards;
the hinged side of the second temperature adjusting plate is hinged with the inner wall of the other side of the cold accumulation box body through a second hinge, and the movable side of the second temperature adjusting plate can rotate around the second hinge to be opened downwards.
Furthermore, a plurality of cold energy release windows are arranged on each of the first temperature adjusting plate and the second temperature adjusting plate.
Further, the movable door mechanism comprises a movable door, a driver and a driving motor, wherein the driving motor controls the opening degree of the movable door through the driver.
Furthermore, the device also comprises a control device, and a control signal output end of the control device is connected with a control signal input end of the driving motor.
Furthermore, the movable door adopts a movable blind door or a sliding door.
Furthermore, a tray for receiving condensed water is arranged below the cold energy release window.
Furthermore, the periphery of the tray is upwards turned and extends to form a flange, and the flange is fixedly connected with the bottom of the temperature adjusting plate.
Still further, the cold accumulation system comprises a cold accumulation plate and a cold charging pipeline, and the cold accumulation plate is connected with the cold charging pipeline.
Furthermore, the cold storage plate comprises a cold storage plate enclosing plate, a plurality of coil pipes arranged in rows are arranged in an inner cavity formed by enclosing the cold storage plate enclosing plate, and cold storage agent is filled among the coil pipes.
Compared with the prior art, the invention has the following advantages:
firstly, the cold accumulation box body of the temperature regulating device of the cold chain transportation equipment is divided into two areas of the cold accumulation area and the goods area, the heat quantity transmitted into the cold accumulation area from the outside is greatly reduced, when no goods exist, the cold quantity release window is closed, and the ineffective cold quantity release is reduced, so that the cold quantity release time of the cold accumulation working medium can be prolonged, the control precision of the storage and transportation temperature can be improved, and the quality of the goods can be guaranteed.
Secondly, the temperature regulating device of the cold chain transportation equipment can regulate the opening degree of the cold quantity release window through the movable door mechanism, thereby regulating the cold quantity provided by the cold storage plate to the lower cargo area, ensuring the temperature control range of the cargo area to be wide, and adopting the cold storage box (or cold storage vehicle) of the cold storage working medium with phase-change temperature to store and transport the cargoes with different temperature control requirements, thereby greatly improving the utilization rate of the transportation equipment and facilitating the organization of the cargo source.
Thirdly, the temperature adjusting plates of the temperature adjusting device of the cold chain transportation equipment are divided into a plurality of groups of first temperature adjusting plates and second temperature adjusting plates which can be opened in a bilateral symmetry mode, each temperature adjusting plate can rotate around a hinge point arranged on two sides of the box body, and when components and structural members on the upper portions of the temperature adjusting plates are installed or maintained, the adjusting plates can be turned downwards to lean against side walls, so that the components and the structural members on the upper portions of the temperature adjusting plates can be installed and maintained conveniently.
And fourthly, the temperature adjusting device of the cold chain transportation equipment is provided with a tray for receiving condensed water below the cold quantity release window, so that the condensed water formed on the cold accumulation plate is prevented from dripping to a cargo area at the lower part of the cold accumulation plate, and the condensed water and the leaked cold accumulation working medium can be prevented from polluting cargo package.
Drawings
FIG. 1 is a schematic sectional front view of a temperature regulating device of a cold chain transportation equipment;
FIG. 2 is a side cross-sectional structural schematic view of the temperature adjustment device of the cold chain transport equipment shown in FIG. 1;
FIG. 3 is a schematic view of the temperature adjustment device of the cold chain transportation apparatus shown in FIG. 2 in an open state;
FIG. 4 is a schematic top view of the temperature adjustment device of the cold chain transportation apparatus shown in FIG. 1;
FIG. 5 is a schematic structural view of the movable door mechanism of the first embodiment in a closed state;
FIG. 6 is a schematic structural view of the movable door mechanism of FIG. 5 in an open state;
FIG. 7 is a schematic structural view of a second embodiment of a movable door mechanism in a closed state;
FIG. 8 is a schematic structural view of the movable door mechanism of FIG. 7 in an open state;
fig. 9 is a schematic structural view of a cold storage system;
fig. 10 is a schematic structural view of a cold storage plate;
in the figure: cold-storage box 1 (cold-storage area 1.1, cargo area 1.2), temperature regulating plate 2 (first temperature regulating plate 2.1, second temperature regulating plate 2.2), cold-storage system 3 (cold-storage plate 3.1, cold-storage plate bounding wall 3.11, coil pipe 3.12, cold-storage agent 3.13, fill cold pipeline 3.2), cold volume release window 4, swing door mechanism 5 (swing door 5.1, driver 5.2, driving motor 5.3), first articulated elements 6, second articulated elements 7, controlling means 8, tray 9.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to the embodiments, but they are not intended to limit the present invention and are only examples. While the advantages of the invention will be apparent and readily appreciated by the description.
As shown in figure 1, the temperature adjusting device for the cold chain transportation equipment comprises a cold accumulation box body 1, wherein a temperature adjusting plate 2 is arranged in the cold accumulation box body 1, the temperature adjusting plate is made of thermoplastic glass fiber reinforced plastics and other non-metal materials which have large heat conductivity coefficients and are convenient to mold, and the periphery of the temperature adjusting plate is provided with an upturned edge to form a groove-shaped structure. The temperature adjusting plate 2 divides the cold accumulation box body 1 into a cold accumulation area 1.1 and a goods area 1.2; the cold accumulation box body of the temperature adjusting device of the cold chain transportation equipment is divided into a cold accumulation area and a cargo area, and the heat transmitted into the cold accumulation area from the outside is greatly reduced. When no goods are available, the cold energy release window is closed, and ineffective cold energy release is reduced, so that the cold energy release time of the cold accumulation working medium can be prolonged, the control precision of storage and transportation temperature can be improved, and the quality of the goods can be guaranteed.
In the above technical scheme, a cold accumulation system 3 is arranged in the cold accumulation region 1.1, a plurality of cold amount releasing windows 4 are arranged on the temperature adjusting plate 2, and a movable door mechanism 5 capable of adjusting the opening degree of the cold amount releasing windows 4 is arranged on the cold amount releasing windows 4. The invention adjusts the cold quantity transferred from the cold accumulation area to the lower goods area through the opening degree of the cold quantity release window 4, and when the lower goods area needs larger cold quantity in the initial stage of cooling after loading, the cold quantity release window 4 is fully opened. After the temperature of the lower cargo area reaches the requirement of the cargo storage and transportation temperature, the opening of the cold quantity release window 4 is completely closed, the cold quantity of the cold storage area is not released to the lower cargo area any more, and the temperature of the lower cargo area is prevented from being lower than the requirement of the cargo storage and transportation. The opening of the cold quantity release window 4 is automatically controlled electrically, the opening of the window can be adjusted according to the temperature in the box, and the heat load transmitted from the outside due to heat leakage of the box body in the transportation process is supplemented and balanced in time, so that the purpose of maintaining the temperature of the goods is achieved.
As shown in fig. 2 to 4, the temperature adjusting plate 2 includes a plurality of sets of first temperature adjusting plates 2.1 and second temperature adjusting plates 2.2 which can be opened in bilateral symmetry, the hinged side of the first temperature adjusting plate 2.1 is hinged with the inner wall of one side of the cold storage box body 1 through a first hinge 6, and the movable side of the first temperature adjusting plate 2.1 can be opened downwards by rotating around the first hinge 6; the hinged side of the second temperature adjusting plate 2.2 is hinged with the inner wall of the other side of the cold accumulation box body 1 through a second hinge 7, and the movable side of the second temperature adjusting plate 2.2 can rotate around the second hinge 7 to be opened downwards. In order to facilitate the installation and maintenance of components and structural members on the upper part of the temperature adjusting plate, the temperature adjusting plate is preferably movably installed. In this embodiment, the temperature regulation board is divided into two parts about along the box center, and each part divide into a plurality of pieces again along box length direction, and each piece can rotate around the pin joint of establishing in the box both sides. When the components and the structural members on the upper part of the temperature adjusting plate are installed or maintained, the temperature adjusting plate can be turned downwards to lean against the side wall. Rubber sealing structures are adopted between the movable temperature adjusting plate parts and the wall surfaces around the box body, so that the cold quantity is prevented from leaking downwards.
In the above technical solution, each of the first temperature adjustment plate 2.1 and the second temperature adjustment plate 2.2 is provided with a plurality of cold volume release windows 4. A tray 9 for receiving condensed water is arranged below the cold energy release window 4. The periphery of the tray 9 is upturned and extends to form a flange 9.1, and the flange 9.1 is fixedly connected with the bottom of the temperature adjusting plate 2. In order to prevent condensed water formed on the cold storage plate from dripping on the goods area at the lower part of the cold storage plate to wet the goods package, the movable temperature adjusting plate adopts a groove-shaped form with an upward turning edge on the periphery, the lower part of the cold quantity release window is also provided with trays with upward turning edges on the periphery, the trays are connected through pipelines, the condensed water is discharged to the outside through a fixed position, and the condensed water cannot drip on the goods area at the lower part.
In the above technical solution, the movable door mechanism 5 includes a movable door 5.1, a driver 5.2 and a driving motor 5.3, the driving motor 5.3 controls the opening degree of the movable door 5.1 through the driver 5.2, and the driving motor in this embodiment is preferably a stepping motor. In the first embodiment of the shutter, as shown in fig. 5 and 6, the shutter 5.1 is a venetian blind; in a second embodiment of the movable door, as shown in fig. 7 and 8, the movable door 5.1 is a sliding door.
In the above technical solution, it further includes a control device 8, and a control signal output end of the control device 8 is connected with a control signal input end of the driving motor 5.3. A control device is arranged at a proper position in the cold storage box or the cold storage vehicle and used for controlling the opening degree of the cooling capacity release window, and the control device mainly comprises a controller and a storage battery. The following functions can be realized: 1. during loading, the storage and transportation temperature control temperature is set according to the types of the transported goods; 2. in the initial stage of refrigeration after loading, the opening of the cold quantity release window is adjusted to the maximum; 3. when the temperature of the lower cargo area reaches the cargo storage and transportation temperature set point and the allowable fluctuation lower limit, closing the cold quantity release window; 4. when the temperature of the lower goods area is increased to the goods storage and transportation temperature set point and the allowable fluctuation upper limit, the opening degree of the cold release window is gradually increased in stages. When the temperature of the lower loading area reaches the set point of the temperature for storing and transporting the goods and the lower limit of allowable fluctuation, the opening degree of the cold quantity release window is gradually reduced according to the same grading; 5. the opening of the cold quantity release window is adjusted and driven by a stepping motor, and energy is provided by a storage battery; 6. the control device can also be designed to have a remote monitoring function, and can remotely monitor the temperature of the cargo area, the temperature in the cold accumulation working medium of the cold accumulation plate, the voltage of the storage battery, the positioning, the opening and closing state of the box door and other information.
As shown in fig. 9 and 10, the cold storage system 3 includes a cold storage plate 3.1 and a cold charging pipe 3.2, and the cold storage plate 3.1 is connected to the cold charging pipe 3.2. The cold storage plate 3.1 comprises a cold storage plate coaming plate 3.11, a plurality of coil pipes 3.12 arranged in rows are arranged in an inner cavity formed by the cold storage plate coaming plate 3.11 in a surrounding mode, and cold storage agent 3.13 is filled among the coil pipes 3.12.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.
Here, it should be noted that the description of the above technical solutions is exemplary, the present specification may be embodied in different forms, and should not be construed as being limited to the technical solutions set forth herein. Rather, these descriptions are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the technical solution of the present invention is limited only by the scope of the claims.
The shapes, sizes, ratios, angles, and numbers disclosed to describe aspects of the specification and claims are examples only, and thus, the specification and claims are not limited to the details shown. In the following description, when a detailed description of related known functions or configurations is determined to unnecessarily obscure the focus of the present specification and claims, the detailed description will be omitted.
Where the terms "comprising", "having" and "including" are used in this specification, there may be another part or parts unless otherwise stated, and the terms used may generally be in the singular but may also be in the plural.
It should be noted that although the terms "first," "second," "top," "bottom," "side," "other," "end," "other end," and the like may be used and used in this specification to describe various components, these components and parts should not be limited by these terms. These terms are only used to distinguish one element or section from another element or section. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with the top and bottom elements being interchangeable or switchable with one another, where appropriate, without departing from the scope of the present description; the components at one end and the other end may be of the same or different properties to each other.
Further, in constituting the component, although it is not explicitly described, it is understood that a certain error region is necessarily included. In describing positional relationships, for example, when positional sequences are described as being "on.. above", "over.. below", "below", and "next", unless such words or terms are used as "exactly" or "directly", they may include cases where there is no contact or contact therebetween. If a first element is referred to as being "on" a second element, that does not mean that the first element must be above the second element in the figures. The upper and lower portions of the member will change depending on the angle of view and the change in orientation. Thus, in the drawings or in actual construction, if a first element is referred to as being "on" a second element, it can be said that the first element is "under" the second element and the first element is "over" the second element. In describing temporal relationships, unless "exactly" or "directly" is used, the description of "after", "subsequently", and "before" may include instances where there is no discontinuity between steps.
The features of the various embodiments of the present invention may be partially or fully combined or spliced with each other and performed in a variety of different configurations as would be well understood by those skilled in the art. Embodiments of the invention may be performed independently of each other or may be performed together in an interdependent relationship.
Claims (10)
1. The utility model provides a cold chain transportation equipment temperature regulation apparatus which characterized in that: the cold storage box comprises a cold storage box body (1), wherein a temperature adjusting plate (2) is arranged in the cold storage box body (1), and the cold storage box body (1) is divided into a cold storage area (1.1) and a cargo area (1.2) by the temperature adjusting plate (2);
the cold accumulation system (3) is arranged in the cold accumulation area (1.1), the temperature adjusting plate (2) is provided with a plurality of cold amount releasing windows (4), and the cold amount releasing windows (4) are provided with movable door mechanisms (5) capable of adjusting the opening sizes of the cold amount releasing windows.
2. The cold chain transportation equipment temperature adjustment device of claim 1, wherein: the temperature adjusting plate (2) comprises a plurality of groups of first temperature adjusting plates (2.1) and second temperature adjusting plates (2.2) which can be opened in a bilateral symmetry mode, the hinged side of each first temperature adjusting plate (2.1) is hinged to the inner wall of one side of the cold accumulation box body (1) through a first hinge piece (6), and the movable side of each first temperature adjusting plate (2.1) can rotate around the first hinge piece (6) to be opened downwards;
the hinged side of the second temperature adjusting plate (2.2) is hinged with the inner wall of the other side of the cold accumulation box body (1) through a second hinge piece (7), and the movable side of the second temperature adjusting plate (2.2) can rotate around the second hinge piece (7) to be opened downwards.
3. The cold chain transportation equipment temperature adjustment device of claim 2, wherein: each of the first temperature adjusting plate (2.1) and the second temperature adjusting plate (2.2) is provided with a plurality of cold energy releasing windows (4).
4. The cold chain transport equipment temperature adjustment device according to claim 1, 2 or 3, wherein: the movable door mechanism (5) comprises a movable door (5.1), a driver (5.2) and a driving motor (5.3), wherein the driving motor (5.3) controls the closing opening degree of the movable door (5.1) through the driver (5.2).
5. The cold chain transportation equipment temperature adjustment device of claim 4, wherein: the device also comprises a control device (8), wherein the control signal output end of the control device (8) is connected with the control signal input end of the driving motor (5.3).
6. The cold chain transportation equipment temperature adjustment device of claim 5, wherein: the movable door (5.1) adopts a movable blind door or a sliding door.
7. The cold chain transport equipment temperature adjustment device according to claim 1, 2 or 3, wherein: and a tray (9) for receiving condensed water is arranged below the cold energy release window (4).
8. The cold chain transportation equipment temperature adjustment device of claim 7, wherein: the periphery of the tray (9) is upwards turned and extends to form a turned edge (9.1), and the turned edge (9.1) is fixedly connected with the bottom of the temperature adjusting plate (2).
9. The cold chain transport equipment temperature adjustment device according to claim 1, 2 or 3, wherein: the cold accumulation system (3) comprises a cold accumulation plate (3.1) and a cold charging pipeline (3.2), and the cold accumulation plate (3.1) is connected with the cold charging pipeline (3.2).
10. The cold chain transportation equipment temperature adjustment device of claim 9, wherein: the cold accumulation plate (3.1) comprises a cold accumulation plate enclosing plate (3.11), a plurality of coil pipes (3.12) arranged in rows are arranged in an inner cavity formed by enclosing the cold accumulation plate enclosing plate (3.11), and cold accumulation agents (3.13) are filled among the coil pipes (3.12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110773496.6A CN113562346A (en) | 2021-07-08 | 2021-07-08 | Temperature adjusting device for cold chain transportation equipment |
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| CN202110773496.6A CN113562346A (en) | 2021-07-08 | 2021-07-08 | Temperature adjusting device for cold chain transportation equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923299A (en) * | 2022-03-15 | 2022-08-19 | 华南农业大学 | Cold storage distribution box based on liquid nitrogen filling and control method thereof |
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| CN110902152A (en) * | 2019-12-09 | 2020-03-24 | 大冶市古华实业有限公司 | Fridge is used in cold chain transportation |
| CN211617544U (en) * | 2019-12-20 | 2020-10-02 | 上海中车通达智慧物流有限公司 | Refrigerator car's cold-storage railway carriage or compartment and fill cold system |
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| CN114923299A (en) * | 2022-03-15 | 2022-08-19 | 华南农业大学 | Cold storage distribution box based on liquid nitrogen filling and control method thereof |
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