Aviation cold chain transport case and control method thereof

Abstract

The aviation cold chain transport case comprises a transport case body, a plurality of first limiting grooves and first limiting plates are arranged in the transport case body, and a first cold source used for refrigeration is detachably arranged in each first limiting groove; a second cold source or a first cold source for freezing is detachably arranged on the surface of the first limiting plate; in the process of switching from refrigerated transportation to frozen transportation, only the first cold source stacked on the surface of the first limiting plate needs to be taken down, and then the second cold source is stacked on the surface of the first limiting plate, so that the functions of refrigerated transportation and frozen transportation can be realized under the condition that the overall structure of the transportation box body is not adjusted; and the adaptability of the equipment is high, and convenience is brought to use.

Description

Technical Field

[0001] The present invention relates to the technical field of conveying equipment, and in particular to an aviation cold chain transport box and a control method thereof. Background Art

[0002] Aviation cold chain transport boxes are mainly used to store temperature-sensitive materials such as blood, medicines, and food. According to their different storage conditions, aviation cold chain transport boxes are divided into refrigerated and frozen types. The temperature inside the refrigerated type is controlled at -8℃~20℃, and the frozen type has two refrigerants, phase change material and dry ice, and the temperature inside the box is controlled at -20℃~8℃; the specific transportation temperature depends on the temperature requirements of the transported goods and meets the storage conditions of temperature-sensitive materials required in wartime; follow the principles of versatility and diversity of aviation cold chain transport boxes.

[0003] The design of aviation cold chain transport boxes mainly follows the principles of reliability, practicality, ease of use, safety, standardization, etc.

[0004] The application announcement number is CN118811288A, which discloses a cold chain transportation device and transportation method for bean pods. Combined with its specification and drawings, the multiple ice bag placement mechanism in its scheme can ensure that the cold air fully covers the transported goods, and the design of the isolation frame can prevent the transported goods from directly contacting the ice bags. In this way, the device can effectively maintain the temperature and humidity of the transported goods, extend their shelf life, and reduce the possibility of friction and damage between the transported goods and the ice bags. However, this structural design is equivalent to only placing such ice bags to achieve refrigeration, and it cannot be adaptively adjusted according to the transportation needs of refrigeration or freezing. The adaptability is low, which brings inconvenience when using it. Summary of the invention

[0005] The present invention mainly aims at the problems existing in the use of cold chain boxes and invents an aviation cold chain transport box and a control method thereof. In the process of switching from refrigerated transport to frozen transport, the six cold storage plates stacked on the surface of the first limiting plate and the cold storage plate are removed, and a number of dry ice boxes for freezing are stacked on the surface of the first limiting plate to realize the functions of refrigerated and frozen transport, and the adaptability of the equipment is high. In the process of frozen transport, the circulating fan blows out cold air to ensure that the cold air is evenly distributed and avoid temperature gradients in the box.

[0006] The inventive objective of the present invention is achieved through the following technical solutions: an aviation cold chain transport box, comprising a transport box body, wherein a plurality of first limit grooves and a first limit plate are provided inside the transport box body, wherein a first cold source for refrigeration is detachably provided inside each of the first limit grooves, and a second cold source for freezing or a first cold source for refrigeration is detachably provided on the surface of the first limit plate.

[0007] Preferably, the transport box body comprises a box body, a box cover and a sealing ring, the surface of the box body is provided with a second limiting groove, the interior of the second limiting groove is provided with a sealing ring, and the box cover is detachably connected to the surface of the box body by a lock.

[0008] Preferably, the first cold source includes a plurality of cold storage plates and cold storage agents, each of the cold storage plates is provided with cold storage agents, each of the cold storage plates is arranged inside the first limiting groove, and a plurality of cold storage plates are stacked on the surface of the first limiting plate and the cold storage plate, and the cold storage plates are mainly arranged to realize the function of refrigerated transportation.

[0009] Preferably, the second cold source includes a dry ice box and a circulating fan, wherein dry ice is arranged inside the dry ice box, a plurality of dry ice boxes are arranged on the surface of the first limiting plate, and a circulating fan for blowing cold air to every corner of the box is arranged on one side of the dry ice box, and the dry ice box is mainly provided to realize the function of refrigerated transportation.

[0010] Preferably, a first recessed groove is provided on both sides of the box body, and a pressure relief valve and a drain valve are provided inside the first recessed groove. The pressure relief valve can discharge the gas inside the box body under certain conditions to keep the transport box always within a stable and safe pressure range, and the drain valve can discharge condensed water from time to time as needed.

[0011] Preferably, second recessed grooves are provided on both sides of the box body, and handles are provided inside the second recessed grooves, so that the handles can effectively share the load during transportation.

[0012] Preferably, the surface of the box cover is provided with a plurality of stacking slots, the bottom of the box body is provided with a plurality of stacking bosses, the surface of the box body is also provided with a temperature recorder capable of detecting the internal temperature of the box body, and a Beidou positioning module is provided inside the temperature recorder.

[0013] A method for controlling a cold chain transport box, including an aviation cold chain transport box, comprises the following steps: S1: The user sets the alarm rules of the temperature recorder through the cold chain monitoring system; S2: The temperature recorder collects and records the temperature changes inside the box and the changes in the geographical location to generate information; S3: The temperature recorder uploads the collected information to the server cluster for data screening, and then transmits the data to the analysis and processing layer of the cold chain monitoring system; S4: The data processing layer of the cold chain monitoring system performs data analysis and determines whether to store data after judging the alarm rules; S5: The cold chain monitoring system reads the alarm rules set on each transport box for each alarm data; S6: The cold chain monitoring system sends SMS or WeChat alarms according to the alarm rules of each transport box body.

[0014] S7: The cold chain monitoring system has an API layer for providing data interface; S8: The cold chain monitoring system has an application layer and displays and manages data to users through a web page or mobile software.

[0015] Preferably, the user sets the alarm rules of the temperature recorder including the following steps: S11: After logging into the cold chain monitoring platform, the user sets the upper and lower limits of the temperature inside the transport box body; S12: The data of the transport box body set by the user can be stored locally or uploaded to the cold chain monitoring system in real time after reading local data and geographic location information.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. In the process of switching from refrigerated transportation to frozen transportation, it is only necessary to remove the six cold storage plates stacked on the surface of the first limit plate and the cold storage plate, and then stack a number of dry ice boxes for freezing on the surface of the first limit plate, so that the functions of refrigerated and frozen transportation can be realized without adjusting the overall structure of the transport box body, so that the equipment has high adaptability and brings convenience when using; 2. In the process of frozen transportation, the circulating fan blows out the cold air, which can ensure that the cold air is evenly distributed and avoid the temperature gradient in the box, which is very important for maintaining the overall quality of the goods, and in the refrigeration process, the circulating fan can reduce or prevent the formation of frost and condensation, which is especially important for transporting perishable goods, because frost and condensation may cause damage to the goods; 3. In addition to the flight transportation process, users can use the web page or mobile phone software to observe the changes in the temperature, geographical location and other information of the monitoring point collected and recorded by the temperature recorder in real time online, and display and record the monitoring information in real time in a variety of ways such as numbers, graphics and images, so as to facilitate the management of whether each transport box meets the requirements when transporting goods, and ensure that the quality of the products after transportation meets the requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a stereogram of the first embodiment and the second embodiment of the present invention; Figure 2 An exploded view of a first embodiment of the present invention; Figure 3 An exploded view of a first embodiment of the present invention; Figure 4 An exploded view of a second embodiment of the present invention; Figure 5 It is an exploded view of the second embodiment of the present invention.

[0018] Markings in the figure: 1. transport box body; 11. first limit groove; 12. first limit plate; 13. box body; 14. box cover; 15. sealing ring; 131. second limit groove; 132. first recessed groove; 133. second recessed groove; 134. stacking boss; 141. stacking slot; 2. first cold source; 21. cold storage plate; 3. second cold source; 31. dry ice box; 32. circulation fan; 4. pressure relief valve; 5. drain valve; 6. handle; 7. temperature recorder; 8. lock. DETAILED DESCRIPTION

[0019] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings: like Figures 1 to 3 As shown, the first embodiment of the present invention is an aviation cold chain transport box, comprising a transport box body 1, the transport box body 1 comprising a box body 13, a box cover 14 and a sealing ring 15, the surface of the box body 13 is provided with a second limiting groove 131, the interior of the second limiting groove 131 is provided with a sealing ring 15, and the sealing ring 15 can be provided with two, one of which is made of silicone material and the other is made of EPDM rubber material. The silicone material mainly functions as a seal and is placed in the inner ring. The thicker EPDM rubber sealing ring mainly functions as a heat preservation function to prevent cold air leakage and external heat from entering, the box cover 14 is detachably connected to the surface of the box body 13 through a lock buckle 8, and the lock buckle 8 is made of stainless steel. The lock buckle installation procedure is simple, easy to use, safe, firm, vibration-proof, strong in fastening, and can be reused, and the box cover 14 and the surface of the box body 13 can be locked to squeeze the sealing ring 15. The interior of the transport box body 1 is provided with a plurality of first limiting grooves 11 and a first limiting plate 12, wherein the inner and outer plastics of the box body 13 and the box cover 14 are made of LDPE material, LDPE material is low-density polyethylene, which is tasteless, odorless, non-toxic, and has a matte waxy particle surface. The low-density polyethylene material has good chemical stability, is resistant to corrosion, acid, alkali, and high pressure, and has good moisture-proof performance, and will not pollute the items in the transport box.

[0020] In the first embodiment, each of the first limiting grooves 11 is detachably provided with a first cold source 2 for refrigeration, and the surface of the first limiting plate 12 is detachably stacked with six first cold sources 2. The first cold source 2 includes a plurality of cold storage plates 21 and a cold storage agent. Each of the cold storage plates 21 is provided with a cold storage agent. Each of the cold storage plates 21 is arranged inside the first limiting groove 11. The surfaces of the first limiting plate 12 and the cold storage plates 21 are also stacked with a plurality of cold storage plates 21. The cold source used by the cold storage plate 21 is a phase change material PCM. The phase change material is injected into a plastic box to form a cold storage plate 21. The cold storage plate 21 is mainly used to achieve constant temperature cold release and short-term cold preservation of the transported goods inside the box 13 without mechanical refrigeration. The cold storage plate 21 is filled with a high-efficiency cold storage agent and can be used repeatedly. The working principle of the cold storage plate 21 is to use the heat absorption characteristics of the phase change material during the solid-liquid phase change to achieve the purpose of cooling and cold preservation in the cold storage box. Through independent cold charging equipment, the cold storage plate 21 can be charged with cold and release cold when needed to keep the temperature inside the box stable. In addition, when transporting and storing items, the cold storage plate 21 may be damaged. The detachable design of the cold storage plate 21 is convenient and quick, reducing the installation and disassembly time required for dry replacement. After a long period of use in the transport box, some lock buckles 8 may become loose or damaged. If a problem occurs, replacing the lock buckle 8 is simple and quick, that is, replacing a lock buckle 8 only requires disassembling two screws.

[0021] In the first embodiment, the first concave groove 132 is provided on both sides of the box body 13, and the pressure relief valve 4 and the drain valve 5 are provided inside the first concave groove 132. The pressure relief valve 4 can discharge the gas inside the box body 13 under certain conditions to keep the transport box always in a stable and safe pressure range. The drain valve 5 can discharge condensed water irregularly as needed, and the bottom of the box body 13 is designed with a small inclination, which is inclined to the side of the drain valve 5, so that the condensed water in the transport box can be completely discharged. At the same time, it is convenient to clean the transport box. The second concave groove 133 is also provided on both sides of the box body 13, and the handle 6 is provided inside the second concave groove 133. The handle 6 can effectively share the load during transportation. The surface of the box cover 14 is provided with a plurality of stacking grooves 141, and the bottom of the box body 13 is provided with a plurality of stacking bosses 134. Different transport boxes are stacked by using the stacking bosses 134 and the stacking grooves 141, so as to prevent relative sliding during stacking, ensure stable stacking, and ensure that four layers of thermal insulation boxes can be stacked. The surface of the box 13 is also provided with a temperature recorder 7 capable of detecting the internal temperature of the box 13. The temperature recorder 7 is provided with a Beidou positioning module. The temperature recorder 7 has GPS / Beidou positioning and GPRS wireless communication functions. The activation and working status of the corresponding functions are automatically displayed on the LCD screen. The working data is reported to the cold chain monitoring system via GPRS. The various functions and working parameters of the temperature recorder 7 can be configured, managed and queried through the platform.

[0022] like Figure 1 , Figure 4 and Figure 5 As shown, the second embodiment of the present invention is different from the first embodiment in that the surface of the first limiting plate 12 is detachably provided with a second cold source 3 for freezing, the second cold source 3 includes a dry ice box 31 and a circulating fan 32, the dry ice box 31 is provided with dry ice inside, the surface of the first limiting plate 12 is provided with a plurality of dry ice boxes 31, and one side of the dry ice box 31 is provided with a circulating fan 32 for blowing cold air to each corner of the box body 13, wherein the dry ice is loaded with the dry ice box 31, and the circulating fan 32 on the dry ice box 31 is powered by alkaline dry batteries and ensures that the circulating fan 32 works to blow out the cold air, and the circulating fan 32 can ensure that the cold air is evenly distributed and avoids the temperature gradient in the box, which is very important for maintaining the overall quality of the goods, and in the refrigeration process, the circulating fan 32 can reduce or prevent the formation of frost and condensation, which is particularly important for transporting perishable goods, because frost and condensation may cause damage to the goods. The main material of the dry ice box 31 is PE material. PE, namely polyethylene, is a thermoplastic resin obtained by polymerization of ethylene. Polyethylene is odorless, non-toxic, feels like wax, has excellent low-temperature resistance (the lowest operating temperature can reach -100℃-70℃), good chemical stability, can withstand corrosion from most acids and alkalis (not resistant to oxidizing acids), is insoluble in general solvents at room temperature, has low water absorption, and has excellent electrical insulation properties.

[0023] The present invention also provides a cold chain transport box control method, including the aviation cold chain transport box of the first embodiment or the second embodiment, comprising the following steps: S1: The user sets the alarm rules of the temperature recorder 7 through the cold chain monitoring system; S11: After logging into the cold chain monitoring platform, the user sets the upper and lower working limits of the temperature inside the transport box body 1; In S11, the upper and lower limits of the internal temperature of the transport box body 1 are set. When the temperature exceeds the set temperature, an alarm message will be generated if it exceeds this range. S12: The data set by the user for the transport box body 1 can be stored locally or uploaded to the cold chain monitoring system in real time after reading the local data and geographic location information; S2: The temperature recorder 7 collects and records the temperature change inside the box 13 and the change of the geographical location to generate information; S3: The temperature recorder 7 uploads the collected information to the server cluster for data screening, and then transmits the data to the analysis and processing layer of the cold chain monitoring system; In S3, the analysis and processing layer mainly involves the collection, processing and analysis of the data of the temperature recorder 7 to ensure the temperature control in the cold chain box and the real-time monitoring of the cargo status.

[0024] S4: The data processing layer of the cold chain monitoring system performs data analysis and determines whether to store data after judging the alarm rules; S5: The cold chain monitoring system reads the alarm rules set for each transport box body 1 for each alarm data; S6: The cold chain monitoring system sends an SMS or WeChat alarm according to the alarm rules of each transport box body 1; S7: The cold chain monitoring system has an API layer for providing data interface; S8: The cold chain monitoring system has an application layer and displays and manages data to users through a web page or mobile software; In S7, the API layer mainly encapsulates the internal logic and data structure of the web page or mobile software, and only exposes the necessary interfaces to external callers. This can protect the internal implementation details of the system and prevent direct external access and modification.

[0025] In S8, the application layer provides an interface for end users to interact with network services, allowing web pages or mobile software to access them through the network. It can also process data representation, encoding and decoding to ensure compatibility when data is transmitted between different systems.

[0026] Working principle and use method of the present invention: Choose refrigerated transportation or frozen transportation according to the transported goods. If refrigerated transportation is required, first install the cold storage plate 21 inside the first limit groove 11, then place the items to be transported in the box 13. After placement, stack six cold storage plates 21 on the surface of the first limit plate 12 and the cold storage plate 21. Then the box cover 14 is connected to the surface of the box 13 through the lock 8. The cold storage plate 21 plays a role of non-mechanical refrigeration during the entire transportation process, realizing constant temperature cold release and short-term cold preservation of the transported goods inside the box 13. The drain valve 5 can discharge condensed water irregularly as needed, and the bottom of the box 13 is designed with a small inclination, tilted to the side of the drain valve 5, so that the condensed water in the transport box can be completely discharged. The pressure relief valve 4 can discharge the gas inside the box 13 under certain conditions to keep the transport box always within a stable and safe pressure range. Different transport boxes are stacked using stacking bosses 134 and stacking slots 141 to prevent relative sliding during stacking and ensure stable stacking.

[0027] If it is necessary to switch to refrigerated transportation, first use the lock 8 to remove the box cover 14 from the box body 13, then remove the first limit plate 12 and the six cold storage plates 21 stacked on the surface of the cold storage plate 21, and then stack a number of dry ice boxes 31 on the surface of the first limit plate 12, where dry ice is loaded using the dry ice boxes 31, and the circulation fan 32 on the dry ice box 31 is powered by alkaline dry batteries, and the circulation fan 32 is guaranteed to work and blow out cold air. The circulation fan 32 can ensure that the cold air is evenly distributed and avoid temperature gradients in the box, which is crucial to maintaining the overall quality of the goods. In addition, during the refrigeration process, the circulation fan 32 can reduce or prevent the formation of frost and condensation, which is especially important for transporting perishable goods because frost and condensation may cause damage to the goods.

[0028] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. An aviation cold chain transport box, comprising a transport box body (1), characterized in that: The transport box body (1) is provided with a plurality of first limiting grooves (11) and first limiting plates (12) inside, each of the first limiting grooves (11) being provided with a detachable first cold source (2) for refrigeration inside, and the surface of the first limiting plate (12) being provided with a detachable second cold source (3) for freezing or a first cold source (2) for refrigeration.

2. The aviation cold chain transport box according to claim 1, characterized in that: The transport box body (1) comprises a box body (13), a box cover (14) and a sealing ring (15); a second limiting groove (131) is provided on the surface of the box body (13); a sealing ring (15) is provided inside the second limiting groove (131); and the box cover (14) is detachably connected to the surface of the box body (13) via a lock buckle (8).

3. The aviation cold chain transport box according to claim 2, characterized in that: The first cold source (2) comprises a plurality of cold storage plates (21) and a cold storage agent, each of the cold storage plates (21) being provided with a cold storage agent inside, each of the cold storage plates (21) being arranged inside the first limiting groove (11), and a plurality of cold storage plates (21) being stacked on the surfaces of the first limiting plate (12) and the cold storage plate (21).

4. The aviation cold chain transport box according to claim 3, characterized in that: The second cold source (3) comprises a dry ice box (31) and a circulation fan (32), wherein dry ice is provided inside the dry ice box (31), a plurality of dry ice boxes (31) are provided on the surface of the first limiting plate (12), and a circulation fan (32) is provided on one side of the dry ice box (31) for blowing cold air to every corner in the box body (13).

5. The aviation cold chain transport box according to claim 2, characterized in that: First recessed grooves (132) are provided on both sides of the box body (13), and a pressure relief valve (4) and a water discharge valve (5) are provided inside the first recessed groove (132).

6. The aviation cold chain transport box according to claim 2, characterized in that: Second recessed grooves (133) are also provided on both sides of the box body (13), and handles (6) are provided inside the second recessed grooves (133).

7. The aviation cold chain transport box according to claim 2, characterized in that: The surface of the box cover (14) is provided with a plurality of stacking slots (141), the bottom of the box body (13) is provided with a plurality of stacking bosses (134), the surface of the box body (13) is also provided with a temperature recorder (7) capable of detecting the internal temperature of the box body (13), and a Beidou positioning module is provided inside the temperature recorder (7).

8. A cold chain transport box control method, comprising the aviation cold chain transport box according to claim 7, characterized in that: The following steps are included: S1: The user sets the alarm rules of the temperature recorder (7) through the cold chain monitoring system; S2: The temperature recorder (7) collects and records the temperature changes inside the box (13) and the changes in the geographical location to generate information; S3: The temperature recorder (7) uploads the collected information to the server cluster for data screening, and then transmits the data to the analysis and processing layer of the cold chain monitoring system; S4: The data processing layer of the cold chain monitoring system performs data analysis and determines whether to store data after judging the alarm rules; S5: The cold chain monitoring system reads the alarm rules set for each transport box body (1) for each alarm data; S6: The cold chain monitoring system sends an SMS or WeChat alarm according to the alarm rules of each transport box body (1).

9. The aviation cold chain transport box according to claim 8, characterized in that: The following steps are included: S7: The cold chain monitoring system has an API layer for providing data interface; S8: The cold chain monitoring system has an application layer and displays and manages data to users through a web page or mobile software.

10. The aviation cold chain transport box according to claim 8, characterized in that: The user sets the alarm rules of the temperature recorder (7) including the following steps: S11: After logging into the cold chain monitoring platform, the user sets the upper and lower working limits of the temperature inside the transport box body (1); S12: The data set by the user for the transport box body (1) can be stored locally or uploaded to the cold chain monitoring system in real time after reading the local data and geographic location information.

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