Foldable food cold storage case set and food cold storage method

Abstract

The application discloses a foldable food refrigeration and heat preservation box set and a food refrigeration and heat preservation method. First, through the folding design of the refrigeration chamber, the food refrigeration and heat preservation box set can be folded when not in use, greatly reducing the occupied space and facilitating storage and carrying. Secondly, the heat preservation plate of the application adopts aluminum plate material, which has good durability and reliability and can be used for a long time in various outdoor environments. Thirdly, the refrigeration chamber of the application can effectively improve the refrigeration effect and reduce energy consumption. Finally, the design of the application takes into account the convenience of user operation, and through reasonable connection and folding mechanism, the refrigeration chamber can be quickly folded and unfolded, which is simple and convenient to operate and improves the user experience.

Description

Technical Field

[0001] This invention relates to the field of refrigeration and insulation technology, specifically a foldable food refrigeration and insulation box assembly and a food refrigeration and insulation method. Background Technology

[0002] Refrigerated and insulated boxes have become common equipment in daily life. Especially in situations such as picnics, camping, long-distance travel, and food delivery, refrigerated and insulated boxes can effectively maintain the low temperature and freshness of food. However, existing refrigerated and insulated boxes typically have the following problems:

[0003] First, existing refrigerated insulated boxes typically have a fixed structure, are bulky, and are difficult to store when not in use, taking up considerable space. Second, traditional refrigerated insulated boxes often lack convenient folding and unfolding mechanisms, making them inconvenient to transport and carry. Furthermore, the sealing performance of existing refrigerated insulated boxes is difficult to guarantee, easily leading to cold air leakage, affecting refrigeration efficiency, and increasing energy consumption.

[0004] Therefore, there is an urgent need for a food refrigeration and insulation box assembly and a food refrigeration and insulation method that has a reasonable structural design, is easy to fold and carry, and has good sealing performance, in order to solve the shortcomings of the above-mentioned existing technologies. Summary of the Invention

[0005] This invention provides a foldable food refrigeration and insulation box assembly and a food refrigeration and insulation method, which solves the problems of large space occupation, lack of convenient folding and unfolding mechanism, and easy leakage of cold air.

[0006] This invention provides a foldable food refrigeration and insulation box assembly, the foldable food refrigeration and insulation box assembly comprising:

[0007] A rigid box body and a refrigerator compartment, wherein the refrigerator compartment is located at the top of the box body;

[0008] The cabinet is equipped with a refrigeration system and an electrical temperature control system; the refrigeration system is connected to the inner cavity of the refrigerator compartment, and is used to provide cooling for the refrigerator compartment; the electrical temperature control system is used to control the temperature of the refrigerator compartment.

[0009] The cold storage compartment is a folded structure made of insulated panels;

[0010] The insulation board includes a top plate and a bottom plate. A refrigerator door is provided at one end of the top plate and the bottom plate respectively. An upper back plate and a lower back plate hinged to the upper back plate are provided at the other end of the top plate and the bottom plate opposite to the refrigerator door. The lower back plate is hinged to the bottom plate. An upper side plate and a lower side plate hinged to the upper side plate are symmetrically provided on the other two sides of the bottom plate and the top plate. The upper end of the upper side plate is hinged to the top plate, and the end of the upper side plate near the refrigerator door is hinged to the refrigerator door. The lower end of the lower side plate is hinged to the bottom plate, and the end of the lower side plate near the refrigerator door is hinged to the refrigerator door.

[0011] The foldable food refrigeration and insulation box assembly is also equipped with a temperature control system and a display panel. The temperature control system is used to control the temperature of the refrigeration compartment, and the display panel is used to display the temperature inside the refrigeration compartment.

[0012] In one possible implementation, the upper back panel and the lower back panel are foldably hinged together; the lower back panel and the bottom plate are foldably hinged together; the upper side panel and the top plate are foldably hinged together; the end of the upper side panel near the refrigerator door is detachably hinged to the refrigerator door; the upper side panel and the lower side panel are foldably hinged together; the lower side panel and the bottom plate are foldably hinged together; the end of the lower side panel near the refrigerator door is detachably hinged to the refrigerator door.

[0013] In one possible implementation, the upper back panel and the lower back panel are foldably connected using a first hinge; the lower back panel and the bottom plate are foldably connected using a first hinge; the upper side panel and the top plate are foldably connected using a first hinge; the end of the upper side panel near the refrigerator door is detachably connected to the refrigerator door using a second hinge; the upper side panel and the lower side panel are foldably connected using a first hinge; the lower side panel and the bottom plate are foldably connected using a first hinge; the end of the lower side panel near the refrigerator door is detachably connected to the refrigerator door using a second hinge.

[0014] The first hinge has an embedded aluminum alloy plate inside to enhance the connection strength of the first hinge.

[0015] The interior of each of the second hinges is pre-embedded with an aluminum alloy plate to enhance the connection strength of the second hinge.

[0016] In one possible implementation, a first hinge between the lower back panel and the bottom plate is located on the inner side of the connection between the lower back panel and the bottom plate, and a first hinge between the upper back panel and the lower back panel is located on the outer side of the connection between the upper back panel and the lower back panel, so that when the refrigerator compartment is folded, the lower back panel folds toward the interior of the refrigerator compartment, and the upper back panel folds in the opposite direction toward the interior of the refrigerator compartment.

[0017] In one possible implementation, the first hinge between the lower side plate and the bottom plate is located on the inner side of the connection between the lower side plate and the bottom plate, the first hinge between the upper side plate and the lower side plate is located on the outer side of the connection between the upper side plate and the lower side plate, and the first hinge between the upper side plate and the top plate is located on the inner side of the connection between the upper side plate and the top plate, so that when the refrigerator compartment is folded, the lower side plate folds towards the inner cavity of the refrigerator compartment, and the upper side plate folds in the opposite direction to the inner cavity of the refrigerator compartment.

[0018] In one possible implementation, multiple spring latches are provided on the upper back panel near the connection between the top panel and the upper back panel, multiple spring latches are provided on the upper back panel near the connection between the upper back panel and the upper side panel, and multiple spring latches are provided on the lower back panel near the connection between the lower back panel and the lower side panel. When the refrigerator compartment is fully extended, the spring latches are used to fix the upper back panel, the lower back panel, the upper side panel, the lower side panel, and the top panel.

[0019] In one possible implementation, the enclosure comprises an outer surface layer and an inner surface layer made of aluminum plate, and an intermediate layer made of XPS extruded board, wherein the intermediate layer is disposed between the outer surface layer and the inner surface layer.

[0020] The housing is equipped with an elastic shock absorption mechanism and a handle mechanism;

[0021] The elastic shock absorption mechanism is located between the outer side of the box and the handle mechanism, and is used to absorb shock during the handling of the food refrigerated and insulated box assembly.

[0022] The handle mechanism is used by operators to move, stack, and store the food refrigerated and insulated box assembly.

[0023] In one feasible embodiment, the housing is provided with a condenser air inlet and an air outlet;

[0024] The refrigeration system includes a compressor, a condenser, a condenser fan, an evaporator, and an evaporator fan;

[0025] The enclosure includes a first chamber and a second chamber;

[0026] The compressor and the condenser are installed in the first chamber, and the condenser fan is mounted on the condenser;

[0027] The evaporator is installed in the second chamber, and the evaporator fan is mounted on the evaporator;

[0028] The evaporator is connected to the condenser via piping.

[0029] The compressor is connected to the evaporator and the condenser piping respectively.

[0030] The present invention also provides a food refrigeration and insulation method, applied to the above-mentioned foldable food refrigeration and insulation box assembly, the method comprising:

[0031] H1 retrieves temperature information; the temperature information is the temperature value of the refrigerator compartment at the previous N times, including the current time; N is a positive integer.

[0032] H2, analyzes and processes the temperature information to obtain a first temperature value;

[0033] H3, obtain the upper limit temperature value and the lower limit temperature value;

[0034] H4, determine whether the first temperature value is greater than the upper limit temperature value, and obtain the second determination result;

[0035] When the second judgment result is yes, the electrical temperature control system is triggered to start cooling;

[0036] If the second judgment result is negative, determine whether the first temperature value is less than the lower limit temperature value to obtain the third judgment result;

[0037] When the third judgment result is yes, the electrical temperature control system is triggered to stop cooling;

[0038] If the third judgment result is negative, no action is taken, and the current operating state of the electrical temperature control system is maintained.

[0039] In one feasible approach, the temperature information is analyzed and processed to obtain a first temperature value, which is obtained by analyzing and processing using a first temperature calculation model.

[0040] The first temperature calculation model is:

[0041]

[0042] In the formula, TA is the first temperature value, ST is the sum of the temperature values ​​of the previous N times including the current time, and δ7 and δ8 are the seventh and eighth weighting parameters, respectively.

[0043] The beneficial effects of this invention are as follows: First, through the folding design of the cold storage compartment, the food refrigeration and insulation box assembly of this invention can be folded when not in use, greatly reducing the space occupied and facilitating storage and carrying; second, the insulation board of this invention is made of aluminum plate material, which has good durability and reliability, and can be used for a long time in various outdoor environments; third, the cold storage compartment of this invention can effectively improve the refrigeration effect and reduce energy consumption; finally, the design of this invention takes into account the user's ease of operation. Through a reasonable connection and folding mechanism, the cold storage compartment can be quickly folded and unfolded, making operation simple and convenient, and improving the user experience. Attached Figure Description

[0044] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0045] Figure 1 This is a structural diagram of a foldable food refrigeration and insulation box assembly according to the present invention;

[0046] Figure 2 This is a structural diagram of a foldable food refrigeration and insulation box assembly according to the present invention;

[0047] Figure 3 This is a structural diagram of the unfolded state of the foldable food refrigeration and insulation box assembly of the present invention;

[0048] Figure 4 This is a structural diagram of the upper back panel of a foldable food refrigeration and insulation box assembly of the present invention in a semi-folded state.

[0049] Figure 5 This is a structural diagram of the fully folded upper back panel of a foldable food refrigeration and insulation box assembly according to the present invention.

[0050] Figure 6 This is a structural diagram of the upper and lower side panels of a foldable food refrigerator and insulated box assembly of the present invention in a semi-folded state;

[0051] Figure 7 This is a cross-sectional view and a side view of the first hinge of a foldable food refrigerator and insulated box assembly according to the present invention.

[0052] Figure 8 This is a diagram showing the closed and unfolded states of the sealing structure of a foldable food refrigeration and insulation box assembly according to the present invention;

[0053] Figure 9 This is a structural diagram of the upper and lower sealing strips of a foldable food refrigeration and insulation box assembly according to the present invention;

[0054] Figure 10 This is a structural diagram of the ice crystal storage box of a foldable food refrigeration and insulation box assembly according to the present invention;

[0055] Figure 11 A schematic diagram of a sealing detection method for a foldable food refrigeration and insulation box assembly provided by the present invention;

[0056] Figure 12 This is a schematic diagram of a food refrigeration and heat preservation method provided by the present invention.

[0057] Explanation of reference numerals in the attached figures:

[0058] 1. Housing; 11. Elastic shock absorption mechanism; 12. Handle mechanism; 13. Condenser air inlet; 14. Exhaust vent; 15. Display panel; 16. First chamber; 17. Second chamber; 18. Compressor; 19. Condenser; 110. Condenser fan; 111. Evaporator; 112. Evaporator fan; 113. Electrical temperature control system; 114. Storage door; 115. Power socket;

[0059] 2. Refrigerator compartment; 21. Top panel; 22. Bottom panel; 23. Refrigerator compartment door; 24. Upper back panel; 25. Lower back panel; 26. Upper side panel; 27. Lower side panel; 28. Sealing structure; 281. Upper sealing strip; 2811. Upper sealing fixing component; 2812. Upper sealing component; 282. Lower sealing strip; 2821. Lower sealing component; 2822. Lower sealing fixing component; 2823. Lower side sealing component; 2824. First protrusion; 2825. Second protrusion; 29. ​​First hinge; 210. Second hinge; 211. Refrigerator compartment handle; 212. Spring lock;

[0060] 3. Cold storage ice crystal box;

[0061] 4. Pallets;

[0062] 5. LED lights. Detailed Implementation

[0063] The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0064] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0065] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this invention, "a plurality of" means two or more, such as two, three, etc., unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly, for example, referring to a fixed connection, a detachable connection, or an integral connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or a connection within two elements or an interaction between two elements, unless otherwise explicitly specified. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0066] Example 1

[0067] See Figures 1 to 10 This application provides a foldable food refrigerator / insulated box assembly, which includes:

[0068] A rigid box body 1 and a refrigerator compartment 2, with the refrigerator compartment 2 located on the upper part of the box body 1.

[0069] The cabinet 1 is equipped with a refrigeration system and an electrical temperature control system 113; the refrigeration system is connected to the inner cavity of the refrigerator compartment 2, and is used to provide cooling for the refrigerator compartment 2; the electrical temperature control system 113 is used to control the temperature of the refrigerator compartment 2; wherein,

[0070] The cold storage compartment 2 is a folded structure made of insulation panels.

[0071] The insulation board consists of an outer surface layer and an inner surface layer made of aluminum sheet, and an intermediate layer made of XPS extruded polystyrene board, with the intermediate layer located between the outer surface layer and the inner surface layer.

[0072] For example, the aluminum plate thickness of the inner and outer surface layers of the cold storage compartment 2 is 1.0 mm.

[0073] Specifically, the external dimensions of refrigerator compartment 2 are 990mm×770mm×415mm, the effective volume is 515L, the temperature adjustment range is -10℃~5℃, and the total weight of refrigerator compartment 2 is approximately 29.7kg.

[0074] The insulation board includes a top plate 21 and a bottom plate 22. A refrigerator door 23 is provided at one end of the top plate 21 and the bottom plate 22 respectively. An upper back plate 24 and a lower back plate 25 hinged to the upper back plate 24 are provided at the other end of the top plate 21 and the bottom plate 22 opposite to the refrigerator door 23. The lower back plate 25 is hinged to the bottom plate 22. An upper side plate 26 and a lower side plate 27 hinged to the upper side plate 26 are symmetrically provided on the other two sides of the bottom plate 22 and the top plate 21. The upper end of the upper side plate 26 is hinged to the top plate 21, and the end of the upper side plate 26 near the refrigerator door 23 is hinged to the refrigerator door 23. The lower end of the lower side plate 27 is hinged to the bottom plate 22, and the end of the lower side plate 27 near the refrigerator door 23 is hinged to the refrigerator door 23.

[0075] For example, there are two refrigerator doors 23, which are symmetrically arranged between the bottom plate 22 and the top plate 21.

[0076] The foldable food refrigerated and insulated box assembly is also equipped with a gap width detection system. The gap width detection system is located on the inside of the upper back panel 24 near the lower back panel 25 and is used to detect the door gap of the refrigerator door 23.

[0077] The foldable food refrigeration and insulation box assembly is also equipped with a temperature control system and a display panel 15. The temperature control system is used to control the temperature of the refrigeration compartment 2, and the display panel 15 is used to display the temperature inside the refrigeration compartment 2.

[0078] See Figure 3 and Figure 4 In one embodiment, the upper back panel 24 and the lower back panel 25 are foldably hinged together; the lower back panel 25 is foldably hinged together with the bottom panel 22; the upper side panel 26 is foldably hinged together with the top panel 21; the end of the upper side panel 26 near the refrigerator door 23 is detachably hinged to the refrigerator door 23; the upper side panel 26 and the lower side panel 27 are foldably hinged together; the lower side panel 27 is foldably hinged together with the bottom panel 22; the end of the lower side panel 27 near the refrigerator door 23 is detachably hinged to the refrigerator door 23.

[0079] In one embodiment, the upper back panel 24 and the lower back panel 25 are foldably connected by a first hinge 29; the lower back panel 25 and the bottom panel 22 are foldably connected by a first hinge 29; the upper side panel 26 and the top panel 21 are foldably connected by a first hinge 29; the end of the upper side panel 26 near the refrigerator door 23 is detachably connected to the refrigerator door 23 by a second hinge 210; the upper side panel 26 and the lower side panel 27 are foldably connected by a first hinge 29; the lower side panel 27 and the bottom panel 22 are foldably connected by a first hinge 29; the end of the lower side panel 27 near the refrigerator door 23 is detachably connected to the refrigerator door 23 by a second hinge 210.

[0080] Each of the first hinge 29 has an embedded aluminum alloy plate inside to enhance the connection strength of the first hinge 29.

[0081] The interior of each second hinge 210 has an embedded aluminum alloy plate to enhance the connection strength of the second hinge 210.

[0082] It should be noted that the first hinge 29 may also use a rivet with a foldable structure or other foldable structure; the second hinge 210 may also use a rivet with a detachable structure or other detachable structure.

[0083] The connection is aesthetically pleasing and durable, achieved by using the first hinge 29 and the second hinge 210. At the same time, multiple folds do not affect the strength of the refrigerator compartment 2 or the tightness of the connection.

[0084] In one embodiment, a first hinge 29 between the lower back panel 25 and the bottom plate 22 is disposed on the inner side of the connection between the lower back panel 25 and the bottom plate 22, and a first hinge 29 between the upper back panel 24 and the lower back panel 25 is disposed on the outer side of the connection between the upper back panel 24 and the lower back panel 25, so that when the refrigerator compartment 2 is folded, the lower back panel 25 folds toward the inner cavity of the refrigerator compartment 2, and the upper back panel 24 folds toward the inner cavity of the refrigerator compartment 2 in the opposite direction.

[0085] In one embodiment, the first hinge 29 between the lower side plate 27 and the bottom plate 22 is located on the inner side of the connection between the lower side plate 27 and the bottom plate 22, the first hinge 29 between the upper side plate 26 and the lower side plate 27 is located on the outer side of the connection between the upper side plate 26 and the lower side plate 27, and the first hinge 29 between the upper side plate 26 and the top plate 21 is located on the inner side of the connection between the upper side plate 26 and the top plate 21, so that when the refrigerator compartment 2 is folded, the lower side plate 27 folds toward the inner cavity of the refrigerator compartment 2, and the upper side plate 26 folds toward the inner cavity of the refrigerator compartment 2 in the opposite direction.

[0086] For details, please refer to Figures 4 to 6When folding the refrigerator compartment 2, open the second hinge 210 on the door, simultaneously grasp both refrigerator compartment handles 211 with one hand, and brace the top panel 21 with the other hand, slowly pull the door outwards. Once the door is open, lift the left and right doors upwards to remove them and set them aside for later use; remove the pallet 4 and place it stably on the bottom plate 22 of the refrigerator compartment 2; open all the spring latches 212 on the upper back panel 24 and lower back panel 25, pull the upper and lower refrigerator compartment handles 211 and apply force towards the inside of the cabinet 1 to fold the upper and lower back panels and press them onto the pallet 4. Figure 5 As shown; place the left and right doors smoothly on the folded top panel 21, with both doors facing the same direction and centered. Use two 2-meter elastic straps and two 2.5-meter elastic straps to secure the folded refrigerator compartment 2 to the main body 1 from the front and back and left and right directions respectively. Folding is complete.

[0087] When unfolding the refrigerator door 23, untie all four elastic straps in sequence, and remove the top left and right doors from their folded state for later use; tighten the refrigerator handle 211 on the top panel 21 (which is currently folded), and push upwards to unfold the upper side panel 26, lower side panel 27, and top panel 21 to... Figure 6 State; Pull the refrigerator compartment handles 211 of the folded upper back panel 24 and lower back panel 25, and slowly exert force outward to unfold the upper back panel 24 and lower back panel 25 to a flat state. Use the spring lock 212 to fix the upper side panel 26, lower side panel 27, top panel 21, upper back panel 24, and lower back panel 25; Take out the pallet 4 from the bottom and place it stably on the pallet 4 support inside the refrigerator compartment 2; Take out the left and right doors and insert the doors into the hinge holes at the top of the upper side panel 26 and the bottom of the bottom panel 22 via the hinges. Pull in the refrigerator compartment handles 211 of the left and right doors, and at the same time slowly close the left and right doors to the closed state, close the door latches, and the unfolding is complete.

[0088] See Figure 8 In one embodiment, a sealing structure 28 is provided between the upper side plate 26 and the top plate 21.

[0089] It should be noted that, in addition to the sealing structure 28 between the upper side plate 26 and the top plate 21, a sealing structure 28 is provided between the upper back plate 24 and the lower back plate 25; a sealing structure 28 is provided between the lower back plate 25 and the bottom plate 22; a sealing structure 28 is provided between the upper side plate 26 and the lower side plate 27; and a sealing structure 28 is provided between the lower side plate 27 and the bottom plate 22.

[0090] In one embodiment, the sealing structure 28 includes an upper sealing strip 281 and a lower sealing strip 282. The upper sealing strip 281 is disposed on the top plate 21 at the connection between the upper side plate 26 and the top plate 21, and the lower sealing strip 282 is disposed on the upper side plate 26 at the connection between the upper side plate 26 and the top plate 21.

[0091] It should be noted that the above embodiment describes the connection relationship of the sealing structure 28 provided between the upper side plate 26 and the top plate 21. The sealing structures 28 between the upper back plate 24 and the lower back plate 25, the lower back plate 25 and the bottom plate 22, the upper side plate 26 and the lower side plate 27, and the lower side plate 27 and the bottom plate 22 also have similar connection relationships. The upper sealing strip 281 is provided at one of the connection points of the two plates mentioned above, and the lower sealing strip 282 is provided at the other connection point of the two plates mentioned above. The connection relationships between other structures included in the upper sealing strip 281 and the lower sealing strip 282 and the plates are also applicable to the description here.

[0092] See Figure 8 and Figure 9 In one embodiment, the upper sealing strip 281 includes an upper sealing fixing component 2811 and two upper sealing components 2812.

[0093] Two upper sealing components 2812 are connected to the upper sealing fixing component 2811.

[0094] The lower sealing strip 282 has a horizontal "T" shaped structure, including a lower sealing component 2821, a lower sealing fixing component 2822, and a lower side sealing component 2823; one end of the lower sealing component 2821 is connected to the middle of the lower side sealing component 2823, and the other end is provided with a first protrusion 2824. The middle of the lower sealing component 2821 is connected to the lower sealing fixing component 2822, and a second protrusion 2825 is also provided in the middle position of the lower sealing component 2821.

[0095] The upper sealing and fixing component 2811 is fixedly connected to the top plate 21.

[0096] The lower sealing and fixing component 2822 is fixedly connected to the upper side plate 26.

[0097] In one embodiment, the upper sealing component 2812 is an arc-shaped structure that bends upward toward the upper sealing fixing component 2811; the first protrusion 2824 is an arc-shaped structure that bends toward the second protrusion 2825, and the second protrusion 2825 is an arc-shaped structure that bends toward the first protrusion 2824; when the refrigerator compartment 2 is fully extended, the two upper sealing components 2812 and the second protrusion 2825 divide the connection between the top plate 21 and the upper side plate 26 into multiple sealing areas, so as to seal the connection between the top plate 21 and the upper side plate 26 multiple times, thereby forming a sealing area with three layers of cold bridges to prevent the refrigerator compartment 2 from losing or leaking cold.

[0098] For example, the upper sealing component 2812 is an arc-shaped structure that curves upward to the upper sealing fixing component 2811, which increases the elastic deformation space of the upper sealing strip 281 and provides a better double-layer sealing effect.

[0099] For example, the first protrusion 2824 is an arc-shaped structure that bends toward the second protrusion 2825. When the lower sealing strip 282 is deformed by pressure, the first protrusion 2824 can be deformed on the inner side of the arc, which has better sealing performance.

[0100] For example, the second protrusion 2825 is an arc-shaped structure that bends toward the first protrusion 2824, which makes the unfolding process smoother and more seamless when the refrigerator compartment 2 is unfolded.

[0101] In one embodiment, the lower side sealing member 2823 is fitted to the outer side of the connection between the top plate 21 and the upper side plate 26 so as to seal the connection between the top plate 21 and the upper side plate 26 when the refrigerator compartment 2 is opened.

[0102] For example, the lower side sealing component 2823 fits against the outer side of the connection between the top plate 21 and the upper side plate 26, ensuring that after the refrigerator compartment 2 is opened, the upper sealing strip 281 can fit tightly against the outer side of the refrigerator compartment 2, which not only covers the gap at the connection, but also ensures the sealing effect at the connection.

[0103] In one embodiment, a plurality of spring latches 212 are provided on the upper back panel 24 near the connection between the top panel 21 and the upper back panel 24, a plurality of spring latches 212 are provided on the upper back panel 24 near the connection between the upper back panel 24 and the upper side panel 26, and a plurality of spring latches 212 are provided on the lower back panel 25 near the connection between the lower back panel 25 and the lower side panel 27. When the refrigerator compartment 2 is fully extended, the spring latches 212 are used to fix the upper back panel 24, the lower back panel 25, the upper side panel 26, the lower side panel 27 and the top panel 21.

[0104] In one embodiment, the sealing structure 28 is a low-temperature resistant soft rubber and plastic product, and its flexibility and sealing performance do not change in an environment of -30°C.

[0105] See Figure 10 In one embodiment, the cold storage compartment 2 also includes multiple ice storage boxes 3.

[0106] Multiple cold storage ice crystal boxes 3 are installed on the inner side of the top plate 21, upper side plate 26, and lower side plate 27. The cold storage ice crystal boxes 3 are made of food-grade thickened PE with a freezing point of -20℃. They have short freezing time, high cold storage capacity, and can be reused without water injection. There is no limit to the number of uses if the packaging is not damaged. When the ice crystals in the cold storage ice crystal box 3 freeze and melt, the cold energy released is much greater than that of water, which directly plays a role in rapid cooling. Under full load conditions, it can maintain a temperature of ≤10℃ inside the box for 24 hours after power failure (ambient temperature 46℃, initial temperature -10℃), which can meet the cold storage and insulation needs under tight power supply conditions in the field.

[0107] For example, there are 16 ice storage boxes 3, of which 4 are provided on the inner side of the top plate 21, 3 on each of the two upper side plates 26, and 3 on each of the two lower side plates 27.

[0108] In one embodiment, the refrigerator compartment 2 is also equipped with an LED light 5 for nighttime illumination.

[0109] In one embodiment, a pallet 4 is provided in the cold storage compartment 2, and a turnover basket is provided on the pallet 4 for the classified storage and retrieval of food.

[0110] In one embodiment, a gap width detection system is also provided on the refrigerator compartment 2. The gap width detection system is located on the inner side of the upper back panel 24 near the lower back panel 25. It is used to detect the gap of the refrigerator compartment door 23. When the refrigerator compartment door 23 is not closed tightly, an alarm is issued to the user so as to ensure that the refrigerator compartment door 23 is always kept closed when the user is not using it, to prevent cold from escaping or leaking, and to make the refrigerator compartment 2 achieve a better heat preservation effect.

[0111] The gap width detection system includes a miniature camera and a gap width detection unit.

[0112] The miniature camera is connected to the gap width detection unit and is facing the refrigerator door 23 so that it can capture complete image information of the refrigerator door 23 and periodically send the captured image information of the refrigerator door 23 to the gap width detection unit.

[0113] After receiving the image information, the gap width detection unit analyzes and processes the image to obtain the gap detection width value. When the gap detection width value is greater than the preset door gap width value, it indicates that the refrigerator door 23 is not closed tightly. At this time, an alarm is issued to the user so that the user can close the refrigerator door 23 tightly in time.

[0114] See Figure 11 In one embodiment, after receiving image information, the gap width detection unit analyzes and processes the image to obtain a gap detection width value. When the gap detection width value is greater than the preset door gap width value, it indicates that the refrigerator door 23 is not closed tightly. At this time, an alarm is issued to the user so that the user can close the refrigerator door 23 tightly in time. The gap width detection unit obtains the value through the following sealing detection method for the foldable food refrigerated and insulated box assembly:

[0115] S1, acquire image information of the refrigerator door 23;

[0116] S2, analyze and process the image information to obtain the gap detection width value;

[0117] S3, determine whether the gap detection width value is greater than the preset door gap width value, and obtain the first judgment result;

[0118] If the first judgment result is yes, issue an alarm message that the door gap is not closed properly, and wait for time T before returning to execute S1;

[0119] If the first judgment result is negative, wait for time T and then return to execute S1.

[0120] It should be noted that the preset door gap width value and time T mentioned above can be set by the user or obtained from historical data. This invention does not impose any specific limitations.

[0121] In one embodiment, the image information is analyzed and processed to obtain the gap detection width value, including:

[0122] S21, using the first gap width calculation model, the image information is calculated and processed to obtain the first image information;

[0123] The calculation model for the width of the first gap is as follows:

[0124] I i =δ1·A i +δ2·B i +δ3·C i +δ4 1≤i≤M;

[0125] δ1+δ2+δ3=1;

[0126] Where I represents the first image information, I i Let A be the value of the i-th pixel in the first image information. i Let B be the red channel value of the i-th pixel in the image information. i Let C be the green channel value of the i-th pixel in the image information. i Let δ1 be the blue channel value of the i-th pixel in the image information, M be the total number of pixels in the image information, and δ1, δ2, δ3 and δ4 be the first weight parameter, the second weight parameter, the third weight parameter and the fourth weight parameter, respectively.

[0127] It should be noted that the first weight parameter, the second weight parameter, the third weight parameter, and the fourth weight parameter can be set by the user or obtained based on historical data. This embodiment of the invention does not impose any specific limitations.

[0128] S22, preprocess the first image information to obtain the second image information; the second image information includes left edge contour information and right edge contour information;

[0129] It should be noted that the preprocessing of the first image information to obtain the second image information involves using Gaussian blur algorithm, Canny edge detection algorithm, morphological processing algorithm, and contour detection algorithm to calculate and process the first image information. The second image information includes left edge contour information and right edge contour information, both of which include L contour coordinate values.

[0130] It should be noted that both the left and right edge contour information include L contour coordinate values, including x-coordinate values ​​and corresponding y-coordinate values. The x-coordinate values ​​in the left and right edge contour information are one-to-one and equal. For example, if the left edge contour information is {[1,2],[2,2],[3,1].[4,2],[5,3]}, then the right edge contour information is {[1,1],[2,2],[3,2].[4,3],[5,2]}, where the x-coordinate values ​​in the left and right edge contour information are the same, both being 1,2,3,4,5.

[0131] For example, morphological processing algorithms include dilation and erosion.

[0132] S23, using the second gap width calculation model, the second image information is calculated and processed to obtain the gap detection width value;

[0133] The calculation model for the second gap width is as follows:

[0134]

[0135] Where WG is the gap detection width value, XZ and XY are the left edge contour information and the right edge contour information respectively, XZ(k) is the y coordinate value corresponding to the x coordinate value in the kth contour coordinate value information in the left edge contour information, XY(k) is the y coordinate value corresponding to the x coordinate value in the kth contour coordinate value information in the right edge contour information, || represents taking the absolute value, and δ5 and δ6 represent the fifth weight parameter and the sixth weight parameter.

[0136] It should be noted that the fifth and sixth weight parameters can be set by the user or obtained from historical data, and this embodiment of the invention does not limit them.

[0137] In one embodiment, the enclosure 1 comprises an outer surface layer and an inner surface layer made of aluminum plate, and an intermediate layer made of XPS extruded board, with the intermediate layer of enclosure 1 disposed between the outer surface layer and the inner surface layer.

[0138] For example, the aluminum plates on both the outer and inner surfaces of the enclosure are 1.0 mm thick, welded using aluminum welding technology, and powder-coated in military green.

[0139] The housing 1 is equipped with an elastic shock absorption mechanism 11 and a handle mechanism 12.

[0140] The elastic shock absorption mechanism 11 is located between the outer side of the box body 1 and the handle mechanism 12, and is used to absorb shock during the handling of the food refrigerated and insulated box assembly.

[0141] The handle mechanism 12 is used by operators to move, stack, and store food refrigerated and insulated boxes.

[0142] For example, each surface of the housing 1 is flat and smooth, free from impurities such as burrs, scratches, sand holes, bubbles, and cavities.

[0143] In one embodiment, the housing 1 is provided with a condenser air inlet 13, an air outlet 14, a storage door 114, and a power socket 115.

[0144] The refrigeration system includes a compressor 18, a condenser 19, a condenser fan 110, an evaporator 111, and an evaporator fan 112.

[0145] The housing 1 includes a first chamber 16 and a second chamber 17.

[0146] The compressor 18 and the condenser 19 are installed in the first chamber 16, and the condenser fan 110 is mounted on the condenser 19.

[0147] Evaporator 111 is installed in the second chamber 17, and evaporator fan 112 is installed on evaporator 111.

[0148] Evaporator 111 is connected to condenser 19 by piping.

[0149] The compressor 18 is connected to the evaporator 111 and the condenser 19 via pipelines.

[0150] Specifically, compressor 18 operates, drawing in and compressing the refrigerant. Then, it flows through pipes into condenser 19, where it is cooled by condenser fan 110, condenser air inlet 13, and external airflow. The cooled air is then delivered into refrigerator compartment 2 through pipes. Additionally, the refrigerant flows through pipes into evaporator 111, where it absorbs heat from cabinet 1 and refrigerator compartment 2, and is discharged through exhaust vent 14, thus lowering the temperature inside cabinet 1 and refrigerator compartment 2. This process is repeated to complete the cooling of cabinet 1 and refrigerator compartment 2.

[0151] In one embodiment, the temperature control system includes a temperature sensor and a temperature analysis unit.

[0152] Temperature sensors are connected to the temperature analysis unit and the display panel 15 respectively, and are used to send the acquired temperature information of the refrigerator compartment 2 to the temperature analysis unit and the display panel 15.

[0153] The temperature analysis unit is connected to the electrical temperature control system 113 and is used to analyze and process the temperature information in the refrigerator compartment 2 to obtain temperature analysis information. Based on the temperature analysis information, it determines whether to trigger the electrical temperature control system 113 to control the refrigeration system to refrigerate the cabinet 1 and the refrigerator compartment 2.

[0154] See Figure 12 The temperature analysis unit analyzes and processes the temperature information of the cold storage compartment 2 to obtain temperature analysis information, which is obtained by the temperature analysis unit through the following food refrigeration and insulation methods:

[0155] H1, retrieves temperature information; the temperature information is the temperature value of the refrigerator compartment 2 at the previous N times, including the current time; N is a positive integer;

[0156] H2 analyzes and processes the temperature information to obtain the first temperature value;

[0157] H3, obtain the upper limit temperature value and the lower limit temperature value;

[0158] H4 determines whether the first temperature value is greater than the upper limit temperature value, and obtains the second judgment result;

[0159] When the second judgment result is yes, the electrical temperature control system 113 is triggered to start cooling;

[0160] If the second judgment result is negative, then the first temperature value is judged to be less than the lower limit temperature value to obtain the third judgment result.

[0161] When the third judgment result is yes, the electrical temperature control system 113 is triggered to stop cooling;

[0162] If the third judgment result is negative, no action is taken, and the current operating state of the electrical temperature control system 113 is maintained.

[0163] In one embodiment, the temperature information is analyzed and processed to obtain a first temperature value, which is obtained by analyzing and processing using a first temperature calculation model;

[0164] The first temperature calculation model is:

[0165]

[0166] In the formula, TA is the first temperature value, ST is the sum of the temperature values ​​of the previous N times including the current time, and δ7 and δ8 are the seventh and eighth weighting parameters, respectively.

[0167] It should be noted that the seventh and eighth weight parameters can be set by the user, and this embodiment of the invention does not limit them.

[0168] It should be noted that by analyzing the current temperature and the temperatures at previous times in the refrigerator compartment 2 using the first temperature calculation model, a more stable current temperature value can be obtained, so as to better trigger the electrical temperature control system 113 to perform cooling and stop cooling, and prevent the compressor 18 from starting and stopping frequently.

[0169] In the above embodiments, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0170] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0171] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "method," "specific method," or "some methods," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or method is included in at least one embodiment or method of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or method. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or methods. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or methods described in this specification, as well as the features of different embodiments or methods.

[0172] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A foldable food refrigeration and insulation box assembly, characterized in that, The foldable food refrigeration and insulation box assembly includes: A rigid box body and a refrigerator compartment, wherein the refrigerator compartment is located at the top of the box body; The cabinet is equipped with a refrigeration system and an electrical temperature control system; the refrigeration system is connected to the inner cavity of the refrigerator compartment, and is used to provide cooling for the refrigerator compartment; the electrical temperature control system is used to control the temperature of the refrigerator compartment. The cold storage compartment is a folded structure made of insulated panels; The insulation board includes a top plate and a bottom plate. A refrigerator door is provided at one end of the top plate and the bottom plate respectively. An upper back plate and a lower back plate hinged to the upper back plate are provided at the other end of the top plate and the bottom plate opposite to the refrigerator door. The lower back plate is hinged to the bottom plate. An upper side plate and a lower side plate hinged to the upper side plate are symmetrically provided on the other two sides of the bottom plate and the top plate. The upper end of the upper side plate is hinged to the top plate, and the end of the upper side plate near the refrigerator door is hinged to the refrigerator door. The lower end of the lower side plate is hinged to the bottom plate, and the end of the lower side plate near the refrigerator door is hinged to the refrigerator door. The refrigerator compartment is also equipped with a gap width detection system. The gap width detection system is located on the inner side of the upper back panel near the lower back panel. It is used to detect the gap of the refrigerator compartment door. When the refrigerator compartment door is not closed tightly, it will give an alarm to the user to ensure that the refrigerator compartment door is kept closed when the user is not using it, so as to prevent cold from escaping or leaking. The gap width detection system includes a miniature camera and a gap width detection unit; The miniature camera is connected to the gap width detection unit and is positioned directly in front of the refrigerator door so that it can capture complete image information of the refrigerator door and periodically send the captured image information of the refrigerator door to the gap width detection unit. After receiving the image information, the gap width detection unit analyzes and processes the image to obtain the gap detection width value. When the gap detection width value is greater than the preset door gap width value, an alarm is issued to the user so that the user can close the refrigerator door tightly in time.

2. The foldable food refrigeration and insulation box assembly according to claim 1, characterized in that, The upper back panel and the lower back panel are foldably hinged together; the lower back panel and the bottom plate are foldably hinged together; the upper side panel and the top plate are foldably hinged together; the end of the upper side panel near the refrigerator door is detachably hinged to the refrigerator door; the upper side panel and the lower side panel are foldably hinged together; the lower side panel and the bottom plate are foldably hinged together; the end of the lower side panel near the refrigerator door is detachably hinged to the refrigerator door.

3. The foldable food refrigeration and insulation box assembly according to claim 2, characterized in that, The upper back panel and the lower back panel are foldably connected by a first hinge; the lower back panel and the bottom plate are foldably connected by a first hinge; the upper side panel and the top plate are foldably connected by a first hinge; the end of the upper side panel near the refrigerator door is detachably connected to the refrigerator door by a second hinge; the upper side panel and the lower side panel are foldably connected by a first hinge; the lower side panel and the bottom plate are foldably connected by a first hinge; the end of the lower side panel near the refrigerator door is detachably connected to the refrigerator door by a second hinge. The first hinge has an embedded aluminum alloy plate inside to enhance the connection strength of the first hinge. The interior of each of the second hinges is pre-embedded with an aluminum alloy plate to enhance the connection strength of the second hinge.

4. The foldable food refrigeration and insulation box assembly according to claim 3, characterized in that, The first hinge between the lower back panel and the bottom plate is located on the inner side of the connection between the lower back panel and the bottom plate, and the first hinge between the upper back panel and the lower back panel is located on the outer side of the connection between the upper back panel and the lower back panel, so that when the refrigerator compartment is folded, the lower back panel folds towards the inner cavity of the refrigerator compartment, and the upper back panel folds in the opposite direction to the inner cavity of the refrigerator compartment.

5. The foldable food refrigeration and insulation box assembly according to claim 3, characterized in that, The first hinge between the lower side plate and the bottom plate is located on the inner side of the connection between the lower side plate and the bottom plate, the first hinge between the upper side plate and the lower side plate is located on the outer side of the connection between the upper side plate and the lower side plate, and the first hinge between the upper side plate and the top plate is located on the inner side of the connection between the upper side plate and the top plate, so that when the refrigerator compartment is folded, the lower side plate folds towards the inner cavity of the refrigerator compartment, and the upper side plate folds in the opposite direction to the inner cavity of the refrigerator compartment.

6. The foldable food refrigeration and insulation box assembly according to claim 1, characterized in that, Multiple spring latches are provided on the upper back panel near the connection between the top panel and the upper back panel, and multiple spring latches are provided on the upper back panel near the connection between the upper back panel and the upper side panel. Multiple spring latches are provided on the lower back panel near the connection between the lower back panel and the lower side panel. When the refrigerator compartment is fully extended, the spring latches are used to fix the upper back panel, the lower back panel, the upper side panel, the lower side panel, and the top panel.

7. The foldable food refrigeration and insulation box assembly according to claim 1, characterized in that, The enclosure comprises an outer surface layer and an inner surface layer made of aluminum plate, and an intermediate layer made of XPS extruded board, wherein the intermediate layer is disposed between the outer surface layer and the inner surface layer. The housing is equipped with an elastic shock absorption mechanism and a handle mechanism; The elastic shock absorption mechanism is located between the outer side of the box and the handle mechanism, and is used to absorb shock during the handling of the food refrigerated and insulated box assembly. The handle mechanism is used by operators to move, stack, and store the food refrigerated and insulated box assembly.

8. The foldable food refrigeration and insulation box assembly according to claim 1, characterized in that, The housing is equipped with a condenser air inlet and an air outlet. The refrigeration system includes a compressor, a condenser, a condenser fan, an evaporator, and an evaporator fan; The enclosure includes a first chamber and a second chamber; The compressor and the condenser are installed in the first chamber, and the condenser fan is mounted on the condenser; The evaporator is installed in the second chamber, and the evaporator fan is mounted on the evaporator; The evaporator is connected to the condenser via piping. The compressor is connected to the evaporator and the condenser piping respectively.

9. A method for refrigerating and insulating food, applied to the foldable food refrigeration and insulation box assembly according to any one of claims 1-8, characterized in that, The method includes: H1 retrieves temperature information; the temperature information is the temperature value of the refrigerator compartment at the previous N times, including the current time; N is a positive integer. H2, analyzes and processes the temperature information to obtain a first temperature value; H3, obtain the upper limit temperature value and the lower limit temperature value; H4, determine whether the first temperature value is greater than the upper limit temperature value, and obtain the second determination result; When the second judgment result is yes, the electrical temperature control system is triggered to start cooling; If the second judgment result is negative, determine whether the first temperature value is less than the lower limit temperature value to obtain the third judgment result; When the third judgment result is yes, the electrical temperature control system is triggered to stop cooling; If the third judgment result is negative, no action is taken, and the current operating state of the electrical temperature control system is maintained.

10. The food refrigeration and heat preservation method according to claim 9, characterized in that, The temperature information is analyzed and processed to obtain a first temperature value, which is obtained by analyzing and processing using a first temperature calculation model. The first temperature calculation model is: ； In the formula, TA is the first temperature value, and ST is the sum of the temperature values ​​of the previous N times, including the current time. and These are the seventh and eighth weight parameters, respectively.

Images