A cold storage insulation structure

By using multi-layer composite insulation materials and a fan ventilation system, the problems of aging and uneven temperature in traditional cold storage insulation structures have been solved, achieving a highly efficient and energy-saving cold storage insulation effect, extending the service life of the cold storage and improving the quality of stored goods.

CN224302461UActive Publication Date: 2026-05-29ELITE IND (SHANGHAI) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ELITE IND (SHANGHAI) CO LTD
Filing Date
2025-04-09
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Traditional cold storage insulation structures are prone to aging and cracking, leading to loss of cold energy and a lack of optimized temperature distribution, which affects the quality of stored goods and energy consumption.

Method used

Multi-layer composite insulation materials are used, including a ventilation insulation layer, a nano-aerogel insulation layer, a vacuum insulation panel, and a polyurethane foam layer, combined with a fan ventilation system to enhance the insulation effect and maintain the low temperature environment inside the cold storage.

Benefits of technology

It significantly improves the insulation performance of cold storage, reduces cold loss and energy consumption, extends service life, maintains the internal temperature stability of cold storage, and improves the quality of stored goods.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a cold storage heat preservation structure, and relates to the technical field of cold storage, which comprises a base, a heat preservation warehouse main body is installed on the top of the base, and a heat preservation assembly is arranged on the outer peripheral surface of the heat preservation warehouse main body; the heat preservation assembly comprises a ventilation and heat insulation layer at the outermost layer; the ventilation and heat insulation layer comprises a hard plastic layer A at the innermost layer; a hole layer capable of heat insulation and ventilation is bonded to the outer side surface of the hard plastic layer A; and a hard plastic layer B is bonded to the outer side surface of the hole layer. The design of the protective layer and the ventilation and heat insulation layer effectively prolongs the service life of the heat preservation structure, reduces the maintenance cost, the air in the ventilation and heat insulation layer is accelerated to flow, the heat insulation effect is strengthened, the influence of high temperature outside on the temperature in the cold storage is reduced, and the low-temperature environment in the cold storage is better maintained.
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Description

Technical Field

[0001] This application relates to the field of cold storage technology, and in particular to a cold storage insulation structure. Background Technology

[0002] Cold storage facilities are used to store food, medicine, and other items that require low-temperature preservation. Their insulation performance directly affects the energy consumption and operational efficiency of cold storage. Traditional cold storage insulation structures typically use polyurethane foam or extruded polystyrene boards as insulation materials. Although they have a certain insulation effect, they are prone to problems such as aging and cracking of the insulation layer during long-term use, leading to loss of cold air and increased energy consumption. In addition, the insulation structure of traditional cold storage is relatively simple and lacks optimized design for the internal temperature distribution, resulting in uneven internal temperature and affecting the quality of stored items.

[0003] Against the backdrop of global warming, temperatures have been rising year by year in recent years. During the hot summer months, a continuous stream of high-temperature energy from the outside is transferred to cold storage facilities, causing a significant increase in the internal temperature and a substantial increase in the energy consumption required for cold storage. Therefore, how to provide a cold storage insulation structure that is highly efficient, energy-saving, has excellent thermal insulation performance, and a long service life has become an urgent problem to be solved by those skilled in the art. Utility Model Content

[0004] To address the issue of the relatively simple insulation structure of traditional cold storage facilities, this application provides a cold storage insulation structure.

[0005] The cold storage insulation structure provided in this application adopts the following technical solution:

[0006] A cold storage insulation structure includes a base, an insulated storage body installed on top of the base, and insulation components provided on the outer peripheral surface of the insulated storage body. The insulation components include an outermost ventilated insulation layer, an innermost rigid plastic layer A, a porous layer that can provide heat insulation and ventilation bonded to the outer side of the rigid plastic layer A, and a rigid plastic layer B bonded to the outer side of the porous layer.

[0007] By adopting the above technical solution, the ventilation and heat insulation layer in the heat insulation component, through the combination of rigid plastic layer A, a porous layer that can insulate and ventilate, and rigid plastic layer B, can effectively block external heat from entering the main body of the heat insulation warehouse. At the same time, the porous layer enables ventilation, further improving the heat insulation effect. This helps to maintain the low temperature environment inside the main body of the heat insulation warehouse and reduce the impact of high external temperature on its internal temperature.

[0008] Preferably, a fan is fixedly installed on one side of the top of the base, and an air inlet pipe is fixedly connected to the air outlet of the fan. One end of the air inlet pipe is connected to the internal space of the ventilation and heat insulation layer, and air outlets are symmetrically opened on the side of the ventilation and heat insulation layer away from the fan.

[0009] By adopting the above technical solution, the airflow generated by the fan is continuously input into the internal space of the ventilation and heat insulation layer through the air inlet pipe fixedly connected to its air outlet. The ventilation and heat insulation layer has symmetrical air outlets on the side away from the fan. The airflow blown in by the fan flows in the ventilation and heat insulation layer and is discharged from the air outlet, thereby accelerating the air circulation in the ventilation and heat insulation layer, enhancing the heat insulation effect, reducing the impact of high external temperature on the internal temperature of the cold storage, and better maintaining the low temperature environment inside the cold storage.

[0010] Preferably, the insulation component further includes an innermost insulation layer, which includes a nano-aerogel insulation layer whose inner surface is bonded to the main body of the insulation chamber.

[0011] By adopting the above technical solution, the insulation layer of the insulation component can greatly enhance the insulation performance of the cold storage. From the inside to the outside, it consists of a nano-aerogel insulation layer that is tightly bonded to the main body of the cold storage. The excellent thermal insulation performance of the nano-aerogel can effectively block heat conduction, ensure a stable low-temperature environment inside the cold storage, and reduce refrigeration energy consumption.

[0012] Preferably, a vacuum insulation board is bonded to the outer side of the nano-aerogel insulation layer, and a polyurethane foam layer is bonded to the outer side of the vacuum insulation board.

[0013] By adopting the above technical solutions, the vacuum insulation panel has excellent thermal insulation performance, further enhancing the heat preservation effect. The polyurethane foam layer provides good mechanical strength and waterproof performance. The three together constitute the insulation layer, which comprehensively protects the cold storage from the high external environment, stably maintaining the internal low temperature, reducing refrigeration energy consumption, and protecting the cold storage structure and extending its service life.

[0014] Preferably, the insulation layer also includes a protective layer, and the main body of the insulated warehouse is made of high-strength waterproof and moisture-proof materials.

[0015] By adopting the above technical solutions, the main body of the insulated warehouse is made of high-strength waterproof and moisture-proof materials, which can effectively prevent the intrusion of external moisture and humidity. Combined with the protective layer in the insulation layer, it can prevent the insulation layer from losing its insulation performance due to moisture, greatly extend the service life of the insulation layer, and thus ensure that the cold storage can play an efficient insulation role for a long time and stably, reducing the loss of cold air and the increase in energy consumption caused by damage to the insulation layer.

[0016] Preferably, the insulation layer also includes a temperature regulating layer made of phase change material PCM, which can absorb or release heat according to the temperature changes inside the cold storage, maintain the stability of the temperature inside the cold storage, and reduce temperature fluctuations.

[0017] By adopting the above technical solution, the temperature regulating layer in the insulation layer is made of phase change material PCM, which can sensitively sense the temperature changes inside the cold storage. It absorbs heat when the temperature rises and releases heat when the temperature drops. Combined with the high-strength waterproof and moisture-proof materials used in the main body of the cold storage and other structures in the insulation layer, it effectively maintains the stability of the internal temperature of the cold storage, reduces temperature fluctuations, extends the service life of the insulation layer, reduces cold loss and energy consumption, and comprehensively ensures the efficient operation of the cold storage.

[0018] Preferably, a connecting block is provided at the connection between the ventilation and heat insulation layers, and the connecting block connects the internal cavity between the two ventilation and heat insulation layers.

[0019] By adopting the above technical solution, the connecting block set at the connection of the ventilation and heat insulation layer connects the internal cavities of adjacent ventilation and heat insulation layers, so that the airflow between each ventilation and heat insulation layer can be interconnected, forming a smoother ventilation path, enhancing the overall ventilation effect, improving the heat insulation capacity, helping to maintain a stable low temperature environment inside the cold storage, and reducing the impact of high external temperatures on the cold storage.

[0020] Preferably, the top four corners of the ventilation and heat insulation layer are provided with fixing blocks for fixing the connecting blocks. The top of the fixing blocks is connected to the ventilation and heat insulation layer by studs. An insulated door is fixedly installed on the front of the main body of the insulated warehouse.

[0021] By adopting the above technical solution, the fixing blocks set at the four corners of the top of the ventilation and heat insulation layer are connected to the ventilation and heat insulation layer by studs, so as to achieve a stable installation of the connecting blocks, ensure smooth communication between the internal cavities of adjacent ventilation and heat insulation layers, and guarantee the stability of the ventilation and heat insulation effect.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. The design of the protective layer and the ventilation insulation layer effectively extends the service life of the insulation structure and reduces maintenance costs. At the same time, the ventilation insulation layer enhances the insulation effect by accelerating the air circulation within the insulation layer, reducing the impact of high external temperatures on the internal temperature of the cold storage and better maintaining the low-temperature environment inside the cold storage.

[0024] 2. By combining multiple layers of composite insulation materials, the insulation performance of the cold storage is significantly improved, cold loss is reduced, and energy consumption is lowered.

[0025] 3. Novel insulation materials such as nano-aerogel and vacuum insulation panels are used, which have extremely low thermal conductivity, further enhancing the insulation effect.

[0026] 4. The temperature regulation layer design can effectively reduce temperature fluctuations inside the cold storage, maintain temperature stability, and improve the quality of stored goods. Attached Figure Description

[0027] Figure 1 This is a top view of the overall structure of this application document;

[0028] Figure 2 This is a cross-sectional structural diagram of the thermal insulation component in this application.

[0029] Figure 3 This is a schematic diagram of the air outlet structure in this application document;

[0030] Figure 4 This is a schematic diagram of the overall connection structure of the thermal insulation component in this application.

[0031] Figure 5 This is a schematic diagram of the overall structure of the insulation layer in this application.

[0032] Figure 6 This is a structural diagram of the ventilation and heat insulation layer, the connecting block, and the fixing block in this application.

[0033] Attached reference numerals: 1. Base; 2. Main body of the insulated warehouse;

[0034] 3. Thermal insulation components; 301, thermal insulation layer; 3010, nano-aerogel thermal insulation layer; 3011, vacuum insulation panel; 3012, polyurethane foam layer; 302, protective layer; 303, temperature regulating layer; 304, ventilation and thermal insulation layer; 3040, rigid plastic layer A; 3041, porous layer; 3042, rigid plastic layer B; 305, connecting block; 306, fixing block; 3060, stud;

[0035] 4. Insulated door; 5. Fan; 6. Air inlet pipe; 7. Air outlet. Detailed Implementation

[0036] The following is in conjunction with the appendix Figure 1 - Figure 6 This application will be described in further detail.

[0037] The device's "up, down, left, right" perspectives are... Figure 1 The orientation of the attached diagram is the reference.

[0038] This application discloses a cold storage insulation structure.

[0039] Reference Figure 1 , Figure 3 , Figure 6As shown, a cold storage insulation structure includes a base 1, an insulated storage body 2 mounted on top of the base 1, and insulation components 3 mounted on all five sides of the insulated storage body 2. The insulation components 3 include an outermost ventilated heat insulation layer 304, an innermost rigid plastic layer A3040, a perforated layer 3041 bonded to the outer side of the rigid plastic layer A3040, the perforated layer 3041 having the functions of heat insulation and ventilation, and a rigid plastic layer B3042 for shaping the perforated layer 3041 bonded to the outer side of the perforated layer 3041. The top side of the base 1 is fixedly connected to the mounting base of a fan 5. One end of an air inlet pipe 6 is fixedly connected to the exhaust port of the fan 5 by bolts. The other end of the air inlet pipe 6 communicates with the internal space of the ventilated heat insulation layer 304. The side of the ventilated heat insulation layer 304 away from the fan 5 has symmetrically opened air outlets 7 for accelerating internal air circulation.

[0040] After the fan 5 is powered on and started, it blows air into the interior space of the ventilation and heat insulation layer 304 through the air inlet pipe 6. The ventilation and heat insulation layer 304 consists of a rigid plastic layer A3040 bonded to the main body 2 of the insulated warehouse, a porous layer 3041 with heat insulation and ventilation functions, and a rigid plastic layer B3042 for shaping. The air entering the ventilation and heat insulation layer 304 flows in the porous layer 3041, using its ventilation function to accelerate air circulation. At the same time, with the help of the heat insulation properties of the porous layer 3041 and the rigid plastic layer, the rate at which external heat is transferred to the main body 2 of the insulated warehouse is reduced. Finally, the air is discharged from the air outlet 7, forming a continuous ventilation cycle, thereby reducing the impact of high external temperature on the internal temperature of the main body 2 of the insulated warehouse and maintaining the low temperature environment of the cold storage.

[0041] It should be noted that the connection method of the fan 5, the connecting wires and the control equipment is existing and mature technology, so the specific connection relationship will not be described in detail. It can be used by installing the existing connection assembly.

[0042] Reference Figure 1 , Figure 3 , Figure 6 As shown, connecting blocks 305 for connecting the internal cavities of the two perforated layers 304 are fixedly installed at the connection points between the ventilation and heat insulation layers 304. Fixing blocks 306 are installed at the four corners of the top of the ventilation and heat insulation layers 304. The fixing blocks 306 are used to fix the connecting blocks 305. The top of the fixing blocks 306 has a round hole, and the round hole is connected to the ventilation and heat insulation layers 304 through studs 3060. A heat insulation door 4 is fixedly installed at the lower center of the front of the heat insulation warehouse body 2.

[0043] Each ventilation and heat insulation layer 304 is connected by a connecting block 305, allowing the internal cavities of adjacent perforated layers 3041 to be interconnected, enhancing the continuity of airflow. The fixing blocks 306 at the four corners of the top are connected to the ventilation and heat insulation layers 304 by studs 3060, firmly fixing the connecting blocks 305 and ensuring the stability of the ventilation channel. When air flows within the ventilation and heat insulation layers 304, the ventilation and heat insulation functions of the perforated layers 3041 are used to accelerate air circulation and block external heat, finally exhausting from the air outlet 7. At the same time, the heat-insulating door 4 on the front of the base 1 can reduce the loss of cold air inside the warehouse when personnel enter and exit.

[0044] Reference Figure 2 , Figure 4 , Figure 5 As shown, the insulation component 3 also includes an innermost insulation layer 301 bonded to the outer surface of the insulation chamber body 2. The insulation layer 301 comprises a nano-aerogel insulation layer 3010, a vacuum insulation panel 3011, and a polyurethane foam layer 3012. The nano-aerogel insulation layer 3010 is bonded to the insulation chamber body 2, the outer surface of the nano-aerogel insulation layer 3010 is bonded to the vacuum insulation panel 3011, and the outer surface of the vacuum insulation panel 3011 is bonded to the polyurethane foam layer 3012. The nano-aerogel insulation layer 3010 material has extremely low thermal conductivity, effectively reducing cold loss. The vacuum insulation panel 3011... With excellent thermal insulation performance, the polyurethane foam layer 3012 provides good mechanical strength and waterproof performance. The insulation layer 301 also includes a protective layer 302. The main body 2 of the insulated warehouse is made of high-strength waterproof and moisture-proof material, which can effectively prevent external moisture and humidity from entering the insulation layer 301 and extend the service life of the insulation layer 301. The insulation layer 301 also includes a temperature regulating layer 303, which is made of phase change material PCM. It can absorb or release heat according to the temperature change inside the cold storage, maintain the stability of the temperature inside the cold storage, and reduce temperature fluctuations.

[0045] In this embodiment, the vacuum insulation panel 3011 is physically sealed between the nano-aerogel insulation layer 3010 and the polyurethane foam layer 3012 by adhesive bonding, and the polyurethane foam layer 3012 is located inside the ventilation insulation layer 304.

[0046] In the insulation layer 301 of the insulation component 3, the nano-aerogel insulation layer 3010 reduces cold loss due to its extremely low thermal conductivity, the vacuum insulation board 3011 further enhances the insulation, the polyurethane foam layer 3012 provides mechanical strength and waterproofness, the protective layer 302 works in conjunction with the insulation warehouse body 2 which is made of high-strength waterproof and moisture-proof materials to prevent external moisture from entering the insulation layer 301, and the phase change material PCM in the temperature regulating layer 303 absorbs or releases heat according to the temperature change inside the cold warehouse to reduce temperature fluctuations.

[0047] The implementation principle of a cold storage insulation structure in this application embodiment is as follows: During hot summer weather, after powering on the fan 5, air is blown into the ventilation and insulation layer 304 through the air inlet pipe 6. The air flows within the porous layer 3041, accelerating air circulation through its ventilation function. Simultaneously, the insulation properties of the porous layer 3041 and the hard plastic layer reduce the rate at which external heat enters the main body 2 of the insulated storage. Air is discharged from the air outlet 7, forming a ventilation cycle. Each ventilation and insulation layer 304 is connected by a connecting block 305, allowing the internal cavities of adjacent porous layers 3041 to be interconnected. The fixed block... Studs 306 and 3060 securely connect block 305, ensuring stable ventilation channels. In insulation layer 301, nano-aerogel insulation layer 3010 reduces cold loss due to its low thermal conductivity. Vacuum insulation board 3011 enhances the insulation effect. Polyurethane foam layer 3012 provides mechanical strength and waterproofness. Protective layer 302 works in conjunction with the main body 2 of the insulated warehouse, which uses high-strength waterproof and moisture-proof materials, to prevent moisture from entering insulation layer 301. The phase change material PCM in temperature regulating layer 303 can absorb or release heat according to temperature changes inside the cold warehouse, reducing temperature fluctuations.

[0048] The above are merely optional embodiments of this disclosure and are not intended to limit this disclosure. Various modifications and variations can be made to this disclosure by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the scope of protection of this disclosure.

Claims

1. A cold storage insulation structure, characterized in that: The device includes a base (1), on which a thermal insulation chamber body (2) is mounted. A thermal insulation component (3) is provided on the outer peripheral surface of the thermal insulation chamber body (2). The thermal insulation component (3) includes an outermost ventilated heat insulation layer (304) and an innermost thermal insulation layer (301). The thermal insulation layer (301) includes a nano-aerogel thermal insulation layer (3010) with its inner side bonded to the thermal insulation chamber body (2). A vacuum insulation board (3011) is bonded to the outer side of the nano-aerogel thermal insulation layer (3010). A polyurethane foam layer (3012) is bonded to the outer side of the vacuum insulation board (3011). The thermal insulation layer (301) also includes a temperature regulating layer (303) made of phase change material PCM. The ventilation and heat insulation layer (304) includes an innermost hard plastic layer A (3040), the outer surface of which is bonded with a porous layer (3041) that can provide heat insulation and ventilation, and the outer surface of the porous layer (3041) is bonded with a hard plastic layer B (3042).

2. The cold storage insulation structure according to claim 1, characterized in that: A fan (5) is fixedly installed on one side of the top of the base (1). An air inlet pipe (6) is fixedly connected to the air outlet of the fan (5). One end of the air inlet pipe (6) is connected to the internal space of the ventilation and heat insulation layer (304). An air outlet (7) is symmetrically opened on the side of the ventilation and heat insulation layer (304) away from the fan (5).

3. The cold storage insulation structure according to claim 1, characterized in that: The insulation layer (301) also includes a protective layer (302), and the main body (2) of the insulated warehouse is made of high-strength waterproof and moisture-proof materials.

4. The cold storage insulation structure according to claim 1, characterized in that: A connecting block (305) is provided at the connection between the ventilation and heat insulation layers (304), and the connecting block (305) connects the internal cavity between the two ventilation and heat insulation layers (304).

5. A cold storage insulation structure according to claim 4, characterized in that: The top four corners of the ventilation and heat insulation layer (304) are provided with fixing blocks (306) for fixing the connecting block (305). The top of the fixing block (306) is connected to the ventilation and heat insulation layer (304) by studs (3060). The front of the heat-insulating warehouse body (2) is fixedly installed with a heat-insulating door (4).