Heat absorption phase change heat insulation structure and protective storage device

Abstract

The utility model provides a heat absorption phase change heat insulation structure and a protection memory, the heat absorption phase change heat insulation structure comprises a phase change material and a packaging film layer, and the phase change structure part comprises a solid base material and the phase change material; a closed containing cavity is defined by the packaging film layer, and the phase change material is arranged in the containing cavity. The protective memory provided by the utility model comprises a waterproof memory board module, more than two heat absorption phase change heat insulation structures and a heat insulation module. The heat absorption phase change heat insulation structures are assembled to form a heat absorption phase change module wrapping the periphery of the waterproof storage plate module. The heat insulation module wraps the periphery of the phase change heat absorption module. Compared with the prior art, the utility model has fewer manufacturing process flows, so that the production cost is reduced, the production efficiency is improved, and more stable and more reliable heat insulation can be realized at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of protective memory, in particular to a heat-absorbing phase-change insulation structure and a protective memory. Background Art

[0002] Protective memory is a storage device that stores vehicle driving data and video files. It features superior physical protection, such as resistance to crush, fire, and water. Even after a sudden accident such as a collision, fire, or drowning, even if the vehicle is severely damaged, the driving data and video files stored in the protective memory can still be used to analyze the cause of the accident, providing strong evidence for accident identification.

[0003] In related art, fireproofing of protective storage devices is achieved by mixing a polymeric, water-absorbing material with water to form a paste-like gel, which is then combined with thermal insulation to achieve fireproofing. Because the gel is a paste, it must be encased in a metal or other rigid material casing and sealed to prevent accidental gel loss in the event of an impact, which would degrade the device's fireproofing performance. However, this approach results in complex component designs, stringent material requirements, and a cumbersome process, resulting in low production efficiency.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention and should not be regarded as an admission or any form of suggestion that the information constitutes the prior art already known to ordinary technicians in this field. Utility Model Content

[0005] Purpose of the utility model: The technical problem to be solved by the utility model is to provide a heat-absorbing phase-change insulation structure and a protective storage device in response to the deficiencies of the existing technology, which has fewer manufacturing process flows, thereby helping to reduce production costs, improve production efficiency, and at the same time achieve more stable and reliable insulation.

[0006] In order to solve the above technical problems, the first aspect of the present invention discloses a heat-absorbing phase-change insulation structure and a protective memory, which includes:

[0007] Phase change structure part, including solid substrate and phase change material;

[0008] and a packaging film layer, wherein the packaging film layer is arranged to form a closed accommodating cavity, and the phase change structure is partially arranged in the accommodating cavity.

[0009] Specifically, the accommodating cavity is set as a vacuum cavity before the phase change.

[0010] Specifically, the packaging film layer includes a first packaging film and a second packaging film, the accommodating cavity is provided between the first packaging film and the second packaging film, and the edges of the first packaging film and the second packaging film overlap and are fused by hot pressing to form a sealed edge for sealing the accommodating cavity.

[0011] Specifically, the solid substrate is diatomaceous earth, glass wool or rock wool, and the phase change material is water, ethylene glycol or benzyl alcohol.

[0012] Specifically, the material of the packaging film layer is thermoplastic resin or aluminum-plastic film.

[0013] Specifically, the thickness of the packaging film layer ranges from 50 μm to 200 μm.

[0014] A second aspect of the present invention further provides a protection memory, comprising:

[0015] Waterproof storage board modules;

[0016] Two heat-absorbing phase-change insulation structures as described above, or two or more heat-absorbing phase-change insulation structures assembled to form a heat-absorbing phase-change module wrapped around the waterproof storage panel module;

[0017] and a heat insulation module wrapped around the periphery of the heat absorption phase change module.

[0018] Specifically, the waterproof storage board module includes:

[0019] Storage board;

[0020] a flexible cable connected to the storage board;

[0021] A flexible sealing waterproof layer is wrapped around the periphery of the storage board; a portion of the flexible cable structure is located within the waterproof layer, and a portion of the structure passes through the flexible sealing waterproof layer, the heat-absorbing phase change module, and the heat-insulating module and extends to the outside of the protective storage;

[0022] Optionally, the flexible sealing and waterproof layer is a plastic bag or a nano-coating film.

[0023] Furthermore, the protective memory also includes a shell, which is wrapped around the outside of the heat insulation module. The shell is provided with a cable opening for the flexible cable of the waterproof storage board module to pass through.

[0024] Beneficial effects:

[0025] 1. The heat-absorbing phase-change insulation structure of the present invention includes a solid substrate. The solid substrate has a fixed shape before and after the phase change, thereby avoiding the problem of the prior art paste gel easily losing when squeezed, allowing it to be encapsulated with a flexible packaging film layer, without the need to use a shell made of metal or other harder materials for encapsulation, thereby eliminating the tedious hard shell processing steps and simplifying the manufacturing process, which not only helps to reduce production costs but also helps to improve production efficiency.

[0026] 2. Since the heat-absorbing phase-change insulation structure of the present invention has a fixed shape and can serve as a protective layer for the storage plate, a soft bag or film layer can be used as a waterproof layer for the storage plate without the need for a waterproof hard shell between the heat-absorbing phase-change insulation structure and the storage plate, further simplifying the manufacturing process.

[0027] 3. In related technologies, the gel is enclosed within a rigid shell. The gas formed by its phase change upon heating is initially trapped within the shell and cannot be promptly dissipated. Only when the internal pressure of the shell increases with the amount of gas formed during the phase change, reaching a level that the shell cannot withstand and is damaged, can the gas formed during the phase change escape, causing the temperature near the shell to drop. During this process, because the gas cannot escape in time, the temperature near the sealed rigid shell can rise to over 100°C, even reaching 150°C, which is detrimental to the storage board modules to be protected. Unlike the related technologies described above, the heat-absorbing phase change insulation structure of the present invention utilizes a flexible encapsulating film layer to enclose a fixed-shaped phase change structure. When the heat-absorbing phase change insulation structure of the present invention is heated, the phase change material within the phase change structure transforms into gas, while the solid substrate maintains its shape. The gas pressure within the encapsulating film layer increases as the gas increases. When the internal pressure of the encapsulation film exceeds the pressure it can withstand, the film will crack, allowing the gas inside to escape from the cracks and promptly remove heat, keeping the temperature of the storage board module inside the heat-absorbing phase-change insulation structure at a constant temperature, such as around 100°C. This prevents damage to the storage board module and ensures stable and reliable insulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, and the above and / or other advantages of the present invention will become more apparent.

[0029] Figure 1 The present invention provides a schematic structural diagram of a protection memory according to an embodiment of the present invention.

[0030] Description of the accompanying drawings:

[0031] 100. Heat-absorbing phase-change insulation structure; 110. Phase-change structure portion; 120. Encapsulation film layer; 200. Waterproof storage board module; 210. Storage board; 220. Flexible cable; 230. Flexible sealing waterproof layer; 300. Insulation module; 400. Housing. DETAILED DESCRIPTION

[0032] In related art, fireproofing of protective storage devices is achieved by mixing a polymeric, water-absorbing material with water to form a paste-like gel, which is then combined with thermal insulation to achieve fireproofing. Because the gel is a paste, it must be enclosed and sealed in a shell made of metal or other relatively rigid materials, forming a heat-absorbing phase-change insulation structure 100. This prevents accidental gel loss, which could degrade the fireproofing performance of the protective storage device. However, this approach results in complex component designs, stringent material requirements, and a cumbersome process, resulting in low production efficiency.

[0033] Therefore, the embodiment of the present invention provides a heat-absorbing phase-change insulation structure 100 , which has a simple structure, requires fewer manufacturing processes, and has low production costs, thereby helping to improve production efficiency.

[0034] As shown in the figure, the heat-absorbing phase-change insulation structure 100 includes a phase-change structure portion 110 and an encapsulation film layer 120. The phase-change structure portion 110 includes a solid substrate and a phase-change material. The encapsulation film layer 120 encloses a closed receiving cavity, and the phase-change structure portion 110 is disposed in the receiving cavity.

[0035] Preferably, the accommodating chamber is set as a vacuum chamber before the phase change.

[0036] Specifically, the packaging film layer 120 includes a first packaging film and a second packaging film, a receiving cavity is provided between the first packaging film and the second packaging film, and the edges of the first packaging film and the second packaging film overlap and are fused by hot pressing to form a sealed edge for sealing the receiving cavity.

[0037] Specifically, the receiving cavity is evacuated during the hot pressing fusion process so as to form a vacuum cavity after sealing.

[0038] Specifically, the solid substrate may be diatomaceous earth, glass wool, rock wool or aerogel, and the phase change material may be water, ethylene glycol or benzyl alcohol.

[0039] Specifically, the material of the packaging film layer 120 is thermoplastic resin or aluminum-plastic film. The thermoplastic resin can be polyethylene terephthalate (PET) or chlorinated polypropylene (CPP).

[0040] Preferably, the thickness of the packaging film layer 120 ranges from 50 μm to 200 μm.

[0041] A second aspect of this embodiment provides a protective storage device, comprising a waterproof storage board module 200, two or more heat-absorbing phase-change insulation structures 100 as described above, and a thermal insulation module 300. These heat-absorbing phase-change insulation structures 100 are assembled to form a heat-absorbing phase-change module that surrounds the waterproof storage board module 200. The thermal insulation module 300 surrounds the heat-absorbing phase-change module.

[0042] Specifically, the waterproof storage board module 200 includes a storage board 210, a flexible cable 220 connected to the storage board 210, and a flexible sealing waterproof layer 230. The flexible sealing waterproof layer 230 wraps around the storage board 210. Part of the flexible cable 220 resides within the waterproof layer, while another portion extends through the flexible sealing waterproof layer 230, the heat-absorbing phase change module, and the thermal insulation module 300, extending to the exterior of the protected storage. The flexible sealing waterproof layer 230 is constructed of a plastic bag or nano-coating film.

[0043] Since the phase change structure portion 110 adopted in the present invention has a fixed shape before and after the phase change, the waterproof storage board module 200 can use a plastic bag or a nano-coating film as a flexible sealing waterproof layer 230, without the need to provide a waterproof shell with a fixed complex shape for accommodating the storage board 210, thereby reducing the complexity of component processing and helping to simplify the process flow.

[0044] Specifically, the flexible cable 220 may be a flat or ribbon cable, such as an FPC cable.

[0045] Specifically, the flexible cable 220 is led out from the joint gap between the two heat-absorbing phase-change insulation structures 100 , so that a portion of the flexible cable 220 passes through the heat-absorbing phase-change module.

[0046] The protective memory may further include a shell 400 , which is wrapped around the outside of the heat insulation module 300 . The shell 400 is provided with a cable opening for the flexible cable 220 of the waterproof storage board module 200 to pass through.

[0047] Next, the working principle of the heat-absorbing phase-change insulation structure 100 of the present invention during the protection process of the memory will be described in detail.

[0048] When the heat-absorbing phase-change insulation structure 100 of the present invention is heated, the phase-change material within the phase-change structure portion 110 transforms into a gas. As the gas increases, the pressure within the encapsulating film layer 120 increases. When the pressure within the encapsulating film layer 120 exceeds its maximum pressure rating, the film layer 120 cracks, allowing the gas within it to escape through the cracks and promptly remove heat. This keeps the temperature of the memory board module within the heat-absorbing phase-change insulation structure 100 constant at a constant temperature, such as around 100°C, thus preventing damage to the memory board module.

[0049] In contrast, in the related art, the gel is enclosed within a rigid casing. The gas generated by its thermal phase transition is initially trapped within the casing and cannot dissipate quickly. Only when the internal pressure of the casing increases with the amount of gas generated by the phase transition, reaching a level that damages the seal used to contain the gel, can the gas escape, lowering the temperature near the casing. During this process, the temperature near the sealed casing can rise to over 100°C, even reaching 150°C, which is detrimental to the storage module being protected.

[0050] It can be seen from this that the present invention can achieve more stable and reliable thermal insulation compared to related technologies.

[0051] This utility model provides a concept and method for a heat-absorbing phase-change insulation structure and protective memory. Numerous methods and approaches exist for implementing this technical solution. The foregoing description is merely a preferred embodiment of the present invention. It should be noted that those skilled in the art may make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications are considered within the scope of protection of the present invention. Any components not specified in this embodiment may be implemented using existing technologies.

Claims

1. A heat-absorbing phase-change insulation structure, characterized in that: include: The phase change structure part (110) includes a solid substrate and a phase change material; and a packaging film layer (120), wherein the packaging film layer (120) is arranged to form a closed accommodating cavity, and the phase change structure portion (110) is arranged in the accommodating cavity; The accommodating chamber is set as a vacuum chamber before the phase change.

2. The heat-absorbing phase-change insulation structure (100) according to claim 1, characterized in that: The packaging film layer (120) comprises a first packaging film and a second packaging film, the accommodation cavity is provided between the first packaging film and the second packaging film, and the edges of the first packaging film and the second packaging film overlap and are fused by hot pressing to form a sealing edge for sealing the accommodation cavity.

3. The heat-absorbing phase-change insulation structure according to claim 1, characterized in that: The solid substrate is diatomaceous earth, glass wool, rock wool or aerogel, and the phase change material is water, ethylene glycol or benzyl alcohol.

4. The heat-absorbing phase-change insulation structure according to claim 1, characterized in that: The material of the packaging film layer (120) is thermoplastic resin or aluminum-plastic film.

5. The heat-absorbing phase-change insulation structure according to claim 4, characterized in that: The packaging film layer (120) has a thickness ranging from 50 μm to 200 μm.

6. A protection memory, characterized in that: include: Waterproof storage board module (200); Two or more heat-absorbing phase-change insulation structures (100) according to claim 1, wherein the two or more heat-absorbing phase-change insulation structures (100) are assembled to form a heat-absorbing phase-change module wrapped around the outer periphery of the waterproof storage panel module (200); and a heat insulation module (300) wrapped around the periphery of the heat absorption phase change module.

7. The protection memory according to claim 6, wherein: The waterproof storage board module (200) comprises: Storage board (210); A flexible cable (220) connected to the storage board (210); A flexible sealing waterproof layer (230) is wrapped around the periphery of the storage board (210); part of the structure of the flexible cable (220) is located within the waterproof layer, and part of the structure passes through the flexible sealing waterproof layer (230), the heat absorption phase change module, and the heat insulation module (300) and extends to the outside of the protective memory.

8. The protection memory according to claim 7, wherein: The flexible sealing and waterproof layer (230) is a plastic bag or a nano-coating film.

9. The protection memory according to claim 7, wherein: It also includes a shell, the shell being wrapped around the outside of the heat insulation module (300), and the shell being provided with a cable outlet for allowing the flexible cable (220) of the waterproof storage plate module (200) to pass through.

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