Electronic product cooling protective shell

Abstract

The electronic product cooling protection shell is suitable for electronic products such as mobile phones which are used for a long time or in a high-load state, and the problem that the electronic products are overheated is solved. The protective shell is composed of a protective shell body, a waterproof breathable layer and an outer shell layer, and the efficient, all-weather and low-cost cooling effect is achieved through structural design and material selection. The protective shell main body comprises an interlayer, a joint structure and an extension structure, forms a containing cavity to be tightly attached to an electronic product shell, and is provided with a step structure for bearing the waterproof breathable layer and storing cooling liquid. The waterproof breathable layer is made of an efficient waterproof breathable material, and liquid permeation is prevented while gas circulation is ensured. Various through holes are designed in the surface of the outer shell layer to optimize gas permeability, and the outer shell layer is tightly packaged with the protective shell main body, so that the protective shell has attractive appearance and reinforcing effects. According to the electronic product cooling protection shell, the use safety and stability of the electronic product are improved, and more comfortable use experience is provided for a user.

Description

Technical Field

[0001] This application relates to the field of electronic product accessories technology, and in particular to a cooling and protective shell for electronic products. Background Technology

[0002] Consumer electronics have become an indispensable part of people's daily lives and work. With the continuous advancement of technology, users' demands for the performance of electronic products are increasing day by day. This has directly promoted the application of high-power chips and efficient data processing technologies, but it has also brought significant side effects—a sharp rise in device temperature. High temperatures can not only lead to a decrease in device performance, such as phone lag and automatic frequency reduction, but in severe cases, it may even cause overheating shutdown, shorten product lifespan, or even cause damage.

[0003] To address this challenge, the industry has explored and implemented various cooling technologies. Large-area VC liquid cooling, vapor chambers, and graphene sheets, among other high thermal conductivity materials, have begun to be used. These technologies efficiently transfer heat from heat sources such as chips to the outside of the product, achieving convection cooling and effectively alleviating overheating issues. While some protective cases with cooling functions have emerged, they often have limitations. Active cooling cases, although able to reduce temperature to some extent, increase the energy consumption of electronic products, shorten battery life, and generate heat during the energy dissipation process. Passive cooling solutions such as hydrogels face problems such as high cost, limited cooling effect, short duration, and limited usage conditions (requiring a low-temperature environment to reabsorb moisture), making it difficult to meet consumers' needs for long-lasting, convenient, and economical cooling.

[0004] For consumers, a key challenge is how to effectively protect their electronic devices from daily wear and tear and accidental drops while simultaneously providing convenient cooling. Therefore, there is a need to develop a mobile phone cooling casing technology that is both effective in cooling and provides good protection, while also being easy to use and cost-effective. Utility Model Content

[0005] The purpose of this application is to provide a cooling protective case for electronic products, which can efficiently and cost-effectively cool electronic products to meet the needs of long-term or high-load use. The cooling protective case for electronic products of this application includes a protective case body, a water-proof and breathable layer, and an outer shell layer.

[0006] The protective shell body includes a partition, a bonding structure, and an extension structure. The bonding structure is disposed on the front side of the partition, and the partition and the bonding structure form a receiving cavity for fitting and wrapping electronic products. The extension structure is disposed on the back side of the partition.

[0007] The water-proof and breathable layer is disposed in the epitaxial structure, and the partition, the epitaxial structure and the water-proof and breathable layer form a liquid storage cavity;

[0008] The outer shell layer is disposed on the surface of the waterproof and breathable layer on the other side opposite to the liquid storage cavity;

[0009] The outer shell layer includes through holes.

[0010] In one embodiment, the thickness of the liquid storage cavity is in the range of 1-10 mm.

[0011] In one embodiment, the extensional structure further includes an injection hole and a plug, the injection hole being connected to the liquid storage cavity, and the plug being used to seal the injection hole.

[0012] In one embodiment, the diameter of the injection hole is in the range of 0.5-1.5mm, the plug has a structure with a round top and a round bottom, and the diameter of the round part is greater than or equal to the diameter of the injection hole. Alternatively, the plug can be sealed by a countersunk screw-style rotary sealing method, or the plug can be statically sealed using a fixed rubber material.

[0013] In one embodiment, the waterproof and breathable layer is attached to the epitaxial structure by an adhesive.

[0014] In one embodiment, the outer shell layer is sealed and fixed to the waterproof and breathable layer and the epitaxial structure around the perimeter by an organic adhesive.

[0015] In one embodiment, the waterproof and breathable layer includes a core layer and an outer layer, the outer layer being formed on the core layer, the core layer being a meltblown fabric layer or an expanded polytetrafluoroethylene (ePTFE) material layer, and the outer layer being a nonwoven fabric layer.

[0016] In one embodiment, the outer layer comprises two layers, respectively formed on both sides of the core layer.

[0017] In one embodiment, the through holes are arranged in an array.

[0018] In one embodiment, the diameter of the through hole is in the range of 0.5-1.5 mm, and the spacing between the through holes is in the range of 1.5-2.5 mm.

[0019] Compared with the prior art, this application has the following beneficial effects: The cooling protective shell for electronic products includes a protective shell body, a water-proof and breathable layer and an outer shell layer. By combining the built-in liquid storage cavity with the water-proof and breathable layer, the heat on the surface of the electronic product is effectively absorbed and removed by utilizing the principle of heat absorption by liquid evaporation. The through-hole design of the outer shell layer further enhances air circulation and accelerates the evaporation process, achieving a highly efficient and long-lasting cooling effect.

[0020] The cooling protective shell of this application features low cost and easy maintenance. It uses common polymer materials as the main body, reducing production costs. The liquid storage chamber design allows users to easily add or replace the cooling liquid without requiring specialized tools or techniques, reducing maintenance and time costs. The outer shell layer protects the waterproof and breathable layer and further enhances heat dissipation through diverse perforation designs on the surface (such as strip holes and patterned holes), while also increasing the product's aesthetics and personalization. 3D printing technology can be used to process breathable metals with a honeycomb structure, such as breathable steel, ensuring moisture permeability, and the combination of these solutions is not limited to...

[0021] Furthermore, the cooling protective case of this application can be used as a standalone device, either by attaching it to a regular phone case or by inserting it into a recessed space. By significantly reducing the temperature of electronic products under high load, this application effectively avoids problems such as performance degradation, lag, or even shutdown caused by overheating, thus improving the user experience. At the same time, its lightweight design and comfortable grip also make it more convenient and comfortable for users in daily use. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall back structure of the electronic product cooling protective shell according to an embodiment of this application;

[0023] Figure 2 This is a schematic diagram of the overall front structure of the electronic product cooling protective case according to an embodiment of this application;

[0024] Figure 3 This is an exploded structural diagram of the electronic product cooling protective shell according to an embodiment of this application;

[0025] Figure 4 This is a cross-sectional structural diagram of the electronic product cooling protective shell according to an embodiment of this application;

[0026] Figure 5 This is a cross-sectional structural diagram of an electronic product cooling protective shell including a liquid injection hole, according to an embodiment of this application.

[0027] Figure 6 This is a schematic diagram of the structure of the plug in the cooling protective shell of the electronic product according to an embodiment of this application;

[0028] Figure 7 This is a schematic diagram of the outer shell layer in the cooling protective shell of the electronic product according to an embodiment of this application.

[0029] Explanation of reference numerals in the attached drawings: 100, main body of protective shell; 110, partition layer; 120, joint structure; 130, extension structure; 140, injection hole; 150, plug; 200, water-proof and breathable layer; 300, outer shell layer. Detailed Implementation

[0030] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of this application. Furthermore, it should be noted that, for ease of description, only the parts relevant to this application are shown in the accompanying drawings, not the entire structure. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this application.

[0031] The terms “comprising” and “having”, and any variations thereof, used in this application are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not limited to the steps or units listed, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to such process, method, product, or apparatus.

[0032] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0033] With the continuous advancement of technology and the increasing richness of functions, high power consumption has become an issue that cannot be ignored. During prolonged use or high-load tasks, electronic products such as mobile phones often experience rapid temperature increases due to internal heat buildup. This not only leads to a decline in device performance, such as phone lag and automatic frequency reduction, but may also trigger overheat protection mechanisms, affecting normal use. In more serious cases, it may even shorten product lifespan and pose safety hazards. To solve this problem, the industry has continuously explored and implemented various cooling technologies, from traditional passive heat dissipation to innovative active heat dissipation solutions. While ensuring cooling effectiveness, these technologies must also consider factors such as cost, convenience, and safety. The technical solution provided in this application can effectively alleviate the stress of using electronic products in high-temperature environments. The following sections will detail the basic structure, working principle, technical advantages, and practical application effects of this cooling protective case for electronic products. Please refer to [link / reference]. Figures 1 to 4 As shown, the electronic product cooling protective case in a preferred embodiment of this application is suitable for the cooling needs of electronic products (especially mobile phones) under long-term or high-load use. It is an efficient, all-weather, and low-cost cooling solution, specifically including a protective case body 100, a water-proof and breathable layer 200, and an outer shell layer 300.

[0034] The protective shell body 100 includes a partition 110, a bonding structure 120, and an extension structure 130. The bonding structure 120 is disposed on the front side of the partition 110. The partition 110 and the bonding structure 120 form a receiving cavity for fitting and wrapping electronic products. The extension structure 130 is disposed around the back side of the partition 110. The front side is used to wrap and fit the electronic product, while the back side is designed with different height structures to form the extension structure 130. Steps of a certain height (e.g., 1-10mm) are set around the perimeter. The main purpose of these steps is to support the waterproof and breathable layer 200 and form an independent space with the recessed area for storing cooling liquid. The depth of this independent space is preferably 1-10mm. Too thin a space will reduce the cooling time, while too thick a space will result in an excessively large product size, thus reducing the user experience. The steps can also be designed with concave grooves to meet the effect of nested encapsulation of the upper functional layers. The protective shell body 100 can use common polymer materials such as PC, PMMA, ABS, PC+ABS, silicone, etc.

[0035] The water-proof and breathable layer 200 is disposed in the epitaxial structure 130. The partition layer 110, the epitaxial structure 130, and the water-proof and breathable layer 200 form a liquid storage cavity. The water-proof and breathable layer 200 is made of a material that allows air and water vapor molecules to pass through while simultaneously acting as a barrier to liquids (such as water). The water-proof and breathable layer 200 is adhered to the steps around the shell using a high-viscosity adhesive to seal the space below. The water-proof and breathable layer 200 is typically made of EPTFE, PP meltblown nonwoven fabric, TPU film, etc. Because the waterproof and breathable layer 200 is relatively thin and has low strength, a composite structure is adopted in a further solution. For example, non-woven fabric can be thermally bonded or adhesively bonded to the waterproof and breathable layer 200 to form a double or triple composite structure. In a typical triple composite structure, the waterproof and breathable membrane is in the middle layer. Other materials can also be used, such as hydrogel, to combine with the waterproof and breathable layer 200. Similarly, materials with dense open-pore structures, such as PC, PMMA, and PC+ABS, can be used to combine with the waterproof and breathable layer 200.

[0036] The outer shell layer 300 is disposed on the surface of the waterproof and breathable layer 200 opposite to the liquid storage cavity, and includes through holes. It is made of a relatively thick material (not limited to organic, inorganic, or metallic materials), preferably 1 mm or more, and has openings on its surface to ensure sufficient permeability for gas and to protect and support the waterproof and breathable layer 200. The surface openings are not limited to round holes, nor are the mesh size limited. Various patterns can be created to ensure both aesthetics and effectiveness in evaporative cooling, such as strip-shaped through holes or various different patterned through holes. The outer shell layer 300 is encapsulated with the four sides of the shell, providing both reinforcement and aesthetic appeal.

[0037] When electronic products (such as smartphones) generate heat during high-speed operation or prolonged use, this heat is first rapidly conducted to the surface of the phone's casing through built-in high-efficiency thermally conductive materials. The tight fit between the phone casing and the protective case forms a highly efficient heat conduction interface. Based on the theory of saturated vapor pressure of gases, the saturated vapor pressure of the specific liquid filling the casing increases significantly with rising temperature. When the liquid inside the phone casing is heated by the heat dissipated by the phone, the liquid surface becomes active, continuously undergoing a liquid-gas phase transition. During this process, liquid molecules absorb heat and transform into gaseous molecules, which then escape through the diffusion of tiny pores within the casing or a specially designed permeable layer, thus achieving effective heat transfer and release. Furthermore, to further enhance the cooling effect, liquids with highly efficient heat absorption and evaporation properties can be used, and a sophisticated liquid storage and circulation system (such as microchannels or capillary structures) can be designed to ensure that the liquid is evenly distributed within the phone casing and maintains close contact with the heat source. This design not only improves heat absorption efficiency but also continuously carries heat away from the phone case through a constant liquid-gas phase change cycle, effectively cooling the electronic product. Another important aspect is that electronic products may not generate heat uniformly across the entire surface, but rather in localized areas. This application utilizes the liquid in the reservoir to evenly distribute heat across the entire surface, thereby improving heat dissipation efficiency. This process requires no additional energy and can utilize the entire back surface for heat dissipation.

[0038] Specifically, the thickness of the liquid storage chamber is in the range of 1-10 mm. This thickness range is selected based on a comprehensive consideration of material strength, fluid dynamics characteristics, heat transfer efficiency, processing costs, and equipment compactness. A thickness range of 1-10 mm ensures sufficient structural strength for the liquid storage chamber in most application scenarios, preventing rupture or leakage due to excessive pressure or accidental impact, thereby improving the safety and durability of the equipment. Appropriate thickness helps optimize fluid flow characteristics; an excessively thin liquid storage chamber may lead to excessive pressure drop or turbulence during fluid flow, while an excessively thick liquid storage chamber may increase unnecessary weight and volume, affecting the overall efficiency and space utilization of the equipment. A thickness range of 1-10 mm effectively balances these factors, achieving smooth and efficient fluid flow.

[0039] The above structure is a specific illustration, which may further include matching structures for the device structures on the back of electronic products. For example, in mobile phone applications, corresponding openings are made to expose the camera. The technical solution of this application does not provide a detailed structural explanation, but those skilled in the art know how to set up the corresponding matching structures.

[0040] Please refer to further information. Figure 5-6 The extended structure 130 also includes an injection hole 140 and a plug 150. The injection hole 140 communicates with the liquid storage chamber, and the plug 150 is used to seal the injection hole 140. The injection hole 140 serves as a connecting channel, directly penetrating the extended structure 130 and communicating with the internal liquid storage chamber, allowing fluid to be injected into the liquid storage chamber efficiently and accurately. The plug 150 is tightly installed on the injection hole 140 to prevent fluid from leaking or evaporating from the injection hole 140 when not needed, ensuring the sealing of the liquid storage chamber and the purity of the fluid.

[0041] Specifically, the diameter of the injection hole 140 is in the range of 0.5-1.5mm, and the plug 150 has a structure with a rounded top and a rounded bottom, the diameter of which is greater than or equal to the diameter of the injection hole 140. An injection hole 140 is designed at the top of the independent space (on the shorter sidewall). The shape of the injection hole 140 can be arbitrary, and its size can be designed according to the depth of the space. Generally, the size of the injection hole 140 is smaller than the depth, allowing for liquid filling using various methods such as syringes or pipettes. Even the entire phone case can be immersed in the liquid for self-filling. To ensure the airtightness of the liquid in the independent space, a plug 150 device is designed to seal the injection port. The plug 150 has a relatively large operating position at its top for easy manual operation. This operating position should ideally be larger than the sealing position, and its shape is not limited; it can be any shape. The plug 150 can be made of plastics such as PC or ABS, or metals such as stainless steel, aluminum alloy, or titanium alloy, as long as it ensures an effective seal. Alternatively, the plug 150 can be sealed using a countersunk screw-style rotary seal, or the plug 150 can be sealed using a fixed rubber material for static sealing. The rotary seal facilitates assembly, while the fixed rubber material for static sealing is similar to the air inlet of a basketball or soccer ball. In actual use, a needle can be used for injection.

[0042] Specifically, the waterproof and breathable layer is connected to the epitaxial structure 130 via an adhesive, ensuring a tight fit between the two. This balances structural integrity with functional implementation. The adhesive, as the connecting medium, must be selected considering factors such as compatibility, adhesion, and weather resistance of the waterproof and breathable layer material and the epitaxial structure 130 material to ensure long-term stability and reliability. The adhesive tightly connects the waterproof and breathable layer to the epitaxial structure 130, effectively preventing loosening or detachment due to gaps, thus enhancing the stability and durability of the entire structure. This robust connection helps maintain the functionality of the waterproof and breathable layer, ensuring excellent water-blocking and breathable performance in various environments. The application of the adhesive improves the sealing performance between the waterproof and breathable layer and the epitaxial structure 130. The adhesive forms a continuous, non-porous adhesive layer, effectively preventing moisture from seeping in through the joints. This excellent sealing performance plays a crucial role in protecting internal liquid storage chambers or sensitive components from moisture damage.

[0043] Specifically, the outer shell layer 300 is sealed and fixed to the waterproof and breathable layer 200 and the extension structure 130 around its perimeter using an organic adhesive. The organic adhesive can be any material capable of sealing and fixing, requiring it to fix each layer relatively and to provide a good seal at the fixing points. Hot melt adhesive can be selected. The high-strength adhesive effect of hot melt adhesive makes the outer shell layer 300, the waterproof and breathable layer 200 and the extension structure 130 form a whole. The continuous sealing layer formed by the hot melt adhesive around the perimeter effectively blocks the entry and exit of internal and external moisture at this location. The specific manufacturing process is relatively simple and can achieve the sealing and fixing requirements at low cost.

[0044] Specifically, the water-resistant and breathable layer 200 includes a core layer and an outer layer, with the outer layer formed on the core layer. The core layer is a meltblown fabric layer or a bulked material layer, and the outer layer is a nonwoven fabric layer. The combination of meltblown fabric or bulked material and nonwoven fabric forms a structurally complementary water-resistant and breathable layer 200. The meltblown fabric or bulked material provides a gas permeation path but blocks liquid passage, while the nonwoven fabric ensures good support, so that the water-resistant and breathable layer 200 has both water-resistant and breathable effects, as well as corresponding structural strength.

[0045] To improve the strength of the water-proof and breathable layer 200, the water-proof and breathable layer 200 specifically includes two outer layers, respectively formed on both sides of the core layer. The outer layers mainly serve to strengthen the structure. By being placed on both sides of the core layer, a better structural strength distribution is achieved, thereby improving the overall strength and reliability. Regarding the specific materials, commonly used materials can be selected, such as expanded polytetrafluoroethylene (ePTFE) as the core layer. By adjusting the parameters in the material production process, it can achieve water-proof and breathable effects. Those skilled in the art will understand that any material obtainable by the above-described specific manufacturing method, as long as it has water-proof and breathable properties, can be used as the core layer of this application; this application will not elaborate further here.

[0046] Please refer to further information. Figure 7 , Figure 7 This is a schematic diagram of the outer shell layer 300 in the cooling protective shell of an electronic product according to an embodiment of this application. Specifically, the through holes are arranged in an array. The distribution and mesh count of the through holes are also unrestricted and can be precisely controlled according to the specific usage environment and performance requirements to achieve optimal gas permeation balance and structural stability.

[0047] By optimizing the through holes and the hole spacing, the diameter of the through holes is in the range of 0.5-1.5mm, and the hole spacing is in the range of 1.5-2.5mm. Within the above range, better heat dissipation effect is achieved.

[0048] The electronic product cooling protective case of this application can be used as a standalone device, attached to a regular mobile phone case, or inserted into a recessed space. Different accessories can be configured for different usage scenarios, such as configuring an independent adhesive layer to attach the electronic product cooling protective case of this application to a regular mobile phone case.

[0049] The technical solution of this application will be specifically described below with reference to a specific implementation method.

[0050] The protective shell body 100 is made of PC+ABS material. The joining structure 120 has a shape that fully covers the phone's dimensions. The outer extension structure 130 is 5mm long and 2mm wide. A φ1mm round through hole is machined at the top as a liquid injection hole 140. The water-proof and breathable layer 200 uses meltblown fabric (N95), with non-woven fabric on the top and bottom. The meltblown fabric and non-woven fabric are fixed together by thermal bonding to form a sandwich structure. The outer shell layer 300 is made of PC+ABS resin material with a thickness of 2mm. A uniform honeycomb structure with φ1mm holes and 2mm spacing is uniformly machined on the surface. The plug 150 is made of aluminum alloy, with a top-rounded and bottom-rounded structure. The round part has a diameter of 1mm, and the square part is 2*4mm. The liquid medium injected into the liquid storage chamber is water.

[0051] The waterproof and breathable layer 200 is fixed to the steps of the joining structure 120 using high-viscosity hot melt adhesive. The outer shell layer 300 is located outside the waterproof and breathable layer 200 and is sealed and fixed to the outer edges of the protective shell body 100 and the outer edge of the waterproof and breathable layer 200 2mm from all four sides using hot melt adhesive. Performance verification: At a room temperature of 40°C, a temperature reduction of 8.1°C can be achieved. The higher the temperature, the more significant the cooling effect, indicating that the technical solution of this application can achieve efficient and low-cost cooling of electronic products.

[0052] As described above, this electronic product cooling protective case is designed to address the overheating problem of mobile phones and other electronic products under prolonged use or high load conditions, providing an efficient, all-weather, and low-cost cooling solution. The protective case integrates three core components: the main body, the waterproof and breathable layer, and the outer shell layer. Through innovative structural design and material selection, it achieves comprehensive protection and efficient cooling for electronic products.

[0053] The protective shell body employs a combination of partitions, bonding structures, and extensional structures. The partitions and bonding structures together form a tightly fitting cavity for the electronic product, ensuring a stable connection between the protective shell and the electronic device. The extensional structure supports the waterproof and breathable layer, providing a storage space for cooling liquids through its independent space. The depth of this space is optimized to ensure optimal cooling performance while maintaining structural strength. The waterproof and breathable layer, as a key functional layer, is located within this independent space and utilizes materials with highly efficient water-blocking and breathable properties, such as EPTFE and PP meltblown nonwoven fabric, effectively preventing liquid penetration while ensuring free gas flow. To further enhance the strength and durability of the waterproof and breathable layer, this application also employs a composite structural design, such as thermally bonding or adhesively bonding the nonwoven fabric to the waterproof and breathable layer to form a more robust double- or triple-layer structure.

[0054] As the external barrier of the protective shell, the outer shell layer not only serves as a waterproof and breathable layer but also achieves good gas permeability through its surface perforation design. The outer shell layer is made of thick and diverse materials, including organic, inorganic, and metallic materials, with a thickness preferably exceeding 1mm to ensure sufficient structural strength and durability. The perforation design is ingenious, not limited to circles but can be designed into various patterns to meet different needs, making it both aesthetically pleasing and practical. The outer shell layer and the main body of the protective shell are sealed together on all four sides using high-strength adhesives such as hot melt adhesive, which reinforces the overall structure and enhances the product's appearance.

[0055] When electronic products generate heat during high-speed operation or prolonged use, the built-in high-efficiency thermally conductive material rapidly conducts the heat to the surface of the phone's casing. At this point, the liquid inside the protective case begins to exert its unique cooling effect. Based on the theory of saturated vapor pressure of gases, as the temperature rises, the surface activity of the liquid increases, and liquid molecules continuously transform into gas molecules and escape through the pores, thereby achieving effective heat transfer and release. The electronic product cooling protective case of this application boasts a unique design, highly efficient cooling performance, and broad application prospects.

[0056] The above is only one specific implementation of this application, and any other improvements made based on the concept of this application shall be considered within the scope of protection of this application.

Claims

1. A cooling and protective case for electronic products, characterized in that, Includes a protective shell body (100), a water-proof and breathable layer (200), and an outer shell layer (300); The protective shell body (100) includes a partition (110), a joining structure (120), and an extension structure (130). The joining structure (120) is disposed on the front side of the partition (110), and the partition (110) and the joining structure (120) form a receiving cavity. The extension structure (130) is disposed around the back side of the partition (110). The water-proof and breathable layer (200) is disposed in the extensional structure (130), and the partition (110), the extensional structure (130) and the water-proof and breathable layer (200) form a liquid storage cavity; The outer shell layer (300) is disposed on the opposite surface of the water-proof and breathable layer (200) to the liquid storage cavity; The outer shell layer (300) includes through holes.

2. The electronic product cooling protective case according to claim 1, characterized in that, The thickness of the liquid storage chamber is in the range of 1-10 mm.

3. The electronic product cooling protective case according to claim 1, characterized in that, The extension structure (130) also includes an injection hole (140) and a plug (150). The injection hole (140) is connected to the liquid storage cavity, and the plug (150) is used to seal the injection hole (140).

4. The electronic product cooling protective case according to claim 3, characterized in that, The diameter of the injection hole (140) is in the range of 0.5-1.5 mm; The plug (150) has a structure with a top and bottom circle, and the diameter of the circular part is greater than or equal to the diameter of the injection hole (140). Alternatively, the plug (150) can be sealed by a countersunk screw-style rotary sealing method, or the plug (150) can be statically sealed using a fixed rubber material.

5. The electronic product cooling protective case according to claim 1, characterized in that, The waterproof and breathable layer (200) is connected to the epitaxial structure (130) by an adhesive.

6. The electronic product cooling protective case according to claim 5, characterized in that, The outer shell layer (300) is sealed and fixed around the water-proof and breathable layer (200) and the epitaxial structure (130) by an organic adhesive.

7. The electronic product cooling protective case according to claim 1, characterized in that, The waterproof and breathable layer (200) includes a core layer and an outer layer, the outer layer being formed on the core layer, the core layer being a meltblown fabric layer or an expanded material layer, and the outer layer being a nonwoven fabric layer.

8. The electronic product cooling protective case according to claim 7, characterized in that, It includes two outer layers, which are formed on both sides of the core layer.

9. The electronic product cooling protective case according to claim 1, characterized in that, The through holes are arranged in an array.

10. The electronic product cooling protective case according to claim 9, characterized in that, The diameter of the through hole is in the range of 0.5-1.5mm, and the spacing between the through holes is in the range of 1.5-2.5mm.

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