Pet feeder

CN224791382UActive Publication Date: 2026-09-25NINGBO INST OF NORTHWESTERN POLYTECHNICAL UNIV
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Patent Information

Application Number
CN202522410563.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-13
Publication Date
2026-09-25
Estimated Expiration
2035-11-13

AI Technical Summary

Technical Problem

部分尝试解决湿粮保鲜问题的产品采用冰晶冷藏方式,需人工定期从冰箱取出冰晶放入喂食器,操作繁琐且依赖持续人工干预,一旦忘记更换,保鲜效果即刻失效;另一类采用半导体制冷技术的产品,虽无需频繁更换冷媒,但制冷过程中易产生冷凝水,导致设备内部潮湿,不仅增加清洁难度,还可能引发电路短路风险,且需额外设计复杂的防水结构,提升了产品成本与故障率

Benefits of technology

高效保鲜且无冷凝水:采用主动式风冷散热技术对食碗进行降温,有效延缓湿粮变质,同时从根本上避免了半导体制冷方案产生的冷凝水问题,杜绝了因内部潮湿引发的清洁困难和电路短路风险。

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of pet feeder, shell, air inlet and air outlet are respectively provided on shell;At least one food bowl, it is detachably mounted on the support frame of shell inside preset;Bowl cover, openable and closable installation is at the opening of food bowl;Air cooling module, for cooling food bowl;Control module, including the control circuit board and temperature sensor of being arranged in shell, for according to the feedback of temperature sensor and / or user instruction control air cooling module's operation;Power module, power supply for entire equipment.The utility model's advantage is that the pet feeder constructs a complete architecture integrated with "local active air cooling preservation", "intelligent control and man-machine interaction", "convenient cleaning".Condensate problem produced by semiconductor refrigeration is avoided from root by air cooling and heat dissipation, and structure is simplified.
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Description

Technical Field

[0001] This utility model relates to the field of pet feeding device technology, specifically, to a pet feeder. Background Technology

[0002] With the rapid development of the social economy and the continuous improvement of residents' living standards, pets have become important members of many families, and their dietary health and feeding convenience are receiving increasing attention. In the pet food industry, wet food (such as canned food, freshly packaged food, and homemade fresh food) has gradually become the mainstream choice for pet-owning families due to its advantages of high moisture content, good palatability, complete nutrient retention, and being closer to the natural diet of pets.

[0003] However, the high moisture content of wet food makes it extremely susceptible to the growth of bacteria, mold, and other microorganisms at room temperature, especially during hot seasons like summer, where it can spoil in just a few hours. Spoiled wet food not only loses its original nutrients and flavor but can also cause digestive problems such as vomiting and diarrhea in pets, seriously threatening their health.

[0004] In the current pet feeder market, most products are designed for dry food storage and feeding, lacking efficient solutions specifically for wet food preservation. Some products attempting to address wet food preservation use ice crystal refrigeration, requiring manual periodic removal of ice crystals from the refrigerator and placement into the feeder. This process is cumbersome and relies on continuous human intervention; if the ice crystals are forgotten, the preservation effect immediately fails. Another type of product uses semiconductor refrigeration technology, which eliminates the need for frequent refrigerant replacements, but condensation is easily generated during the refrigeration process, leading to internal dampness. This not only increases cleaning difficulty but may also pose a risk of short circuits. Furthermore, it requires an additional complex waterproof structure, increasing product cost and failure rate.

[0005] Therefore, the market urgently needs a wet food pet feeder that is simple in structure, easy to clean, has a stable preservation effect, and is highly intelligent, in order to solve many shortcomings of existing technologies and meet the actual needs of pet-owning families. Utility Model Content

[0006] This invention aims to address the technical problems of existing wet food feeders, such as easy spoilage, complicated operation, condensation, and difficulty in cleaning. To overcome the shortcomings of the prior art, this invention provides a technology that achieves efficient preservation of wet pet food, waterless condensation, simple structure, and ease of daily cleaning and maintenance through active air cooling technology.

[0007] To achieve the purpose of this utility model, the following technical solution is adopted: A pet feeder includes: a housing with an air inlet and an air outlet, a bowl groove for placing a food bowl on the top surface of the housing, and an installation cavity located below the bowl groove inside the housing; at least one food bowl, detachably installed in the bowl groove, for holding wet pet food; a bowl lid, openable and closable, installed at the opening of the food bowl, forming a relatively sealed storage space with the food bowl; a cooling module disposed within the installation cavity, with its air inlet connected to the air inlet and its air outlet connected to the air outlet, for cooling the food bowl; a control module including a control circuit board and a temperature sensor disposed within the installation cavity, the control circuit board being electrically connected to the cooling module and the temperature sensor respectively, for controlling the operation of the cooling module based on feedback from the temperature sensor and / or user commands; and a power module electrically connected to the control circuit board to power the entire device. This pet feeder constructs a complete architecture for a wet food feeder integrating "local active air cooling preservation," "intelligent control and human-computer interaction," and "easy cleaning." By adopting the "air-cooled heat dissipation" technology, the condensation problem caused by semiconductor refrigeration is avoided at the source, and the structure is simplified; the "detachable food bowl" and the "sealed space formed by the bowl lid" solve the problems of cleaning convenience and improved preservation efficiency, respectively; and the "control module" and "display screen" realize the intelligence and status visualization of the equipment.

[0008] Preferably, the air-cooled heat dissipation module includes a heat-conducting substrate, at least one heat-conducting pipe, a heat dissipation fin assembly, and a fan. The heat-conducting substrate is in close contact with the bottom of the food bowl. One end of the heat-conducting pipe is connected to the heat-conducting substrate, and the other end is connected to the heat dissipation fin assembly. The fan is positioned opposite the heat dissipation fin assembly. The fan's inlet is connected to the air inlet, and the fan's outlet is connected to the air outlet. The fan's operation drives airflow through the heat dissipation fin assembly and carries heat away from the air outlet. This air-cooled heat dissipation module provides an efficient and reliable thermal management solution that combines passive conduction and active heat dissipation. The heat-conducting substrate ensures efficient heat capture from the food bowl, the heat-conducting pipe enables rapid heat transfer from a confined space to an open space, and the heat dissipation fin assembly greatly increases the heat dissipation area. Combined with the forced convection of the fan, this achieves rapid, uniform, and efficient continuous cooling of the food bowl, thus ensuring the preservation of wet food.

[0009] Preferably, a dust filter is detachably connected to the air inlet. This dust filter ensures the long-term stable and efficient operation of the cooling system. It effectively prevents pet hair and dust from entering the device, avoiding blockage of the air ducts and adhesion to the cooling fins, thus maintaining cooling efficiency. The clearly defined forced convection air ducts ensure a clear airflow path with low resistance, high cooling efficiency, and help to quickly expel heat from the device, preventing hot air from accumulating inside.

[0010] Preferably, the outer shell is composed of an upper shell and a lower shell joined together. The bowl-shaped groove is positioned with its opening facing upwards on the top surface of the upper shell, and a mounting cavity for installing the air-cooling heat dissipation module and control module is formed between the upper and lower shells. The air inlet is located on the side of the upper or lower shell, and the air outlet is located on the bottom surface of the lower shell. Multiple feet are installed on the bottom of the lower shell, ensuring a vertical distance between the air outlet and the placement surface to guarantee unobstructed airflow. The splicing structure achieves modularity, ease of production and assembly, and optimizes overall heat dissipation performance and stability. The split outer shell facilitates the installation and maintenance of internal components; the clearly defined bowl-shaped groove structure facilitates precise positioning and fixation of the bowl; the raised foot design ensures that the bottom air outlet is not blocked, guaranteeing unobstructed ultimate outlet of the heat dissipation duct, which is a key structural guarantee for maintaining the effective operation of the entire air-cooling system.

[0011] Preferably, the detachable connection structure of the food bowl is any one of a snap-fit ​​structure, a threaded connection structure, or a plug-in structure. These various detachable connection structures provide users with a quick, effortless, and reliable way to assemble and disassemble the food bowl, greatly improving the daily use and maintenance experience.

[0012] Preferably, two feeding bowls are provided, arranged side-by-side inside the outer casing. Each feeding bowl is equipped with an independent lid and a separate air-cooling module. The two feeding bowls enhance the functionality and practicality of the device. They can simultaneously store different types of food or separate dry and wet feed to meet diverse feeding needs. The independent lids and cooling modules allow the two feeding bowls to operate independently without interference, and users can flexibly use one or both as needed, effectively saving energy.

[0013] Preferably, the two bowl lids are rotatably connected to the outer shell via a pivot and positioned above the corresponding bowls, allowing for independent opening and closing. This pivot structure enables users to open and close the lids independently, balancing the convenience of both batch and targeted operations, resulting in a better user experience.

[0014] Preferably, the control circuit board integrates a main control MCU, a fan drive circuit, and a power management IC. The main control MCU dynamically adjusts the fan speed based on temperature data monitored by the temperature sensor. The fan drive circuit is electrically connected to the fan and controls its start / stop and speed adjustment. The power management IC is electrically connected to the power module and is used for charging management and power distribution. This control circuit board enables precise, intelligent control and efficient energy management of the device. Dynamic fan speed adjustment based on temperature feedback significantly reduces unnecessary energy consumption and operating noise while ensuring preservation effects, achieving a balance between effectiveness, quiet operation, and energy saving. The dedicated power management IC ensures charging safety and optimizes overall energy consumption.

[0015] Preferably, the device also includes a display screen disposed on the surface of the housing and electrically connected to the control circuit board. This display screen displays device operating status information and receives user operation commands. The display screen is an OLED or LCD display screen, integrating a touch layer for receiving user input. The information displayed includes one or more of the following: operating mode selection commands, timer setting commands, and heat dissipation module start / stop commands. The display screen provides an intuitive, convenient, and highly integrated human-computer interaction experience. The touchscreen combines input and display, simplifying the housing structure design and improving product aesthetics and operational intuitiveness. Clear status displays allow users to monitor device operation at any time, enhancing their sense of control and trust in the product.

[0016] Preferably, the control module supports multiple operating modes, including a timer mode and an intelligent temperature control mode. In timer mode, the control circuit board controls the operation of the air-cooled heat dissipation module according to the user-set duration, and automatically shuts down after the set duration. In intelligent temperature control mode, the control circuit board automatically adjusts the operation of the air-cooled heat dissipation module based on temperature data collected by the temperature sensor. These multiple modes provide users with flexible, convenient, and intelligent preservation strategy options. The timer mode meets users' needs for predictable preservation time, avoiding over-preservation and energy waste; the intelligent temperature control mode adapts to changes in ambient temperature and food condition, achieving "on-demand preservation," further improving energy efficiency while ensuring effectiveness, thus combining intelligence and user-friendliness.

[0017] The advantages of this utility model are: Highly efficient preservation without condensation: The active air-cooling technology cools the food bowl, effectively delaying the spoilage of wet food. At the same time, it fundamentally avoids the condensation problem caused by semiconductor cooling solutions, eliminating cleaning difficulties and the risk of short circuits caused by internal moisture.

[0018] Simple structure and easy to clean: The overall structure is rationally designed, with the outer shell serving as the air duct carrier, resulting in a high degree of integration. The feeding bowl can be quickly disassembled, facilitating thorough rinsing and disinfection by the user, meeting daily feeding hygiene requirements.

[0019] High level of intelligence and excellent user experience: By integrating a temperature sensor and a main control MCU, it achieves automatic control based on temperature feedback (intelligent mode) and flexible control by user timing (timer mode), which is energy-saving and efficient. The touch screen provides an intuitive human-machine interface, allowing users to easily set parameters and monitor the equipment status in real time.

[0020] Stable and reliable operation: The optimized forced convection air duct design, combined with dustproof nets and raised feet, ensures unobstructed airflow, high heat dissipation efficiency, and effectively prevents pet hair and dust from entering, ensuring long-term stable operation of the equipment.

[0021] Practical and flexible in function: The dual-bowl independent design, combined with the linked bowl lid, can meet the needs of storing different foods at the same time or feeding separately, and the two bowls can work independently, which improves the practicality and flexibility of the equipment. Attached Figure Description

[0022] Figure 1 is a structural schematic diagram of the top of the pet feeder of this utility model. Figure 2 is a structural schematic diagram of the bottom of the pet feeder of this utility model. Figure 3 is a perspective view of the pet feeder of this utility model. Figure 4 is a structural schematic diagram of the interior of the pet feeder of this utility model. Figure 5 is a plan view of the air-cooled heat dissipation module of this utility model.

[0023] Explanation of reference numerals in the attached figures: 1. Outer shell; 101. Upper shell; 102. Lower shell; 11. Air inlet; 12. Air outlet; 13. Bowl groove; 14. Mounting cavity; 15. Feet; 16. Dustproof mesh; 2. Bowl; 21. Shaft; 3. Bowl lid; 4. Air-cooled heat dissipation module; 41. Thermal conductive substrate; 42. Heat conduction pipe; 43. Heat dissipation fin assembly; 44. Fan; 5. Control circuit board; 51. Main control MCU; 52. Fan drive circuit; 53. Power management IC; 6. Temperature sensor; 7. Display screen; 71. Touch layer; 8. Power module. Detailed Implementation

[0024] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of this application and are not intended to limit the scope of protection of the embodiments of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0025] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0026] In the embodiments of this application, unless otherwise expressly 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," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates 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 indicates that the first feature is at a lower horizontal level than the second feature.

[0027] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0028] like Figures 1 to 5 As shown, a pet feeder includes a shell 1, two food bowls 2 arranged side by side and symmetrically distributed, bowl lids 3 respectively mounted on the two food bowls 2, a fan-cooled heat dissipation module 4, a control module, a display screen 7, and a power module 8; the specific structure is as follows: like Figures 1 to 5As shown, the outer shell 1 is constructed from an upper shell 101 and a lower shell 102 made of ABS engineering plastic, which are joined together by a snap-fit ​​structure for easy assembly and maintenance. Each of the left and right sides of the upper shell 101 has a long, narrow air inlet 11. Each air inlet 11 has a removable and washable nylon dust filter 16 inserted into its inner side to filter pet hair and dust from the air intake, protecting the internal air-cooled heat dissipation module 4. In this embodiment, the detachable structure is achieved by providing a slot for vertically inserting the dust filter 16 at either the upper shell 101 or the lower shell 102. The dust filter 16 is then fixed to the outer shell 1 after the upper shell 101 and lower shell 102 are joined together. An air outlet 12 is provided in the center of the bottom surface of the lower housing 102, and four feet 15 are fixed to the bottom surface of the lower housing 102 by screws. The four feet 15 are located at the four corners of the lower housing 102. The feet 15 are usually made of anti-slip material such as silicone, which serves to prevent slipping and absorb shock, while ensuring sufficient vertical distance between the air outlet 12 and the placement surface to ensure unobstructed airflow. The top surface of the upper housing 101 has two parallel and symmetrically arranged bowl grooves 13 integrally formed. The bowl grooves 13 are rectangular grooves with openings facing upwards, providing stable support for the food bowls. After the upper housing 101 and the lower housing 102 are fastened together, a closed mounting cavity 14 is formed. The mounting cavity 14 is connected to the air inlet 11 and the air outlet 12, and is used to install the air-cooled heat dissipation module 4, the control module, and the power module 8. This structural design takes into account the stability of the equipment, the rationality of the airflow, and the safety of use, avoiding heat dissipation failure caused by the placement surface blocking the air outlet, and improving the adaptability of the usage scenario.

[0029] like Figure 3 and Figure 5As shown, in this embodiment, the two food bowls 2 are made of 304 stainless steel to ensure the safety of pet food. The two food bowls 2 are vertically inserted into the two bowl slots 13 via a plug-in method, supporting quick disassembly and cleaning, solving the cleaning difficulties and residue problems caused by the fixed food bowls in existing products. In specific applications, a snap-fit ​​structure can also be added to ensure the connection and stability between the food bowls 2 and the bowl slots 13. Each food bowl 2 is equipped with a PP material bowl lid 3, forming a relatively sealed space with the food bowl 2, effectively reducing the intrusion of external hot air and the loss of internal cold air, improving preservation efficiency, and also preventing dust and insects. In this embodiment, the two bowl lids 3 are hinged to the top of the upper shell 101 via a pivot 21, allowing for independent opening and closing of a single bowl lid 3 by manual operation. In specific applications, a drive motor can also be added to the structure, and the drive motor, in conjunction with a transmission chain assembly, can automatically control the opening and closing of the two bowl lids 3 via the two pivots 21, further achieving automation. The dual-feeding bowl design, along with an independent lid and a fan-cooled heat dissipation module, allows for the simultaneous storage of two different types of wet food, with individual preservation control. This design caters to the diverse dietary needs of multiple pets or a single pet, preventing contamination from mixing different wet foods. Meanwhile, the independent fan-cooled heat dissipation module 4 ensures that the preservation effect of each type of wet food remains unaffected, enhancing the product's practicality and adaptability to various scenarios.

[0030] like Figures 3 to 5As shown, the air-cooled heat dissipation module 4 is the core of the preservation function. It is installed inside the mounting cavity 14 and located below the food bowl 2. One set of air-cooled heat dissipation modules 4 is provided for each of the two food bowls 2. In this embodiment, it specifically consists of two heat-conducting substrates 41, several heat-conducting pipes 42, a shared heat dissipation fin group 43, and a shared fan 44. The heat-conducting substrates 41, heat-conducting pipes 42, and heat dissipation fin group 43 are all made of metals with high thermal conductivity (such as aluminum or copper). Each heat-conducting substrate 41 is in close contact with the bottom surface of the bowl trough 13. Since the bottom surface of the food bowl 2 is in contact with the inner wall of the bottom of the bowl trough 13, a large-area close contact is achieved between the upper part of the heat-conducting substrate 41 and the bottom of the food bowl 2, efficiently conducting the heat absorbed by the food bowl 2. Each heat-conducting substrate 41 is connected to the same heat dissipation fin group 43 through three heat-conducting pipes 42. One end of the heat-conducting pipe 42 is connected to the lower part of the heat-conducting substrate 41, and the other end of the heat-conducting pipe 42 is connected to the heat dissipation fin group 43 to achieve heat flow. The heat dissipation fin assembly 43 consists of a large number of thin and dense fins, which increase the heat dissipation area in contact with the air. A fan 44 is positioned opposite the heat dissipation fin assembly 43; the air inlet of the fan 44 is connected to the air inlet 11, and the air outlet of the fan 44 is connected to the air outlet 12. The air inlet 11, the heat-conducting substrate 41, the heat-conducting pipe 42, the heat dissipation fin assembly 43, the fan 44, and the air outlet 12 together form a forced convection cooling airflow channel. When the fan 44 is powered on and rotates, it exhausts the air inside the feeder through the bottom air outlet 12, creating a negative pressure inside the feeder. This negative pressure induces the air inlets 11 on both sides of the outer casing 1 to draw in cold air, forming a forced convection that blows across the surface of the heat dissipation fin assembly 43. This continuous airflow process continuously pumps out heat, thereby reducing the temperature of the food bowl 2 and the food inside. The specific composition and connection relationship of the air-cooled heat dissipation module 4 are clearly defined. The heat-conducting substrate 41 is in close contact with the food bowl 2 to ensure efficient heat conduction. The heat-conducting pipe 42 and the heat dissipation fin assembly 43 expand the heat dissipation area, and the fan 44 drives airflow to remove heat, forming a targeted heat dissipation path. This design avoids the condensation problem of semiconductor refrigeration, and compared with ice crystal preservation, it requires no manual intervention, significantly improving the stability and efficiency of cooling and preserving wet food, while simplifying the structure and reducing the failure rate.

[0031] like Figures 3 to 5As shown, the control module includes a control circuit board 5 and a temperature sensor 6 housed inside the housing 1. The control circuit board 5 is electrically connected to the air-cooled heat dissipation module 4 and the temperature sensor 6, respectively, and is used to control the operation of the air-cooled heat dissipation module 4 based on feedback from the temperature sensor 6 and / or user commands. A display screen 7 is mounted on the surface of the housing 1 and electrically connected to the control circuit board 5, used to display device operating status information and receive user operation commands. A power module 8 is electrically connected to the control circuit board 5 to supply power to the entire device. Specifically, the control circuit board 5 integrates a main control MCU 51, a fan drive circuit 52, and a power management IC 53. The main control MCU 51 dynamically adjusts the speed of the fan 44 based on the temperature data monitored by the temperature sensor 6. The fan drive circuit 52 is electrically connected to the fan 44 and controls the start / stop and speed adjustment of the fan 44. The power management IC 53 is electrically connected to the power module 8, which is located inside the housing 1 and connected to an external power source via a Type-C charging interface. The power management IC 53 is used for charging management and power distribution. The main control MCU 51 dynamically adjusts the fan speed 44 based on temperature data to achieve on-demand heat dissipation, balancing preservation effect and energy consumption; the fan drive circuit 52 ensures stable start-stop and speed adjustment of the fan 44; and the power management IC 53 optimizes charging and power distribution. This design improves the control precision of the equipment, avoids energy waste or insufficient preservation caused by a single speed, and ensures a stable power supply, enhancing the reliability of equipment operation.

[0032] like Figures 1 to 5 As shown, display screen 7 is an OLED display screen, driven by the internal control circuit board 5 (main control MCU 51). It is used to intuitively display key status information of the device. Display screen 7 integrates a touch layer 71 for receiving user input. The information displayed on display screen 7 includes one or more of the following: working mode selection instructions, timer setting instructions, and heat dissipation module start / stop instructions. By using the OLED display screen in conjunction with the touch layer 71, information such as working modes and timer settings can be visualized and directly operated, simplifying the structure without the need for additional buttons. The displayed information is comprehensive and the operation is intuitive, solving the problems of opaque status and complex operation in existing products. It allows users to monitor the device's operating status and the preservation of wet grains in real time, improving ease of use and controllability.

[0033] The main control MCU51 has multiple pre-installed control programs. Users can select the operating mode via the display screen 7 on the casing, including but not limited to timed mode and intelligent temperature control mode. In timed mode, the control circuit board 5 controls the operation of the air-cooled heat dissipation module 4 according to the user-set duration, and automatically stops after the set duration. In intelligent temperature control mode, the control circuit board 5 automatically adjusts the operation of the air-cooled heat dissipation module 4 based on the temperature data collected by the temperature sensor 6. The timed mode allows users to customize the preservation time to meet the needs of short-term outings; the intelligent temperature control mode automatically adjusts the speed of the fan 44 based on temperature data to achieve precise temperature control. These two modes cover different usage scenarios, avoiding energy waste caused by continuous operation, while ensuring that wet food remains fresh under different temperature conditions, thus improving the product's intelligence and flexibility.

[0034] Based on the above, a complete technical solution for a wet food preservation feeder has been constructed by integrating the outer shell 1, detachable feeding bowl 2, bowl lid 3, air-cooling heat dissipation module 4, control module, display screen 7, and power module 8 into a single structural design. The air inlet 11, air outlet 12, and feet 15 of the outer shell 1 work together to ensure smooth airflow; the air-cooling heat dissipation module 4 cools the feeding bowl 2; the control module, combined with the temperature sensor 6 and control circuit board 5, enables intelligent regulation; and the display screen 7 enhances ease of operation. This overall solution addresses the problems of existing products lacking dedicated wet food preservation functions and being cumbersome to operate, achieving the core effects of efficient wet food preservation, intelligent control, and ease of use.

[0035] The pet feeder's operating procedure is as follows: The user places wet food into two separate food bowls 2, closes the bowl lids 3, and selects the operating mode via the display screen 7. If the timer mode is selected, the device will automatically stop after 2 / 4 / 6 hours. If the smart mode is selected, the temperature sensor 6 monitors the temperature of the food bowls 2 in real time. When the temperature exceeds 25℃, the fan 44 starts and adjusts its speed according to the temperature gradient; when the temperature falls below 20℃, the fan speed decreases or the device stops. During operation, the fan 44 creates negative pressure within the mounting cavity 14. External air enters the mounting cavity 14 after being filtered through the air inlet 11, carries away heat as it flows through the heat dissipation fins 43, and is finally exhausted from the air outlet 12. The user can view the device status in real time via the display screen 7. After feeding, pressing the sides of the food bowls 2 allows for easy removal and cleaning; the dust filter 16 can be directly pulled out for rinsing.

[0036] In summary, the advantages of this utility model are: Efficiently solves the core pain points of wet food preservation: Through the air-cooled heat dissipation module 4, which consists of "heat-conducting substrate 41 - heat-conducting pipe 42 - heat dissipation fin group 43 - fan 44", combined with the forced convection air duct design, it achieves localized and precise cooling of the food bowl 2, effectively slowing down the rate of bacterial growth of wet food at room temperature (especially in hot seasons), and preventing pets from developing digestive tract diseases due to eating spoiled wet food; compared with ice crystal preservation, it does not require frequent manual replacement of refrigerant, and compared with semiconductor refrigeration, it does not produce condensation, significantly improving the stability of preservation and the reliability of the equipment.

[0037] Structural optimization enhances ease of use and safety: The food bowl 2 is made of food-grade material and features a detachable design, allowing for quick disassembly and cleaning to prevent residue buildup; the dustproof net 16 is removable and washable, protecting internal components and reducing maintenance difficulty; the feet 15 ensure unobstructed airflow and provide anti-slip and shock absorption, improving the stability of the equipment; the dual food bowls 2 and linked lid 3 design are suitable for feeding multiple pets or diverse dietary needs, balancing operational efficiency and preservation effects.

[0038] Intelligent control balances energy efficiency and adaptability: The main control MCU51, combined with the temperature sensor 6, realizes an intelligent temperature control mode, which dynamically adjusts the fan speed 44 according to the temperature to balance the preservation effect and energy consumption; the timer mode meets the needs of short-term outing scenarios, and the two modes cover different usage scenarios; the display screen 7 provides visual operation and status feedback, allowing users to keep track of the equipment's operation in real time, improving ease of use and controllability.

[0039] Simple structure and controllable cost: The overall modular design eliminates the need for complex waterproof structures, reducing product costs and failure rates; the splicing structure of the upper and lower shells facilitates assembly and maintenance; the selection of high thermal conductivity metals and general electronic components balances heat dissipation efficiency and mass production feasibility, which is conducive to market promotion and application.

[0040] In the description of the embodiments of this application, it should be noted that the terms "inner" and "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings. This is only for the convenience of description and does not indicate or imply that the device or component must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this application.

[0041] In the description of this application, the terms "one embodiment," "some embodiments," "in this embodiment," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0042] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A pet feeder, characterized in that, include: The outer shell (1) is provided with an air inlet (11) and an air outlet (12); the top surface of the outer shell (1) is provided with a bowl groove (13) for placing a food bowl (2); and an installation cavity (14) is provided inside the outer shell (1) below the bowl groove (13). At least one food bowl (2), which is detachably installed in a bowl trough (13) for holding wet pet food; The bowl lid (3) is installed in the opening of the food bowl (2) and forms a relatively closed storage space with the food bowl (2); The air-cooled heat dissipation module (4) is installed in the mounting cavity (14). The air inlet of the air-cooled heat dissipation module (4) is connected to the air inlet (11), and the air outlet of the air-cooled heat dissipation module (4) is connected to the air outlet (12), which is used to cool the food bowl (2). The control module includes a control circuit board (5) and a temperature sensor (6) disposed in the mounting cavity (14). The control circuit board (5) is electrically connected to the air-cooled heat dissipation module (4) and the temperature sensor (6) respectively, and is used to control the operation of the air-cooled heat dissipation module (4) according to the feedback of the temperature sensor (6) and / or user instructions. The power module (8) is electrically connected to the control circuit board (5) to supply power to the entire device.

2. The pet feeder according to claim 1, characterized in that, The air-cooled heat dissipation module (4) includes a heat-conducting substrate (41), at least one heat-conducting pipe (42), a heat dissipation fin group (43), and a fan (44); the heat-conducting substrate (41) is in close contact with the bottom of the bowl (2); one end of the heat-conducting pipe (42) is connected to the heat-conducting substrate (41), and the other end of the heat-conducting pipe (42) is connected to the heat dissipation fin group (43); the fan (44) is positioned in front of the heat dissipation fin group (43); the air inlet of the fan (44) is connected to the air inlet (11), and the air outlet of the fan (44) is connected to the air outlet (12). The fan (44) drives the airflow through the heat dissipation fin group (43) and carries the heat out from the air outlet (12).

3. The pet feeder according to claim 2, characterized in that, A dustproof net (16) can be detachably connected to the air inlet (11).

4. The pet feeder according to claim 1, characterized in that, The outer shell (1) is composed of an upper shell (101) and a lower shell (102). The bowl groove (13) is set on the top surface of the upper shell (101) with the opening facing upward. An installation cavity (14) for installing the air-cooled heat dissipation module (4) and the control module is formed between the upper shell (101) and the lower shell (102). The air inlet (11) is set on the side of the upper shell (101) or the lower shell (102). The air outlet (12) is set on the bottom surface of the lower shell (102). Multiple foot pads (15) are installed on the bottom of the lower shell (102). The foot pads (15) ensure that there is a vertical distance between the air outlet (12) and the placement plane to ensure smooth airflow.

5. The pet feeder according to claim 1, characterized in that, The detachable connection structure of the food bowl (2) is any one of the following: snap-fit ​​structure, threaded connection structure or insert structure.

6. The pet feeder according to claim 1 or 5, characterized in that, The number of the food bowls (2) is two, and the two food bowls (2) are arranged side by side inside the outer shell (1). Each food bowl (2) is equipped with an independent bowl lid (3) and an independent air-cooling heat dissipation module (4).

7. The pet feeder according to claim 6, characterized in that, The two bowl lids (3) are rotatably connected to the outer shell (1) via a pivot (21) and located above the corresponding food bowl (2), and the two bowl lids (3) can be opened and closed independently.

8. The pet feeder according to claim 2, characterized in that, The control circuit board (5) integrates a main control MCU (51), a fan drive circuit (52), and a power management IC (53). The main control MCU (51) dynamically adjusts the speed of the fan (44) based on the temperature data monitored by the temperature sensor (6). The fan drive circuit (52) is electrically connected to the fan (44) and controls the start and stop of the fan (44) and speed adjustment through the fan drive circuit (52). The power management IC (53) is electrically connected to the power module (8) and is used for charging management and power distribution through the power management IC (53).

9. The pet feeder according to claim 1, characterized in that, It also includes a display screen (7), which is disposed on the surface of the housing (1) and electrically connected to the control circuit board (5) for displaying device working status information and receiving user operation commands; the display screen (7) is an OLED display screen or an LCD display screen, which integrates a touch layer (71) for receiving user input; the information displayed on the display screen (7) includes one or more of the following: working mode selection command, timer setting command, and heat dissipation module start / stop command.

10. The pet feeder according to claim 1, characterized in that, The control module supports multiple working modes, including timer mode and intelligent temperature control mode. In timer mode, the control circuit board (5) controls the operation of the air-cooled heat dissipation module (4) according to the user-set duration, and automatically stops after the set duration is reached. In the intelligent temperature control mode, the control circuit board (5) automatically adjusts the operation of the air-cooled heat dissipation module (4) based on the temperature data collected by the temperature sensor (6).