An auxiliary heat dissipation device for an energy-saving battery swapping cabinet

Abstract

This invention discloses an auxiliary heat dissipation device for an energy-saving battery swapping cabinet, comprising a cylindrical battery swapping cabinet body with a central cavity at its central axis. A charger is installed at the upper part of the battery swapping cabinet body, and a lower ventilation structure is installed at the lower part of the battery swapping cabinet body for bottom-to-top airflow within the central cavity. The lower ventilation structure creates an upward airflow within the central cavity, which, combined with a spiral wind-guided structure, causes the airflow to rise in a spiral shape, increasing the contact area and time with the battery compartment and other heat-generating components, thus fully absorbing heat. The semiconductor cooler cools the air rising from the central cavity, lowering its temperature and creating a "cold at the top" state. This, together with the "hot at the bottom" state created by the lower ventilation structure, promotes air convection within the entire battery swapping cabinet, improving heat dissipation efficiency.

Description

Technical Field

[0001] This invention relates to the field of battery swapping cabinet technology, and more specifically to an auxiliary heat dissipation device for an energy-saving battery swapping cabinet. Background Technology

[0002] Battery swapping cabinets, as key facilities for power storage and distribution, undertake the important tasks of battery storage, charging, and rapid replacement. Their internal structure is complex, containing multiple battery compartments for battery placement, as well as core components such as chargers. During daily operation, the batteries continuously charge and discharge, releasing a significant amount of heat. Simultaneously, the chargers also generate considerable heat during operation.

[0003] A method for maintaining a constant temperature in a battery swapping cabinet, disclosed in announcement number CN115158059B, belongs to the field of battery swapping cabinet technology. This method employs a device for maintaining a constant temperature in the battery swapping cabinet. This device includes a PLC control motherboard, temperature sensors, a PWM algorithm speed control system, a fan, water-cooled heat dissipation components, and a semiconductor refrigeration chip. Several temperature sensors are evenly distributed around the inside of the battery swapping cabinet. From a heat dissipation principle perspective, this method focuses on achieving constant temperature heat dissipation through precise temperature control, exhibiting strong adaptability to changes in ambient temperature. However, this method is relatively complex in its structural design, requiring the placement of numerous temperature sensors, a complex control system, and various heat dissipation and cooling devices. This not only increases the manufacturing cost of the battery swapping cabinet but may also increase the difficulty of later maintenance due to the large number of devices.

[0004] A multi-channel heat dissipation system and method for a battery swapping cabinet, disclosed in CN118017084A, includes a housing, a back plate and a front panel fixedly provided on both sides of the housing, a plurality of placement spaces provided inside the housing, and a placement box fixedly provided in each placement space for installing batteries; a plurality of air outlets are fixedly provided on the housing.

[0005] However, traditional battery swapping cabinets rely on limited cooling methods, such as simple natural ventilation or basic fan cooling, which have very limited efficiency. This leads to a significant accumulation of heat inside the cabinet, making it difficult to dissipate quickly and effectively. Over time, excessively high temperatures can severely impact battery performance, accelerating capacity degradation and drastically shortening battery life. More seriously, high-temperature environments can also pose safety risks, such as battery overheating and fire. Therefore, developing a highly efficient and energy-saving auxiliary cooling device for battery swapping cabinets has become an urgent need to solve the current heat dissipation problem and ensure their stable and reliable operation. Summary of the Invention

[0006] (a) Technical problems to be solved

[0007] The purpose of this invention is to provide an auxiliary heat dissipation device for an energy-saving battery swapping cabinet in order to solve the above-mentioned problems.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, the present invention provides the following technical solution:

[0010] The present invention provides an auxiliary heat dissipation device for an energy-saving battery swapping cabinet, comprising a battery swapping cabinet body in the shape of a cylinder, a central cavity being provided at the central axis of the battery swapping cabinet body, a charger being provided at the upper part of the battery swapping cabinet body, and a bottom ventilation structure being provided at the lower part of the battery swapping cabinet body for supplying air from bottom to top within the central cavity.

[0011] The outer side of the battery swapping cabinet is provided with several sets of first battery insertion slots and several sets of second battery insertion slots intersecting along its axial direction. The first battery insertion slots and the second battery insertion slots are all connected to the central cavity.

[0012] A semiconductor cooler is provided between the charger and the upper air outlet of the central cavity;

[0013] The central cavity is equipped with a spiral wind-guiding structure that can guide the air supply spiral.

[0014] Furthermore, each group of first battery compartments is provided with three or more battery compartments evenly distributed at equal angles with the central cavity as the center, and each group of second battery compartments is provided with three or more battery compartments evenly distributed at equal angles with the central cavity as the center, and adjacent groups of first battery compartments and groups of second battery compartments are arranged to cross each other with the central cavity as the center.

[0015] Furthermore, a heat dissipation groove is provided on the outer side of the battery swapping cabinet for being adjacent to the first battery insertion slot and the second battery insertion slot. Each heat dissipation groove is provided with several evenly distributed first heat dissipation fins. A first vent hole is provided between two adjacent first heat dissipation fins to enable communication between the heat dissipation groove and the central cavity.

[0016] Furthermore, the spiral wind-guided structure includes a central shaft located at the central axis of the central cavity. Four or more spiral guide ribs are fixedly arranged on the outer side of the central shaft, evenly distributed around its axis. The upper end of the central shaft is fixedly connected to the inner wall of the central cavity through two or more hangers.

[0017] Furthermore, each first battery compartment and each second battery compartment has a second vent hole extending vertically through the central cavity on the side near the center cavity, and the second vent hole is connected to the central cavity.

[0018] Furthermore, the lower ventilation structure includes a lower mounting cavity opened in the lower part of the battery swapping cabinet. The lower mounting cavity is provided with a first cooling fan for blowing air upward toward the central cavity and for blowing the air in the central cavity into the heat dissipation groove through the first vent. The bottom outer wall of the battery swapping cabinet is provided with a number of evenly distributed fifth vents, and a filter screen is provided at the fifth vent.

[0019] Furthermore, the upper part of the battery swapping cabinet has an upper mounting cavity, and an inner container is fitted inside the upper mounting cavity. The inner container is provided with a support rod for supporting the charger. The inner container is provided with a second cooling fan for blowing air toward the charger. The top side of the inner container is provided with a top cover, and the top cover has a third vent for communicating between the inside and outside of the inner container. The semiconductor cooler is located on the bottom side of the inner container.

[0020] Furthermore, an airflow channel is formed between the inner wall of the upper mounting cavity and the outer wall of the inner container. Several second heat dissipation fins are evenly distributed on the bottom side wall of the inner container. The second heat dissipation fins are connected to the semiconductor cooler. Several fourth vent holes are opened on the upper side wall of the battery swapping cabinet to realize the airflow channel and the outside.

[0021] Furthermore, the outer edge of the top cover protrudes beyond the outer side of the battery swapping cabinet, and several evenly distributed indicator lights are provided on the lower side of the outer edge of the top cover.

[0022] Furthermore, it also includes a temperature sensor for real-time temperature monitoring. The temperature sensor is installed in each of the first and second battery compartments. The temperature sensor is electrically connected to the first cooling fan, the second cooling fan, and the thermoelectric cooler, and automatically adjusts the operating status of the heat dissipation equipment based on the temperature monitoring data.

[0023] (III) Beneficial Effects

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0025] 1. The downward ventilation structure creates an upward airflow in the central cavity, which, combined with the spiral wind-guided structure, causes the airflow to rise in a spiral shape. This increases the contact area and time with the battery compartment and other heat-generating components, allowing for full heat absorption. The semiconductor cooler cools the air rising from the central cavity, lowering its temperature and creating a "cold at the top" state. This, together with the "hot at the bottom" state created by the downward ventilation structure, promotes air convection between the cold at the top and the hot at the bottom throughout the battery swapping cabinet, improving heat dissipation efficiency.

[0026] 2. The first and second battery insertion slots are connected to the central cavity through the second vent. The heat dissipation grooves, the first heat dissipation fins and the first vent work together to quickly dissipate the heat from the battery. For the charger, the cold air cooled by the semiconductor cooler, together with the second cooling fan, as well as the upper mounting cavity, inner container and other related structures, achieves efficient heat dissipation of the charger and comprehensively improves the heat dissipation performance of the battery swapping cabinet.

[0027] 3. The first and second battery insertion slots are evenly distributed at equal angles around the central cavity and are arranged to cross each other. This not only ensures the symmetry and stability of the battery swapping cabinet structure, but also optimizes the use of the space around the cabinet, increases the number of batteries that can be accommodated, and strengthens the air convection path during the heat dissipation process, making the heat dissipation more balanced and efficient.

[0028] 4. Temperature sensors in the first and second battery compartments can monitor the temperature in real time and automatically adjust the operation of the first cooling fan, the second cooling fan, and the semiconductor cooler based on the monitoring data. When the temperature rises, the operating intensity of the heat dissipation equipment is increased to ensure the heat dissipation effect; when the temperature drops to a suitable range, the operating intensity is reduced to achieve the purpose of energy saving and precise heat dissipation, effectively reducing energy consumption. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0031] Figure 2 This is the present invention. Figure 1 A schematic diagram of the three-dimensional structure in the first direction;

[0032] Figure 3 This is the present invention. Figure 1 A schematic diagram of the AA cross-sectional structure;

[0033] Figure 4 This is the present invention. Figure 3 A magnified schematic diagram of the structure at point B;

[0034] Figure 5 This is the present invention. Figure 3 A magnified schematic diagram of the structure at point C;

[0035] Figure 6 This is the present invention. Figure 1A schematic diagram of the second-direction three-dimensional structure.

[0036] The reference numerals in the attached drawings are explained as follows: 1. Battery swapping cabinet; 101. Heat dissipation groove; 102. First heat dissipation fin; 103. First vent; 104. Top cover; 105. Central cavity; 106. Lower mounting cavity; 107. Bottom support column; 108. Upper mounting cavity; 109. Inner container; 110. Second vent; 111. Third vent; 112. Fourth vent; 113. Indicator light; 114. Second heat dissipation fin; 2. First battery insertion slot; 3. Second battery insertion slot; 4. Indicator mark; 5. Lower ventilation structure; 501. First cooling fan; 502. Fifth vent; 503. Filter screen; 6. Spiral airflow guiding structure; 601. Central shaft; 602. Spiral guide rib; 603. Hanging rod; 7. Charger; 701. Support rod; 8. Second cooling fan; 9. Semiconductor cooler. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be described in detail below. Obviously, the described embodiments are merely some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0038] See Figures 1-6As shown, the present invention provides an auxiliary heat dissipation device for an energy-saving battery swapping cabinet, including a battery swapping cabinet body 1 with a cylindrical shape. A central cavity 105 is provided at the central axis of the battery swapping cabinet body 1, providing a channel for air flow and serving as the key spatial basis for realizing air convection heat dissipation. A charger 7 is provided at the upper part of the battery swapping cabinet body 1, and a lower ventilation structure 5 is provided at the lower part of the battery swapping cabinet body 1 for sending air from bottom to top in the central cavity 105. This creates the upward flow of air. During the flow of this upward airflow in the central cavity 105, it absorbs the heat from the surrounding battery compartments and other components, causing the air temperature below to rise, thus creating a "bottom heating" state. The outer side of the battery swapping cabinet 1 is provided with several sets of first battery insertion slots 2 and several sets of second battery insertion slots 3 arranged crisscrossingly along its axial direction. Both the first battery insertion slots 2 and the second battery insertion slots 3 are connected to the central cavity 105, allowing heat exchange between the air inside the central cavity 105 and the battery insertion slots, thus removing the heat generated by the batteries. A semiconductor cooler 9 is installed between the charger 7 and the upper air outlet of the central cavity 105. During operation, it generates heat, which is dissipated by cool air in conjunction with the semiconductor cooler 9 and the second cooling fan 8. After being cooled by the semiconductor cooler 9, the cool air cools the charger 7, absorbing the heat generated by the charger 7. The hot air is then discharged through the third vent 111 on the inner container 109, thereby achieving heat dissipation for the charger 7. A spiral airflow guiding structure 6 is installed inside the central cavity 105 to guide the airflow spirally. The heat generated by the battery operating in the battery compartment is transferred to the surrounding air. Meanwhile, air flowing upwards from the central cavity 105 enters the battery compartment through the second vent 110, mixing with the hot air surrounding the battery and carrying away heat, thus dissipating heat from the battery compartment. Simultaneously, this further increases the air temperature within the central cavity 105, enhancing the "bottom heating" effect. The semiconductor cooler 9 cools the air rising from the central cavity 105, lowering its temperature and creating a "top cooling" state. The cooled air enters the inner container 109, dissipating heat from the charger 7, while the hot air is exhausted through the corresponding vents. The cooling effect of the semiconductor cooler 9, combined with the "bottom heating" state created by the lower ventilation structure 5, promotes air convection with a cooler top and a hotter bottom throughout the battery swapping cabinet, improving heat dissipation efficiency.

[0039] See instruction manual attached Figure 2As shown, each group of first battery compartments 2 has three or more batteries evenly distributed at equal angles around the central cavity 105, and each group of second battery compartments 3 has three or more batteries evenly distributed at equal angles around the central cavity 105. This allows the batteries to be evenly distributed on the outside of the battery swapping cabinet 1. On the one hand, this ensures the symmetry and stability of the battery swapping cabinet 1 structure and avoids uneven stress on the cabinet due to the batteries being concentrated on one side. On the other hand, from a heat dissipation perspective, the evenly distributed batteries at equal angles allow the rising hot air in the central cavity 105 to exchange heat more evenly with the batteries in each of the first battery compartments 2. The simultaneous heat dissipation of multiple first battery compartments 2 and second battery compartments 3 increases the heat dissipation area and improves heat dissipation efficiency.

[0040] The first set of battery compartments 2 and the second set of battery compartments 3 are arranged in a staggered pattern around the central cavity 105. This staggered arrangement further optimizes the battery layout on the outside of the battery swapping cabinet 1. From a space utilization perspective, it avoids the concentrated accumulation of battery compartments on the outside of the cabinet, making more rational use of the space around the cabinet and increasing the number of batteries that can be accommodated. During heat dissipation, the staggered arrangement makes the airflow between different sets of battery compartments more complex and efficient. When the hot air rising in the central cavity 105 passes through different sets of battery compartments, the staggered arrangement creates more diverse convection paths. The hot air moving between different compartments can more fully absorb the heat generated by the batteries, enhancing the heat dissipation effect and making the heat dissipation of the entire battery swapping cabinet 1 more balanced and efficient.

[0041] See instruction manual attached Figure 1 and Figure 3 As shown, a heat dissipation groove 101 is provided on the outer side of the battery swapping cabinet 1 for placement adjacent to the first battery compartment 2 and the second battery compartment 3. Its position is close to the battery compartment, allowing it to directly receive the heat dissipated by the battery during operation. Due to its proximity to the battery's heat source, the heat dissipation groove 101 can quickly transfer the heat generated by the battery into its own structure, providing a foundation for subsequent heat dissipation steps, greatly shortening the heat transfer path, and improving the timeliness of heat dissipation.

[0042] Each heat dissipation groove 101 is provided with several evenly distributed first heat dissipation fins 102, which significantly increases the heat dissipation area of ​​the heat dissipation groove 101. According to the principle of heat transfer, the larger the heat dissipation area, the faster the heat dissipation rate under the same temperature difference. When the heat generated by the battery is transferred to the heat dissipation groove 101, the first heat dissipation fins 102 can quickly disperse the heat into the surrounding air, accelerate the dissipation of heat from the battery swapping cabinet 1 to the external environment, and effectively reduce the temperature around the battery compartment.

[0043] A first vent 103 is provided between two adjacent first heat dissipation fins 102 to connect the heat dissipation groove 101 and the central cavity 105. Airflow from the lower ventilation structure flows into the central cavity 105 and enters the heat dissipation groove 101 through the first vent 103. On one hand, the flowing air carries away heat from the first heat dissipation fins 102, enhancing heat dissipation, as the heat exchange efficiency between flowing air and the heat dissipation fins is higher than that of still air. On the other hand, a circulation channel is formed between the central cavity 105 and the heat dissipation groove 101, allowing rising hot air in the central cavity 105 to enter the heat dissipation groove 101 through the first vent 103, mix with the air in the heat dissipation groove 101, further promoting heat dissipation. Simultaneously, air in the heat dissipation groove 101 can also flow back to the central cavity 105 through the first vent 103, participating in the overall air convection heat dissipation process.

[0044] The heat dissipation groove 101, the first heat dissipation fins 102, and the first vent 103 together constitute a highly efficient heat dissipation subsystem. The heat dissipation groove 101 quickly absorbs battery heat, the first heat dissipation fins 102 increase the heat dissipation area and accelerate heat dissipation to the surrounding air, and the first vent 103 introduces flowing air into the central cavity 105 to enhance heat dissipation and form air circulation. This overall structure comprehensively improves the heat dissipation capacity of the battery swapping cabinet 1 for the battery compartment, from heat collection and dissipation to enhanced air convection, ensuring that the battery operates at a suitable temperature, improving battery life and the overall performance of the battery swapping cabinet.

[0045] See instruction manual attached Figure 3 and Figure 5 As shown, the spiral airflow guiding structure 6 includes a central shaft 601 positioned at the central axis of the central cavity 105. Four or more spiral guide ribs 602, evenly distributed around the central shaft 601, are fixedly mounted on the outer side of the central shaft 601. The upper end of the central shaft 601 is fixedly connected to the inner wall of the central cavity 105 via two or more suspension rods 603. When air from the lower ventilation structure 5 enters the central cavity 105, the spiral guide ribs 602 change the airflow direction, causing it to rise along a spiral trajectory. Because the spiral airflow path is much larger than a straight upward path, it significantly increases the contact area and contact time between the air and the battery compartment and other heat-generating components within the central cavity 105. According to the principle of heat transfer, the increased contact area and time allow the air to absorb heat more fully, thus significantly improving heat dissipation efficiency. For example, under the same airflow and temperature difference conditions, the air guided by the spiral can carry away more heat, effectively reducing the temperature of the components within the central cavity 105. The spiral wind-guided structure 6 works in conjunction with the lower ventilation structure 5, the heat dissipation groove 101, and other heat dissipation components to promote air convection and heat dissipation circulation within the entire battery swapping cabinet 1.

[0046] Each first battery compartment 2 and each second battery compartment 3 has a second vent 110 extending vertically through the central cavity 105. These vents 110 are interconnected with the central cavity 105. The first battery compartments 2 and 3, along with the second vents 110, work together to create an efficient heat transfer and airflow system. Through the connection of the second vents 110, heat from the battery compartments is promptly transferred to the central cavity 105, while air from the central cavity 105 enters the battery compartments and mixes with the hot air. This process, in conjunction with the lower ventilation structure 5, the spiral airflow guide structure 6, and other heat dissipation components, perfects the air convection cooling circulation within the entire battery swapping cabinet 1. This improves the overall heat dissipation performance of the battery swapping cabinet, ensures the stable operation of the batteries and other components, and enhances the cabinet's efficiency and reliability.

[0047] See instruction manual attached Figure 3 and Figure 6 As shown, the lower ventilation structure 5 includes a lower mounting cavity 106 located in the lower part of the battery swapping cabinet 1. A first cooling fan 501 is installed in the lower mounting cavity 106 to blow air upwards towards the central cavity 105 and to blow the air from the central cavity 105 into the heat dissipation groove 101 through the first vent 103. Several evenly distributed fifth vents 502 are provided on the bottom outer wall of the battery swapping cabinet 1, and a filter screen 503 is installed at each of the fifth vents 502. Through the above specific structural design, the lower mounting cavity 106, the first cooling fan 501, the fifth vents 502, and the filter screen 503 in the lower ventilation structure 5 cooperate to jointly construct a highly efficient and stable heat dissipation subsystem. The lower mounting cavity 106 provides a stable installation environment and reasonable airflow guidance for the first cooling fan 501. The first cooling fan 501, as the power core, drives air circulation and enhances localized heat dissipation. The fifth vent 502 ensures a sufficient and uniform air supply. The filter screen 503 maintains the cleanliness of the system's interior and protects all components. Together, they allow cool outside air to continuously and stably enter the battery swapping cabinet 1, forming effective air convection inside the cabinet and promptly carrying away the heat generated by the battery and other components, achieving efficient heat dissipation.

[0048] The upper part of the battery swapping cabinet 1 has an upper mounting cavity 108, inside which is housed an inner container 109. This isolates the charger 7 from the outside environment, reducing the impact of dust and debris on the charger and extending its service life. Furthermore, the presence of the inner container 109 allows the air blown by the second cooling fan 8 to be more concentrated on the charger 7, improving heat dissipation efficiency. The inner container 109 contains a support rod 701 for supporting the charger 7, and a second cooling fan 8 for blowing air towards the charger 7. A top cover 104 is located on the top side of the inner container 109, and a third vent 111 is provided on the top cover 104 to allow communication between the inside and outside of the inner container 109. A semiconductor cooler 9 is located on the bottom side of the inner container 109. Through the aforementioned structural design, the upper mounting cavity 108 and the inner container 109 provide a stable installation environment and protective space for the charger 7 and related heat dissipation components; the support rod 701 ensures the charger 7 is placed stably; the second cooling fan 8 accelerates airflow to remove heat; the top cover 104 and the third vent 111 enable air circulation; and the semiconductor cooler 9 reduces air temperature and enhances heat dissipation. Their coordinated operation ensures that the heat generated by the charger 7 during operation can be dissipated promptly and effectively, guaranteeing the normal operation of the charger 7 and improving the reliability and stability of the entire battery swapping cabinet system.

[0049] An airflow channel is formed between the inner wall of the upper mounting cavity 108 and the outer wall of the inner container 109. Several evenly distributed second heat dissipation fins 114 are provided on the bottom side wall of the inner container 109. The second heat dissipation fins 114 are connected to the semiconductor cooler 9. Several fourth vents 112 are provided on the upper side wall of the battery swapping cabinet 1 to connect the airflow channel with the outside. Through the above specific structural design, the heat dissipation system for the charger 7 in the upper part of the battery swapping cabinet 1 is further improved. The airflow channel expands the airflow path and enhances the heat exchange effect; the second heat dissipation fins 114, in conjunction with the semiconductor cooler 9, enhance air cooling; and the fourth vents 112 realize the circulation and renewal of air within the airflow channel. These components, together with the previously mentioned upper mounting cavity 108, inner container 109, and second cooling fan 8, improve heat dissipation efficiency from multiple angles, enabling the heat generated by the charger 7 to be dissipated more quickly and thoroughly, comprehensively ensuring the stable operation of the charger 7, and improving the reliability and performance of the entire battery swapping cabinet system.

[0050] The outer edge of the top cover 104 protrudes beyond the outer side of the battery swapping cabinet 1, and several evenly distributed indicator lights 113 are provided on the lower side of the outer edge of the top cover 104.

[0051] An auxiliary heat dissipation device for an energy-saving battery swapping cabinet also includes a temperature sensor for real-time temperature monitoring. The temperature sensor is installed in each of the first battery insertion slots 2 and the second battery insertion slots 3. The temperature sensor is electrically connected to the first cooling fan 501, the second cooling fan 8 and the semiconductor cooler 9, and automatically adjusts the operating status of the heat dissipation device according to the temperature monitoring data.

[0052] Working principle:

[0053] The first cooling fan 501 in the lower ventilation structure 5 is located in the lower mounting cavity 106 inside the battery swapping cabinet 1. After being filtered by the filter screen 503, the fifth vent 502 on the bottom outer wall allows outside air to enter the lower mounting cavity 106, be blown into the central cavity 105 by the first cooling fan 501, and flow upward.

[0054] The upward-flowing air within the central cavity 105 passes through the second vent 110, sequentially through the first battery compartment 2 and the second battery compartment 3, carrying away the heat generated by the battery. Simultaneously, the air also flows through the first vent 103 into the heat dissipation groove 101, where it is cooled by the first heat dissipation fins 102. The spiral guide ribs 602 within the central cavity 105 cause the airflow from the lower ventilation structure to rise in a spiral shape, increasing the contact area and time between the airflow and the air within the central cavity 105 and the surrounding structure, thus enhancing the heat dissipation effect.

[0055] The semiconductor cooler 9 cools the air that rises to this location. The cooled air then dissipates heat from the charger 7 inside the inner container 109.

[0056] The second cooling fan 8 inside the inner container 109 blows air towards the charger 7, accelerating the airflow around the charger 7 and improving heat dissipation efficiency. The third vent 111 on the top cover 104 of the inner container 109 connects the inside of the inner container 109 with the outside, allowing hot air to be discharged. At the same time, the airflow channel formed between the inner wall of the upper mounting cavity 108 and the outer wall of the inner container 109, as well as the second heat dissipation fins 114 on the bottom side wall of the inner container 109 connected to the semiconductor cooler 9, further assist in heat dissipation. The fourth vent 112 on the upper side wall of the battery swapping cabinet 1 connects the airflow channel with the outside, allowing hot air in the airflow channel to be discharged.

[0057] Temperature sensors installed in each of the first battery compartment 2 and the second battery compartment 3 monitor the temperature in real time. The temperature sensors are electrically connected to the first cooling fan 501, the second cooling fan 8, and the thermoelectric cooler 9. When the temperature rises, the temperature sensors automatically adjust the operating status of these cooling devices based on the monitoring data, such as increasing fan speed or activating the thermoelectric cooler, to enhance heat dissipation. When the temperature drops to a suitable range, the operating intensity of the cooling devices is reduced accordingly, achieving energy saving and precise heat dissipation.

[0058] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention 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 the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. An auxiliary heat dissipation device for an energy-saving battery swapping cabinet, characterized in that: The battery swapping cabinet (1) is cylindrical in shape. A central cavity (105) is provided at the central axis of the battery swapping cabinet (1). A charger (7) is provided at the upper part of the battery swapping cabinet (1). A bottom ventilation structure (5) is provided at the lower part of the battery swapping cabinet (1) for supplying air from bottom to top in the central cavity (105). The battery swapping cabinet (1) has several sets of first battery insertion slots (2) and several sets of second battery insertion slots (3) arranged intersectingly along its axial direction on its outer side. The first battery insertion slots (2) and the second battery insertion slots (3) are all connected to the central cavity (105). A semiconductor cooler (9) is provided between the charger (7) and the upper air outlet of the central cavity (105). The central cavity (105) is provided with a spiral wind force guiding structure (6) that can guide the air supply spiral. Each group of first battery compartments (2) is provided with three or more evenly distributed at equal angles with the central cavity (105) as the center, and each group of second battery compartments (3) is provided with three or more evenly distributed at equal angles with the central cavity (105) as the center. Adjacent groups of first battery compartments (2) and groups of second battery compartments (3) are arranged to intersect each other with the central cavity (105) as the center. The battery swapping cabinet (1) has a heat dissipation groove (101) on its outer side for being adjacent to the first battery insertion slot (2) and the second battery insertion slot (3). Each heat dissipation groove (101) has a number of evenly distributed first heat dissipation fins (102). A first vent hole (103) is provided between two adjacent first heat dissipation fins (102) to enable communication between the heat dissipation groove (101) and the central cavity (105).

2. The auxiliary heat dissipation device for an energy-saving battery swapping cabinet according to claim 1, characterized in that: The spiral wind-guided structure (6) includes a central shaft (601) located at the central axis of the central cavity (105). Four or more spiral guide ribs (602) are fixedly arranged on the outer side of the central shaft (601) and evenly distributed around its axis. The upper end of the central shaft (601) is fixedly connected to the inner wall of the central cavity (105) through two or more hangers (603).

3. The auxiliary heat dissipation device for an energy-saving battery swapping cabinet according to claim 1, characterized in that: Each first battery compartment (2) and each second battery compartment (3) has a second vent (110) extending vertically through the central cavity (105) on the side near the central cavity (105). The second vent (110) is connected to the central cavity (105).

4. The auxiliary heat dissipation device for an energy-saving battery swapping cabinet according to claim 1, characterized in that: The lower ventilation structure (5) includes a lower mounting cavity (106) located in the lower part of the battery swapping cabinet (1). The lower mounting cavity (106) is provided with a first cooling fan (501) for blowing air upward toward the central cavity (105) and for blowing the air in the central cavity (105) into the heat dissipation groove (101) through the first ventilation hole (103). A number of evenly distributed fifth ventilation holes (502) are provided on the bottom outer wall of the battery swapping cabinet (1). A filter screen (503) is provided at the fifth ventilation hole (502).

5. The auxiliary heat dissipation device for an energy-saving battery swapping cabinet according to claim 1, characterized in that: The upper part of the battery swapping cabinet (1) is provided with an upper mounting cavity (108), and an inner container (109) is provided inside the upper mounting cavity (108). A support rod (701) for supporting the charger (7) is provided inside the inner container (109). A second cooling fan (8) for blowing air toward the charger (7) is provided inside the inner container (109). A top cover (104) is provided on the top side of the inner container (109). A third vent (111) is provided on the top cover (104) for communicating between the inside and outside of the inner container (109). The semiconductor cooler (9) is provided on the bottom side of the inner container (109).

6. The auxiliary heat dissipation device for an energy-saving battery swapping cabinet according to claim 5, characterized in that: An airflow channel is formed between the inner wall of the upper mounting cavity (108) and the outer wall of the inner container (109). A number of evenly distributed second heat dissipation fins (114) are provided on the bottom side wall of the inner container (109). The second heat dissipation fins (114) are connected to the semiconductor cooler (9). A number of fourth vent holes (112) are provided on the upper side wall of the battery swapping cabinet (1) to enable the airflow channel to communicate with the outside.

7. The auxiliary heat dissipation device for an energy-saving battery swapping cabinet according to claim 5, characterized in that: The outer edge of the top cover (104) protrudes from the outside of the battery swapping cabinet (1), and a number of evenly distributed indicator lights (113) are provided on the lower side of the outer edge of the top cover (104).

8. The auxiliary heat dissipation device for an energy-saving battery swapping cabinet according to claim 1, characterized in that: It also includes a temperature sensor for real-time temperature monitoring, the temperature sensor being disposed in each of the first battery compartment (2) and the second battery compartment (3), the temperature sensor being electrically connected to the first cooling fan (501), the second cooling fan (8) and the semiconductor cooler (9).

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