Waterproof device for ship battery box and battery changing ship

Abstract

The invention provides a waterproof device for a ship battery box and a battery changing ship, and belongs to the technical field of ship battery changing. The waterproof device comprises a box end waterproof door and a limiting piece. The waterproof device is arranged at the bottom of the ship battery box to realize a waterproof function; the waterproof device further comprises a guide mechanism and a limiting piece, the box end waterproof door slides in the guide mechanism so as to move to the opening position and the closing position, and the limiting piece provides door closing pre-tightening force for the box end waterproof door when the box end waterproof door is closed. The waterproof device further comprises a box end electric connector. The box end electric connector comprises a box end electrode tip, a sealing ring and a floating device. The position of the sealing ring is higher than that of the box end waterproof door, so that when the box end waterproof door is closed, the floating device descends to press the sealing ring, and a sealing condition is formed between the box end waterproof door and the box end electric connector; when the ship needs to change the electricity, the box end waterproof door is opened to change the electricity of the ship, and after the electricity is changed, the box end waterproof door is closed to seal the ship battery box.

Description

Technical Field

[0001] The present invention relates to the field of ship battery replacement, and in particular to a waterproof device for a ship battery box and a battery replacement ship. Background Art

[0002] The shift from petroleum to electricity has expanded beyond land transportation to maritime transport. However, many inland ports lack suitable infrastructure for charging stations. Therefore, battery replacement has become a key technological development direction for electric ships. To address this issue, the current approach involves building charging stations at a certain distance from ports to facilitate short-distance delivery of ship battery packs. Vehicles are then used to transport and replace the battery packs between the charging stations and the port terminals.

[0003] Given the need for ships to navigate the waters, the demand for high battery endurance has become extremely urgent. To meet this demand, ships must carry extra-large battery boxes. To facilitate rapid replacement, these boxes are typically locked on the ship's deck, exposing them to the elements. Furthermore, charging these large battery boxes must also be performed outdoors. Therefore, external environmental factors can significantly impact the safety of the battery boxes and their charging and discharging processes, placing higher demands on their waterproof performance.

[0004] To ensure the safe operation of ship battery boxes, effective measures need to be taken to improve their waterproof performance. This may include designing stronger and well-sealed ship battery box casings to withstand the impact of harsh weather conditions and water environments on ship battery boxes. Summary of the Invention

[0005] The purpose of the present invention is to provide a waterproof device for a ship battery box and a battery-exchange ship, and to solve the problems of sealing and safety of the box end electrode head part of the ship battery box in the field of ship battery exchange.

[0006] The purpose of the present invention is achieved by the following technical solutions:

[0007] In a first aspect, the present invention provides a waterproof device for a ship battery box, which is arranged on the box body of the ship battery box to protect the box end electrode head located at the bottom of the ship battery box. The waterproof device for the ship battery box includes a box end waterproof door and a limiting member. The box end waterproof door can be moved along the length direction or width direction of the box end electrode head to open or close the box end electrode head. One end of the limiting member is connected to the box body, and the other end is connected to the box end waterproof door, so that the box end waterproof door remains closed when not subjected to external force.

[0008] In this solution, first, a waterproof door is installed on the bottom of the ship's battery box to protect the box-end electrode head located at the bottom of the ship's battery box. This ensures that the box-end electrode head is always sealed when the battery box is not docked with the ship, preventing the box-end electrode head from being disturbed by external debris. This is especially true in rainy weather, which can prevent rain from invading and affecting the service life of the box-end electrode head. At the same time, it also avoids safety issues caused by the exposed box-end electrode head. Secondly, the box-end electrode head is installed at the bottom of the ship's battery box, which can facilitate the ship's battery box to be placed on the ship from top to bottom during battery replacement. Compared with existing side-to-side battery replacement, bottom-to-side battery replacement requires less side space and thus has a lower requirement for the length of the ship's deck. Furthermore, the limiting action of the stopper ensures that the box-end waterproof door remains closed when no external force is applied, thereby protecting the box-end electrode head when the box-end waterproof door is not applied. When the box-end waterproof door is applied, it can be opened, allowing the box-end electrode head to dock with the ship to replace the battery and provide energy for the ship's navigation.

[0009] Preferably, the box end waterproof door is provided with matching parts at both ends in a direction perpendicular to its moving direction to cooperate with an external mechanism to drive the box end waterproof door to move under the drive of the external mechanism.

[0010] In this solution, the box-end waterproof door can be fully automated by setting a matching part. The box-end waterproof door and the box-end waterproof door can be opened and closed synchronously under the drive of an external mechanism. The whole process requires no human intervention, thereby improving the efficiency and safety of battery replacement.

[0011] Furthermore, the box end waterproof door is arranged horizontally and is provided with a folded edge along at least one end of its moving direction, and the folded edge extends from the edge of the box end waterproof door in a direction away from the box end electrode head.

[0012] In this solution, by providing a folding edge at one end of the box end waterproof door in the moving direction, on the one hand, the strength of the box end waterproof door can be increased by the added folding edge; on the other hand, the folding edge extends in the direction away from the box end electrode head to avoid interference or damage to the box end electrical connector and surrounding structures during the door opening and closing process.

[0013] Preferably, the box end electrode head is arranged downward and is circumferentially surrounded by a sealing ring, the box end waterproof door is located below the box end electrode head and moves horizontally, the end of the folded edge connected to the box end waterproof door is the highest point, and the other end of the folded edge away from the box end waterproof door is the lowest point, the lowest point is set to be no higher than the lower end surface of the sealing ring, and the highest point is set to be no lower than the lower end surface of the sealing ring.

[0014] In this solution, a sealing ring is provided around the box-end electrode head to ensure that the outer circumference of the box-end electrode head is isolated from the external environment. Furthermore, by setting the height of the folded edge and the sealing ring, when the box-end waterproof door is closed, the lower end surface of the sealing ring is squeezed by the box-end waterproof door and fits against the box-end waterproof door, thereby forming a sealed space at the electrode head, thereby ensuring that the box-end electrode head is not affected by rain, seawater, and humid environments, and providing safety and reliability for the box-end battery box. At the same time, the lowest point of the folded edge is no higher than the lower end surface of the sealing ring, so that the box-end waterproof door will not cause damage to the sealing ring during opening and closing.

[0015] Furthermore, the waterproof device also includes a guide mechanism and a limit block. The guide mechanism is arranged on both sides of the box-end electrode head along the length direction or width direction of the box-end electrode head. The guide mechanism is connected to the box-end waterproof door to guide the box-end waterproof door to move along the length direction or width direction of the box-end electrode head. The limit blocks are respectively arranged at both ends of the guide mechanism along the moving direction of the box-end waterproof door so that the box-end waterproof door stops moving after contacting the limit blocks.

[0016] In this solution, by providing a guide mechanism and a limit block on both sides of the box-end electrode head, the box-end waterproof door slides back and forth along the guide mechanism to improve the reliability, stability and efficiency of the box-end waterproof door opening and closing. Furthermore, by providing a limit block, the open position and the closed position of the box-end waterproof door are limited, so that the position of the box-end waterproof door when synchronously opened or closed is determined, thereby avoiding the box-end waterproof door not opening properly when opened and failing to achieve electrical connection between the electrode head and the ship-end electrode head, and the box-end waterproof door sliding excessively when closed, thereby affecting the protection of the box-end electrode head.

[0017] Preferably, the waterproof device also includes a mounting plate, which is located on the side of the limit block away from the box end electrode head along the moving direction of the box end waterproof door, and the mounting plate is configured to extend downward so that the limit member is connected between the mounting plate and the box end waterproof door in the horizontal direction.

[0018] In this solution, the position of the mounting plate determines the installation position of the stopper, thereby determining the closing position of the box-end waterproof door. Simultaneously, the stopper is connected between the mounting plate and the box-end waterproof door, ensuring that the box-end waterproof door remains in the preset position, i.e., in the closed state, due to the tension of the mounting plate and the stopper, even when no external force is applied.

[0019] Furthermore, the box end waterproof door includes a door body and two fixed brackets, the number of the guide mechanisms is at least two, the upper ends of the two fixed brackets are respectively connected to the two guide mechanisms located on both sides of the box end electrode head, and the lower ends are respectively connected to the two ends of the door body, and the fixed bracket is provided with a first connecting part for connecting the limit member.

[0020] In this solution, the box-end waterproof door is configured as a door body and two fixed brackets, thereby enhancing the sliding stability of the box-end waterproof door. When using a single track, the box-end waterproof door may tilt toward one side of the guide mechanism during sliding. By providing at least two guide mechanisms, the box-end waterproof door is more stable during sliding. At the same time, by providing a first connecting portion on the fixed bracket, the connection between the limiter and the fixed bracket is facilitated.

[0021] Preferably, there are multiple first connecting parts, which are arranged at intervals along the moving direction of the box-end waterproof door, so that the limiting member can be connected to any one of the first connecting parts to adjust the pre-tightening force between the box-end waterproof door and the mounting plate; or, the box-end waterproof door also includes a connecting plate connected to the first connecting part, and the connecting plate is provided with multiple second connecting parts arranged at intervals along the moving direction of the box-end waterproof door, the limiting member is connected to one of the second connecting parts, and the first connecting part is connected to any other second connecting parts to adjust the pre-tightening force between the box-end waterproof door and the mounting plate.

[0022] In this solution, the adjustment of the pre-tightening force between the box end waterproof door and the mounting plate is achieved by cooperating with multiple first connecting parts or second connecting parts and limit members; since the limit member can be connected to any first connecting part or second connecting part, the limit member can have different pre-tightening forces by connecting the limit member to different first connecting parts or second connecting parts; as time goes by, the limit member may experience fatigue, thereby affecting its pre-tightening effect; however, in the solution, the operator can fine-tune the size of the pre-tightening force of the limit member by adjusting the connection position, thereby maintaining the stability and overall performance of the waterproof device for the ship battery box.

[0023] Furthermore, the door body is provided with extension parts at both ends along a direction perpendicular to the moving direction of the box end waterproof door, and the extension parts are each provided with a groove recessed toward the box end waterproof door to form the matching part.

[0024] In this solution, by arranging matching parts at both ends of the door body, the forces at both ends of the box end waterproof door are balanced when the external mechanism cooperates with the matching parts to drive the box end waterproof door to move, so that it can move smoothly during the opening and closing process, avoiding problems such as uneven opening and closing process caused by uneven force; secondly, the matching part is arranged as a groove, which makes the structure of the matching part simple and easy to manufacture, and also facilitates the external mechanism to cooperate with the groove to act on the box end waterproof door, thereby improving the matching reliability.

[0025] In a second aspect, the present invention provides a ship battery box, comprising a box body, a box end electrode head and the aforementioned waterproof device for the ship battery box, wherein the box end electrode head is arranged at the bottom of the box body, and the waterproof device for the ship battery box is arranged on the box body corresponding to the box end electrode head to protect the box end electrode head.

[0026] Compared with the prior art, the at least one technical solution adopted in the embodiments of this specification can achieve the following beneficial effects:

[0027] First, the waterproof device provided by the present invention has a high protective capability. The box-end waterproof door protects the box-end electrode head, and the limiting part restricts it to always remain closed when not subjected to external force. At the same time, the sealing space of the present invention is realized by a sealing ring and an elastic device. When the box-end waterproof door is closed, the sealing ring receives a certain pre-tightening force, which can form a good sealing space, maintain stability in various harsh environments, and has excellent waterproof performance. This design ensures the reliability of the box-end electrical connector, so that the box-end electrical connector can maintain its performance in a dry state in the ship power replacement application scenario; the reliability of the waterproof device is crucial to ensuring the stable operation of the equipment and the safety of personnel.

[0028] Second, the battery replacement method provided by the present invention can save deck space compared with the side replacement method and the bottom replacement method; the operating space for bottom battery replacement is the bottom of the container, which saves deck length space compared with the side replacement form, and can adapt to the type of container freight ship with lower deck height and shorter length; the box end waterproof door is set at the bottom of the battery box and the box end waterproof door is set on the upper surface of the ship end bracket, so that the battery box and the ship end bracket are connected up and down, and then during the battery replacement process, since the battery box is always above the ship end bracket, the box end electrode head and the ship end electrode head can be protected by the battery box body, especially in rainy weather, they can avoid the invasion of rainwater.

[0029] Second, the present invention is highly durable and easy to repair and replace. The multiple first or second connection parts provided on the box-end waterproof door allow the connection position of the stopper to be adjusted at any time, thus providing flexibility to the entire system. This connection method not only simplifies the installation process but also allows the preload force of the stopper to be adjusted. Over time, the stopper may experience fatigue, which may affect its preload effect. However, in the present invention, the operator can fine-tune the preload force by adjusting the connection position, thereby maintaining the stability and overall performance of the waterproof device. Even if the stopper is damaged, it can be simply replaced and connected between the box-end waterproof door and the mounting plate to retain its restraining effect on the box-end waterproof door.

[0030] Third, the battery box provided by the present invention has the box-end electrode head and waterproof device located at its bottom, allowing for bottom-mounted battery replacement on the ship. Compared to existing side-mounted battery replacement, bottom-mounted battery replacement can reduce the side space occupied, thereby saving deck length space or requiring less deck length space. Furthermore, in bottom-mounted battery replacement, the box-end electrode head is located at the bottom of the ship's battery box. This positioning is more conducive to avoiding the invasion of rainwater and impurities, compared to side-mounted battery replacement where the box-end electrode head is located on the side of the ship's battery box, thereby improving safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0032] Figure 1 This is a bottom view of an embodiment of a ship battery box of the present invention;

[0033] Figure 2 A top view of an embodiment of a waterproof device of the present invention;

[0034] Figure 3 This is a schematic structural diagram of an embodiment of a waterproof device of the present invention;

[0035] Figure 4 This is a structural diagram of an embodiment of the box end waterproof door of the present invention.

[0036] Figure 5 is a front view of an embodiment of a waterproof device of the present invention;

[0037] Figure 6 It is a right side view of an embodiment of the waterproof device of the present invention;

[0038] Figure 7 This is a schematic diagram of the docking status of the box-end electrical connector and the ship-end electrical connector of the present invention.

[0039] Description of Reference Numerals

[0040] 1. Waterproof device; 11. Waterproof door at the box end; 111. Folding edge; 112. Mating part; 113. First connecting part; 115. Door body; 116. Fixed bracket; 12. Guide mechanism; 13. Limit block; 14. Connecting plate; 141. Second connecting part; 15. Limit member; 16. Fixed frame; 161. Bottom plate; 162. Mounting plate; 2. Box-end electrical connector; 21. Box-end electrode head; 22. Sealing ring; 23. Floating plate; 231. Guide hole; 3. Ship battery box. DETAILED DESCRIPTION

[0041] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0042] The following describes the embodiments of the present invention through specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0043] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present invention, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement the device and / or practice the method.

[0044] The purpose of this embodiment is to solve the problem of sealing and safety of the box end electrode head part of the ship battery box in the field of ship battery replacement.

[0045] This embodiment provides a waterproof device for a marine battery box. This device is located on the marine battery box and is intended to protect the terminal electrode head 21 at the bottom of the marine battery box. The waterproof device 1 includes a terminal waterproof door 11 and a retaining member 15. The terminal waterproof door 11 can move along the length or width of the terminal electrode head 21 to open or close the terminal electrode head 21. One end of the retaining member 15 is connected to the body of the marine battery box 3, and the other end is connected to the terminal waterproof door 11. This ensures that the terminal waterproof door 11 remains closed even in the absence of external force.

[0046] like Figure 1 As shown, in this embodiment, a waterproof device 1 is openably and closably mounted on a ship's battery box 3 to protect it. When the ship's battery box is not docked with a ship, the box-end electrode head 21 is always sealed, preventing interference from external debris. This, in particular, prevents rainwater from invading and potentially affecting the service life of the box-end electrode head 21 in rainy weather. It also avoids safety issues caused by the exposed box-end electrode head 21. In this embodiment, the waterproof device 1 is mounted on the bottom of the ship's battery box 3, and a box-end electrical connector 2 is provided at the bottom of the ship's battery box 3. This facilitates the bottom-up placement of the ship's battery box on the ship during battery swapping. Compared to existing side-to-side battery swapping, bottom-to-side battery swapping requires less lateral space, thus requiring less deck length. Furthermore, in this embodiment, the retaining action of the retaining member ensures that the box-end waterproof door remains closed when not subjected to external forces, thereby protecting the box-end electrode head. However, the door can be opened when subjected to external forces, allowing the box-end electrode head to dock with the ship for battery swapping and providing energy for the ship's navigation. Therefore, when it is necessary to dock with the equipment end, the waterproof device 1 moves and opens to expose the box-end electrical connector 2; when it is not necessary to dock with the box-end electrical connector 2, the waterproof device 1 moves and closes to cover the ship battery box 3 to prevent rainwater or seawater from entering the ship battery box 3.

[0047] like Figure 3 As shown, the box-end waterproof door 11 is provided with matching parts 112 at both ends in a direction perpendicular to its moving direction to cooperate with an external mechanism to drive the box-end waterproof door 11 to move under the drive of the external mechanism, thereby enhancing the operability and flexibility of the box-end waterproof door 11; by providing matching parts 112 at both ends of the moving direction of the box-end waterproof door 11, it can cooperate with the external mechanism more effectively, thereby moving the box-end waterproof door 11 more easily under the drive of the external mechanism, making it more convenient to operate the ship power replacement, and also increasing the stability of the waterproof device 1.

[0048] In some preferred embodiments, Figure 3 and Figure 6As shown, the tank-end waterproof door 11 is arranged horizontally and has a folded edge 111 at at least one end along its moving direction. The folded edge 111 extends from the edge of the tank-end waterproof door 11 in a direction away from the tank-end electrode head 21. The provision of the folded edge 111 not only increases the strength of the tank-end waterproof door 11, but also prevents interference or damage to the tank-end electrical connector and surrounding structures during the door opening and closing process by extending the folded edge away from the tank-end electrode head.

[0049] In some preferred embodiments, Figure 3 As shown, this embodiment also includes a box-end electrical connector 2, which has a box-end electrode head 21 arranged downward and a sealing ring 22 arranged around the box-end electrode head 21. The box-end waterproof door 11 is located below the box-end electrode head 21 and moves horizontally. The end of the folded edge 111 connected to the box-end waterproof door 11 is the highest point, and the other end of the folded edge 111 away from the box-end waterproof door 11 is the lowest point. The lowest point is set to be no higher than the lower end surface of the sealing ring 22, and the highest point is set to be no lower than the lower end surface of the sealing ring 22. A sealing ring 22 is provided around the box-end electrode head 21 to ensure that the outer circumference of the box-end electrode head 21 is isolated from the external environment. Furthermore, by setting the height of the folded edge 111 and the sealing ring 22, when the box-end waterproof door 11 is closed, the lower end surface of the sealing ring 22 is squeezed by the box-end waterproof door 11 and fits against the box-end waterproof door 11, thereby forming a sealed space at the box-end electrode head 21, thereby ensuring that the box-end electrode head 21 is not affected by rain, seawater and humid environments, and providing safety and reliability of the box-end battery box. At the same time, the lowest point of the folded edge 111 is no higher than the lower end surface of the sealing ring 22, so that the box-end waterproof door 11 will not cause damage to the sealing ring 22 during the opening and closing process.

[0050] Furthermore, the box-end electrical connector 2 also includes a floating plate 23 and an elastic device (not shown in the figure). The box-end electrode head 21 is installed at the center of the floating plate 23, and the sealing ring 22 is sleeved on the floating plate 23 and wrapped around the flange around the box-end electrode head 21; the floating plate 23 is provided with a guide hole 231 to facilitate the docking of the box-end electrode head 21 and play an automatic guiding role; the elastic device is provided below the floating plate 23 and is used for closing the box-end waterproof door 11. The box-end waterproof door 11 can squeeze the box-end electrical connector 21 downward to make the floating plate 23 drop, and at the same time, the box-end waterproof door 11 contacts the sealing ring 22 to form a closed space; when the box-end waterproof door 11 is opened, the elastic device causes the floating plate 23 to rise, so that the box-end electrode head 21 rises to achieve docking.

[0051] In some preferred embodiments, Figure 3 and Figure 6As shown, the waterproof device 1 also includes a guide mechanism 12 and a limit block 13. The guide mechanism 12 is arranged on both sides of the box-end electrode head 21 along the length direction or width direction of the box-end electrode head 21. The bottom edge of the box-end waterproof door 11 is parallel to the guide mechanism 12, so that the box-end waterproof door 11 is slidably arranged on the guide mechanism 12, thereby forming a sealed space covered on the box-end electrical connector 2, and the sealed space is opened by the movement of the box-end waterproof door 11 to make an electrical connection; the guide mechanism 12 is connected to the box-end waterproof door 11 to guide the box-end waterproof door 11 to move along the length direction or width direction of the box-end electrode head 21, and the limit blocks 13 are respectively arranged at both ends of the guide mechanism 12 along the movement direction of the box-end waterproof door so that the box-end waterproof door 11 stops moving after contacting the limit blocks 13, thereby avoiding the box-end waterproof door 11 from not opening in place when opening and failing to achieve electrical connection between the box-end electrode head 21 and the ship-end electrode head, and the box-end waterproof door 11 from sliding excessively when closing, thereby affecting the protection of the box-end electrode head 21.

[0052] In some preferred embodiments, the waterproof device 1 further includes a fixed frame 16, which further includes a bottom plate 161 and a mounting plate 162. The bottom plate 161 is fixed to the bottom of the ship's battery box 3, and the mounting plate 162 is located on the side of the limit block 13 away from the box-end electrode head 21 along the movement direction of the box-end waterproof door 11. The mounting plate 162 is configured to extend downward so that the limit member 15 is horizontally connected between the mounting plate 162 and the box-end waterproof door 11. The configuration of the mounting plate 162 allows the limit member 15 to be connected between the mounting plate 162 and the box-end waterproof door 11, so that when the box-end waterproof door 11 is not subjected to external force, it is maintained in a preset position, that is, in a closed state, by the tension of the mounting plate 162 and the limit member 15.

[0053] In some embodiments, as Figure 4 As shown, the tank-end waterproof door 11 includes a door body 115 and two fixed brackets 116. There are at least two guide mechanisms 12. The upper ends of the two fixed brackets 116 are connected to the two guide mechanisms 12 located on either side of the tank-end electrode head 21, and the lower ends are connected to the ends of the door body 115. The fixed brackets 116 are provided with first connecting portions 113 for connecting to the stopper 15. The configuration of the tank-end waterproof door 11 consisting of the door body 115 and the two fixed brackets 116 enhances the sliding stability of the tank-end waterproof door 11. When using a single track, the tank-end waterproof door 11 may tilt toward one side of the guide mechanism 12 during sliding. By having at least two guide mechanisms 12, the tank-end waterproof door 11 is more stable during sliding. Furthermore, the provision of the first connecting portion 113 on the fixed brackets 116 facilitates the connection of the stopper 15 to the fixed brackets 116.

[0054] In some preferred embodiments, the first connecting part 113 is provided in plurality and is arranged at intervals along the moving direction of the waterproof door 11 of the battery box end, so that the limiting part 15 can be connected to any one of the first connecting part 113 to adjust the pre-tightening force between the waterproof door 11 of the battery box end and the mounting plate 162. The pre-tightening force between the waterproof door 11 of the battery box end and the mounting plate 162 is adjusted by the cooperation of the plurality of first connecting part 113 and the limiting part 15; since the limiting part 15 can be connected to any one of the first connecting part 113, the limiting part 15 can have different pre-tightening forces by connecting the limiting part 15 to different first connecting part 113; over time, the limiting part 15 can experience use fatigue, thereby affecting its pre-tightening effect; however, in the scheme, the operator can adjust the connection position to fine-tune the pre-tightening force of the limiting part, thereby maintaining the stability and overall performance of the waterproof device for the battery box of the ship. In this embodiment, the limiting part 15 is of elastic structure, for example, a tension spring.

[0055] In another embodiment, the waterproof door 11 of the battery box end further comprises a connecting plate 14 connected to the first connecting part 113, the connecting plate 14 is provided with a plurality of second connecting parts 141 arranged at intervals along the moving direction of the waterproof door 11 of the battery box end, the limiting part is connected to one of the second connecting parts 141, and the first connecting part 113 is connected to any one of the remaining second connecting parts 141 to adjust the pre-tightening force between the waterproof door 11 of the battery box end and the mounting plate 162. The pre-tightening force between the waterproof door 11 of the battery box end and the mounting plate 162 is further adjusted by providing the second connecting part; ensuring the reliability of the limiting part 15.

[0056] In some preferred embodiments, the door body 115 is provided with an extension at both ends in a direction perpendicular to the moving direction of the waterproof door 11 of the battery box end, and the extension is provided with a groove recessed towards the waterproof door 11 of the battery box end to form a cooperating part 112; however, it should be understood that the cooperating part in the form of groove in this embodiment is only preferred, and any structure that can realize the movement of the waterproof door 11 of the battery box end driven by the cooperating part of the external mechanism can be used as the cooperating part 112, such as hole and mortise structure. By providing the cooperating part 112 at both ends of the door body 115, the force on both ends of the waterproof door 11 of the battery box end is balanced when the external mechanism cooperates with the cooperating part 112 to drive the waterproof door 11 of the battery box end to move, so that the waterproof door 11 of the battery box end can move smoothly during opening and closing, avoiding problems such as unsmooth opening and closing caused by uneven force. Secondly, the cooperating part 112 is provided in the form of groove, so that the structure of the cooperating part is simple, easy to manufacture, and convenient for the external mechanism to cooperate with the groove to act on the waterproof door 11 of the battery box end, improving the cooperation reliability.

[0057] This embodiment also provides a ship battery box 3, comprising a box body and a waterproof device 1 disposed on the box body. The box body of the ship battery box 3 in this embodiment is configured in the form of a container, and the waterproof device 1 is disposed on the ship battery box 3. The sealed space formed by the waterproof device 1 maintains protection for the ship battery box 3, preventing rainwater from entering the ship battery box 3, thereby improving the waterproof performance and safety of the ship battery box 3 in outdoor environments. When the ship battery box 3 needs to be docked with the box-end electrode head device 2 for charging and discharging operations, the sliding waterproof device 1 can meet the need at any time. Once opened, electrical connection can be made. This simple structure can significantly improve the waterproof performance and safety of the ship battery box 3.

[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 changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A waterproof device for a ship battery box, which is installed on the box body of the ship battery box to protect the box end electrode head at the bottom of the ship battery box, characterized by: The waterproof device for a ship battery box includes a box end waterproof door and a limiting member. The box end waterproof door can be moved along the length direction or width direction of the box end electrode head to open or close the box end electrode head. One end of the limiting member is connected to the box body, and the other end is connected to the box end waterproof door, so that the box end waterproof door remains closed when not subjected to external force.

2. The waterproof device for a ship battery box according to claim 1, characterized in that: The box end waterproof door is provided with matching parts at both ends in a direction perpendicular to its moving direction to match with an external mechanism so as to drive the box end waterproof door to move under the drive of the external mechanism.

3. The waterproof device for a ship battery box according to claim 1 or 2, characterized in that: The box end waterproof door is arranged horizontally and is provided with a folded edge at at least one end along its moving direction, and the folded edge extends from the edge of the box end waterproof door in a direction away from the box end electrode head.

4. The waterproof device for a ship battery box according to claim 3, characterized in that: The box end electrode head is arranged downward and a sealing ring is provided around the circumference. The box end waterproof door is located below the box end electrode head and moves horizontally. The end of the folded edge connected to the box end waterproof door is the highest point, and the other end of the folded edge away from the box end waterproof door is the lowest point. The lowest point is set to be no higher than the lower end surface of the sealing ring, and the highest point is set to be no lower than the lower end surface of the sealing ring.

5. The waterproof device for a ship battery box according to claim 1 or 2, characterized in that: The waterproof device also includes a guide mechanism and a limit block. The guide mechanism is arranged on both sides of the box-end electrode head along the length direction or width direction of the box-end electrode head. The guide mechanism is connected to the box-end waterproof door to guide the box-end waterproof door to move along the length direction or width direction of the box-end electrode head. The limit blocks are respectively arranged at both ends of the guide mechanism along the moving direction of the box-end waterproof door so that the box-end waterproof door stops moving after contacting the limit blocks.

6. The waterproof device for a ship battery box according to claim 5, characterized in that: The waterproof device also includes a mounting plate, which is located on the side of the limit block away from the box end electrode head along the moving direction of the box end waterproof door, and the mounting plate is configured to extend downward so that the limit member is connected between the mounting plate and the box end waterproof door in the horizontal direction.

7. The waterproof device for a ship battery box according to claim 6, characterized in that: The box end waterproof door includes a door body and two fixed brackets. The number of the guide mechanisms is at least two. The upper ends of the two fixed brackets are respectively connected to the two guide mechanisms located on both sides of the box end electrode head, and the lower ends are respectively connected to the two ends of the door body. The fixed bracket is provided with a first connecting portion for connecting the limit member.

8. The waterproof device for a ship battery box according to claim 7, characterized in that: There are multiple first connection parts, which are arranged at intervals along the moving direction of the box-end waterproof door, so that the limiting member can be connected to any one of the first connection parts to adjust the pre-tightening force between the box-end waterproof door and the mounting plate; or the box-end waterproof door also includes a connecting plate connected to the first connection part, and the connecting plate is provided with multiple second connection parts arranged at intervals along the moving direction of the box-end waterproof door, the limiting member is connected to one of the second connection parts, and the first connection part is connected to any other one of the connecting plates to adjust the pre-tightening force between the box-end waterproof door and the mounting plate.

9. The waterproof device for a ship battery box according to claim 7, characterized in that: The door body is provided with extension parts at both ends along a direction perpendicular to the moving direction of the box end waterproof door, and the extension parts are each provided with a groove recessed toward the box end waterproof door to form the matching part.

10. A ship battery box, characterized in that: It includes a box body, a box end electrode head and the aforementioned waterproof device for a ship battery box. The box end electrode head is arranged at the bottom of the box body, and the waterproof device for a ship battery box is arranged on the box body corresponding to the box end electrode head to protect the box end electrode head.

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