Waterproof door linkage mechanism and battery changing ship

Abstract

The utility model provides a waterproof door linkage mechanism and a battery changing ship, and is applied to the technical field of ship battery changing, the linkage mechanism comprises a box end waterproof door, a ship end waterproof door and a linkage assembly, the box end waterproof door is slidably installed at the bottom of a battery box, and the ship end waterproof door is slidably installed on a ship end support; the linkage assembly comprises an extending part and a matching part, and the extending part and the matching part are matched with each other, so that the ship end waterproof door and the box end waterproof door are synchronously opened or closed. The waterproof door can be automatically opened and closed, manual auxiliary operation is not needed through automatic operation, and the waterproof door is particularly suitable for being used under cloudy and rainy weather conditions; the electricity changing ship adopts a bottom butt-joint electricity changing mode, rainwater invasion can be avoided in cloudy and rainy days, and the electricity changing ship can perform full-automatic operation and can perform electricity changing operation in any weather environment during electricity changing.

Description

Technical Field

[0001] The present application relates to the technical field of ship battery replacement, and in particular to a waterproof door linkage mechanism and a battery replacement ship. Background Art

[0002] At present, electric drive has been widely used in the field of ships. Generally, large-capacity container-type power battery boxes are used to power ships to meet the energy needs of ships during driving. At present, there are battery box power-changing structures for side-swap power on the market, which require electrical connection structures to be set on the side walls of the cabin or other hull structures on the ship to electrically connect with the battery box to achieve power supply. Such a side-swap power structure makes the electrical connection structure on the ship and the waterproof requirements of the battery box high during the power-changing process. At the same time, it is difficult to achieve full mechanization and requires the participation of shipboard staff in the power-changing operation, which makes it difficult to perform power-changing operations in harsh environments such as rainy days. In addition, manual participation in power-changing makes it difficult to improve the efficiency of power-changing and to fully ensure safety.

[0003] Taking the Chinese invention patent with application number "CN202111672849.X" as an example, it discloses a ship battery replacement method, device, electronic device, and storage medium; it realizes the replacement of the battery box on the electric ship, and its ship battery replacement device is used to realize the replacement of the battery box on the electric ship, and the ship battery replacement device includes: an unlocking module, which is used to unlock the electrical connection mechanism and the protective mechanism of the low-power battery box on the electric ship based on the power replacement start instruction; the electrical connection mechanism is in the accommodation space of the protective mechanism; a first transfer module, which is used to transfer the successfully unlocked low-power battery box to a designated position; a first locking module, which is used to transfer the fully charged battery box to the installation position of the electric ship, and lock the protective mechanism and the electrical connection mechanism of the fully charged battery box. This invention adopts the side power replacement method, and cannot achieve full automatic docking when the battery box is docked with the ship's electrical connection device. Summary of the invention

[0004] In view of this, the technical problem to be solved by the present invention is to overcome the defects in the prior art that ship battery replacement can only be semi-automated, resulting in difficulty in improving battery replacement efficiency and difficulty in fully ensuring safety. The purpose of the present invention is to provide a waterproof door linkage mechanism and a battery replacement ship, which can realize automatic synchronous opening / closing of the waterproof door, and can be fully automated to perform battery replacement operations in any weather environment, thereby improving battery replacement efficiency and safety.

[0005] The present invention provides the following technical solutions:

[0006] The present invention provides a waterproof door linkage mechanism, comprising:

[0007] A box end waterproof door, slidably mounted at the bottom of the battery box, for opening or closing the box end electrode head of the battery box;

[0008] A ship end waterproof door, slidably mounted on the upper surface of the ship end bracket, for opening or closing the ship end electrode head of the ship end bracket;

[0009] The linkage assembly includes a protruding piece and a matching piece, wherein one of the protruding piece and the matching piece is arranged on the ship end waterproof door, and the other is arranged on the box end waterproof door, and the protruding piece and the matching piece can cooperate with each other so that the ship end waterproof door and the box end waterproof door can be opened or closed synchronously.

[0010] In this scheme, firstly, the box-end waterproof door is arranged at the bottom of the battery box and the ship-end waterproof door is arranged 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 rain; secondly, through the mutual cooperation of the protruding parts and the matching parts of the linkage assembly, the synchronous opening or closing of the ship-end waterproof door and the box-end waterproof door is realized, so as to avoid that the ship-end electrode head or the box-end electrode head is exposed for too long due to the asynchronous opening or closing process of the ship-end waterproof door and the box-end waterproof door, and is disturbed and eroded by dust, rainwater, etc., and the battery replacement time is long, which affects the battery replacement efficiency; and the closed box-end waterproof door and ship-end waterproof door can further seal the corresponding box-end electrode head and ship-end electrode head, which can well protect the two electrode heads from rain, dust, moisture and condensation.

[0011] Preferably, the waterproof door linkage mechanism also includes a driving assembly and a connecting plate, the driving assembly is arranged on the lower surface of the ship end bracket, and the connecting plate is connected between the driving assembly and the ship end waterproof door, so that the driving assembly can drive the ship end waterproof door to move through the connecting plate, and then the linkage assembly can drive the box end waterproof door to move with the ship end waterproof door.

[0012] In this solution, the waterproof door linkage mechanism can be fully automated by setting a driving component and a connecting plate. The ship-end waterproof door and the box-end waterproof door can be opened and closed synchronously under the drive of the driving component. The whole process is free of human intervention, thereby improving the efficiency and safety of power replacement. In addition, since the driving component is arranged on the lower surface of the ship-end bracket, during the entire process of the ship-end waterproof door sliding along the sliding direction, it is ensured that its driving component and connecting plate will not interfere with the sliding of the ship-end waterproof door, and will not affect the docking of the ship-end electrode head and the box-end electrode head.

[0013] Preferably, the waterproof door linkage mechanism also includes a first guide unit and a first sensing element, the first guide unit is arranged on both sides of the ship end electrode head along the length direction or the width direction of the ship end electrode head, the first guide unit is connected to the ship end waterproof door to guide the movement of the ship end waterproof door, the first sensing element is respectively arranged at both ends of the first guide unit along the moving direction of the ship end waterproof door and corresponds to the open limit position or the closed limit position respectively, and the ship end waterproof door is provided with a first sensor on one side along its moving direction, so that after the first sensor senses the first sensing element, the ship end waterproof door is controlled to stop moving.

[0014] In this solution, the movement of the ship-end waterproof door is guided by the first guide unit, so that the ship-end waterproof door can slide back and forth along a predetermined route to improve the movement efficiency and reliability of the ship-end waterproof door; through the first sensing element provided at both ends of the first guide unit, when the first sensor that moves with the ship-end waterproof door senses the first sensing element, it is confirmed that the ship-end waterproof door has moved to the open extreme position or the closed extreme position, and then the driving component is controlled to stop moving, so that the ship-end waterproof door no longer moves, which can play a safety protection role for the driving component, the ship-end waterproof door and even the entire waterproof door linkage mechanism.

[0015] Preferably, the waterproof door linkage mechanism also includes a second guide unit and a first limit block, the second guide unit corresponds to the first guide unit, the second guide unit is arranged on both sides of the box end electrode head, the second guide unit 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 first limit block is respectively arranged at both ends of the second guide unit along the moving direction of the box end waterproof door and corresponds to the open position and the closed position respectively, so that after the box end waterproof door contacts the first limit block, the linkage assembly can no longer drive the ship end waterproof door or the box end waterproof door to move.

[0016] In this solution, the movement of the box-end waterproof door is guided by the second guide unit, so that the box-end waterproof door can slide back and forth along a predetermined route to improve the movement efficiency and reliability of the box-end waterproof door; further, the first limit block is provided to limit the open position and the closed position of the two waterproof doors, so that the position of the box-end waterproof door when it is synchronously opened or synchronously closed is determined, thereby avoiding the box-end waterproof door not opening properly when opening and failing to achieve electrical connection between the box-end electrode head and the ship-end electrode head, and the box-end waterproof door sliding excessively when closing, thereby affecting the protection of the box-end electrode head.

[0017] Preferably, the waterproof door linkage mechanism also includes a limit assembly, the limit assembly includes a second sensor, a floating member and a second sensing member, there are two second sensors, two second sensors are arranged at intervals on one side of the ship-end waterproof door along the moving direction of the ship-end waterproof door, the floating member is connected to the ship-end waterproof door and can float between the two second sensors, and the floating member is connected to the connecting plate and can drive the ship-end waterproof door to move under the drive of the driving member; there are two second sensing members, which are spaced corresponding to the second sensors and are arranged on the side wall of the floating member, and after any one of the second sensors senses the corresponding second sensing member, the driving member controls the driving member to stop driving the ship-end waterproof door to move.

[0018] In this solution, the floating part is installed on the side end of the ship end waterproof door in a floating connection manner. During the process of the driving component driving the ship end waterproof door to slide through the connecting plate and the floating part, when one of the second sensors senses the corresponding second sensing part on the same side, the driving component stops moving, indicating that the ship end waterproof door has completed the opening or closing action, thereby avoiding the driving component from continuing to drive and causing excessive movement of the ship end waterproof door and causing damage.

[0019] For example, when the waterproof door linkage mechanism executes the door opening operation of the box-end waterproof door and the ship-end waterproof door, the driving component is shut down after the second sensor detects the corresponding second sensing element signal, and then the docking of the ship-end electrode head and the box-end electrode head can be controlled; before the battery box is detached from the ship-end bracket, the two waterproof doors are clearly closed to the closed position, ensuring that the two electrode heads are isolated from the external environment, playing a role in waterproofing, rainproofing and fogproofing.

[0020] Furthermore, on the basis of the first sensor and the first sensing element, the second sensor and the second sensing element are provided to achieve double assurance, making the control of the drive assembly more reliable, improving the safety and reliability of the ship end waterproof door and the entire waterproof door linkage mechanism, thereby ensuring the safety and reliability of the ship's power replacement process.

[0021] Preferably, two relatively arranged fixed plates are provided on one side of the ship-end waterproof door, two second sensors are respectively arranged on the two fixed plates, a connecting rod is passed through the two fixed plates, the floating member is sleeved on the connecting rod and elastic bodies are provided between the two ends of the floating member and the fixed plate on the corresponding side, so that the driving component can drive the floating member and the ship-end waterproof door to move synchronously in the process of driving the connecting plate to move, and then the linkage component drives the box-end waterproof door to move synchronously until the box-end waterproof door contacts the first limit block of the battery box and the box-end waterproof door and the ship-end waterproof door no longer move, and the floating member continues to move with the driving component to drive the second sensing member to move toward the second sensor on the corresponding side until it is sensed by the second sensor to control the driving component to stop driving.

[0022] In this scheme, the floating member is sleeved on the connecting rod between the two fixed plates along the moving direction of the ship end waterproof door, and elastic bodies are installed correspondingly between the two ends of the floating member and the fixed plates. Therefore, under normal conditions, the floating member is centered in the middle position of the connecting rod by the two elastic bodies. In the process of opening the ship end waterproof door, the driving component drives the ship end waterproof door to open through the connecting plate, the floating member, the elastic body and the fixed plate, and the linkage component synchronously drives the box end waterproof door to open until it reaches the open position. Due to the setting of the first limit block, the two waterproof doors no longer move. At this time, the driving component will continue to drive the floating member to move closer to the fixed plate on one side until the second sensor senses the corresponding second sensing member to stop the movement of the entire driving component. Only then can the ship end electrode head of the ship end bracket be controlled to extend and dock with the box end electrode head of the battery box to complete the electrical connection. On the contrary, when the electrode head at the box end is disconnected from the electrode head at the ship end, the driving assembly and the linkage assembly synchronously drive the two waterproof doors to reset and cover the two electrode heads accordingly. After the two waterproof doors reset to the initial closed position, the two waterproof doors no longer move due to the setting of the first limit block. The driving assembly continues to drive the floating part to move closer to the fixed plate on the other side until the corresponding second sensor senses the second sensing part on this side and stops the movement of the entire driving assembly, ensuring that the two waterproof doors each seal the two electrode heads at this time.

[0023] Preferably, the driving assembly includes a motor and a screw connected to the motor, the connecting plate includes a horizontal plate and a vertical plate, the horizontal plate is connected to the screw via a screw seat, the screw seat is sleeved on the screw and can move relative to the screw when the motor drives the screw to rotate to drive the connecting plate to move, the first sensor is arranged on the horizontal plate and arranged upward for sensing the first sensing member, the vertical plate extends upward from one end of the horizontal plate, passes through the upper surface of the ship end bracket and is connected to a side of the floating member away from the ship end waterproof door.

[0024] In this solution, the driving assembly is used to realize the sliding movement of the ship end waterproof door, and specifically adopts the screw transmission method to drive the movement of the connecting plate. The first sensor is set on the horizontal plate of the connecting plate, and the first sensing element is set on the lower surface of the ship end bracket. The first sensing element and the first sensor are used to limit the limit position of the ship end waterproof door, so that it has the limit displacement safety protection function; secondly, because the driving assembly, the first sensor and the first sensing element are all located below the ship end bracket, they will not interfere with the movement of the ship end waterproof door.

[0025] Preferably, the upper surface of the ship end bracket is provided with a horizontal groove extending along the moving direction of the ship end waterproof door for the vertical plate to move along the horizontal groove, and a protective shell connected to the ship end waterproof door is provided above the limiting assembly, and both ends of the protective shell along the moving direction of the ship end waterproof door are provided with a first accordion cover covering the top of the horizontal groove, and the first accordion covers at both ends of the protective shell can be extended and retracted with the movement of the protective shell so that the protective shell always covers the horizontal groove during the movement of the ship end waterproof door.

[0026] In this solution, by setting a protective shell to isolate the limiting mechanism in the protective shell from the external environment, and by setting a first accordion cover to isolate the horizontal groove from the external environment, the limiting mechanism and the electrical components in the ship end bracket can be isolated and protected to prevent moisture from affecting the service life. At the same time, the first accordion cover can always cover the horizontal groove without affecting the movement of the driving assembly driving the connecting plate, the ship end waterproof door, etc., to prevent rainwater, dust, etc. from falling into the ship end bracket through the horizontal groove and affecting the function and service life of the ship end bracket.

[0027] Preferably, there are two matching pieces, which are arranged at both ends of the box end waterproof door along a direction perpendicular to the moving direction of the box end waterproof door; there are two protruding pieces, and corresponding matching pieces are arranged on the ship end waterproof door.

[0028] In this solution, there are two matching parts and two extending parts respectively and they are arranged correspondingly, so as to match one by one, thereby improving the reliability of the matching between the two, so that the forces on both sides of the ship end waterproof door and the box end waterproof door are balanced and move smoothly. Furthermore, the linkage structure of the matching parts and the extending parts is simple to set and the drive is reliable. The matching parts and the extending parts can be integrally arranged on the box end waterproof door and the ship end waterproof door, or they can be fixed on the corresponding box end waterproof door and the ship end waterproof door by bolts, which is convenient for replacement and maintenance.

[0029] Preferably, the end of the protruding piece away from the ship end waterproof door is set to be conical or have an inclined surface, and its cross-sectional area gradually increases from the end away from the ship end waterproof door to the end close to the ship end waterproof door to guide the protruding piece to extend into the matching piece to achieve matching.

[0030] The protruding piece in the present solution is provided with a conical or inclined structure, so as to facilitate guiding the protruding piece to cooperate with the matching piece to achieve linkage.

[0031] Preferably, at least one end of the box end waterproof door along its moving direction is provided with a first folded edge, and the first folded edge extends downward from the edge of the box end waterproof door; and / or, one end of the second guide unit is provided with a first mounting plate, and a limiting member is connected between the first mounting plate and the box end waterproof door, so that the box end waterproof door remains in a closed state close to the first mounting plate when it is not driven by the linkage assembly.

[0032] In the present solution, a first folded edge extending downward from the edge of the box-end waterproof door is provided to prevent the box-end waterproof door from interfering with the box-end electrode head and its surrounding structures during movement, thereby affecting the life of the box-end electrode head; and / or, a limiting member between the first mounting plate and the box-end waterproof door is used to always provide a force for the box-end waterproof door to move toward the first mounting plate, thereby ensuring that the box-end waterproof door is always in a closed state when not subjected to the force of the linkage component, so that the box-end electrode head is always closed when it is not electrically connected to the ship-end electrode head, thereby protecting the box-end electrode head.

[0033] Preferably, at least one end of the ship end waterproof door along its moving direction is provided with a second folded edge, and the second folded edge extends upward from the edge of the ship end waterproof door; and / or, second mounting plates are respectively provided at both ends of the first guide unit, and a second accordion cover covering the first guide unit is provided between the edges of the two ends of the ship end waterproof door along its moving direction and the second mounting plates on the corresponding sides, and the second accordion covers at both ends of the ship end waterproof door can be extended and retracted with the movement of the ship end waterproof door so that the first guide unit is always covered during the movement of the ship end waterproof door.

[0034] In the present solution, by providing a second folded edge extending upward from the edge of the ship end waterproof door, the ship end waterproof door can avoid interfering with the ship end electrode head and its surrounding structures during movement, thereby avoiding affecting the life of the ship end electrode head; and / or, by correspondingly installing a second accordion cover between the two second mounting plates to cover the entire first guide unit to isolate it from the external environment, the first guide unit is not affected by the humid environment, does not cause rust and other problems, and improves the service life of the first guide unit.

[0035] The present invention also provides a battery-exchange ship, comprising a hull, a battery box and the aforementioned waterproof door linkage mechanism, wherein the hull is provided with a ship-end bracket for carrying the battery box, the ship-end bracket has a ship-end electrode head arranged upward, and the bottom of the battery box has a box-end electrode head arranged downward, and when the battery-exchange ship is performing battery exchange, the box-end electrode head is electrically disconnected from the ship-end electrode head, and the waterproof door linkage mechanism synchronously closes the box-end waterproof door and the ship-end waterproof door to protect the box-end electrode head and the ship-end electrode head, after which the battery box is detached from the ship-end bracket; when the battery box is installed on the ship-end bracket, the waterproof door linkage mechanism synchronously opens the box-end waterproof door and the ship-end waterproof door, so that the box-end electrode head is electrically connected to the ship-end electrode head to provide electrical energy for the battery-exchange ship.

[0036] In the battery-exchange ship in this scheme, the battery box and the ship-end bracket are butted up and down, so that during the battery-exchange process, the battery box is always above the ship-end bracket, so that 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 rain invasion; the waterproof door linkage mechanism can realize the synchronous opening or closing of the ship-end waterproof door and the box-end waterproof door, so as to avoid that the ship-end electrode head or the box-end electrode head is exposed for too long due to the asynchronous opening or closing process of the ship-end waterproof door and the box-end waterproof door, and is disturbed and eroded by dust, rainwater, etc., and the battery-exchange time is long, which affects the battery-exchange efficiency; and the closed box-end waterproof door and ship-end waterproof door can further seal the corresponding box-end electrode head and ship-end electrode head, which can well protect the two electrode heads from rain, dust, moisture and condensation; the battery-exchange ship can be fully automatically operated and can perform battery-exchange operations in any weather environment, which improves the efficiency and safety of battery-exchange.

[0037] In summary, compared with the prior art, the beneficial effects that can be achieved by at least one of the above technical solutions adopted by the present invention include at least:

[0038] In the battery-exchanging ship of the present invention, the battery box and the ship-end bracket are butted up and down, so that during the battery-exchanging process, 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; the waterproof door linkage mechanism can be fully automatically operated and the battery-exchanging operation can be carried out in any weather environment, and the synchronous opening and closing of the ship-end waterproof door and the box-end waterproof door can be achieved through the mutual cooperation of the protruding parts and the matching parts of the linkage assembly, thereby avoiding that the ship-end waterproof door and the box-end waterproof door are not opened or closed synchronously, resulting in one of the ship-end electrode head or the box-end electrode head being exposed for too long and being disturbed and eroded by dust, rainwater, etc., and resulting in a long battery-exchanging time, thereby affecting the battery-exchanging efficiency ; Through the floating part and the second sensor set by the limit component, the driving component can be controlled to stop working only after the second sensor senses the second sensing part, ensuring that the ship-end waterproof door and the box-end waterproof door have completely entered the corresponding open position and closed position, ensuring the safety and stability of docking; through the first limit block, the box-end waterproof door contacts the first limit block, so that the linkage component can no longer drive the ship-end waterproof door or the box-end waterproof door to move; the first sensor and the first sensing part are used to limit the extreme position of the movement of the entire ship-end waterproof door, playing a role in extreme displacement safety protection; through the accordion cover and protective shell structure, the internal structure such as the limit component is isolated from the external environment to avoid corrosion and rust. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0040] Figure 1 This is an exploded view of the battery box in this application when it is docked with the ship end bracket;

[0041] Figure 2 This application Figure 1 Enlarged view of middle I;

[0042] Figure 3 It is a three-dimensional diagram of the structural part of the linkage assembly in this application;

[0043] Figure 4 It is a stereogram related to the ship end waterproof door in this application;

[0044] Figure 5 It is a stereogram from another perspective related to the ship end waterproof door in the present application;

[0045] Figure 6It is an exploded view of the ship end waterproof door and the drive assembly part in this application;

[0046] Figure 7 It is a stereoscopic view of the ship end waterproof door and the limit assembly part in this application;

[0047] Figure 8 is a three-dimensional diagram of the limiting component part inside the protective shell in the present application;

[0048] Fig. 9 It is an exploded view related to the floating parts in this application;

[0049] Fig.10 It is a schematic diagram of the structure related to the floating member in this application;

[0050] Fig.11 is a perspective view of a drive assembly in the present application;

[0051] Fig.12 is a three-dimensional diagram of the battery box in the present application;

[0052] Fig.13 It is a three-dimensional diagram of the box end waterproof door and the matching parts in this application;

[0053] Fig.14 It is an exploded view of the box end waterproof door and the matching parts in this application;

[0054] Fig.15 It is an exploded view of the box end waterproof door and the box end return spring in this application;

[0055] Fig.16 It is a partial structural schematic diagram of the sealing ring in this application;

[0056] Among them, the corresponding component names of the various reference numerals in the figure are:

[0057] 1. Waterproof door at box end; 101. Position limiter; 102. Hook hole; 103. First folding edge;

[0058] 2. Battery box; 201. Door opening limit block; 202. Door closing limit block; 203. Box support plate; 204. Second guide unit; 205. Box end electrode head; 206. First mounting plate;

[0059] 3. Ship-end waterproof door; 301. First fixing plate; 302. Second fixing plate; 303. Door opening limit sensor; 304. Door closing limit sensor; 305. Connecting rod; 306. Second folding edge; 307. First guide unit; 308. Protective shell; 309. First accordion cover; 310. Second mounting plate; 311. Second accordion cover;

[0060] 4. Ship end bracket; 401. Ship end electrode head; 402. Door opening limit bracket; 403. Door closing limit bracket; 404. Sealing ring; 405. Bracket plate; 406. Horizontal groove; 407. Connecting seat; 408. Annular O-ring; 409. Sealing ring; 410. Matching cavity; 411. Buffer spring;

[0061] 5. Driving assembly; 501. Connecting plate; 502. Floating member; 503. First elastic body; 504. Second elastic body; 505. Door opening detection bracket; 506. Door closing detection bracket; 507. Motor; 508. First sensor; 509. Screw seat; 510. Screw; 511. Wire slot; 5011. Horizontal plate; 5012. Vertical plate;

[0062] 6. Linkage assembly; 601. Protruding part; 602. Matching part; 603. Door opening flange; 604. Door closing flange. DETAILED DESCRIPTION

[0063] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0064] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation methods, 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 application. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0065] 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 application, 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 this device and / or practice this method.

[0066] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The drawings only show components related to the present application rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0067] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the examples can be practiced without these specific details.

[0068] Combination Figure 1-Figure 3 As shown, the present application provides a waterproof door linkage mechanism, comprising: a box-end waterproof door 1, a ship-end waterproof door 3 and a linkage assembly 6; wherein the box-end waterproof door 1 can be slidably installed on the bottom of the battery box 2, and is used to open or close the box-end electrode head 205 of the battery box 2; the ship-end waterproof door 3 can be slidably installed on the upper surface of the ship-end bracket 4, and is used to open or close the ship-end electrode head 401 of the ship-end bracket 4; the linkage assembly 6 includes a protruding piece 601 and a matching piece 602, one of the protruding piece 601 and the matching piece 602 is arranged on the ship-end waterproof door 3, and the other is arranged on the box-end waterproof door 1, and the protruding piece 601 and the matching piece 602 can cooperate with each other to enable the ship-end waterproof door 3 and the box-end waterproof door 1 to be opened or closed synchronously.

[0069] like Figure 1 As shown, after the battery box 2 is completely docked and placed on the ship-end bracket 4, the two waterproof doors are opened synchronously through the linkage assembly 6 of the waterproof door linkage mechanism. At this time, the ship-end electrode head 401 can be controlled to move upward to achieve docking and power exchange with the box-end electrode head 205.

[0070] In one example, if Figure 3 and Fig.14 As shown, the box end waterproof door 1 is approximately C-shaped as a whole.

[0071] The difference between the embodiments of this specification and the prior art is that Fig.12As shown, the box-end waterproof door 1 is movably arranged at the bottom of the battery box 2, and the battery box 2 is docked at the bottom for battery replacement. The battery box 2 and the ship-end bracket 4 are docked up and down, and then during the battery replacement process, the battery box 2 is always above the ship-end bracket 4, so that the box-end electrode head 205 and the ship-end electrode head 401 can be protected by the battery box 2 body, especially in rainy weather, and can avoid rainwater invasion. In addition, the ship-end waterproof door 3 and the box-end waterproof door 1 are opened or closed synchronously through the waterproof door linkage mechanism, so as to avoid the ship-end electrode head or the box-end electrode head being exposed for too long due to the asynchronous opening or closing process of the ship-end waterproof door and the box-end waterproof door, and being disturbed and eroded by dust, rainwater, etc., and causing a long battery replacement time to affect the battery replacement efficiency; the ship-end waterproof door 3 is sealed and covered on the ship-end electrode head 401, and the box-end waterproof door 1 is sealed and covered on the box-end electrode head 205, so that the two electrode heads can be protected from rain, dust, moisture and condensation.

[0072] It should be pointed out that the protruding piece 601 can be configured on the ship-end waterproof door 3 (in this case, the matching piece 602 is correspondingly arranged on the box-end waterproof door 1), and the protruding piece 601 can also be configured on the box-end waterproof door 1 (in this case, the matching piece 602 is correspondingly arranged on the ship-end waterproof door 3), as long as the synchronous opening or closing of the ship-end waterproof door 3 and the box-end waterproof door 1 is ultimately achieved.

[0073] In one example, if Figure 3 , Figure 4 and Fig.13 As shown, the protruding member 601 is arranged on the ship end waterproof door 3, and the matching member 602 is correspondingly arranged on the box end waterproof door 1.

[0074] In the embodiments of this specification, Figure 1 As shown, the vertical docking direction of the battery box 2 and the ship end bracket 4 is the Z axis direction, the sliding direction of the box end waterproof door 1 and the ship end waterproof door 3 is the X axis direction, and the horizontal direction perpendicular to the X axis is the Y axis direction.

[0075] In some embodiments, Figure 4 , Figure 5 and Fig.11 As shown, the waterproof door linkage mechanism also includes a driving component 5 and a connecting plate 501. The driving component 5 is arranged on the lower surface of the ship end bracket 4. The connecting plate 501 is connected between the driving component 5 and the ship end waterproof door 3, so that the driving component 5 can drive the ship end waterproof door 3 to move through the connecting plate 501, and then the linkage component 6 can drive the box end waterproof door 1 to move with the ship end waterproof door 3. Driven by the driving component 5, the ship end waterproof door 3 and the box end waterproof door 1 can be opened and closed synchronously, and the whole process does not require human intervention, thereby improving the efficiency and safety of battery replacement. Figure 4 and Figure 5The driving assembly 5 is arranged on the lower surface of the ship end bracket 4, so that during the entire sliding process of the ship end waterproof door 3 along the sliding direction (X-axis direction), it is ensured that its driving assembly 5 and the connecting plate 501 will not interfere with the sliding of the ship end waterproof door 3, and will not affect the docking of the ship end electrode head 401 and the box end electrode head 205.

[0076] like Figure 5 and Fig.11 As shown, the drive assembly 5 includes a motor 507, which transmits power to the connecting plate 501 through a transmission mechanism. The transmission mechanism can be a gear rack transmission structure, a pulley transmission structure, or a screw seat transmission structure, and the purpose is to achieve linear movement of the connecting plate 501.

[0077] In one example, if Figure 5 and Fig.11 As shown, the driving assembly 5 also includes a screw rod 510 connected to the motor 507, and the connecting plate 501 includes a horizontal plate 5011 and a vertical plate 5012. The horizontal plate 5011 is connected to the screw rod 510 through a screw rod seat 509. The screw rod seat 509 is sleeved on the screw rod 510 and can move relative to the screw rod 510 when the motor 507 drives the screw rod 510 to rotate, thereby driving the connecting plate 501 to move.

[0078] like Figure 5 As shown, the ship end bracket 4 includes a bracket plate 405, and the driving assembly 5 is arranged on the lower surface of the bracket plate 405. The upper surface of the bracket plate 405 of the ship end bracket 4 is provided with a horizontal groove 406 extending along the moving direction of the ship end waterproof door 3 for the vertical plate 5012 to move along it. The vertical plate 5012 is a thin-walled plate structure, and the horizontal groove 406 plays a role in avoiding the vertical plate 5012.

[0079] Of course, in other embodiments, the motor 507 can also realize the movement of the connecting plate 501 through other transmission structures, such as a gear rack transmission structure.

[0080] In some embodiments, Figure 6As shown, the waterproof door linkage mechanism also includes a first guide unit 307 and a first sensing element. The first guide unit 307 is arranged on both sides of the ship end electrode head 401 along the length direction or the width direction of the ship end electrode head 401. The first guide unit 307 is connected to the ship end waterproof door 3 to guide the ship end waterproof door 3 to move. The first guide unit 307 allows the ship end waterproof door 3 to slide back and forth along a predetermined route to improve the movement efficiency and reliability of the ship end waterproof door 3; the first sensing element is respectively arranged at both ends of the first guide unit 307 along the moving direction of the ship end waterproof door 3 and corresponds to the open limit position or the closed limit position (the first sensing element does not produce relative displacement). The ship end waterproof door 3 is provided with a first sensor 508 on one side along its moving direction, so that after the first sensor 508 senses the first sensing element, the ship end waterproof door 3 is controlled to stop moving. The first sensing element and the first sensor 508 are used to limit the limit position of the ship end waterproof door 3, so that it has a limit displacement safety protection function.

[0081] In the above embodiment, the entire waterproof door linkage mechanism can control the shutdown of the driving assembly 5 by sensing the first sensing member through the first sensor 508. In this embodiment, the first sensing member corresponds to the door opening limit position or the closing limit position. Of course, if the entire waterproof door linkage mechanism is not equipped with a second sensor, it can control the shutdown of the driving assembly 5 through the first sensing member and the first sensor 508.

[0082] like Figure 5 As shown, in one example, the first sensing component specifically includes a door opening limit position bracket 402 and a door closing limit position bracket 403, both of which are arranged on the lower surface of the ship end bracket 4 and will not interfere with the movement of the ship end waterproof door 3; the door opening limit position bracket 402 is arranged on the side away from the ship end electrode head 401, and the door closing limit position bracket 403 is correspondingly arranged on the side close to the ship end electrode head 401.

[0083] Among them, Figure 6 and Fig.11 As shown, the first sensor 508 is arranged on the horizontal plate 5011 and is arranged upward to sense the first sensing member, and the vertical plate 5012 extends upward from one end of the horizontal plate 5011 through the upper surface of the ship end bracket 4 and is connected to one side of the ship end waterproof door 3; during the entire sliding process of the ship end waterproof door 3 along the sliding direction, it is ensured that its driving component 5 and the connecting plate 501 will not interfere with the sliding of the ship end waterproof door 3, and will not affect the docking of the ship end electrode head 401 and the box end electrode head 205.

[0084] It should be pointed out that the configuration of the first guide unit 307 is not limited, as long as it can guide the sliding of the ship-end waterproof door 3. It can be a slide rail and slider structure or other structures such as an optical axis guide.

[0085] In one example, if Figure 6As shown, the first guide unit 307 is specifically a linear slide rail installed on the bracket plate 405 of the ship end bracket 4, and the ship end waterproof door 3 is slidably installed on the ship end waterproof door 3; Figure 2 As shown, the first guide units 307 are arranged on both sides of the ship end electrode head 401 along the Y-axis direction, and the first guide units 307 are parallel to the length direction of the ship end electrode head 401.

[0086] In some preferred embodiments, Figure 7-Figure 10 As shown, the waterproof door linkage mechanism also includes a limit assembly, which includes a second sensor, a floating member 502 and a second sensing member. There are two second sensors, which are arranged at intervals on one side of the ship-end waterproof door 3 along the moving direction of the ship-end waterproof door 3. The floating member 502 is connected to the ship-end waterproof door 3 and can float between the two second sensors. The floating member 502 is connected to the connecting plate 501 and can drive the ship-end waterproof door 3 to move under the drive of the driving member 5. There are two second sensing members, which are respectively arranged on the side wall of the floating member 502 corresponding to the second sensors. After any second sensor senses the corresponding second sensing member, the driving member 5 is controlled to stop driving the ship-end waterproof door 3 to move. The floating member 502 is installed at the side end of the ship end waterproof door 401 in a floating connection manner. When the driving component 5 drives the ship end waterproof door 401 to slide through the connecting plate 501 and the floating member 502, when one of the second sensors senses the corresponding second sensing member on the same side, the driving component 5 stops moving, which indicates that the ship end waterproof door 401 has completed the opening or closing action, thereby preventing the driving component 5 from continuing to drive and causing excessive movement of the ship end waterproof door 401 and causing damage.

[0087] In this embodiment, on the basis of the first sensor and the first induction element, a second sensor and a second induction element are provided to achieve double assurance, so that the control of the drive assembly 5 is more reliable, and the safety and reliability of the entire waterproof door linkage mechanism are improved, thereby ensuring the safety and reliability of the ship's power replacement process.

[0088] It should be pointed out that in this embodiment, the drive assembly 5 is shut down by sensing signals through the two second sensors, ensuring that the two waterproof doors have completely entered the open position or the closed position, and performing subsequent operations such as electrode head docking (in this embodiment, if the second sensor does not receive the corresponding signal, the subsequent electrode head docking operations are not performed). At this time, the first sensor 508 will not sense the first sensing member signal during normal operation (the first sensor 508 and the first sensing member are used for displacement limit protection, and the first sensing member corresponds to the opening limit position and the closing limit position of the ship end waterproof door 3). During the opening or closing of the two waterproof doors, only when the drive assembly 5 fails to shut down normally due to situations such as the failure of the second sensor, the error in the matching of the protruding member 601 and the matching member 602, and the failure to achieve linkage, the first sensor 508 needs to be set to detect the first sensing member to control the entire drive assembly 5 to stop. Therefore, the first sensor 508 at this time can be used for limit position protection, which can be used as the first safety protection of the motor 507. In addition, the torque threshold protection can be set on the motor 507 as the second safety protection of the motor 507.

[0089] In some embodiments, when the first sensor detects that the first sensing element indicates that the second sensor has a problem such as failure, an alarm signal may be output simultaneously to inspect and repair the entire waterproof door linkage mechanism.

[0090] like Figure 7 and Figure 8 As shown, the second sensor specifically includes a door opening limit sensor 303 and a door closing limit sensor 304, and the floating member 502 is floatingly installed between the door opening limit sensor 303 and the door closing limit sensor 304; Figure 6 , Figure 7 and Fig.11 As shown, the second sensing element is fixed on the side wall of the floating element 502, and specifically includes a door opening detection bracket 505 and a door closing detection bracket 506; the door opening detection bracket 505 is arranged on a side corresponding to the door opening limit sensor 303, and the door closing detection bracket 506 is arranged on a side corresponding to the door closing limit sensor 304.

[0091] When the driving component 5 drives the ship-end waterproof door 3 to move, after the door opening limit sensor 303 of the second sensor detects the signal of the approaching door opening detection bracket 505, the driving component 5 is controlled to stop driving the ship-end waterproof door 3 to move, which indicates that the ship-end waterproof door 3 has been determined to enter the open position, and only after the second sensor receives the corresponding signal can subsequent electrical connector docking and other operations be performed; similarly, after the door closing limit sensor 304 detects the signal of the approaching door closing detection bracket 506, the driving component 5 is controlled to stop driving the ship-end waterproof door 3 to move, which indicates that the ship-end waterproof door 3 has clearly entered the closed position, and the system can now control the battery box 2 to separate upward from the ship-end bracket 4 (make sure that the box-end waterproof door 1 is sealed on the box-end electrode head 205). When the waterproof door linkage mechanism executes the door opening operation of the box-end waterproof door 1 and the ship-end waterproof door 3, the driving component 5 is shut down after the second sensor detects the corresponding second sensing element signal, and then the docking of the ship-end electrode head 401 and the box-end electrode head 205 can be controlled; before the battery box 2 is separated from the ship-end bracket 4, the two waterproof doors are clearly closed to the closed position, ensuring that the two electrode heads are isolated from the external environment, playing a role in waterproofing, rainproofing and fogproofing.

[0092] In one example, if Figure 6 and Fig.11 As shown, the door opening detection bracket 505 and the door closing detection bracket 506 of the second sensing member are fixed on the side wall of the floating member 502 through a vertical plate 5012.

[0093] In some embodiments, Fig.11 As shown, both sides of the vertical plate 5012 of the connecting plate 501 are provided with wire clamping grooves 511 for installing cables of the door opening limit sensor 303 and the door closing limit sensor 304 of the second positioning sensor.

[0094] In some embodiments, Figure 8 As shown, two oppositely arranged fixing plates are provided on one side of the ship end waterproof door 3, and the two second sensors are respectively arranged on the two fixing plates. Figure 8 As shown, the fixing plate specifically includes a first fixing plate 301 and a second fixing plate 302, the first fixing plate 301 is used to install the door opening limit sensor 303 of the second sensor, and the second fixing plate 302 is used to install the door closing limit sensor 304 of the second sensor; Figure 8-Figure 10As shown, a connecting rod 305 is passed through the two fixed plates, and a floating member 502 is sleeved on the connecting rod 305. An elastic body is provided between both ends of the floating member 502 and the fixed plate on the corresponding side, so that the driving component 5 can drive the floating member 502 and the ship-end waterproof door 3 to move synchronously in the process of driving the connecting plate 501 to move, and then the linkage component 6 drives the box-end waterproof door 1 to move synchronously, until the box-end waterproof door 1 contacts the first limit block at the bottom of the battery box 2, and then the box-end waterproof door 1 and the ship-end waterproof door 3 no longer move (that is, the box-end waterproof door 1 and the ship-end waterproof door 3 have reached the designated open position or closed position), and the floating member 502 continues to move with the driving component 5 (overcoming the elastic force of the corresponding elastic body) and drives the second sensing member to move toward the second sensor on the corresponding side until the second sensor senses and controls the driving component 5 to stop driving. When the two waterproof doors are opened, after the box-end waterproof door 1 and the ship-end waterproof door 3 reach the designated open position, the second sensor will sense the corresponding second sensing element signal before shutting down the drive assembly 5, indicating that the two waterproof doors have been determined to enter the open position. Only then can the entire system perform the subsequent docking operation of the two electrode heads, ensuring that the two waterproof doors will not bump into the two electrode heads during the docking process.

[0095] It should be pointed out that before the elastic body is compressed to cause relative displacement of the floating member 502, the box-end waterproof door 1 and the ship-end waterproof door 3 have already abutted against the first limit block and have reached the open position or the closed position.

[0096] like Fig. 9 and Fig.10 As shown, the elastic body specifically includes a first elastic body 503 and a second elastic body 504 with the same structure. In this embodiment, the elastic force of the first elastic body 503 and the second elastic body 504 is the same; the first elastic body 503 is installed between the first fixing plate 301 and the floating member 502, and the second elastic body 504 is installed between the second fixing plate 302 and the floating member 502. The connecting rod 305 is fixed between the first fixing plate 301 and the second fixing plate 302 by a gasket and a nut.

[0097] like Fig.10As shown, at this time, the floating member 502 is in the middle position of the connecting rod 305 (basically in the center state during operation, and only after the two waterproof doors abut against the first limit block, the driving component 5 will drive the floating member 502 to cause relative displacement). In the process that the ship-end waterproof door 3 synchronously drives the box-end waterproof door 1 to open, the driving component 5 drives the ship-end waterproof door 3 to open through the connecting plate 501, the floating member 502, the elastic body and the fixing plate, and synchronously drives the box-end waterproof door 1 to open through the linkage component 6 until it reaches the opened position. The setting of the positioning block stops the two waterproof doors from moving. At this time, the driving assembly 5 will continue to drive the floating part 502 to move closer to the first fixed plate 301 (overcoming the elastic force of the first elastic body 503 to compress it) until the door opening limit sensor 303 of the second sensor senses the door opening detection bracket 505 of the second sensor to stop the movement of the entire driving assembly 5, indicating that the two waterproof doors have been fully opened. At this time, the system can control the ship end electrode head 401 of the ship end bracket 4 to extend and dock with the box end electrode head 205 of the battery box 2 to complete the electrical connection.

[0098] On the contrary, when the box-end electrode head 205 is disengaged from the ship-end electrode head 401, the driving assembly 5 and the linkage assembly 6 synchronously drive the two waterproof doors to reset and cover the two electrode heads accordingly. After the two waterproof doors are reset to the initial closed position, the two waterproof doors no longer move due to the setting of the first limit block. The driving assembly 5 continues to drive the floating member 502 to move closer to the second fixed plate 302 on the other side (overcoming the elastic force of the second elastic body 504 to compress it) until the corresponding second sensor's closing limit sensor 304 senses the closing detection bracket 506 of the second sensing member on this side and stops the entire driving assembly 5 from moving, indicating that the two waterproof doors have been completely sealed and covered on the corresponding electrode heads. Only then can the entire battery box 2 be disengaged from the ship-end bracket 4 (make sure that the box-end waterproof door 1 at the bottom of the battery box 2 after detachment is a sealed cover covering the box-end electrode head 205).

[0099] In some embodiments, Figure 4As shown, a protective shell 308 connected to the ship-end waterproof door 3 is provided above the limiting assembly, and the protective shell 308 isolates the limiting mechanism in the protective shell 308 from the external environment; both ends of the protective shell 308 along the moving direction of the ship-end waterproof door 3 are provided with a first accordion cover 309 covering the horizontal groove 406, and the first accordion covers 309 at both ends of the protective shell 308 can be extended and retracted with the movement of the protective shell 308 so that the protective shell 308 always covers the horizontal groove 406 during the movement of the ship-end waterproof door 3, and the first accordion cover 309 can be used to prevent dust and rain. By setting the protective shell 308 to isolate the limiting mechanism from the external environment, and by setting the first accordion cover 309 to isolate the horizontal groove 406 from the external environment, the limiting mechanism and the electrical components in the ship-end bracket 4 can be isolated and protected, so as to avoid problems such as moisture and rust that affect the service life. At the same time, the first accordion cover 309 can always cover the horizontal groove 406 without affecting the movement of the driving component 5 driving the connecting plate 501, the ship end waterproof door 3, etc., to prevent rainwater, dust, etc. from falling into the ship end bracket 4 through the horizontal groove 406 and affecting the function and service life of the ship end bracket 4.

[0100] In some embodiments, Figure 3 and Fig.13 As shown, there are two matching pieces 602, which are arranged at both ends of the box end waterproof door 1 in a direction perpendicular to the moving direction of the box end waterproof door 1, and there are two protruding pieces 601, and the corresponding matching pieces 602 are arranged on the ship end waterproof door 3. The matching pieces 602 and the protruding pieces 601 are matched one by one, thereby improving the reliability of the matching between the two, so that the ship end waterproof door 3 and the box end waterproof door 1 are subjected to balanced forces on both sides and move smoothly.

[0101] In one example, Figure 3 and Fig.13 As shown, the fitting 602 includes two door opening flanges 603 and door closing flanges 604 extending along the Y axis, and an open groove is formed between the two flanges; Figure 7 As shown, the protruding piece 601 is arranged on the ship end waterproof door 3, and the protruding piece 601 is extended into the opening groove of the matching piece 602 to realize linkage cooperation, which is used to synchronously drive the movement of the ship end waterproof door 3 and the box end waterproof door 1.

[0102] The matching piece 602 and the extending piece 601 can be integrally arranged on the box end waterproof door 205 and the ship end waterproof door 401, or can be fixed to the corresponding box end waterproof door 205 and the ship end waterproof door 401 by bolts, which is convenient for replacement and maintenance. In one example, the matching piece 602 and the extending piece 601 are both fixed to the corresponding box end waterproof door 1 and the ship end waterproof door 3 by bolts, which is also convenient for disassembly and replacement. In other embodiments, the matching piece 602 can also be set as a hole structure, as long as it is convenient for the extending piece 601 to extend into and achieve matching.

[0103] In some embodiments, Figure 4 As shown, the end of the protruding piece 601 away from the ship-end waterproof door 3 is set to be conical or have an inclined surface, and its cross-sectional area gradually increases from the end away from the ship-end waterproof door 3 to the end close to the ship-end waterproof door 3 to guide the protruding piece 601 to extend into the matching piece 602 to achieve matching, so as to facilitate guiding the protruding piece 601 to cooperate with the matching piece 602 to achieve linkage.

[0104] In some embodiments, Fig.13 As shown, the waterproof door linkage mechanism also includes a second guide unit 204 and a first limit block. The second guide unit 204 corresponds to the first guide unit 307. The second guide unit 204 is arranged on both sides of the box end electrode head 205. The second guide unit 204 is connected to the box end waterproof door 1 to guide the box end waterproof door 1 to move along the length direction or width direction of the box end electrode head 205. The first limit block is respectively arranged at both ends of the second guide unit 204 along the moving direction of the box end waterproof door 1 and corresponds to the open position and the closed position respectively, so that after the box end waterproof door 1 contacts the first limit block, the linkage assembly 6 can no longer drive the ship end waterproof door 3 or the box end waterproof door 1 to move. This embodiment is equipped with a first limit block to limit the open position and the closed position of the two waterproof doors, so that the position of the box-end waterproof door 1 when it is synchronously opened or synchronously closed is determined, thereby avoiding the box-end waterproof door 1 not being opened properly when opened and failing to achieve electrical connection between the box-end electrode head 205 and the ship-end electrode head 401, and avoiding excessive sliding of the box-end waterproof door 1 when closed, thereby affecting the protection of the box-end electrode head 205.

[0105] It should be pointed out that the second guide unit 204 is used to guide the movement of the box-end waterproof door 1, so that the box-end waterproof door 1 can slide back and forth along a predetermined route to improve the movement efficiency and reliability of the box-end waterproof door 1; the setting method of the second guide unit 204 is not limited, as long as it can guide the sliding of the box-end waterproof door 1, it can be a slide rail slider structure or other structures such as an optical axis guide.

[0106] In one example, if Fig.13As shown, the second guide unit 204 is a slide rail structure, and the second guide unit 204 is installed on the box support plate 203 at the bottom of the battery box 2, and is used to guide the box end waterproof door 1 to move along the length direction of the box end electrode head 205. The first limit block specifically includes a door opening limit block 201 and a door closing limit block 202, which are used to limit the opening position and the closing position of the two waterproof doors (after the box end waterproof door 1 touches the first limit block, the driving component 5 at this time is in an unclosed state and will continue to drive the ship end waterproof door 3. At this time, the ship end waterproof door 3 does not move, and the floating member 502 produces a relative displacement. The driving component 5 can only be closed after the second sensor detects a signal, indicating that the two waterproof doors have been confirmed to stop at the opening position or the closing position. Only then can the entire system perform subsequent electrode head docking or the battery box 2 and the ship end bracket 4 are completely separated. The position of the box end waterproof door 1 when it is synchronously opened or closed is fixed, and the two electrode heads will not bump into the two waterproof doors when docking, which is safe and reliable to use.

[0107] In some embodiments, Figure 7 As shown, at least one end of the ship end waterproof door 3 along its moving direction is provided with a second folded edge 306, and the second folded edge 306 extends upward from the edge of the ship end waterproof door 3, so that the ship end waterproof door 3 can avoid interference with the ship end electrode head 401 and its surrounding structures during movement, thereby affecting the life of the ship end electrode head 401. Figure 2 , Figure 4 , Figure 6 and Fig.16 As shown, the ship end bracket 4 is provided with a sealing ring 404 above the ship end electrode head 401, and the sealing ring 404 has a certain elastic deformation capability. Fig.16 The sealing ring 404 is fixed on the bracket plate 405 of the ship end bracket 4 through the connecting seat 407. The sealing ring 404 includes an annular O-ring 408 and an open sealing ring 409 arranged on the annular O-ring 408. The annular O-ring 408 and the sealing ring 409 have elastic deformation capabilities.

[0108] In a preferred embodiment, the height of the sealing ring 409 in the Z-axis direction is not lower than the height of the lower end surface of the ship-end waterproof door 3, so that when the ship-end waterproof door 3 is closed, the lower end surface of the ship-end waterproof door 3 can form a good contact seal with the sealing ring 404, ensuring that the ship-end electrode head 401 can be sealed and isolated from the external environment.

[0109] In some preferred embodiments, Figure 4 and Figure 6As shown, the two ends of the first guide unit 307 are respectively provided with a second mounting plate 310, and the edges of the two ends of the ship-end waterproof door 3 along the moving direction thereof and the second mounting plates 310 on the corresponding sides are both provided with a second accordion cover 311 covering the top of the first guide unit 307, and the second accordion covers 311 at both ends of the ship-end waterproof door 3 can be extended and retracted with the movement of the ship-end waterproof door 3 so that the second guide unit 204 is always covered during the movement of the ship-end waterproof door 3. In this embodiment, the second accordion cover 311 is correspondingly installed between the two second mounting plates 310 to cover the entire first guide unit 307 (slide rail) to isolate it from the external environment, so that the first guide unit 307 is not affected by the humid environment, does not cause rust and other problems, and improves the service life of the first guide unit 307.

[0110] In some embodiments, Fig.13 and Fig.14 As shown, the box-end waterproof door 1 is provided with a first folded edge 103 at at least one end along its moving direction, and the first folded edge 103 extends downward from the edge of the box-end waterproof door 1, so that the box-end waterproof door 1 avoids interference with the box-end electrode head 205 and its surrounding structures during movement, thereby affecting the life of the box-end electrode head 205.

[0111] In a preferred embodiment, a seal having the same structural principle as the sealing ring 404 is installed on the periphery of the box-end electrode head 205, and the lower end surface of the seal is not higher than the upper end surface of the box-end waterproof door 1 in the Z-axis direction, ensuring that the seal of the box-end waterproof door 1 can seal against the box-end waterproof door 1 to form a contact seal when the box-end waterproof door 1 is closed, thereby isolating the box-end electrode head 205 from the external environment.

[0112] In some preferred embodiments, Fig.13 As shown, a first mounting plate 206 is provided at one end of the second guide unit 204, and a limiting member 101 is connected between the first mounting plate 206 and the box end waterproof door 1, so that the box end waterproof door 1 remains in a closed state close to the first mounting plate 206 when not driven by the linkage assembly 6.

[0113] like Fig.13 and Fig.15 As shown, the first mounting plate 206 is arranged on one side of the door closing limit block 202, and the limit member 101 is a spring, one end of which is hooked on the first mounting plate 206, and the other end is hooked on the hook hole 102 of the box end waterproof door 1; the limit member 101 always provides a force for the box end waterproof door 1 to move toward the first mounting plate 206, ensuring that the box end waterproof door 1 can always be in a closed state when it is not subjected to the force of the linkage component 6, so that the box end electrode head 205 is always closed when it is not electrically connected to the ship end electrode head 401, thereby protecting the box end electrode head 205.

[0114] Based on the same inventive concept, an embodiment of the present specification also provides a battery-exchange ship, comprising a hull, a battery box 2, and a waterproof door linkage mechanism as described in any of the aforementioned embodiments, a ship end bracket 4 for carrying the battery box 2 is provided on the hull, a ship end electrode head 401 is provided in the ship end bracket 4 facing upward, and a box end electrode head 205 is provided at the bottom of the battery box 2 facing downward, when the battery-exchange ship is exchanging batteries, the box end electrode head 205 is electrically disconnected from the ship end electrode head 401, and the waterproof door linkage mechanism synchronously closes the box end waterproof door 1 and the ship end waterproof door 3 to protect the box end electrode head 205 and the ship end electrode head 401, so that the battery box 2 can be detached from the ship end bracket 4; when the battery box 2 is installed on the ship end bracket 4, the waterproof door linkage mechanism synchronously opens the box end waterproof door 1 and the ship end waterproof door 3 so that the box end electrode head 205 is electrically connected to the ship end electrode head 401 to provide power for the battery-exchange ship.

[0115] like Figure 1 and Figure 2 As shown, the battery-swapping ship adopts the bottom battery-swapping mode, and the ship-end bracket 4 is provided with a matching cavity 410 that can match the battery box 2; the matching cavity 410 is arranged upward, and the matching cavity 410 is provided with a buffer spring 411 that can contact the battery box 2 to play a buffering role. After the battery box 2 is docked and matched with the ship-end bracket 4, the waterproof door linkage mechanism synchronously opens the box-end waterproof door 1 and the ship-end waterproof door 3, and the ship-end electrode head 401 extends upward and automatically docks with the box-end electrode head 205. The ship-end bracket 4 of the battery-swapping ship is in a top-to-bottom docking relationship, and then during the battery-swapping process, since the battery box 2 is always above the ship-end bracket 4, the box-end electrode head 205 and the ship-end electrode head 401 can be protected by the battery box 2 body, especially in rainy weather, they can avoid the invasion of rainwater; the waterproof door linkage mechanism can realize the synchronous opening or closing of the ship-end waterproof door 3 and the box-end waterproof door 1, thereby avoiding the ship-end electrode head due to the asynchronous opening or closing process of the ship-end waterproof door 3 and the box-end waterproof door 1. One of the electrode heads 401 or 205 at the box end is exposed for too long and is disturbed and eroded by dust, rain, etc., resulting in a long battery replacement time, which affects the battery replacement efficiency; and the closed box end waterproof door 1 and the ship end waterproof door 3 can further seal the corresponding box end electrode head 205 and the ship end electrode head 401, which can well protect the two electrode heads from rain, dust, moisture and condensation. The battery replacement ship can be fully automatically operated and can perform battery replacement operations in any weather environment, which improves the battery replacement efficiency and safety.

[0116] In this specification, the same or similar parts between the various embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the embodiments described later, the description is relatively simple, and the relevant parts can be referred to the partial description of the previous embodiments.

[0117] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A waterproof door linkage mechanism, characterized in that: include: A box end waterproof door, slidably mounted at the bottom of the battery box, for opening or closing the box end electrode head of the battery box; A ship end waterproof door, slidably mounted on the upper surface of the ship end bracket, for opening or closing the ship end electrode head of the ship end bracket; The linkage assembly includes a protruding piece and a matching piece, wherein one of the protruding piece and the matching piece is arranged on the ship end waterproof door, and the other is arranged on the box end waterproof door, and the protruding piece and the matching piece can cooperate with each other so that the ship end waterproof door and the box end waterproof door can be opened or closed synchronously.

2. The waterproof door linkage mechanism according to claim 1, characterized in that: The waterproof door linkage mechanism also includes a driving assembly and a connecting plate, wherein the driving assembly is arranged on the lower surface of the ship end bracket, and the connecting plate is connected between the driving assembly and the ship end waterproof door, so that the driving assembly can drive the ship end waterproof door to move through the connecting plate, and then the linkage assembly can drive the box end waterproof door to move with the ship end waterproof door.

3. The waterproof door linkage mechanism according to claim 2, characterized in that: The waterproof door linkage mechanism also includes a first guide unit and a first sensing element. The first guide unit is arranged on both sides of the ship end electrode head along the length direction or the width direction of the ship end electrode head. The first guide unit is connected to the ship end waterproof door to guide the movement of the ship end waterproof door. The first sensing element is respectively arranged at both ends of the first guide unit along the moving direction of the ship end waterproof door and corresponds to the open door limit position or the closed door limit position respectively. The ship end waterproof door is provided with a first sensor on one side along its moving direction, so that after the first sensor senses the first sensing element, the ship end waterproof door is controlled to stop moving.

4. The waterproof door linkage mechanism according to claim 3, characterized in that: The waterproof door linkage mechanism also includes a second guide unit and a first limit block, the second guide unit corresponds to the first guide unit and is arranged on both sides of the box end electrode head, the second guide unit 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 first limit block is respectively arranged at both ends of the second guide unit along the moving direction of the box end waterproof door and corresponds to the open position and the closed position respectively, so that after the box end waterproof door contacts the first limit block, the linkage assembly can no longer drive the ship end waterproof door or the box end waterproof door to move.

5. The waterproof door linkage mechanism according to claim 4, characterized in that: The waterproof door linkage mechanism also includes a limit assembly, which includes a second sensor, a floating member and a second sensing member. There are two second sensors, which are arranged at intervals on one side of the ship-end waterproof door along the moving direction of the ship-end waterproof door. The floating member is connected to the ship-end waterproof door and can float between the two second sensors. The floating member is connected to the connecting plate and can drive the ship-end waterproof door to move under the drive of the driving member. There are two second sensing members, which are spaced corresponding to the second sensors and are arranged on the side wall of the floating member. After any one of the second sensors senses the corresponding second sensing member, the driving member is controlled to stop driving the ship-end waterproof door to move. Among them, two relatively arranged fixed plates are provided on one side of the ship-end waterproof door, and two second sensors are respectively arranged on the two fixed plates. A connecting rod is passed through the two fixed plates, and the floating member is sleeved on the connecting rod and elastic bodies are arranged between the two ends of the floating member and the fixed plate on the corresponding side, so that the driving component can drive the floating member and the ship-end waterproof door to move synchronously in the process of driving the connecting plate to move, and then the linkage component drives the box-end waterproof door to move synchronously until the box-end waterproof door contacts the first limit block on the battery box and the box-end waterproof door and the ship-end waterproof door no longer move, and the floating member continues to move with the driving component to drive the second sensing member to move toward the second sensor on the corresponding side until it is sensed by the second sensor to control the driving component to stop driving.

6. The waterproof door linkage mechanism according to claim 5, characterized in that: The driving assembly includes a motor and a screw connected to the motor, the connecting plate includes a horizontal plate and a vertical plate, the horizontal plate is connected to the screw through a screw seat, the screw seat is sleeved on the screw and can move relative to the screw when the motor drives the screw to rotate to drive the connecting plate to move, the first sensor is arranged on the horizontal plate and is arranged upward to sense the first sensing member, the vertical plate extends upward from one end of the horizontal plate through the upper surface of the ship end bracket and is connected to a side of the floating member away from the ship end waterproof door; and / or, the upper surface of the ship end bracket is provided with a horizontal groove extending along the moving direction of the ship end waterproof door for the vertical plate to move along it, a protective shell connected to the ship end waterproof door is provided above the limiting assembly, and the first accordion cover covering the upper part of the horizontal groove is provided at both ends of the protective shell along the moving direction of the ship end waterproof door, and the first accordion cover at both ends of the protective shell can be extended and retracted with the movement of the protective shell so that the protective shell always covers the horizontal groove during the movement of the ship end waterproof door.

7. The waterproof door linkage mechanism according to claim 1, characterized in that: There are two matching pieces, which are arranged at both ends of the box end waterproof door along a direction perpendicular to the moving direction of the box end waterproof door; there are two protruding pieces, corresponding matching pieces are arranged on the ship end waterproof door; and / or, the end of the protruding piece away from the ship end waterproof door is set to a cone or has an inclined surface, and its cross-sectional area gradually increases from the end away from the ship end waterproof door to the end close to the ship end waterproof door so as to guide the protruding piece to extend into the matching piece to achieve matching.

8. The waterproof door linkage mechanism according to claim 4, characterized in that: A first folded edge is provided at at least one end of the box end waterproof door along its moving direction, and the first folded edge extends downward from the edge of the box end waterproof door; and / or, a first mounting plate is provided at one end of the second guide unit, and a limiting member is connected between the first mounting plate and the box end waterproof door, so that the box end waterproof door remains in a closed state close to the first mounting plate when not driven by the linkage assembly.

9. The waterproof door linkage mechanism according to claim 3, characterized in that: At least one end of the ship end waterproof door along its moving direction is provided with a second folded edge, and the second folded edge extends upward from the edge of the ship end waterproof door; and / or, second mounting plates are respectively provided at both ends of the first guide unit, and second accordion covers covering the top of the first guide unit are provided between the edges of both ends of the ship end waterproof door along its moving direction and the second mounting plates on the corresponding sides, and the second accordion covers at both ends of the ship end waterproof door can be extended and retracted with the movement of the ship end waterproof door so that the first guide unit is always covered during the movement of the ship end waterproof door.

10. A battery-exchange ship, comprising a hull, a battery box and a waterproof door linkage mechanism according to any one of claims 1 to 9, characterized in that: The hull is provided with a ship end bracket for carrying the battery box, the ship end bracket has an upwardly arranged ship end electrode head, and the bottom of the battery box has a downwardly arranged box end electrode head. When the battery swapping ship is swapping batteries, the box end electrode head is electrically disconnected from the ship end electrode head, and the waterproof door linkage mechanism synchronously closes the box end waterproof door and the ship end waterproof door to protect the box end electrode head and the ship end electrode head, after which the battery box is detached from the ship end bracket; when the battery box is installed on the ship end bracket, the waterproof door linkage mechanism synchronously opens the box end waterproof door and the ship end waterproof door, so that the box end electrode head is electrically connected to the ship end electrode head to provide electrical energy for the battery swapping ship.

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