WO2023125641A1 - 电连接装置、电池箱以及船舶用箱式电池 - Google Patents

电连接装置、电池箱以及船舶用箱式电池 Download PDF

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Publication number
WO2023125641A1
WO2023125641A1 PCT/CN2022/142727 CN2022142727W WO2023125641A1 WO 2023125641 A1 WO2023125641 A1 WO 2023125641A1 CN 2022142727 W CN2022142727 W CN 2022142727W WO 2023125641 A1 WO2023125641 A1 WO 2023125641A1
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WO
WIPO (PCT)
Prior art keywords
electrical connection
connection device
support plate
connecting seat
battery box
Prior art date
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PCT/CN2022/142727
Other languages
English (en)
French (fr)
Inventor
张建平
陈亚东
仇丹梁
黎明
Original Assignee
奥动新能源汽车科技有限公司
上海电巴新能源科技有限公司
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Application filed by 奥动新能源汽车科技有限公司, 上海电巴新能源科技有限公司 filed Critical 奥动新能源汽车科技有限公司
Publication of WO2023125641A1 publication Critical patent/WO2023125641A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Definitions

  • the invention relates to the field of ship power exchange, in particular to an electrical connection device, a battery box and a box-type battery for ships.
  • the battery box is usually locked on the deck of the ship, that is, in an open-air environment. Therefore, the battery box is very easily affected by external factors, such as the hull is prone to shaking in the water area, and the water flow is also easy to wash into the boat or the battery box and so on. These factors lead to great challenges in the stability and safety of the electrical connection of the ship's power exchange.
  • the technical problem to be solved by the present invention is to provide an electrical connection device, a battery box and a box-type battery for ships in order to overcome the defects of easy docking failure and low docking efficiency in the prior art.
  • connection device arranged on a battery box, for electrically connecting with an external electrical connection device to realize charging and discharging of the battery box, the connection device comprising:
  • the electrical connector part is used for electrical connection with the external electrical connection device
  • a floating mechanism the floating mechanism is arranged on the battery box and is used to install the electrical connector part, and the electrical connector part is driven to move in its plane and/or along the direction of electrical connection by the floating mechanism to be connected with the electrical connector
  • the above-mentioned external electrical connection device is electrically connected.
  • the electrical connector When the electrical connection device on the battery box is docked with the external electrical connection device, the electrical connector is under pressure and floats under the action of the floating mechanism, so that the electrical connector can move within its plane and/or move along the direction of electrical connection. Alignment, so that the electrical connection device on the battery box can be aligned with the external electrical connection device, so as to facilitate the docking of the two and improve the success rate of docking.
  • the floating mechanism includes:
  • a connecting seat, the electrical connector part is fixedly connected to the connecting seat
  • the rotating mechanism connects the connection base to the battery box in rotation
  • a limit mechanism the limit mechanism is movably connected to the connecting seat, and is used to limit the rotation range of the connecting seat.
  • the rotation mechanism is used to realize the relative rotation between the connection base and the battery box; the limiter is used to limit the rotation range of the connection base, avoiding damage to the electrical connection head caused by excessive rotation of the connection base, and improving the service life of the electrical connection device .
  • the rotation angle allowed by the limit mechanism is smaller than the rotation angle allowed by the rotation mechanism.
  • the limiting mechanism includes a plurality of limiting columns, and the plurality of limiting columns are arranged around the rotating mechanism around the rotating mechanism.
  • the symmetrical arrangement makes the electrical connection device simple in structure, uniform in force and stable in operation.
  • the rotating mechanism is composed of a spherical protrusion and a spherical groove.
  • connection seat can swing in any direction and rotate relative to the battery box, which has higher flexibility and freedom; and the structure is reliable and easy to manufacture and install.
  • the floating mechanism further includes a support plate, and the floating mechanism is fixed on the battery box through the support plate;
  • the support plate has a spherical protrusion on the end surface facing the connecting seat, and the connecting seat has a spherical groove suitable for the spherical protrusion, and the spherical protrusion is compatible with the spherical groove.
  • the support plate has a spherical groove on the end surface facing the connecting seat, and the connecting seat has a spherical protrusion matching the spherical groove, and the spherical protrusion and the spherical concave After the grooves are matched, the rotational connection of the connection seat relative to the support plate is realized;
  • the opposite surfaces of the supporting plate and the connecting seat are respectively provided with spherical grooves, and the rotational connection of the connecting seat relative to the supporting plate is realized through a rotating member arranged in any of the spherical grooves.
  • the rotational connection between the connecting seat and the support plate is realized through the cooperation of the spherical protrusion and the spherical groove.
  • the spherical protrusion and the spherical groove are arranged at a certain distance.
  • the spherical protrusion and the spherical groove can be displaced along the direction of electrical connection, thereby leaving a margin of movement for the connection seat along the direction of electrical connection, avoiding the rigid collision between the two and causing damage to the electrical joints of the two.
  • the existence also allows slight position errors, and further improves the degree of freedom of the connecting seat.
  • the electrical connector further includes a rotating support, the rotating support is fixed to the side of the connecting seat facing the support plate and/or the side of the supporting plate facing the connecting seat, the spherical surface The groove is arranged on the rotating support.
  • the limiting mechanism includes a plurality of limiting columns, and both ends or any one end of the plurality of limiting columns are movably connected to the support plate and the connecting seat.
  • one end of the limiting column is fixedly connected to the support plate, and the connecting seat is provided with a limiting hole that fits in a gap with the limiting column, and the limiting column protrudes from one end of the connecting seat With limit plate.
  • the gap between the connecting seat and the limiting column leaves a space for the connecting seat to move along its plane direction, so that the electrical connection part placed on the connecting seat can be displaced along its plane direction.
  • the electrical connector further includes a reset member, the reset member is arranged between the connection seat and the support plate, and the reset member is used to provide a force for the connection seat to move away from the support plate .
  • the reset member can reset the connection seat from the floating state to the initial state, so as to facilitate the next connection of the electrical connection device.
  • the reset member is a spring sheathed on the limit post, and the reset of the connecting seat is realized by the elastic force of the spring.
  • one end of the limiting post is fixedly connected to the support plate through a mounting base, and the mounting base has a fixing portion fixedly connected to the supporting plate and a limiting convex ring sleeved on the periphery of the reset member.
  • connection between the limiting post and the support plate is realized through the fixing part, and the limiting and fixing of the reset member and the retraction and limiting of the connecting seat are realized through the limiting protruding ring.
  • an elastic member is provided between the limiting plate and the connecting seat.
  • the elastic member can be retracted when the connecting seat rotates to release the rotating space; on the other hand, it can be used as a buffer between the limiting plate and the connecting seat to avoid noise and vibration caused by contact between the connecting seat and the limiting plate.
  • the electrical connector and the floating mechanism are located inside the battery box; the floating mechanism further includes a support plate, the floating mechanism is fixed on the battery box through the support plate, and the support The periphery of the side of the plate facing the electrical connector is fixedly connected to the periphery of the inner wall of the opening of the battery box through the first sealing member. Therefore, the electrical connector is generally inside the battery box instead of protruding outside the battery box, which is beneficial to protect the electrical connector.
  • the through hole is used for cables passing through the electrical connection part, a second sealing member is arranged in the through hole, and the second sealing member is tightly sleeved on the on the cable, so as to realize the sealing between the cable and the through hole.
  • a seal between the cable and the through hole is achieved by the second seal.
  • the floating mechanism further includes a positioning structure, and the positioning structure is used to achieve guiding alignment when the electrical connector part is docked with the external electrical connection device.
  • the positioning structure is used for guiding during docking, so as to improve docking efficiency and docking success rate.
  • the positioning structure includes a positioning hole provided on the connection base, the opening of the positioning hole is located on the side of the connection base facing the electrical connector, and the positioning hole is used for connecting with an external electrical connection device. Guided alignment is achieved when the locating pins are mated.
  • the locating hole can be inserted into the locating pin from the outside to realize guiding alignment during docking.
  • the electrical connector part includes two electrical connector assemblies, and the two electrical connector assemblies are arranged symmetrically along the rotation center of the connecting base.
  • Using two electrical connector components can share the working current and avoid overheating; setting the two electrical connector components in a symmetrical arrangement in the middle can improve the docking accuracy.
  • the present invention also provides a battery box, which comprises the above-mentioned electrical connection device.
  • the battery box adopting the electrical connection device has higher docking success rate and docking efficiency.
  • the present invention also provides a box-type battery for ships, including the battery box as described above.
  • the marine box-type battery using the battery box has higher docking success rate and docking efficiency.
  • the electrical connector When the electrical connection device on the battery box is docked with the external electrical connection device, the electrical connector is under pressure and floats under the action of the floating mechanism, so that the electrical connector can move within its plane and/or move along the direction of electrical connection. Alignment, so that the electrical connection device on the battery box can be aligned with the external electrical connection device, so as to facilitate the docking of the two, and improve the success rate, efficiency and stability of the docking.
  • Fig. 1 is a perspective view of an electrical connection device in the present invention
  • Fig. 2 is the top view of electrical connection device among the present invention.
  • Fig. 3 is a cross-sectional view of plane A-A in Fig. 2;
  • Fig. 4 is the B-B plane sectional view among Fig. 2;
  • Fig. 5 is the rear view of electrical connection device among the present invention.
  • Electrical connector part 100 floating mechanism 200; connecting seat 210; limiting hole 211; rotating mechanism 220; limiting mechanism 230; spherical groove 240; rotating support 241; spherical protrusion 250; supporting plate 260; The second sealing part 262; the rotating part 270; the limit mechanism 300; the limit post 310; the limit plate 311; the mounting seat 312; piece 400; positioning hole 500.
  • an electrical connection device is provided on the battery box for electrical connection with an external electrical connection device on the ship to realize charging and discharging of the battery box.
  • the electrical connection device includes:
  • An electrical connector part 100 which is used for electrically connecting with an external electrical connection device on the ship to transmit electric energy to the ship;
  • the plane referred to here is the plane perpendicular to the direction of the electrical connection.
  • the electrical connector part 100 When the electrical connection device on the battery box is docked with the external electrical connection device on the ship, the electrical connector part 100 is under pressure and floats under the action of the floating mechanism 200, so that the electrical connector part 100 can move in its plane and/or Alignment is performed by moving along the electrical connection direction, so that the electrical connection device on the battery box can be aligned with the external electrical connection device, which facilitates the docking of the two and improves the success rate of docking.
  • the floating mechanism 200 includes a connecting seat 210 , a rotating mechanism 220 and a limiting mechanism 300 .
  • connection seat 210 is a rectangular plate, and the middle part of the connection seat 210 is fixedly connected with the electrical connector part 100 .
  • the rotating mechanism 220 rotatably connects the connection base 210 to the battery box, so that the connection base 210 can rotate relative to the battery box.
  • the limit mechanism 300 is movably connected to the connection base 210 , and the rotation angle allowed by the limit mechanism 300 is smaller than the rotation angle allowed by the rotation mechanism 220 .
  • connection base 210 can rotate within a predetermined range while maintaining the connection, and after exceeding the predetermined range, the limit mechanism 300 can limit the rotation of the connection base 210, thereby being able to control the rotation of the connection base 210.
  • the rotation range is limited so that the connection base 210 can float stably and reliably within a certain range of rotation angles. In addition, it can also prevent the cable from being damaged due to excessive rotation of the connecting seat 210, which is beneficial to improving reliability and service life.
  • the rotating mechanism 220 is composed of a spherical protrusion 250 and a spherical groove 240.
  • the connecting seat 210 can be rotated at a certain angle in any direction relative to the battery box. Swinging within a certain range and rotating relative to the battery box have a good degree of freedom, so that the connecting seat 210 can be smoothly adjusted to an appropriate connection posture to realize docking with an external electrical connection device, and the structure is reliable and easy to manufacture and install.
  • the floating mechanism 200 also includes a support plate 260, the floating mechanism 200 is fixed on the battery box through the support plate 260, and the end surface of the support plate 260 facing the connecting seat 210 has a spherical protrusion 250, the connecting seat 210 There is a spherical groove 240 matching with the spherical protrusion 250 on the top, and the spherical protrusion 250 cooperates with the spherical groove 240 to realize the rotational connection of the connecting seat 210 relative to the support plate.
  • the spherical groove 240 can also be arranged on the end surface of the support plate 260 facing the connecting seat 210, and the spherical protrusion 250 is arranged on the connecting seat 210 and fits with the spherical groove 240. .
  • the spherical protrusion 250 cooperates with the spherical groove 240 to realize the rotational connection of the connecting seat 210 relative to the support plate.
  • the supporting plate 260 and the connecting seat 210 have spherical grooves 240 on the opposite surfaces, and the rotating parts 270 in the spherical grooves 240 realize The connection base 210 is connected in rotation relative to the support plate 260 .
  • the rotating member 270 may be a spherical bearing ball, or may include a rotating body and a plurality of rollers embedded in the rotating body. At this time, the contact surface of the rotating member 270 and the spherical groove 240 constitutes the spherical protrusion 250 . Adopting such a scheme has the advantages of lower cost and higher yield than directly adopting spherical components.
  • the depth of the spherical groove 240 disposed on the end surface of the connecting base 210 is smaller than the depth of the spherical groove 240 disposed on the support plate 260 .
  • Adopting such a design can increase the distance between the connecting seat 210 and the supporting plate 260 , reserve more space for the connecting seat 210 to swing at a larger angle.
  • the larger the depth of the spherical groove 240 on the support plate 260 can better accommodate the rotating member 270, preventing the rotating member 270 from falling out.
  • the spherical protrusion 250 and the spherical groove 240 are arranged at a certain distance, and the distance is 1mm-2mm.
  • the spherical protrusion 250 and the spherical groove 240 can be displaced along the electrical connection direction to a certain extent, so that the connection seat 210 has a movable margin along the electrical connection direction, and avoids the damage of the electrical connector part 100 caused by the rigid collision between the two.
  • the existence of the gap also allows a small positional error, and further increases a degree of freedom for the connection seat 210 along the direction of electrical connection, so that the electrical connector part 100 placed on the connection seat 210 can be better transferred to the same position.
  • the matching posture of the external electrical connection device further improves the success rate of docking.
  • the electrical connector further includes a rotating support 241, the rotating support 241 is fixed on the side of the connecting seat 210 facing the support plate 260 and/or the side of the supporting plate 260 facing the connecting seat 210, and the spherical groove 240 is integrated
  • the rotating support 241 is provided on the rotating support 241, and the rotating support 241 has lugs extending to both sides, and is connected with the support plate 260 and/or the connecting seat 210 by bolts through the lugs.
  • the fixing between the spherical groove 240 and the supporting plate 260 or the connecting seat 210 is realized through the rotating support 241 .
  • the limiting mechanism 300 includes four limiting columns 310, and the four limiting columns 310 are arranged around the rotating mechanism 220 around the rotating mechanism 220, Through the symmetrical arrangement, the rotation angles of the rotation mechanism 220 in all directions can be kept basically the same, and the working stability is higher.
  • One end of the limiting post 310 is connected to the support plate 260 , and the other end is movably connected to four corners of the connecting seat 210 . In this way, without affecting the swing of the connection base 210 , the guiding and limiting of the connection base 210 along the electrical connection direction can be realized.
  • one end of the limiting post 310 may be fixedly connected to the connecting seat 210 , and the other end may be movably connected to the support plate 260 . It is also possible that both ends of the limiting column 310 are movably connected with the support plate 260 and the connecting seat 210, and the limit is prevented by a retainer sleeved on the limiting column 310 and located between the supporting plate 260 and the connecting seat 210. The post 310 is moved out of the support plate 260 or the connecting base 210 .
  • the movable connection between the limiting column 310 and the connecting seat 210 is realized in the following manner.
  • the connecting seat 210 is provided with a limiting hole 211 that is in clearance fit with the limiting column 310, and the limiting hole 211 has a pair of limiting
  • the limit of the movement of the column 310 constitutes the first heavy limit to the connection seat 210 ; the end of the limit column 310 protruding from the connection seat 210 has a limit plate 311 .
  • the limiting post 310 can move relative to the connecting seat 210 along the electrical connection direction.
  • the gap between the connecting base 210 and the limiting post 310 also leaves room for the connecting base 210 to move along its plane direction, so that the electrical connection part placed on the connecting base 210 can be displaced along its plane direction.
  • the limiting plate 311 can limit the limiting column 310 to prevent it from moving out of the limiting plate 311 .
  • the electrical connector further includes a reset member 320 disposed between the connection base 210 and the support plate 260 , and the reset member 320 is used to provide force for the connection base 210 to move away from the support plate 260 .
  • the reset member 320 can reset the connection base 210 from the floating state to the initial state, so as to ensure the next connection of the electrical connection device.
  • the reset member 320 is a spring sheathed on the limiting post 310 , and the connecting seat 210 is reset by the elastic force of the spring.
  • the reset member 320 is not limited to using springs, and devices such as damping rods or elastic cords can also be used to realize the reset action.
  • the limiting column 310 is fixedly connected to the support plate 260 through the mounting base 312, the mounting base 312 includes a fixing portion 313 and a limiting protrusion ring 314, and the fixing portion 313 is a disc extending radially outward.
  • the connection and fixation with the support plate 260 is realized by arranging bolts along the circumferential direction.
  • the position-limiting protruding ring 314 is cylindrical and sheathed on the periphery of the reset member 320 . One end thereof is fixed to the mounting seat 312 , and a gap is left between the other end and the connecting seat 210 .
  • the limiting protruding ring 314 can offset it when the swing range of the connecting seat 210 is greater than the preset range, thereby realizing the second position limiting of the connecting seat 210, and the double limiting cooperation can further enhance the reliability of the structure and improve the electrical stability.
  • this position-limiting protruding ring 314 can also be used to accommodate the reset member 320, so that the reset member 320 can be in a relatively closed environment, avoid being corroded by water vapor, and improve its service life.
  • an elastic member 330 is disposed between the limiting plate 311 and the connecting seat 210, and the elastic member 330 may be a rubber pad or a spring.
  • the elastic member 330 can be retracted when the connecting seat 210 swings in the connecting direction to release the rotation space; Touching causes noise and vibration.
  • the electrical connector 100 and the floating mechanism 200 are located inside the battery box, and the panel of the battery box is provided with an opening (not shown) corresponding to the electrical connector 100,
  • the floating mechanism 200 is fixed on the battery box through the support plate 260 , and the side of the support plate 260 facing the electrical connector 100 is fixedly connected to the inner wall of the opening of the battery box through the first sealing member 400 .
  • a seal in the present invention is a ring of rubber gaskets, which can prevent water from penetrating into the battery box from the gap between the support plate 260 and the panel of the battery box.
  • the above design allows the electrical connection device to be generally recessed inside the battery box instead of protruding outside the battery box, which is beneficial to protect the electrical connector. At the same time, it is also convenient to arrange a waterproof sliding door for closing the electrical connection device on the battery box body, and the structure is more reasonable.
  • the support plate 260 has a through hole 261, the through hole 261 is used to pass through the cable connected to the electrical connection part, a second sealing member 262 is arranged in the through hole 261, and the second sealing member 262 is The rubber ring tightly fits on the cable to realize the sealing between the cable and the through hole 261 . Avoid water seeping into the battery box from the wiring hole.
  • the floating mechanism 200 further includes a positioning structure, which is used for guiding alignment when the electrical connector part 100 is docked with an external electrical connection device.
  • the positioning structure includes a positioning hole 500 arranged on the connection base 210, the opening of the positioning hole 500 is located on the side of the connection base 210 facing the electrical connector part 100, and the positioning hole 500 is used to cooperate with the positioning pin of the external electrical connection device Achieving guided alignment.
  • the electrical connector part 100 includes two electrical connector assemblies, and the two electrical connector assemblies are arranged symmetrically along the rotation center of the connection base 210; the two electrical connector assemblies can share the working current and avoid overheating; the two electrical connector assemblies If the joint components are arranged symmetrically in the middle, the accuracy of docking can be improved, and the layout is more reasonable.
  • the present invention also provides a battery box comprising the electrical connection device as described above.
  • the battery box adopting the electrical connection device has higher docking success rate, efficiency and stability.
  • the present invention also provides a box-type battery for ships, including the battery box as described above.
  • the marine box-type battery using the battery box has higher docking success rate, efficiency and stability.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

本发明提供了一种电连接装置、电池箱以及船舶用箱式电池。该电连接装置设置于电池箱上，用于与外部电连接装置进行电连接以实现所述电池箱的充放电，连接装置包括：电接头部，电接头部用于与所述外部电连接装置进行电连接；浮动机构，浮动机构设置在电池箱上并用于安装电接头部，通过浮动机构带动电接头部在其平面内移动和/或沿电连接方向移动以与外部电连接装置进行电连接。当电池箱上的电连接装置和外部电连接装置对接时，电接头部受压并在浮动机构的作用下进行浮动，使电接头部能够在其平面内移动和/或沿电连接方向移动进行找正，进而使电池箱上的电连接装置能够和外部电连接装置相互对准，方便二者的对接，提高对接效率和稳定性。

Description

电连接装置、电池箱以及船舶用箱式电池
本申请要求申请日为2021/12/31的中国专利申请2021116673054的优先权。本申请引用上述中国专利申请的全文。
技术领域
本发明涉及船舶换电领域，特别涉及一种电连接装置、电池箱以及船舶用箱式电池。
背景技术
为了推动油改电战略，新能源技术快速普及，电力驱动的船舶也逐渐进入公众视野；由于内河港口不具备建设充电桩式的基础条件，并且船舶吨位大，耗电大，对船舶电池进行充电需要耗费相当长的时间；因此，换电方案成为主要技术路线，将充电站建设在距离港口3公里左右的位置，再利用车辆短途配送，当电池耗尽时，拆下原有电池，更换新电池即可实现续航。但是现有的可更换电池方案存在以下不足：
当电池和船舶上的接口对接时，由于用电端和供电端放置位置的偏差，用电端的电连接器和供电端的电连接器很难一开始就完全对准，从而容易造成对接失败，降低对接效率和稳定性。
进一步，为了实现电池箱的快换，通常会将电池箱锁止在船舶的甲板上，即处于露天环境中。因此，导致电池箱非常容易受外界因素影响，如船体在水域内容易发生晃动，水流也容易冲刷到船内或电池箱上等等。这些因素导致船舶换电的电连接稳定性和安全性面临极大挑战。
发明内容
本发明要解决的技术问题是为了克服现有技术容易对接失败、对接效率低的缺陷，提供一种电连接装置、电池箱以及船舶用箱式电池。
本发明是通过下述技术方案来解决上述技术问题：
一种电连接装置，设置于电池箱上，用于与外部电连接装置进行电连接以实现所述电池箱的充放电，所述连接装置包括：
电接头部，所述电接头部用于与所述外部电连接装置进行电连接；
浮动机构，所述浮动机构设置在所述电池箱上并用于安装所述电接头部，通过所述 浮动机构带动所述电接头部在其平面内移动和/或沿电连接方向移动以与所述外部电连接装置进行电连接。
当电池箱上的电连接装置和外部电连接装置对接时，电接头部受压并在浮动机构的作用下进行浮动，使电接头部能够在其平面内移动和/或沿电连接方向移动进行找正，进而使电池箱上的电连接装置能够和外部电连接装置相互对准，方便二者的对接，提高对接成功率。
优选的，所述浮动机构包括：
连接座，所述连接座上固定连接所述电接头部；
转动机构，所述转动机构将连接座转动连接至电池箱；
限位机构，所述限位机构活动连接于所述连接座，用于对所述连接座的转动范围进行限制。
转动机构用于实现连接座与电池箱间的相对转动；限位件用于限制连接座的转动范围，避免连接座转动幅度过大而导致的电连接头部损坏，提高电连接装置的使用寿命。
优选的，所述限位机构所允许的转动角度小于所述转动机构所允许的转动角度。
通过所述限位机构和所述转动机构的配合使用，实现在一定转动角度范围内可靠，稳定地浮动。
优选的，所述限位机构包括多个限位柱，所述多个限位柱以所述转动机构为中心围绕设置在所述转动机构周围。
通过对称设置，使得电连接装置结构简单，受力均匀，工作稳定。
优选的，所述转动机构由球面凸起和球面凹槽配合构成。
通过球面凸起和球面凹槽的配合，使连接座能够相对电池箱进行任意方向的摆动以及相对转动，具有更高的灵活度和自由度；并且结构可靠，便于制造和安装。
优选的，所述浮动机构还包括支撑板，所述浮动机构通过所述支撑板固定于所述电池箱上；
所述支撑板朝向所述连接座的端面上具有一球面凸起，所述连接座上具有与所述球面凸起相适配的球面凹槽，所述球面凸起与所述球面凹槽相配合后实现所述连接座相对所述支撑板的转动连接；
或者，所述支撑板朝向所述连接座的端面上具有一球面凹槽，所述连接座上具有与所述球面凹槽相适配的球面凸起，所述球面凸起与所述球面凹槽相配合后实现所述连接座相对所述支撑板的转动连接；
或者，所述支撑板和所述连接座相对的面上分别具有球面凹槽，通过设于任意的所 述球面凹槽内的转动件实现所述连接座相对所述支撑板的转动连接。
通过球面凸起和球面凹槽的相互配合实现连接座和支撑板之间的转动连接。
优选的，所述球面凸起与所述球面凹槽之间间隔一定距离设置。
球面凸起和球面凹槽能够沿电连接方向进行一定的位移，从而给连接座留出了沿电连接方向的活动余量，避免两者刚性碰撞导致两者的电接头部损坏，该间隙的存在也使微小的位置误差被允许，并进一步提高了连接座的自由度。
优选的，所述电连接器还包括转动支座，所述转动支座固定于所述连接座朝向所述支撑板的侧面和/或所述支撑板朝向所述连接座的侧面，所述球面凹槽设于所述转动支座上。
由此，通过转动支座实现了球面凹槽与支撑板或连接座间的固定。
优选的，所述限位机构包括多个限位柱，所述多个限位柱的两端或任一端活动连接于所述支撑板和连接座。
由此，通过限位柱实现对连接座沿电连接方向的导向限位。
优选的，所述限位柱一端固定连接于所述支撑板，所述连接座上设有与所述限位柱间隙配合的限位孔，所述限位柱伸出所述连接座的一端具有限位板。
连接座和限位柱间的间隙为连接座留出了沿其平面方向进行移动的空间，由此使置于连接座上的电连接部能够沿其平面方向进行位移。
优选的，所述电连接器还包括复位件，所述复位件设于所述连接座与所述支撑板之间，所述复位件用于提供给所述连接座远离所述支撑板的力。
复位件能够将连接座从浮动状态复位至初始状态，以便于电连接装置的下一次连接。
优选的，所述复位件为套设于限位柱上的弹簧，通过弹簧的弹力实现连接座的复位。
优选的，所述限位柱一端通过安装座固定连接于所述支撑板，所述安装座具有与支撑板固定连接的固定部和套设与所述复位件外围的限位凸环。
通过固定部实现限位柱和支撑板之间的连接，通过限位凸环实现对复位件的限位固定以及对连接座的回缩限位。
优选的，所述限位板与所述连接座之间设置有弹性件。
该弹性件一方面能够在连接座转动时回缩以释放转动空间，另一方面能够作为限位板和连接座间的缓冲，避免连接座和限位板发生碰触导致噪音和震动。
优选的，所述电接头部和所述浮动机构位于所述电池箱的内部；所述浮动机构还包括支撑板，所述浮动机构通过所述支撑板固定于所述电池箱上，所述支撑板朝向所述电接头部的一侧周围通过第一密封件固定连接于所述电池箱的开口的内壁周围。由此，使 得电连接器总体上在电池箱体内部，而不是突出于电池箱体之外，有利于保护电连接器。
优选的，所述支撑板上具有通孔，所述通孔用于穿过所述电连接部的线缆，所述通孔内设有第二密封件，所述第二密封件套紧于所述线缆上，以实现所述线缆和所述通孔之间的密封。由此，通过第二密封件实现了线缆和通孔之间的密封。
优选的，所述浮动机构还包括定位结构，所述定位结构用于在电接头部与外部电连接装置对接时实现引导对准。
该定位结构用于在对接时进行导向，以提高对接效率和对接成功率。
优选的，所述定位结构包括设置在所述连接座上的定位孔，所述定位孔的孔口位于所述连接座朝向电接头部的一侧，所述定位孔用于与外部电连接装置的定位销配合时实现引导对准。
该定位孔能够在对接时供外界的定位销插入以实现引导对准。
优选的，所述电接头部包括两个电接头组件，所述两个电接头组件沿所述连接座的转动中心对称设置。
采用两个电接头组件能够分担工作电流，避免过热；将两个电接头组件设置成中间对称布置能够提高对接准确率。
本发明还提供了一种电池箱，该电池箱包含如上文所述的电连接装置。采用该电连接装置的电池箱具有更高的对接成功率和对接效率。
本发明还提供了一种船舶用箱式电池，包含如上文所述的电池箱。采用该电池箱的船舶用箱式电池具有更高的对接成功率和对接效率。
本发明的积极进步效果在于：
当电池箱上的电连接装置和外部电连接装置对接时，电接头部受压并在浮动机构的作用下进行浮动，使电接头部能够在其平面内移动和/或沿电连接方向移动进行找正，进而使电池箱上的电连接装置能够和外部电连接装置相互对准，方便二者的对接，提高对接成功率、效率和稳定性。
附图说明
图1为本发明中电连接装置的立体图；
图2为本发明中电连接装置的俯视图；
图3为图2中的A-A面剖视图；
图4为图2中的B-B面剖视图；
图5为本发明中电连接装置的后视图；
附图标记说明：
电接头部100；浮动机构200；连接座210；限位孔211；转动机构220；限位机构230；球面凹槽240；转动支座241；球面凸起250；支撑板260；通孔261；第二密封件262；转动件270；限位机构300；限位柱310；限位板311；安装座312；固定部313；限位凸环314；复位件320；弹性件330；第一密封件400；定位孔500。
具体实施方式
下面举个较佳实施例，并结合附图来更清楚完整地说明本发明。
结合图1和图2，一种电连接装置，设置于电池箱上，用于与船舶上的外部电连接装置进行电连接以实现电池箱的充放电，该电连接装置包括：
电接头部100，该电接头部100用于与船舶上外部电连接装置进行电连接以将电能输送至船舶；
浮动机构200，该浮动机构200设置在电池箱上并用于安装该电接头部100，由此使该电连接头部能够在浮动机构200的带动下在其平面内移动和/或沿电连接方向移动以与外部电连接装置进行电连接，这里所指的平面是垂直于该电连接方向的平面。
当电池箱上的电连接装置和船舶上的外部电连接装置对接时，电接头部100受压并在浮动机构200的作用下进行浮动，使电接头部100能够在其平面内移动和/或沿电连接方向移动进行找正，进而使电池箱上的电连接装置能够和外部电连接装置相互对准，方便二者的对接，提高对接成功率。
结合图1和图3，在本实施例中，浮动机构200包括连接座210、转动机构220和限位机构300。
该连接座210为一矩形板，连接座210的中部固定连接有该电接头部100。
该转动机构220将连接座210转动连接至电池箱，以使连接座210能够相对电池箱进行转动。
该限位机构300活动连接于该连接座210，且该限位机构300所允许的转动角度小于该转动机构220所允许的转动角度。
采用以上结构，连接座210能够在保持连接的情况下在预定范围内转动，而在超出预定范围后，限位机构300能够对连接座210的转动进行限位，由此能够对连接座210的转动范围进行限制，使连接座210能够在一定转动角度范围内稳定、可靠的浮动。另外，还能避免连接座210转动幅度过大导致线缆损坏，有利于提高可靠性以及使用寿命。
在本实施例中，该转动机构220由球面凸起250和球面凹槽240配合构成，通过球面凸起250和球面凹槽240的配合，使连接座210能够相对电池箱沿任意方向在一定角 度范围内进行摆动以及相对电池箱进行转动，具有良好的自由度，使连接座210能够顺利调节至适当的连接姿态实现与外部电连接装置的对接，并且结构可靠，便于制造和安装。
在本实施例中，该浮动机构200还包括支撑板260，浮动机构200通过支撑板260固定在电池箱上，该支撑板260朝向连接座210的端面上具有一球面凸起250，连接座210上具有与该球面凸起250相适配的球面凹槽240，该球面凸起250与球面凹槽240相配合后实现连接座210相对支撑板的转动连接。
当然，在其他替代方案中，也能够是该球面凹槽240设于支撑板260朝向连接座210的端面上，而球面凸起250设于连接座210上并与该球面凹槽240相适配。该球面凸起250与球面凹槽240相配合后实现连接座210相对支撑板的转动连接。
由于球面加工需要很高的精度，更佳的，在本发明中，该支撑板260和连接座210相对的面上分别具有球面凹槽240，通过设于球面凹槽240内的转动件270实现连接座210相对支撑板260的转动连接。该转动件270可以是球形的轴承珠，也可以包括转动主体和镶嵌在转动主体上的多个滚柱。此时，该转动件270与球面凹槽240的接触面构成该球面凸起250。采用这样的方案相比直接采用球面构件具有成本更低、成品率更高的优势。
具体的，设于连接座210端面上的球面凹槽240深度小于该设于支撑板260上的球面凹槽240深度。采用这样的设计能够增加连接座210与支撑板260之间的间距，为连接座210留出更大的活动空间，使连接座210能够以更大的角度进行摆动。支撑板260上的球面凹槽240采取较大的深度则能够更好的容置该转动件270，避免转动件270掉出。
在本实施例中，该球面凸起250与球面凹槽240之间间隔一定距离设置，该间距为1mm-2mm。由此，使球面凸起250和球面凹槽240能够沿电连接方向进行一定的位移，从而给连接座210留出沿电连接方向的活动余量，避免两者刚性碰撞导致电接头部100损坏，该间隙的存在也使微小的位置误差被允许，并进一步为连接座210增加了一个沿电连接方向的自由度，使置于连接座210上的电接头部100能够更好的转至与外部电连接装置相匹配的姿态，进一步提高对接成功率。
在本实施例中，电连接器还包括转动支座241，转动支座241固定于连接座210朝向支撑板260的侧面和/或支撑板260朝向连接座210的侧面，球面凹槽240一体化地设于转动支座241上，该转动支座241具有向两侧延伸的支耳，并通过该支耳与支撑板260和/或连接座210螺栓连接。由此，通过转动支座241实现了球面凹槽240与支撑板260 或连接座210间的固定。
结合图1、图2和图4，在本实施例中，该限位机构300包括四根限位柱310，四根限位柱310以转动机构220为中心围绕设置在该转动机构220周围，通过对称设置使转动机构220沿各个方向的转动角度能够保持基本一致，工作稳定性更高。
该限位柱310的一端与支撑板260相连，另一端与连接座210的四角活动连接。由此，能够在不影响连接座210摆动的情况下，实现对连接座210沿电连接方向的导向限位。
当然，本发明不局限于采用以上方案，在其他替换方案中，可以是限位柱310的一端与连接座210固定连接，另一端与支撑板260活动连接。也可以是该限位柱310的两端与支撑板260和连接座210均活动连接，并通过套设在限位柱310上且位于支撑板260和连接座210之间的保持件来防止限位柱310移出支撑板260或连接座210。
在本实施例中，限位柱310与连接座210间的活动连接通过如下方式实现，该连接座210上设有与限位柱310间隙配合的限位孔211，限位孔211对限位柱310活动的限位构成对连接座210的第一重限位；该限位柱310伸出连接座210的一端具有限位板311。使限位柱310能够相对连接座210沿电连接方向活动。同时，连接座210和限位柱310间的间隙也为连接座210留出了沿其平面方向进行移动的空间，使置于连接座210上的电连接部能够沿其平面方向进行位移。该限位板311则能够对限位柱310进行限位以防止其移出至限位板311外。
在本实施例中，电连接器还包括复位件320，该复位件320设于连接座210与支撑板260之间，复位件320用于提供给连接座210远离支撑板260的力。复位件320能够将连接座210从浮动状态复位至初始状态，以保证电连接装置的下一次连接。
在本发明中，复位件320为套设于限位柱310上的弹簧，通过弹簧的弹力实现连接座210的复位。当然，该复位件320不局限于使用弹簧，也可以采用阻尼杆或弹力绳等装置实现复位动作。
在本实施例中，该限位柱310通过安装座312和支撑板260固定连接，该安装座312包括固定部313和限位凸环314，该固定部313呈沿径向向外延伸的盘状，通过沿周向布置螺栓实现与支撑板260的连接固定。该限位凸环314呈筒状，套设于复位件320的外围，其一端固定于该安装座312，另一端与连接座210间留有间隙。
限位凸环314能够在连接座210的摆动幅度大于预设范围时与其相抵，由此实现对连接座210的第二重限位，双重限位配合工作能够进一步增强结构的可靠性，提高电连接器工作的稳定性。同时该限位凸环314还能够用于容置复位件320，使复位件320能够 处于一个相对封闭的环境中，避免被水汽侵蚀，提高其使用寿命。
在本实施例中，限位板311与连接座210之间设置有弹性件330，该弹性件330可以是橡胶垫或弹簧。弹性件330一方面能够在连接座210朝连接方向摆动时回缩以释放转动空间，另一方面能够作为限位板311和连接座210间的缓冲，避免连接座210和限位板311发生碰触导致噪音和震动。
结合图1和图5，在本实施例中，该电接头部100和浮动机构200位于电池箱的内部，电池箱的面板上设有对应该电接头部100的开口(图中未显示)，浮动机构200通过支撑板260固定于电池箱上，该支撑板260朝向电接头部100的一侧周围通过第一密封件400固定连接于电池箱的开口的内壁周围。本发明中的一密封件为一圈橡胶垫圈，能够防止水自支撑板260和电池箱面板间的间隙处渗入电池箱内。
以上设计可使得该电连接装置在总体上凹设于电池箱体内部，而不是突出于电池箱体之外，有利于保护电连接器。同时也方便在电池箱体上设置用于封闭该电连接装置的防水滑门，结构更为合理。
在本实施例中，该支撑板260上具有通孔261，通孔261用于穿过连接该电连接部的线缆，通孔261内设有第二密封件262，第二密封件262为套紧于线缆上的胶圈，以实现线缆和通孔261之间的密封。避免水自接线孔处渗入电池箱内。
在本实施例中，浮动机构200还包括定位结构，定位结构用于在电接头部100与外部电连接装置对接时实现引导对准。该定位结构包括设置在连接座210上的定位孔500，该定位孔500的孔口位于连接座210朝向电接头部100的一侧，定位孔500用于与外部电连接装置的定位销配合时实现引导对准。
在本实施例中，电接头部100包括两个电接头组件，两个电接头组件沿连接座210的转动中心对称设置；采用两个电接头组件能够分担工作电流，避免过热；将两个电接头组件设置成中间对称布置则能够提高对接准确率，布局更为合理。
本发明还提供了一种电池箱，该电池箱包含如上文所描述的电连接装置。采用该电连接装置的电池箱具有更高的对接成功率、效率和稳定性。
本发明还提供了一种船舶用箱式电池，包含如上文所描述的电池箱。采用该电池箱的船舶用箱式电池具有更高的对接成功率、效率和稳定性。
虽然以上描述了本发明的具体实施方式，但是本领域的技术人员应当理解，这仅是举例说明，本发明的保护范围是由所附权利要求书限定的。本领域的技术人员在不背离本发明的原理和实质的前提下，可以对这些实施方式做出多种变更或修改，但这些变更和修改均落入本发明的保护范围。
虽然以上描述了本发明的具体实施方式，但是本领域的技术人员应当理解，这些仅是举例说明，在不背离本发明的原理和实质的前提下，可以对这些实施方式做出多种变更或修改。因此，本发明的保护范围由所附权利要求书限定。

Claims (17)

  1. 一种电连接装置，设置于电池箱上，用于与外部电连接装置进行电连接以实现所述电池箱的充放电，其特征在于，所述电连接装置包括：
    电接头部，所述电接头部用于与所述外部电连接装置进行电连接；
    浮动机构，所述浮动机构设置在所述电池箱上并用于安装所述电接头部，通过所述浮动机构带动所述电接头部在其平面内移动和/或沿电连接方向移动以与所述外部电连接装置进行电连接。
  2. 如权利要求1所述的电连接装置，其特征在于，所述浮动机构包括：
    连接座，所述连接座上固定连接所述电接头部；
    转动机构，所述转动机构将连接座转动连接至电池箱；
    限位机构，所述限位机构活动连接于所述连接座，用于对所述连接座的转动范围进行限制。
  3. 如权利要求2所述的电连接装置，其特征在于，所述限位机构所允许的转动角度小于所述转动机构所允许的转动角度；
    和/或，所述限位机构包括多个限位柱，所述多个限位柱以所述转动机构为中心围绕设置在所述转动机构周围。
  4. 如权利要求2所述的电连接装置，其特征在于，所述转动机构由球面凸起和球面凹槽配合构成。
  5. 如权利要求4所述的电连接装置，其特征在于，所述浮动机构还包括支撑板，所述浮动机构通过所述支撑板固定于所述电池箱上；
    所述支撑板朝向所述连接座的端面上具有一球面凸起，所述连接座上具有与所述球面凸起相适配的球面凹槽，所述球面凸起与所述球面凹槽相配合后实现所述连接座相对所述支撑板的转动连接；
    或者，所述支撑板朝向所述连接座的端面上具有一球面凹槽，所述连接座上具有与所述球面凹槽相适配的球面凸起，所述球面凸起与所述球面凹槽相配合后实现所述连接座相对所述支撑板的转动连接；
    或者，所述支撑板和所述连接座相对的面上分别具有球面凹槽，通过设于任意的所述球面凹槽内的转动件实现所述连接座相对所述支撑板的转动连接。
  6. 如权利要求4所述的电连接装置，其特征在于，所述球面凸起与所述球面凹槽之间间隔一定距离设置。
  7. 如权利要求5所述的电连接装置，其特征在于，所述电连接器还包括转动支座，所述转动支座固定于所述连接座朝向所述支撑板的侧面和/或所述支撑板朝向所述连接座的侧面，所述球面凹槽设于所述转动支座上。
  8. 如权利要求2所述的电连接装置，其特征在于，所述限位机构包括多个限位柱，所述多个限位柱的两端或任一端活动连接于支撑板和连接座。
  9. 如权利要求8所述的电连接装置，其特征在于，所述限位柱一端固定连接于所述支撑板，所述连接座上设有与所述限位柱间隙配合的限位孔，所述限位柱伸出所述连接座的一端具有限位板；
    优选地，所述限位板与所述连接座之间设置有弹性件。
  10. 如权利要求9所述的电连接装置，其特征在于，所述电连接器还包括复位件，所述复位件设于所述连接座与所述支撑板之间，所述复位件用于提供给所述连接座远离所述支撑板的力。
  11. 如权利要求10所述的电连接装置，其特征在于，所述复位件为套设于限位柱上的弹簧。
  12. 如权利要求11所述的电连接装置，其特征在于，所述限位柱一端通过安装座固定连接于所述支撑板，所述安装座具有与支撑板固定连接的固定部和套设与所述复位件外围的限位凸环。
  13. 如权利要求1-12中任一项所述的电连接装置，其特征在于，所述电接头部和所述浮动机构位于所述电池箱的内部；所述浮动机构还包括支撑板，所述浮动机构通过所述支撑板固定于所述电池箱上，所述支撑板朝向所述电接头部的一侧周围通过第一密封件固定连接于所述电池箱的开口的内壁周围；
    优选地，所述支撑板上具有通孔，所述通孔用于穿过所述电连接部的线缆，所述通孔内设有第二密封件，所述第二密封件套紧于所述线缆上，以实现所述线缆和所述通孔之间的密封。
  14. 如权利要求1-13中任一项所述的电连接装置，其特征在于，所述浮动机构还包括定位结构，所述定位结构用于在电接头部与外部电连接装置对接时实现引导对准；
    优选地，所述定位结构包括设置在连接座上的定位孔，所述定位孔的孔口位于所述连接座朝向电接头部的一侧，所述定位孔用于与外部电连接装置的定位销配合时实现引导对准。
  15. 如权利要求1-14中任一项所述的电连接装置，其特征在于，所述电接头部包括两个电接头组件，所述两个电接头组件沿连接座的转动中心对称设置。
  16. 一种电池箱，其特征在于，所述电池箱包含如权利要求1-15中任一项所述的电连接装置。
  17. 一种船舶用箱式电池，其特征在于，所述船舶用箱式电池包含如权利要求1-15中任一项所述的电连接装置或如权利要求16所述的电池箱。
PCT/CN2022/142727 2021-12-31 2022-12-28 电连接装置、电池箱以及船舶用箱式电池 WO2023125641A1 (zh)

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