WO2023159397A1 - 电池的线缆类连接件保护装置、电池以及用电装置 - Google Patents

电池的线缆类连接件保护装置、电池以及用电装置 Download PDF

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Publication number
WO2023159397A1
WO2023159397A1 PCT/CN2022/077492 CN2022077492W WO2023159397A1 WO 2023159397 A1 WO2023159397 A1 WO 2023159397A1 CN 2022077492 W CN2022077492 W CN 2022077492W WO 2023159397 A1 WO2023159397 A1 WO 2023159397A1
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Prior art keywords
battery
cable
protection device
main body
cable connector
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PCT/CN2022/077492
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English (en)
French (fr)
Inventor
谌启财
王冲
郑陈铃
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宁德时代新能源科技股份有限公司
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Application filed by 宁德时代新能源科技股份有限公司 filed Critical 宁德时代新能源科技股份有限公司
Priority to PCT/CN2022/077492 priority Critical patent/WO2023159397A1/zh
Priority to CN202290000388.3U priority patent/CN221057486U/zh
Publication of WO2023159397A1 publication Critical patent/WO2023159397A1/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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • 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
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/238—Flexibility or foldability
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present application relates to the technical field of batteries, and more specifically, to a battery cable connector protection device, a battery, and an electrical device.
  • the present application provides a cable connector protection device for a battery, a battery and an electrical device, which can reduce the cost of the battery.
  • the present application provides a battery cable connector protection device, which includes a main body and a connection part.
  • the connection part is connected to the main body, and the connection part includes a first part and a second part, the first part is used to connect with the cable connector of the battery, and the second part connects the first part and the main body.
  • the second portion is configured to deform when the cable-like connection moves to relieve stress between the first portion and the cable-like connection.
  • the cable connector protection device is low in cost and occupies a small space, which can effectively reduce the cost of the battery and increase the energy density of the battery.
  • the second part can release the stress generated between the first part and the cable-type connector through deformation, Therefore, the risk of tearing of the cable connector protection device is reduced, and the cable connector protection device can accurately detect the state of the battery cell, thereby improving safety.
  • At least part of the second portion is bent to one side of the main body in the thickness direction.
  • the first part is connected to an end of the second part away from the main part and is bent relative to the second part.
  • At least part of the second part is bent to one side of the main body along the thickness direction, and when the cell expands, the cable-type connector moves, so that at least part of the second part is compressed to release the stress .
  • the main body is provided with a channel, and the channel passes through the main body along the thickness direction.
  • One end of the second part is connected to the wall of the channel, and the other end of the second part is bent to the side of the main body away from the cable-type connector along the thickness direction and connected to the first part.
  • An end of the first part far away from the second part is used to pass through the channel and be connected with a cable type connector.
  • the arrangement is such that the end of the first part away from the second part passes through the channel and is connected with the cable connector, so that the connection between the cable connector and the connecting part is more firm and stable.
  • the channel includes a via.
  • the battery cable connector protection device can connect multiple cable connectors.
  • the lengths of the multiple connecting parts may be the same or different.
  • the main body includes: a third part for connecting with the connector of the battery.
  • the fourth part is connected to the third part and bent relative to the third part.
  • a fifth part connected to an end of the fourth part away from the third part and bent relative to the fourth part, and the connecting part is connected to the fifth part.
  • the fourth part is bent relative to the third part, and the fifth part is bent relative to the fourth part, which is beneficial to increase the structural strength of the battery cable connector protection device.
  • the connecting part is arranged on the fifth part, which also has the advantage of being easy to process.
  • each fourth part is connected to the corresponding fifth part and third part.
  • Each fifth part is connected with a connection part.
  • each fifth part is connected to a row of cable connectors
  • multiple fifth parts can be connected to multiple rows of cable connectors
  • the fourth part is used to connect the fifth part and the third part and strengthen the fifth part. part of the structural strength.
  • the first part includes a plurality of conductor parts arranged at intervals, and the plurality of conductor parts are used for connecting with cable-like connectors.
  • multiple conductors are connected to the cable connectors, which can be used to realize functions such as voltage detection and temperature detection, respectively.
  • the present application provides a battery, including: a battery cell.
  • the cable connector is used for connecting with the battery cell.
  • the first part is connected to the cable connector.
  • At least part of the cable-like connector is located between the battery cells and the main body.
  • One end of the second part is connected to the main body, and the other end of the second part is bent to the side of the main body away from the cable connector and connected to the first part. Relative to the second part, the first part is bent towards the cable connector and connected to the cable connector.
  • the present application provides an electrical device, including the battery in the above embodiment, and the battery is used to provide electrical energy.
  • FIG. 1 is a schematic structural view of a vehicle in some embodiments of the present application.
  • FIG. 2 is a schematic diagram of an exploded structure of a battery in some embodiments of the present application.
  • FIG. 3 is a schematic structural diagram of a battery in some embodiments of the present application.
  • Figure 4 is an exploded view of the battery of some embodiments of the present application.
  • Fig. 5 is a top view of a battery cable connector protection device according to some embodiments of the present application.
  • Fig. 6 is a schematic structural diagram of a battery cable connector protection device according to some embodiments of the present application.
  • Fig. 7 is the enlarged schematic diagram of place A in Fig. 6;
  • Fig. 8 is the enlarged schematic diagram of place B in Fig. 6;
  • Fig. 9 is an enlarged schematic diagram of place C in Fig. 6;
  • Fig. 10 is a schematic structural diagram of a cable connector protection device for a battery before processing according to some embodiments of the present application;
  • Fig. 11 is a cross-sectional view of a cable connector protection device for a battery before processing according to some embodiments of the present application.
  • a box body 10 a first box body part 11, and a second box body part 12;
  • Battery cable connector protection device 30 connection part 31, first part 311, conductor part 311a, second part 312, channel 313;
  • the main body 32 the third part 321, the fourth part 322, the fifth part 323;
  • multiple refers to more than two (including two), similarly, “multiple groups” refers to more than two groups (including two), and “multiple pieces” refers to More than two pieces (including two pieces).
  • Power batteries are not only used in energy storage power systems such as hydraulic, thermal, wind and solar power plants, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, electric vehicles, as well as military equipment and aerospace and other fields . With the continuous expansion of power battery application fields, its market demand is also constantly expanding.
  • the battery includes multiple battery cells, and multiple battery cells can be connected in series, parallel or mixed through cable connectors.
  • Mixed connection means that multiple battery cells are connected in series and in parallel.
  • a battery usually uses a circuit board to collect information such as current and voltage of a battery cell.
  • the cost of the circuit board is high and the space occupied is large, which results in limited energy density and high cost of the battery, which is not in line with the current development trend of batteries.
  • the cable connector protection device (such as a flexible flat cable connector protection device) is a low-cost device.
  • the inventors tried to use the cable connector protection device instead of the circuit board to save the manufacturing cost of the battery and save space.
  • the cable connector protection device is connected to the cable connector.
  • the strength of the cable connector protection device is relatively low.
  • the battery vibrates, the cable connector protection device and the cable connector move relatively, and there is a tear at the connection between the two. Risk; when the protective device of the cable connector is torn, the electrical device cannot accurately detect the state of the battery cell, thus causing a safety hazard.
  • an embodiment of the present application provides a cable connector protection device, which includes a main body and a connecting portion, the connecting portion is connected to the main body, the connecting portion includes a first part and a second part, and the first part is used for connecting with the battery
  • the cable-type connector is connected, and the second part connects the first part and the main body, wherein the second part is configured to deform when the cable-type connector moves, so as to release the stress between the first part and the cable-type connector .
  • the protection device for cable connectors of the present application is low in cost and occupies a small space, thereby effectively reducing the cost of the battery and increasing the energy density of the battery.
  • the application can release the stress between the cable connector protection device and the cable connector protection device through deformation when the battery vibrates, reducing the risk of tearing the cable connector protection device, thereby accurately detecting the battery cell state, improving security.
  • the cable connector protection device disclosed in the embodiments of the present application can be used, but not limited to, in batteries of electric devices such as vehicles, ships or aircrafts.
  • a power supply system comprising the electric device can be composed of the cable connector protection device disclosed in the present application, a battery, etc., so that the cost of using the battery can be effectively reduced.
  • the embodiment of the present application provides an electric device using a battery as a power source.
  • the electric device can be, but not limited to, a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, a battery car, an electric car, a ship, a spacecraft, and the like.
  • electric toys may include fixed or mobile electric toys, such as game consoles, electric car toys, electric boat toys, electric airplane toys, etc.
  • spacecraft may include airplanes, rockets, space shuttles, spaceships, etc.
  • a vehicle 1000 as an electric device according to an embodiment of the present application is taken as an example for description.
  • FIG. 1 is a schematic structural diagram of a vehicle 1000 provided by some embodiments of the present application.
  • the vehicle 1000 can be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle.
  • the interior of the vehicle 1000 is provided with a battery 100 , and the battery 100 may be provided at the bottom, head or tail of the vehicle 1000 .
  • the battery 100 can be used for power supply of the vehicle 1000 , for example, the battery 100 can be used as an operating power source of the vehicle 1000 .
  • the vehicle 1000 may further include a controller 200 and a motor 300 , the controller 200 is used to control the battery 100 to supply power to the motor 300 , for example, for starting, navigating and running the vehicle 1000 .
  • the battery 100 can not only be used as an operating power source for the vehicle 1000 , but can also be used as a driving power source for the vehicle 1000 , replacing or partially replacing fuel oil or natural gas to provide driving power for the vehicle 1000 .
  • FIG. 2 is a schematic explosion diagram of a battery 100 provided by some embodiments of the present application.
  • the battery 100 includes a case 10 and battery cells 20 housed in the case 10 .
  • the box body 10 is used to provide accommodating space for the battery cells 20 , and the box body 10 may adopt various structures.
  • the box body 10 may include a first box body part 11 and a second box body part 12, the first box body part 11 and the second box body part 12 cover each other, the first box body part 11 and the second box body part 12
  • the two box parts 12 jointly define an accommodating space for accommodating the battery cells 20 .
  • the second box part 12 can be a hollow structure with an open end, and the first box part 11 can be a plate-shaped structure, and the first box part 11 covers the opening side of the second box part 12, so that the first box
  • the body portion 11 and the second box body portion 12 jointly define an accommodating space; the first box body portion 11 and the second box body portion 12 can also be hollow structures with one side opening, and the opening side of the first box body portion 11 Cover the opening side of the second box part 12 .
  • the box body 10 formed by the first box body part 11 and the second box body part 12 may be in various shapes, such as a cylinder, a cuboid, and the like.
  • the battery 100 there may be multiple battery cells 20 , and the multiple battery cells 20 may be connected in series, in parallel or in parallel.
  • the mixed connection means that the multiple battery cells 20 are connected in series and in parallel.
  • a plurality of battery cells 20 can be directly connected in series, in parallel or mixed together, and then the whole composed of a plurality of battery cells 20 is housed in the box 10; of course, the battery 100 can also be a plurality of battery cells 20
  • the battery modules are firstly connected in series or parallel or in combination, and then multiple battery modules are connected in series or in parallel or in combination to form a whole, which is accommodated in the case 10 .
  • the battery 100 may also include other structures, for example, the battery 100 may also include a cable-type connector for realizing electrical connection between a plurality of battery cells 20 .
  • each battery cell can be a secondary battery or a primary battery; it can also be a lithium-sulfur battery cell, a sodium-ion battery cell or a magnesium-ion battery cell, but not limited thereto.
  • the battery cell 20 may be in the form of a cylinder, a flat body, a cuboid or other shapes.
  • the present application provides a battery cable connector protection device 30, including: a main body 32 and a connecting portion 31, the connecting portion 31 is connected to the main body 32, and the connecting portion 31 includes a first part 311 and a second part 312, the first part 311 is used to connect with the cable connector 40 of the battery, the second part 312 connects the first part 311 and the main body part 32, wherein the second part 312 is configured to The cable-type connector 40 deforms when moving, so as to release the stress between the first portion 311 and the cable-type connector 40 .
  • the cable connector 40 is a power connection structure of the battery. There may be multiple cable connectors 40, and the multiple cable connectors 40 are used to connect multiple battery cells of the battery in series, in parallel or in combination.
  • the cable connector 40 may be an aluminum sheet or a copper sheet, and the material of the cable connector 40 may be copper, copper alloy, aluminum or aluminum alloy.
  • the battery cable connector protection device 30 is a control wire connection structure.
  • the cable connector 40 and the cable connector protection device can be combined into a very light and thin overall connector 50 by using laser welding and thermocompression technology.
  • the cable connector 40 is connected to the battery cell, and the cable connector 40 is located between the battery cell and the cable connector protection device 30 of the battery.
  • the cable connector 40 moves due to the expansion of the battery cell, and stress is generated between the first part 311 and the cable connector 40 .
  • the second portion 312 can be elastically deformed to absorb the stress generated by the cable connector 40 .
  • the second part 312 is located between the cable connector 40 and the main body 32, and the deformation direction of the second part 312 and the moving direction of the cable connector 40 Consistent, that is, the second portion 312 is compressed between the main body portion 32 and the cable connector 40 .
  • the second part 312 can release the first part 311 and the cable through deformation.
  • the stress generated between the similar connectors 40 thereby reducing the risk of tearing of the cable connector protection device, and enabling the cable connector protection device to accurately detect the state of the battery cell, thereby improving safety.
  • At least part of the second portion 312 is bent to one side of the main body 32 along the thickness direction, and the first portion 311 is connected to the end of the second portion 312 away from the main body 32 and opposite to The second portion 312 is bent.
  • the Y direction is the length direction of the main body 32
  • the X direction is the width direction
  • the Z direction is the thickness direction.
  • the second portion 312 is at least partially bent to one side of the main body 32 along the thickness direction.
  • the connecting part 31 is arranged in a Z shape, that is, the second part 312 is bent once, and the first part 311 is connected to the end of the second part 312 away from the main part 32 and bent relative to the second part 312 .
  • the second portion 312 can also be bent multiple times. It only needs to form a shape capable of being deformed to release the stress generated between the first part 311 and the cable connector 40 .
  • At least part of the second part 312 is bent to one side of the main body 32 along the thickness direction. Compress to relieve stress.
  • the main body 32 is provided with a channel 313, and the channel 313 runs through the main body 32 along the thickness direction; one end of the second part 312 is connected to the wall of the channel 313, and the second part 312
  • the other end of the first part 311 is bent to the side of the main body 32 away from the cable connector 40 along the thickness direction and connected to the first part 311; the end of the first part 311 away from the second part 312 is used to pass through the channel 313 and connect with the cable like Connector 40 is connected.
  • the wall of the channel 313 refers to the inner wall of the channel 313 in a direction parallel to the width direction.
  • the end of the first part 311 away from the second part 312 passes through the channel 313 and is connected to the cable connector 40 , so that the connection between the cable connector 40 and the connection part 31 is more firm and stable.
  • channel 313 includes a through hole.
  • the through hole refers to a hole provided on the main body 32 and passing through the main body 32 .
  • the channel 313 may also be disposed on a side of the main body 32 along the width direction.
  • the channel 313 may also include a notch disposed on a lateral side of the main body portion 32 along the width direction, and the notch has the advantage of being easy to process.
  • channels 313 can make full use of the space of the cable connector protection device 30 of the battery, and more channels 313 can be set on the cable connector protection device 30 of the battery, thereby satisfying the need for setting multiple connections. Section 31 Requirements.
  • the battery cable connector protection device 30 can be connected to a plurality of cable connectors 40 .
  • the lengths of the plurality of connecting parts 31 may be the same or different.
  • the main body 32 includes: a third part 321 for connecting with the battery connector 50; a fourth part 322 connected to the third part 321 and bent relative to the third part 321 and the fifth part 323, connected to the end of the fourth part 322 away from the third part 321 and bent relative to the fourth part 322, the connecting part 31 is connected to the fifth part 323.
  • the fourth part 322 is bent relative to the third part 321
  • the fifth part 323 is bent relative to the fourth part 322 , which is beneficial to increase the structural strength of the battery cable connector protection device 30 .
  • the connecting portion 31 is disposed on the fifth portion 323 , which also has the advantage of being easy to process.
  • each fourth part 322 is connected to a corresponding fifth part 323 and third part 321 ; each fifth part 323 is connected to a connecting part 31 .
  • each fifth part 323 is connected to a row of cable connectors 40, multiple fifth parts 323 can be connected to multiple rows of cable connectors 40, and the fourth part 322 is used to connect the fifth part 323 and the fifth part 323.
  • the first part 311 includes a plurality of conductor parts 311 a arranged at intervals, and the plurality of conductor parts 311 a are used for connecting with the cable-type connector 40 .
  • a plurality of conductor parts 311 a are connected to the cable connector 40 and can be used to realize functions such as voltage detection and temperature detection, respectively.
  • the present application provides a battery, including: a battery cell; a cable connector 40 for connecting to the battery cell; and the cable connector protection device in the above embodiment, the first part 311 Connected to the cable connector 40 .
  • At least part of the cable connector 40 is located between the battery cell and the main body 32; one end of the second part 312 is connected to the main body 32, and the other end of the second part 312 is bent to the main body 32
  • the side away from the cable connector 40 is connected to the first part 311 ; the first part 311 is bent toward the cable connector 40 relative to the second part 312 and connected to the cable connector 40 .
  • the present application proposes a battery cable connector protection device 30, the battery cable connector protection device 30 has a main body part 32 and a connection part 31 , the connecting portion 31 is arranged in a Z shape, that is, the connecting portion 31 includes a first portion 311 arranged horizontally and a second portion 312 arranged in a bend.
  • the connecting portion 31 includes a first portion 311 arranged horizontally and a second portion 312 arranged in a bend.
  • the battery cable connector protection device 30 mentioned in this application may be an FFC flexible flat cable connector protection device. It is composed of three layers of insulating film 30b, multiple conductors 30a, and insulating film 30b.
  • the conductor 30a is a copper conductor 30a
  • the insulating film 30b is a PET film
  • the connecting portion 31 is formed by folding one or more of the conductors 30a.

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Abstract

本申请提供了一种电池的线缆类连接件保护装置、电池及用电装置，电池包括主体部和连接部；连接部连接于主体部，连接部包括第一部分和第二部分，第一部分用于与电池的线缆类连接件连接，第二部分连接第一部分和主体部，其中，第二部分被配置为在线缆类连接件移动时变形，以释放第一部分与线缆类连接件之间的应力。如此，本申请解决了现有技术中电池成本较高的问题。

Description

电池的线缆类连接件保护装置、电池以及用电装置 技术领域
本申请涉及电池技术领域，并且更具体地，涉及一种电池的线缆类连接件保护装置、电池以及用电装置。
背景技术
节能减排是汽车产业可持续发展的关键，电动车辆由于其节能环保的优势成为汽车产业可持续发展的重要组成部分。对于电动车辆而言，电池技术又是关乎其发展的一项重要因素。
在电池技术中，如何降低电池制造成本是目前研究的热点方向。
发明内容
鉴于上述问题，本申请提供一种电池的线缆类连接件保护装置、电池以及用电装置，能够降低电池的成本。
第一方面，本申请提供了一种电池的线缆类连接件保护装置，包括主体部和连接部。连接部连接于主体部，连接部包括第一部分和第二部分，第一部分用于与电池的线缆类连接件连接，第二部分连接第一部分和主体部。第二部分被配置为在线缆类连接件移动时变形，以释放第一部分与线缆类连接件之间的应力。
在本实施例中，线缆类连接件保护装置成本低，占用的空间小，这样可以有效地降低电池的成本，提高电池的能量密度。当线缆类连接件因电池单体震动、膨胀或其它原因相对于线缆类连接件保护装置移动时，第二部分能够通过变形来释放第一部分和线缆类连接件之间产生的应力，从而降低线缆类连接件保护装置撕裂的风险，并使线缆类连接件保护装置能够准确地检测电池单体的状态，提高安全性。
在一些实施例中，第二部分的至少部分弯折至主体部沿厚度方向 的一侧。第一部分连接于第二部分的远离主体部的一端并相对于第二部分弯折。
如此，第二部分的至少部分弯折至主体部沿厚度方向的一侧，当电芯膨胀时，线缆类连接件移动，从而第二部分的至少部分弯折的部位受到压缩，以释放应力。
在一些实施例中，主体部设有通道，通道沿厚度方向贯通主体部。第二部分的一端连接于通道的壁，第二部分的另一端弯折至主体部沿厚度方向背离线缆类连接件的一侧并连接于第一部分。第一部分远离第二部分的一端用于穿过通道并与线缆类连接件连接。
如此设置，即第一部分远离第二部分的一端穿过通道并与线缆类连接件连接，使得线缆类连接件与连接部的连接更加牢固、稳定。
在一些实施例中，通道包括通孔。
而设置通孔作为通道，能够充分利用电池的线缆类连接件保护装置的空间，在电池的线缆类连接件保护装置上能够设置更多的通道，从而满足设置多个连接部的需求。
在一些实施例中，连接部设置为多个。
如此，电池的线缆类连接件保护装置能够连接多个线缆类连接件。根据线缆类连接件的位置、形状，多个连接部的长度可以相同或者不同。
在一些实施例中，主体部包括：第三部分，用于与电池的连接器连接。第四部分，连接于第三部分并相对于第三部分弯折。以及第五部分，连接于第四部分的远离第三部分的一端并相对于第四部分弯折，连接部与第五部分相连。
如此设置，第四部分相对于第三部分弯折，第五部分相对于第四部分弯折，有利于增加电池的线缆类连接件保护装置的结构强度。而连接部设置于第五部分，也有着易于加工的优点。
在一些实施例中，第五部分和第四部分均为多个，各第四部分连接对应的第五部分和第三部分。各第五部分均连接有连接部。
如此设置，每个第五部分连接一排线缆类连接件，设置多个第五部分可连接多排线缆类连接件，第四部分用于连接第五部分和第三部分 并增强第五部分的结构强度。对应的，当第五部分设置有多个时，第四部分也可设置有多个。
在一些实施例中，第一部分包括多个间隔设置的导体部，多个导体部用于与线缆类连接件相连。
如此设置，多个导体部与线缆类连接件相连接，可分别用于实现电压检测、温度检测等功能。
第二方面，本申请提供了一种电池，包括：电池单体。线缆类连接件，用于与电池单体连接。以及上述实施例中的线缆类连接件保护装置，第一部分连接于线缆类连接件。
在一些实施例中，线缆类连接件的至少部分位于电池单体和主体部之间。第二部分一端连接于主体部，第二部分的另一端弯折至主体部背离线缆类连接件的一侧并连接于第一部分。第一部分相对于第二部分朝向所线缆类连接件弯折并连接于线缆类连接件。
第三方面，本申请提供了一种用电装置，包括上述实施例中的电池，电池用于提供电能。
上述说明仅是本申请技术方案的概述，为了能够更清楚了解本申请的技术手段，而可依照说明书的内容予以实施，并且为了让本申请的上述和其它目的、特征和优点能够更明显易懂，以下特举本申请的具体实施方式。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对本申请实施例中所需要使用的附图作简单地介绍，显而易见地，下面所描述的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据附图获得其他的附图。
在附图中，附图并未按照实际的比例绘制。
图1为本申请一些实施例的车辆的结构示意图；
图2为本申请一些实施例的电池的分解结构示意图；
图3为本申请一些实施例的电池的结构示意图；
图4为本申请一些实施例的电池的***图；
图5为本申请一些实施例的电池的线缆类连接件保护装置的俯视图；
图6为本申请一些实施例的电池的线缆类连接件保护装置的结构示意图；
图7为图6中A处的放大示意图；
图8为图6中B处的放大示意图；
图9为图6中C处的放大示意图；
图10为本申请一些实施例的加工前的电池的线缆类连接件保护装置的结构示意图；
图11为本申请一些实施例的加工前的电池的线缆类连接件保护装置的剖视图。
车辆1000；
电池100，控制器200，马达300；
箱体10，第一箱体部11，第二箱体部12；
电池单体20；
电池的线缆类连接件保护装置30，连接部31，第一部分311，导体部311a，第二部分312，通道313；
主体部32，第三部分321，第四部分322，第五部分323；
导体30a，绝缘膜30b；
线缆类连接件40；
连接器50。
具体实施方式
下面将结合附图对本申请技术方案的实施例进行详细的描述。以下实施例仅用于更加清楚地说明本申请的技术方案，因此只作为示例，而不能以此来限制本申请的保护范围。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同；本文中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请；本申请的说明书和 权利要求书及上述附图说明中的术语“包括”和“具有”以及它们的任何变形，意图在于覆盖不排他的包含。
在本申请实施例的描述中，技术术语“第一”“第二”等仅用于区别不同对象，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量、特定顺序或主次关系。在本申请实施例的描述中，“多个”的含义是两个以上，除非另有明确具体的限定。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
在本申请实施例的描述中，术语“和/或”仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
在本申请实施例的描述中，术语“多个”指的是两个以上(包括两个)，同理，“多组”指的是两组以上(包括两组)，“多片”指的是两片以上(包括两片)。
在本申请实施例的描述中，技术术语“中心”“纵向”“横向”“长度”“宽度”“厚度”“上”“下”“前”“后”“左”“右”“竖直”“水平”“顶”“底”“内”“外”“顺时针”“逆时针”“轴向”“径向”“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请实施例和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请实施例的限制。
在本申请实施例的描述中，除非另有明确的规定和限定，技术术语“安装”“相连”“连接”“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；也可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个 元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请实施例中的具体含义。
目前，从市场形势的发展来看，动力电池的应用越加广泛。动力电池不仅被应用于水力、火力、风力和太阳能电站等储能电源***，而且还被广泛应用于电动自行车、电动摩托车、电动汽车等电动交通工具，以及军事装备和航空航天等多个领域。随着动力电池应用领域的不断扩大，其市场的需求量也在不断地扩增。
电池包括多个电池单体，多个电池单体可通过线缆类连接件实现串联、并联或混联，混联是指多个电池单体中既有串联又有并联。在电池的工作过程中，需要对电池单体进行电压检测、温度检测，以实时对电池单体进行调节。
在相关技术中，电池通常使用电路板来采集电池单体的电流、电压等信息。然而，发明人注意到，电路板的成本高、占用的空间大，这造成电池的能量密度受限、成本高，不符合现在电池的发展趋势。
线缆类连接件保护装置(例如柔性扁平线缆类连接件保护装置)是一种成本较低的器件，发明人尝试采用线缆类连接件保护装置代替电路板，以节约电池的制造成本并节省空间。通常，线缆类连接件保护装置连接于线缆类连接件。但是，本发明人注意到，线缆类连接件保护装置的强度较低，当电池震动时，线缆类连接件保护装置与线缆类连接件相对运动，两者的连接处存在撕裂的风险；当线缆类连接件保护装置撕裂时，用电装置无法准确地检测电池单体的状态，从而引发安全隐患。
鉴于此，本申请实施例提供了一种线缆类连接件保护装置，其包括主体部和连接部，连接部连接于主体部，连接部包括第一部分和第二部分，第一部分用于与电池的线缆类连接件连接，第二部分连接第一部分和主体部，其中，第二部分被配置为在线缆类连接件移动时变形，以释放第一部分与线缆类连接件之间的应力。本申请的线缆类连接件保护装置成本低，占用的空间小，从而有效地降低电池的成本，提高电池的能量密度。本申请能够在电池震动时，通过变形来释放线缆类连接件保护装置与线缆类连接件之间的应力，降低线缆类连接件保护装置撕裂的风险，从而准确地检 测电池单体的状态，提高安全性。
本申请实施例公开的线缆类连接件保护装置可以但不限用于车辆、船舶或飞行器等用电装置的电池中。可以使用具备本申请公开的线缆类连接件保护装置、电池等组成该用电装置的电源***，这样，能够有效降低电池的使用成本。
本申请实施例提供一种使用电池作为电源的用电装置，用电装置可以为但不限于手机、平板、笔记本电脑、电动玩具、电动工具、电瓶车、电动汽车、轮船、航天器等等。其中，电动玩具可以包括固定式或移动式的电动玩具，例如，游戏机、电动汽车玩具、电动轮船玩具和电动飞机玩具等等，航天器可以包括飞机、火箭、航天飞机和宇宙飞船等等。
以下实施例为了方便说明，以本申请一实施例的一种用电装置为车辆1000为例进行说明。
请参照图1，图1为本申请一些实施例提供的车辆1000的结构示意图。车辆1000可以为燃油汽车、燃气汽车或新能源汽车，新能源汽车可以是纯电动汽车、混合动力汽车或增程式汽车等。车辆1000的内部设置有电池100，电池100可以设置在车辆1000的底部或头部或尾部。电池100可以用于车辆1000的供电，例如，电池100可以作为车辆1000的操作电源。车辆1000还可以包括控制器200和马达300，控制器200用来控制电池100为马达300供电，例如，用于车辆1000的启动、导航和行驶时的工作用电需求。
在本申请一些实施例中，电池100不仅可以作为车辆1000的操作电源，还可以作为车辆1000的驱动电源，代替或部分地代替燃油或天然气为车辆1000提供驱动动力。
请参照图2，图2为本申请一些实施例提供的电池100的***示意图。电池100包括箱体10和电池单体20，电池单体20容纳于箱体10内。其中，箱体10用于为电池单体20提供容纳空间，箱体10可以采用多种结构。在一些实施例中，箱体10可以包括第一箱体部11和第二箱体部12，第一箱体部11与第二箱体部12相互盖合，第一箱体部11和第二箱体部12共同限定出用于容纳电池单体20的容纳空间。第二箱体部12可以为一端 开口的空心结构，第一箱体部11可以为板状结构，第一箱体部11盖合于第二箱体部12的开口侧，以使第一箱体部11与第二箱体部12共同限定出容纳空间；第一箱体部11和第二箱体部12也可以是均为一侧开口的空心结构，第一箱体部11的开口侧盖合于第二箱体部12的开口侧。当然，第一箱体部11和第二箱体部12形成的箱体10可以是多种形状，比如，圆柱体、长方体等。
在电池100中，电池单体20可以是多个，多个电池单体20之间可串联或并联或混联，混联是指多个电池单体20中既有串联又有并联。多个电池单体20之间可直接串联或并联或混联在一起，再将多个电池单体20构成的整体容纳于箱体10内；当然，电池100也可以是多个电池单体20先串联或并联或混联组成电池模块形式，多个电池模块再串联或并联或混联形成一个整体，并容纳于箱体10内。电池100还可以包括其他结构，例如，该电池100还可以包括线缆类连接件，用于实现多个电池单体20之间的电连接。
其中，每个电池单体可以为二次电池或一次电池；还可以是锂硫电池单体、钠离子电池单体或镁离子电池单体，但不局限于此。电池单体20可呈圆柱体、扁平体、长方体或其它形状等。
请参照图3至图6，第一方面，本申请提供了一种电池的线缆类连接件保护装置30，包括：主体部32和连接部31，连接部31连接于主体部32，连接部31包括第一部分311和第二部分312，第一部分311用于与电池的线缆类连接件40连接，第二部分312连接第一部分311和主体部32，其中，第二部分312被配置为在线缆类连接件40移动时变形，以释放第一部分311与线缆类连接件40之间的应力。
线缆类连接件40为电池的动力连接结构。线缆类连接件40可为多个，多个线缆类连接件40用于将电池的多个电池单体串联、并联或混联。示例性的，线缆类连接件40可以是铝片或者铜片，线缆类连接件40的材料可以是铜、铜合金、铝或者铝合金。
电池的线缆类连接件保护装置30为控制线连接结构。可以采用激光焊接和热压合技术，把线缆类连接件40和线缆类连接件保护装置复合 成一个很轻薄的整体连接器50。线缆类连接件40和电池单体相连接，且线缆类连接件40位于电池单体和电池的线缆类连接件保护装置30之间。
当电池单体震动或膨胀时，线缆类连接件40受电池单体膨胀影响而发生移动，第一部分311和线缆类连接件40之间产生应力。在本申请的实施例中，当线缆类连接件40移动时，第二部分312可发生弹性形变，以吸收线缆类连接件40所产生的应力。示例性地，当线缆类连接件40移动时，第二部分312位于线缆类连接件40和主体部32之间，且第二部分312的形变方向和线缆类连接件40的移动方向一致，即第二部分312在主体部32和线缆类连接件40之间被压缩。
在本实施例中，当线缆类连接件40因电池单体震动、膨胀或其它原因相对于线缆类连接件保护装置移动时，第二部分312能够通过变形来释放第一部分311和线缆类连接件40之间产生的应力，从而降低线缆类连接件保护装置撕裂的风险，并使线缆类连接件保护装置能够准确地检测电池单体的状态，提高安全性。
请参照图7，在一些实施例中，第二部分312的至少部分弯折至主体部32沿厚度方向的一侧，第一部分311连接于第二部分312的远离主体部32的一端并相对于第二部分312弯折。
如图7所示，图中Y方向为主体部32的长度方向、X方向为宽度方向，Z方向为厚度方向，第二部分312至少部分弯折至主体部32沿厚度方向的一侧。
值得注意的是，第一部分311和第二部分312一体化设置。在一些实施例中，所述连接部31呈Z形设置，即第二部分312弯折一次，第一部分311连接于第二部分312的远离主体部32的一端并相对于第二部分312弯折。在另一实施例中，第二部分312也可弯折多次。只需形成能够形变而释放第一部分311和线缆类连接件40之间产生的应力的形状即可。
如此，第二部分312的至少部分弯折至主体部32沿厚度方向的一侧，当电池单体膨胀时，线缆类连接件40移动，从而第二部分312的至少部分弯折的部位受到压缩，以释放应力。
请参照图7、图8，，在一些实施例中，主体部32设有通道313， 通道313沿厚度方向贯通主体部32；第二部分312的一端连接于通道313的壁，第二部分312的另一端弯折至主体部32沿厚度方向背离线缆类连接件40的一侧并连接于第一部分311；第一部分311远离第二部分312的一端用于穿过通道313并与线缆类连接件40连接。
示例性的，通道313的壁，指通道313与宽度方向的平行方向的内壁。
如此设置，即第一部分311远离第二部分312的一端穿过通道313并与线缆类连接件40连接，使得线缆类连接件40与连接部31的连接更加牢固、稳定。
在一些实施例中，通道313包括通孔。
通孔，指的是设置于主体部32贯穿主体部32的孔。在另一实施例中，通道313也可设置于主体部32沿宽度方向的侧边上。通道313还可包括设置于主体部32沿宽度方向的测边上的缺口，缺口有着易于加工的优点。
而设置通孔作为通道313，能够充分利用电池的线缆类连接件保护装置30的空间，在电池的线缆类连接件保护装置30上能够设置更多的通道313，从而满足设置多个连接部31的需求。
在一些实施例中，连接部31设置为多个。
如此，电池的线缆类连接件保护装置30能够连接多个线缆类连接件40。根据线缆类连接件40的位置、形状，多个连接部31的长度可以相同或者不同。
请参照图9，在一些实施例中，主体部32包括：第三部分321，用于与电池的连接器50连接；第四部分322，连接于第三部分321并相对于第三部分321弯折；以及第五部分323，连接于第四部分322的远离第三部分321的一端并相对于第四部分322弯折，连接部31与第五部分323相连。
如此设置，第四部分322相对于第三部分321弯折，第五部分323相对于第四部分322弯折，有利于增加电池的线缆类连接件保护装置30的结构强度。而连接部31设置于第五部分323，也有着易于加工的优点。
在一些实施例中，第五部分323和第四部分322均为多个，各第四部分322连接对应的第五部分323和第三部分321；各第五部分323均连接有连接部31。
如此设置，每个第五部分323连接一排线缆类连接件40，设置多个第五部分323可连接多排线缆类连接件40，第四部分322用于连接第五部分323和第三部分321并增强第五部分323的结构强度。对应的，当第五部分323设置有多个时，第四部分322也可设置有多个。
在一些实施例中，第一部分311包括多个间隔设置的导体部311a，多个导体部311a用于与线缆类连接件40相连。
如此设置，多个导体部311a与线缆类连接件40相连接，可分别用于实现电压检测、温度检测等功能。
第二方面，本申请提供了一种电池，包括：电池单体；线缆类连接件40，用于与电池单体连接；以及上述实施例中的线缆类连接件保护装置，第一部分311连接于线缆类连接件40。
在一些实施例中，线缆类连接件40的至少部分位于电池单体和主体部32之间；第二部分312一端连接于主体部32，第二部分312的另一端弯折至主体部32背离线缆类连接件40的一侧并连接于第一部分311；第一部分311相对于第二部分312朝向线缆类连接件40弯折并连接于线缆类连接件40。
根据本申请的一些实施例，参照图6、图7，本申请提出了一种电池的线缆类连接件保护装置30，该电池的线缆类连接件保护装置30具有主体部32和连接部31，连接部31呈Z形设置，即连接部31包括呈水平设置的第一部分311和弯折设置的第二部分312。当电池在使用过程中发生膨胀时，线缆类连接件40受电池膨胀影响而移动，第二部分312在线缆类连接件40移动时产生变形，以释放第一部分311和线缆类连接件40之间的应力。
请参照图10至图11，本申请中所提到的电池的线缆类连接件保护装置30，可以是FFC柔性扁平线缆类连接件保护装置。其由绝缘膜30b、多根导体30a、绝缘膜30b三层结构压合而成。在一实施例中，该导体 30a为铜导体30a，绝缘膜30b为PET膜，连接部31由其中一根或者多根导体30a翻折形成。
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
最后应说明的是：以上实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换，但这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的精神和范围。

Claims (11)

  1. 一种电池的线缆类连接件保护装置，包括：
    主体部；
    连接部，连接于所述主体部，所述连接部包括第一部分和第二部分，所述第一部分用于与电池的与线缆类连接件保护装置相连的线缆类连接件连接，所述第二部分连接所述第一部分和所述主体部，
    其中，所述第二部分被配置为在所述与线缆类连接件保护装置相连的线缆类连接件移动时变形，以释放所述第一部分与所述与线缆类连接件保护装置相连的线缆类连接件之间的应力。
  2. 根据权利要求1所述的线缆类连接件保护装置，其中，所述第二部分的至少部分弯折至所述主体部沿厚度方向的一侧，所述第一部分连接于所述第二部分的远离所述主体部的一端并相对于所述第二部分弯折。
  3. 根据权利要求2所述的线缆类连接件保护装置，其中，所述主体部设有通道，所述通道沿所述厚度方向贯通所述主体部；
    所述第二部分的一端连接于所述通道的壁，所述第二部分的另一端弯折至所述主体部沿所述厚度方向背离所述线缆类连接件的一侧并连接于所述第一部分；
    所述第一部分远离所述第二部分的一端用于穿过所述通道并与所述线缆类连接件连接。
  4. 根据权利要求3所述的线缆类连接件保护装置，其中，所述通道包括通孔。
  5. 根据权利要求1-4任一项所述的线缆类连接件保护装置，其中，所述连接部设置为多个。
  6. 根据权利要求1-5任一项所述的线缆类连接件保护装置，其中，所述主体部包括：
    第三部分，用于与所述电池的连接器连接；
    第四部分，连接于所述第三部分并相对于所述第三部分弯折；以及
    第五部分，连接于所述第四部分的远离所述第三部分的一端并相对于所述第四部分弯折，所述连接部与所述第五部分相连。
  7. 根据权利要求6所述的线缆类连接件保护装置，其中，所述第五部分和所述第四部分均为多个，各所述第四部分连接对应的所述第五部分和所述第三部分；
    各所述第五部分均连接有所述连接部。
  8. 根据权利要求1-7任一项所述的线缆类连接件保护装置，其中，所述第一部分包括多个间隔设置的导体部，多个所述导体部用于与所述线缆类连接件相连。
  9. 一种电池，包括：
    电池单体；
    线缆类连接件，用于与所述电池单体连接；以及
    根据权利要求1-8任一项所述线缆类连接件保护装置，所述第一部分连接于所述线缆类连接件。
  10. 根据权利要求9所述的电池，其中，所述线缆类连接件的至少部分位于所述电池单体和主体部之间；
    所述第二部分一端连接于所述主体部，所述第二部分的另一端弯折至所述主体部背离所述线缆类连接件的一侧并连接于所述第一部分；
    所述第一部分相对于所述第二部分朝向所线缆类连接件弯折并连接于所述线缆类连接件。
  11. 一种用电装置，包括根据权利要求9或10所述的电池，所述电池用于提供电能。
PCT/CN2022/077492 2022-02-23 2022-02-23 电池的线缆类连接件保护装置、电池以及用电装置 WO2023159397A1 (zh)

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