Battery and electric equipment

Abstract

The utility model relates to the technical field of battery manufacturing, and particularly discloses a battery and electric equipment.The battery comprises a box body, a battery assembly and at least one connecting piece, the box body comprises a bottom shell and an upper cover, the upper cover and the bottom shell define a containing space, and the battery assembly is arranged in the containing space; and one end of the connecting piece is connected with the large surface of the upper cover, and the other end of the connecting piece is detachably connected with the battery assembly. One end of the connecting piece is connected with the large surface of the upper cover, and the other end of the connecting piece is detachably connected with the battery assembly, so that the upper cover is connected with the battery assembly through the connecting piece, the large surface of the upper cover can be supported by the connecting piece, and the overall strength of the upper cover is improved; and therefore, the problem of abnormal sound generated by deformation of the upper cover in the use process of the battery is reduced.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and in particular to a battery and an electrical device. Background Art

[0002] This section merely provides background information related to the present disclosure and is not necessarily prior art.

[0003] With the development of new energy, more and more fields are using new energy as a power source. Due to its advantages such as high energy density, rechargeable, safe and environmentally friendly, batteries are widely used in new energy vehicles, consumer electronics, energy storage systems and other fields.

[0004] The battery includes a box body, which includes an upper cover and a bottom shell, wherein the upper cover is connected to the bottom shell and encloses a space for accommodating the battery assembly. In the prior art, the upper cover is a thin plate structure, and the upper cover is prone to deformation and abnormal noise during use of the battery. Utility Model Content

[0005] In view of the above problems, the present application provides a battery and an electrical device to solve the problem of abnormal noise from the upper cover.

[0006] The first aspect of the present application provides a battery, the battery comprising:

[0007] The box body comprises a bottom shell and an upper cover, and the upper cover and the bottom shell are combined to form a containing space;

[0008] A battery assembly, wherein the battery assembly is arranged in the accommodation space;

[0009] A connector, the number of which is at least one, one end of which is connected to the upper cover, and the other end of which is connected to the battery assembly in a detachable manner.

[0010] By connecting one end of the connecting piece to the upper cover and the other end to the battery assembly in a detachable manner, the upper cover is connected to the battery assembly through the connecting piece. The connecting piece can be used to support the upper cover, thereby improving the overall strength of the upper cover and reducing the problem of abnormal noise caused by deformation of the upper cover during the use of the battery.

[0011] In some embodiments of the present application, one end of the connector is connected to the large surface of the upper cover. The large surface of the upper cover is connected to the battery assembly through the connector, and the connector is used to support the large surface of the upper cover, further improving the overall strength of the upper cover, thereby reducing the problem of abnormal noise caused by deformation of the upper cover during battery use.

[0012] In some embodiments of the present application, the battery assembly includes a snap-fit ​​structure, and the connector is snap-fitted with the snap-fit ​​structure. The connector and the battery assembly are configured to snap-fit, so that the upper cover is conveniently connected to the battery assembly during the assembly process, so that the assembly efficiency is improved, and it is also convenient to separate the upper cover from the battery assembly during the battery maintenance process, thereby improving the convenience of removing the upper cover.

[0013] In some embodiments of the present application, the battery assembly includes a plurality of electrical connectors arranged at intervals, and the electrical connectors and the connectors are provided with a clamping hole at their corresponding positions, and the clamping hole forms a clamping structure. By using the clamping cooperation between the clamping hole and the connector, the connector can be effectively positioned, the position accuracy of the connector is improved, and the displacement of the connector is reduced, so that the connector can effectively support the upper cover, thereby reducing the abnormal noise caused by the deformation of the upper cover during the use of the battery.

[0014] In some embodiments of the present application, the battery assembly includes a plurality of electrical connectors arranged at intervals, and the space between two adjacent electrical connectors constitutes a clamping structure. The space between two adjacent electrical connectors is set as a clamping structure, thereby reducing the structural changes to the battery and effectively reducing the manufacturing cost of the battery.

[0015] In some embodiments of the present application, the connector includes:

[0016] A card connector, which is an elastic structure;

[0017] A connector, one end of which is connected to the upper cover, and the other end of which is inserted into the space between two adjacent electrical connectors, and at least one card connecting piece is provided on the connector;

[0018] Among the two adjacently arranged electrical connectors, at least one of the electrical connectors has a side facing away from the upper cover that abuts against a clamping sheet.

[0019] The clamping piece is used to abut against the side of the electrical connector away from the top cover to reduce the separation of the connector and the electrical connector in the direction from the battery assembly to the upper cover, thereby improving the connection stability between the connector and the electrical connector.

[0020] In some embodiments of the present application, along a direction perpendicular to the connector, the connector includes a first side surface and a second side surface that are oppositely disposed, the first side surface and the second side surface are respectively disposed opposite to two adjacently disposed electrical connectors, the card connector includes a plurality of first card connectors and a plurality of second card connectors, the plurality of first card connectors are respectively disposed on the first side surface and are spaced apart in a direction from the upper cover to the battery assembly, and the plurality of second card connectors are respectively disposed on the second side surface and are spaced apart in a direction from the upper cover to the battery assembly;

[0021] Among the two adjacent electrical connectors, the side of the electrical connector arranged opposite to the first side face away from the upper cover abuts against a first clamping piece, and the side of the electrical connector arranged opposite to the second side face away from the upper cover abuts against a second clamping piece.

[0022] By respectively abutting the sides of the two connected electrical connectors facing away from the upper cover with a first card plate and a second card plate, the opposite sides of the connector can respectively cooperate with the two connected electrical connectors, thereby increasing the contact position between the connector and the two adjacent electrical connectors, further improving the stability of the connection between the connector and the two adjacent electrical connectors, and enhancing the strength of the connection position.

[0023] In some embodiments of the present application, a plurality of first card contacts and second card contacts are symmetrically arranged relative to the connector. By arranging the first connecting piece and the second connecting piece, the connector has a symmetrical structure, so that when engaging with two adjacent electrical connectors, synchronous engagement is achieved on the first side surface and the second side surface, and the first side surface and the second side surface can have the same matching strength with the two adjacent electrical connectors.

[0024] In some embodiments of the present application, among the two adjacently arranged electrical connectors, the side of the electrical connector arranged opposite to the first side facing the upper cover abuts against a first card piece, and the side of the electrical connector arranged opposite to the second side facing the upper cover abuts against a second card piece. On the first side of the connector, there are two first card pieces abutting against the opposite sides of the electrical connector, and on the second side of the connector, there are two second card pieces abutting against the opposite sides of the electrical connector, respectively. By arranging the first card piece and the second card piece, a limit is formed in the direction from the upper cover to the battery assembly, further reducing the movement of the upper cover close to or away from the battery assembly, thereby improving the overall structural strength of the upper cover and reducing the abnormal noise caused by deformation of the upper cover.

[0025] In some embodiments of the present application, the first clamping piece is arranged at a first preset angle with the first side surface, and the first preset angle ranges from 30° to 150°;

[0026] And / or, the second engaging piece and the second side surface are arranged at a second preset angle, and the second preset angle ranges from 30° to 150°.

[0027] By setting the first preset angle and the second preset angle, the connector can be selected according to specific installation requirements, thereby improving the versatility of the connector.

[0028] In some embodiments of the present application, along the direction from the upper cover to the battery assembly, among the plurality of first card contacts, a distance between a first card contact located at a starting position and a first card contact located at a terminal position is L1, wherein L1>5 mm;

[0029] And / or, along the direction from the upper cover to the battery assembly, among the plurality of second card contacts, a distance between a second card contact located at a starting position and a second card contact located at a terminating position is L2, wherein L2>5mm.

[0030] By arranging multiple first card contacts and multiple second card contacts on the connector, the first card contacts and the second card contacts can cover a sufficient area of ​​the connector in the direction from the upper cover to the battery assembly. When the distance between the upper cover and the electrical connector changes (due to manufacturing tolerances, etc.), the electrical connector cooperates with the first card contacts and the second card contacts located at different positions, so that the manufacturing tolerance between the battery assembly and the upper cover can be used, thereby achieving effective connection between the battery assembly and the upper cover.

[0031] In some embodiments of the present application, along the direction from the upper cover to the battery assembly, the distance between two adjacent first card contacts ranges from 1 mm to 2 mm;

[0032] And / or, along the direction from the upper cover to the battery assembly, the distance between two adjacent second card plates ranges from 1 mm to 2 mm.

[0033] When the connector is snap-fitted with the electrical connector, a group of adjacent first snap-fit ​​plates respectively abut against opposite sides of the electrical connector on one side, and a group of adjacent second snap-fit ​​plates respectively abut against opposite sides of the electrical connector on the other side. By setting the distance between two adjacent first snap-fit ​​plates and the distance between two adjacent second snap-fit ​​plates, the thickness of the electrical connector can be effectively adapted, thereby increasing the strength of the snap-fit ​​and effectively improving the stability of the structure.

[0034] In some embodiments of the present application, along a direction perpendicular to the first side surface, a size of the first card piece ranges from 20 mm to 50 mm;

[0035] And / or, along a direction perpendicular to the second side surface, a size of the second engaging piece ranges from 20 mm to 50 mm.

[0036] Specifically, by setting the size of the first card contact piece in a direction perpendicular to the first side surface, the first card contact piece and the electrical connector have a sufficient contact area, thereby improving the card connection strength between the electrical connector and the first card contact piece, and reducing the possibility of the first card contact piece falling off relative to the electrical connector. Similarly, by setting the size of the second card contact piece in a direction perpendicular to the second side surface, the second card contact piece and the electrical connector have a sufficient contact area, thereby improving the card connection strength between the electrical connector and the second card contact piece, and reducing the possibility of the second card contact piece falling off relative to the electrical connector.

[0037] In some embodiments of the present application, the thickness of the card connector is in the range of 0.5 mm to 1 mm. By setting the thickness of the card connector, the card connector has good elasticity and a certain strength, which is conducive to improving the connection strength and connection stability between the connector and the electrical connector.

[0038] In some embodiments of the present application, the size of the connector ranges from 10 mm to 20 mm along the direction from the upper cover to the battery assembly;

[0039] And / or, along the direction from the upper cover to the battery assembly, the end of the connector facing away from the upper cover is a contraction structure.

[0040] By setting the size of the connector in the direction from the upper cover to the battery assembly, the connector can effectively reach the position of the electrical connector and engage with the electrical connector, so that the connector supports the upper cover, thereby improving the overall structural strength of the upper cover. In addition, by setting the end of the connector away from the upper cover into a contraction structure, it is convenient to insert the connector into the engaging structure formed by the two separated electrical connectors, thereby improving the convenience of assembly.

[0041] In some embodiments of the present application, along the first direction, the size of the connector ranges from 20 mm to 50 mm, the size of the snap-in piece is less than or equal to the size of the connector, the first direction is perpendicular to the spacing direction of two adjacent electrical connectors, and the first direction is parallel to the horizontal plane.

[0042] By setting the dimension of the connector in the extension direction of the space between two adjacent electrical connectors, the contact area between the clamping piece and the electrical connector is increased, further improving the connection strength and stability between the connector and the two adjacent electrical connectors.

[0043] In some embodiments of the present application, the connection between the connecting member and the upper cover includes bonding, welding or clamping;

[0044] and / or, the connecting member is an insulating member;

[0045] And / or, the electrical connector is a bar.

[0046] By setting the connection method between the connector and the upper cover, the connection strength between the connector and the upper cover is improved, and the support strength of the connector on the upper cover is further improved, reducing the occurrence of abnormal noise due to deformation of the upper cover. In addition, by setting the connector as an insulating component, the battery assembly can be insulated from the upper cover, reducing the safety hazards caused by the battery assembly and the upper cover being energized.

[0047] In some embodiments of the present application, the battery assembly includes multiple battery cells, and the multiple battery cells are arranged in an array. Along the arrangement direction of the multiple battery cells, two adjacent battery cells are spaced apart, and part of the body of the connector is disposed in the space between the two adjacent battery cells.

[0048] The space between two adjacent battery cells is used to accommodate part of the body of the connector, thereby reducing the impact of the connector on the internal space of the battery, improving the overall space utilization of the battery, and enhancing the compactness of the internal structure of the battery.

[0049] In some embodiments of the present application, the number of connectors ranges from 20 to 100. By setting the number of connectors, the connection position between the upper cover and the battery assembly can be improved, the structural strength of the upper cover can be further improved, and the occurrence of abnormal noise caused by deformation of the upper cover can be further reduced.

[0050] In some embodiments of the present application, the battery further includes a heat insulation board, which is arranged on the large surface of the upper cover facing the battery assembly, and the connector is arranged through the heat insulation board. The heat insulation board can reduce the heat transfer from the inside of the battery to the upper cover, thereby reducing the adverse effects of the upper cover on other surrounding components due to excessive temperature rise.

[0051] In some embodiments of the present application, the battery further includes an insulating member, which is disposed on a large surface of the heat insulation board facing the battery assembly, and the connecting member is disposed through the heat insulation board.

[0052] By providing an insulating member and utilizing the insulating member to insulate the battery assembly, the safety of the battery is effectively improved.

[0053] A second aspect of the present application provides an electrical device, which includes the battery as described above.

[0054] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] Figure 1 A schematic diagram of the structure of a vehicle according to an embodiment of the present application is shown schematically;

[0056] Figure 2 Schematically shows a schematic structural diagram of a battery according to an embodiment of the present application;

[0057] Figure 3 The figure schematically shows an assembly structure diagram of an upper cover and a connection structure of a box body according to an embodiment of the present application;

[0058] Figure 4 for Figure 3 A schematic diagram of the enlarged structure of part A in the structure shown;

[0059] Figure 5 Schematically shows a schematic structural diagram of a battery according to an embodiment of the present application;

[0060] Figure 6 for Figure 5 A schematic structural diagram of the BB section of the battery shown in (the bottom shell of the box body is not shown);

[0061] Figure 7 for Figure 6 A schematic diagram of the enlarged structure of part C in the structure shown in FIG.

[0062] Figure 8 The schematic diagram shows the structure of a connector according to an embodiment of the present application.

[0063] Fig. 9 for Figure 8 Right side view of the connector shown in;

[0064] Fig.10 A schematic diagram of the structure of a connector according to an embodiment of the present application is shown schematically;

[0065] Fig.11 The schematic diagram shows the structure of a connector according to an embodiment of the present application.

[0066] The reference numerals are as follows:

[0067] 1000. Vehicles;

[0068] 100. Battery;

[0069] 10. Battery components;

[0070] 11. Battery cell; 12. Electrical connector;

[0071] 20. Box body;

[0072] 21. upper cover; 22. bottom shell;

[0073] 30. Connectors;

[0074] 31, connector; 311, first side surface; 312, second side surface; 32, card connector; 321, first card connector; 322, second card connector;

[0075] 40. Heat insulation board;

[0076] 50. Heat exchange parts;

[0077] 200, controller;

[0078] 300, motor;

[0079] X, direction from the upper cover to the battery assembly; Y, first direction; a1, first preset angle; a2, second preset angle. DETAILED DESCRIPTION

[0080] The following embodiments of the technical solution of the present application will be described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0081] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0082] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0083] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0084] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0085] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0086] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0087] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0088] At present, from the perspective of market development, the application of batteries is becoming more and more extensive. Batteries are not only used in energy storage power systems such as hydropower, thermal power, wind power and solar power stations, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, electric cars, as well as military equipment and aerospace and other fields. With the continuous expansion of battery application areas, its market demand is also constantly expanding.

[0089] In the prior art, the upper cover of the box body is a thin plate structure, and the upper cover is prone to deformation and abnormal noise during the use of the battery.

[0090] In the present application, the battery includes a box body, a battery assembly and a connector. The box body includes a bottom shell and an upper cover. The upper cover and the bottom shell are enclosed to form a storage space. The battery assembly is arranged in the storage space. The number of connectors is at least one. One end of the connector is connected to the large surface of the upper cover, and the other end of the connector is detachably connected to the battery assembly. By connecting one end of the connector to the large surface of the upper cover and the other end to the battery assembly in a detachable manner, the upper cover is connected to the battery assembly through the connector. The connector can be used to support the large surface of the upper cover, thereby improving the overall strength of the upper cover, and further reducing the problem of abnormal noise caused by deformation of the upper cover during the use of the battery.

[0091] The battery involved in the embodiment of the present application can be used in, but not limited to, electrical devices such as vehicles, ships or aircraft. A power supply system comprising the battery cells, batteries, etc. involved in the present application can be used to form the electrical device.

[0092] In the embodiments of the present application, the electric devices using batteries as power sources may be, but are not limited to, mobile phones, tablets, laptops, electric toys, electric tools, battery cars, electric cars, ships, spacecraft, etc. Among them, electric toys may include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc., and spacecraft may include airplanes, rockets, space shuttles, and spacecraft, etc.

[0093] It should be understood that the technical solutions described in the embodiments of the present application are not limited to the batteries and electrical equipment described above, but can also be applied to all batteries including a box and electrical equipment using the battery. However, for the sake of simplicity, the following embodiments are described using electric vehicles as an example.

[0094] Please refer to Figure 1 , Figure 1 A schematic diagram of the structure of a vehicle 1000 provided for some embodiments of the present application. As an electrical device, the vehicle 1000 may be a fuel vehicle, a gas vehicle or a new energy vehicle. The new energy vehicle may be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc. A battery 100 is provided inside the vehicle 1000, and the battery 100 may be provided at the bottom, head or tail of the vehicle 1000. The battery 100 may be used to power the vehicle 1000. For example, the battery 100 may be used as an operating power source for the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300. The controller 200 is used to control the battery 100 to power the motor 300, for example, for starting, navigating and driving the vehicle 1000.

[0095] In some embodiments of the present application, the battery 100 can not only serve as an operating power source for the vehicle 1000, but also serve as a driving power source for the vehicle 1000, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000.

[0096] Figure 2 A schematic structural diagram of a battery 100 according to an embodiment of the present application is shown. Figure 2 In the embodiment, the battery 100 may include a plurality of battery assemblies 10 and a case 20 , wherein the plurality of battery assemblies 10 are accommodated inside the case 20 .

[0097] In some embodiments, Figure 2 As shown, in order to meet different power requirements, the battery assembly 10 may include a plurality of battery cells 11, where the battery cell 11 refers to the smallest unit constituting the battery assembly. The plurality of battery cells 11 may be connected in series and / or in parallel via electrode terminals for use in various applications. The battery cell 11 may include but is not limited to a lithium-ion battery, a sodium-ion battery, or a magnesium-ion battery. In addition, the shape of the battery cell includes but is not limited to a cylindrical, flat, rectangular, or other shape.

[0098] The box 20 is used to accommodate the battery assembly 10 to reduce the impact of liquid or other foreign matter on the charging or discharging of the battery cells. The box 20 can be a simple three-dimensional structure such as a single cuboid, cylinder or sphere, or a complex three-dimensional structure composed of simple three-dimensional structures such as cuboids, cylinders or spheres. The material of the box 20 can be alloy materials such as aluminum alloy, iron alloy, etc., or polymer materials such as polycarbonate, polyisocyanurate foam plastics, or composite materials such as glass fiber and epoxy resin.

[0099] In some embodiments, the box 20 may include a first part and a second part, the first part and the second part cover each other, and the first part and the second part jointly define a space for accommodating the battery assembly 10. The second part may be a hollow structure with one end open, and the first part may be a plate-like structure, and the first part covers the open side of the second part, so that the first part and the second part jointly define a space for accommodating the battery assembly 10; the first part and the second part may also be hollow structures with one side open, and the open side of the first part covers the open side of the second part.

[0100] In some embodiments of the present application, Figures 2 to 11As shown, a battery 100 is proposed, which includes a case 20, a battery assembly 10 and a connector 30. The case 20 includes a bottom shell 22 and an upper cover 21. The upper cover 21 and the bottom shell 22 together form a storage space. The battery assembly 10 is arranged in the storage space. The number of the connector 30 is at least one. One end of the connector 30 is connected to the large surface of the upper cover 21, and the other end of the connector 30 is connected to the battery assembly 10 in a detachable manner.

[0101] In this embodiment, the bottom shell 22 is a hollow structure with an opening on one side, the upper cover 21 cooperates with the bottom shell 22, and the upper cover 21 closes the opening of the bottom shell 22. At this time, the space formed by the bottom shell 22 and the upper cover 21 is the accommodating space, and the battery assembly 10 is arranged inside the accommodating space.

[0102] In this application, if Figure 3 and Figure 7 As shown, by connecting one end of the connecting piece 30 to the upper cover 21 and the other end to the battery assembly 10 in a detachable manner, the upper cover 21 is connected to the battery assembly 10 through the connecting piece 30. The connecting piece 30 can be used to support the upper cover 21, thereby improving the overall strength of the upper cover 21 and reducing the problem of abnormal noise caused by deformation of the upper cover 21 during the use of the battery 100.

[0103] It should be noted that the connection between the upper cover 21 and the bottom shell 22 includes, but is not limited to, welding, bonding, clamping or connection and fixing by fasteners (screws, bolts or clips, etc.). In addition, a sealing structure (sealing ring or sealant, etc.) is provided at the joint position between the upper cover 21 and the bottom shell 22. By providing the sealing structure, the accommodation space is isolated from the outside world, effectively reducing the adverse effects of external environmental factors on the battery assembly 10, and improving the service life of the battery 100 and the safety during use.

[0104] In addition, if Figure 3 As shown, the number of the connectors 30 can be 1, 2, 3, 6, 8, 10, 15, 20, 25, 30, 25, 40, 45, 50, 55, 60, 65, 70, 75, 80, 90, 95, 100. When the number of the connectors 30 is greater than one, the connectors 30 are dispersed on the upper cover 21 (the dispersion can be uniform or uneven).

[0105] In addition, the position where the connecting member 30 is connected to the upper cover 21 includes but is not limited to the large surface of the upper cover 21 or the locking position between the upper cover 21 and the bottom shell 22.

[0106] In some embodiments of the present application, one end of the connector 30 is connected to the large surface of the upper cover 21. The large surface of the upper cover 21 is connected to the battery assembly 10 through the connector 30, and the connector 30 is used to support the large surface of the upper cover 21, further improving the overall strength of the upper cover 21, thereby reducing the problem of abnormal noise caused by deformation of the upper cover during use of the battery 100.

[0107] like Figure 2 , Figure 3 and Figure 5 As shown, the upper cover 21 is a plate-like member, which includes two oppositely arranged large surfaces, wherein the large surface refers to the surface with the largest area of ​​the upper cover 21. When the upper cover 21 is matched with the bottom shell 22, one of the two large surfaces is arranged to face the battery assembly 10, and one end of the connector 30 is connected to the large surface of the upper cover 21 facing the battery assembly 10.

[0108] When the battery 100 is assembled, the battery assembly 10 is first placed in the bottom shell 22, and then the upper cover 21 with the large surface of the connecting member 30 is placed facing the battery assembly 10, and the end of the connecting member 30 facing away from the upper cover 21 is matched with the battery assembly 10 in a detachable manner, and finally the upper cover 21 and the bottom shell 22 are connected and fixed.

[0109] The upper cover 21, which is a plate-like member, is a thin plate structure. In the prior art, the large surface of the thin plate is a suspended structure. During the use of the battery 100, vibration and other reasons may cause the upper cover 21 to undergo elastic deformation, and the elastic deformation may fluctuate with the vibration, and the upper cover 21 may produce abnormal noise during the fluctuation.

[0110] In the present application, the detachable connection method between the connector 30 and the battery assembly 10 includes but is not limited to snap connection or screw connection.

[0111] In some embodiments of the present application, Figure 7 As shown, the battery assembly 10 includes a snap-fit ​​structure, and the connector 30 is snap-fitted with the snap-fit ​​structure.

[0112] Specifically, the connector 30 and the battery assembly 10 are configured to be snap-fitted, thereby facilitating the connection between the upper cover 21 and the battery assembly 10 during the assembly process, thereby improving the efficiency of assembly. At the same time, it is also convenient to separate the upper cover 21 from the battery assembly 10 during the maintenance of the battery 100, thereby improving the convenience of removing the upper cover 21.

[0113] In addition, the snap-fit ​​connection method has better structural stability, so that the connecting member 30 can provide good support for the upper cover 21, further reducing the occurrence of abnormal noise from the upper cover 21.

[0114] In addition, the snap-fitting method has a simple structure and is easy to implement, thereby effectively reducing the manufacturing cost.

[0115] In some embodiments of the present application, the battery assembly 10 includes a plurality of electrical connectors 12 that are spaced apart from each other. The electrical connectors 12 corresponding to the connectors 30 are provided with latch holes that constitute latch structures.

[0116] In the present application, the electrical connector 12 is a converging component, which is used for the electrical lead-out structure of the battery assembly 10 so that the battery assembly 10 can perform charge and discharge operations. There are multiple electrical connectors 12, and the battery assembly 10 is converged by using multiple electrical connectors 12, so that the battery 100 has good electrical lead-out performance.

[0117] It should be understood that the shape and size of the clamping hole are compatible with the insertion end of the connecting member 30. When a part of the structure of the connecting member 30 is inserted into the clamping hole, the two can be clamped and fixed by an interference fit.

[0118] In addition, the clamping hole is formed on the electrical connector 12 arranged opposite to the connector 30 , and other electrical connectors 12 corresponding to the connector 30 do not need to be formed with corresponding clamping holes.

[0119] Specifically, when the connector 30 is matched with the electrical connector 12, part of the connector 30 is inserted into the clamping hole of the electrical connector 12, and the clamping hole and the connector 30 are clamped together to fix the connector 30 with the electrical connector 12. The clamping structure of the battery assembly 10 is set as a clamping hole, and the connector 30 is positioned by the clamping hole, which improves the position accuracy of the connector 30 and reduces the displacement of the connector 30, so that the connector 30 can effectively support the upper cover 21, thereby reducing the abnormal noise caused by the deformation of the upper cover 21 during the use of the battery 100.

[0120] In some embodiments of the present application, Figure 7 As shown, the battery assembly 10 includes a plurality of electrical connectors 12 arranged at intervals, and the space between two adjacent electrical connectors 12 constitutes a snap-fit ​​structure.

[0121] In the present application, the multiple electrical connectors 12 include electrical connectors 12 for positive electrode electrical lead-out and electrical connectors 12 for negative electrode electrical lead-out, wherein the number of electrical connectors 12 for positive electrode electrical lead-out is multiple and the number of electrical connectors for negative electrode electrical lead-out is also multiple.

[0122] Among them, two adjacently arranged electrical lead-out members can both be used for positive electrode electrical lead-out, both be used for negative electrode electrical lead-out, or one can be used for positive electrode electrical lead-out and the other can be used for negative electrode electrical lead-out.

[0123] Specifically, the multiple electrical connectors 12 of the battery assembly 10 are arranged in a preset manner, and the two adjacent electrical connectors 12 are spaced apart. The space between the two adjacent electrical connectors 12 corresponding to the position of the connector 30 constitutes a clamping structure. When the connector 30 is clamped and fixed, a part of the body of the connector 30 is inserted into the space between the two adjacent electrical connectors 12, and the connector 30 is clamped and matched with at least one electrical connector 12 to achieve the fixation of the connector 30.

[0124] By configuring the space between two adjacent electrical connectors 12 to be a clamping structure, the structural changes to the battery 100 can be reduced, and the manufacturing cost of the battery 100 can be effectively reduced.

[0125] In some embodiments of the present application, Figures 7 to 11 As shown, the connector 30 includes a card piece 32 and a connector body 31. The card piece 32 is an elastic structure. One end of the connector body 31 is connected to the large surface of the upper cover 21, and the other end of the connector body 31 is inserted into the space between two adjacent electrical connectors 12. At least one card piece 32 is provided on the connector body 31. Among the two adjacent electrical connectors 12, at least one electrical connector 12 is in contact with a card piece 32 on the side facing away from the upper cover 21.

[0126] Specifically, two adjacent electrical connectors 12 are arranged at intervals, and the interval between the two constitutes a snap-fit ​​structure. When the connector 30 is snap-fitted with the snap-fit ​​structure, the end of the connector 30 that faces away from the upper cover 21 is inserted between the two adjacent electrical connectors 12. As the connector body 31 of the connector 30 is gradually inserted, the snap-fit ​​sheet 32 ​​on the connector body 31 undergoes elastic deformation and passes through the interval between the two adjacent electrical connectors 12. After passing through the interval between the two adjacent electrical connectors 12, the snap-fit ​​sheet 32 ​​restores its elastic deformation. When the connector 30 is installed in place, the snap-fit ​​sheet 32 ​​adjacent to the side of the electrical connector 12 that faces away from the upper cover 21 abuts against one of the two adjacent electrical connectors 12, thereby achieving snap-fit ​​fixation of the connector 30.

[0127] It should be understood that the size of the position of the connector 31 with the snap-in piece 32 is larger than the size of the interval between two adjacent electrical connectors 12. When the snap-in piece 32 with an elastic structure passes through the position between two adjacent electrical connectors 12 under elastic deformation, the snap-in piece 32 restores the elastic deformation to form a structure similar to a hook, and the snap-in piece 32 is the hook portion of the hook, and uses the hook portion to hook at least one electrical connector 12.

[0128] In the present application, the clamping piece 32 is used to abut against the side of the electrical connector 12 facing away from the top cover to reduce the separation of the connector 30 and the electrical connector 12 in the direction X from the upper cover 21 to the battery assembly 10 (the direction in which the upper cover 21 separates from the bottom shell 22), thereby improving the connection stability between the connector 30 and the electrical connector 12.

[0129] It should be noted that the card connector 32 and the connector 31 can be an integrated structure, or they can be processed separately and then connected together. In the present application, the card connector 32 and the connector 31 are an integrated structure, and the two are processed and manufactured by an integrated processing method, thereby reducing the processing steps and reducing the manufacturing cost.

[0130] In addition, the electrical connector 12 is a sheet-like structure. By setting the electrical connector 12 as a sheet-like structure, when the clamping piece 32 abuts against the electrical connector 12, the contact area between the clamping piece 32 and the electrical connector 12 can be increased, thereby improving the clamping strength and improving the stability of the connection position.

[0131] In some embodiments of the present application, Figures 7 to 11 As shown, along the direction perpendicular to the connecting body 31, the connecting body 31 includes a first side surface 311 and a second side surface 312 which are oppositely arranged. The first side surface 311 and the second side surface 312 are respectively arranged opposite to two adjacently arranged electrical connectors 12. The clamping piece 32 includes a plurality of first clamping pieces 321 and a plurality of second clamping pieces 322. The plurality of first clamping pieces 321 are respectively arranged on the first side surface 311 and are arranged at intervals along the direction X from the upper cover 21 to the battery assembly 10. The plurality of second clamping pieces 322 are respectively arranged on the second side surface 312 and are arranged at intervals along the direction X from the upper cover 21 to the battery assembly 10. Among the two adjacently arranged electrical connectors 12, the side of the electrical connector 12 arranged opposite to the first side surface 311 which faces away from the upper cover 21 abuts against a first clamping piece 321, and the side of the electrical connector 12 arranged opposite to the second side surface 312 which faces away from the upper cover 21 abuts against a second clamping piece 322.

[0132] Specifically, by respectively abutting the side of the two connected electrical connectors 12 facing away from the upper cover 21 with a first snap-in piece 321 and a second snap-in piece 322, the opposite sides of the connector 30 can be respectively matched with the two connected electrical connectors 12, thereby increasing the contact position between the connector 30 and the two adjacent electrical connectors 12, further improving the stability of the connection between the connector 30 and the two adjacent electrical connectors 12, and enhancing the strength of the connection position.

[0133] It should be noted that the spacing between the multiple first card plates 321 located on the first side 311 can be equal or unequal; similarly, the spacing between the multiple second card plates 322 located on the second side 312 can be equal or unequal.

[0134] In addition, the structures of the first engaging piece 321 and the second engaging piece 322 may be the same or different.

[0135] In some embodiments of the present application, Figures 7 to 11 As shown, a plurality of first clamping pieces 321 and second clamping pieces 322 are symmetrically arranged relative to the connecting body 31 .

[0136] Specifically, two adjacent electrical connectors 12 are spaced apart and form a snap-on structure, the side of the electrical connector 12 facing one side of the connector 31 is the first side 311, and the side of the connector 31 facing the other side is the second side 312, a plurality of first connecting plates are arranged on the first side 311 and spaced apart along the direction X from the upper cover 21 to the battery assembly 10, a plurality of second connecting plates are arranged on the second side 312 and spaced apart along the direction X from the upper cover 21 to the battery assembly 10, wherein the plurality of first connecting plates and the plurality of second connecting plates are symmetrically arranged relative to the connector 31.

[0137] By setting the first connecting piece and the second connecting piece, the connecting piece 30 has a symmetrical structure, so that when it is snap-fitted with two adjacent electrical connectors 12, the first side surface 311 and the second side surface 312 are snap-fitted synchronously and the first side surface 311 and the second side surface 312 can have consistent fitting strength with the two adjacent electrical connectors 12.

[0138] It should be noted that the distance between one end of the first clamping piece 321 facing away from the connecting body 31 and one end of the second clamping piece 322 facing away from the connecting body 31 is greater than the distance between two adjacent electrical connectors 12 .

[0139] In some embodiments of the present application, Figure 7 As shown, among the two adjacent electrical connectors 12, the side of the electrical connector 12 arranged opposite to the first side 311 facing the upper cover 21 abuts against a first clamping piece 321, and the side of the electrical connector 12 arranged opposite to the second side 312 facing the upper cover 21 abuts against a second clamping piece 322.

[0140] Specifically, when the connector 30 is engaged with the snap-fit ​​structure, the end of the connector 30 facing away from the upper cover 21 is inserted between two adjacent electrical connectors 12. As the connector body 31 of the connector 30 is gradually inserted, the first snap-fit ​​piece 321 on the first side surface 311 and the second snap-fit ​​piece 322 on the second side surface 312 of the connector body 31 are elastically deformed and pass through the position between the two adjacent electrical connectors 12. After passing through the position between the two adjacent electrical connectors 12, the first snap-fit ​​piece 321 and the second snap-fit ​​piece 322 restore their elastic deformations respectively. When the connector 30 is installed in place, the first snap-fit ​​piece 321 and the second snap-fit ​​piece 322 adjacent to the side of the electrical connector 12 facing away from the upper cover 21 are respectively abutted against the two adjacent electrical connectors 12, and the first snap-fit ​​piece 321 and the second snap-fit ​​piece 322 adjacent to the side of the electrical connector 12 facing the upper cover 21 are respectively abutted against the two adjacent electrical connectors 12, so as to realize the snap-fit ​​fixation of the connector 30.

[0141] On the first side surface 311 of the connector 31, there are two first clips 321 respectively abutting against the opposite sides of the electrical connector 12, and on the second side surface 312 of the connector 31, there are two second clips 322 respectively abutting against the opposite sides of the electrical connector 12. By setting the first clips 321 and the second clips 322, a limit is formed in the direction X from the upper cover 21 to the battery assembly 10, which further reduces the movement of the upper cover 21 close to or away from the battery assembly 10, thereby improving the overall structural strength of the upper cover 21 and reducing the abnormal noise caused by deformation of the upper cover 21.

[0142] In some embodiments of the present application, Figures 8 to 11 As shown, the first engaging piece 321 and the first side surface 311 are arranged at a first preset angle, and the first preset angle ranges from 30° to 150°.

[0143] By setting the first preset angle, the connecting member 30 can be selected according to specific installation requirements, thereby improving the versatility of the connecting member 30.

[0144] It should be understood that the value of the first preset angle can be 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, 130°, 140°, or 150°.

[0145] In some embodiments of the present application, the second engaging piece 322 and the second side surface 312 are arranged at a second preset angle, and the second preset angle ranges from 30° to 150°.

[0146] By setting the second preset angle, the connector 30 can be selected according to specific installation requirements, thereby improving the versatility of the connector 30.

[0147] It should be understood that the value of the second preset angle can be 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, 130°, 140°, or 150°.

[0148] In some embodiments of the present application, Figure 7 As shown, along the direction X from the upper cover 21 to the battery assembly 10 , among the plurality of first card plates 321 , the distance between the first card plate 321 at the starting position and the first card plate 321 at the ending position is L1 , wherein L1 > 5 mm.

[0149] By providing a plurality of first snap-fit ​​pieces 321 on the connector 31, the first snap-fit ​​pieces 321 can cover a sufficient area of ​​the connector 31 in the direction X from the upper cover 21 to the battery assembly 10. When the distance between the upper cover 21 and the electrical connector 12 changes (due to manufacturing tolerances, etc.), the electrical connector 12 cooperates with the first snap-fit ​​pieces 321 located at different positions, thereby making it possible to utilize the manufacturing tolerance between the battery assembly 10 and the upper cover 21, thereby achieving effective connection between the battery assembly 10 and the upper cover 21.

[0150] It should be pointed out that, in the present application, the value of L1 can be 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, or 15mm.

[0151] In some embodiments of the present application, Figure 7 As shown, along the direction X from the upper cover 21 to the battery assembly 10 , among the plurality of second card plates 322 , the distance between the second card plate 322 at the starting position and the second card plate 322 at the ending position is L2 , wherein L2>5mm.

[0152] By providing a plurality of second snap-on plates 322 on the connector 31, the second snap-on plates 322 can cover a sufficient area of ​​the connector 31 in the direction X from the upper cover 21 to the battery assembly 10. When the distance between the upper cover 21 and the electrical connector 12 changes (due to manufacturing tolerances, etc.), the electrical connector 12 cooperates with the second snap-on plates 322 located at different positions, thereby making it possible to utilize the manufacturing tolerances between the battery assembly 10 and the upper cover 21, thereby achieving effective connection between the battery assembly 10 and the upper cover 21.

[0153] It should be pointed out that in the present application, the value of L2 can be 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, or 15mm.

[0154] In some embodiments of the present application, Figure 7 As shown, along the direction X from the upper cover 21 to the battery assembly 10, the distance between two adjacent first clamping pieces 321 ranges from 1mm to 2mm. When the connector 30 is clamped with the electrical connector 12, a group of adjacent first clamping pieces 321 respectively abut against the opposite sides of the electrical connector 12 on one side. By setting the distance between two adjacent first clamping pieces 321, the thickness of the electrical connector 12 can be effectively adapted, thereby improving the strength of the clamping, so that the stability of the structure can be effectively improved.

[0155] It should be understood that the existing electrical connector 12 is a plate-like structure. By setting the distance range between two adjacent first clips 321 to 1mm to 2mm, the space between the two adjacent first clips 321 can be adapted to the electrical connector 12, thereby reducing changes to the electrical connector 12 and reducing manufacturing costs.

[0156] It should be pointed out that in the present application, the distance between two adjacent first card plates 321 is L3, where the value of L3 can be 1mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, or 2mm.

[0157] In some embodiments of the present application, Figure 7 As shown, along the direction X from the upper cover 21 to the battery assembly 10, the distance between two adjacent second card plates 322 ranges from 1mm to 2mm. When the connector 30 is engaged with the electrical connector 12, a group of adjacent second card plates 322 respectively abut against the opposite sides of the electrical connector 12 on the other side. By setting the distance between two adjacent second card plates 322, the thickness of the electrical connector 12 can be effectively adapted, thereby improving the strength of the engagement and effectively improving the stability of the structure.

[0158] It should be understood that the existing electrical connector 12 is a plate-like structure. By setting the distance range between two adjacent second clips 322 to 1mm to 2mm, the space between two adjacent second clips 322 can be adapted to the electrical connector 12, thereby reducing changes to the electrical connector 12 and reducing manufacturing costs.

[0159] It should be pointed out that in the present application, the distance between two adjacent second card plates 322 is L4, where the value of L4 can be 1mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, or 2mm.

[0160] In some embodiments of the present application, Figure 7 As shown, the size of the first clamping piece 321 is in the range of 20 mm to 50 mm along the direction perpendicular to the first side surface 311. Specifically, by setting the size of the first clamping piece 321 in the direction perpendicular to the first side surface 311, the first clamping piece 321 and the electrical connector 12 have a sufficient contact area, thereby improving the clamping strength between the electrical connector 12 and the first clamping piece 321, and reducing the possibility of the first clamping piece 321 falling off relative to the electrical connector 12.

[0161] It should be pointed out that in the present application, along the direction perpendicular to the first side surface 311, the size of the first card plate 321 is d1, where the value of d1 can be 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm, 44mm, 46mm, 48mm, 50mm.

[0162] In some embodiments of the present application, Figure 7 As shown, the size of the second clamping piece 322 is in the range of 20 mm to 50 mm in the direction perpendicular to the second side surface 312. Specifically, by setting the size of the second clamping piece 322 in the direction perpendicular to the second side surface 312, the second clamping piece 322 and the electrical connector 12 have a sufficient contact area, thereby improving the clamping strength between the electrical connector 12 and the second clamping piece 322 and reducing the second clamping piece 322 from falling off relative to the electrical connector 12.

[0163] It should be pointed out that in the present application, along the direction perpendicular to the second side surface 312, the size of the second card plate 322 is d2, where the value of d1 can be 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm, 44mm, 46mm, 48mm, 50mm.

[0164] In some embodiments of the present application, the thickness of the clamping piece 32 is in the range of 0.5 mm to 1 mm.

[0165] Specifically, the card plate 32 is an elastic structure that can undergo elastic deformation. By setting the thickness range of the card plate 32 to 0.5 mm to 1 mm, the card plate 32 can effectively reduce the space occupied inside the battery 100 while having good elastic properties, which is beneficial to improving the space utilization of the battery 100.

[0166] In addition, by setting the thickness of the card plate 32, the card plate 32 has good elasticity. By setting the thickness of the card plate 32, the card plate 32 has a certain strength, which can help improve the connection strength and stability between the connector 30 and the electrical connector 12.

[0167] It should be pointed out that, in the present application, the thickness range of the card plate 32 can be 0.5 mm, 0.55 mm, 0.6 mm, 0.65 mm, 0.7 mm, 0.75 mm, 0.8 mm, 0.85 mm, 0.9 mm, 0.95 mm, and 1 mm.

[0168] In some embodiments of the present application, Figure 7 As shown, along the direction X from the upper cover 21 to the battery assembly 10, the size of the connector 31 ranges from 10 mm to 20 mm. By setting the size of the connector 31 in the direction X from the upper cover 21 to the battery assembly 10, the connector 31 can effectively reach the position of the electrical connector 12 and engage with the electrical connector 12, so that the connector 30 supports the upper cover 21, thereby improving the overall structural strength of the upper cover 21.

[0169] It should be pointed out that in the present application, the dimension of the connector 31 along the direction X from the upper cover 21 to the battery assembly 10 is L, where the value of L can be 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, or 20mm.

[0170] In some embodiments of the present application, Figure 7 , Figure 8 , Fig.10 and Fig.11 As shown, along the direction X from the upper cover 21 to the battery assembly 10, the end of the connector 31 away from the upper cover 21 is a contraction structure. By setting the end of the connector 31 away from the upper cover 21 to a contraction structure, the connector 30 is easily inserted into the clamping structure formed by the two separated electrical connectors 12, thereby improving the convenience of assembly.

[0171] It should be noted that the contraction structure can be a triangle or a trapezoid, etc.

[0172] In some embodiments of the present application, Fig. 9As shown, along the first direction X, the size of the connector 31 ranges from 20 mm to 50 mm, the size of the clamping piece 32 is less than or equal to the size of the connector 31, the first direction X is perpendicular to the spacing direction of two adjacent electrical connectors 12, and the first direction X is parallel to the horizontal plane.

[0173] Specifically, by setting the size of the connector 31 in the first direction, the contact area between the clamping piece 32 and the electrical connector 12 is increased, and the connection strength and stability between the connector 30 and two adjacent electrical connections are further improved.

[0174] In addition, by setting the dimension of the connector 31 in the extension direction of the space between two adjacent electrical connectors 12, the connector 30 has a certain bending ability, thereby absorbing the tolerance between the upper cover 21 and the electrical connector 12, so that assembly can be effectively implemented.

[0175] It should be understood that the first side surface 311 and the second side surface 312 of the connector 31 may be in a rectangular, triangular, trapezoidal or other shapes.

[0176] It should be pointed out that in the present application, along the extension direction of the spacing space between two adjacent electrical connectors 12, the size of the connector 30 is m, where the value of m can be 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm, 44mm, 46mm, 48mm, 50mm.

[0177] In some embodiments of the present application, the connection between the connector 30 and the upper cover 21 includes bonding, welding or clamping. By setting the connection between the connector 30 and the upper cover 21, the connection strength between the connector 30 and the upper cover 21 is improved, the support strength of the connector 30 on the upper cover 21 is further improved, and the abnormal noise caused by deformation of the upper cover 21 is reduced.

[0178] In some embodiments of the present application, the connector 30 is an insulating component. By setting the connector 30 as an insulating component, the battery assembly 10 can be insulated from the upper cover 21, reducing the potential safety hazards caused by the battery assembly 10 and the upper cover 21 being energized.

[0179] It should be pointed out that, in the present application, the connector 30 which is an insulating component can be an ABS plastic (Acrylonitrile Butadiene Styrene plastic) part, a POM (Paraformaldehyde) part, a PP (Polypropylene) part, or the like.

[0180] In some embodiments of the present application, Figure 2 and Figure 6 As shown, the battery assembly 10 includes a plurality of battery cells 11, and the plurality of battery cells 11 are arranged in an array. Along the arrangement direction of the plurality of battery cells 11, two adjacent battery cells 11 are spaced apart, and part of the body of the connector 30 is disposed in the space between the two adjacent battery cells 11.

[0181] Specifically, the space between two adjacent battery cells 11 is used to accommodate part of the body of the connector 30, thereby reducing the impact of the connector 30 on the internal space of the battery 100, improving the overall space utilization of the battery 100, and enhancing the compactness of the internal structure of the battery 100.

[0182] It is important to understand that Figure 7 As shown, two adjacent battery cells 11 are spaced apart, a heat exchanger 50 is provided in the space between the two adjacent battery cells 11 , and the heat exchanger 50 is used to exchange heat between the two adjacent battery cells 11 , and part of the body of the connector 30 is arranged opposite to the heat exchanger 50 .

[0183] In some embodiments of the present application, Figure 3 As shown, the number of the connecting members 30 ranges from 20 to 100.

[0184] Specifically, the number of connectors 30 is set so that the connection position between the upper cover 21 and the battery assembly 10 can be improved, the structural strength of the upper cover 21 can be further improved, and the occurrence of abnormal noise caused by deformation of the upper cover 21 can be further reduced.

[0185] In some embodiments of the present application, Figure 7 As shown, the battery 100 also includes a heat insulation board 40, which is arranged on the large surface of the upper cover 21 facing the battery assembly 10, and the connector 30 is arranged through the heat insulation board 40. The heat insulation board can reduce the heat transfer from the inside of the battery 100 to the upper cover 21, and reduce the adverse effects of the upper cover 21 on other surrounding components due to excessive temperature rise. In addition, the heat insulation board is arranged on the upper cover 21, so that the two can form an integrated structure, thereby simplifying the installation structure and improving the convenience of assembly.

[0186] It should be pointed out that, in the present application, the heat insulation board 40 is a mica board, which is molded on the large surface of the upper cover 21 facing the battery assembly 10 by asphalt.

[0187] In some embodiments of the present application, the battery 100 further includes an insulating member, which is disposed on a large surface of the heat insulation plate 40 facing the battery assembly 10 , and the connector 30 is disposed through the insulating member.

[0188] Specifically, the insulating member is an insulating sheet or an insulating film, which is connected to the heat insulation board 40 by bonding or the like. By providing the insulating member, the battery assembly 10 is insulated by the insulating member, so that the safety of the battery 100 is effectively improved.

[0189] like Figure 1 As shown, the second aspect of the present application proposes an electric device, which includes a battery 100 as described above.

[0190] The electrical device has the battery 100 as described above, and the beneficial effects of the battery 100 are the same as the beneficial effects of the battery 100 as described above, which will not be described in detail in this application.

[0191] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below.

[0192] In the implementation mode of the present application, Figures 2 to 11 As shown, the present application proposes a battery 100, which includes a box 20, a battery assembly 10 and a connector 30. The box 20 includes a bottom shell 22 and an upper cover 21, the upper cover 21 and the bottom shell 22 are enclosed to form a storage space, the battery assembly 10 is arranged in the storage space, the battery assembly 10 includes a plurality of battery cells 11 and a plurality of electrical connectors 12, the number of connectors 30 is multiple, the plurality of battery cells 11 are electrically led out through a plurality of electrical connectors 12 respectively, two adjacent electrical connectors 12 are arranged at intervals, the connector 30 is an insulating component, one end of the connector 30 is bonded and fixed to the large surface of the upper cover 21 facing the battery assembly 10, and the other end of the connector 30 is inserted into the space between the two adjacent electrical connectors 12 and is clamped and fixed to the electrical connector 12. The electrical connector 12 is a bar.

[0193] Furthermore, the connector 30 includes a snap-in piece 32 and a connector 31, the snap-in piece 32 is an elastic structure, one end of the connector 31 is connected to the large surface of the upper cover 21, and the other end of the connector 31 is inserted in the space between two adjacent electrical connectors 12, the connector 31 includes a first side surface 311 and a second side surface 312 that are oppositely arranged, the first side surface 311 and the second side surface 312 are respectively arranged opposite to the two adjacent electrical connectors 12, the snap-in piece 32 includes a plurality of first snap-in pieces 321 and a plurality of second snap-in pieces 322, the plurality of first snap-in pieces 321 are respectively arranged on the first side surface 311 and are spaced apart along the direction X from the upper cover 21 to the battery assembly 10, the plurality of second snap-in pieces 322 are respectively arranged on the second side surface 312 and are spaced apart along the direction X from the upper cover 21 to the battery assembly 10, and the plurality of first snap-in pieces 321 and the second snap-in pieces 322 are symmetrically arranged relative to the connector 31.

[0194] Of the two adjacent electrical connectors 12, the side of the electrical connector 12 arranged opposite to the first side 311 facing away from the upper cover 21 abuts against a first clip 321, and the side of the electrical connector 12 arranged opposite to the second side 312 facing away from the upper cover 21 abuts against a second clip 322. Of the two adjacent electrical connectors 12, the side of the electrical connector 12 arranged opposite to the first side 311 facing the upper cover 21 abuts against a first clip 321, and the side of the electrical connector 12 arranged opposite to the second side 312 facing the upper cover 21 abuts against a second clip 322.

[0195] Furthermore, the first engaging piece 321 and the first side surface 311 are arranged at a first preset angle of 90°, and the second engaging piece 322 and the second side surface 312 are arranged at a second preset angle of 90°.

[0196] Furthermore, along the direction X from the upper cover 21 to the battery assembly 10, among the multiple first card plates 321, the distance between the first card plate 321 located at the starting position and the first card plate 321 located at the ending position is L1, wherein L1>5mm, and among the multiple second card plates 322, the distance between the second card plate 322 located at the starting position and the second card plate 322 located at the ending position is L2, wherein L2>5mm.

[0197] Furthermore, along the direction X from the upper cover 21 to the battery assembly 10, the distance between two adjacent first card plates 321 ranges from 1mm to 2mm, and along the direction X from the upper cover 21 to the battery assembly 10, the distance between two adjacent second card plates 322 ranges from 1mm to 2mm.

[0198] Furthermore, along a direction perpendicular to the first side surface 311 , a size of the first engaging piece 321 ranges from 20 mm to 50 mm, and along a direction perpendicular to the second side surface 312 , a size of the second engaging piece 322 ranges from 20 mm to 50 mm.

[0199] Furthermore, the thickness of the clamping piece 32 is in the range of 0.5 mm to 1 mm.

[0200] Further, along the direction X from the upper cover 21 to the battery assembly 10, the size of the connector 31 ranges from 10 mm to 20 mm;

[0201] Furthermore, along the direction X from the upper cover 21 to the battery assembly 10 , the end of the connector 31 away from the upper cover 21 is a contraction structure.

[0202] Furthermore, the first side surface 311 and the second side surface 312 of the connector 31 are both rectangular. Along the extension direction of the spacing space between two adjacent electrical connectors 12 , the size of the connector 30 ranges from 20 mm to 50 mm, and the size of the snap-in piece 32 is equal to that of the connector 31 .

[0203] Furthermore, a plurality of battery cells 11 are arranged in an array, and along the arrangement direction of the plurality of battery cells 11 , two adjacent battery cells 11 are spaced apart, and a portion of the body of the connector 30 is disposed in the space between the two adjacent battery cells 11 .

[0204] Furthermore, the number of the connecting members 30 ranges from 20 to 100.

[0205] Furthermore, the battery 100 also includes a heat insulation plate 40 and an insulating member. The heat insulation plate 40 is arranged on the large surface of the upper cover 21 facing the battery assembly 10, and the insulating member is arranged on the large surface of the heat insulation plate 40 facing the battery assembly 10. The connecting member 30 shuttles through the heat insulation plate 40 and the insulating member respectively.

[0206] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A battery, characterized in that: The battery comprises: A box body, the box body comprising a bottom shell and an upper cover, the upper cover and the bottom shell together form a containing space; A battery assembly, wherein the battery assembly is arranged in the accommodation space; A connector, the number of which is at least one, one end of which is connected to the upper cover, and the other end of which is connected to the battery assembly in a detachable manner.

2. The battery according to claim 1, characterized in that The one end of the connecting piece is connected to the large surface of the upper cover.

3. The battery according to claim 1, characterized in that The battery assembly comprises a snap-fit ​​structure, and the connecting piece is snap-fitted with the snap-fit ​​structure.

4. The battery according to claim 3, characterized in that The battery assembly comprises a plurality of electrical connectors arranged at intervals, and a clamping hole is provided at a position of the electrical connector corresponding to the connector, and the clamping hole constitutes the clamping structure.

5. The battery according to claim 3, characterized in that The battery assembly includes a plurality of electrical connectors arranged at intervals, and the space between two adjacent electrical connectors constitutes the clamping structure.

6. The battery according to claim 5, characterized in that The connecting piece comprises: A card connecting piece, wherein the card connecting piece is an elastic structure; A connector, one end of which is connected to the upper cover, and the other end of which is inserted into the space between two adjacent electrical connectors, and at least one card connecting piece is provided on the connector; Among the two adjacent electrical connectors, at least one of the electrical connectors has a side facing away from the upper cover that abuts against one of the card plates.

7. The battery according to claim 6, characterized in that Along a direction perpendicular to the connecting body, the connecting body includes a first side surface and a second side surface which are oppositely arranged, the first side surface and the second side surface are respectively arranged opposite to two adjacently arranged electrical connectors, the card connecting piece includes a plurality of first card connecting pieces and a plurality of second card connecting pieces, the plurality of first card connecting pieces are respectively arranged on the first side surface and are spaced apart along a direction from the upper cover to the battery assembly, and the plurality of second card connecting pieces are respectively arranged on the second side surface and are spaced apart along a direction from the upper cover to the battery assembly; Among them, among the two adjacent electrical connectors, the side of the electrical connector arranged opposite to the first side face away from the upper cover abuts against one of the first clamping pieces, and the side of the electrical connector arranged opposite to the second side face away from the upper cover abuts against one of the second clamping pieces.

8. The battery according to claim 7, characterized in that The plurality of first card contacts and the second card contact are symmetrically arranged relative to the connecting body.

9. The battery according to claim 7, characterized in that Among the two adjacent electrical connectors, the side of the electrical connector arranged opposite to the first side facing the upper cover abuts against one of the first clamping pieces, and the side of the electrical connector arranged opposite to the second side facing the upper cover abuts against one of the second clamping pieces.

10. The battery according to claim 7, characterized in that The first clamping piece and the first side face are arranged at a first preset angle, and the first preset angle ranges from 30° to 150°; And / or, the second engaging piece and the second side surface are arranged at a second preset angle, and the second preset angle is in the range of 30° to 150°.

11. The battery according to claim 7, characterized in that Along the direction from the upper cover to the battery assembly, among the plurality of first card contacts, the distance between the first card contact at the starting position and the first card contact at the ending position is L1, wherein L1>5mm; And / or, along the direction from the upper cover to the battery assembly, among the plurality of second card contacts, a distance between the second card contact at a starting position and the second card contact at a terminal position is L2, wherein L2>5mm.

12. The battery according to claim 7, characterized in that Along the direction from the upper cover to the battery assembly, the distance between two adjacent first card contacts ranges from 1 mm to 2 mm; And / or, along the direction from the upper cover to the battery assembly, the distance between two adjacent second card plates ranges from 1 mm to 2 mm.

13. The battery according to claim 7, characterized in that Along a direction perpendicular to the first side surface, a size range of the first card piece is 20 mm to 50 mm; And / or, along a direction perpendicular to the second side surface, a size of the second engaging piece ranges from 20 mm to 50 mm.

14. The battery according to claim 6, characterized in that The thickness of the clamping piece ranges from 0.5 mm to 1 mm.

15. The battery according to claim 6, characterized in that Along the direction from the upper cover to the battery assembly, the size of the connector ranges from 10 mm to 20 mm; And / or, along the direction from the upper cover to the battery assembly, the end of the connector away from the upper cover is a contraction structure.

16. The battery according to any one of claims 6 to 15, characterized in that Along the first direction, the size of the connector ranges from 20 mm to 50 mm, the size of the clamping piece is smaller than or equal to the size of the connector, the first direction is perpendicular to the spacing direction of two adjacent electrical connectors, and the first direction is parallel to the horizontal plane.

17. The battery according to any one of claims 4 to 15, characterized in that The connection method between the connecting member and the upper cover includes bonding, welding or clamping; And / or, the connecting member is an insulating member; And / or, the electrical connector is a tab.

18. The battery according to any one of claims 1 to 15, characterized in that The battery assembly includes a plurality of battery cells, which are arranged in an array. Two adjacent battery cells are spaced apart along an arrangement direction of the battery cells, and a portion of the body of the connector is disposed in a space between two adjacent battery cells.

19. The battery according to any one of claims 1 to 15, characterized in that The number of the connecting pieces ranges from 20 to 100.

20. The battery according to any one of claims 1 to 15, characterized in that The battery further comprises a heat insulation board, which is arranged on a large surface of the upper cover facing the battery assembly, and the connector is arranged through the heat insulation board.

21. The battery according to claim 20, characterized in that The battery further comprises an insulating member, wherein the insulating member is arranged on a large surface of the heat insulation plate facing the battery assembly, and the connecting member is arranged through the insulating member.

22. An electrical equipment, characterized in that: The electric device comprises the battery according to any one of claims 1 to 21.

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