Battery device, insulating connecting piece and electric device

Abstract

The embodiment of the invention discloses a battery device, an insulation connecting piece and a power utilization device, a high-voltage box comprises a confluence component and a fixing piece, the insulation connecting piece comprises a shell, connecting parts and a height adjusting assembly, first grooves are formed in the two opposite end faces of the shell in the axial direction, the connecting parts are arranged in the first grooves, and the height adjusting assembly is arranged in the first grooves. The connecting part is connected with the side wall of the first groove, and the connecting part is connected with the confluence component and the fixing piece; the height adjusting assembly is accommodated in the first groove, and the height adjusting assembly is used for adjusting the axial height of the insulating connecting piece through the connecting part, so that the performance of the battery device can be improved.

Description

Technical Field

[0001] The present application relates to the field of batteries, and more specifically, to a battery device, an insulating connector, and an electrical device. Background Art

[0002] Battery devices typically incorporate a high-voltage box, which distributes the device's high-voltage direct current and detects the device's voltage and current. The current-collecting components at various interfaces within the high-voltage box are typically connected to fixed components via insulating connectors. However, current insulating connectors suffer from inconsistent processing models, increasing the costs of battery device production, assembly, and maintenance. Furthermore, the excessive volume of attached components within the high-voltage box can lead to reduced battery device performance.

[0003] Therefore, how to improve the performance of battery devices has become an urgent problem to be solved. Summary of the Invention

[0004] The embodiments of the present application provide a battery device, an insulating connector, and an electrical device, which can improve the performance of the battery device.

[0005] In a first aspect, a battery device is provided, which includes a high-voltage box, which includes a busbar component and a fixing component, and an insulating connector including a shell, a connecting portion and a height adjustment assembly. First grooves are provided on two opposite end faces of the shell along the axial direction, and connecting portions are provided in the first grooves. The connecting portions are connected to the side walls of the first grooves, and the connecting portions are respectively connected to the busbar component and the fixing component; the height adjustment assembly is accommodated in the first groove, and the height adjustment assembly is used to adjust the axial height of the insulating connector through the connecting portion.

[0006] In the technical solution provided in the embodiments of the present application, the axial height of the insulating connector is adjusted by a height adjustment assembly housed in the first recess of the housing. Since the height adjustment component does not occupy space outside the insulating connector, it occupies less space, which meets the energy density requirements of the battery device and can improve the energy density of the battery device. Furthermore, since the axial height of the insulating connector is adjustable, the insulating connector is compatible with various models of high-voltage boxes, simplifying the processing of the insulating connector and the high-voltage box, thereby reducing the manufacturing cost of the battery device.

[0007] Moreover, in the technical solution provided in the embodiment of the present application, a first groove is provided on both side end faces of the shell to accommodate a connecting portion, and the connecting portion connects the busbar component and the fixing member, so that the insulating connector has a larger height adjustment range, thereby increasing the adaptability of the insulating connector. The insulating connector is more suitable when connecting interfaces in different height ranges, is not easy to break or loose, and can thereby improve the stability of the battery device.

[0008] In some embodiments, the height adjustment assembly includes: a first height adjustment portion, which is arranged on the side of the connecting portion facing the side wall of the first groove; a second height adjustment portion, which is arranged on the side of the side wall of the first groove facing the connecting portion; the first height adjustment portion and the second height adjustment portion cooperate to adjust the axial height of the insulating connector.

[0009] In the technical solution provided by the embodiments of the present application, a first height adjustment portion is provided on the outer wall of the connecting portion, and a second height adjustment portion is provided on the inner wall of the first groove. The cooperation of the first and second height adjustment portions allows adjustment of the axial height of the insulating connector, thereby enabling the insulating connector to adapt to connections at interfaces with different height differences. Furthermore, since the first and second height adjustment portions are provided on the outer wall of the connecting portion and the inner wall of the first groove, respectively, the volume of the insulating connector is not increased, thus saving the additional space occupied by the height adjustment assembly. This reduces the volume occupied by the insulating connector, accommodating the small space requirements of the battery device, and thereby improving the energy density of the battery device.

[0010] In some embodiments, the first groove is a cylindrical groove, the second height adjustment portion includes: a spiral groove, and the first height adjustment portion is at least partially accommodated in the spiral groove.

[0011] In the technical solution provided in the embodiments of the present application, the second height adjustment portion includes a spiral groove, and the first height adjustment portion is at least partially accommodated within the spiral groove, thereby enabling the insulating connector to adjust its axial height through relative rotational movement between the connecting portion and the housing. Since the axial height of the insulating connector can be adjusted simply by rotation, adjustment is relatively simple and less likely to damage the insulating connector, thereby improving the stability of the insulating connector and, in turn, the stability of the battery device.

[0012] In some embodiments, the first height adjustment portion includes: a first protrusion protruding toward a sidewall of the first groove.

[0013] In the technical solution provided in the embodiment of the present application, the first height adjustment portion includes a first protrusion arranged on the outer wall of the connecting portion, and the first protrusion is at least partially accommodated in the spiral groove. When the connecting portion rotates relative to the shell, the spiral groove pushes the first protrusion, so that the connecting portion can move axially, thereby easily realizing the adjustment of the axial height of the insulating connector.

[0014] In some embodiments, the side wall of the first groove includes a first sub-wall and a second sub-wall, the second sub-wall is sleeved on the outside of the connecting portion, the first sub-wall is sleeved on the outside of the second sub-wall, the spiral groove is arranged on the side of the first sub-wall facing the connecting portion, and the second sub-wall includes: a first limiting groove, the first limiting groove passes through the second sub-wall and extends along the axial direction of the shell; wherein, the free end of the first protrusion passes through the first limiting groove to be accommodated in the spiral groove.

[0015] In the technical solution provided in the embodiment of the present application, the free end of the first protrusion structure passes through the first limiting groove provided on the second sub-wall. When the spiral groove drives the first protrusion to move, the first limiting groove can limit the rotation of the connecting portion, thereby enabling the axial height adjustment of the insulating connector to be achieved by rotating the first sub-wall without rotating the connecting portion. On the one hand, the free end of the first protrusion structure passing through the first limiting groove can reduce the possibility of loosening of the connection between the connecting portion and the conduit component or the fixing member. On the other hand, such a design can also adjust the axial height of the insulating connector when the insulating connector is in a connected state, thereby further improving the adaptability of the insulating connector.

[0016] In some embodiments, the second sub-wall further includes: a second limiting groove, the second limiting groove passes through the second sub-wall, the second limiting groove extends along the circumference of the second sub-wall, and is connected to the first limiting groove.

[0017] In the technical solution provided in the embodiment of the present application, by setting a second limiting groove extending circumferentially along the second sub-wall and connected to the first limiting groove, on the one hand, the axial movement amplitude of the connecting part can be limited, and on the other hand, the second limiting groove can have a certain locking ability for the connecting part. Before the connecting part and the shell rotate relative to each other by a certain angle, the first protrusion is in the second limiting groove, which can reduce the possibility of reduced connection reliability caused by axial movement of the connecting part.

[0018] In some embodiments, the number of the first limiting grooves is two, and the two first limiting grooves are arranged opposite to each other along the radial direction of the first groove; wherein, at least one first limiting groove extends to the axial end surface of the shell.

[0019] In the technical solution provided in the embodiment of the present application, by setting relative first limiting grooves and making the first limiting grooves on at least one side connected to the edge of the shell, when the connecting part is assembled to the insulating connector, the first protrusion on one side of the outer wall of the connecting part can be placed into the first limiting groove on the opposite side first, and then the first protrusion on the other side can be placed into the first limiting groove through the notch connected to the side wall of the first groove through the first limiting groove, so that the connecting part can be assembled more easily.

[0020] In some embodiments, the connecting portion includes: a connecting seat, a first height adjustment portion is arranged on the side of the connecting seat facing the side wall of the first groove, and a second groove is arranged on the end face of the connecting seat away from the bottom wall of the first groove; an insert, the insert is embedded in the second groove, and the insert is connected to the conduit component or the fixing component.

[0021] In the technical solution provided in the embodiment of the present application, the connecting part is set as an insert and a connecting seat, and the connecting seat cooperates with the insert to bear the torque. Even when the connecting part is subjected to a large torque, the insert and the connecting seat will bear the torque first, so that the structure of the shell can bear less stress, which is conducive to maintaining the structure of the insulating connector.

[0022] In some embodiments, the first height adjustment portion includes: threaded teeth, and the threaded teeth are adapted to the spiral groove.

[0023] In the technical solution provided in the embodiments of this application, the first height adjustment portion includes threaded teeth. The threaded teeth cooperate with the spiral groove, providing a more secure fit and preventing axial slippage of the connection portion. Furthermore, the larger contact area between the threaded teeth and the spiral groove allows for efficient heat transfer from the current collector to the insulating connector and further to the fixing member, thereby alleviating the problem of overheating of the current collector and improving the reliability of the battery device.

[0024] In some embodiments, the tooth profile of the thread teeth is an asymmetric trapezoid or an asymmetric triangle.

[0025] In the technical solution provided in the embodiment of the present application, the first height adjustment part includes threaded teeth arranged on the outer wall of the connecting part, and the second height adjustment part includes a spiral groove arranged on the inner wall of the adjusting sleeve, and the tooth profile of the threaded teeth is an asymmetric trapezoid or an asymmetric triangle. The height of the insulating connector can be adjusted by rotation between the connecting part and the side wall of the first groove. At the same time, the height of the insulating connector can be self-locking, thereby improving the reliability of the electrical connection of the battery device.

[0026] In some embodiments, the pitch of the thread teeth decreases in the direction of the first groove opening.

[0027] In the technical solution provided in the embodiments of the present application, the pitch of the thread teeth decreases along the direction of the opening of the first groove. On the one hand, the closer the connecting portion is to the bottom of the first groove, the more stable the connection between the connecting portion and the housing, which helps to improve the self-locking ability of the threaded fit. On the other hand, the farther the connecting portion is from the bottom of the first groove, the greater the axial distance the connecting portion moves per rotation, which helps to achieve a better height adjustment effect.

[0028] In some embodiments, the side wall of the first groove includes a reinforcing wall, which is sleeved on the outside of the connecting portion; wherein, the outside of the reinforcing wall is provided with a plurality of first protrusion structures distributed along the axial direction, and the plurality of first protrusion structures are provided with threads on the surface away from the connecting portion; wherein, the threads of at least two first protrusion structures have opposite directions of rotation.

[0029] In the technical solution provided in the embodiment of the present application, the side wall of the first groove includes a reinforcing wall, which is threadedly matched with the connecting part so that the reinforcing wall directly bears the torque generated by the rotation. A thread with opposite rotation direction is provided on the outer side of the reinforcing wall, so that the structure of the shell can bear less stress, which is conducive to maintaining the structure of the insulating connector.

[0030] In some embodiments, a third groove is provided on a side of a connecting portion at one end away from the bottom wall of the first groove, and an internal thread is provided on the side wall of the third groove; a second protrusion is provided on the connecting portion at the other end, the second protrusion protrudes in a direction away from the bottom wall of the first groove, and an external thread is provided on the outer wall of the second protrusion; wherein the internal thread and the external thread are adapted to each other.

[0031] In the technical solution provided in the embodiment of the present application, the connecting parts at both ends of the insulating connector are respectively provided with a third groove with an internal thread and a second protrusion with an external thread, so that the insulating connectors can be connected to each other, so that they can be assembled into insulating connectors of different heights, and thus can adapt to the support and transfer of the convergence components under different height differences.

[0032] In some embodiments, the base material of the housing is an insulating thermally conductive material.

[0033] In the technical solution provided in the embodiment of the present application, the base material of the shell is an insulating heat-conductive material, and the connecting part transfers heat from the busbar component to the shell through direct or indirect contact, and further transfers it to the fixing part, thereby assisting in the heat dissipation of the busbar component and improving the stability of the battery device.

[0034] In some embodiments, a portion between the housing and the connecting portion is filled with a heat-conducting medium.

[0035] In some embodiments, the connecting portion includes: a cavity filled with a heat-conducting medium; and a heat-conducting port disposed on a bottom wall of the connecting portion facing the first groove, the heat-conducting port communicating with the cavity.

[0036] In some embodiments, a portion of the shell between the two first grooves is provided with a plurality of third protrusions, which protrude radially toward the shell, and a side of the plurality of third protrusions radially away from the shell is flat.

[0037] In a second aspect, an insulating connector is provided, which is used for a high-voltage box, wherein the high-voltage box includes a busbar component and a fixing component, and the insulating connector includes a shell, a connecting portion and a height adjustment assembly, wherein the shell is provided with a first groove along the axial end face, and the connecting portion is connected to the side wall of the first groove, and the connecting portion is used to connect the busbar component or the fixing component; wherein the height adjustment assembly is accommodated in the first groove, and the height adjustment assembly is used to adjust the axial height of the insulating connector through the connecting portion.

[0038] In a third aspect, an electrical device is provided, comprising: a battery device as in any implementation of the first aspect, wherein the battery device is used to provide electrical energy.

[0039] In some embodiments, the electrical device is a vehicle, a ship, or a spacecraft. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 A schematic structural diagram of a vehicle according to an embodiment of the present application is shown; Figure 2 A partial structural schematic diagram of a battery device according to an embodiment of the present application is shown; Figure 3 A schematic top view of a battery device provided in one embodiment of the present application is shown; Figure 4 A three-dimensional schematic diagram of a high-voltage box according to an embodiment of the present application is shown; Figure 5 A three-dimensional schematic diagram of a contracted state of an insulating connector provided by an embodiment of the present application is shown; Figure 6 A three-dimensional schematic diagram of an insulating connector in an extended state provided by an embodiment of the present application is shown; Figure 7 A partial cross-sectional schematic diagram of an insulating connector provided in one embodiment of the present application is shown; Figure 8 A three-dimensional schematic diagram of a retracted state of an insulating connector provided by another embodiment of the present application is shown; Figure 9 A three-dimensional schematic diagram of an insulating connector in an extended state provided by another embodiment of the present application is shown; Figure 10 A partial cross-sectional schematic diagram of an insulating connector provided by another embodiment of the present application is shown; Figure 11 A three-dimensional schematic diagram of an insulating connector in an extended state provided by another embodiment of the present application is shown; Figure 12 A partial cross-sectional schematic diagram of a contracted state of an insulating connector provided by another embodiment of the present application is shown; Figure 13 A partial cross-sectional schematic diagram of an insulating connector in an extended state provided by another embodiment of the present application is shown; Figure 14 An exploded schematic diagram of an insulating connector provided by another embodiment of the present application is shown; Figure 15 A three-dimensional schematic diagram of an insulating connector provided in yet another embodiment of the present application is shown; Figure 16A partial cross-sectional schematic diagram of an insulating connector provided in yet another embodiment of the present application is shown; Figure 17 A partial exploded view of an insulating connector provided in yet another embodiment of the present application is shown; Figure 18 shows a cross-sectional view of an insulating connector provided in another embodiment of the present application; Figure 19 shows a cross-sectional view of an insulating connector provided in another embodiment of the present application; Figure 20 shows an assembly diagram of an insulating connector provided in another embodiment of the present application; Figure 21 Another possible schematic diagram of an insulating connector provided by another embodiment of the present application; Figure 22 A cross-sectional schematic diagram of an insulating connector provided in yet another embodiment of the present application is shown.

[0041] Reference numerals: 1-Vehicle; 10-Battery device; 11-Casing; 20-Battery cell; 30-Controller; 40-Motor; 101-High-voltage box; 111-First casing; 112-Second casing; 200-Insulating connector; 1011-Converging component; 1012-Fixer; 210-Casing; 211-First groove; 220-Connecting portion; 230-Height adjustment assembly; 231-First height adjustment portion; 232-Second height adjustment portion; 2311-First protrusion; 232 1-Spiral groove; 2121-First sub-wall; 2122-Second sub-wall; 233-First limiting groove; 234-Second limiting groove; 221-Connecting seat; 222-Insert; 2211-Second groove; 2123-Reinforcement wall; 2312-Threaded teeth; 2124-First protrusion; 225-Second protrusion; 223-Third groove; 224-Internal thread; 226-External thread; 2101-Heat conduction cavity; 228-Cavity; 229-Heat conduction port; 213-Third protrusion; In the drawings, the drawings are not drawn to scale. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings.

[0043] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0044] Unless otherwise defined, all technical and scientific terms used in this application have the same meanings as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are for the purpose of describing specific embodiments only and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first" and "second" in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order or a primary-secondary relationship.

[0045] References to "embodiments" in this application mean that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described in this application may be combined with other embodiments.

[0046] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connected," and "attached" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0047] The term "and / or" in this application simply describes an association between related objects, indicating that three possible relationships exist. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this application generally indicates that the related objects are in an "or" relationship.

[0048] In the embodiments of this application, the same reference numerals represent the same components, and for the sake of brevity, detailed descriptions of the same components in different embodiments are omitted. It should be understood that the thickness, length, width, and other dimensions of the various components in the embodiments of this application, as well as the overall thickness, length, width, and other dimensions of the integrated device shown in the drawings are merely illustrative and should not constitute any limitation on this application.

[0049] The term "multiple" used in this application refers to more than two (including two). Similarly, "multiple groups" refers to more than two (including two) groups, and "multiple sheets" refers to more than two (including two) sheets.

[0050] Unless otherwise specified, all embodiments and optional embodiments of the present application can be combined with each other to form a new technical solution.

[0051] In the embodiment of the present application, the battery cell may be a secondary battery. A secondary battery refers to a battery cell that can be continuously used by activating active materials by charging after the battery cell is discharged.

[0052] The battery cells can be lithium-ion batteries, sodium-ion batteries, sodium-lithium-ion batteries, lithium metal batteries, sodium metal batteries, lithium-sulfur batteries, magnesium-ion batteries, nickel-hydrogen batteries, nickel-cadmium batteries, lead-acid batteries, etc., which are not limited in the embodiments of the present application.

[0053] The battery device mentioned in the embodiments of the present application may include one or more battery cell assemblies for providing voltage and capacity. The battery cell assembly may include multiple battery cells, which are connected in series, parallel, or hybrid via a busbar.

[0054] In some embodiments, the battery device may be a battery pack, which includes a case and one or more battery cell assemblies, wherein the battery cell assemblies are housed in the case.

[0055] As an example, the battery cell assembly may also be housed in the box by directly fixing the plurality of battery cells to the box.

[0056] In some embodiments, the box body can be used as a part of the chassis structure of the vehicle. For example, part of the box body can become at least a part of the floor of the vehicle, or part of the box body can become at least a part of the cross beam and longitudinal beam of the vehicle.

[0057] The technical solutions described in the embodiments of the present application are applicable to various electrical devices that use battery cells, such as mobile phones, portable devices, laptop computers, electric vehicles, electric toys, electric tools, vehicles, ships and spacecraft, for example, spacecraft include airplanes, rockets, space shuttles and spacecraft, etc.

[0058] Currently, market developments indicate that power batteries are becoming increasingly widely used. They are not only used in energy storage systems such as hydropower, thermal, wind, and solar power plants, but are also widely used in electric vehicles like electric bicycles, electric motorcycles, and electric vehicles, as well as in military equipment and aerospace. As power battery applications continue to expand, market demand is also growing.

[0059] Battery devices typically incorporate a high-voltage box, which distributes the device's high-voltage direct current and detects the device's voltage and current. The current-collecting components at various interfaces within the high-voltage box are typically connected to fixed components via insulating connectors. However, current insulating connectors suffer from inconsistent processing models, increasing the costs of battery device production, assembly, and maintenance. Furthermore, the excessive volume of attached components within the high-voltage box can lead to reduced battery device performance.

[0060] Therefore, how to improve the performance of battery devices has become an urgent problem to be solved.

[0061] An embodiment of the present application provides a battery device comprising a high-voltage box, which includes a current collector and a fixing member. The battery device also includes an insulating connector, which includes a housing, a connecting portion, and a height adjustment assembly. The housing has a first groove disposed on an axial end surface. The connecting portion is connected to a sidewall of the first groove and is configured to connect to the current collector or the fixing member. The height adjustment assembly is received in the first groove and is configured to adjust the axial height of the insulating connector via the connecting portion.

[0062] In the technical solution provided in the embodiments of this application, the axial height of the insulating connector is adjusted by a height adjustment assembly housed in the first recess of the housing. Since no additional height adjustment components are required, the insulating connector occupies less space, meeting the energy density requirements of the battery device and thereby improving the energy density of the battery device. Furthermore, due to the adjustable axial height, the insulating connector is compatible with a variety of high-voltage cartridges, simplifying the processing of the insulating connector and the high-voltage cartridge, thereby reducing the manufacturing cost of the battery device.

[0063] The technical solutions described in the embodiments of this application are applicable to various electrical devices that use battery devices.

[0064] Electrical devices may include vehicles, mobile phones, portable devices, laptop computers, ships, spacecraft, electric toys, and electric tools, etc. Vehicles may include fuel vehicles, gas vehicles, or new energy vehicles. New energy vehicles may include pure electric vehicles, hybrid vehicles, or extended-range vehicles, etc. Spacecraft include airplanes, rockets, space shuttles, and spacecraft, etc. Electric toys include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc. Electric tools include metal cutting electric tools, grinding electric tools, assembly electric tools, and railway electric tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete vibrators, and electric planers, etc. The embodiments of the present application do not impose any special restrictions on the above-mentioned electrical devices.

[0065] For the convenience of description, the following embodiments are described by taking a vehicle as an example of an electrical device.

[0066] For example, Figure 1 A structural schematic diagram of a vehicle 1 according to an embodiment of the present application is shown. The vehicle 1 may be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc. A motor 40, a controller 30 and a battery device 10 may be provided inside the vehicle 1, and the controller 30 is used to control the battery device 10 to supply power to the motor 40. For example, a battery device 10 may be provided at the bottom, front or rear of the vehicle 1. The battery device 10 may be used to power the vehicle 1, for example, the battery device 10 may be used as an operating power source for the vehicle 1, for the circuit system of the vehicle 1, for example, for the working power requirements during the start-up, navigation and operation of the vehicle 1. In another embodiment of the present application, the battery device 10 may not only be used as an operating power source for the vehicle 1, but also as a driving power source for the vehicle 1, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1.

[0067] For example, Figure 2 FIG. 1 shows a partial structural diagram of the battery device 10 according to an embodiment of the present application. Figure 2 As shown, the battery device 10 of the embodiment of the present application may include a plurality of battery cells 20 to meet different power requirements. The shape of the battery cell 20 of the embodiment of the present application can be set according to the actual application. For example, the battery cell 20 can be as follows Figure 2 The cylindrical shape shown, or it can be different from Figure 2 The rectangular parallelepiped or other shapes shown are not limited to these.

[0068] It should be understood that Figure 2 As shown, the battery device 10 of the embodiment of the present application may further include a box body 11, which may be used to accommodate a plurality of battery cells 20. The interior of the box body 11 of the embodiment of the present application is a hollow structure, and a plurality of battery cells 20 are accommodated in the box body 11. The box body 11 may include two parts, which are respectively referred to as a first box body part 111 and a second box body part 112, and the first box body part 111 and the second box body part 112 are buckled together. The shapes of the first box body part 111 and the second box body part 112 may be determined according to the shapes of the components accommodated therein. For example, they may be determined according to the shape of the combination of the plurality of battery cells 20 accommodated therein, and at least one of the first box body part 111 and the second box body part 112 may have an opening. For example, as Figure 2As shown, the first box portion 111 and the second box portion 112 can both be hollow rectangular parallelepipeds, each with one open face. The opening of the first box portion 111 and the opening of the second box portion 112 are arranged opposite each other, and the first box portion 111 and the second box portion 112 are interlocked to form a box 11 having a closed chamber, which can be used to accommodate multiple battery cells 20. The multiple battery cells 20 are connected in parallel, series, or mixed and then placed in the box 11 formed by the interlocking of the first box portion 111 and the second box portion 112.

[0069] For example, unlike Figure 2 As shown, only one of the first and second housing portions 111, 112 may be a hollow rectangular parallelepiped with an opening, while the other may be a plate-shaped structure to cover the opening. For example, if the second housing portion 112 is a hollow rectangular parallelepiped structure with an opening and the first housing portion 111 is a plate-shaped structure, the first housing portion 111 covers the opening of the second housing portion 112 to form the housing 11 with a closed chamber, which can be used to accommodate multiple battery cells 20.

[0070] Combine Figure 3 and Figure 4 A high-voltage box 101 provided in an embodiment of the present application is described.

[0071] Figure 3 1 shows a schematic top view of a battery device 10 provided in one embodiment of the present application; Figure 4 FIG. 1 shows a three-dimensional schematic diagram of a high-voltage box 101 according to an embodiment of the present application.

[0072] As shown in the figure, the battery device 10 may include a high-voltage box 101 . The battery device 10 is electrically connected to the power system of the power-consuming device through the high-voltage box 101 , and the high-voltage box 101 distributes the electric energy output by the battery device 10 at high voltage.

[0073] The embodiment of the present application exemplarily shows that the high-voltage box 101 is arranged in the box body 11 of the battery device 10, but the embodiment of the present application is not limited to this. The high-voltage box 101 can also be arranged outside the box body 11 of the battery device 10, and the high-voltage box 101 can have an independent packaging structure, such as a cover.

[0074] The high-voltage box 101 may include a relay. During the charging and discharging process of the battery device 10, the connection and disconnection between the battery device 10 and the external power device can be achieved by controlling the closing and opening of the relay, thereby achieving overcurrent, overvoltage and undervoltage protection.

[0075] In order to improve the energy density of the battery device 10 , the volume occupied by the high-voltage box 101 is usually small, and the volume occupied by the components inside the high-voltage box 101 is also usually as small as possible.

[0076] A busbar component 1011 is distributed inside the high-voltage box 101. The high-voltage box 101 can distribute the high voltage of the electrical energy of the battery device 10. The electrode terminals of the battery cells 20 and the output poles of the battery device 10 are connected through the busbar component 1011. However, the busbar component 1011 sometimes needs to connect interfaces of different heights, and insulating connectors 200 of different heights may need to be used to support the busbar component 1011.

[0077] As an example, the busbar component 1011 may be a copper busbar, but the embodiment of the present application is not limited thereto.

[0078] The insulating connector 200 can insulate and connect the busbar 1011 and the fixing member 1012. For example, the fixing member 1012 can be the bottom plate of the high-voltage box 101 or other component used to fix the busbar 1011. The insulating connector 200 insulates and connects the busbar 1011 and the fixing member 1012, while also providing support for the busbar 1011, thereby improving the reliability of the electrical connection or switching of the busbar 1011.

[0079] Combine Figures 5 to 7 An insulating connector 200 provided in one embodiment of the present application is described.

[0080] Figure 5 A three-dimensional schematic diagram of a contracted state of an insulating connector 200 provided in one embodiment of the present application is shown; Figure 6 A three-dimensional schematic diagram of an insulating connector 200 provided in an embodiment of the present application in an extended state is shown; Figure 7 A partial cross-sectional schematic diagram of an insulating connector 200 provided in one embodiment of the present application is shown.

[0081] The present embodiment provides an insulating connector 200 for use with a high-voltage box 101. The insulating connector 200 includes a housing 210, a connecting portion 220, and a height adjustment assembly 230. The housing 210 is provided with a first groove 211 on its axial end surface. The connecting portion 220 is connected to the sidewall of the first groove 211 and is used to connect to the current collecting component 1011 or the fixing member 1012. The height adjustment assembly 230 is accommodated in the first groove 211 and is used to adjust the axial height of the insulating connector 200 via the connecting portion 220.

[0082] The fixing member 1012 may be connected to the outer shell of the high-voltage box 101 or the box body 11 of the battery device 10 so as to conduct the heat of the heat collecting component 1011 to the external environment.

[0083] The first groove 211 may be provided on one end surface of the housing 210 along the axial direction, or may be provided on both end surfaces of the housing 210 along the axial direction, which is not limited in the embodiment of the present application.

[0084] The two side end surfaces of the shell 210 along the axial direction can be understood as the two end surfaces of the shell 210 that are opposite to each other along the axial direction.

[0085] The axial direction of the housing 210 can also be understood as the height direction of the insulating connector 200. In the figure, the Z direction is taken as the axial direction of the housing 210 as an example, but the embodiment of the application is not limited to this.

[0086] The axial direction of the housing 210 can be considered as the direction in which the housing 210 connects the converging component 1011 and the fixing member 1012 in the high-voltage box 101, or the extension direction of the length of the housing 210. The Z direction is used as a schematic diagram of the axial direction of the housing 210 in the figure, but this embodiment of the application is not limited to this.

[0087] The insulating connector 200 may also be called an insulating column, and the embodiment of the present application does not limit the name of the insulating connector 200.

[0088] The shape of the first groove 211 is not limited. In the figure, the first groove 211 is cylindrical as an example, but the first groove 211 can also be other shapes. For example, the first groove 211 can also be prismatic. The embodiments of the present application are not limited to this.

[0089] Furthermore, since the insulating connector 200 needs to achieve an insulating connection between the busbar component 1011 and the fixing component 1012, when the insulating connector 200 is directly connected to the busbar component 1011 or the fixing component 1012, the shell 210 of the insulating connector 200 directly bears stress, causing the insulating connector 200 to be easily damaged, which may affect the reliability of the battery device 10.

[0090] The conduit component 1011 and the fixing member 1012 are connected by the connecting portion 220, and the connecting portion 220 is connected to the side wall of the first groove 211, so that the stress at the connection can be relieved through the connecting portion 220. During the assembly and use of the insulating connector 200, even if a large stress is generated, the connecting portion 220 can absorb part of the stress, thereby protecting the shell 210 of the insulating connector 200.

[0091] In the technical solution provided in the embodiment of the present application, the axial height of the insulating connector 200 is adjusted by a height adjustment assembly 230 accommodated in the first groove 211 of the shell 210. Since there is no need to attach additional height adjustment components to the outside of the insulating connector, the space occupied is small, which meets the energy density requirements of the battery device 10 and can improve the energy density of the battery device 10. When the insulating connection high-voltage box 101 has interfaces with different height differences, the height of the insulating connector 200 can be adjusted to meet the connection requirements of different height differences, and there is no need to produce multiple models of insulating connectors for the high-voltage box. In addition, since the axial height is adjustable, the insulating connector 200 is compatible with multiple models of high-voltage boxes 101. The processing of the insulating connector 200 and the high-voltage box 101 is simpler, thereby saving the manufacturing cost of the battery device 10.

[0092] In some possible embodiments, the high-voltage box 101 includes a conduit component 1011 and a fixing component 1012, and the first groove 211 is provided on the two opposite end faces of the shell 210 along the axial direction, and the connecting parts 220 at both ends are respectively connected to the conduit component 1011 and the fixing component 1012.

[0093] The connecting portion 220 can be directly or indirectly connected to the busbar component 1011 or the fixing member 1012. For example, when multiple insulating connectors 200 are connected end to end, the insulating connector 200 located in the middle position is connected to the busbar component 1011 at one end facing the busbar component 1011 through other insulating connectors 200, and is connected to the busbar component 1011 at one end facing the fixing member 1012 through other insulating connectors 200.

[0094] When the first groove 211 and the connecting portion 220 are provided at both ends of the shell 210, the connecting portion 220 connected to the confluence component 1011 and the fixing member 1012 can be adjusted in height, thereby being able to adapt to the height difference of the connection interface in the high-voltage box 101 within a larger range.

[0095] In the technical solution provided in the embodiment of the present application, first grooves 211 are provided on both side end faces of the shell 210 to accommodate the connecting portion 220, and the connecting portion 220 connects the busbar component 1011 and the fixing member 1012, so that the insulating connector 200 has a larger height adjustment range, thereby increasing the adaptability of the insulating connector 200. The insulating connector is more suitable for connecting interfaces with different height ranges and is not easy to break or loose, thereby improving the stability of the battery device 10.

[0096] In certain possible embodiments, the height adjustment assembly 230 includes a first height adjustment portion 231 and a second height adjustment portion 232. The first height adjustment portion 231 is disposed on a side of the connecting portion 220 facing the sidewall of the first groove 211. The second height adjustment portion 232 is disposed on a side of the first groove 211 facing the connecting portion 220. The first height adjustment portion 231 and the second height adjustment portion 232 cooperate to adjust the axial height of the insulating connector 200.

[0097] A first height adjustment portion 231 is provided on the outer wall of the connection portion 220, and a second height adjustment portion 232 is provided on the inner wall of the first groove 211. These two portions cooperate to adjust the axial height of the insulating connector 200, thereby adapting the insulating connector 200 to connections with interfaces of varying height differences. Furthermore, since the first height adjustment portion 231 and the second height adjustment portion 232 are provided on the outer wall of the connection portion 220 and the inner wall of the first groove 211, respectively, the volume of the insulating connector 200 is reduced without increasing in size, thereby increasing the energy density of the battery device 10.

[0098] In the exemplary embodiment of the present application, the first height adjustment portion 231 includes a first protrusion 2311 disposed on the outer wall of the connecting portion 220, and the second height adjustment portion 232 includes a spiral groove 2321 disposed on the inner wall of the first groove 211. However, the present application is not limited to this embodiment. For example, the first height adjustment portion 231 and the second height adjustment portion 232 can both be threads. For another example, the first height adjustment portion 231 can include a protrusion structure, and the second height adjustment portion 232 can include an I-shaped groove disposed on the side wall of the first groove 211. The axial height of the insulating connector 200 can be adjusted by moving the protrusion structure within the I-shaped groove.

[0099] For another example, the protrusion structure may be provided on the side wall of the first groove 211 , and the spiral groove 2321 or the I-shaped groove may be provided on the outer wall of the connecting portion 220 , but the embodiment of the present application is not limited thereto.

[0100] In the technical solution provided in the embodiment of the present application, a first height adjustment portion 231 is provided on the outer wall of the connection portion 220, and a second height adjustment portion 232 is provided on the inner wall of the first groove 211. The cooperation of the first and second height adjustment portions 231 allows adjustment of the axial height of the insulating connector 200, thereby enabling the insulating connector 200 to adapt to connections with interfaces of varying height differences. Furthermore, since the first and second height adjustment portions 231, 232 are provided on the outer wall of the connection portion 220 and the inner wall of the first groove 211, respectively, the volume of the insulating connector 200 is not increased, thereby saving the additional space occupied by the height adjustment assembly 230. This reduces the volume occupied by the insulating connector 200, aligning with the compact size of the battery device 10 and thereby increasing the energy density of the battery device 10.

[0101] In some possible embodiments, the first groove 211 is a cylindrical groove, the second height adjustment portion 232 includes a spiral groove 2321 , and the first height adjustment portion 231 is at least partially accommodated in the spiral groove 2321 .

[0102] Since the first groove 211 is a cylindrical groove, and a spiral groove 2321 is provided on the side wall of the first groove 211, the first height adjustment portion 231 is at least partially accommodated in the spiral groove 2321. When the connecting portion 220 and the side wall of the first groove 211 rotate relative to each other, the spiral groove 2321 and the first height adjustment portion 231 accommodated therein can convert the relative rotational motion into axial motion, so that the connecting portion 220 can be axially extended and contracted relative to the shell 210, thereby making it easier to achieve the axial height adjustment of the insulating connector 200.

[0103] The relative rotation between the housing 210 and the connecting portion 220 can be achieved by rotating the connecting portion 220, or the relative rotation between the housing 210 and the connecting portion 220 can be achieved by rotating the housing 210. In the drawings of the embodiments of the present application, the relative rotation between the housing 210 and the connecting portion 220 is achieved by rotating the housing 210 as an example, but the embodiments of the present application are not limited to this.

[0104] In the technical solution provided in the embodiment of the present application, the second height adjustment portion 232 includes a spiral groove 2321, and the first height adjustment portion 231 is at least partially accommodated within the spiral groove 2321. This allows the insulating connector 200 to adjust its axial height through relative rotation between the connecting portion 220 and the housing 210. Since the axial height of the insulating connector 200 can be adjusted simply by rotation, the adjustment is relatively simple and is less likely to damage the insulating connector 200. This improves the stability of the insulating connector 200, and thus the stability of the battery device 10.

[0105] In some possible embodiments, the first height adjustment portion 231 includes a first protrusion 2311 , and the first protrusion 2311 protrudes toward a sidewall of the first groove 211 .

[0106] The first protrusion 2311 protrudes from the sidewall facing the first groove 211 and is at least partially accommodated in the spiral groove 2321. The spiral groove 2321 guides the first protrusion 2311 along a specific trajectory, thereby converting rotational motion into linear displacement. Thus, the connecting portion 220 can be rotated to move axially, thereby adjusting the axial height of the insulating connector 200.

[0107] The embodiments of the present application do not limit the manner in which the connection portion 220 and the shell 210 rotate relative to each other. For example, in some embodiments, the side wall of the first groove 211 can be rotated, and the side wall of the first groove 211 can also be rotated to allow the connection portion 220 and the shell 210 to rotate relative to each other.

[0108] In the technical solution provided in the embodiment of the present application, the first height adjustment portion 231 includes a first protrusion 2311 arranged on the outer wall of the connecting portion 220, and the first protrusion 2311 is at least partially accommodated in the spiral groove 2321. When the connecting portion 220 rotates relative to the shell 210, the spiral groove 2321 pushes the first protrusion 2311, so that the connecting portion 220 can move axially, thereby easily realizing the adjustment of the axial height of the insulating connector 200.

[0109] The following combination Figures 8 to 14 An insulating connector 200 provided in another embodiment of the present application is described.

[0110] Figure 8 FIG2 shows a three-dimensional schematic diagram of an insulating connector 200 in a contracted state provided by another embodiment of the present application; Figure 9 FIG2 shows a three-dimensional schematic diagram of an insulating connector 200 in an extended state provided by another embodiment of the present application; Figure 10 FIG2 shows a partial cross-sectional schematic diagram of an insulating connector 200 provided in another embodiment of the present application; Figure 11 FIG2 shows a three-dimensional schematic diagram of an insulating connector 200 in an extended state provided by another embodiment of the present application; Figure 12 FIG2 shows a partial cross-sectional schematic diagram of a contracted state of an insulating connector 200 provided in another embodiment of the present application; Figure 13 FIG2 shows a partial cross-sectional schematic diagram of an insulating connector 200 provided in another embodiment of the present application in an extended state; Figure 14 FIG2 shows an exploded schematic diagram of an insulating connector 200 provided in another embodiment of the present application.

[0111] In some possible embodiments, the side wall of the first groove 211 includes a first sub-wall 2121 and a second sub-wall 2122, the second sub-wall 2122 is sleeved on the outer side of the connecting portion 220, the first sub-wall 2121 is arranged on the outer side of the second sub-wall 2122, the spiral groove 2321 is arranged on the side of the first sub-wall 2121 facing the connecting portion 220, the second sub-wall 2122 includes a first limiting groove 233, the first limiting groove 233 passes through the second sub-wall 2122 and extends along the axial direction of the shell 210; wherein, the free end of the first protrusion 2311 passes through the first limiting groove 233 to be accommodated in the spiral groove 2321.

[0112] When the connection portion 220 and the housing 210 rotate relative to each other, the connection portion 220 may be driven to rotate, which may affect the reliability of the connection between the connection portion 220 and the current collecting component 1011 or the fixing member 1012 .

[0113] The free end of the first protrusion 2311 passes through the first limiting groove 233 and is accommodated in the spiral groove 2321. When the spiral groove 2321 pushes the first protrusion 2311, the first limiting groove 233 can limit the rotation of the connecting part 220 and direct the connecting part 220 to move axially in a straight line.

[0114] In the technical solution provided in the embodiments of the present application, the free end of the first protrusion structure 2124 passes through the first limiting groove 233 provided in the second sub-wall 2122. As the spiral groove 2321 drives the first protrusion 2311 to move, the first limiting groove 233 can restrict the rotation of the connection portion 220, thereby enabling the axial height adjustment of the insulating connector 200 by rotating the first sub-wall 2121 without rotating the connection portion 220. On the one hand, the free end of the first protrusion structure 2124 passing through the first limiting groove 233 can reduce the possibility of loosening the connection between the connection portion 220 and the conduit component 1011 or the fixing member 1012. On the other hand, this design also allows the axial height of the insulating connector 200 to be adjusted while the insulating connector 200 is connected, thereby further improving the adaptability of the insulating connector 200.

[0115] In some possible embodiments, the second sub-wall 2122 further includes: a second limiting groove 234, which passes through the second sub-wall 2122, extends circumferentially along the second sub-wall 2122, and is connected to the first limiting groove 233.

[0116] The circumferential direction of the second sub-wall 2122 can be understood as the circumferential direction of the second sub-wall 2122, that is, the circumferential direction of the cross section of the second sub-wall 2122.

[0117] The number of the second limiting grooves 234 can be one or more. For example, the embodiment of the present application takes the number of the second limiting grooves 234 as two as an example, but the embodiment of the present application is not limited thereto.

[0118] As the first protrusion 2311 is driven by the spiral groove 2321 and slides within the first limiting groove 233, when the axial height of the insulating connector 200 reaches a predetermined height, the height of the insulating connector 200 needs to be fixed. By providing a second limiting groove 234 extending circumferentially along the second sub-wall 2122 and communicating with the first limiting groove 233, when the first protrusion 2311 moves to a position where the first limiting groove 233 and the second limiting groove 234 are connected, further relative rotation of the connecting portion 220 and the housing 210 allows the first protrusion 2311 to enter the second limiting groove 234, thereby restricting further movement of the connecting portion 220. When the insulating connector 200 needs to be retracted, the connecting portion 220 and the housing 210 can be rotated in the opposite direction. After rotating a certain distance, the first protrusion 2311 can re-enter the first limiting groove 233. Such a design also enables the first protrusion 2311 entering the second limiting groove 234 to rotate a certain angle before entering the first limiting groove 233 , thereby enabling the insulating connector 200 to have a certain self-locking ability.

[0119] In the technical solution provided in the embodiment of the present application, by setting a second limiting groove 234 extending circumferentially along the second sub-wall 2122 and connected to the first limiting groove 233, on the one hand, the axial movement amplitude of the connecting part 220 can be limited, and on the other hand, the second limiting groove 234 can have a certain locking ability for the connecting part 220. Before the connecting part 220 and the shell 210 rotate relative to each other by a certain angle, the first protrusion 2311 is in the second limiting groove 234, which can reduce the possibility of reduced connection reliability caused by axial movement of the connecting part 220.

[0120] In some possible embodiments, the number of the first limiting grooves 233 is two, and the two first limiting grooves 233 are arranged opposite to each other along the radial direction of the first groove 211; wherein, at least one first limiting groove 233 extends to the axial end face of the shell 210.

[0121] The radial direction of the first groove 211 may be understood as the direction of the diameter of the first groove 211 .

[0122] One end of at least one first limiting groove 233 extends to the axial end face of the shell 210, thereby forming a notch at the top of the side wall of the first groove 211, and the two first limiting grooves 233 are arranged radially opposite to each other, so that when the connecting part 220 is assembled, the first protrusion 2311 can be easily placed in the first limiting groove 233.

[0123] In the technical solution provided in the embodiment of the present application, by setting relative first limiting grooves 233 and making the first limiting grooves 233 on at least one side connected to the edge of the shell 210, when the connecting part 220 is assembled to the insulating connector 200, the first protrusion 2311 on one side of the outer wall of the connecting part 220 can be placed in the first limiting groove 233 on the opposite side first, and then the first protrusion 2311 on the other side can be placed in the first limiting groove 233 through the notch in the side wall of the first groove 211 connected to the first limiting groove 233, so that the connecting part 220 can be assembled more easily.

[0124] In certain possible embodiments, the connecting portion 220 includes a connecting seat 221. The first height adjustment portion 231 is disposed on a side wall of the connecting seat 221 facing the first groove 211. A second groove 2211 is disposed on an end surface of the connecting seat 221 away from the bottom wall of the first groove 211. The connecting portion 220 further includes an insert 222, which is embedded in the second groove 2211 and connected to the converging component 1011 or the fixing member 1012.

[0125] Because the connection portion 220 and the sidewall of the first groove 211 cooperate with the first protrusion 2311 and the spiral groove 2321 for height adjustment, when the connection portion 220 is connected to the converging component 1011 or the fixing member 1012, the groove wall of the spiral groove 2321 may bear the torsion generated during rotation, thereby affecting the structure of the spiral groove 2321. By configuring the connection portion 220 as an insert 222 and a connecting seat 221, the connecting seat 221 cooperates with the insert 222 to bear the torsion. Even when the connection portion 220 is subjected to a large torsion, the insert 222 and the connecting seat 221 will bear the torsion first. Before the spiral groove 2321 is damaged by the torsion, the insert 222 and the connecting seat 221 will slip first, thereby reducing the possibility of damaging the spiral groove 2321.

[0126] In the technical solution provided in the embodiment of the present application, the connecting part 220 is set as an insert 222 and a connecting seat 221, and the connecting seat 221 cooperates with the insert 222 to bear the torque. Even when the connecting part 220 is subjected to a large torque, the insert 222 and the connecting seat 221 will bear the torque first, so that the structure of the shell 210 can bear less stress, which is beneficial to maintaining the structure of the insulating connector 200.

[0127] Combine Figures 15 to 17 The insulating connector 200 provided in another embodiment of the present application is described.

[0128] Figure 15 FIG2 shows a perspective schematic diagram of an insulating connector 200 provided in yet another embodiment of the present application; Figure 16FIG2 shows a partial cross-sectional schematic diagram of an insulating connector 200 provided in yet another embodiment of the present application; Figure 17 A partial exploded view of an insulating connector 200 provided in yet another embodiment of the present application is shown.

[0129] In some possible embodiments, the first height adjustment portion 231 includes threaded teeth 2312 , and the threaded teeth 2312 are adapted to the spiral groove 2321 .

[0130] In the technical solution provided in the embodiment of the present application, the first height adjustment portion 231 includes threaded teeth 2312. The threaded teeth 2312 cooperate with the spiral groove 2321. On the one hand, the threaded teeth 2312 and the spiral groove 2321 cooperate more securely, making the connection portion 220 less susceptible to axial slippage. On the other hand, the threaded teeth 2312 and the spiral groove 2321 have a larger contact area, allowing heat to be efficiently transferred from the conduit component 1011 to the insulating connector 200, and further efficiently transferred to the fixing member 1012, thereby alleviating the problem of overheating of the conduit component 1011 and improving the reliability of the battery device 10.

[0131] In some possible embodiments, the tooth profile of the thread teeth 2312 is an asymmetric trapezoid or an asymmetric triangle.

[0132] The tooth profile of the thread teeth 2312 is an asymmetric trapezoid or an asymmetric triangle. When the connecting part 220 is subjected to an axial force along the shell 210, the asymmetric trapezoid or asymmetric triangle tooth profile can achieve self-locking, thereby reducing the possibility of slippage of the connecting part 220 due to external force.

[0133] In the technical solution provided in the embodiment of the present application, the first height adjustment portion 231 includes a threaded tooth 2312 arranged on the outer wall of the connecting portion 220, and the second height adjustment portion 232 includes a spiral groove 2321 arranged on the inner wall of the adjusting sleeve, and the tooth profile of the threaded tooth 2312 is an asymmetric trapezoid or an asymmetric triangle. The height of the insulating connector 200 can be adjusted by rotation between the connecting portion 220 and the side wall of the first groove 211. At the same time, the height of the insulating connector 200 can be self-locking, thereby improving the reliability of the electrical connection of the battery device 10.

[0134] In some possible embodiments, the pitch of the thread teeth 2312 decreases along the opening direction of the first groove 211 .

[0135] In the technical solution provided in the embodiment of the present application, the pitch of the thread teeth 2312 decreases along the direction of the opening of the first groove 211. On the one hand, the closer the connecting portion 220 is to the bottom of the first groove 211, the more stable the connection between the connecting portion 220 and the housing 210 is, which helps to improve the self-locking ability of the threaded fit. On the other hand, the farther the connecting portion 220 is from the bottom of the first groove 211, the greater the axial movement of the connecting portion 220 per rotation, which helps to achieve a better height adjustment effect.

[0136] In some possible embodiments, the side wall of the first groove 211 includes a reinforcing wall 2123, which is sleeved on the outer side of the connecting portion 220; the outer side of the reinforcing wall 2123 is provided with a plurality of first protrusion structures 2124 distributed along the axial direction, and the plurality of first protrusion structures 2124 are provided with threads on the surface away from the connecting portion 220; wherein, the rotation directions of the threads of at least two of the first protrusion structures 2124 are opposite.

[0137] Since the housing 210 needs to have the function of insulating connection, the material of the housing 210 is usually made of insulating material. Direct force applied to the housing 210 may affect the structure of the housing 210, thereby affecting the insulation performance of the insulating connector 200.

[0138] A plurality of first protrusions 2124 are disposed on the outer side of the reinforcing wall 2123. Furthermore, the surfaces of the plurality of first protrusions 2124, facing away from the connection portion 220, are provided with threads with opposite rotations. When the connection portion 220 is subjected to torsion, the threads with opposite rotations on the outer side of the reinforcing wall 2123 can provide some support for the connection portion 220. Furthermore, when the connection portion 220 is subjected to excessive torsion, the threads can provide some cushioning, thereby protecting the structure of the housing 210.

[0139] In the technical solution provided in the embodiment of the present application, the side wall of the first groove 211 includes a reinforcing wall 2123, which is threadedly engaged with the connecting portion 220 so that the reinforcing wall 2123 directly bears the torque generated by the rotation. The outer side of the reinforcing wall 2123 is provided with a thread with an opposite rotation direction, so that the structure of the shell 210 can bear less stress, which is beneficial to maintaining the structure of the insulating connector 200.

[0140] Combine Figures 18 to 21 Another insulating connector 200 provided in this application is described.

[0141] Figure 18 FIG2 shows a cross-sectional view of an insulating connector 200 provided in another embodiment of the present application; Figure 19 FIG2 shows a cross-sectional view of an insulating connector 200 provided in another embodiment of the present application; Figure 20 1 shows an assembly diagram of an insulating connector 200 provided in another embodiment of the present application; Figure 21 Another possible schematic diagram of an insulating connector 200 is provided in another embodiment of the present application.

[0142] In some possible embodiments, a third groove 223 is provided on the side of the connecting portion 220 at one end away from the bottom wall of the first groove 211, and an internal thread 224 is provided on the side wall of the third groove 223; the connecting portion 220 at the other end is provided with a second protrusion 225, the second protrusion 225 protrudes in a direction away from the bottom wall of the first groove 211, and an external thread 226 is provided on the outer wall of the second protrusion 225; wherein the internal thread 224 and the external thread 226 are adapted to each other.

[0143] In the technical solution provided in the embodiment of the present application, the connecting parts 220 at both ends of the insulating connector 200 are respectively provided with a third groove 223 with an internal thread 224 and a second protrusion 225 with an external thread 226, so that the insulating connectors 200 can be connected to each other, so that they can be assembled into insulating connectors 200 of different heights, and thus can adapt to the support and transfer of the convergence component 1011 under different height differences.

[0144] The height of the insulating connector 200 may not be a fixed value. For example, different insulating connectors 200 may have different heights.

[0145] In some possible embodiments, the insulating connectors 200 may be connected in pairs, for example, Figure 21 As shown, the insulating connector 200 may have a third groove 223 provided on both ends of the connecting portion 220, and the sidewalls of the third groove 223 may be provided with an internal thread 224. Correspondingly, another insulating connector 200 may have external threads 226 provided on both ends, or may have a second protrusion 225 provided on one end and a third groove 223 provided on the other end, but the present invention is not limited to this embodiment.

[0146] Further, refer to Figure 18 and Figure 19 The connecting portion 220 can be connected to the housing 210 via the height adjustment assembly 230, or the connecting portion 220 can be fixedly connected to the housing 210. In this case, since the connecting portions 220 of different individual insulating connectors 200 cooperate with each other to adjust the axial height of the entire insulating connector 200, the connecting portion 220 serves as the height adjustment assembly 230.

[0147] In some possible embodiments, the base material of the housing 210 is an insulating thermally conductive material.

[0148] The insulating thermally conductive material may be, for example, aluminum nitride, silicon nitride, aluminum oxide, silicon carbide ceramics, or the like.

[0149] In the technical solution provided in the embodiment of the present application, the base material of the shell 210 is an insulating heat-conductive material, and the connecting portion 220 transfers heat from the busbar component 1011 to the shell 210 through direct or indirect contact, and further transfers it to the fixing member 1012, thereby assisting in heat dissipation of the busbar component 1011 and improving the stability of the battery device 10.

[0150] Furthermore, the connecting portion 220 may be made of metal or ceramic.

[0151] Metal or ceramic materials have good thermal conductivity on the basis of having a certain strength, so as to improve the connection reliability of the insulating connector 200 on the one hand, and improve the heat dissipation performance of the insulating connector 200 on the other hand.

[0152] In some possible embodiments, a portion between the housing 210 and the connecting portion 220 is filled with a heat-conducting medium.

[0153] Because the axial height of the insulating connector 200 is adjusted by the axial movement of the connecting portion 220, the contact area between the connecting portion 220 and the first groove 211 decreases after the connecting portion 220 extends axially. A heat-conducting medium is filled between the housing 210 and the connecting portion 220. On the one hand, the heat-conducting medium can effectively conduct heat from the converging component 1011, thereby assisting in heat dissipation from the converging component 1011. On the other hand, the filled heat-conducting medium increases the contact area between the connecting portion 220 and the housing 210, thereby further increasing heat dissipation.

[0154] In some possible embodiments, a heat conduction cavity 2101 is provided on the bottom wall between the two first grooves 211 on both sides of the housing 210. The heat conduction cavity 2101 can be filled with a heat conducting medium. This can accelerate the efficiency of heat transfer from the bottom wall of the first groove 211, thereby further assisting the heat dissipation of the converging component 1011.

[0155] Figure 22 A cross-sectional schematic diagram of an insulating connector 200 provided in yet another embodiment of the present application is shown.

[0156] In some possible embodiments, the connecting portion 220 includes: a cavity 228 filled with a heat-conducting medium; a heat-conducting port 229 , which is arranged on the bottom wall of the connecting portion 220 facing the first groove 211 , and the heat-conducting port 229 is connected to the cavity 228 .

[0157] When the height of the connection portion 220 is adjustable, the connection portion 220 extends out of the housing 210 and separates from the bottom wall of the first groove 211, thereby reducing the contact area between the connection portion 220 and the housing 210 and reducing the heat dissipation effect. By providing the cavity 228 and opening the heat conduction port 229 to fill it with a heat-conducting medium, the heat transfer area between the connection portion 220 and the housing 210 can be increased, thereby providing better auxiliary heat dissipation capabilities for the converging component 1011.

[0158] A heat-conducting medium is filled between the housing 210 and the connecting portion 220, and a heat-conducting port 229 is provided on the bottom wall of the connecting portion 220 facing the first groove 211. The heat-conducting port 229 communicates with the cavity 228. When the connecting portion 220 is assembled to the insulating connector 200, the heat-conducting medium can enter the cavity 228 through the heat-conducting port 229, thereby increasing the contact area between the heat-conducting medium and the connecting portion 220. The connecting portion 220 can better transfer the heat received from the converging component 1011, thereby improving the heat dissipation efficiency of the insulating connector 200.

[0159] In some possible embodiments, the portion of the shell 210 located between the two first grooves 211 is provided with a plurality of third protrusions 213, which protrude radially toward the shell 210, and the plurality of third protrusions 213 are flat along the side of the shell 210 radially away from the shell 210.

[0160] The third protrusions 213 are flat along one side of the shell 210 radially away from the shell 210, which is conducive to fixing the insulating connector 200 during operation. For example, the plane of the third protrusions 213 can be used for clamping a wrench, thereby facilitating assembly in the high-voltage box 101.

[0161] Furthermore, the shape of the orthographic projection of the portion of the housing 210 located between the two first grooves 211 along the first axial direction may be a rectangle, a hexagon, or an octagon.

[0162] According to some embodiments of the present application, the present application further provides a battery device 10 comprising the insulating connector 200 of any of the above solutions.

[0163] According to some embodiments of the present application, the present application further provides an electrical device, comprising the battery device 10 of any of the above solutions, and the battery device 10 is used to provide electrical energy to the electrical device.

[0164] The power-consuming device may be any of the aforementioned devices or systems using the battery device 10 .

[0165] 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 make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions 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 device, characterized in that: The battery device comprises: A high-voltage box (101), the high-voltage box (101) comprising a converging component (1011) and a fixing component (1012); An insulating connector (200), the insulating connector (200) comprising a housing (210), a connecting portion (220), and a height adjustment assembly (230), wherein the housing (210) is provided with first grooves (211) on two opposite end surfaces along the axial direction, the connecting portion (220) is provided in each of the first grooves (211), the connecting portion (220) is connected to a side wall of the first groove (211), and the connecting portion (220) is respectively connected to the converging component (1011) and the fixing member (1012); The height adjustment component (230) is accommodated in the first groove (211), and the height adjustment component (230) is used to adjust the axial height of the insulating connector (200) through the connecting portion (220).

2. The battery device according to claim 1, wherein: The height adjustment assembly (230) includes: a first height adjustment portion (231), provided on a side of the connecting portion (220) facing the side wall of the first groove (211); a second height adjustment portion (232) disposed on a side of the sidewall of the first groove (211) facing the connecting portion (220); The first height adjustment portion (231) cooperates with the second height adjustment portion (232) to adjust the axial height of the insulating connector.

3. The battery device according to claim 2, characterized in that The first groove (211) is a cylindrical groove, and the second height adjustment portion (232) comprises: A spiral groove (2321), wherein the first height adjustment portion (231) is at least partially accommodated in the spiral groove (2321).

4. The battery device according to claim 3, characterized in that The first height adjustment portion (231) comprises: A first protrusion (2311), wherein the first protrusion (2311) protrudes toward a side wall of the first groove (211).

5. The battery device according to claim 4, characterized in that The side wall of the first groove (211) comprises a first sub-wall (2121) and a second sub-wall (2122), the second sub-wall (2122) being sleeved on the outside of the connecting portion (220), the first sub-wall (2121) being sleeved on the outside of the second sub-wall (2122), the spiral groove (2321) being arranged on a side of the first sub-wall (2121) facing the connecting portion (220), the second sub-wall (2122) comprising: a first limiting groove (233), the first limiting groove (233) passing through the second sub-wall (2122) and extending along the axial direction of the housing (210); Wherein, the free end of the first protrusion (2311) passes through the first limiting groove (233) to be accommodated in the spiral groove (2321).

6. The battery device according to claim 5, characterized in that The second sub-wall (2122) further comprises: A second limiting groove (234), wherein the second limiting groove (234) passes through the second sub-wall (2122), the second limiting groove (234) extends along the circumference of the second sub-wall (2122), and is in communication with the first limiting groove (233).

7. The battery device according to claim 5, characterized in that The number of the first limiting grooves (233) is two, and the two first limiting grooves (233) are arranged opposite to each other along the radial direction of the first groove (211); Wherein, at least one of the first limiting grooves (233) extends to the axial end surface of the housing (210).

8. The battery device according to claim 2, wherein: The connecting portion (220) includes: A connecting seat (221), wherein the first height adjustment portion (231) is provided on a side of the connecting seat (221) facing the side wall of the first groove (211), and a second groove (2211) is provided on an end surface of the connecting seat (221) away from the bottom wall of the first groove (211); An insert (222), the insert (222) is embedded in the second groove (2211), and the insert (222) is connected to the confluence component (1011) or the fixing component (1012).

9. The battery device according to claim 3, characterized in that The first height adjustment portion (231) comprises: Thread teeth (2312), the thread teeth (2312) are adapted to the spiral groove (2321).

10. The battery device according to claim 9, characterized in that The tooth profile of the thread teeth (2312) is an asymmetric trapezoid or an asymmetric triangle.

11. The battery device according to claim 9, characterized in that The pitch of the thread teeth (2312) decreases along the direction of the opening of the first groove (211).

12. The battery device according to claim 9, wherein: The side wall of the first groove (211) comprises a reinforcing wall (2123), and the reinforcing wall (2123) is sleeved on the outside of the connecting portion (220); The outer side of the reinforcing wall (2123) is provided with a plurality of first protruding structures (2124) spaced apart along the axial direction, and the surfaces of the plurality of first protruding structures (2124) away from the connecting portion (220) are provided with threads; Wherein, the threads of at least two of the first protrusion structures (2124) have opposite rotation directions.

13. The battery device according to claim 1, wherein: A third groove (223) is provided on a side of the connecting portion (220) at one end away from the bottom wall of the first groove (211), and an internal thread (224) is provided on the side wall of the third groove (223); a second protruding portion (225) is provided on the connecting portion (220) at the other end, the second protruding portion (225) protrudes in a direction away from the bottom wall of the first groove (211), and an external thread (226) is provided on the outer wall of the second protruding portion (225); The internal thread (224) and the external thread (226) are adapted to each other.

14. The battery device according to claim 1, wherein: The base material of the shell (210) is an insulating heat-conducting material.

15. The battery device according to claim 14, characterized in that The portion between the housing (210) and the connecting portion (220) is filled with a heat-conducting medium.

16. The battery device according to claim 14, wherein: The connecting portion (220) includes: a cavity (228), wherein the cavity (228) is filled with a heat-conducting medium; A heat conduction port (229), the heat conduction port (229) being arranged on the bottom wall of the connecting portion (220) facing the first groove (211), and the heat conduction port (229) being connected to the cavity (228).

17. The battery device according to any one of claims 1 to 16, characterized in that A portion of the shell (210) located between the two first grooves (211) is provided with a plurality of third protrusions (213), the plurality of third protrusions (213) protruding radially toward the shell (210), and a side of the plurality of third protrusions (213) radially away from the shell (210) along the shell (210) is a plane.

18. An insulating connector, characterized in that: The insulating connector is used for a high-voltage box (101), the high-voltage box (101) comprising a current collecting component (1011) and a fixing component (1012), and the insulating connector comprises: A housing (210), a connecting portion (220), and a height adjustment assembly (230), wherein the housing (210) is provided with first grooves (211) on two opposite end surfaces along the axial direction, the connecting portions (220) are provided in the first grooves (211) at both ends, the connecting portions (220) are connected to the side walls of the first grooves (211), and the connecting portions (220) are respectively connected to the converging component (1011) and the fixing member (1012); The height adjustment component (230) is accommodated in the first groove (211), and the height adjustment component (230) is used to adjust the axial height of the insulating connector through the connecting portion (220).

19. An electrical device, characterized in that: The electrical device comprises: The battery device according to any one of claims 1 to 17, wherein the battery device is used to provide electrical energy.

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