Battery device and electric appliance

Abstract

This application provides a battery device and an electrical appliance. The battery device includes a first electrical connector, a second electrical connector, and an output terminal connection assembly connecting the first and second electrical connectors. The output terminal connection assembly includes a base, a nut, and a screw. The base includes a connector mounting portion, a nut mounting groove, and a nut receiving groove. A first connecting end of the first electrical connector and a second connecting end of the second electrical connector are overlapped in the connector mounting portion. The nut mounting groove is located below the connector mounting portion and communicates vertically with it. The nut is installed in the nut mounting groove, and the screw cooperates with the nut to connect the first and second connecting ends. The nut receiving groove is located below the nut mounting groove and communicates vertically with it, configured to receive a nut that falls out of the nut mounting groove. This battery device helps prevent the detached nut from flying off the base in the event of an impact, thus improving safety.

Description

Technical Field

[0001] This application relates to the field of battery technology, and in particular to a battery device and an electrical appliance. Background Technology

[0002] In battery devices of related technologies, when the battery device is subjected to a collision or impact, the nut in the output terminal connection assembly may fly off to other positions, which may cause a short circuit in the battery device and thus affect the safety of the battery device.

[0003] The above statements are for the purpose of providing background information in relation to this application only, and do not necessarily constitute prior art. Utility Model Content

[0004] The purpose of this application is to provide a battery device and an electrical device that aims to solve the problem that when the battery device is subjected to a collision or impact, the nut in the output terminal connection assembly may fly off to other positions, which may cause a short circuit in the battery device and thus affect the safety of the battery device.

[0005] To achieve the above objectives, a first aspect of this application provides a battery device, comprising: a first electrical connector, a second electrical connector, and an output electrode connection assembly connecting the first electrical connector and the second electrical connector. The output electrode connection assembly includes a base, a nut, and a screw. The base includes: a connector mounting portion, wherein a first connecting end of the first electrical connector and a second connecting end of the second electrical connector are overlapped and placed on the connector mounting portion; a nut mounting groove, disposed below the connector mounting portion and communicating vertically with the connector mounting portion, wherein a nut is mounted in the nut mounting groove, and a screw cooperates with the nut to connect the first connecting end and the second connecting end; and a nut receiving groove, located below the nut mounting groove and communicating vertically with the nut mounting groove, configured to receive a nut that falls off from the nut mounting groove.

[0006] By providing a nut mounting slot, the nut can be installed within it, and the first and second electrical connecting pieces can be secured to the connecting piece mounting portion using screws and nuts. By providing a nut receiving slot, if the battery device is impacted and the nut mounting slot deforms, causing the nut to detach, the detached nut can be caught and contained within the receiving slot. This prevents the detached nut from flying off the base and falling onto other live parts of the battery device, thus avoiding a short circuit. Therefore, providing a nut receiving slot improves the safety of the battery device.

[0007] In some embodiments of the battery device, the connector mounting portion includes: a first electrical connector mounting groove, with a first connecting end located within the first electrical connector mounting groove; and a second electrical connector mounting groove, located between the nut mounting groove and the first electrical connector mounting groove, communicating vertically with both the nut mounting groove and the first electrical connector mounting groove, with the second connecting end inserted into the second electrical connector mounting groove.

[0008] By setting a first electrical connector mounting slot and a second electrical connector mounting slot, and having the second electrical connector mounting slot connected vertically to the nut mounting slot and the first electrical connector mounting slot respectively, the first connecting end of the first electrical connector and the second connecting end of the second electrical connector can contact each other and be fixed to the connector mounting part by screws and nuts, thereby achieving a stable electrical and physical connection between the first electrical connector and the second electrical connector.

[0009] In some embodiments of the battery device, the left and right sides and the front side of the nut mounting slot are closed, and the rear side is open; and / or the left and right sides and the front side of the nut receiving slot are closed, and the rear side is open; and / or the bottom of the nut receiving slot is closed; and / or the left and right sides of the first electrical connector mounting slot are closed, the front side is open, and the rear side is closed; and / or the top of the first electrical connector mounting slot is open; and / or the front side of the second electrical connector mounting slot is closed, the left and right sides are closed, and the rear side is open.

[0010] By designing the nut mounting slot to be closed on the left and right sides and front, and open on the rear, the nut can be easily inserted into the nut mounting slot from the rear during installation, and accurately positioned by the closed parts on the left and right sides and front of the nut mounting slot. This facilitates the accurate mating of the screws passing through the first and second connecting ends with the nut, thus facilitating the assembly of the output electrode connection assembly. By designing the nut receiving slot to be closed on the left and right sides and front, and open on the rear, a detached nut will not fall off from the left and right sides and front, and can be easily removed from the rear, thus facilitating the later maintenance of the battery device. The bottom of the nut receiving slot is closed, which helps prevent the nut that has entered the nut receiving slot from falling off the bottom of the nut receiving slot when the base is damaged, thus facilitating the later maintenance of the battery device. By designing the first electrical connector mounting slot to be closed on the left and right sides, open on the front, and closed on the rear, the first connecting end of the first electrical connector can easily enter the first electrical connector mounting slot and be accurately positioned within the first electrical connector mounting slot. This facilitates the accurate mating of the screws passing through the first and second connecting ends with the nut, thus facilitating the assembly of the output electrode connection assembly. By designing the first electrical connector mounting slot to be open at the top, the first connecting end of the first electrical connector can be quickly and accurately positioned, which also facilitates the manufacturing of the base. By designing the second electrical connector mounting slot to be closed at the front, closed on the left and right sides, and open at the rear, the second connecting end of the second electrical connector can be easily installed into the second electrical connector mounting slot from the rear and accurately positioned within the slot. This also facilitates the accurate mating of screws and nuts passing through the first and second connecting ends, thereby simplifying the assembly of the output electrode connection assembly.

[0011] In some embodiments of the battery device, the left and right ends of the nut mounting groove protrude relative to the left and right ends of the nut receiving groove, respectively; and / or the left and right ends of the second electrical connector mounting groove protrude relative to the left and right ends of the first electrical connector mounting groove, respectively.

[0012] The left and right ends of the nut mounting slot protrude relative to the left and right ends of the nut receiving slot, respectively. This prevents the nut from falling into the nut receiving slot after it is installed in the nut mounting slot, provided the base does not deform significantly. This helps maintain a stable fit between the screw and the nut, thus facilitating a stable connection between the first and second connecting ends. Similarly, the left and right ends of the second electrical connector mounting slot protrude relative to the left and right ends of the first electrical connector mounting slot, respectively. This facilitates precise positioning of the first connecting end of the first electrical connector in the first electrical connector mounting slot, further contributing to a stable connection between the first and second connecting ends.

[0013] In some embodiments of the battery device, a partition is provided between the second electrical connector mounting slot and the nut mounting slot, the partition including a partition opening that connects the second electrical connector mounting slot and the nut mounting slot to allow screws to pass through.

[0014] By setting up a partition, it is beneficial to reduce interference between the screw and the second connection end during assembly. It is also beneficial to prevent the second connection end from deforming due to collision between the two, which would affect the normal alignment and connection between the second connection end and the first connection end, or affect the current flow area after the second connection end and the first connection end are connected. It is also beneficial to prevent the position of the nut from changing due to collision between the two, which would affect the alignment and fit of the screw and nut during assembly.

[0015] In some embodiments of the battery device, the separator includes two baffles spaced apart from each other, with the gap between the two baffles forming an opening in the separator.

[0016] The partition is designed as two spaced baffles, which facilitates the adjustment of the relative position of the screws in the front-to-back direction when assembling the first connecting piece, the second connecting piece and the output pole connection assembly, thereby facilitating the alignment and mating of the screws and nuts.

[0017] In some embodiments of the battery device, the connecting piece mounting portion further includes a third electrical connecting piece mounting groove, which is located at the rear of the base, extends in the vertical direction, and its bottom is connected to the second electrical connecting piece mounting groove in the front and rear directions. The second electrical connecting piece is located in the third electrical connecting piece mounting groove.

[0018] By setting a third electrical connector mounting groove, the second electrical connector is more securely fixed, preventing it from becoming misaligned when subjected to impact. This enhances the connection stability between the first and second electrical connectors, thereby improving the safety of the battery device.

[0019] In some embodiments of the battery device, the top and rear of the third electrical connector mounting slot are open; and / or the top of the third electrical connector mounting slot is higher than the top of the first electrical connector mounting slot.

[0020] By designing the top and rear of the third electrical connector mounting slot to be open, the second electrical connector can be installed and maintained quickly. Furthermore, the open top and rear of the third electrical connector mounting slot reduce manufacturing difficulty and costs. By setting the top of the third electrical connector mounting slot higher than the top of the first electrical connector mounting slot, the second electrical connector is more securely fixed.

[0021] In some embodiments of the battery device, the base also includes two protective plates respectively disposed on the left and right sides of the first connection end.

[0022] The protective plate helps to protect the first electrical connection end of the first electrical connection piece and the second electrical connection end of the second electrical connection piece, which can buffer external mechanical impact and reduce the risk of damage to the first connection end of the first electrical connection piece and the second connection end of the second electrical connection piece due to accidental collision or vibration.

[0023] In some embodiments of the battery device, the thickness of the nut head that mates with the nut mounting groove is less than the height of the nut mounting groove; and / or the nut is a floating nut.

[0024] By setting the thickness of the nut head that mates with the nut mounting groove to be less than the height of the groove, the nut can smoothly enter the groove during installation and move up and down within it, facilitating a more effective threaded connection between the screw and the nut.

[0025] Because the nut is a floating nut, the thickness of the nut head that mates with the nut mounting slot is smaller, making the structure of the output pole connection assembly more compact.

[0026] In some embodiments of the battery device, the output terminal connection assembly further includes a connector that secures the base to the battery module or battery box of the battery device.

[0027] By incorporating connectors, the base is secured to the battery module or battery box of the battery device, thereby improving the overall stability and reliability of the battery device structure and preventing displacement or loosening of the output terminal connection components under impact. Furthermore, the connector design facilitates the installation and maintenance of the battery device, thus improving its production efficiency.

[0028] In some embodiments of the battery device, the connector includes a mounting plate that secures the base to a mounting recess on the battery module or battery box.

[0029] By setting a mounting plate that fixes the base to the mounting recess on the battery module or battery box, the output electrode connection component is made compatible with the shape of the battery module or battery box, thus improving the space utilization of the battery device.

[0030] In some embodiments of the battery device, the output terminal connection assembly further includes a protective cover, which is connected to the base and covers the outside of the first connection terminal.

[0031] By setting a protective cover over the outside of the first connecting end, external mechanical impact can be buffered, reducing the risk of damage to the first connecting end of the first electrical connecting piece and the second connecting end of the second electrical connecting piece due to accidental collision or vibration, and also helping to prevent the screw from flying off after loosening.

[0032] In some embodiments, a protrusion is provided on the inner side of the protective cover as a buckle, and a groove is provided on the corresponding position on the outer side of the base as a latch. The protrusion and the groove cooperate with each other to achieve the snap-fit ​​between the protective cover and the base.

[0033] In some embodiments of the battery device, the rear surface of the base abuts against components other than the output terminal connection assembly of the battery device.

[0034] By setting the rear surface of the base to be in contact with components other than the output terminal connection assembly of the battery device, the nut mounting slot, the nut receiving slot, and components other than the output terminal connection assembly of the battery device form a closed space, thereby preventing nuts that fall out of the nut mounting slot from flying out of the nut receiving slot and improving the safety of the battery device.

[0035] A second aspect of this application provides an electrical device including a battery device according to the first aspect of this application, the battery device being configured to provide power to the electrical device.

[0036] The electrical equipment provided in this application embodiment has the same advantages as the battery device provided in this application embodiment.

[0037] Other features and advantages of this application will become clear from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description

[0038] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0039] Figure 1 This is a schematic diagram of the structure of an electrical device according to some embodiments of this application.

[0040] Figure 2 This is a schematic diagram of the structure of a battery module in a battery device provided in some embodiments of this application.

[0041] Figure 3 for Figure 2 A schematic diagram of the combined structure of the base, nut, connector and protective cover of the output terminal connection component of the battery device.

[0042] Figure 4 for Figure 3 The diagram shows the exploded structure of the combined structure.

[0043] Figure 5 This is a schematic diagram of the combined structure of the base and nut of the output electrode connection assembly in an alternative embodiment.

[0044] Figure 6 for Figure 2 A schematic diagram of the structure of the first electrical connection piece of the battery device.

[0045] Figure 7 for Figure 2 A schematic diagram of the structure of the second electrical connection piece of the battery device.

[0046] Figures 1 to 7 In the figures, the labels represent:

[0047] D. Electrical equipment; B. Battery assembly; 10. Base; 11. Nut mounting slot; 12. Nut receiving slot; 13. First electrical connector mounting slot; 14. Second electrical connector mounting slot; 15. Third electrical connector mounting slot; 16. Partition; 161. Partition opening; 162. Baffle; 17. Bayonet; 18. Protective plate; 20. Nut; 30. Protective cover; 31. Buckle; 40. Connector; 41. Mounting hole; 50. First electrical connector; 51. First connecting end; 60. Second electrical connector; 61. Second connecting end; 70. End plate; 71. Mounting recess; 80. Side plate; 90. Insulating plate; 100. Battery cell; 110. Wiring harness isolation plate; 120. Connecting bar. Detailed Implementation

[0048] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this application or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0049] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0050] In the description of this application, it should be understood that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this application.

[0051] In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0052] In the following description, "front" refers to the side of the output terminal connection assembly when the battery device is in use, corresponding to... Figure 3 The center refers to the side that the Y-axis points to; "back" refers to the side opposite to "front"; "left" and "right" refer to the left and right directions formed when facing forward, with "right" corresponding to... Figure 3 The direction in the center is the side that X points to. The vertical direction refers to the vertical direction of the output terminal connection assembly when the battery device is in use, where "up" corresponds to... Figure 3 The side that Z points towards in the middle.

[0053] Furthermore, when an element is referred to as being "on" another element, the element may be directly on the other element, or it may be indirectly on the other element with one or more intermediate elements inserted between them. Additionally, when an element is referred to as being "connected" to another element, the element may be directly connected to the other element, or it may be indirectly connected to the other element with one or more intermediate elements inserted between them. In the following drawings, the same reference numerals denote the same elements.

[0054] Unless otherwise required by the content, throughout the following description, the word “including” and its variations, such as “comprising” and “having”, will be interpreted in an open-ended, inclusive sense, that is, as “including but not limited to”.

[0055] In this application, "multiple" means two or more (including two), and similarly, "multiple groups" means two or more (including two groups).

[0056] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0057] In the process of developing this application, the inventors discovered that, as described in the background art, when a battery device of the related art is subjected to a collision or impact, the nut in the output terminal connection assembly may fly off to other positions, which could easily cause a short circuit in the battery device and thus affect the safety of the battery device.

[0058] Therefore, this application proposes a battery device that, by providing a nut receiving groove located below the nut mounting groove and communicating vertically with the nut mounting groove, can receive nuts that fall off the nut mounting groove, thereby preventing the nuts from flying to other positions and causing short circuits in the battery device, and improving the safety of the battery device.

[0059] Furthermore, this application also proposes an electrical device that includes the battery device.

[0060] The battery device is configured to provide electrical power to electrical devices. These devices can be, but are not limited to, mobile phones, portable devices, laptops, electric vehicles, electric cars, ships, spacecraft, electric toys, and power tools. For example, spacecraft include airplanes, rockets, space shuttles, and spacecraft. Electric toys include stationary or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys. Power tools include metal cutting power tools, grinding power tools, assembly power tools, and railway power tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete vibrators, and electric planers.

[0061] The battery device can be in the form of a battery pack or a battery module.

[0062] A battery pack is a single physical module that includes one or more battery cells to provide higher voltage and capacity. A battery pack typically includes a housing for enclosing the one or more battery cells. The housing prevents liquids or other foreign matter from affecting the charging or discharging of the battery cells.

[0063] A battery module is a unit comprising multiple battery cells, designed to provide higher voltage and capacity. By connecting these cells in parallel or series to form a battery pack, battery modules can meet the power requirements of various applications. Connecting battery cells in series increases the total voltage, while connecting them in parallel increases the total capacity. Battery modules typically also include protective structures to safeguard the multiple battery cells. These protective structures protect the battery pack from damage caused by the external environment. Examples of such protective structures include two side plates located on either side of the battery pack and two end plates located at both ends of the battery pack.

[0064] like Figures 2 to 7As shown, the battery device B provided in this embodiment includes a first electrical connector 50, a second electrical connector 60, and an output terminal connection assembly connecting the first electrical connector 50 and the second electrical connector 60. The output terminal connection assembly includes a base 10, a nut 20, and a screw. The base 10 includes a connector mounting portion, a nut mounting groove 11, and a nut receiving groove 12. The first connecting end 51 of the first electrical connector 50 and the second connecting end 61 of the second electrical connector 60 are placed overlappingly on the connector mounting portion. The nut mounting groove 11 is located below the connector mounting portion and communicates vertically with the connector mounting portion. The nut 20 is installed in the nut mounting groove 11, and the screw cooperates with the nut 20 to connect the first connecting end 51 and the second connecting end 61. The nut receiving groove 12 is located below the nut mounting groove 11 and communicates vertically with the nut mounting groove 11, and is configured to receive the nut 20 that falls out of the nut mounting groove 11.

[0065] By providing a nut mounting slot 11, the nut 20 can be installed within the nut mounting slot 11, and the first electrical connecting piece 50 and the second electrical connecting piece 60 can be fixed to the connecting piece mounting part by screws and the nut 20. By providing a nut receiving slot 12, if the battery device B is impacted, causing the nut mounting slot 11 to deform and the nut 20 to fall out of the nut mounting slot 11, the detached nut 20 can be received by the nut receiving slot 12 and confined within the nut receiving slot 12. This prevents the detached nut 20 from flying out of the base 10 and falling onto other live parts of the battery device during an impact, thus avoiding a short circuit in the battery device B. Therefore, by providing the nut receiving slot 12, the safety of the battery device B is improved.

[0066] like Figures 3 to 4 As shown, in some embodiments of the battery device B, the connecting piece mounting part includes: a first electrical connecting piece mounting groove 13, with a first connecting end 51 located in the first electrical connecting piece mounting groove 13; and a second electrical connecting piece mounting groove 14, located between the nut mounting groove 11 and the first electrical connecting piece mounting groove 13, communicating vertically with the nut mounting groove 11 and the first electrical connecting piece mounting groove 13 respectively, with the second connecting end 61 inserted into the second electrical connecting piece mounting groove 14.

[0067] By setting a first electrical connector mounting groove 13 and a second electrical connector mounting groove 14, and the second electrical connector mounting groove 14 being vertically connected to the nut mounting groove 11 and the first electrical connector mounting groove 13 respectively, the first connecting end 51 of the first electrical connector 50 and the second connecting end of the second electrical connector 60 can contact each other and be fixed to the connector mounting part by screws and nuts 20, thereby achieving a stable electrical connection and physical connection between the first electrical connector 50 and the second electrical connector 60.

[0068] like Figures 3 to 7As shown, in some embodiments of the battery device B, the nut mounting groove 11 is closed on the left and right sides and the front side, and open on the rear side; and / or the nut receiving groove 12 is closed on the left and right sides and the front side, and open on the rear side; and / or the bottom of the nut receiving groove 12 is closed; and / or the first electrical connector mounting groove 13 is closed on the left and right sides, open on the front side, and closed on the rear side; and / or the top of the first electrical connector mounting groove 13 is open; and / or the second electrical connector mounting groove 14 is closed on the front side, closed on the left and right sides, and open on the rear side.

[0069] By designing the nut mounting slot 11 to be closed on the left, right, and front sides, and open on the rear side, the nut 20 is easily inserted into the nut mounting slot 11 from the rear side during installation and accurately positioned through the closed parts on the left, right, and front sides of the nut mounting slot 11. This facilitates the accurate engagement of the screws passing through the first connecting end 51 and the second connecting end 61 with the nut 20, thereby facilitating the assembly of the output electrode connection assembly. By designing the nut receiving slot 12 to be closed on the left, right, and front sides, and open on the rear side, the detached nut 20 will not fall off from the left, right, and front sides again and can be easily removed from the rear side, thus facilitating the later maintenance of the battery device B. The bottom of the nut receiving slot 12 is closed, which helps prevent the nut 20 that has entered the nut receiving slot 12 from falling off the bottom of the nut receiving slot 12 when the damaged base 10 is removed, thus facilitating the later maintenance of the battery device B. By setting the first electrical connector mounting slot 13 to be closed on the left and right sides, open on the front, and closed on the rear, it is convenient for the first connecting end 51 of the first electrical connector 50 to enter the first electrical connector mounting slot 13 and to achieve accurate positioning of the first connecting end 51 within the first electrical connector mounting slot 13. This facilitates the accurate engagement of the screws and nuts 20 passing through the first connecting end 51 and the second connecting end 61, thereby facilitating the assembly of the output electrode connection assembly. By setting the top of the first electrical connector mounting slot 13 to be open, it is convenient for the first connecting end 51 of the first electrical connector 50 to be quickly and accurately positioned, and it also facilitates the manufacturing of the base 10. By setting the second electrical connector mounting slot 14 to be closed on the front, closed on the left and right sides, and open on the rear, it is convenient for the second connecting end 61 of the second electrical connector 60 to be installed into the second electrical connector mounting slot 14 from the rear and to achieve accurate positioning of the second connecting end 61 within the second electrical connector mounting slot 14. This facilitates the accurate engagement of the screws and nuts 20 passing through the first connecting end 51 and the second connecting end 61, thereby facilitating the assembly of the output electrode connection assembly.

[0070] like Figures 3 to 7 As shown, in some embodiments of the battery device B, the left and right ends of the nut mounting groove 11 protrude relative to the left and right ends of the nut receiving groove 12, respectively; and / or the left and right ends of the second electrical connector mounting groove 14 protrude relative to the left and right ends of the first electrical connector mounting groove 13, respectively.

[0071] The left and right ends of the nut mounting groove 11 protrude relative to the left and right ends of the nut receiving groove 12, respectively. This prevents the nut 20 from falling into the nut receiving groove 12 after it is installed in the nut mounting groove 12, provided that the base 11 does not deform significantly. This helps maintain a relatively stable fit between the screw and the nut 20, thereby facilitating a stable connection between the first connecting end 51 and the second connecting end 61. The left and right ends of the second electrical connecting piece mounting groove 14 protrude relative to the left and right ends of the first electrical connecting piece mounting groove 13, respectively. This facilitates precise positioning of the first connecting end 51 of the first electrical connecting piece 50 in the first electrical connecting piece mounting groove 13, thereby facilitating a stable connection between the first connecting end 51 and the second connecting end 61.

[0072] like Figures 3 to 7 As shown, in some embodiments of the battery device B, a partition 16 is provided between the second electrical connector mounting groove 14 and the nut mounting groove 11. The partition 16 includes a partition opening 161 that connects the second electrical connector mounting groove 14 and the nut mounting groove 11 from top to bottom to allow screws to pass through.

[0073] By setting the partition 16, it is beneficial to reduce the interference between the screw 20 and the second connecting end 61 during assembly, and to prevent the second connecting end 61 from deforming due to the collision between the two, which would affect the normal alignment and connection between the second connecting end 61 and the first connecting end 51 or affect the current flow area after the second connecting end 61 and the first connecting end 51 are connected. It is also beneficial to prevent the position of the nut 20 from changing due to the collision between the two, which would affect the alignment and fit of the screw and nut 20 during assembly.

[0074] like Figures 3 to 4 As shown, in some embodiments of the battery device B, the separator includes two baffles 162 spaced apart from each other, and the gap between the two baffles 162 forms a separator opening 161.

[0075] The partition is set in the form of two spaced baffles 162, which facilitates the adjustment of the relative position of the screws in the front-to-back direction when the first connecting piece 50, the second connecting piece 60 and the output pole connection assembly are assembled, thereby facilitating the alignment and mating of the screws and nuts 20.

[0076] like Figures 3 to 4 As shown, in some embodiments of the battery device B, the connecting piece mounting portion further includes a third electrical connecting piece mounting groove 15. The third electrical connecting piece mounting groove 15 is located at the rear of the base 10, extends in the vertical direction, and its bottom communicates with the second electrical connecting piece mounting groove 14 front and rear. The second electrical connecting piece 60 is partially located in the third electrical connecting piece mounting groove 15.

[0077] By setting the third electrical connector mounting groove 15, the second electrical connector 60 is securely fixed, preventing the second electrical connector 60 from becoming misaligned when subjected to impact, thus enhancing the connection stability of the first electrical connector 50 and the second electrical connector 60, thereby improving the safety of the battery device B.

[0078] like Figures 3 to 4 As shown, in some embodiments of the battery device B, the top and rear of the third electrical connector mounting groove 15 are open; and / or the top of the third electrical connector mounting groove 15 is higher than the top of the first electrical connector mounting groove 13.

[0079] By opening the top and rear of the third electrical connector mounting slot 15, the second electrical connector 60 can be quickly installed and maintained. Furthermore, the open top and rear of the third electrical connector mounting slot 15 reduces manufacturing difficulty and costs. By setting the top of the third electrical connector mounting slot 15 higher than the top of the first electrical connector mounting slot 13, the second electrical connector 60 is more securely fixed.

[0080] like Figure 4 As shown, in some embodiments of the battery device B, the base 10 also includes two protective plates 18 respectively disposed on the left and right sides of the first connection end 51.

[0081] The protective plate 18 is designed to protect the first electrical connection end 51 of the first electrical connection piece 50 and the second electrical connection end 61 of the second electrical connection piece 60. It can buffer external mechanical impacts and reduce the risk of damage to the first connection end 51 of the first electrical connection piece 50 and the second connection end 61 of the second electrical connection piece 60 due to accidental collisions or vibrations.

[0082] In some embodiments of the battery device B, the thickness of the nut head that mates with the nut mounting groove 11 is less than the groove height of the nut mounting groove 11; and / or the nut 20 is a floating nut.

[0083] By setting the thickness of the nut head that mates with the nut mounting groove 11 to be less than the height of the groove 11, the nut 20 can smoothly enter the nut mounting groove 11 during installation, and the nut 20 can move up and down in the nut mounting groove 11, which facilitates a more effective thread engagement between the screw and the nut 20.

[0084] Since nut 20 is a floating nut, the thickness of the nut head that mates with nut mounting groove 11 is smaller, making the structure of the output pole connection assembly more compact.

[0085] like Figures 3 to 4 As shown, in some embodiments of the battery device B, the output terminal connection assembly further includes a connector 40, which fixes the base 10 to the battery module or battery box of the battery device B.

[0086] By incorporating connector 40, the base 10 is fixed to the battery module or battery box of battery device B, thereby improving the overall stability and reliability of battery device B and preventing displacement or loosening of the output terminal connection assembly under impact. Furthermore, the design of connector 40 facilitates the installation and maintenance of battery device B, thus improving its production efficiency.

[0087] like Figures 3 to 4 As shown, in some embodiments of the battery device B, the connector 40 includes a mounting plate that secures the base 10 to a mounting recess 71 on the battery module or battery box.

[0088] By setting a mounting plate that fixes the base 10 to the mounting recess 71 on the battery module or battery box, the output electrode connection component is made to match the shape of the battery module or battery box, thereby improving the space utilization of the battery device B.

[0089] like Figures 3 to 7 As shown, in some embodiments of the battery device B, the output terminal connection assembly further includes a protective cover 30, which is connected to the base 10 and covers the outside of the first connection end 51.

[0090] By providing a protective cover 30 covering the outside of the first connecting end 51, external mechanical impacts can be buffered, reducing the risk of damage to the first connecting end 51 of the first electrical connecting piece 50 and the second connecting end 61 of the second electrical connecting piece 60 due to accidental collisions or vibrations. It also helps to prevent screws from flying off after they loosen.

[0091] In some embodiments, such as Figure 4 As shown, the inner side of the protective cover 30 is provided with a protrusion as a buckle 31, and the outer side of the base 10 is provided with a groove as a latch 17. The protrusion and the groove cooperate with each other to achieve the snap-fit ​​between the protective cover 30 and the base 10.

[0092] like Figure 2 As shown, in some embodiments of the battery device B, the rear surface of the base 10 is in contact with components other than the output terminal connection assembly of the battery device B.

[0093] By setting the rear surface of the base 10 to be in contact with components other than the output terminal connection assembly of the battery device B, the nut mounting groove 11, the nut receiving groove 12 and the components other than the output terminal connection assembly of the battery device B form a closed space, thereby preventing the nut 20 that falls off from the nut mounting groove 11 from flying out of the nut receiving groove 12 and improving the safety of the battery device B.

[0094] This application also provides an electrical device D, including a battery device B according to this application, which is configured to provide power to the electrical device D.

[0095] The electrical device D provided in this application embodiment has the same advantages as the battery device B provided in this application embodiment.

[0096] The following combination Figures 1 to 7 The present application will now describe in more detail the battery device B and the electrical device D having the battery device B according to some embodiments of the present application.

[0097] Figure 1 This is a schematic diagram of the structure of electrical equipment D—a vehicle—provided in some embodiments of this application. The vehicle can be a gasoline-powered vehicle, a natural gas-powered vehicle, or a new energy vehicle. New energy vehicles can be pure electric vehicles, hybrid electric vehicles, or range-extended vehicles, etc. Figure 1 The vehicle is equipped with a battery unit B, which can be located at the bottom, front, or rear of the vehicle. Battery unit B can be used to power the vehicle, for example, as its operating power source.

[0098] In some embodiments of this application, the battery device B can not only serve as the operating power source for the vehicle, but also as the driving power source for the vehicle, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle.

[0099] like Figure 2 As shown in the embodiment of this application, the battery device B is in the form of a battery module. The battery module includes a battery pack formed by electrically connecting multiple battery cells 100 through multiple connecting tabs 120. A wiring harness isolation plate 110 is provided on the top of the multiple battery cells 100, and the multiple connecting tabs 120 are provided above the wiring harness isolation plate 110. The battery module B also includes a protective structure. The protective structure includes, for example, two side plates 80 respectively provided on both sides of the battery pack and two end plates 70 respectively provided at both ends of the battery pack. An insulating plate 90 is also provided between the end plate 70 and the battery pack. A mounting notch 71 is provided on the end plate 70.

[0100] Battery device B also includes a first electrical connection piece 50, a second electrical connection piece 60, and an output electrode connection assembly. In this embodiment, the first electrical connection piece 50 is specifically an external high-voltage switch, and the second electrical connection piece 60 is specifically an output electrode switch of the battery pack. The first electrical connection piece 50 and the second electrical connection piece 60 can be made of metallic materials, such as aluminum, copper, or copper-aluminum composite materials. This provides advantages such as good conductivity and ease of processing.

[0101] The output terminal connection assembly is used to connect the first electrical connection piece 50 and the second electrical connection piece 60. The output terminal connection assembly includes a base 10, a floating nut as a nut 20, a screw (not shown), a protective cover 30, and a mounting plate as a connector 40.

[0102] The base 10 includes a connecting piece mounting portion, a nut mounting groove 11, and a nut receiving groove 12. The base 10 can be made of an insulating material, such as thermoplastic engineering plastic. In this embodiment, the base 10 is manufactured by an injection molding process.

[0103] The connecting piece mounting section includes a first electrical connecting piece mounting groove 13, a second electrical connecting piece mounting groove 14, and a third electrical connecting piece mounting groove 15. The first electrical connecting piece mounting groove 13 is closed on the left and right sides, open on the front, closed on the rear, and open at the top. The second electrical connecting piece mounting groove 14 is located between the nut mounting groove 11 and the first electrical connecting piece mounting groove 13, and is vertically connected to both the nut mounting groove 11 and the first electrical connecting piece mounting groove 13. The left and right ends of the second electrical connecting piece mounting groove 14 protrude relative to the left and right ends of the first electrical connecting piece mounting groove 13, respectively. The left and right sides of the second electrical connecting piece mounting groove 14 are closed, while the front and rear ends are open. The third electrical connecting piece mounting groove 15 is located at the rear of the base 10, extends vertically, and its bottom is vertically connected to the second electrical connecting piece mounting groove 14. The top and rear of the third electrical connecting piece mounting groove 15 are open, and the top of the third electrical connecting piece mounting groove 15 is higher than the top of the first electrical connecting piece mounting groove 13. During installation, the main body of the connecting piece of the second electrical connecting piece 60 forms an L-shape with the second connecting end 61. After the second connecting end 61 is inserted into the second electrical connecting piece mounting groove 14 from the rear of the base 10, the main body of the connecting piece connected to the second connecting end 61 abuts against the front wall of the third electrical connecting piece mounting groove 15, thus being located in the third electrical connecting piece mounting groove 15. Then, the first connecting end 51 of the first electrical connecting piece 50 is placed into the first connecting piece mounting groove 13, and the first connecting end 51 contacts and overlaps with the second connecting end 61.

[0104] A nut mounting groove 11 is located below the connecting piece mounting portion and communicates vertically with it. The nut mounting groove 11 is closed on the left and right sides and the front, but open on the rear. A partition 16 exists between the second electrical connecting piece mounting groove 14 and the nut mounting groove 11. The partition 16 includes a partition opening 161 that connects the second electrical connecting piece mounting groove 14 and the nut mounting groove 11 vertically to allow a screw to pass through. The partition includes two baffles 162 spaced apart horizontally, with the gap between the two baffles 162 forming the partition opening 161. A floating nut is installed in the nut mounting groove 11. The thickness of the nut head 20 that mates with the floating nut in the nut mounting groove 11 is less than the groove height of the nut mounting groove 11. After passing through the first connecting end 51 of the first electrical connecting piece 50 and the second connecting end 61 of the second electrical connecting piece 60, the screw engages with the floating nut to connect the first electrical connecting piece 50 and the second electrical connecting piece 60.

[0105] The nut receiving groove 12 is located below the nut mounting groove 11 and is vertically connected to the nut mounting groove 11. It is configured to receive the nut 20 that falls out of the nut mounting groove 11. The left and right sides, front side, and bottom of the nut receiving groove 12 are closed, while the rear side is open. The left and right ends of the nut mounting groove 11 protrude relative to the left and right ends of the nut receiving groove 12, respectively.

[0106] In this embodiment, the base 10 is installed in the mounting recess provided on the end plate 70, and the rear surface of the base 10 is in contact with the insulating plate 90. Thus, the rear parts of the second electrical connector mounting groove 14, the third electrical connector mounting groove 15, the nut mounting groove 11 and the nut receiving groove 12 are all closed by the insulating plate 90. The second connecting end 61 of the second electrical connector 60 and the part located in the third electrical connector mounting groove 15, as well as the nut 20, are all confined within the corresponding space of the base 10.

[0107] The mounting plate is mounted to the front side of the end plate 70 by screws passing through the mounting holes 41 thereon, thereby confining the base 10 within the mounting recess 71 of the end plate 70.

[0108] The protective cover 30 is installed on the base 10 and covers the outside of the first connecting end 51. The inner side of the protective cover 30 is provided with a protrusion as a buckle 31, and the corresponding position on the outer side of the base 10 is provided with a groove as a latch 17. The protrusion and the groove cooperate with each other to make the protective cover 30 and the base 10 snap together.

[0109] like Figures 1 to 4 As shown, the base 10 also includes two protective plates 18 respectively disposed on the left and right sides of the first connecting end 51.

[0110] like Figure 5 As shown, with Figures 1 to 4 The difference between the embodiments shown is that, Figure 5 The base of the embodiment shown does not have two protective plates located on the left and right sides outside the first connecting end 51.

[0111] Those skilled in the art will understand that, in the methods described in the specific embodiments, the order in which the steps are written does not imply a strict execution order and does not constitute any limitation on the implementation process. The specific execution order of each step should be determined by its function and possible internal logic.

[0112] The description of the various embodiments above tends to emphasize the differences between the various embodiments. The similarities or similarities between them can be referred to, and for the sake of brevity, they will not be repeated here.

[0113] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application and not to limit them; although this application has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this application or equivalent substitutions can be made to some technical features, all of which should be covered within the scope of the technical solutions claimed in this application.

Claims

1. A battery device (B), characterized in that, The device includes a first electrical connector (50), a second electrical connector (60), and an output electrode connection assembly connecting the first electrical connector (50) and the second electrical connector (60). The output electrode connection assembly includes a base (10), a nut (20), and a screw. The base (10) includes: The first connecting end (51) of the first electrical connecting piece (50) and the second connecting end (61) of the second electrical connecting piece (60) are placed overlappingly in the connecting piece mounting part; A nut mounting groove (11) is provided below the connecting piece mounting portion and communicates vertically with the connecting piece mounting portion. The nut (20) is installed in the nut mounting groove (11), and the screw cooperates with the nut (20) to connect the first connecting end (51) and the second connecting end (61). The nut receiving groove (12) is located below the nut mounting groove (11) and is vertically connected to the nut mounting groove (11). It is configured to receive the nut (20) that falls off from the nut mounting groove (11).

2. The battery device (B) according to claim 1, characterized in that, The connecting piece mounting part includes: The first electrical connector mounting slot (13) is located within the first electrical connector mounting slot (13); and The second electrical connector mounting slot (14) is located between the nut mounting slot (11) and the first electrical connector mounting slot (13), and is vertically connected to the nut mounting slot (11) and the first electrical connector mounting slot (13), respectively. The second connecting end (61) is inserted into the second electrical connector mounting slot (14).

3. The battery device (B) according to claim 2, characterized in that, The nut mounting groove (11) is closed on the left and right sides and the front side, and open on the rear side; and / or The nut receiving groove (12) is closed on the left and right sides and the front side, and open on the rear side; and / or The bottom of the nut receiving groove (12) is closed; and / or The first electrical connector mounting groove (13) is closed on both sides, open on the front, and closed on the rear; and / or The top of the first electrical connector mounting slot (13) is open; and / or The second electrical connector mounting groove (14) is closed on the front, closed on the left and right sides, and open on the rear.

4. The battery device (B) according to claim 2, characterized in that, The left and right ends of the nut mounting groove (11) protrude relative to the left and right ends of the nut receiving groove (12); and / or The left and right ends of the second electrical connector mounting groove (14) protrude relative to the left and right ends of the first electrical connector mounting groove (13).

5. The battery device (B) according to claim 2, characterized in that, The second electrical connector mounting slot (14) and the nut mounting slot (11) have a partition (16) including a partition opening (161) that connects the second electrical connector mounting slot (14) and the nut mounting slot (11) for the screw to pass through.

6. The battery device (B) according to claim 5, characterized in that, The partition includes two baffles (162) spaced apart on the left and right, and the gap between the two baffles (162) forms the partition opening (161).

7. The battery device (B) according to claim 2, characterized in that, The connecting piece mounting part also includes a third electrical connecting piece mounting groove (15), which is located at the rear of the base (10), extends in the vertical direction, and its bottom is connected to the second electrical connecting piece mounting groove (14) in the front and rear. The second electrical connecting piece (60) is partially located in the third electrical connecting piece mounting groove (15).

8. The battery device (B) according to claim 7, characterized in that, The third electrical connector mounting slot (15) is open at the top and rear; and / or The top of the third electrical connector mounting slot (15) is higher than the top of the first electrical connector mounting slot (13).

9. The battery device (B) according to any one of claims 1 to 8, characterized in that, The base (10) also includes two protective plates (18) respectively disposed on the left and right sides of the first connecting end (51).

10. The battery device (B) according to any one of claims 1 to 8, characterized in that, The thickness of the nut head (20) that mates with the nut mounting groove (11) is less than the groove height of the nut mounting groove (11); and / or The nut (20) is a floating nut.

11. The battery device (B) according to any one of claims 1 to 8, characterized in that, The output terminal connection assembly further includes a connector (40) that fixes the base (10) to the battery module or battery box of the battery device (B).

12. The battery device (B) according to claim 11, characterized in that, The connector (40) includes a mounting plate that fixes the base (10) into the mounting recess (70) on the battery module or the battery box.

13. The battery device (B) according to any one of claims 1 to 8, characterized in that, The output pole connection assembly also includes a protective cover (30), which is connected to the base (10) and covers the outside of the first connection end (51).

14. The battery device (B) according to any one of claims 1 to 8, characterized in that, The rear surface of the base (10) is in contact with a component other than the output terminal connection assembly of the battery device (B).

15. An electrical appliance (D), characterized in that, Includes the battery device (B) according to any one of claims 1 to 14, wherein the battery device (B) is configured to provide power to the electrical device (D).

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