Battery pack and electric equipment

Abstract

The utility model relates to the technical field of new energy batteries, and discloses a battery pack and electric equipment, the battery pack has a first direction and a second direction which are perpendicular to each other, and the battery pack comprises a connector comprising a connecting end; the support comprises an assembling seat and a fixing seat, the connector is fixedly connected with the assembling seat, the assembling seat is provided with a wire passing hole, and the wire passing hole penetrates through the assembling seat in the first direction; the fixing seat is provided with a wiring channel communicated with the wire passing hole. The end, away from the wire passing hole, of the wiring channel extends in the second direction. The wire harness penetrates through the wiring channel and is electrically connected with the connecting end, and the wire harness is fixedly connected with the fixed seat; the fixing base is fixedly connected with the bottom plate, and the bottom plate and part of the wire harness are arranged at intervals in the first direction. When the connector is assembled, the support, the wire harness and the connector are pre-assembled into an integral structure, the operation space of the wire harness is saved, the fixing seat has a fixing and arranging effect on the wire harness, the wire harness is prevented from being damaged by shaking and friction when the integral structure and the bottom plate are fixed, and the use safety of the battery pack is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of new energy battery technology, and in particular to a battery pack and electrical equipment. Background Technology

[0002] A battery pack is a complete battery system formed by connecting multiple individual cells together in series, parallel or other ways. When the battery pack is supplying power, a connector is set on the battery pack as an adapter. The internal wiring harness of the connector transmits electrical signals and other data to the vehicle's main control system.

[0003] Currently, in battery packs, connectors used for power supply and signal acquisition need to be fixedly mounted on specific covers or brackets. During installation, the connectors require internal wiring harnesses, thus requiring sufficient operating space for easy access by operators. However, existing connectors require tooling for positioning during assembly, which occupies operator space, hinders harness assembly, and causes the harness to come into contact with and rub against other components within the battery pack. Damage to the harness sheath can lead to short circuits, compromising the battery pack's safety. Utility Model Content

[0004] The purpose of this utility model is to provide a battery pack to solve the problem that the wire harness skin will be damaged by friction during the assembly of the connector in the existing battery pack; this utility model also provides an electrical device using the battery pack.

[0005] To achieve the above objectives, this utility model provides a battery pack having a first direction and a second direction that are perpendicular to each other, and the battery pack includes:

[0006] Connector, including connecting ends;

[0007] The bracket includes a mounting base and a fixing base fixedly connected to the mounting base. The connector is fixedly connected to the mounting base. The mounting base has a wire passage hole, which is disposed opposite to the connector end along a first direction and passes through the mounting base along the first direction. The fixing base is disposed on the side of the mounting base away from the connector. The fixing base has a wiring channel communicating with the wire passage hole, and one end of the wiring channel away from the wire passage hole extends along a second direction.

[0008] A wire harness is threaded through the wiring channel and electrically connected to the connection end; the wire harness is fixedly connected to the mounting base.

[0009] A base plate is located on the side of the bracket away from the connector. The fixing seat is fixedly connected to the base plate. Along the first direction, the base plate and a portion of the wire harness are spaced apart.

[0010] Optionally, the mounting base includes a first plate and a second plate fixedly connected to the first plate. The first plate is fixedly connected to the mounting base. The first plate extends along the first direction, and the second plate extends along the second direction. The first plate and the second plate are used to form the wiring channel, and the wire harness is fixedly connected to at least one of the first plate and the second plate.

[0011] Optionally, the wire harness is fixedly connected to the first plate by a connector; and / or, the wire harness is fixedly connected to the first plate by an adhesive layer.

[0012] Optionally, the fixing base further includes a transition section that connects the first plate and the second plate, wherein the wall surface of the transition section facing the wire harness is an arc surface.

[0013] Optionally, the fixing base further includes a latch, and the base plate is provided with a latch groove opposite to the latch along the first direction, and the latch engages with the groove wall of the latch groove.

[0014] Optionally, the battery pack also has a third direction, with the first direction, the second direction and the third direction being perpendicular to each other, and the number of the latches is two, with the two latches spaced apart along the third direction, and the first plate, the second plate and the two latches forming the wiring channel.

[0015] Optionally, the latch includes a limiting plate, an elastic arm, and a locking platform. The limiting plate is fixedly connected to the second plate. The two limiting plates, the first plate, and the second plate form the wiring channel. The elastic arm connects the limiting plate and the locking platform. The elastic arm passes through the latch groove along the first direction. The locking platform engages with the groove wall of the latch groove.

[0016] Optionally, the latch further includes an arc segment connecting the limiting plate and the elastic arm, wherein the elastic arm is parallel to the limiting plate and spaced apart along the third direction.

[0017] Optionally, the fixing base further includes a limiting platform. Along the first direction, the limiting platform is disposed on the side of the second plate opposite to the mounting base. The bottom plate is provided with a limiting hole. The limiting platform passes through the limiting hole along the first direction, and the limiting platform is limitedly connected to the hole wall of the limiting hole.

[0018] This utility model also provides an electrical device, including the battery pack described in any of the above technical solutions.

[0019] Compared with the prior art, the battery pack and electrical equipment of this utility model embodiment have the following advantages: the mounting base of the bracket can be fixedly connected to the connector, the mounting base can be fixedly connected to the base plate, the wiring channel on the mounting base is connected to the wire hole on the mounting base, the wiring channel provides space for the wiring harness to be arranged, since the end of the wiring channel away from the wire hole extends along the second direction, the wiring harness enters the wiring channel along the second direction, and occupies less space in the first direction. When assembling the connector, the operator can first pass the wiring harness through the wiring channel and connect it to the connector, so that the bracket, wiring harness and connector are pre-assembled into an integral structure, and then the pre-assembled integral structure is fixed to the base plate. No tooling or other equipment is required during pre-assembly, saving the operating space of the wiring harness. Since the wiring harness is fixedly connected to the mounting base, the mounting base has the function of fixing and organizing the wiring harness, avoiding the wiring harness shaking and friction damage when the integral structure is fixed to the base plate, which is beneficial to the safety of battery pack use. Attached Figure Description

[0020] Figure 1 This is an assembly diagram of the connector, bracket and base plate of the battery pack of this utility model;

[0021] Figure 2 yes Figure 1 A cross-sectional view of the battery pack;

[0022] Figure 3 yes Figure 1 A schematic diagram of the connector structure of the battery pack;

[0023] Figure 4 yes Figure 1 A schematic diagram of the battery pack support structure;

[0024] Figure 5 yes Figure 4 Front view of the bracket;

[0025] Figure 6 yes Figure 5 Left view of the bracket;

[0026] Figure 7 yes Figure 1 A partial structural diagram of the base plate of the battery pack.

[0027] In the diagram, 1 is the connector, 11 is the connection end, 2 is the bracket, 21 is the mounting base, 211 is the wire hole, 22 is the fixing base, 221 is the wiring channel, 222 is the first plate, 223 is the second plate, 224 is the transition section, 225 is the latch, 2251 is the limiting plate, 2252 is the elastic arm, 2253 is the clamping platform, 2254 is the arc segment, 226 is the limiting platform, 3 is the wire harness, 4 is the base plate, 41 is the buckle groove, 42 is the limiting hole, 5 is the cable tie, Z is the first direction, Y is the second direction, and X is the third direction. Detailed Implementation

[0028] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0029] In the description of this application, it should be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and 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 this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, and "at least one" can mean one, two, or more, unless otherwise explicitly specified. In the description of this application, "perpendicular" means completely perpendicular to 90° or almost completely perpendicular, for example, the range of included angles between 85° and 95° is considered perpendicular. Similarly, "parallel" means completely parallel or almost completely parallel, for example, the range of completely parallel angles between 10° is considered parallel.

[0030] A preferred embodiment of the battery pack of this utility model is as follows: Figures 1 to 7 As shown, the battery pack includes a connector 1, a bracket 2, a wiring harness 3, and a base plate 4. The connector 1 is used to electrically connect with the wiring harness 3 to transmit electrical signals and other data to the vehicle's main control system. The bracket 2 is used to mount the connector 1 on the base plate 4.

[0031] The battery pack has a first direction Z and a second direction Y that are perpendicular to each other. In this embodiment, the first direction Z is the height direction of the battery pack, and the second direction Y is the length direction of the battery pack. The first direction Z and the second direction Y are perpendicular to each other. The connector 1 includes a connecting end 11, which is located at the bottom of the connector 1 along the first direction Z and is electrically connected to the wire harness 3.

[0032] The bracket 2 includes a mounting base 21 and a fixing base 22 fixedly connected to the mounting base 21. The mounting base 21 is fixedly connected to the connector 1. In this embodiment, the mounting base 21 and the fixing base 22 are integrally formed. The mounting base 21 and the connector 1 are provided with four connecting holes that are opposite each other along the first direction Z and are distributed in a rectangular interval. The mounting base 21 and the connector 1 are fixedly connected by screws.

[0033] The mounting base 21 is provided with a wire passage hole 211, which extends through the mounting base 21 along the first direction Z. The wire passage hole 211 and the connecting end 11 are arranged opposite each other along the first direction Z. In this embodiment, after the mounting base 21 is connected and fixed to the connector 1, the connecting end 11 passes through the wire passage hole 211 along the first direction Z to facilitate electrical connection with the wire harness 3 in the wiring channel 221 of the fixing base 22.

[0034] The mounting base 22 is located on the side of the mounting base 21 facing away from the connector 1 along the first direction Z. The mounting base 22 has a wiring channel 221, which communicates with the wire through hole 211. The wiring channel 221 is used for the wire harness 3 to pass through. The end of the wiring channel 221 away from the wire through hole 211 extends along the second direction Y. Since the wire through hole 211 passes through the mounting base 21 along the first direction Z, the wiring channel 221 is generally L-shaped. That is, the fixing space provided by the mounting base 22 for the wire harness 3 is L-shaped. This changes the arrangement direction of the wire harness 3, reduces the space occupied by the wire harness 3 in the first direction Z, saves the assembly space of the wire harness 3, and avoids damage caused by contact and friction between the wire harness 3 and other structures.

[0035] The wire harness 3 is fixedly connected to the mounting base 22. After the wire harness 3 is fixed to the mounting base 22, the mounting base 22 has the function of binding and organizing the wire harness 3. When the connector 1 and the bracket 2 are fixed on the base plate 4, the swing of the wire harness 3 can be reduced, and the rotation of the wire harness 3 caused during the installation process can be effectively restricted.

[0036] The base plate 4 is located on the side of the bracket 2 facing away from the connector 1 along the first direction Z. That is, the connector 1, bracket 2, and base plate 4 are arranged sequentially along the first direction Z. The base plate 4 is used to support and fix the bracket 2, and the fixing seat 22 is fixedly connected to the base plate 4. Along the first direction Z, the base plate 4 and part of the wire harness 3 are spaced apart. The spacing has a protective function for the wire harness 3. When assembling the connector 1 and bracket 2, the wire harness 3 is mainly damaged by friction with the base plate 4 when it rotates. The spacing can reduce the friction damage between the wire harness 3 and the base plate 4.

[0037] The mounting base 21 of the battery pack bracket 2 can be fixedly connected to the connector 1, and the mounting base 22 can be fixedly connected to the base plate 4. The wiring channel 221 on the mounting base 22 communicates with the wire hole 211 on the mounting base 21. The wiring channel 221 provides space for the wiring harness 3. Since the end of the wiring channel 221 away from the wire hole 211 extends along the second direction Y, the wiring harness 3 enters the wiring channel 221 along the second direction Y and occupies little space in the first direction Z. When assembling the connector 1, the operator can first pass the wiring harness 3 through the wiring channel 221 and connect it to the connector 1, so that the bracket 2, wiring harness 3 and connector 1 are pre-assembled into an integral structure. Then, the pre-assembled integral structure is fixed to the base plate 4. No tooling or other equipment is needed during pre-assembly, saving the operating space of the wiring harness 3. Since the wiring harness 3 is fixedly connected to the mounting base 22, the mounting base 22 has the function of fixing and organizing the wiring harness 3, avoiding the wiring harness 3 from shaking and rubbing damage when the integral structure is fixed to the base plate 4, which is beneficial to the safety of the battery pack.

[0038] In some embodiments, the mounting base 22 includes a first plate 222 and a second plate 223 fixedly connected to the first plate 222. The first plate 222 is fixedly connected to the mounting base 21. The first plate 222 extends along a first direction Z, and the second plate 223 extends along a second direction Y. The first plate 222 and the second plate 223 are used to form a wiring channel 221. The wire harness 3 is fixedly connected to at least one of the first plate 222 and the second plate 223.

[0039] The first plate 222 extending in the first direction Z and the second plate 223 extending in the second direction Y are connected to form the first plate 222 and the second plate 223. The first plate 222 and the second plate 223 simplify the overall structure of the fixing base 22, and at the same time make the first plate 222 and the second plate 223 form an L-shaped structure. The first plate 222 and the second plate 223 together with the mounting base 21 form an L-shaped wiring channel 221. The first plate 222 or the second plate 223 is also convenient to be fixed with the wire harness 3.

[0040] In some embodiments, the wire harness 3 is fixedly connected to the first plate 222 by a connector; and / or, the wire harness 3 is fixedly connected to the first plate 222 by an adhesive layer.

[0041] A connector or adhesive layer can fix the wire harness 3 in place, preventing relative movement between the wire harness 3 and the first plate 222 and restricting the rotation of the wire harness 3. In this embodiment, the connector can specifically be a cable tie 5, etc.

[0042] In some embodiments, the mounting base 22 further includes a transition section 224, which connects the first plate 222 and the second plate 223, and the wall surface of the transition section 224 facing the wire harness 3 is an arc surface.

[0043] The first plate 222 and the second plate 223 are connected by a transition section 224. The arc surface of the transition section 224 can eliminate the sharp parts on the fixing seat 22 and protect the wire harness 3. In addition, when the wire harness 3 is passed through the wiring channel 221 and connected to the connection end 11 of the connector 1, the transition section 224 guides the wire harness 3 to bend from the first direction Z to the second direction Y.

[0044] In some embodiments, the fixing base 22 further includes a latch 225, and the base plate 4 is provided with a latch groove 41 that is opposite to the latch 225 along the first direction Z, and the latch 225 engages with the groove wall of the latch groove 41.

[0045] The mounting base 22 is engaged with the base plate 4 via the latch 225, making the connector 1 and the base plate 4 a detachable structure. When installing the connector 1 and the bracket 2, the connector 1, the wiring harness 3 and the bracket 2 can be assembled and fixed to form an integral structure first, and then the fixed integral structure can be assembled with the base plate 4, saving the internal space of the battery pack required when assembling the connector 1 and the wiring harness 3.

[0046] In addition, after the mounting base 22 is detachably connected to the base plate 4 via the latch 225, if the bracket 2 needs to be assembled with other structures, the latch 225 can be pulled out from the latch groove 41 on the base plate 4 to prevent the latch 225 of the bracket 2 from breaking.

[0047] In some embodiments, the battery pack further has a third direction X, the first direction Z, the second direction Y and the third direction X are perpendicular to each other, and two claws 225 are arranged at intervals along the third direction X. The first plate 222, the second plate 223 and the two claws 225 form a wiring channel 221.

[0048] Two latches 225 are spaced apart along the third direction X, allowing the fixing base 22 to be fixed to the base plate 4 at multiple points, increasing the stability of the bracket 2. In addition, the two latches 225, the first plate 222, and the second plate 223 form a wiring channel 221. The latches 225 have a limiting effect on the wire harness 3 along the third direction X, which can prevent the wire harness 3 from moving along the third direction X within the wiring channel 221, thus protecting the wire harness 3.

[0049] In some embodiments, the latch 225 includes a limiting plate 2251, an elastic arm 2252, and a locking platform 2253. The limiting plate 2251 is fixedly connected to the second plate 223. The limiting plate 2251, the first plate 222, and the second plate 223 form a wiring channel 221. The elastic arm 2252 connects the limiting plate 2251 and the locking platform 2253. The elastic arm 2252 passes through the latch groove 41 along the first direction Z. The locking platform 2253 engages with the groove wall of the latch groove 41.

[0050] The limiting plate 2251 is fixedly connected to the second plate 223. The two limiting plates 2251, together with the first plate 222 and the second plate 223, form a wiring channel 221. The limiting plates 2251 restrict the position of the wire harness 3 in the third direction X. The elastic arm 2252 is connected to the limiting plate 2251, and the locking platform 2253 is engaged with the base plate 4 through the locking groove 41. When the locking claw 225 is connected to the base plate 4, the elastic arm 2252 can elastically deform, allowing the locking platform 2253 to pass through the locking groove 41 in the first direction Z, facilitating the engagement of the locking claw 225 with the base plate 4. In this embodiment, the bottom surface of the locking platform 2253 is inclined, which has a guiding function. When the locking platform 2253 passes through the locking groove 41, it pushes the elastic arm 2252 to elastically deform in the third direction X.

[0051] In some embodiments, the latch 225 further includes an arc segment 2254, which connects the limiting plate 2251 and the elastic arm 2252. The elastic arm 2252 is parallel to the limiting plate 2251 and is spaced apart along the third direction X.

[0052] The arc segment 2254 causes the elastic arm 2252 to fold 180 degrees relative to the limiting plate 2251. The overall shape of the latch 225 is U-shaped. The limiting plate 2251 and the elastic arm 2252 are both along the first direction Z. The limiting plate 2251 has a better limiting constraint effect on the wire harness 3, and the extension direction of the elastic arm 2252 is the same as the assembly direction of the bracket 2, which makes it easy for the latch 2253 to engage with the groove wall of the latch 41 along the first direction Z.

[0053] In some embodiments, the fixed base 22 further includes a limiting platform 226. Along the first direction Z, the limiting platform 226 is disposed on the side of the second plate 223 away from the mounting base 21. The bottom plate 4 is provided with a limiting hole 42. The limiting platform 226 passes through the limiting hole 42 along the first direction Z. The limiting platform 226 is limited and connected to the hole wall of the limiting hole 42.

[0054] The fixing base 22 has a limiting platform 226 at the bottom of the second plate 223. After passing through the limiting hole 42 on the base plate 4, the limiting platform 226 can engage with the hole wall of the limiting hole 42 to prevent rotation, effectively preventing the bracket 2 from rotating and moving on the base plate 4, and providing installation space for the subsequent installation and fixing of components. In this embodiment, both the limiting platform 226 and the limiting hole 42 are square. In other embodiments, the limiting platform 226 and the limiting hole 42 can also be elliptical, rectangular, or other shapes with anti-rotation effects.

[0055] This utility model also provides a preferred embodiment of an electrical device, including a battery pack. The specific structure of the battery pack is the same as that of the battery pack described in any of the above embodiments, and will not be repeated here.

[0056] In summary, this utility model provides a battery pack and electrical device. The mounting base of the bracket can be fixedly connected to the connector, and the mounting base can be fixedly connected to the base plate. The wiring channel on the mounting base communicates with the wire passage hole on the mounting base. The wiring channel provides space for the wiring harness. Since the end of the wiring channel away from the wire passage hole extends in a second direction, the wiring harness enters the wiring channel in the second direction, occupying less space in the first direction. When assembling the connector, the operator can first pass the wiring harness through the wiring channel and connect it to the connector, so that the bracket, wiring harness and connector are pre-assembled into an integral structure. Then, the pre-assembled integral structure is fixed to the base plate. No tooling or other equipment is needed during pre-assembly, saving the operating space of the wiring harness. Since the wiring harness is fixedly connected to the mounting base, the mounting base has the function of fixing and organizing the wiring harness, avoiding the wiring harness shaking and friction damage when the integral structure is fixed to the base plate, which is beneficial to the safety of battery pack use.

[0057] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present utility model, and these improvements and substitutions should also be considered within the protection scope of the present utility model.

Claims

1. A battery pack, characterized in that, The battery pack has a first direction and a second direction that are perpendicular to each other. The battery pack includes: Connector, including connecting ends; The bracket, the mounting base, and the fixing base fixedly connected to the mounting base are provided. The connector is fixedly connected to the mounting base. The mounting base is provided with a wire passage hole, which is disposed opposite to the connecting end along a first direction and passes through the mounting base along the first direction. The fixing base is disposed on the side of the mounting base away from the connector. The fixing base has a wiring channel communicating with the wire passage hole, and the end of the wiring channel away from the wire passage hole extends along a second direction. A wire harness is threaded through the wiring channel and electrically connected to the connection end; the wire harness is fixedly connected to the mounting base. A base plate is located on the side of the bracket away from the connector. The fixing seat is fixedly connected to the base plate. Along the first direction, the base plate and a portion of the wire harness are spaced apart.

2. The battery pack according to claim 1, characterized in that, The mounting base includes a first plate and a second plate fixedly connected to the first plate. The first plate is fixedly connected to the mounting base. The first plate extends along the first direction, and the second plate extends along the second direction. The first plate and the second plate are used to form the wiring channel. The wire harness is fixedly connected to at least one of the first plate and the second plate.

3. The battery pack according to claim 2, characterized in that, The wire harness is fixedly connected to the first plate by a connector; and / or, the wire harness is fixedly connected to the first plate by an adhesive layer.

4. The battery pack according to claim 2, characterized in that, The mounting base also includes a transition section that connects the first plate and the second plate, and the wall of the transition section facing the wire harness is an arc surface.

5. The battery pack according to claim 2, characterized in that, The fixing base also includes a latch, and the base plate is provided with a latch groove that is opposite to the latch along the first direction, and the latch engages with the groove wall of the latch groove.

6. The battery pack according to claim 5, characterized in that, The battery pack also has a third direction, with the first direction, the second direction and the third direction being perpendicular to each other. The number of the latches is two, and the two latches are spaced apart along the third direction. The first plate, the second plate and the two latches form the wiring channel.

7. The battery pack according to claim 6, characterized in that, The latch includes a limiting plate, an elastic arm, and a locking platform. The limiting plate is fixedly connected to the second plate. The two limiting plates, the first plate, and the second plate form the wiring channel. The elastic arm connects the limiting plate and the locking platform. The elastic arm passes through the latch groove along the first direction. The locking platform engages with the groove wall of the latch groove.

8. The battery pack according to claim 7, characterized in that, The latch also includes an arc segment, which connects the limiting plate and the elastic arm. The elastic arm is parallel to the limiting plate and spaced apart along the third direction.

9. The battery pack according to claim 2, characterized in that, The fixed base also includes a limiting platform. Along the first direction, the limiting platform is disposed on the side of the second plate opposite to the assembly base. The bottom plate is provided with a limiting hole. The limiting platform passes through the limiting hole along the first direction. The limiting platform is limited and connected to the hole wall of the limiting hole.

10. An electrical appliance, characterized in that, Includes the battery pack as described in any one of claims 1-9.

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