CN220934298U - Quick-change bracket and electricity utilization device - Google Patents

Abstract

The utility model discloses a quick-change bracket and an electric device, wherein the quick-change bracket is used for installing a battery and is connected with the electric device, and the quick-change bracket comprises: the battery carriers are at least two and are sequentially layered; the connecting piece is connected between any two adjacent battery bearing pieces through the connecting piece, the connecting piece is provided with a fixing part, and the fixing part can be used for fixing the wire harness and/or the heat exchange tube at least. The connecting piece is provided with the fixing part, and the fixing part can be used for at least fixing the wire harness or the heat exchange tube, namely, the fixing part can be used for at least providing the fixing position of the wire harness or the heat exchange tube, and the wire harness and the heat exchange tube can be fixed on the connecting piece, so that the installation reliability of the wire harness and the heat exchange tube can be improved, the probability of loosening the wire harness and the heat exchange tube is reduced, and the reliability of an electric device is improved.

Description

Quick-change bracket and electricity utilization device

Technical Field

The application relates to the technical field of quick change of electric devices, in particular to a quick change bracket and an electric device.

Background

In recent years, new energy vehicles have been developed dramatically, and in the field of electric vehicles, a power battery plays an important role as a power source of the electric vehicle. The battery is composed of a box body and a plurality of battery monomers accommodated in the box body. In some electric vehicles, a plurality of power batteries are required to be configured, and in order to facilitate the installation or the disassembly of the batteries, the plurality of batteries are firstly installed on a quick-change bracket, and then the quick-change bracket is connected to the vehicle. But the wire harness and the cold pipe between the power battery and the vehicle are lack of binding when passing through the quick-change bracket, the reliability of the wire harness and the cold pipe is poor, and the reliability of the vehicle is further affected.

Disclosure of utility model

The embodiment of the application provides a quick-change bracket and an electric device, which can effectively improve the reliability of a wire harness and a heat exchange tube connected with a battery, thereby being beneficial to improving the reliability of the electric device.

In a first aspect, an embodiment of the present application provides a quick-change stand for mounting a battery and connecting with an electric device, the quick-change stand including: the battery carriers are at least two and are sequentially layered; the connecting piece is connected between any two adjacent battery bearing pieces through the connecting piece, the connecting piece is provided with a fixing part, and the fixing part can be used for fixing the wire harness and/or the heat exchange tube at least.

In the technical scheme, the quick-change bracket comprises the battery bearing parts and the connecting parts, at least two battery bearing parts can be used for installing at least two batteries, more batteries can be installed conveniently, and the power endurance of the electric device is increased. The connecting member can function to connect at least two battery carriers so as to integrate the battery carriers and the connecting member. Because the connecting piece is equipped with fixed part, fixed part can be used to fixed pencil or heat exchange tube at least, and promptly, fixed part can be used for providing pencil or heat exchange tube's fixed position at least, and pencil and heat exchange tube can be fixed on the connecting piece, can improve the installation reliability of pencil and heat exchange tube from this, reduce the probability that pencil and heat exchange tube take place to loosen, be favorable to improving the reliability of power consumption device.

In some embodiments of the application, the connector comprises: a first plate portion provided with a fixing portion and having a width direction; and the second plate part and the third plate part are connected at two ends of the first plate part in the width direction, and the second plate part and the third plate part are connected with adjacent battery bearing pieces.

In the technical scheme, the connecting piece can be understood to be constructed into the bent plate structure, so that the connecting piece has higher strength, the reliability of the quick-change bracket can be improved, meanwhile, the connecting piece has smaller thickness, the structure of the quick-change bracket is compact, the size of the quick-change bracket is reduced, the space occupied by the quick-change bracket on an electric device is reduced, larger space can be provided for arranging other parts of the electric device, materials of the quick-change bracket can be reduced, the whole weight of the quick-change bracket is reduced, and the cost is further reduced.

In some embodiments of the application, the second plate portion and the third plate portion are located on both sides in the thickness direction of the first plate portion.

In this technical solution, the connecting piece can be understood as being configured as a zigzag structure, and since the second plate portion and the third plate portion are located on opposite sides of the first plate portion, the supporting surface that can be provided by the connecting piece is the sum of the plate surface areas of the second plate portion and the third plate portion, and the whole connecting piece can provide a larger supporting surface, so that the bearing capacity and rigidity can be increased. The connecting piece is arranged to be of a Z-shaped structure, so that the connecting piece is favorable for dispersing and bearing load, and has high strength and stability.

In some embodiments of the application, the fixing portion is a fixing hole. In this technical scheme, through setting up the fixed part into the fixed orifices, the structure of fixed part is simpler, can simplify manufacturing process and processing degree of difficulty, and the fixed orifices can not increase unnecessary volume moreover, is favorable to making the structure of connecting piece compacter, saves space. The fixing holes can be used for fixing the wire harness and/or the heat exchange tube through matching with parts such as the ribbon, the fixing mode is simpler, and the assembly efficiency is improved.

In some embodiments of the application, the connector has a length direction, and the quick-change bracket further comprises a reinforcement member connected to the connector and provided with at least one along the length direction. In this technical scheme, can further improve the structural strength of connecting piece through setting up the reinforcement, and then improve the holistic intensity of quick change support, can improve the connection reliability of battery and power consumption device.

In some embodiments of the application, the fixation hole is located in the orthographic projection of the reinforcement member on the connecting member, the reinforcement member is provided with a relief hole, and the relief hole and the fixation hole are correspondingly arranged.

In the technical scheme, the fixing holes are formed in the connecting piece, so that the strength of the area around the fixing holes is weaker than that of other areas of the connecting piece, the strength weakened by the area where the fixing holes are formed can be compensated by arranging the reinforcing piece in the area where the fixing holes are formed, the strength of the area where the fixing holes are formed of the connecting piece is improved, the probability of the area where the strength is weakened is reduced, and the integral structure of the connecting piece is stable and reliable.

In some embodiments of the application, the stiffener comprises: the first reinforcing part is connected with the first plate part and is provided with an avoidance hole; the second reinforcing part and the third reinforcing part are connected to two ends of the first reinforcing part in the width direction, the second reinforcing part is connected with the second plate part, and the third reinforcing part is connected with the third plate part.

In the above technical scheme, through setting the reinforcement to the same structure with the connecting piece, have bigger contact surface between reinforcement and the connecting piece, on the one hand can improve the structural strength of first board portion, second board portion and third board portion, improve the holistic intensity of connecting piece. On the other hand, under the constraint of first reinforcing part and second reinforcing part, also can improve the intensity of junction between first plate portion and the second plate portion, reduce the probability that the second plate portion warp the buckling with respect to first plate portion to and under the constraint of first reinforcing part and third reinforcing part, improve the intensity of junction between first plate portion and the third plate portion, reduce the probability that the third plate portion warp the buckling with respect to first plate portion, and then improve the stability of connecting piece.

In some embodiments of the application, the second reinforcement and/or the third reinforcement is connected to an adjacent battery carrier.

In the above technical scheme, the second reinforcing part and/or the third reinforcing part not only can play a role in enhancing the strength of the connecting piece, but also can be connected with the adjacent battery bearing piece through the second reinforcing part and/or the third reinforcing part, the second reinforcing part and/or the third reinforcing part can increase the wall thickness of the connecting position between the connecting piece and the battery bearing piece, the strength of the connecting position of the connecting piece and the battery bearing piece is improved, and the connection reliability and stability of the connecting piece and the battery bearing piece are further improved.

In some embodiments of the application, the second plate portion is provided with a first bolt hole, and the second reinforcing portion is provided with a first through hole, the first through hole corresponding to the first bolt hole; and/or the third plate part is provided with a second bolt hole, the third reinforcing part is provided with a second through hole, and the second through hole corresponds to the second bolt hole.

In the technical scheme, the second plate part, the second reinforcing part and the battery bearing part are connected in a bolt connection mode, and/or the third plate part, the third reinforcing part and the battery bearing part are connected in a bolt connection mode, the bolt connection mode is simple, the bolt holes and the through holes are easy to process, the processing difficulty and the processing cost can be reduced, in addition, the bolt connection is convenient to install or detach, and the connection is reliable.

In some embodiments of the application, the second plate portion is provided with a first bolt hole, and the first plate portion is provided with a first notch adjacent to the first bolt hole; and/or the third plate part is provided with a second bolt hole, and the first plate part is provided with a second notch close to the second bolt hole.

In the technical scheme, the first notch can play a role in avoiding when the bolt is installed, so that the width dimension of the second plate part is reduced while the bolt connection is realized, and the dimension of the connecting piece is reduced. Or the second notch can play a role in avoiding when the bolt is installed, so that the width dimension of the third plate part is reduced while the bolt connection is realized, and the dimension of the connecting piece is reduced.

In some embodiments of the application, the battery carrier includes a first beam and a second beam connected, the first beam extending in a first direction, the second Liang Tiyan extending in a second direction, the first direction and the second direction being perpendicular to each other, the first beam or the second beam connecting the connector. In this technical scheme, the battery carrier wholly is frame construction by first roof beam body and second roof beam body, and frame construction not only has higher structural strength and stability, is favorable to improving the installation reliability of battery.

In a second aspect, an embodiment of the present application further provides an electrical device, including a quick-change stand as described above.

In the technical scheme, the quick-change bracket has higher structural strength, improves the connection reliability of the battery and the electric device, can also provide the installation positions of other components such as the wire harness and/or the heat exchange tube, and can improve the installation reliability of the wire harness and/or the heat exchange tube on the electric device, thereby improving the overall reliability of the electric device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of a vehicle according to some embodiments of the present application;

fig. 2 is an exploded view of a battery according to some embodiments of the present application;

fig. 3 is a schematic structural diagram of a quick-change bracket according to some embodiments of the present application;

FIG. 4 is a side view of a connector provided in some embodiments of the application;

FIG. 5 is a schematic view of a connector according to some embodiments of the present application;

fig. 6 is a partially enlarged schematic illustration at I of fig. 5.

Icon: 1000. a vehicle; 100. a battery; 10. a case; 11. a first tank body; 12. a second tank body; 20. a battery cell; 200. a controller; 300. a motor; 400. a bracket is quickly replaced; 41. a battery carrier; 41a, mounting holes; 411. a first beam body; 412. a second beam body; 42. a connecting piece; 42a, a fixing part; 421. a first plate portion; 421a, a second notch; 422. a second plate portion; 423. a third plate portion; 423a, a second bolt hole; 43. a reinforcing member; 43a, avoidance holes; 431. a first reinforcing part; 432. a second reinforcing part; 432a, a first through hole; 433. a third reinforcing part; 44. a side connector; 51. a first bolt; x, a first direction; y, second direction; z, third direction.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.

Reference in the specification to "an embodiment" means 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 appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

The term "and/or" in the present application is merely an association relation describing the association object, and indicates that three kinds of relations may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In the present application, the character "/" generally indicates that the front and rear related objects are an or relationship.

In the embodiments of the present application, the same reference numerals denote the same components, and detailed descriptions of the same components are omitted in different embodiments for the sake of brevity. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the application shown in the drawings, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are merely illustrative and should not be construed as limiting the application in any way.

The term "plurality" as used herein refers to two or more (including two).

In the present application, the battery cell may include a lithium ion secondary battery, a lithium ion primary battery, a lithium sulfur battery, a sodium lithium ion battery, a sodium ion battery, a magnesium ion battery, or the like, which is not limited in the embodiment of the present application. The battery cell may be in a cylindrical shape, a flat shape, a rectangular parallelepiped shape, or other shapes, which is not limited in this embodiment of the application. The battery cells are generally classified into three types according to the packaging method: the cylindrical battery cell, the square battery cell and the soft package battery cell are not limited in this embodiment.

Reference to a battery in accordance with an embodiment of the present application refers to a single physical module that includes one or more battery cells to provide higher voltage and capacity. For example, the battery referred to in the present application may include a battery module, a battery pack, or the like. The battery generally includes a case for housing one or more battery cells or a plurality of battery modules. The case body can prevent liquid or other foreign matters from affecting the charge or discharge of the battery cells.

The battery cell includes a case, an electrode assembly, and an electrolyte, and the case is used to accommodate the electrode assembly and the electrolyte. The electrode assembly consists of a positive electrode plate, a negative electrode plate and a separation film. The battery cell mainly relies on metal ions to move between the positive pole piece and the negative pole piece to work. The positive electrode plate comprises a positive electrode current collector and a positive electrode active material layer, wherein the positive electrode active material layer is coated on the surface of the positive electrode current collector, the positive electrode current collector without the positive electrode active material layer protrudes out of the positive electrode current collector coated with the positive electrode active material layer, and the positive electrode current collector without the positive electrode active material layer is used as a positive electrode lug. Taking a lithium ion battery as an example, the material of the positive electrode current collector may be aluminum, and the positive electrode active material may be lithium cobaltate, lithium iron phosphate, ternary lithium, lithium manganate or the like. The negative electrode plate comprises a negative electrode current collector and a negative electrode active material layer, wherein the negative electrode active material layer is coated on the surface of the negative electrode current collector, the negative electrode current collector without the negative electrode active material layer protrudes out of the negative electrode current collector coated with the negative electrode active material layer, and the negative electrode current collector without the negative electrode active material layer is used as a negative electrode tab. The material of the negative electrode current collector may be copper, and the negative electrode active material may be carbon, silicon, or the like. In order to ensure that the high current is passed without fusing, the number of positive electrode lugs is multiple and stacked together, and the number of negative electrode lugs is multiple and stacked together.

The material of the separator may be PP (polypropylene) or PE (polyethylene). In addition, the electrode assembly may be a roll-to-roll structure or a lamination structure, and embodiments of the present application are not limited thereto.

In recent years, new energy vehicles have been developed dramatically, and in the field of electric vehicles, a power battery plays an important role as a power source of the electric vehicle. The battery is composed of a box body and a plurality of battery monomers accommodated in the box body. In some electric vehicles, a plurality of power batteries are required to be configured, and in order to facilitate the installation or the disassembly of the batteries, the plurality of batteries are firstly installed on a quick-change bracket, and then the quick-change bracket is connected to the vehicle.

The inventor found that in an electric vehicle, a power battery needs to be connected to the vehicle through a wire harness to supply power to the vehicle and the vehicle controls and manages the power battery, and secondly, the power battery also needs to be connected to a coolant of the vehicle through a cold pipe to perform temperature control on the power battery. From this, pencil and cold pipe between power battery and the vehicle are comparatively more, because the inner space of quick change support is compact, can't provide independent support and be used for fixed pencil and cold pipe, lead to pencil and cold pipe to lack the constraint in the outside of quick change support, lead to pencil and cold pipe's reliability relatively poor, when pencil and cold pipe take place to loosen, will seriously influence the reliability of vehicle.

Based on the above-mentioned consideration, in order to solve the problem that the harness and the cold pipe lack binding through the quick-change bracket, which affects the installation reliability of the harness and the cold pipe, the inventor designs a quick-change bracket which is used for installing batteries and is connected with an electric device, the quick-change bracket comprises at least two battery bearing pieces and connecting pieces, and the battery bearing pieces are sequentially layered; the two adjacent battery bearing parts are connected through a connecting part, and the connecting part is provided with a fixing part which can be used for fixing the wire harness and/or the heat exchange tube.

In the quick-change bracket of such a structure, by providing the quick-change bracket to include the battery carriers and the connecting members, at least two battery carriers can be used for mounting at least two batteries, and the connecting members can function to connect at least two battery carriers, thereby integrating the battery carriers and the connecting members. Because the connecting piece is provided with the fixed part, the fixed part can be used for fixing the wire harness and/or the heat exchange tube at least, namely, the fixed part can be used for providing the fixed position of the wire harness and/or the heat exchange tube at least, the wire harness and the heat exchange tube can be fixed on the connecting piece, the installation reliability of the wire harness and the heat exchange tube can be improved, the probability of loose release of the wire harness and the heat exchange tube is reduced, and the reliability of the power utilization device is improved.

The quick-change bracket disclosed by the embodiment of the application can be used in electric devices such as vehicles, ships or aircrafts, but is not limited to the electric devices. The power supply system with the quick-change bracket disclosed by the application can be used for forming the power supply system of the power utilization device, so that the application range of the quick-change bracket is favorably improved.

The embodiment of the application provides an electric device using a battery as a power supply, wherein the electric device can be, but is not limited to, a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, a battery car, an electric vehicle, a ship, a spacecraft and the like. Among them, the electric toy may include fixed or mobile electric toys, such as game machines, electric vehicle toys, electric ship toys, and electric plane toys, etc., and the spacecraft may include planes, rockets, space planes, and spacecraft, etc.

For convenience of description, the following embodiment will take an electric device according to an embodiment of the present application as an example of the vehicle 1000.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle 1000 according to some embodiments of the application. The vehicle 1000 may be a fuel-oil vehicle, a gas-oil vehicle, or a new energy vehicle, which may be a pure electric vehicle, a hybrid vehicle, or an extended range vehicle, etc. The vehicle 1000 is provided with a quick-change bracket 400, the quick-change bracket 400 is provided with a battery 100, and the quick-change bracket 400 and the battery 100 may be provided at the bottom or the head or the tail of the vehicle 1000. The battery 100 may be used for power supply of the vehicle 1000, for example, the battery 100 may be used as an operating power source of the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300, the controller 200 being configured to control the battery 100 to power the motor 300, for example, for operating power requirements during start-up, navigation, and travel of the vehicle 1000.

In some embodiments of the present application, battery 100 may not only serve as an operating power source for vehicle 1000, but may also serve as a driving power source for vehicle 1000, instead of or in part instead of fuel oil or natural gas, to provide driving power for vehicle 1000.

Referring to fig. 2, fig. 2 is an exploded view of a battery 100 according to some embodiments of the present application. The battery 100 includes a case 10 and a plurality of battery cells 20, and the battery cells 20 are accommodated in the case 10. The case 10 is used to provide an assembly space for the battery cells 20, and the case 10 may have various structures. In some embodiments, the case 10 may include a first case body 11 and a second case body 12, the first case body 11 and the second case body 12 being covered with each other, the first case body 11 and the second case body 12 together defining an assembly space for accommodating the battery cell 20. The second box body 12 may have a hollow structure with one end opened, the first box body 11 may have a plate-shaped structure, and the first box body 11 covers the open side of the second box body 12, so that the first box body 11 and the second box body 12 define an assembly space together; the first tank body 11 and the second tank body 12 may each have a hollow structure with one side opened, and the open side of the first tank body 11 may be closed to the open side of the second tank body 12. Of course, the case 10 formed by the first case body 11 and the second case body 12 may be various shapes, such as a cylinder, a rectangular parallelepiped, and the like.

In the battery 100, the plurality of battery cells 20 may be connected in series or parallel or a series-parallel connection, wherein a series-parallel connection refers to that the plurality of battery cells 20 are connected in series or parallel. The plurality of battery cells 20 can be directly connected in series or in parallel or in series-parallel, and then the whole formed by the plurality of battery cells 20 is accommodated in the box 10; of course, the battery 100 may also be a battery module formed by connecting a plurality of battery cells 20 in series or parallel or series-parallel connection, and a plurality of battery modules are then connected in series or parallel or series-parallel connection to form a whole and are accommodated in the case 10. The battery 100 may further include other structures, for example, the battery 100 may further include a bus member for making electrical connection between the plurality of battery cells 20.

Referring to fig. 2, fig. 2 is a schematic diagram illustrating a partial structure of a battery 100 according to some embodiments of the application. The battery 100 includes a plurality of rows of battery cells 20, the plurality of rows of battery cells 20 being arranged along a length direction of the case 10, each row of battery cells 20 including a plurality of battery cells 20 arranged along a width direction of the case 10; or a plurality of rows of battery cells 20 are arranged in the width direction of the case 10, and each row of battery cells 20 includes a plurality of battery cells 20 arranged in the length direction of the case 10.

Wherein each battery cell 20 may be a secondary battery or a primary battery; but not limited to, lithium sulfur batteries, sodium ion batteries, or magnesium ion batteries. The battery cell 20 may be in the shape of a cylinder, a flat body, a rectangular parallelepiped, or other shapes, etc. Illustratively, in fig. 2, the battery cell 20 is rectangular in shape.

According to some embodiments of the present application, referring to fig. 3 and 4, an embodiment of the present application provides a quick-change bracket 400, where the quick-change bracket 400 is used for installing a battery 100 and connecting an electric device, and the quick-change bracket 400 includes at least two battery carriers 41 and connecting members 42, and the battery carriers 41 are sequentially layered; any two adjacent battery carriers 41 are connected through a connecting piece 42, the connecting piece 42 is provided with a fixing part 42a, and the fixing part 42a can be used for fixing a wire harness and/or a heat exchange tube at least.

Quick-change bracket 400 may refer to a bracket system for an electric vehicle or other powered device, through which quick-change bracket 400 may be used to facilitate quick-change of battery 100 of the electric vehicle or other powered device. Particularly, for an electric device requiring a large endurance, a plurality of batteries 100 are often required, and the plurality of batteries 100 can be pre-installed through the quick-change bracket 400, so that the plurality of batteries 100 can be conveniently installed on an electric vehicle or other electric equipment.

The battery carrier 41 may refer to a member that can provide a mounting location for the battery 100. For example, the battery carrier 41 may be, but is not limited to, a battery mounting plate and a battery mounting frame, and the like. Wherein, the battery carriers 41 may be, but not limited to, two, three, four, etc., each of the battery carriers 41 forms a layer structure, and a plurality of the battery carriers 41 may form a multi-layer structure, and each of the battery carriers 41 may mount one or more batteries 100. A plurality of batteries 100 may be mounted through at least two battery carriers 41. Illustratively, referring to fig. 3, there are two battery carriers 41 arranged at intervals along the third direction Z, each battery carrier 41 being usable for mounting a battery 100.

The connection member 42 may refer to a member for connecting the adjacent two battery carriers 41, for example, the connection member 42 may be, but not limited to, a connection rod, a connection plate, etc., and the connection rod may be, but not limited to, a cylindrical rod, a square rod, etc.

The fixing portion 42a may refer to a structure of the connecting member 42 that can perform a fixing function, and the fixing portion 42a may be, but is not limited to, a hole structure, a slot structure, a seat structure, etc.

The fixing portion 42a may be used to fix at least the wire harness and/or the heat exchange tube, i.e., the fixing portion 42a may be used to fix the wire harness, or the fixing portion 42a may be used to fix the heat exchange tube, or the fixing portion 42a may be used to fix both the wire harness and the heat exchange tube. The wire harness may refer to a wire harness for electrically or communicatively connecting the electric device and the battery 100. The heat exchange pipe may refer to a coolant delivery line for passing the coolant to the cooling member interface of the battery 100, including, but not limited to, a cold pipe, and the like. In addition, the fixing portion 42a may also be used to fix other components that need to be fixed, not limited to the wire harness and the heat exchange tube.

In the quick-change bracket 400 of the present application, one or more fixing portions 42a may be provided, and the fixing effect on the wire harness or the heat exchange tube can be enhanced by providing a plurality of fixing portions 42a, thereby improving the stability of the wire harness and/or the heat exchange tube on the quick-change bracket 400.

In the above technical solution, by arranging the quick-change bracket 400 to include the battery carriers 41 and the connecting pieces 42, at least two battery carriers 41 can be used to mount at least two batteries 100, which is beneficial to mounting more batteries 100 and increasing the power endurance of the electric device. The connection member 42 can function to connect at least two battery carriers 41 so as to integrate the battery carriers 41 and the connection member 42. Because the connecting piece 42 is provided with the fixing part 42a, the fixing part 42a can be used for at least fixing the wire harness or the heat exchange tube, namely, the fixing part 42a can be used for at least providing a fixing position of the wire harness or the heat exchange tube, and the wire harness and the heat exchange tube can be fixed on the connecting piece 42, so that the installation reliability of the wire harness and the heat exchange tube can be improved, the probability of loosening the wire harness and the heat exchange tube is reduced, and the reliability of an electric device is improved.

In some embodiments of the present application, referring to fig. 4 and 5, the connection member 42 includes a first plate portion 421, a second plate portion 422, and a third plate portion 423, the first plate portion 421 being provided with a fixing portion 42a and having a width direction; the second plate portion 422 and the third plate portion 423 are connected to both ends of the first plate portion 421 in the width direction, and the second plate portion 422 and the third plate portion 423 are connected to the adjacent battery carrier 41.

Referring to fig. 5, the width direction of the first plate portion 421 may refer to a third direction Z, the first plate portion 421 may further have a thickness direction (i.e., a first direction X) and a length direction (i.e., a second direction Y), the width directions of the second and third plate portions 422 and 423 may remain the same as the first direction X, and the length directions of the second and third plate portions 422 and 423 may remain the same as the second direction Y. Thus, the first plate portion 421, the second plate portion 422, and the third plate portion 423 constitute a bent plate structure.

In the connection member 42 of the above-described structure, the second plate portion 422 and the third plate portion 423 may be located on the same side as the first plate portion 421, in which case the connection member 42 is integrally constructed in a U-shaped structure; the second plate portion 422 and the third plate portion 423 may also be located on different sides of the first plate portion 421, in which case the connecting member 42 is integrally constructed in a zigzag structure (see fig. 5). Since the connecting member 42 is located between two adjacent battery carriers 41, the second plate portion 422 and the third plate portion 423 are respectively connected with the adjacent battery carriers 41, the plate surface of the second plate portion 422 can be supported on and connected with the adjacent battery carriers 41, and the plate surface of the third plate portion 423 can be supported on and connected with the adjacent battery carriers 41, therefore, a larger supporting surface is provided between the connecting member 42 and the battery carriers 41, and after the connecting member 42 is connected with the battery carriers 41, the structure formed by the connecting member 42 and the battery carriers 41 is more stable, the overall strength is higher, and the reliability is better.

Wherein, the first plate 421, the second plate 422 and the third plate 423 may be integrally formed, and have better consistency, simpler manufacturing and better structural strength.

In the above technical solution, the connecting piece 42 can be understood as being configured into a bent plate structure, so that the connecting piece 42 has higher strength, and can improve the reliability of the quick-change bracket 400, meanwhile, the connecting piece 42 has smaller thickness, so that the structure of the quick-change bracket 400 is compact, the size of the quick-change bracket 400 is reduced, the space occupied by the quick-change bracket 400 on an electric device is reduced, larger space can be provided for arranging other components of the electric device, the materials of the quick-change bracket 400 can be reduced, the whole weight of the quick-change bracket 400 is reduced, and the cost is further reduced.

In some embodiments of the present application, referring to fig. 4 and 5, the second plate portion 422 and the third plate portion 423 are located at opposite sides of the first plate portion 421. In this embodiment, the connecting member 42 may be understood as being configured in a zigzag structure, and since the second plate portion 422 and the third plate portion 423 are located on opposite sides of the first plate portion 421, the supporting surface provided by the connecting member 42 is the sum of the plate surface areas of the second plate portion 422 and the third plate portion 423, and the connecting member 42 as a whole can provide a larger supporting surface, thereby increasing the bearing capacity and rigidity. By providing the connector 42 in a zig-zag configuration, it is advantageous to distribute and bear loads, resulting in a higher strength and stability of the connector 42.

In some embodiments of the present application, referring to fig. 4, the fixing portion 42a is a fixing hole.

The fixing holes may be provided in plurality along the third direction Z, and the plurality of fixing holes may be used to fix the wire harness or the heat exchange tube, or one portion of the plurality of fixing holes is used to fix the wire harness and the other portion is used to fix the heat exchange tube.

The fixing holes may also be provided in plural groups along the second direction Y, and the fixing holes of each group are provided in plural along the third direction Z. The multiple groups of fixing holes can be fixed at multiple positions of the wire harness and/or the heat exchange tube, so that the fixing effect is enhanced.

In this technical scheme, through setting up fixed part 42a as the fixed orifices, the structure of fixed part 42a is simpler, can simplify manufacturing process and processing degree of difficulty, and the fixed orifices can not increase unnecessary volume moreover, is favorable to making the structure of connecting piece 42 compacter, saves space. The fixing holes can be used for fixing the wire harness and/or the heat exchange tube through matching with parts such as the ribbon, the fixing mode is simpler, and the assembly efficiency is improved.

In some embodiments of the present application, referring to fig. 3 to 6, the connection member 42 has a length direction, and the quick-change bracket 400 further includes a reinforcement member 43, the reinforcement member 43 being connected to the connection member 42 and at least one being provided in the length direction.

Referring to the foregoing, the length direction of the connection member 42 may refer to the second direction Y. The stiffener 43 may refer to a component for reinforcing or strengthening the structure of an object, typically made of metal or other material. The shape of the stiffener may be, but is not limited to, plate-shaped, cylindrical, and the like. The reinforcement member 43 may be provided with, but not limited to, one, two, three, four, etc. along the length direction of the connection member 42. Referring to fig. 5, illustratively, the reinforcing member 43 is provided with six in the third direction Z of the connecting member 42.

In the above technical solution, the structural strength of the connecting member 42 can be further improved by providing the reinforcing member 43, so that the overall strength of the quick-change bracket 400 can be improved, and the connection reliability between the battery 100 and the electric device can be improved.

In some embodiments of the present application, referring to fig. 5, the fixing hole is located in the front projection of the reinforcing member 43 in the connecting member 42, the reinforcing member 43 is provided with the escape hole 43a, and the escape hole 43a and the fixing hole are disposed correspondingly.

The fixing hole is located in the orthographic projection of the reinforcing member 43 on the connecting member 42, that is, it can be understood that the reinforcing member 43 is disposed in the region where the fixing hole of the connecting member 42 is located, thereby reinforcing the structural strength of the region where the fixing hole is located. The avoidance hole 43a can play a role of avoiding the fixing hole, and parts such as a binding belt or a bolt matched with the fixing hole can pass through the avoidance hole 43a to be matched with the fixing hole to fix the wire harness or the heat exchange tube.

In the above technical solution, since the fixing hole is formed in the connecting piece 42, the strength of the area around the fixing hole is weaker than that of other areas of the connecting piece 42, and by arranging the reinforcing piece 43 within the area where the fixing hole of the connecting piece 42 is located, the weakened strength of the area where the fixing hole is located can be compensated, the strength of the area where the fixing hole of the connecting piece 42 is located is improved, the probability of the weak strength area of the connecting piece 42 is reduced, and the overall structure of the connecting piece 42 is more stable and reliable.

In some embodiments of the present application, referring to fig. 4 and 6, the reinforcement 43 includes a first reinforcement part 431, a second reinforcement part 432, and a third reinforcement part 433, the first reinforcement part 431 being connected to the first plate part 421 and provided with a relief hole 43a; the second reinforcement portion 432 and the third reinforcement portion 433 are connected to both ends of the first reinforcement portion 431 in the width direction, the second reinforcement portion 432 is connected to the second plate portion 422, and the third reinforcement portion 433 is connected to the third plate portion 423.

The "width direction" described above refers to the width direction of the first plate 421, i.e., the third direction Z of fig. 5. By providing the reinforcing member 43 to include the first reinforcing portion 431, the second reinforcing portion 432, and the third reinforcing portion 433, the reinforcing member 43 is matched with the shape of the connecting member 42, that is, the reinforcing member 43 is also in a zigzag structure, whereby the first reinforcing portion 431 can increase the strength of the first plate portion 421, the second reinforcing portion 432 can increase the strength of the second plate portion 422, and the third reinforcing portion 433 can increase the strength of the third plate portion 423, whereby the reinforcing member 43 has a better strength reinforcing effect on the connecting member 42.

In the above-described embodiments, the reinforcing member 43 is provided in the same structure as the connecting member 42, so that a relatively large contact surface is provided between the reinforcing member 43 and the connecting member 42, thereby improving the structural strength of the first plate 421, the second plate 422, and the third plate 423 and the strength of the connecting member 42 as a whole. On the other hand, under the constraint of the first reinforcing portion 431 and the second reinforcing portion 432, the strength of the joint between the first plate portion 421 and the second plate portion 422 can be improved, the probability of deformation and bending of the second plate portion 422 relative to the first plate portion 421 can be reduced, and under the constraint of the first reinforcing portion 431 and the third reinforcing portion 433, the strength of the joint between the first plate portion 421 and the third plate portion 423 can be improved, the probability of deformation and bending of the third plate portion 423 relative to the first plate portion 421 can be reduced, and the stability of the connecting member 42 can be further improved.

In some embodiments of the present application, the second reinforcement 432 and/or the third reinforcement 433 are connected to adjacent battery carriers 41. That is, the second reinforcement 432 may be connected to the adjacent battery carrier 41; or the third reinforcement 433 is connected to the adjacent battery carrier 41; or the second reinforcement 432 and the third reinforcement 433 are connected to the adjacent battery carrier 41.

In the above technical solution, the second reinforcement portion 432 and/or the third reinforcement portion 433 not only can play a role in enhancing the strength of the connecting member 42, but also can be connected with the adjacent battery carrier 41 through the second reinforcement portion 432 and/or the third reinforcement portion 433, and the second reinforcement portion 432 and/or the third reinforcement portion 433 can increase the wall thickness of the connecting position between the connecting member 42 and the battery carrier 41, thereby enhancing the strength of the connecting position between the connecting member 42 and the battery carrier 41, and further enhancing the connection reliability and stability of the connecting member 42 and the battery carrier 41.

In some embodiments of the present application, referring to fig. 6, the second plate portion 422 is provided with a first bolt hole, and the second reinforcement portion 432 is provided with a first through hole 432a, the first through hole 432a corresponding to the first bolt hole; and/or, the third plate portion 423 is provided with a second bolt hole 423a, and the third reinforcement portion 433 is provided with a second through hole corresponding to the second bolt hole 423a.

That is, the second plate portion 422 is provided with the first bolt hole, the second reinforcement portion 432 is provided with the first through hole 432a, the first through hole 432a corresponds to the first bolt hole, that is, the second plate portion 422 and the second reinforcement portion 432 can be fixed on the corresponding battery carrier 41 by penetrating the first bolt 51 through the first bolt hole and the first through hole 432a (see fig. 6), thereby the thickness of the junction of the second plate portion 422, the second reinforcement portion 432 and the battery carrier 41 is relatively large, the connection strength is relatively high, and by adopting the bolt connection mode, the structure is relatively simple, and the connection is reliable and stable.

Or third board portion 423 is equipped with second bolt hole 423a, and third reinforcing portion 433 is equipped with the second through-hole, and the second through-hole corresponds second bolt hole 423a, namely can wear to locate second bolt hole 423a and second through-hole through the second bolt, fixes third board portion 423 and third reinforcing portion 433 on corresponding battery carrier 41, and from this, the thickness ratio of third board portion 423, third reinforcing portion 433 and battery carrier 41 junction is great, and joint strength is higher, adopts this bolted connection mode, and the structure is simpler, connects reliably and stable.

Or the second plate portion 422 is provided with a first bolt hole, the second reinforcement portion 432 is provided with a first through hole 432a, the first through hole 432a corresponds to the first bolt hole, the third plate portion 423 is provided with a second bolt hole 423a, and the third reinforcement portion 433 is provided with a second through hole, the second through hole corresponds to the second bolt hole 423a.

In the above technical solution, the second plate 422, the second reinforcing part 432 and the battery carrier 41 are connected by bolting, and/or the third plate 423, the third reinforcing part 433 and the battery carrier 41 are connected by bolting, which is simple, and the bolt holes and the through holes are easy to be processed, so that the processing difficulty and cost can be reduced, and the bolting is convenient to install or detach, and the connection is reliable.

In some embodiments of the present application, the second plate portion 422 is provided with a first bolt hole, and the first plate portion 421 is provided with a first notch adjacent to the first bolt hole; and/or, the third plate portion 423 is provided with a second bolt hole 423a, and the first plate portion 421 is provided with a second notch 421a near the second bolt hole 423 a.

It will be appreciated that the second plate portion 422 is provided with a first bolt hole and the first plate portion 421 is provided with a first notch adjacent to the first bolt hole. The first notch may be defined at the connection between the second plate 422 and the first plate 421, because the first bolt has a bolt head, and the size of the first bolt is relatively large, the first notch can provide a position for avoiding the bolt head, which is beneficial to reducing the size of the second plate 422 in the width direction (i.e. the first direction X), thereby reducing materials, and making the structure of the connecting member 42 more compact, so as to reduce the volume.

Alternatively, referring to fig. 6, the third plate portion 423 is provided with a second bolt hole 423a, and the first plate portion 421 is provided with a second notch 421a adjacent to the second bolt hole 423 a. The second notch 421a may be a portion formed at the connection between the third plate portion 423 and the first plate portion 421, and since the second bolt has a bolt head, the second notch 421a can provide a position for avoiding the bolt head, which is beneficial to reducing the size of the third plate portion 423 in the width direction (i.e. the first direction X), thereby reducing the material consumption, and making the structure of the connecting member 42 more compact, thereby reducing the volume.

Or the second plate portion 422 is provided with a first bolt hole, the first plate portion 421 is provided with a first notch adjacent to the first bolt hole, the third plate portion 423 is provided with a second bolt hole 423a, and the first plate portion 421 is provided with a second notch 421a adjacent to the second bolt hole 423 a.

In the above technical solution, the first notch can play a role in avoiding when installing the bolt, so that the width dimension of the second plate 422 is reduced while the bolt connection is realized, and the dimension of the connecting piece 42 is reduced. Or the second notch 421a can play a role in avoiding when installing the bolt, thereby being beneficial to reducing the width dimension of the third plate portion 423 and reducing the dimension of the connecting piece 42 while realizing the bolt connection.

In some embodiments of the present application, referring to fig. 3, the battery carrier 41 includes a first beam 411 and a second beam 412 connected, the first beam 411 extending in a first direction X, the second beam 412 extending in a second direction Y, the first direction X and the second direction Y being perpendicular to each other, the first beam 411 or the second beam 412 being connected to the connection member 42.

The shape of the first beam 411 and the second beam 412 may be, but not limited to, circular, square, etc.

The first beam 411 may be plural and disposed at intervals along the second direction Y, and the second beam 412 may be plural and disposed at intervals along the first direction X. Wherein the plurality of first beams 411 may be connected to the connection member 42, or the plurality of second beams 412 may be connected to the connection member 42. The plurality of first beam bodies 411 and the plurality of second beam bodies 412 can constitute a rectangular frame structure having high structural strength, and the mounting reliability of the battery 100 can be improved.

In the above technical solution, the first beam 411 and the second beam 412 make the battery carrier 41 integrally have a frame structure, which not only has higher structural strength and stability, but also is beneficial to improving the installation reliability of the battery 100.

In some embodiments of the application, at least one of the at least two battery carriers 41 is connected to an electrical device. That is, one of the at least two battery carriers 41 may be connected to the electric device, or may be partially connected to the electric device, or may be connected to the electric device entirely.

Referring to fig. 3, exemplary battery carriers 41 may be disposed at intervals in the third direction Z, and the battery carrier 41 located at the lowermost side is connected to an electric device. Specifically, the lowermost battery carrier 41 is provided with mounting holes 41a, and the mounting holes 41a are fixed to the electric device by bolts.

In some embodiments of the present application, referring to fig. 3, at least opposite ends of the battery carrier 41 are connected by a connector 42. It will be understood that both ends of the battery carrier 41 are connected by the connection member 42 (see fig. 3, both ends of the battery carrier 41 in the first direction are connected by the connection member 42); or the three ends of the battery carrier 41 are connected by the connecting member 42; or alternatively the four ends of the battery carrier 41 are connected by a connector 42.

In some embodiments of the present application, referring to fig. 3, the quick-change bracket 400 further includes a side connection member 44, the side connection member 44 being disposed between two adjacent battery carriers 41 and connecting the two adjacent battery carriers 41.

The side connectors 44 may be, but are not limited to, connection beams, connection plates, and connection frame structures. In the above technical solution, two adjacent battery carriers 41 can be connected not only by the connecting member 42, but also by the side connecting member 44, and the side connecting member 44, the connecting member 42 and the battery carriers 41 can form a frame structure, so that the structural strength of the quick-change bracket 400 can be improved, and the reliability of the quick-change bracket 400 can be improved.

According to the quick-change bracket 400 provided by the embodiment of the application, the upper layer battery pack bracket and the lower layer battery pack bracket (namely the battery bearing piece 41) in the quick-change bracket 400 are connected by an integrated Z-shaped bracket (namely the connecting piece 42), and the Z-shaped bracket is provided with a fixing hole for fixing the wire harness and the water cooling pipe at the place where the wire harness and the water cooling pipe pass, so that the wire harness and the water cooling pipe are fixed while the upper layer battery pack bracket is fixed. Wherein:

In the upper layer battery pack bracket of the quick-change bracket 400, brackets under different cross beams (namely the first beam 411) are made into Z-shaped brackets, so that the overall strength of the brackets can be improved, and reliable support is provided for the upper layer battery pack;

The Z-shaped bracket is additionally provided with a Z-shaped along-with-shape reinforcing plate (namely a reinforcing piece 43) at the position of the opening of the fixing point of the wire harness and the water cooling pipe, so that the influence of the opening of the bracket surface on the bracket strength is counteracted, and the bracket also has a structural reinforcing effect on the upper battery pack bracket.

In a second aspect, embodiments of the present application also provide an electrical device including a quick-change stand 400 as described above.

In the above technical solution, the quick-change bracket 400 has higher structural strength, improves the connection reliability of the battery 100 and the electric device, and the quick-change bracket 400 can also provide the installation positions of other components such as the wire harness and/or the heat exchange tube, so that the installation reliability of the wire harness and/or the heat exchange tube on the electric device can be improved, thereby improving the overall reliability of the electric device.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.

The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (12)

1. A quick-change stand for mounting a battery and connecting with an electrical device, the quick-change stand comprising:

the battery carriers are at least two and are sequentially layered;

The connecting piece, two arbitrary adjacent between the battery carrier pass through the connecting piece links to each other, the connecting piece is equipped with fixed part, fixed part can be used to fixed pencil and/or heat exchange tube at least.

2. The quick-change stand of claim 1, wherein the connector comprises:

A first plate portion provided with the fixing portion and having a width direction;

And the second plate part and the third plate part are connected to two ends of the first plate part in the width direction, and the second plate part and the third plate part are connected to adjacent battery carriers.

3. The quick-change bracket according to claim 2, wherein the second plate portion and the third plate portion are located on both sides in a thickness direction of the first plate portion.

4. A quick-change bracket according to claim 2 or 3, wherein the fixing portion is a fixing hole.

5. The quick-change bracket of claim 4, wherein the connector has a length direction, the quick-change bracket further comprising a stiffener connected to the connector and at least one disposed along the length direction.

6. The quick-change bracket of claim 5, wherein the securing hole is located in an orthographic projection of the reinforcing member on the connecting member, the reinforcing member is provided with a relief hole, and the relief hole and the securing hole are disposed in correspondence.

7. The quick-change bracket of claim 6, wherein the reinforcement comprises:

the first reinforcing part is connected with the first plate part and is provided with the avoidance hole;

the second reinforcing part and the third reinforcing part are connected to the two ends of the first reinforcing part in the width direction, the second reinforcing part is connected with the second plate part, and the third reinforcing part is connected with the third plate part.

8. The quick-change bracket of claim 7, wherein the second reinforcement and/or the third reinforcement is connected to an adjacent battery carrier.

9. The quick-change bracket of claim 8, wherein the second plate portion is provided with a first bolt hole, the second reinforcement portion is provided with a first through hole, and the first through hole corresponds to the first bolt hole; and/or, the third plate part is provided with a second bolt hole, the third reinforcing part is provided with a second through hole, and the second through hole corresponds to the second bolt hole.

10. The quick change bracket of claim 7, wherein the second plate portion is provided with a first bolt hole, the first plate portion being provided with a first notch adjacent to the first bolt hole; and/or the third plate part is provided with a second bolt hole, and the first plate part is provided with a second notch close to the second bolt hole.

11. The quick-change bracket of claim 1, wherein the battery carrier comprises a first beam and a second beam connected, the first beam extending in a first direction and the second Liang Tiyan extending in a second direction, the first direction and the second direction being perpendicular to each other, the first beam or the second beam connecting the connector.

12. An electrical device comprising a quick-change stand according to any one of claims 1 to 11.