CN220731667U - Battery box, battery and power consumption device - Google Patents

Abstract

The application provides a battery box, battery and power consumption device, belongs to battery technical field. The battery box includes a frame, a protective panel, and a thermal management component. The thermal management component is provided with an inlet and an outlet, the frame is provided with a notch, and the protection panel is positioned at the notch. The protection panel includes panel main part and protection apron, and the panel main part is connected with the frame, and the frame encloses into accommodation space with the panel main part, and protection apron is connected with the panel main part, and protection apron is located the accommodation space outward. The part of the thermal management component is positioned in the accommodating space, the inlet and the outlet are positioned outside the accommodating space, and the protective cover plate is covered at the inlet and the outlet. The inlet and the outlet are protected through the protection cover plate, collision to the inlet and the outlet is reduced, the possibility of damage to the inlet and the outlet is reduced, and the reliability of the battery can be improved.

Description

Battery box, battery and power consumption device

Technical Field

The application relates to the technical field of batteries, in particular to a battery box, a battery and an electric device.

Background

Energy conservation and emission reduction are key to sustainable development of the automobile industry, and electric vehicles become an important component of sustainable development of the automobile industry due to the energy conservation and environmental protection advantages of the electric vehicles. For electric vehicles, battery technology is an important factor in the development of the electric vehicles.

The battery comprises a battery box body and a battery monomer positioned in the battery box body, wherein the battery monomer needs to be used at a proper temperature, and a thermal management component is arranged in the battery box body and can be used for adjusting the temperature of the battery monomer. The heat management component is provided with a flow channel, an inlet and an outlet which are respectively communicated with the flow channel, and a heat exchange medium enters the flow channel through the inlet and flows out of the outlet after exchanging heat with the battery monomer.

The inlet and outlet of the heat management part in the related art are easily damaged, affecting the reliability of the battery.

Disclosure of Invention

The present application aims to solve at least one of the technical problems existing in the background art. Therefore, an object of the present application is to provide a battery case, a battery, and an electric device, which protect an inlet and an outlet of a thermal management member and improve reliability of the battery.

Embodiments of a first aspect of the present application provide a battery box, the battery box comprising: the frame is provided with a notch; the protection panel is positioned at the notch and comprises a panel main body and a protection cover plate, the panel main body is connected with the frame, the frame and the panel main body enclose a containing space, the protection cover plate is connected with the panel main body, and the protection cover plate is positioned outside the containing space; a thermal management component having an inlet and an outlet, a portion of the thermal management component being located within the receiving space; the inlet and the outlet are positioned outside the accommodating space, and the inlet and the outlet are covered by the protective cover plate.

In the technical scheme of this application embodiment, the battery box can protect import and export through the protection apron, reduces the collision of import and export, reduces the possibility that import and export damaged, can improve the reliability of battery.

In some embodiments, the protective cover includes a top plate having one side connected to the panel body and a side plate connected to the other side of the top plate to form a recess toward the thermal management component; the inlet and outlet are located in the recess. The roof can form the recess with panel main part and curb plate, places import and export at the recess, both has conveniently installed protection panel, can protect import and export from the periphery of import and export simultaneously, further improves the protection effect to import and export.

In some embodiments, the thermal management component further comprises a first closure plug and a second closure plug, the top plate having at least two through holes, the first closure plug blocking the inlet through one of the at least two through holes, the second closure plug blocking the outlet through the other of the at least two through holes. By arranging the first sealing plug and the second sealing plug, the inlet and the outlet can be plugged when the thermal management component is not used, and the influence on the reliability of the battery caused by the outflow of the heat exchange medium in the flow channel is avoided. Meanwhile, the through holes are formed in the top plate and used for the first sealing plug and the second sealing plug to pass through, so that the protection panel can be mounted or dismounted without dismounting the first sealing plug and the second sealing plug, and the mounting and dismounting of the first sealing plug and the second sealing plug are more convenient.

In some embodiments, the battery case further comprises: the bottom plate is connected with the frame and covers one outlet of the accommodating space; wherein the thermal management component is sandwiched between the base plate and the bezel. The thermal management component is clamped between the bottom plate and the frame, so that the bottom plate can protect the thermal management component, the possibility of damage of the thermal management component is reduced, and the reliability of the battery is improved.

In some embodiments, the thermal management component has a relief notch, and the bottom plate further includes a first connecting bolt that passes through the relief notch to connect with the panel body. The mode that dodges breach and panel main part are connected through setting up first connecting bolt and pass both can realize the connection of bottom plate and protection panel for the protection panel is more firm, can fix thermal management part simultaneously, improves thermal management part's steadiness.

In some embodiments, the protective panel further includes a mounting boss connected with the panel body, and the mounting boss is located outside the accommodating space, the mounting boss having a mounting hole for connection with the vehicle fender. The installation bulge is arranged to be connected with the guard plate of the whole vehicle, so that the protection panel can be protected, the damage possibility of the protection panel is reduced, and the reliability of the battery is improved.

In some embodiments, the mounting boss is connected to a side of the panel body proximate to the thermal management component. The heat management component and the whole vehicle guard plate are positioned on the same side of the panel main body, and the mounting protrusion is connected with one side of the panel main body, which is close to the heat management component, so that the mounting protrusion is convenient to connect with.

In some embodiments, the panel body further includes a high voltage connector mounting hole. When the battery box body is applied to an automobile, the high-voltage plug connector can be connected with a battery monomer positioned in the accommodating space through the high-voltage plug connector mounting hole, so that the battery is electrically connected with the automobile.

In some embodiments, the panel body further includes a low voltage connector mounting hole. When the battery box body is applied to an automobile, the low-voltage plug connector can be connected with a battery monomer positioned in the accommodating space through the low-voltage plug connector mounting hole, so that the battery is electrically connected with the automobile.

In some embodiments, the panel body has a first upper cover mounting surface with a first upper cover mounting aperture thereon. The first upper cover mounting surface realizes the mounting and sealing of the protection panel and the upper cover, and meanwhile, the upper cover can be connected with the protection panel through the first upper cover mounting hole, so that the connection mode is simpler.

In some embodiments, the battery case further comprises: the partition board is connected with the frame and is positioned in the accommodating space, so that a plurality of sub accommodating spaces are formed in the accommodating space. The partition plates are arranged to enable the accommodating space to form a plurality of sub-accommodating spaces, the battery monomers in the accommodating space can be placed in different areas, and the different areas are independently managed, so that when the battery is damaged, the damaged area can be rapidly determined, and then the damaged battery is determined in the damaged area, so that the battery management device is more convenient.

An embodiment of the second aspect of the present application provides a battery, which includes the battery case in the above embodiment.

An embodiment of a third aspect of the present application provides an electrical device, including a battery in the above embodiment, where the battery is configured to provide electrical energy.

The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification in order to make the technical means of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the present application more clearly understood, the following detailed description of the present application will be given.

Drawings

In the drawings, the same reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily drawn to scale. It is appreciated that these drawings depict only some embodiments according to the disclosure and are not therefore to be considered limiting of its scope.

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 provided in some embodiments of the present application;

fig. 3 is a schematic structural diagram of a battery case according to some embodiments of the present disclosure;

fig. 4 is a schematic view of a portion of a battery case according to some embodiments of the present disclosure;

FIG. 5 is a schematic structural view of a protective panel according to some embodiments of the present disclosure;

FIG. 6 is a schematic view of a protective panel according to some embodiments of the present disclosure;

FIG. 7 is a schematic illustration of a thermal management component provided in some embodiments of the present application;

FIG. 8 is a schematic diagram illustrating a connection between a battery box and a vehicle fender according to some embodiments of the present application;

FIG. 9 is a partial top view of a battery box and vehicle fender connection according to some embodiments of the present application;

fig. 10 is a cross-sectional view of the A-A plane of fig. 9.

Reference numerals illustrate:

1000. a vehicle; 100. a battery; 200. a controller; 300. a motor; 400. a battery case; 401. a first portion; 402. a second portion; 500. a battery cell; 600. a whole car guard board; 601. a second connecting bolt; 10. a frame; 11. a notch; 12. an accommodating space; 121. a sub-receiving space; 13. a second upper cover mounting surface; 131. a second upper cover mounting hole; 20. a protective panel; 21. a panel main body; 22. a protective cover plate; 221. a top plate; 2211. a through hole; 222. a side plate; 2221. a thread groove; 223. a groove; 23. mounting the bulge; 231. a mounting hole; 24. a high-voltage plug connector mounting hole; 25. a low-voltage plug connector mounting hole; 26. a first upper cover mounting surface; 261. a first upper cover mounting hole; 30. a thermal management component; 31. an inlet; 32. an outlet; 33. a first closure plug; 331. a first handle; 34. a second closure plug; 341. a second handle; 35. avoiding the notch; 36. a heat exchange plate; 37. a mounting plate; 38. a mounting hole; 40. a bottom plate; 41. a first connecting bolt; 50. a partition board.

Detailed Description

Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present 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 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 and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein 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 present 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. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, which means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural sheets" refers to two or more (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and for simplifying the description, rather than indicating or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

Currently, the application of power batteries is more widespread from the development of market situation. The power battery is not only applied to energy storage power supply systems such as hydraulic power, firepower, wind power and solar power stations, but also widely applied to electric vehicles such as electric bicycles, electric motorcycles, electric automobiles, and the like, and a plurality of fields such as military equipment, aerospace, and the like. With the continuous expansion of the application field of the power battery, the market demand of the power battery is also continuously expanding.

The battery comprises a battery box body and a battery monomer, wherein the battery box body is provided with a cavity, and the battery monomer is positioned in the cavity. Because the battery monomer needs to work under suitable temperature, so can set up thermal management part in the battery box, thermal management part can be used to adjust the free temperature of battery, and the free temperature of battery drops down when the free temperature of battery is too high, and the free temperature of battery rises up when the free temperature of battery is too low. The heat management component is provided with a flow channel and an inlet and an outlet which are respectively communicated with the flow channel, the flow channel is positioned in the box body, the inlet and the outlet are positioned outside the box body, and a heat exchange medium enters the flow channel through the inlet and flows out of the outlet after exchanging heat with the battery monomer, so that the heat management of the battery monomer is realized. In the use process of the battery, the battery is inevitably knocked, and the inlet and the outlet are easily damaged, so that the thermal management component can not realize thermal management of the battery monomers, and the reliability of the battery is affected.

Embodiments of the present application provide a battery box including a bezel, a protective panel, and a thermal management component. The frame has the breach, and the protection panel is located breach department, and the protection panel includes panel main part and protection apron, and the protection panel main part is connected with the frame, and the frame encloses into the accommodation space with the panel main part, and protection apron is connected with the panel main part, and the protection panel is located the accommodation space outward, and the thermal management part has import and export, and the part of thermal management part is located the accommodation space, and import and export are located the accommodation space outward, and protection apron lid is established in import and export department. The protection cover plate can protect the inlet and the outlet, reduce the damage possibility of the inlet and the outlet, and improve the reliability of the battery.

The battery 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 batteries. The power supply system with the battery disclosed by the application can be used for forming the power utilization device, so that the possibility of damage to the inlet and the outlet of the thermal management component is reduced, and the stability of the battery performance and the service life of the battery are improved.

The embodiment of the application provides an electricity utilization device using a battery as a power supply, wherein the electricity utilization 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 car, a ship, a spacecraft and the like. Among them, the electric toy may include fixed or mobile electric toys, such as game machines, electric car toys, electric ship toys, electric plane toys, and the like, and the spacecraft may include planes, rockets, space planes, and spacecraft, and the like.

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 according to some embodiments of the present application. The vehicle 1000 may be a fuel oil vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or a range-extended vehicle. The battery 100 is provided in the interior of the vehicle 1000, 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 according to some embodiments of the present application. The battery 100 includes a battery case 400 and a battery cell 500, and the battery cell 500 is received in the battery case 400. The battery case 400 is used to provide an accommodating space for the battery cell 500, and may have various structures. In some embodiments, the battery case 400 may include a first portion 401 and a second portion 402, the first portion 401 and the second portion 402 being overlapped with each other, the first portion 401 and the second portion 402 together defining an accommodating space for accommodating the battery cell 500. The second portion 402 may be a hollow structure with an opening at one end, the first portion 401 may be a plate-shaped structure, and the first portion 401 covers the opening side of the second portion 402, so that the first portion 401 and the second portion 402 together define an accommodating space; the first portion 401 and the second portion 402 may also be hollow structures with one side open, and the open side of the first portion 401 is covered with the open side of the second portion 402. Of course, the battery case 400 formed by the first portion 401 and the second portion 402 may be of various shapes, such as a cylinder, a rectangular parallelepiped, etc.

The embodiment of the application provides a battery box, and fig. 3 is a schematic structural diagram of the battery box provided in some embodiments of the application. Referring to fig. 3, the battery case 400 includes a frame 10 and a protection panel 20. Fig. 4 is a schematic view of a portion of a battery case according to some embodiments of the present disclosure. Referring to fig. 4, the battery case 400 further includes a thermal management member 30, the thermal management member 30 having an inlet 31 and an outlet 32, and the frame 10 having a notch 11. Referring to fig. 3 and 4, a protective panel 20 is positioned at the notch 11.

Fig. 5 is a schematic structural diagram of a protection panel according to some embodiments of the present application. Referring to fig. 5, the protection panel 20 includes a panel body 21 and a protection cover plate 22. Referring to fig. 3 to 5, the panel body 21 is connected to the frame 10, the frame 10 and the panel body 21 enclose a receiving space 12, the protective cover 22 is connected to the panel body 21, and the protective cover 22 is located outside the receiving space 12. Part of the thermal management member 30 is located in the accommodating space 12, the inlet 31 and the outlet 32 are located outside the accommodating space 12, and the protective cover 22 is provided at the inlet 31 and the outlet 32.

In the embodiment of the present application, the protection panel 20 is located at the notch 11, and the panel body 21 is connected with the frame 10 to block the notch 11, so that the frame 10 and the protection panel 20 form a complete accommodating space 12. The battery case 400 may further include a bottom plate 40 and an upper cover (not shown in the drawings), where the bottom plate 40 and the upper cover two openings of the accommodating space 12, respectively, so that a closed cavity is formed to protect the battery cells located in the cavity.

In some embodiments of the present application, the panel body 21 and the frame 10 may be connected by welding, which is convenient and fast.

Illustratively, the panel body 21 and the frame 10 may be made of metal, and the protection panel 20 may be manufactured by die casting.

In the embodiment of the present application, the protective cover 22 is located outside the accommodating space 12, that is, the protective cover 22 and the accommodating space 12 are located on opposite sides of the panel body 21, respectively.

A portion of the thermal management component 30 is located in the accommodating space 12, and illustratively, a flow channel in the thermal management component 30 is located in the accommodating space 12, so that heat exchange between the battery cell and the heat exchange medium in the flow channel is facilitated.

The inlet 31 and the outlet 32 are positioned outside the accommodating space 12, so that the heat exchange medium is conveniently conveyed into the flow channel through the inlet 31, and meanwhile, the heat exchange medium after heat exchange can conveniently flow out from the outlet 32. Since the inlet 31 and the outlet 32 are located outside the accommodating space 12 and outside the accommodating space 12, the inlet 31 and the outlet 32 are easy to collide with other components, so that the inlet 31 and the outlet 32 are damaged, and if the inlet 31 and the outlet 32 are damaged, the thermal management component 30 may not realize good thermal management on the battery cell, and the reliability of the battery is affected.

The battery box 400 provided by the embodiment of the application can protect the inlet 31 and the outlet 32 through the protection cover plate 22, reduce the collision to the inlet 31 and the outlet 32, reduce the possibility of damage to the inlet 31 and the outlet 32, and improve the reliability of the battery.

Fig. 6 is a schematic structural view of a protective panel according to some embodiments of the present application at another view angle. Referring to fig. 5 and 6, the protective cover 22 includes a top plate 221 and a side plate 222, one side of the top plate 221 is connected with the panel body 21, and the side plate 222 is connected with the other side of the top plate 221 to form a groove 223 facing the thermal management member 30, and the inlet 31 and the outlet 32 are located in the groove 223 in conjunction with fig. 1 and 6.

In the embodiment of the present application, the top plate 221 may be in a direction or other shapes, the side plate 222 is perpendicular to the extending direction of the top plate 221, and the panel main body 21 is also perpendicular to the extending direction of the top plate 221, so that the depth of the formed groove 223 is large enough to realize more comprehensive protection of the inlet 31 and the outlet 32.

In the embodiment of the application, the top plate 221, the panel body 21 and the side plate 222 may form the groove 223, and the inlet 31 and the outlet 32 are placed in the groove 223, so that the protection panel 20 is convenient to install, and the inlet 31 and the outlet 32 can be protected from the periphery of the inlet 31 and the outlet 32, so that the protection effect on the inlet 31 and the outlet 32 is further improved.

Fig. 7 is a schematic structural diagram of a thermal management component provided in some embodiments of the present application, according to some embodiments of the present application. Referring to fig. 7, the thermal management component 30 further includes a first closure plug 33 and a second closure plug 34. Referring to fig. 5 and 6, the top plate 221 has at least two through holes 2211, and in combination with fig. 1 and 5 to 7, a first sealing plug 33 seals the inlet 31 through one of the at least two through holes 2211, and a second sealing plug 34 seals the outlet 32 through the other of the at least two through holes 2211.

Referring to fig. 7, the thermal management member 30 includes a heat exchange plate 36 and a mounting plate 37, the mounting plate 37 is connected to one side of the heat exchange plate 36, a flow passage (not shown) is formed in the heat exchange plate 36, the shape of the main body of the heat exchange plate 36 is the same as the shape of the opening of the receiving space 12, and the heat exchange plate 36 is positioned in the receiving space 12 such that the battery cells in the receiving space 12 can all be in contact with the heat exchange plate 36. The mounting plate 37 is located outside the accommodation space 12, and the inlet 31 and the outlet 32 are both located on the mounting plate 37.

Referring to fig. 7, the thermal management component 30 has a plurality of mounting holes 38 thereon, and the thermal management component 30 may be connected to the base plate 40 with the mounting holes 38 to improve the stability of the thermal management component 30.

In the embodiment of the present application, the manner in which the first sealing plug 33 seals the inlet 31 may be the same as or different from the manner in which the second sealing plug 34 seals the outlet 32.

Illustratively, the first closure plug 33 may be threadably coupled to the inlet 31 to effect closure of the inlet 31, and the second closure plug 34 may also be threadably coupled to the outlet 32 to effect closure of the outlet 32; alternatively, the first sealing plug 33 can be inserted into the inlet 31 to seal the inlet 31, and the second sealing plug 34 can be inserted into the outlet 32 to seal the outlet 32; or the first sealing plug 33 can be in threaded connection with the inlet 31 to realize the sealing of the inlet 31, and the second sealing plug 34 can be inserted into the outlet 32 to realize the sealing of the outlet 32; alternatively, the first sealing plug 33 may be inserted into the inlet 31 to seal the inlet 31, and the second sealing plug 34 may be screwed with the outlet 32 to seal the outlet 32.

Referring to fig. 7, a first handle 331 may be disposed on the first sealing plug 33 to facilitate operation of the first sealing plug 33, and a second handle 341 may be disposed on the second sealing plug 34 to facilitate operation of the second sealing plug 34.

IN embodiments of the present application, the symbols of the inlets, such as IN, may be marked near the corresponding through holes 2211 of the inlets 31; the symbol of the outlet, e.g., OUT, is marked near the corresponding through-hole 2211 of the outlet 32 for easy identification.

In the embodiment of the application, by arranging the first sealing plug 33 and the second sealing plug 34, the inlet 31 and the outlet 32 can be plugged when the thermal management component 30 is not used, so that the heat exchange medium in the flow channel is prevented from flowing out to influence the reliability of the battery. Meanwhile, the through hole 2211 is arranged on the top plate 221 for the first sealing plug 33 and the second sealing plug 34 to pass through, so that the protection panel 20 can be more conveniently assembled or disassembled without disassembling the first sealing plug 33 and the second sealing plug 34.

According to some embodiments of the present application, the bottom plate 40 is connected with the rim 10, wherein the thermal management component 30 is sandwiched between the bottom plate 40 and the rim 10.

In the embodiment of the present application, the shape of the bottom plate 40 is matched with the shape of the thermal management component 30, so that the bottom plate 40 can shield one side of the entire thermal management component 30 away from the frame 10, and protect the thermal management component 30.

In the embodiment of the present application, the thermal management component 30 is sandwiched between the bottom plate 40 and the frame 10, so that the bottom plate 40 can protect the thermal management component 30, reduce the possibility of damage to the thermal management component 30, and improve the reliability of the battery.

According to some embodiments of the present application, referring to fig. 7, the thermal management component 30 has a relief notch 35, referring to fig. 4, the bottom plate 40 further includes a first connection bolt 41, and the first connection bolt 41 is connected to the panel body 21 through the relief notch 35 in combination with fig. 3, 4 and 7.

Referring to fig. 7, the heat exchange plate 36 and the mounting plate 37 are provided with avoiding notches 35, and the first connecting bolts 41 pass through the avoiding notches 35 on the mounting plate 37 to be connected with the panel main body 21. The first connecting bolts 41 may also be connected to the frame 10 through the relief notches 35 located on the heat exchanger plate 36.

Referring to fig. 7, the avoidance gap 35 is located at a side edge of the heat exchange plate 36 and the mounting plate 37, and after the first connection bolt 41 passes through the avoidance gap 35 and is connected with the panel main body 21 and the frame 10, the thermal management component 30 may be limited in a space enclosed by the first connection bolt 41 to fix the thermal management component 30.

Referring to fig. 6, the side plate 222 has a screw groove 2221 to which the first coupling bolt 41 is coupled, and the first coupling bolt 41 is screw-coupled to the screw groove 2221 through the escape notch 35.

In the embodiment of the application, through the mode that the avoidance gap 35 through which the first connecting bolt 41 passes is arranged to be connected with the panel main body 21, the connection between the bottom plate 40 and the protection panel 20 can be realized, so that the protection panel 20 is more stable, the thermal management component 30 can be fixed, and the stability of the thermal management component 30 is improved.

According to some embodiments of the present application, referring to fig. 5 and 6, the protection panel 20 further includes a mounting protrusion 23, the mounting protrusion 23 is connected with the panel body 21, and the mounting protrusion 23 is located outside the receiving space 12, the mounting protrusion 23 having a mounting hole 231.

Fig. 8 is a schematic connection diagram of a battery box and a vehicle guard board according to some embodiments of the present application. The mounting hole 231 is used for connecting with the vehicle fender 600.

In the process of using the battery in the automobile, the battery is inevitably bumped along with the use of the automobile, and particularly when the battery is mounted on the bottom plate of the automobile, the battery is easy to bump with other parts below the automobile. For example, during the bumping process of the automobile, the battery is easy to collide with stones below the automobile, so that the battery case 400 is deformed.

Fig. 9 is a partial top view of a battery box and vehicle fender connection according to some embodiments of the present application. Fig. 10 is a cross-sectional view of the A-A plane of fig. 9. Referring to fig. 9 and 10, the whole car cover 600 is installed under the battery, and the battery can be protected. The vehicle guard 600 includes a second connection bolt 601, and the second connection bolt 601 is threaded through the mounting hole 231 on the mounting boss 23 and the bottom plate 40. The connection of the vehicle fender 600 with the floor panel 40 and the protection panel 20 is realized.

In the embodiment of the application, the mounting protrusions 23 are connected with the whole vehicle guard plate 600, so that the protection panel 20 can be protected, the damage possibility of the protection panel 20 is reduced, and the reliability of the battery is improved.

According to some embodiments of the present application, the mounting boss 23 is connected to a side of the panel body 21 near the thermal management component 30.

Referring to fig. 3, when the battery case 400 is being placed, the thermal management member 30 is located under the panel body 21, and the mounting boss 23 is connected to the underside of the panel body 21.

In the embodiment of the present application, the thermal management component 30 and the whole vehicle guard plate 600 are located on the same side of the panel body 21, and the mounting protrusion 23 is connected to the side of the panel body 21 close to the thermal management component 30, so that the mounting protrusion 23 is convenient to connect.

In the embodiment of the present application, the protective cover 22 is connected to the side of the panel body 21 near the thermal management component 30, so that the protective cover 22 is conveniently covered with the inlet 31 and the outlet 32.

According to some embodiments of the present application, referring to fig. 5 and 6, the panel body 21 further includes a high voltage connector mounting hole 24.

Illustratively, the high voltage connector mounting holes 24 are located on a side of the panel body 21 remote from the thermal management component 30 such that the high voltage connector mounting holes 24 are spaced from the protective panel 20 and the mounting bosses 23, with a more rational placement.

When the battery box 400 is applied to an automobile, the high-voltage plug connector can be connected with a battery monomer positioned in the accommodating space 12 through the high-voltage plug connector mounting hole 24, so that the battery is electrically connected with the automobile.

According to some embodiments of the present application, referring to fig. 5 and 6, the panel body 21 further includes a low voltage connector mounting hole 25.

Illustratively, the low-voltage connector mounting holes 25 are located on a side of the panel body 21 remote from the thermal management component 30, such that the low-voltage connector mounting holes 25 are spaced apart from the protective panel 20 and the mounting bosses 23, with a more rational placement.

When the battery box 400 is applied to an automobile, the low-voltage plug connector can be connected with a battery monomer positioned in the accommodating space 12 through the low-voltage plug connector mounting hole 25, so that the battery is electrically connected with the automobile.

According to some embodiments of the present application, the panel body 21 has a first upper cover mounting surface 26, and the first upper cover mounting surface 26 has a first upper cover mounting hole 261 thereon.

The upper cover may be coupled with the protection panel 20 through the first upper cover mounting hole 261. For example, the first upper cover mounting hole 261 is a screw hole, and a bolt is screwed to the first upper cover mounting hole 261 through a through hole in the upper cover.

Referring to fig. 3 and 4, the frame 10 has a second upper cover mounting surface 13, and the connection part between the first upper cover mounting surface 26 and the second upper cover mounting surface 13 is flush with the upper cover mounting surface, so that the flatness and tightness of the whole upper cover mounting surface are ensured, and the mounting and sealing of the frame 10 and the upper cover are realized.

Referring to fig. 3 and 4, the second upper cover mounting surface 13 has a second upper cover mounting hole 131 thereon, and the upper cover is connected to the rim 10 through the second upper cover mounting hole 131. For example, the second upper cover mounting hole 131 is a threaded hole, and a bolt is threaded through the through hole on the upper cover to be connected with the second upper cover mounting hole 131.

In the embodiment of the present application, the first upper cover mounting surface 26 realizes the mounting and sealing of the protection panel 20 and the upper cover, and meanwhile, the upper cover can be connected with the protection panel 20 through the first upper cover mounting hole 261, so that the connection mode is simpler.

According to some embodiments of the present application, the battery case 400 further includes a partition 50, the partition 50 being connected to the frame 10, the partition 50 being located in the accommodating space 12 such that the accommodating space 12 forms a plurality of sub-accommodating spaces 121.

In the embodiment of the present application, the accommodating space 12 is a rectangular cavity, and the battery case 400 may include a plurality of separators 50, where the separators 50 are parallel to the height direction Z of the frame 10, and the plurality of separators 50 are arranged in parallel along the first direction X at intervals. The first direction X is parallel to one side of the frame 10, and the plurality of partitions 50 divide the accommodating space 12 into a plurality of sub-accommodating spaces 121.

In other implementations, the plurality of spacers 50 may also be arranged in parallel at intervals along the second direction Y.

In the embodiment of the application, the partition 50 is arranged to enable the accommodating space 12 to form a plurality of sub-accommodating spaces 121, the battery cells 500 in the accommodating space 12 can be arranged in different areas, and the different areas are independently managed, so that when the battery is damaged, the damaged area can be rapidly determined, and then the damaged battery can be determined in the damaged area, so that the battery is more convenient.

The embodiment of the application also provides a battery, which comprises the battery box body of any one of the embodiments.

The thermal management component in the battery is not easy to damage, and the safety of the battery is higher.

The embodiment of the application provides an electricity utilization device, which comprises the battery of the embodiment, wherein the battery is used for providing electric energy.

The thermal management component in the power utilization device is not easy to damage, and the safety of the power utilization device is higher.

Embodiments of the present application provide a battery case 400, the battery case 400 including a frame 10, a protection panel 20, a thermal management component 30, a bottom plate 40, and a partition 50.

The rim 10 has a notch 11. The protective panel 20 is located at the notch 11. The protective panel 20 includes a panel body 21 and a protective cover 22. The panel body 21 is connected with the frame 10, the frame 10 and the panel body 21 enclose a containing space 12, the protective cover plate 22 is connected with the panel body 21, and the protective cover plate 22 is located outside the containing space 12. The protective cover 22 includes a top plate 221 and a side plate 222, one side of the top plate 221 is connected with the panel body 21, the side plate 222 is connected with the other side of the top plate 221 to form a groove 223 facing the thermal management component 30, the thermal management component 30 has an inlet 31 and an outlet 32, and the inlet 31 and the outlet 32 are located in the groove 223.

The thermal management component 30 further includes a first closure plug 33 and a second closure plug 34. The top plate 221 has at least two through holes 2211, a first sealing plug 33 seals the inlet 31 through one of the at least two through holes 2211, and a second sealing plug 34 seals the outlet 32 through the other of the at least two through holes 2211.

The base plate 40 is connected to the rim 10, and the thermal management component 30 is sandwiched between the base plate 40 and the rim 10. The thermal management member 30 has a relief notch 35, and the bottom plate 40 further includes a first connecting bolt 41, and the first connecting bolt 41 passes through the relief notch 35 to be connected with the panel body 21.

The protection panel 20 further includes a mounting protrusion 23, the mounting protrusion 23 is connected with the panel body 21, and the mounting protrusion 23 is located outside the receiving space 12, and the mounting protrusion 23 has a mounting hole 231. The mounting hole 231 is used for connecting with the vehicle fender 600. The mounting boss 23 and the protective cover 22 are both connected to a side of the panel body 21 near the thermal management component 30.

The panel body 21 further includes a high-voltage connector mounting hole 24 and a low-voltage connector mounting hole 25, and the high-voltage connector mounting hole 24 and the low-voltage connector mounting hole 25 are located on a side of the panel body 21 away from the thermal management component 30.

The panel main body 21 has a first upper cover mounting surface 26, and the first upper cover mounting surface 26 has a first upper cover mounting hole 261. The upper cover may be coupled with the protection panel 20 through the first upper cover mounting hole 261. The frame 10 has a second upper cover mounting surface 13, and the junction of the first upper cover mounting surface 26 and the second upper cover mounting surface 13 is flush with the upper cover mounting surface, and the second upper cover mounting surface 13 has a second upper cover mounting hole 131 thereon, and the upper cover is connected to the frame 10 through the second upper cover mounting hole 131.

The battery case 400 further includes a partition 50, where the partition 50 is connected to the frame 10, and the partition 50 is located in the accommodating space 12, so that the accommodating space 12 forms a plurality of sub-accommodating spaces 121. The accommodating space 12 is a rectangular cavity, and the battery case 400 may include a plurality of partitions 50, the partitions 50 being parallel to the height direction Z of the frame 10, and the plurality of partitions 50 being arranged in parallel at intervals along the first direction X. The first direction X is parallel to one side of the frame 10, and the plurality of partitions 50 divide the accommodating space 12 into a plurality of sub-accommodating spaces 121.

The battery box that this application embodiment provided will multiple function collection on the protection panel 20 to with protection apron 22, installation arch 23, high-voltage connector mounting hole 24 and low-voltage connector mounting hole 25 set up on the protection panel 20, and protection panel 20 adopts die casting integrated into one piece's mode to make, simple structure, simple process, production efficiency are high, with low costs, and make protection panel 20 can realize multiple functions, satisfy the demand of the assembly and the use of battery.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and are intended to be included within the scope of the claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (13)

1. A battery box, characterized in that the battery box comprises:

a frame (10) having a notch (11);

the protection panel (20) is positioned at the notch (11), the protection panel (20) comprises a panel main body (21) and a protection cover plate (22), the panel main body (21) is connected with the frame (10), the frame (10) and the panel main body (21) enclose a containing space (12), the protection cover plate (22) is connected with the panel main body (21), and the protection cover plate (22) is positioned outside the containing space (12);

-a thermal management member (30) having an inlet (31) and an outlet (32), a portion of the thermal management member (30) being located within the receiving space (12);

the inlet (31) and the outlet (32) are positioned outside the accommodating space (12), and the protective cover plate (22) covers the inlet (31) and the outlet (32).

2. The battery case according to claim 1, wherein the protective cover plate (22) includes a top plate (221) and a side plate (222), one side of the top plate (221) is connected to the panel body (21), and the side plate (222) is connected to the other side of the top plate (221) to form a groove (223) toward the thermal management member (30);

the inlet (31) and the outlet (32) are located in the recess (223).

3. The battery case according to claim 2, wherein the thermal management component (30) further comprises a first sealing plug (33) and a second sealing plug (34), the top plate (221) having at least two through holes (2211), the first sealing plug (33) sealing the inlet (31) through one (2211) of the at least two through holes (2211), the second sealing plug (34) sealing the outlet (32) through the other (2211) of the at least two through holes (2211).

4. A battery box according to any one of claims 1 to 3, further comprising:

a bottom plate (40) connected with the frame (10), and the bottom plate (40) covers one outlet of the accommodating space (12);

wherein the thermal management component (30) is sandwiched between the base plate (40) and the bezel (10).

5. The battery box according to claim 4, wherein the thermal management component (30) has a relief notch (35), the bottom plate (40) further includes a first connection bolt (41), and the first connection bolt (41) is connected with the panel body (21) through the relief notch (35).

6. A battery box according to any one of claims 1 to 3, wherein the protection panel (20) further comprises a mounting protrusion (23), the mounting protrusion (23) is connected with the panel body (21), and the mounting protrusion (23) is located outside the accommodating space (12), the mounting protrusion (23) has a mounting hole (231), and the mounting hole (231) is used for being connected with a vehicle guard.

7. The battery case according to claim 6, wherein the mounting boss (23) is connected to a side of the panel main body (21) close to the thermal management member (30).

8. A battery compartment according to any one of claims 1 to 3, wherein the panel body (21) further comprises a high voltage connector mounting hole (24).

9. A battery compartment according to any one of claims 1 to 3, wherein the panel body (21) further comprises a low voltage connector mounting hole (25).

10. A battery case according to any one of claims 1 to 3, wherein the panel main body (21) has a first upper cover mounting surface (26), and the first upper cover mounting surface (26) has a first upper cover mounting hole (261) thereon.

11. A battery box according to any one of claims 1 to 3, further comprising:

the partition board (50) is connected with the frame (10), and the partition board (50) is positioned in the accommodating space (12) so that the accommodating space (12) forms a plurality of sub-accommodating spaces (121).

12. A battery comprising the battery case according to any one of claims 1 to 11.

13. An electrical device comprising the battery of claim 12 for providing electrical energy.