CN221447295U - Battery and electric equipment - Google Patents

Abstract

The application relates to the technical field of battery structures, and provides a battery and electric equipment, wherein the battery comprises a battery module, a box body, an output electrode base and a heat conduction structure; the battery module is electrically connected with an output electrode, the box body is provided with a containing cavity, the battery module is contained in the containing cavity, the output electrode base is arranged on the box body, the connecting end of the output electrode is arranged on the output electrode base, the heat conducting structure is connected with the output electrode base and the box body, one side of the output electrode base, facing the box body, is provided with a containing part, and at least part of the heat conducting structure is contained in the containing part; according to the battery provided by the embodiment of the application, the heat conduction structure is arranged and is simultaneously connected with the output electrode base and the box body, and the heat conduction structure is utilized to conduct contact heat conduction on the output electrode base, so that the heat conduction efficiency of the output electrode base to the box body is improved, the temperature rise at the connecting end of the output electrode on the output electrode base can be reduced, and the probability of local overheating is reduced.

Description

Battery and electric equipment

Technical Field

The application relates to the technical field of battery structures, in particular to a battery and electric equipment.

Background

The battery is connected with an external electric connection structure on the output electrode base through the output electrode so as to realize charge and discharge operation. The temperature rise is high here due to the large overcurrent at the connection of the output pole and the electrical connection structure and due to space constraints and the contact resistance of the overlap locking of the output pole and the electrical connection structure.

Disclosure of utility model

The embodiment of the application aims to provide a battery and electric equipment, and aims to solve the problem that the temperature rise of the connection part of an output electrode and an electric connection structure is high.

In order to achieve the above purpose, the technical scheme adopted by the embodiment of the application is as follows:

In a first aspect, an embodiment of the present application provides a battery, including a battery module, a case, an output electrode base, and a heat conductive structure; the battery module is electrically connected with an output electrode, the box body is provided with a containing cavity, the battery module is contained in the containing cavity, the output electrode base is arranged on the box body, the connecting end of the output electrode is arranged on the output electrode base, and the heat conducting structure is connected with the output electrode base and the box body; one side of the output electrode base, which faces the box body, is provided with a containing part, and at least part of the heat conducting structure is contained in the containing part.

The embodiment of the application has the beneficial effects that: according to the battery provided by the embodiment of the application, the heat conducting structure is arranged and is connected with the output pole base and the box body, at least part of the heat conducting structure is accommodated by arranging the accommodating part at one side of the output pole base towards the box body, the heat conducting structure is utilized for conducting heat to the output pole base in a contact way, so that the heat conducting efficiency of the output pole base towards the box body is improved, the arranged accommodating part can reduce the raising distance of the heat conducting structure to the output pole base, so that the influence of the heat conducting structure on the heat resistance between the output pole base and the box body is reduced, the temperature rise at the connecting end of the output pole on the output pole base can be effectively reduced, and the probability of local overheating is reduced.

In some embodiments, the accommodating portion includes an avoidance groove, and the output electrode base is recessed toward one side surface of the case body to form the avoidance groove, and at least part of the heat conducting structure is accommodated in the avoidance groove.

Through adopting foretell technical scheme, at least part of heat conduction structure can the holding dodge the inslot to can alleviate heat conduction structure effectively and lead to the output pole base to be by the degree of bed hedgehopping, with reduce heat resistance influence between heat conduction structure to output pole base and the box, consequently can further improve the radiating effect of output pole base, the temperature rise of link department can effectively improve.

In some embodiments, the accommodating portion includes an avoidance hole formed in a surface of the output electrode base facing the case, and at least a portion of the heat conducting structure is inserted into the avoidance hole.

Through adopting foretell technical scheme, at least part of heat conduction structure can insert and locate and dodge downthehole to can alleviate heat conduction structure effectively and lead to the output pole base to be raised the degree, with reduce heat resistance influence between heat conduction structure to output pole base and the box, consequently can further improve the radiating effect of output pole base.

In some embodiments, the avoidance hole penetrates through the output electrode base, one end of the avoidance hole is opened towards the box body, the other opposite end of the avoidance hole is opened towards the connecting end, the heat conducting structure is insulating, and the heat conducting structure is abutted to the connecting end.

Through adopting foretell technical scheme, heat conduction structure can wear to locate dodge the hole and butt in the link, therefore, the heat that has insulating heat conduction structure can directly conduct the link to the box and dispel the heat, can promote the radiating efficiency of link department effectively, and then improves the temperature rise of link department effectively.

In some embodiments, an end of the thermally conductive structure facing the case is flush with an end side of the output pole mount facing the case.

Through adopting foretell technical scheme, the output utmost point base can dispel the heat through heat conduction structure heat conduction to the box, and the one end of heat conduction structure orientation box is parallel and level mutually with the corresponding end side of output utmost point base simultaneously, and heat conduction structure is lower to the connection influence between output utmost point base and the box.

In some embodiments, the connecting end is provided with a locking structure, the heat conducting structure is provided with a through hole, and the locking structure penetrates through the through hole and is connected to the box body.

Through adopting foretell technical scheme, the link can be connected to the box through the lock attaches the structure on, and output utmost point base can dispel the heat to the box through heat conduction structure heat conduction, and lock attaches the structure simultaneously and also can dispel the heat to the box through heat conduction structure heat conduction to the temperature rise that can improve link department effectively.

In some embodiments, the thermally conductive structure comprises a piece of flexible material.

By adopting the technical scheme, the soft material piece is easier to assemble according to the soft characteristic of the soft material piece, and the soft material piece can also have a certain buffering effect.

In some embodiments, the thermally conductive structure comprises any one of thermally conductive silicone, thermally conductive rubber, thermally conductive acrylic.

Through adopting foretell technical scheme, can utilize heat conduction silica gel, heat conduction rubber, heat conduction acrylic acid to contact the heat conduction to improve the radiating effect, reduce the temperature rise of link department.

In some embodiments, the thermally conductive structure includes a thermally conductive layer and an insulating layer surrounding the thermally conductive layer, the insulating layer being coupled to the output pole mount and the housing.

Through adopting foretell technical scheme, realize heat conduction purpose through the heat conduction layer body to satisfy the insulativity through the insulating layer body, so that the heat conduction structure is carrying out the in-process of heat conduction, and the probability of taking place the electric leakage is lower.

In a second aspect, an embodiment of the present application provides an electric device, including a battery as described above, where the battery is used to provide electric energy.

The embodiment of the application has the beneficial effects that: the electric equipment provided by the embodiment of the application comprises the battery, and the probability of local temperature rise of the electric equipment is lower under the condition that the probability of local temperature rise of the battery is lower.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic structural diagram of a vehicle according to an embodiment of the present application;

Fig. 2 is an exploded view of a battery according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a mounting structure of an output electrode base and a case provided in an embodiment of the present application;

FIG. 4 is a schematic diagram of an output electrode and an output electrode base according to an embodiment of the present application;

FIG. 5 is an enlarged schematic view of a portion of FIG. 4;

fig. 6 is a cross-sectional view of an output electrode base according to an embodiment of the present application.

Wherein, each reference sign in the figure:

1000. A vehicle;

100. a battery; 200. a controller; 300. a motor; 400. an electrical connection structure;

10. A case; 101. a receiving chamber; 11. a first portion; 12. a second portion; 20. a battery module; 21. a battery cell;

30. An output electrode base; 31. a housing part; 311. avoidance holes;

40. a thermally conductive structure; 41. a through hole;

50. an output electrode; 51. a connection end;

60. And a locking structure.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.

In the description of the present application, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In 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; can 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 present application can 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 is connected with an external electrical connection structure through an output electrode thereof, so that the battery can perform charge and discharge operations through the output electrode. Because the overcurrent at the connection part of the output electrode and the electric connection structure is large, and because the output electrode and the electric connection structure are arranged on the output electrode base through the locking structure, the limitation of space and the contact impedance of the lap joint locking of the output electrode and the electric connection structure can lead to the high temperature rise at the connection part, thereby generating the problem of local overheating.

Based on the above consideration, in order to solve the problem that the temperature rise at the connection position of the output electrode and the electric connection structure is higher, a battery is designed, through setting up the heat conduction structure on the box and the output electrode base of the battery, the heat conduction structure is utilized to connect to the box and the output electrode base, so that the output electrode base can conduct heat to the box through the heat conduction structure for heat dissipation, thereby effectively improving the heat dissipation efficiency of the output electrode base, realizing the heat acceleration heat dissipation to the heat generated at the connection position of the output electrode and the electric connection structure, further reducing the temperature rise at the connection position of the output electrode and the electric connection structure, and further reducing the probability of local overheating.

The battery disclosed by the embodiment of the application can be used as a power supply to be applied to electric equipment or used as an energy storage element to be applied to various energy storage systems. The powered device may be, but is not limited to, a cell phone, a tablet, a notebook computer, an electric toy, an electric tool, a battery car, an electric automobile, 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 embodiments take a powered 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 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 100 according to some embodiments of the present application. The battery 100 includes a case 10 and a battery module 20, the battery module 20 being accommodated in the case 10; the battery module 20 has a module structure in which a plurality of battery cells 21 are arranged in parallel and connected in series by a flow guide. The case 10 is used to provide a receiving space for the battery module 20, and the case 10 may have various structures. In some embodiments, the case 10 may include a first portion 11 and a second portion 12, the first portion 11 and the second portion 12 being overlapped with each other, the first portion 11 and the second portion 12 together defining an accommodating space for accommodating the battery module 20. The second portion 12 may be a hollow structure with an open end, for example, a hollow structure formed by connecting and enclosing a bottom plate and a side beam, and the first portion 11 may be a plate-shaped structure, where the first portion 11 covers the open side of the second portion 12, so that the first portion 11 and the second portion 12 together define an accommodating space; the first portion 11 and the second portion 12 may be hollow structures each having an opening at one side, for example, hollow structures each having an opening at one end formed by connecting and enclosing a bottom plate and a side beam, and the opening side of the first portion 11 is engaged with the opening side of the second portion 12. Of course, the case 10 formed by the first portion 11 and the second portion 12 may be of various shapes, such as a cylinder, a rectangular parallelepiped, or the like.

Referring to fig. 2 to 5, according to some embodiments of the present application, a battery 100 is provided, which includes a battery module 20, a case 10, an output electrode base 30, and a heat conductive structure 40; the battery module 20 is electrically connected with the output electrode 50, the box body 10 is provided with a containing cavity 101, the battery module 20 is contained in the containing cavity 101, the output electrode base 30 is arranged on the box body 10, the connecting end 51 of the output electrode 50 is arranged on the output electrode base 30, the heat conducting structure 40 is insulating, and the heat conducting structure 40 is connected with the output electrode base 30 and the box body 10; the output electrode base 30 is provided with a receiving portion 31 on a side facing the case 10, and at least a portion of the heat conducting structure 40 is received in the receiving portion 31.

The output electrode 50 is used for connecting an external electric connection structure 400 to perform charge and discharge, and the output electrode 50 can be a material piece with better conductive performance, such as a copper sheet, an aluminum sheet, a copper-aluminum composite material and the like; the output electrode 50 may be a copper busbar, for example.

The connection end 51 of the output electrode 50 is used for overlapping with the external electrical connection structure 400; for example, the connection terminals 51 of the output electrode 50 and the electrical connection structure 400 may be directly welded, or the connection terminals 51 and the electrical connection structure 400 may be lap-connected using a connection structure such as a bolt, a connection piece, or the like, to satisfy the purpose of the output electrode 50 for charge and discharge.

The connection end 51 of the output electrode 50 is arranged on the output electrode base 30; alternatively, the output pole 50 may be connected to the output pole base 30 by fasteners or a locking structure for achieving a snap lock attachment.

It should be understood that, in the case where the connection terminal 51 of the output electrode 50 and the electrical connection structure 400 are lap-connected to achieve electrical conduction, and the battery 100 is charged or discharged, since contact resistance is formed between the connection terminal 51 and the electrical connection structure 400 due to lap-locking, and the space on the peripheral side of the output electrode 50 is limited, a relatively high temperature rise is caused at the connection terminal 51, so that a relatively high temperature rise is caused at the connection terminal 51 of the output electrode 50.

The output pole mount 30 is mounted on the case 10, and the output pole mount 30 is used to provide a lap-joint assembly environment for the output pole 50.

Alternatively, the output pole mount 30 may be fixedly mounted to the housing 10 by fasteners, such as on a beam structure of the housing 10; or a fastener for connecting the connection end 51 of the output pole 50 and the electrical connection structure 400 may be provided through the output pole base 30 and connected to the case 10, so as to achieve a tight installation of the output pole base 30.

The heat conducting structure 40 is used for connecting the output pole base 30 and the box 10, so as to conduct heat on the output pole base 30 to the box 10 for rapid heat dissipation, and therefore the output pole base 30 can more efficiently conduct out heat generated by the connecting end 51, so as to reduce temperature rise at the connecting end 51.

It should be understood that the heat conducting structure 40 has better heat conducting performance, and the material of the heat conducting structure 40 includes but is not limited to heat conducting silica gel, heat conducting rubber, heat conducting ceramic, etc. The thermally conductive structure 40 includes, but is not limited to, various configurations of thermally conductive strips, plates, columns, and the like.

Optionally, a heat conducting structure 40 may be disposed between the output pole mount 30 and the case 10 for the purpose of conducting heat on the output pole mount 30 to the case 10; or the heat conducting structure 40 may also be disposed on the peripheral side of the output pole base 30 or at the edge of the output pole base 30, so that the heat conducting structure 40 contacts the output pole base 30 and the case 10 at the same time, and the purpose of conducting the heat on the output pole base 30 to the case 10 can be achieved.

The number of the heat conducting structures 40 may be one, and each output electrode base 30 is provided with one heat conducting structure 40 to connect with the box 10, so as to achieve the purpose of contact heat dissipation; or the number of the heat conducting structures 40 can be any number of two or more, and each output electrode base 30 can be connected to the box 10 through the plurality of the heat conducting structures 40 respectively, so as to effectively improve the heat dissipation efficiency of the output electrode base 30.

The accommodating portion 31 is configured to accommodate at least a portion of the heat conducting structure 40, so that when the heat conducting structure 40 is disposed between the output pole base 30 and the case 10, the impact of the heat conducting structure 40 on the elevating of the output pole base 30 is effectively improved.

Alternatively, the receiving portion 31 may receive a portion of the thermally conductive structure 40, or the thermally conductive structure 40 may be completely received within the receiving portion 31.

The accommodating portion 31 includes, but is not limited to, a groove structure, a hole structure (a countersunk hole or a through hole) and the like formed on the output electrode base 30; the number of the accommodating portions 31 may be one or any of more than one; when the number of the accommodating portions 31 is plural, each accommodating portion 31 can be used for accommodating different heat conducting structures 40, so as to realize the heat conducting effect of the plurality of heat conducting structures 40 on the output electrode base 30.

By providing the accommodating portion 31 on the side of the output electrode base 30 facing the case 10 to accommodate at least a portion of the heat conducting structure 40, the distance of the heat conducting structure 40 raised to the output electrode base 30 can be reduced, so as to reduce the thermal resistance effect of the heat conducting structure 40 on the output electrode base 30 and the case 10, thereby further improving the heat dissipation effect of the output electrode base 30 and effectively improving the temperature rise at the connecting end 51.

According to the battery 100 provided by the embodiment of the application, the heat conduction structure 40 is arranged, the heat conduction structure 40 is connected with the output electrode base 30 and the box body 10 at the same time, at least part of the heat conduction structure 40 is accommodated by arranging the accommodating part 31 at one side of the output electrode base 30 facing the box body 10, and the heat conduction structure 40 is utilized to conduct contact heat conduction on the output electrode base 30 so as to improve the heat conduction efficiency of the output electrode base 30 to the box body 10; therefore, the heat generated by the connection end 51 of the output electrode 50 can be more efficiently dissipated through the output electrode base 30, and the distance of the heat conduction structure 40 to the output electrode base 30 can be reduced by the accommodating portion 31, so as to reduce the thermal resistance influence of the heat conduction structure 40 to the output electrode base 30 and the box 10, thereby effectively reducing the temperature rise at the connection end 51 and reducing the probability of local overheating.

Referring to fig. 3 to 5, in some embodiments, the accommodating portion 31 includes an avoidance groove (not shown in the drawings), and the output electrode base 30 is recessed toward one side surface of the case 10 to form the avoidance groove, and at least part of the heat conducting structure 40 is accommodated in the avoidance groove.

The number of the avoidance grooves can be one, two or more than two; the avoiding groove can be, but is not limited to, a rectangular groove, a circular groove, an arc groove and other groove body structures.

Part of the heat conducting structure 40 can be accommodated in the avoidance groove, and the other part of the heat conducting structure 40 can extend out of the avoidance groove and be abutted against the box body 10; or the heat conducting structure 40 may be completely accommodated in the avoidance groove, and the heat conducting structure 40 may be in contact with the case 10 at the notch of the avoidance groove to achieve heat conduction.

So set up, the at least part of heat conduction structure 40 can be held in dodging the inslot to can alleviate heat conduction structure 40 effectively and lead to the output utmost point base 30 to be lifted the degree, with the thermal resistance influence that reduces heat conduction structure 40 to output utmost point base 30 and box 10 between, consequently can further improve the radiating effect of output utmost point base 30, the temperature rise of link 51 department can effectively be improved.

Referring to fig. 5, in some embodiments, the accommodating portion 31 includes a avoidance hole 311 formed on a surface of the output electrode base 30 facing the case 10, and at least a portion of the heat conducting structure 40 is inserted into the avoidance hole 311.

The number of the avoiding holes 311 may be one, two or more than two; the relief holes 311 may be, but are not limited to, circular holes, rectangular holes, or shaped holes, etc. The relief hole 311 may be a through hole or a counter bore.

At least part of the heat conducting structure 40 is inserted into the avoiding hole 311; alternatively, the heat conducting structure 40 may be partially inserted into the avoidance hole 311, and one end of the heat conducting structure 40 extends out of the avoidance hole 311 and abuts against the case 10; or in the case that the avoidance hole 311 is a through hole, the heat conducting structure 40 may be partially inserted into the avoidance hole 311, and one end of the heat conducting structure 40 extends out of the avoidance hole 311 and abuts against the connection end 51 or is locked and overlapped with the electrical connection structure 400 of the connection end 51; or in the case that the avoidance hole 311 is a through hole, the heat conducting structure 40 can be completely accommodated in the avoidance hole 311, and the heat conducting structure 40 contacts with the box 10 at one end hole of the avoidance hole 311, and the heat conducting structure 40 contacts with the connecting end 51 or the electric connecting structure 400 which is in locking lap joint with the connecting end 51 at the opposite end hole of the avoidance hole 311.

So set up, heat conduction structure 40's at least part can insert and locate in dodging hole 311 to can alleviate heat conduction structure 40 effectively and lead to output utmost point base 30 by the degree of bed hedgehopping, with reduce heat resistance influence between heat conduction structure 40 to output utmost point base 30 and box 10, consequently can further improve the radiating effect of output utmost point base 30.

Referring to fig. 5, in some embodiments, the avoidance hole 311 penetrates through the output electrode base 30, one end of the avoidance hole 311 is opened toward the case 10, the other opposite end of the avoidance hole 311 is opened toward the connection end 51, the heat conducting structure 40 has insulation property, and the heat conducting structure 40 abuts against the connection end 51.

The avoiding hole 311 penetrates through the output electrode base 30; alternatively, the avoidance hole 311 may penetrate along the thickness direction of the output pole base 30, or the avoidance hole 311 may penetrate along the thickness direction intersecting with the output pole base 30, and only the two opposite end openings of the avoidance hole 311 may face the connection end 51 and the case 10 respectively.

In this embodiment, the heat conducting structure 40 may extend out of the avoidance hole 311 and abut against the connection end 51; therefore, the heat conducting structure 40 can conduct the heat on the output electrode base 30 to the box body 10 for heat dissipation, and meanwhile, the heat conducting structure 40 can conduct the heat on the connecting end 51 of the output electrode 50 to the box body 10 for heat dissipation.

So set up, heat conduction structure 40 can be with the direct conduction of the heat on the link 51 to box 10 dispel the heat, can promote the radiating efficiency of link 51 department effectively, and then improve the temperature rise of link 51 department effectively.

Referring to fig. 5 and 6, in some embodiments, an end of the thermally conductive structure 40 facing the case 10 is flush with an end side of the output electrode base 30 facing the case 10.

It will be appreciated that the output pole mount 30 is mounted to the housing 10, for example, it may be mounted to a beam structure of the housing 10; therefore, the output electrode mount 30 is abutted against the case 10 (or a beam structure on the case 10) toward the end side surface of the case 10.

By arranging such that the end of the heat conduction structure 40 facing the case 10 is flush with the end side of the output electrode base 30 facing the case 10, when the output electrode base 30 is abutted to the case 10 for assembly, the heat conduction structure 40 can also be abutted to the case 10 and achieve contact heat conduction, i.e., the heat conduction structure 40 does not occupy the space between the output electrode base 30 and the case 10 additionally, and the heat conduction structure 40 does not form a gap between the output electrode base 30 and the case 10; thus, the heat conduction structure 40 has a low influence on the thermal resistance between the output electrode mount 30 and the case 10, so that the heat conduction efficiency of the output electrode mount 30 to the case 10 can be further improved.

Referring to fig. 5 and 6, in some embodiments, the connecting end 51 is provided with a locking structure 60, the heat conducting structure 40 is provided with a through hole 41, and the locking structure 60 is disposed through the through hole 41 and connected to the case 10.

The locking structure 60 is used for overlapping and conducting the connection end 51 of the output electrode 50 and the external electrical connection structure 400, and the locking structure 60 can be fixedly connected to the box 10 to realize overlapping and locking of the connection end 51 and the electrical connection structure 400.

The heat conducting structure 40 is provided with a through hole 41 for the penetration of the locking structure 60.

Optionally, the locking structure 60 includes, but is not limited to, a screw, bolt, or other connection structure; illustratively, taking the example that the locking structure 60 includes a bolt structure, the outer surface of the bolt structure may be insulated such that the bolt structure is insulated at a portion other than the connection end 51 and the electrical connection structure 400, so that the bolt structure may overlap-lock the connection end 51 and the electrical connection structure 400 to the output pole base 30 or pass through the output pole base 30 and be locked to the beam structure of the box 10.

The output electrode base 30 can conduct heat to the box body 10 through the heat conducting structure 40 to dissipate heat, and meanwhile, the locking structure 60 can conduct heat to the box body 10 through the heat conducting structure 40 to dissipate heat, so that heat dissipation efficiency is improved; meanwhile, the influence of the heat conduction structure 40 accommodated in the avoidance hole 311 on the heightened output electrode base 30 is lower, and the locking structure 60 can penetrate through the through hole 41 of the heat conduction structure 40, namely, the influence of the heat conduction structure 40 on the distance between the locking structure 60 and the box body 10 is lower, so that the influence on the thermal resistance between the locking structure 60 and the box body 10 can be effectively reduced, the heat dissipation efficiency of the connecting end 51 is further improved, and the temperature rise of the connecting end 51 is further effectively reduced.

Referring to fig. 5, in some embodiments, the thermally conductive structure 40 comprises a piece of flexible material.

Illustratively, the soft material pieces include, but are not limited to, polytetrafluoroethylene, silicon dioxide, and the like, which have better heat conducting properties.

So set up, soft material spare is according to its soft characteristic and the assembly of being easier, and soft material spare can also have certain cushioning effect, can play certain cushioning effect between box 10 and the output polar base 30.

Referring to fig. 5, in some embodiments, the thermally conductive structure 40 comprises any one of thermally conductive silicone, thermally conductive rubber, thermally conductive acrylic.

The heat-conducting silica gel can be, but is not limited to, a heat-conducting silica gel block, a heat-conducting silica gel pad, a heat-conducting silica gel column and other structures; the heat-conducting rubber can be, but is not limited to, structures such as heat-conducting rubber blocks, heat-conducting rubber pads, heat-conducting rubber columns and the like; the thermally conductive acrylic may be, but is not limited to, structures such as thermally conductive acrylic blocks, thermally conductive acrylic pads, thermally conductive acrylic columns, and the like.

Wherein, the heat conductive structure 40 may include one of heat conductive silica gel, heat conductive rubber, and heat conductive acrylic; or the heat conducting structure 40 can also comprise a plurality of heat conducting silica gel, heat conducting rubber and heat conducting acrylic, and the plurality of heat conducting structures 40 can be connected into a whole in a stacking or nesting mode.

So set up, can utilize heat conduction silica gel, heat conduction rubber, heat conduction acrylic acid to carry out the contact heat conduction to improve the radiating effect, reduce the temperature rise of link 51 department.

Referring to fig. 5, in some embodiments, the heat conducting structure 40 includes a heat conducting layer and an insulating layer covering the heat conducting layer, and the insulating layer is connected to the output electrode base 30 and the case 10.

Wherein the insulating layer body can be, but is not limited to, an insulating rubber layer, an insulating silica gel layer and the like; the heat conducting layer body can be, but is not limited to, heat conducting graphite, heat conducting ceramic and the like; the insulating layer body is coated on the heat conducting layer body, so that the heat conducting structure 40 has insulativity on the basis of heat conduction.

So set up, realize heat conduction purpose through the heat conduction layer body to satisfy the insulativity through the insulating layer body, so that heat conduction structure 40 is carrying out the in-process of heat conduction, and the probability of taking place the electric leakage is lower.

Hereinafter, the battery 100 provided by the embodiment of the present application will be described in detail according to specific embodiments.

Referring to fig. 2 to 6, in the present embodiment, a battery 100 includes a case 10, a battery module 20 accommodated in an accommodating cavity 101 of the case 10, an output electrode base 30 disposed on the case 10, and a heat conductive structure 40 connecting the case 10 and the output electrode base 30 at the same time; the battery module 20 is provided with the output electrode 50, and the connection end 51 of the output electrode 50 may be overlapped with the external electrical connection structure 400 through the locking structure 60.

The output electrode base 30 may be provided with a receiving portion 31, where the receiving portion 31 includes a relief hole 311, one end of the relief hole 311 faces the connection end 51 of the output electrode 50, and the other end of the relief hole 311 faces the case 10. The heat conducting structure 40 may be a heat conducting block made of heat conducting silica gel material, heat conducting rubber material, etc.; the heat conducting structure 40 is provided with a through hole 41.

During assembly, the heat conducting structure 40 is accommodated in the avoidance hole 311, the influence of the heat conducting structure 40 on the assembly of the output electrode base 30 on the box body 10 is low, and when the output electrode base 30 is abutted to be installed on the beam structure of the box body 10, the heat conducting structure 40 can be abutted to the beam structure, so that the heat conducting structure 40 can conduct heat to the box body 10 to realize rapid heat dissipation. Meanwhile, after the connecting end 51 of the output electrode 50 and the external electric connecting structure 400 are lapped and locked by the locking structure 60, the locking structure 60 penetrates through the through hole 41 of the heat conducting structure 40 and is connected to the box body 10, the heat conducting structure 40 and the locking structure 60 can form contact, and the heat conducting structure 40 can conduct heat on the locking structure 60 to the box body 10 for heat dissipation. Therefore, the heat dissipation effect at the connection end 51 of the output electrode 50 is effectively improved, and the temperature rise at the connection end 51 is effectively reduced.

Referring to fig. 1 to 3, in a second aspect, an embodiment of the present application provides an electrical device, including a battery 100 as described above, where the battery 100 is used to provide electrical energy.

The electric equipment, such as the vehicle 1000, provided by the embodiment of the application includes the battery 100, and the probability of local temperature rise of the electric equipment is lower when the probability of local temperature rise of the battery 100 is lower.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims (10)

1. A battery, comprising:

The battery module is electrically connected with an output electrode;

The box body is provided with a containing cavity, and the battery module is contained in the containing cavity;

The output electrode base is arranged on the box body, and the connecting end of the output electrode is arranged on the output electrode base;

The heat conduction structure is connected with the output electrode base and the box body; and one side of the output electrode base, which faces the box body, is provided with a containing part, and at least part of the heat conducting structure is contained in the containing part.

2. The battery according to claim 1, wherein: the accommodating part comprises an avoidance groove, the output electrode base is sunken towards one side surface of the box body to form the avoidance groove, and at least part of the heat conducting structure is accommodated in the avoidance groove.

3. The battery according to claim 1, wherein: the accommodating part comprises an avoidance hole which is formed in the surface of one side of the output electrode base, which faces the box body, and at least part of the heat conducting structure is inserted into the avoidance hole.

4. A battery according to claim 3, wherein: the avoidance hole penetrates through the output electrode base, one end of the avoidance hole is provided with a hole towards the box body, and the other opposite end of the avoidance hole is provided with a hole towards the connecting end; the heat conducting structure is insulating and is abutted to the connecting end.

5. The battery according to claim 4, wherein: one end of the heat conducting structure, which faces the box body, is flush with the side face of the end, which faces the box body, of the output electrode base.

6. The battery according to claim 5, wherein: the connecting end is provided with a locking structure, the heat conducting structure is provided with a through hole, and the locking structure penetrates through the through hole and is connected with the box body.

7. The battery according to any one of claims 1 to 6, wherein: the thermally conductive structure includes a piece of soft material.

8. The battery according to claim 7, wherein: the heat conduction structure comprises any one of heat conduction silica gel, heat conduction rubber and heat conduction acrylic acid.

9. The battery according to any one of claims 1 to 6, wherein: the heat conduction structure comprises a heat conduction layer body and an insulating layer body wrapping the heat conduction layer body, and the insulating layer body is connected with the output electrode base and the box body.

10. An electrical consumer, characterized in that: a battery comprising a battery according to any one of claims 1 to 9 for providing electrical energy.