CN218602559U - Thermal management component, battery and electric device - Google Patents
Thermal management component, battery and electric device Download PDFInfo
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- CN218602559U CN218602559U CN202222491855.1U CN202222491855U CN218602559U CN 218602559 U CN218602559 U CN 218602559U CN 202222491855 U CN202222491855 U CN 202222491855U CN 218602559 U CN218602559 U CN 218602559U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The application provides a thermal management part, battery and power consumption device, thermal management part includes: the heat exchange tube comprises at least one first channel and at least one second channel, and the first channel and the second channel extend from one end to the other end of the heat exchange tube; the current collectors are arranged at two ends of the heat exchange tube; the shutoff piece, the tip opening that the shutoff piece was used for the shutoff first passageway to make first passageway and the inner chamber of the mass flow body not communicate, the second passageway communicates with the inner chamber of the mass flow body. In this application technical scheme, set up the tip opening of the first passageway of shutoff piece shutoff heat exchange tube for the inner chamber of first passageway and mass flow body does not communicate, thereby prevents heat transfer medium and gets into first passageway, effectively reduces the total content of heat transfer medium in the heat exchange tube, and the weight of heat exchange tube itself, thereby effectively reduces the weight of battery, reaches the light and subtracts the heavy purpose, is favorable to improving the weight energy density of battery.
Description
Technical Field
The utility model relates to a battery technology field particularly, relates to a heat management part, battery and electric installation.
Background
Energy conservation and emission reduction are the key points of sustainable development of the automobile industry, and electric vehicles become important components of the sustainable development of the automobile industry due to the advantages of energy conservation and environmental protection. For electric vehicles, battery technology is an important factor in its development.
In the battery technology, how to reduce the overall weight of the battery is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The application provides a heat management part, battery and consumer, and this heat management part can effectively reduce the weight of battery.
In a first aspect, the present application provides a thermal management component comprising: a heat exchange tube comprising at least one first channel and at least one second channel, each extending from one end to the other end of the heat exchange tube; the current collectors are arranged at two ends of the heat exchange tube; the shutoff piece, the tip opening that the shutoff piece was used for the shutoff first passageway to make first passageway and the inner chamber of the mass flow body not communicate, the second passageway communicates with the inner chamber of the mass flow body.
In the technical scheme, the second channel of the heat exchange tube is communicated with the inner cavity of the current collector, so that a heat exchange medium (a cooling medium or a heating medium for adjusting the temperature of the battery) is conveniently introduced into the second channel to adjust the temperature of the battery; in addition, the end opening of the first channel of the heat exchange tube is plugged by the plugging piece, so that the first channel is not communicated with the inner cavity of the current collector, and a heat exchange medium is prevented from entering the first channel.
According to some embodiments of the application, the shutoff piece covers the tip of heat exchange tube, is equipped with the through-hole on the shutoff piece, and the inner chamber and the second passageway of the mass flow body are gathered in the through-hole intercommunication.
Among the above-mentioned technical scheme, the shutoff piece covers the tip of whole heat exchange tube to through the through-hole intercommunication mass flow body and the second passageway of setting on the covering, the tip opening of the first passageway of the regional shutoff of not setting up the through-hole of shutoff piece, integral shutoff piece can effectively guarantee the shutoff effect to the second passageway, and simultaneously, simple structure, the installation operation of the shutoff piece of being convenient for is favorable to simplifying heat management part production assembly process.
According to some embodiments of the application, a closure comprises: the through hole is formed in the first body, and the first body comprises a first surface facing the heat exchange tube; the protrusion portion protrudes from the first surface and is inserted into the first channel.
Among the above-mentioned technical scheme, the shutoff piece includes the body and protrusion in the bulge of body, behind the tip of shutoff piece cover heat exchange tube, the bulge can at least partially insert first passageway, on the one hand, the bulge inserts first passageway and can carries out embedded shutoff to the tip of first passageway, thereby avoid the heat transfer medium in the second passageway to get into first passageway through the clearance that probably exists between shutoff piece and the heat exchange tube end, and then effectively reduce the requirement of the sealed first passageway of isolation of shutoff piece body and second passageway, full play shutoff effect of shutoff piece to first passageway. On the other hand, the arrangement of the protruding part plays a role in guiding and limiting the operation that the plugging piece covers the end part of the heat exchange tube, and the heat management components are conveniently installed in groups.
According to some embodiments of the present application, the number of the first channels and the number of the protrusions are each plural, the protrusions are disposed corresponding to the first channels, and each protrusion is inserted into the corresponding first channel.
Among the above-mentioned technical scheme, bulge and first passageway one-to-one set up, further improve the degree of agreeing with of bulge and first passageway, effectively guarantee the embedded shutoff effect of bulge to first passageway.
According to some embodiments of the present application, the number of the second channels and the number of the through holes are both plural, the through holes are disposed corresponding to the second channels, and each through hole is communicated with the corresponding second channel.
Among the above-mentioned technical scheme, the second passageway is equipped with a plurality ofly, is convenient for improve the homogeneity of heat transfer medium in the distribution of heat exchange tube to effectively guarantee the homogeneity of heat exchange tube to battery temperature regulation. The through holes correspond to the second channels one to one, the position relation of the plurality of second channels and the first channels is convenient to flexibly set, so that the through holes are convenient to communicate with the second channels, the heat exchange medium can be introduced into each second channel, and meanwhile, the flow uniformity of the heat exchange medium in all the second channels is improved.
According to some embodiments of the application, the number of the first channels and the number of the plugging pieces are both multiple, the plugging pieces are arranged corresponding to the first channels, and each plugging piece plugs the corresponding first channel.
Among the above-mentioned technical scheme, the heat exchange tube is provided with a plurality of first passageways to and the position of the interval distribution second passageway of being convenient for, effectively guarantee the homogeneity that heat transfer medium distributes in the heat exchange tube, the shutoff piece sets up a plurality of and the first passageway of one-to-one shutoff, such shutoff piece structure is more nimble, be convenient for adjust the shutoff position of shutoff piece in a flexible way, and be convenient for visual observation, detect the shutoff effect of every shutoff piece to first passageway, thereby effectively improve the shutoff tightness of shutoff piece to first passageway.
According to some embodiments of the application, the thermal management component further comprises: the mounting seat is arranged between the current collector and the heat exchange tube, welded with the heat exchange tube and clamped with the current collector.
Among the above-mentioned technical scheme, heat management part includes the mount pad, and the current collector of being convenient for of the setting of mount pad adopts the mode of joint to connect in the heat exchange tube, effectively improves heat management part's structural flexibility, the dismouting of being convenient for is maintained.
According to some embodiments of the application, the mount includes: the second body is annular and is sleeved at the end part of the heat exchange tube; a plurality of joint portions, along the circumference interval distribution of second body, a plurality of joint portions and mass flow body joint.
Among the above-mentioned technical scheme, the second body is the annular and the cover locates the tip of heat exchange tube, the location of the mount pad of being convenient for, and the inner circle of second body provides for the intercommunication of mass flow body what heat exchange tube and dodges the space. A plurality of joint portion joint mass flow bodies that distribute along its circumference on the second body play the installation fixed action to the mass flow body.
According to some embodiments of the application, the mass flow body includes the cover body and flange portion, and flange portion sets up in the open end of the cover body, and a plurality of joint portions buckle and joint in flange portion.
Among the above-mentioned technical scheme, the open end of the cover body of mass flow body sets up flange portion, and the installation of the mass flow body of being convenient for of flange portion is fixed, and a plurality of joint portions buckle the straining in flange portion, can with mass flow body and mount pad joint, its simple structure, and connection stability after the joint is strong.
According to some embodiments of the present application, the thermal management component further comprises: and a first sealing member disposed between the flange portion and the second body.
Among the above-mentioned technical scheme, set up first sealing member between the flange portion of mass flow body and the second body of mount pad, the weeping appears unusually after avoiding mass flow body and mount pad joint, effectively guarantees the leakproofness between mass flow body and the mount pad.
According to some embodiments of the application, the second body has a second surface facing the flange portion, the flange portion has a third surface facing the second body, at least one of the second surface and the third surface is provided with an annular groove extending in a circumferential direction of the second body, and at least a portion of the first seal is embedded in the annular groove.
Among the above-mentioned technical scheme, at least one of flange portion and second body sets up the annular groove, and the annular groove extends along the circumference of annular second body, and the annular groove plays limiting displacement to first sealing member, effectively guarantees the rigidity of first sealing member to effectively guarantee the leakproofness between mass flow body and the mount pad.
According to some embodiments of the application, the closure is provided at an inner ring of the second body.
In the technical scheme, the plugging piece is arranged on the inner ring of the second body, so that the installation seat is effectively prevented from forming position interference on the plugging piece, meanwhile, the space occupancy rate of the plugging piece and the installation seat in the axial direction of the heat exchange tube is effectively reduced, and the structural compactness of the heat management part is improved.
According to some embodiments of the application, the mounting seat is integrally formed with the closure.
Among the above-mentioned technical scheme, mount pad and shutoff piece integrated into one piece can effectively simplify the structure of thermal management part, and then effectively simplify the manufacturing process of thermal management part, reduce a plurality of parts and install in the heat exchange tube many times and cause the risk of heat exchange tube deformation to effectively improve the stability of the overall structure of thermal management part.
According to some embodiments of the application, the mounting block is fixedly connected with the blocking piece.
Among the above-mentioned technical scheme, mount pad and shutoff piece fixed connection, the mount pad plays the fixed position effect to the shutoff piece, effectively avoids the shutoff piece to drop from the heat exchange tube to effectively improve the structural stability of whole heat management part.
According to some embodiments of the application, the closure is integrally formed with the current collector.
Among the above-mentioned technical scheme, the shutoff piece and the mass flow body integrated into one piece, install the mass flow body in the heat exchange tube after, with the end opening of the first passageway of the synchronous shutoff heat exchange tube of mass flow body integrated into one piece's shutoff of shutoff piece, the structure of heat management part can effectively be simplified equally to such design, and then effectively simplify the manufacturing and assembling technology of heat management part, reduce a plurality of parts and install in the heat exchange tube many times and cause the risk of heat exchange tube deformation to effectively improve the stability of the overall structure of heat management part.
In a second aspect, the present application provides a battery comprising: a box body; the battery monomer is arranged in the box body; the thermal management component of any of the above aspects, the thermal management component is disposed in the case, and the thermal management component is configured to contain a fluid to regulate the temperature of the battery cell.
In the technical scheme, the heat management component is arranged in the box body and used for adjusting the temperature of the battery monomer, and the weight of the battery can be effectively reduced by adopting the heat management component in any scheme.
According to some embodiments of the present application, a battery includes a plurality of battery cells arranged in a plurality of rows, each row of the battery cells being disposed between two adjacent thermal management members, and a plurality of thermal management members.
In the technical scheme, each row of battery cells of the battery is arranged between two adjacent heat management parts, and the heat management parts regulate the temperature of the battery cells adjacent to the heat management parts.
In a third aspect, the present application provides an electric device, comprising a battery according to any of the above aspects, the battery being configured to provide electric energy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
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 accordance with some embodiments of the present application;
FIG. 3 is an exploded view of a thermal management component provided by some embodiments of the present application;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a partial cross-sectional view of the current collector shown in fig. 4 attached to a heat exchange tube;
FIG. 6 is a schematic view of a closure and heat exchange tube according to some embodiments of the present disclosure;
FIG. 7 is a front view of a plug member covering the end of a heat exchanger tube according to some embodiments of the present disclosure;
FIG. 8 isbase:Sub>A partial sectional view taken along line A-A of FIG. 7;
fig. 9 is a view illustrating a fitting structure of a plugging member and a heat exchange tube according to still other embodiments of the present application.
An icon: 1000-a vehicle; 100-a battery; 10-a box body; 11-a first part; 12-a second part; 20-a battery cell; 30-a thermal management component; 31-heat exchange tubes; 311-a first channel; 312 — a second channel; 32-a closure; 321-a first body; 3211-a first surface; 322-a through hole; 323-a projection; 33-a mounting seat; 331-a second body; 3311-a second surface; 332-a snap-in part; 333-annular groove; 334-bottom wall; 335-side wall; 34-a current collector; 341-cover body; 342-a flange portion; 3421-a third surface; 35-a first seal; 200-a controller; 300-motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are merely used to more clearly illustrate the technical solutions of the present application, and therefore are only examples, and the protection scope of the present application is not limited thereby.
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 "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions.
In the description of the embodiments of the present application, the technical terms "first", "second", and the like are used only for distinguishing different objects, and are not to be construed as indicating or implying relative importance or implicitly indicating the number, specific order, or primary-secondary relationship of the technical features indicated. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase 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. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In the description of the embodiments of the present application, the term "and/or" is only one kind of association relationship describing an associated object, and means that three relationships may exist, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in 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 pieces" refers to two or more (including two).
In the description of the embodiments of the present application, the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships that are based on the orientations and positional relationships shown in the drawings, and are used for convenience in describing the embodiments of the present application and for simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application.
In the description of the embodiments of the present application, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.
In the present application, the battery cell may include a lithium ion secondary battery, a lithium ion primary battery, a lithium sulfur battery, a sodium lithium ion battery, a sodium ion battery, a magnesium ion battery, or the like, which is not limited in the embodiments of the present application. The battery cell may be a cylinder, a flat body, a rectangular parallelepiped, or other shapes, which is not limited in the embodiments of the present application. The battery cells are generally divided into three types in an encapsulation manner: the cylindrical battery monomer, the square battery monomer and the soft package battery monomer are also not limited in the embodiment of the application.
Reference to a battery in embodiments of the present application refers to a single physical module that includes one or more battery cells to provide higher voltage and capacity. For example, the battery mentioned in the present application may be a battery module or a battery pack, etc. The battery may include a case for enclosing one or more battery cells. The box can avoid liquid or other foreign matters to influence the charge or discharge of battery cells.
In battery technology, reducing the weight of a battery is of great significance for battery applications. Because the temperature of the battery has an important influence on the performance of the battery, the battery in the conventional technology is provided with a thermal management component to cool the battery or heat the battery in a low-temperature environment, so that the battery reaches a normal working temperature range.
The heat management component generally comprises a liquid inlet current collector, a liquid outlet current collector and a heat exchange tube arranged between the liquid inlet current collector and the liquid outlet current collector, wherein a heat exchange medium is introduced into the heat exchange tube through the liquid inlet current collector, circulates in the heat exchange tube and is discharged from the liquid outlet current collector, the heat exchange medium is a fluid, the fluid can be a cooling medium or a heating medium, and the fluid can circulate in the heat management component to adjust the temperature of the battery.
However, the applicant found that both the heat management member itself and the heat exchange medium introduced into the heat management member significantly increase the weight of the battery, which is disadvantageous to the weight reduction of the battery.
Based on the reasons, in order to reduce the influence of the heat management component on the weight of the battery while ensuring the regulation function of the heat management component on the temperature of the battery, through intensive research, the inventor of the application designs the heat management component, the heat management component comprises a heat exchange tube, a plugging piece and current collectors arranged at two ends of the heat exchange tube, a first channel and a second channel are arranged in the heat exchange tube, and the plugging piece plugs an end opening of the first channel so as to ensure that the first channel is not communicated with an inner cavity of the current collector and the second channel is communicated with the inner cavity of the current collector.
In the technical scheme, the second channel of the heat exchange tube is communicated with the inner cavity of the current collector, so that a heat exchange medium can be conveniently introduced into the second channel to regulate the temperature of the battery; the plugging piece enables the first passage to be not communicated with the inner cavity of the current collector, so that a heat exchange medium is prevented from entering the first passage, on one hand, the total content of the heat exchange medium in the heat exchange tube can be effectively reduced, and the weight of the heat exchange medium is reduced, on the other hand, the part, which is not introduced with the heat exchange medium, of the heat exchange tube is of a cavity structure, and the weight of the heat exchange tube can be effectively reduced, so that the weight of the battery can be effectively reduced through the whole heat management component, the purpose of light weight reduction is achieved, and the weight energy density of the battery is favorably improved.
The battery that has the thermal management part that this application embodiment discloses can be used for free cooling of battery or heating, but not be limited to in consumer such as vehicle, boats and ships or aircraft that the battery that has the thermal management part that this application embodiment discloses can use the battery that possesses the thermal management part that this application discloses to constitute this consumer's power supply system, like this, the thermal management part can be for the battery cooling, also can heat up for the battery that works under low temperature environment, makes the battery monomer reach the operating range temperature, in order to normal power supply.
The embodiment of the application provides an electric device using a battery as a power supply, wherein the electric device can be but is not limited to a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, a battery car, an electric automobile, a ship, a spacecraft and the like. The electric toy may include a stationary or mobile electric toy, such as a game machine, an electric car toy, an electric ship toy, an electric airplane toy, and the like, and the spacecraft may include an airplane, a rocket, a space shuttle, a spacecraft, and the like.
For convenience of description, the following embodiments take an example in which a power consuming apparatus according to an embodiment of the present application is a vehicle 1000.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle 1000 according to some embodiments of the present disclosure. The vehicle 1000 may be a fuel automobile, a gas automobile, or a new energy automobile, and the new energy automobile may be a pure electric automobile, a hybrid electric automobile, or a range-extended automobile, etc. The battery 100 is provided inside 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 serve as an operation power source of the vehicle 1000. The vehicle 1000 may further include a controller 200 and a motor 300, the controller 200 being configured to control the battery 100 to supply power to the motor 300, for example, for starting, navigation, and operational power requirements while the vehicle 1000 is traveling.
In some embodiments of the present application, the battery 100 may be used not only as an operating power source of the vehicle 1000, but also as a driving power source of the vehicle 1000, instead of or in part of fuel or natural gas, to provide driving power for the vehicle 1000.
Referring to fig. 2, fig. 2 is an exploded view of a battery 100 according to some embodiments of the present disclosure, where the battery 100 includes a case 10, a battery cell 20, and a thermal management member 30, and the battery cell 20 is accommodated in the case 10. The case 10 is used to provide a receiving space for the battery cells 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 cover each other, and the first portion 11 and the second portion 12 together define a receiving space for receiving the battery cell 20. The second part 12 may be a hollow structure with one open end, the first part 11 may be a plate-shaped structure, and the first part 11 covers the open side of the second part 12, so that the first part 11 and the second part 12 jointly define a containing space; the first portion 11 and the second portion 12 may be both hollow structures with one side open, and the open side of the first portion 11 may cover the open side of the second portion 12. Of course, the box 10 formed by the first portion 11 and the second portion 12 may have various shapes, such as a rectangular parallelepiped, a square cube, and the like.
In the battery 100, the number of the battery cells 20 may be multiple, and the multiple battery cells 20 may be connected in series or in parallel or in series-parallel, where in series-parallel refers to both series connection and parallel connection among the multiple battery cells 20. The plurality of battery cells 20 can be directly connected in series or in parallel or in series-parallel, and the whole formed by the plurality of battery cells 20 is accommodated in the box body 10; of course, the battery 100 may also be formed by connecting a plurality of battery cells 20 in series, in parallel, or in series-parallel to form a battery module, and then connecting a plurality of battery modules in series, in parallel, or in series-parallel to form a whole, and accommodating the whole in the case 10. The battery 100 may further include other structures, for example, the battery 100 may further include a bus member for achieving electrical connection between the plurality of battery cells 20.
Each battery cell 20 may be a secondary battery or a primary battery; but is not limited to, a lithium sulfur battery, a sodium ion battery, or a magnesium ion battery. The battery cell 20 may be cylindrical, flat, rectangular parallelepiped, or other shape.
The thermal management component 30 is disposed in the case 10, the thermal management component 30 may be located between the battery cells 20 and the case 10, and the thermal management component 30 may also be disposed between the battery cells 20 in two adjacent rows.
Referring to fig. 3-5, fig. 3 is an exploded view of a thermal management component according to some embodiments of the present application; FIG. 4 is an enlarged view of a portion of FIG. 3; fig. 5 is a partial cross-sectional view of the current collector shown in fig. 4 attached to a heat exchange tube. Some embodiments of the present application provide a thermal management member 30, the thermal management member 30 including a heat exchange tube 31, a current collector 34, and a blocking piece 32, the heat exchange tube 31 including at least one first passage 311 and at least one second passage 312, each of the first passage 311 and the second passage 312 extending from one end to the other end of the heat exchange tube 31. The current collectors 34 are disposed at both ends of the heat exchange pipe 31. The sealing member 32 is used to seal the end opening of the first passage 311, so that the first passage 311 is not communicated with the inner cavity of the current collector 34, and the second passage 312 is communicated with the inner cavity of the current collector 34.
As described above, the thermal management member 30 is configured to accommodate a fluid (heat exchange medium) to regulate the temperature of the battery cell 20, and in the case of cooling the battery cell 20, the thermal management member 30 may accommodate a cooling medium to regulate the temperature of the battery cell 20, and in this case, the thermal management member 30 may also be referred to as a cooling member, a cooling system, a cooling plate, a liquid cooling plate, or the like. In addition, the thermal management member 30 may also be used for heating, which is not limited in the embodiments of the present application.
The heat exchange tube 31 comprises at least one first channel 311 and at least one second channel 312, which means that the heat exchange tube 31 can be provided with one, two, three or more first channels 311 and second channels 312, and the number of the first channels 311 and the second channels 312 can be the same or different.
The cross section of the heat exchange tube 31 may be a conventional shape such as a circle, a rectangle, an ellipse, or other irregular shape, and the first channel 311 and the second channel 312 may be arranged linearly, in a matrix, in a circumferential direction, or the like.
As shown in fig. 3, in some embodiments, the heat exchange pipe 31 may be a flat pipe shape, and the heat exchange pipe 31 includes a plurality of first channels 311 and a plurality of second channels 312, and the plurality of first channels 311 and the plurality of second channels 312 are arranged in a width direction of the heat exchange pipe 31. The plurality of first channels 311 may be disposed adjacent to each other, and the plurality of first channels 311 and the plurality of second channels 312 may be alternately arranged. When the heat exchange tube 31 is applied to the battery 100, the surface of the heat exchange tube 31 perpendicular to the thickness direction of the heat exchange tube 31 can be used to contact the battery cell 20, and the heat management member 30 can reduce the fluid capacity in the heat management member 30 without changing the contact area with the battery cell 20, so that the heat exchange tube 31 has stable supporting, restraining and deformation resisting effects on the battery cell 20.
The current collectors 34 are arranged at two ends of the heat exchange tube 31, and fluid can circulate in the heat exchange tube 31 in a single direction, i.e. the fluid can enter from the current collector 34 at one end of the heat exchange tube 31 and then directly discharge from the current collector 34 at the other end of the heat exchange tube 31. Of course, the fluid may be discharged through the current collector 34 after being repeatedly circulated in the heat exchange tube 31.
The blocking piece 32 blocks the end opening of the first channel 311, which means that the blocking pieces 32 are provided at both ends of the heat exchange pipe 31 to block the openings of both ends of the first channel 311, thereby preventing the fluid from entering the first channel 311.
The second channel 312 is communicated with the inner cavity of the current collector 34, which means that a heat exchange medium can enter the second channel 312 through the current collector 34, so that the thermal management component 30 has a temperature regulation function.
The blocking piece 32 may be an integrated structure, and the blocking piece 32 is fixed to the end of the heat exchange tube 31 to block all the first channels 311. The blocking pieces 32 may also be separate structures corresponding to the first passages 311 one to one, and each of the blocking pieces 32 blocks one or a part of all the first passages 311.
The end opening of the first channel 311 of the heat exchange tube 31 is sealed by the sealing piece 32, so that the first channel 311 is not communicated with the inner cavity of the current collector 34, and the heat exchange medium is prevented from entering the first channel 311, on one hand, the total content of the heat exchange medium in the heat exchange tube 31 can be effectively reduced by the design, and the weight of the heat exchange medium is reduced, on the other hand, the part of the heat exchange tube 31, which is not introduced with the heat exchange medium, is of a cavity structure, and the weight of the heat exchange tube 31 can be effectively reduced, so that the weight of the battery 100 can be effectively reduced by the overall heat management component 30, the light weight reduction purpose is achieved, and the weight energy density of the battery 100 is favorably improved.
According to some embodiments of the present application, please refer to fig. 6, fig. 6 is a matching structure diagram of the plugging member and the heat exchange tube provided in some embodiments of the present application, the plugging member 32 covers an end portion of the heat exchange tube 31, a through hole 322 is provided on the plugging member 32, and the through hole 322 communicates an inner cavity of the current collector 34 and the second channel 312.
The plugging piece 32 covers the end of the heat exchange tube 31, the plugging piece 32 can also be connected with the heat exchange tube 31 in a welding, clamping and other modes, the shape of the plugging piece 32 can be the same as and matched with the shape of the end of the heat exchange tube 31, and of course, the shape of the plugging piece 32 can also be different from the shape of the end of the heat exchange tube 31. Illustratively, as shown in the figure, the heat exchange tube 31 is in the shape of a flat tube, and the shape of the blocking piece 32 is matched with the shape of the end part of the heat exchange tube 31.
The plugging member 32 covers the end of the heat exchange tube 31 to thereby plug the openings of the first and second passages 311 and 312 of the heat exchange tube 31, and a through-hole 322 is provided in the plugging member 32 to enable the second passage 312 to communicate with the current collector 34.
It is understood that the shape and size of the through hole 322 may be the same as and fit with the opening surface of the second channel 312, and of course, the shape of the through hole 322 may also be different from the opening surface of the second channel 312, and meanwhile, the opening surface of the through hole 322 may be smaller than the opening surface of the second channel 312, for example, the opening surface of the second channel 312 is rectangular, and the through hole 322 is circular with a diameter smaller than the side length of the opening surface of the second channel 312.
Illustratively, as shown in fig. 6, the opening surface of the second channel 312 has a diamond shape, and the through hole 322 has the same diamond shape.
The number of the second channels 312 may be one or more, each through hole 322 may communicate with one first channel 311 and the current collector 34, and each through hole 322 may also communicate with at least two second channels 312 and the current collector 34 which are adjacently disposed.
The plugging piece 32 covers the end part of the whole heat exchange tube 31, the current collector 34 and the second channel 312 are communicated through the through hole 322 arranged on the covering piece, the end opening of the first channel 311 is plugged in the area, not provided with the through hole 322, of the plugging piece 32, the plugging effect on the second channel 312 can be effectively ensured by the integral plugging piece 32, meanwhile, the structure is simple, the installation operation of the plugging piece 32 is facilitated, and the production and assembly process of the heat management component 30 is facilitated to be simplified.
With continuing reference to fig. 6 and further reference to fig. 7 and 8, according to some embodiments of the present application, fig. 7 is a front view of a plug member covering an end of a heat exchanger tube according to some embodiments of the present application; fig. 8 isbase:Sub>A partial sectional view in the direction ofbase:Sub>A-base:Sub>A in fig. 7. The block piece 32 includes a first body 321 and a protrusion 323, the through hole 322 is provided at the first body 321, and the first body 321 includes a first surface 3211 facing the heat exchange tube 31. The protrusion 323 protrudes from the first surface 3211 and is inserted into the first passage 311.
A protrusion 323 is provided at a position corresponding to the first channel 311 of the first surface 3211 of the first body 321 facing the heat exchange tube 31 (i.e., facing the first channel 311), and the block piece 32 covers the end of the heat exchange tube 31 while the protrusion 323 is inserted into the first channel 311.
It will be appreciated that the cross-section of the protrusion 323 may match the cross-section of the first channel 311, and the protrusion 323 may act as a secondary seal for the second channel 312. An annular second sealing member (not shown) may be provided between the outer circumferential surface of the protrusion 323 and the inner circumferential surface of the second passage 312 to seal between the protrusion 323 and the second passage 312.
The number of the first passages 311 may be one, two, three or more, and correspondingly, the number of the protrusions 323 may be one, two, three or more, and the protrusions 323 may correspond to the first passages 311 one by one.
The blocking piece 32 comprises a first body 321 and a convex part 323 protruding out of the body, after the blocking piece 32 covers the end part of the heat exchange tube 31, the convex part 323 can be at least partially inserted into the first channel 311, on one hand, the convex part 323 is inserted into the first channel 311 to perform embedded blocking on the end part of the first channel 311, so that a heat exchange medium in the second channel 312 is prevented from entering the first channel 311 through a gap possibly existing between the blocking piece 32 and the end part of the heat exchange tube 31, the requirement of the blocking piece 32 body for sealing and isolating the first channel 311 and the second channel 312 is further effectively reduced, and the blocking effect of the blocking piece 32 on the first channel 311 is fully exerted. On the other hand, the arrangement of the convex part 323 plays a role in guiding and limiting the operation of covering the end part of the heat exchange pipe 31 by the blocking piece 32, so that the heat management components 30 can be conveniently installed in groups.
According to some embodiments of the present application, the number of the first passages 311 and the number of the projections 323 are plural, the projections 323 are disposed corresponding to the first passages 311, and each of the projections 323 is inserted into the corresponding first passage 311.
The number of the first channels 311 is plural, the plural first channels 311 may be disposed adjacently or disposed at intervals, and accordingly, the number of the protrusions 323 is the same as that of the first channels 311, and the positions of the protrusions 323 on the first body 321 correspond to the positions of the first channels 311 on the heat exchange tubes 31 one by one.
The protruding portions 323 and the first channels 311 are arranged in a one-to-one correspondence manner, so that the fitting degree of the protruding portions 323 and the first channels 311 is further improved, and the embedded blocking effect of the protruding portions 323 on the first channels 311 is effectively ensured.
According to some embodiments of the present application, please continue to refer to fig. 6 to 8, the number of the second channels 312 and the number of the through holes 322 are multiple, the through holes 322 are disposed corresponding to the second channels 312, and each of the through holes 322 is communicated with the corresponding second channel 312.
The heat exchange tube 31 is provided with two, three or more second channels 312, and the plurality of second channels 312 may be disposed adjacently or at intervals. Accordingly, the number of the through holes 322 is the same as the number of the second channels 312, and the positions of the through holes 322 on the first body 321 correspond to the positions of the first channels 311 on the heat exchange tubes 31 one by one.
The plurality of second channels 312 are provided, which is convenient for improving the distribution uniformity of the heat exchange medium in the heat exchange tube 31, thereby effectively ensuring the uniformity of the heat exchange tube 31 in adjusting the temperature of the battery 100. The through holes 322 correspond to the second channels 312 one to one, so that the position relationship between the plurality of second channels 312 and the first channels 311 can be flexibly set, the through holes 322 can be conveniently communicated with the second channels 312, the heat exchange medium can be conveniently introduced into each second channel 312, and meanwhile, the flow uniformity of the heat exchange medium in all the second channels 312 can be improved.
According to still other embodiments of the present application, please refer to fig. 9, fig. 9 is a matching structure diagram of the plugging members and the heat exchange tubes provided in still other embodiments of the present application, the number of the first channels 311 and the number of the plugging members 32 are both multiple, the plugging members 32 are disposed corresponding to the first channels 311, and each plugging member 32 plugs the corresponding first channel 311.
Specifically, the heat exchange tube 31 is provided with two, three or more first channels 311, and the plurality of first channels 311 may be disposed adjacently or disposed at intervals. Correspondingly, the number of the plugging pieces 32 is the same as that of the first channels 311, and the plugging pieces 32 are in one-to-one correspondence, and each plugging piece 32 correspondingly plugs one first channel 311.
For example, the heat exchange tube 31 is provided with four first channels 311, and correspondingly, the plugging member 32 is provided with four, and one plugging member 32 correspondingly plugs one first channel 311.
The closure 32 may comprise a bottom wall 334 adapted to the cross-section of the first channel 311 and a side wall 335 arranged around the bottom wall 334, the side wall 335 being at least partly insertable into the first channel 311 to engage with the inner wall of the first channel 311.
In some embodiments, an annular third sealing member (not shown) may be disposed between the outer peripheral surface of the side wall 335 and the inner peripheral wall of the first passage 311 to ensure the sealing effect of the blocking member 32.
The heat exchange tube 31 is provided with a plurality of first channels 311, thereby the position of interval distribution second channel 312 is convenient for, the homogeneity that heat transfer medium distributes in the heat exchange tube 31 is effectively guaranteed, the shutoff piece 32 sets up a plurality of and the first channel 311 of one-to-one shutoff, such shutoff piece 32 structure is more nimble, be convenient for adjust the shutoff position of shutoff piece 32 in a flexible way, and be convenient for visual observation, detect every shutoff piece 32 to the shutoff effect of first channel 311, thereby effectively improve the shutoff tightness of shutoff piece 32 to first channel 311.
According to some embodiments of the present application, please refer to fig. 3 to 5 again, the thermal management component 30 further includes a mounting seat 33, the mounting seat 33 is disposed between the current collector 34 and the heat exchange tube 31, the mounting seat 33 is welded to the heat exchange tube 31, and the mounting seat 33 is clamped to the current collector 34.
Specifically, the mount 33 may be welded to the outer periphery of the end of the heat exchange tube 31, or may be welded directly to the end of the heat exchange tube 31. The mounting seat 33 may be a ring structure closed along the circumferential direction of the heat exchange tube 31, or may be a separate structure provided at intervals along the circumferential direction of the heat exchange tube 31.
The current collector 34 is connected to the mounting base 33 in various ways, for example, a hook may be disposed on the mounting base 33, a slot matched with the hook may be disposed on the current collector 34, and the mounting base 33 and the current collector 34 are connected to each other in a clamping manner through the hook and the slot structure.
The heat management component 30 comprises a mounting seat 33, the current collector 34 is connected to the heat exchange tube 31 in a clamping mode due to the arrangement of the mounting seat 33, the structural flexibility of the heat management component 30 is effectively improved, and the heat management component is convenient to disassemble, assemble and maintain.
According to some embodiments of the present application, as shown in fig. 4, the mounting seat 33 includes a second body 331 and a plurality of clamping portions 332, the second body 331 is annular, and the second body 331 is sleeved on an end portion of the heat exchange tube 31. The plurality of clamping portions 332 are distributed at intervals along the circumferential direction of the second body 331, and the plurality of clamping portions 332 are clamped with the current collector 34.
That is to say, the second body 331 is annularly sleeved on the outer periphery of the end of the heat exchange tube 31, the shape of the inner ring of the second body 331 can be adapted to the shape of the cross section of the heat exchange tube 31, for example, the heat exchange tube 31 is in a flat tube shape, and correspondingly, the second body 331 is in a structure similar to a rectangular frame.
Because the second body 331 is sleeved on the end portion of the heat exchange tube 31, the plurality of clamping portions 332 are distributed at intervals along the circumference of the second body 331, that is, the plurality of clamping portions 332 are arranged at intervals along the circumference of the heat exchange tube 31.
The plurality of clamping portions 332 may be uniformly distributed along the circumferential direction of the second body 331, and of course, the plurality of clamping portions 332 may also be non-uniformly distributed, and for example, the plurality of clamping portions 332 are uniformly distributed along the circumferential direction of the second body 331.
The form of the engaging portion 332 can be various, for example, the engaging portion 332 can be a hook, a claw, etc. as before. Illustratively, the snap-in portion 332 may be a deformable claw structure as described below.
The second body 331 is annular and is sleeved on the end of the heat exchange tube 31, so that the mounting seat 33 is conveniently positioned, and the inner ring of the second body 331 provides an avoiding space for the communication of the current collector 34 and the heat exchange tube 31. The plurality of clamping portions 332 distributed along the circumferential direction of the second body 331 are clamped with the current collector 34, so that the current collector 34 is installed and fixed.
According to some embodiments of the present application, as shown in fig. 4 and 5, the current collector 34 includes a cover 341 and a flange portion 342, the flange portion 342 is disposed at an open end of the cover 341, and the plurality of clamping portions 332 are bent and clamped to the flange portion 342.
Specifically, the cover 341 has an inner cavity and an opening end communicating with the inner cavity, and the flange portion 342 is a flange protruding from the outer periphery of the opening end of the cover 341.
The joint portion 332 can produce buckling deformation, specifically, as shown in the figure, the joint portion 332 can be a protrusion in the mounting base 33 can produce the column jack catch of buckling deformation, the open end of the cover 341 is buckled on the mounting base 33, the flange portion 342 is attached to the mounting base 33, and the plurality of joint portions 332 are distributed on the periphery of the flange portion 342. Then, one end of each clamping portion 332, which faces away from the mounting seat 33, is bent towards the center of the cover 341, so that one end of each clamping portion 332, which faces away from the mounting seat 33, abuts against the surface of the flange portion 342, which faces away from the mounting seat 33. Thus, the plurality of clamping portions 332 are clamped with the flange portion 342 to limit the current collector 34 on the mounting seat 33.
The open end of the cover body 341 of the current collector 34 is provided with a flange part 342, the flange part 342 is convenient for the installation and fixation of the current collector 34, and the plurality of clamping parts 332 are buckled and fastened on the flange part 342, so that the current collector 34 and the mounting seat 33 can be clamped, the structure is simple, and the connection stability after clamping is strong.
According to some embodiments of the present application, as shown in fig. 3-5, the thermal management component 30 further includes a first seal 35, the first seal 35 being disposed between the flange portion 342 and the second body 331.
Specifically, the second body 331 is annularly sleeved on the end of the heat exchange tube 31, and the flange 342 is also annularly configured, so as to avoid interference between the inner cavity of the current collector 34 and the communication of the second flow channel of the heat exchange tube 31. Correspondingly, first sealing member 35 can be the annular structure equally to make closed loop sealed between flange portion 342 and second body 331, avoid the fluid to spill through the joint department of current collector 34 and mount pad 33, simultaneously, the inner circle of first sealing member 35 provides dodge space for the intercommunication of current collector 34 and heat exchange tube 31.
The first sealing element 35 is arranged between the flange portion 342 of the current collector 34 and the second body 331 of the mounting seat 33, so that the risk of abnormal leakage after the current collector 34 is clamped with the mounting seat 33 can be reduced, and the sealing performance between the current collector 34 and the mounting seat 33 can be effectively ensured.
According to some embodiments of the present application, as shown in fig. 4, the second body 331 has a second surface 3311 facing the flange portion 342, the flange portion 342 has a third surface 3421 facing the second body 331, at least one of the second surface 3311 and the third surface 3421 is provided with an annular groove 333 extending along a circumferential direction of the second body 331, and at least a portion of the first seal 35 is embedded in the annular groove 333.
Specifically, the annular groove 333 may be provided only on the second surface 3311, the annular groove 333 may be provided only on the third surface 3421, or the annular groove 333 may be provided on both the second surface 3311 and the third surface 3421. Illustratively, an annular groove 333 is provided only on the second surface 3311, and the first seal 35 is snap-fitted into the annular groove 333.
At least one of the flange portion 342 and the second body 331 is provided with an annular groove 333, the annular groove 333 extends along the circumferential direction of the annular second body 331, the annular groove 333 limits the first sealing element 35, and the position fixation of the first sealing element 35 is effectively ensured, so that the sealing performance between the current collector 34 and the mounting seat 33 is effectively ensured.
According to some embodiments of the present application, the closure 32 is disposed at an inner ring of the second body 331.
Specifically, the second body 331 is annular and is sleeved at the end of the heat exchange tube 31, the end openings of the first channel 311 and the second channel 312 of the heat exchange tube 31 are both located in the inner ring of the second body 331, and the blocking piece 32 is arranged at the inner ring of the second body 331 to block the first channel 311.
The plugging piece 32 is arranged on the inner ring of the second body 331, so that the installation seat 33 is effectively prevented from forming position interference on the plugging piece 32, meanwhile, the space occupancy rate of the plugging piece 32 and the installation seat 33 in the axial direction of the heat exchange tube 31 is effectively reduced, and the structural compactness of the heat management component 30 is improved.
According to some embodiments of the present application, the mounting seat 33 is integrally formed with the blocking piece 32.
Specifically, the mount 33 is disposed between the current collector 34 and the heat exchange tube 31, and the mount 33 is welded to the heat exchange tube 31. And the closing member 32 is used for closing off the end opening of the second channel 312 of the heat exchange tube 31, and when the mounting seat 33 and the closing member 32 are integrally formed into an integral structure, the integral structure is welded to the heat exchange tube 31 and closes off the second channel 312 of the heat exchange tube 31.
Illustratively, the mounting seat 33 includes an annular second body 331 sleeved on the end of the heat exchange tube 31, and a plurality of clamping portions 332 disposed on the second body 331 and spaced apart from each other along the circumference of the second body 331. The plugging piece 32 covers the end of the heat exchange tube 31, a through hole 322 is arranged on the plugging piece 32, and the through hole 322 is communicated with the inner cavity of the current collector 34 and the second channel 312. The outer circumference of the blocking piece 32 has the same size as the inner circumference of the second body 331, and the blocking piece 32 is located at the inner circumference of the second body 331 and is integrally formed with the second body 331.
The mounting seat 33 and the blocking piece 32 are integrally formed, so that the structure of the heat management component 30 can be effectively simplified, the manufacturing process of the heat management component 30 is further effectively simplified, the risk that the heat exchange tube 31 is deformed due to the fact that a plurality of components are mounted on the heat exchange tube 31 for many times is reduced, and the stability of the whole structure of the heat management component 30 is effectively improved.
According to some embodiments of the present application, the mounting seat 33 is fixedly connected with the blocking piece 32.
Specifically, the mount 33 is disposed between the current collector 34 and the heat exchange tube 31, and the mount 33 is welded to the heat exchange tube 31, so that the relative position of the mount 33 and the heat exchange tube 31 is fixed. The plugging piece 32 is used for plugging an end opening of the second channel 312 of the heat exchange tube 31, and the mounting seat 33 is fixedly connected with the plugging piece 32, so that the mounting seat 33 can fix the position of the plugging piece 32, the plugging piece 32 is effectively prevented from falling off from the heat exchange tube 31, and the structural stability of the overall heat management component 30 is effectively improved.
According to some embodiments of the present application, the plug 32 is integrally formed with the current collector 34.
It is understood that the embodiment of the plug 32 integrally formed with the current collector 34 may vary depending on the embodiment of the plug 32.
Specifically, the current collector 34 has an inner cavity and an opening communicating with the inner cavity, and the plugging member 32 may be disposed at the opening of the current collector 34, and when the current collector 34 is mounted to the heat exchange tube 31, the plugging member 32 correspondingly plugs the second channel 312 of the heat exchange tube 31. Of course, the plugging member 32 may also be accommodated in the inner cavity of the current collector 34 and protrude from the inner surface of the current collector 34, and when the current collector 34 is mounted to the heat exchange tube 31, the plugging member 32 correspondingly plugs the second channel 312.
For example, based on an implementation form that "the plugging member 32 covers the end of the heat exchange tube 31, the plugging member 32 is provided with a through hole 322, and the through hole 322 communicates the inner cavity of the current collector 34 with the second channel 312", the plugging member 32 may be integrally formed on the opening surface of the current collector 34, the through hole 322 of the plugging member 32 communicates with the inner cavity of the current collector 34, when the current collector 34 is mounted at the end of the heat exchange tube 31 in a snap-fit manner, the plugging member 32 covers the end of the heat exchange tube 31, and the through hole 322 communicates the inner cavity of the current collector 34 with the second channel 312.
For another example, based on the implementation form that "the plugs 32 are disposed corresponding to the first passages 311, and each plug 32 corresponds to one first passage 311", the plugs 32 may be received in the inner cavity of the current collector 34 and protrude from the inner surface of the current collector 34, and extend toward the open end of the current collector 34 along the axial direction of the heat exchange tube 31, the end of the plug 32 may protrude out of the open surface of the current collector 34, and when the current collector 34 is mounted on the end of the heat exchange tube 31 in a snap-fit manner, the plugs 32 may be inserted into the first passages 311 to plug the first passages 311.
The plugging piece 32 and the current collector 34 are integrally formed, after the current collector 34 is installed on the heat exchange tube 31, the end opening of the first channel 311 of the heat exchange tube 31 is plugged by the plugging piece 32 integrally formed with the current collector 34, and by the design, the structure of the heat management component 30 can be effectively simplified, the manufacturing and assembling process of the heat management component 30 is further effectively simplified, the risk that the heat exchange tube 31 is deformed due to multiple installation of multiple components on the heat exchange tube 31 is reduced, and the stability of the overall structure of the heat management component 30 is effectively improved.
Some embodiments of the present application provide a battery 100, and the battery 100 includes a case 10, a battery cell 20, and the thermal management member 30 of any of the above aspects. Both the battery cell 20 and the thermal management member 30 are disposed within the case 10, and the thermal management member 30 serves to contain a fluid to regulate the temperature of the battery cell 20.
The case 10 may be any one of the cases 10, and the battery cells 20 may be any one of the battery cells 20. The thermal management member 30 may be disposed between the case 10 and the battery cell 20 to regulate the temperature of the battery cell 20. Of course, the thermal management member 30 may be disposed between two adjacent battery cells 20 to regulate the temperature of the battery cell 20 adjacent thereto.
The thermal management component 30 is disposed in the case 10 to regulate the temperature of the battery cell 20, and the weight of the battery 100 can be effectively reduced by using the thermal management component 30 according to any of the above embodiments.
According to some embodiments of the present application, the battery 100 includes a plurality of battery cells 20 and a plurality of thermal management members 30, the plurality of battery cells 20 being arranged in a plurality of rows, each row of battery cells 20 being disposed between two adjacent thermal management members 30.
It is understood that the shape of the outer surface of the heat exchange pipe 31 may be changed according to the shape of the battery cell 20, for example, if the battery cell 20 is a rectangular parallelepiped, the heat exchange pipe 31 may be a straight pipe having an outer surface with a plane parallel to the outer surface of the battery cell 20, and the outer surface of the heat exchange pipe 31 contacts the outer surface of the battery cell 20 to effectively increase the contact area. For another example, when the battery cell 20 has a cylindrical shape, the heat exchange tube 31 may have a wave shape to match the shape of the battery cell 20.
Of course, the outer surface of the heat exchange tube 31 may not be perfectly matched to the outer surface of the battery cell 20.
Each row of the battery cells 20 of the battery 100 is disposed between two adjacent thermal management members 30, and the thermal management members 30 perform temperature regulation on the battery cells 20 adjacent thereto.
Some embodiments of the present application provide an electric device, including the battery 100 of any of the above aspects, and the battery 100 is used for providing electric energy.
The electric device may be any one of the aforementioned devices using the battery 100.
According to some embodiments of the present application, referring to fig. 3-8, some embodiments of the present application provide a thermal management component 30, the thermal management component 30 including a heat exchange tube 31, a current collector 34, a mount 33, a first seal 35, and a plug 32. The heat exchange tube 31 includes a plurality of first passages 311 and a plurality of second passages 312, the first passages 311 and the second passages 312 each extend from one end to the other end of the heat exchange tube 31, two current collectors 34 are provided, and the two current collectors 34 are provided at both ends of the heat exchange tube 31. The sealing member 32 is used to seal the end opening of the first passage 311, so that the first passage 311 is not communicated with the inner cavity of the current collector 34, and the second passage 312 is communicated with the inner cavity of the current collector 34.
The mounting seat 33 is disposed between the current collector 34 and the heat exchange tube 31, the mounting seat 33 includes a second body 331 and a plurality of clamping portions 332, the second body 331 is annular, and the second body 331 is sleeved on the end portion of the heat exchange tube 31 and welded to the heat exchange tube 31. The plurality of catching portions 332 are spaced apart along the circumferential direction of the second body 331. The current collector 34 includes a cover 341 and a flange 342, the flange 342 is disposed at an opening end of the cover 341, and the plurality of engaging portions 332 are bent and engaged with the flange 342. The first seal 35 is disposed between the flange portion 342 and the second body 331.
The plugging piece 32 is arranged on the inner ring of the second body 331, the mounting seat 33 and the plugging piece 32 are integrally formed, the plugging piece 32 covers the end of the heat exchange tube 31, a through hole 322 is formed in the plugging piece 32, and the through hole 322 is communicated with the inner cavity of the current collector 34 and the second channel 312. The number of the second channels 312 and the number of the through holes 322 are both multiple, the through holes 322 are arranged corresponding to the second channels 312, and each through hole 322 is communicated with the corresponding second channel 312.
When the thermal management member 30 is assembled, a straight harmonica tube may be used as the heat exchange tube 31, and the second body 331 of the mounting seat 33 is sleeved on the end of the heat exchange tube 31, so that the first channel 311 is blocked by the blocking piece 32 integrally formed with the mounting seat 33. The second body 331 is welded to the heat exchange tube 31, and then the current collector 34 is clamped to the second body 331.
In actual production, the heat exchange tube 31 may be subjected to an air tightness test after the plugging piece 32 plugs the first passage 311, and after the plugging effect of the plugging piece 32 on the first passage 311 is confirmed, the current collector 34 is clamped to the mounting seat 33. After the mounting seat 33 is welded on the heat exchange tube 31, the current collector 34 is not connected to the heat exchange tube 31 in a welding mode, but connected to the heat exchange tube 31 in a clamping mode, so that the risks of deformation of the heat exchange tube 31 caused by multiple welding and attenuation of the first welding strength caused by multiple welding can be effectively reduced.
According to some embodiments of the present application, referring to fig. 3-5, some embodiments of the present application provide a thermal management component 30, the thermal management component 30 including a heat exchange tube 31, a current collector 34, a mount 33, a first seal 35, and a plug 32. The heat exchange tube 31 includes a plurality of first passages 311 and a plurality of second passages 312, the first passages 311 and the second passages 312 each extend from one end to the other end of the heat exchange tube 31, two current collectors 34 are provided, and two current collectors 34 are provided at both ends of the heat exchange tube 31. The sealing member 32 is used to seal the end opening of the first passage 311, so that the first passage 311 is not communicated with the inner cavity of the current collector 34, and the second passage 312 is communicated with the inner cavity of the current collector 34.
The mounting seat 33 is disposed between the current collector 34 and the heat exchange tube 31, the mounting seat 33 includes a second body 331 and a plurality of clamping portions 332, the second body 331 is annular, and the second body 331 is sleeved on the end portion of the heat exchange tube 31 and welded to the heat exchange tube 31. The plurality of catching portions 332 are spaced apart along the circumferential direction of the second body 331. The current collector 34 includes a cover 341 and a flange 342, the flange 342 is disposed at an opening end of the cover 341, and the plurality of engaging portions 332 are bent and engaged with the flange 342. The first seal 35 is disposed between the flange portion 342 and the second body 331.
The number of the plugging pieces 32 is the same as that of the first channels 311, the plugging pieces 32 are arranged corresponding to the first channels 311, and each plugging piece 32 plugs the corresponding first channel 311.
When assembling this thermal management part 30, can adopt straight mouth organ pipe as heat exchange tube 31, will block piece 32 joint one by one earlier or weld in heat exchange tube 31, make the first passageway 311 of block piece 32 shutoff, then establish the second body 331 cover of mount pad 33 at heat exchange tube 31 tip and with heat exchange tube 31 welding, it can on second body 331 to connect the mass flow body 34 at last.
Similarly, in actual production, the heat exchange tube 31 may be subjected to an air tightness test after the plugging member 32 plugs the first passage 311, and after the plugging effect of the plugging member 32 on the first passage 311 is confirmed, the current collector 34 is clamped to the mounting seat 33. After the mounting seat 33 is welded on the heat exchange tube 31, the current collector 34 is not connected to the heat exchange tube 31 in a welding mode, but connected to the heat exchange tube 31 in a clamping mode, so that the risks of deformation of the heat exchange tube 31 caused by multiple welding and attenuation of the first welding strength caused by multiple welding can be effectively reduced.
It should be noted that, in the case of conflict, the features in the embodiments of the present invention may be combined with each other.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (18)
1. A thermal management component, comprising:
a heat exchange tube comprising at least one first channel and at least one second channel, both the first channel and the second channel extending from one end to the other end of the heat exchange tube;
the current collectors are arranged at two ends of the heat exchange tube;
the plugging piece is used for plugging the end opening of the first passage so that the first passage is not communicated with the inner cavity of the current collector, and the second passage is communicated with the inner cavity of the current collector.
2. The thermal management component of claim 1, wherein the plugs cover the ends of the heat exchange tubes, and wherein the plugs are provided with through holes that communicate the inner cavity of the current collector with the second passages.
3. The thermal management component of claim 2, wherein said closure comprises:
the through hole is formed in the first body, and the first body comprises a first surface facing the heat exchange tube;
and the bulge part protrudes out of the first surface and is inserted into the first channel.
4. The thermal management member of claim 3, wherein said first channels and said projections are each a plurality of in number, said projections being disposed in correspondence with said first channels, each of said projections being inserted into a corresponding said first channel.
5. The thermal management component of claim 2, wherein the number of said second channels and the number of said through holes are each a plurality, said through holes being disposed in correspondence with said second channels, each of said through holes being in communication with a corresponding said second channel.
6. The thermal management member according to claim 1, wherein the number of said first passages and the number of said blocks each being plural, said blocks being disposed in correspondence with said first passages, each of said blocks blocking a corresponding said first passage.
7. The thermal management component of any of claims 1-6, further comprising:
the mounting seat, the mounting seat sets up the mass flow body with between the heat exchange tube, the mounting seat with the heat exchange tube welding, the mounting seat with the mass flow body joint.
8. The thermal management component of claim 7, wherein the mount comprises:
the second body is annular and is sleeved at the end part of the heat exchange tube;
a plurality of joint portions are followed the circumference interval distribution of second body, and is a plurality of joint portion with the mass flow body joint.
9. The thermal management component of claim 8, wherein the current collector comprises a cover body and a flange portion, the flange portion is disposed at an opening end of the cover body, and the plurality of clamping portions are bent and clamped to the flange portion.
10. The thermal management component of claim 9, further comprising:
a first seal disposed between the flange portion and the second body.
11. The thermal management component of claim 10, wherein the second body has a second surface facing the flange portion, the flange portion has a third surface facing the second body, at least one of the second surface and the third surface being provided with an annular groove extending circumferentially of the second body, at least a portion of the first seal being embedded within the annular groove.
12. The thermal management member of claim 8, wherein the closure is disposed at an inner ring of the second body.
13. The thermal management component of claim 7, wherein the mount is integrally formed with the plug.
14. The thermal management component of claim 7, wherein the mount is fixedly attached to the block piece.
15. The thermal management component of claim 1, wherein the block piece is integrally formed with the current collector.
16. A battery, comprising:
a box body;
the battery monomer is arranged in the box body;
the thermal management component of any of claims 1-15, disposed within the case, the thermal management component to contain a fluid to regulate a temperature of the battery cell.
17. The battery of claim 16, wherein the battery includes a plurality of the battery cells and a plurality of the thermal management members, the plurality of battery cells being arranged in a plurality of rows, each row of the battery cells being disposed between two adjacent thermal management members.
18. An electrical device comprising a battery according to claim 16 or 17 for providing electrical energy.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222491855.1U CN218602559U (en) | 2022-09-20 | 2022-09-20 | Thermal management component, battery and electric device |
Applications Claiming Priority (1)
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