CN216903128U

CN216903128U - Thermal management component, battery and electric device

Info

Publication number: CN216903128U
Application number: CN202220469112.1U
Authority: CN
Inventors: 侯跃攀
Original assignee: Contemporary Amperex Technology Co Ltd
Current assignee: Contemporary Amperex Technology Co Ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-05
Anticipated expiration: 2032-03-03
Also published as: WO2023164993A1

Abstract

The application provides a thermal management component comprising: the first collecting pipe comprises a first liquid inlet and outlet, a first flow passage and a second flow passage which are sequentially communicated, the first flow passage and the second flow passage both extend from the first end of the first collecting pipe to the second end of the first collecting pipe, the first liquid inlet and outlet is arranged at the first end, one end of the first flow passage is communicated with the first liquid inlet and outlet, and the other end of the first flow passage is communicated with the second flow passage; the second collecting pipe is parallel to the first collecting pipe at intervals and comprises a second liquid inlet and outlet and a third flow passage which are communicated with each other, and the second liquid inlet and outlet is arranged at one end, close to the first liquid inlet and outlet, of the second collecting pipe; and the plurality of heat exchange tubes are arranged between the first collecting pipe and the second collecting pipe side by side, one end of each heat exchange tube is communicated with the second flow channel, and the other end of each heat exchange tube is communicated with the third flow channel. The heat management component can effectively improve the uniformity of flow distribution of the heat exchange tube, so that the heat exchange uniformity of the heat management component is improved.

Description

Thermal management component, battery and electric device

Technical Field

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

Background

Energy conservation and emission reduction are the key points of sustainable development of the automobile industry, and the electric vehicle becomes an important component 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.

The temperature has an important influence on the performance of the battery, so the battery in the conventional technology is provided with a thermal management component for cooling the battery or heating the battery in a low-temperature environment so as to enable the battery to reach a normal working temperature range. However, the heat management component in the prior art has the problem of uneven heat exchange performance, which affects the uniformity of the temperature of the battery.

SUMMERY OF THE UTILITY MODEL

The application provides a heat management part, battery and electric installation, and this heat management part can effectively improve the heat transfer homogeneity, is favorable to promoting the temperature homogeneity of battery.

In a first aspect, the present application provides a thermal management component comprising: the first collecting pipe comprises a first liquid inlet and outlet, a first flow passage and a second flow passage which are sequentially communicated, the first flow passage and the second flow passage both extend from the first end of the first collecting pipe to the second end of the first collecting pipe, the first liquid inlet and outlet is arranged at the first end, one end of the first flow passage is communicated with the first liquid inlet and outlet, and the other end of the first flow passage is communicated with the second flow passage; the second collecting pipe is parallel to the first collecting pipe at intervals and comprises a second liquid inlet and outlet and a third flow passage which are communicated with each other, and the second liquid inlet and outlet is arranged at one end, close to the first liquid inlet and outlet, of the second collecting pipe; and the heat exchange tubes are arranged between the first collecting pipe and the second collecting pipe side by side, one end of each heat exchange tube is communicated with the second flow channel, and the other end of each heat exchange tube is communicated with the third flow channel.

In the above technical scheme, the heat management component includes a first collecting pipe and a second collecting pipe which are arranged at intervals, and a plurality of heat exchange tubes which are arranged between the first collecting pipe and the second collecting pipe side by side, the plurality of heat exchange tubes are communicated with each other in parallel through the first collecting pipe and the second collecting pipe, a first flow channel and a second flow channel which are arranged in parallel are arranged on the first collecting pipe, the first flow channel and the second flow channel are both extended from a first end of the first collecting pipe to a second end of the first collecting pipe, meanwhile, a first liquid inlet and outlet is arranged at a first end and communicated with the first flow channel, the second flow channel is communicated with the heat exchange tubes, that is, the first liquid inlet and outlet on the first collecting pipe is arranged at a first flow channel on one side far away from the heat exchange tubes. The second liquid inlet and outlet is positioned on the same side with the first liquid inlet and outlet, one of the first liquid inlet and outlet and the second liquid inlet and outlet is used for feeding liquid, and the other is used for discharging liquid. That is, the first header may be used for both the inlet header and the outlet header.

In the application, when the first collecting pipe is used for a liquid inlet collecting pipe, fluid enters a first flow channel through a first liquid inlet and outlet, flows to a second end along the first flow channel, enters a second channel, flows along the second channel, enters each heat exchange pipe, and is finally discharged through a second liquid inlet and outlet of the second collecting pipe; similarly, when the first collecting pipe is used for discharging liquid and collecting pipes, fluid in each heat exchange pipe enters the second flow channel and then flows to the second end along the length direction of the first collecting pipe, then turns back from the communication position of the second flow channel and the first flow channel, flows to the first end in the first flow channel and is discharged through the first liquid inlet and outlet.

The utility model provides a heat management part is through setting up first runner and second runner in first pressure manifold for the fluid can be in the feed liquor mass flow body or go out the liquid mass flow body in to keeping away from the one end distribution of first business turn over liquid mouth and second business turn over liquid mouth, thereby alleviate the heat exchange tube flow that is close to first end big, the heat exchange tube flow that is close to the second end is little problem, the flow difference between each heat exchange tube is reduced through the means of the path length that adopts balanced fluid to flow through every heat exchange tube, the homogeneity of the flow distribution of improvement heat exchange tube, in order to reach the effect that improves the heat transfer homogeneity of heat management part.

And, first business turn over liquid mouth and second business turn over liquid mouth all set up in first end, make things convenient for the maintenance of thermal management part, and with thermal management part assembly muscle battery box in the back, only need reserve one in one side of box and dodge the installation that the mouth can realize into the drain pipe and accomodate, avoid thermal management part to occupy too much space in the battery box, be favorable to improving the space utilization of battery.

In some embodiments, the first header includes a pipe body and a partition disposed within the pipe body and extending in a length direction of the pipe body, the partition dividing an inner space of the pipe body into the first flow passage and the second flow passage.

Among the above-mentioned technical scheme, first pressure manifold includes body and separator, separates into first runner and second runner with the inner space of body by the separator, and its simple structure easily processes, and the processing cost is low, and the practicality is strong.

In some embodiments, in the length direction of the pipe body, an end of the partition close to the second end has a gap with the pipe body, and the gap is used for communicating the first flow passage and the second flow passage.

Among the above-mentioned technical scheme, the separator has the clearance near having between one end and the body of second end, and the existence in clearance directly communicates first runner and second runner, can control the size in clearance through setting for separator length, also is the size of control first runner and second runner intercommunication department flow, implements simple structure easy machine-shaping.

In some embodiments, the tube body has a rectangular tube shape and includes top and bottom walls opposed to each other in a thickness direction of the tube body and first and second side walls opposed to each other in a width direction of the tube body, the partition being connected between the top and bottom walls.

Among the above-mentioned technical scheme, the body is the rectangle tubulose, and the rectangular pipe can form sufficient mounting area at its pipe wall on the one hand, the installation of the heat exchange tube of being convenient for, and on the other hand rectangular pipe can effectively increase the outer wall of body and the area of contact of part on every side, and like this, convenient spacing when assembling the thermal management part to the battery box, and avoid the body to occupy the inner space of too much battery box, structural stability and block adaptation nature are good.

In some embodiments, the partition includes a body portion, a first connection portion and a second connection portion, the first connection portion and the second connection portion respectively extend from both sides of the body portion in opposite directions, the first connection portion is connected to the top wall, and the second connection portion is connected to the bottom wall.

In the technical scheme, the separating element comprises a main body part and a first connecting part and a second connecting part which respectively extend from two sides of the main body part to opposite directions, so that the whole separating element is obliquely arranged in the tube body, the first connecting part and the second connecting part of the separating element can be abutted against two opposite inner angles of the tube body along the diagonal direction, the inner angles of the tube body play a role in limiting and supporting the separating element, and the structural stability and the connection stability of the separating element are effectively improved; meanwhile, the separator is obliquely arranged, so that the top wall, the bottom wall, the first side wall or the second side wall of the tube body can be effectively prevented from belonging to the first flow channel or the second flow channel, and the reduction of the installation area of the liquid inlet and outlet tube and the heat exchange tube of the tube body is avoided.

In some embodiments, the first fluid inlet and outlet is disposed in the top wall.

Among the above-mentioned technical scheme, first business turn over liquid mouth sets up in the roof, makes things convenient for the dismouting maintenance of liquid inlet and outlet pipe.

In some embodiments, the divider is tubular, the lumen of the divider forms the first flow passage, and the outer peripheral wall of the divider and the inner peripheral wall of the tube form the second flow passage therebetween.

Among the above-mentioned technical scheme, the separator can be the tubulose, that is to say, establishes the less tubular structure of fixed diameter at the internal cover of body, can separate first runner and second runner in the body, and on the one hand, the processing degree of difficulty is low and is convenient for implement, and on the other hand pipy separator structural strength itself is high, is favorable to further improving the structural stability of whole first pressure manifold to guarantee the functional stability of first pressure manifold.

In some embodiments, the heat exchange tube is a harmonica tube.

Among the above-mentioned technical scheme, the heat exchange tube uses the harmonica pipe, and the structure of harmonica pipe is favorable to further improving the heat balance of heat exchange tube in its width direction, and the harmonica tubular construction has great surface, is convenient for improve the area of contact of heat exchange tube and battery to improve the heat exchange effect of heat exchange tube to the battery.

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 preceding aspect, the thermal management component is disposed in the case, and the thermal management component is configured to contain a fluid to regulate a temperature of the battery cell.

In a third aspect, the present application provides an electrical device, such as a battery as described in the above aspects, for providing electrical energy.

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 will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

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 isometric view of a thermal management component provided by some embodiments of the present application;

FIG. 4 is a top view of a thermal management component provided by some embodiments of the present application;

FIG. 5 is a top view of a thermal management component provided in accordance with further embodiments of the present application;

FIG. 6 is a front view of a thermal management component provided by some embodiments of the present application;

FIG. 7 is a front view of the first header shown in FIG. 6;

FIG. 8 is a front view of a thermal management component provided in accordance with further embodiments of the present application.

Icon: 1000-a vehicle; 100-a battery; 10-a battery cell; 20-a box body; 21-a first part; 22-a second part; 23-a third portion; 30-a thermal management component; 31-a first header; 311-a tube body; 3111-a top wall; 3112-a bottom wall; 3113-a first sidewall; 3114-a second sidewall; 312-a separator; 3121-a body portion; 3122-a first connection; 3123-a first surface; 3124-a second connecting portion; 3125-a second surface; 313-a first flow channel; 314-a second flow channel; 315-gap; 316-first inlet/outlet; 32-a second header; 321-a third flow channel; 322-a second inlet/outlet; 33-heat exchange tubes; 34-a liquid inlet pipe joint; 35-a liquid outlet pipe joint; 200-a controller; 300-motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

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 "plurality" refers to two or more (including two).

In the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the directions or positional relationships indicated in the drawings, and are only for convenience of description of the embodiments of the present application and for simplicity of description, but do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, 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 specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are used in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection and signal connection; either directly or indirectly through intervening media, either internally or in any other relationship. 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 embodiments of the present application, like reference numerals denote like components, and in the different embodiments, detailed descriptions of the like components are omitted for the sake of brevity. It should be understood that the thickness, length, width and other dimensions of the various components in the embodiments of the present application and the overall thickness, length, width and other dimensions of the integrated device shown in the drawings are only exemplary and should not constitute any limitation to the present application.

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 referred to in the present application may include 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 charging or discharging of battery monomer.

The battery monomer comprises an electrode assembly and electrolyte, wherein the electrode assembly comprises a positive electrode plate, a negative electrode plate and a separation film. The battery cell mainly depends on metal ions to move between the positive pole piece and the negative pole piece to work. The positive pole piece includes anodal mass flow body and anodal active substance layer, and anodal active substance layer coats in anodal mass flow body's surface, and the anodal mass flow body protrusion in the anodal mass flow body that has coated anodal active substance layer of uncoated anodal active substance layer, and the anodal mass flow body that does not coat anodal active substance layer is as anodal utmost point ear. Taking a lithium ion battery as an example, the material of the positive electrode current collector may be aluminum, and the positive electrode active material may be lithium cobaltate, lithium iron phosphate, ternary lithium, lithium manganate, or the like. The negative pole piece includes negative pole mass flow body and negative pole active substance layer, and the negative pole active substance layer coats in the surface of negative pole mass flow body, and the negative pole mass flow body protrusion in the negative pole mass flow body of coating the negative pole active substance layer not coating the negative pole active substance layer, and the negative pole mass flow body of not coating the negative pole active substance layer is as negative pole utmost point ear. The material of the negative electrode current collector may be copper, and the negative electrode active material may be carbon, silicon, or the like. In order to ensure that the fuse is not fused when a large current is passed, the number of the positive electrode tabs is multiple and the positive electrode tabs are stacked together, and the number of the negative electrode tabs is multiple and the negative electrode tabs are stacked together. The material of the isolation film may be PP (polypropylene) or PE (polyethylene). In addition, the electrode assembly may have a winding structure or a lamination structure, and the embodiment of the present application is not limited thereto.

The temperature has an important influence on the performance of the battery, so the battery in the conventional technology is provided with a thermal management component for cooling the battery or heating the battery in a low-temperature environment so as to enable the battery to reach a normal working temperature range. However, the thermal management member of the related art has a problem in that the heat exchange performance is not uniform, thereby affecting the uniformity of the temperature of the battery.

The applicant researches and discovers that in actual use, after fluid enters a current collector, the fluid flows to a plurality of heat exchange tubes in a shunt mode, the heat exchange tubes are far away from a liquid inlet along the length direction of the current collector, the flow of the fluid is smaller, and therefore the problem that the flow distribution in each heat exchange tube distributed along the extension direction of the current collector is uneven, the heat exchange performance of the heat management component is uneven and the temperature difference in a battery is large is caused.

Based on the consideration, in order to solve the problem of uneven heat exchange performance of the heat management component, through research, the applicant designs a heat management component, wherein a first flow passage and a second flow passage which are parallel to each other are arranged on a first collecting pipe, the first flow passage and the second flow passage both extend from a first end of the first collecting pipe to a second end of the first collecting pipe, meanwhile, a first liquid inlet and outlet is formed in the first end and communicated with the first flow passage, the second flow passage is communicated with a heat exchange pipe, and namely, the first liquid inlet and outlet on the first collecting pipe is arranged on the first flow passage at one side far away from the heat exchange pipe. The second liquid inlet and outlet is positioned on the same side with the first liquid inlet and outlet, one of the first liquid inlet and outlet and the second liquid inlet and outlet is used for feeding liquid, and the other is used for discharging liquid. That is, the first header may be used for both the inlet header and the outlet header.

The utility model provides a heat management part is through setting up first runner and second runner in first pressure manifold for the fluid can be in the feed liquor mass flow body or go out the liquid mass flow body in to keeping away from the one end distribution of first business turn over liquid mouth and second business turn over liquid mouth, thereby alleviate the heat exchange tube flow that is close to first end big, the heat exchange tube flow who is close to the second end is little problem, the flow difference between each heat exchange tube is reduced through the means of the path length of balanced fluid flow through every heat exchange tube, improve the homogeneity of the flow distribution of the heat exchange tube of parallelly connected setting, in order to reach the effect that improves the heat transfer homogeneity of heat management part.

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 20, a battery cell 10, and a thermal management member 30, and the battery cell 10 is accommodated in the case 20. The case 20 is used to provide a receiving space for the battery cell 10, and the case 20 may have various structures. In some embodiments, the case 20 may include a first portion 21, a second portion 22, and a third portion 23 connecting the first portion 21 and the second portion 22, the first portion 21 and the second portion 22 being disposed opposite to each other, and the first portion 21, the second portion 22, and the third portion 23 together defining a receiving space for receiving the battery cell 10. The first and

second portions

21, 22 may be oppositely disposed plate-like structures, and the third portion 23 connects the first and

second portions

21, 22. Of course, the first, second and

third portions

21, 22 and 23 may form the case 20 in various shapes, such as a cylinder, a rectangular parallelepiped, and the like.

In the battery 100, the number of the battery cells 10 may be multiple, and the multiple battery cells 10 may be connected in series or in parallel or in series-parallel, where in series-parallel refers to that the multiple battery cells 10 are connected in series or in parallel. The plurality of single batteries 10 can be directly connected in series or in parallel or in series-parallel, and the whole formed by the plurality of single batteries 10 is accommodated in the box body 20; of course, the battery 100 may also be formed by connecting a plurality of battery cells 10 in series, in parallel, or in series-parallel to form a battery 100 module, and then connecting a plurality of battery 100 modules in series, in parallel, or in series-parallel to form a whole, and accommodating the whole in the case 20. 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 10.

Each battery cell 10 may be a secondary battery 100 or a primary battery 100; but is not limited to, the lithium-sulfur battery 100, the sodium-ion battery 100, or the magnesium-ion battery 100. The battery cell 10 may be cylindrical, flat, rectangular parallelepiped, or other shape.

Wherein the thermal management component 30 is disposed in the case 20, the thermal management component 30 may be located between the battery cell 10 and the case 20, and the thermal management component 30 is used for containing a fluid to regulate the temperature of the battery cell 10.

Referring to fig. 3, with further reference to fig. 4, fig. 3 is an isometric view of a thermal management component provided in some embodiments of the present application, and fig. 4 is a top view of a thermal management component provided in some embodiments of the present application. Some embodiments of the present disclosure provide a thermal management component 30, which includes a first header 31, a second header 32, and a plurality of heat exchange tubes 33, where the first header 31 includes a first liquid inlet and outlet 316, a first flow channel 313, and a second flow channel 314 that are sequentially communicated, the first flow channel 313 and the second flow channel 314 both extend from a first end of the first header 31 to a second end of the first header 31, the first liquid inlet and outlet 316 is disposed at the first end, one end of the first flow channel 313 is communicated with the first liquid inlet and outlet 316, and the other end is communicated with the second flow channel 314. The second collecting pipe 32 and the first collecting pipe 31 are parallel to each other and spaced from each other, and include a second liquid inlet/outlet 322 and a third flow channel 321 that are communicated with each other, and the second liquid inlet/outlet 322 is disposed at one end of the second collecting pipe 32 close to the first liquid inlet/outlet 316. A plurality of heat exchange tubes 33 are arranged side by side between the first header 31 and the second header 32, and each heat exchange tube 33 has one end communicating with the second flow channel 314 and the other end communicating with the third flow channel 321.

It is understood that the first end of the first header 31 refers to one end of the first header 31 along the length direction thereof, the second end of the first header 31 refers to the other end of the first header 31 along the length direction thereof, the first header 31 is used for introducing a fluid, and ports at the first end and ports at the second end of the first header 31 may be closed.

Specifically, referring to fig. 3, the first collecting pipe 31 and the second collecting pipe 32 are arranged at intervals along the first direction X, the length directions of the first collecting pipe 31 and the second collecting pipe 32 extend along the second direction Y, and the plurality of heat exchange tubes 33 are arranged at intervals along the second direction Y.

The phrase "the first header 31 includes a first liquid inlet and outlet 316, a first flow channel 313 and a second flow channel 314 that are sequentially communicated, and the first flow channel 313 and the second flow channel 314 both extend from a first end of the first header 31 to a second end of the first header 31" means that the first flow channel 313 and the second flow channel 314 both extend from the first end of the first header 31 to the second end of the first header 31, and finally communicate with each other near the second end.

The first header 31 and the second header 32 may be a structure of tube bodies 311 having a conventional shape, such as a circular tube, a rectangular tube, an oval tube, etc. Likewise, the heat exchange tube 33 may be a tube body 311 structure of a conventional shape, such as a circular tube, a rectangular tube, an oval tube, a harmonica tube, or the like.

The heat exchange tube 33 may be made of a metal material with excellent heat conductivity, such as aluminum, copper, etc., and the heat exchange tube 33 may be an aluminum tube.

The heat exchange tube 33, the first collecting pipe 31 and the second collecting pipe 32 may be fixedly connected by welding, screwing, or the like.

The first collecting pipe 31, the second collecting pipe 32 and the plurality of heat exchange pipes 33 are communicated to form a heat management device, fluid is introduced into the heat management device, and the heat management component 30 has a heat exchange function by controlling the temperature of the fluid. The fluid may be a cooling liquid, and the heat exchange function of the thermal manager is adjusted by controlling the heat of the cooling liquid, so that the thermal manager has a cooling function or a heating function.

One of the first collecting pipe 31 and the second collecting pipe 32 is used for introducing fluid into the plurality of heat exchange tubes 33 arranged side by side, and the other of the first collecting pipe 31 and the second collecting pipe 32 is used for collecting fluid flowing out of the plurality of heat exchange tubes 33 arranged side by side, that is, the first liquid inlet/outlet 316 can be used as a liquid inlet and a liquid outlet, and similarly, the second liquid inlet/outlet 322 can be used as a liquid inlet and a liquid outlet. Of course, when the first liquid inlet/outlet 316 is used as a liquid inlet, the second liquid inlet/outlet 322 is used as a liquid outlet. And when the first inlet/outlet 316 is used as a liquid outlet, the second inlet/outlet 322 is used as a liquid inlet. Of course, the thermal management component 30 may also include an inlet fitting and an outlet fitting, with the inlet fitting 34 being mounted at an inlet and the outlet fitting 35 being mounted at an outlet.

In some embodiments, referring to fig. 4, the first liquid inlet/outlet 316 is provided with a liquid inlet pipe joint 34, the second liquid inlet/outlet 322 is provided with a liquid outlet pipe joint 35, the fluid enters the first flow channel 313 through the first liquid inlet/outlet 316, circulates towards the second end along the length direction (i.e. Y direction) of the first collecting pipe 31, enters the second flow channel 314 near the second end, circulates in the second flow channel 314 and enters the plurality of heat exchange pipes 33, and the fluid which is divided into the plurality of heat exchange pipes 33 is merged into the third flow channel 321 of the second collecting pipe 32 and finally is discharged through the second liquid inlet/outlet 322, so that the path length of the fluid flowing through each heat exchange pipe 33 in the heat management part 30 is more uniform.

In still other embodiments, referring to fig. 5, fig. 5 is a top view of the thermal management component provided in still other embodiments of the present application, the first liquid inlet/outlet 316 is provided with a liquid outlet joint 35, the second liquid inlet/outlet 322 is provided with a liquid inlet joint 34, the fluid enters the third flow channel 321 through the second liquid inlet/outlet 322, flows through the third flow channel 321 and enters the plurality of heat exchange tubes 33, the fluid which is divided into the plurality of heat exchange tubes 33 flows into the second flow channel 314 of the first header 31, flows towards the second end along the length direction (i.e., Y direction) of the first header 31, enters the first flow channel 313 near the second end, and finally is discharged through the first liquid inlet/outlet 316, so that the path length of the fluid flowing through each heat exchange tube 33 in the thermal management component 30 is more uniform.

In the heat management component 30, the first flow channel 313 and the second flow channel 314 are arranged in the first collecting pipe 31, so that fluid can be distributed to one end far away from the first liquid inlet/outlet 316 and the second liquid inlet/outlet 322 in a liquid inlet current collector or a liquid outlet current collector, thereby alleviating the problems of large flow of the heat exchange pipe 33 close to the first end and small flow of the heat exchange pipe 33 close to the second end, reducing the flow difference among the heat exchange pipes 33 by adopting a means of balancing the path length of the fluid flowing through each heat exchange pipe 33, and improving the uniformity of flow distribution of the heat exchange pipes 33 arranged in parallel, so as to achieve the effect of improving the uniformity of heat exchange of the heat management component 30.

In some embodiments, referring to fig. 5 with further reference to fig. 6, fig. 6 is a front view of a thermal management component provided in some embodiments of the present application. The first header 31 includes a pipe body 311 and a partition 312, the partition 312 is disposed inside the pipe body 311 and extends in a length direction of the pipe body 311, and the partition 312 partitions an inner space of the pipe body 311 into a first flow passage 313 and a second flow passage 314.

It is understood that both ends of the pipe body 311 correspond to the first end and the second end of the first header 31, respectively, and the partition 312 is disposed in the pipe body 311 to extend from one end of the pipe body 311 corresponding to the first end to one end corresponding to the second end along the length direction of the pipe body 311.

Embodiments of the separator 312 may have various structures, such as a plate shape and a tube shape, and the plate-shaped separator 312 may have a planar shape, a curved shape, and the like.

The partition 312 and the tube 311 may be integrally formed, or may be fixedly connected by welding, and it is understood that, in order to ensure the mutual independence of the first flow passage 313 and the second flow passage 314, the connection part of the partition 312 and the inner peripheral wall of the tube 311 may be in a sealing connection.

The first header 31 includes a pipe body 311 and a partition 312, and the partition 312 divides the inner space of the pipe body 311 into a first flow channel 313 and a second flow channel 314.

In some embodiments, as shown in fig. 5, in the length direction of the tube 311, a gap 315 is formed between one end of the partition 312 near the second end and the tube 311, and the gap 315 is used for communicating the first flow channel 313 and the second flow channel 314.

The partition 312 extends from one end of the tube body 311 corresponding to the first end to one end of the tube body 311 corresponding to the second end along the length direction of the tube body 311, so as to partition a first flow channel 313 and a second flow channel 314, which are parallel and extend along the length direction of the tube body 311, in an inner cavity of the tube body 311, and a gap 315 is provided between one end of the partition 312 close to the second end and one end of the tube body 311 corresponding to the second end, so that the first flow channel 313 and the second flow channel 314 are communicated through the gap 315.

The length of the separating element 312 is set to control the size of the gap 315, that is, the flow rate at the connection between the first flow channel 313 and the second flow channel 314, so as to implement simple structure and easy processing and molding.

In other embodiments, the partition 312 may extend from one end of the tube 311 corresponding to the first end to one end of the tube 311 corresponding to the second end in the length direction of the tube 311 to divide the tube 311 into a first flow channel 313 and a second flow channel 314 which are juxtaposed and not communicated with each other, and then one or more openings are provided at one end of the partition 312 near the second end to communicate the first flow channel 313 and the second flow channel 314 through the openings.

In some embodiments, referring to fig. 6 and with further reference to fig. 7, fig. 7 is a front view of the first header shown in fig. 6. The tube body 311 has a rectangular tube shape, and includes a top wall 3111 and a bottom wall 3112 opposed to each other in a thickness direction of the tube body 311 and a first side wall 3113 and a second side wall 3114 opposed to each other in a width direction of the tube body 311, and a partition 312 is connected between the top wall 3111 and the bottom wall 3112.

Specifically, referring to fig. 6, fig. 6 is an isometric view of a fastening strap provided in accordance with some embodiments of the present application; the width direction of the tube 311 extends in the first direction X, and the thickness direction of the tube 311 extends in the third direction Z.

The pipe body 311 is rectangular tube shape, and the rectangular tube can form sufficient mounting area at its pipe wall on the one hand, the installation of the heat exchange tube 33 of being convenient for, and on the other hand rectangular tube can effectively increase the outer wall of pipe body 311 and the area of contact of parts on every side, like this, conveniently spacing when assembling the thermal management part 30 to battery 100 box 20, and avoid the pipe body 311 to occupy too much battery 100 box 20's inner space, structural stability and group suitability are good.

In some embodiments, as shown in fig. 7, the partition 312 includes a main body portion 3121, a first connection portion 3122 and a second connection portion 3124, the first connection portion 3122 and the second connection portion 3124 respectively extend from both sides of the main body portion 3121 in opposite directions, the first connection portion 3122 is connected to the top wall 3111, and the second connection portion 3124 is connected to the bottom wall 3112.

The first connecting portion 3122 and the second connecting portion 3124 may be integrally formed with the main body, or may be separately disposed from the main body and integrally connected by welding, gluing, or the like.

The first connecting portion 3122 may be parallel to the top wall 3111 or at an angle to the top wall 3111, and similarly, the second connecting portion 3124 may be parallel to the bottom wall 3112 or at an angle to the same. Illustratively, the first connection portion 3122 is parallel to the top wall 3111, the first connection portion 3122 includes a first surface 3123 facing the top wall 3111, the first surface 3123 is attached to the top wall 3111, the second connection portion 3124 includes a second surface 3125 facing the bottom wall 3112, and the second surface 3125 is attached to the bottom wall 3112.

The separating member 312 is connected to the top wall 3111 and the bottom wall 3112 of the pipe body 311 through the first connecting portion 3122 and the second connecting portion 3124, and the first connecting portion 3122 is in surface contact with the top wall 3111 and the second connecting portion 3124 is in surface contact with the bottom wall 3112, which is favorable for ensuring the connection stability, and meanwhile, the separating member 312 is obliquely disposed, so that the top wall 3111, the bottom wall 3112, the first side wall 3113 or the second side wall 3114 of the pipe body 311 can be effectively prevented from belonging to the first flow channel 313 or the second flow channel 314, and the installation area of the liquid inlet and outlet pipe of the pipe body 311 and the heat exchange pipe 33 can be prevented from being reduced.

In some embodiments, referring to fig. 7, the first liquid inlet/outlet 316 is disposed on the top wall 3111 for facilitating the assembly and disassembly maintenance of the liquid inlet/outlet pipes.

In still other embodiments, referring again to fig. 5 and with further reference to fig. 8, fig. 8 is a front view of a thermal management component according to still other embodiments of the present application. The partition 312 may have a tubular shape, and an inner cavity of the partition 312 forms a first flow passage 313, and an outer circumferential wall of the partition 312 and an inner circumferential wall of the tube body 311 form a second flow passage 314 therebetween.

That is to say, wear to establish a fixed tubular structure in body 311, can separate first runner 313 and second runner 314 in body 311, on the one hand, the processing degree of difficulty is low and the implementation of being convenient for, and on the other hand pipy separator 312 is structural strength height itself, is favorable to further improving the structural stability of whole first pressure manifold 31 to guarantee the functional stability of first pressure manifold 31.

In some embodiments, the heat exchange tube 33 is a harmonica tube.

Harmonica pipe is the fluid carrier who commonly uses in heat exchange system, and its technique is mature, and the practicality is strong.

Conventional harmonica pipe is flat tubular, sets up a plurality of partition walls at the inner chamber of main part including main part and interval, and a plurality of partition walls divide into a plurality of sub-inner chambers with the inner chamber of main part, and a plurality of sub-inner chambers are used for supplying the fluid circulation.

It is understood that, in the heat management member 30 of the present embodiment, a plurality of harmonica tubes are arranged at intervals in the second direction Y, wherein the large-area surfaces of the harmonica tubes may be arranged perpendicular to the second direction Y, so that one battery 100 receiving cavity is formed between two adjacent harmonica tubes. Of course, as shown in fig. 2, the surface of the harmonica tube having a large area may also be disposed parallel to the second direction Y, so that a plurality of harmonica tubes together form one heat management surface, which may be in contact with the battery 100.

The heat exchange tube 33 is a harmonica tube, the structure of the harmonica tube is favorable for further improving the heat balance of the heat exchange tube 33 in the width direction of the heat exchange tube, and the harmonica tube has a larger outer surface, so that the contact area between the heat exchange tube 33 and the battery 100 is conveniently improved, and the heat exchange effect of the heat exchange tube 33 on the battery 100 is improved.

Referring to fig. 3 to 8, a thermal management component 30 according to some embodiments of the present disclosure includes a first header 31, a second header 32, and a plurality of heat exchange tubes 33, where the first header 31 includes a first liquid inlet and outlet 316, a first flow channel 313, and a second flow channel 314 that are sequentially communicated, the first flow channel 313 and the second flow channel 314 both extend from a first end of the first header 31 to a second end of the first header 31, the first liquid inlet and outlet 316 is disposed at the first end, one end of the first flow channel 313 is communicated with the first liquid inlet and outlet 316, and the other end is communicated with the second flow channel 314. The second collecting pipe 32 and the first collecting pipe 31 are parallel to each other and spaced from each other, and include a second liquid inlet/outlet 322 and a third flow channel 321, which are communicated with each other, and the second liquid inlet/outlet 322 is disposed at one end of the second collecting pipe 32 close to the first liquid inlet/outlet 316. A plurality of heat exchange tubes 33 are arranged side by side between the first header 31 and the second header 32, and each heat exchange tube 33 has one end communicating with the second flow channel 314 and the other end communicating with the third flow channel 321.

The first header 31 includes a pipe body 311 and a partition 312, the pipe body 311 has a rectangular pipe shape, and includes a top wall 3111 and a bottom wall 3112 opposite to each other in a thickness direction of the pipe body 311 and a first side wall 3113 and a second side wall 3114 opposite to each other in a width direction of the pipe body 311, the partition 312 is connected between the top wall 3111 and the bottom wall 3112 and extends in a length direction of the pipe body 311, and the partition 312 partitions an inner space of the pipe body 311 into a first flow passage 313 and a second flow passage 314. In the length direction of the tube 311, a gap 315 is provided between one end of the partition 312 near the second end and the tube 311, and the gap 315 is used for communicating the first flow channel 313 and the second flow channel 314.

The partition 312 includes a main body portion 3121, a first connection portion 3122 and a second connection portion 3124, the first connection portion 3122 and the second connection portion 3124 extending in opposite directions from both sides of the main body portion 3121, respectively, the first connection portion 3122 being connected to the top wall 3111, and the second connection portion 3124 being connected to the bottom wall 3112.

In a second aspect, the present application provides a battery 100 comprising: the battery pack comprises a box body 20, a battery cell 10 and a thermal management component 30 according to any one of the above aspects, wherein the thermal management component 30 is arranged in the box body 20, and the thermal management component 30 is used for containing fluid to regulate the temperature of the battery cell 10.

The box body can be any one of the box bodies, the battery monomer can be any one of the battery monomers, the heat management part can also be any one of the heat management parts, and the heat management part can be arranged in the box body and positioned between the box body and the battery monomer so as to adjust the temperature of the battery monomer.

In a third aspect, the present application provides an electric device, comprising the battery 100 of the above aspect, wherein the battery 100 is used for providing electric energy.

The electric device can be any one of the aforementioned devices or systems using batteries.

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

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A thermal management component, comprising:

the first collecting pipe comprises a first liquid inlet and outlet, a first flow passage and a second flow passage which are sequentially communicated, the first flow passage and the second flow passage both extend from the first end of the first collecting pipe to the second end of the first collecting pipe, the first liquid inlet and outlet is arranged at the first end, one end of the first flow passage is communicated with the first liquid inlet and outlet, and the other end of the first flow passage is communicated with the second flow passage;

the second collecting pipe is parallel to the first collecting pipe at intervals and comprises a second liquid inlet and outlet and a third flow passage which are communicated with each other, and the second liquid inlet and outlet is arranged at one end, close to the first liquid inlet and outlet, of the second collecting pipe;

and the heat exchange tubes are arranged between the first collecting pipe and the second collecting pipe side by side, one end of each heat exchange tube is communicated with the second flow channel, and the other end of each heat exchange tube is communicated with the third flow channel.

2. The thermal management component of claim 1, wherein the first header comprises a tube body and a partition disposed within the tube body and extending along a length of the tube body, the partition dividing an interior space of the tube body into the first flow passage and the second flow passage.

3. The thermal management member of claim 2, wherein an end of the partition adjacent the second end has a gap with the tube body in a length direction of the tube body, the gap communicating the first flow passage and the second flow passage.

4. The thermal management member according to claim 2, wherein the tube body has a rectangular tubular shape and includes top and bottom walls opposed to each other in a thickness direction of the tube body and first and second side walls opposed to each other in a width direction of the tube body, the partition being connected between the top and bottom walls.

5. The thermal management component of claim 4, wherein the partition comprises a body portion, a first connection portion and a second connection portion, the first connection portion and the second connection portion extending in opposite directions from two sides of the body portion, respectively, the first connection portion being connected to the top wall, and the second connection portion being connected to the bottom wall.

6. The thermal management component of claim 4, wherein said first fluid inlet and outlet is disposed in said top wall.

7. The thermal management component of claim 2, wherein the divider is tubular, wherein the inner cavity of the divider defines the first flow path, and wherein the second flow path is defined between an outer peripheral wall of the divider and an inner peripheral wall of the tube body.

8. A thermal management component according to any one of claims 1 to 7, wherein said heat exchange tubes are harmonica tubes.

9. A battery, comprising:

a box body;

the battery monomer is arranged in the box body;

the thermal management component of any of claims 1-8, disposed within the case, the thermal management component to contain a fluid to regulate a temperature of the battery cells.

10. An electrical device comprising the battery of claim 9, wherein the battery is configured to provide electrical energy.