CN114094231B - Power battery thermal management system based on flat heat pipe - Google Patents
Power battery thermal management system based on flat heat pipe Download PDFInfo
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- CN114094231B CN114094231B CN202111404086.0A CN202111404086A CN114094231B CN 114094231 B CN114094231 B CN 114094231B CN 202111404086 A CN202111404086 A CN 202111404086A CN 114094231 B CN114094231 B CN 114094231B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6552—Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a power battery thermal management system based on a flat heat pipe, which comprises: at least one battery module frame which is arranged on the chassis, wherein at least two electric power batteries are arranged in the battery module frame; the flat heat pipe is attached to the power battery and used for absorbing the surface heat of the power battery; the first heat dissipation management component is arranged on the chassis and is used for carrying out conventional heat dissipation on the flat heat pipe; and a second heat dissipation management assembly disposed in the foundation so as to dissipate heat for the flat heat pipe by using the second heat dissipation management assembly when the power battery is charged.
Description
Technical Field
The invention relates to the technical field of power battery thermal management, in particular to a power battery thermal management system based on a flat heat pipe.
Background
The heat dissipation mode of the power battery is single in the existing heat management system of the power battery, the power battery is often dissipated by using a radiator or an external wind body, and when the power battery is charged, the heat dissipated by the radiator is accumulated around the power battery for a period of time, so that the subsequent heat dissipation effect is affected.
Accordingly, there is a need to provide a power cell thermal management system based on flat heat pipes to solve the above-mentioned problems.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: a flat-plate heat pipe-based power cell thermal management system, comprising:
at least one battery module frame which is arranged on the chassis, wherein at least two electric power batteries are arranged in the battery module frame;
the flat heat pipe is attached to the power battery and used for absorbing the surface heat of the power battery;
the first heat dissipation management component is arranged on the chassis and is used for carrying out conventional heat dissipation on the flat heat pipe; and
and the second heat dissipation management component is arranged in the foundation so as to dissipate heat of the flat heat pipe by using the second heat dissipation management component when the power battery is charged.
Further, as the preference, dull and stereotyped heat pipe includes plate body, feed liquor storehouse and goes out liquid storehouse, wherein, the plate body attached to on the power battery, the bottom and the feed liquor storehouse of plate body are linked together and are set up, the top and the play liquid storehouse of plate body are linked together and are set up.
Further, preferably, the first heat dissipation management assembly includes:
the mounting bin is fixed on the chassis;
one end of the liquid inlet is communicated with the liquid outlet bin, and the other end of the liquid inlet is communicated with the liquid inlet end of the radiator by adopting a communicating pipe; and
one end of the liquid outlet is communicated with the liquid outlet end of the radiator by adopting another communicating pipe, and the other end of the liquid outlet is communicated with the liquid inlet bin;
and a pump body and a valve body are arranged on the communicating pipe connected with the liquid inlet.
Further, preferably, the second heat dissipation management assembly includes:
one end of the parallel liquid inlet pipe is communicated with the liquid outlet bin, and the other end of the parallel liquid inlet pipe is communicated with the liquid inlet base pipe;
one end of the parallel liquid outlet pipe is communicated with the liquid inlet bin, and the other end of the parallel liquid outlet pipe is communicated with the liquid outlet base pipe; and
the underground heat dissipation components are connected in parallel between the parallel liquid outlet pipe and the parallel liquid inlet pipe;
and the parallel liquid outlet pipe and the parallel liquid inlet pipe are both provided with a valve body and a pump body.
Further, preferably, the plurality of underground heat dissipation assemblies are a first underground heat dissipation assembly, a second underground heat dissipation assembly, a third underground heat dissipation assembly, … …, an nth underground heat dissipation assembly, an n+1th underground heat dissipation assembly, and an mth underground heat dissipation assembly, respectively; wherein n and m are positive integers;
and when the plurality of underground heat dissipation components are utilized for heat dissipation, the first underground heat dissipation component, the second underground heat dissipation component, the third underground heat dissipation component, … … and the nth underground heat dissipation component are sequentially started, and when the nth underground heat dissipation component is started, the other underground heat dissipation components are closed.
Further, preferably, one end of the parallel liquid inlet pipe and one end of the parallel liquid outlet pipe, which are far away from the flat heat pipe, are communicated with an interface I;
one ends of the liquid inlet base pipe and the liquid outlet base pipe are communicated with a second interface corresponding to the first interface by adopting corrugated pipes;
the second interface is also subjected to height adjustment by adopting a telescopic rod;
the parallel liquid inlet pipe is also provided with a valve body and a pump body;
and the liquid inlet base pipe and the liquid outlet base pipe are transversely fine-tuned by a transverse micropipette.
Further, preferably, the underground heat dissipation assembly includes:
a reservoir Leng Cang fixedly embedded in the foundation;
the heat exchange tube is U-shaped and is embedded into the storage Leng Cang, one end of the heat exchange tube is communicated with the liquid inlet base tube, the other end of the heat exchange tube is communicated with the liquid outlet base tube, and the heat exchange tube is provided with a valve body; and
an extension tube fixedly embedded in the reservoir Leng Cang, and extending downward beyond the reservoir Leng Cang;
the outer surface of the part of the extension pipe extending out of the storage Leng Cang is provided with a plurality of heat exchange blades.
Further, preferably, the internal space of the storage Leng Cang is divided into a left heat exchange part and a right heat exchange part, wherein a plurality of separation bins are embedded in the heat exchange part of the side of the heat exchange pipe close to the liquid inlet end of the heat exchange pipe, and the separation bins and the other heat exchange part are filled with heat exchange materials; a divider 566 is also filled between adjacent compartments.
Further, preferably, the plurality of compartments are a first compartment, a second compartment, a third compartment, … …, an nth compartment, an n+1th compartment, and an mth compartment, respectively; wherein n and m are positive integers;
one side of the heat exchange tube close to the liquid inlet end of the heat exchange tube is sequentially connected with a plurality of L-shaped parallel tubes in parallel;
the plurality of L-shaped parallel pipes are respectively a first L-shaped parallel pipe, a second L-shaped parallel pipe, a third L-shaped parallel pipe, … …, an nL-shaped parallel pipe, an n+1L-shaped parallel pipe and an mL-shaped parallel pipe; wherein n and m are positive integers;
the n+1L-shaped parallel tube is connected to the nL-shaped parallel tube in parallel, and the other end of the nL-shaped parallel tube is connected to the heat exchange tube in the n+1th separation bin in parallel;
valve bodies are arranged on the L-shaped parallel pipes and are opened in sequence;
each L-shaped parallel pipe passes through the extension pipe.
Further, preferably, one side of the liquid outlet base pipe is also communicated with the output end of the pulse gas generator.
Compared with the prior art, the invention provides a power battery thermal management system based on a flat heat pipe, which has the following beneficial effects:
in the embodiment of the invention, the first heat dissipation management component is arranged on the chassis and can conduct conventional heat dissipation on the flat heat pipe, and when the power battery is charged, only the second heat dissipation management component is used for conducting heat dissipation on the flat heat pipe, and the first heat dissipation management component is not needed to conduct heat dissipation at the moment, so that the heat dissipation efficiency is ensured, the energy consumption is reduced, and the second heat dissipation management component can dissipate heat into a foundation, so that the heat dissipation effect is greatly improved, the accumulation of heat is reduced under the static state, and the handling of larger heat brought by efficient charging is facilitated;
in the embodiment of the invention, a plurality of underground radiating assemblies can be utilized to sequentially radiate heat, which is beneficial to guaranteeing the stability of radiating heat, in addition, in the embodiment of the invention, the n+1L-th parallel tube is connected to the nL-th parallel tube in parallel, and the other end of the nL-th parallel tube is connected to the heat exchange tube in the n+1th separation bin in parallel; the valve bodies are arranged on the L-shaped parallel pipes and are opened in sequence; therefore, the influence of temperature rise in part of the separation bin on the whole heat dissipation can be reduced, and the liquid in the L-shaped parallel tube can also directly exchange heat with the extension tube, so that the whole heat dissipation effect can be ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a power battery thermal management system based on a flat heat pipe;
FIG. 2 is a schematic diagram of a first heat dissipation management assembly in a power battery thermal management system based on a flat heat pipe;
FIG. 3 is a schematic diagram of a second heat dissipation management assembly in a power battery thermal management system based on a flat heat pipe;
FIG. 4 is a schematic diagram of an underground heat dissipation assembly in a power battery thermal management system based on a flat heat pipe;
in the figure: 1. a power battery module frame; 2. a flat heat pipe; 3. a first heat dissipation management assembly; 4. a power battery; 5. a second heat dissipation management assembly; 21. a plate body; 22. a liquid inlet bin; 23. a liquid outlet bin; 31. a mounting bin; 32. a liquid inlet; 33. a liquid outlet; 34. a heat sink; 35. a communicating pipe; 51. and connected with a liquid pipe; 52. the liquid outlet pipe is connected in parallel; 53. an interface I; 54. a liquid-entering base pipe; 55. a liquid outlet base pipe; 56. an underground heat dissipation assembly; 57. a pulse gas generator; 58. an interface II; 59. a lateral micropipette; 581. a telescopic rod; 561. a store Leng Cang; 562. a heat exchange tube; 563. an extension tube; 564. a heat exchange blade; 565. dividing the bin; 566. a partition plate; 567. l-shaped parallel pipes.
Detailed Description
Referring to fig. 1 to 4, the present invention provides a power battery thermal management system based on a flat heat pipe, comprising:
at least one battery module frame 1 which is arranged on the chassis, and at least two electric power batteries 4 are arranged in the battery module frame 1;
a flat heat pipe 2 attached to the power battery 4 for absorbing surface heat of the power battery 4;
a first heat dissipation management assembly 3, which is arranged on the chassis and is used for performing conventional heat dissipation on the flat heat pipe 2; and
and a second heat dissipation management assembly 5 disposed in the foundation so as to dissipate heat for the flat heat pipe 2 by the second heat dissipation management assembly 5 when the power battery 4 is charged.
It should be explained that, when the power battery 4 is charged, only the second heat dissipation management assembly 5 is used to dissipate heat for the flat heat pipe 2, and the first heat dissipation management assembly 3 is not required to dissipate heat at this time, so that the heat dissipation efficiency is ensured, and meanwhile, the energy consumption is reduced, and the heat dissipation effect is greatly improved due to the fact that the second heat dissipation management assembly 5 can dissipate heat into the foundation, so that the accumulation of heat is reduced in a static state, and the handling of larger heat brought by efficient charging is facilitated.
In this embodiment, the flat heat pipe 2 includes a plate body 21, a liquid inlet bin 22 and a liquid outlet bin 23, wherein the plate body 21 is attached to the power battery 4, the bottom of the plate body 21 is connected with the liquid inlet bin 22, and the top of the plate body 21 is connected with the liquid outlet bin 23.
The plate body 21 may be a multi-layer structure, which includes a steam layer, a cooling water circulation layer, etc., and when the battery is charged and discharged, the plate heat pipe can absorb heat generated by the battery, and the heat is sent from the battery to the cooling water through evaporation and condensation of working medium inside the plate heat pipe, and then is processed by the first heat dissipation management assembly or the second heat dissipation management assembly, so that the heat is taken away from the battery pack.
In this embodiment, as shown in fig. 2, the first heat dissipation management assembly 3 includes:
a mounting bin 31 fixed to the chassis;
a liquid inlet 32, one end of which is communicated with the liquid outlet bin 23, and the other end of which is communicated with the liquid inlet end of the radiator 34 by a communicating pipe 35; and
a liquid outlet 33, one end of which is communicated with the liquid outlet end of the radiator by adopting another communicating pipe, and the other end of which is communicated with the liquid inlet bin 22;
and a pump body and a valve body are provided on the communicating pipe 35 connected to the liquid inlet 32.
In this embodiment, the second heat dissipation management assembly 5 includes:
one end of the parallel liquid inlet pipe 51 is communicated with the liquid outlet bin 23, and the other end of the parallel liquid inlet pipe is communicated with the liquid inlet base pipe 54;
a parallel liquid outlet pipe 52, one end of which is communicated with the liquid inlet bin 22, and the other end of which is communicated with a liquid outlet base pipe 55; and
a plurality of underground heat dissipation assemblies 56 connected in parallel between the parallel liquid outlet pipe 52 and the parallel liquid inlet pipe 51;
the parallel liquid outlet pipe 52 and the parallel liquid inlet pipe 51 are both provided with a valve body and a pump body.
Or, one end of the parallel liquid inlet pipe 51 is communicated with the communicating pipe 35 on the liquid inlet 32, and the parallel liquid outlet pipe 52 is communicated with the other communicating pipe, that is, the first heat dissipation management assembly and the second heat dissipation management assembly are arranged in parallel, and can independently dissipate heat of the flat heat pipe.
In this embodiment, as shown in fig. 3, the plurality of underground heat dissipation assemblies 56 are a first underground heat dissipation assembly, a second underground heat dissipation assembly, a third underground heat dissipation assembly, … …, an nth underground heat dissipation assembly, an (n+1) th underground heat dissipation assembly, and an mth underground heat dissipation assembly, respectively; wherein n and m are positive integers;
when the plurality of underground heat dissipation components 56 are utilized to conduct heat dissipation, the first underground heat dissipation component, the second underground heat dissipation component, the third underground heat dissipation component, … … and the nth underground heat dissipation component are sequentially started, and when the nth underground heat dissipation component is started, the other underground heat dissipation components are closed.
In addition, the ends of the parallel liquid inlet pipe 51 and the parallel liquid outlet pipe 52, which are far away from the flat heat pipe 2, are both communicated with an interface I53;
one end of the liquid inlet base pipe 54 and one end of the liquid outlet base pipe are communicated with a second interface 58 corresponding to the first interface by adopting corrugated pipes;
the second interface 58 is also height-adjustable by means of a telescopic rod 581;
the parallel liquid inlet pipe 51 is also provided with a valve body and a pump body;
the liquid inlet base pipe 54 and the liquid outlet base pipe are both subjected to transverse fine adjustment by a transverse micropipette 59.
In this embodiment, as shown in fig. 4, the underground heat dissipation assembly 56 includes:
a reservoir Leng Cang 561 fixedly embedded in the foundation;
the heat exchange tube 562 is in a U shape and is embedded into the storage Leng Cang 561, one end of the heat exchange tube 562 is communicated with the liquid inlet base tube 54, the other end of the heat exchange tube 562 is communicated with the liquid outlet base tube 55, and a valve body is arranged on the heat exchange tube 562; and
an extension tube 563 fixedly embedded in the reservoir Leng Cang 561, and the extension tube 563 extends downward beyond the reservoir Leng Cang 561;
the outer surface of the portion of the extension pipe 563 extending out of the reservoir Leng Cang 561 is provided with a plurality of heat exchanging fins 564.
The cooler temperature can be fully increased for the storage Leng Cang 561 through the heat exchange blades and the extension pipes 563, so that the subsequent heat dissipation is facilitated.
In this embodiment, the internal space of the storage Leng Cang 561 is divided into a left heat exchange part and a right heat exchange part, wherein a plurality of partition cabins 565 are embedded in the heat exchange part of the side of the heat exchange tube 562 near the liquid inlet end thereof, and the partition cabins 565 and the other heat exchange part are filled with heat exchange materials; a divider 566 is also filled between adjacent dividers 565.
In addition, the plurality of compartments 565 are a first compartment, a second compartment, a third compartment, … …, an nth compartment, an n+1th compartment, and an mth compartment, respectively; wherein n and m are positive integers;
a plurality of L-shaped parallel pipes 567 are sequentially connected in parallel to one side of the heat exchange pipe 562 close to the liquid inlet end;
the plurality of L-shaped parallel pipes 567 are a first L-shaped parallel pipe, a second L-shaped parallel pipe, a third L-shaped parallel pipe, … …, an nL-shaped parallel pipe, an n+1l-shaped parallel pipe, and a mL-shaped parallel pipe, respectively; wherein n and m are positive integers;
the n+1L-shaped parallel tube is connected to the nL-shaped parallel tube in parallel, and the other end of the nL-shaped parallel tube is connected to the heat exchange tube 562 in the n+1th separation bin in parallel;
valve bodies are arranged on each L-shaped parallel pipe 567 and are sequentially opened;
each of the L-shaped parallel pipes 567 is provided through the extension pipe.
It should be explained that the liquid in the heat exchange tube 562 near the liquid inlet end thereof is hotter, and gradually decreases in temperature after long-distance heat exchange, so that the temperature in the first separation bin increases rapidly after a period of heat dissipation, at this time, in order to reduce the influence of the temperature increase on the overall heat dissipation, the first separation bin is bypassed by the first L-shaped parallel tube, the liquid directly flows through the second separation bin, and at this time, the liquid in the first L-shaped parallel tube can also directly exchange heat with the extension tube, so that the overall heat dissipation effect can be ensured.
As a preferred embodiment, one side of the liquid outlet base pipe 55 is also in communication with the output of the pulse gas generator 57.
It should be explained that the pulse gas generator can intermittently inject gas into the liquid outlet base pipe, bubbles can be formed between the pulse gas generator and the liquid, the bubbles can be extruded and broken in the flowing process, the breaking is beneficial to removing dirt on the inner wall of each pipe body, cleaning is conveniently realized in a mode of directly replacing the liquid in the later period, and replacement of the liquid can be carried out in the underground heat dissipation assembly more conveniently.
When the power battery is subjected to conventional discharging, the first heat dissipation management component is utilized to conduct conventional heat dissipation on the flat heat pipe, and when the power battery is charged, only the second heat dissipation management component 5 is utilized to conduct heat dissipation on the flat heat pipe 2, and the first heat dissipation management component 3 is not required to conduct heat dissipation at the moment, so that the heat dissipation efficiency is guaranteed, the energy consumption is reduced, and the heat dissipation effect is greatly improved due to the fact that the second heat dissipation management component 5 can dissipate heat into a foundation, heat accumulation is reduced under the static state, and large heat brought by efficient charging is dealt with.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. A power battery thermal management system based on a flat heat pipe is characterized in that: comprising the following steps:
at least one battery module frame (1) which is arranged on the chassis, and at least two electric power batteries (4) are arranged in the battery module frame (1);
a flat heat pipe (2) attached to the power battery (4) for absorbing surface heat of the power battery (4);
a first heat dissipation management assembly (3) arranged on the chassis and used for performing conventional heat dissipation on the flat heat pipe (2); and
a second heat dissipation management assembly (5) placed in the foundation so as to dissipate heat for the flat heat pipe (2) by using the second heat dissipation management assembly (5) when the power battery (4) is charged;
the flat heat pipe (2) comprises a plate body (21), a liquid inlet bin (22) and a liquid outlet bin (23), wherein the plate body (21) is attached to the power battery (4), the bottom of the plate body (21) is communicated with the liquid inlet bin (22), and the top of the plate body (21) is communicated with the liquid outlet bin (23);
the second heat dissipation management assembly (5) includes:
one end of the parallel liquid inlet pipe (51) is communicated with the liquid outlet bin (23), and the other end of the parallel liquid inlet pipe is communicated with the liquid inlet base pipe (54);
one end of the parallel liquid outlet pipe (52) is communicated with the liquid inlet bin (22), and the other end of the parallel liquid outlet pipe is communicated with the liquid outlet base pipe (55); and
a plurality of underground heat dissipation components (56) connected in parallel between the parallel liquid outlet pipe (52) and the parallel liquid inlet pipe (51);
the parallel liquid outlet pipe (52) and the parallel liquid inlet pipe (51) are both provided with a valve body and a pump body;
the power cell thermal management system utilizes a plurality of underground heat dissipation assemblies to dissipate heat in sequence, wherein the underground heat dissipation assemblies (56) comprise:
a reservoir Leng Cang (561) fixedly embedded in the foundation;
the heat exchange tube (562) is U-shaped and is embedded into the storage Leng Cang (561), one end of the heat exchange tube (562) is communicated with the liquid inlet base tube (54), the other end of the heat exchange tube is communicated with the liquid outlet base tube (55), and the heat exchange tube (562) is provided with a valve body; and
an extension tube (563) fixedly embedded in the reservoir Leng Cang (561), and the extension tube (563) extends downward beyond the reservoir Leng Cang (561);
the outer surface of the part of the extension pipe (563) extending out of the storage Leng Cang (561) is provided with a plurality of heat exchange blades (564);
the internal space of the storage Leng Cang (561) is divided into a left heat exchange part and a right heat exchange part, wherein a plurality of separation bins (565) are embedded in the heat exchange part of one side of the heat exchange pipe (562) close to the liquid inlet end of the heat exchange pipe, and the separation bins (565) and the other heat exchange part are filled with heat exchange materials; a separation plate (566) is also filled between the adjacent separation bins (565);
the plurality of compartments (565) are respectively a first compartment, a second compartment, a third compartment, … …, an nth compartment, an n+1th compartment, an mth compartment; wherein n and m are positive integers;
one side of the heat exchange tube (562) close to the liquid inlet end of the heat exchange tube is sequentially connected with a plurality of L-shaped parallel tubes (567) in parallel;
the plurality of L-shaped parallel pipes (567) are respectively a first L-shaped parallel pipe, a second L-shaped parallel pipe, a third L-shaped parallel pipe, … …, an nL-shaped parallel pipe, an n+1L-shaped parallel pipe and an mL-shaped parallel pipe; wherein n and m are positive integers;
the n+1L-shaped parallel tube is connected to the nL-shaped parallel tube in parallel, and the other end of the nL-shaped parallel tube is connected to a heat exchange tube (562) in the n+1th separation bin in parallel;
valve bodies are arranged on all the L-shaped parallel pipes (567) and are sequentially opened;
each L-shaped parallel tube (567) is disposed through the extension tube.
2. The flat-plate heat pipe-based power battery thermal management system according to claim 1, wherein: the first heat dissipation management assembly (3) includes:
a mounting bin (31) fixed to the chassis;
a liquid inlet (32), one end of which is communicated with the liquid outlet bin (23), and the other end of which is communicated with the liquid inlet end of the radiator (34) by adopting a communicating pipe (35); and
a liquid outlet (33), one end of which is communicated with the liquid outlet end of the radiator by adopting another communicating pipe, and the other end of which is communicated with the liquid inlet bin (22);
and a communicating pipe (35) connected with the liquid inlet (32) is provided with a pump body and a valve body.
3. The flat-plate heat pipe-based power battery thermal management system according to claim 1, wherein: the plurality of underground heat dissipation assemblies (56) are respectively a first underground heat dissipation assembly, a second underground heat dissipation assembly, a third underground heat dissipation assembly, … …, an nth underground heat dissipation assembly, an n+1th underground heat dissipation assembly and an mth underground heat dissipation assembly; wherein n and m are positive integers;
when the plurality of underground heat dissipation components (56) are utilized for heat dissipation, the first underground heat dissipation component, the second underground heat dissipation component, the third underground heat dissipation component, … … and the nth underground heat dissipation component are sequentially started, and when the nth underground heat dissipation component is started, the other underground heat dissipation components are closed.
4. The flat-plate heat pipe-based power battery thermal management system according to claim 1, wherein: one end, far away from the flat heat pipe (2), of each of the parallel liquid inlet pipe (51) and the parallel liquid outlet pipe (52) is communicated with an interface I (53);
one end of the liquid inlet base pipe (54) and one end of the liquid outlet base pipe are communicated with a second interface (58) corresponding to the first interface by adopting corrugated pipes;
the second interface (58) is also subjected to height adjustment by adopting a telescopic rod (581);
the parallel liquid inlet pipe (51) is also provided with a valve body and a pump body;
the liquid inlet base pipe and the liquid outlet base pipe are both subjected to transverse fine adjustment by a transverse micropipette (59).
5. The flat-plate heat pipe-based power battery thermal management system according to claim 1, wherein: one side of the liquid outlet base pipe (55) is also communicated with the output end of the pulse gas generator (57).
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| CN202111404086.0A CN114094231B (en) | 2021-11-24 | 2021-11-24 | Power battery thermal management system based on flat heat pipe |
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| CN202111404086.0A CN114094231B (en) | 2021-11-24 | 2021-11-24 | Power battery thermal management system based on flat heat pipe |
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| CN114094231B true CN114094231B (en) | 2023-05-05 |
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