CN111403847B - Power battery tab heat dissipation system based on coupling of phase change material and U-shaped flat heat pipe - Google Patents
Power battery tab heat dissipation system based on coupling of phase change material and U-shaped flat heat pipe Download PDFInfo
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- CN111403847B CN111403847B CN202010232856.7A CN202010232856A CN111403847B CN 111403847 B CN111403847 B CN 111403847B CN 202010232856 A CN202010232856 A CN 202010232856A CN 111403847 B CN111403847 B CN 111403847B
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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
- H01M10/625—Vehicles
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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
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
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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
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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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
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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
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
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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
Abstract
The invention aims to provide a power battery tab heat dissipation system based on coupling of a phase change material and a U-shaped flat heat pipe. The battery cores are connected through the flexible row and then fixed into a group by the left end plate, the right end plate and the peripheral fastening binding band; the upper part of the battery module is provided with an isolation frame which is adhered to the top surface of the battery core through structural adhesive; the isolation frame is provided with a front channel, a middle channel and a rear channel, the front channel and the rear channel are provided with U-shaped flat heat pipes, the horizontal section of each U-shaped flat heat pipe is an evaporation end, and the vertical section of each U-shaped flat heat pipe is a condensation end; the bottom of the battery cell is sequentially provided with a bottom soaking film, a lower liquid cooling plate and a heat insulation pad from top to bottom. The battery cell disclosed by the invention is based on the combined heat dissipation of the battery cell tab and the bottom and the coupling of the phase change material, the heat pipe and the liquid cooling technology, and has the advantages of high space utilization rate, good heat dissipation effect and good temperature uniformity.
Description
Technical Field
The invention relates to a power battery thermal management system.
Background
In recent years, the new energy automobile industry is developed in a blowout mode at home and abroad, the electric and intelligent automobile trend is inevitably developed, but accidents such as smoking, spontaneous combustion and fire are frequent. The power battery as its core component is developing towards high energy density, long endurance mileage, short charging time, high safety, high space utilization, light weight, and long cycle life.
The air-cooled heat management mode has the advantages of low air heat conduction coefficient, small convection heat transfer coefficient, long time required for heat dissipation, large inlet-outlet pressure difference, uneven flow field, poor temperature uniformity and poor cooling effect with high discharge rate; the system of the liquid cooling heat management mode refrigerant is large in size, heavy in weight, easy to leak, high in cost, high in requirements on sealing performance and insulating performance (direct liquid cooling), large in energy consumption of auxiliary components and complex in system. The phase-change material heat management mode has become a research hotspot in recent years due to simple structure, convenient cooling, high heat dissipation rate and no need of an additional pump. The heat pipe technology has the advantages of high heat transfer coefficient, good heat conduction performance, high temperature uniformity, variable heat flow density, reversible heat flow direction and wide applicable temperature range, and is popular in the market.
At present, most of power batteries are internally composed of a positive electrode, a diaphragm, a negative electrode and a battery shell, the diaphragm material is low in heat conductivity coefficient, the heat resistance from the inside of a battery core to the direction vertical to the surface is large, the heat conductivity is poor, and the heat transfer effect is poor. The connecting columns of the positive electrode and the negative electrode of the battery are directly connected with the current collecting plates of the positive electrode and the negative electrode of the battery, the positive electrode of the battery is made of aluminum materials, the negative electrode of the battery is made of nickel, copper or copper nickel-plated materials, and the aluminum and the copper have high heat conductivity, small heat resistance and good heat transfer performance.
In summary, in the technical field of power battery thermal management, a power battery thermal management system that can integrate the tab and the bottom of the battery cell and couple the phase-change material, the heat pipe and the liquid cooling technology into a whole is urgently needed to realize the advantage complementation among a plurality of thermal management modes and perform overall efficient heat dissipation.
Disclosure of Invention
The invention aims to provide a power battery tab heat dissipation system based on coupling of a phase change material and a U-shaped flat heat pipe, which is high in space utilization rate, good in heat dissipation effect and good in temperature uniformity.
The purpose of the invention is realized as follows:
the invention relates to a power battery tab heat dissipation system based on coupling of a phase change material and a U-shaped flat heat pipe, which is characterized in that: the battery comprises battery cells, a left end plate, a right end plate, a first U-shaped flat heat pipe, a second U-shaped flat heat pipe and a lower liquid cooling plate, wherein positive and negative electrode lugs between the battery cells are connected through a connecting bar, all the battery cells are clamped between the left end plate and the right end plate to form a battery module, a left heat insulation pad is arranged between the left end plate and the adjacent battery cells, a right heat insulation pad is arranged between the right end plate and the adjacent battery cells, an isolation frame is arranged above the battery module and comprises a front channel, a middle channel and a rear channel, the front channel and the rear channel are filled with phase change materials in modules connected with the battery cell lugs, a top soaking film is laid on the phase change materials, the first U-shaped flat heat pipe comprises a horizontal first U-shaped flat heat pipe evaporation end and a first U-shaped flat heat pipe left condensation end and a U-shaped flat heat pipe right condensation end on two sides of the U-shaped flat heat pipe evaporation end, the end is provided with a first U-shaped flat heat pipe left liquid filling port, the end part of the right condensation end of the first U-shaped flat heat pipe is provided with a first U-shaped flat heat pipe right liquid filling port, the second U-shaped flat heat pipe comprises a second horizontal U-shaped flat heat pipe evaporation end and two U-shaped flat heat pipe left condensation ends and two U-shaped flat heat pipe right condensation ends, the end part of the second U-shaped flat heat pipe left condensation end is provided with a second U-shaped flat heat pipe left liquid filling port, the end part of the second U-shaped flat heat pipe right condensation end is provided with a second U-shaped flat heat pipe right liquid filling port, the first U-shaped flat heat pipe evaporation end and the second U-shaped flat heat pipe evaporation end are arranged in the phase change material or are paved on the top surface of the phase change material through a top soaking film, the lower liquid cooling plate is arranged below the battery module, the first U-shaped flat heat pipe left liquid filling port, the second U-shaped flat heat pipe left liquid filling port and the lower liquid cooling plate liquid inlet are connected through a first three-way quick plug, the first U-way liquid filling port, the first U-shaped flat heat pipe right liquid filling port, the second U-shaped flat heat pipe right liquid cooling plate liquid filling port, the lower liquid cooling plate liquid inlet is connected through a first three way quick plug, the second liquid filling port, the second U-way plug is connected with the second U-way liquid filling port, the second liquid cooling plate inlet, the second liquid filling port is connected with the second liquid inlet, the second liquid inlet is connected with the second liquid inlet of the second flat heat pipe, the second liquid inlet of the second flat heat pipe, the second liquid inlet of the phase change material of the second liquid inlet of the phase change material of the second liquid inlet of the phase change material of the second liquid inlet of, The second U-shaped flat heat pipe right liquid filling port and the lower liquid cooling plate liquid outlet are connected through a second three-way quick connector.
The present invention may further comprise:
1. the whole height of the isolation frame is greater than the height which is higher than the top surface of the battery module after the battery tabs are connected with the connecting rows; the isolation frame is of a hollow structure, and the space of the hollow part is larger than the irregular space left after the connection of the upper tab connecting row of the battery module.
The invention has the advantages that:
1. the invention provides a power battery tab heat dissipation system based on coupling of a phase change material and a U-shaped flat heat pipe. Meanwhile, the U-shaped flat heat pipe can timely take away heat accumulated by the phase change material module after continuous charging and discharging circulation of the module, and the heat dissipation capacity of the phase change material is limited.
2. The invention provides a power battery tab heat dissipation system based on coupling of a phase change material and a U-shaped flat heat pipe, wherein an isolation frame is arranged to prevent a module formed by grouping battery cell tabs in flexible connection from being in contact with the U-shaped flat heat pipe above the module, and in addition, the filled phase change material module and a soaking film are both prepared from high-insulation materials.
3. The invention provides a power battery tab heat dissipation system based on coupling of a phase change material and a U-shaped flat heat pipe. The coefficient of heat conductivity of graphite alkene membrane is high, can spread the heat production of battery tab department to the flat heat pipe evaporating end of U type evenly rapidly, and the heat is dispelled by the flat heat pipe condensation end of U type again, and the heat transfer can be reinforceed to the radiating fin of condensation end auxiliary design, and the design can further improve between electric core and the electric core to the comprehensive temperature uniformity ability between module and the module. Meanwhile, in the invention, the traditional heat-conducting silica gel pad is changed into a graphene heat equalizing film between the bottom of the module and the lower liquid cooling plate, so that the heat transfer rate between the modules in the horizontal direction can be enhanced, the heat equalizing effect is achieved, and the dimensional tolerance between the electric cores is compensated.
4. The invention provides a power battery tab heat dissipation system based on coupling of a phase change material and a U-shaped flat heat pipe. The invention can ensure that the battery monomer can efficiently dissipate heat, prevent the temperature of the monomer battery from being overhigh, and the heat insulation module can inhibit heat diffusion when the battery monomer generates thermal runaway, thereby avoiding the thermal runaway from spreading to the whole battery module, improving the safety and stability of the battery module and being convenient for long-term safe use.
Drawings
FIG. 1 is a schematic view of the present invention.
Detailed Description
The invention is described in more detail below by way of example with reference to the accompanying drawings:
with reference to fig. 1, the invention provides a power battery tab heat dissipation system based on phase change material and U-shaped flat heat pipe coupling, which realizes respective advantage complementation by jointly dissipating heat from a battery tab and the bottom and coupling three different heat management modes of phase change material, heat pipe and liquid cooling technology; the U-shaped flat heat pipe can efficiently dissipate heat of the battery module, timely and rapidly dissipate heat of the phase-change material module, and further improve the temperature uniformity of the system. The embodiments of the present invention are described below.
As shown in fig. 1, the invention relates to a tab heat dissipation system of a power battery based on coupling of a phase change material and a U-shaped flat heat pipe, which comprises: the heat insulation structure comprises a right end plate (1), a right heat insulation plate (2), an anode lug (3), a soft row (4), a cathode lug (5), a right condensation end (6) of a U-shaped flat heat pipe 1, a right liquid filling port (7) of the U-shaped flat heat pipe 1, a right liquid filling port (8) of the U-shaped flat heat pipe 2, a right condensation end (9) of the U-shaped flat heat pipe 2, an evaporation end (10) of the U-shaped flat heat pipe 1, a left liquid filling port (11) of the U-shaped flat heat pipe 1, a left condensation end (12) of the U-shaped flat heat pipe 1, a 2 evaporation end (13) of the U-shaped flat heat pipe 2, a left liquid filling port (14) of the U-shaped flat heat pipe 2, a left condensation end (15) of the U-shaped flat heat pipe 2, a top soaking film (16), a phase change material module (17), an isolation frame (18), a phase change material filling groove (19), a peripheral binding band (20), a battery cell (21), a safety valve (22), a left heat insulation plate (23), a left heat insulation plate (24), a left end plate (24), a liquid inlet (25), a liquid cooling plate (25), The device comprises a bottom heat insulation pad (26), a lower liquid cooling plate (27), a lower liquid cooling plate liquid outlet (28), a bottom heat equalizing film (29) and a battery module (30).
The soft row (4) is connected with the positive electrode lugs (3) and the negative electrode lugs (5) among the plurality of battery cells (21), and then the soft row (4) is fastened by bolts. The battery core is clamped by the left end plate (24), the right end plate (1), the left heat insulation plate (23) and the right heat insulation plate (2), and finally the battery module (30) is formed after the battery module is fixed by peripheral binding bands (20) on the periphery. A left heat insulation plate (23) and a right heat insulation plate (2) are respectively clamped between the leftmost cell and the left end plate (24) and between the rightmost cell and the right end plate (1). The top surface of battery module (30) that a plurality of electricity core is constituteed sets up isolation frame (18), and isolation frame (18) self structure can be divided into preceding, in, three channel after, and preceding, two channels are used for filling soft arranging (4) and connect electric core (21) utmost point ear remaining irregular module after in groups, and isolation frame is fixed in the top surface of battery module with seal structure glue, prevents that phase change material from oozing. The evaporation end of the U-shaped flat heat pipe is arranged in the phase change material module (17) or directly paved on the top surface of the phase change material module through a top heat soaking film (16). The condensation end of the U-shaped flat heat pipe extends to the outside of the module through two sides, and the heat dissipation fins are arranged to enhance heat exchange. The bottom of the battery is sequentially provided with a bottom heat equalizing film (29), a lower liquid cooling plate (27) and a bottom heat insulating pad (26) from top to bottom. The lower liquid cooling plate liquid inlet (25) and the lower liquid cooling plate liquid outlet (28) are respectively connected to a liquid outlet and a liquid return port of a liquid cooling machine outside the system through a quick connector and a clamp.
In this embodiment, the battery module charges or discharges, and the battery generates heat, and after the heat generated by the battery is absorbed by the phase change material module on the isolation frame, the evaporation end of the U-shaped flat heat pipe dissipates heat for the phase change material, and finally the condensation ends on the two sides of the U-shaped flat heat pipe dissipate heat. The bottom of the whole heat management system dissipates heat of the power battery through the refrigerant inlet and outlet of the lower liquid cooling plate. The top and bottom soaking films may act to enhance the horizontal heat diffusion throughout the thermal management system.
The purpose of the invention is realized by the following technical scheme: the battery module comprises a battery cell, a positive electrode lug, a negative electrode lug and a safety valve, and is composed of a plurality of battery cells; arranging a soft bar connected with the battery core; the isolation frame is arranged right above the battery module; the sealing rubber gasket is arranged between the isolation frame and the top surface of the battery; filling grooves arranged at the front part, the middle part and the rear part of the isolation frame body; the phase change material module is arranged in the filling groove; a top soaking film disposed above the phase change material module; the U-shaped flat heat pipe is arranged above the top soaking film; the heat pipe evaporation end is arranged at the horizontal section of the U-shaped flat heat pipe; the heat pipe condensation end is arranged at the vertical section of the U-shaped flat heat pipe; the radiating fins are arranged on the side edge of the condensation end of the U-shaped flat heat pipe; the liquid filling ports are arranged at the upper parts of the condensation ends on the left side and the right side of the U-shaped flat heat pipe; the left heat insulation plate and the right heat insulation plate are clamped between the end plate and the battery cells on two sides; a bottom soaking film clamped between the bottom of the battery and the lower liquid cooling plate; and a bottom thermal insulation pad disposed at the bottommost portion of the overall thermal management system.
The battery cell is connected through the flexible flat, the left end plate and the right end plate are arranged at the left end and the right end, and peripheral binding bands are arranged around the battery cell and connected with the battery in groups; for the battery cells with the bolt holes on the positive and negative electrode lugs, connecting a plurality of battery cells into a battery module through a flexible row, arranging through holes matched with the hole diameters of the lug bolts on the flexible row, and compensating the dimensional tolerance of the screw holes and the bolts by using copper gaskets; for the battery cell without the bolt hole on the positive and negative electrode lugs, welding the soft bars and the battery cell lugs into a battery module by a laser welding technology; and heat-conducting silicone grease is coated between the battery cell and the side surface of the battery cell. Two U-shaped flat heat pipes with flat structures are arranged, and the horizontal section of each U-shaped flat heat pipe is set as a heat pipe evaporation end; the vertical sections on the left side and the right side extend to the outside of the module and are set as condensation ends of the heat pipe; a top soaking film is arranged below the U-shaped flat heat pipe, and then phase change materials are filled in front and rear channels of the isolation frame; the upper parts of the condensation ends of the left side and the right side of the U-shaped flat heat pipe are provided with liquid filling ports, and the two sides are provided with radiating fins. The horizontal sizes of the top surfaces of the two phase-change material filling modules are respectively equal to the horizontal sizes of the two rows of tabs, the horizontal sizes of the top soaking films are respectively equal to the horizontal sizes of the top surfaces of the two phase-change material filling modules, and the widths of the evaporation ends of the horizontal sections of the two U-shaped flat heat pipes are respectively equal to the horizontal sizes of the two top soaking films; the entire arrangement is symmetrically distributed about the plane of the battery module in the front, rear, and left-right directions.
The isolation frame body comprises a front rectangular channel, a middle rectangular channel and a rear rectangular channel, and the positions right above the front rectangular channel and the rear rectangular channel just correspond to the positions of two rows of tabs of the battery module to form two phase-change material filling channels; the middle channel of the isolation frame is provided with an empty groove to form a pressure relief safety channel; the widths (front and back directions) of the front and back channels of the isolation frame are equal to the width of an irregular module formed after the connection of the tabs and the flexible printed circuit board; the width (front-back direction) of the middle channel is larger than the diameter of the cell safety valve; the integral height of the isolation frame is greater than the height which is higher than the top surface of the battery after the battery tabs are connected with the flexible busbar; the isolation frame is of a hollow structure, and the space of the hollow part is larger than the remaining irregular space after the soft row of the upper electrode lugs of the battery module is connected. A lower liquid cooling plate is arranged at the bottom of the battery module, and a bottom soaking film is arranged between the bottom of the battery module and the top of the lower liquid cooling plate; a bottom heat insulation pad is arranged below the lower liquid cooling plate; and a left heat insulation plate and a right heat insulation plate are respectively arranged between the leftmost cell and the left end plate and between the rightmost cell and the right end plate.
In summary, the following steps: the invention fully utilizes the advantage of small heat transfer resistance at the positive and negative electrode tabs of the battery core, simultaneously couples the respective advantages of phase-change material cooling, heat pipe technology and liquid cooling technology, and selects the top tab and the bottom of the battery module to simultaneously dissipate heat, thereby realizing integrated heat management of multiple spatial dimensions of the whole system. The invention can improve the space utilization rate and reliability of the system, integrates the functions of heat dissipation, heat insulation and soaking, ensures that the power battery always works in the optimal temperature range when in operation, improves the temperature uniformity between different battery cores and between modules in the whole heat management system, reduces the attenuation speed of the battery performance and prolongs the service life of the battery.
Claims (1)
1. The utility model provides a power battery utmost point ear cooling system based on phase change material and the coupling of U type flat heat pipe, characterized by: the battery module comprises battery cells, a left end plate, a right end plate, a first U-shaped flat heat pipe, a second U-shaped flat heat pipe and a lower liquid cooling plate, wherein positive and negative electrode tabs between the battery cells are connected through a connecting bar, all the battery cells are clamped between the left end plate and the right end plate to form a battery module, a left heat insulation pad is arranged between the left end plate and the adjacent battery cells, a right heat insulation pad is arranged between the right end plate and the adjacent battery cells, an isolation frame is arranged above the battery module and comprises a front channel, a middle channel and a rear channel, the front channel and the rear channel are filled with the connecting bar to be connected with the left module of the battery cell tabs and filled with phase change materials, a top soaking film is laid on the phase change materials, the first U-shaped flat heat pipe comprises a left U-shaped flat heat pipe evaporation end and a left U-shaped flat pipe condensation end on two sides of the U-shaped flat pipe evaporation end, the right condensation end of the first U-shaped flat pipe, the end of the first U-shaped flat heat pipe is provided with a left liquid charging port of the first U-shaped flat pipe, the end part of the right condensation end of the first U-shaped flat heat pipe is provided with a first U-shaped flat heat pipe right liquid filling port, the second U-shaped flat heat pipe comprises a second horizontal U-shaped flat heat pipe evaporation end, a second U-shaped flat heat pipe left condensation end and a second U-shaped flat heat pipe right condensation end, the end part of the second U-shaped flat heat pipe left condensation end is provided with a second U-shaped flat heat pipe left liquid filling port, the end part of the second U-shaped flat heat pipe right condensation end is provided with a second U-shaped flat heat pipe right liquid filling port, the first U-shaped flat heat pipe evaporation end and the second U-shaped flat heat pipe evaporation end are arranged in the phase change material or are paved on the top surface of the phase change material through a top soaking film, a liquid cooling plate is arranged below the battery module, the first U-shaped flat heat pipe left liquid filling port, the second U-shaped flat heat pipe left liquid filling port and the liquid cooling plate liquid inlet are connected through a first tee quick plug, the first U-shaped flat heat pipe right liquid filling port, the second U-cooling plate right liquid filling port and the liquid cooling plate liquid inlet are connected through a second tee quick plug, the second U-tee quick plug, the second flat heat pipe left liquid filling port is connected with the second flat heat pipe liquid filling port, the U-cold plate inlet, the U-tee quick plug is connected with the second flat heat pipe left liquid filling port, the second flat heat pipe left liquid filling port, the U-cold plate inlet, the second flat heat pipe left liquid filling port, the U-tee quick plug is connected with the liquid filling port, the second flat heat pipe left liquid filling port, the second liquid inlet, the second liquid filling port, the second liquid inlet, the second liquid filling port, the second liquid cooling plate inlet, the second liquid filling port, the second liquid inlet is connected with the second liquid inlet, the second liquid inlet of the second liquid inlet is connected with the second liquid inlet, the second liquid inlet of the second liquid, The right liquid filling port of the U-shaped flat heat pipe II and the liquid outlet of the lower liquid cooling plate are connected through a second three-way quick plug connector;
the integral height of the isolation frame is greater than the height which is higher than the top surface of the battery module after the battery tabs are connected with the connecting rows; the isolation frame is of a hollow structure, and the space of the hollow part is larger than the irregular space left after the connection of the upper tab connecting row of the battery module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010232856.7A CN111403847B (en) | 2020-03-28 | 2020-03-28 | Power battery tab heat dissipation system based on coupling of phase change material and U-shaped flat heat pipe |
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| CN202010232856.7A CN111403847B (en) | 2020-03-28 | 2020-03-28 | Power battery tab heat dissipation system based on coupling of phase change material and U-shaped flat heat pipe |
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| CN111403847B true CN111403847B (en) | 2022-09-02 |
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| CN114079096A (en) * | 2020-08-11 | 2022-02-22 | 北京小米移动软件有限公司 | Battery pack and electronic device |
| CN113437399B (en) * | 2021-06-07 | 2022-10-04 | 华南理工大学 | Thermal management system for electrode temperature regulation and control of power battery module |
| CN114421052A (en) * | 2022-01-18 | 2022-04-29 | 吉林大学 | Integral liquid cooling plate cooling system with graphene coating |
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| FR3056290A1 (en) * | 2016-09-21 | 2018-03-23 | Valeo Systemes Thermiques | THERMAL CONTROL DEVICE |
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| CN109119725A (en) * | 2018-09-27 | 2019-01-01 | 华南理工大学 | The power battery thermal management system of ultrathin aluminum strip heat pipe combination composite phase-change material |
| CN109361036A (en) * | 2018-10-31 | 2019-02-19 | 华南理工大学 | A kind of energy-efficient battery modules heat management device |
| CN209447874U (en) * | 2018-12-31 | 2019-09-27 | 河南森源重工有限公司 | A kind of battery case and its cabinet |
| CN110112499A (en) * | 2019-04-09 | 2019-08-09 | 江苏大学 | A kind of battery pack compound thermal management system and its control method |
| CN110534840A (en) * | 2019-08-19 | 2019-12-03 | 欣旺达电子股份有限公司 | Battery modules and battery heat change method |
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