CN211045653U - Lithium ion battery pack thermal management system - Google Patents

Lithium ion battery pack thermal management system Download PDF

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Publication number
CN211045653U
CN211045653U CN201921305484.5U CN201921305484U CN211045653U CN 211045653 U CN211045653 U CN 211045653U CN 201921305484 U CN201921305484 U CN 201921305484U CN 211045653 U CN211045653 U CN 211045653U
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China
Prior art keywords
heat dissipation
dissipation aluminum
battery pack
temperature
lithium ion
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CN201921305484.5U
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Chinese (zh)
Inventor
范丽波
王鹏
刘宇建
郑敏
杨群
崔宇博
曹俊健
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Xuchang University
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Xuchang University
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model relates to a lithium ion battery pack heat management system, which comprises a heat dissipation aluminum plate, a heat dissipation aluminum pipe, a controller, a water pump, a heating and refrigerating device and a temperature sensor; a group of battery packs are fixed between adjacent heat dissipation aluminum plates, and a plurality of mounting slotted holes are formed in one side of each heat dissipation aluminum plate and used for positioning and placing heat dissipation aluminum pipes; the heat dissipation aluminum pipe is bent into an S shape, and one heat dissipation aluminum pipe is correspondingly arranged in the mounting groove holes at the same height of the plurality of heat dissipation aluminum plates; one end of the heat dissipation aluminum pipe is a liquid inlet, and the other end of the heat dissipation aluminum pipe is a liquid outlet; the number of the corresponding heat dissipation aluminum pipes at the outer side of the battery pack is less than that at the inner side of the battery pack; the temperature sensors are respectively arranged on the surfaces of the batteries near the liquid inlet and the liquid outlet of the heat dissipation aluminum pipe and feed temperature signals back to the controller; the controller adjusts the temperature of the fluid by driving the heating and refrigerating device, and the fluid is conveyed to each liquid inlet by driving the water pump. The utility model discloses when can realize temperature control, effectively guarantee group battery temperature distribution's uniformity.

Description

Lithium ion battery pack thermal management system
Technical Field
The utility model relates to a group battery thermal management technical field, concretely relates to thermal management system of pure electric vehicles group battery.
Background
In recent years, with the rapid development of electric vehicles, the technology of the core component power battery has also made remarkable progress, and the temperature of the battery pack needs to be controlled to ensure the normal operation of the battery pack. Especially, in the current environment of rapid development of the rapid charging technology, attention is paid to the control of the temperature of the battery pack. The long-time high-temperature environment and the inconsistent temperature distribution in the charging and discharging process can cause the performance of the battery pack to be reduced, even thermal runaway, and cause smoking, fire, combustion and even explosion. It is necessary to perform thermal management of the battery pack.
At present, most of battery boxes of pure electric vehicles are placed at the bottom of the vehicle, and due to the limitation of the bottom space of the electric vehicles and the structure of single batteries, after batteries are connected in series and in parallel, the batteries are assembled and connected to occupy a certain part of space, so that the heat management design space of the battery pack is limited. Battery materials and quick charging technology are continuously developed, the capacity of a battery pack is continuously improved, the endurance mileage is increased, the conventional air-cooled heat dissipation cannot meet the heat dissipation and safety requirements, and the heat management of the battery pack is gradually developed towards liquid-cooled heat dissipation. However, the existing liquid cooling method is still relatively single, for example, the liquid in the liquid cooling pipeline has a single flow direction and a single flow rate, and the liquid cooling is started only when the temperature reaches a set threshold value, so that the battery pack heat management in the liquid cooling method is still in the attempt and development stage and is not applied in a large scale.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing a lithium ion battery pack thermal management system suitable for pure electric vehicles to the not enough of the interior temperature distribution of group battery heat accumulation, the battery module that exists to above-mentioned prior art inconsistent, the liquid cooling mode is single relatively, when can realizing temperature control, effectively guarantees group battery temperature distribution's uniformity.
The utility model discloses a solve the technical scheme that technical problem that the aforesaid provided adopted and be:
a thermal management system of a lithium ion battery pack comprises the lithium ion battery pack, a heat dissipation aluminum plate, a heat dissipation aluminum pipe, a controller, a water pump, a heating and refrigerating device and a temperature sensor; the heat dissipation aluminum plates are arranged pairwise, a group of battery packs are fixed between every two adjacent pairs of heat dissipation aluminum plates, a plurality of parallel mounting slotted holes are formed in one side of each heat dissipation aluminum plate and used for positioning and placing the heat dissipation aluminum pipes, and the battery packs are arranged on the surfaces of the heat dissipation aluminum plates; the heat dissipation aluminum pipes are bent into an S shape, and one heat dissipation aluminum pipe is correspondingly arranged in the mounting groove holes at the same height of the plurality of heat dissipation aluminum plates; one end of the heat dissipation aluminum pipe is a liquid inlet, and the other end of the heat dissipation aluminum pipe is a liquid outlet; the length of each S-shaped heat dissipation aluminum pipe is determined according to the length and width of the actual battery pack, and according to the difference design principle, the number of the corresponding heat dissipation aluminum pipes on the outer side of the battery pack is less than that of the corresponding heat dissipation aluminum pipes on the inner side of the battery pack; the temperature sensors are respectively arranged on the surfaces of the batteries near the liquid inlet and the liquid outlet of the heat dissipation aluminum pipe so as to monitor the temperature of the battery pack at different positions and feed temperature signals back to the controller; the controller is respectively connected with the water pump and the heating and refrigerating device, the temperature of the fluid is adjusted by driving the heating and refrigerating device, and the fluid is conveyed to each liquid inlet by driving the water pump, so that the fluid flows circularly.
In the scheme, the mounting slotted holes in the heat-radiating aluminum plate are arranged at equal intervals.
In the above scheme, the liquid inlet and the liquid outlet of the heat dissipation aluminum pipe both extend beyond the heat dissipation aluminum plate, the liquid inlet and the liquid outlet of the heat dissipation aluminum pipe are respectively connected with the water pump through standard connecting pieces, and in order to avoid liquid leakage, the joint is sealed by sealing glue and a heat shrink tube.
In the above scheme, the lithium ion battery pack thermal management system further comprises electromagnetic valves, and each heat dissipation aluminum pipe corresponds to one electromagnetic valve to control on and off; the electromagnetic valve is connected with the controller, and the electromagnetic valve is controlled to adjust the number of the opened cooling pipelines by adopting an interval temperature control strategy according to the temperature rise of the battery pack.
In the above scheme, the battery pack is a square battery or a cylindrical battery.
In the above scheme, the heat dissipation aluminum pipe is a circular pipe, a square pipe or a flat pipe, and the shape and the size of the mounting slot on the heat dissipation aluminum plate are matched with the heat dissipation aluminum pipe.
In the above scheme, the battery pack has a case enclosing an insulating film; an electric heating film is laid in the battery box and used for preheating the battery pack.
In the above scheme, the cooling liquid in the lithium ion battery pack thermal management system is water or a mixture of water and ethylene glycol.
The thermal management method of the lithium ion battery pack thermal management system adopts an interval temperature control strategy, and specifically comprises the following steps:
step 1, setting the number of the heat dissipation aluminum pipes on two outer heat dissipation aluminum plates of the battery pack to be N1, wherein the N1 heat dissipation aluminum pipes penetrate through all the heat dissipation aluminum plates of the battery pack and are called long pipes; the number of the heat-radiating aluminum pipes on each inner heat-radiating aluminum plate between the two outer heat-radiating aluminum plates is N2, N1 is less than N2, and N3 is N2-N1, namely the N3 heat-radiating aluminum pipes penetrate through all the inner heat-radiating aluminum plates of the battery pack and are called short pipes; arranging a liquid inlet and a liquid outlet corresponding to N1 long pipes as a long pipe liquid inlet and a long pipe liquid outlet respectively, and a liquid inlet and a liquid outlet corresponding to N3 short pipes as a short pipe liquid inlet and a short pipe liquid outlet respectively, installing a temperature sensor on the surfaces of the batteries attached to the long pipe liquid inlet, the long pipe liquid outlet, the short pipe liquid inlet and the short pipe liquid outlet respectively, and collecting the temperature of the battery pack in real time; if the temperature difference between the long pipe liquid inlet and the long pipe liquid outlet is less than 5 ℃ and the temperature difference between the short pipe liquid inlet and the short pipe liquid outlet is less than 5 ℃, the temperature difference belongs to a normal range; if the temperature difference is larger than 5 ℃ and the temperature difference continuously rises, the controller sends CAN information to a charger to stop charging and give an alarm for prompting;
step 2, if the temperature difference is less than 5 ℃ and the temperature of the battery near the long pipe liquid outlet and the short pipe liquid outlet is less than 10 ℃, feeding back information to a Battery Management System (BMS) through a controller, and preheating the battery through an electric heating film at the bottom of the battery;
step 3, if the temperature difference is less than 5 ℃ and the temperature of the battery near the long pipe liquid outlet and the short pipe liquid outlet is more than 10 ℃ and less than 20 ℃, cooling is not started for the moment; if the temperature difference is less than 5 ℃ and the temperature of the battery near the liquid outlet of the long pipe and the liquid outlet of the short pipe is more than 20 ℃ and less than 35 ℃, controlling the electromagnetic valve to open the N1 long pipes, enabling the cooling liquid of the N1 long pipes to flow in a crossed manner, adjusting the duty ratio of the water pump to control the flow rate of the cooling liquid, and cooling; if the temperature difference is less than 5 ℃ and the temperature of the batteries near the liquid outlets of the long pipes and the short pipe liquid outlets is more than 35 ℃ and less than 55 ℃, controlling the electromagnetic valves to simultaneously open N1 long pipes and N3 short pipes, adjusting the duty ratio to control the flow rate of the cooling liquid, and enabling the cooling liquid of N2 pipes to flow in a crossed manner to be cooled; and if the temperature of the battery near the liquid outlet is more than 55 ℃, stopping charging and giving an alarm for prompting.
The beneficial effects of the utility model reside in that:
1. the utility model discloses heat dissipation aluminum plate one side of thermal management system evenly distributed installs the slotted hole, is used for the location and the installation of heat dissipation aluminum pipe, and the opposite side is the plane, hugs closely the group battery; the radiating aluminum pipe is bent into an S shape, and the processing has certain flexibility and durability. Two heat dissipation aluminum plates are symmetrically arranged, and a heat dissipation aluminum pipe is arranged in the middle of the heat dissipation aluminum plate, so that the battery pack has great flexibility in installation, overhaul and maintenance. In addition, the combination of the structure of the heat dissipation aluminum plate and the heat dissipation aluminum pipe has large contact area and good heat transfer effect, and the heat dissipation aluminum pipes with different quantities can be arranged at different positions of the battery pack according to the actual situation of the battery pack, so that the temperature distribution consistency of the battery pack can be effectively ensured.
2. The utility model discloses thermal management system passes through the different position temperature of temperature sensor monitoring group battery, obtains the inside and outside difference in temperature, and the temperature rise condition, then feeds back to the controller, and controller drive water pump adjusts the coolant liquid velocity of flow, and controller drive solenoid valve adjusts the quantity and the flow direction of the heat dissipation aluminum pipe of opening, can effectively realize group battery cooling and temperature equalization control.
3. The utility model discloses the heat management method adopts interval temperature control strategy, during charging, according to the temperature of group battery, adjusts quantity, the coolant liquid velocity of flow, the coolant liquid flow direction of the cooling tube who circulates. Compared with the conventional heat management mode that the flow direction is fixed, the flow rate is fixed, the number of pipelines is fixed, the processing cost is high, the heat management mode has the advantages that heating and cooling can be realized, the overall temperature is balanced, the number of pipeline interfaces is small, and liquid leakage cannot be easily caused. Battery pack liquid cooling is a trend for future battery pack thermal management.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural diagram of a battery pack, a heat dissipation aluminum plate and a heat dissipation aluminum pipe of the lithium ion battery pack heat management system of the present invention;
fig. 2 is a schematic structural diagram of a controller, a water pump, a heating and cooling device of the lithium ion battery pack thermal management system of the present invention;
FIG. 3 is a schematic structural diagram of a heat dissipating aluminum plate of the lithium ion battery pack thermal management system of FIG. 1;
FIG. 4 is a schematic structural diagram of a heat-dissipating aluminum tube of the lithium-ion battery pack thermal management system shown in FIG. 1;
FIG. 5 is a schematic view of the assembly of the aluminum heat dissipating plate and the aluminum heat dissipating tube;
fig. 6 is a control flow chart of the lithium ion battery pack thermal management system of the present invention.
In the figure: 10. a battery pack; 20. a heat dissipation aluminum plate; 21. mounting a slotted hole; 30. a heat dissipation aluminum pipe; 40. a controller; 50. a water pump; 60. a heating and cooling device; 71. a liquid inlet of a long pipe; 72. a long tube liquid outlet; 81. A short pipe liquid inlet; 82. a short pipe liquid outlet.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, a lithium ion battery pack thermal management system according to an embodiment of the present invention includes a lithium ion battery pack 10, a heat dissipation aluminum plate 20, a heat dissipation aluminum pipe 30, a controller 40, a water pump 50, a heating and cooling device 60, and a temperature sensor (not shown). The heat dissipating aluminum plate 20 is manufactured by industrial processing, has good heat conductivity, and has a certain hardness. There are 5 aluminum heat dissipating plates 20, including 2 outer aluminum heat dissipating plates 20 located at both sides and 3 inner aluminum heat dissipating plates located therebetween. Every two of the 5 heat-dissipating aluminum plates 20 are placed in pairs, and a group of battery packs 10 is fixed between the adjacent pair of heat-dissipating aluminum plates 20. As shown in fig. 3, one side of the aluminum heat dissipating plate 20 is provided with 5 mounting slots 21 parallel to each other, the mounting slots 21 are used for positioning and placing the aluminum heat dissipating tubes 30, and the battery pack 10 is disposed on the surface of the aluminum heat dissipating plate 20. As shown in fig. 4-5, the aluminum heat dissipating tube 30 is bent into an S shape, and one aluminum heat dissipating tube 30 is correspondingly installed in the installation slot 21 at the same height of the aluminum heat dissipating plates 20; one end of the heat dissipation aluminum pipe 30 is a liquid inlet, and the other end is a liquid outlet. Specifically, the number of the heat dissipation aluminum pipes 30 is 5, and the heat dissipation aluminum pipes include 3 long pipes located in the middle and 1 short pipe located on the upper and lower sides of the 3 long pipes, the 3 long pipes penetrate through the 5 heat dissipation aluminum plates 20 of the battery pack 10, and the two ends of the 3 long pipes are respectively provided with a long pipe liquid inlet 71 and a long pipe liquid outlet 72; the 2 short tubes penetrate through the 3 inner side heat dissipation aluminum plates 20 of the battery pack 10, and the two ends are respectively provided with a short tube liquid inlet 81 and a short tube liquid outlet 82. The number of the temperature sensors is 4, and the temperature sensors are respectively fixed on the surfaces of the batteries near the liquid inlet and the liquid outlet of the heat dissipation aluminum pipe 30 through heat conduction glue so as to monitor the temperature of different positions of the battery pack 10 and feed temperature signals back to the controller 40. The controller 40 is connected with the water pump 50 and the heating and refrigerating device 60 respectively, the controller 40 makes judgment according to the collected information, the fluid temperature is adjusted by driving the heating and refrigerating device 60, and the fluid is conveyed to each liquid inlet by driving the water pump 50, so that the fluid flows circularly.
Further preferably, in this embodiment, the mounting slots 21 of the aluminum heat dissipation plate 20 are formed at equal intervals.
Further preferably, in this embodiment, the liquid inlet and the liquid outlet of the heat dissipation aluminum pipe 30 both extend beyond the heat dissipation aluminum plate 20, and the liquid inlet and the liquid outlet of the heat dissipation aluminum pipe 30 are respectively connected to the water pump 50 through a standard connector, so as to avoid liquid leakage, the joint is sealed with a sealant and a heat shrink tube.
Further, in this embodiment, the thermal management system of the lithium ion battery pack 10 further includes electromagnetic valves (not shown), and each heat dissipation aluminum pipe 30 corresponds to one electromagnetic valve to control on/off; the electromagnetic valves are connected with the controller 40, and the electromagnetic valves are controlled to adjust the number of the opened cooling pipelines by adopting an interval temperature control strategy according to the temperature rise of the battery pack 10, so that the balance of the overall temperature is achieved.
Further preferably, in this embodiment, the controller 40 can adjust the on-off of the cooling liquid in the heat dissipation aluminum pipe 30 by driving the electromagnetic valve, and the cooling liquid is matched with different liquid inlets connected with the water pump to form cross flow, so that the cross flow temperature distribution uniformity is better, and the temperature difference of the battery pack is smaller.
Further preferably, in the present embodiment, the battery pack 10 is a prismatic battery or a cylindrical battery.
Further preferably, in this embodiment, the heat dissipation aluminum pipe 30 is a circular pipe, a square pipe or a flat pipe, and the shape and the size of the mounting slot 21 on the heat dissipation aluminum plate 20 are adapted to the heat dissipation aluminum pipe 30.
Further preferably, in the present embodiment, the case of the battery pack 10 is wrapped with an insulating film; an electric heating film is laid in the battery box for preheating the battery pack 10.
Further preferably, in the present embodiment, the cooling liquid in the thermal management system of the lithium ion battery pack 10 is water or a mixture of water and ethylene glycol.
As shown in fig. 6, the thermal management method of the lithium ion battery pack thermal management system, which adopts an interval temperature control strategy, specifically includes the following steps:
step 1, respectively installing a temperature sensor on the surface of the battery attached with the long pipe liquid inlet 71, the long pipe liquid outlet 72, the short pipe liquid inlet 81 and the short pipe liquid outlet 82, and acquiring the temperature of the battery pack 10 in real time; if the temperature difference between the long pipe liquid inlet 71 and the long pipe liquid outlet 72 is less than 5 ℃ and the temperature difference between the short pipe liquid inlet 81 and the short pipe liquid outlet 82 is less than 5 ℃, the temperature difference falls within the normal range; if the temperature difference is larger than 5 ℃ and the temperature difference continuously rises, the controller 40 sends CAN information to a charger to stop charging and give an alarm for prompting;
step 2, if the temperature difference is less than 5 ℃ and the temperature of the battery near the long pipe liquid outlet 72 and the short pipe liquid outlet 82 is less than 10 ℃, feeding back information to a Battery Management System (BMS) through the controller 40, and preheating the battery through an electric heating film at the bottom of the battery;
step 3, if the temperature difference is less than 5 ℃ and the temperature of the battery near the long pipe liquid outlet 72 and the short pipe liquid outlet 82 is more than 10 ℃ and less than 20 ℃, cooling is not started for the moment; if the temperature difference is less than 5 ℃ and the temperature of the batteries near the long pipe liquid outlet 72 and the short pipe liquid outlet 82 is more than 20 ℃ and less than 35 ℃, controlling the electromagnetic valve to open the middle 3 long pipes, enabling the cooling liquid of the 3 long pipes to flow in a crossed manner, adjusting the duty ratio of the water pump 50 to control the flow rate of the cooling liquid, and cooling; if the temperature difference is less than 5 ℃ and the temperature of the batteries near the liquid outlets of the long pipe liquid outlet 72 and the short pipe liquid outlet 82 is more than 35 ℃ and less than 55 ℃, controlling the electromagnetic valves to simultaneously open 5 pipelines, adjusting the duty ratio to control the flow rate of the cooling liquid, and enabling the cooling liquid of the 5 pipelines to flow in a crossed manner to cool; and if the temperature of the battery near the liquid outlet is more than 55 ℃, stopping charging and giving an alarm for prompting.
The above is just an embodiment of the present invention, and the number of the cooling pipes is flexible and variable. The liquid cooling mode of the battery pack is not limited to cylindrical batteries, and can be applied to heat dissipation of square batteries and soft package batteries.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims (8)

1. A thermal management system of a lithium ion battery pack comprises the lithium ion battery pack and is characterized by further comprising a heat dissipation aluminum plate, a heat dissipation aluminum pipe, a controller, a water pump, a heating and refrigerating device and a temperature sensor; the heat dissipation aluminum plates are arranged pairwise, a group of battery packs are fixed between every two adjacent pairs of heat dissipation aluminum plates, a plurality of parallel mounting slotted holes are formed in one side of each heat dissipation aluminum plate and used for positioning and placing the heat dissipation aluminum pipes, and the battery packs are arranged on the surfaces of the heat dissipation aluminum plates; the heat dissipation aluminum pipes are bent into an S shape, and one heat dissipation aluminum pipe is correspondingly arranged in the mounting groove holes at the same height of the plurality of heat dissipation aluminum plates; one end of the heat dissipation aluminum pipe is a liquid inlet, and the other end of the heat dissipation aluminum pipe is a liquid outlet; the length of each S-shaped heat dissipation aluminum pipe is determined according to the length and width of the actual battery pack, and according to the difference design principle, the number of the corresponding heat dissipation aluminum pipes on the outer side of the battery pack is less than that of the corresponding heat dissipation aluminum pipes on the inner side of the battery pack; the temperature sensors are respectively arranged on the surfaces of the batteries near the liquid inlet and the liquid outlet of the heat dissipation aluminum pipe so as to monitor the temperature of the battery pack at different positions and feed temperature signals back to the controller; the controller is respectively connected with the water pump and the heating and refrigerating device, the temperature of the fluid is adjusted by driving the heating and refrigerating device, and the fluid is conveyed to each liquid inlet by driving the water pump, so that the fluid flows circularly.
2. The lithium ion battery pack thermal management system of claim 1, wherein mounting slots in the aluminum heat sink plate are equally spaced.
3. The lithium ion battery pack thermal management system according to claim 1, wherein the liquid inlet and the liquid outlet of the heat dissipation aluminum pipe both extend out of the heat dissipation aluminum plate, the liquid inlet and the liquid outlet of the heat dissipation aluminum pipe are respectively connected with the water pump, and in order to avoid liquid leakage, the joint is sealed by a sealant and a heat shrink pipe.
4. The lithium ion battery pack thermal management system according to claim 1, further comprising electromagnetic valves, wherein each heat dissipation aluminum pipe corresponds to one electromagnetic valve for controlling on and off; the electromagnetic valve is connected with the controller, and the electromagnetic valve is controlled to adjust the number of the opened cooling pipelines by adopting an interval temperature control strategy according to the temperature rise of the battery pack.
5. The lithium ion battery pack thermal management system of claim 1, wherein the battery pack is a prismatic cell or a cylindrical cell.
6. The lithium ion battery pack thermal management system of claim 1, wherein the heat-dissipating aluminum tubes are round tubes, square tubes or flat tubes, and the shape and size of the mounting slots on the heat-dissipating aluminum plates are adapted to the heat-dissipating aluminum tubes.
7. The lithium ion battery pack thermal management system of claim 1, wherein the battery pack housing comprises an insulating film; an electric heating film is laid in the battery box and used for preheating the battery pack.
8. The lithium ion battery pack thermal management system of claim 1, wherein the cooling liquid in the lithium ion battery pack thermal management system is water or a mixture of water and ethylene glycol.
CN201921305484.5U 2019-08-13 2019-08-13 Lithium ion battery pack thermal management system Expired - Fee Related CN211045653U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110474119A (en) * 2019-08-13 2019-11-19 许昌学院 A kind of Li-ion batteries piles heat management system and its thermal management algorithm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110474119A (en) * 2019-08-13 2019-11-19 许昌学院 A kind of Li-ion batteries piles heat management system and its thermal management algorithm
CN110474119B (en) * 2019-08-13 2024-06-11 许昌学院 Lithium ion battery pack thermal management system and thermal management method thereof

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