CN113328168B - Battery pack cooling structure based on water cooling plate and cooling method thereof - Google Patents

Battery pack cooling structure based on water cooling plate and cooling method thereof Download PDF

Info

Publication number
CN113328168B
CN113328168B CN202110586067.8A CN202110586067A CN113328168B CN 113328168 B CN113328168 B CN 113328168B CN 202110586067 A CN202110586067 A CN 202110586067A CN 113328168 B CN113328168 B CN 113328168B
Authority
CN
China
Prior art keywords
water
cooling
battery pack
pipe
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110586067.8A
Other languages
Chinese (zh)
Other versions
CN113328168A (en
Inventor
陈荣波
张勇
陈超鹏余
张超贺
龚绵圣
汪钟毓
许晓伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maanshan Nabaichuan Heat Exchanger Co ltd
Original Assignee
Maanshan Nabaichuan Heat Exchanger Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maanshan Nabaichuan Heat Exchanger Co ltd filed Critical Maanshan Nabaichuan Heat Exchanger Co ltd
Priority to CN202110586067.8A priority Critical patent/CN113328168B/en
Publication of CN113328168A publication Critical patent/CN113328168A/en
Application granted granted Critical
Publication of CN113328168B publication Critical patent/CN113328168B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
    • 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
    • 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
    • H01M10/63—Control systems
    • H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
    • 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
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • 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
    • 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
    • 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
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • 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
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • 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
    • 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 discloses a water-cooling plate-based battery pack cooling structure and a cooling method thereof, belonging to the technical field of battery pack cooling. The energy consumption caused by heat dissipation is reduced, the influence caused by heat generated by external environment temperature and self charge and discharge of the battery is reduced, the temperature uniformity of the energy storage battery is improved, and the service life of the battery is prolonged.

Description

Battery pack cooling structure based on water cooling plate and cooling method thereof
Technical Field
The invention relates to the technical field of battery pack cooling, in particular to a battery pack cooling structure based on a water cooling plate and a cooling method thereof.
Background
Along with the rapid development of energy storage trade, the security performance of battery receives more and more concern, and energy storage trade battery thermal management system mainly uses heat transfer efficiency low at present, and the heat dissipation homogeneity is poor, and the higher air conditioner heat dissipation of energy consumption is given first place to, from container formula energy storage cabinet one end design air conditioner air intake promptly, blows in cold wind, from terminal discharge steam. However, in the middle section of the container type energy storage cabinet, cold air is gradually heated, so that the rear end heat dissipation effect is poor, and the maximum temperature difference can reach 10 ℃; air cooling is only carried out by the outer frame aluminum product for heat conduction, and the heat conduction effect is poor; wherein, no matter be the segmentation design air outlet, still increase air conditioner power, the radiating effect of this container formula energy storage cabinet is all unsatisfactory, and need use a plurality of fans and powerful air conditioner among this prior art, and the radiating equipment's energy consumption is high.
Disclosure of Invention
The invention aims to provide a battery pack cooling structure based on a water cooling plate and a cooling method thereof, which can reduce energy consumption caused by heat dissipation, reduce the influence caused by external environment temperature and heat generated by charging and discharging of a battery, improve the temperature uniformity of the battery with stored energy, and prolong the service life of the battery, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a battery pack cooling structure based on a water cooling plate comprises a battery pack, an outer frame, a heat-conducting adhesive layer and a water cooling assembly, wherein the battery pack is installed in the middle of the outer frame, the heat-conducting adhesive layer is coated at the left end of the battery pack, and the water cooling assembly is fixedly bonded at the left end of the battery pack through the heat-conducting adhesive layer;
the left end of the outer frame is provided with an air inlet, the right end of the outer frame is provided with an air outlet, and the air inlet is provided with a fan;
the water cooling assembly comprises a water cooling plate, a circulating pump, a water inlet pipe, a water outlet pipe and a water replenishing pipe, wherein one side of the upper end of the water cooling plate is connected with the circulating pump through the water inlet pipe, one side of the lower end of the water cooling plate is connected with the circulating pump through the water outlet pipe, and the joint of the circulating pump and the water outlet pipe is also connected with the water replenishing pipe;
the water-cooling plate comprises a plate body, a water inlet nozzle, a water discharging nozzle, a heat exchange area, a liquid cooling area and a flow channel, wherein the right side of the upper end of the plate body is connected with a water inlet pipe through the water inlet nozzle, the right side of the lower end of the plate body is connected with a water discharging pipe through the water discharging nozzle, the water inlet nozzle and the water discharging nozzle are communicated with the heat exchange area, and the heat exchange area is connected with the liquid cooling area through the flow channel.
Further, the battery pack is formed by connecting a plurality of single batteries in parallel, and adjacent battery packs in the outer frame are connected in parallel through lines.
Further, the outer frame and the plate body are both aluminum members.
Further, all the series connection has the solenoid valve on inlet tube, drain pipe and the moisturizing pipe, and the equal electric connection of solenoid valve and circulating pump has the PLC controller.
Further, the liquid cooling district is provided with temperature sensor, and the series connection has the heat exchanger on the inlet tube, and the equal electric connection of temperature sensor and heat exchanger has the temperature controller.
Furthermore, an avoidance area is formed between the adjacent runners, and reinforcing ribs protruding outwards are arranged on the avoidance area.
According to another aspect of the present invention, there is provided a cooling method of a water-cooled plate-based battery pack cooling structure, including the steps of:
s101: bonding a water cooling plate to one side of the battery pack by using heat-conducting glue, and placing the battery pack into an outer frame, wherein the water cooling plate is close to an air inlet;
s102: one end of the water inlet pipe is connected with the water inlet nozzle, the other end of the water inlet pipe is connected with the circulating pump, one end of the water drain pipe is connected with the water drain nozzle, and the other end of the water drain pipe is connected with the circulating pump;
s103: injecting cooling liquid into the water cooling plate through a water supplementing pipe, wherein the cooling liquid circularly flows in a fixed circulating path under the driving of a circulating pump;
s104: the cooling liquid in the liquid cooling area absorbs the heat of the battery pack, and meanwhile, the fan drives the air flow to flow from the air inlet to the air outlet.
Furthermore, the cooling liquid flows through the circulating pump, the water inlet pipe, the water inlet nozzle, the heat exchange area and the liquid cooling area in sequence, then returns to the heat exchange area through the flow channel, and then flows through the water discharge nozzle and the water discharge pipe and enters the circulating pump to form a fixed circulating path.
Compared with the prior art, the invention has the beneficial effects that: according to the battery pack cooling structure based on the water cooling plate and the cooling method thereof, the air conditioner heat dissipation in the prior art is replaced by the water cooling plate heat dissipation, so that the energy consumption caused by heat dissipation is reduced; the side surface of each battery pack is provided with the water cooling plate for independent cooling, the water cooling plate is in contact with the battery pack in a heat conduction glue mode, the temperature difference of a single group of battery cells is not more than 5 ℃, the heat dissipation speed is improved, the influence caused by the external environment temperature and the heat generated by the charging and discharging of the battery is reduced, the temperature uniformity of the stored energy battery is improved, and the service life of the battery is prolonged.
Drawings
Fig. 1 is an external frame structure diagram of a water-cooled plate-based battery pack cooling structure according to an embodiment of the present invention;
fig. 2 is a structure diagram of an air outlet of a water-cooling-plate-based battery pack cooling structure according to an embodiment of the present invention;
FIG. 3 is a battery pack block diagram of a water-cooled plate based battery pack cooling configuration in an embodiment of the present invention;
fig. 4 is a water cooling assembly structure diagram of a water cooling plate-based battery pack cooling structure according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a battery pack thermal simulation temperature difference of a water-cooled plate-based battery pack cooling structure according to an embodiment of the present invention;
fig. 6 is a flow chart illustrating a cooling method of a water-cooled plate-based battery pack cooling structure according to an embodiment of the present invention;
fig. 7 is an overall structural view of a cooling structure of a battery pack in a comparative example of the present invention.
In the figure: 1. a battery pack; 2. an outer frame; 21. an air outlet; 22. an air inlet; 23. a fan; 3. a heat-conducting adhesive layer; 4. a water-cooling assembly; 41. a water-cooling plate; 411. a plate body; 412. a water inlet nozzle; 413. a water discharge nozzle; 414. a flow channel; 415. a heat exchange zone; 416. a liquid cooling zone; 42. a circulation pump; 43. a water inlet pipe; 44. a drain pipe; 45. a water replenishing pipe; 5. an air conditioner.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1 to 5, a battery pack cooling structure based on a water-cooling plate comprises a battery pack 1, an outer frame 2, a heat-conducting adhesive layer 3 and a water-cooling assembly 4, wherein the battery pack 1 is installed in the middle of the outer frame 2, the heat-conducting adhesive layer 3 is coated on the left end of the battery pack 1, the water-cooling assembly 4 is fixedly bonded on the left end of the battery pack 1 through the heat-conducting adhesive layer 3, the water-cooling plate 41 is designed on the side surface of each battery pack 1 for independent cooling, the water-cooling plate 41 is in contact with the battery pack 1 in a heat-conducting adhesive manner, so that the heat dissipation effect is improved, the battery pack 1 is formed by connecting a plurality of single batteries in parallel, the adjacent battery packs 1 in the outer frame 2 are connected in parallel through circuits, and the single batteries are connected in parallel to achieve heat prevention, as shown in fig. 5, the temperature difference of single battery cells does not exceed 5 ℃, and the heat dissipation is uniform; the outer frame 2 and the plate 411 are both aluminum members, heat is transferred to the aluminum plate 411 through circulation after the cooling liquid absorbs heat, the plate 411 transfers the heat to the outer frame 2, heat energy is continuously consumed in the heat transfer process, and natural heat dissipation is completed, wherein the heat conducting performance of the aluminum outer frame 2 and the aluminum plate 411 is excellent, the heat transfer speed can be increased, and the heat dissipation efficiency can be improved.
The left end of the outer frame 2 is provided with an air inlet 22, the right end of the outer frame 2 is provided with an air outlet 21, a fan 23 is installed at the air inlet 22, the air inlet 22 is designed from one end, normal-temperature air is blown in, the normal-temperature air passes through the water cooling plate 41 and then is subjected to heat exchange to form cold air, the cold air is subjected to heat exchange by the battery pack 1 when passing through the battery pack 1 to form hot air, and the hot air discharges hot air from the air outlet 21 at the tail end of the outer frame 2.
The water cooling assembly 4 comprises a water cooling plate 41, a circulating pump 42, a water inlet pipe 43, a water outlet pipe 44 and a water replenishing pipe 45, wherein one side of the upper end of the water cooling plate 41 is connected with the circulating pump 42 through the water inlet pipe 43, the circulating pump 42 is used for replacing air-conditioning refrigeration, so that the energy consumption of equipment caused by heat dissipation is reduced, one side of the lower end of the water cooling plate 41 is connected with the circulating pump 42 through the water outlet pipe 44, the joint of the circulating pump 42 and the water outlet pipe 44 is also connected with the water replenishing pipe 45, and the water replenishing pipe 45 can be used for replenishing or discharging cooling liquid; all series connection has the solenoid valve on inlet tube 43, drain pipe 44 and the moisturizing pipe 45, and the equal electric connection of solenoid valve and circulating pump 42 has the PLC controller, the circulation of PLC controller control pipeline and opening and close of circulating pump 42, and opening and close of this circulating pump 42 is according to group battery 1 and charges or discharge and go on, and when group battery 1 self did not carry out charge-discharge, this cooling cycle did not start, and the energy saving reduces the energy consumption.
The water cooling plate 41 comprises a plate body 411, a water inlet nozzle 412, a water discharge nozzle 413, a heat exchange area 415, a liquid cooling area 416 and a flow channel 414, wherein the right side of the upper end of the plate body 411 is connected with a water inlet pipe 43 through the water inlet nozzle 412, the right side of the lower end of the plate body 411 is connected with a water discharge pipe 44 through the water discharge nozzle 413, the water inlet nozzle 412 and the water discharge nozzle 413 are both communicated with the heat exchange area 415, the heat exchange area 415 is connected with the liquid cooling area 416 through the flow channel 414, the liquid cooling area 416 is provided with a temperature sensor, the water inlet pipe 43 is connected with the heat exchanger in series, and the temperature sensor and the heat exchanger are both electrically connected with a temperature controller, wherein the temperature sensor detects whether cooling liquid in the liquid cooling area 416 reaches a set temperature standard, and controls the heat exchanger independent of the water cooling plate 41 to start if the heat dissipation requirements cannot be met only by the water cooling assembly 4 and the outer frame 2, so as to exchange external heat energy, and enable the cooling liquid to normally absorb heat of the battery; an avoiding area is formed between the adjacent flow passages 414, and reinforcing ribs protruding outwards are arranged on the avoiding area to divide the water cooling plate 41 according to the functional area, so that the mixed flow of low-temperature and high-temperature cooling liquid is avoided.
Referring to fig. 6, in order to better show the cooling process of the water-cooled battery pack cooling structure, the present embodiment now provides a cooling method of the water-cooled battery pack cooling structure, including the following steps:
s101: bonding the water cooling plate 41 to one side of the battery pack 1 by using heat-conducting glue, and placing the battery pack 1 in the outer frame 2, wherein the water cooling plate 41 is close to the air inlet 22;
s102: one end of the water inlet pipe 43 is connected with the water inlet nozzle 412, the other end is connected with the circulating pump 42, one end of the water outlet pipe 44 is connected with the water outlet nozzle 413, and the other end is connected with the circulating pump 42;
s103: a cooling liquid is injected into the water cooling plate 41 through a water supplementing pipe 45, and the cooling liquid is driven by a circulating pump 42 to circularly flow in a fixed circulating path; the cooling liquid flows through the circulating pump 42, the water inlet pipe 43, the water inlet nozzle 412, the heat exchange area 415 and the liquid cooling area 416 in sequence, then returns to the heat exchange area 415 through the flow passage 414, and then flows through the water discharge nozzle 413 and the water discharge pipe 44 and enters the circulating pump 42 to form a fixed circulating path;
s104: the coolant in liquid cooling district 416 district absorbs group battery 1 heat, and simultaneously, fan 23 drive air current flows from air intake 22 to air outlet 21 department, reduces the influence that the heat that produces because of external environment temperature and the charge-discharge of battery self caused, lets the battery temperature uniformity of energy storage better, increases the life of battery.
Comparative example
Referring to fig. 7, the comparative example is different from the embodiment only in that the comparative example uses an air conditioner 5 to dissipate heat instead of a water cooling plate 41, and the cooling structure of the battery pack 1 in the comparative example includes a battery pack 1, an outer frame 2 and an air conditioner 5, the battery pack 1 is installed in the middle of the outer frame 2, the battery pack 1 is formed by connecting a plurality of single cells in parallel, adjacent battery packs 1 are connected in parallel through a line, each battery pack 1 is provided with a fan 23, the outer frame 2 is an aluminum component, the left end of the outer frame 2 is provided with an air outlet 21, the right end of the outer frame 2 is provided with an air inlet 22, the fan 23 is installed at the air inlet 22, the air conditioner 5 is installed outside the air inlet 22, an air inlet 22 is designed from one end, normal temperature air is cooled by the air conditioner 5 to form cold air, the cold air is blown into a container type energy storage cabinet from the air inlet 22, and hot air is discharged from the air outlet 21 at the tail end of the energy storage cabinet.
Selecting 1000 container type energy storage cabinets with the same structure and battery parameters, respectively installing 500 air conditioners 5 or water cooling assemblies 4 on the energy storage cabinets by using the heat dissipation modes in the embodiment and the comparative example, starting to operate the container type energy storage cabinets for 24 hours, and counting relevant data about heat dissipation in the embodiment and the comparative example, wherein the statistical data are shown in the following table 1:
table 1 relevant data on heat dissipation in examples and comparative examples
Figure GDA0003845699660000061
Figure GDA0003845699660000071
Calculating the formula: q = h (tw-tf), wherein q: the convection heat exchange tw-tf is the fluid temperature difference;
and (4) conclusion: under the same circumstances of the difference in temperature, the heat transfer power of liquid cooling is 10 times of air heat transfer power, and the liquid cooling heat dissipation scheme effect that uses water-cooling plate 41 is better, uses the radiating power of liquid-cooling plate to be less than far away and uses air conditioner 5 heat dissipation, and the heat dissipation scheme that uses the liquid-cooling plate is more advantageous to the aspect of the power consumption.
In conclusion: according to the battery pack 1 cooling structure based on the water cooling plate 41 and the cooling method thereof, heat dissipation of the air conditioner 5 in the prior art is replaced by heat dissipation of the water cooling plate 41, and energy consumption caused by heat dissipation is reduced; the side surface of each battery pack 1 is provided with the water cooling plate 41 for independent cooling, the water cooling plate 41 is in contact with the battery pack 1 in a heat conducting glue mode, the temperature difference of a single group of battery cells is not more than 5 ℃, the heat dissipation speed is improved, the influence caused by the heat generated by the external environment temperature and the charging and discharging of the battery is reduced, the temperature uniformity of the stored energy battery is improved, and the service life of the battery is prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (8)

1. The battery pack cooling structure based on the water cooling plate is characterized by comprising a battery pack (1), an outer frame (2), a heat-conducting adhesive layer (3) and a water cooling assembly (4), wherein the battery pack (1) is installed in the middle of the outer frame (2), the heat-conducting adhesive layer (3) is coated at the left end of the battery pack (1), and the water cooling assembly (4) is fixedly bonded at the left end of the battery pack (1) through the heat-conducting adhesive layer (3);
an air inlet (22) is formed in the left end of the outer frame (2), an air outlet (21) is formed in the right end of the outer frame (2), and a fan (23) is installed at the air inlet (22);
the water cooling assembly (4) comprises a water cooling plate (41), a circulating pump (42), a water inlet pipe (43), a water outlet pipe (44) and a water replenishing pipe (45), wherein one side of the upper end of the water cooling plate (41) is connected with the circulating pump (42) through the water inlet pipe (43), one side of the lower end of the water cooling plate (41) is connected with the circulating pump (42) through the water outlet pipe (44), and the joint of the circulating pump (42) and the water outlet pipe (44) is also connected with the water replenishing pipe (45);
the water-cooling plate (41) comprises a plate body (411), a water inlet nozzle (412), a water discharging nozzle (413), a heat exchange area (415), a liquid cooling area (416) and a flow channel (414), wherein the water inlet nozzle (412) is connected to the right side of the upper end of the plate body (411), a water inlet pipe (43) is connected to the right side of the lower end of the plate body (411), the water discharging nozzle (413) is connected to a water discharging pipe (44), the water inlet nozzle (412) and the water discharging nozzle (413) are communicated with the heat exchange area (415), and the heat exchange area (415) is connected with the liquid cooling area (416) through the flow channel (414).
2. A water-cooled plate based battery pack cooling structure as claimed in claim 1, wherein the battery pack (1) is formed by connecting a plurality of single cells in parallel with each other, and adjacent battery packs in the outer frame (2) are connected in parallel with each other by a line.
3. A water-cooled plate based battery pack cooling structure as claimed in claim 1, wherein the outer frame (2) and the plate body (411) are both aluminum members.
4. The battery pack cooling structure based on the water cooling plate as recited in claim 1, wherein the water inlet pipe (43), the water outlet pipe (44) and the water replenishing pipe (45) are all connected with electromagnetic valves in series, and the electromagnetic valves and the circulating pump (42) are all electrically connected with a PLC controller.
5. A water-cooled plate based battery pack cooling structure as claimed in claim 1, wherein the liquid cooling zone (416) is provided with a temperature sensor, the water inlet pipe (43) is connected in series with a heat exchanger, and both the temperature sensor and the heat exchanger are electrically connected with a temperature controller.
6. A water-cooled plate based battery pack cooling structure as claimed in claim 1, wherein an avoiding region is formed between adjacent flow passages (414), and the avoiding region is provided with an outwardly protruding reinforcing rib.
7. A method of cooling a water-cooled plate based battery pack cooling arrangement as claimed in any one of claims 1 to 6, comprising the steps of:
s101: the water cooling plate (41) is bonded to one side of the battery pack (1) by using heat conducting glue, the battery pack (1) is placed in the outer frame (2), and the water cooling plate (41) is close to the air inlet (22);
s102: one end of the water inlet pipe (43) is connected with the water inlet nozzle (412), the other end of the water inlet pipe is connected with the circulating pump (42), one end of the water outlet pipe (44) is connected with the water outlet nozzle (413), and the other end of the water outlet pipe is connected with the circulating pump (42);
s103: injecting cooling liquid into the water cooling plate (41) through a water supplementing pipe (45), wherein the cooling liquid is driven by a circulating pump (42) to circularly flow in a fixed circulating path;
s104: the cooling liquid in the liquid cooling area (416) absorbs the heat of the battery pack (1), and meanwhile, the fan (23) drives the air flow to flow from the air inlet (22) to the air outlet (21).
8. The cooling method of a water-cooled plate based battery pack cooling structure according to claim 7, wherein the cooling fluid flows through a circulation pump (42), a water inlet pipe (43), a water inlet nozzle (412), a heat exchange area (415) and a liquid cooling area (416) in sequence, then returns to the heat exchange area (415) through a flow passage (414), and then flows through a water discharge nozzle (413) and a water discharge pipe (44) and enters the circulation pump (42) to form a fixed circulation path.
CN202110586067.8A 2021-05-27 2021-05-27 Battery pack cooling structure based on water cooling plate and cooling method thereof Active CN113328168B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110586067.8A CN113328168B (en) 2021-05-27 2021-05-27 Battery pack cooling structure based on water cooling plate and cooling method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110586067.8A CN113328168B (en) 2021-05-27 2021-05-27 Battery pack cooling structure based on water cooling plate and cooling method thereof

Publications (2)

Publication Number Publication Date
CN113328168A CN113328168A (en) 2021-08-31
CN113328168B true CN113328168B (en) 2022-11-04

Family

ID=77421657

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110586067.8A Active CN113328168B (en) 2021-05-27 2021-05-27 Battery pack cooling structure based on water cooling plate and cooling method thereof

Country Status (1)

Country Link
CN (1) CN113328168B (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013016301A (en) * 2011-07-01 2013-01-24 Hitachi Vehicle Energy Ltd Power storage module
CN107768773A (en) * 2017-10-31 2018-03-06 华南理工大学 The High Efficiency Thermal management system and control method of a kind of large-sized power battery
CN207098009U (en) * 2017-07-03 2018-03-13 深圳市沃特玛电池有限公司 A kind of air-cooled battery bag
CN109449529A (en) * 2018-10-22 2019-03-08 合肥先杰新能源科技有限公司 A kind of new energy resource power battery cooling structure
CN110137624A (en) * 2019-06-13 2019-08-16 赵耀华 A kind of the lithium battery pack double mode heat management system and method for energy-saving safe
CN209298303U (en) * 2018-11-26 2019-08-23 河南英开电气股份有限公司 A kind of new energy battery heat dissipation device
CN209447887U (en) * 2019-02-28 2019-09-27 淮安信息职业技术学院 A kind of Vehicular battery heat radiation rack with pooling feature
CN111969275A (en) * 2020-07-13 2020-11-20 广东工业大学 Liquid cooling combines forced air cooling's battery cooling box
CN212209707U (en) * 2020-07-20 2020-12-22 青海柴达木职业技术学院(海西蒙古族藏族自治州职业技术学校) New energy automobile group battery heat radiation structure
CN112332011A (en) * 2019-07-16 2021-02-05 浙江景凡环境科技有限公司 New energy automobile battery box that radiating effect is good
CN212485440U (en) * 2020-07-02 2021-02-05 天津职业技术师范大学(中国职业培训指导教师进修中心) Battery heat abstractor for electric automobile

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6624364B2 (en) * 2014-07-18 2019-12-25 パナソニックＩｐマネジメント株式会社 Electronic equipment rack and storage battery storage system
CN106299536A (en) * 2015-05-28 2017-01-04 北京波士顿动力电池有限公司 A kind of cold battery modules of expandable type liquid for electric automobile

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013016301A (en) * 2011-07-01 2013-01-24 Hitachi Vehicle Energy Ltd Power storage module
CN207098009U (en) * 2017-07-03 2018-03-13 深圳市沃特玛电池有限公司 A kind of air-cooled battery bag
CN107768773A (en) * 2017-10-31 2018-03-06 华南理工大学 The High Efficiency Thermal management system and control method of a kind of large-sized power battery
CN109449529A (en) * 2018-10-22 2019-03-08 合肥先杰新能源科技有限公司 A kind of new energy resource power battery cooling structure
CN209298303U (en) * 2018-11-26 2019-08-23 河南英开电气股份有限公司 A kind of new energy battery heat dissipation device
CN209447887U (en) * 2019-02-28 2019-09-27 淮安信息职业技术学院 A kind of Vehicular battery heat radiation rack with pooling feature
CN110137624A (en) * 2019-06-13 2019-08-16 赵耀华 A kind of the lithium battery pack double mode heat management system and method for energy-saving safe
CN112332011A (en) * 2019-07-16 2021-02-05 浙江景凡环境科技有限公司 New energy automobile battery box that radiating effect is good
CN212485440U (en) * 2020-07-02 2021-02-05 天津职业技术师范大学(中国职业培训指导教师进修中心) Battery heat abstractor for electric automobile
CN111969275A (en) * 2020-07-13 2020-11-20 广东工业大学 Liquid cooling combines forced air cooling's battery cooling box
CN212209707U (en) * 2020-07-20 2020-12-22 青海柴达木职业技术学院(海西蒙古族藏族自治州职业技术学校) New energy automobile group battery heat radiation structure

Also Published As

Publication number Publication date
CN113328168A (en) 2021-08-31

Similar Documents

Publication Publication Date Title
CN205921051U (en) Liquid cooling type thermal management system of battery package
CN111403850A (en) Dynamic liquid cooling thermal management system for power battery
CN108075081A (en) Battery pack, battery pack and the vehicle with the battery pack
CN209126471U (en) Pure electric automobile heat management system
CN110660944B (en) Power battery pack heat dissipation device with heat pipe device and heat dissipation method thereof
CN112864490A (en) Bubbling type power battery thermal management system based on refrigerant gas-liquid two-phase heat exchange
CN115000577A (en) Energy storage cabinet temperature control system and temperature control method
CN213636112U (en) Water chilling unit and energy storage system
CN219696549U (en) Novel thermal management unit of wind power energy storage battery
CN210607377U (en) Power battery pack heat dissipation device with heat pipe device
CN113328168B (en) Battery pack cooling structure based on water cooling plate and cooling method thereof
CN207883761U (en) Battery pack, battery pack and the vehicle with the battery pack
CN216903111U (en) Hybrid external cooling system for energy storage battery
CN110120566A (en) A kind of power battery cooling system for electronic vehicle and electric car
CN216684109U (en) Charging cooling system and power exchanging station and energy storage station comprising same
WO2023082912A1 (en) Energy storage device
CN115566316A (en) Battery module and temperature control method thereof
CN213586803U (en) Cooling system for data center
CN111342167B (en) Power battery thermal management system based on pole lug air cooling mode
CN112952139B (en) Fuel cell heat dissipation system
CN209298304U (en) A kind of battery pack heat management system and vehicle
CN113660835A (en) Integrated cooling system and method for energy storage alternating current side
CN218299953U (en) Battery module cooling system, battery box and energy storage equipment
CN219144290U (en) Battery temperature control system
CN110364651A (en) A kind of cooling power battery thermal management system of translator waste heat recycling bimodulus

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A cooling structure and cooling method for battery packs based on water-cooled plates

Effective date of registration: 20231219

Granted publication date: 20221104

Pledgee: Anhui Ma'anshan Rural Commercial Bank Co.,Ltd.

Pledgor: Maanshan Nabaichuan Heat Exchanger Co.,Ltd.

Registration number: Y2023980072678