CN111653709A - Immersion type liquid cooling battery pack - Google Patents
Immersion type liquid cooling battery pack Download PDFInfo
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- CN111653709A CN111653709A CN202010652360.5A CN202010652360A CN111653709A CN 111653709 A CN111653709 A CN 111653709A CN 202010652360 A CN202010652360 A CN 202010652360A CN 111653709 A CN111653709 A CN 111653709A
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- liquid
- cooling
- front beam
- box body
- battery pack
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides an immersion type liquid cooling battery pack, which comprises: the battery module is arranged in the box body, the cooling liquid is arranged in the box body, and the liquid inlet and the liquid outlet are arranged on the box body. The invention has the beneficial effects that: through the design formula liquid cooling battery package of soaking for the battery module soaks in the endless coolant liquid, improves cooling efficiency, improves the samming performance of battery package.
Description
Technical Field
The invention relates to the technical field of battery equipment, in particular to an immersion type liquid cooling battery pack.
Background
The lithium battery generates a large amount of heat in the discharging and charging processes to increase the temperature of the battery pack, but the optimum charging and discharging temperature range of the current lithium battery is about 20-40 ℃, overheating can cause the performance reduction of the battery and even the risk of combustion, and therefore a certain measure must be adopted to control the excessive temperature increase during charging and discharging. The current temperature control means of the battery pack comprises: passive air cooling, active air cooling and active cooling of the liquid cooling plate on the bottom surface of the battery core.
In the current battery pack cooling means, passive air cooling has the defects of low cooling efficiency and large battery temperature difference; the sealing performance of the whole battery pack cannot be realized by active air cooling, and the cooling efficiency is low; the active cooling efficiency of the liquid cooling plate on the bottom surface of the battery core is general, and the battery is cooled on a single surface, so that the defect of large integral temperature difference is overcome.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides an immersion type liquid cooling battery pack.
The technical scheme for solving the technical problems is as follows: an immersion liquid cooled battery pack, comprising: the battery cooling system comprises a box body for loading battery modules, cooling liquid for cooling the battery modules, at least one battery module, a liquid inlet for inputting the cooling liquid into the box body and a liquid outlet for outputting the cooling liquid in the box body; the battery module sets up in the box, the coolant liquid is filled in the box, the battery module soaks and sets up in the coolant liquid, go into the liquid mouth and the liquid outlet sets up on the box.
The invention has the beneficial effects that: through the design formula liquid cooling battery package of soaking for the battery module soaks in the endless coolant liquid, improves cooling efficiency, improves the samming performance of battery package.
Further, the case includes: bottom plate, a plurality of drain board, front-axle beam and back beam, it is a plurality of the drain board is followed the left and right sides direction of bottom plate sets up with spacing each other on the bottom plate, the front-axle beam sets up the front end of bottom plate, the back beam sets up the rear end of bottom plate, the front-axle beam with the back beam sets up respectively both ends around the drain board, the battery module sets up between two adjacent drain boards, go into the liquid mouth and the liquid outlet sets up on the front-axle beam.
The beneficial effect of adopting the further scheme is that: the setting of a plurality of drain boards separates the box for a plurality of cooling channel, and the coolant liquid of being convenient for circulates in cooling channel, and the insulating liquid of fluoridizing of flowing cooling is all arranged in on the four sides of whole battery module, has very good cooling effect and samming effect, makes the battery be in suitable temperature range, gives play to the best performance of battery.
Furthermore, the front beam and the rear beam are of a hollow structure, the liquid inlet and the liquid outlet are arranged on the outer side wall of the front beam, a plurality of first inner liquid ports are formed in the inner side wall of the front beam, a plurality of second inner liquid ports are formed in the inner side wall of the rear beam, and one first inner liquid port and one second inner liquid port are formed in a cavity between every two adjacent liquid guide plates.
The beneficial effect of adopting the further scheme is that: interior liquid mouth set up for with inside the coolant liquid input box, perhaps export the coolant liquid from the box is inside, improve the coolant liquid flow property of box, the cooling insulation of flow is all arranged in on the four sides of whole battery module and is fluoridized the liquid, has very good cooling effect and samming effect, makes the battery be in suitable temperature range, has played the best performance of battery.
Further, the front beam and the back beam are respectively provided with a front beam liquid baffle plate and a back beam liquid baffle plate inside, and the liquid inlet and the liquid outlet are respectively positioned at the left side and the right side of the front beam liquid baffle plate.
The beneficial effect of adopting the further scheme is that: go into the liquid mouth and the liquid outlet is located the left and right sides that the front beam kept off the liquid board respectively for the coolant liquid of input box gets into the box along first passageway, after the cavity mesocycle round of box, flows at the liquid outlet, improves the cooling efficiency of battery package, and inside cavity is equipped with the fender liquid board in the middle of, forms the runner of insulating liquid of fluoridizing, and forms the parallelly connected runner of being divided into two, in order to reduce entire system's flow resistance, alleviates the pressure load to the pump.
Furthermore, the top end and the bottom end of the front beam liquid baffle plate are respectively abutted against the top inner wall and the bottom inner wall of the front beam;
the bottom end of the rear beam liquid baffle is connected with the inner wall of the bottom of the rear beam, and a notch for flowing of cooling liquid is formed between the top end of the rear beam liquid baffle and the inner wall of the top end of the rear beam;
or the top end of the back beam liquid baffle plate is connected with the inner wall of the top of the back beam, and a notch for flowing of cooling liquid is formed between the bottom end of the back beam liquid baffle plate and the inner wall of the bottom end of the back beam.
The beneficial effect of adopting the further scheme is that: the arrangement of the notch of the liquid baffle plate of the back beam facilitates the communication between the liquid ports in the second and the circulation and circulation of the cooling liquid in the back beam. The cooling effect of the battery pack is improved, the temperature difference condition of the battery pack is reduced, the battery can exert the maximum performance at the optimum temperature, and the battery pack is particularly suitable for the high-rate charging and high-power discharging working conditions of an automobile.
Further, the liquid inlet and a first inner liquid port on the left side of the front beam are arranged at the bottom of the left side of the front beam, the liquid outlet and a first inner liquid port on the right side of the front beam are arranged at the top of the right side of the front beam, a second inner liquid port on the left side of the rear beam is arranged at the top of the left side of the rear beam, and a second inner liquid port on the right side of the rear beam is arranged at the bottom of the right side of the rear beam;
or, go into liquid mouth and the left first interior liquid mouth setting of front-axle beam and be in the left side top of front-axle beam, the liquid mouth sets up in the first interior liquid mouth on liquid outlet and front-axle beam right side the right side bottom of front-axle beam, the liquid mouth sets up the left side bottom at the back-axle beam in the left second of back-axle beam, and the liquid mouth sets up the right side top at the back-axle beam in the second on back-axle beam right side.
The beneficial effect of adopting the further scheme is that: the interior liquid mouth position of different height positions makes the coolant liquid fill in the box inside at the flow in-process, and the four sides of whole battery module all arrange the insulating fluoridizing liquid of flowing cooling in, have very good cooling effect and samming effect, make the battery be in suitable temperature range, exert the best performance of battery.
Further, still include: and the via hole electric connector is used for connecting the inside of the high-voltage line and is arranged on the liquid guide plate.
The beneficial effect of adopting the further scheme is that: the liquid guide plate is provided with a via hole electric connector to facilitate the internal connection of a high-voltage line.
Further, still include: the box body is of an open-top structure, and the cover body is arranged at the open-top position of the box body.
The beneficial effect of adopting the further scheme is that: the setting of lid for sealed box improves the cooling efficiency of box, prevents that external dust from getting into in the box.
Further, still include: and the sealing strip is arranged at the connecting position between the cover body and the box body.
The beneficial effect of adopting the further scheme is that: the sealing performance of box is improved in the setting of sealing strip, improves the radiating efficiency, prevents that the coolant liquid from spilling.
Further, the cooling liquid is cooling insulating fluorinated liquid.
The beneficial effect of adopting the further scheme is that: the cooling liquid is cooling insulation fluorinated liquid, improves the radiating efficiency, prevents to take place the short circuit phenomenon between the battery module, improves the stability and the reliability of battery package.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a box provided in an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an immersion type liquid-cooled battery pack according to an embodiment of the present invention.
Fig. 3 is a schematic view of the flow of the cooling liquid in the tank according to the embodiment of the present invention.
Fig. 4 is a cross-sectional view of an immersion liquid-cooled battery pack according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a front beam according to an embodiment of the present invention.
The reference numbers illustrate: 1-a box body; 2-a battery module; 3-a liquid inlet; 4-a liquid outlet; 5-a bottom plate; 6-liquid guide plate; 7-front beam; 8-rear beam; 9-a first internal liquid port; 10-a second internal fluid port; 11-front beam liquid baffle; 12-a via electrical connection; 13-a cover body; 14-sealing strip.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 2, an embodiment of the present invention provides an immersion type liquid-cooled battery pack, which includes: the cooling system comprises a box body 1 for loading a battery module 2, cooling liquid for cooling the battery module 2, at least one battery module 2, a liquid inlet 3 for inputting the cooling liquid into the box body 1 and a liquid outlet 4 for outputting the cooling liquid in the box body 1;
the battery module 2 is arranged in the box body 1, the cooling liquid is filled in the box body 1, the battery module is soaked in the cooling liquid, and the liquid inlet 3 and the liquid outlet 4 are arranged on the box body 1.
The invention has the beneficial effects that: through the design formula liquid cooling battery package of soaking for the battery module soaks in the endless coolant liquid, improves cooling efficiency, improves the samming performance of battery package.
A square annular gap which is not more than 10mm and is formed by the bottom surface of the lower box body (namely the box body), the liquid guide plates at the two sides of the module, the upper cover (namely the cover body) and the battery module is a cooling insulation fluorinated liquid flow channel; the liquid guide plate is provided with a through hole electric connector to facilitate the internal connection of a high-voltage line; the positions of the liquid ports at different heights enable liquid to fill the interior of the box body in the flowing process; the upper cover, the liquid guide plate and the sealing strip are connected through bolts to form a sealed module flow channel; the beams at the two ends of the lower box body are not only bearing structure beams, but also liquid flow channels, are manufactured by a section bar extrusion process in a shape like the Chinese character 'mu', are hollow inside, are provided with a liquid baffle in the middle, form flow channels of insulating fluorinated liquid and form parallel flow channels divided into two parts so as to reduce the flow resistance of the whole system and reduce the pressure load on the pump; a square annular gap which is not more than 10mm and is formed by the bottom surface of the lower box body, the liquid guide plates on the two sides of the module, the upper cover and the battery module is a cooling insulation fluorinated liquid flow channel; the liquid guide plate is provided with a through hole electric connector to facilitate the internal connection of a high-voltage line; the positions of the liquid ports at different heights enable liquid to fill the interior of the box body in the flowing process; the upper cover, the liquid guide plate and the sealing strip are connected through bolts to form a sealed module flow channel; the beams at the two ends of the lower box body are not only bearing structure beams, but also liquid flow channels, are manufactured by a section bar extrusion process in a shape like the Chinese character 'mu', are hollow inside, are provided with a liquid baffle in the middle, form flow channels of insulating fluorinated liquid and form parallel flow channels divided into two parts, so that the flow resistance of the whole system is reduced, and the pressure load on the pump is lightened.
The cooling effect of the battery pack is improved, the temperature difference condition of the battery pack is reduced, the battery can exert the maximum performance at the optimum temperature, and the battery pack is particularly suitable for the high-rate charging and high-power discharging working conditions of an automobile.
The immersion type liquid cooling battery pack mainly comprises a lower box body (namely the box body), a liquid guide plate, an upper cover (namely the cover body), cooling insulation fluorinated liquid, a sealing strip, a plurality of battery modules and other main parts. The lower box body and the liquid guide plate form a space A for placing the module, the battery module is placed in the space A and fixed through bolts, and the upper cover, the edge of the lower box body and the upper edge of the liquid guide plate are connected through the sealing strips through the bolts to form a closed space. The square annular gap which is formed by the liquid guide plates on the bottom surface of the lower box body and two sides of the battery module, the upper cover and the battery module and is not more than 10mm is a flow channel for cooling the insulating fluorinated liquid. The beams at the two ends of the lower box body are manufactured by a profile extrusion process, and the interior of the lower box body is hollow, so that a flow channel of the insulating fluorinated liquid is formed. The front beam is provided with a liquid inlet, a liquid outlet and four internal liquid ports, and the rear beam is provided with four internal liquid ports. Wherein the liquid inlet and the internal liquid port of the front beam are positioned at the lower part of the box body, the internal liquid port at the corresponding rear beam is positioned at the high part of the box body, the liquid outlet and the internal liquid port of the front beam are positioned at the high part of the box body, and the internal liquid port at the corresponding rear beam is positioned at the lower part of the box body. The front beam and the rear beam are sections with cross sections in a shape like a Chinese character 'mu', the upper cavity and the lower cavity are liquid inlet and outlet flow passages, the middle part is provided with a liquid baffle plate, and the two ends of the whole front beam are sealed by side beams of the box body. The liquid guide plate is provided with a via hole electric connector to facilitate the internal connection of a high-voltage line.
As shown in fig. 3, the arrows in the figure represent the flow direction of the cooling liquid. The flow direction of the cooling liquid in the whole battery pack is as follows: the liquid inlet of the front beam (namely a liquid inlet), 2 liquid inlets in the front beam, 2 annular flow channels formed by the battery modules, the box body and the liquid guide plate, a back beam inner flow channel, 2 annular flow channels formed by the battery modules, the box body and the liquid guide plate, and 2 liquid inlets in the front beam, 2 front beam and the front beam, are formed in the box body and the liquid guide plate. The whole liquid cooling flow channel is in a 2-path parallel connection mode, the flow resistance is low, and the load on the pump is small.
Four sides of the whole battery module are all placed in flowing cooling insulating fluorinated liquid, so that the battery module has a good cooling effect and a good temperature equalizing effect, the battery is in a proper temperature range, and the best performance of the battery is achieved.
A square annular gap which is not more than 10mm and is formed by the liquid guide plates on the bottom surface of the lower box body and two sides of the battery module, the upper cover and the battery module is a cooling insulation fluorinated liquid flow channel; the liquid guide plate is provided with a through hole electric connector to facilitate the internal connection of a high-voltage line; the positions of the liquid ports at different heights enable liquid to fill the interior of the box body in the flowing process; the upper cover, the liquid guide plate and the sealing strip are connected through bolts to form a sealed module flow channel; the beams at the two ends of the lower box body are not only bearing structure beams, but also liquid flow channels, are manufactured by a section bar extrusion process in a shape like the Chinese character 'mu', are hollow inside, are provided with a liquid baffle in the middle, form flow channels of insulating fluorinated liquid and form parallel flow channels divided into two parts, so that the flow resistance of the whole system is reduced, and the pressure load on the pump is lightened.
Four sides of the whole battery module are all placed in flowing cooling insulating fluorinated liquid, so that the battery module has a good cooling effect and a good temperature equalizing effect, the battery is in a proper temperature range, and the best performance of the battery is achieved. Meanwhile, the flow resistance of the whole system is reduced by the liquid cooling flow channels connected in parallel, and the pressure load of the pump is reduced.
Further, as shown in fig. 1 and 2, the case 1 includes: bottom plate 5, a plurality of drain board 6, front beam 7 and back beam 8, it is a plurality of drain board 6 is followed bottom plate 5's left and right sides orientation sets up with spacing each other on bottom plate 5, front beam 7 sets up the front end of bottom plate 5, back beam 8 sets up the rear end of bottom plate 5, front beam 7 and back beam 8 sets up respectively both ends around drain board 6, battery module 2 sets up between two adjacent drain boards 6, go into liquid mouth 3 and liquid outlet 4 sets up on the front beam 7.
The beneficial effect of adopting the further scheme is that: the setting of a plurality of drain boards separates the box for a plurality of cooling channel, and the coolant liquid of being convenient for circulates in cooling channel, and the insulating liquid of fluoridizing of flowing cooling is all arranged in on the four sides of whole battery module, has very good cooling effect and samming effect, makes the battery be in suitable temperature range, gives play to the best performance of battery.
Further, as shown in fig. 1 and 5, the front beam 7 and the rear beam 8 are hollow structures, the liquid inlet 3 and the liquid outlet 4 are disposed on an outer side wall of the front beam 7, a plurality of first inner liquid ports 9 are disposed on an inner side wall of the front beam 7, a plurality of second inner liquid ports 10 are disposed on an inner side wall of the rear beam 8, and one first inner liquid port 9 and one second inner liquid port 10 are disposed in a cavity between two adjacent liquid guide plates 5.
The beneficial effect of adopting the further scheme is that: interior liquid mouth set up for with inside the coolant liquid input box, perhaps export the coolant liquid from the box is inside, improve the coolant liquid flow property of box, the cooling insulation of flow is all arranged in on the four sides of whole battery module and is fluoridized the liquid, has very good cooling effect and samming effect, makes the battery be in suitable temperature range, has played the best performance of battery.
Further, as shown in fig. 5, a front beam liquid baffle 11 and a rear beam liquid baffle are respectively disposed inside the front beam 7 and the rear beam 8, and the liquid inlet 3 and the liquid outlet 4 are respectively located on the left and right sides of the front beam liquid baffle 11.
The beneficial effect of adopting the further scheme is that: go into the liquid mouth and the liquid outlet is located the left and right sides that the front beam kept off the liquid board respectively for the coolant liquid of input box gets into the box along first passageway, after the cavity mesocycle round of box, flows at the liquid outlet, improves the cooling efficiency of battery package, and inside cavity is equipped with the fender liquid board in the middle of, forms the runner of insulating liquid of fluoridizing, and forms the parallelly connected runner of being divided into two, in order to reduce entire system's flow resistance, alleviates the pressure load to the pump.
Further, as shown in fig. 5, the top end and the bottom end of the front beam liquid baffle 11 are respectively abutted against the top inner wall and the bottom inner wall of the front beam 7;
the bottom end of the rear beam liquid baffle plate is connected with the inner wall of the bottom of the rear beam 8, and a notch for flowing of cooling liquid is formed between the top end of the rear beam liquid baffle plate and the inner wall of the top end of the rear beam 8;
or the top end of the back beam liquid baffle plate is connected with the inner wall of the top of the back beam 8, and a notch for flowing of cooling liquid is formed between the bottom end of the back beam liquid baffle plate and the inner wall of the bottom end of the back beam 8.
The beneficial effect of adopting the further scheme is that: the arrangement of the notch of the liquid baffle plate of the back beam facilitates the communication between the liquid ports in the second and the circulation and circulation of the cooling liquid in the back beam. The cooling effect of the battery pack is improved, the temperature difference condition of the battery pack is reduced, the battery can exert the maximum performance at the optimum temperature, and the battery pack is particularly suitable for the high-rate charging and high-power discharging working conditions of an automobile.
Further, as shown in fig. 1 and fig. 2, the liquid inlet 3 and the first inner liquid port 9 on the left side of the front beam 7 are disposed at the bottom of the left side of the front beam 7, the liquid outlet 4 and the first inner liquid port 9 on the right side of the front beam 7 are disposed at the top of the right side of the front beam 7, the second inner liquid port 10 on the left side of the rear beam 8 is disposed at the top of the left side of the rear beam 8, and the second inner liquid port 10 on the right side of the rear beam 8 is disposed at the bottom of the right side of the rear beam 8;
or, go into liquid mouth and the left first interior liquid mouth setting of front-axle beam and be in the left side top of front-axle beam, the liquid mouth sets up in the first interior liquid mouth on liquid outlet and front-axle beam right side the right side bottom of front-axle beam, the liquid mouth sets up the left side bottom at the back-axle beam in the left second of back-axle beam, and the liquid mouth sets up the right side top at the back-axle beam in the second on back-axle beam right side.
The beneficial effect of adopting the further scheme is that: the interior liquid mouth position of different height positions makes the coolant liquid fill in the box inside at the flow in-process, and the four sides of whole battery module all arrange the insulating fluoridizing liquid of flowing cooling in, have very good cooling effect and samming effect, make the battery be in suitable temperature range, exert the best performance of battery.
Further, as shown in fig. 1 and 2, the method further includes: and the via hole electric connector 12 is used for internal connection of a high-voltage line, and the via hole electric connector 12 is arranged on the liquid guide plate 6.
The beneficial effect of adopting the further scheme is that: the liquid guide plate is provided with a via hole electric connector to facilitate the internal connection of a high-voltage line.
Further, as shown in fig. 4, the method further includes: the box body 1 is of an open-top structure, and the cover body 13 is arranged at the open-top position of the box body 1.
The beneficial effect of adopting the further scheme is that: the setting of lid for sealed box improves the cooling efficiency of box, prevents that external dust from getting into in the box.
Further, as shown in fig. 4, the method further includes: and a sealing strip 14, wherein the sealing strip 14 is arranged at the connecting position between the cover body 13 and the box body 1.
The beneficial effect of adopting the further scheme is that: the sealing performance of box is improved in the setting of sealing strip, improves the radiating efficiency, prevents that the coolant liquid from spilling.
Further, the cooling liquid is cooling insulating fluorinated liquid.
The beneficial effect of adopting the further scheme is that: the cooling liquid is cooling insulation fluorinated liquid, improves the radiating efficiency, prevents to take place the short circuit phenomenon between the battery module, improves the stability and the reliability of battery package.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An immersion type liquid-cooled battery pack, comprising: the battery cooling system comprises a box body (1) used for loading a battery module (2), cooling liquid used for cooling the battery module (2), at least one battery module (2), a liquid inlet (3) used for inputting the cooling liquid into the box body (1) and a liquid outlet (4) used for outputting the cooling liquid in the box body (1);
the battery module (2) is arranged in the box body (1), the cooling liquid is filled in the box body (1), the battery module is soaked in the cooling liquid, and the liquid inlet (3) and the liquid outlet (4) are arranged on the box body (1).
2. An immersion liquid-cooled battery pack as claimed in claim 1, characterized in that the case (1) comprises: bottom plate (5), a plurality of drain board (6), front beam (7) and back beam (8), it is a plurality of drain board (6) are followed bottom plate (5) left and right sides orientation sets up with separating each other on bottom plate (5), front beam (7) set up the front end of bottom plate (5), back beam (8) set up the rear end of bottom plate (5), front beam (7) and back beam (8) set up respectively both ends around drain board (6), battery module (2) set up between two adjacent drain boards (6), go into liquid mouth (3) and liquid outlet (4) set up on front beam (7).
3. The immersed liquid-cooled battery pack according to claim 2, wherein the front beam (7) and the rear beam (8) are hollow, the liquid inlet (3) and the liquid outlet (4) are disposed on the outer side wall of the front beam (7), the inner side wall of the front beam (7) is provided with a plurality of first inner liquid ports (9), the inner side wall of the rear beam (8) is provided with a plurality of second inner liquid ports (10), and a cavity between two adjacent liquid guide plates (5) is provided with one first inner liquid port (9) and one second inner liquid port (10).
4. The immersed liquid-cooled battery pack according to claim 3, wherein the front beam (7) and the rear beam (8) are respectively provided with a front beam liquid baffle (11) and a rear beam liquid baffle, and the liquid inlet (3) and the liquid outlet (4) are respectively located at the left side and the right side of the front beam liquid baffle (11).
5. The immersed liquid-cooled battery pack according to claim 4, wherein the front beam liquid baffle (11) abuts against the top inner wall and the bottom inner wall of the front beam (7) at the top end and the bottom end, respectively;
the bottom end of the rear beam liquid baffle plate is connected with the inner wall of the bottom of the rear beam (8), and a notch for flowing of cooling liquid is formed between the top end of the rear beam liquid baffle plate and the inner wall of the top end of the rear beam (8); or the top end of the back beam liquid baffle plate is connected with the inner wall of the top of the back beam (8), and a notch for flowing of cooling liquid is formed between the bottom end of the back beam liquid baffle plate and the inner wall of the bottom end of the back beam (8).
6. The immersed liquid-cooled battery pack according to claim 4, wherein the liquid inlet (3) and the first inner liquid port (9) on the left side of the front beam (7) are arranged on the bottom of the left side of the front beam (7), the liquid outlet (4) and the first inner liquid port (9) on the right side of the front beam (7) are arranged on the top of the right side of the front beam (7), the second inner liquid port (10) on the left side of the rear beam (8) is arranged on the top of the left side of the rear beam (8), and the second inner liquid port (10) on the right side of the rear beam (8) is arranged on the bottom of the right side of the rear beam (8);
or, go into liquid mouth (3) and front beam (7) left first interior liquid mouth (9) and set up front beam (7)'s left side top, liquid mouth (4) and front beam (7) right side first interior liquid mouth (9) set up front beam (7)'s right side bottom, and liquid mouth (10) set up the left side bottom of back beam (8) in the left second of back beam (8), and liquid mouth (10) set up the right side top of back beam (8) in the second on back beam (8) right side.
7. The immersed liquid-cooled battery pack as recited in claim 2, further comprising: the via hole electric connector (12) is used for internal connection of a high-voltage line, and the via hole electric connector (12) is arranged on the liquid guide plate (6).
8. The immersed liquid-cooled battery pack as recited in claim 1, further comprising: the box body (1) is of an open-top structure, and the cover body (13) is arranged at the open-top position of the box body (1).
9. The immersed liquid-cooled battery pack as recited in claim 8, further comprising: a sealing strip (14), wherein the sealing strip (14) is arranged at the connecting position between the cover body (13) and the box body (1).
10. The immersed liquid-cooled battery pack as recited in claim 1, wherein said cooling liquid is a cooling insulating fluorinated liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652360.5A CN111653709A (en) | 2020-07-08 | 2020-07-08 | Immersion type liquid cooling battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652360.5A CN111653709A (en) | 2020-07-08 | 2020-07-08 | Immersion type liquid cooling battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111653709A true CN111653709A (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010652360.5A Withdrawn CN111653709A (en) | 2020-07-08 | 2020-07-08 | Immersion type liquid cooling battery pack |
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| Country | Link |
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| CN (1) | CN111653709A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112701383A (en) * | 2021-01-19 | 2021-04-23 | 中国第一汽车股份有限公司 | Battery liquid cooling plate assembly, battery assembly and vehicle |
| CN113675497A (en) * | 2021-07-20 | 2021-11-19 | 哈尔滨工业大学 | Immersed liquid cooling energy storage battery box |
| WO2024058578A1 (en) * | 2022-09-16 | 2024-03-21 | 주식회사 엘지에너지솔루션 | Battery pack case and battery pack including same |
-
2020
- 2020-07-08 CN CN202010652360.5A patent/CN111653709A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112701383A (en) * | 2021-01-19 | 2021-04-23 | 中国第一汽车股份有限公司 | Battery liquid cooling plate assembly, battery assembly and vehicle |
| WO2022156400A1 (en) * | 2021-01-19 | 2022-07-28 | 中国第一汽车股份有限公司 | Battery liquid cooling plate assembly, battery assembly, and vehicle |
| CN113675497A (en) * | 2021-07-20 | 2021-11-19 | 哈尔滨工业大学 | Immersed liquid cooling energy storage battery box |
| CN113675497B (en) * | 2021-07-20 | 2022-12-23 | 哈尔滨工业大学 | Immersed liquid cooling energy storage battery box |
| WO2024058578A1 (en) * | 2022-09-16 | 2024-03-21 | 주식회사 엘지에너지솔루션 | Battery pack case and battery pack including same |
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Application publication date: 20200911 |