CN112151707B - Battery cell liquid cooling module structure and liquid cooling battery module - Google Patents
Battery cell liquid cooling module structure and liquid cooling battery module Download PDFInfo
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- CN112151707B CN112151707B CN201910561014.3A CN201910561014A CN112151707B CN 112151707 B CN112151707 B CN 112151707B CN 201910561014 A CN201910561014 A CN 201910561014A CN 112151707 B CN112151707 B CN 112151707B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
- H01M10/6555—Rods or plates arranged between the cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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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- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to the technical field of battery cooling, in particular to a battery core liquid cooling module structure and a liquid cooling battery module. The battery cell liquid cooling module structure comprises a plurality of battery cell fixing structures, the battery cell fixing structures comprise a supporting base and an upper cover, the battery cell fixing structures further comprise end plates, long screws, liquid cooling plates and liquid inlet and outlet pipes, the battery cells are fixed through the supporting base and the upper cover, the battery cell fixing structures penetrate through the long screws from penetrating holes and are fixedly connected with the end plates after being distributed along the width direction, the battery cells are clamped and fixed, the liquid cooling plates are arranged between two adjacent battery cells arranged in a row and used for cooling the high-temperature battery cells, the liquid cooling plates arranged between the two adjacent battery cells are larger in contact area with the two battery cells, the heat dissipation effect of the high-temperature battery cells is better, and the liquid cooling plates and the two battery cells are not connected, so that the battery cells are convenient to assemble and disassemble when working such as reworking and after sale is performed. Through the arrangement, the disassembly and assembly of the liquid cooling plate are convenient, and meanwhile, the battery cell can be well cooled.
Description
Technical Field
The invention relates to the technical field of battery cooling, in particular to a battery core liquid cooling module structure and a liquid cooling battery module.
Background
As a main power source of the new energy automobile, the situation that the battery pack is damaged due to the high temperature problem occurs when the power battery is used, and particularly, as the requirements of the endurance mileage of the new energy automobile are continuously improved, the energy density of the power battery is also continuously improved, and the high temperature problem of the battery core in the battery is more remarkable. The conventional solution is to design a cooling plate on the narrower side of the battery cell and design a liquid cooling plate on the bottom of the battery cell for cooling so as to reduce the temperature of the battery cell. In order to simplify the structure and increase the energy density of the battery as much as possible, the cooling plate and the liquid cooling plate are usually adhered to the corresponding positions of the battery cells through heat conducting structural adhesive.
Although the bonding mode of the heat-conducting structural adhesive can simplify the structure and improve the energy density of the battery, the unrepeatable property of the bonding mode brings a lot of troubles to reworking, after-sales and recycling, such as difficult disassembly of the battery module and the battery core, deformation and damage of the battery core after disassembly and the like.
Disclosure of Invention
The invention aims to provide a battery core liquid cooling module structure with simple disassembly and assembly and good heat dissipation effect, and also aims to provide a liquid cooling battery module with simple disassembly and assembly and good heat dissipation effect.
In order to achieve the above purpose, the battery cell liquid cooling module structure of the invention adopts the following technical scheme:
a liquid cooling module structure of an electric core comprises
The battery cell fixing structures comprise supporting bases and upper covers, the supporting bases and the upper covers are used for being buckled at the upper end and the lower end of the square battery cell respectively, and avoidance channels for exposing the battery cell polar posts are formed in cover plates of the upper covers;
the supporting base and the upper cover are respectively provided with a penetrating hole extending in the width direction;
end plates arranged at two ends of the plurality of cell fixing structures arranged in a row;
the long screw rod is penetrated in penetrating holes of a plurality of battery cell fixing structures arranged in a row, and is connected with the two end plates so as to clamp each battery cell fixing structure;
the liquid cooling plate is arranged between two adjacent electric cores arranged in a row and is used for exchanging heat with the two electric cores;
and the liquid inlet and outlet pipes extend along the arrangement direction of the plurality of battery core fixing structures and are respectively communicated with each liquid cooling plate.
The beneficial effects of the technical scheme are as follows: the electric core fixed knot in this device constructs through supporting seat and upper cover comes fixed electric core, a plurality of electric core fixed knot constructs and arranges the back along width direction, pass long screw rod from the dress hole of wearing of supporting seat and upper cover and be connected fixedly with the end plate, in order to form the frame that fixes a plurality of electric cores, the liquid cooling board sets up between two adjacent electric cores of arranging in the row, through adding the coolant liquid to the feed liquor pipe when carrying out cooling, the coolant liquid flows through liquid cooling board and drain pipe in proper order, at this in-process cooling to high temperature electric core, and the liquid cooling board that sets up between two adjacent electric cores is because area of contact with two electric cores is great, the radiating effect to high temperature electric core is better, simultaneously, there is not relation of connection between liquid cooling board and the two electric cores, when carrying out work such as reworking, after sale, the dismouting is also more convenient. Through the arrangement, the disassembly and assembly of the liquid cooling plate are convenient, and meanwhile, the battery cell can be well cooled.
Further, the electric core liquid cooling module structure comprises a heat conduction insulating layer, wherein the heat conduction insulating layer is tightly attached to two side plate surfaces of the liquid cooling plate and is used for being clamped between the liquid cooling plate and the electric core. The heat conduction insulating layer is used for separating the liquid cooling plate and the battery cell and plays an insulating protection role.
Further, the support base and/or the upper cover are/is provided with accommodating grooves for accommodating the liquid cooling plate on two sides of the width direction of the support base and/or the upper cover, and the accommodating grooves are used for limiting the liquid cooling plate in the width direction. When the electric core liquid cooling module structure takes place to rock, liquid cooling board and heat conduction insulating layer can exist in the holding tank steadily, have guaranteed the normal use of liquid cooling board.
Further, the support base and the upper cover are provided with the penetrating holes at two ends in the length direction. Thus, the interference of wiring of the battery core pole is avoided when the penetrating hole is arranged at the top of the upper cover, and the unstable prevention condition is avoided when the penetrating hole is arranged on the supporting base.
Further, the support base and the upper cover are provided with raised strips extending along the width direction at two ends of the length direction, and the penetrating holes penetrate through the raised strips. The sand grip has made things convenient for the setting of wearing the dress hole, has avoided when will wearing the dress hole setting on the body of support base and upper cover to the intensity production influence of support base and sand grip.
Further, the liquid inlet and the liquid outlet of the liquid cooling plate are respectively arranged at two sides of the width direction, and the liquid inlet and the liquid outlet pipe are arranged at two sides of the width direction of the electric core fixing structure. The upper cover is all kept away from to inlet and outlet and inlet and outlet pipe, sets up conveniently, has avoided producing the interference to the wiring of electric core utmost point post.
Further, two ends of the liquid inlet pipe and the liquid outlet pipe are fixedly connected with the two end plates respectively. Therefore, the fixing structures for fixing the liquid inlet pipe and the liquid outlet pipe do not need to be arranged on the supporting base and the upper cover, and the fixing structure is convenient to assemble and simple in process.
Further, the two ends of the liquid inlet pipe and the liquid outlet pipe are respectively provided with a fixed block, the end plate is provided with a mounting groove for the liquid inlet pipe and the liquid outlet pipe to enter from the width direction, and the fixed blocks are connected with the groove walls of the mounting groove through screws. The fixed block facilitates the fixed installation of the liquid inlet pipe and the liquid outlet pipe of the tubular structure.
Further, the support base and the upper cover are provided with raised strips extending along the width direction at the two ends of the length direction, the penetrating holes penetrate through the raised strips, and the distance between the raised strips at the two ends of the length direction of the support base and the upper cover is larger than the distance between the liquid inlet pipe and the liquid outlet pipe in the same direction. Therefore, when the electric core liquid cooling module structure is collided, the convex strips are collided before the liquid inlet pipe and the liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are protected.
Further, both end surfaces of the width direction of the support base are provided with base concave-convex positioning matching structures for positioning matching with the adjacent support base, and both end surfaces of the width direction of the upper cover are provided with upper cover concave-convex positioning matching structures for positioning matching with the adjacent upper cover. The supporting base and the upper cover can be rapidly positioned and assembled through the concave-convex positioning matching structure, so that the penetrating holes on the supporting base and the upper cover can be rapidly aligned before the long screw rod is penetrated and assembled, and the assembly of the electric core liquid cooling module structure is facilitated.
Further, a protective cover is arranged above the upper cover, and the protective cover is spaced from the cover plate of the upper cover in the up-down direction. The interval can be used to the wiring of electric core utmost point post, has avoided the visor to the wiring of electric core utmost point post to produce the influence.
In order to achieve the above purpose, the liquid cooling battery module of the invention adopts the following technical scheme:
liquid cooling battery module, including electric core liquid cooling module structure and place square electric core in electric core liquid cooling module, electric core liquid cooling module structure includes:
the battery cell fixing structures comprise supporting bases and upper covers, the supporting bases and the upper covers are respectively buckled at the upper end and the lower end of the square battery cell, and a cover plate of each upper cover is provided with an avoidance channel for exposing a battery cell pole;
the supporting base and the upper cover are respectively provided with a penetrating hole extending in the width direction;
end plates arranged at two ends of the plurality of cell fixing structures arranged in a row;
the long screw rod is penetrated in penetrating holes of a plurality of battery cell fixing structures arranged in a row, and is connected with the two end plates so as to clamp each battery cell fixing structure;
the liquid cooling plate is arranged between two adjacent electric cores arranged in a row and is used for exchanging heat with the two electric cores;
and the liquid inlet and outlet pipes extend along the arrangement direction of the plurality of battery core fixing structures and are respectively communicated with each liquid cooling plate.
The beneficial effects of the technical scheme are as follows: the electric core fixed knot in this device constructs through supporting seat and upper cover comes fixed electric core, a plurality of electric core fixed knot constructs and arranges the back along width direction, pass long screw rod from the dress hole of wearing of supporting seat and upper cover and be connected fixedly with the end plate, in order to form the frame that fixes a plurality of electric cores, the liquid cooling board sets up between two adjacent electric cores of arranging in the row, through adding the coolant liquid to the feed liquor pipe when carrying out cooling, the coolant liquid flows through liquid cooling board and drain pipe in proper order, at this in-process cooling to high temperature electric core, and the liquid cooling board that sets up between two adjacent electric cores is because area of contact with two electric cores is great, the radiating effect to high temperature electric core is better, simultaneously, there is not relation of connection between liquid cooling board and the two electric cores, when carrying out work such as reworking, after sale, the dismouting is also more convenient. Through the arrangement, the disassembly and assembly of the liquid cooling plate are convenient, and meanwhile, the battery cell can be well cooled.
Further, the electric core liquid cooling module structure comprises a heat conduction insulating layer, wherein the heat conduction insulating layer is tightly attached to two side plate surfaces of the liquid cooling plate and is clamped between the liquid cooling plate and the electric core. The heat conduction insulating layer is used for separating the liquid cooling plate and the battery cell and plays an insulating protection role.
Further, the support base and/or the upper cover are/is provided with accommodating grooves for accommodating the liquid cooling plate on two sides of the width direction of the support base and/or the upper cover, and the accommodating grooves are used for limiting the liquid cooling plate in the width direction. When the electric core liquid cooling module structure takes place to rock, liquid cooling board and heat conduction insulating layer can exist in the holding tank steadily, have guaranteed the normal use of liquid cooling board.
Further, the support base and the upper cover are provided with the penetrating holes at two ends in the length direction. Thus, the interference of wiring of the battery core pole is avoided when the penetrating hole is arranged at the top of the upper cover, and the unstable prevention condition is avoided when the penetrating hole is arranged on the supporting base.
Further, the support base and the upper cover are provided with raised strips extending along the width direction at two ends of the length direction, and the penetrating holes penetrate through the raised strips. The sand grip has made things convenient for the setting of wearing the dress hole, has avoided when will wearing the dress hole setting on the body of support base and upper cover to the intensity production influence of support base and sand grip.
Further, the liquid inlet and the liquid outlet of the liquid cooling plate are respectively arranged at two sides of the width direction, and the liquid inlet and the liquid outlet pipe are arranged at two sides of the width direction of the electric core fixing structure. The upper cover is all kept away from to inlet and outlet and inlet and outlet pipe, sets up conveniently, has avoided producing the interference to the wiring of electric core utmost point post.
Further, two ends of the liquid inlet pipe and the liquid outlet pipe are fixedly connected with the two end plates respectively. Therefore, the fixing structures for fixing the liquid inlet pipe and the liquid outlet pipe do not need to be arranged on the supporting base and the upper cover, and the fixing structure is convenient to assemble and simple in process.
Further, the two ends of the liquid inlet pipe and the liquid outlet pipe are respectively provided with a fixed block, the end plate is provided with a mounting groove for the liquid inlet pipe and the liquid outlet pipe to enter from the width direction, and the fixed blocks are connected with the groove walls of the mounting groove through screws. The fixed block facilitates the fixed installation of the liquid inlet pipe and the liquid outlet pipe of the tubular structure.
Further, the support base and the upper cover are provided with raised strips extending along the width direction at the two ends of the length direction, the penetrating holes penetrate through the raised strips, and the distance between the raised strips at the two ends of the length direction of the support base and the upper cover is larger than the distance between the liquid inlet pipe and the liquid outlet pipe in the same direction. Therefore, when the electric core liquid cooling module structure is collided, the convex strips are collided before the liquid inlet pipe and the liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are protected.
Further, both end surfaces of the width direction of the support base are provided with base concave-convex positioning matching structures for positioning matching with the adjacent support base, and both end surfaces of the width direction of the upper cover are provided with upper cover concave-convex positioning matching structures for positioning matching with the adjacent upper cover. The supporting base and the upper cover can be rapidly positioned and assembled through the concave-convex positioning matching structure, so that the penetrating holes on the supporting base and the upper cover can be rapidly aligned before the long screw rod is penetrated and assembled, and the assembly of the electric core liquid cooling module structure is facilitated.
Further, a protective cover is arranged above the upper cover, and the protective cover is spaced from the cover plate of the upper cover in the up-down direction. The interval can be used to the wiring of electric core utmost point post, has avoided the visor to the wiring of electric core utmost point post to produce the influence.
Drawings
Fig. 1 is a schematic diagram of a liquid-cooled battery module according to the present invention;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is an assembly schematic diagram of a support base, an upper cover, an end plate, a long screw, and a protective cover in the liquid-cooled battery module of the present invention;
fig. 4 is a schematic structural view of an upper cover of the liquid-cooled battery module according to the present invention;
fig. 5 is a schematic view of a structure of a support base in the liquid-cooled battery module according to the present invention;
fig. 6 is an exploded view of the liquid-cooled battery module according to the present invention between two adjacent cell fixing structures;
fig. 7 is a schematic diagram illustrating assembly of a heat conductive insulating layer, a liquid cooling plate, and a liquid inlet and outlet pipe in the liquid cooling battery module according to the present invention;
reference numerals illustrate: the device comprises a 1-supporting base, a 2-upper cover, a 201-avoiding channel, a 3-square battery cell, 4-raised strips, 5-penetrating holes, 6-end plates, 7-long screws, 8-liquid cooling plates, 9-liquid inlet pipes, 10-liquid outlet pipes, 11-heat conducting insulating pads, 12-liquid inlets, 13-liquid outlets, 14-fixed blocks, 15-mounting grooves, 16-hoses, 17-protruding columns, 18-grooves, 19-containing grooves, 20-protective covers, 21-brackets, 22-bolt holes and 23-insulating plates.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
The specific embodiment of the liquid cooling battery module comprises:
as shown in fig. 1, the liquid cooling battery module includes a battery core liquid cooling module structure and square battery core 3 placed in the battery core liquid cooling module, the battery core liquid cooling module structure includes a plurality of battery core fixed knot that are used for fixing a plurality of square battery cores 3 constructs, the battery core fixed knot constructs including supporting base 1 and upper cover 2, upper cover 2 and supporting base 1 respectively the buckling at the upper and lower both ends of square battery core 3, supporting base 1 and upper cover 2 are all arranged in a row along width extending direction to make a plurality of battery core fixed knot construct and form the frame construction that is used for fixing a plurality of square battery cores 3.
As shown in fig. 1 to 3, two ends of the cell fixing structure arranged in rows are respectively provided with an end plate 6, and clamping fixation is realized between the two end plates 6 and each support base 1 and each upper cover 2 through penetrating long screws 7. Specifically, as shown in fig. 1 to 3, the support base 1 and the upper cover 2 are provided with a protruding strip 4 extending along the width direction of the battery core fixing structure at two ends in the length direction, a penetrating hole 5 is formed in the protruding strip 4, a through hole through which the long screw 7 passes is correspondingly formed in the end plate 6, and when the battery core liquid cooling module structure is assembled, the connection between the support bases 1 is realized by penetrating the long screw 7 into the penetrating holes 5 of the end plate 6 and the support bases 1, and the connection between the upper covers 2 is realized by penetrating the long screw 7 into the penetrating holes 5 of the end plate 6 and the upper covers 2.
In order to improve the assembly efficiency, as shown in fig. 5, both end surfaces of the supporting base 1 in the width direction are respectively provided with a convex column 17 and a groove 18 for positioning and matching with the adjacent supporting base 1, and the convex column 17 and the groove 18 between the adjacent supporting bases 1 can be in plug-in fit, so that when the cell liquid cooling module structure is assembled, the supporting bases 1 are quickly positioned and assembled through a concave-convex positioning and matching structure formed between the convex column 17 and the groove 18, and the penetrating holes 5 of the supporting bases 1 can be quickly aligned to carry out penetrating and assembling of the long screw 7; similarly, as shown in fig. 4, two end surfaces of the upper cover 2 in the width direction are also provided with a convex column 17 and a concave groove 18 for positioning and matching with the adjacent upper cover 2, and the concave-convex positioning and matching structure also facilitates express positioning and matching between the upper covers 2.
As shown in fig. 6 and 7, along the arrangement direction of the electric core fixing structure, a liquid cooling plate 8 is arranged between two adjacent square electric cores 3, the liquid cooling plate 8 is made of aluminum alloy, and has the characteristics of thin wall, light weight and high conductivity, heat conducting insulation pads 11 are attached to the two side plate surfaces of the liquid cooling plate 8, the liquid cooling plate 8 exchanges heat with the high-temperature electric cores through the heat conducting insulation pads 11, and the heat conducting insulation pads 11 are used for separating the liquid cooling plate 8 and the square electric cores 3 and play a role in insulation protection. In addition, as shown in fig. 6, the supporting base 1 and the upper cover 2 are provided with accommodating grooves 19 on two sides of the width direction, the size of each accommodating groove 19 is matched with the sizes of the heat-conducting insulating pad 11 and the liquid cooling plate 8, the direction in which the electric core fixing structure is arranged is defined as the front-back direction, and the cavity formed between the adjacent accommodating grooves 19 can be used for limiting the liquid cooling plate 8 and the heat-conducting insulating pad 11 in the up-down, left-right directions, so that the fixing clamp of the liquid cooling plate 8 and the use effect of the liquid cooling plate 8 are ensured, and the disassembly of the liquid cooling plate 8 during reworking and after sales is also facilitated.
In this embodiment, because the number of square cells 3 in the liquid cooling battery module is large, the strength requirement on the liquid cooling battery module is high, and in order to ensure the strength of the liquid cooling battery module, two end plates 6 are metal plates, as shown in fig. 2, an insulating plate 23 is disposed between the end plates 6 and the square cells 3. In other embodiments, when the number of square battery cells is smaller, the two end plates may also be directly arranged as insulating plates under the condition that the strength requirement of the liquid-cooled battery module is smaller.
The liquid cooling plate 8 is provided with a liquid inlet 12 and a liquid outlet 13 in the left-right direction respectively, a pipeline which is communicated with the liquid inlet 12 and the liquid outlet 13 respectively is arranged on the main body of the liquid cooling plate 8, the liquid cooling plate 8 is communicated with the liquid inlet pipe 9 through the liquid inlet 12, and is communicated with the liquid outlet 10 through the liquid outlet 13. As shown in fig. 1 and 7, the liquid inlet pipe 9 and the liquid outlet pipe 10 extend along the front-back direction of the arrangement of the electric core fixing structure, and the inlet of the liquid inlet pipe 9 and the outlet of the liquid outlet pipe 10 are positioned on the same side of the electric core liquid cooling module structure, so that the operation is convenient during liquid inlet and liquid outlet. Taking the liquid inlet pipe 9 as an example, the front end and the rear end of the liquid inlet pipe 9 are both provided with fixed blocks 14, the end plate 6 is provided with mounting grooves 15 for the liquid inlet pipe 9 to enter along the front and rear directions, the fixed blocks 14 are fixedly connected with the groove walls of the mounting grooves 15 through bolts, the liquid inlet pipe 9 is provided with interfaces at the liquid inlet 12 of each liquid cooling plate 8, the liquid inlet pipe 9 is connected with the liquid inlet 12 through hoses 16, and the advantages of the hoses 16 are that the liquid cooling plates 8 and the heat conducting insulating pads 11 inevitably have tiny deformation when being installed, dislocation can occur between the liquid inlet pipe 9 and the liquid cooling plates 8 and the hoses 16, the hoses 16 are deformed and are not destroyed when being dislocated, and normal use of the liquid cooling plates 8 is ensured. In this embodiment, the arrangement of the liquid outlet pipe 10 is the same as that of the liquid inlet pipe 9, and specific reference may be made to the arrangement of the liquid inlet pipe 9, which is not described herein.
In order to ensure the stability of the liquid inlet pipe 9 and the liquid outlet pipe 10 during use, brackets 21 for supporting the liquid inlet pipe 9 and the liquid outlet pipe 10 are respectively arranged at two ends of the upper cover 2 in the length direction of the electric core fixing structure, the liquid inlet pipe 9 and the liquid outlet pipe 10 are supported on the corresponding brackets 21 during use, and meanwhile, the distance between the two raised strips 4 is greater than the distance between the liquid inlet pipe 9 and the liquid outlet pipe 10 in the same direction in the length direction of the support base 1 and the upper cover 2, so that when the liquid cooling battery module shakes, the anti-collision structure formed by the raised strips 4 is firstly collided, and certain protection can be provided for the liquid inlet pipe 9 and the liquid outlet pipe 10, and the anti-collision safety of the whole liquid cooling battery module is also improved.
In this embodiment, as shown in fig. 4, in order to facilitate the wiring requirement of the battery cell pole of the square battery cell 3, an avoidance channel 201 exposing the battery cell pole is provided on the cover plate of the upper cover 2, and in order to protect the battery cell pole, a protection cover 20 is provided above the upper cover 2, the protection cover 20 is connected with the upper cover 2 through a fastening structure, and the protection cover 20 is spaced from the cover plate of the upper cover 2 in the up-down direction, so as to avoid interference to the wiring of the battery cell pole.
In this embodiment, the end plate 6 is further provided with a bolt hole 22 in the vertical direction for connecting with the battery box, which is convenient for connecting the liquid-cooled battery module with the battery box.
When the liquid cooling battery module is used, a plurality of support bases 1 and a plurality of upper covers 2 are respectively assembled in pairs through concave-convex positioning matching structures, a square battery cell 3, a liquid cooling plate 8 and a heat conduction insulating pad 11 are arranged on the support bases 1, the upper covers 2 are buckled on the square battery cell 3, the upper covers 2, the support bases 1 and end plates 6 are connected through long threaded rods 7 in a penetrating mode, then a liquid inlet pipe 9 and a liquid outlet pipe 10 are arranged on corresponding brackets 21 and are connected with the end plates 6 through fixed blocks 14, the liquid inlet pipe 9 and the liquid outlet pipe 10 are respectively connected with a liquid inlet 12 and a liquid outlet 13 of the liquid cooling plate 8 through hoses 16, cooling liquid is added into the liquid cooling plate 8 through the liquid inlet pipe 9, and heat exchange between the square battery cell 3 and the heat conduction insulating pad 11 can be effectively achieved when the square battery cell 3 is heated, so that the purpose of heat dissipation and temperature reduction can be achieved.
In this embodiment, the support base and the upper cover are provided with receiving grooves for receiving the liquid cooling plate on both sides in the width direction thereof. In other embodiments, the receiving grooves may be provided only on both sides in the width direction of the support base, or may be provided only on both sides in the width direction of the upper cover, although in other embodiments, the receiving grooves may not be provided.
In this embodiment, both end surfaces in the width direction of the support base are provided with a projection and a groove for positioning fit with the adjacent support base. In other embodiments, the two end surfaces of the supporting base in the width direction can be provided with a convex column, the other end surface of the supporting base is provided with a convex groove, the other end surface of the upper cover in the width direction can be provided with a convex column, the other end surface of the upper cover is provided with a convex groove, the two end surfaces of the supporting base in the width direction can be respectively provided with a convex eave and a step surface, and the adjacent supporting bases can be matched with each other through the stop of the convex eave and the step surface in the length direction to realize the rapid positioning and assembly of the supporting base.
In this embodiment, the liquid inlet pipe and the liquid outlet pipe are communicated with each liquid cooling plate through hoses. In other embodiments, the liquid inlet pipe and the liquid outlet pipe are connected with each liquid cooling plate through hard pipes, and at this time, in order to avoid deformation of the heat conduction insulating pad, the connection state of the liquid cooling plate and the liquid inlet pipe and the liquid outlet pipe should not be provided with the heat conduction insulating pad.
In this embodiment, the two ends of the liquid inlet pipe and the liquid outlet pipe are respectively provided with a fixed block, the end plate is provided with a mounting groove for the liquid inlet pipe and the liquid outlet pipe to enter from the width direction, and the fixed blocks are connected with the grooves of the mounting groove through screws. In other embodiments, external threads may be provided at both ends of the liquid inlet and outlet pipes, and after the liquid inlet and outlet pipes enter the installation groove, the liquid inlet and outlet pipes are fixed with the installation groove by screwing nuts.
In this embodiment, the upper cover is provided with a protruding strip extending in the width direction at both ends in the longitudinal direction, and the insertion hole is provided through the protruding strip. The convex strips facilitate the arrangement of the penetrating holes. In other embodiments, the protruding strip on the upper cover may also be disposed at the top of the upper cover and offset from the position of the avoidance channel.
In this embodiment, the heat conductive insulating layer is a heat conductive insulating pad, and in other embodiments, the heat conductive insulating layer may be a heat conductive insulating material coated on the electrical core.
The embodiment of the invention relates to a battery cell liquid cooling module structure:
the structure of the electric core liquid cooling module is the same as that of the electric core liquid cooling module in each embodiment of the liquid cooling battery module, and the description is omitted here.
Claims (12)
1. The utility model provides an electricity core liquid cooling module structure which characterized in that: comprising
The battery cell fixing structures comprise supporting bases and upper covers, the supporting bases and the upper covers are used for being buckled at the upper end and the lower end of the square battery cell respectively, and avoidance channels for exposing the battery cell polar posts are formed in cover plates of the upper covers;
the supporting base and the upper cover are respectively provided with a penetrating hole extending in the width direction;
end plates arranged at two ends of the plurality of cell fixing structures arranged in a row;
the long screw rod is penetrated in penetrating holes of a plurality of battery cell fixing structures arranged in a row, and is connected with the two end plates so as to clamp each battery cell fixing structure;
the liquid cooling plate is arranged between two adjacent electric cores arranged in a row and is used for exchanging heat with the two electric cores;
the liquid inlet and outlet pipes extend along the arrangement direction of the plurality of cell fixing structures and are respectively communicated with each liquid cooling plate;
the upper covers and the supporting bases of the plurality of battery core fixing structures and the end plates at the two ends enclose an open structure at the two ends of the battery core fixing structure in the length direction;
the connecting structure of the liquid inlet pipe, the liquid outlet pipe and the liquid cooling plate is positioned in the open structure.
2. The cell liquid cooling module structure according to claim 1, wherein: the electric core liquid cooling module structure comprises a heat conduction insulating layer, wherein the heat conduction insulating layer is tightly attached to two side plate surfaces of the liquid cooling plate and is used for being clamped between the liquid cooling plate and the electric core.
3. The cell liquid cooling module structure according to claim 2, wherein: the support base and/or the upper cover are/is provided with containing grooves for containing the liquid cooling plates on two sides of the width direction of the support base and/or the upper cover, and the containing grooves are used for limiting the liquid cooling plates in the width direction.
4. A cell liquid cooling module structure according to any one of claims 1 to 3, wherein: the support base and the upper cover are provided with the penetrating holes at two ends in the length direction.
5. The cell liquid cooling module structure according to claim 4, wherein: the support base and the upper cover are provided with raised strips extending along the width direction at two ends of the length direction, and the penetrating holes penetrate through the raised strips.
6. A cell liquid cooling module structure according to any one of claims 1 to 3, wherein: the liquid inlet and the liquid outlet of the liquid cooling plate are respectively arranged at two sides of the length direction of the battery cell fixing structure, and the liquid inlet and the liquid outlet pipe are arranged at two sides of the length direction of the battery cell fixing structure.
7. A cell liquid cooling module structure according to any one of claims 1 to 3, wherein: and two ends of the liquid inlet pipe and the liquid outlet pipe are fixedly connected with the two end plates respectively.
8. The cell liquid cooling module structure according to claim 7, wherein: the two ends of the liquid inlet pipe and the liquid outlet pipe are respectively provided with a fixed block, the end plate is provided with a mounting groove for the liquid inlet pipe and the liquid outlet pipe to enter from the width direction, and the fixed blocks are connected with the groove walls of the mounting groove through screws.
9. The cell liquid cooling module structure according to claim 8, wherein: the support base and the upper cover are provided with raised strips extending along the width direction at the two ends of the length direction, the penetrating holes penetrate through the raised strips, and the distance between the raised strips at the two ends of the length direction of the support base and the upper cover is greater than the distance between the liquid inlet pipe and the liquid outlet pipe in the same direction.
10. A cell liquid cooling module structure according to any one of claims 1 to 3, wherein: the both ends face of the width direction of support base all is equipped with and is used for with adjacent support base location complex unsmooth location cooperation structure of base, and the both ends face of the width direction of upper cover all is equipped with and is used for with adjacent upper cover location complex unsmooth location cooperation structure of upper cover.
11. A cell liquid cooling module structure according to any one of claims 1 to 3, wherein: and a protective cover is arranged above the upper cover and is spaced from the cover plate of the upper cover in the up-down direction.
12. Liquid cooling battery module, including electric core liquid cooling module structure and place square electric core in electric core liquid cooling module, its characterized in that: the electric core liquid cooling module structure is an electric core liquid cooling module structure according to any one of the claims 1 to 11.
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| CN201910561014.3A CN112151707B (en) | 2019-06-26 | 2019-06-26 | Battery cell liquid cooling module structure and liquid cooling battery module |
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| CN113471604A (en) * | 2021-06-29 | 2021-10-01 | 东风海博新能源科技有限公司 | Power battery pack |
| CN116157950A (en) * | 2021-11-29 | 2023-05-23 | 宁德时代新能源科技股份有限公司 | Battery, device, and method and apparatus for preparing battery |
| CN114760816B (en) * | 2022-04-12 | 2023-03-24 | 扬州市职业大学(扬州开放大学) | Heating element cooling fixing device |
| WO2024045754A1 (en) * | 2023-05-24 | 2024-03-07 | 惠州亿纬锂能股份有限公司 | Battery module and battery case |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012094456A (en) * | 2010-10-28 | 2012-05-17 | Sanyo Electric Co Ltd | Power supply unit |
| WO2014034107A1 (en) * | 2012-08-30 | 2014-03-06 | 三洋電機株式会社 | Power source device, electric vehicle provided with power source device, and power storage device |
| CN107275718A (en) * | 2017-08-04 | 2017-10-20 | 湖州蓝光新能源科技有限公司 | A kind of columnar lithium ion battery heat abstractor |
| CN107968236A (en) * | 2017-11-27 | 2018-04-27 | 安徽欧鹏巴赫新能源科技有限公司 | Battery core heat dissipation installation fixed structure for battery modules |
| KR20190064887A (en) * | 2017-12-01 | 2019-06-11 | 주식회사 엘지화학 | Battery Module Having Heat Dissipation Plate |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102172433B1 (en) * | 2014-03-26 | 2020-10-30 | 에스케이이노베이션 주식회사 | Water cooling device for Battery module and Battery Pack having the device |
| CN108232363B (en) * | 2017-12-29 | 2020-06-16 | 湖南大学 | Liquid cooling power battery module and automobile power battery pack |
| CN109560226B (en) * | 2018-10-29 | 2021-09-21 | 开沃新能源汽车集团有限公司 | Square lithium battery water-cooling module structure for vehicle |
-
2019
- 2019-06-26 CN CN201910561014.3A patent/CN112151707B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012094456A (en) * | 2010-10-28 | 2012-05-17 | Sanyo Electric Co Ltd | Power supply unit |
| WO2014034107A1 (en) * | 2012-08-30 | 2014-03-06 | 三洋電機株式会社 | Power source device, electric vehicle provided with power source device, and power storage device |
| CN107275718A (en) * | 2017-08-04 | 2017-10-20 | 湖州蓝光新能源科技有限公司 | A kind of columnar lithium ion battery heat abstractor |
| CN107968236A (en) * | 2017-11-27 | 2018-04-27 | 安徽欧鹏巴赫新能源科技有限公司 | Battery core heat dissipation installation fixed structure for battery modules |
| KR20190064887A (en) * | 2017-12-01 | 2019-06-11 | 주식회사 엘지화학 | Battery Module Having Heat Dissipation Plate |
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