CN112151707A - Electricity core liquid cooling module structure and liquid cooling battery module - Google Patents
Electricity core liquid cooling module structure and liquid cooling battery module Download PDFInfo
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- CN112151707A CN112151707A CN201910561014.3A CN201910561014A CN112151707A CN 112151707 A CN112151707 A CN 112151707A CN 201910561014 A CN201910561014 A CN 201910561014A CN 112151707 A CN112151707 A CN 112151707A
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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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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. Electric core liquid cooling module structure includes a plurality of electric core fixed knot construct, electric core fixed knot construct including supporting base and upper cover, still include the end plate, long screw rod, liquid cooling plate and advance, the drain pipe, fix electric core through supporting seat and upper cover, a plurality of electric core fixed knot construct after arranging along width direction, pass long screw rod from wearing the dress hole and be connected fixedly with the end plate, with press from both sides tight fixedly to a plurality of electric cores, the liquid cooling plate sets up between two adjacent electric cores of arranging in line, be used for cooling high temperature electric core, and the liquid cooling plate that sets up between two adjacent electric cores is because the area of contact with two electric cores is great, the radiating effect to high temperature electric core is better, and do not have the relation of connection between liquid cooling plate and the two electric cores, do over again, when working such as selling, the dismouting is also more convenient. Through the arrangement, the liquid cooling plate is convenient to disassemble and assemble, and meanwhile, good heat dissipation can be carried out on the battery cell.
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 a new energy automobile, the situation that a battery pack is damaged by a power battery due to a high-temperature problem during use happens occasionally, and particularly as the requirement for the endurance mileage of the new energy automobile is continuously improved, the energy density of the power battery is also continuously improved, and the high-temperature problem of a battery core in the battery is more prominent. The conventional solution is to cool the battery by designing a cooling plate on the narrow side of the battery and designing a liquid cooling plate on the bottom of the battery, so as to reduce the temperature of the battery. 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 bonded to the corresponding positions of the battery core by a heat conducting structural adhesive.
Although the mode that adopts heat conduction structure to glue the bonding can simplify the structure, improves the energy density of battery, but the non-reuse nature of bonding mode has brought a lot of troubles for doing over again, after sale and recovery work, for example the dismantlement difficulty of battery module and electric core, the electric core warp after tearing open and damages the scheduling problem, in addition, the thermal resistance that heat conduction structure glued can increase along with the extension of live time, and long-term the use, the heat conduction effect can worsen, influences the heat dissipation of electric core.
Disclosure of Invention
The invention aims to provide a battery cell liquid cooling module structure which is simple to disassemble and assemble and has a good heat dissipation effect, and further provides a liquid cooling battery module which is simple to disassemble and assemble and has a good heat dissipation effect.
In order to achieve the purpose, the battery cell liquid cooling module structure adopts the following technical scheme:
an electric core liquid cooling module structure comprises
The battery cell fixing structures comprise a supporting base and an upper cover and are respectively buckled at the upper end and the lower end of the square battery cell, and an avoidance channel for exposing a battery cell pole is arranged on a cover plate of the upper cover;
the supporting base and the upper cover are respectively provided with a through hole extending in the width direction;
the end plates are arranged at two ends of the plurality of battery cell fixing structures which are arranged in a row;
the long screw rods are arranged in the penetrating holes of the plurality of battery cell fixing structures arranged in a row in a penetrating manner, and are connected with the two end plates so as to clamp each battery cell fixing structure;
the liquid cooling plate is arranged between two adjacent battery cells arranged in a row and used for exchanging heat with the two battery cells;
and the liquid inlet pipe and the liquid outlet pipe extend along the arrangement direction of the plurality of electric core fixing structures and are respectively communicated with the liquid cooling plates.
The beneficial effects of the above technical scheme are: electric core fixed knot in this device constructs through supporting seat and upper cover fixed electric core, a plurality of electric core fixed knot construct along the width direction back of arranging, pass long screw rod from wearing the dress hole of supporting seat and upper cover and be connected fixedly with the end plate, in order to form the frame that carries out the fixing to a plurality of electric cores, the liquid cooling board sets up between two adjacent electric cores of arranging in line, through adding the coolant liquid to the feed liquor pipe when cooling down, the coolant liquid flows through liquid cooling board and drain pipe in proper order, cool down high temperature electric core at this in-process, and the liquid cooling board that sets up between two adjacent electric cores is because the area of contact with two electric cores is great, the radiating effect to high temperature electric core is better, and simultaneously, there is not the relation of connection between liquid cooling board and two electric cores, do over again, when working such as after sale, the dismouting is also more convenient. Through the arrangement, the liquid cooling plate is convenient to disassemble and assemble, and meanwhile, good heat dissipation can be carried out on the battery cell.
Further, electric core liquid cooling module structure includes heat conduction insulation layer, and heat conduction insulation layer tightly pastes the both sides face setting of liquid cooling board for press from both sides the dress between liquid cooling board and electric core. The heat conduction insulating layer is used for separating the liquid cooling plate from the battery cell, and plays a role in insulation protection.
Further, support base and/or upper cover all to be equipped with the holding tank that is used for holding the liquid cooling board in its width direction's both sides, the holding tank is used for spacing liquid cooling board on width direction. When electric core liquid cooling module structure takes place to rock, liquid cooling board and heat conduction insulation layer can exist in the holding tank steadily, have guaranteed the normal use of liquid cooling board.
Furthermore, the supporting base and the upper cover are both provided with the penetrating holes at two ends in the length direction. The interference to the wiring of electric core post when the mounting hole is arranged at the top of the upper cover is avoided, and the unstable situation is prevented when the mounting hole is arranged on the supporting base.
Furthermore, the support base and the upper cover are both provided with protruding strips extending along the width direction at two ends of the length direction, and the penetrating holes penetrate through the protruding strips. The sand grip facilitates the arrangement of the penetrating hole, and avoids the influence on the strength of the supporting base and the sand grip when the penetrating hole is arranged on the body of the supporting base and the upper cover.
Furthermore, the liquid inlet and the liquid outlet of the liquid cooling plate are respectively arranged on two sides in the width direction, and the liquid inlet pipe and the liquid outlet pipe are arranged on two sides in the width direction of the battery cell fixing structure. The upper cover is kept away from the liquid inlet and outlet and the liquid inlet and outlet pipe, so that the arrangement is convenient, and the interference of the wiring of the battery cell pole is avoided.
Furthermore, the two ends of the liquid inlet pipe and the liquid outlet pipe are respectively fixedly connected with the two end plates. Therefore, a fixing structure for fixing the liquid inlet pipe and the liquid outlet pipe is not required to be arranged on the supporting base and the upper cover, the assembly is convenient, and the process is simple.
Furthermore, 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 wall 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, support all be provided with the sand grip that extends along width direction at length direction's both ends on base and the upper cover, wear the dress hole and run through the sand grip setting, the distance of the sand grip at the length direction both ends of support base and upper cover is greater than the distance between the ascending, drain pipe of equidirectional. Like this, when electric core liquid cooling module structure received the collision, the sand grip received the collision earlier than advancing, drain pipe, protected advance, drain pipe.
Furthermore, the both ends face of the width direction of supporting the base all is equipped with and is used for supporting the unsmooth location fit structure of base location fit with adjacent, and the both ends face of the width direction of upper cover all is equipped with and is used for with the unsmooth location fit structure of upper cover location fit of adjacent upper cover. Support the unsmooth location fit structure of base and upper cover accessible and fix a position the dress fast for wear the dress hole and can align fast that wear that each support the base and cover before wearing to adorn the long screw rod, made things convenient for the equipment of electric core liquid cooling module structure.
Furthermore, a protective cover is arranged above the upper cover, and the protective cover and the cover plate of the upper cover are spaced in the vertical direction. The interval can be used for the wiring to electric core utmost point post, has avoided the visor to produce the influence to the wiring of electric core utmost point post.
In order to achieve the purpose, the liquid-cooled battery module adopts the following technical scheme:
liquid cooling battery module, including electric core liquid cooling module structure and the square electric core of placing in electric core liquid cooling module, electric core liquid cooling module structure includes:
the battery cell fixing structures comprise a supporting base and an upper cover which are respectively buckled at the upper end and the lower end of the square battery cell, and a cover plate of the upper cover is provided with an avoiding channel for exposing a battery cell pole;
the supporting base and the upper cover are respectively provided with a through hole extending in the width direction;
the end plates are arranged at two ends of the plurality of battery cell fixing structures which are arranged in a row;
the long screw rods are arranged in the penetrating holes of the plurality of battery cell fixing structures arranged in a row in a penetrating manner, and are connected with the two end plates so as to clamp each battery cell fixing structure;
the liquid cooling plate is arranged between two adjacent battery cells arranged in a row and used for exchanging heat with the two battery cells;
and the liquid inlet pipe and the liquid outlet pipe extend along the arrangement direction of the plurality of electric core fixing structures and are respectively communicated with the liquid cooling plates.
The beneficial effects of the above technical scheme are: electric core fixed knot in this device constructs through supporting seat and upper cover fixed electric core, a plurality of electric core fixed knot construct along the width direction back of arranging, pass long screw rod from wearing the dress hole of supporting seat and upper cover and be connected fixedly with the end plate, in order to form the frame that carries out the fixing to a plurality of electric cores, the liquid cooling board sets up between two adjacent electric cores of arranging in line, through adding the coolant liquid to the feed liquor pipe when cooling down, the coolant liquid flows through liquid cooling board and drain pipe in proper order, cool down high temperature electric core at this in-process, and the liquid cooling board that sets up between two adjacent electric cores is because the area of contact with two electric cores is great, the radiating effect to high temperature electric core is better, and simultaneously, there is not the relation of connection between liquid cooling board and two electric cores, do over again, when working such as after sale, the dismouting is also more convenient. Through the arrangement, the liquid cooling plate is convenient to disassemble and assemble, and meanwhile, good heat dissipation can be carried out on the battery cell.
Further, electric core liquid cooling module structure includes heat conduction insulation layer, and heat conduction insulation layer tightly pastes the both sides face setting of liquid cooling board, presss from both sides the dress between liquid cooling board and electric core. The heat conduction insulating layer is used for separating the liquid cooling plate from the battery cell, and plays a role in insulation protection.
Further, support base and/or upper cover and all be equipped with the holding tank that holds the liquid cooling board in its width direction's both sides, the holding tank is used for spacing liquid cooling board on width direction. When electric core liquid cooling module structure takes place to rock, liquid cooling board and heat conduction insulation layer can exist in the holding tank steadily, have guaranteed the normal use of liquid cooling board.
Furthermore, the supporting base and the upper cover are both provided with the penetrating holes at two ends in the length direction. The interference to the wiring of electric core post when the mounting hole is arranged at the top of the upper cover is avoided, and the unstable situation is prevented when the mounting hole is arranged on the supporting base.
Furthermore, the support base and the upper cover are both provided with protruding strips extending along the width direction at two ends of the length direction, and the penetrating holes penetrate through the protruding strips. The sand grip facilitates the arrangement of the penetrating hole, and avoids the influence on the strength of the supporting base and the sand grip when the penetrating hole is arranged on the body of the supporting base and the upper cover.
Furthermore, the liquid inlet and the liquid outlet of the liquid cooling plate are respectively arranged on two sides in the width direction, and the liquid inlet pipe and the liquid outlet pipe are arranged on two sides in the width direction of the battery cell fixing structure. The upper cover is kept away from the liquid inlet and outlet and the liquid inlet and outlet pipe, so that the arrangement is convenient, and the interference of the wiring of the battery cell pole is avoided.
Furthermore, the two ends of the liquid inlet pipe and the liquid outlet pipe are respectively fixedly connected with the two end plates. Therefore, a fixing structure for fixing the liquid inlet pipe and the liquid outlet pipe is not required to be arranged on the supporting base and the upper cover, the assembly is convenient, and the process is simple.
Furthermore, 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 wall 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, support all be provided with the sand grip that extends along width direction at length direction's both ends on base and the upper cover, wear the dress hole and run through the sand grip setting, the distance of the sand grip at the length direction both ends of support base and upper cover is greater than the distance between the ascending, drain pipe of equidirectional. Like this, when electric core liquid cooling module structure received the collision, the sand grip received the collision earlier than advancing, drain pipe, protected advance, drain pipe.
Furthermore, the both ends face of the width direction of supporting the base all is equipped with and is used for supporting the unsmooth location fit structure of base location fit with adjacent, and the both ends face of the width direction of upper cover all is equipped with and is used for with the unsmooth location fit structure of upper cover location fit of adjacent upper cover. Support the unsmooth location fit structure of base and upper cover accessible and fix a position the dress fast for wear the dress hole and can align fast that wear that each support the base and cover before wearing to adorn the long screw rod, made things convenient for the equipment of electric core liquid cooling module structure.
Furthermore, a protective cover is arranged above the upper cover, and the protective cover and the cover plate of the upper cover are spaced in the vertical direction. The interval can be used for the wiring to electric core utmost point post, has avoided the visor to produce the influence to the wiring of electric core utmost point post.
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 diagram of a support base, an upper cover, an end plate, a long screw, and a protective cover of the liquid-cooled battery module of the present invention;
FIG. 4 is a schematic diagram of the structure of the upper cover of the liquid-cooled battery module according to the present invention;
FIG. 5 is a schematic structural view of a support base in the liquid-cooled battery module of the present invention;
fig. 6 is an exploded schematic view of two adjacent cell fixing structures in the liquid-cooled battery module according to the present invention;
FIG. 7 is a schematic diagram of the assembly of the heat conducting insulating layer, the liquid cooling plate, and the liquid inlet and outlet pipes in the liquid-cooled battery module according to the present invention;
description of reference numerals: 1-supporting base, 2-upper cover, 21-avoiding channel, 3-square battery core, 4-raised line, 5-through hole, 6-end plate, 7-long screw rod, 8-liquid cooling plate, 9-liquid inlet pipe, 10-liquid outlet pipe, 11-heat conducting insulating layer, 12-liquid inlet, 13-liquid outlet, 14-fixed block, 15-mounting groove, 16-hose, 17-convex column, 18-groove, 19-mounting groove, 20-protective cover, 21-bracket, 22-bolt hole and 23-insulating plate.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
The liquid-cooled battery module of the present invention comprises:
as shown in fig. 1, the liquid-cooled battery module includes an electric core liquid-cooled module structure and a square electric core 3 placed in the electric core liquid-cooled module, the electric core liquid-cooled module structure includes a plurality of electric core fixing structures for fixing the square electric cores 3, the electric core fixing structure includes a supporting base 1 and an upper cover 2, the upper cover 2 and the supporting base 1 are respectively buckled at the upper and lower ends of the square electric cores 3, the supporting base 1 and the upper cover 2 are all arranged in a row along the width extending direction, so that the plurality of electric core fixing structures form a frame structure for fixing the square electric cores 3.
As shown in fig. 1 to fig. 3, end plates 6 are disposed at two ends of the cell fixing structures arranged in a row, and the two end plates 6, the support bases 1 and the upper covers 2 are clamped and fixed by inserting long screws 7. Specifically, as shown in fig. 1 to 3, the supporting bases 1 and the upper covers 2 are both provided with protruding strips 4 extending along the width direction of the battery cell fixing structure at the two ends of the length direction, penetrating holes 5 are formed in the protruding strips 4, through holes for the long screws 7 to pass through are correspondingly formed in the end plates 6, when the battery cell liquid cooling module structure is assembled, connection between the supporting bases 1 is realized by penetrating the long screws 7 in the penetrating holes 5 of the end plates 6 and the supporting bases 1, and connection between the upper covers 2 is realized by penetrating the long screws 7 in the penetrating holes 5 of the end plates 6 and the upper covers 2.
In order to improve the assembly efficiency, as shown in fig. 5, both end surfaces in the width direction of the support bases 1 are provided with a convex column 17 and a groove 18 which are used for being matched with the adjacent support bases 1 in a positioning manner, and the convex column 17 and the groove 18 between the adjacent support bases 1 can be matched in an inserting manner, so that when the battery cell liquid cooling module structure is assembled, the support bases 1 are quickly positioned and assembled in an opposite manner through a concave-convex positioning matching structure formed between the convex column 17 and the groove 18, and the penetrating holes 5 of the support bases 1 can be quickly aligned to penetrate and assemble the long screw 7; similarly, as shown in fig. 4, the two end faces 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 opposite installation between the upper covers 2.
As shown in fig. 6 and 7, along the direction of arranging of electric core fixed knot structure, be equipped with liquid cooling board 8 between the two adjacent square electric cores 3, liquid cooling board 8 adopts the aluminum alloy material, has the characteristics of thin wall, matter light, high conductivity, still pastes on the both sides face of liquid cooling board 8 and is equipped with heat conduction insulating pad 11, liquid cooling board 8 passes through heat conduction insulating pad 11 and high temperature electricity core heat transfer, heat conduction insulating pad 11 is used for separating liquid cooling board 8 and square electric core 3, plays the effect of insulating protection. In addition, as shown in fig. 6, support base 1 and upper cover 2 and all be equipped with holding tank 19 in its width direction's both sides, holding tank 19's size and heat conduction insulating pad 11 and liquid cooling plate 8's size adaptation, the direction that definition electricity core fixed knot constructs to arrange is the fore-and-aft direction, the cavity that forms between the adjacent holding tank 19 can be used for carrying out the spacing of upper, lower, left and right direction to liquid cooling plate 8 and heat conduction insulating pad 11, both guaranteed the fixed clamp dress of liquid cooling plate 8 and the result of use of liquid cooling plate 8, also made things convenient for the reworking, the dismantlement to liquid cooling plate 8 when after sale.
In this embodiment, because the quantity of square electricity core 3 is more in the liquid cooling battery module, and the intensity requirement to the liquid cooling battery module is higher, in order to guarantee the intensity of liquid cooling battery module, two places end plate 6 are the metal sheet, as shown in fig. 2, are provided with insulation board 23 between end plate 6 and the square electricity core 3. In other embodiments, when the number of the square battery cells is small, the two end plates can also be directly arranged as the insulating plates under the condition that the strength requirement of the liquid-cooled battery module is small.
Stability when in order to guarantee feed liquor pipe 9 and drain pipe 10 use, on the fore-and-aft direction that electric core fixed knot constructs the arrangement, the both ends of the length direction of upper cover 2 are equipped with the bracket 21 that is used for holding feed liquor pipe 9 and drain pipe 10 respectively, feed liquor pipe 9 and drain pipe 10 support when using on corresponding bracket 21, and simultaneously, on the length direction who supports base 1 and upper cover 2, distance between two sand grips 4 is greater than the equidirectional distance between feed liquor pipe 9 and the drain pipe 10, thus, when liquid cooling battery module takes place to rock, the crashproof structure that sand grip 4 formed is at first collided, can provide certain protection to feed liquor pipe 9 and drain pipe 10, whole liquid cooling battery module's anticollision security has also been promoted.
In this embodiment, as shown in fig. 4, in order to facilitate the wiring requirement of the cell pole of the square cell 3, an avoiding channel 21 for exposing the cell pole is provided on the cover plate of the upper cover 2, and in order to protect the cell pole, a protective cover 20 is provided above the upper cover 2, the protective cover 20 is connected with the upper cover 2 through a buckle structure, and the cover plates of the protective cover 20 and the upper cover 2 are spaced apart from each other in the vertical direction, so as to avoid interference with the wiring of the cell pole.
In this embodiment, the end plate 6 is further provided with bolt holes 22 in the vertical direction for connecting with the battery box body, so that the connection between the liquid-cooled battery module and the battery box body is facilitated in use.
When the liquid-cooled battery module is used, a plurality of supporting bases 1 and a plurality of upper covers 2 are assembled in a matched mode through a concave-convex positioning and matching structure, a square battery core 3, a liquid-cooled plate 8 and a heat-conducting insulating pad 11 are arranged on the supporting bases 1, the upper covers 2 are buckled on the square battery core 3, then the upper covers 2 and the supporting bases 1 are connected with an end plate 6 through long threaded rods 7, then a liquid inlet pipe 9 and a liquid outlet pipe 10 are arranged on corresponding brackets 21 and are connected with the end plate 6 through fixing 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-cooled plate 8 through hoses 16, cooling liquid is added into the liquid-cooled plate 8 through the liquid inlet pipe 9, and when the square battery core 3 is heated, heat exchange can be effectively carried out with the square battery core 3 through the heat-conducting insulating pad 11, and the purpose.
In this embodiment, support base and upper cover and all be equipped with the holding tank that holds the liquid cooling board in its width direction's both sides. 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.
In this embodiment, both end faces in the width direction of the supporting base are provided with a convex column and a groove for positioning and matching with the adjacent supporting base. In other embodiments, one of the two end surfaces of the supporting base in the width direction may be provided with a convex pillar, the other is provided with a convex groove, and similarly, one of the two end surfaces of the upper cover in the width direction may also be provided with a convex pillar, and the other is provided with a convex groove.
In this embodiment, the liquid inlet pipe and the liquid outlet pipe are communicated with each liquid cooling plate through a hose. In other embodiments, the liquid inlet pipe and the liquid outlet pipe can be connected with each liquid cooling plate through a hard pipe, and at the moment, in order to avoid the deformation of the heat-conducting insulating pad, the connection state of the liquid cooling plate and the liquid inlet pipe and the liquid outlet pipe is deformed, the heat-conducting insulating pad is not arranged.
In this embodiment, advance, the both ends of drain pipe are equipped with the fixed block respectively, are equipped with on the end plate to supply to advance, the mounting groove that the drain pipe got into from the width direction, and the fixed block passes through bolted connection with the groove of mounting groove. In other embodiments, also can all establish the external screw thread at the both ends of advancing, the drain pipe, after getting into the mounting groove, will advance, the drain pipe is fixed with the mounting groove through adorning the nut soon, of course in other embodiments, also can set up the clamp in the mounting groove, advance, the drain pipe puts into the back to the mounting groove in back, the clamp lock is in order to advance, the drain pipe is fixed.
In this embodiment, the upper cover is provided with protruding strips extending in the width direction at both ends in the length direction, and the through holes penetrate through the protruding strips. The convex strip facilitates the arrangement of the penetrating hole. In other embodiments, the protruding strip on the upper cover can also be arranged on the top of the upper cover at a position deviating from the avoidance channel.
In this embodiment, the heat conducting insulating layer is a heat conducting insulating pad, and in other embodiments, the heat conducting insulating layer may also be a heat conducting insulating material coated on the electric core.
The specific embodiment of the battery cell liquid cooling module structure of the invention comprises the following steps:
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 (10)
1. The utility model provides an electricity core liquid cooling module structure which characterized in that: comprises that
The battery cell fixing structures comprise a supporting base and an upper cover and are respectively buckled at the upper end and the lower end of the square battery cell, and an avoidance channel for exposing a battery cell pole is arranged on a cover plate of the upper cover;
the supporting base and the upper cover are respectively provided with a through hole extending in the width direction;
the end plates are arranged at two ends of the plurality of battery cell fixing structures which are arranged in a row;
the long screw rods are arranged in the penetrating holes of the plurality of battery cell fixing structures arranged in a row in a penetrating manner, and are connected with the two end plates so as to clamp each battery cell fixing structure;
the liquid cooling plate is arranged between two adjacent battery cells arranged in a row and used for exchanging heat with the two battery cells;
and the liquid inlet pipe and the liquid outlet pipe extend along the arrangement direction of the plurality of electric core fixing structures and are respectively communicated with the liquid cooling plates.
2. The battery core liquid cooling module structure of claim 1, wherein: the battery core liquid cooling module structure comprises a heat conduction insulating layer, wherein the heat conduction insulating layer is tightly attached to the two side plate surfaces of the liquid cooling plate and used for being clamped between the liquid cooling plate and the battery core.
3. The battery core liquid cooling module structure of claim 2, wherein: support base and/or upper cover all to be equipped with the holding tank that is used for holding the liquid cooling board in its width direction's both sides, the holding tank is used for spacing liquid cooling board on width direction.
4. The electric core liquid cooling module structure of any one of claims 1 to 3, characterized in that: the supporting base and the upper cover are provided with the penetrating holes at two ends in the length direction.
5. The battery core liquid cooling module structure of claim 4, wherein: the support base and the upper cover are both provided with protruding strips extending along the width direction at two ends of the length direction, and the penetrating holes penetrate through the protruding strips.
6. The electric core liquid cooling module structure of any one of claims 1 to 3, characterized in that: the liquid inlet and the liquid outlet of the liquid cooling plate are respectively arranged on two sides in the width direction, and the liquid inlet pipe and the liquid outlet pipe are arranged on two sides in the width direction of the battery cell fixing structure.
7. The electric core liquid cooling module structure of any one of claims 1 to 3, characterized in that: and the two ends of the liquid inlet pipe and the liquid outlet pipe are respectively fixedly connected with the two end plates.
8. The battery core liquid cooling module structure of 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 wall of the mounting groove through screws.
9. The battery cell liquid cooling module structure of claim 8, wherein: the support base and the upper cover are all provided with the sand grip that extends along width direction at the both ends of length direction, wear the dress hole and run through the sand grip setting, the distance of the sand grip at the length direction both ends of support base and upper cover is greater than the distance between the ascending, drain pipe of equidirectional.
10. Liquid cooling battery module, including electric core liquid cooling module structure and the square electric core of placing in electric core liquid cooling module, its characterized in that: the cell liquid cooling module structure of any of claims 1 to 9 above.
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| CN112151707B (en) | 2023-04-28 |
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