A rapid cooling liquid-cooled integrated tray and a manufacturing method thereof

Abstract

The application discloses a kind of quick cooling liquid cooling integrated tray and its manufacturing method, including box frame and liquid cooling plate;The bottom of the box frame is provided with liquid cooling plate, and the battery cell in the box frame is directly bonded on the liquid cooling plate accordingly;The top cover of the box frame is provided with box upper cover;When combined and installed, the box frame is clamped and stabilized between liquid cooling plate and box upper cover by clamping structure respectively.The application provides a kind of quick cooling liquid cooling integrated tray and its manufacturing method can meet the new energy vehicle weight reduction concept, and has better cooling efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of battery box. BACKGROUND

[0002] The new energy automobile industry is developing more and more rapidly, and the setting of the battery box plays an important role in the new energy automobile industry. It needs to have good heat dissipation effect, thereby ensuring the safety of the battery in the automobile. In the present scheme, compared with the ordinary battery box tray, the setting of the bottom plate is reduced, and the liquid cooling plate is moved to the position of the box bottom plate. The box achieves the concept of weight reduction of the new energy automobile industry. At the same time, the movement of the liquid cooling plate can directly set the battery cell on the liquid cooling plate. In this way, the cooling efficiency is improved. SUMMARY

[0003] The present application provides a kind of liquid cooling integrated tray of quick cooling and its manufacturing method to overcome the deficiencies in the prior art, which can meet the concept of weight reduction of new energy vehicles and has better cooling efficiency.

[0004] Technical scheme: in order to achieve the above-mentioned purpose, the technical scheme of the present application is as follows:

[0005] A kind of liquid cooling integrated tray of quick cooling, including box frame and liquid cooling plate;The bottom of the box frame is provided with liquid cooling plate, and the battery cell in the box frame is directly bonded on the liquid cooling plate accordingly;The top of the box frame is provided with a box cover;When combined and installed, the box frame is clamped and stabilized between the liquid cooling plate and the box cover by clamping structure.

[0006] Further, the box frame is a rectangular frame structure, and the box frame is provided through the inside middle part;The box frame includes a plurality of spliced plates;The first spliced plate is sequentially spliced;The inner wall and the side wall of the spliced plate at both ends of the liquid cooling plate are respectively provided with a plurality of special-shaped grooves, and the special-shaped grooves on the inner wall of the spliced plate and the special-shaped grooves on the side wall of the spliced plate are staggered;A plurality of special-shaped grooves are arranged on the side wall of the spliced plate to form heat dissipation compartments arranged in up-down and left-right directions;A plurality of mounting sleeves are arranged between a plurality of heat dissipation compartments;The mounting sleeve is provided with a reinforcing screw correspondingly, and a plurality of reinforcing screws are arranged at intervals along the edge track of the box frame;For stabling the integrated tray on the automobile chassis.

[0007] Further, the spliced plate side wall at one end of the box frame is fixedly provided with a connecting port; a plurality of the special-shaped grooves are located around the connecting port; the connecting port is internally provided with a corresponding connecting hole in communication with the inside of the box frame, and the battery core interface in the inside of the box frame is electrically connected with the outside through the connecting hole; a plurality of guide rods are fixedly provided on the inner wall of the connecting port; the guide rods are arranged in extension along the opening direction of the connecting port; a plurality of through ports are formed on the side wall of the connecting port; a plurality of fixing holes are fixedly provided on the top of the connecting port; and a plurality of the connecting ports are fixed in the fixing holes through screws.

[0008] Further, the two side walls of the box frame are fixedly provided with reinforcing plates; a plurality of the reinforcing plates are integrally arranged along the length direction of the corresponding spliced plates; a through groove is formed in the middle of the reinforcing plate; a plurality of the reinforcing plates are respectively fixed on the top and bottom of the spliced plate; the surface of the reinforcing plate on the top of the spliced plate is flush with the top surface of the spliced plate; the reinforcing plate on the bottom of the spliced plate is discontinuously arranged and is arranged in a plurality of segments in straight line; and the through groove on the top of the spliced plate is filled with a filler.

[0009] The width of the reinforcing plate on the bottom of the spliced plate is wider than that of the reinforcing plate on the top of the spliced plate; the reinforcing plate on the bottom of the spliced plate is provided with a matching groove away from the bottom of the box frame; a partition plate is fixedly provided in the through groove on the bottom of the spliced plate; the through groove is divided into a plurality of channels by the partition plate, and the cross sections of the channels are special-shaped; the channels are correspondingly arranged in segments; and the channels at both ends of the reinforcing plate are filled with fillers.

[0010] Further, the upper cover of the box is correspondingly covered on the box frame; the edges of the upper cover of the box are correspondingly arranged on the edges of the box frame; the two side edges of the upper cover of the box are correspondingly attached to the surfaces of the reinforcing plates; the upper cover of the box is fixed on the box frame through screws; the middle of one end of the upper cover of the box is protruded to form a containing cavity; the containing cavity is a rectangular cover body; the containing cavity is arranged away from one end of the connecting port; the containing cavity is in communication with the inside of the box frame; and when the upper cover of the box is mounted on the box frame, the edges of the upper cover of the box and the top edges of the box frame are first clamped and attached together through the clamping structure, and then the upper cover of the box is fixed on the box frame through screws.

[0011] Further, the bottom of the box frame is correspondingly provided with a liquid cooling plate; the bottom edge of the box frame is protruded to form an embedded groove; the liquid cooling plate is correspondingly arranged in the embedded groove; an embedded entrance is formed in the inner wall of the box frame away from the connecting port, and a through hole is correspondingly formed in the middle of the entrance; a water receiving nozzle is arranged on one end of the liquid cooling plate; the water receiving nozzle is correspondingly embedded in the embedded entrance, and the water receiving end of the water receiving nozzle is correspondingly arranged out of the through hole; the water receiving nozzle is an integral plate structure, and the water receiving end of the water receiving nozzle is arranged in the special-shaped groove on the side wall of the box frame.

[0012] The water inlet of the water inlet nozzle is connected with the main pipe of the liquid guide pipe, and a plurality of branch pipes are connected with the main pipe along the extension direction of the main pipe; the branch pipes on one side of the main pipe are arranged in a serpentine manner to form a dense area, and the dense area is arranged at the position corresponding to the accommodating cavity; the branch pipes on the other side of the main pipe are arranged in a serpentine manner on the liquid cooling plate after bypassing the dense area; and one end of the branch pipes is returned to the water outlet of the water inlet nozzle through the collecting pipe.

[0013] Further, the clamping structure comprises a positioning structure and an extrusion structure; the positioning structure comprises an adjusting base; a lifting column is drivingly connected and arranged on the top of the adjusting base; the extrusion structure is arranged on the top end of the lifting column; the lifting column drives the extrusion structure to move up and down to a pre-pressing position, and the extrusion structure is correspondingly pressed on the stirring and welding position;

[0014] The extrusion structure comprises a mounting block and an extrusion body; the extrusion body is fixed on one side wall of the mounting block; a telescopic rod is drivingly connected and arranged on the top of the mounting block; the extrusion body is fixed on the side wall of the fixed block on one end of the telescopic rod away from the mounting block; the extrusion bodies on the mounting block and the fixed block are arranged at a corresponding interval; through the telescopic movement of the telescopic rod, the oppositely arranged extrusion bodies move close to each other and are extruded and clamped on the edge of the cabinet frame and the edge of the cabinet upper cover, and the oppositely arranged extrusion bodies can be correspondingly clamped on the liquid cooling plate and the cabinet frame, which is beneficial to the stable stirring and welding and the installation of screws.

[0015] Further, the extrusion body comprises a pressing block; the pressing blocks oppositely move with the mounting block and the fixed block, and the opposite sides of the pressing blocks are extrusion surfaces; a movable groove is respectively formed in the two side walls of the pressing block; the movable groove is arc-shaped; a pushing structure is arranged in the movable groove; the pushing structure comprises a pushing block and a matching block; the matching block is arranged in the middle of the movable groove; a driving device is drivingly connected and arranged on one side of the matching block; a guide arc rod is arranged at the center of the movable groove; a recess is formed in one side wall of the pushing block; the recess hole is gradually reduced in size; a round head is fixedly arranged on one end of the guide arc rod away from the matching block; the round head is correspondingly embedded in the recess hole and movably arranged; the guide arc rod drives the pushing block to move in and out of the movable groove; the pushing block moves back and forth along an arc-shaped track, and the side wall movement of the pushing block is adapted to the extrusion surface of the pressing block; the driving end of the driving device in the movable groove is drivingly connected with the matching block, which drives the pushing block to move out of the movable groove.

[0016] Further, the push block is provided with a liquid accumulation cavity in the middle of the side of the guide arc rod, the liquid accumulation cavity is closed at the opening and provided with an elastic film layer, the liquid accumulation cavity is provided with a gel, a plurality of extrusion grooves are formed in the inner wall of the liquid accumulation cavity, the extrusion grooves are filled with the push blocks correspondingly, the driving device in the extrusion groove is drivingly connected with the embedded end of the push block, the push block moves to push and extrude the gel on the elastic film layer, and the elastic film layer is adapted to the surface of the extruded box frame.

[0017] Further, the manufacturing method comprises the following steps: step one, first, place the liquid cooling plate in the embedded groove of the box frame, then press the plurality of pressing blocks on the liquid cooling plate and the edge of the box frame for pre-pressing and clamping, and then perform stirring welding;

[0018] Step two: during stirring welding, the push block is driven by the guide arc rod to move and abut against the side wall of the box frame, and the other side is stirred and welded to provide support for the position of stirring welding and prevent the stirring needle from sinking;

[0019] Step three: after the liquid cooling plate is installed, the battery cell in the box frame is directly bonded to the liquid cooling plate through the gel for direct contact;

[0020] Step four: the upper cover of the box is covered on the box frame, the edge position is clamped through the clamping structure, then welding is performed, and the box is fixed through the screw.

[0021] Beneficial effects: the liquid cooling plate of the present application can achieve better cooling efficiency and reduce the weight of the integrated tray as a whole; the beneficial effects include but are not limited to the following:

[0022] 1) the water inlet nozzle is embedded in the box frame to support the position of the box frame, prevent the stirring needle from sinking during welding, avoid damage caused by impact, and ensure the hole spacing;

[0023] 2) when the surface of the object pushed by the push block is a concave-convex surface, the elastic film layer of the liquid accumulation cavity is correspondingly attached to the concave-convex surface, then the push block moves to push and extrude the gel to extrude the elastic film layer, the elastic film layer is deformed correspondingly to fill the attached concave-convex surface, and good limiting can be achieved, and the pushing force is more uniform. BRIEF DESCRIPTION OF DRAWINGS

[0024] ATTACHMENT Figure 1 It is a structure diagram of a liquid cooling integrated tray;

[0025] ATTACHMENT Figure 2 It is a structure diagram of a liquid cooling plate;

[0026] ATTACHMENT Figure 3 It is a structure diagram of a special-shaped groove;

[0027] ATTACHMENT Figure 4For the connecting port structure diagram;

[0028] Attached Figure 5 For the reinforcing plate structure diagram;

[0029] Attached Figure 6 For the water nozzle structure diagram;

[0030] Attached Figure 7 For the branch pipe structure diagram;

[0031] Attached Figure 8 For the clamping structure diagram;

[0032] Attached Figure 9 For the extrusion structure diagram;

[0033] Attached Figure 10 For the effusion cavity structure diagram. DETAILED DESCRIPTION

[0034] The application will be described further with reference to the drawings.

[0035] As attached Figures 1-10 : A liquid cooling integrated tray for rapid cooling, comprising a box frame 1 and a liquid cooling plate 2; the bottom of the box frame 1 is provided with the liquid cooling plate 2, and the electric core in the box frame 1 is directly bonded on the liquid cooling plate 2 correspondingly; the top of the box frame 1 is provided with a box upper cover 3; when combined and installed, the box frame 1 is clamped and stabilized between the liquid cooling plate 2 and the box upper cover 3 through the clamping structure 4. When the integrated tray is installed, the clamping structure is used to clamp and fix the position of the box upper cover, the box frame and the liquid cooling plate edge, so that the gap between them is reduced during installation and fixation, and the integrated tray is less likely to loosen and damage during use, which can cause accidents. In addition, the setting of the bottom plate is reduced during installation, thereby reducing the weight of the integrated tray and achieving the weight reduction of the new energy automobile industry.

[0036] The box frame 1 is a rectangular frame structure, and a through hole is provided in the middle of the box frame 1; the box frame 1 comprises a plurality of spliced plates 11; the plurality of spliced plates 11 are sequentially spliced; a plurality of special-shaped grooves 111 are formed on the inner wall and the side wall of the spliced plates 11 at both ends of the liquid cooling plate 2, and the special-shaped grooves 111 on the inner wall of the spliced plates 11 and the special-shaped grooves 111 on the side wall of the spliced plates 11 are arranged at intervals; a plurality of heat dissipation compartments 112 are arranged on the side wall of the spliced plates 11 between the special-shaped grooves 111; a mounting sleeve 113 is arranged between a plurality of heat dissipation compartments 112; a reinforcing screw 114 is arranged in the mounting sleeve 113; a plurality of reinforcing screws 114 are arranged at intervals along the edge track of the box frame 1; and the integrated tray is stably fixed on the automobile chassis. A plurality of special-shaped grooves are formed on the box frame, a plurality of compartments are formed, the wall thickness of the box frame can be thin without affecting the bearing capacity of the box frame, the heat dissipation effect is improved, the heat generated by the battery is difficult to accumulate in the box frame and be conducted out, the temperature is prevented from being too high to affect the normal work of the battery, and the safety is improved.

[0037] The side wall of the spliced plate 11 at one end of the box frame 1 is fixedly provided with a connecting port 12; a plurality of special-shaped grooves 111 are arranged around the connecting port 12; a connecting hole 121 in the connecting port 12 is in communication with the inside of the box frame 1, and a battery interface in the box frame 1 is electrically connected to the outside through the connecting hole 121; a plurality of guide rods 122 are fixedly arranged on the inner wall of the connecting port 12; the guide rods 122 extend along the opening direction of the connecting port 12, which is beneficial to the correct installation of the interface connection; a plurality of through ports 123 are formed in the side wall of the connecting port 12; a plurality of fixing holes 124 are formed in the top of the connecting port 12; and a plurality of connecting ports 12 are fixed in the fixing holes 124 through the reinforcing screws 114. The connecting port can facilitate the electrical connection between the battery and the outside, and the through port can improve the heat dissipation; the box frame is installed through the fixing holes, and the stability is improved.

[0038] A reinforcing plate 13 is fixedly arranged on the side wall of the box frame 1; a plurality of reinforcing plates 13 are fixedly arranged along the length direction of the corresponding spliced plate 11; a through groove 131 is formed in the middle of the reinforcing plate 13; a plurality of reinforcing plates 13 are fixedly arranged on the top and the bottom of the spliced plate 11; the surface of the reinforcing plate 13 on the top of the spliced plate 11 is flush with the top surface of the spliced plate 11; the reinforcing plate 13 on the bottom of the spliced plate 11 is arranged in multiple sections at intervals; the through groove 131 on the top of the spliced plate 11 is filled with a filler; the reinforcing plate increases the strength of the box frame, and the through groove improves the heat conduction effect, which is beneficial to the heat conduction of the box frame.

[0039] The reinforcing plate 13 at the bottom of the split plate 11 is wider than the reinforcing plate 13 at the top of the split plate 11; the reinforcing plate 13 at the bottom of the split plate 11 is provided with a matching groove 132 away from the bottom of the side of the cabinet frame 1; the through groove 131 at the bottom of the split plate 11 is fixedly provided with a partition plate 133; the partition plate 133 divides the through groove 131 into a plurality of passages 134, and the plurality of passages 134 are of a special shape; the plurality of passages 134 are correspondingly arranged in sections; the passages 134 at both ends of the reinforcing plate 13 are filled with fillers. By arranging the partition plate, the bearing strength of the overall cabinet frame is increased, and after installation, the reinforcing plate can be better matched and installed with other components, thereby limiting the cabinet frame and preventing the integrated tray from moving after installation.

[0040] The cabinet upper cover 3 corresponds to the cover of the cabinet frame 1; the edge of the cabinet upper cover 3 corresponds to the edge of the cabinet frame 1; the two side edges of the cabinet upper cover 3 correspond to the surface of the reinforcing plate 13; the cabinet upper cover 3 is fixed to the cabinet frame 1 by screws 114; one end of the cabinet upper cover 3 is protruded in the middle to form a receiving cavity 31; the receiving cavity 31 is a square cover; the receiving cavity 31 is arranged away from one end of the connecting port 12; the receiving cavity 31 is in communication with the inside of the cabinet frame 1; and when the cabinet upper cover 3 is installed on the cabinet frame 1, the edge of the cabinet upper cover 3 and the top edge of the cabinet frame 1 are first clamped together by the clamping structure 4, and then the cabinet upper cover 3 is fixed on the cabinet frame 1 by the screws 114. The cabinet upper cover is provided with a receiving cavity, and the components in the cabinet frame correspond to the receiving cavity, which is conducive to the centralized arrangement of the components and reduces the internal excess space and the overall space occupied. At the same time, the cost of the cabinet upper cover is reduced.

[0041] The cabinet frame 1 is correspondingly provided with a liquid cooling plate 2 at the bottom; the edge of the bottom of the cabinet frame 1 is protruded to form an embedded groove 14; the liquid cooling plate 2 is correspondingly arranged in the embedded groove 14; the inner wall of the cabinet frame 1 away from the connecting port 12 is provided with an embedded inlet 15, and a through hole 151 is correspondingly and centrally provided in the embedded inlet 15; the liquid cooling plate 2 is provided with a water receiving nozzle 21 at one end; the water receiving nozzle 21 is correspondingly embedded in the embedded inlet 15, and the water receiving end of the water receiving nozzle 21 is correspondingly arranged to pass through the through hole 151; the water receiving nozzle 21 is an integral plate structure, and the water receiving end of the water receiving nozzle 21 is in the special-shaped groove 111 on the side wall of the cabinet frame 1; the liquid cooling plate is embedded in the cabinet frame, which has a better matching and installation effect and improves the integrity, and the water receiving nozzle is embedded in the cabinet frame, which reduces the occupied space and avoids damage to the water receiving nozzle.

[0042] The water inlet 211 is in communication with the main pipe 221 of the liquid guide pipe 22, and the main pipe 221 is provided with a plurality of branch pipes 222 extending in the direction of the main pipe. The branch pipes 222 on one side of the main pipe 221 are arranged in a serpentine manner and form a dense area 223, and the dense area 223 is arranged corresponding to the position of the accommodating cavity 31. The branch pipes 222 on the other side of the main pipe 221 are arranged in a serpentine manner on the liquid cooling plate 2 after bypassing the dense area 223. One end of the branch pipe 222 extends in a serpentine manner and returns to the water inlet 211 on the other side of the dense area 223 and is connected to the water outlet 212 through the collecting pipe 224. The battery cell is directly bonded to the liquid cooling plate, which can improve the cooling effect. The water inlet is integrated, which ensures the hole spacing from the process. Compared with the ordinary water inlet, the water inlet is protrudingly arranged, which can cause inclination during welding, and the hole spacing cannot be guaranteed, which affects the production efficiency and the size precision of the welded part. The water inlet can also avoid being easily damaged by impact. The water inlet is embedded in the box frame, replacing the profile of the box frame, thereby achieving the purpose of weight reduction, and the water inlet supports the side wall of the box frame. During welding, the stirring needle can be prevented from being inserted into the box frame to cause the collapse of the side wall of the box frame.

[0043] The clamping structure 4 includes a positioning structure 41 and an extrusion structure 42. The positioning structure 41 includes an adjusting base 411. The adjusting base 411 is drivingly connected to a lifting column 412 at the top. The extrusion structure 42 is arranged at the top end of the lifting column 412. The lifting column 412 drives the extrusion structure 42 to move up and down to a pre-pressing position, and the extrusion structure 42 is correspondingly pressed on the stirring and welding position. The extrusion structure is pressed and clamped by relative movement, which ensures that there is no gap between the box frame, the upper cover of the box, and the liquid cooling plate after installation, and avoids the easy loosening and damage of the integrated tray.

[0044] The extrusion structure 42 comprises a mounting block 421 and an extrusion body 43; the mounting block 421 is fixed with the extrusion body 43 on one side wall; the top of the mounting block 421 is provided with a telescopic rod 422 in driving connection; the fixed block 423 is fixed with the extrusion body 43 on the side wall of one end of the telescopic rod 422 away from the mounting block 421; the extrusion bodies 43 on the mounting block 421 and the fixed block 423 are provided at corresponding intervals; through the telescopic movement of the telescopic rod 422, the relatively arranged extrusion bodies 43 relatively move to be close to and clamped to the edges of the cabinet frame 1 and the cabinet upper cover 3, and the relatively arranged extrusion bodies 43 can be correspondingly clamped to the liquid cooling plate 2 and the cabinet frame, which is beneficial to the stable stirring welding and the installation of the screw 114. Through the adjustment of the lifting column, the extrusion structure is moved to the clamping position, and then the telescopic rod adjusts the relative movement of the extrusion structure to clamp the cabinet frame, thereby avoiding the gap between the cabinet frame and the liquid cooling plate and the cabinet upper cover during installation, and preventing the poor installation.

[0045] The extrusion body 43 comprises a pressing block 431; the pressing blocks 431 relatively move with the mounting block 421 and the fixed block 423, and one side of the pressing block 431 is an extrusion surface 439; the two side walls of the pressing block 431 are respectively provided with a movable groove 432; the movable groove 432 is arc-shaped; the movable groove 432 is provided with a pushing structure 430; the pushing structure 430 comprises a pushing block 433 and a matching block 434; the matching block 434 is arranged in the middle of the movable groove 432; the matching block 434 is provided with a guide arc rod 435 in driving connection on one side of the driving device; the center of the guide arc rod 435 coincides with the center of the movable groove 432; a round head 437 is fixedly arranged on one end of the guide arc rod 435 away from the matching block 434; the round head 437 is movably arranged in the embedding hole 436; the embedding hole 436 has a gradually decreasing hole opening; the round head 437 is movably arranged in the embedding hole 436; the guide arc rod 435 drives the pushing block 432 to move in and out of the movable groove 432; the pushing block 433 moves back and forth along an arc-shaped track, and the side wall movement of the pushing block 433 is adapted to the extrusion surface 439 of the pressing block 431; the driving end of the driving device in the movable groove 432 is in driving connection with the matching block 434, which drives the pushing block 433 to move out of the movable groove 432. The driving device on the matching block drives the guide arc rod to move the pushing block out of the movable groove, and the movement track of the pushing block is arc-shaped. In this way, the side wall movement of the pushing block is adapted to the position of the extrusion surface, the pressing block presses the cabinet frame from the side edge, and the pressing block presses and clamps the cabinet frame from the side edge. Different pushing blocks can be independently controlled, the lower pushing block can independently push from below, and the upper pushing block can independently press from above. When the pressing block is pressed, the pushing block moves to the side opposite to the stirring needle to abut tightly, thereby acting on the stirring needle, avoiding the collapse of the welding surface caused by the downward penetration of the stirring needle.

[0046] The push block 433 is provided with a liquid accumulation cavity 44 in the middle of the side away from the guide arc rod 435; the liquid accumulation cavity 44 is provided with an elastic film layer 441 at the opening; the liquid accumulation cavity 44 is provided with a colloid; a plurality of extrusion grooves 442 are provided on the inner wall of the liquid accumulation cavity 44; the extrusion grooves 442 are provided with a push block 443; the drive device in the extrusion groove 442 is drivingly connected to the embedded end of the push block 443; the push block 443 moves to push the colloid to the elastic film layer 441; the elastic film layer 441 is adapted to the surface of the extruded box frame 1. When the surface of the object pushed by the push block is a slope, the round head can be adjusted accordingly; when the surface of the object pushed by the push block is a concave-convex surface, the elastic film layer of the liquid accumulation cavity is correspondingly attached to the concave-convex surface, and then the push block moves to push the colloid to extrude the elastic film layer, and the elastic film layer is deformed and filled on the attached concave-convex surface, thereby achieving good limiting and more uniform pushing force.

[0047] The manufacturing method is as follows: step one: first, place the liquid cooling plate 2 in the embedded groove 14 of the box frame 1, then press the plurality of pressing blocks 431 on the edge of the liquid cooling plate 2 and the box frame 1, and pre-press and clamp; then stir and weld; the position of the liquid cooling plate is set to the bottom plate to achieve the concept of weight reduction, and the battery cell is glued to the liquid cooling plate for direct contact, which is more efficient (in the ordinary integrated tray, the battery cell is glued to the bottom plate, and the liquid cooling plate is inverted to the battery cell, so that there is a gap between the battery cell and the liquid cooling plate, which results in poor cooling effect).

[0048] Step two: during the stirring and welding, the push block 433 is driven by the guide arc rod 435 to move and abut against the side wall of the box frame 1, and the other side is stirred and welded to provide support for the position of the stirring and welding to prevent the stirring needle from collapsing; at the same time, the water inlet nozzle is prevented from being easily damaged by collision, and the design of the integrated water inlet nozzle ensures the hole spacing after welding.

[0049] Step three: after the liquid cooling plate 2 is installed, the battery cell in the box frame 1 is directly glued to the liquid cooling plate 2 for direct contact, which improves the cooling efficiency.

[0050] Step four: the box upper cover 3 is provided on the box frame 1, and the edge position is clamped by the clamping structure 4, then welded, and fixed by the screw 114. The liquid cooling plate is installed at the bottom of the box frame, and the box upper cover does not need too high strength to protect the liquid cooling plate, so the material of the box upper cover can be changed from general steel to SMC material, and there is no need to worry about rusting.

[0051] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any improvement and change made without departing from the principles of the present application should also be considered as falling within the scope of protection of the present application.

Claims

1. A rapid cooling liquid cooling integrated tray, characterized by: The invention comprises a box frame (1) and a liquid cooling plate (2); the liquid cooling plate (2) is provided at the bottom of the box frame (1), and the battery cells in the box frame (1) are directly bonded to the liquid cooling plate (2); the top cover of the box frame (1) is provided with a box upper cover (3); when assembled, the box frame (1) is clamped and stabilized with the liquid cooling plate (2) and the box upper cover (3) by a clamping structure (4); The box frame (1) is a rectangular frame structure, and the middle part of the box frame (1) is through-set; the box frame (1) includes a plurality of splicing plates (11); the plurality of splicing plates (11) are spliced ​​and arranged in sequence; a plurality of special-shaped grooves (111) are respectively provided on the inner walls and side walls of the splicing plates (11) at both ends of the liquid cooling plate (2), and the special-shaped grooves (111) on the inner walls of the splicing plates (11) and the special-shaped grooves on the side walls of the splicing plates (11) are (111) staggered arrangement; a plurality of the special-shaped grooves (111) are constructed on the side wall of the spliced ​​plate (11) to form heat dissipation compartments (112) arranged vertically and horizontally; a mounting sleeve (113) is provided between the plurality of the heat dissipation compartments (112); a reinforcement screw (114) is correspondingly provided in the mounting sleeve (113), and a plurality of the reinforcement screws (114) are arranged at intervals along the edge track of the box frame (1); and are used to secure the entire integrated tray on the chassis of the automobile; A connection port (12) is fixedly provided on the side wall of the splicing plate (11) at one end of the box frame (1); a plurality of the special-shaped grooves (111) are located around the connection port (12); a connection hole (121) inside the connection port (12) is correspondingly connected to the inside of the box frame (1), and the battery cell interface inside the box frame (1) is electrically connected to the outside through the connection hole (121); a plurality of guide rods (122) are fixedly provided on the inner wall of the connection port (12); a plurality of the guide rods (122) are extended along the opening direction of the connection port (12); a plurality of through openings (123) are opened on the side wall of the connection port (12); a plurality of fixing holes (124) are fixedly provided on the top of the connection port (12); a plurality of the connection ports (12) are fixed in the fixing holes (124) by screws (114); The box frame (1) is provided with reinforcing plates (13) on both side walls; a plurality of the reinforcing plates (13) are fixed as a whole along the length direction of the corresponding splicing plate (11); a through slot (131) is provided through the middle of the reinforcing plates (13); a plurality of the reinforcing plates (13) are respectively fixed on the top and bottom of the splicing plate (11); the surface of the reinforcing plate (13) on the top of the splicing plate (11) is flush with the top surface of the splicing plate (11); the reinforcing plate (13) on the bottom of the splicing plate (11) is disconnected and arranged in a straight line at multiple intervals; the through slot (131) on the top of the splicing plate (11) is filled with a filler; The reinforcing plate (13) at the bottom of the splicing plate (11) is wider than the reinforcing plate (13) at the top of the splicing plate (11); a matching groove (132) is provided at the bottom of the reinforcing plate (13) at a side away from the box frame (1); a partition (133) is fixed in the through groove (131) at the bottom of the splicing plate (11); the partition (133) divides the through groove (131) into a plurality of channels (134), and the cross-sections of the plurality of channels (134) are irregular; the plurality of channels (134) are arranged in corresponding sections; and the channels (134) at both ends of the reinforcing plate (13) are filled with fillers.

2. The rapid cooling liquid cooling integrated tray according to claim 1, characterized in that: The box cover (3) is correspondingly covered on the box frame (1); the edge of the box cover (3) is arranged corresponding to the edge of the box frame (1); the edges on both sides of the box cover (3) are correspondingly fitted on the surface of the reinforcing plate (13); the box cover (3) is fixed to the box frame (1) by screws (114); the middle part of one end of the box cover (3) is raised to form a receiving cavity (31); the receiving cavity (31) is a rectangular cover; the receiving cavity (31) is arranged away from one end of the connecting port (12); the receiving cavity (31) is communicated with the inside of the box frame (1); and when the box cover (3) is installed on the box frame (1), the edge of the box cover (3) and the top edge of the box frame (1) are first clamped together by the clamping structure (4), and then the box cover (3) is fixed to the box frame (1) by the screws (114).

3. The rapid cooling liquid cooling integrated tray according to claim 2, characterized in that: The bottom of the box frame (1) is provided with a liquid cooling plate (2); the bottom edge of the box frame (1) is provided with a protrusion to form an embedding groove (14); the liquid cooling plate (2) is provided in the embedding groove (14); an embedding opening (15) is provided on the inner wall of the end of the box frame (1) away from the connection opening (12), and a through hole (151) is provided in the middle of the embedding opening (15); a water receiving nozzle (21) is provided on one end of the liquid cooling plate (2); the water receiving nozzle (21) is embedded in the embedding opening (15), and the water receiving end of the water receiving nozzle (21) is provided to extend through the through hole (151); the water receiving nozzle (21) is an integral plate-shaped structure, and the water receiving end of the water receiving nozzle (21) is located in the special-shaped groove (111) on the side wall of the box frame (1); The integral water receiving nozzle (21) comprises a water inlet (211) and a water outlet (212); a plurality of liquid guide pipes (22) are laid on the liquid cooling plate (2); the water inlet (211) is connected to a main pipe (221) of the liquid guide pipe (22); along the extension direction of the main pipe, the main pipe (221) is connected to a plurality of dispersed branch pipes (222); the plurality of dispersed branch pipes (222) on one side of the main pipe (221) are arranged in a serpentine manner. , which is a dense area (223), and the dense area (223) is arranged corresponding to the position of the accommodating cavity (31); a plurality of dispersed branch pipes (222) on the other side of the main pipe (221) bypass one side of the dense area (223) and are arranged on the liquid cooling plate (2) in a serpentine shape; one end of the dispersed branch pipe (222) extends in a serpentine manner from the other side of the dense area (223) back to the position of the water receiving nozzle (21) and is connected to the water outlet (212) through the collecting pipe (224).

4. The rapid cooling liquid cooling integrated tray according to claim 3, characterized in that: The clamping structure (4) includes a positioning structure (41) and an extrusion structure (42); the positioning structure (41) includes an adjustment base (411); a lifting column (412) is provided at the top of the adjustment base (411) for driving connection; the extrusion structure (42) is provided at the top of the lifting column (412); the lifting column (412) drives the extrusion structure (42) to move up and down to a pre-pressing position, and the extrusion structure (42) is correspondingly pressed at a stirring welding position; The extrusion structure (42) includes a mounting block (421) and an extrusion body (43); the extrusion body (43) is fixedly provided on one side wall of the mounting block (421); a telescopic rod (422) is provided on the top drive connection of the mounting block (421); the extrusion body (43) is fixedly provided on the side wall of the fixed block (423) at one end of the telescopic rod (422) away from the mounting block (421); the extrusion body (43) on the mounting block (421) and the extrusion body (43) on the fixed block (423) are arranged at corresponding intervals; through the telescopic movement of the telescopic rod (422), the relatively arranged extrusion bodies (43) move relatively close to the edge of the box frame (1) and the edge of the box cover (3), and the relatively arranged extrusion bodies (43) can be correspondingly clamped on the liquid cooling plate (2) and the box frame, which is conducive to stable stirring welding and installation of screws (114).

5. The rapid cooling liquid cooling integrated tray according to claim 4, characterized in that: The extrusion body (43) includes a pressing block (431); the pressing block (431) moves with the mounting block (421) and the fixing block (423) respectively, and the opposite side of the pressing block (431) is an extrusion surface (439); the two side walls of the pressing block (431) are respectively provided with movable grooves (432); the movable groove (432) is arc-shaped; a pushing structure (430) is provided in the movable groove (432); the pushing structure (430) includes a pushing block (433) and a matching block (434); the matching block (434) is provided in the middle of the movable groove (432); a driving device on one side of the matching block (434) is connected to a guide arc rod (435); the center of the guide arc rod (435) coincides with the center of the movable groove (432). The push-out block (433) is provided with an insert hole (436) on one side wall; the hole of the insert hole (436) gradually decreases; the guide arc rod (435) is fixed with a round head (437) at one end away from the matching block (434); the round head (437) is correspondingly embedded in the insert hole (436) and is movably arranged; the guide arc rod (435) drives the push-out block (433) in and out of the movable groove (432); the push-out block (433) moves back and forth along an arc trajectory, and the movement of the side wall of the push-out block (433) is adapted to the extrusion surface (439) of the pressing block (431); the driving end of the driving device in the movable groove (432) is connected to the matching block (434) for driving, and the matching block (434) is driven to drive the push-out block (433) to separate from the movable groove (432).

6. The rapid cooling liquid cooling integrated tray according to claim 5, characterized in that: A liquid accumulation chamber (44) is provided in the middle of one side of the push-up block (433) away from the guide arc rod (435); an elastic membrane layer (441) is provided at the opening of the liquid accumulation chamber (44); a colloid is provided in the liquid accumulation chamber (44); a plurality of extrusion grooves (442) are provided on the inner wall of the liquid accumulation chamber (44); a push-up block (443) is provided in the extrusion groove (442) to be filled with a corresponding push-up block (443); a driving device is embedded in the extrusion groove (442) and is connected to the push-up block (443) at one end; the movement of the push-up block (443) drives the colloid to push against the elastic membrane layer (441); the elastic membrane layer (441) is adapted to fit the surface of the extruded box frame (1).

7. A method for manufacturing a rapid cooling liquid-cooled integrated tray according to any one of claims 1 to 6, characterized in that: The manufacturing method is: Step 1: first, place the liquid cooling plate (2) in the fitting groove (14) of the box frame (1), then press a plurality of pressing blocks (431) on the edges of the liquid cooling plate (2) and the box frame (1) to perform pre-pressing and clamping; then stir welding is performed; Step 2: During stir welding, the push block (433) is driven by the guide arc rod (435) to move against the side wall of the box frame (1), while stir welding is performed on the other side, providing support for the stir welding position to prevent the stirring needle from sinking and collapsing; Step 3: After the liquid cooling plate (2) is installed, the battery cells in the box frame (1) are directly bonded to the liquid cooling plate (2) with glue, so that they are in direct contact; Step 4: Place the box upper cover (3) on the box frame (1), and clamp the edge position with the clamping structure (4), then weld it and fix it with screws (114).

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