CN212571118U

CN212571118U - High-strength battery liquid cooling plate

Info

Publication number: CN212571118U
Application number: CN202021214428.3U
Authority: CN
Inventors: 宋超; 王强; 张振文
Original assignee: Hubei Leidite Cooling System Co ltd
Current assignee: Hubei Leidite Cooling System Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-02-19
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a high strength battery liquid cooling board, including last casing and lower casing, first cavity has been seted up to the bottom of going up the casing, and the second cavity has been seted up at the top of lower casing, and the top of second cavity internal surface has from left to right welded first porous pipe and the porous pipe of second in proper order, and the top of the porous pipe of third has seted up the second and has carried the hole that sets up, the utility model relates to a new energy automobile's power battery liquid cooling board technical field. This high strength battery liquid cooling board, through last casing, lower casing, first porous pipe, the connection structure of the porous pipe of second and third has increased liquid cooling board bulk strength, can directly bear, make this liquid cooling board be difficult to the deformation damage because the improvement of intensity in the use, the security of this liquid cooling board has been improved, and because do not use support piece to do the support, liquid cooling board weight and shared space descend, battery package energy density improves, the space utilization who has increased the module has also reduced manufacturing cost.

Description

High-strength battery liquid cooling plate

Technical Field

The utility model relates to a new energy automobile's power battery liquid cooling board technical field specifically is a high strength battery liquid cooling board.

Background

The power battery of the electric automobile is a source of power of the electric automobile, the power battery mostly adopts lithium iron phosphate and a ternary lithium battery at present, and the problem of battery safety is more important due to the continuous improvement of energy density, so that the power battery is required to have a good heat management scheme. The liquid cooling is better than air cooling in temperature control effect on the battery pack, the liquid medium is high in heat exchange coefficient, large in heat capacity and faster in cooling speed, and most of the conventional power batteries of the electric automobile adopt a liquid cooling mode. In order to improve the energy density and the space utilization rate of the battery pack, an integrated concept is provided by a mainstream technical route, the length of the battery module at the early stage is mostly 390mm and 590mm, the length of the integrated module is more than 1000mm, and the integrated module has higher requirements on the strength of the liquid cooling plate. And traditional liquid cooling adopts the punching press board form, and the mould expense is high and preparation cycle is long.

The integrated mainstream technical route of current electric automobile power battery is that the big module more than 1000mm is integrated with a plurality of electric cores, and the gravity that liquid cooling board bore is showing and is improving, and traditional liquid cooling board generally does not consider the bearing when the design, and the intensity that leads to liquid cooling board is usually not high, the easy deformation damage to traditional liquid cooling board needs extra support piece to support, leads to space utilization in the box low and with high costs. This patent liquid cooling board is low and the preparation cycle is short compared traditional liquid cooling board mould expense.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a high strength battery liquid cooling board has solved the intensity of current liquid cooling board and is not high usually, and easy deformation damages, and traditional liquid cooling board needs extra support piece to support, leads to interior space utilization of box low with high costs to the problem of traditional punching press formula liquid cooling board mould expense height and preparation cycle length.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a high strength battery liquid cold plate, includes casing and lower casing, first cavity has been seted up to the bottom of going up the casing, the second cavity has been seted up at the top of casing down, the top of second cavity internal surface from left to right has arranged first porous pipe and the porous pipe of second in proper order, the shape of first porous pipe and the porous pipe of second is the L type that matches each other, first carrying setting hole has been seted up at the top of first porous pipe, the top of second cavity internal surface and the left side that is located first porous pipe and the right side of the porous pipe of second all arrange and have the porous pipe of third, and the top of the porous pipe of third has seted up the second and has carried the setting hole.

Preferably, the upper shell and the lower shell are symmetrically convex, the bottom of the upper shell is provided with a first cavity, and the top of the lower shell is provided with a second cavity.

Preferably, the left side and the right side of the top of the upper shell are respectively provided with an inlet joint and an outlet joint, and the bottom ends of the inlet joint and the outlet joint penetrate through the upper shell.

Preferably, a support is welded and fixed to the top of the upper shell and located on the front side of the outlet connector, and the bottom end of the first carrying and arranging hole penetrates through the first porous pipe and the second porous pipe in sequence.

Preferably, the left side and the right side of the top of the upper shell are both provided with a plurality of mounting holes.

Preferably, the top of the first carrying and setting hole and the top of the second carrying and setting hole are both communicated with the bottom of the mounting hole, and the inner surface of the second cavity is matched with the outer surface of the upper shell.

Advantageous effects

The utility model provides a high strength battery liquid cooling board. Compared with the prior art, the method has the following beneficial effects:

(1) the high-strength battery liquid cooling plate comprises an upper shell and a lower shell, wherein a first cavity is formed in the bottom of the upper shell, a second cavity is formed in the top of the lower shell, a first porous pipe and a second porous pipe are sequentially arranged on the top of the inner surface of the second cavity from left to right, the first porous pipe and the second porous pipe are in L shapes which are matched with each other, a first carrying arrangement hole is formed in the top of the first porous pipe, third porous pipes are arranged on the top of the inner surface of the second cavity, positioned on the left side of the first porous pipe and the right side of the second porous pipe, and a second carrying arrangement hole is formed in the top of the third porous pipe. The safety of the liquid cooling plate is improved, and because the support piece is not used for supporting, the energy density of the battery pack is improved, and the space utilization rate of the module is increased while the production cost is reduced.

(2) This high strength battery liquid cold drawing, through last casing and lower casing, first cavity has been seted up to the bottom of going up the casing, the second cavity has been seted up at the top of casing down, the shape of going up casing and casing down sets up to symmetrical type, first cavity has been seted up to the bottom of going up the casing, and the second cavity has been seted up at the top of casing down, through being equipped with two kinds of connected modes with last casing and lower casing and supplying the user to select, plug-in assembly and turn-ups formula assembly, the use is made things convenient for, the suitability of equipment has been improved.

Drawings

Fig. 1 is an exploded view of embodiment 1 of the present invention;

fig. 2 is a schematic diagram showing the separation of the upper case and the lower case in embodiment 1 of the present invention;

fig. 3 is a cross-sectional view of embodiment 1 of the present invention;

fig. 4 is a sectional view of embodiment 2 of the present invention;

fig. 5 is a cross-sectional view of an upper case and a lower case in embodiment 2 of the present invention.

In the figure: 1. an upper housing; 2. a lower housing; 3. a first cavity; 4. a second cavity; 5. a first perforated tube; 6. a second perforated tube; 7. an inlet fitting; 8. an outlet fitting; 9. a first mounting hole; 10. a third perforated tube; 11. a second mounting hole; 12. a support; 13. mounting holes; 14. a first cavity; 15. a second cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides two technical solutions:

example 1:

a high-strength battery liquid cooling plate comprises an upper shell 1 and a lower shell 2, wherein the left side and the right side of the top of the upper shell 1 are respectively provided with a plurality of mounting holes 13, the number of the mounting holes 13 is multiple, the left side and the right side of the top of the upper shell 1 are respectively provided with an inlet connector 7 and an outlet connector 8, the bottom ends of the inlet connector 7 and the outlet connector 8 penetrate through the upper shell 1, the top of the upper shell 1 and the front side of the outlet connector 8 are fixedly welded with a support 12, in the example, an I-shaped flow loop is embodied, namely, the inlet connector 7 and the outlet connector 8 are respectively arranged on the left side and the right side, but not limited to an I-shaped flow loop, the high-strength battery liquid cooling plate can be adjusted to be U-shaped flow according to requirements, namely, the inlet connector 7 and the outlet connector 8 are arranged on one side, or other loops, the bottom of the upper shell 1 is provided with a first cavity 3, the top of the lower, the top of the inner surface of the second cavity 4 is sequentially provided with a first perforated pipe 5 and a second perforated pipe 6 from left to right, the first perforated pipe 5 and the second perforated pipe 6 are in L shapes matched with each other, the top of the first perforated pipe 5 is provided with a first carrying and arranging hole 9, the bottom end of the first carrying and arranging hole 9 sequentially penetrates through the first perforated pipe 5 and the second perforated pipe 6, the top of the inner surface of the second cavity 4 is positioned at the left side of the first perforated pipe 5 and the right side of the second perforated pipe 6 and is provided with a second carrying and arranging hole 11, the perforated pipes are not limited to the first perforated pipe 5, the second perforated pipe 6 and the third perforated pipe 10 and can be randomly arranged and combined according to requirements, the tops of the first carrying and arranging hole 9 and the second carrying and arranging hole 11 are communicated with the bottom of the mounting hole 13, and the liquid cooling plate is welded after all parts are assembled, this liquid cooling plate has increased liquid cooling plate bulk strength through the connection structure of last casing 1, lower casing 2, first porous pipe 5, porous pipe 6 of second and porous pipe 10 of third, can direct bearing for this liquid cooling plate is difficult to the deformation damage because the improvement of intensity in the use, has improved the security of this liquid cooling plate, and owing to do not use support piece to do the support, battery package energy density improves, and manufacturing cost has also been reduced in the time of the space utilization of module increases. And compared with the traditional punching plate type liquid cooling plate die, the liquid cooling plate has low cost and short manufacturing period.

Example 2: the utility model provides a high strength battery liquid cold drawing, including last casing 1 and lower casing 2, the shape of going up casing 1 and casing 2 sets up to symmetrical font down, first cavity 14 has been seted up to the bottom of going up casing 1, and second cavity 15 has been seted up at casing 2's top down, the top of 15 internal surfaces of second cavity has from left to right arranged in proper order first porous pipe 5 and the porous pipe 6 of second, the L type of first porous pipe 5 and the porous pipe 6 of second shape for mutually supporting, first carrying sets up hole 9 has been seted up at the top of first porous pipe 5, the top of 15 internal surfaces of second cavity just is located the left side of first porous pipe 5 and the right side of the porous pipe 6 of second and all arranges and has third porous pipe 10, and the second has been seted up at the top of third porous pipe 10 and has been set up hole 11, integral type welding after all parts assembly accomplish. Through being equipped with two kinds of connected modes with last casing 1 and lower casing 2 and supply the user to select, plug-in assembly and turn-ups formula assembly have made things convenient for the use, have improved the being suitable for of equipment.

And those not described in detail in this specification are well within the skill of those in the art.

If the plug-in type assembly is used, the upper shell 1 is inserted into the second cavity 4, then the outer surface of the upper shell 1 is connected with the inner cavity of the second cavity 4, if the flanging type assembly is used, the upper shell 1 is corresponding to the lower shell 2, the upper shell 1 is connected with the lower shell 2, the first porous pipe 5, the second porous pipe 6 and the third porous pipe 10 are fixed in the cavity of the lower shell 2 in parallel before the connection, in order to ensure the strength and the safety, no space is left among the first porous pipe 5, the second porous pipe 6 and the third porous pipe 10, then the first porous pipe 5, the second porous pipe 6 and the third porous pipe 10 are fixed through a mounting hole 13, a first carrying arrangement hole 9 and a second carrying arrangement hole 11 through bolts or other connecting pieces, the liquid cooling plates are integrally welded after the assembly of all parts is completed, cooling liquid enters the cavity formed by the upper shell 1 and the lower shell 2 through the inlet joint 7, and the circulation is formed by the backflow through the outlet joint 8 after passing through the first perforated pipe 5, the second perforated pipe 6 and the third perforated pipe 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high strength battery liquid cooling board, includes casing (1) and casing (2) down, its characterized in that: the bottom of the upper shell (1) is provided with a first cavity (3), the top of the lower shell (2) is provided with a second cavity (4), the top of the inner surface of the second cavity (4) is sequentially provided with a first porous pipe (5) and a second porous pipe (6) from left to right, the shapes of the first porous pipe (5) and the second porous pipe (6) are L-shaped which are matched with each other, the top of the first porous pipe (5) is provided with a first carrying setting hole (9), the top of the inner surface of the second cavity (4) is provided with a third porous pipe (10) which is arranged on the left side of the first porous pipe (5) and the right side of the second porous pipe (6), and the top of the third porous pipe (10) is provided with a second carrying setting hole (11).

2. The high strength battery fluid cold plate of claim 1, wherein: the shape of going up casing (1) and casing (2) down sets up to symmetrical type of protruding, first cavity (14) have been seted up to the bottom of going up casing (1), and second cavity (15) have been seted up at the top of casing (2) down.

3. The high strength battery fluid cold plate of claim 1, wherein: go up the left and right sides at casing (1) top and be equipped with inlet joint (7) and outlet joint (8) respectively, casing (1) is all run through to the bottom of inlet joint (7) and outlet joint (8).

4. The high strength battery fluid cold plate of claim 1, wherein: go up the top of casing (1) and be located the front side welded fastening of outlet joint (8) and have support (12), and the bottom of first carrying on setting hole (9) runs through first porous pipe (5) and second porous pipe (6) in proper order.

5. The high strength battery fluid cold plate of claim 1, wherein: mounting holes (13) are formed in the left side and the right side of the top of the upper shell (1), and the number of the mounting holes (13) is set to be multiple.

6. The high strength battery fluid cold plate of claim 1, wherein: the top of the first carrying and setting hole (9) and the top of the second carrying and setting hole (11) are communicated with the bottom of the mounting hole (13), and the inner surface of the second cavity (4) is matched with the outer surface of the upper shell (1).