CN217485576U

CN217485576U - Side liquid cooling square module of integrated water course of box

Info

Publication number: CN217485576U
Application number: CN202221322487.1U
Authority: CN
Inventors: 刘巍; 李远华
Original assignee: Chuneng New Energy Co Ltd
Current assignee: Chuneng New Energy Co Ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-23
Anticipated expiration: 2032-05-30

Abstract

The utility model relates to a square module of side liquid cooling of box integrated water course, including battery module, module fixed beam, box crossbeam, box longeron and box bottom plate, box longeron one end is equipped with the liquid cooling water injection well choke, and the other end is equipped with the liquid cooling end cap, and the inside is equipped with the longeron water course; the inside crossbeam water course that is equipped with of box crossbeam, the crossbeam water course passes through longeron waterway mouth intercommunication with the longeron water course, and the crossbeam water course passes through the liquid cooling board intercommunication in module liquid cooling water injection well choke and the battery module. The liquid cooling plate is arranged on the battery module, so that the liquid cooling effect can be effectively enhanced; the liquid cooling board communicates with the module liquid cooling water injection well choke on the box crossbeam, and the water course of box crossbeam and the water course intercommunication of box longeron use the inside cavity of box roof beam as the runner and replace the plastic solution cold tube, are of value to liquid cooling system work when electric core takes place the thermal runaway, last the heat dissipation for electric core, reinforcing thermal safety nature.

Description

Side liquid cooling square module of integrated water course of box

Technical Field

The utility model relates to a power battery module especially relates to a square module of side liquid cooling of box integrated water course.

Background

At present, the battery pack internal module mostly adopts a steel band bundling form, and the liquid cooling plate mostly adopts a stamping brazing plate to be flatly laid at the bottom of the box body, or adopts integrated liquid cooling at the bottom of the box body.

The module uses a steel belt bundling mode, the size requirement and the strength requirement of the steel belt are higher in the manufacturing engineering, and the condition that the steel belt is loose or the steel belt cannot be sleeved in the module is easily caused; the bottom of the box body cannot bear the weight of the box body due to the adoption of the stamping brazing plate, and the integrated liquid cooling at the bottom of the box body is often limited by factors such as the whole package height and the like; the mode that adopts plastic liquid cooling union coupling can lead to liquid cooling pipe to be burnt out when thermal runaway, and the unable liquid cooling of electric core further aggravates thermal runaway.

SUMMERY OF THE UTILITY MODEL

For solving the above problem, the utility model provides a square module of side liquid cooling of box integrated water course can the effective control rubber coating thickness.

The utility model adopts the technical proposal that: the utility model provides a square module of side liquid cooling of integrated water course of box, includes battery module, module fixed beam, box crossbeam, box longeron and box bottom plate, its characterized in that: the battery module is fixed on a module fixing beam through a bolt, the module fixing beam is fixed with a box body cross beam, the box body cross beam is fixedly connected with a box body longitudinal beam, and the box body longitudinal beam is fixedly connected with a box body bottom plate;

a liquid cooling water nozzle is arranged at one end of the box body longitudinal beam, a liquid cooling plug is arranged at the other end of the box body longitudinal beam, and a longitudinal beam water channel is arranged in the box body longitudinal beam; the battery module is characterized in that a cross beam water channel is arranged in the box body cross beam, the cross beam water channel is communicated with the longitudinal beam water channel through a longitudinal beam water channel opening, and the cross beam water channel is communicated with a liquid cooling plate in the battery module through a module liquid cooling water nozzle.

Preferably, the battery module comprises battery cells, module end plates arranged at two ends and liquid cooling plates arranged at two sides, the battery cells are arranged between the module end plates at two ends, and heat insulation pads are arranged between large surfaces of adjacent battery cells; two sides of the heat insulation pad are fixedly connected with the large surface of the battery cell, and the liquid cooling plate is fixedly bonded with the side surface of the battery cell through heat conduction structural adhesive.

Preferably, the liquid cooling plate is provided with a liquid cooling plate plug, and the liquid cooling plate plug and the liquid cooling plate are welded together by friction stir welding or brazing.

Preferably, the module liquid cooling water nozzle is fixed on the box body cross beam in a welded mode.

Furthermore, a sealing ring is arranged on the module liquid cooling water nozzle, so that the sealing performance of the liquid cooling system is guaranteed.

Preferably, the module end plate and the battery core are fixed together through a double-sided adhesive tape.

The utility model discloses the beneficial effect who gains is: the liquid cooling plate is arranged on the battery module, so that the liquid cooling effect can be effectively enhanced; the liquid cooling board communicates with the module liquid cooling water injection well choke on the box crossbeam, and the water course of box crossbeam and the water course intercommunication of box longeron use the inside cavity of box roof beam as the runner and replace the plastic solution cold tube, are of value to liquid cooling system work when electric core takes place the thermal runaway, last the heat dissipation for electric core, reinforcing thermal safety nature.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a coolant circulation diagram;

wherein: 001. a battery module; 002. a box body longitudinal beam; 003. a module fixing beam; 004. a module liquid cooling water nozzle; 005. a box body cross beam; 006. a water channel; 007. a liquid cooling water nozzle; 008. a longitudinal beam water channel; 009. a box body bottom plate; 010. a box body longitudinal beam base body; 011. liquid cooling plugs; 012. a module end plate; 013. an electric core; 014. a heat insulating pad; 015. a liquid-cooled plate; 018-longeron water crossing.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the side liquid cooling square module of the box integrated water channel of the present invention comprises a battery module 001, a module fixing beam 003, a box beam 005, a box longitudinal beam 002 and a box bottom plate 009, wherein bolt through holes are formed in module end plates 012 at two ends of the battery module 001, bolts are used for fixing the battery module 001 on the module fixing beam 003 through the bolt through holes, the module fixing beam 003 is welded with the box beam 005, and the box longitudinal beam base 010 of the box longitudinal beam 005 and the box longitudinal beam 002 are connected together by welding or riveting, screwing and the like; the box longitudinal beam base body 010 and the box bottom plate 009 are welded together by friction stir welding.

Referring to fig. 2-3, a liquid cooling water nozzle 007 is arranged at one end of a box body longitudinal beam 002, a liquid cooling plug 011 is arranged at the other end of the box body longitudinal beam 002, and a longitudinal beam water channel 008 is arranged inside the box body longitudinal beam 002; the inside crossbeam water course 006 that is equipped with of box crossbeam 005, crossbeam water course 006 passes through longeron water course 018 intercommunication with longeron water course 008, and crossbeam water course 006 passes through the liquid cooling board 015 intercommunication in module liquid cooling water injection well choke 004 and the battery module 001.

The cooling liquid flows into the longitudinal beam water channels 008 through the liquid cooling water nozzles 007 on the box longitudinal beams 002, then flows into the cross beam water channels 006 of the box cross beam 005 through the longitudinal beam water channel 018, and then flows into the liquid cooling plate 015 through the module liquid cooling water nozzles 004; after liquid cooling board 015 accomplishes the heat transfer, in the crossbeam water course 006 from the other end flowed out longeron water course 008, liquid cooling water injection well choke 007 on the box longeron 002 of back through the other end flowed out, accomplished the circulation.

Here, it should be noted that the description of the above technical solutions is exemplary, the present specification may be embodied in different forms, and should not be construed as being limited to the technical solutions set forth herein. Rather, these descriptions are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the technical solution of the present invention is limited only by the scope of the claims.

The shapes, sizes, ratios, angles, and numbers disclosed to describe aspects of the specification and claims are examples only, and thus, the specification and claims are not limited to the details shown. In the following description, when a detailed description of related known functions or configurations is determined to unnecessarily obscure the focus of the present specification and claims, the detailed description will be omitted.

Where the terms "comprising", "having" and "including" are used in this specification, there may be another part or parts unless otherwise stated, and the terms used may generally be in the singular but may also be in the plural.

It should be noted that although the terms "first," "second," "top," "bottom," "one side," "another side," "one end," "another end," and the like may be present and used in this specification to describe various components, these components and parts should not be limited by these terms. These terms are only used to distinguish one element or section from another element or section. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with the top and bottom elements being interchangeable or switchable with one another, where appropriate, without departing from the scope of the present description; the components at one end and the other end may be of the same or different properties to each other.

In describing positional relationships, for example, when positional sequences are described as being "on.. above", "over.. below", "below", and "next", unless such words or terms are used as "exactly" or "directly", they may include cases where there is no contact or contact therebetween. If a first element is referred to as being "on" a second element, that does not mean that the first element must be above the second element in the figures. The upper and lower portions of the member will change depending on the angle of view and the change in orientation. Thus, in the drawings or in actual construction, if reference is made to a first element being "on" a second element, this can include the case where the first element is "under" the second element and the case where the first element is "over" the second element. In describing temporal relationships, unless "exactly" or "directly" is used, the description of "after", "subsequently", and "before" may include instances where there is no discontinuity between steps. The features of the various embodiments of the present invention may be partially or fully combined or spliced with each other and may be implemented in a variety of different configurations as would be well understood by one of ordinary skill in the art. Embodiments of the present invention may be performed independently of each other, or may be performed together in an interdependent relationship.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modifications, equivalent variations and modifications made to the above embodiments according to the technical essence of the present invention should be considered to fall within the scope of the present invention.

Claims

1. The utility model provides a square module of side liquid cooling of integrated water course of box, includes battery module, module fixed beam, box crossbeam, box longeron and box bottom plate, its characterized in that: the battery module is fixed on a module fixing beam through a bolt, the module fixing beam is fixed with a box body cross beam, the box body cross beam is fixedly connected with a box body longitudinal beam, and the box body longitudinal beam is fixedly connected with a box body bottom plate;

2. The box of claim 1, wherein the side of the integrated waterway of the box is liquid-cooled by a square module, the square module comprising: the battery module comprises an electric core, module end plates arranged at two ends and liquid cooling plates arranged at two sides, the electric core is arranged between the module end plates at two ends, and a heat insulation pad is arranged between the large surfaces of the adjacent electric cores; two sides of the heat insulation pad are fixedly connected with the large surface of the battery cell, and the liquid cooling plate is fixedly bonded with the side surface of the battery cell through heat conduction structural adhesive.

3. The box of claim 1, wherein the side of the integrated waterway of the box is liquid-cooled by a square module, the square module comprising: the liquid cooling plate is provided with a liquid cooling plate plug, and the liquid cooling plate plug and the liquid cooling plate are welded together by friction stir welding or brazing.

4. The box of claim 1, wherein the side of the integrated waterway of the box is liquid-cooled by a square module, the square module comprising: the module liquid cooling water nozzle is fixed on the box body cross beam in a welded mode.

5. The square side-fluid-cooled module of the integrated waterway of the box body as recited in claim 4, further comprising: and a sealing ring is arranged on the module liquid cooling water nozzle.

6. The box of claim 2, wherein the side of the integrated waterway of the box is liquid-cooled by a square module, the square module comprising: the module end plate is fixed with the battery cell through double faced adhesive tape.