阅读说明：本技术 一种集成液冷系统的电池包托盘 (Battery pack tray of integrated liquid cooling system ) 是由 陈春学 吕元富 赵建才 宋天放 于 2021-08-30 设计创作，主要内容包括：本发明提供了一种集成液冷系统的电池包托盘,包括底板和液冷装置；液冷装置包括多个液冷板,多个液冷板安装在底板上表面,两个相邻液冷板之间形成用于放置电池包的间隔空腔。本发明所述的一种集成液冷系统的电池包托盘,无需设计和增加多余的液冷管支撑结构、保温结构,降低了电池包的重量、提高了液冷管的效率同时也直接降低了成本。同时这种结构也直接取代了原本模组的侧板的功能,实现了电芯到电池包的集成,进一步降低了包体的体积和重量,提升了电池包的能量密度。(The invention provides a battery pack tray integrated with a liquid cooling system, which comprises a bottom plate and a liquid cooling device, wherein the bottom plate is provided with a plurality of liquid cooling holes; the liquid cooling device comprises a plurality of liquid cooling plates, the liquid cooling plates are arranged on the upper surface of the base plate, and an interval cavity for placing the battery pack is formed between two adjacent liquid cooling plates. According to the battery pack tray integrated with the liquid cooling system, the design and the addition of redundant liquid cooling pipe supporting structures and heat insulation structures are not needed, the weight of a battery pack is reduced, the efficiency of the liquid cooling pipe is improved, and meanwhile the cost is directly reduced. Simultaneously this kind of structure has also directly replaced the function of the curb plate of original module, has realized the integration of electric core to battery package, has further reduced the volume and the weight of inclusion, has promoted the energy density of battery package.)

1. The utility model provides a battery package tray of integrated liquid cooling system which characterized in that: comprises a bottom plate (7) and a liquid cooling device;

the liquid cooling device comprises a plurality of liquid cooling plates (6), the plurality of liquid cooling plates (6) are installed on the upper surface of the base plate (7), and an interval cavity used for placing the battery pack is formed between two adjacent liquid cooling plates (6).

2. The integrated liquid cooling system battery pack tray of claim 1, wherein: the bottom plate (7) further comprises a tray frame (5), and the tray frame (5) is fixedly connected to the edge of the bottom plate (7);

a groove for placing the liquid cooling device is formed between the tray frame (5) and the bottom plate (7).

3. The integrated liquid cooling system battery pack tray of claim 2, wherein: the liquid cooling device also comprises a water separator (2), a water collector (3), a water inlet connecting pipe (4), a water outlet connecting pipe (8), a water inlet pipe and a water outlet pipe;

the water distributor (2) and the water collector (3) are arranged on the upper surface of the bottom plate (7);

the water distributor (2) comprises a main water inlet, one end of the water inlet pipe is arranged on the outer side of the tray frame (5), the other end of the water inlet pipe extends into the tray frame (5) through a through hole reserved in the tray frame (5) and is connected with the main water inlet of the water distributor, the water distributor (2) further comprises a plurality of water distribution ports, the number of the water distribution ports corresponds to the number of the liquid cooling plates (6), and the water distribution ports are communicated with the water inlets of the liquid cooling plates through water inlet connecting pipes (4);

water collector (3) includes a total delivery port, and outlet pipe one end sets up in tray frame (5) outside, and the other end passes through the through-hole of reserving on tray frame (5) and extends to in tray frame (5) and be connected with water collector total delivery port, and water collector (3) still includes a plurality of mouths that catchment, and the quantity of catchment mouth is corresponding with liquid cooling board (6) quantity, and the mouth that catchments is through water connecting pipe (8) and liquid cooling board delivery port intercommunication.

4. The integrated liquid cooling system battery pack tray of claim 3, wherein: a hollow cavity and a liquid cooling pipe are also arranged in the liquid cooling plate (6), and the liquid cooling pipe is coiled along the height direction of the hollow cavity;

one end of the liquid cooling pipe is communicated with the water inlet connecting pipe (4) through a water inlet of the liquid cooling plate, and the other end of the liquid cooling pipe is communicated with the water outlet connecting pipe (8) through a water outlet of the liquid cooling plate.

5. The integrated liquid cooling system battery pack tray of claim 1, wherein: the tray frame (5) further comprises a lifting lug (1), and the lifting lug (1) is fixedly connected to the outer side wall of the tray frame (5).

6. The integrated liquid cooling system battery pack tray of claim 5, wherein: the lifting lug (1) is provided with a plurality of lifting lugs.

Technical Field

The invention belongs to the field of liquid-cooled battery pack trays, and particularly relates to a battery pack tray integrated with a liquid cooling system.

Background

At present new energy automobile power battery package's mainstream scheme still tray and liquid cooling system are an subassembly separately, then carry out mechanical assembly again, arrange the battery module in the liquid cooling board top in at last, formed the major structure of a battery package like this, prior art's shortcoming: this kind of scheme is with high costs, and weight is big, and need fixed and limit structure, can occupy more package inner space, and the fixed risk that also has the inefficacy of liquid cold plate simultaneously.

Disclosure of Invention

In view of the above, the present invention is directed to a battery pack tray integrated with a liquid cooling system to solve the above-mentioned disadvantages.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

a battery pack tray integrated with a liquid cooling system comprises a bottom plate and a liquid cooling device;

the liquid cooling device comprises a plurality of liquid cooling plates, the liquid cooling plates are arranged on the upper surface of the base plate, and an interval cavity for placing the battery pack is formed between two adjacent liquid cooling plates.

Further, the bottom plate also comprises a tray frame which is fixedly connected with the edge of the bottom plate;

a groove for placing the liquid cooling device is formed between the tray frame and the bottom plate.

Further, the liquid cooling device also comprises a water separator, a water collector, a water inlet connecting pipe, a water outlet connecting pipe, a water inlet pipe and a water outlet pipe;

the water separator and the water collector are arranged on the upper surface of the bottom plate;

the water separator comprises a main water inlet, one end of the water inlet pipe is arranged on the outer side of the tray frame, the other end of the water inlet pipe extends into the tray frame through a through hole reserved in the tray frame and is connected with the main water inlet of the water separator, the water separator also comprises a plurality of water separation ports, the number of the water separation ports corresponds to the number of the liquid cooling plates, and the water separation ports are communicated with the water inlets of the liquid cooling plates through water inlet connecting pipes;

the water collector comprises a total water outlet, one end of the water outlet pipe is arranged outside the tray frame, the other end of the water outlet pipe extends into the tray frame through a reserved through hole in the tray frame and is connected with the total water outlet of the water collector, the water collector further comprises a plurality of water collecting ports, the number of the water collecting ports corresponds to the number of the liquid cooling plates, and the water collecting ports are communicated with the water outlet of the liquid cooling plates through water outlet connecting pipes.

Further, a hollow cavity and a liquid cooling pipe are further arranged in the liquid cooling plate, and the liquid cooling pipe is coiled along the height direction of the hollow cavity;

one end of the liquid cooling pipe is communicated with the water inlet connecting pipe through a water inlet of the liquid cooling plate, and the other end of the liquid cooling pipe is communicated with the water outlet connecting pipe through a water outlet of the liquid cooling plate.

Further, the tray frame further comprises a lifting lug, and the lifting lug is fixedly connected to the outer side wall of the tray frame.

Further, the lifting lug is provided with a plurality of.

Compared with the prior art, the battery pack tray integrated with the liquid cooling system has the following beneficial effects:

according to the battery pack tray integrated with the liquid cooling system, the design and the addition of redundant liquid cooling pipe supporting structures and heat insulation structures are not needed, the weight of a battery pack is reduced, the efficiency of the liquid cooling pipe is improved, and meanwhile the cost is directly reduced. Simultaneously this kind of structure has also directly replaced the function of the curb plate of original module, has realized the integration of electric core to battery package, has further reduced the volume and the weight of inclusion, has promoted the energy density of battery package.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is an overall schematic view of a tray according to an embodiment of the present invention.

Description of reference numerals:

1-lifting lugs; 2-a water separator; 3-a water collector; 4-water inlet pipe; 5-a tray frame; 6-liquid cooling plate; 7-a bottom plate; and 8-water outlet pipe.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, a battery pack tray of an integrated liquid cooling system includes a base plate 7 and a liquid cooling device;

the liquid cooling device comprises a plurality of liquid cooling plates 6, the liquid cooling plates 6 are arranged on the upper surface of the base plate 7, and a space cavity for placing the battery pack is formed between every two adjacent liquid cooling plates 6.

The bottom plate 7 further comprises a tray frame 5, and the tray frame 5 is welded at the edge of the bottom plate 7;

a groove for placing the liquid cooling device is formed between the tray frame 5 and the bottom plate 7.

The liquid cooling device also comprises a water separator 2, a water collector 3, a water inlet connecting pipe 4, a water outlet connecting pipe 8, a water inlet pipe and a water outlet pipe;

the water separator 2 and the water collector 3 are arranged on the upper surface of the bottom plate 7;

the water separator 2 comprises a main water inlet, one end of a water inlet pipe is arranged outside the tray frame 5, the other end of the water inlet pipe extends into the tray frame 5 through a through hole reserved in the tray frame 5 and is connected with the main water inlet of the water separator, the water separator 2 further comprises a plurality of water separating ports, the number of the water separating ports corresponds to that of the liquid cooling plates 6, and the water separating ports are communicated with the water inlets of the liquid cooling plates through water inlet connecting pipes 4;

water collector 3 includes a total delivery port, and outlet pipe one end sets up in the tray frame 5 outside, and the other end passes through the through-hole of reserving on the tray frame 5 and extends to in the tray frame 5 and be connected with the total delivery port of water collector, and water collector 3 still includes a plurality of mouths that catchment, and the quantity of catchment is corresponding with 6 quantities of liquid cooling board, and the mouth that catchments is through going out water connecting pipe 8 and liquid cooling board delivery port intercommunication.

The water distributor 2 is a four-way water inlet nozzle, and the water collector 3 is a four-way water outlet nozzle;

a hollow cavity and a liquid cooling pipe are also arranged in the liquid cooling plate 6, and the liquid cooling pipe is coiled along the height direction of the hollow cavity;

one end of the liquid cooling pipe is communicated with the water inlet connecting pipe 4 through a water inlet of the liquid cooling plate, and the other end of the liquid cooling pipe is communicated with the water outlet connecting pipe 8 through a water outlet of the liquid cooling plate.

The water inlet pipe 4 and the water outlet pipe 8 are both nylon pipes.

The tray frame 5 also comprises a lifting lug 1, and the lifting lug 1 is fixedly connected to the outer side wall of the tray frame 5;

a plurality of lifting lugs 1 are arranged;

the lifting lug 1 is used for lifting the whole tray.

Liquid cooling plate 6 in bottom plate 7 has not only played refrigerated effect, has also become the backup pad and the fixed plate of electric core in the battery package simultaneously, has replaced traditional module form, has realized the direct optimal structure to PACK from electric core. The battery cells are arranged on the tray in a stacking mode in the square direction, so that the space in the battery pack is saved to the greatest extent.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.