Bottom reinforcing bracket structure of liquid cooling plate for energy storage

Abstract

A liquid cooling plate bottom reinforcing support structure for energy storage comprises a liquid cooling plate, the liquid cooling plate comprises a substrate (100) and a flow channel plate (200) arranged below the substrate (100), a liquid cooling flow channel (201) is arranged on one side, close to the substrate (100), of the flow channel plate (200), and the liquid cooling plate bottom reinforcing support structure further comprises a bottom protection plate (300) arranged below the flow channel plate (200). An even number of hollowed-out areas (301) are arranged on the bottom protection plate (300), and the even number of hollowed-out areas are oppositely arranged in pairs; a plurality of supporting convex hulls (3021) are evenly arranged on the two edges of the longitudinal beams (302) of the two adjacent hollowed-out areas (301) in the length direction of the bottom protection plate (300), and a plurality of grooves (3022) are formed in the middles of the longitudinal beams (302) in the width direction of the bottom protection plate (300). According to the utility model, the gravity load applied by the battery module on the substrate is transmitted to the grooves, so that the liquid cooling plate is effectively prevented from plastic deformation when bearing larger force, and the reliability of a battery system is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a battery technical field, specifically, it is a kind of liquid cooling plate bottom reinforcement support structure for energy storage. BACKGROUND

[0002] At present, the ideal scheme of battery pack thermal management is to use liquid cooling mode to heat and cool battery pack, and its heating and cooling effect is much better than traditional natural cooling and air cooling mode. One of the common liquid cooling modes is the liquid cooling plate scheme based on cooling liquid, which is characterized by multiple series and parallel channels in the plate, and inlet and outlet ends at both ends to realize the circulation of water.

[0003] In the prior art, the liquid cooling plate includes a liquid cooling plate and a mounting bracket connected, and the battery module is connected with the mounting bracket by fasteners. Since the liquid cooling plate is relatively thin, it cannot bear the weight of the battery module, causing the liquid cooling plate to be subjected to a large force and to plastically deform, reducing the reliability of the battery system.

[0004] Therefore, the prior art needs to be improved and improved. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of liquid cooling plate bottom reinforcement support structure for energy storage to solve the above problems in the prior art.

[0006] To achieve the above object, the technical scheme adopted by the utility model is:

[0007] A kind of liquid cooling plate bottom reinforcement support structure for energy storage, including a liquid cooling plate, the liquid cooling plate includes a substrate and a flow channel plate arranged below the substrate, the flow channel plate is close to the side of the substrate and is provided with liquid cooling flow channel, further including a bottom guard plate arranged below the flow channel plate, the bottom guard plate is provided with even number of hollow areas, and the even number of hollow areas are oppositely arranged in pairs;In the length direction of the bottom guard plate, there are several support bosses on the two edges of the longitudinal beam of the adjacent two hollow areas, and the middle part of the longitudinal beam is provided with several grooves along the width direction of the bottom guard plate.

[0008] As a further scheme of the utility model, the support boss corresponds to the planar region outside the liquid cooling flow channel of the flow channel plate.

[0009] As a further scheme of the utility model, the substrate and the flow channel plate are integrally welded by brazing.

[0010] As a further scheme of the utility model, the flow channel plate is coated with a heat preservation coating corresponding to the bottom surface of the hollow area.

[0011] As a further scheme of the utility model, the grooves are long strip-shaped.

[0012] As a further embodiment of this utility model, two side beams are arranged side by side along the length of the bottom guard plate below the flow channel plate.

[0013] As a further embodiment of this utility model, an inclined support surface is provided on the inner side of the side beam, which is adapted to the inclined surface at the end of the longitudinal beam.

[0014] As a further embodiment of this invention, structural adhesive is provided between the inclined support surface and the inclined surface.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] Due to the above structural design, the flow channel plate under the substrate is also provided with a bottom guard plate. There are several supporting protrusions evenly distributed on both edges of the longitudinal beam in the length direction of the bottom guard plate. Several grooves are provided in the middle of the longitudinal beam along the width direction of the bottom guard plate. These grooves are used to transfer the gravity load applied by the battery module on the substrate to the grooves, effectively preventing the liquid cooling plate from undergoing plastic deformation when subjected to large forces, thereby improving the reliability of the battery system. Attached Figure Description

[0017] Appendix Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0018] Appendix Figure 2 This is an exploded structural diagram of an embodiment of the present utility model;

[0019] Appendix Figure 3 This is a schematic diagram of the bottom protective plate in an embodiment of the present utility model;

[0020] Appendix Figure 4 For the appendix Figure 3 Enlarged view of part A;

[0021] Appendix Figure 5 This is a schematic diagram of the side beam structure in an embodiment of the present invention;

[0022] Appendix Figure 6 This is a side view of an embodiment of the present utility model.

[0023] The labels in the diagram are as follows:

[0024] 100-Baseboard, 200-Flow channel plate, 300-Bottom guard plate, 400-Side beam, 500-Battery module;

[0025] 201 - Liquid cooling channel;

[0026] 301 - Hollowed-out area; 302 - Longitudinal beam;

[0027] 3021 - Supporting convex hull, 3022 - Groove;

[0028] 401 - Inclined support surface. DETAILED DESCRIPTION

[0029] The utility model will be explained further in detail below by combining with the drawings:

[0030] The embodiments described with reference to the drawings are exemplary and are intended to explain the present application and cannot be understood as a limitation of the present application. In the description of the present application, it is understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first" and "second" are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features.

[0031] In the description of the present application, the meaning of "several" and "multiple" is two or more than two, unless otherwise explicitly specified. In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical height of the first feature above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include the vertical height of the first feature above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature. EMBODIMENT

[0033] AsFigures 1-6 As shown, this application discloses a bottom reinforcement support structure for a liquid-cooled plate used in energy storage, comprising a liquid-cooled plate, the liquid-cooled plate including a substrate 100 on which a battery module 500 is disposed; and a flow channel plate 200 disposed below the substrate 100, wherein a liquid-cooled flow channel 201 is disposed on the side of the flow channel plate 200 near the substrate, the liquid-cooled flow channel being generally U-shaped; and a bottom protective plate 300 disposed below the flow channel plate 200, wherein six hollow areas 301 are disposed on the bottom protective plate 300, the six hollow areas 301 being arranged in pairs opposite each other; On the two edges of the longitudinal beams 302 of the two adjacent hollow areas 301 in the length direction of the bottom protective plate 300, there are a number of supporting protrusions 3021 evenly distributed. The supporting protrusions 3021 correspond to the planar area outside the liquid cooling channel of the flow channel plate 200. The middle part of the longitudinal beam 302 is provided with a number of grooves 3022 along the width direction of the bottom protective plate. Through the above structural design, the gravity load applied by the battery module 500 on the substrate 100 is transferred to the grooves 3022, which effectively prevents the liquid cooling plate from undergoing plastic deformation when subjected to large forces, thereby improving the reliability of the battery system.

[0034] As a preferred embodiment, the groove 3022 is elongated, which can increase the structural strength of the bottom protective plate.

[0035] Specifically, the substrate 100 and the flow channel plate 200 are brazed together to achieve good airtightness and watertightness between the substrate 100 and the flow channel plate 200.

[0036] As a preferred embodiment, the flow channel plate 200 is coated with a polyurethane insulation coating on the bottom surface corresponding to the hollow area 301. Since the polyurethane insulation coating can provide good heat insulation effect, it can prevent the surface condensation phenomenon that may occur when the external ambient temperature is high when the flow channel plate is transporting low temperature medium, so as to protect the flow channel plate from moisture damage.

[0037] Specifically, two side beams 400 are arranged side by side along the length of the bottom protective plate below the flow channel plate 200. An inclined support surface 401 is provided on the inner side of the side beam 400. The inclined support surface 401 is adapted to the inclined surface at the end of the longitudinal beam 302. Through the above structural design, the load borne by both sides of the liquid cooling plate can be first transferred to the bottom protective plate 300, and then transferred to the side beam 400 through the matching inclined support surface and inclined surface.

[0038] As a preferred embodiment, structural adhesive is provided between the inclined support surface 401 and the inclined surface, so that the inclined support surface and the inclined surface can achieve seamless contact.

[0039] In conclusion, the utility model discloses the structure design above, solve the deficiency in the prior art, with reasonable in structure, life scene, safety and reliability etc.

[0040] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An energy storage liquid cooling plate bottom reinforcement support structure, comprising a liquid cooling plate, the liquid cooling plate comprising a base plate (100) and a flow channel plate (200) arranged below the base plate (100), the flow channel plate (200) being provided with a liquid cooling flow channel (201) near one side of the base plate (100), characterized in that: Further comprising a bottom guard plate (300) arranged below the flow channel plate (200), the bottom guard plate (300) is provided with an even number of hollowed-out areas (301), and the even number of hollowed-out areas (301) are arranged in pairs opposite to each other; on the two edges of the longitudinal beam (302) of the adjacent two hollowed-out areas (301) in the length direction of the bottom guard plate (300), there are evenly arranged a plurality of support convexes (3021), and a plurality of grooves (3022) are arranged in the middle of the longitudinal beam (302) along the width direction of the bottom guard plate (300).

2. The liquid cooling plate bottom reinforcement bracket structure for energy storage according to claim 1, characterized in that: The support convexes (3021) correspond to the planar areas outside the liquid cooling flow channels of the flow channel plate (200).

3. The energy storage liquid cold plate bottom reinforcement bracket structure of claim 2, wherein: The substrate (100) and the flow channel plate (200) are integrally connected by brazing.

4. The energy storage liquid cooling plate bottom reinforcement bracket structure according to claim 3, characterized in that: The bottom surface of the flow channel plate (200) corresponding to the hollowed-out area (301) is coated with a heat preservation coating.

5. The energy storage liquid cold plate bottom reinforcement bracket structure of claim 4, wherein: The grooves (3022) are in the shape of long strips.

6. The energy storage liquid cold plate bottom reinforcement bracket structure of claim 5, wherein: Two side beams (400) are arranged side by side below the flow channel plate (200) along the length of the bottom guard plate (300).

7. The energy storage liquid cold plate bottom reinforcement bracket structure of claim 6, wherein: The inner side of the side beam (400) is provided with an inclined support surface (401) which is matched with the inclined surface of the end of the longitudinal beam. 8.The liquid cooling plate bottom reinforcement support structure for energy storage according to claim 7, characterized in that: A structural adhesive is arranged between the inclined support surface (401) and the inclined surface.

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